1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * drivers/net/bond/bond_netlink.c - Netlink interface for bonding |
4 | * Copyright (c) 2013 Jiri Pirko <jiri@resnulli.us> |
5 | * Copyright (c) 2013 Scott Feldman <sfeldma@cumulusnetworks.com> |
6 | */ |
7 | |
8 | #include <linux/module.h> |
9 | #include <linux/errno.h> |
10 | #include <linux/netdevice.h> |
11 | #include <linux/etherdevice.h> |
12 | #include <linux/if_link.h> |
13 | #include <linux/if_ether.h> |
14 | #include <net/netlink.h> |
15 | #include <net/rtnetlink.h> |
16 | #include <net/bonding.h> |
17 | #include <net/ipv6.h> |
18 | |
19 | static size_t bond_get_slave_size(const struct net_device *bond_dev, |
20 | const struct net_device *slave_dev) |
21 | { |
22 | return nla_total_size(payload: sizeof(u8)) + /* IFLA_BOND_SLAVE_STATE */ |
23 | nla_total_size(payload: sizeof(u8)) + /* IFLA_BOND_SLAVE_MII_STATUS */ |
24 | nla_total_size(payload: sizeof(u32)) + /* IFLA_BOND_SLAVE_LINK_FAILURE_COUNT */ |
25 | nla_total_size(MAX_ADDR_LEN) + /* IFLA_BOND_SLAVE_PERM_HWADDR */ |
26 | nla_total_size(payload: sizeof(u16)) + /* IFLA_BOND_SLAVE_QUEUE_ID */ |
27 | nla_total_size(payload: sizeof(u16)) + /* IFLA_BOND_SLAVE_AD_AGGREGATOR_ID */ |
28 | nla_total_size(payload: sizeof(u8)) + /* IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE */ |
29 | nla_total_size(payload: sizeof(u16)) + /* IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE */ |
30 | nla_total_size(payload: sizeof(s32)) + /* IFLA_BOND_SLAVE_PRIO */ |
31 | 0; |
32 | } |
33 | |
34 | static int bond_fill_slave_info(struct sk_buff *skb, |
35 | const struct net_device *bond_dev, |
36 | const struct net_device *slave_dev) |
37 | { |
38 | struct slave *slave = bond_slave_get_rtnl(slave_dev); |
39 | |
40 | if (nla_put_u8(skb, attrtype: IFLA_BOND_SLAVE_STATE, value: bond_slave_state(slave))) |
41 | goto nla_put_failure; |
42 | |
43 | if (nla_put_u8(skb, attrtype: IFLA_BOND_SLAVE_MII_STATUS, value: slave->link)) |
44 | goto nla_put_failure; |
45 | |
46 | if (nla_put_u32(skb, attrtype: IFLA_BOND_SLAVE_LINK_FAILURE_COUNT, |
47 | value: slave->link_failure_count)) |
48 | goto nla_put_failure; |
49 | |
50 | if (nla_put(skb, attrtype: IFLA_BOND_SLAVE_PERM_HWADDR, |
51 | attrlen: slave_dev->addr_len, data: slave->perm_hwaddr)) |
52 | goto nla_put_failure; |
53 | |
54 | if (nla_put_u16(skb, attrtype: IFLA_BOND_SLAVE_QUEUE_ID, value: slave->queue_id)) |
55 | goto nla_put_failure; |
56 | |
57 | if (nla_put_s32(skb, attrtype: IFLA_BOND_SLAVE_PRIO, value: slave->prio)) |
58 | goto nla_put_failure; |
59 | |
60 | if (BOND_MODE(slave->bond) == BOND_MODE_8023AD) { |
61 | const struct aggregator *agg; |
62 | const struct port *ad_port; |
63 | |
64 | ad_port = &SLAVE_AD_INFO(slave)->port; |
65 | agg = SLAVE_AD_INFO(slave)->port.aggregator; |
66 | if (agg) { |
67 | if (nla_put_u16(skb, attrtype: IFLA_BOND_SLAVE_AD_AGGREGATOR_ID, |
68 | value: agg->aggregator_identifier)) |
69 | goto nla_put_failure; |
70 | if (nla_put_u8(skb, |
71 | attrtype: IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE, |
72 | value: ad_port->actor_oper_port_state)) |
73 | goto nla_put_failure; |
74 | if (nla_put_u16(skb, |
75 | attrtype: IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE, |
76 | value: ad_port->partner_oper.port_state)) |
77 | goto nla_put_failure; |
78 | } |
79 | } |
80 | |
81 | return 0; |
82 | |
83 | nla_put_failure: |
84 | return -EMSGSIZE; |
85 | } |
86 | |
87 | /* Limit the max delay range to 300s */ |
88 | static const struct netlink_range_validation delay_range = { |
89 | .max = 300000, |
90 | }; |
91 | |
92 | static const struct nla_policy bond_policy[IFLA_BOND_MAX + 1] = { |
93 | [IFLA_BOND_MODE] = { .type = NLA_U8 }, |
94 | [IFLA_BOND_ACTIVE_SLAVE] = { .type = NLA_U32 }, |
95 | [IFLA_BOND_MIIMON] = { .type = NLA_U32 }, |
96 | [IFLA_BOND_UPDELAY] = { .type = NLA_U32 }, |
97 | [IFLA_BOND_DOWNDELAY] = { .type = NLA_U32 }, |
98 | [IFLA_BOND_USE_CARRIER] = { .type = NLA_U8 }, |
99 | [IFLA_BOND_ARP_INTERVAL] = { .type = NLA_U32 }, |
100 | [IFLA_BOND_ARP_IP_TARGET] = { .type = NLA_NESTED }, |
101 | [IFLA_BOND_ARP_VALIDATE] = { .type = NLA_U32 }, |
102 | [IFLA_BOND_ARP_ALL_TARGETS] = { .type = NLA_U32 }, |
103 | [IFLA_BOND_PRIMARY] = { .type = NLA_U32 }, |
104 | [IFLA_BOND_PRIMARY_RESELECT] = { .type = NLA_U8 }, |
105 | [IFLA_BOND_FAIL_OVER_MAC] = { .type = NLA_U8 }, |
106 | [IFLA_BOND_XMIT_HASH_POLICY] = { .type = NLA_U8 }, |
107 | [IFLA_BOND_RESEND_IGMP] = { .type = NLA_U32 }, |
108 | [IFLA_BOND_NUM_PEER_NOTIF] = { .type = NLA_U8 }, |
109 | [IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NLA_U8 }, |
110 | [IFLA_BOND_MIN_LINKS] = { .type = NLA_U32 }, |
111 | [IFLA_BOND_LP_INTERVAL] = { .type = NLA_U32 }, |
112 | [IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NLA_U32 }, |
113 | [IFLA_BOND_AD_LACP_ACTIVE] = { .type = NLA_U8 }, |
114 | [IFLA_BOND_AD_LACP_RATE] = { .type = NLA_U8 }, |
115 | [IFLA_BOND_AD_SELECT] = { .type = NLA_U8 }, |
116 | [IFLA_BOND_AD_INFO] = { .type = NLA_NESTED }, |
117 | [IFLA_BOND_AD_ACTOR_SYS_PRIO] = { .type = NLA_U16 }, |
118 | [IFLA_BOND_AD_USER_PORT_KEY] = { .type = NLA_U16 }, |
119 | [IFLA_BOND_AD_ACTOR_SYSTEM] = { .type = NLA_BINARY, |
120 | .len = ETH_ALEN }, |
121 | [IFLA_BOND_TLB_DYNAMIC_LB] = { .type = NLA_U8 }, |
122 | [IFLA_BOND_PEER_NOTIF_DELAY] = NLA_POLICY_FULL_RANGE(NLA_U32, &delay_range), |
123 | [IFLA_BOND_MISSED_MAX] = { .type = NLA_U8 }, |
124 | [IFLA_BOND_NS_IP6_TARGET] = { .type = NLA_NESTED }, |
125 | [IFLA_BOND_COUPLED_CONTROL] = { .type = NLA_U8 }, |
126 | }; |
127 | |
128 | static const struct nla_policy bond_slave_policy[IFLA_BOND_SLAVE_MAX + 1] = { |
129 | [IFLA_BOND_SLAVE_QUEUE_ID] = { .type = NLA_U16 }, |
130 | [IFLA_BOND_SLAVE_PRIO] = { .type = NLA_S32 }, |
131 | }; |
132 | |
133 | static int bond_validate(struct nlattr *tb[], struct nlattr *data[], |
134 | struct netlink_ext_ack *extack) |
135 | { |
136 | if (tb[IFLA_ADDRESS]) { |
137 | if (nla_len(nla: tb[IFLA_ADDRESS]) != ETH_ALEN) |
138 | return -EINVAL; |
139 | if (!is_valid_ether_addr(addr: nla_data(nla: tb[IFLA_ADDRESS]))) |
140 | return -EADDRNOTAVAIL; |
141 | } |
142 | return 0; |
143 | } |
144 | |
145 | static int bond_slave_changelink(struct net_device *bond_dev, |
146 | struct net_device *slave_dev, |
147 | struct nlattr *tb[], struct nlattr *data[], |
148 | struct netlink_ext_ack *extack) |
149 | { |
150 | struct bonding *bond = netdev_priv(dev: bond_dev); |
151 | struct bond_opt_value newval; |
152 | int err; |
153 | |
154 | if (!data) |
155 | return 0; |
156 | |
157 | if (data[IFLA_BOND_SLAVE_QUEUE_ID]) { |
158 | u16 queue_id = nla_get_u16(nla: data[IFLA_BOND_SLAVE_QUEUE_ID]); |
159 | char queue_id_str[IFNAMSIZ + 7]; |
160 | |
161 | /* queue_id option setting expects slave_name:queue_id */ |
162 | snprintf(buf: queue_id_str, size: sizeof(queue_id_str), fmt: "%s:%u\n" , |
163 | slave_dev->name, queue_id); |
164 | bond_opt_initstr(&newval, queue_id_str); |
165 | err = __bond_opt_set(bond, option: BOND_OPT_QUEUE_ID, val: &newval, |
166 | bad_attr: data[IFLA_BOND_SLAVE_QUEUE_ID], extack); |
167 | if (err) |
168 | return err; |
169 | } |
170 | |
171 | if (data[IFLA_BOND_SLAVE_PRIO]) { |
172 | int prio = nla_get_s32(nla: data[IFLA_BOND_SLAVE_PRIO]); |
173 | |
174 | bond_opt_slave_initval(&newval, &slave_dev, prio); |
175 | err = __bond_opt_set(bond, option: BOND_OPT_PRIO, val: &newval, |
176 | bad_attr: data[IFLA_BOND_SLAVE_PRIO], extack); |
177 | if (err) |
178 | return err; |
179 | } |
180 | |
181 | return 0; |
182 | } |
183 | |
184 | static int bond_changelink(struct net_device *bond_dev, struct nlattr *tb[], |
185 | struct nlattr *data[], |
186 | struct netlink_ext_ack *extack) |
187 | { |
188 | struct bonding *bond = netdev_priv(dev: bond_dev); |
189 | struct bond_opt_value newval; |
190 | int miimon = 0; |
191 | int err; |
192 | |
193 | if (!data) |
194 | return 0; |
195 | |
196 | if (data[IFLA_BOND_MODE]) { |
197 | int mode = nla_get_u8(nla: data[IFLA_BOND_MODE]); |
198 | |
199 | bond_opt_initval(&newval, mode); |
200 | err = __bond_opt_set(bond, option: BOND_OPT_MODE, val: &newval, |
201 | bad_attr: data[IFLA_BOND_MODE], extack); |
202 | if (err) |
203 | return err; |
204 | } |
205 | if (data[IFLA_BOND_ACTIVE_SLAVE]) { |
206 | int ifindex = nla_get_u32(nla: data[IFLA_BOND_ACTIVE_SLAVE]); |
207 | struct net_device *slave_dev; |
208 | char *active_slave = "" ; |
209 | |
210 | if (ifindex != 0) { |
211 | slave_dev = __dev_get_by_index(net: dev_net(dev: bond_dev), |
212 | ifindex); |
213 | if (!slave_dev) |
214 | return -ENODEV; |
215 | active_slave = slave_dev->name; |
216 | } |
217 | bond_opt_initstr(&newval, active_slave); |
218 | err = __bond_opt_set(bond, option: BOND_OPT_ACTIVE_SLAVE, val: &newval, |
219 | bad_attr: data[IFLA_BOND_ACTIVE_SLAVE], extack); |
220 | if (err) |
221 | return err; |
222 | } |
223 | if (data[IFLA_BOND_MIIMON]) { |
224 | miimon = nla_get_u32(nla: data[IFLA_BOND_MIIMON]); |
225 | |
226 | bond_opt_initval(&newval, miimon); |
227 | err = __bond_opt_set(bond, option: BOND_OPT_MIIMON, val: &newval, |
228 | bad_attr: data[IFLA_BOND_MIIMON], extack); |
229 | if (err) |
230 | return err; |
231 | } |
232 | if (data[IFLA_BOND_UPDELAY]) { |
233 | int updelay = nla_get_u32(nla: data[IFLA_BOND_UPDELAY]); |
234 | |
235 | bond_opt_initval(&newval, updelay); |
236 | err = __bond_opt_set(bond, option: BOND_OPT_UPDELAY, val: &newval, |
237 | bad_attr: data[IFLA_BOND_UPDELAY], extack); |
238 | if (err) |
239 | return err; |
240 | } |
241 | if (data[IFLA_BOND_DOWNDELAY]) { |
242 | int downdelay = nla_get_u32(nla: data[IFLA_BOND_DOWNDELAY]); |
243 | |
244 | bond_opt_initval(&newval, downdelay); |
245 | err = __bond_opt_set(bond, option: BOND_OPT_DOWNDELAY, val: &newval, |
246 | bad_attr: data[IFLA_BOND_DOWNDELAY], extack); |
247 | if (err) |
248 | return err; |
249 | } |
250 | if (data[IFLA_BOND_PEER_NOTIF_DELAY]) { |
251 | int delay = nla_get_u32(nla: data[IFLA_BOND_PEER_NOTIF_DELAY]); |
252 | |
253 | bond_opt_initval(&newval, delay); |
254 | err = __bond_opt_set(bond, option: BOND_OPT_PEER_NOTIF_DELAY, val: &newval, |
255 | bad_attr: data[IFLA_BOND_PEER_NOTIF_DELAY], extack); |
256 | if (err) |
257 | return err; |
258 | } |
259 | if (data[IFLA_BOND_USE_CARRIER]) { |
260 | int use_carrier = nla_get_u8(nla: data[IFLA_BOND_USE_CARRIER]); |
261 | |
262 | bond_opt_initval(&newval, use_carrier); |
263 | err = __bond_opt_set(bond, option: BOND_OPT_USE_CARRIER, val: &newval, |
264 | bad_attr: data[IFLA_BOND_USE_CARRIER], extack); |
265 | if (err) |
266 | return err; |
267 | } |
268 | if (data[IFLA_BOND_ARP_INTERVAL]) { |
269 | int arp_interval = nla_get_u32(nla: data[IFLA_BOND_ARP_INTERVAL]); |
270 | |
271 | if (arp_interval && miimon) { |
272 | NL_SET_ERR_MSG_ATTR(extack, data[IFLA_BOND_ARP_INTERVAL], |
273 | "ARP monitoring cannot be used with MII monitoring" ); |
274 | return -EINVAL; |
275 | } |
276 | |
277 | bond_opt_initval(&newval, arp_interval); |
278 | err = __bond_opt_set(bond, option: BOND_OPT_ARP_INTERVAL, val: &newval, |
279 | bad_attr: data[IFLA_BOND_ARP_INTERVAL], extack); |
280 | if (err) |
281 | return err; |
282 | } |
283 | if (data[IFLA_BOND_ARP_IP_TARGET]) { |
284 | struct nlattr *attr; |
285 | int i = 0, rem; |
286 | |
287 | bond_option_arp_ip_targets_clear(bond); |
288 | nla_for_each_nested(attr, data[IFLA_BOND_ARP_IP_TARGET], rem) { |
289 | __be32 target; |
290 | |
291 | if (nla_len(nla: attr) < sizeof(target)) |
292 | return -EINVAL; |
293 | |
294 | target = nla_get_be32(nla: attr); |
295 | |
296 | bond_opt_initval(&newval, (__force u64)target); |
297 | err = __bond_opt_set(bond, option: BOND_OPT_ARP_TARGETS, |
298 | val: &newval, |
299 | bad_attr: data[IFLA_BOND_ARP_IP_TARGET], |
300 | extack); |
301 | if (err) |
302 | break; |
303 | i++; |
304 | } |
305 | if (i == 0 && bond->params.arp_interval) |
306 | netdev_warn(dev: bond->dev, format: "Removing last arp target with arp_interval on\n" ); |
307 | if (err) |
308 | return err; |
309 | } |
310 | #if IS_ENABLED(CONFIG_IPV6) |
311 | if (data[IFLA_BOND_NS_IP6_TARGET]) { |
312 | struct nlattr *attr; |
313 | int i = 0, rem; |
314 | |
315 | bond_option_ns_ip6_targets_clear(bond); |
316 | nla_for_each_nested(attr, data[IFLA_BOND_NS_IP6_TARGET], rem) { |
317 | struct in6_addr addr6; |
318 | |
319 | if (nla_len(nla: attr) < sizeof(addr6)) { |
320 | NL_SET_ERR_MSG(extack, "Invalid IPv6 address" ); |
321 | return -EINVAL; |
322 | } |
323 | |
324 | addr6 = nla_get_in6_addr(nla: attr); |
325 | |
326 | bond_opt_initextra(&newval, &addr6, sizeof(addr6)); |
327 | err = __bond_opt_set(bond, option: BOND_OPT_NS_TARGETS, |
328 | val: &newval, |
329 | bad_attr: data[IFLA_BOND_NS_IP6_TARGET], |
330 | extack); |
331 | if (err) |
332 | break; |
333 | i++; |
334 | } |
335 | if (i == 0 && bond->params.arp_interval) |
336 | netdev_warn(dev: bond->dev, format: "Removing last ns target with arp_interval on\n" ); |
337 | if (err) |
338 | return err; |
339 | } |
340 | #endif |
341 | if (data[IFLA_BOND_ARP_VALIDATE]) { |
342 | int arp_validate = nla_get_u32(nla: data[IFLA_BOND_ARP_VALIDATE]); |
343 | |
344 | if (arp_validate && miimon) { |
345 | NL_SET_ERR_MSG_ATTR(extack, data[IFLA_BOND_ARP_INTERVAL], |
346 | "ARP validating cannot be used with MII monitoring" ); |
347 | return -EINVAL; |
348 | } |
349 | |
350 | bond_opt_initval(&newval, arp_validate); |
351 | err = __bond_opt_set(bond, option: BOND_OPT_ARP_VALIDATE, val: &newval, |
352 | bad_attr: data[IFLA_BOND_ARP_VALIDATE], extack); |
353 | if (err) |
354 | return err; |
355 | } |
356 | if (data[IFLA_BOND_ARP_ALL_TARGETS]) { |
357 | int arp_all_targets = |
358 | nla_get_u32(nla: data[IFLA_BOND_ARP_ALL_TARGETS]); |
359 | |
360 | bond_opt_initval(&newval, arp_all_targets); |
361 | err = __bond_opt_set(bond, option: BOND_OPT_ARP_ALL_TARGETS, val: &newval, |
362 | bad_attr: data[IFLA_BOND_ARP_ALL_TARGETS], extack); |
363 | if (err) |
364 | return err; |
365 | } |
366 | if (data[IFLA_BOND_PRIMARY]) { |
367 | int ifindex = nla_get_u32(nla: data[IFLA_BOND_PRIMARY]); |
368 | struct net_device *dev; |
369 | char *primary = "" ; |
370 | |
371 | dev = __dev_get_by_index(net: dev_net(dev: bond_dev), ifindex); |
372 | if (dev) |
373 | primary = dev->name; |
374 | |
375 | bond_opt_initstr(&newval, primary); |
376 | err = __bond_opt_set(bond, option: BOND_OPT_PRIMARY, val: &newval, |
377 | bad_attr: data[IFLA_BOND_PRIMARY], extack); |
378 | if (err) |
379 | return err; |
380 | } |
381 | if (data[IFLA_BOND_PRIMARY_RESELECT]) { |
382 | int primary_reselect = |
383 | nla_get_u8(nla: data[IFLA_BOND_PRIMARY_RESELECT]); |
384 | |
385 | bond_opt_initval(&newval, primary_reselect); |
386 | err = __bond_opt_set(bond, option: BOND_OPT_PRIMARY_RESELECT, val: &newval, |
387 | bad_attr: data[IFLA_BOND_PRIMARY_RESELECT], extack); |
388 | if (err) |
389 | return err; |
390 | } |
391 | if (data[IFLA_BOND_FAIL_OVER_MAC]) { |
392 | int fail_over_mac = |
393 | nla_get_u8(nla: data[IFLA_BOND_FAIL_OVER_MAC]); |
394 | |
395 | bond_opt_initval(&newval, fail_over_mac); |
396 | err = __bond_opt_set(bond, option: BOND_OPT_FAIL_OVER_MAC, val: &newval, |
397 | bad_attr: data[IFLA_BOND_FAIL_OVER_MAC], extack); |
398 | if (err) |
399 | return err; |
400 | } |
401 | if (data[IFLA_BOND_XMIT_HASH_POLICY]) { |
402 | int xmit_hash_policy = |
403 | nla_get_u8(nla: data[IFLA_BOND_XMIT_HASH_POLICY]); |
404 | |
405 | bond_opt_initval(&newval, xmit_hash_policy); |
406 | err = __bond_opt_set(bond, option: BOND_OPT_XMIT_HASH, val: &newval, |
407 | bad_attr: data[IFLA_BOND_XMIT_HASH_POLICY], extack); |
408 | if (err) |
409 | return err; |
410 | } |
411 | if (data[IFLA_BOND_RESEND_IGMP]) { |
412 | int resend_igmp = |
413 | nla_get_u32(nla: data[IFLA_BOND_RESEND_IGMP]); |
414 | |
415 | bond_opt_initval(&newval, resend_igmp); |
416 | err = __bond_opt_set(bond, option: BOND_OPT_RESEND_IGMP, val: &newval, |
417 | bad_attr: data[IFLA_BOND_RESEND_IGMP], extack); |
418 | if (err) |
419 | return err; |
420 | } |
421 | if (data[IFLA_BOND_NUM_PEER_NOTIF]) { |
422 | int num_peer_notif = |
423 | nla_get_u8(nla: data[IFLA_BOND_NUM_PEER_NOTIF]); |
424 | |
425 | bond_opt_initval(&newval, num_peer_notif); |
426 | err = __bond_opt_set(bond, option: BOND_OPT_NUM_PEER_NOTIF, val: &newval, |
427 | bad_attr: data[IFLA_BOND_NUM_PEER_NOTIF], extack); |
428 | if (err) |
429 | return err; |
430 | } |
431 | if (data[IFLA_BOND_ALL_SLAVES_ACTIVE]) { |
432 | int all_slaves_active = |
433 | nla_get_u8(nla: data[IFLA_BOND_ALL_SLAVES_ACTIVE]); |
434 | |
435 | bond_opt_initval(&newval, all_slaves_active); |
436 | err = __bond_opt_set(bond, option: BOND_OPT_ALL_SLAVES_ACTIVE, val: &newval, |
437 | bad_attr: data[IFLA_BOND_ALL_SLAVES_ACTIVE], extack); |
438 | if (err) |
439 | return err; |
440 | } |
441 | if (data[IFLA_BOND_MIN_LINKS]) { |
442 | int min_links = |
443 | nla_get_u32(nla: data[IFLA_BOND_MIN_LINKS]); |
444 | |
445 | bond_opt_initval(&newval, min_links); |
446 | err = __bond_opt_set(bond, option: BOND_OPT_MINLINKS, val: &newval, |
447 | bad_attr: data[IFLA_BOND_MIN_LINKS], extack); |
448 | if (err) |
449 | return err; |
450 | } |
451 | if (data[IFLA_BOND_LP_INTERVAL]) { |
452 | int lp_interval = |
453 | nla_get_u32(nla: data[IFLA_BOND_LP_INTERVAL]); |
454 | |
455 | bond_opt_initval(&newval, lp_interval); |
456 | err = __bond_opt_set(bond, option: BOND_OPT_LP_INTERVAL, val: &newval, |
457 | bad_attr: data[IFLA_BOND_LP_INTERVAL], extack); |
458 | if (err) |
459 | return err; |
460 | } |
461 | if (data[IFLA_BOND_PACKETS_PER_SLAVE]) { |
462 | int packets_per_slave = |
463 | nla_get_u32(nla: data[IFLA_BOND_PACKETS_PER_SLAVE]); |
464 | |
465 | bond_opt_initval(&newval, packets_per_slave); |
466 | err = __bond_opt_set(bond, option: BOND_OPT_PACKETS_PER_SLAVE, val: &newval, |
467 | bad_attr: data[IFLA_BOND_PACKETS_PER_SLAVE], extack); |
468 | if (err) |
469 | return err; |
470 | } |
471 | |
472 | if (data[IFLA_BOND_AD_LACP_ACTIVE]) { |
473 | int lacp_active = nla_get_u8(nla: data[IFLA_BOND_AD_LACP_ACTIVE]); |
474 | |
475 | bond_opt_initval(&newval, lacp_active); |
476 | err = __bond_opt_set(bond, option: BOND_OPT_LACP_ACTIVE, val: &newval, |
477 | bad_attr: data[IFLA_BOND_AD_LACP_ACTIVE], extack); |
478 | if (err) |
479 | return err; |
480 | } |
481 | |
482 | if (data[IFLA_BOND_AD_LACP_RATE]) { |
483 | int lacp_rate = |
484 | nla_get_u8(nla: data[IFLA_BOND_AD_LACP_RATE]); |
485 | |
486 | bond_opt_initval(&newval, lacp_rate); |
487 | err = __bond_opt_set(bond, option: BOND_OPT_LACP_RATE, val: &newval, |
488 | bad_attr: data[IFLA_BOND_AD_LACP_RATE], extack); |
489 | if (err) |
490 | return err; |
491 | } |
492 | if (data[IFLA_BOND_AD_SELECT]) { |
493 | int ad_select = |
494 | nla_get_u8(nla: data[IFLA_BOND_AD_SELECT]); |
495 | |
496 | bond_opt_initval(&newval, ad_select); |
497 | err = __bond_opt_set(bond, option: BOND_OPT_AD_SELECT, val: &newval, |
498 | bad_attr: data[IFLA_BOND_AD_SELECT], extack); |
499 | if (err) |
500 | return err; |
501 | } |
502 | if (data[IFLA_BOND_AD_ACTOR_SYS_PRIO]) { |
503 | int actor_sys_prio = |
504 | nla_get_u16(nla: data[IFLA_BOND_AD_ACTOR_SYS_PRIO]); |
505 | |
506 | bond_opt_initval(&newval, actor_sys_prio); |
507 | err = __bond_opt_set(bond, option: BOND_OPT_AD_ACTOR_SYS_PRIO, val: &newval, |
508 | bad_attr: data[IFLA_BOND_AD_ACTOR_SYS_PRIO], extack); |
509 | if (err) |
510 | return err; |
511 | } |
512 | if (data[IFLA_BOND_AD_USER_PORT_KEY]) { |
513 | int port_key = |
514 | nla_get_u16(nla: data[IFLA_BOND_AD_USER_PORT_KEY]); |
515 | |
516 | bond_opt_initval(&newval, port_key); |
517 | err = __bond_opt_set(bond, option: BOND_OPT_AD_USER_PORT_KEY, val: &newval, |
518 | bad_attr: data[IFLA_BOND_AD_USER_PORT_KEY], extack); |
519 | if (err) |
520 | return err; |
521 | } |
522 | if (data[IFLA_BOND_AD_ACTOR_SYSTEM]) { |
523 | if (nla_len(nla: data[IFLA_BOND_AD_ACTOR_SYSTEM]) != ETH_ALEN) |
524 | return -EINVAL; |
525 | |
526 | bond_opt_initval(&newval, |
527 | nla_get_u64(data[IFLA_BOND_AD_ACTOR_SYSTEM])); |
528 | err = __bond_opt_set(bond, option: BOND_OPT_AD_ACTOR_SYSTEM, val: &newval, |
529 | bad_attr: data[IFLA_BOND_AD_ACTOR_SYSTEM], extack); |
530 | if (err) |
531 | return err; |
532 | } |
533 | if (data[IFLA_BOND_TLB_DYNAMIC_LB]) { |
534 | int dynamic_lb = nla_get_u8(nla: data[IFLA_BOND_TLB_DYNAMIC_LB]); |
535 | |
536 | bond_opt_initval(&newval, dynamic_lb); |
537 | err = __bond_opt_set(bond, option: BOND_OPT_TLB_DYNAMIC_LB, val: &newval, |
538 | bad_attr: data[IFLA_BOND_TLB_DYNAMIC_LB], extack); |
539 | if (err) |
540 | return err; |
541 | } |
542 | |
543 | if (data[IFLA_BOND_MISSED_MAX]) { |
544 | int missed_max = nla_get_u8(nla: data[IFLA_BOND_MISSED_MAX]); |
545 | |
546 | bond_opt_initval(&newval, missed_max); |
547 | err = __bond_opt_set(bond, option: BOND_OPT_MISSED_MAX, val: &newval, |
548 | bad_attr: data[IFLA_BOND_MISSED_MAX], extack); |
549 | if (err) |
550 | return err; |
551 | } |
552 | |
553 | if (data[IFLA_BOND_COUPLED_CONTROL]) { |
554 | int coupled_control = nla_get_u8(nla: data[IFLA_BOND_COUPLED_CONTROL]); |
555 | |
556 | bond_opt_initval(&newval, coupled_control); |
557 | err = __bond_opt_set(bond, option: BOND_OPT_COUPLED_CONTROL, val: &newval, |
558 | bad_attr: data[IFLA_BOND_COUPLED_CONTROL], extack); |
559 | if (err) |
560 | return err; |
561 | } |
562 | |
563 | return 0; |
564 | } |
565 | |
566 | static int bond_newlink(struct net *src_net, struct net_device *bond_dev, |
567 | struct nlattr *tb[], struct nlattr *data[], |
568 | struct netlink_ext_ack *extack) |
569 | { |
570 | int err; |
571 | |
572 | err = bond_changelink(bond_dev, tb, data, extack); |
573 | if (err < 0) |
574 | return err; |
575 | |
576 | err = register_netdevice(dev: bond_dev); |
577 | if (!err) { |
578 | struct bonding *bond = netdev_priv(dev: bond_dev); |
579 | |
580 | netif_carrier_off(dev: bond_dev); |
581 | bond_work_init_all(bond); |
582 | } |
583 | |
584 | return err; |
585 | } |
586 | |
587 | static size_t bond_get_size(const struct net_device *bond_dev) |
588 | { |
589 | return nla_total_size(payload: sizeof(u8)) + /* IFLA_BOND_MODE */ |
590 | nla_total_size(payload: sizeof(u32)) + /* IFLA_BOND_ACTIVE_SLAVE */ |
591 | nla_total_size(payload: sizeof(u32)) + /* IFLA_BOND_MIIMON */ |
592 | nla_total_size(payload: sizeof(u32)) + /* IFLA_BOND_UPDELAY */ |
593 | nla_total_size(payload: sizeof(u32)) + /* IFLA_BOND_DOWNDELAY */ |
594 | nla_total_size(payload: sizeof(u8)) + /* IFLA_BOND_USE_CARRIER */ |
595 | nla_total_size(payload: sizeof(u32)) + /* IFLA_BOND_ARP_INTERVAL */ |
596 | /* IFLA_BOND_ARP_IP_TARGET */ |
597 | nla_total_size(payload: sizeof(struct nlattr)) + |
598 | nla_total_size(payload: sizeof(u32)) * BOND_MAX_ARP_TARGETS + |
599 | nla_total_size(payload: sizeof(u32)) + /* IFLA_BOND_ARP_VALIDATE */ |
600 | nla_total_size(payload: sizeof(u32)) + /* IFLA_BOND_ARP_ALL_TARGETS */ |
601 | nla_total_size(payload: sizeof(u32)) + /* IFLA_BOND_PRIMARY */ |
602 | nla_total_size(payload: sizeof(u8)) + /* IFLA_BOND_PRIMARY_RESELECT */ |
603 | nla_total_size(payload: sizeof(u8)) + /* IFLA_BOND_FAIL_OVER_MAC */ |
604 | nla_total_size(payload: sizeof(u8)) + /* IFLA_BOND_XMIT_HASH_POLICY */ |
605 | nla_total_size(payload: sizeof(u32)) + /* IFLA_BOND_RESEND_IGMP */ |
606 | nla_total_size(payload: sizeof(u8)) + /* IFLA_BOND_NUM_PEER_NOTIF */ |
607 | nla_total_size(payload: sizeof(u8)) + /* IFLA_BOND_ALL_SLAVES_ACTIVE */ |
608 | nla_total_size(payload: sizeof(u32)) + /* IFLA_BOND_MIN_LINKS */ |
609 | nla_total_size(payload: sizeof(u32)) + /* IFLA_BOND_LP_INTERVAL */ |
610 | nla_total_size(payload: sizeof(u32)) + /* IFLA_BOND_PACKETS_PER_SLAVE */ |
611 | nla_total_size(payload: sizeof(u8)) + /* IFLA_BOND_AD_LACP_ACTIVE */ |
612 | nla_total_size(payload: sizeof(u8)) + /* IFLA_BOND_AD_LACP_RATE */ |
613 | nla_total_size(payload: sizeof(u8)) + /* IFLA_BOND_AD_SELECT */ |
614 | nla_total_size(payload: sizeof(struct nlattr)) + /* IFLA_BOND_AD_INFO */ |
615 | nla_total_size(payload: sizeof(u16)) + /* IFLA_BOND_AD_INFO_AGGREGATOR */ |
616 | nla_total_size(payload: sizeof(u16)) + /* IFLA_BOND_AD_INFO_NUM_PORTS */ |
617 | nla_total_size(payload: sizeof(u16)) + /* IFLA_BOND_AD_INFO_ACTOR_KEY */ |
618 | nla_total_size(payload: sizeof(u16)) + /* IFLA_BOND_AD_INFO_PARTNER_KEY*/ |
619 | nla_total_size(ETH_ALEN) + /* IFLA_BOND_AD_INFO_PARTNER_MAC*/ |
620 | nla_total_size(payload: sizeof(u16)) + /* IFLA_BOND_AD_ACTOR_SYS_PRIO */ |
621 | nla_total_size(payload: sizeof(u16)) + /* IFLA_BOND_AD_USER_PORT_KEY */ |
622 | nla_total_size(ETH_ALEN) + /* IFLA_BOND_AD_ACTOR_SYSTEM */ |
623 | nla_total_size(payload: sizeof(u8)) + /* IFLA_BOND_TLB_DYNAMIC_LB */ |
624 | nla_total_size(payload: sizeof(u32)) + /* IFLA_BOND_PEER_NOTIF_DELAY */ |
625 | nla_total_size(payload: sizeof(u8)) + /* IFLA_BOND_MISSED_MAX */ |
626 | /* IFLA_BOND_NS_IP6_TARGET */ |
627 | nla_total_size(payload: sizeof(struct nlattr)) + |
628 | nla_total_size(payload: sizeof(struct in6_addr)) * BOND_MAX_NS_TARGETS + |
629 | nla_total_size(payload: sizeof(u8)) + /* IFLA_BOND_COUPLED_CONTROL */ |
630 | 0; |
631 | } |
632 | |
633 | static int bond_option_active_slave_get_ifindex(struct bonding *bond) |
634 | { |
635 | const struct net_device *slave; |
636 | int ifindex; |
637 | |
638 | rcu_read_lock(); |
639 | slave = bond_option_active_slave_get_rcu(bond); |
640 | ifindex = slave ? slave->ifindex : 0; |
641 | rcu_read_unlock(); |
642 | return ifindex; |
643 | } |
644 | |
645 | static int bond_fill_info(struct sk_buff *skb, |
646 | const struct net_device *bond_dev) |
647 | { |
648 | struct bonding *bond = netdev_priv(dev: bond_dev); |
649 | unsigned int packets_per_slave; |
650 | int ifindex, i, targets_added; |
651 | struct nlattr *targets; |
652 | struct slave *primary; |
653 | |
654 | if (nla_put_u8(skb, attrtype: IFLA_BOND_MODE, BOND_MODE(bond))) |
655 | goto nla_put_failure; |
656 | |
657 | ifindex = bond_option_active_slave_get_ifindex(bond); |
658 | if (ifindex && nla_put_u32(skb, attrtype: IFLA_BOND_ACTIVE_SLAVE, value: ifindex)) |
659 | goto nla_put_failure; |
660 | |
661 | if (nla_put_u32(skb, attrtype: IFLA_BOND_MIIMON, value: bond->params.miimon)) |
662 | goto nla_put_failure; |
663 | |
664 | if (nla_put_u32(skb, attrtype: IFLA_BOND_UPDELAY, |
665 | value: bond->params.updelay * bond->params.miimon)) |
666 | goto nla_put_failure; |
667 | |
668 | if (nla_put_u32(skb, attrtype: IFLA_BOND_DOWNDELAY, |
669 | value: bond->params.downdelay * bond->params.miimon)) |
670 | goto nla_put_failure; |
671 | |
672 | if (nla_put_u32(skb, attrtype: IFLA_BOND_PEER_NOTIF_DELAY, |
673 | value: bond->params.peer_notif_delay * bond->params.miimon)) |
674 | goto nla_put_failure; |
675 | |
676 | if (nla_put_u8(skb, attrtype: IFLA_BOND_USE_CARRIER, value: bond->params.use_carrier)) |
677 | goto nla_put_failure; |
678 | |
679 | if (nla_put_u32(skb, attrtype: IFLA_BOND_ARP_INTERVAL, value: bond->params.arp_interval)) |
680 | goto nla_put_failure; |
681 | |
682 | targets = nla_nest_start_noflag(skb, attrtype: IFLA_BOND_ARP_IP_TARGET); |
683 | if (!targets) |
684 | goto nla_put_failure; |
685 | |
686 | targets_added = 0; |
687 | for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) { |
688 | if (bond->params.arp_targets[i]) { |
689 | if (nla_put_be32(skb, attrtype: i, value: bond->params.arp_targets[i])) |
690 | goto nla_put_failure; |
691 | targets_added = 1; |
692 | } |
693 | } |
694 | |
695 | if (targets_added) |
696 | nla_nest_end(skb, start: targets); |
697 | else |
698 | nla_nest_cancel(skb, start: targets); |
699 | |
700 | if (nla_put_u32(skb, attrtype: IFLA_BOND_ARP_VALIDATE, value: bond->params.arp_validate)) |
701 | goto nla_put_failure; |
702 | |
703 | if (nla_put_u32(skb, attrtype: IFLA_BOND_ARP_ALL_TARGETS, |
704 | value: bond->params.arp_all_targets)) |
705 | goto nla_put_failure; |
706 | |
707 | #if IS_ENABLED(CONFIG_IPV6) |
708 | targets = nla_nest_start(skb, attrtype: IFLA_BOND_NS_IP6_TARGET); |
709 | if (!targets) |
710 | goto nla_put_failure; |
711 | |
712 | targets_added = 0; |
713 | for (i = 0; i < BOND_MAX_NS_TARGETS; i++) { |
714 | if (!ipv6_addr_any(a: &bond->params.ns_targets[i])) { |
715 | if (nla_put_in6_addr(skb, attrtype: i, addr: &bond->params.ns_targets[i])) |
716 | goto nla_put_failure; |
717 | targets_added = 1; |
718 | } |
719 | } |
720 | |
721 | if (targets_added) |
722 | nla_nest_end(skb, start: targets); |
723 | else |
724 | nla_nest_cancel(skb, start: targets); |
725 | #endif |
726 | |
727 | primary = rtnl_dereference(bond->primary_slave); |
728 | if (primary && |
729 | nla_put_u32(skb, attrtype: IFLA_BOND_PRIMARY, value: primary->dev->ifindex)) |
730 | goto nla_put_failure; |
731 | |
732 | if (nla_put_u8(skb, attrtype: IFLA_BOND_PRIMARY_RESELECT, |
733 | value: bond->params.primary_reselect)) |
734 | goto nla_put_failure; |
735 | |
736 | if (nla_put_u8(skb, attrtype: IFLA_BOND_FAIL_OVER_MAC, |
737 | value: bond->params.fail_over_mac)) |
738 | goto nla_put_failure; |
739 | |
740 | if (nla_put_u8(skb, attrtype: IFLA_BOND_XMIT_HASH_POLICY, |
741 | value: bond->params.xmit_policy)) |
742 | goto nla_put_failure; |
743 | |
744 | if (nla_put_u32(skb, attrtype: IFLA_BOND_RESEND_IGMP, |
745 | value: bond->params.resend_igmp)) |
746 | goto nla_put_failure; |
747 | |
748 | if (nla_put_u8(skb, attrtype: IFLA_BOND_NUM_PEER_NOTIF, |
749 | value: bond->params.num_peer_notif)) |
750 | goto nla_put_failure; |
751 | |
752 | if (nla_put_u8(skb, attrtype: IFLA_BOND_ALL_SLAVES_ACTIVE, |
753 | value: bond->params.all_slaves_active)) |
754 | goto nla_put_failure; |
755 | |
756 | if (nla_put_u32(skb, attrtype: IFLA_BOND_MIN_LINKS, |
757 | value: bond->params.min_links)) |
758 | goto nla_put_failure; |
759 | |
760 | if (nla_put_u32(skb, attrtype: IFLA_BOND_LP_INTERVAL, |
761 | value: bond->params.lp_interval)) |
762 | goto nla_put_failure; |
763 | |
764 | packets_per_slave = bond->params.packets_per_slave; |
765 | if (nla_put_u32(skb, attrtype: IFLA_BOND_PACKETS_PER_SLAVE, |
766 | value: packets_per_slave)) |
767 | goto nla_put_failure; |
768 | |
769 | if (nla_put_u8(skb, attrtype: IFLA_BOND_AD_LACP_ACTIVE, |
770 | value: bond->params.lacp_active)) |
771 | goto nla_put_failure; |
772 | |
773 | if (nla_put_u8(skb, attrtype: IFLA_BOND_AD_LACP_RATE, |
774 | value: bond->params.lacp_fast)) |
775 | goto nla_put_failure; |
776 | |
777 | if (nla_put_u8(skb, attrtype: IFLA_BOND_AD_SELECT, |
778 | value: bond->params.ad_select)) |
779 | goto nla_put_failure; |
780 | |
781 | if (nla_put_u8(skb, attrtype: IFLA_BOND_TLB_DYNAMIC_LB, |
782 | value: bond->params.tlb_dynamic_lb)) |
783 | goto nla_put_failure; |
784 | |
785 | if (nla_put_u8(skb, attrtype: IFLA_BOND_MISSED_MAX, |
786 | value: bond->params.missed_max)) |
787 | goto nla_put_failure; |
788 | |
789 | if (nla_put_u8(skb, attrtype: IFLA_BOND_COUPLED_CONTROL, |
790 | value: bond->params.coupled_control)) |
791 | goto nla_put_failure; |
792 | |
793 | if (BOND_MODE(bond) == BOND_MODE_8023AD) { |
794 | struct ad_info info; |
795 | |
796 | if (capable(CAP_NET_ADMIN)) { |
797 | if (nla_put_u16(skb, attrtype: IFLA_BOND_AD_ACTOR_SYS_PRIO, |
798 | value: bond->params.ad_actor_sys_prio)) |
799 | goto nla_put_failure; |
800 | |
801 | if (nla_put_u16(skb, attrtype: IFLA_BOND_AD_USER_PORT_KEY, |
802 | value: bond->params.ad_user_port_key)) |
803 | goto nla_put_failure; |
804 | |
805 | if (nla_put(skb, attrtype: IFLA_BOND_AD_ACTOR_SYSTEM, |
806 | ETH_ALEN, data: &bond->params.ad_actor_system)) |
807 | goto nla_put_failure; |
808 | } |
809 | if (!bond_3ad_get_active_agg_info(bond, ad_info: &info)) { |
810 | struct nlattr *nest; |
811 | |
812 | nest = nla_nest_start_noflag(skb, attrtype: IFLA_BOND_AD_INFO); |
813 | if (!nest) |
814 | goto nla_put_failure; |
815 | |
816 | if (nla_put_u16(skb, attrtype: IFLA_BOND_AD_INFO_AGGREGATOR, |
817 | value: info.aggregator_id)) |
818 | goto nla_put_failure; |
819 | if (nla_put_u16(skb, attrtype: IFLA_BOND_AD_INFO_NUM_PORTS, |
820 | value: info.ports)) |
821 | goto nla_put_failure; |
822 | if (nla_put_u16(skb, attrtype: IFLA_BOND_AD_INFO_ACTOR_KEY, |
823 | value: info.actor_key)) |
824 | goto nla_put_failure; |
825 | if (nla_put_u16(skb, attrtype: IFLA_BOND_AD_INFO_PARTNER_KEY, |
826 | value: info.partner_key)) |
827 | goto nla_put_failure; |
828 | if (nla_put(skb, attrtype: IFLA_BOND_AD_INFO_PARTNER_MAC, |
829 | attrlen: sizeof(info.partner_system), |
830 | data: &info.partner_system)) |
831 | goto nla_put_failure; |
832 | |
833 | nla_nest_end(skb, start: nest); |
834 | } |
835 | } |
836 | |
837 | return 0; |
838 | |
839 | nla_put_failure: |
840 | return -EMSGSIZE; |
841 | } |
842 | |
843 | static size_t bond_get_linkxstats_size(const struct net_device *dev, int attr) |
844 | { |
845 | switch (attr) { |
846 | case IFLA_STATS_LINK_XSTATS: |
847 | case IFLA_STATS_LINK_XSTATS_SLAVE: |
848 | break; |
849 | default: |
850 | return 0; |
851 | } |
852 | |
853 | return bond_3ad_stats_size() + nla_total_size(payload: 0); |
854 | } |
855 | |
856 | static int bond_fill_linkxstats(struct sk_buff *skb, |
857 | const struct net_device *dev, |
858 | int *prividx, int attr) |
859 | { |
860 | struct nlattr *nla __maybe_unused; |
861 | struct slave *slave = NULL; |
862 | struct nlattr *nest, *nest2; |
863 | struct bonding *bond; |
864 | |
865 | switch (attr) { |
866 | case IFLA_STATS_LINK_XSTATS: |
867 | bond = netdev_priv(dev); |
868 | break; |
869 | case IFLA_STATS_LINK_XSTATS_SLAVE: |
870 | slave = bond_slave_get_rtnl(dev); |
871 | if (!slave) |
872 | return 0; |
873 | bond = slave->bond; |
874 | break; |
875 | default: |
876 | return -EINVAL; |
877 | } |
878 | |
879 | nest = nla_nest_start_noflag(skb, attrtype: LINK_XSTATS_TYPE_BOND); |
880 | if (!nest) |
881 | return -EMSGSIZE; |
882 | if (BOND_MODE(bond) == BOND_MODE_8023AD) { |
883 | struct bond_3ad_stats *stats; |
884 | |
885 | if (slave) |
886 | stats = &SLAVE_AD_INFO(slave)->stats; |
887 | else |
888 | stats = &BOND_AD_INFO(bond).stats; |
889 | |
890 | nest2 = nla_nest_start_noflag(skb, attrtype: BOND_XSTATS_3AD); |
891 | if (!nest2) { |
892 | nla_nest_end(skb, start: nest); |
893 | return -EMSGSIZE; |
894 | } |
895 | |
896 | if (bond_3ad_stats_fill(skb, stats)) { |
897 | nla_nest_cancel(skb, start: nest2); |
898 | nla_nest_end(skb, start: nest); |
899 | return -EMSGSIZE; |
900 | } |
901 | nla_nest_end(skb, start: nest2); |
902 | } |
903 | nla_nest_end(skb, start: nest); |
904 | |
905 | return 0; |
906 | } |
907 | |
908 | struct rtnl_link_ops bond_link_ops __read_mostly = { |
909 | .kind = "bond" , |
910 | .priv_size = sizeof(struct bonding), |
911 | .setup = bond_setup, |
912 | .maxtype = IFLA_BOND_MAX, |
913 | .policy = bond_policy, |
914 | .validate = bond_validate, |
915 | .newlink = bond_newlink, |
916 | .changelink = bond_changelink, |
917 | .get_size = bond_get_size, |
918 | .fill_info = bond_fill_info, |
919 | .get_num_tx_queues = bond_get_num_tx_queues, |
920 | .get_num_rx_queues = bond_get_num_tx_queues, /* Use the same number |
921 | as for TX queues */ |
922 | .fill_linkxstats = bond_fill_linkxstats, |
923 | .get_linkxstats_size = bond_get_linkxstats_size, |
924 | .slave_maxtype = IFLA_BOND_SLAVE_MAX, |
925 | .slave_policy = bond_slave_policy, |
926 | .slave_changelink = bond_slave_changelink, |
927 | .get_slave_size = bond_get_slave_size, |
928 | .fill_slave_info = bond_fill_slave_info, |
929 | }; |
930 | |
931 | int __init bond_netlink_init(void) |
932 | { |
933 | return rtnl_link_register(ops: &bond_link_ops); |
934 | } |
935 | |
936 | void bond_netlink_fini(void) |
937 | { |
938 | rtnl_link_unregister(ops: &bond_link_ops); |
939 | } |
940 | |
941 | MODULE_ALIAS_RTNL_LINK("bond" ); |
942 | |