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comparison rathaxes_start_to_implement_the_ethernet_subsystem_in_the_lkm.patch @ 21:052f9209ca09

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rathaxes:: add the ifs
author Thomas Sanchez <thomas.sanchz@gmail.com>
date Sat, 07 Jan 2012 18:30:20 +0100
parents 670925d566c7
children 65523c345b40
comparison
equal deleted inserted replaced
20:ecf2a0e61fff 21:052f9209ca09
1 # HG changeset patch 1 # HG changeset patch
2 # Parent 5c8a128a8804aa592e3ccc74e86e109d0b577896 2 # Parent 2d1319eabf8acf2a7afeb6c8061d7a2c4793655f
3 rathaxes: start to implement the Ethernet subsystem in linux LKM sample 3 rathaxes: start to implement the Ethernet subsystem in linux LKM sample
4 4
5 diff -r 5c8a128a8804 rathaxes/samples/lkm/CMakeLists.txt 5 diff -r 2d1319eabf8a rathaxes/samples/lkm/CMakeLists.txt
6 --- a/rathaxes/samples/lkm/CMakeLists.txt Sat Jan 07 11:23:27 2012 +0100 6 --- a/rathaxes/samples/lkm/CMakeLists.txt Sat Jan 07 18:13:48 2012 +0100
7 +++ b/rathaxes/samples/lkm/CMakeLists.txt Sat Jan 07 12:15:32 2012 +0100 7 +++ b/rathaxes/samples/lkm/CMakeLists.txt Sat Jan 07 18:27:27 2012 +0100
8 @@ -1,6 +1,6 @@ 8 @@ -1,6 +1,6 @@
9 ADD_RATHAXES_SOURCES(lkm lkm.rtx 9 ADD_RATHAXES_SOURCES(lkm lkm.rtx
10 - RTI log.rti lkm.rti pci.rti 10 - RTI log.rti lkm.rti pci.rti
11 - BLT log.blt lkm.blt pci.blt) 11 - BLT log.blt lkm.blt pci.blt)
12 + RTI log.rti lkm.rti pci.rti ethernet.rti 12 + RTI log.rti lkm.rti pci.rti ethernet.rti
13 + BLT log.blt lkm.blt pci.blt ethernet.blt) 13 + BLT log.blt lkm.blt pci.blt ethernet.blt)
14 14
15 # We can't name lkm since it's already used as the target name to generate the 15 # We can't name lkm since it's already used as the target name to generate the
16 # source (with ADD_RATHAXES_SOURCES). 16 # source (with ADD_RATHAXES_SOURCES).
17 diff -r 5c8a128a8804 rathaxes/samples/lkm/ethernet.blt 17 diff -r 2d1319eabf8a rathaxes/samples/lkm/ethernet.blt
18 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 18 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
19 +++ b/rathaxes/samples/lkm/ethernet.blt Sat Jan 07 12:15:32 2012 +0100 19 +++ b/rathaxes/samples/lkm/ethernet.blt Sat Jan 07 18:27:27 2012 +0100
20 @@ -0,0 +1,164 @@ 20 @@ -0,0 +1,173 @@
21 +with Ethernet, PCI, LKM 21 +with Ethernet, PCI, LKM
22 +{ 22 +{
23 + template type Ethernet::Device() 23 + template type Ethernet::Device()
24 + { 24 + {
25 + chunk LKM::includes() 25 + chunk LKM::includes()
131 + * dialect. 131 + * dialect.
132 + */ 132 + */
133 + typedef int ${Ethernet::Device}; 133 + typedef int ${Ethernet::Device};
134 + ${Ethernet::Device} *rtx_ether_ctx; 134 + ${Ethernet::Device} *rtx_ether_ctx;
135 + struct net_device *net_dev; 135 + struct net_device *net_dev;
136 + 136 + int error;
137 +
138 + error = 0;
137 + net_dev = alloc_etherdev(sizeof(*rtx_ether_ctx)); 139 + net_dev = alloc_etherdev(sizeof(*rtx_ether_ctx));
138 + //if (net_dev == NULL) 140 + if (net_dev == 0)
139 + // How should we raise the error in the parent context? 141 + {
142 + //Log::info("Cannot allocate memory");
143 + // is it the thing to do?
144 + return -ENOMEM;
145 + }
140 + strlcpy(net_dev->name, ${config.ifname}, sizeof(net_dev->name)); 146 + strlcpy(net_dev->name, ${config.ifname}, sizeof(net_dev->name));
141 + net_dev->irq = pdev->irq; 147 + net_dev->irq = pdev->irq;
142 + // Maybe we should try ${rtx_ether_ctx.init()} here: 148 + // Maybe we should try ${rtx_ether_ctx.init()} here:
143 + rtx_ether_ctx = netdev_priv(net_dev); 149 + rtx_ether_ctx = netdev_priv(net_dev);
144 + //rtx_ether_ctx->pci_dev = ${pdev}; 150 + //rtx_ether_ctx->pci_dev = ${pdev};
154 + * That's why we cheated a bit and named all the arguments pdev. 160 + * That's why we cheated a bit and named all the arguments pdev.
155 + */ 161 + */
156 + //SET_NETDEV_DEV(net_dev, &${pdev}->dev); 162 + //SET_NETDEV_DEV(net_dev, &${pdev}->dev);
157 + SET_NETDEV_DEV(net_dev, &pdev->dev); 163 + SET_NETDEV_DEV(net_dev, &pdev->dev);
158 + net_dev->netdev_ops = &rtx_ether_ops; 164 + net_dev->netdev_ops = &rtx_ether_ops;
159 + 165 + if ((error = register_netdev(net_dev)))
160 + /* if (*/register_netdev(net_dev);/*)*/ 166 + {
161 + // Handle the error 167 + // Log::info("Cannot register the driver");
168 + // is it the thing to do?
169 + return error;
170 + }
162 + 171 +
163 + /* same problem as above with ${pdev} */ 172 + /* same problem as above with ${pdev} */
164 + //pci_set_drvdata(${pdev}, net_dev); 173 + //pci_set_drvdata(${pdev}, net_dev);
165 + pci_set_drvdata(pdev, net_dev); 174 + pci_set_drvdata(pdev, net_dev);
166 + } 175 + }
180 + */ 189 + */
181 + free_netdev(net_dev); 190 + free_netdev(net_dev);
182 + } 191 + }
183 + } 192 + }
184 +} 193 +}
185 diff -r 5c8a128a8804 rathaxes/samples/lkm/ethernet.rti 194 diff -r 2d1319eabf8a rathaxes/samples/lkm/ethernet.rti
186 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 195 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
187 +++ b/rathaxes/samples/lkm/ethernet.rti Sat Jan 07 12:15:32 2012 +0100 196 +++ b/rathaxes/samples/lkm/ethernet.rti Sat Jan 07 18:27:27 2012 +0100
188 @@ -0,0 +1,37 @@ 197 @@ -0,0 +1,37 @@
189 +interface Ethernet : PCI, LKM 198 +interface Ethernet : PCI, LKM
190 +{ 199 +{
191 + provided type Ethernet::Device; 200 + provided type Ethernet::Device;
192 + 201 +
221 + provided sequence Ethernet::exit(PCI::Device) 230 + provided sequence Ethernet::exit(PCI::Device)
222 + { 231 + {
223 + provided chunk ::CALL; 232 + provided chunk ::CALL;
224 + } 233 + }
225 +} 234 +}
226 diff -r 5c8a128a8804 rathaxes/samples/lkm/lkm.rtx 235 diff -r 2d1319eabf8a rathaxes/samples/lkm/lkm.rtx
227 --- a/rathaxes/samples/lkm/lkm.rtx Sat Jan 07 11:23:27 2012 +0100 236 --- a/rathaxes/samples/lkm/lkm.rtx Sat Jan 07 18:13:48 2012 +0100
228 +++ b/rathaxes/samples/lkm/lkm.rtx Sat Jan 07 12:15:32 2012 +0100 237 +++ b/rathaxes/samples/lkm/lkm.rtx Sat Jan 07 18:27:27 2012 +0100
229 @@ -1,13 +1,30 @@ 238 @@ -1,13 +1,30 @@
230 device LKM use LKM, PCI, Log 239 device LKM use LKM, PCI, Log
231 { 240 {
232 + Ethernet::open(Ethernet::Device dev) 241 + Ethernet::open(Ethernet::Device dev)
233 + { 242 + {
264 PCI::vendor_id = 0x8086; 273 PCI::vendor_id = 0x8086;
265 PCI::product_id = 0x100f; 274 PCI::product_id = 0x100f;
266 + 275 +
267 + Ethernet::ifname = "rtx%d"; 276 + Ethernet::ifname = "rtx%d";
268 } 277 }
269 diff -r 5c8a128a8804 rathaxes/samples/lkm/pci.blt 278 diff -r 2d1319eabf8a rathaxes/samples/lkm/pci.blt
270 --- a/rathaxes/samples/lkm/pci.blt Sat Jan 07 11:23:27 2012 +0100 279 --- a/rathaxes/samples/lkm/pci.blt Sat Jan 07 18:13:48 2012 +0100
271 +++ b/rathaxes/samples/lkm/pci.blt Sat Jan 07 12:15:32 2012 +0100 280 +++ b/rathaxes/samples/lkm/pci.blt Sat Jan 07 18:27:27 2012 +0100
272 @@ -11,15 +11,12 @@ 281 @@ -11,15 +11,12 @@
273 282
274 chunk ::decl() 283 chunk ::decl()
275 { 284 {
276 - struct rtx_pci_device 285 - struct rtx_pci_device
315 - 324 -
316 int err; 325 int err;
317 - ${PCI::Device} *dev = NULL; 326 - ${PCI::Device} *dev = NULL;
318 327
319 err = pci_enable_device(pdev); 328 err = pci_enable_device(pdev);
320 // if (err < 0) /* `if' doesn't work */ 329 if (err < 0)
321 @@ -52,8 +55,6 @@ 330 @@ -52,8 +55,6 @@
322 331
323 ${pointcut ::IMPLEMENTATION}; 332 ${pointcut ::IMPLEMENTATION};
324 333
325 - pci_set_drvdata(pdev, dev); 334 - pci_set_drvdata(pdev, dev);