Mercurial > archived > louis > epitech > mq > rathaxes

annotate e1000_implement_the_frame_transmission_chunk.patch @ 84:6432998a8245

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Finish the patches on the rx/tx init and wip on the actual tx
author Louis Opter <louis@lse.epitech.net>
date Mon, 09 Jul 2012 06:44:51 +0200
parents 27f0e70df342
children 5dda73e7d728
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
83
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1 # HG changeset patch
84
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2 # Parent 72f11dd4265bb367278f34b23ecb5afa0f7f6fb7
83
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3 rathaxes: start to queue up packets in the TX ring on the e1000 sample
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4
84
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5 diff --git a/maintainers/CMakeScripts/Templates/MakefileLKM.in b/maintainers/CMakeScripts/Templates/MakefileLKM.in
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6 --- a/maintainers/CMakeScripts/Templates/MakefileLKM.in
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7 +++ b/maintainers/CMakeScripts/Templates/MakefileLKM.in
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8 @@ -1,6 +1,6 @@
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9 # Disable this "coding-style" warning (seriously, you have to compile with
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10 # -pedantic to get it...)
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11 -EXTRA_CFLAGS = -Wno-declaration-after-statement
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12 +EXTRA_CFLAGS = -Wno-declaration-after-statement -std=gnu99
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13
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14 KDIR = /lib/modules/$(shell uname -r)/build
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15 obj-m := @LKM_OBJECTS@
83
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16 diff --git a/rathaxes/samples/e1000/e1000.blt b/rathaxes/samples/e1000/e1000.blt
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17 --- a/rathaxes/samples/e1000/e1000.blt
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18 +++ b/rathaxes/samples/e1000/e1000.blt
84
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19 @@ -964,4 +964,20 @@
83
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20 }
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21 }
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22 }
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23 +
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24 + template sequence e1000::xmit(Ethernet::Device ctx, Socket::SKBuff skb)
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25 + {
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26 + chunk ::CALL()
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27 + {
84
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28 + (void)1; // Issue 10
83
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29 + /*
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30 + * Put packets on the TX ring, must return NETDEV_TX_OK or
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31 + * NETDEV_TX_BUSY.
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32 + */
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33 + {
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34 + ${Log::info("xmit: skbuff details:")};
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35 + ${skb.dump_infos()};
83
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36 + }
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37 + }
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38 + }
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39 }
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40 diff --git a/rathaxes/samples/e1000/e1000.rti b/rathaxes/samples/e1000/e1000.rti
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41 --- a/rathaxes/samples/e1000/e1000.rti
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42 +++ b/rathaxes/samples/e1000/e1000.rti
84
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43 @@ -109,6 +109,11 @@
83
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44 provided chunk ::CALL();
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45 }
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46
84
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47 + provided sequence xmit(Ethernet::Device, Socket::SKBuff)
83
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48 + {
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49 + provided chunk ::CALL();
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50 + }
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51 +
84
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52 provided sequence register_read32(e1000::Context, e1000::Register)
83
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53 {
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54 provided chunk LKM::prototypes();
84
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55 diff --git a/rathaxes/samples/e1000/ethernet.blt b/rathaxes/samples/e1000/ethernet.blt
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56 --- a/rathaxes/samples/e1000/ethernet.blt
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57 +++ b/rathaxes/samples/e1000/ethernet.blt
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58 @@ -1,6 +1,51 @@
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59 with Ethernet, PCI, LKM, Log
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60 {
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61 - template type Ethernet::Net()
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62 + template type Ethernet::ProtocolId()
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63 + {
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64 + chunk LKM::prototypes()
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65 + {
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66 + static const char *rtx_ethernet_protocol_id_to_str(unsigned short);
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67 + }
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68 +
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69 + chunk LKM::data()
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70 + {
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71 + static const struct
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72 + {
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73 + const unsigned short id;
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74 + const char *name;
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75 + } rtx_ethernet_proto_table[] =
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76 + {
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77 + { ETH_P_IP, "IPv4" },
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78 + { ETH_P_IPV6, "IPv6" },
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79 + { ETH_P_ARP, "ARP" },
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80 + };
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81 + }
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82 +
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83 + chunk LKM::code()
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84 + {
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85 + static const char *rtx_ethernet_protocol_id_to_str(unsigned short proto_id)
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86 + {
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87 + for (int i = 0;
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88 + i != sizeof(rtx_ethernet_proto_table[0]) / sizeof(rtx_ethernet_proto_table);
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89 + i++)
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90 + if (proto_id == rtx_ethernet_proto_table[i].id)
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91 + return rtx_ethernet_proto_table[i].name;
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92 +
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93 + return "Other";
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94 + }
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95 + }
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96 +
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97 + chunk to_str()
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98 + {
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99 + rtx_ethernet_protocol_id_to_str(${self});
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100 + }
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101 +
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102 + map
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103 + {
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104 + }
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105 + }
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106 +
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107 + template type Ethernet::AbstractDevice()
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108 {
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109 chunk LKM::includes()
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110 {
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111 @@ -17,11 +62,6 @@
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112 }
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113 }
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114
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115 - /*
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116 - * Unlike PCI::Device, Ethernet::Device doesn't match the struct net_device
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117 - * from Linux. Ethernet::Device is the type that we use in the private
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118 - * field of the struct net_device.
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119 - */
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120 template type Ethernet::Device()
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121 {
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122 chunk LKM::includes()
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123 @@ -52,7 +92,7 @@
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124 } *rtx_ethernet_dev_p;
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125 }
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126
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127 - chunk ::init(Ethernet::Net net_dev, PCI::Device pci_dev)
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128 + chunk ::init(Ethernet::AbstractDevice net_dev, PCI::Device pci_dev)
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129 {
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130 ${self} = netdev_priv(${net_dev});
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131 /*
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132 diff --git a/rathaxes/samples/e1000/ethernet.rti b/rathaxes/samples/e1000/ethernet.rti
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133 --- a/rathaxes/samples/e1000/ethernet.rti
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134 +++ b/rathaxes/samples/e1000/ethernet.rti
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135 @@ -1,11 +1,28 @@
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136 interface Ethernet : Socket, PCI, LKM
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137 {
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138 - provided type Net
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139 + provided type ProtocolId
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140 + {
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141 + chunk LKM::prototypes();
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142 + chunk LKM::data();
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143 + chunk LKM::code();
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144 + method ::to_str();
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145 + }
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146 +
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147 + /*
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148 + * This is the abstract type used by the Kernel to represent an ethernet
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149 + * device.
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150 + */
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151 + provided type AbstractDevice
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152 {
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153 chunk LKM::includes();
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154 chunk ::decl();
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155 }
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156
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157 + /*
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158 + * Unlike PCI::Device, Ethernet::Device doesn't match the struct net_device
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159 + * from Linux. Ethernet::Device is the type that we use in the private
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160 + * field of the struct net_device.
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161 + */
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162 provided type Device
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163 {
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164 chunk LKM::includes();
83
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165 diff --git a/rathaxes/samples/e1000/lkm.rtx b/rathaxes/samples/e1000/lkm.rtx
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166 --- a/rathaxes/samples/e1000/lkm.rtx
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167 +++ b/rathaxes/samples/e1000/lkm.rtx
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168 @@ -46,6 +46,7 @@
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169 Ethernet::send(Ethernet::Device dev, Socket::SKBuff skb)
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170 {
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171 Log::info("we have one packet to transmit!");
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172 + e1000::xmit(dev, skb);
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173 }
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174
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175 LKM::init()
84
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176 diff --git a/rathaxes/samples/e1000/socket.blt b/rathaxes/samples/e1000/socket.blt
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177 --- a/rathaxes/samples/e1000/socket.blt
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178 +++ b/rathaxes/samples/e1000/socket.blt
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179 @@ -1,4 +1,4 @@
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180 -with Socket, LKM
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181 +with Socket, LKM, Ethernet
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182 {
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183 template type Socket::SKBuff()
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184 {
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185 @@ -17,6 +17,32 @@
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186 {
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187 }
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188
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189 + chunk ::dump_infos()
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190 + {
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191 + /*
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192 + * We should use a Rathaxes log abstraction instead of pr_info here,
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193 + * but Rathaxes doesn't support functions with a variable number of
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194 + * arguments yet.
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195 + */
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196 + unsigned short ethernet_proto = be16_to_cpu(${self}->protocol);
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197 + ${cast local.ethernet_proto as Ethernet::ProtocolId};
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198 +
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199 + pr_info(
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200 + "\tprotocol = %#-5x (%s)\n"
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201 + "\t len = %-5u data_len = %-5u head_len = %-5u\n"
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202 + "\tnr_frags = %u\n"
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203 + "\tgso_size = %-5u gso_segs = %-5u gso_type = %-5u\n",
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204 + ethernet_proto, "", // XXX: ${local.ethernet_proto.to_str()},
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205 + ${self}->len,
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206 + ${self}->data_len,
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207 + skb_headlen(${self}),
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208 + skb_shinfo(${self})->nr_frags,
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209 + skb_shinfo(${self})->gso_size,
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210 + skb_shinfo(${self})->gso_segs,
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211 + skb_shinfo(${self})->gso_type
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212 + );
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213 + }
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214 +
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215 map
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216 {
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217 // some work may have to be done here in order
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218 diff --git a/rathaxes/samples/e1000/socket.rti b/rathaxes/samples/e1000/socket.rti
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219 --- a/rathaxes/samples/e1000/socket.rti
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220 +++ b/rathaxes/samples/e1000/socket.rti
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221 @@ -1,8 +1,10 @@
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222 interface Socket : LKM
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223 {
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224 - provided type Socket::SKBuff {
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225 - chunk LKM::includes();
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226 - chunk ::decl();
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227 - method ::init();
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228 + provided type Socket::SKBuff
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229 + {
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230 + chunk LKM::includes();
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231 + chunk ::decl();
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232 + method ::init();
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233 + method ::dump_infos();
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234 }
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235 }