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Diffstat (limited to 'net/8021q/vlan.c')
-rw-r--r--net/8021q/vlan.c34
1 files changed, 16 insertions, 18 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 7a2625d2f9a0..68bdcf4a795c 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -83,13 +83,12 @@ static struct vlan_group *__vlan_find_group(struct net_device *real_dev)
83 * 83 *
84 * Must be invoked with RCU read lock (no preempt) 84 * Must be invoked with RCU read lock (no preempt)
85 */ 85 */
86struct net_device *__find_vlan_dev(struct net_device *real_dev, 86struct net_device *__find_vlan_dev(struct net_device *real_dev, u16 vlan_id)
87 unsigned short VID)
88{ 87{
89 struct vlan_group *grp = __vlan_find_group(real_dev); 88 struct vlan_group *grp = __vlan_find_group(real_dev);
90 89
91 if (grp) 90 if (grp)
92 return vlan_group_get_device(grp, VID); 91 return vlan_group_get_device(grp, vlan_id);
93 92
94 return NULL; 93 return NULL;
95} 94}
@@ -117,14 +116,14 @@ static struct vlan_group *vlan_group_alloc(struct net_device *real_dev)
117 return grp; 116 return grp;
118} 117}
119 118
120static int vlan_group_prealloc_vid(struct vlan_group *vg, int vid) 119static int vlan_group_prealloc_vid(struct vlan_group *vg, u16 vlan_id)
121{ 120{
122 struct net_device **array; 121 struct net_device **array;
123 unsigned int size; 122 unsigned int size;
124 123
125 ASSERT_RTNL(); 124 ASSERT_RTNL();
126 125
127 array = vg->vlan_devices_arrays[vid / VLAN_GROUP_ARRAY_PART_LEN]; 126 array = vg->vlan_devices_arrays[vlan_id / VLAN_GROUP_ARRAY_PART_LEN];
128 if (array != NULL) 127 if (array != NULL)
129 return 0; 128 return 0;
130 129
@@ -133,7 +132,7 @@ static int vlan_group_prealloc_vid(struct vlan_group *vg, int vid)
133 if (array == NULL) 132 if (array == NULL)
134 return -ENOBUFS; 133 return -ENOBUFS;
135 134
136 vg->vlan_devices_arrays[vid / VLAN_GROUP_ARRAY_PART_LEN] = array; 135 vg->vlan_devices_arrays[vlan_id / VLAN_GROUP_ARRAY_PART_LEN] = array;
137 return 0; 136 return 0;
138} 137}
139 138
@@ -147,7 +146,7 @@ void unregister_vlan_dev(struct net_device *dev)
147 struct vlan_dev_info *vlan = vlan_dev_info(dev); 146 struct vlan_dev_info *vlan = vlan_dev_info(dev);
148 struct net_device *real_dev = vlan->real_dev; 147 struct net_device *real_dev = vlan->real_dev;
149 struct vlan_group *grp; 148 struct vlan_group *grp;
150 unsigned short vlan_id = vlan->vlan_id; 149 u16 vlan_id = vlan->vlan_id;
151 150
152 ASSERT_RTNL(); 151 ASSERT_RTNL();
153 152
@@ -205,7 +204,7 @@ static void vlan_transfer_operstate(const struct net_device *dev,
205 } 204 }
206} 205}
207 206
208int vlan_check_real_dev(struct net_device *real_dev, unsigned short vlan_id) 207int vlan_check_real_dev(struct net_device *real_dev, u16 vlan_id)
209{ 208{
210 char *name = real_dev->name; 209 char *name = real_dev->name;
211 210
@@ -242,7 +241,7 @@ int register_vlan_dev(struct net_device *dev)
242{ 241{
243 struct vlan_dev_info *vlan = vlan_dev_info(dev); 242 struct vlan_dev_info *vlan = vlan_dev_info(dev);
244 struct net_device *real_dev = vlan->real_dev; 243 struct net_device *real_dev = vlan->real_dev;
245 unsigned short vlan_id = vlan->vlan_id; 244 u16 vlan_id = vlan->vlan_id;
246 struct vlan_group *grp, *ngrp = NULL; 245 struct vlan_group *grp, *ngrp = NULL;
247 int err; 246 int err;
248 247
@@ -295,8 +294,7 @@ out_free_group:
295/* Attach a VLAN device to a mac address (ie Ethernet Card). 294/* Attach a VLAN device to a mac address (ie Ethernet Card).
296 * Returns 0 if the device was created or a negative error code otherwise. 295 * Returns 0 if the device was created or a negative error code otherwise.
297 */ 296 */
298static int register_vlan_device(struct net_device *real_dev, 297static int register_vlan_device(struct net_device *real_dev, u16 vlan_id)
299 unsigned short VLAN_ID)
300{ 298{
301 struct net_device *new_dev; 299 struct net_device *new_dev;
302 struct net *net = dev_net(real_dev); 300 struct net *net = dev_net(real_dev);
@@ -304,10 +302,10 @@ static int register_vlan_device(struct net_device *real_dev,
304 char name[IFNAMSIZ]; 302 char name[IFNAMSIZ];
305 int err; 303 int err;
306 304
307 if (VLAN_ID >= VLAN_VID_MASK) 305 if (vlan_id >= VLAN_VID_MASK)
308 return -ERANGE; 306 return -ERANGE;
309 307
310 err = vlan_check_real_dev(real_dev, VLAN_ID); 308 err = vlan_check_real_dev(real_dev, vlan_id);
311 if (err < 0) 309 if (err < 0)
312 return err; 310 return err;
313 311
@@ -315,26 +313,26 @@ static int register_vlan_device(struct net_device *real_dev,
315 switch (vn->name_type) { 313 switch (vn->name_type) {
316 case VLAN_NAME_TYPE_RAW_PLUS_VID: 314 case VLAN_NAME_TYPE_RAW_PLUS_VID:
317 /* name will look like: eth1.0005 */ 315 /* name will look like: eth1.0005 */
318 snprintf(name, IFNAMSIZ, "%s.%.4i", real_dev->name, VLAN_ID); 316 snprintf(name, IFNAMSIZ, "%s.%.4i", real_dev->name, vlan_id);
319 break; 317 break;
320 case VLAN_NAME_TYPE_PLUS_VID_NO_PAD: 318 case VLAN_NAME_TYPE_PLUS_VID_NO_PAD:
321 /* Put our vlan.VID in the name. 319 /* Put our vlan.VID in the name.
322 * Name will look like: vlan5 320 * Name will look like: vlan5
323 */ 321 */
324 snprintf(name, IFNAMSIZ, "vlan%i", VLAN_ID); 322 snprintf(name, IFNAMSIZ, "vlan%i", vlan_id);
325 break; 323 break;
326 case VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD: 324 case VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD:
327 /* Put our vlan.VID in the name. 325 /* Put our vlan.VID in the name.
328 * Name will look like: eth0.5 326 * Name will look like: eth0.5
329 */ 327 */
330 snprintf(name, IFNAMSIZ, "%s.%i", real_dev->name, VLAN_ID); 328 snprintf(name, IFNAMSIZ, "%s.%i", real_dev->name, vlan_id);
331 break; 329 break;
332 case VLAN_NAME_TYPE_PLUS_VID: 330 case VLAN_NAME_TYPE_PLUS_VID:
333 /* Put our vlan.VID in the name. 331 /* Put our vlan.VID in the name.
334 * Name will look like: vlan0005 332 * Name will look like: vlan0005
335 */ 333 */
336 default: 334 default:
337 snprintf(name, IFNAMSIZ, "vlan%.4i", VLAN_ID); 335 snprintf(name, IFNAMSIZ, "vlan%.4i", vlan_id);
338 } 336 }
339 337
340 new_dev = alloc_netdev(sizeof(struct vlan_dev_info), name, 338 new_dev = alloc_netdev(sizeof(struct vlan_dev_info), name,
@@ -349,7 +347,7 @@ static int register_vlan_device(struct net_device *real_dev,
349 */ 347 */
350 new_dev->mtu = real_dev->mtu; 348 new_dev->mtu = real_dev->mtu;
351 349
352 vlan_dev_info(new_dev)->vlan_id = VLAN_ID; /* 1 through VLAN_VID_MASK */ 350 vlan_dev_info(new_dev)->vlan_id = vlan_id;
353 vlan_dev_info(new_dev)->real_dev = real_dev; 351 vlan_dev_info(new_dev)->real_dev = real_dev;
354 vlan_dev_info(new_dev)->dent = NULL; 352 vlan_dev_info(new_dev)->dent = NULL;
355 vlan_dev_info(new_dev)->flags = VLAN_FLAG_REORDER_HDR; 353 vlan_dev_info(new_dev)->flags = VLAN_FLAG_REORDER_HDR;