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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> | |
1ef8019b | 20 | #include <net/bonding.h> |
0a2a78c4 | 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 */ | |
254cb6db | 31 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE */ |
46ea297e | 32 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE */ |
3bad540e JP |
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 | ||
01844098 | 59 | if (BOND_MODE(slave->bond) == BOND_MODE_8023AD) { |
3bad540e | 60 | const struct aggregator *agg; |
254cb6db | 61 | const struct port *ad_port; |
3bad540e | 62 | |
254cb6db | 63 | ad_port = &SLAVE_AD_INFO(slave)->port; |
3fdddd85 | 64 | agg = SLAVE_AD_INFO(slave)->port.aggregator; |
254cb6db | 65 | if (agg) { |
df7dbcbb | 66 | if (nla_put_u16(skb, IFLA_BOND_SLAVE_AD_AGGREGATOR_ID, |
1d3ee88a | 67 | agg->aggregator_identifier)) |
68 | goto nla_put_failure; | |
254cb6db NA |
69 | if (nla_put_u8(skb, |
70 | IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE, | |
71 | ad_port->actor_oper_port_state)) | |
72 | goto nla_put_failure; | |
46ea297e NA |
73 | if (nla_put_u16(skb, |
74 | IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE, | |
75 | ad_port->partner_oper.port_state)) | |
76 | goto nla_put_failure; | |
254cb6db | 77 | } |
1d3ee88a | 78 | } |
79 | ||
80 | return 0; | |
81 | ||
82 | nla_put_failure: | |
83 | return -EMSGSIZE; | |
84 | } | |
85 | ||
90af2311 JP |
86 | static const struct nla_policy bond_policy[IFLA_BOND_MAX + 1] = { |
87 | [IFLA_BOND_MODE] = { .type = NLA_U8 }, | |
ec76aa49 | 88 | [IFLA_BOND_ACTIVE_SLAVE] = { .type = NLA_U32 }, |
eecdaa6e | 89 | [IFLA_BOND_MIIMON] = { .type = NLA_U32 }, |
25852e29 | 90 | [IFLA_BOND_UPDELAY] = { .type = NLA_U32 }, |
c7461f9b | 91 | [IFLA_BOND_DOWNDELAY] = { .type = NLA_U32 }, |
9f53e14e | 92 | [IFLA_BOND_USE_CARRIER] = { .type = NLA_U8 }, |
06151dbc | 93 | [IFLA_BOND_ARP_INTERVAL] = { .type = NLA_U32 }, |
7f28fa10 | 94 | [IFLA_BOND_ARP_IP_TARGET] = { .type = NLA_NESTED }, |
29c49482 | 95 | [IFLA_BOND_ARP_VALIDATE] = { .type = NLA_U32 }, |
d5c84254 | 96 | [IFLA_BOND_ARP_ALL_TARGETS] = { .type = NLA_U32 }, |
0a98a0d1 | 97 | [IFLA_BOND_PRIMARY] = { .type = NLA_U32 }, |
8a41ae44 | 98 | [IFLA_BOND_PRIMARY_RESELECT] = { .type = NLA_U8 }, |
89901972 | 99 | [IFLA_BOND_FAIL_OVER_MAC] = { .type = NLA_U8 }, |
f70161c6 | 100 | [IFLA_BOND_XMIT_HASH_POLICY] = { .type = NLA_U8 }, |
d8838de7 | 101 | [IFLA_BOND_RESEND_IGMP] = { .type = NLA_U32 }, |
2c9839c1 | 102 | [IFLA_BOND_NUM_PEER_NOTIF] = { .type = NLA_U8 }, |
1cc0b1e3 | 103 | [IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NLA_U8 }, |
7d101008 | 104 | [IFLA_BOND_MIN_LINKS] = { .type = NLA_U32 }, |
8d836d09 | 105 | [IFLA_BOND_LP_INTERVAL] = { .type = NLA_U32 }, |
c13ab3ff | 106 | [IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NLA_U32 }, |
998e40bb | 107 | [IFLA_BOND_AD_LACP_RATE] = { .type = NLA_U8 }, |
ec029fac | 108 | [IFLA_BOND_AD_SELECT] = { .type = NLA_U8 }, |
4ee7ac75 | 109 | [IFLA_BOND_AD_INFO] = { .type = NLA_NESTED }, |
171a42c3 AG |
110 | [IFLA_BOND_AD_ACTOR_SYS_PRIO] = { .type = NLA_U16 }, |
111 | [IFLA_BOND_AD_USER_PORT_KEY] = { .type = NLA_U16 }, | |
112 | [IFLA_BOND_AD_ACTOR_SYSTEM] = { .type = NLA_BINARY, | |
113 | .len = ETH_ALEN }, | |
0f7bffd9 | 114 | [IFLA_BOND_TLB_DYNAMIC_LB] = { .type = NLA_U8 }, |
90af2311 JP |
115 | }; |
116 | ||
cea6aeb6 JP |
117 | static const struct nla_policy bond_slave_policy[IFLA_BOND_SLAVE_MAX + 1] = { |
118 | [IFLA_BOND_SLAVE_QUEUE_ID] = { .type = NLA_U16 }, | |
119 | }; | |
120 | ||
0a2a78c4 JP |
121 | static int bond_validate(struct nlattr *tb[], struct nlattr *data[]) |
122 | { | |
123 | if (tb[IFLA_ADDRESS]) { | |
124 | if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) | |
125 | return -EINVAL; | |
126 | if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS]))) | |
127 | return -EADDRNOTAVAIL; | |
128 | } | |
129 | return 0; | |
130 | } | |
131 | ||
0f23124a NA |
132 | static int bond_slave_changelink(struct net_device *bond_dev, |
133 | struct net_device *slave_dev, | |
134 | struct nlattr *tb[], struct nlattr *data[]) | |
135 | { | |
136 | struct bonding *bond = netdev_priv(bond_dev); | |
137 | struct bond_opt_value newval; | |
138 | int err; | |
139 | ||
140 | if (!data) | |
141 | return 0; | |
142 | ||
143 | if (data[IFLA_BOND_SLAVE_QUEUE_ID]) { | |
144 | u16 queue_id = nla_get_u16(data[IFLA_BOND_SLAVE_QUEUE_ID]); | |
145 | char queue_id_str[IFNAMSIZ + 7]; | |
146 | ||
147 | /* queue_id option setting expects slave_name:queue_id */ | |
148 | snprintf(queue_id_str, sizeof(queue_id_str), "%s:%u\n", | |
149 | slave_dev->name, queue_id); | |
150 | bond_opt_initstr(&newval, queue_id_str); | |
151 | err = __bond_opt_set(bond, BOND_OPT_QUEUE_ID, &newval); | |
152 | if (err) | |
153 | return err; | |
154 | } | |
155 | ||
156 | return 0; | |
157 | } | |
158 | ||
90af2311 JP |
159 | static int bond_changelink(struct net_device *bond_dev, |
160 | struct nlattr *tb[], struct nlattr *data[]) | |
161 | { | |
162 | struct bonding *bond = netdev_priv(bond_dev); | |
2b3798d5 | 163 | struct bond_opt_value newval; |
06151dbc | 164 | int miimon = 0; |
90af2311 JP |
165 | int err; |
166 | ||
eecdaa6e | 167 | if (!data) |
168 | return 0; | |
169 | ||
170 | if (data[IFLA_BOND_MODE]) { | |
90af2311 JP |
171 | int mode = nla_get_u8(data[IFLA_BOND_MODE]); |
172 | ||
2b3798d5 NA |
173 | bond_opt_initval(&newval, mode); |
174 | err = __bond_opt_set(bond, BOND_OPT_MODE, &newval); | |
90af2311 JP |
175 | if (err) |
176 | return err; | |
177 | } | |
eecdaa6e | 178 | if (data[IFLA_BOND_ACTIVE_SLAVE]) { |
ec76aa49 JP |
179 | int ifindex = nla_get_u32(data[IFLA_BOND_ACTIVE_SLAVE]); |
180 | struct net_device *slave_dev; | |
d1fbd3ed | 181 | char *active_slave = ""; |
ec76aa49 | 182 | |
d1fbd3ed | 183 | if (ifindex != 0) { |
ec76aa49 JP |
184 | slave_dev = __dev_get_by_index(dev_net(bond_dev), |
185 | ifindex); | |
186 | if (!slave_dev) | |
187 | return -ENODEV; | |
d1fbd3ed | 188 | active_slave = slave_dev->name; |
ec76aa49 | 189 | } |
d1fbd3ed NA |
190 | bond_opt_initstr(&newval, active_slave); |
191 | err = __bond_opt_set(bond, BOND_OPT_ACTIVE_SLAVE, &newval); | |
ec76aa49 JP |
192 | if (err) |
193 | return err; | |
194 | } | |
eecdaa6e | 195 | if (data[IFLA_BOND_MIIMON]) { |
06151dbc | 196 | miimon = nla_get_u32(data[IFLA_BOND_MIIMON]); |
eecdaa6e | 197 | |
b98d9c66 NA |
198 | bond_opt_initval(&newval, miimon); |
199 | err = __bond_opt_set(bond, BOND_OPT_MIIMON, &newval); | |
eecdaa6e | 200 | if (err) |
201 | return err; | |
202 | } | |
25852e29 | 203 | if (data[IFLA_BOND_UPDELAY]) { |
204 | int updelay = nla_get_u32(data[IFLA_BOND_UPDELAY]); | |
205 | ||
e4994612 NA |
206 | bond_opt_initval(&newval, updelay); |
207 | err = __bond_opt_set(bond, BOND_OPT_UPDELAY, &newval); | |
25852e29 | 208 | if (err) |
209 | return err; | |
210 | } | |
c7461f9b | 211 | if (data[IFLA_BOND_DOWNDELAY]) { |
212 | int downdelay = nla_get_u32(data[IFLA_BOND_DOWNDELAY]); | |
213 | ||
25a9b54a NA |
214 | bond_opt_initval(&newval, downdelay); |
215 | err = __bond_opt_set(bond, BOND_OPT_DOWNDELAY, &newval); | |
c7461f9b | 216 | if (err) |
217 | return err; | |
218 | } | |
9f53e14e | 219 | if (data[IFLA_BOND_USE_CARRIER]) { |
220 | int use_carrier = nla_get_u8(data[IFLA_BOND_USE_CARRIER]); | |
221 | ||
0fff0608 NA |
222 | bond_opt_initval(&newval, use_carrier); |
223 | err = __bond_opt_set(bond, BOND_OPT_USE_CARRIER, &newval); | |
9f53e14e | 224 | if (err) |
225 | return err; | |
226 | } | |
06151dbc | 227 | if (data[IFLA_BOND_ARP_INTERVAL]) { |
228 | int arp_interval = nla_get_u32(data[IFLA_BOND_ARP_INTERVAL]); | |
229 | ||
230 | if (arp_interval && miimon) { | |
a5f24542 | 231 | netdev_err(bond->dev, "ARP monitoring cannot be used with MII monitoring\n"); |
06151dbc | 232 | return -EINVAL; |
233 | } | |
234 | ||
7bdb04ed NA |
235 | bond_opt_initval(&newval, arp_interval); |
236 | err = __bond_opt_set(bond, BOND_OPT_ARP_INTERVAL, &newval); | |
06151dbc | 237 | if (err) |
238 | return err; | |
239 | } | |
7f28fa10 | 240 | if (data[IFLA_BOND_ARP_IP_TARGET]) { |
7f28fa10 | 241 | struct nlattr *attr; |
242 | int i = 0, rem; | |
243 | ||
4fb0ef58 | 244 | bond_option_arp_ip_targets_clear(bond); |
7f28fa10 | 245 | nla_for_each_nested(attr, data[IFLA_BOND_ARP_IP_TARGET], rem) { |
f6c6fda4 TG |
246 | __be32 target; |
247 | ||
248 | if (nla_len(attr) < sizeof(target)) | |
249 | return -EINVAL; | |
250 | ||
251 | target = nla_get_be32(attr); | |
7f28fa10 | 252 | |
a19a7ec8 | 253 | bond_opt_initval(&newval, (__force u64)target); |
4fb0ef58 NA |
254 | err = __bond_opt_set(bond, BOND_OPT_ARP_TARGETS, |
255 | &newval); | |
256 | if (err) | |
257 | break; | |
258 | i++; | |
259 | } | |
260 | if (i == 0 && bond->params.arp_interval) | |
a5f24542 | 261 | netdev_warn(bond->dev, "Removing last arp target with arp_interval on\n"); |
7f28fa10 | 262 | if (err) |
263 | return err; | |
264 | } | |
29c49482 | 265 | if (data[IFLA_BOND_ARP_VALIDATE]) { |
266 | int arp_validate = nla_get_u32(data[IFLA_BOND_ARP_VALIDATE]); | |
267 | ||
268 | if (arp_validate && miimon) { | |
a5f24542 | 269 | netdev_err(bond->dev, "ARP validating cannot be used with MII monitoring\n"); |
29c49482 | 270 | return -EINVAL; |
271 | } | |
272 | ||
16228881 NA |
273 | bond_opt_initval(&newval, arp_validate); |
274 | err = __bond_opt_set(bond, BOND_OPT_ARP_VALIDATE, &newval); | |
29c49482 | 275 | if (err) |
276 | return err; | |
277 | } | |
d5c84254 | 278 | if (data[IFLA_BOND_ARP_ALL_TARGETS]) { |
279 | int arp_all_targets = | |
280 | nla_get_u32(data[IFLA_BOND_ARP_ALL_TARGETS]); | |
281 | ||
edf36b24 NA |
282 | bond_opt_initval(&newval, arp_all_targets); |
283 | err = __bond_opt_set(bond, BOND_OPT_ARP_ALL_TARGETS, &newval); | |
d5c84254 | 284 | if (err) |
285 | return err; | |
286 | } | |
0a98a0d1 | 287 | if (data[IFLA_BOND_PRIMARY]) { |
288 | int ifindex = nla_get_u32(data[IFLA_BOND_PRIMARY]); | |
289 | struct net_device *dev; | |
290 | char *primary = ""; | |
291 | ||
292 | dev = __dev_get_by_index(dev_net(bond_dev), ifindex); | |
293 | if (dev) | |
294 | primary = dev->name; | |
295 | ||
180222f0 NA |
296 | bond_opt_initstr(&newval, primary); |
297 | err = __bond_opt_set(bond, BOND_OPT_PRIMARY, &newval); | |
0a98a0d1 | 298 | if (err) |
299 | return err; | |
300 | } | |
8a41ae44 | 301 | if (data[IFLA_BOND_PRIMARY_RESELECT]) { |
302 | int primary_reselect = | |
303 | nla_get_u8(data[IFLA_BOND_PRIMARY_RESELECT]); | |
304 | ||
388d3a6d NA |
305 | bond_opt_initval(&newval, primary_reselect); |
306 | err = __bond_opt_set(bond, BOND_OPT_PRIMARY_RESELECT, &newval); | |
8a41ae44 | 307 | if (err) |
308 | return err; | |
309 | } | |
89901972 | 310 | if (data[IFLA_BOND_FAIL_OVER_MAC]) { |
311 | int fail_over_mac = | |
312 | nla_get_u8(data[IFLA_BOND_FAIL_OVER_MAC]); | |
313 | ||
1df6b6aa NA |
314 | bond_opt_initval(&newval, fail_over_mac); |
315 | err = __bond_opt_set(bond, BOND_OPT_FAIL_OVER_MAC, &newval); | |
89901972 | 316 | if (err) |
317 | return err; | |
318 | } | |
f70161c6 | 319 | if (data[IFLA_BOND_XMIT_HASH_POLICY]) { |
320 | int xmit_hash_policy = | |
321 | nla_get_u8(data[IFLA_BOND_XMIT_HASH_POLICY]); | |
322 | ||
a4b32ce7 NA |
323 | bond_opt_initval(&newval, xmit_hash_policy); |
324 | err = __bond_opt_set(bond, BOND_OPT_XMIT_HASH, &newval); | |
f70161c6 | 325 | if (err) |
326 | return err; | |
327 | } | |
d8838de7 | 328 | if (data[IFLA_BOND_RESEND_IGMP]) { |
329 | int resend_igmp = | |
330 | nla_get_u32(data[IFLA_BOND_RESEND_IGMP]); | |
331 | ||
105c8fb6 NA |
332 | bond_opt_initval(&newval, resend_igmp); |
333 | err = __bond_opt_set(bond, BOND_OPT_RESEND_IGMP, &newval); | |
d8838de7 | 334 | if (err) |
335 | return err; | |
336 | } | |
2c9839c1 | 337 | if (data[IFLA_BOND_NUM_PEER_NOTIF]) { |
338 | int num_peer_notif = | |
339 | nla_get_u8(data[IFLA_BOND_NUM_PEER_NOTIF]); | |
340 | ||
ef56becb NA |
341 | bond_opt_initval(&newval, num_peer_notif); |
342 | err = __bond_opt_set(bond, BOND_OPT_NUM_PEER_NOTIF, &newval); | |
2c9839c1 | 343 | if (err) |
344 | return err; | |
345 | } | |
1cc0b1e3 | 346 | if (data[IFLA_BOND_ALL_SLAVES_ACTIVE]) { |
347 | int all_slaves_active = | |
348 | nla_get_u8(data[IFLA_BOND_ALL_SLAVES_ACTIVE]); | |
349 | ||
3df01162 NA |
350 | bond_opt_initval(&newval, all_slaves_active); |
351 | err = __bond_opt_set(bond, BOND_OPT_ALL_SLAVES_ACTIVE, &newval); | |
1cc0b1e3 | 352 | if (err) |
353 | return err; | |
354 | } | |
7d101008 | 355 | if (data[IFLA_BOND_MIN_LINKS]) { |
356 | int min_links = | |
357 | nla_get_u32(data[IFLA_BOND_MIN_LINKS]); | |
358 | ||
633ddc9e NA |
359 | bond_opt_initval(&newval, min_links); |
360 | err = __bond_opt_set(bond, BOND_OPT_MINLINKS, &newval); | |
7d101008 | 361 | if (err) |
362 | return err; | |
363 | } | |
8d836d09 | 364 | if (data[IFLA_BOND_LP_INTERVAL]) { |
365 | int lp_interval = | |
366 | nla_get_u32(data[IFLA_BOND_LP_INTERVAL]); | |
367 | ||
4325b374 NA |
368 | bond_opt_initval(&newval, lp_interval); |
369 | err = __bond_opt_set(bond, BOND_OPT_LP_INTERVAL, &newval); | |
8d836d09 | 370 | if (err) |
371 | return err; | |
372 | } | |
c13ab3ff | 373 | if (data[IFLA_BOND_PACKETS_PER_SLAVE]) { |
374 | int packets_per_slave = | |
375 | nla_get_u32(data[IFLA_BOND_PACKETS_PER_SLAVE]); | |
376 | ||
aa59d851 NA |
377 | bond_opt_initval(&newval, packets_per_slave); |
378 | err = __bond_opt_set(bond, BOND_OPT_PACKETS_PER_SLAVE, &newval); | |
c13ab3ff | 379 | if (err) |
380 | return err; | |
381 | } | |
998e40bb | 382 | if (data[IFLA_BOND_AD_LACP_RATE]) { |
383 | int lacp_rate = | |
384 | nla_get_u8(data[IFLA_BOND_AD_LACP_RATE]); | |
385 | ||
d3131de7 NA |
386 | bond_opt_initval(&newval, lacp_rate); |
387 | err = __bond_opt_set(bond, BOND_OPT_LACP_RATE, &newval); | |
998e40bb | 388 | if (err) |
389 | return err; | |
390 | } | |
ec029fac | 391 | if (data[IFLA_BOND_AD_SELECT]) { |
392 | int ad_select = | |
393 | nla_get_u8(data[IFLA_BOND_AD_SELECT]); | |
394 | ||
9e5f5eeb NA |
395 | bond_opt_initval(&newval, ad_select); |
396 | err = __bond_opt_set(bond, BOND_OPT_AD_SELECT, &newval); | |
ec029fac | 397 | if (err) |
398 | return err; | |
399 | } | |
171a42c3 AG |
400 | if (data[IFLA_BOND_AD_ACTOR_SYS_PRIO]) { |
401 | int actor_sys_prio = | |
402 | nla_get_u16(data[IFLA_BOND_AD_ACTOR_SYS_PRIO]); | |
403 | ||
404 | bond_opt_initval(&newval, actor_sys_prio); | |
405 | err = __bond_opt_set(bond, BOND_OPT_AD_ACTOR_SYS_PRIO, &newval); | |
406 | if (err) | |
407 | return err; | |
408 | } | |
171a42c3 AG |
409 | if (data[IFLA_BOND_AD_USER_PORT_KEY]) { |
410 | int port_key = | |
411 | nla_get_u16(data[IFLA_BOND_AD_USER_PORT_KEY]); | |
412 | ||
413 | bond_opt_initval(&newval, port_key); | |
414 | err = __bond_opt_set(bond, BOND_OPT_AD_USER_PORT_KEY, &newval); | |
415 | if (err) | |
416 | return err; | |
417 | } | |
171a42c3 AG |
418 | if (data[IFLA_BOND_AD_ACTOR_SYSTEM]) { |
419 | if (nla_len(data[IFLA_BOND_AD_ACTOR_SYSTEM]) != ETH_ALEN) | |
420 | return -EINVAL; | |
421 | ||
422 | bond_opt_initval(&newval, | |
423 | nla_get_be64(data[IFLA_BOND_AD_ACTOR_SYSTEM])); | |
424 | err = __bond_opt_set(bond, BOND_OPT_AD_ACTOR_SYSTEM, &newval); | |
425 | if (err) | |
426 | return err; | |
427 | } | |
0f7bffd9 NA |
428 | if (data[IFLA_BOND_TLB_DYNAMIC_LB]) { |
429 | int dynamic_lb = nla_get_u8(data[IFLA_BOND_TLB_DYNAMIC_LB]); | |
430 | ||
431 | bond_opt_initval(&newval, dynamic_lb); | |
432 | err = __bond_opt_set(bond, BOND_OPT_TLB_DYNAMIC_LB, &newval); | |
433 | if (err) | |
434 | return err; | |
435 | } | |
436 | ||
90af2311 JP |
437 | return 0; |
438 | } | |
439 | ||
440 | static int bond_newlink(struct net *src_net, struct net_device *bond_dev, | |
441 | struct nlattr *tb[], struct nlattr *data[]) | |
442 | { | |
443 | int err; | |
444 | ||
445 | err = bond_changelink(bond_dev, tb, data); | |
446 | if (err < 0) | |
447 | return err; | |
448 | ||
005db31d BG |
449 | err = register_netdevice(bond_dev); |
450 | ||
451 | netif_carrier_off(bond_dev); | |
ea8ffc08 MB |
452 | if (!err) { |
453 | struct bonding *bond = netdev_priv(bond_dev); | |
454 | ||
455 | bond_work_init_all(bond); | |
456 | } | |
005db31d BG |
457 | |
458 | return err; | |
90af2311 JP |
459 | } |
460 | ||
461 | static size_t bond_get_size(const struct net_device *bond_dev) | |
462 | { | |
e139862e | 463 | return nla_total_size(sizeof(u8)) + /* IFLA_BOND_MODE */ |
eecdaa6e | 464 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_ACTIVE_SLAVE */ |
465 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIIMON */ | |
25852e29 | 466 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_UPDELAY */ |
c7461f9b | 467 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_DOWNDELAY */ |
9f53e14e | 468 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_USE_CARRIER */ |
06151dbc | 469 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_INTERVAL */ |
7f28fa10 | 470 | /* IFLA_BOND_ARP_IP_TARGET */ |
288db0aa | 471 | nla_total_size(sizeof(struct nlattr)) + |
7f28fa10 | 472 | nla_total_size(sizeof(u32)) * BOND_MAX_ARP_TARGETS + |
29c49482 | 473 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_VALIDATE */ |
d5c84254 | 474 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_ALL_TARGETS */ |
0a98a0d1 | 475 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_PRIMARY */ |
8a41ae44 | 476 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_PRIMARY_RESELECT */ |
89901972 | 477 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_FAIL_OVER_MAC */ |
f70161c6 | 478 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_XMIT_HASH_POLICY */ |
d8838de7 | 479 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_RESEND_IGMP */ |
2c9839c1 | 480 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_NUM_PEER_NOTIF */ |
1cc0b1e3 | 481 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_ALL_SLAVES_ACTIVE */ |
7d101008 | 482 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIN_LINKS */ |
8d836d09 | 483 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_LP_INTERVAL */ |
c13ab3ff | 484 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_PACKETS_PER_SLAVE */ |
998e40bb | 485 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_AD_LACP_RATE */ |
ec029fac | 486 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_AD_SELECT */ |
4ee7ac75 | 487 | nla_total_size(sizeof(struct nlattr)) + /* IFLA_BOND_AD_INFO */ |
488 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_AGGREGATOR */ | |
489 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_NUM_PORTS */ | |
490 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_ACTOR_KEY */ | |
491 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_PARTNER_KEY*/ | |
492 | nla_total_size(ETH_ALEN) + /* IFLA_BOND_AD_INFO_PARTNER_MAC*/ | |
171a42c3 AG |
493 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_ACTOR_SYS_PRIO */ |
494 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_USER_PORT_KEY */ | |
495 | nla_total_size(ETH_ALEN) + /* IFLA_BOND_AD_ACTOR_SYSTEM */ | |
0f7bffd9 | 496 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_TLB_DYNAMIC_LB */ |
eecdaa6e | 497 | 0; |
90af2311 JP |
498 | } |
499 | ||
e965f804 ED |
500 | static int bond_option_active_slave_get_ifindex(struct bonding *bond) |
501 | { | |
502 | const struct net_device *slave; | |
503 | int ifindex; | |
504 | ||
505 | rcu_read_lock(); | |
506 | slave = bond_option_active_slave_get_rcu(bond); | |
507 | ifindex = slave ? slave->ifindex : 0; | |
508 | rcu_read_unlock(); | |
509 | return ifindex; | |
510 | } | |
511 | ||
90af2311 JP |
512 | static int bond_fill_info(struct sk_buff *skb, |
513 | const struct net_device *bond_dev) | |
514 | { | |
515 | struct bonding *bond = netdev_priv(bond_dev); | |
c13ab3ff | 516 | unsigned int packets_per_slave; |
e965f804 ED |
517 | int ifindex, i, targets_added; |
518 | struct nlattr *targets; | |
059b47e8 | 519 | struct slave *primary; |
90af2311 | 520 | |
01844098 | 521 | if (nla_put_u8(skb, IFLA_BOND_MODE, BOND_MODE(bond))) |
90af2311 | 522 | goto nla_put_failure; |
eecdaa6e | 523 | |
e965f804 ED |
524 | ifindex = bond_option_active_slave_get_ifindex(bond); |
525 | if (ifindex && nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, ifindex)) | |
eecdaa6e | 526 | goto nla_put_failure; |
527 | ||
528 | if (nla_put_u32(skb, IFLA_BOND_MIIMON, bond->params.miimon)) | |
529 | goto nla_put_failure; | |
530 | ||
25852e29 | 531 | if (nla_put_u32(skb, IFLA_BOND_UPDELAY, |
532 | bond->params.updelay * bond->params.miimon)) | |
533 | goto nla_put_failure; | |
534 | ||
c7461f9b | 535 | if (nla_put_u32(skb, IFLA_BOND_DOWNDELAY, |
536 | bond->params.downdelay * bond->params.miimon)) | |
537 | goto nla_put_failure; | |
538 | ||
9f53e14e | 539 | if (nla_put_u8(skb, IFLA_BOND_USE_CARRIER, bond->params.use_carrier)) |
540 | goto nla_put_failure; | |
541 | ||
06151dbc | 542 | if (nla_put_u32(skb, IFLA_BOND_ARP_INTERVAL, bond->params.arp_interval)) |
543 | goto nla_put_failure; | |
544 | ||
7f28fa10 | 545 | targets = nla_nest_start(skb, IFLA_BOND_ARP_IP_TARGET); |
546 | if (!targets) | |
547 | goto nla_put_failure; | |
548 | ||
549 | targets_added = 0; | |
550 | for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) { | |
551 | if (bond->params.arp_targets[i]) { | |
d62844a8 HL |
552 | if (nla_put_be32(skb, i, bond->params.arp_targets[i])) |
553 | goto nla_put_failure; | |
7f28fa10 | 554 | targets_added = 1; |
555 | } | |
556 | } | |
557 | ||
558 | if (targets_added) | |
559 | nla_nest_end(skb, targets); | |
560 | else | |
561 | nla_nest_cancel(skb, targets); | |
562 | ||
29c49482 | 563 | if (nla_put_u32(skb, IFLA_BOND_ARP_VALIDATE, bond->params.arp_validate)) |
564 | goto nla_put_failure; | |
565 | ||
d5c84254 | 566 | if (nla_put_u32(skb, IFLA_BOND_ARP_ALL_TARGETS, |
567 | bond->params.arp_all_targets)) | |
568 | goto nla_put_failure; | |
569 | ||
059b47e8 NA |
570 | primary = rtnl_dereference(bond->primary_slave); |
571 | if (primary && | |
572 | nla_put_u32(skb, IFLA_BOND_PRIMARY, primary->dev->ifindex)) | |
0a98a0d1 | 573 | goto nla_put_failure; |
574 | ||
8a41ae44 | 575 | if (nla_put_u8(skb, IFLA_BOND_PRIMARY_RESELECT, |
576 | bond->params.primary_reselect)) | |
577 | goto nla_put_failure; | |
578 | ||
89901972 | 579 | if (nla_put_u8(skb, IFLA_BOND_FAIL_OVER_MAC, |
580 | bond->params.fail_over_mac)) | |
581 | goto nla_put_failure; | |
582 | ||
f70161c6 | 583 | if (nla_put_u8(skb, IFLA_BOND_XMIT_HASH_POLICY, |
584 | bond->params.xmit_policy)) | |
585 | goto nla_put_failure; | |
586 | ||
d8838de7 | 587 | if (nla_put_u32(skb, IFLA_BOND_RESEND_IGMP, |
588 | bond->params.resend_igmp)) | |
589 | goto nla_put_failure; | |
590 | ||
2c9839c1 | 591 | if (nla_put_u8(skb, IFLA_BOND_NUM_PEER_NOTIF, |
592 | bond->params.num_peer_notif)) | |
593 | goto nla_put_failure; | |
594 | ||
1cc0b1e3 | 595 | if (nla_put_u8(skb, IFLA_BOND_ALL_SLAVES_ACTIVE, |
596 | bond->params.all_slaves_active)) | |
597 | goto nla_put_failure; | |
598 | ||
7d101008 | 599 | if (nla_put_u32(skb, IFLA_BOND_MIN_LINKS, |
600 | bond->params.min_links)) | |
601 | goto nla_put_failure; | |
602 | ||
8d836d09 | 603 | if (nla_put_u32(skb, IFLA_BOND_LP_INTERVAL, |
604 | bond->params.lp_interval)) | |
605 | goto nla_put_failure; | |
606 | ||
c13ab3ff | 607 | packets_per_slave = bond->params.packets_per_slave; |
c13ab3ff | 608 | if (nla_put_u32(skb, IFLA_BOND_PACKETS_PER_SLAVE, |
609 | packets_per_slave)) | |
610 | goto nla_put_failure; | |
611 | ||
998e40bb | 612 | if (nla_put_u8(skb, IFLA_BOND_AD_LACP_RATE, |
613 | bond->params.lacp_fast)) | |
614 | goto nla_put_failure; | |
615 | ||
ec029fac | 616 | if (nla_put_u8(skb, IFLA_BOND_AD_SELECT, |
617 | bond->params.ad_select)) | |
618 | goto nla_put_failure; | |
619 | ||
0f7bffd9 NA |
620 | if (nla_put_u8(skb, IFLA_BOND_TLB_DYNAMIC_LB, |
621 | bond->params.tlb_dynamic_lb)) | |
622 | goto nla_put_failure; | |
623 | ||
01844098 | 624 | if (BOND_MODE(bond) == BOND_MODE_8023AD) { |
4ee7ac75 | 625 | struct ad_info info; |
626 | ||
4cd6b475 MB |
627 | if (capable(CAP_NET_ADMIN)) { |
628 | if (nla_put_u16(skb, IFLA_BOND_AD_ACTOR_SYS_PRIO, | |
629 | bond->params.ad_actor_sys_prio)) | |
630 | goto nla_put_failure; | |
171a42c3 | 631 | |
4cd6b475 MB |
632 | if (nla_put_u16(skb, IFLA_BOND_AD_USER_PORT_KEY, |
633 | bond->params.ad_user_port_key)) | |
634 | goto nla_put_failure; | |
171a42c3 | 635 | |
4cd6b475 MB |
636 | if (nla_put(skb, IFLA_BOND_AD_ACTOR_SYSTEM, |
637 | sizeof(bond->params.ad_actor_system), | |
638 | &bond->params.ad_actor_system)) | |
639 | goto nla_put_failure; | |
640 | } | |
4ee7ac75 | 641 | if (!bond_3ad_get_active_agg_info(bond, &info)) { |
642 | struct nlattr *nest; | |
643 | ||
644 | nest = nla_nest_start(skb, IFLA_BOND_AD_INFO); | |
645 | if (!nest) | |
646 | goto nla_put_failure; | |
647 | ||
648 | if (nla_put_u16(skb, IFLA_BOND_AD_INFO_AGGREGATOR, | |
649 | info.aggregator_id)) | |
650 | goto nla_put_failure; | |
651 | if (nla_put_u16(skb, IFLA_BOND_AD_INFO_NUM_PORTS, | |
652 | info.ports)) | |
653 | goto nla_put_failure; | |
654 | if (nla_put_u16(skb, IFLA_BOND_AD_INFO_ACTOR_KEY, | |
655 | info.actor_key)) | |
656 | goto nla_put_failure; | |
657 | if (nla_put_u16(skb, IFLA_BOND_AD_INFO_PARTNER_KEY, | |
658 | info.partner_key)) | |
659 | goto nla_put_failure; | |
660 | if (nla_put(skb, IFLA_BOND_AD_INFO_PARTNER_MAC, | |
661 | sizeof(info.partner_system), | |
662 | &info.partner_system)) | |
663 | goto nla_put_failure; | |
664 | ||
665 | nla_nest_end(skb, nest); | |
666 | } | |
667 | } | |
668 | ||
90af2311 JP |
669 | return 0; |
670 | ||
671 | nla_put_failure: | |
672 | return -EMSGSIZE; | |
673 | } | |
674 | ||
0a2a78c4 JP |
675 | struct rtnl_link_ops bond_link_ops __read_mostly = { |
676 | .kind = "bond", | |
677 | .priv_size = sizeof(struct bonding), | |
678 | .setup = bond_setup, | |
90af2311 JP |
679 | .maxtype = IFLA_BOND_MAX, |
680 | .policy = bond_policy, | |
0a2a78c4 | 681 | .validate = bond_validate, |
90af2311 JP |
682 | .newlink = bond_newlink, |
683 | .changelink = bond_changelink, | |
684 | .get_size = bond_get_size, | |
685 | .fill_info = bond_fill_info, | |
0a2a78c4 JP |
686 | .get_num_tx_queues = bond_get_num_tx_queues, |
687 | .get_num_rx_queues = bond_get_num_tx_queues, /* Use the same number | |
688 | as for TX queues */ | |
cea6aeb6 JP |
689 | .slave_maxtype = IFLA_BOND_SLAVE_MAX, |
690 | .slave_policy = bond_slave_policy, | |
691 | .slave_changelink = bond_slave_changelink, | |
3bad540e JP |
692 | .get_slave_size = bond_get_slave_size, |
693 | .fill_slave_info = bond_fill_slave_info, | |
0a2a78c4 JP |
694 | }; |
695 | ||
696 | int __init bond_netlink_init(void) | |
697 | { | |
698 | return rtnl_link_register(&bond_link_ops); | |
699 | } | |
700 | ||
a729e83a | 701 | void bond_netlink_fini(void) |
0a2a78c4 JP |
702 | { |
703 | rtnl_link_unregister(&bond_link_ops); | |
704 | } | |
705 | ||
706 | MODULE_ALIAS_RTNL_LINK("bond"); |