Mercurial > archived > louis > epitech > mq > rathaxes
annotate rathaxes_sample_e1000_rewrite_device_dependent_code.patch @ 138:6527e078252c
Wip
| author | Louis Opter <kalessin@kalessin.fr> |
|---|---|
| date | Sun, 19 Jan 2014 13:45:30 -0800 |
| parents | 8bbdb488f6fe |
| children | ab3a2aa22f95 |
| rev | line source |
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1 # HG changeset patch |
| 138 | 2 # Parent 06f2b107580ea4f01d8e9333161d1e1b5f0de759 |
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3 rathaxes: rewrite/refactor all the e1000 device dependent code |
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4 |
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5 diff --git a/notes.txt b/notes.txt |
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6 new file mode 100644 |
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7 --- /dev/null |
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8 +++ b/notes.txt |
| 138 | 9 @@ -0,0 +1,52 @@ |
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10 +Remarks for David & Lionel: |
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11 + |
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12 +- Too much changes to not start over; |
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13 +- Lack of methods is extremely annoying and requires a lot of workarounds (e.g: |
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14 + see the register read/write/set/unset methods on e1000::Context); |
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15 +- I'm using a pointcut inside the ethernet context "decl data_types" to inject |
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16 + my hardware context; it's impossible to get it back without hardcoding stuff, |
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17 + because the ethernet subsystem isn't aware of the type of the field (so I |
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18 + can't write an attribute). Being able to just inject a type (instead of a |
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19 + whole structure field) might not be the best solution but would solve this |
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20 + issue/use case; |
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21 +- Can I use the same name for a pointcut and a sequence (e.g: Ethernet::send |
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22 + bot a sequence name and a pointcut same thing for the interrupt handler); |
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23 +- Lack of support for circular dependencies make some code annoying or |
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24 + incorrect (circular dependencies between abstract and concrete types via the |
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25 + attribute or circular dependencies between the rings and the hardware |
| 133 | 26 + context); |
| 27 +- It would be really cool to passthrough the comments; | |
| 28 +- Not being able to use a Rathaxes type in the attributes is really annoying | |
| 29 + and forces me to hardcode a lot of stuff; | |
| 30 +- Pointcuts are scoped by subsystems which is kinda weird because different | |
| 31 + subsystems are going to share the same pointcuts (i.e: the PCI and USB | |
| 32 + susystem are going to expose the same pointcuts that can be used by the | |
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33 + Ethernet subsystem); |
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34 +- The compiler adds a & when I try to expand e1000::Context.io_addr regardless |
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35 + of whether the attribute is declared as Builtin::symbol.ref or .scalar. |
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36 + |
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37 +Todo/Totry: |
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38 + |
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39 +- Use the rtx_ether_ctx attribute on AbstractDevice to initialize Device |
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40 + objects in ethernet.bl; |
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41 +- Worry about the code being executed concurrently, e.g: what happens if the |
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42 + interrupt handler is called right before we disable it in the close path? |
| 133 | 43 +- Why the DMA sequences are taking an AbstractDMAHandle instead of a DMAHandle? |
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44 +- Right now the Ethernet subsystem hooks into the PCI subsystem via the |
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45 + Ethernet::init sequence, maybe the content of this sequence should be moved |
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46 + under the Ethernet::Device type definition (maybe we could solve the |
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47 + free_netdev call in case of failure at the same time); |
| 138 | 48 +- Likewise sequences in the PCI subsystem could be moved to the PCI::Device |
| 49 + type definition; | |
| 50 +- PCI::Device.device should be PCI::Device.k_device; | |
| 51 +- The Ethernet's chunk for PCI::pci_remove_hook should probably call cleanup | |
| 52 + functions from the Context and the Rings, unless the kernel alway calls | |
| 53 + rtx_ethernet_close first automatically. | |
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54 + |
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55 +Questions: |
| 133 | 56 + |
| 57 +Compiler bugs: | |
| 58 + | |
| 59 +- Trying to expand a type that doesn't exists crashes the compiler instead of | |
| 60 + displaying something more useful (took me 15 minutes to figure out that I | |
| 61 + typed 3 colons instead of 2 in a placeholder). | |
| 62 diff --git a/rathaxes/compiler/passes/back/rtxIntrospect.inc.cws b/rathaxes/compiler/passes/back/rtxIntrospect.inc.cws | |
| 63 --- a/rathaxes/compiler/passes/back/rtxIntrospect.inc.cws | |
| 64 +++ b/rathaxes/compiler/passes/back/rtxIntrospect.inc.cws | |
| 65 @@ -890,6 +890,8 @@ | |
| 66 local to_remove; | |
| 67 foreach placeHolder in local_node.body.compile | |
| 68 { | |
| 69 + if (!placeHolder.node.body.type) | |
| 134 | 70 + traceLine(RED + "BUG: placeHolder.node.body.type is missing in rtxIntrospect_walk<\"__rtx_chunk__\">, placeHolder = " + toString(placeHolder) + DEFAULT_COLOR); |
| 133 | 71 if (rtxIntrospect_InferPlaceHolderTypes<placeHolder.node.body.type>(placeHolder.node.body, local_node) == false) |
| 72 { | |
| 73 pushItem to_remove; | |
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74 diff --git a/rathaxes/samples/e1000/CMakeLists.txt b/rathaxes/samples/e1000/CMakeLists.txt |
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75 --- a/rathaxes/samples/e1000/CMakeLists.txt |
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76 +++ b/rathaxes/samples/e1000/CMakeLists.txt |
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77 @@ -17,9 +17,9 @@ |
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78 dma.blt |
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79 pci.blt |
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80 socket.blt |
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81 - e1000.blt |
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82 - ethernet.blt) |
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83 + ethernet.blt |
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84 + e1000.blt) |
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85 |
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86 -IF (LINUX_KBUILD_DIR) |
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87 - ADD_RATHAXES_LKM(e1000 e1000_src) |
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88 -ENDIF (LINUX_KBUILD_DIR) |
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89 +#IF (LINUX_KBUILD_DIR) |
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90 +# ADD_RATHAXES_LKM(e1000 e1000_src) |
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91 +#ENDIF (LINUX_KBUILD_DIR) |
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92 diff --git a/rathaxes/samples/e1000/e1000.blt b/rathaxes/samples/e1000/e1000.blt |
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93 --- a/rathaxes/samples/e1000/e1000.blt |
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94 +++ b/rathaxes/samples/e1000/e1000.blt |
| 133 | 95 @@ -1,564 +1,8 @@ |
| 96 -with e1000, Ethernet, Socket, DMA, PCI, LKM, Log, Builtin | |
| 97 +with e1000, Ethernet, Socket, Device, DMA, PCI, LKM, Log, Builtin | |
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98 { |
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99 - template type e1000::RxDescriptor() |
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100 + template type e1000::Register() |
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101 { |
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102 - decl data_types() |
| 133 | 103 - { |
| 104 - __le64 buff_addr; | |
| 105 - __le16 length; | |
| 106 - __le16 csum; | |
| 107 - unsigned char status; | |
| 108 - unsigned char errors; | |
| 109 - __le16 special; | |
| 110 - } | |
| 111 - | |
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112 - chunk LKM::includes() |
| 133 | 113 - { |
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114 - #include <linux/types.h> |
| 133 | 115 - } |
| 116 - | |
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117 - method init() |
| 133 | 118 - { |
| 119 - } | |
| 120 - | |
| 121 - map | |
| 122 - { | |
| 123 - } | |
| 124 - } | |
| 125 - | |
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126 - /* |
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127 - * This is a generic tx descriptor for the e1000. When you use TCP |
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128 - * Segmentation Offload (TSO) the hardware actually uses two types of |
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129 - * tx descriptors in its tx ring: |
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130 - * - context descriptors: this descriptor doesn't actually point to data to |
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131 - * send but initialize the offloading engine for the data descriptor that |
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132 - * follow; |
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133 - * - data descriptors: this descriptor points to data from the skbuffs. |
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134 - */ |
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135 - template type e1000::TxDescriptor() |
| 133 | 136 - { |
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137 - decl data_types() |
| 133 | 138 - { |
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139 - __le64 buff_addr; |
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140 - union |
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141 - { |
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142 - __le32 data; |
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143 - struct |
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144 - { |
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145 - __le16 length; |
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146 - unsigned char csum_offset; /* CSO */ |
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147 - unsigned char cmd; |
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148 - } fields; |
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149 - } lower; |
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150 - union |
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151 - { |
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152 - __le32 data; |
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153 - struct |
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154 - { |
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155 - unsigned char status; |
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156 - unsigned char csum_start; /* CSS */ |
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157 - __le16 special; |
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158 - } fields; |
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159 - } upper; |
| 133 | 160 - } |
| 161 - | |
|
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162 - method init() |
| 133 | 163 - { |
| 164 - } | |
| 165 - | |
| 166 - map | |
| 167 - { | |
| 168 - } | |
| 169 - } | |
| 170 - | |
|
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171 - /* |
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172 - * Ring of e1000::RxDescriptors and their corresponding skbuffs. |
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173 - * |
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174 - * - size: total size of the ring in bytes. |
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175 - * - base: address of the ring (we can't use the typedef here until we get |
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176 - * CNorm unstrict); |
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177 - * - dma_base: (physical) address of the ring where the device can access |
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178 - * the different descriptors; |
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179 - * - skbuffs: array of the skbuffs and their dma (physical) address |
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180 - * associated with each descriptor. |
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181 - */ |
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182 - template type e1000::RxRing() |
| 133 | 183 - { |
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184 - decl data_types() |
| 133 | 185 - { |
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186 - unsigned int size; |
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187 - ${e1000::RxDescriptor.ref} base; |
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188 - dma_addr_t dma_base; |
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189 - ${Socket::SKBuff} skbuffs[${config.rx_ring_size}]; |
| 133 | 190 - } |
| 191 - | |
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192 - method init() |
| 133 | 193 - { |
| 194 - } | |
| 195 - | |
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196 - chunk Ethernet::adapter_init_rx(Ethernet::Device rtx_ether_ctx) |
| 133 | 197 - { |
| 198 - { | |
| 199 - ${e1000::Context.ref} hw_ctx = &${rtx_ether_ctx}->hw_ctx; | |
| 200 - | |
| 201 - /* | |
| 202 - * Receive initialization (section 14.4): | |
| 203 - * | |
| 204 - * 1. Program the receive address, in RAL/RAH; | |
| 205 - * 2. Initialize the Multicast Table Array; | |
| 206 - * 3. Program the interrupt mask register (done in | |
| 207 - * e1000::activate_device_interruption); | |
| 208 - * 4. Allocate the receive descriptor ring and map it to make it | |
| 209 - * accessible by the device; | |
| 210 - * 5. Write the start address of the ring in RDBAL/RDBAH and set | |
| 211 - * RDLEN (Receive Descriptor Length) to the size of the ring; | |
| 212 - * 6. Set the RDH/RDT (Receive Descriptor Head/Tail) indexes to the | |
| 213 - * beginning and end of the ring; | |
| 214 - * 7. Make sure that RCTL.BSIZE and .BSEX are at 0 to configure the | |
| 215 - * receive buffer size to 2048 bytes (e1000::rx_buffer_len). | |
| 216 - * 8. Set RCTL.EN to enable the receiver. | |
| 217 - * | |
| 218 - * The ugly casts here are caused by the lack of CNorm unstrict. | |
| 219 - */ | |
| 220 - | |
| 221 - int i; | |
| 222 - | |
| 223 - /* 1. Program the receive address */ | |
| 224 - | |
| 225 - /* (We should use uint{32,16}_t but CNorm doesn't know them yet) */ | |
| 226 - rtx_e1000_register_write32(hw_ctx, E1000_RAL, | |
| 227 - *(unsigned int *)(${rtx_ether_ctx.dev_addr})); | |
| 228 - /* | |
| 229 - * The 16 upper bits of RAH also store the AS bits (which should be | |
| 230 - * 0) and the AV bit (should be 1 to set the address as valid). | |
| 231 - */ | |
| 232 - rtx_e1000_register_write32(hw_ctx, E1000_RAH, | |
| 233 - *(unsigned short *)(&${rtx_ether_ctx.dev_addr}[4])); | |
| 234 - rtx_e1000_register_set32(hw_ctx, E1000_RAH, E1000_RAH_AV); | |
| 235 - | |
| 236 - ${Log::info("adapter_init_rx: receive address programmed")}; | |
| 237 - | |
| 238 - /* 2. Initialize the MTA */ | |
| 239 - | |
| 240 - for (i = 0; i != 128; ++i) | |
| 241 - rtx_e1000_register_write32(hw_ctx, E1000_MTA + i * 4, 0); | |
| 242 - | |
| 243 - ${Log::info("adapter_init_rx: MTA init done")}; | |
| 244 - | |
| 245 - /* 4. Setup the receive descriptor ring */ | |
| 246 - | |
| 247 - /* Allocate the descriptors */ | |
| 248 - hw_ctx->rx_ring.size = ${config.rx_ring_size} * sizeof(*hw_ctx->rx_ring.base); | |
| 249 - hw_ctx->rx_ring.size = ALIGN(hw_ctx->rx_ring.size, 4096); | |
| 250 - hw_ctx->rx_ring.base = ${DMA::alloc_coherent( | |
| 251 - rtx_ether_ctx.device, | |
| 252 - local.hw_ctx.rx_ring.size, | |
| 253 - local.hw_ctx.rx_ring.dma_base.dma_handle | |
| 254 - )}; | |
| 255 - if (!hw_ctx->rx_ring.base) | |
| 256 - { | |
| 257 - ${Log::info("adapter_init_rx: cannot allocate the descriptors for the rx ring")}; | |
| 258 - goto err_rx_ring_alloc; | |
| 259 - } | |
| 260 - | |
| 261 - ${Log::info("adapter_init_rx: rx descriptors allocated")}; | |
| 262 - | |
| 263 - /* | |
| 264 - * Allocate the skbuffs, map them for DMA, and write their address | |
| 265 - * in the corresponding descriptor. | |
| 266 - */ | |
|
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267 - for (i = 0; i != ${config.rx_ring_size}; ++i) |
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268 - { |
| 133 | 269 - ${Socket::SKBuff.ref} skbuff = &hw_ctx->rx_ring.skbuffs[i]; |
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270 - // XXX #46: ${rtx_ether_ctx.init_rx_skbuff(local.skbuff, config.rx_buffer_len)}; |
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271 - if (rtx_ethernet_init_rx_skbuff(${local.skbuff}, ${config.rx_buffer_len})) |
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272 - { |
| 133 | 273 - ${Log::info("adapter_init_rx: cannot allocate a skbuff for the rx ring")}; |
| 274 - goto err_skbuffs_alloc; | |
| 275 - } | |
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276 - // XXX #46: ${local.skbuff.map_from(rtx_ether_ctx.device)}; |
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277 - if (rtx_socket_skbuff_map(${local.skbuff}, ${rtx_ether_ctx.device}, RTX_DMA_FROM_DEVICE)) |
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278 - { |
| 133 | 279 - ${Log::info("adapter_init_rx: cannot dma-map a skbuff for the rx ring")}; |
| 280 - goto err_skbuffs_map; | |
| 281 - } | |
| 282 - hw_ctx->rx_ring.base[i].buff_addr = cpu_to_le64(${local.skbuff.sk_buff}); | |
| 283 - } | |
| 284 - | |
| 285 - // ${Log::info("adapter_init_rx: skbuffs allocated}; | |
| 286 - pr_info("rtx_e1k: adapter_init_rx: skbuffs allocated, headlen=%d", skb_headlen((struct sk_buff *)hw_ctx->rx_ring.skbuffs[i - 1].skbuff)); | |
| 287 - | |
| 288 - /* 5. Save the emplacement and the size of the ring in RDBA/RDLEN */ | |
| 289 - rtx_e1000_register_write32(hw_ctx, E1000_RDBAL, hw_ctx->rx_ring.dma_base & 0xffffffff); | |
| 290 - rtx_e1000_register_write32(hw_ctx, E1000_RDBAH, hw_ctx->rx_ring.dma_base >> 32); | |
| 291 - rtx_e1000_register_write32(hw_ctx, E1000_RDLEN, hw_ctx->rx_ring.size); | |
| 292 - | |
| 293 - /* 6. Setup RDH/RDT */ | |
| 294 - rtx_e1000_register_write32(hw_ctx, E1000_RDH, 0); | |
| 295 - rtx_e1000_register_write32(hw_ctx, E1000_RDT, ${config.rx_ring_size} - 1); | |
| 296 - | |
| 297 - /* 7. Configure the buffer size, */ | |
| 298 - rtx_e1000_register_set32(hw_ctx, E1000_RCTL, E1000_RCTL_BSIZE_${config.rx_buffer_len}); | |
| 299 - | |
| 300 - /* 8. Enable the receiver */ | |
| 301 - rtx_e1000_register_set32(hw_ctx, E1000_RCTL, E1000_RCTL_EN); | |
| 302 - | |
| 303 - ${Log::info("adapter_init_rx: receive registers configured and receiver enabled")}; | |
| 304 - | |
| 305 - /* | |
| 306 - * XXX: We can't return here since we are not in a function but | |
| 307 - * in a chunk of code (injected in a function). | |
| 308 - */ | |
| 309 - goto init_rx_ok; | |
| 310 - | |
| 311 - err_skbuffs_alloc: | |
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312 - while (i--) |
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313 - { |
| 133 | 314 - dma_unmap_single( |
| 315 - ${rtx_ether_ctx.device}, | |
| 316 - /* XXX Leaking cast because of the array: */ | |
| 317 - *((dma_addr_t *)&(hw_ctx->rx_ring.skbuffs[i].dma_handle)), | |
| 318 - ${config.rx_buffer_len}, | |
| 319 - DMA_FROM_DEVICE); | |
| 320 - err_skbuffs_map: | |
| 321 - /* XXX leaking cast: */ | |
| 322 - dev_kfree_skb((struct sk_buff *)hw_ctx->rx_ring.skbuffs[i].skbuff); | |
| 323 - } | |
| 324 - | |
| 325 - dma_free_coherent(${rtx_ether_ctx.device}, hw_ctx->rx_ring.size, | |
| 326 - hw_ctx->rx_ring.base, hw_ctx->rx_ring.dma_base); | |
| 327 - err_rx_ring_alloc: | |
| 328 - /* | |
| 329 - * XXX: Likewise, if there is something else to rollback in the | |
| 330 - * enclosing function, this won't be done. | |
| 331 - */ | |
| 332 - return -ENOMEM; | |
| 333 - | |
| 334 - init_rx_ok: (void)0; /* NOP, to make this a valid label. */ | |
| 335 - } | |
| 336 - } | |
| 337 - | |
|
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338 - map |
| 133 | 339 - { |
|
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340 - size: ((${self}).size); |
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341 - dma_base: ((${self}).dma_base); |
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342 - } |
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343 - } |
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344 - |
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345 - /* |
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346 - * Ring of e1000::TxDescriptors, this is a bit similar to the Rx ring except |
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347 - * that we don't really have to manage the skbuffs themselves (they are |
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348 - * given to use by the kernel). |
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349 - * |
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350 - * - size: total size of the ring in bytes. |
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351 - * - base: address of the ring (we can't use the typedef here until we get |
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352 - * CNorm unstrict); |
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353 - * - dma_base: (physical) address of the ring where the device can access |
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354 - * the different descriptors; |
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355 - * - skbuffs: the skbuffs associated with each descriptor of the ring; |
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356 - * - head: index on the head of the ring; |
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357 - * - tail: index on the tail of the ring. |
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358 - * |
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359 - * Keep in mind that the head and tail fields are, obviously, not |
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360 - * synchronized with TDT/TDH on the device. |
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361 - */ |
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362 - template type e1000::TxRing() |
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363 - { |
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364 - decl data_types() |
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365 - { |
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366 - unsigned int size; |
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367 - /* XXX: can't use ${e1000::TxDescriptor} here: */ |
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368 - ${e1000::TxDescriptor.ref} base; /* rename to descs */ |
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369 - dma_addr_t dma_base; |
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370 - ${Socket::SKBuff} skbuffs[${config.tx_ring_size}]; |
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371 - unsigned short head; |
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372 - unsigned short tail; |
| 133 | 373 - } |
| 374 - | |
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375 - chunk LKM::prototypes() |
| 133 | 376 - { |
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377 - static void rtx_e1000_tx_ring_clean(${e1000::TxRing.ref}); |
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378 - static unsigned int rtx_e1000_tx_ring_descriptors_remaining(${e1000::TxRing.ref}); |
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379 - static int rtx_e1000_tx_ring_tso_cksum_offload(${e1000::TxRing.ref}, ${Socket::SKBuff.ref}); |
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380 - static void rtx_e1000_tx_ring_put(${e1000::TxRing.ref}, ${Socket::SKBuff.ref}); |
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381 - /* FIXME: See issue #54 */ |
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382 - static void rtx_e1000_tx_ring_start_xmit(${e1000::TxRing.ref}, /*const*/ ${e1000::Context.ref}); |
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383 - } |
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384 - |
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385 - chunk LKM::code() |
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386 - { |
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387 - static void rtx_e1000_tx_ring_clean(${e1000::TxRing.ref} self) |
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388 - { |
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389 - ${e1000::TxDescriptor.ref} tx_desc; |
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390 - bool done; |
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391 - |
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392 - for (; self->head != self->tail; self->head++) |
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393 - { |
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394 - tx_desc = &self->base[self->head]; |
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395 - done = tx_desc->upper.fields.status & E1000_TXD_STAT_DD; |
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396 - if (!done) |
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397 - break ; |
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398 - } |
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399 - |
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400 - pr_info("%s: tx_ring_clean: moving head to %d/%d", ${config.name}, self->head, ${config.tx_ring_size}); |
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401 - } |
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402 - |
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403 - static unsigned int rtx_e1000_tx_ring_descriptors_remaining(${e1000::TxRing.ref} self) |
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404 - { |
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405 - if (self->tail == self->head) /* ring is empty */ |
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406 - return 256; /* XXX: ${config.tx_ring_size}; */ |
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407 - if (self->tail > self->head) |
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408 - /* XXX: ${config.tx_ring_size} */ |
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409 - return 256 - (self->tail - self->head); |
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410 - return self->head - self->tail; |
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411 - } |
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412 - |
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413 - static int rtx_e1000_tx_ring_tso_cksum_offload(${e1000::TxRing.ref} self, ${Socket::SKBuff.ref} skb) |
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414 - { |
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415 - ${Socket::AbstractSKBuff.ref} k_skb = skb->skbuff; |
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416 - return skb_is_gso(${local.k_skb.k_sk_buff}) || ${local.k_skb.k_sk_buff}->ip_summed == CHECKSUM_PARTIAL; |
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417 - } |
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418 - |
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419 - static void rtx_e1000_tx_ring_put(${e1000::TxRing.ref} self, ${Socket::SKBuff.ref} skb) |
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420 - { |
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421 - WARN_ON(!skb); |
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422 - |
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423 - /* |
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424 - * Mark it as the last buffer (EOP) and ask the card to |
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425 - * insert the Ethernet FCS (Frame Check Sequence). |
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426 - * |
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427 - * XXX: it sucks to use skb_headlen() here (this part of the |
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428 - * code shouldn't be aware of it and use something more |
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429 - * abstract. |
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430 - */ |
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431 - ${Socket::AbstractSKBuff.ref} k_skb = skb->skbuff; |
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432 - ${e1000::TxDescriptor.ref} tx_desc = &self->base[self->tail]; |
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433 - tx_desc->lower.data = cpu_to_le32( |
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434 - E1000_TXD_CMD_EOP | |
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435 - E1000_TXD_CMD_IFCS | |
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436 - E1000_TXD_CMD_RS | |
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437 - skb_headlen(${local.k_skb.k_sk_buff})); |
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438 - tx_desc->upper.data = 0; |
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439 - tx_desc->buff_addr = cpu_to_le64(${local.skb.dma_handle.k_dma_handle}); |
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440 - memcpy(&self->skbuffs[self->tail], ${local.k_skb.k_sk_buff}, sizeof(*${local.k_skb.k_sk_buff})); |
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441 - self->tail = (self->tail + 1) % ${config.tx_ring_size}; |
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442 - } |
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443 - |
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444 - /* FIXME: See issue #54 */ |
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445 - static void rtx_e1000_tx_ring_start_xmit(${e1000::TxRing.ref} self, /*const*/ ${e1000::Context.ref} hw_ctx) |
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446 - { |
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447 - pr_info("%s: start_xmit: moving tail to %d/%d", ${config.name}, self->tail, ${config.tx_ring_size}); |
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448 - rtx_e1000_register_write32(hw_ctx, E1000_TDT, self->tail); |
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449 - } |
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450 - } |
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451 - |
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452 - chunk Ethernet::adapter_init_tx(Ethernet::Device rtx_ether_ctx) |
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453 - { |
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454 - { |
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455 - ${e1000::Context.ref} hw_ctx = &${rtx_ether_ctx}->hw_ctx; |
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456 - |
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457 - /* |
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458 - * Transmission initialization (section 14.5): |
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459 - * |
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460 - * 1. Allocate the transmit descriptors ring and map it to make it |
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461 - * accessible by the device; |
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462 - * 2. Write the start address of the ring in TDBAL/TDBAH and set |
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463 - * TDLEN to the size of the ring; |
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464 - * 3. Set the TDH/TDT indexes to the beginning and end of the ring; |
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465 - * 4. Set TCTL.PSP to pad short packets and TCTL.EN to enable the |
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466 - * transmitter. |
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467 - */ |
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468 - |
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469 - /* 1. Allocate the tx ring */ |
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470 - hw_ctx->tx_ring.size = ${config.tx_ring_size} * sizeof(*hw_ctx->tx_ring.base); |
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471 - hw_ctx->tx_ring.size = ALIGN(hw_ctx->tx_ring.size, 4096); |
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472 - hw_ctx->tx_ring.base = dma_alloc_coherent( |
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473 - ${rtx_ether_ctx.device}, |
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474 - hw_ctx->tx_ring.size, |
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475 - &hw_ctx->tx_ring.dma_base, |
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476 - GFP_KERNEL); |
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477 - if (!hw_ctx->rx_ring.base) |
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478 - { |
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479 - ${Log::info("adapter_init_tx: cannot allocate the descriptors for the tx ring")}; |
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480 - /* |
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481 - * XXX: If there is something else to rollback in the enclosing |
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482 - * function, this won't be done. |
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483 - */ |
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484 - return -ENOMEM; |
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485 - } |
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486 - |
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487 - ${Log::info("adapter_init_tx: tx descriptors allocated")}; |
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488 - |
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489 - /* 2. Save the emplacement and the size of the ring in TDBA/TDLEN */ |
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490 - rtx_e1000_register_write32(hw_ctx, E1000_TDBAL, hw_ctx->tx_ring.dma_base & 0xffffffff); |
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491 - rtx_e1000_register_write32(hw_ctx, E1000_TDBAH, hw_ctx->tx_ring.dma_base >> 32); |
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492 - rtx_e1000_register_write32(hw_ctx, E1000_TDLEN, hw_ctx->tx_ring.size); |
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493 - |
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494 - /* 3. Setup TDH/TDT to zero: the queue is empty */ |
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495 - rtx_e1000_register_write32(hw_ctx, E1000_TDH, 0); |
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496 - rtx_e1000_register_write32(hw_ctx, E1000_TDT, 0); |
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497 - hw_ctx->tx_ring.head = 0; |
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498 - hw_ctx->tx_ring.tail = 0; |
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499 - |
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500 - /* 4. Set TCTL.PSP and enable the transmitter */ |
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501 - rtx_e1000_register_set32(hw_ctx, E1000_TCTL, E1000_TCTL_PSP|E1000_TCTL_EN); |
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502 - |
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503 - ${Log::info("adapter_init_tx: transmit registers configured and transmitter enabled")}; |
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504 - } |
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505 - } |
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506 - |
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507 - method clean() |
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508 - { |
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509 - rtx_e1000_tx_ring_clean(${self}); |
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510 - } |
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511 - |
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512 - method descriptors_remaining() |
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513 - { |
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514 - rtx_e1000_tx_ring_descriptors_remaining(${self}); |
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515 - } |
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516 - |
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517 - method tso_cksum_offload(Socket::SKBuff skb) |
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518 - { |
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519 - } |
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520 - |
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521 - method put(Socket::SKBuff skb) |
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522 - { |
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523 - rtx_e1000_tx_ring_put(${self}, &${skb}); |
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524 - } |
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525 - |
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526 - method start_xmit(e1000::Context ctx) |
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527 - { |
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528 - rtx_e1000_tx_ring_start_xmit(${self}, ${ctx}); |
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529 - } |
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530 - |
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531 - method init() |
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532 - { |
| 133 | 533 - } |
| 534 - | |
| 535 - map | |
| 536 - { | |
| 537 - } | |
| 538 - } | |
| 539 - | |
|
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540 - template type e1000::Context() |
| 133 | 541 - { |
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542 - decl data_types() |
| 133 | 543 - { |
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544 - int bars; |
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545 - unsigned char /* __iomem */ *ioaddr; |
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546 - ${e1000::RxRing.scalar} rx_ring; |
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547 - ${e1000::TxRing.scalar} tx_ring; |
| 133 | 548 - } |
| 549 - | |
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550 - chunk Ethernet::HardwareContext() |
| 133 | 551 - { |
|
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552 - /* |
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553 - * Force the generation of the structure in the "headers" part, we |
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554 - * have to do this since we do not use the structure in this blt |
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555 - * (we hacked a bit and used it in ethernet.blt directly). |
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556 - */ |
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557 - ${e1000::Context} hw_ctx; |
| 133 | 558 - } |
| 559 - | |
|
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560 - chunk Ethernet::adapter_init_context(Ethernet::Device rtx_ether_ctx, |
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561 - Builtin::number bars, |
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562 - Builtin::symbol ioaddr) |
| 133 | 563 - { |
| 564 - { | |
|
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565 - ${e1000::Context.ref} hw_ctx = &${rtx_ether_ctx}->hw_ctx; |
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566 - hw_ctx->bars = ${bars}; |
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567 - hw_ctx->ioaddr = ${ioaddr}; |
| 133 | 568 - } |
| 569 - } | |
| 570 - | |
|
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571 - chunk Ethernet::adapter_reset(Ethernet::Device rtx_ether_ctx) |
| 133 | 572 - { |
|
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573 - { |
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574 - /* XXX Naming this variable 'hw_ctx' kicks the decl out of the generated code */ |
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575 - ${e1000::Context.ref} tmp_hw_ctx = &${rtx_ether_ctx}->hw_ctx; |
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576 - rtx_e1000_register_write32(tmp_hw_ctx, E1000_CTRL, E1000_CMD_RST); |
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577 - udelay(10); |
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578 - } |
| 133 | 579 - } |
| 580 - | |
|
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581 - chunk Ethernet::adapter_load_mac_address(Ethernet::Device rtx_ether_ctx) |
| 133 | 582 - { |
|
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583 - { |
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584 - ${e1000::Context.ref} hw_ctx = &${rtx_ether_ctx}->hw_ctx; |
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585 - /* Shamelessly borrowed from Minix */ |
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586 - for (int i = 0; i < 3; ++i) |
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587 - { |
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588 - rtx_e1000_register_write32(hw_ctx, E1000_EEPROM_READ, (i << 8) | 1); |
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589 - int value; |
|
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590 - do |
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591 - value = rtx_e1000_register_read32(hw_ctx, E1000_EEPROM_READ); |
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592 - while ((value & (1 << 4)) == 0); |
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593 - value >>= 16; |
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594 - /* |
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595 - * NOTE: I'm not sure if Ethernet::Device should be |
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596 - * accessed directly here. But since we need to take it in |
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597 - * parameter (so we can get back our e1000::Context) it |
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598 - * seems inadequate to set this in another way: |
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599 - */ |
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600 - ${rtx_ether_ctx.dev_addr}[i * 2] = value & 0xff; |
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601 - ${rtx_ether_ctx.dev_addr}[i * 2 + 1] = (value >> 8) & 0xff; |
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602 - } |
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603 - ${Log::info("e1000::create: mac address loaded from the EEPROM")}; |
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604 - } |
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605 - } |
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606 - |
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607 - chunk Ethernet::adapter_setup(Ethernet::Device rtx_ether_ctx) |
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608 - { |
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609 - { |
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610 - ${e1000::Context.ref} hw_ctx = &${rtx_ether_ctx}->hw_ctx; |
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611 - |
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612 - /* |
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613 - * "General Configuration" (section 14.3): |
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614 - * |
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615 - * - CTRL.ASDE/CTRL.SLU: Let the PHY handle the speed detection & |
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616 - * negociation; |
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617 - * - CTRL.LRST/FRCSPD: Unset them to initiate the auto-negociation; |
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618 - * - CTRL.PHY_RST: Unset it; |
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619 - * - CTRL.ILOS: Unset it (ILOS is Invert Loss Of Signal); |
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620 - * - CTRL.VME: Make sure it's not set to disable VLAN support; |
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621 - * - Set the control flow registers to 0; |
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622 - * - Finally, initialize all the statistic registers from |
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623 - * E1000_CRCERRS to E1000_TSCTFC. |
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624 - */ |
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625 - rtx_e1000_register_set32(hw_ctx, E1000_CTRL, |
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626 - E1000_CMD_ASDE | |
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627 - E1000_CMD_SLU); |
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628 - rtx_e1000_register_unset32(hw_ctx, E1000_CTRL, |
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629 - E1000_CMD_LRST | |
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630 - E1000_CMD_FRCSPD | |
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631 - E1000_CMD_PHY_RST | |
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632 - E1000_CMD_ILOS | |
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633 - E1000_CMD_VME); |
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634 - rtx_e1000_register_write32(hw_ctx, E1000_FCAH, 0); |
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635 - rtx_e1000_register_write32(hw_ctx, E1000_FCAL, 0); |
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636 - rtx_e1000_register_write32(hw_ctx, E1000_FCT, 0); |
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637 - rtx_e1000_register_write32(hw_ctx, E1000_FCTTV, 0); |
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638 - /* |
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639 - * XXX: Using int i clashes with another int i from the |
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640 - * "parent" chunk: |
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641 - */ |
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642 - for (int j = 0; j != 64; ++j) |
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643 - rtx_e1000_register_write32(hw_ctx, E1000_CRCERRS + j * 4, 0); |
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644 - |
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645 - ${Log::info("adapter_setup: general configuration done")}; |
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646 - } |
| 133 | 647 - } |
| 648 - | |
| 649 - map | |
| 650 - { | |
| 651 - rx_ring: ((${self})->rx_ring); | |
| 652 - //tx_ring: ((${self})->tx_ring); XXX Circular dep with Context | |
| 653 - } | |
| 654 - } | |
| 655 - | |
| 656 - template type e1000::Register() | |
| 657 - { | |
| 658 - decl data_types() | |
| 659 + decl data_types() | |
| 660 { | |
| 661 E1000_CTRL = 0x00000, /* Device Control - RW */ | |
| 662 E1000_CTRL_DUP = 0x00004, /* Device Control Duplicate (Shadow) - RW */ | |
| 663 @@ -593,19 +37,14 @@ | |
| 664 E1000_TDT = 0x03818, /* Transmit Descriptor Tail */ | |
|
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665 } |
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666 |
| 133 | 667 - method init(Builtin::number value) |
| 668 - { | |
| 669 - ${self} = ${value}; | |
| 670 - } | |
| 671 - | |
|
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672 map |
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673 { |
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674 } |
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675 } |
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676 |
| 133 | 677 - template type e1000::Commands() |
| 678 + template type e1000::Command() | |
|
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679 { |
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680 - decl data_types() |
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681 + decl data_types() |
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682 { |
| 133 | 683 E1000_CMD_FD = 0x00000001, /* Full duplex.0=half; 1=full */ |
| 684 E1000_CMD_BEM = 0x00000002, /* Endian Mode.0=little,1=big */ | |
| 685 @@ -670,9 +109,9 @@ | |
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686 } |
| 133 | 687 } |
|
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688 |
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689 - template type e1000::TxDescriptorFlags() |
| 133 | 690 + template type e1000::TxDescriptorFlag() |
| 691 { | |
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692 - decl data_types() |
| 133 | 693 + decl data_types() |
| 694 { | |
| 695 E1000_TXD_DTYP_D = 0x00100000, /* Data Descriptor */ | |
| 696 E1000_TXD_DTYP_C = 0x00000000, /* Context Descriptor */ | |
| 138 | 697 @@ -701,326 +140,703 @@ |
| 133 | 698 } |
| 699 } | |
| 700 | |
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701 - /* TODO: make that a method of e1000::Context */ |
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702 - template sequence e1000::print_status(Ethernet::Device rtx_ether_ctx) |
| 133 | 703 + template type e1000::RxDescriptor() |
| 704 { | |
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705 - chunk LKM::prototypes() |
| 133 | 706 + decl data_types() |
| 707 + { | |
| 708 + __le64 buff_addr; | |
| 709 + __le16 length; | |
| 710 + __le16 csum; | |
| 711 + unsigned char status; | |
| 712 + unsigned char errors; | |
| 713 + __le16 special; | |
| 714 + } | |
| 715 + | |
| 716 + map | |
| 717 + { | |
| 718 + } | |
| 719 + } | |
| 720 + | |
| 721 + // This is a generic tx descriptor for the e1000. When you use TCP | |
| 722 + // Segmentation Offload (TSO) the hardware actually uses two types of | |
| 723 + // tx descriptors in its tx ring: | |
| 724 + // - context descriptors: this descriptor doesn't actually point to data to | |
| 725 + // send but initialize the offloading engine for the data descriptor that | |
| 726 + // follow; | |
| 727 + // - data descriptors: this descriptor points to data from the skbuffs. | |
| 728 + template type e1000::TxDescriptor() | |
| 729 + { | |
| 730 + decl data_types() | |
| 731 + { | |
| 732 + __le64 buff_addr; | |
| 733 + union { | |
| 734 + __le32 data; | |
| 735 + struct { | |
| 736 + __le16 length; | |
| 737 + unsigned char csum_offset; /* CSO */ | |
| 738 + unsigned char cmd; | |
| 739 + } fields; | |
| 740 + } lower; | |
| 741 + union { | |
| 742 + __le32 data; | |
| 743 + struct { | |
| 744 + unsigned char status; | |
| 745 + unsigned char csum_start; /* CSS */ | |
| 746 + __le16 special; | |
| 747 + } fields; | |
| 748 + } upper; | |
| 749 + } | |
| 750 + | |
| 751 + map | |
| 752 + { | |
| 753 + } | |
| 754 + } | |
| 755 + | |
| 756 + template type e1000::Buffer() | |
| 757 + { | |
| 758 + decl data_types() | |
| 759 + { | |
| 760 + ${Socket::SKBuff} sk_buff; | |
| 761 + ${DMA::DMAHandle} dma; | |
| 762 + } | |
| 763 + | |
| 764 + method init(Socket::SKBuff sk_buff, DMA::DMAHandle dma) | |
| 765 + { | |
| 766 + ${self.sk_buff} = ${sk_buff}; | |
| 767 + ${self.dma} = ${dma}; | |
| 768 + } | |
| 769 + | |
| 770 + map | |
| 771 + { | |
| 772 + sk_buff: ${self}->sk_buff; | |
| 773 + dma: ${self}->dma; | |
| 774 + } | |
| 775 + } | |
| 776 + | |
| 777 + template type e1000::Context() | |
| 778 + { | |
| 779 + decl data_types() | |
| 780 + { | |
| 134 | 781 + ${Ethernet::Device.ref} net_dev; |
| 782 + // XXX should be annoted with __iomem: | |
| 783 + unsigned char *io_addr; | |
| 133 | 784 + // XXX Forced to hardcode the type because there is a circular |
| 785 + // dependency between the rings and the context. | |
| 136 | 786 + rtxType_e1000_TxRing tx_ring; |
| 787 + rtxType_e1000_RxRing rx_ring; | |
| 133 | 788 + } |
| 789 + | |
| 790 + chunk LKM::includes() | |
| 791 + { | |
| 792 + #include <linux/types.h> | |
| 793 + } | |
| 794 + | |
|
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795 + chunk LKM::prototypes() |
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796 { |
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797 static void rtx_e1000_print_status(${e1000::Context.ref}); |
| 133 | 798 + |
| 799 + // XXX Needed until we can call methods (issue #46): | |
| 800 + static unsigned int rtx_e1000_reg_read32(${e1000::Context}, ${e1000::Register}); | |
| 801 + static void rtx_e1000_reg_write32(${e1000::Context}, ${e1000::Register}, unsigned int); | |
| 802 + static void rtx_e1000_reg_set32(${e1000::Context}, ${e1000::Register}, unsigned int); | |
| 803 + static void rtx_e1000_reg_unset32(${e1000::Context}, ${e1000::Register}, unsigned int); | |
|
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804 } |
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805 |
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806 - chunk LKM::code() |
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807 + chunk LKM::code() |
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808 { |
| 133 | 809 - static void rtx_e1000_print_status(${e1000::Context.ref} hw_ctx) |
| 810 + static void rtx_e1000_print_status(${e1000::Context.ref} self) | |
|
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811 { |
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812 - unsigned int status = rtx_e1000_register_read32(hw_ctx, E1000_STATUS); |
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813 - ${Log::info("card status:")}; |
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814 - /* |
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815 - * we can't use Log::info below because it just accept a string |
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816 - * (as opposed to a format string with its parameters). |
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817 - */ |
| 133 | 818 + unsigned int status = rtx_e1000_reg_read32(${local.self}, E1000_STATUS); |
|
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819 + ${Log::info("card status:")}; |
| 133 | 820 + // XXX We can't use Log::info below because it just accepts a |
| 821 + // string (as opposed to a format string with its arguments): | |
|
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822 pr_info("\tRegister value: 0x%x\n", status); |
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823 pr_info("\tMode: %s\n", (status & 1) ? "Full": "Half"); |
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824 pr_info("\tLink: %s\n", (status & 2) ? "Up" : "Down"); |
| 133 | 825 pr_info("\tTransmission: %s\n", (status & 4) ? "Paused" : "Ok"); |
| 826 pr_info("\tInterface: %s\n", (status & 3) == 3 ? "Up" : "Down"); | |
|
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827 } |
| 133 | 828 + |
| 829 + static unsigned int rtx_e1000_reg_read32(${e1000::Context} self, ${e1000::Register} reg) | |
| 830 + { | |
| 138 | 831 + // XXX The compiler generates &self->io_addr instead of |
| 832 + // self->io_addr if I use ${local.self.io_addr}: | |
|
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833 + return ioread32(self->io_addr + reg); |
| 133 | 834 + } |
| 835 + | |
| 836 + static void rtx_e1000_reg_write32(${e1000::Context} self, | |
| 837 + ${e1000::Register} reg, | |
| 838 + unsigned int value) | |
| 839 + { | |
|
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840 + return iowrite32(value, self->io_addr + reg); |
| 133 | 841 + } |
| 842 + | |
| 843 + static void rtx_e1000_reg_set32(${e1000::Context} self, | |
| 844 + ${e1000::Register} reg, | |
| 845 + unsigned int value) | |
| 846 + { | |
| 847 + return iowrite32( | |
| 848 + rtx_e1000_reg_read32(${local.self}, reg) | value, | |
|
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849 + self->io_addr + reg |
| 133 | 850 + ); |
| 851 + } | |
| 852 + | |
| 853 + static void rtx_e1000_reg_unset32(${e1000::Context} self, | |
| 854 + ${e1000::Register} reg, | |
| 855 + unsigned int value) | |
| 856 + { | |
| 857 + return iowrite32(rtx_e1000_reg_read32( | |
| 858 + ${local.self}, reg) & ~value, | |
|
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859 + self->io_addr + reg |
| 133 | 860 + ); |
| 861 + } | |
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862 } |
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863 |
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864 - chunk ::CALL() |
| 134 | 865 + method init(Ethernet::Device rtx_ether_ctx, Builtin::symbol io_addr) |
|
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866 { |
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867 - rtx_e1000_print_status(&${rtx_ether_ctx}->hw_ctx); |
| 134 | 868 + ${self.net_dev} = ${rtx_ether_ctx}; |
| 133 | 869 + ${self.io_addr} = ${io_addr}; |
| 870 + } | |
| 871 + | |
| 872 + method reg_read32(e1000::Register reg) | |
| 873 + { | |
| 874 + ioread32(${self.io_addr} + ${local.reg}); | |
| 875 + } | |
| 876 + | |
| 877 + method reg_write32(e1000::Register reg, Builtin::number value) | |
| 878 + { | |
| 879 + iowrite32(${value}, ${self.io_addr} + ${reg}); | |
| 880 + } | |
| 881 + | |
| 882 + method reg_set32(e1000::Register reg, Builtin::number value) | |
| 883 + { | |
| 884 + iowrite32(ioread32(${self.io_addr} + ${reg}) | ${value}, ${self.io_addr} + ${reg}); | |
| 885 + } | |
| 886 + | |
| 887 + method reg_unset32(e1000::Register reg, Builtin::number value) | |
| 888 + { | |
| 889 + iowrite32(ioread32(${self.io_addr} + ${reg}) & ~${value}, ${self.io_addr} + ${reg}); | |
| 890 + } | |
| 891 + | |
| 892 + chunk Ethernet::HardwareContext() | |
| 893 + { | |
| 894 + ${e1000::Context} hw_ctx; | |
| 895 + } | |
| 896 + | |
| 897 + chunk Ethernet::adapter_init_context(Ethernet::Device rtx_ether_ctx, Builtin::symbol io_addr) | |
| 898 + { | |
| 899 + { | |
|
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900 + ${e1000::Context.ref} hw_ctx = &${rtx_ether_ctx}->hw_ctx; |
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901 + // XXX doesn't work: ${local.hw_ctx.init(rtx_ether_ctx, io_addr)}; |
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902 + ${local.hw_ctx.net_dev} = ${rtx_ether_ctx}; |
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903 + ${local.hw_ctx.io_addr} = ${io_addr}; |
| 136 | 904 + // XXX doesn't work: ${local.hw_ctx.rx_ring.init(local.hw_ctx, config.rx_ring_size)}; |
| 905 + rtx_e1000_ring_init( | |
| 906 + &${local.hw_ctx.rx_ring}, | |
| 907 + ${config.rx_ring_size}, | |
| 908 + sizeof(rtxType_e1000_RxDescriptor) | |
| 909 + ); | |
| 910 + // XXX doesn't work: ${local.hw_ctx.tx_ring.init(local.hw_ctx, config.tx_ring_size)}; | |
| 911 + rtx_e1000_ring_init( | |
| 912 + &${local.hw_ctx.tx_ring}, | |
| 913 + ${config.tx_ring_size}, | |
| 914 + sizeof(rtxType_e1000_TxDescriptor) | |
| 915 + ); | |
| 133 | 916 + } |
| 917 + } | |
| 918 + | |
| 919 + chunk Ethernet::adapter_reset(Ethernet::Device rtx_ether_ctx) | |
| 920 + { | |
| 921 + { | |
|
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922 + ${e1000::Context.ref} hw_ctx = &${rtx_ether_ctx}->hw_ctx; |
| 133 | 923 + // XXX #46: ${local.hw_ctx.io.write32(E1000_CTRL, E1000_CMD_RST)}; |
| 924 + rtx_e1000_reg_write32(hw_ctx, E1000_CTRL, E1000_CMD_RST); | |
| 925 + udelay(10); // TODO: abstract udelay too... | |
| 926 + ${Log::info("adapter has been reset")}; | |
| 927 + } | |
| 928 + } | |
| 929 + | |
| 930 + chunk Ethernet::adapter_load_mac_address(Ethernet::Device rtx_ether_ctx) | |
| 931 + { | |
| 932 + { | |
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933 + ${e1000::Context.ref} hw_ctx = &${rtx_ether_ctx}->hw_ctx; |
| 133 | 934 + // Shamelessly borrowed from Minix |
| 935 + for (int i = 0; i < 3; ++i) { | |
| 936 + rtx_e1000_reg_write32(hw_ctx, E1000_EEPROM_READ, (i << 8) | 1); | |
| 937 + int value; | |
| 938 + do { | |
| 939 + value = rtx_e1000_reg_read32(hw_ctx, E1000_EEPROM_READ); | |
| 940 + } while ((value & (1 << 4)) == 0); | |
| 941 + value >>= 16; | |
| 942 + // NOTE: I'm not sure if Ethernet::Device should be | |
| 943 + // accessed directly here. But since we need to take it in | |
| 944 + // parameter (so we can get back our e1000::Context) it | |
| 945 + // seems inadequate to set this in another way: | |
|
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946 + ${rtx_ether_ctx.dev_addr}[i * 2] = value & 0xff; |
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947 + ${rtx_ether_ctx.dev_addr}[i * 2 + 1] = (value >> 8) & 0xff; |
| 133 | 948 + } |
| 949 + | |
| 950 + ${Log::info("mac address loaded from the EEPROM")}; | |
| 951 + } | |
| 952 + } | |
| 953 + | |
| 954 + // For e1000, this part is documented in the Intel Gigabit Ethernet | |
| 955 + // Controller Software Developper manual. (You can find it in the | |
| 956 + // doc/hardware directory). | |
| 957 + chunk Ethernet::adapter_setup_rx_tx(Ethernet::Device rtx_ether_ctx) | |
| 958 + { | |
| 959 + { | |
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960 + ${e1000::Context.ref} hw_ctx = &${rtx_ether_ctx}->hw_ctx; |
| 133 | 961 + |
| 962 + // "General Configuration" (section 14.3): | |
| 963 + // | |
| 964 + // - CTRL.ASDE/CTRL.SLU: Let the PHY handle the speed detection & | |
| 965 + // negociation; | |
| 966 + // - CTRL.LRST/FRCSPD: Unset them to initiate the auto-negociation; | |
| 967 + // - CTRL.PHY_RST: Unset it; | |
| 968 + // - CTRL.ILOS: Unset it (ILOS is Invert Loss Of Signal); | |
| 969 + // - CTRL.VME: Make sure it's not set to disable VLAN support; | |
| 970 + // - Set the control flow registers to 0; | |
| 971 + // - Finally, initialize all the statistic registers from | |
| 972 + // E1000_CRCERRS to E1000_TSCTFC. | |
| 973 + | |
| 974 + // XXX #46: Use the read/write/set/unset methods on Context | |
| 975 + rtx_e1000_reg_set32(hw_ctx, E1000_CTRL, E1000_CMD_ASDE|E1000_CMD_SLU); | |
| 976 + rtx_e1000_reg_unset32( | |
| 977 + hw_ctx, | |
| 978 + E1000_CTRL, | |
| 979 + E1000_CMD_LRST|E1000_CMD_FRCSPD|E1000_CMD_PHY_RST| | |
| 980 + E1000_CMD_ILOS|E1000_CMD_VME | |
| 981 + ); | |
| 982 + rtx_e1000_reg_write32(hw_ctx, E1000_FCAH, 0); | |
| 983 + rtx_e1000_reg_write32(hw_ctx, E1000_FCAL, 0); | |
| 984 + rtx_e1000_reg_write32(hw_ctx, E1000_FCT, 0); | |
| 985 + rtx_e1000_reg_write32(hw_ctx, E1000_FCTTV, 0); | |
| 136 | 986 + // XXX int i leaks from another chunk and will not be generated |
| 987 + // here, let's use a different index name: | |
| 988 + for (int j = 0; j != 64; ++j) | |
| 989 + rtx_e1000_reg_write32(hw_ctx, E1000_CRCERRS + j * 4, 0); | |
| 133 | 990 + |
| 991 + ${Log::info("adapter_setup_rx_tx: general configuration done")}; | |
| 992 + | |
| 993 + int err; | |
| 994 + | |
| 995 + err = rtx_e1000_rx_ring_alloc_resources(&hw_ctx->rx_ring); | |
| 996 + if (err) | |
| 997 + goto err_alloc_rx_ring; | |
| 998 + rtx_e1000_rx_ring_configure(&hw_ctx->rx_ring); | |
| 999 + | |
| 1000 + err = rtx_e1000_tx_ring_alloc_resources(&hw_ctx->tx_ring); | |
| 1001 + if (err) | |
| 1002 + goto err_alloc_tx_ring; | |
| 1003 + rtx_e1000_tx_ring_configure(&hw_ctx->tx_ring); | |
| 1004 + | |
| 1005 + err_alloc_tx_ring: | |
| 1006 + rtx_e1000_rx_ring_free_resources(&hw_ctx->rx_ring); | |
| 1007 + err_alloc_rx_ring: | |
| 138 | 1008 + // XXX Can't return here since we don't know the context, |
| 1009 + // anyway, hardcoded goto: | |
| 1010 + goto rtx_ethernet_open_fail; | |
| 133 | 1011 + } |
| 1012 + } | |
| 1013 + | |
| 136 | 1014 + chunk Ethernet::adapter_enable_interrupts(Ethernet::Device rtx_ether_ctx) |
| 133 | 1015 + { |
| 1016 + { | |
|
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1017 + ${e1000::Context.ref} hw_ctx = &${rtx_ether_ctx}->hw_ctx; |
| 133 | 1018 + rtx_e1000_reg_write32( |
| 1019 + hw_ctx, | |
| 1020 + E1000_IMS, | |
| 1021 + E1000_INTR_TXDW|E1000_INTR_TXQE|E1000_INTR_LSC| | |
| 1022 + E1000_INTR_RXO|E1000_INTR_RXT0 | |
| 1023 + ); | |
| 1024 + | |
| 1025 + // XXX We should probably move that elsewhere (it just used to | |
| 1026 + // be done right after we enabled interrupts when this was | |
| 1027 + // still in lkm.rtx): | |
| 1028 + // XXX #46: ${local.hw_ctx.print_status()}; | |
| 1029 + rtx_e1000_print_status(hw_ctx); | |
| 1030 + } | |
| 1031 + } | |
| 1032 + | |
| 134 | 1033 + chunk Ethernet::adapter_disable_interrupts(Ethernet::Device rtx_ether_ctx) |
| 133 | 1034 + { |
| 1035 + { ${Log::info("adapter_disable_interrupts: TBD...")}; } | |
| 1036 + } | |
| 1037 + | |
| 1038 + chunk Ethernet::adapter_handle_interrupt(Ethernet::Device rtx_ether_ctx) | |
| 1039 + { | |
| 1040 + { | |
|
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1041 + ${e1000::Context.ref} hw_ctx = &${rtx_ether_ctx}->hw_ctx; |
| 133 | 1042 + unsigned int icr = rtx_e1000_reg_read32(hw_ctx, E1000_ICR); |
| 1043 + pr_info("%s: interrupt received, ICR: 0x%x", ${config.name}, icr); | |
| 1044 + if (icr) { | |
| 1045 + if (icr & E1000_INTR_LSC) { | |
| 1046 + ${Log::info("handle_interrupt: cable link status changed, dumping card status:")}; | |
| 1047 + // XXX #46: ${local.hw_ctx.print_status()}; | |
| 1048 + rtx_e1000_print_status(hw_ctx); | |
| 1049 + } | |
| 1050 + if (icr & (E1000_INTR_TXQE|E1000_INTR_TXDW)) { | |
| 1051 + ${Log::info("handle_interrupt: TxRing: packet(s) sent")}; | |
| 1052 + } | |
| 1053 + if (icr & E1000_INTR_RXT0) { | |
| 1054 + ${Log::info("handle_interrupt: RxRing: packet(s) received")}; | |
| 1055 + } | |
| 1056 + if (icr & E1000_INTR_RXO) { | |
| 1057 + ${Log::info("handle_interrupt: RxRing: overrun")}; | |
| 1058 + } | |
| 1059 + | |
| 1060 + // XXX: This sucks since we don't know the pointcut context: | |
| 1061 + return IRQ_HANDLED; | |
| 1062 + } | |
| 1063 + } | |
| 1064 + } | |
| 1065 + | |
| 1066 + chunk Ethernet::adapter_xmit(Ethernet::Device rtx_ether_ctx, Socket::SKBuff rtx_skb) | |
| 1067 + { | |
| 1068 + { ${Log::info("adapter_xmit: TBD...")}; } | |
| 1069 + } | |
| 1070 + | |
| 1071 + chunk Ethernet::adapter_disable_rx(Ethernet::Device rtx_ether_ctx) | |
| 1072 + { | |
| 1073 + { ${Log::info("adapter_disable_rx: TBD..")}; } | |
| 1074 + } | |
| 1075 + | |
| 134 | 1076 + chunk Ethernet::adapter_disable_tx(Ethernet::Device rtx_ether_ctx) |
| 133 | 1077 + { |
| 1078 + { ${Log::info("adapter_disable_tx: TBD..")}; } | |
| 1079 + } | |
| 1080 + | |
| 1081 + chunk Ethernet::adapter_free_rx_tx(Ethernet::Device rtx_ether_ctx) | |
| 1082 + { | |
| 1083 + { ${Log::info("adapter_free_rx_tx: TBD..")}; } | |
| 1084 + } | |
| 1085 + | |
| 1086 + method print_status() | |
| 1087 + { | |
| 1088 + rtx_e1000_print_status(${self}); | |
| 1089 + } | |
| 1090 + | |
| 1091 + map | |
| 1092 + { | |
| 136 | 1093 + io_addr: ${self}->io_addr; |
| 133 | 1094 + rx_ring: ${self}->rx_ring; |
| 1095 + tx_ring: ${self}->tx_ring; | |
| 134 | 1096 + net_dev: ${self}->net_dev; |
| 133 | 1097 } |
| 1098 } | |
| 1099 | |
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1100 - /* |
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1101 - * We should have been able to do something along those lines, but |
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1102 - * it didn't work so we made the call manually. |
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1103 - * |
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1104 - * Ideally: |
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1105 - * ${e1000::register_read32(rtx_ether_ctx->hw_ctx, E1000_STATUS)}; |
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1106 - * |
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1107 - * Ideally2, not sure about the syntax on the register parameter: |
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1108 - * ${e1000::register_read32(rtx_ether_ctx->hw_ctx, ${e1000::Register.E1000_STATUS})}; |
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1109 - * |
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1110 - * "Acceptable": |
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1111 - * ${e1000::Register} reg_status; |
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1112 - * ${e1000.init(E1000_STATUS); // didn't work, so we used the next line |
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1113 - * reg_status = E1000_STATUS; |
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1114 - * ${e1000::register_read32(rtx_ether_ctx->hw_ctx, reg_status)}; |
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1115 - * |
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1116 - * TODO: make them methods of e1000::Context |
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1117 - */ |
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1118 - template sequence e1000::register_read32(e1000::Context ctx, e1000::Register reg_offset) |
| 133 | 1119 + template type e1000::Ring() |
| 1120 { | |
|
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1121 - chunk LKM::prototypes() |
| 133 | 1122 + decl data_types() |
| 1123 { | |
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1124 - /* FIXME: See issue #54 */ |
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1125 - static unsigned int rtx_e1000_register_read32(/*const*/ ${e1000::Context.ref}, unsigned int); |
| 133 | 1126 + ${e1000::Context} hw_ctx; |
| 1127 + ${DMA::DMAHandle} dma; | |
| 1128 + unsigned int size; | |
| 1129 + ${Builtin::symbol.ref} descs; | |
| 1130 + ${e1000::Buffer.ref} buffs; | |
|
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1131 } |
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1132 |
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1133 - chunk LKM::code() |
| 133 | 1134 + chunk LKM::prototypes() |
|
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1135 { |
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1136 - /* FIXME: See issue #54 */ |
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1137 - static unsigned int rtx_e1000_register_read32(/*const*/ ${e1000::Context.ref} ctx, unsigned int reg_offset) |
| 133 | 1138 + static void rtx_e1000_ring_init(${e1000::Ring.ref}, ${e1000::Context}, int, int); |
| 1139 + } | |
| 1140 + | |
| 1141 + chunk LKM::code() | |
| 1142 + { | |
| 1143 + static void rtx_e1000_ring_init(${e1000::Ring.ref} self, ${e1000::Context} hw_ctx, | |
| 1144 + int desc_count, int desc_size) | |
|
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1145 { |
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1146 - return ioread32(ctx->ioaddr + reg_offset); |
| 133 | 1147 + BUG_ON(desc_count <= 0 || desc_size <= 0); |
| 1148 + memset(self, 0, sizeof(*self)); | |
| 1149 + self->size = ALIGN(desc_count * desc_size, 4096); | |
| 1150 + self->hw_ctx = hw_ctx; | |
|
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1151 } |
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1152 } |
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1153 |
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1154 - chunk ::CALL() |
| 133 | 1155 + method init(e1000::Context hw_ctx, Builtin::number desc_count, Builtin::number desc_size) |
| 1156 { | |
| 1157 - rtx_e1000_register_read32(${ctx}, ${reg_offset}); | |
| 1158 + rtx_e1000_ring_init(&${self}, ${hw_ctx}, ${desc_count}, ${desc_size}); | |
| 1159 + } | |
| 1160 + | |
| 1161 + map | |
| 1162 + { | |
| 1163 + hw_ctx: ${self}->hw_ctx; | |
| 1164 + dma: ${self}->dma; | |
| 1165 + size: ${self}->size; | |
| 1166 + descs: ${self}->descs; | |
| 1167 + buffs: ${self}->buffs; | |
| 1168 } | |
| 1169 } | |
| 1170 | |
| 1171 - template sequence e1000::register_write32(e1000::Context ctx, e1000::Register reg_offset, ::number value) | |
| 1172 + template type e1000::RxRing() | |
| 1173 { | |
| 1174 - chunk LKM::prototypes() | |
| 1175 + decl data_types() | |
| 1176 { | |
| 1177 - /* FIXME: See issue #54 */ | |
| 1178 - static void rtx_e1000_register_write32(/*const*/ ${e1000::Context.ref}, unsigned int, unsigned int); | |
| 1179 + ${e1000::Ring} ring; | |
| 1180 } | |
| 1181 | |
| 1182 - chunk LKM::code() | |
| 1183 + chunk LKM::prototypes() | |
|
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1184 { |
| 133 | 1185 - /* FIXME: See issue #54 */ |
| 1186 - static void rtx_e1000_register_write32(/*const*/ ${e1000::Context.ref} ctx, unsigned int reg_offset, unsigned int value) | |
| 1187 + static int rtx_e1000_rx_ring_alloc_resources(${e1000::RxRing.ref}); | |
| 134 | 1188 + static void rtx_e1000_rx_ring_free_resources(${e1000::RxRing.ref}); |
| 133 | 1189 + static void rtx_e1000_rx_ring_configure(${e1000::RxRing.ref}); |
| 1190 + } | |
| 1191 + | |
| 1192 + chunk LKM::code() | |
| 1193 + { | |
| 1194 + static int rtx_e1000_rx_ring_alloc_resources(${e1000::RxRing.ref} self) | |
| 1195 { | |
| 1196 - iowrite32(value, ctx->ioaddr + reg_offset); | |
| 1197 + // XXX Reread & Fix everything down there (data structure changes and so on) | |
| 1198 + | |
| 1199 + // 4. Setup the receive descriptor ring | |
| 1200 + | |
| 1201 + int i; | |
| 1202 + | |
| 1203 + // Allocate the descriptors | |
| 138 | 1204 + ${local.self.descs} = ${DMA::alloc_coherent( |
| 133 | 1205 + local.self.hw_ctx.net_dev.device, local.self.size, |
| 1206 + local.self.dma.dma_handle | |
| 1207 + )}; | |
| 138 | 1208 + |
| 1209 + if (!${local.self.descs}) { | |
| 133 | 1210 + ${Log::info("adapter_init_rx: cannot allocate the descriptors for the rx ring")}; |
| 1211 + goto err_rx_ring_alloc; | |
| 1212 + } | |
| 1213 + | |
| 138 | 1214 + // XXX The generated code is completely scrambled if this is |
| 1215 + // not scoped: | |
| 1216 + { ${Log::info("adapter_init_rx: rx descriptors allocated")}; } | |
| 133 | 1217 + |
| 1218 + // Allocate the skbuffs, map them for DMA, and write their address | |
| 1219 + // in the corresponding descriptor. | |
| 1220 +// for (i = 0; i != ${config.rx_ring_size}; ++i) { | |
| 1221 +// ${Socket::SKBuff.ref} skbuff = &hw_ctx->rx_ring.skbuffs[i]; | |
| 1222 +// // XXX #46: ${rtx_ether_ctx.alloc_rx_skbuff(local.skbuff, config.rx_buffer_len)}; | |
| 1223 +// if (rtx_ethernet_alloc_rx_skbuff(ocal.skbuff, ${config.rx_buffer_len})) { | |
| 1224 +// ${Log::info("adapter_init_rx: cannot allocate a skbuff for the rx ring")}; | |
| 1225 +// goto err_skbuffs_alloc; | |
| 1226 +// } | |
| 1227 +// /* TODO: recuperer le dma handle et le placer correctement dans le descripteur. */ | |
|
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1228 +// ${DMA::map(rtx_ether_ctx.device, local.skbuff.data, local.skbuff.len, RTX_DMA_FROM_DEVICE)} |
|
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1229 +// if (${DMA::map(rtx_ether_ctx.device, local.skbuff.data, local.skbuff.len, RTX_DMA_FROM_DEVICE)}) { |
| 133 | 1230 +// ${Log::info("adapter_init_rx: cannot dma-map a skbuff for the rx ring")}; |
| 1231 +// goto err_skbuffs_map; | |
| 1232 +// } | |
| 1233 +// hw_ctx->rx_ring.base[i].buff_addr = cpu_to_le64(${local.skbuff.sk_buff}); | |
| 1234 +// } | |
| 1235 + | |
| 1236 + // ${Log::info("adapter_init_rx: skbuffs allocated}; | |
| 1237 + pr_info("rtx_e1k: adapter_init_rx: skbuffs allocated, headlen=%d", skb_headlen((struct sk_buff *)hw_ctx->rx_ring.skbuffs[i - 1].skbuff)); | |
| 1238 + | |
| 1239 + err_skbuffs_alloc: | |
| 1240 + while (i--) { | |
| 134 | 1241 +// XXX ${DMA::unmap( |
| 1242 +// local.self.hw_ctx.net_dev.device, | |
| 1243 +// // XXX Leaking cast because of the array: (TODO: the data structure changed) | |
| 1244 +// *((dma_addr_t *)&(self->buffs[i].dma_handle)), | |
| 1245 +// config.rx_buffer_len, | |
| 1246 +// RTX_DMA_FROM_DEVICE | |
| 1247 +// )}; | |
| 133 | 1248 + err_skbuffs_map: |
| 1249 + // XXX leaking cast: (TODO: the data structure changed) | |
| 1250 + dev_kfree_skb((struct sk_buff *)hw_ctx->rx_ring.skbuffs[i].skbuff); | |
| 1251 + } | |
| 1252 + | |
| 136 | 1253 + void *descs = ${local.self.descs}; |
| 1254 + ${cast local.descs as Builtin::symbol.ref}; | |
| 133 | 1255 + ${DMA::free_coherent( |
| 1256 + local.self.hw_ctx.net_dev.device, local.self.size, | |
| 136 | 1257 + local.descs, local.self.dma.dma_handle |
| 133 | 1258 + )}; |
| 1259 + err_rx_ring_alloc: | |
| 1260 + return -ENOMEM; | |
| 1261 + } | |
| 1262 + | |
| 134 | 1263 + static void rtx_e1000_rx_ring_free_resources(${e1000::RxRing.ref} self) |
| 1264 + { | |
| 1265 + ${Log::info("e1000_rx_ring_free_resources: TBD...")}; | |
| 1266 + } | |
| 1267 + | |
| 133 | 1268 + static void rtx_e1000_rx_ring_configure(${e1000::RxRing.ref} self) |
|
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1269 + { |
| 133 | 1270 + // XXX Reread & Fix everything down there (data structure changes and so on) |
| 1271 + | |
| 1272 + // Receive initialization (section 14.4): | |
| 1273 + // | |
| 1274 + // 1. Program the receive address, in RAL/RAH; | |
| 1275 + // 2. Initialize the Multicast Table Array; | |
| 1276 + // 3. Program the interrupt mask register (done in | |
| 1277 + // e1000::activate_device_interruption); | |
| 1278 + // 4. Allocate the receive descriptor ring and map it to make it | |
| 1279 + // accessible by the device; | |
| 1280 + // 5. Write the start address of the ring in RDBAL/RDBAH and set | |
| 1281 + // RDLEN (Receive Descriptor Length) to the size of the ring; | |
| 1282 + // 6. Set the RDH/RDT (Receive Descriptor Head/Tail) indexes to the | |
| 1283 + // beginning and end of the ring; | |
| 1284 + // 7. Make sure that RCTL.BSIZE and .BSEX are at 0 to configure the | |
| 1285 + // receive buffer size to 2048 bytes (e1000::rx_buffer_len). | |
| 1286 + // 8. Set RCTL.EN to enable the receiver. | |
| 1287 + // | |
| 1288 + // The ugly casts here are caused by the lack of CNorm unstrict. | |
| 1289 + | |
| 1290 + int i; | |
| 1291 + | |
| 1292 + // 1. Program the receive address | |
| 1293 + | |
| 1294 + // (We should use uint{32,16}_t but CNorm doesn't know them yet) | |
| 1295 + rtx_e1000_reg_write32( | |
| 1296 + ${local.self.hw_ctx}, E1000_RAL, | |
| 1297 + *(unsigned int *)(${local.self.hw_ctx.net_dev.dev_addr}) | |
| 1298 + ); | |
| 1299 + // The 16 upper bits of RAH also store the AS bits (which should be | |
| 1300 + // 0) and the AV bit (should be 1 to set the address as valid). | |
| 1301 + rtx_e1000_reg_write32( | |
| 1302 + ${local.self.hw_ctx}, E1000_RAH, | |
| 1303 + *(unsigned short *)(&${local.self.hw_ctx.net_dev.dev_addr}[4]) | |
| 1304 + ); | |
| 1305 + rtx_e1000_reg_set32(${local.self.hw_ctx}, E1000_RAH, E1000_RAH_AV); | |
| 1306 + | |
| 1307 + ${Log::info("rx_ring_configure: receive address programmed")}; | |
| 1308 + | |
| 1309 + // 2. Initialize the MTA | |
| 1310 + | |
| 1311 + for (i = 0; i != 128; ++i) // TODO Remove that hardcoded 128 | |
| 1312 + rtx_e1000_reg_write32(${local.self.hw_ctx}, E1000_MTA + i * 4, 0); | |
| 1313 + | |
| 1314 + ${Log::info("rx_ring_configure: MTA init done")}; | |
| 1315 + | |
| 1316 + // 5. Save the emplacement and the size of the ring in RDBA/RDLEN | |
| 1317 + rtx_e1000_reg_write32( | |
| 1318 + ${local.self.hw_ctx}, E1000_RDBAL, | |
| 1319 + ${local.self.hw_ctx}->rx_ring.dma_base & 0xffffffff | |
| 1320 + ); | |
| 1321 + rtx_e1000_reg_write32( | |
| 1322 + ${local.self.hw_ctx}, E1000_RDBAH, | |
| 1323 + ${local.self.hw_ctx}->rx_ring.dma_base >> 32 | |
| 1324 + ); | |
| 1325 + rtx_e1000_reg_write32( | |
| 1326 + ${local.self.hw_ctx}, E1000_RDLEN, | |
| 1327 + ${local.self.hw_ctx}->rx_ring.size | |
| 1328 + ); | |
| 1329 + | |
| 1330 + // 6. Setup RDH/RDT | |
| 1331 + rtx_e1000_reg_write32(${local.self.hw_ctx}, E1000_RDH, 0); | |
| 1332 + rtx_e1000_reg_write32( | |
| 1333 + ${local.self.hw_ctx}, E1000_RDT, | |
| 1334 + ${config.rx_ring_size} - 1 | |
| 1335 + ); | |
| 1336 + | |
| 1337 + // 7. Configure the buffer size | |
| 1338 + rtx_e1000_reg_set32( | |
| 1339 + ${local.self.hw_ctx}, E1000_RCTL, | |
| 1340 + E1000_RCTL_BSIZE_${config.rx_buffer_len} | |
| 1341 + ); | |
| 1342 + | |
| 1343 + // 8. Enable the receiver | |
| 1344 + rtx_e1000_reg_set32(${local.self.hw_ctx}, E1000_RCTL, E1000_RCTL_EN); | |
| 1345 + | |
| 1346 + ${Log::info("rx_ring_configure: receive registers configured and receiver enabled")}; | |
| 1347 + | |
| 1348 + return 0; | |
|
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1349 } |
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1350 } |
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1351 |
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|
1352 - chunk ::CALL() |
| 133 | 1353 + method init(e1000::Context hw_ctx, Builtin::number desc_count) |
| 1354 { | |
| 1355 - rtx_e1000_register_write32(${ctx}, ${reg_offset}, ${value}); | |
|
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1356 + // XXX doesn't work: ${self.ring.init(hw_ctx, desc_count, self.desc_size)}; |
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1357 + rtx_e1000_ring_init(&${self}, ${hw_ctx}, ${desc_count}, ${self.desc_size}); |
| 133 | 1358 + } |
| 1359 + | |
| 1360 + method alloc() | |
| 1361 + { | |
| 1362 + rtx_e1000_rx_ring_alloc_resources(${self}); | |
| 1363 + } | |
| 1364 + | |
| 134 | 1365 + method free() |
| 1366 + { | |
| 1367 + rtx_e1000_rx_ring_free_resources(${self}); | |
| 1368 + } | |
| 1369 + | |
| 133 | 1370 + method configure() |
| 1371 + { | |
| 1372 + rtx_e1000_rx_ring_configure(${self}); | |
| 1373 + } | |
| 1374 + | |
| 1375 + map | |
| 1376 + { | |
| 138 | 1377 + hw_ctx: ${self}->ring.hw_ctx; |
| 1378 + dma: ${self}->ring.dma; | |
| 1379 + size: ${self}->ring.size; | |
| 1380 + descs: ${self}->ring.descs; | |
| 1381 + buffs: ${self}->ring.buffs; | |
| 1382 + desc_size: sizeof(rtxType_e1000_RxDescriptor); // XXX hardcoded | |
| 133 | 1383 } |
| 1384 } | |
| 1385 | |
| 1386 - template sequence e1000::register_set32(e1000::Context ctx, e1000::Register reg_offset, ::number value) | |
| 1387 + template type e1000::TxRing() | |
| 1388 { | |
| 1389 - chunk LKM::prototypes() | |
| 1390 + decl data_types() | |
| 1391 { | |
| 1392 - /* FIXME: See issue #54 */ | |
| 1393 - static void rtx_e1000_register_set32(/*const*/ ${e1000::Context.ref}, unsigned int, unsigned int); | |
| 1394 + ${e1000::Ring} ring; | |
| 1395 } | |
| 1396 | |
| 1397 - chunk LKM::code() | |
| 1398 + chunk LKM::prototypes() | |
| 1399 { | |
| 1400 - /* FIXME: See issue #54 */ | |
| 1401 - static void rtx_e1000_register_set32(/*const*/ ${e1000::Context.ref} ctx, unsigned int reg_offset, unsigned int value) | |
| 1402 + static int rtx_e1000_tx_ring_alloc_resources(${e1000::TxRing.ref}); | |
| 134 | 1403 + static void rtx_e1000_tx_ring_free_resources(${e1000::TxRing.ref}); |
| 133 | 1404 + static void rtx_e1000_tx_ring_configure(${e1000::TxRing.ref}); |
| 1405 + } | |
| 1406 + | |
| 1407 + chunk LKM::code() | |
| 1408 + { | |
| 1409 + static int rtx_e1000_tx_ring_alloc_resources(${e1000::TxRing.ref} self) | |
| 1410 { | |
| 1411 - iowrite32(rtx_e1000_register_read32(ctx, reg_offset) | value, ctx->ioaddr + reg_offset); | |
| 134 | 1412 + ${Log::info("e1000_tx_ring_alloc_resources: TBD...")}; |
| 133 | 1413 + return 0; |
| 1414 + } | |
| 1415 + | |
| 134 | 1416 + static void rtx_e1000_tx_ring_free_resources(${e1000::TxRing.ref} self) |
| 1417 + { | |
| 1418 + ${Log::info("e1000_tx_ring_free_resources: TBD...")}; | |
| 1419 + } | |
| 1420 + | |
| 133 | 1421 + static void rtx_e1000_tx_ring_configure(${e1000::TxRing.ref} self) |
| 1422 + { | |
| 1423 + // return ; XXX wtf fails with: | |
| 1424 + // function 'rtxPH_compile(local_node : node, compile : node, node_idx : value)' hasn't been implemented | |
| 1425 } | |
| 1426 } | |
| 1427 | |
| 1428 - chunk ::CALL() | |
| 1429 + method init(e1000::Context hw_ctx, Builtin::number desc_count) | |
|
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1430 { |
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1431 - rtx_e1000_register_set32(${ctx}, ${reg_offset}, ${value}); |
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1432 - } |
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1433 - } |
| 133 | 1434 - |
|
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1435 - template sequence e1000::register_unset32(e1000::Context ctx, e1000::Register reg_offset, ::number value) |
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1436 - { |
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1437 - chunk LKM::prototypes() |
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1438 - { |
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1439 - /* FIXME: See issue #54 */ |
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1440 - static void rtx_e1000_register_unset32(/*const*/ ${e1000::Context.ref}, unsigned int, unsigned int); |
|
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1441 + // XXX doesn't work: ${self.ring.init(hw_ctx, desc_count, self.desc_size)}; |
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1442 + rtx_e1000_ring_init(&${self}, ${hw_ctx}, ${desc_count}, ${self.desc_size}); |
| 133 | 1443 } |
|
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1444 |
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1445 - chunk LKM::code() |
| 133 | 1446 + method alloc() |
| 1447 { | |
|
132
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|
1448 - /* FIXME: See issue #54 */ |
|
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|
1449 - static void rtx_e1000_register_unset32(/*const*/ ${e1000::Context.ref} ctx, unsigned int reg_offset, unsigned int value) |
|
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|
1450 - { |
|
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|
1451 - iowrite32(rtx_e1000_register_read32(ctx, reg_offset) & ~value, ctx->ioaddr + reg_offset); |
| 133 | 1452 - } |
| 1453 + rtx_e1000_tx_ring_alloc_resources(${self}); | |
|
132
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|
1454 } |
|
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|
1455 |
|
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|
1456 - chunk ::CALL() |
| 134 | 1457 + method free() |
|
132
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|
1458 { |
|
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|
1459 - rtx_e1000_register_unset32(${ctx}, ${reg_offset}, ${value}); |
| 134 | 1460 + rtx_e1000_tx_ring_free_resources(${self}); |
| 133 | 1461 } |
|
132
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|
1462 - } |
|
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|
1463 |
|
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|
1464 - template sequence activate_device_interruption(Ethernet::Device rtx_ether_ctx) |
|
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|
1465 - { |
|
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|
1466 - chunk ::CALL() |
| 134 | 1467 + method configure() |
| 133 | 1468 { |
|
132
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|
1469 - rtx_e1000_register_write32(&${rtx_ether_ctx}->hw_ctx, E1000_IMS, |
|
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|
1470 - E1000_INTR_TXDW | |
|
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|
1471 - E1000_INTR_TXQE | |
|
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|
1472 - E1000_INTR_LSC | |
|
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|
1473 - E1000_INTR_RXO | |
|
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|
1474 - E1000_INTR_RXT0); |
| 134 | 1475 + rtx_e1000_tx_ring_configure(${self}); |
| 1476 } | |
|
132
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|
1477 - } |
| 134 | 1478 |
|
132
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|
1479 - /* TODO: |
|
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|
1480 - * |
|
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|
1481 - * Refactor into two methods (one in RxRing and one in TxRing) and make use |
|
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|
1482 - * of the new methods in Socket::SKBuff. |
|
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|
1483 - */ |
|
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|
1484 - template sequence free_rx_tx(Ethernet::Device rtx_ether_ctx) |
|
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|
1485 - { |
|
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|
1486 - chunk ::CALL() |
| 134 | 1487 + map |
| 1488 { | |
|
132
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|
1489 - /* |
|
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|
1490 - * XXX: Not generated if named "hw_ctx" (which is funny because |
|
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|
1491 - * it's used and works in the template right above this one): |
|
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|
1492 - */ |
|
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|
1493 - ${e1000::Context.ref} hw_ctx_; |
|
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|
1494 - hw_ctx_ = &${rtx_ether_ctx}->hw_ctx; |
|
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|
1495 - |
|
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|
1496 - /* |
|
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|
1497 - * Free the rx ring: |
|
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|
1498 - * - Unmap and free the skbuffs; |
|
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|
1499 - * - Free the descriptors array. |
|
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|
1500 - */ |
|
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|
1501 - for (int i = 0; i != ${config.rx_ring_size}; ++i) |
|
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|
1502 - { |
|
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|
1503 - /* |
|
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|
1504 - * XXX Leaking casts: |
|
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|
1505 - * |
|
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|
1506 - * We should go through the rtx types (Socket::SKBuff, |
|
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|
1507 - * AbstractSKBuff), but we can't because of the array here, |
|
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|
1508 - * which is not supported by the compiler. |
|
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|
1509 - */ |
|
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|
1510 - dma_unmap_single( |
|
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|
1511 - ${rtx_ether_ctx.device}, |
|
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|
1512 - *((dma_addr_t *)&(hw_ctx_->rx_ring.skbuffs[i].dma_handle)), |
|
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|
1513 - ${config.rx_buffer_len}, |
|
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|
1514 - DMA_FROM_DEVICE); |
|
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diff
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|
1515 - dev_kfree_skb((struct sk_buff *)hw_ctx_->rx_ring.skbuffs[i].skbuff); |
|
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|
1516 - } |
|
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diff
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|
1517 - dma_free_coherent(${rtx_ether_ctx.device}, hw_ctx_->rx_ring.size, |
|
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|
1518 - hw_ctx_->rx_ring.base, hw_ctx_->rx_ring.dma_base); |
|
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diff
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|
1519 - ${Log::info("free_rx_tx: rx ring free'ed")}; |
|
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131
diff
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|
1520 - |
|
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131
diff
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|
1521 - /* |
|
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Louis Opter <kalessin@kalessin.fr>
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131
diff
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|
1522 - * Free the tx ring: |
|
f2e4dd91dc6f
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diff
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|
1523 - * - Free the descriptors array. |
|
f2e4dd91dc6f
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diff
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|
1524 - */ |
|
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diff
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|
1525 - dma_free_coherent(${rtx_ether_ctx.device}, hw_ctx_->tx_ring.size, |
|
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|
1526 - hw_ctx_->tx_ring.base, hw_ctx_->tx_ring.dma_base); |
|
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|
1527 - ${Log::info("free_rx_tx: tx ring free'ed")}; |
|
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|
1528 - } |
|
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131
diff
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|
1529 - } |
|
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131
diff
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|
1530 - |
|
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Louis Opter <kalessin@kalessin.fr>
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diff
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|
1531 - template sequence handle_interrupt(Ethernet::Device rtx_ether_ctx) |
|
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|
1532 - { |
|
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131
diff
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|
1533 - chunk ::CALL() |
|
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diff
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|
1534 - { |
|
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|
1535 - unsigned int icr = rtx_e1000_register_read32(&${rtx_ether_ctx}->hw_ctx, E1000_ICR); |
|
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|
1536 - pr_info("%s: interrupt received, ICR: 0x%x", ${config.name}, icr); |
|
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|
1537 - if (icr) |
|
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|
1538 - { |
|
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|
1539 - if (icr & E1000_INTR_LSC) |
|
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|
1540 - { |
|
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|
1541 - ${Log::info("handle_interrupt: cable link status changed, dumping card status:")}; |
|
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|
1542 - ${e1000::print_status(rtx_ether_ctx)}; |
|
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|
1543 - } |
|
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|
1544 - if (icr & (E1000_INTR_TXQE|E1000_INTR_TXDW)) |
|
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|
1545 - { |
|
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|
1546 - ${Log::info("handle_interrupt: TxRing: packet(s) sent")}; |
|
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|
1547 - /* |
|
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|
1548 - * XXX Do a Rathaxes call (how can I bind |
|
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|
1549 - * "&${rtx_ether_ctx}->hw_ctx.tx_ring" to e1000::TxRing easily?) |
|
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|
1550 - */ |
|
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|
1551 - rtx_e1000_tx_ring_clean(&${rtx_ether_ctx}->hw_ctx.tx_ring); |
|
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|
1552 - } |
|
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|
1553 - if (icr & E1000_INTR_RXT0) |
|
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|
1554 - { |
|
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|
1555 - ${Log::info("handle_interrupt: RxRing: packet(s) received")}; |
|
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|
1556 - } |
|
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|
1557 - if (icr & E1000_INTR_RXO) |
|
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|
1558 - { |
|
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|
1559 - ${Log::info("handle_interrupt: RxRing: overrun")}; |
|
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|
1560 - } |
|
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Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1561 - |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1562 - return IRQ_HANDLED; |
| 133 | 1563 - } |
| 1564 - } | |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1565 - } |
| 133 | 1566 - |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1567 - template sequence e1000::xmit(Ethernet::Device rtx_ether_ctx, Socket::AbstractSKBuff kernel_skb) |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1568 - { |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1569 - chunk ::CALL() |
| 133 | 1570 - { |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1571 - /* |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1572 - * Put packets on the TX ring, must return NETDEV_TX_OK or |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1573 - * NETDEV_TX_BUSY. |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1574 - */ |
| 133 | 1575 - |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1576 - ${Socket::SKBuff} skb; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1577 - ${e1000::Context.ref} hw_ctx; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1578 - ${e1000::TxRing.ref} tx_ring; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1579 - ${Device::AbstractDevice.ref} devp; |
| 133 | 1580 - |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1581 - ${local.skb.init(kernel_skb)}; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1582 - hw_ctx = &${rtx_ether_ctx}->hw_ctx; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1583 - tx_ring = &hw_ctx->tx_ring; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1584 - devp = (${Device::AbstractDevice.ref})${rtx_ether_ctx.device}; |
| 133 | 1585 - |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1586 - ${Log::info("xmit: skbuff details:")}; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1587 - /* |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1588 - * skb does not expand on the bound C variable (should be |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1589 - * rtx_skbuff), which is funny because it works for the |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1590 - * sequence template call right after. |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1591 - */ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1592 - /* |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1593 - * XXX: doesn't work (I tried to pass self explicitely too): |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1594 - * ${local.skb.dump_infos()}; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1595 - */ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1596 - rtx_socket_skbuff_dump_infos(&skb); |
| 133 | 1597 - |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1598 - /* |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1599 - * The transmission is going to be several steps: |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1600 - * 1. TCP Segmentation Offload & Checksum Offloading: pick a |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1601 - * descriptor from the tx ring and fill it as a context |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1602 - * descriptor to allow the card to slice into several packets |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1603 - * according to the MSS; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1604 - * 2. DMA Map the skbuff data as slices of 4096; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1605 - * 3. Signal the hardware that data is available via a tx desc. |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1606 - */ |
| 133 | 1607 - |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1608 - /* XXX: same thing wanted to use: ${local.tx_ring.descriptors_remaining()} */ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1609 - if (!rtx_e1000_tx_ring_descriptors_remaining(tx_ring)) |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1610 - return NETDEV_TX_BUSY; |
| 133 | 1611 - |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1612 - /* 1. Offloading */ |
| 133 | 1613 - |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1614 - /* XXX: ${local.tx_ring.tso_cksum_offload(skb)}; */ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1615 - if (rtx_e1000_tx_ring_tso_cksum_offload(tx_ring, &skb)) |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1616 - { |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1617 - ${Log::info("xmit: the packet needs to be fragmented and/or checksummed but this not implemented yet!")}; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1618 - goto err_offload; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1619 - } |
| 133 | 1620 - |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1621 - /* 2. Map the data */ |
| 133 | 1622 - |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1623 - /* XXX: ${local.skb.map_to(devp.k_device)}; */ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1624 - if (rtx_socket_skbuff_map(&skb, ${devp.k_device}, DMA_TO_DEVICE)) |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1625 - { |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1626 - ${Log::info("xmit: can't DMA map a SKbuff")}; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1627 - goto err_skb_map_to; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1628 - } |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1629 - |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1630 - /* 3. Update the TX Ring and signal the hardware */ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1631 - |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1632 - /* XXX: ${local.tx_ring.put(skb)}; */ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1633 - rtx_e1000_tx_ring_put(tx_ring, &skb); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1634 - |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1635 - /* XXX: ${local.tx_ring.start_xmit(hw_ctx)}; */ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1636 - rtx_e1000_tx_ring_start_xmit(tx_ring, hw_ctx); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1637 - |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1638 - return NETDEV_TX_OK; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1639 - |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1640 - err_offload: |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1641 - err_skb_map_to: |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1642 - /* XXX: ${local.skb.unmap_to_and_free(local.dev)}; */ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1643 - rtx_socket_skbuff_unmap_and_free(&skb, ${devp.k_device}, DMA_TO_DEVICE); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1644 - return NETDEV_TX_OK; |
| 138 | 1645 + hw_ctx: ${self}->ring.hw_ctx; |
| 1646 + dma: ${self}->ring.dma; | |
| 1647 + size: ${self}->ring.size; | |
| 1648 + descs: ${self}->ring.descs; | |
| 1649 + buffs: ${self}->ring.buffs; | |
| 1650 + desc_size: sizeof(rtxType_e1000_TxDescriptor); // XXX hardcoded | |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1651 } |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1652 } |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1653 } |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1654 diff --git a/rathaxes/samples/e1000/e1000.rti b/rathaxes/samples/e1000/e1000.rti |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1655 --- a/rathaxes/samples/e1000/e1000.rti |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1656 +++ b/rathaxes/samples/e1000/e1000.rti |
| 136 | 1657 @@ -1,157 +1,125 @@ |
| 133 | 1658 -interface e1000 : Socket, Ethernet, DMA, PCI, LKM, Builtin |
| 1659 +interface e1000 : Socket, Ethernet, Device, DMA, PCI, LKM, Builtin | |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1660 { |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1661 - required variable Builtin::number rx_ring_size; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1662 - required variable Builtin::number tx_ring_size; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1663 - required variable Builtin::number rx_buffer_len; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1664 - required variable Builtin::number tx_max_data_per_desc; |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
1665 + required variable Builtin::number rx_ring_size; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
1666 + required variable Builtin::number tx_ring_size; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
1667 + required variable Builtin::number rx_buffer_len; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
1668 + required variable Builtin::number tx_max_data_per_desc; |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1669 |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1670 - provided type RxDescriptor |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
1671 + // Hardware values/data structures, should probably be in the front-end: |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
1672 + provided type Register { decl data_types(); } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
1673 + provided type Command { decl data_types(); } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
1674 + provided type TxDescriptorFlag { decl data_types(); } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
1675 + provided type RxDescriptor { decl data_types(); } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
1676 + provided type TxDescriptor { decl data_types(); } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
1677 + |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
1678 + provided type Buffer |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1679 { |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1680 - chunk LKM::includes(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
1681 decl data_types(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
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parents:
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|
1682 - method init(); |
|
131
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1683 + |
|
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|
1684 + method init(Socket::SKBuff, DMA::DMAHandle); |
|
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|
1685 + |
|
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1686 + attribute Socket::SKBuff.ref sk_buff; |
|
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1687 + attribute DMA::DMAHandle.ref dma; |
|
132
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1688 } |
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1689 |
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|
1690 - provided type TxDescriptor |
| 133 | 1691 + provided type Context |
|
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1692 { |
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1693 decl data_types(); |
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1694 - method init(); |
|
131
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1695 + |
| 133 | 1696 + chunk LKM::includes(); |
|
131
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1697 + chunk LKM::prototypes(); |
|
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|
1698 + chunk LKM::code(); |
| 133 | 1699 + chunk Ethernet::HardwareContext(); |
| 1700 + | |
| 1701 + // NOTE: Those callbacks/hooks should probably be in the front-end: | |
| 1702 + | |
| 1703 + chunk Ethernet::adapter_init_context(Ethernet::Device, Builtin::symbol); | |
| 1704 + chunk Ethernet::adapter_reset(Ethernet::Device); | |
| 1705 + chunk Ethernet::adapter_load_mac_address(Ethernet::Device); | |
| 1706 + chunk Ethernet::adapter_setup_rx_tx(Ethernet::Device); | |
| 1707 + chunk Ethernet::adapter_enable_interrupts(Ethernet::Device); | |
| 1708 + chunk Ethernet::adapter_disable_interrupts(Ethernet::Device); | |
| 1709 + chunk Ethernet::adapter_handle_interrupt(Ethernet::Device); | |
| 1710 + chunk Ethernet::adapter_xmit(Ethernet::Device, Socket::SKBuff); | |
| 1711 + chunk Ethernet::adapter_disable_rx(Ethernet::Device); | |
| 1712 + chunk Ethernet::adapter_disable_tx(Ethernet::Device); | |
| 1713 + chunk Ethernet::adapter_free_rx_tx(Ethernet::Device); | |
|
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1714 + |
| 134 | 1715 + method init(Ethernet::Device net_dev, Builtin::symbol); |
| 133 | 1716 + method print_status(); |
| 1717 + method reg_read32(Register); | |
| 1718 + method reg_write32(Register, Builtin::number); | |
| 1719 + method reg_set32(Register, Builtin::number); | |
| 1720 + method reg_unset32(Register, Builtin::number); | |
|
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1721 + |
| 133 | 1722 + // XXX: Circular dependency with the rings, this will prevent us to |
| 136 | 1723 + // call methods even when issue $46 is resolved, it also forces us to |
| 1724 + // hardcode generated types in the definition of the type, and they | |
| 1725 + // can't be "dereferenced" (e.g: local.hw_ctx.rx_ring.desc_size can't | |
| 1726 + // work since local.hw_ctx.rx_ring is just going to be a symbol). | |
| 133 | 1727 + attribute Builtin::symbol.scalar rx_ring; |
| 1728 + attribute Builtin::symbol.scalar tx_ring; | |
|
137
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1729 + attribute Builtin::symbol.ref io_addr; |
| 133 | 1730 + attribute Ethernet::Device.ref net_dev; |
|
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1731 + } |
|
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|
1732 + |
|
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|
1733 + provided type Ring |
|
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|
1734 + { |
|
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|
1735 + decl data_types(); |
|
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|
1736 + |
|
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|
1737 + chunk LKM::prototypes(); |
|
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|
1738 + chunk LKM::code(); |
|
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1739 + |
| 134 | 1740 + method init(e1000::Context, Builtin::number, Builtin::number); |
|
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1741 + |
| 133 | 1742 + // Keep a backref to The context since it's going to be needed for of |
| 1743 + // operations involving the ethernet device, flags on the context, etc. | |
| 1744 + attribute Context.ref hw_ctx; | |
| 1745 + attribute DMA::DMAHandle.scalar dma; | |
|
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1746 + attribute Builtin::number.scalar size; // Total size in bytes |
|
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1747 + attribute Builtin::symbol.ref descs; |
|
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|
1748 + attribute Buffer.ref buffs; |
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|
1749 } |
|
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|
1750 |
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|
1751 provided type RxRing |
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|
1752 { |
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|
1753 decl data_types(); |
|
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|
1754 - method init(); |
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1755 |
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|
1756 - /* XXX: Callback that should be in the front-end: */ |
|
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|
1757 - chunk Ethernet::adapter_init_rx(Ethernet::Device); |
|
131
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|
1758 + chunk LKM::prototypes(); |
|
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|
1759 + chunk LKM::code(); |
|
132
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|
1760 |
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|
1761 - attribute DMA::DMAHandle.scalar dma_base; |
| 133 | 1762 + method init(e1000::Context, Builtin::number); |
|
131
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1763 + method alloc(); // Returns != 0 on failure |
| 133 | 1764 + method free(); |
| 1765 + method configure(); | |
|
131
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|
1766 + |
| 133 | 1767 + // Re-expose all the Ring attributes + the size of a single descriptor: |
| 1768 + attribute Context.ref hw_ctx; | |
| 1769 + attribute DMA::DMAHandle.scalar dma; | |
| 1770 attribute Builtin::number.scalar size; | |
| 1771 - } | |
| 1772 - | |
| 1773 - provided type Context | |
| 1774 - { | |
|
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|
1775 - chunk Ethernet::HardwareContext(); |
| 133 | 1776 - decl data_types(); |
| 1777 - | |
|
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|
1778 - /* XXX: |
|
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|
1779 - * These callbacks/Hooks which should probably be in the front-end. |
|
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|
1780 - * Also, I'm not too happy about the names, it's difficult to make |
|
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|
1781 - * the difference between the probe and open parts. |
|
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|
1782 - */ |
|
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|
1783 - chunk Ethernet::adapter_init_context(Ethernet::Device, |
|
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|
1784 - Builtin::number, |
|
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|
1785 - Builtin::symbol); |
| 133 | 1786 - chunk Ethernet::adapter_reset(Ethernet::Device); |
| 1787 - chunk Ethernet::adapter_load_mac_address(Ethernet::Device); | |
|
132
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|
1788 - chunk Ethernet::adapter_setup(Ethernet::Device); |
| 133 | 1789 - |
| 1790 - attribute RxRing.scalar rx_ring; | |
|
132
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|
1791 - /* XXX: circular dependency with Contex: */ |
|
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|
1792 - //attribute TxRing.scalar tx_ring; |
| 136 | 1793 + attribute RxDescriptor.ref descs; |
| 133 | 1794 + attribute Builtin::number.scalar desc_size; |
| 134 | 1795 + attribute Buffer.ref buffs; |
| 133 | 1796 } |
| 1797 | |
| 1798 provided type TxRing | |
| 1799 { | |
| 1800 + decl data_types(); | |
| 1801 + | |
| 1802 chunk LKM::prototypes(); | |
| 1803 chunk LKM::code(); | |
|
132
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diff
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|
1804 - decl data_types(); |
|
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|
1805 - method init(); |
| 133 | 1806 |
|
132
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|
1807 - /* XXX: Callback that should be in the front-end: */ |
|
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131
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|
1808 - chunk Ethernet::adapter_init_tx(Ethernet::Device); |
| 133 | 1809 + method init(e1000::Context, Builtin::number); |
| 1810 + method alloc(); // Returns != 0 on failure | |
| 1811 + method free(); | |
| 1812 + method configure(); | |
| 1813 | |
|
132
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|
1814 - /* Clean the ring (i.e: move the head closer to the tail): */ |
|
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|
1815 - method clean(); |
|
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|
1816 - /* Return the number of clean descriptors left in the ring: */ |
|
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|
1817 - method descriptors_remaining(); |
|
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|
1818 - method tso_cksum_offload(Socket::SKBuff); |
|
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|
1819 - method put(Socket::SKBuff); |
|
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|
1820 - /* Signal the device that new dirty descriptors are on the ring: */ |
|
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|
1821 - method start_xmit(e1000::Context); |
|
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|
1822 - } |
|
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|
1823 - |
|
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|
1824 - /* |
|
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|
1825 - * These two types should actually be registers definitions in the frontend: |
|
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|
1826 - */ |
|
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|
1827 - provided type Register |
|
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1828 - { |
|
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|
1829 - decl data_types(); |
|
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|
1830 - method init(Builtin::number); |
|
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|
1831 - } |
|
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|
1832 - |
|
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|
1833 - provided type Commands |
|
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1834 - { |
|
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|
1835 - decl data_types(); |
|
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1836 - } |
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1837 - |
|
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|
1838 - provided type TxDescriptorFlags |
|
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1839 - { |
|
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|
1840 - decl data_types(); |
|
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1841 - } |
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1842 - |
|
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1843 - /* |
|
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1844 - * This should take an e1000::Context as the first argument but this was |
|
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|
1845 - * not working as wished. |
|
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1846 - */ |
|
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1847 - provided sequence print_status(Ethernet::Device) |
|
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1848 - { |
|
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1849 - provided chunk LKM::prototypes(); |
|
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1850 - provided chunk LKM::code(); |
|
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1851 - provided chunk ::CALL(); |
|
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1852 - } |
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1853 - |
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1854 - provided sequence activate_device_interruption(Ethernet::Device) |
|
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1855 - { |
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1856 - provided chunk ::CALL(); |
|
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1857 - } |
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1858 - |
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1859 - provided sequence set_up_device(Ethernet::Device) |
|
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1860 - { |
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1861 - provided chunk ::CALL(); |
|
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1862 - } |
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1863 - |
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1864 - provided sequence free_rx_tx(Ethernet::Device dev) |
|
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1865 - { |
|
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1866 - provided chunk ::CALL(); |
|
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1867 - } |
|
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1868 - |
|
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1869 - provided sequence handle_interrupt(Ethernet::Device) |
|
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1870 - { |
|
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1871 - provided chunk ::CALL(); |
|
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1872 - } |
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1873 - |
|
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1874 - provided sequence xmit(Ethernet::Device, Socket::AbstractSKBuff) |
|
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1875 - { |
|
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1876 - provided chunk ::CALL(); |
|
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1877 - } |
|
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1878 - |
|
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1879 - provided sequence register_read32(e1000::Context, e1000::Register) |
|
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1880 - { |
|
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1881 - provided chunk LKM::prototypes(); |
|
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1882 - provided chunk LKM::code(); |
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1883 - provided chunk ::CALL(); |
|
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1884 - } |
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1885 - |
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1886 - provided sequence register_write32(e1000::Context, e1000::Register, ::number) |
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1887 - { |
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1888 - provided chunk LKM::prototypes(); |
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1889 - provided chunk LKM::code(); |
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1890 - provided chunk ::CALL(); |
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1891 - } |
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1892 - |
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1893 - provided sequence register_set32(e1000::Context, e1000::Register, ::number) |
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1894 - { |
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1895 - provided chunk LKM::prototypes(); |
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1896 - provided chunk LKM::code(); |
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1897 - provided chunk ::CALL(); |
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1898 - } |
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1899 - |
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1900 - provided sequence register_unset32(e1000::Context, e1000::Register, ::number) |
|
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1901 - { |
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1902 - provided chunk LKM::prototypes(); |
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1903 - provided chunk LKM::code(); |
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1904 - provided chunk ::CALL(); |
| 133 | 1905 + // Re-expose all the Ring attributes + the size of a single descriptor: |
| 1906 + attribute Context.ref hw_ctx; | |
| 1907 + attribute DMA::DMAHandle.scalar dma; | |
| 1908 + attribute Builtin::number.scalar size; | |
| 136 | 1909 + attribute TxDescriptor.ref descs; |
| 133 | 1910 + attribute Builtin::number.scalar desc_size; |
| 134 | 1911 + attribute Buffer.ref buffs; |
|
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1912 } |
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1913 } |
|
131
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1914 diff --git a/rathaxes/samples/e1000/ethernet.blt b/rathaxes/samples/e1000/ethernet.blt |
|
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|
1915 --- a/rathaxes/samples/e1000/ethernet.blt |
|
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1916 +++ b/rathaxes/samples/e1000/ethernet.blt |
|
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1917 @@ -1,4 +1,4 @@ |
|
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1918 -with Ethernet, PCI, LKM, Log, Builtin |
|
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1919 +with Ethernet, Socket, PCI, LKM, Log, Builtin |
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1920 { |
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1921 template type Ethernet::ProtocolId() |
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1922 { |
| 133 | 1923 @@ -9,7 +9,7 @@ |
| 1924 | |
| 1925 chunk LKM::prototypes() | |
| 1926 { | |
| 1927 - static const char *rtx_ethernet_protocol_id_to_str(unsigned short); | |
| 1928 + static const char *rtx_ethernet_protocol_id_to_str(unsigned short); | |
| 1929 } | |
| 1930 | |
| 1931 chunk LKM::data() | |
| 1932 @@ -28,7 +28,7 @@ | |
| 1933 | |
| 1934 chunk LKM::code() | |
| 1935 { | |
| 1936 - static const char *rtx_ethernet_protocol_id_to_str(unsigned short proto_id) | |
| 1937 + static const char *rtx_ethernet_protocol_id_to_str(unsigned short proto_id) | |
| 1938 { | |
| 1939 for (int i = 0; | |
| 1940 i != sizeof(rtx_ethernet_proto_table) / sizeof(rtx_ethernet_proto_table[0]); | |
|
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1941 @@ -61,7 +61,7 @@ |
|
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1942 |
|
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1943 method init(Builtin::symbol dev) |
|
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1944 { |
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1945 - ${self} = (${Ethernet::AbstractDevice} *)${dev}; |
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1946 + ${self} = (${Ethernet::AbstractDevice.ref})${dev}; |
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1947 } |
|
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1948 |
|
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1949 map |
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1950 @@ -104,9 +104,12 @@ |
|
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1951 { |
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1952 static int rtx_ethernet_alloc_rx_skbuff(${Ethernet::Device.ref} self, ${Socket::SKBuff.ref} sk_buff, ${Builtin::number} size) |
|
131
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1953 { |
|
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1954 - ${Socket::AbstractSKBuff} k_sk_buff = netdev_alloc_skb(${local.self.net_device.k_net_dev}, ${local.size}); |
|
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1955 - if (${local.k_sk_buff) { |
|
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1956 - ${local.sk_buff.init(local.k_sk_buff, local.size)}; |
|
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1957 + ${Socket::AbstractSKBuff.ref} k_skb = netdev_alloc_skb(${local.self.net_device.k_net_dev}, ${local.size}); |
|
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1958 + if (${local.k_skb}) { |
|
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1959 + // XXX meh, can't use the init method since we get a copy |
|
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1960 + // of the pointer, so we have to do this which is |
|
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1961 + // inconsistent with the rest of code: |
|
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1962 + sk_buff->skbuff = k_skb; |
|
131
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|
1963 return 0; |
|
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|
1964 } |
|
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1965 return 1; |
|
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1966 @@ -148,7 +151,7 @@ |
|
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1967 } |
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|
1968 } |
|
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1969 |
|
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1970 - template sequence Ethernet::open(Ethernet::Device dev) |
|
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1971 + template sequence Ethernet::open() |
|
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1972 { |
|
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|
1973 chunk LKM::includes() |
|
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|
1974 { |
| 138 | 1975 @@ -157,100 +160,115 @@ |
| 133 | 1976 |
| 1977 chunk LKM::prototypes() | |
|
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1978 { |
| 133 | 1979 - static int rtx_ethernet_open(struct net_device *); |
| 1980 + static int rtx_ethernet_open(struct net_device *); | |
| 1981 } | |
| 1982 | |
| 1983 chunk LKM::code() | |
| 1984 { | |
| 1985 - static int rtx_ethernet_open(struct net_device *dev) | |
| 1986 + static int rtx_ethernet_open(struct net_device *dev) | |
|
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1987 { |
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1988 - /* |
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1989 - * XXX The casts are here because the compiler doesn't resolve |
|
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1990 - * "enclosed" type (e.g: local.var.enclosed) correctly. |
|
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|
1991 - */ |
|
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|
1992 ${Ethernet::AbstractDevice.ref} rtx_net_dev; |
| 138 | 1993 - { /* XXX: I end up with a placeholder if I don't open a scope */ |
| 1994 - ${local.rtx_net_dev.init(local.dev)}; | |
| 1995 - } | |
| 1996 + ${local.rtx_net_dev.init(local.dev)}; | |
|
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1997 ${Ethernet::Device.ref} rtx_ether_ctx = ${local.rtx_net_dev.rtx_ether_ctx}; |
|
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|
1998 |
|
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1999 - int error; |
|
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2000 - { |
|
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2001 - ${Log::info("installing the interrupt handler")}; |
|
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2002 - } |
|
131
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2003 - error = request_irq(${local.rtx_ether_ctx.irq}, |
|
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2004 - rtx_ethernet_interrupt_handler, |
|
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2005 - IRQF_SHARED, |
|
c209851a82de
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2006 - ${config.name}, |
|
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2007 - dev); |
|
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2008 - if (error) |
|
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2009 - { |
|
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2010 + ${pointcut Ethernet::adapter_setup_rx_tx(local.rtx_ether_ctx)}; |
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2011 + |
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|
2012 + ${Log::info("Installing the interrupt handler")}; |
|
131
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2013 + int error = request_irq( |
|
c209851a82de
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|
2014 + ${local.rtx_ether_ctx.irq}, |
|
c209851a82de
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|
2015 + rtx_ethernet_interrupt_handler, |
|
c209851a82de
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2016 + IRQF_SHARED, |
|
c209851a82de
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|
2017 + ${config.name}, |
|
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|
2018 + dev |
|
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|
2019 + ); |
|
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|
2020 + if (error) { |
|
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|
2021 ${Log::info("Cannot register the interrupt handler")}; |
|
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|
2022 return error; |
|
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|
2023 } |
|
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|
2024 - ${pointcut Ethernet::adapter_setup(local.rtx_ether_ctx)}; |
|
c209851a82de
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|
2025 - ${pointcut Ethernet::adapter_init_rx(local.rtx_ether_ctx)}; |
|
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|
2026 - ${pointcut Ethernet::adapter_init_tx(local.rtx_ether_ctx)}; |
|
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2027 - ${pointcut ::IMPLEMENTATION(local.rtx_ether_ctx)}; |
|
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2028 + |
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|
2029 + ${pointcut Ethernet::adapter_enable_interrupts(local.rtx_ether_ctx)}; |
| 138 | 2030 + |
| 2031 + return 0; | |
| 2032 + | |
| 2033 + rtx_ethernet_open_fail: | |
| 2034 + return -EIO; // XXX Probably not appropriate. | |
| 2035 + } | |
| 2036 + } | |
|
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|
2037 + |
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2038 + /* XXX This chunk should be removed (see #26) */ |
|
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|
2039 + chunk ::CALL() |
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2040 + { |
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2041 + } |
| 138 | 2042 + } |
| 2043 + | |
|
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|
2044 + template sequence Ethernet::send() |
| 138 | 2045 + { |
| 2046 + chunk LKM::prototypes() | |
| 2047 + { | |
| 133 | 2048 + static int rtx_ethernet_xmit(struct sk_buff *skb, struct net_device *dev); |
| 138 | 2049 + } |
| 2050 + | |
| 2051 + chunk LKM::code() | |
| 2052 + { | |
| 133 | 2053 + static int rtx_ethernet_xmit(struct sk_buff *k_skb, struct net_device *net_dev) |
| 138 | 2054 + { |
| 2055 + ${Ethernet::Device.ref} rtx_ether_ctx = netdev_priv(net_dev); | |
|
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|
2056 + ${Socket::SKBuff.ref} rtx_skb; |
| 138 | 2057 + |
|
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|
2058 + ${cast local.k_skb as Socket::AbstractSKBuff.ref}; |
|
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|
2059 + ${local.rtx_skb.init(local.k_skb)}; |
|
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|
2060 + |
|
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|
2061 + ${Log::info("we have one packet to transmit!")}; |
|
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|
2062 + ${pointcut Ethernet::adapter_xmit(local.rtx_ether_ctx, local.rtx_skb)}; |
| 138 | 2063 + } |
| 2064 + } | |
|
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|
2065 + |
|
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|
2066 + /* XXX This chunk should be removed (see #26) */ |
|
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|
2067 + chunk ::CALL() |
|
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|
2068 + { |
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|
2069 + } |
| 138 | 2070 + } |
| 2071 + | |
|
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|
2072 + template sequence Ethernet::close() |
| 138 | 2073 + { |
| 2074 + chunk LKM::prototypes() | |
| 2075 + { | |
| 133 | 2076 + static int rtx_ethernet_close(struct net_device *); |
| 138 | 2077 + } |
| 2078 + | |
| 2079 + chunk LKM::code() | |
| 2080 + { | |
| 133 | 2081 + static int rtx_ethernet_close(struct net_device *net_dev) |
| 138 | 2082 + { |
|
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|
2083 + ${cast local.net_dev as Ethernet::AbstractDevice.ref}; |
|
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|
2084 + ${Ethernet::Device.ref} rtx_ether_ctx = ${local.net_dev.rtx_ether_ctx}; |
| 138 | 2085 + |
|
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|
2086 + ${pointcut Ethernet::adapter_disable_rx(local.rtx_ether_ctx)}; |
| 138 | 2087 + |
|
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|
2088 + netif_tx_disable(net_dev); |
|
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|
2089 + ${pointcut Ethernet::adapter_disable_tx(local.rtx_ether_ctx)}; |
| 138 | 2090 + |
|
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|
2091 + ${pointcut Ethernet::adapter_disable_interrupts(local.rtx_ether_ctx)}; |
| 138 | 2092 + free_irq(${local.rtx_ether_ctx.irq}, dev); |
|
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|
2093 + ${Log::info("interrupt handler free'ed")}; |
|
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|
2094 + |
|
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|
2095 + // TODO/XXX: There is definitely more stuff to do around here |
|
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|
2096 + // (e.g: clean the rings, flush some stuff...) |
|
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|
2097 + |
|
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|
2098 + ${pointcut Ethernet::adapter_reset(local.rtx_ether_ctx)}; |
|
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|
2099 + ${pointcut Ethernet::adapter_free_rx_tx(local.rtx_ether_ctx)}; |
|
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2100 |
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|
2101 return 0; |
|
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|
2102 } |
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|
2103 } |
| 138 | 2104 - } |
| 2105 | |
| 2106 - template sequence Ethernet::send(Ethernet::Device dev, Socket::AbstractSKBuff skb) | |
| 2107 - { | |
| 2108 - chunk LKM::prototypes() | |
|
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2109 + /* XXX This chunk should be removed (see #26) */ |
|
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|
2110 + chunk ::CALL() |
| 138 | 2111 { |
| 2112 - static int rtx_ethernet_xmit(struct sk_buff* skb, struct net_device *dev); | |
| 2113 - } | |
| 2114 - | |
| 2115 - chunk LKM::code() | |
| 2116 - { | |
| 2117 - static int rtx_ethernet_xmit(struct sk_buff* kernel_skb, struct net_device *net_dev) | |
| 2118 - { | |
| 2119 - ${Ethernet::Device.ref} rtx_ether_ctx = netdev_priv(net_dev); | |
| 2120 - ${Socket::AbstractSKBuff.ref} rtx_skb = (${Socket::AbstractSKBuff.ref}) kernel_skb; | |
| 2121 - | |
| 2122 - ${pointcut ::IMPLEMENTATION(local.rtx_ether_ctx, local.rtx_skb)}; | |
| 2123 - } | |
| 2124 } | |
|
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2125 } |
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|
2126 |
| 138 | 2127 - template sequence Ethernet::close(Ethernet::Device dev) |
| 2128 - { | |
| 2129 - chunk LKM::prototypes() | |
| 2130 - { | |
| 2131 - static int rtx_ethernet_close(struct net_device *); | |
| 2132 - } | |
| 2133 - | |
| 2134 - chunk LKM::code() | |
| 2135 - { | |
| 2136 - static int rtx_ethernet_close(struct net_device *dev) | |
| 2137 - { | |
| 2138 - ${Ethernet::AbstractDevice.ref} rtx_net_dev; | |
| 2139 - { /* XXX: I end up with a placeholder if I don't open a scope */ | |
| 2140 - ${local.rtx_net_dev.init(local.dev)}; | |
| 2141 - } | |
| 2142 - | |
| 2143 - ${Ethernet::Device.ref} rtx_ether_ctx = ${local.rtx_net_dev.rtx_ether_ctx}; | |
| 2144 - | |
| 2145 - /* TODO: change this pointcut into a pointcut/adapter/callback: */ | |
| 2146 - { | |
| 2147 - ${pointcut ::IMPLEMENTATION(local.rtx_ether_ctx)}; | |
| 2148 - } | |
| 2149 - | |
| 2150 - free_irq(${local.rtx_ether_ctx.irq}, dev); | |
| 2151 - { | |
| 2152 - ${Log::info("interrupt handler free'ed")}; | |
| 2153 - } | |
| 2154 - | |
| 2155 - return 0; | |
| 2156 - } | |
| 2157 - } | |
| 2158 - } | |
| 2159 - | |
|
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2160 - template sequence Ethernet::interrupt_handler(Ethernet::Device dev) |
|
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2161 + template sequence Ethernet::interrupt_handler() |
|
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2162 { |
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2163 /* |
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2164 * We can't use the irqreturn_t type here because CNornm doesn't know |
| 138 | 2165 @@ -258,29 +276,34 @@ |
| 133 | 2166 */ |
| 2167 chunk LKM::prototypes() | |
| 2168 { | |
| 2169 - static enum irqreturn rtx_ethernet_interrupt_handler(int, void *); | |
| 2170 + static enum irqreturn rtx_ethernet_interrupt_handler(int, void *); | |
| 2171 } | |
| 2172 | |
| 2173 chunk LKM::code() | |
| 2174 { | |
| 2175 - static enum irqreturn rtx_ethernet_interrupt_handler(int irq, void *dev_id) | |
| 2176 + static enum irqreturn rtx_ethernet_interrupt_handler(int irq, void *dev_id) | |
| 2177 { | |
| 2178 ${Ethernet::AbstractDevice.ref} rtx_net_dev = dev_id; | |
|
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Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2179 ${Ethernet::Device.ref} rtx_ether_ctx; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
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|
2180 rtx_ether_ctx = ${local.rtx_net_dev.rtx_ether_ctx}; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2181 |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
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diff
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|
2182 - ${pointcut ::IMPLEMENTATION(local.rtx_ether_ctx)}; |
|
132
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|
2183 + ${pointcut Ethernet::adapter_handle_interrupt(local.rtx_ether_ctx)}; |
|
131
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Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2184 |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
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|
2185 return IRQ_NONE; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
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parents:
diff
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|
2186 } |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
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diff
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|
2187 } |
|
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Wip, leave some "functions" empty but start some build tests
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131
diff
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|
2188 + |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
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131
diff
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|
2189 + /* XXX This chunk should be removed (see #26) */ |
|
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diff
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|
2190 + chunk ::CALL() |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
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diff
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|
2191 + { |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
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131
diff
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|
2192 + } |
|
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Wip, leave some "functions" empty but start some build tests
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|
2193 } |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
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|
2194 |
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diff
changeset
|
2195 template sequence Ethernet::init() |
| 133 | 2196 { |
| 2197 chunk LKM::data() | |
| 2198 { | |
| 2199 - static const struct net_device_ops rtx_ether_ops = | |
| 2200 + static const struct net_device_ops rtx_ether_ops = | |
| 2201 { | |
| 2202 .ndo_open = rtx_ethernet_open, | |
| 2203 .ndo_stop = rtx_ethernet_close, | |
| 138 | 2204 @@ -288,74 +311,65 @@ |
|
137
8bbdb488f6fe
Wip, cleaning up the probe function
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|
2205 }; |
|
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Wip, cleaning up the probe function
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136
diff
changeset
|
2206 } |
|
8bbdb488f6fe
Wip, cleaning up the probe function
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parents:
136
diff
changeset
|
2207 |
|
8bbdb488f6fe
Wip, cleaning up the probe function
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136
diff
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|
2208 - /* |
|
8bbdb488f6fe
Wip, cleaning up the probe function
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136
diff
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|
2209 - * NOTE: for now, the error handling is leaking from PCI::probe(), but |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
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136
diff
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|
2210 - * it's better than doing it at all. |
|
8bbdb488f6fe
Wip, cleaning up the probe function
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136
diff
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|
2211 - * |
|
8bbdb488f6fe
Wip, cleaning up the probe function
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parents:
136
diff
changeset
|
2212 - * XXX: the chunk argument isn't correctly expanded by the |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2213 - * compiler I have to use the same name as the actual C |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2214 - * variable: |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
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136
diff
changeset
|
2215 - */ |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2216 + // NOTE: for now, the error handling is leaking from PCI::probe(), but |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2217 + // it's better than not doing it at all. |
|
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Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
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136
diff
changeset
|
2218 + // |
|
8bbdb488f6fe
Wip, cleaning up the probe function
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parents:
136
diff
changeset
|
2219 + // XXX: the chunk argument isn't correctly expanded by the compiler I |
|
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Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2220 + // have to use the same name as the actual C variable: |
| 133 | 2221 chunk PCI::pci_probe_hook(PCI::Device rtx_pci_dev) |
| 2222 { | |
| 2223 - ${Ethernet::AbstractDevice.ref} rtx_net_dev; | |
| 2224 - ${Ethernet::Device.ref} rtx_ether_ctx; | |
| 2225 + { | |
| 2226 + ${Ethernet::AbstractDevice.ref} rtx_net_dev; | |
| 2227 + ${Ethernet::Device.ref} rtx_ether_ctx; | |
| 2228 | |
| 2229 - rtx_net_dev = (${Ethernet::AbstractDevice.ref})alloc_etherdev(sizeof(*rtx_ether_ctx)); | |
| 2230 - if (!rtx_net_dev) | |
| 2231 - { | |
| 2232 - ${Log::info("cannot allocate the ethernet device context")}; | |
| 2233 - error = -ENOMEM; | |
| 2234 - goto fail; | |
| 2235 + rtx_net_dev = (${Ethernet::AbstractDevice.ref})alloc_etherdev(sizeof(*rtx_ether_ctx)); | |
| 2236 + if (!rtx_net_dev) | |
| 2237 + { | |
| 2238 + ${Log::info("cannot allocate the ethernet device context")}; | |
| 2239 + error = -ENOMEM; | |
| 2240 + goto fail; | |
| 2241 + } | |
|
137
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2242 + // XXX Past this point we should have another label to do |
|
8bbdb488f6fe
Wip, cleaning up the probe function
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parents:
136
diff
changeset
|
2243 + // free_netdev(rtx_net_dev) in case of failure but we don't |
|
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Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2244 + // have a nice way of doing that. |
| 133 | 2245 + SET_NETDEV_DEV(${local.rtx_net_dev.k_net_dev}, ${rtx_pci_dev.device}); |
| 2246 + strlcpy(${local.rtx_net_dev.k_net_dev}->name, | |
| 2247 + ${config.ifname}, | |
| 2248 + sizeof(${local.rtx_net_dev.k_net_dev}->name)); | |
| 2249 + ${local.rtx_net_dev.k_net_dev}->irq = ${rtx_pci_dev.irq}; | |
| 2250 + ${local.rtx_net_dev.k_net_dev}->netdev_ops = &rtx_ether_ops; | |
| 2251 + | |
| 2252 + error = register_netdev(${local.rtx_net_dev.k_net_dev}); | |
| 2253 + if (error) | |
| 2254 + { | |
| 2255 + ${Log::info("cannot register the driver in the net subsystem")}; | |
| 2256 + goto fail; | |
| 2257 + } | |
| 2258 + | |
| 2259 + /* Initialize our context held by the net_device structure */ | |
| 2260 + { /* XXX: I end up with a placeholder if I don't open a scope */ | |
|
137
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Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2261 + ${local.rtx_ether_ctx.init(local.rtx_net_dev, rtx_pci_dev.pci_device)}; |
| 133 | 2262 + } |
| 2263 + | |
| 2264 + /* Register ourselves in the parent context: */ | |
| 2265 + /* ${rtx_pci_dev.set_context(local.rtx_ether_ctx)}; */ | |
|
137
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Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2266 + ${rtx_pci_dev.rtx_drv_context} = rtx_ether_ctx; |
| 133 | 2267 + |
| 2268 + /* | |
| 2269 + * XXX: the asssignments/casts are here to circumvent | |
| 2270 + * typing issues in the compiler (see previous XXX). | |
| 2271 + */ | |
| 2272 + unsigned char /* __iomem */ *io_addr = ${rtx_pci_dev.ioaddr}; | |
| 2273 + ${pointcut Ethernet::adapter_init_context(local.rtx_ether_ctx, local.io_addr)}; | |
| 2274 + ${pointcut Ethernet::adapter_reset(local.rtx_ether_ctx)}; | |
| 2275 + ${pointcut Ethernet::adapter_load_mac_address(local.rtx_ether_ctx)}; | |
| 2276 + memcpy(${local.rtx_ether_ctx.perm_addr}, | |
| 2277 + ${local.rtx_ether_ctx.dev_addr}, | |
| 2278 + ${local.rtx_net_dev.k_net_dev}->addr_len); | |
| 2279 } | |
| 2280 - SET_NETDEV_DEV(${local.rtx_net_dev.k_net_dev}, ${rtx_pci_dev.device}); | |
| 2281 - strlcpy(${local.rtx_net_dev.k_net_dev}->name, | |
| 2282 - ${config.ifname}, | |
| 2283 - sizeof(${local.rtx_net_dev.k_net_dev}->name)); | |
| 2284 - ${local.rtx_net_dev.k_net_dev}->irq = ${rtx_pci_dev.irq}; | |
| 2285 - ${local.rtx_net_dev.k_net_dev}->netdev_ops = &rtx_ether_ops; | |
| 2286 - | |
| 2287 - error = register_netdev(${local.rtx_net_dev.k_net_dev}); | |
| 2288 - if (error) | |
| 2289 - { | |
| 2290 - ${Log::info("cannot register the driver in the net subsystem")}; | |
| 2291 - goto fail; | |
| 2292 - } | |
| 2293 - | |
| 2294 - /* Initialize our context held by the net_device structure */ | |
| 2295 - /* | |
| 2296 - * XXX: the cast is here because the compiler resolve the | |
| 2297 - * type of rtx_pci_dev.pci_device to the type of | |
| 2298 - * rtx_pci_dev instead of the type of rtx_pci_dev.pci_device. | |
| 2299 - */ | |
| 2300 - ${PCI::AbstractDevice.ref} workaround = ${rtx_pci_dev.pci_device}; | |
| 2301 - ${cast local.workaround as PCI::AbstractDevice}; | |
| 2302 - { /* XXX: I end up with a placeholder if I don't open a scope */ | |
| 2303 - ${local.rtx_ether_ctx.init(local.rtx_net_dev, local.workaround)}; | |
| 2304 - } | |
| 2305 - | |
| 2306 - /* Register ourselves in the parent context: */ | |
| 2307 - /* ${rtx_pci_dev.set_context(local.rtx_ether_ctx)}; */ | |
| 2308 - ${rtx_pci_dev}->context = rtx_ether_ctx; | |
| 2309 - | |
| 2310 - /* | |
| 2311 - * XXX: the asssignments/casts are here to circumvent | |
| 2312 - * typing issues in the compiler (see previous XXX). | |
| 2313 - */ | |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2314 - int bars = ${rtx_pci_dev.bars}; |
| 133 | 2315 - unsigned char /* __iomem */ *ioaddr = ${rtx_pci_dev.ioaddr}; |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2316 - ${cast local.bars as Builtin::number}; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2317 - ${pointcut Ethernet::adapter_init_context(local.rtx_ether_ctx, |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2318 - local.bars, |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2319 - local.ioaddr)}; |
| 133 | 2320 - ${pointcut Ethernet::adapter_reset(local.rtx_ether_ctx)}; |
| 2321 - ${pointcut Ethernet::adapter_load_mac_address(local.rtx_ether_ctx)}; | |
| 2322 - memcpy(${local.rtx_ether_ctx.perm_addr}, | |
| 2323 - ${local.rtx_ether_ctx.dev_addr}, | |
| 2324 - ${local.rtx_net_dev.k_net_dev}->addr_len); | |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2325 } |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2326 |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2327 - /* This chunk should be removed (see #26) */ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2328 + /* XXX This chunk should be removed (see #26) */ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2329 chunk ::CALL() |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2330 { |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2331 } |
| 138 | 2332 @@ -369,15 +383,17 @@ |
| 133 | 2333 */ |
| 2334 chunk PCI::pci_remove_hook(PCI::Device rtx_pci_dev) | |
| 2335 { | |
| 2336 - ${Ethernet::Device.ref} rtx_ether_ctx = ${rtx_pci_dev.rtx_drv_context}; | |
| 2337 - BUG_ON(!rtx_ether_ctx); | |
| 2338 + { | |
| 2339 + ${Ethernet::Device.ref} rtx_ether_ctx = ${rtx_pci_dev.rtx_drv_context}; | |
| 2340 + BUG_ON(!rtx_ether_ctx); | |
| 2341 | |
| 2342 - ${Ethernet::AbstractDevice.ref} rtx_net_dev = ${local.rtx_ether_ctx.net_device}; | |
| 2343 - unregister_netdev(${local.rtx_net_dev.k_net_dev}); | |
| 2344 - free_netdev(${local.rtx_net_dev.k_net_dev}); | |
| 2345 + ${Ethernet::AbstractDevice.ref} rtx_net_dev = ${local.rtx_ether_ctx.net_device}; | |
| 2346 + unregister_netdev(${local.rtx_net_dev.k_net_dev}); | |
| 2347 + free_netdev(${local.rtx_net_dev.k_net_dev}); | |
| 2348 + } | |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2349 } |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2350 |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2351 - /* This chunk should be removed (see #26) */ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2352 + /* XXX This chunk should be removed (see #26) */ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2353 chunk ::CALL() |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2354 { |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2355 } |
|
131
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Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2356 diff --git a/rathaxes/samples/e1000/ethernet.rti b/rathaxes/samples/e1000/ethernet.rti |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2357 --- a/rathaxes/samples/e1000/ethernet.rti |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2358 +++ b/rathaxes/samples/e1000/ethernet.rti |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
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131
diff
changeset
|
2359 @@ -2,16 +2,16 @@ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2360 { |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2361 required variable Builtin::string ifname; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2362 |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2363 - provided type ProtocolId |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2364 - { |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2365 - chunk LKM::prototypes(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2366 - chunk LKM::data(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2367 - chunk LKM::code(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2368 - decl data_types(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2369 + provided type ProtocolId |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2370 + { |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2371 + chunk LKM::prototypes(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2372 + chunk LKM::data(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2373 + chunk LKM::code(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2374 + decl data_types(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2375 |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2376 - attribute Builtin::number.scalar id; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
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parents:
131
diff
changeset
|
2377 - attribute Builtin::string.scalar str; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2378 - } |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2379 + attribute Builtin::number.scalar id; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2380 + attribute Builtin::string.scalar str; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2381 + } |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2382 |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2383 provided type AbstractDevice |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2384 { |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2385 @@ -28,72 +28,88 @@ |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
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parents:
diff
changeset
|
2386 |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2387 provided type Device |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2388 { |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2389 + decl data_types(); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2390 + |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2391 chunk LKM::includes(); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2392 - decl data_types(); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2393 + chunk LKM::prototypes(); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2394 + chunk LKM::code(); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2395 + |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2396 pointcut Ethernet::HardwareContext(); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2397 |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2398 method init(Ethernet::AbstractDevice, PCI::AbstractDevice); |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2399 - /* |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2400 - * Alloc (the AbstractSKBuff inside) the given SKBuff and initialize |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2401 - * the SKBuff, return 1 if the allocation failed, 0 on success. |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2402 - */ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2403 + |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2404 + // Alloc (the AbstractSKBuff inside) the given SKBuff and initialize |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2405 + // the SKBuff, return 1 if the allocation failed, 0 on success: |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2406 method alloc_rx_skbuff(Socket::SKBuff, Builtin::number); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2407 |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2408 attribute Device::AbstractDevice.ref device; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2409 attribute PCI::AbstractDevice.ref pci_device; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2410 attribute Ethernet::AbstractDevice.ref net_device; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2411 - /* |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2412 - * I'd like to use better names here, but I'd like to understand the |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2413 - * difference between the two first: |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2414 - */ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2415 + |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2416 + // I'd like to use better names here, but I'd like to understand the |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2417 + // difference between the two first: |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2418 attribute Builtin::symbol.ref perm_addr; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2419 attribute Builtin::symbol.ref dev_addr; |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2420 attribute Builtin::symbol.scalar irq; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2421 } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2422 |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2423 - required sequence open(Ethernet::Device) |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2424 + provided sequence open() |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2425 { |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2426 - provided chunk LKM::includes(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2427 - provided chunk LKM::prototypes(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2428 - provided chunk LKM::code(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2429 + provided chunk LKM::includes(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2430 + provided chunk LKM::prototypes(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2431 + provided chunk LKM::code(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2432 |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2433 - /* |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2434 - * For e1000, this part is documented in the Intel Gigabit Ethernet |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2435 - * Controller Software Developper manual. (You can find it in the |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2436 - * doc/hardware directory). |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2437 - */ |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2438 - provided pointcut Ethernet::adapter_setup(Ethernet::Device); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2439 - provided pointcut Ethernet::adapter_init_rx(Ethernet::Device); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2440 - provided pointcut Ethernet::adapter_init_tx(Ethernet::Device); |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2441 + // Prepare the device and the resources for rx/tx: |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2442 + provided pointcut Ethernet::adapter_setup_rx_tx(Ethernet::Device); |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2443 + |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2444 + // Enable interrupts: |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2445 + provided pointcut Ethernet::adapter_enable_interrupts(Ethernet::Device); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2446 } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2447 |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2448 - required sequence send(Ethernet::Device, Socket::AbstractSKBuff) |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2449 + provided sequence send() |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2450 { |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2451 - provided chunk LKM::prototypes(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2452 - provided chunk LKM::code(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2453 + provided chunk LKM::prototypes(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2454 + provided chunk LKM::code(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2455 + |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2456 + // Put a packet on the tx ring and signal the device: |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2457 + provided pointcut Ethernet::adapter_xmit(Ethernet::Device, Socket::SKBuff); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2458 } |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2459 |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2460 - required sequence close(Ethernet::Device) |
| 133 | 2461 + provided sequence close() |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2462 { |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2463 - provided chunk LKM::prototypes(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2464 - provided chunk LKM::code(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2465 + provided chunk LKM::prototypes(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2466 + provided chunk LKM::code(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2467 + |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2468 + provided pointcut Ethernet::adapter_disable_rx(Ethernet::Device); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2469 + provided pointcut Ethernet::adapter_disable_tx(Ethernet::Device); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2470 + provided pointcut Ethernet::adapter_disable_interrupts(Ethernet::Device); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2471 + |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2472 + // Clean and free all resources on the rx/tx rings: |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2473 + provided pointcut Ethernet::adapter_free_rx_tx(Ethernet::Device); |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2474 } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2475 |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2476 - required sequence interrupt_handler(Ethernet::Device) |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2477 + provided sequence interrupt_handler() |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2478 { |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2479 - provided chunk LKM::prototypes(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2480 - provided chunk LKM::code(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2481 + provided chunk LKM::prototypes(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2482 + provided chunk LKM::code(); |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2483 + |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2484 + // Interrupt handler: |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2485 + provided pointcut Ethernet::adapter_handle_interrupt(Ethernet::Device); |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2486 } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2487 |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2488 - provided sequence init() |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2489 + provided sequence init() |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2490 { |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2491 - provided chunk LKM::data(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2492 - provided chunk PCI::pci_probe_hook(PCI::Device); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2493 + provided chunk LKM::data(); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2494 + provided chunk PCI::pci_probe_hook(PCI::Device); |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2495 |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2496 - provided pointcut Ethernet::adapter_init_context(Ethernet::Device, |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2497 - Builtin::number, |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2498 - Builtin::symbol); |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2499 + // Init the hardware context structure, doesn't allocate anything: |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2500 + provided pointcut Ethernet::adapter_init_context(Ethernet::Device, Builtin::symbol); |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2501 + |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2502 + // Reset the adapter: |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2503 provided pointcut Ethernet::adapter_reset(Ethernet::Device); |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2504 + |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2505 + // Load the MAC address from the EEPROM and save it into the |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2506 + // dev_addr field/attribute of Ethernet::Device: |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2507 provided pointcut Ethernet::adapter_load_mac_address(Ethernet::Device); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2508 } |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2509 |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2510 diff --git a/rathaxes/samples/e1000/lkm.rtx b/rathaxes/samples/e1000/lkm.rtx |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2511 --- a/rathaxes/samples/e1000/lkm.rtx |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2512 +++ b/rathaxes/samples/e1000/lkm.rtx |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2513 @@ -1,40 +1,5 @@ |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2514 device LKM use LKM, PCI, Ethernet, Log, Socket |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2515 { |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2516 - Ethernet::open(Ethernet::Device dev) |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2517 - { |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2518 - Log::info("opening the device"); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2519 - |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2520 - e1000::activate_device_interruption(dev); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2521 - Log::info("interruption enabled"); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2522 - |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2523 - e1000::print_status(dev); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2524 - } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2525 - |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2526 - Ethernet::close(Ethernet::Device dev) |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2527 - { |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2528 - Log::info("closing the device"); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2529 - |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2530 - /* |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2531 - * Note: some calls to release resources must be done when IRQs are |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2532 - * enabled (dma_free_coherent() for example). So we have to cleanup our |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2533 - * stuff before free_interrupt_handler(). |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2534 - */ |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2535 - e1000::free_rx_tx(dev); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2536 - Log::info("free'ed up rx/tx resources"); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2537 - } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2538 - |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2539 - Ethernet::interrupt_handler(Ethernet::Device dev) |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2540 - { |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2541 - Log::info("got an interruption"); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2542 - e1000::handle_interrupt(dev); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2543 - } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2544 - |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2545 - Ethernet::send(Ethernet::Device dev, Socket::AbstractSKBuff skb) |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2546 - { |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2547 - Log::info("we have one packet to transmit!"); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2548 - e1000::xmit(dev, skb); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2549 - } |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2550 - |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2551 LKM::init() |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2552 { |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2553 Log::info("loading module"); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2554 @@ -50,7 +15,7 @@ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2555 { |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2556 LKM::name = "rtx_e1k"; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2557 LKM::author = "Rathaxes"; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2558 - LKM::description = "Hello World Loadable Kernel Module (LKM)"; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2559 + LKM::description = "Rathaxes Intel PCI Gigabit NIC sample driver"; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2560 LKM::license = "GPL"; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2561 |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2562 /* |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2563 diff --git a/rathaxes/samples/e1000/e1000.blt b/rathaxes/samples/e1000/old_e1000.blt |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2564 copy from rathaxes/samples/e1000/e1000.blt |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2565 copy to rathaxes/samples/e1000/old_e1000.blt |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2566 --- a/rathaxes/samples/e1000/e1000.blt |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2567 +++ b/rathaxes/samples/e1000/old_e1000.blt |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2568 @@ -170,14 +170,15 @@ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2569 for (i = 0; i != ${config.rx_ring_size}; ++i) |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2570 { |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2571 ${Socket::SKBuff.ref} skbuff = &hw_ctx->rx_ring.skbuffs[i]; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2572 - // XXX #46: ${rtx_ether_ctx.init_rx_skbuff(local.skbuff, config.rx_buffer_len)}; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2573 - if (rtx_ethernet_init_rx_skbuff(${local.skbuff}, ${config.rx_buffer_len})) |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2574 + // XXX #46: ${rtx_ether_ctx.alloc_rx_skbuff(local.skbuff, config.rx_buffer_len)}; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2575 + if (rtx_ethernet_alloc_rx_skbuff(${local.skbuff}, ${config.rx_buffer_len})) |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2576 { |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2577 ${Log::info("adapter_init_rx: cannot allocate a skbuff for the rx ring")}; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2578 goto err_skbuffs_alloc; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2579 } |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2580 - // XXX #46: ${local.skbuff.map_from(rtx_ether_ctx.device)}; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2581 - if (rtx_socket_skbuff_map(${local.skbuff}, ${rtx_ether_ctx.device}, RTX_DMA_FROM_DEVICE)) |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2582 + /* XXX: recuperer le dma handle et le placer correctement dans le descripteur. */ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2583 + ${DMA::map(local.rtx_ether_ctx.device, local.skbuff.data, local.skbuff.len, RTX_DMA_FROM_DEVICE)} |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2584 + if (${DMA::map(local.rtx_ether_ctx.device, local.skbuff.data, local.skbuff.len, RTX_DMA_FROM_DEVICE)}) |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2585 { |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2586 ${Log::info("adapter_init_rx: cannot dma-map a skbuff for the rx ring")}; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2587 goto err_skbuffs_map; |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2588 diff --git a/rathaxes/samples/e1000/e1000.rti b/rathaxes/samples/e1000/old_e1000.rti |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2589 copy from rathaxes/samples/e1000/e1000.rti |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2590 copy to rathaxes/samples/e1000/old_e1000.rti |
|
137
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2591 diff --git a/rathaxes/samples/e1000/pci.blt b/rathaxes/samples/e1000/pci.blt |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2592 --- a/rathaxes/samples/e1000/pci.blt |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2593 +++ b/rathaxes/samples/e1000/pci.blt |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2594 @@ -73,9 +73,8 @@ |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2595 |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2596 method init(PCI::AbstractDevice pdev) |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2597 { |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2598 - ${PCI::AbstractDevice.ref} workaround = (${PCI::AbstractDevice.ref})pdev; |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2599 ${self}->pdev = ${pdev}; |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2600 - ${self}->bars = pci_select_bars(${local.workaround.k_pci_dev}, IORESOURCE_MEM); |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2601 + ${self}->bars = pci_select_bars(${pdev.k_pci_dev}, IORESOURCE_MEM); |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2602 ${self}->ioaddr = NULL; |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2603 ${self}->context = NULL; |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2604 } |
| 138 | 2605 @@ -92,13 +91,12 @@ |
| 2606 | |
| 2607 method select_ioaddr(Builtin::number bar) | |
| 2608 { | |
| 2609 - ${PCI::AbstractDevice.ref} select_ioaddr_pdev = ${self}->pdev; | |
| 2610 - ${self}->ioaddr = pci_ioremap_bar(${local.select_ioaddr_pdev.k_pci_dev}, ${bar}); | |
| 2611 + ${self.ioaddr} = pci_ioremap_bar(${self.pci_device.k_pci_dev}, ${bar}); | |
| 2612 } | |
|
137
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2613 |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2614 method set_rtx_drv_context(Builtin::symbol ctx) |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2615 { |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2616 - ${self}->context = ctx; |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2617 + ${self.rtx_drv_context} = ${ctx}; |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2618 } |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2619 |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2620 map |
| 138 | 2621 @@ -127,7 +125,7 @@ |
|
137
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2622 const struct pci_device_id *pdev_id) |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2623 { |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2624 int error; |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2625 - ${PCI::Device.ref} rtx_pci_dev; |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2626 + ${PCI::Device.ref} rtx_pci_dev = NULL; |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2627 ${PCI::AbstractDevice.ref} rtx_pdev = (${PCI::AbstractDevice.ref})pdev; |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2628 |
|
8bbdb488f6fe
Wip, cleaning up the probe function
Louis Opter <kalessin@kalessin.fr>
parents:
136
diff
changeset
|
2629 rtx_pci_dev = kmalloc(sizeof(*rtx_pci_dev), GFP_KERNEL); |
| 138 | 2630 @@ -138,13 +136,7 @@ |
| 2631 goto fail; | |
| 2632 } | |
| 2633 | |
| 2634 - /* | |
| 2635 - * XXX: I'm getting placeholder in the generated code if I don't | |
| 2636 - * open a scope here: | |
| 2637 - */ | |
| 2638 - { | |
| 2639 - ${local.rtx_pci_dev.init(local.rtx_pdev)}; | |
| 2640 - } | |
| 2641 + ${local.rtx_pci_dev.init(local.rtx_pdev)}; | |
| 2642 | |
| 2643 /* ${local.pdev.set_rtx_context(local.rtx_pci_dev)}; */ | |
| 2644 pci_set_drvdata(pdev, rtx_pci_dev); | |
| 2645 @@ -157,14 +149,14 @@ | |
| 2646 goto fail; | |
| 2647 } | |
| 2648 | |
| 2649 - /* ${local.rtx_pci_dev.select_ioaddr(local.rtx_pci_dev.BAR_0)}; */ | |
| 2650 - rtx_pci_dev->ioaddr = pci_ioremap_bar( | |
| 2651 + // XXX #46: ${local.rtx_pci_dev.select_ioaddr(local.rtx_pci_dev.BAR_0)}; | |
| 2652 + ${local.rtx_pci_dev.ioaddr} = pci_ioremap_bar( | |
| 2653 pdev, ${local.rtx_pci_dev.BAR_0} | |
| 2654 ); | |
| 2655 if (!${local.rtx_pci_dev.ioaddr}) | |
| 2656 { | |
| 2657 ${Log::info("can't map the device address space")}; | |
| 2658 - error = 1; /* XXX anything more approriate? */ | |
| 2659 + error = -EIO; /* XXX anything more approriate? */ | |
| 2660 goto fail; | |
| 2661 } | |
| 2662 | |
| 2663 @@ -173,7 +165,7 @@ | |
| 2664 return 0; | |
| 2665 | |
| 2666 fail: | |
| 2667 - /* ${local.pdev.set_rtx_drv_context(NULL)}; */ | |
| 2668 + // ${local.pdev.set_rtx_drv_context(NULL)}; | |
| 2669 pci_set_drvdata(pdev, NULL); | |
| 2670 kfree(rtx_pci_dev); | |
| 2671 return error; | |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2672 diff --git a/rathaxes/samples/e1000/socket.blt b/rathaxes/samples/e1000/socket.blt |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2673 --- a/rathaxes/samples/e1000/socket.blt |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2674 +++ b/rathaxes/samples/e1000/socket.blt |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2675 @@ -22,16 +22,12 @@ |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2676 { |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2677 decl data_types() |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2678 { |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2679 - ${Socket::AbstractSKBuff.ref} skbuff; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2680 - ${DMA::AbstractDMAHandle.scalar} dma_handle; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2681 - unsigned int size; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2682 + ${Socket::AbstractSKBuff.ref} skbuff; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2683 } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2684 |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2685 chunk LKM::prototypes() |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2686 { |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2687 static void rtx_socket_skbuff_dump_infos(${Socket::SKBuff.ref}); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2688 - static int rtx_socket_skbuff_map(${Socket::SKBuff.ref}, ${Device::AbstractDevice.ref}, ${DMA::DMADirection.scalar}); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2689 - static void rtx_socket_skbuff_unmap_and_free(${Socket::SKBuff.ref}, ${Device::AbstractDevice.ref}, ${DMA::DMADirection.scalar}); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2690 } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2691 |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2692 chunk LKM::code() |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2693 @@ -52,98 +48,29 @@ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2694 * arguments yet. |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2695 */ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2696 pr_info( |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2697 - "\t protocol = %#-5x (%s) ip_summed = %d (%s)\n" |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2698 - "\t len = %-5u data_len = %-5u head_len = %-5u\n" |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2699 - "\t nr_frags = %u\n" |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2700 - "\t gso_size = %-5u gso_segs = %-5u gso_type = %-5u", |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2701 - /* XXX: can't use ${local.ethernet_proto.id} here (issue #52): */ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2702 - ethernet_proto.id, ${local.ethernet_proto.str}, |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2703 - ${local.self.sk_buff.k_sk_buff}->ip_summed, ip_summed_values[${local.self.sk_buff.k_sk_buff}->ip_summed], |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2704 - ${local.self.sk_buff.k_sk_buff}->len, ${local.self.sk_buff.k_sk_buff}->data_len, skb_headlen(${local.self.sk_buff.k_sk_buff}), |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2705 - shinfo->nr_frags, shinfo->gso_size, shinfo->gso_segs, shinfo->gso_type |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2706 + "\t protocol = %#-5x (%s) ip_summed = %d (%s)\n" |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2707 + "\t len = %-5u data_len = %-5u head_len = %-5u\n" |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2708 + "\t nr_frags = %u\n" |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2709 + "\t gso_size = %-5u gso_segs = %-5u gso_type = %-5u", |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2710 + /* XXX: can't use ${local.ethernet_proto.id} here (issue #52): */ |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2711 + ethernet_proto.id, ${local.ethernet_proto.str}, |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2712 + ${local.self.sk_buff.k_sk_buff}->ip_summed, ip_summed_values[${local.self.sk_buff.k_sk_buff}->ip_summed], |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2713 + ${local.self.sk_buff.k_sk_buff}->len, ${local.self.sk_buff.k_sk_buff}->data_len, skb_headlen(${local.self.sk_buff.k_sk_buff}), |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2714 + shinfo->nr_frags, shinfo->gso_size, shinfo->gso_segs, shinfo->gso_type |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2715 ); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2716 } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2717 - |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2718 - static int rtx_socket_skbuff_map(${Socket::SKBuff.ref} self, |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2719 - ${Device::AbstractDevice.ref} dev, |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2720 - ${DMA::DMADirection.scalar} direction) |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2721 - { |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2722 - WARN_ON(!${local.self.sk_buff}); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2723 - WARN_ON(${local.self.dma_handle}); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2724 - /* |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2725 - * TODO: we don't support skbuffs with paged data yet (see also |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2726 - * http://vger.kernel.org/~davem/skb_data.html). |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2727 - */ |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2728 - WARN_ON(skb_is_nonlinear(${local.self.sk_buff.k_sk_buff})); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2729 - |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2730 - unsigned int len = ${local.self.size}; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2731 - ${cast local.len as Builtin::number}; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2732 - ${local.self.dma_handle} = ${DMA::map(local.dev, local.self.sk_buff.k_sk_buff, local.len, local.direction)}; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2733 - int err = ${DMA::mapping_error(local.dev, local.self.dma_handle)}; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2734 - if (err) |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2735 - { |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2736 - ${local.self.dma_handle} = 0; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2737 - return err; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2738 - } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2739 - return 0; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2740 - } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2741 - |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2742 - static void rtx_socket_skbuff_unmap_and_free(${Socket::SKBuff.ref} self, |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2743 - ${Device::AbstractDevice.ref} dev, |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2744 - ${DMA::DMADirection} direction) |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2745 - { |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2746 - WARN_ON(!${local.self.sk_buff}); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2747 - WARN_ON(skb_is_nonlinear(${local.self.sk_buff.k_sk_buff}); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2748 - |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2749 - if (${local.self.dma_handle}) |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2750 - { |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2751 - unsigned int len = ${local.self.size}; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2752 - ${cast local.len as Builtin::number}; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2753 - ${DMA::unmap(local.dev, local.self.dma_handle, local.len, local.direction)}; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2754 - ${local.self.dma_handle} = 0; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2755 - } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2756 - dev_kfree_skb_any(${local.self.sk_buff.k_sk_buff}); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2757 - ${local.self.sk_buff} = NULL; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2758 - } |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2759 } |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2760 |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2761 - /* |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2762 - * XXX: the rathaxes argument kernel_skb is not actually bound to the |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2763 - * correct C variable from Ethernet::send() (so I named it as the C |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2764 - * variable I needed) |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2765 - */ |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2766 - method init(Socket::AbstractSKBuff kernel_skb, Builtin::number size) |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2767 + method init(Socket::AbstractSKBuff k_skb) |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2768 { |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2769 - ${self.sk_buff} = ${kernel_skb}; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2770 - ${self.size} = ${size}; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2771 - ${self.dma_handle} = 0; |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2772 + ${self} = (${Socket::SKBuff.ref})(${k_skb}); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2773 } |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2774 |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2775 - method dump_infos() |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2776 + method dump_infos() |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2777 { |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2778 rtx_socket_skbuff_dump_infos(${self}); |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2779 } |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2780 |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2781 - method map_to(Device::AbstractDevice dev) |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2782 - { |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2783 - rtx_socket_skbuff_map(${self}, ${dev}, RTX_DMA_TO_DEVICE); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2784 - } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2785 - |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2786 - method map_from(Device::AbstractDevice dev) |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2787 - { |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2788 - rtx_socket_skbuff_map(${self}, ${dev}, RTX_DMA_FROM_DEVICE); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2789 - } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2790 - |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2791 - method unmap_to_and_free(Device::AbstractDevice dev) |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2792 - { |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2793 - rtx_socket_skbuff_unmap_and_free(${self}, ${dev}, RTX_DMA_TO_DEVICE); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2794 - } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2795 - |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2796 - method unmap_from_and_free(Device::AbstractDevice dev) |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2797 - { |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2798 - rtx_socket_skbuff_unmap_and_free(${self}, ${dev}, RTX_DMA_FROM_DEVICE); |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2799 - } |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2800 - |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2801 map |
|
132
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2802 { |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2803 // Some work may have to be done here in order to access to some |
|
f2e4dd91dc6f
Wip, leave some "functions" empty but start some build tests
Louis Opter <kalessin@kalessin.fr>
parents:
131
diff
changeset
|
2804 @@ -151,13 +78,9 @@ |
|
131
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2805 // management can be abstracted from the user. But this is at least |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2806 // useful for internal use: |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2807 sk_buff: (${self})->skbuff; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2808 - // XXX: We need to cast here so we can do things like |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2809 - // var.dma_handle = 0; but the type shouldn't be hardcoded (at the |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2810 - // same time ${DMA:AbstractDMAHandle} couldn't be used because that |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2811 - // would yield to a struct type which you can't assign directly; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2812 - // but maybe doing the ->data in that case would be acceptable). |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2813 - dma_handle: (*((dma_addr_t *)&(${self})->dma_handle)); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2814 - size: (${self})->size; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2815 + |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2816 + data: ((struct sk_buff *)((${self})->sk_buff))->data; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2817 + len: ((struct sk_buff *)((${self})->sk_buff))->len; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2818 } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2819 } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2820 } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2821 diff --git a/rathaxes/samples/e1000/socket.rti b/rathaxes/samples/e1000/socket.rti |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2822 --- a/rathaxes/samples/e1000/socket.rti |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2823 +++ b/rathaxes/samples/e1000/socket.rti |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2824 @@ -12,20 +12,14 @@ |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2825 { |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2826 chunk LKM::prototypes(); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2827 chunk LKM::code(); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2828 + |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2829 decl data_types(); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2830 - method init(Socket::AbstractSKBuff, Builtin::number); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2831 + |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2832 + method init(Socket::AbstractSKBuff); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2833 method dump_infos(); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2834 - /* |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2835 - * map_to and map_from return a non-zero value on failure (which |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2836 - * doesn't correspond to an errno value): |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2837 - */ |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2838 - method map_to(Device::AbstractDevice); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2839 - method map_from(Device::AbstractDevice); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2840 - method unmap_to_and_free(Device::AbstractDevice); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2841 - method unmap_from_and_free(Device::AbstractDevice); |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2842 |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2843 - attribute Socket::AbstractSKBuff.ref sk_buff; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2844 - attribute DMA::AbstractDMAHandle.scalar dma_handle; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2845 - attribute Builtin::number.scalar size; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2846 + attribute Socket::AbstractSKBuff.ref sk_buff; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2847 + attribute Builtin::symbol.ref data; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2848 + attribute Builtin::number.scalar len; |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2849 } |
|
c209851a82de
Wip, start a rewrite of the e1000 device dependent code
Louis Opter <kalessin@kalessin.fr>
parents:
diff
changeset
|
2850 } |