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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 | ||
12 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
13 | ||
14 | #include <linux/module.h> | |
15 | #include <linux/errno.h> | |
16 | #include <linux/netdevice.h> | |
17 | #include <linux/etherdevice.h> | |
18 | #include <linux/if_link.h> | |
19 | #include <linux/if_ether.h> | |
20 | #include <net/netlink.h> | |
21 | #include <net/rtnetlink.h> | |
22 | #include "bonding.h" | |
23 | ||
3bad540e JP |
24 | static size_t bond_get_slave_size(const struct net_device *bond_dev, |
25 | const struct net_device *slave_dev) | |
26 | { | |
27 | return nla_total_size(sizeof(u8)) + /* IFLA_BOND_SLAVE_STATE */ | |
28 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_SLAVE_MII_STATUS */ | |
29 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_SLAVE_LINK_FAILURE_COUNT */ | |
30 | nla_total_size(MAX_ADDR_LEN) + /* IFLA_BOND_SLAVE_PERM_HWADDR */ | |
31 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_SLAVE_QUEUE_ID */ | |
32 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_SLAVE_AD_AGGREGATOR_ID */ | |
33 | 0; | |
34 | } | |
35 | ||
36 | static int bond_fill_slave_info(struct sk_buff *skb, | |
37 | const struct net_device *bond_dev, | |
38 | const struct net_device *slave_dev) | |
1d3ee88a | 39 | { |
40 | struct slave *slave = bond_slave_get_rtnl(slave_dev); | |
1d3ee88a | 41 | |
df7dbcbb | 42 | if (nla_put_u8(skb, IFLA_BOND_SLAVE_STATE, bond_slave_state(slave))) |
1d3ee88a | 43 | goto nla_put_failure; |
44 | ||
df7dbcbb | 45 | if (nla_put_u8(skb, IFLA_BOND_SLAVE_MII_STATUS, slave->link)) |
1d3ee88a | 46 | goto nla_put_failure; |
47 | ||
df7dbcbb | 48 | if (nla_put_u32(skb, IFLA_BOND_SLAVE_LINK_FAILURE_COUNT, |
1d3ee88a | 49 | slave->link_failure_count)) |
50 | goto nla_put_failure; | |
51 | ||
df7dbcbb | 52 | if (nla_put(skb, IFLA_BOND_SLAVE_PERM_HWADDR, |
1d3ee88a | 53 | slave_dev->addr_len, slave->perm_hwaddr)) |
54 | goto nla_put_failure; | |
55 | ||
df7dbcbb | 56 | if (nla_put_u16(skb, IFLA_BOND_SLAVE_QUEUE_ID, slave->queue_id)) |
1d3ee88a | 57 | goto nla_put_failure; |
58 | ||
59 | if (slave->bond->params.mode == BOND_MODE_8023AD) { | |
3bad540e JP |
60 | const struct aggregator *agg; |
61 | ||
1d3ee88a | 62 | agg = SLAVE_AD_INFO(slave).port.aggregator; |
63 | if (agg) | |
df7dbcbb | 64 | if (nla_put_u16(skb, IFLA_BOND_SLAVE_AD_AGGREGATOR_ID, |
1d3ee88a | 65 | agg->aggregator_identifier)) |
66 | goto nla_put_failure; | |
67 | } | |
68 | ||
69 | return 0; | |
70 | ||
71 | nla_put_failure: | |
72 | return -EMSGSIZE; | |
73 | } | |
74 | ||
90af2311 JP |
75 | static const struct nla_policy bond_policy[IFLA_BOND_MAX + 1] = { |
76 | [IFLA_BOND_MODE] = { .type = NLA_U8 }, | |
ec76aa49 | 77 | [IFLA_BOND_ACTIVE_SLAVE] = { .type = NLA_U32 }, |
eecdaa6e | 78 | [IFLA_BOND_MIIMON] = { .type = NLA_U32 }, |
25852e29 | 79 | [IFLA_BOND_UPDELAY] = { .type = NLA_U32 }, |
c7461f9b | 80 | [IFLA_BOND_DOWNDELAY] = { .type = NLA_U32 }, |
9f53e14e | 81 | [IFLA_BOND_USE_CARRIER] = { .type = NLA_U8 }, |
06151dbc | 82 | [IFLA_BOND_ARP_INTERVAL] = { .type = NLA_U32 }, |
7f28fa10 | 83 | [IFLA_BOND_ARP_IP_TARGET] = { .type = NLA_NESTED }, |
29c49482 | 84 | [IFLA_BOND_ARP_VALIDATE] = { .type = NLA_U32 }, |
d5c84254 | 85 | [IFLA_BOND_ARP_ALL_TARGETS] = { .type = NLA_U32 }, |
0a98a0d1 | 86 | [IFLA_BOND_PRIMARY] = { .type = NLA_U32 }, |
8a41ae44 | 87 | [IFLA_BOND_PRIMARY_RESELECT] = { .type = NLA_U8 }, |
89901972 | 88 | [IFLA_BOND_FAIL_OVER_MAC] = { .type = NLA_U8 }, |
f70161c6 | 89 | [IFLA_BOND_XMIT_HASH_POLICY] = { .type = NLA_U8 }, |
d8838de7 | 90 | [IFLA_BOND_RESEND_IGMP] = { .type = NLA_U32 }, |
2c9839c1 | 91 | [IFLA_BOND_NUM_PEER_NOTIF] = { .type = NLA_U8 }, |
1cc0b1e3 | 92 | [IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NLA_U8 }, |
7d101008 | 93 | [IFLA_BOND_MIN_LINKS] = { .type = NLA_U32 }, |
8d836d09 | 94 | [IFLA_BOND_LP_INTERVAL] = { .type = NLA_U32 }, |
c13ab3ff | 95 | [IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NLA_U32 }, |
998e40bb | 96 | [IFLA_BOND_AD_LACP_RATE] = { .type = NLA_U8 }, |
ec029fac | 97 | [IFLA_BOND_AD_SELECT] = { .type = NLA_U8 }, |
4ee7ac75 | 98 | [IFLA_BOND_AD_INFO] = { .type = NLA_NESTED }, |
90af2311 JP |
99 | }; |
100 | ||
0a2a78c4 JP |
101 | static int bond_validate(struct nlattr *tb[], struct nlattr *data[]) |
102 | { | |
103 | if (tb[IFLA_ADDRESS]) { | |
104 | if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) | |
105 | return -EINVAL; | |
106 | if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS]))) | |
107 | return -EADDRNOTAVAIL; | |
108 | } | |
109 | return 0; | |
110 | } | |
111 | ||
90af2311 JP |
112 | static int bond_changelink(struct net_device *bond_dev, |
113 | struct nlattr *tb[], struct nlattr *data[]) | |
114 | { | |
115 | struct bonding *bond = netdev_priv(bond_dev); | |
2b3798d5 | 116 | struct bond_opt_value newval; |
06151dbc | 117 | int miimon = 0; |
90af2311 JP |
118 | int err; |
119 | ||
eecdaa6e | 120 | if (!data) |
121 | return 0; | |
122 | ||
123 | if (data[IFLA_BOND_MODE]) { | |
90af2311 JP |
124 | int mode = nla_get_u8(data[IFLA_BOND_MODE]); |
125 | ||
2b3798d5 NA |
126 | bond_opt_initval(&newval, mode); |
127 | err = __bond_opt_set(bond, BOND_OPT_MODE, &newval); | |
90af2311 JP |
128 | if (err) |
129 | return err; | |
130 | } | |
eecdaa6e | 131 | if (data[IFLA_BOND_ACTIVE_SLAVE]) { |
ec76aa49 JP |
132 | int ifindex = nla_get_u32(data[IFLA_BOND_ACTIVE_SLAVE]); |
133 | struct net_device *slave_dev; | |
d1fbd3ed | 134 | char *active_slave = ""; |
ec76aa49 | 135 | |
d1fbd3ed | 136 | if (ifindex != 0) { |
ec76aa49 JP |
137 | slave_dev = __dev_get_by_index(dev_net(bond_dev), |
138 | ifindex); | |
139 | if (!slave_dev) | |
140 | return -ENODEV; | |
d1fbd3ed | 141 | active_slave = slave_dev->name; |
ec76aa49 | 142 | } |
d1fbd3ed NA |
143 | bond_opt_initstr(&newval, active_slave); |
144 | err = __bond_opt_set(bond, BOND_OPT_ACTIVE_SLAVE, &newval); | |
ec76aa49 JP |
145 | if (err) |
146 | return err; | |
147 | } | |
eecdaa6e | 148 | if (data[IFLA_BOND_MIIMON]) { |
06151dbc | 149 | miimon = nla_get_u32(data[IFLA_BOND_MIIMON]); |
eecdaa6e | 150 | |
b98d9c66 NA |
151 | bond_opt_initval(&newval, miimon); |
152 | err = __bond_opt_set(bond, BOND_OPT_MIIMON, &newval); | |
eecdaa6e | 153 | if (err) |
154 | return err; | |
155 | } | |
25852e29 | 156 | if (data[IFLA_BOND_UPDELAY]) { |
157 | int updelay = nla_get_u32(data[IFLA_BOND_UPDELAY]); | |
158 | ||
e4994612 NA |
159 | bond_opt_initval(&newval, updelay); |
160 | err = __bond_opt_set(bond, BOND_OPT_UPDELAY, &newval); | |
25852e29 | 161 | if (err) |
162 | return err; | |
163 | } | |
c7461f9b | 164 | if (data[IFLA_BOND_DOWNDELAY]) { |
165 | int downdelay = nla_get_u32(data[IFLA_BOND_DOWNDELAY]); | |
166 | ||
25a9b54a NA |
167 | bond_opt_initval(&newval, downdelay); |
168 | err = __bond_opt_set(bond, BOND_OPT_DOWNDELAY, &newval); | |
c7461f9b | 169 | if (err) |
170 | return err; | |
171 | } | |
9f53e14e | 172 | if (data[IFLA_BOND_USE_CARRIER]) { |
173 | int use_carrier = nla_get_u8(data[IFLA_BOND_USE_CARRIER]); | |
174 | ||
0fff0608 NA |
175 | bond_opt_initval(&newval, use_carrier); |
176 | err = __bond_opt_set(bond, BOND_OPT_USE_CARRIER, &newval); | |
9f53e14e | 177 | if (err) |
178 | return err; | |
179 | } | |
06151dbc | 180 | if (data[IFLA_BOND_ARP_INTERVAL]) { |
181 | int arp_interval = nla_get_u32(data[IFLA_BOND_ARP_INTERVAL]); | |
182 | ||
183 | if (arp_interval && miimon) { | |
90194264 | 184 | pr_err("%s: ARP monitoring cannot be used with MII monitoring\n", |
06151dbc | 185 | bond->dev->name); |
186 | return -EINVAL; | |
187 | } | |
188 | ||
7bdb04ed NA |
189 | bond_opt_initval(&newval, arp_interval); |
190 | err = __bond_opt_set(bond, BOND_OPT_ARP_INTERVAL, &newval); | |
06151dbc | 191 | if (err) |
192 | return err; | |
193 | } | |
7f28fa10 | 194 | if (data[IFLA_BOND_ARP_IP_TARGET]) { |
7f28fa10 | 195 | struct nlattr *attr; |
196 | int i = 0, rem; | |
197 | ||
4fb0ef58 | 198 | bond_option_arp_ip_targets_clear(bond); |
7f28fa10 | 199 | nla_for_each_nested(attr, data[IFLA_BOND_ARP_IP_TARGET], rem) { |
e7ef941d | 200 | __be32 target = nla_get_be32(attr); |
7f28fa10 | 201 | |
a19a7ec8 | 202 | bond_opt_initval(&newval, (__force u64)target); |
4fb0ef58 NA |
203 | err = __bond_opt_set(bond, BOND_OPT_ARP_TARGETS, |
204 | &newval); | |
205 | if (err) | |
206 | break; | |
207 | i++; | |
208 | } | |
209 | if (i == 0 && bond->params.arp_interval) | |
90194264 | 210 | pr_warn("%s: Removing last arp target with arp_interval on\n", |
4fb0ef58 | 211 | bond->dev->name); |
7f28fa10 | 212 | if (err) |
213 | return err; | |
214 | } | |
29c49482 | 215 | if (data[IFLA_BOND_ARP_VALIDATE]) { |
216 | int arp_validate = nla_get_u32(data[IFLA_BOND_ARP_VALIDATE]); | |
217 | ||
218 | if (arp_validate && miimon) { | |
90194264 | 219 | pr_err("%s: ARP validating cannot be used with MII monitoring\n", |
29c49482 | 220 | bond->dev->name); |
221 | return -EINVAL; | |
222 | } | |
223 | ||
16228881 NA |
224 | bond_opt_initval(&newval, arp_validate); |
225 | err = __bond_opt_set(bond, BOND_OPT_ARP_VALIDATE, &newval); | |
29c49482 | 226 | if (err) |
227 | return err; | |
228 | } | |
d5c84254 | 229 | if (data[IFLA_BOND_ARP_ALL_TARGETS]) { |
230 | int arp_all_targets = | |
231 | nla_get_u32(data[IFLA_BOND_ARP_ALL_TARGETS]); | |
232 | ||
edf36b24 NA |
233 | bond_opt_initval(&newval, arp_all_targets); |
234 | err = __bond_opt_set(bond, BOND_OPT_ARP_ALL_TARGETS, &newval); | |
d5c84254 | 235 | if (err) |
236 | return err; | |
237 | } | |
0a98a0d1 | 238 | if (data[IFLA_BOND_PRIMARY]) { |
239 | int ifindex = nla_get_u32(data[IFLA_BOND_PRIMARY]); | |
240 | struct net_device *dev; | |
241 | char *primary = ""; | |
242 | ||
243 | dev = __dev_get_by_index(dev_net(bond_dev), ifindex); | |
244 | if (dev) | |
245 | primary = dev->name; | |
246 | ||
180222f0 NA |
247 | bond_opt_initstr(&newval, primary); |
248 | err = __bond_opt_set(bond, BOND_OPT_PRIMARY, &newval); | |
0a98a0d1 | 249 | if (err) |
250 | return err; | |
251 | } | |
8a41ae44 | 252 | if (data[IFLA_BOND_PRIMARY_RESELECT]) { |
253 | int primary_reselect = | |
254 | nla_get_u8(data[IFLA_BOND_PRIMARY_RESELECT]); | |
255 | ||
388d3a6d NA |
256 | bond_opt_initval(&newval, primary_reselect); |
257 | err = __bond_opt_set(bond, BOND_OPT_PRIMARY_RESELECT, &newval); | |
8a41ae44 | 258 | if (err) |
259 | return err; | |
260 | } | |
89901972 | 261 | if (data[IFLA_BOND_FAIL_OVER_MAC]) { |
262 | int fail_over_mac = | |
263 | nla_get_u8(data[IFLA_BOND_FAIL_OVER_MAC]); | |
264 | ||
1df6b6aa NA |
265 | bond_opt_initval(&newval, fail_over_mac); |
266 | err = __bond_opt_set(bond, BOND_OPT_FAIL_OVER_MAC, &newval); | |
89901972 | 267 | if (err) |
268 | return err; | |
269 | } | |
f70161c6 | 270 | if (data[IFLA_BOND_XMIT_HASH_POLICY]) { |
271 | int xmit_hash_policy = | |
272 | nla_get_u8(data[IFLA_BOND_XMIT_HASH_POLICY]); | |
273 | ||
a4b32ce7 NA |
274 | bond_opt_initval(&newval, xmit_hash_policy); |
275 | err = __bond_opt_set(bond, BOND_OPT_XMIT_HASH, &newval); | |
f70161c6 | 276 | if (err) |
277 | return err; | |
278 | } | |
d8838de7 | 279 | if (data[IFLA_BOND_RESEND_IGMP]) { |
280 | int resend_igmp = | |
281 | nla_get_u32(data[IFLA_BOND_RESEND_IGMP]); | |
282 | ||
105c8fb6 NA |
283 | bond_opt_initval(&newval, resend_igmp); |
284 | err = __bond_opt_set(bond, BOND_OPT_RESEND_IGMP, &newval); | |
d8838de7 | 285 | if (err) |
286 | return err; | |
287 | } | |
2c9839c1 | 288 | if (data[IFLA_BOND_NUM_PEER_NOTIF]) { |
289 | int num_peer_notif = | |
290 | nla_get_u8(data[IFLA_BOND_NUM_PEER_NOTIF]); | |
291 | ||
ef56becb NA |
292 | bond_opt_initval(&newval, num_peer_notif); |
293 | err = __bond_opt_set(bond, BOND_OPT_NUM_PEER_NOTIF, &newval); | |
2c9839c1 | 294 | if (err) |
295 | return err; | |
296 | } | |
1cc0b1e3 | 297 | if (data[IFLA_BOND_ALL_SLAVES_ACTIVE]) { |
298 | int all_slaves_active = | |
299 | nla_get_u8(data[IFLA_BOND_ALL_SLAVES_ACTIVE]); | |
300 | ||
3df01162 NA |
301 | bond_opt_initval(&newval, all_slaves_active); |
302 | err = __bond_opt_set(bond, BOND_OPT_ALL_SLAVES_ACTIVE, &newval); | |
1cc0b1e3 | 303 | if (err) |
304 | return err; | |
305 | } | |
7d101008 | 306 | if (data[IFLA_BOND_MIN_LINKS]) { |
307 | int min_links = | |
308 | nla_get_u32(data[IFLA_BOND_MIN_LINKS]); | |
309 | ||
633ddc9e NA |
310 | bond_opt_initval(&newval, min_links); |
311 | err = __bond_opt_set(bond, BOND_OPT_MINLINKS, &newval); | |
7d101008 | 312 | if (err) |
313 | return err; | |
314 | } | |
8d836d09 | 315 | if (data[IFLA_BOND_LP_INTERVAL]) { |
316 | int lp_interval = | |
317 | nla_get_u32(data[IFLA_BOND_LP_INTERVAL]); | |
318 | ||
4325b374 NA |
319 | bond_opt_initval(&newval, lp_interval); |
320 | err = __bond_opt_set(bond, BOND_OPT_LP_INTERVAL, &newval); | |
8d836d09 | 321 | if (err) |
322 | return err; | |
323 | } | |
c13ab3ff | 324 | if (data[IFLA_BOND_PACKETS_PER_SLAVE]) { |
325 | int packets_per_slave = | |
326 | nla_get_u32(data[IFLA_BOND_PACKETS_PER_SLAVE]); | |
327 | ||
aa59d851 NA |
328 | bond_opt_initval(&newval, packets_per_slave); |
329 | err = __bond_opt_set(bond, BOND_OPT_PACKETS_PER_SLAVE, &newval); | |
c13ab3ff | 330 | if (err) |
331 | return err; | |
332 | } | |
998e40bb | 333 | if (data[IFLA_BOND_AD_LACP_RATE]) { |
334 | int lacp_rate = | |
335 | nla_get_u8(data[IFLA_BOND_AD_LACP_RATE]); | |
336 | ||
d3131de7 NA |
337 | bond_opt_initval(&newval, lacp_rate); |
338 | err = __bond_opt_set(bond, BOND_OPT_LACP_RATE, &newval); | |
998e40bb | 339 | if (err) |
340 | return err; | |
341 | } | |
ec029fac | 342 | if (data[IFLA_BOND_AD_SELECT]) { |
343 | int ad_select = | |
344 | nla_get_u8(data[IFLA_BOND_AD_SELECT]); | |
345 | ||
9e5f5eeb NA |
346 | bond_opt_initval(&newval, ad_select); |
347 | err = __bond_opt_set(bond, BOND_OPT_AD_SELECT, &newval); | |
ec029fac | 348 | if (err) |
349 | return err; | |
350 | } | |
90af2311 JP |
351 | return 0; |
352 | } | |
353 | ||
354 | static int bond_newlink(struct net *src_net, struct net_device *bond_dev, | |
355 | struct nlattr *tb[], struct nlattr *data[]) | |
356 | { | |
357 | int err; | |
358 | ||
359 | err = bond_changelink(bond_dev, tb, data); | |
360 | if (err < 0) | |
361 | return err; | |
362 | ||
363 | return register_netdevice(bond_dev); | |
364 | } | |
365 | ||
366 | static size_t bond_get_size(const struct net_device *bond_dev) | |
367 | { | |
e139862e | 368 | return nla_total_size(sizeof(u8)) + /* IFLA_BOND_MODE */ |
eecdaa6e | 369 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_ACTIVE_SLAVE */ |
370 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIIMON */ | |
25852e29 | 371 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_UPDELAY */ |
c7461f9b | 372 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_DOWNDELAY */ |
9f53e14e | 373 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_USE_CARRIER */ |
06151dbc | 374 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_INTERVAL */ |
7f28fa10 | 375 | /* IFLA_BOND_ARP_IP_TARGET */ |
288db0aa | 376 | nla_total_size(sizeof(struct nlattr)) + |
7f28fa10 | 377 | nla_total_size(sizeof(u32)) * BOND_MAX_ARP_TARGETS + |
29c49482 | 378 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_VALIDATE */ |
d5c84254 | 379 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_ALL_TARGETS */ |
0a98a0d1 | 380 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_PRIMARY */ |
8a41ae44 | 381 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_PRIMARY_RESELECT */ |
89901972 | 382 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_FAIL_OVER_MAC */ |
f70161c6 | 383 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_XMIT_HASH_POLICY */ |
d8838de7 | 384 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_RESEND_IGMP */ |
2c9839c1 | 385 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_NUM_PEER_NOTIF */ |
1cc0b1e3 | 386 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_ALL_SLAVES_ACTIVE */ |
7d101008 | 387 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIN_LINKS */ |
8d836d09 | 388 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_LP_INTERVAL */ |
c13ab3ff | 389 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_PACKETS_PER_SLAVE */ |
998e40bb | 390 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_AD_LACP_RATE */ |
ec029fac | 391 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_AD_SELECT */ |
4ee7ac75 | 392 | nla_total_size(sizeof(struct nlattr)) + /* IFLA_BOND_AD_INFO */ |
393 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_AGGREGATOR */ | |
394 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_NUM_PORTS */ | |
395 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_ACTOR_KEY */ | |
396 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_PARTNER_KEY*/ | |
397 | nla_total_size(ETH_ALEN) + /* IFLA_BOND_AD_INFO_PARTNER_MAC*/ | |
eecdaa6e | 398 | 0; |
90af2311 JP |
399 | } |
400 | ||
401 | static int bond_fill_info(struct sk_buff *skb, | |
402 | const struct net_device *bond_dev) | |
403 | { | |
404 | struct bonding *bond = netdev_priv(bond_dev); | |
ec76aa49 | 405 | struct net_device *slave_dev = bond_option_active_slave_get(bond); |
7f28fa10 | 406 | struct nlattr *targets; |
c13ab3ff | 407 | unsigned int packets_per_slave; |
7f28fa10 | 408 | int i, targets_added; |
90af2311 | 409 | |
eecdaa6e | 410 | if (nla_put_u8(skb, IFLA_BOND_MODE, bond->params.mode)) |
90af2311 | 411 | goto nla_put_failure; |
eecdaa6e | 412 | |
413 | if (slave_dev && | |
414 | nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, slave_dev->ifindex)) | |
415 | goto nla_put_failure; | |
416 | ||
417 | if (nla_put_u32(skb, IFLA_BOND_MIIMON, bond->params.miimon)) | |
418 | goto nla_put_failure; | |
419 | ||
25852e29 | 420 | if (nla_put_u32(skb, IFLA_BOND_UPDELAY, |
421 | bond->params.updelay * bond->params.miimon)) | |
422 | goto nla_put_failure; | |
423 | ||
c7461f9b | 424 | if (nla_put_u32(skb, IFLA_BOND_DOWNDELAY, |
425 | bond->params.downdelay * bond->params.miimon)) | |
426 | goto nla_put_failure; | |
427 | ||
9f53e14e | 428 | if (nla_put_u8(skb, IFLA_BOND_USE_CARRIER, bond->params.use_carrier)) |
429 | goto nla_put_failure; | |
430 | ||
06151dbc | 431 | if (nla_put_u32(skb, IFLA_BOND_ARP_INTERVAL, bond->params.arp_interval)) |
432 | goto nla_put_failure; | |
433 | ||
7f28fa10 | 434 | targets = nla_nest_start(skb, IFLA_BOND_ARP_IP_TARGET); |
435 | if (!targets) | |
436 | goto nla_put_failure; | |
437 | ||
438 | targets_added = 0; | |
439 | for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) { | |
440 | if (bond->params.arp_targets[i]) { | |
e7ef941d | 441 | nla_put_be32(skb, i, bond->params.arp_targets[i]); |
7f28fa10 | 442 | targets_added = 1; |
443 | } | |
444 | } | |
445 | ||
446 | if (targets_added) | |
447 | nla_nest_end(skb, targets); | |
448 | else | |
449 | nla_nest_cancel(skb, targets); | |
450 | ||
29c49482 | 451 | if (nla_put_u32(skb, IFLA_BOND_ARP_VALIDATE, bond->params.arp_validate)) |
452 | goto nla_put_failure; | |
453 | ||
d5c84254 | 454 | if (nla_put_u32(skb, IFLA_BOND_ARP_ALL_TARGETS, |
455 | bond->params.arp_all_targets)) | |
456 | goto nla_put_failure; | |
457 | ||
0a98a0d1 | 458 | if (bond->primary_slave && |
459 | nla_put_u32(skb, IFLA_BOND_PRIMARY, | |
460 | bond->primary_slave->dev->ifindex)) | |
461 | goto nla_put_failure; | |
462 | ||
8a41ae44 | 463 | if (nla_put_u8(skb, IFLA_BOND_PRIMARY_RESELECT, |
464 | bond->params.primary_reselect)) | |
465 | goto nla_put_failure; | |
466 | ||
89901972 | 467 | if (nla_put_u8(skb, IFLA_BOND_FAIL_OVER_MAC, |
468 | bond->params.fail_over_mac)) | |
469 | goto nla_put_failure; | |
470 | ||
f70161c6 | 471 | if (nla_put_u8(skb, IFLA_BOND_XMIT_HASH_POLICY, |
472 | bond->params.xmit_policy)) | |
473 | goto nla_put_failure; | |
474 | ||
d8838de7 | 475 | if (nla_put_u32(skb, IFLA_BOND_RESEND_IGMP, |
476 | bond->params.resend_igmp)) | |
477 | goto nla_put_failure; | |
478 | ||
2c9839c1 | 479 | if (nla_put_u8(skb, IFLA_BOND_NUM_PEER_NOTIF, |
480 | bond->params.num_peer_notif)) | |
481 | goto nla_put_failure; | |
482 | ||
1cc0b1e3 | 483 | if (nla_put_u8(skb, IFLA_BOND_ALL_SLAVES_ACTIVE, |
484 | bond->params.all_slaves_active)) | |
485 | goto nla_put_failure; | |
486 | ||
7d101008 | 487 | if (nla_put_u32(skb, IFLA_BOND_MIN_LINKS, |
488 | bond->params.min_links)) | |
489 | goto nla_put_failure; | |
490 | ||
8d836d09 | 491 | if (nla_put_u32(skb, IFLA_BOND_LP_INTERVAL, |
492 | bond->params.lp_interval)) | |
493 | goto nla_put_failure; | |
494 | ||
c13ab3ff | 495 | packets_per_slave = bond->params.packets_per_slave; |
c13ab3ff | 496 | if (nla_put_u32(skb, IFLA_BOND_PACKETS_PER_SLAVE, |
497 | packets_per_slave)) | |
498 | goto nla_put_failure; | |
499 | ||
998e40bb | 500 | if (nla_put_u8(skb, IFLA_BOND_AD_LACP_RATE, |
501 | bond->params.lacp_fast)) | |
502 | goto nla_put_failure; | |
503 | ||
ec029fac | 504 | if (nla_put_u8(skb, IFLA_BOND_AD_SELECT, |
505 | bond->params.ad_select)) | |
506 | goto nla_put_failure; | |
507 | ||
4ee7ac75 | 508 | if (bond->params.mode == BOND_MODE_8023AD) { |
509 | struct ad_info info; | |
510 | ||
511 | if (!bond_3ad_get_active_agg_info(bond, &info)) { | |
512 | struct nlattr *nest; | |
513 | ||
514 | nest = nla_nest_start(skb, IFLA_BOND_AD_INFO); | |
515 | if (!nest) | |
516 | goto nla_put_failure; | |
517 | ||
518 | if (nla_put_u16(skb, IFLA_BOND_AD_INFO_AGGREGATOR, | |
519 | info.aggregator_id)) | |
520 | goto nla_put_failure; | |
521 | if (nla_put_u16(skb, IFLA_BOND_AD_INFO_NUM_PORTS, | |
522 | info.ports)) | |
523 | goto nla_put_failure; | |
524 | if (nla_put_u16(skb, IFLA_BOND_AD_INFO_ACTOR_KEY, | |
525 | info.actor_key)) | |
526 | goto nla_put_failure; | |
527 | if (nla_put_u16(skb, IFLA_BOND_AD_INFO_PARTNER_KEY, | |
528 | info.partner_key)) | |
529 | goto nla_put_failure; | |
530 | if (nla_put(skb, IFLA_BOND_AD_INFO_PARTNER_MAC, | |
531 | sizeof(info.partner_system), | |
532 | &info.partner_system)) | |
533 | goto nla_put_failure; | |
534 | ||
535 | nla_nest_end(skb, nest); | |
536 | } | |
537 | } | |
538 | ||
90af2311 JP |
539 | return 0; |
540 | ||
541 | nla_put_failure: | |
542 | return -EMSGSIZE; | |
543 | } | |
544 | ||
0a2a78c4 JP |
545 | struct rtnl_link_ops bond_link_ops __read_mostly = { |
546 | .kind = "bond", | |
547 | .priv_size = sizeof(struct bonding), | |
548 | .setup = bond_setup, | |
90af2311 JP |
549 | .maxtype = IFLA_BOND_MAX, |
550 | .policy = bond_policy, | |
0a2a78c4 | 551 | .validate = bond_validate, |
90af2311 JP |
552 | .newlink = bond_newlink, |
553 | .changelink = bond_changelink, | |
554 | .get_size = bond_get_size, | |
555 | .fill_info = bond_fill_info, | |
0a2a78c4 JP |
556 | .get_num_tx_queues = bond_get_num_tx_queues, |
557 | .get_num_rx_queues = bond_get_num_tx_queues, /* Use the same number | |
558 | as for TX queues */ | |
3bad540e JP |
559 | .get_slave_size = bond_get_slave_size, |
560 | .fill_slave_info = bond_fill_slave_info, | |
0a2a78c4 JP |
561 | }; |
562 | ||
563 | int __init bond_netlink_init(void) | |
564 | { | |
565 | return rtnl_link_register(&bond_link_ops); | |
566 | } | |
567 | ||
a729e83a | 568 | void bond_netlink_fini(void) |
0a2a78c4 JP |
569 | { |
570 | rtnl_link_unregister(&bond_link_ops); | |
571 | } | |
572 | ||
573 | MODULE_ALIAS_RTNL_LINK("bond"); |