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Commit | Line | Data |
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0a2a78c4 JP |
1 | /* |
2 | * drivers/net/bond/bond_netlink.c - Netlink interface for bonding | |
3 | * Copyright (c) 2013 Jiri Pirko <jiri@resnulli.us> | |
eecdaa6e | 4 | * Copyright (c) 2013 Scott Feldman <sfeldma@cumulusnetworks.com> |
0a2a78c4 JP |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | */ | |
11 | ||
0a2a78c4 JP |
12 | #include <linux/module.h> |
13 | #include <linux/errno.h> | |
14 | #include <linux/netdevice.h> | |
15 | #include <linux/etherdevice.h> | |
16 | #include <linux/if_link.h> | |
17 | #include <linux/if_ether.h> | |
18 | #include <net/netlink.h> | |
19 | #include <net/rtnetlink.h> | |
20 | #include "bonding.h" | |
21 | ||
3bad540e JP |
22 | static size_t bond_get_slave_size(const struct net_device *bond_dev, |
23 | const struct net_device *slave_dev) | |
24 | { | |
25 | return nla_total_size(sizeof(u8)) + /* IFLA_BOND_SLAVE_STATE */ | |
26 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_SLAVE_MII_STATUS */ | |
27 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_SLAVE_LINK_FAILURE_COUNT */ | |
28 | nla_total_size(MAX_ADDR_LEN) + /* IFLA_BOND_SLAVE_PERM_HWADDR */ | |
29 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_SLAVE_QUEUE_ID */ | |
30 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_SLAVE_AD_AGGREGATOR_ID */ | |
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) | |
1d3ee88a | 37 | { |
38 | struct slave *slave = bond_slave_get_rtnl(slave_dev); | |
1d3ee88a | 39 | |
df7dbcbb | 40 | if (nla_put_u8(skb, IFLA_BOND_SLAVE_STATE, bond_slave_state(slave))) |
1d3ee88a | 41 | goto nla_put_failure; |
42 | ||
df7dbcbb | 43 | if (nla_put_u8(skb, IFLA_BOND_SLAVE_MII_STATUS, slave->link)) |
1d3ee88a | 44 | goto nla_put_failure; |
45 | ||
df7dbcbb | 46 | if (nla_put_u32(skb, IFLA_BOND_SLAVE_LINK_FAILURE_COUNT, |
1d3ee88a | 47 | slave->link_failure_count)) |
48 | goto nla_put_failure; | |
49 | ||
df7dbcbb | 50 | if (nla_put(skb, IFLA_BOND_SLAVE_PERM_HWADDR, |
1d3ee88a | 51 | slave_dev->addr_len, slave->perm_hwaddr)) |
52 | goto nla_put_failure; | |
53 | ||
df7dbcbb | 54 | if (nla_put_u16(skb, IFLA_BOND_SLAVE_QUEUE_ID, slave->queue_id)) |
1d3ee88a | 55 | goto nla_put_failure; |
56 | ||
01844098 | 57 | if (BOND_MODE(slave->bond) == BOND_MODE_8023AD) { |
3bad540e JP |
58 | const struct aggregator *agg; |
59 | ||
3fdddd85 | 60 | agg = SLAVE_AD_INFO(slave)->port.aggregator; |
1d3ee88a | 61 | if (agg) |
df7dbcbb | 62 | if (nla_put_u16(skb, IFLA_BOND_SLAVE_AD_AGGREGATOR_ID, |
1d3ee88a | 63 | agg->aggregator_identifier)) |
64 | goto nla_put_failure; | |
65 | } | |
66 | ||
67 | return 0; | |
68 | ||
69 | nla_put_failure: | |
70 | return -EMSGSIZE; | |
71 | } | |
72 | ||
90af2311 JP |
73 | static const struct nla_policy bond_policy[IFLA_BOND_MAX + 1] = { |
74 | [IFLA_BOND_MODE] = { .type = NLA_U8 }, | |
ec76aa49 | 75 | [IFLA_BOND_ACTIVE_SLAVE] = { .type = NLA_U32 }, |
eecdaa6e | 76 | [IFLA_BOND_MIIMON] = { .type = NLA_U32 }, |
25852e29 | 77 | [IFLA_BOND_UPDELAY] = { .type = NLA_U32 }, |
c7461f9b | 78 | [IFLA_BOND_DOWNDELAY] = { .type = NLA_U32 }, |
9f53e14e | 79 | [IFLA_BOND_USE_CARRIER] = { .type = NLA_U8 }, |
06151dbc | 80 | [IFLA_BOND_ARP_INTERVAL] = { .type = NLA_U32 }, |
7f28fa10 | 81 | [IFLA_BOND_ARP_IP_TARGET] = { .type = NLA_NESTED }, |
29c49482 | 82 | [IFLA_BOND_ARP_VALIDATE] = { .type = NLA_U32 }, |
d5c84254 | 83 | [IFLA_BOND_ARP_ALL_TARGETS] = { .type = NLA_U32 }, |
0a98a0d1 | 84 | [IFLA_BOND_PRIMARY] = { .type = NLA_U32 }, |
8a41ae44 | 85 | [IFLA_BOND_PRIMARY_RESELECT] = { .type = NLA_U8 }, |
89901972 | 86 | [IFLA_BOND_FAIL_OVER_MAC] = { .type = NLA_U8 }, |
f70161c6 | 87 | [IFLA_BOND_XMIT_HASH_POLICY] = { .type = NLA_U8 }, |
d8838de7 | 88 | [IFLA_BOND_RESEND_IGMP] = { .type = NLA_U32 }, |
2c9839c1 | 89 | [IFLA_BOND_NUM_PEER_NOTIF] = { .type = NLA_U8 }, |
1cc0b1e3 | 90 | [IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NLA_U8 }, |
7d101008 | 91 | [IFLA_BOND_MIN_LINKS] = { .type = NLA_U32 }, |
8d836d09 | 92 | [IFLA_BOND_LP_INTERVAL] = { .type = NLA_U32 }, |
c13ab3ff | 93 | [IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NLA_U32 }, |
998e40bb | 94 | [IFLA_BOND_AD_LACP_RATE] = { .type = NLA_U8 }, |
ec029fac | 95 | [IFLA_BOND_AD_SELECT] = { .type = NLA_U8 }, |
4ee7ac75 | 96 | [IFLA_BOND_AD_INFO] = { .type = NLA_NESTED }, |
90af2311 JP |
97 | }; |
98 | ||
cea6aeb6 JP |
99 | static const struct nla_policy bond_slave_policy[IFLA_BOND_SLAVE_MAX + 1] = { |
100 | [IFLA_BOND_SLAVE_QUEUE_ID] = { .type = NLA_U16 }, | |
101 | }; | |
102 | ||
0a2a78c4 JP |
103 | static int bond_validate(struct nlattr *tb[], struct nlattr *data[]) |
104 | { | |
105 | if (tb[IFLA_ADDRESS]) { | |
106 | if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) | |
107 | return -EINVAL; | |
108 | if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS]))) | |
109 | return -EADDRNOTAVAIL; | |
110 | } | |
111 | return 0; | |
112 | } | |
113 | ||
0f23124a NA |
114 | static int bond_slave_changelink(struct net_device *bond_dev, |
115 | struct net_device *slave_dev, | |
116 | struct nlattr *tb[], struct nlattr *data[]) | |
117 | { | |
118 | struct bonding *bond = netdev_priv(bond_dev); | |
119 | struct bond_opt_value newval; | |
120 | int err; | |
121 | ||
122 | if (!data) | |
123 | return 0; | |
124 | ||
125 | if (data[IFLA_BOND_SLAVE_QUEUE_ID]) { | |
126 | u16 queue_id = nla_get_u16(data[IFLA_BOND_SLAVE_QUEUE_ID]); | |
127 | char queue_id_str[IFNAMSIZ + 7]; | |
128 | ||
129 | /* queue_id option setting expects slave_name:queue_id */ | |
130 | snprintf(queue_id_str, sizeof(queue_id_str), "%s:%u\n", | |
131 | slave_dev->name, queue_id); | |
132 | bond_opt_initstr(&newval, queue_id_str); | |
133 | err = __bond_opt_set(bond, BOND_OPT_QUEUE_ID, &newval); | |
134 | if (err) | |
135 | return err; | |
136 | } | |
137 | ||
138 | return 0; | |
139 | } | |
140 | ||
90af2311 JP |
141 | static int bond_changelink(struct net_device *bond_dev, |
142 | struct nlattr *tb[], struct nlattr *data[]) | |
143 | { | |
144 | struct bonding *bond = netdev_priv(bond_dev); | |
2b3798d5 | 145 | struct bond_opt_value newval; |
06151dbc | 146 | int miimon = 0; |
90af2311 JP |
147 | int err; |
148 | ||
eecdaa6e | 149 | if (!data) |
150 | return 0; | |
151 | ||
152 | if (data[IFLA_BOND_MODE]) { | |
90af2311 JP |
153 | int mode = nla_get_u8(data[IFLA_BOND_MODE]); |
154 | ||
2b3798d5 NA |
155 | bond_opt_initval(&newval, mode); |
156 | err = __bond_opt_set(bond, BOND_OPT_MODE, &newval); | |
90af2311 JP |
157 | if (err) |
158 | return err; | |
159 | } | |
eecdaa6e | 160 | if (data[IFLA_BOND_ACTIVE_SLAVE]) { |
ec76aa49 JP |
161 | int ifindex = nla_get_u32(data[IFLA_BOND_ACTIVE_SLAVE]); |
162 | struct net_device *slave_dev; | |
d1fbd3ed | 163 | char *active_slave = ""; |
ec76aa49 | 164 | |
d1fbd3ed | 165 | if (ifindex != 0) { |
ec76aa49 JP |
166 | slave_dev = __dev_get_by_index(dev_net(bond_dev), |
167 | ifindex); | |
168 | if (!slave_dev) | |
169 | return -ENODEV; | |
d1fbd3ed | 170 | active_slave = slave_dev->name; |
ec76aa49 | 171 | } |
d1fbd3ed NA |
172 | bond_opt_initstr(&newval, active_slave); |
173 | err = __bond_opt_set(bond, BOND_OPT_ACTIVE_SLAVE, &newval); | |
ec76aa49 JP |
174 | if (err) |
175 | return err; | |
176 | } | |
eecdaa6e | 177 | if (data[IFLA_BOND_MIIMON]) { |
06151dbc | 178 | miimon = nla_get_u32(data[IFLA_BOND_MIIMON]); |
eecdaa6e | 179 | |
b98d9c66 NA |
180 | bond_opt_initval(&newval, miimon); |
181 | err = __bond_opt_set(bond, BOND_OPT_MIIMON, &newval); | |
eecdaa6e | 182 | if (err) |
183 | return err; | |
184 | } | |
25852e29 | 185 | if (data[IFLA_BOND_UPDELAY]) { |
186 | int updelay = nla_get_u32(data[IFLA_BOND_UPDELAY]); | |
187 | ||
e4994612 NA |
188 | bond_opt_initval(&newval, updelay); |
189 | err = __bond_opt_set(bond, BOND_OPT_UPDELAY, &newval); | |
25852e29 | 190 | if (err) |
191 | return err; | |
192 | } | |
c7461f9b | 193 | if (data[IFLA_BOND_DOWNDELAY]) { |
194 | int downdelay = nla_get_u32(data[IFLA_BOND_DOWNDELAY]); | |
195 | ||
25a9b54a NA |
196 | bond_opt_initval(&newval, downdelay); |
197 | err = __bond_opt_set(bond, BOND_OPT_DOWNDELAY, &newval); | |
c7461f9b | 198 | if (err) |
199 | return err; | |
200 | } | |
9f53e14e | 201 | if (data[IFLA_BOND_USE_CARRIER]) { |
202 | int use_carrier = nla_get_u8(data[IFLA_BOND_USE_CARRIER]); | |
203 | ||
0fff0608 NA |
204 | bond_opt_initval(&newval, use_carrier); |
205 | err = __bond_opt_set(bond, BOND_OPT_USE_CARRIER, &newval); | |
9f53e14e | 206 | if (err) |
207 | return err; | |
208 | } | |
06151dbc | 209 | if (data[IFLA_BOND_ARP_INTERVAL]) { |
210 | int arp_interval = nla_get_u32(data[IFLA_BOND_ARP_INTERVAL]); | |
211 | ||
212 | if (arp_interval && miimon) { | |
a5f24542 | 213 | netdev_err(bond->dev, "ARP monitoring cannot be used with MII monitoring\n"); |
06151dbc | 214 | return -EINVAL; |
215 | } | |
216 | ||
7bdb04ed NA |
217 | bond_opt_initval(&newval, arp_interval); |
218 | err = __bond_opt_set(bond, BOND_OPT_ARP_INTERVAL, &newval); | |
06151dbc | 219 | if (err) |
220 | return err; | |
221 | } | |
7f28fa10 | 222 | if (data[IFLA_BOND_ARP_IP_TARGET]) { |
7f28fa10 | 223 | struct nlattr *attr; |
224 | int i = 0, rem; | |
225 | ||
4fb0ef58 | 226 | bond_option_arp_ip_targets_clear(bond); |
7f28fa10 | 227 | nla_for_each_nested(attr, data[IFLA_BOND_ARP_IP_TARGET], rem) { |
e7ef941d | 228 | __be32 target = nla_get_be32(attr); |
7f28fa10 | 229 | |
a19a7ec8 | 230 | bond_opt_initval(&newval, (__force u64)target); |
4fb0ef58 NA |
231 | err = __bond_opt_set(bond, BOND_OPT_ARP_TARGETS, |
232 | &newval); | |
233 | if (err) | |
234 | break; | |
235 | i++; | |
236 | } | |
237 | if (i == 0 && bond->params.arp_interval) | |
a5f24542 | 238 | netdev_warn(bond->dev, "Removing last arp target with arp_interval on\n"); |
7f28fa10 | 239 | if (err) |
240 | return err; | |
241 | } | |
29c49482 | 242 | if (data[IFLA_BOND_ARP_VALIDATE]) { |
243 | int arp_validate = nla_get_u32(data[IFLA_BOND_ARP_VALIDATE]); | |
244 | ||
245 | if (arp_validate && miimon) { | |
a5f24542 | 246 | netdev_err(bond->dev, "ARP validating cannot be used with MII monitoring\n"); |
29c49482 | 247 | return -EINVAL; |
248 | } | |
249 | ||
16228881 NA |
250 | bond_opt_initval(&newval, arp_validate); |
251 | err = __bond_opt_set(bond, BOND_OPT_ARP_VALIDATE, &newval); | |
29c49482 | 252 | if (err) |
253 | return err; | |
254 | } | |
d5c84254 | 255 | if (data[IFLA_BOND_ARP_ALL_TARGETS]) { |
256 | int arp_all_targets = | |
257 | nla_get_u32(data[IFLA_BOND_ARP_ALL_TARGETS]); | |
258 | ||
edf36b24 NA |
259 | bond_opt_initval(&newval, arp_all_targets); |
260 | err = __bond_opt_set(bond, BOND_OPT_ARP_ALL_TARGETS, &newval); | |
d5c84254 | 261 | if (err) |
262 | return err; | |
263 | } | |
0a98a0d1 | 264 | if (data[IFLA_BOND_PRIMARY]) { |
265 | int ifindex = nla_get_u32(data[IFLA_BOND_PRIMARY]); | |
266 | struct net_device *dev; | |
267 | char *primary = ""; | |
268 | ||
269 | dev = __dev_get_by_index(dev_net(bond_dev), ifindex); | |
270 | if (dev) | |
271 | primary = dev->name; | |
272 | ||
180222f0 NA |
273 | bond_opt_initstr(&newval, primary); |
274 | err = __bond_opt_set(bond, BOND_OPT_PRIMARY, &newval); | |
0a98a0d1 | 275 | if (err) |
276 | return err; | |
277 | } | |
8a41ae44 | 278 | if (data[IFLA_BOND_PRIMARY_RESELECT]) { |
279 | int primary_reselect = | |
280 | nla_get_u8(data[IFLA_BOND_PRIMARY_RESELECT]); | |
281 | ||
388d3a6d NA |
282 | bond_opt_initval(&newval, primary_reselect); |
283 | err = __bond_opt_set(bond, BOND_OPT_PRIMARY_RESELECT, &newval); | |
8a41ae44 | 284 | if (err) |
285 | return err; | |
286 | } | |
89901972 | 287 | if (data[IFLA_BOND_FAIL_OVER_MAC]) { |
288 | int fail_over_mac = | |
289 | nla_get_u8(data[IFLA_BOND_FAIL_OVER_MAC]); | |
290 | ||
1df6b6aa NA |
291 | bond_opt_initval(&newval, fail_over_mac); |
292 | err = __bond_opt_set(bond, BOND_OPT_FAIL_OVER_MAC, &newval); | |
89901972 | 293 | if (err) |
294 | return err; | |
295 | } | |
f70161c6 | 296 | if (data[IFLA_BOND_XMIT_HASH_POLICY]) { |
297 | int xmit_hash_policy = | |
298 | nla_get_u8(data[IFLA_BOND_XMIT_HASH_POLICY]); | |
299 | ||
a4b32ce7 NA |
300 | bond_opt_initval(&newval, xmit_hash_policy); |
301 | err = __bond_opt_set(bond, BOND_OPT_XMIT_HASH, &newval); | |
f70161c6 | 302 | if (err) |
303 | return err; | |
304 | } | |
d8838de7 | 305 | if (data[IFLA_BOND_RESEND_IGMP]) { |
306 | int resend_igmp = | |
307 | nla_get_u32(data[IFLA_BOND_RESEND_IGMP]); | |
308 | ||
105c8fb6 NA |
309 | bond_opt_initval(&newval, resend_igmp); |
310 | err = __bond_opt_set(bond, BOND_OPT_RESEND_IGMP, &newval); | |
d8838de7 | 311 | if (err) |
312 | return err; | |
313 | } | |
2c9839c1 | 314 | if (data[IFLA_BOND_NUM_PEER_NOTIF]) { |
315 | int num_peer_notif = | |
316 | nla_get_u8(data[IFLA_BOND_NUM_PEER_NOTIF]); | |
317 | ||
ef56becb NA |
318 | bond_opt_initval(&newval, num_peer_notif); |
319 | err = __bond_opt_set(bond, BOND_OPT_NUM_PEER_NOTIF, &newval); | |
2c9839c1 | 320 | if (err) |
321 | return err; | |
322 | } | |
1cc0b1e3 | 323 | if (data[IFLA_BOND_ALL_SLAVES_ACTIVE]) { |
324 | int all_slaves_active = | |
325 | nla_get_u8(data[IFLA_BOND_ALL_SLAVES_ACTIVE]); | |
326 | ||
3df01162 NA |
327 | bond_opt_initval(&newval, all_slaves_active); |
328 | err = __bond_opt_set(bond, BOND_OPT_ALL_SLAVES_ACTIVE, &newval); | |
1cc0b1e3 | 329 | if (err) |
330 | return err; | |
331 | } | |
7d101008 | 332 | if (data[IFLA_BOND_MIN_LINKS]) { |
333 | int min_links = | |
334 | nla_get_u32(data[IFLA_BOND_MIN_LINKS]); | |
335 | ||
633ddc9e NA |
336 | bond_opt_initval(&newval, min_links); |
337 | err = __bond_opt_set(bond, BOND_OPT_MINLINKS, &newval); | |
7d101008 | 338 | if (err) |
339 | return err; | |
340 | } | |
8d836d09 | 341 | if (data[IFLA_BOND_LP_INTERVAL]) { |
342 | int lp_interval = | |
343 | nla_get_u32(data[IFLA_BOND_LP_INTERVAL]); | |
344 | ||
4325b374 NA |
345 | bond_opt_initval(&newval, lp_interval); |
346 | err = __bond_opt_set(bond, BOND_OPT_LP_INTERVAL, &newval); | |
8d836d09 | 347 | if (err) |
348 | return err; | |
349 | } | |
c13ab3ff | 350 | if (data[IFLA_BOND_PACKETS_PER_SLAVE]) { |
351 | int packets_per_slave = | |
352 | nla_get_u32(data[IFLA_BOND_PACKETS_PER_SLAVE]); | |
353 | ||
aa59d851 NA |
354 | bond_opt_initval(&newval, packets_per_slave); |
355 | err = __bond_opt_set(bond, BOND_OPT_PACKETS_PER_SLAVE, &newval); | |
c13ab3ff | 356 | if (err) |
357 | return err; | |
358 | } | |
998e40bb | 359 | if (data[IFLA_BOND_AD_LACP_RATE]) { |
360 | int lacp_rate = | |
361 | nla_get_u8(data[IFLA_BOND_AD_LACP_RATE]); | |
362 | ||
d3131de7 NA |
363 | bond_opt_initval(&newval, lacp_rate); |
364 | err = __bond_opt_set(bond, BOND_OPT_LACP_RATE, &newval); | |
998e40bb | 365 | if (err) |
366 | return err; | |
367 | } | |
ec029fac | 368 | if (data[IFLA_BOND_AD_SELECT]) { |
369 | int ad_select = | |
370 | nla_get_u8(data[IFLA_BOND_AD_SELECT]); | |
371 | ||
9e5f5eeb NA |
372 | bond_opt_initval(&newval, ad_select); |
373 | err = __bond_opt_set(bond, BOND_OPT_AD_SELECT, &newval); | |
ec029fac | 374 | if (err) |
375 | return err; | |
376 | } | |
90af2311 JP |
377 | return 0; |
378 | } | |
379 | ||
380 | static int bond_newlink(struct net *src_net, struct net_device *bond_dev, | |
381 | struct nlattr *tb[], struct nlattr *data[]) | |
382 | { | |
383 | int err; | |
384 | ||
385 | err = bond_changelink(bond_dev, tb, data); | |
386 | if (err < 0) | |
387 | return err; | |
388 | ||
389 | return register_netdevice(bond_dev); | |
390 | } | |
391 | ||
392 | static size_t bond_get_size(const struct net_device *bond_dev) | |
393 | { | |
e139862e | 394 | return nla_total_size(sizeof(u8)) + /* IFLA_BOND_MODE */ |
eecdaa6e | 395 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_ACTIVE_SLAVE */ |
396 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIIMON */ | |
25852e29 | 397 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_UPDELAY */ |
c7461f9b | 398 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_DOWNDELAY */ |
9f53e14e | 399 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_USE_CARRIER */ |
06151dbc | 400 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_INTERVAL */ |
7f28fa10 | 401 | /* IFLA_BOND_ARP_IP_TARGET */ |
288db0aa | 402 | nla_total_size(sizeof(struct nlattr)) + |
7f28fa10 | 403 | nla_total_size(sizeof(u32)) * BOND_MAX_ARP_TARGETS + |
29c49482 | 404 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_VALIDATE */ |
d5c84254 | 405 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_ALL_TARGETS */ |
0a98a0d1 | 406 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_PRIMARY */ |
8a41ae44 | 407 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_PRIMARY_RESELECT */ |
89901972 | 408 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_FAIL_OVER_MAC */ |
f70161c6 | 409 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_XMIT_HASH_POLICY */ |
d8838de7 | 410 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_RESEND_IGMP */ |
2c9839c1 | 411 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_NUM_PEER_NOTIF */ |
1cc0b1e3 | 412 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_ALL_SLAVES_ACTIVE */ |
7d101008 | 413 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIN_LINKS */ |
8d836d09 | 414 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_LP_INTERVAL */ |
c13ab3ff | 415 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_PACKETS_PER_SLAVE */ |
998e40bb | 416 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_AD_LACP_RATE */ |
ec029fac | 417 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_AD_SELECT */ |
4ee7ac75 | 418 | nla_total_size(sizeof(struct nlattr)) + /* IFLA_BOND_AD_INFO */ |
419 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_AGGREGATOR */ | |
420 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_NUM_PORTS */ | |
421 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_ACTOR_KEY */ | |
422 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_PARTNER_KEY*/ | |
423 | nla_total_size(ETH_ALEN) + /* IFLA_BOND_AD_INFO_PARTNER_MAC*/ | |
eecdaa6e | 424 | 0; |
90af2311 JP |
425 | } |
426 | ||
e965f804 ED |
427 | static int bond_option_active_slave_get_ifindex(struct bonding *bond) |
428 | { | |
429 | const struct net_device *slave; | |
430 | int ifindex; | |
431 | ||
432 | rcu_read_lock(); | |
433 | slave = bond_option_active_slave_get_rcu(bond); | |
434 | ifindex = slave ? slave->ifindex : 0; | |
435 | rcu_read_unlock(); | |
436 | return ifindex; | |
437 | } | |
438 | ||
90af2311 JP |
439 | static int bond_fill_info(struct sk_buff *skb, |
440 | const struct net_device *bond_dev) | |
441 | { | |
442 | struct bonding *bond = netdev_priv(bond_dev); | |
c13ab3ff | 443 | unsigned int packets_per_slave; |
e965f804 ED |
444 | int ifindex, i, targets_added; |
445 | struct nlattr *targets; | |
059b47e8 | 446 | struct slave *primary; |
90af2311 | 447 | |
01844098 | 448 | if (nla_put_u8(skb, IFLA_BOND_MODE, BOND_MODE(bond))) |
90af2311 | 449 | goto nla_put_failure; |
eecdaa6e | 450 | |
e965f804 ED |
451 | ifindex = bond_option_active_slave_get_ifindex(bond); |
452 | if (ifindex && nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, ifindex)) | |
eecdaa6e | 453 | goto nla_put_failure; |
454 | ||
455 | if (nla_put_u32(skb, IFLA_BOND_MIIMON, bond->params.miimon)) | |
456 | goto nla_put_failure; | |
457 | ||
25852e29 | 458 | if (nla_put_u32(skb, IFLA_BOND_UPDELAY, |
459 | bond->params.updelay * bond->params.miimon)) | |
460 | goto nla_put_failure; | |
461 | ||
c7461f9b | 462 | if (nla_put_u32(skb, IFLA_BOND_DOWNDELAY, |
463 | bond->params.downdelay * bond->params.miimon)) | |
464 | goto nla_put_failure; | |
465 | ||
9f53e14e | 466 | if (nla_put_u8(skb, IFLA_BOND_USE_CARRIER, bond->params.use_carrier)) |
467 | goto nla_put_failure; | |
468 | ||
06151dbc | 469 | if (nla_put_u32(skb, IFLA_BOND_ARP_INTERVAL, bond->params.arp_interval)) |
470 | goto nla_put_failure; | |
471 | ||
7f28fa10 | 472 | targets = nla_nest_start(skb, IFLA_BOND_ARP_IP_TARGET); |
473 | if (!targets) | |
474 | goto nla_put_failure; | |
475 | ||
476 | targets_added = 0; | |
477 | for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) { | |
478 | if (bond->params.arp_targets[i]) { | |
e7ef941d | 479 | nla_put_be32(skb, i, bond->params.arp_targets[i]); |
7f28fa10 | 480 | targets_added = 1; |
481 | } | |
482 | } | |
483 | ||
484 | if (targets_added) | |
485 | nla_nest_end(skb, targets); | |
486 | else | |
487 | nla_nest_cancel(skb, targets); | |
488 | ||
29c49482 | 489 | if (nla_put_u32(skb, IFLA_BOND_ARP_VALIDATE, bond->params.arp_validate)) |
490 | goto nla_put_failure; | |
491 | ||
d5c84254 | 492 | if (nla_put_u32(skb, IFLA_BOND_ARP_ALL_TARGETS, |
493 | bond->params.arp_all_targets)) | |
494 | goto nla_put_failure; | |
495 | ||
059b47e8 NA |
496 | primary = rtnl_dereference(bond->primary_slave); |
497 | if (primary && | |
498 | nla_put_u32(skb, IFLA_BOND_PRIMARY, primary->dev->ifindex)) | |
0a98a0d1 | 499 | goto nla_put_failure; |
500 | ||
8a41ae44 | 501 | if (nla_put_u8(skb, IFLA_BOND_PRIMARY_RESELECT, |
502 | bond->params.primary_reselect)) | |
503 | goto nla_put_failure; | |
504 | ||
89901972 | 505 | if (nla_put_u8(skb, IFLA_BOND_FAIL_OVER_MAC, |
506 | bond->params.fail_over_mac)) | |
507 | goto nla_put_failure; | |
508 | ||
f70161c6 | 509 | if (nla_put_u8(skb, IFLA_BOND_XMIT_HASH_POLICY, |
510 | bond->params.xmit_policy)) | |
511 | goto nla_put_failure; | |
512 | ||
d8838de7 | 513 | if (nla_put_u32(skb, IFLA_BOND_RESEND_IGMP, |
514 | bond->params.resend_igmp)) | |
515 | goto nla_put_failure; | |
516 | ||
2c9839c1 | 517 | if (nla_put_u8(skb, IFLA_BOND_NUM_PEER_NOTIF, |
518 | bond->params.num_peer_notif)) | |
519 | goto nla_put_failure; | |
520 | ||
1cc0b1e3 | 521 | if (nla_put_u8(skb, IFLA_BOND_ALL_SLAVES_ACTIVE, |
522 | bond->params.all_slaves_active)) | |
523 | goto nla_put_failure; | |
524 | ||
7d101008 | 525 | if (nla_put_u32(skb, IFLA_BOND_MIN_LINKS, |
526 | bond->params.min_links)) | |
527 | goto nla_put_failure; | |
528 | ||
8d836d09 | 529 | if (nla_put_u32(skb, IFLA_BOND_LP_INTERVAL, |
530 | bond->params.lp_interval)) | |
531 | goto nla_put_failure; | |
532 | ||
c13ab3ff | 533 | packets_per_slave = bond->params.packets_per_slave; |
c13ab3ff | 534 | if (nla_put_u32(skb, IFLA_BOND_PACKETS_PER_SLAVE, |
535 | packets_per_slave)) | |
536 | goto nla_put_failure; | |
537 | ||
998e40bb | 538 | if (nla_put_u8(skb, IFLA_BOND_AD_LACP_RATE, |
539 | bond->params.lacp_fast)) | |
540 | goto nla_put_failure; | |
541 | ||
ec029fac | 542 | if (nla_put_u8(skb, IFLA_BOND_AD_SELECT, |
543 | bond->params.ad_select)) | |
544 | goto nla_put_failure; | |
545 | ||
01844098 | 546 | if (BOND_MODE(bond) == BOND_MODE_8023AD) { |
4ee7ac75 | 547 | struct ad_info info; |
548 | ||
549 | if (!bond_3ad_get_active_agg_info(bond, &info)) { | |
550 | struct nlattr *nest; | |
551 | ||
552 | nest = nla_nest_start(skb, IFLA_BOND_AD_INFO); | |
553 | if (!nest) | |
554 | goto nla_put_failure; | |
555 | ||
556 | if (nla_put_u16(skb, IFLA_BOND_AD_INFO_AGGREGATOR, | |
557 | info.aggregator_id)) | |
558 | goto nla_put_failure; | |
559 | if (nla_put_u16(skb, IFLA_BOND_AD_INFO_NUM_PORTS, | |
560 | info.ports)) | |
561 | goto nla_put_failure; | |
562 | if (nla_put_u16(skb, IFLA_BOND_AD_INFO_ACTOR_KEY, | |
563 | info.actor_key)) | |
564 | goto nla_put_failure; | |
565 | if (nla_put_u16(skb, IFLA_BOND_AD_INFO_PARTNER_KEY, | |
566 | info.partner_key)) | |
567 | goto nla_put_failure; | |
568 | if (nla_put(skb, IFLA_BOND_AD_INFO_PARTNER_MAC, | |
569 | sizeof(info.partner_system), | |
570 | &info.partner_system)) | |
571 | goto nla_put_failure; | |
572 | ||
573 | nla_nest_end(skb, nest); | |
574 | } | |
575 | } | |
576 | ||
90af2311 JP |
577 | return 0; |
578 | ||
579 | nla_put_failure: | |
580 | return -EMSGSIZE; | |
581 | } | |
582 | ||
0a2a78c4 JP |
583 | struct rtnl_link_ops bond_link_ops __read_mostly = { |
584 | .kind = "bond", | |
585 | .priv_size = sizeof(struct bonding), | |
586 | .setup = bond_setup, | |
90af2311 JP |
587 | .maxtype = IFLA_BOND_MAX, |
588 | .policy = bond_policy, | |
0a2a78c4 | 589 | .validate = bond_validate, |
90af2311 JP |
590 | .newlink = bond_newlink, |
591 | .changelink = bond_changelink, | |
592 | .get_size = bond_get_size, | |
593 | .fill_info = bond_fill_info, | |
0a2a78c4 JP |
594 | .get_num_tx_queues = bond_get_num_tx_queues, |
595 | .get_num_rx_queues = bond_get_num_tx_queues, /* Use the same number | |
596 | as for TX queues */ | |
cea6aeb6 JP |
597 | .slave_maxtype = IFLA_BOND_SLAVE_MAX, |
598 | .slave_policy = bond_slave_policy, | |
599 | .slave_changelink = bond_slave_changelink, | |
3bad540e JP |
600 | .get_slave_size = bond_get_slave_size, |
601 | .fill_slave_info = bond_fill_slave_info, | |
0a2a78c4 JP |
602 | }; |
603 | ||
604 | int __init bond_netlink_init(void) | |
605 | { | |
606 | return rtnl_link_register(&bond_link_ops); | |
607 | } | |
608 | ||
a729e83a | 609 | void bond_netlink_fini(void) |
0a2a78c4 JP |
610 | { |
611 | rtnl_link_unregister(&bond_link_ops); | |
612 | } | |
613 | ||
614 | MODULE_ALIAS_RTNL_LINK("bond"); |