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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 | ||
a8b8a889 MS |
121 | static int bond_validate(struct nlattr *tb[], struct nlattr *data[], |
122 | struct netlink_ext_ack *extack) | |
0a2a78c4 JP |
123 | { |
124 | if (tb[IFLA_ADDRESS]) { | |
125 | if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) | |
126 | return -EINVAL; | |
127 | if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS]))) | |
128 | return -EADDRNOTAVAIL; | |
129 | } | |
130 | return 0; | |
131 | } | |
132 | ||
0f23124a NA |
133 | static int bond_slave_changelink(struct net_device *bond_dev, |
134 | struct net_device *slave_dev, | |
17dd0ec4 MS |
135 | struct nlattr *tb[], struct nlattr *data[], |
136 | struct netlink_ext_ack *extack) | |
0f23124a NA |
137 | { |
138 | struct bonding *bond = netdev_priv(bond_dev); | |
139 | struct bond_opt_value newval; | |
140 | int err; | |
141 | ||
142 | if (!data) | |
143 | return 0; | |
144 | ||
145 | if (data[IFLA_BOND_SLAVE_QUEUE_ID]) { | |
146 | u16 queue_id = nla_get_u16(data[IFLA_BOND_SLAVE_QUEUE_ID]); | |
147 | char queue_id_str[IFNAMSIZ + 7]; | |
148 | ||
149 | /* queue_id option setting expects slave_name:queue_id */ | |
150 | snprintf(queue_id_str, sizeof(queue_id_str), "%s:%u\n", | |
151 | slave_dev->name, queue_id); | |
152 | bond_opt_initstr(&newval, queue_id_str); | |
153 | err = __bond_opt_set(bond, BOND_OPT_QUEUE_ID, &newval); | |
154 | if (err) | |
155 | return err; | |
156 | } | |
157 | ||
158 | return 0; | |
159 | } | |
160 | ||
ad744b22 MS |
161 | static int bond_changelink(struct net_device *bond_dev, struct nlattr *tb[], |
162 | struct nlattr *data[], | |
163 | struct netlink_ext_ack *extack) | |
90af2311 JP |
164 | { |
165 | struct bonding *bond = netdev_priv(bond_dev); | |
2b3798d5 | 166 | struct bond_opt_value newval; |
06151dbc | 167 | int miimon = 0; |
90af2311 JP |
168 | int err; |
169 | ||
eecdaa6e | 170 | if (!data) |
171 | return 0; | |
172 | ||
173 | if (data[IFLA_BOND_MODE]) { | |
90af2311 JP |
174 | int mode = nla_get_u8(data[IFLA_BOND_MODE]); |
175 | ||
2b3798d5 NA |
176 | bond_opt_initval(&newval, mode); |
177 | err = __bond_opt_set(bond, BOND_OPT_MODE, &newval); | |
90af2311 JP |
178 | if (err) |
179 | return err; | |
180 | } | |
eecdaa6e | 181 | if (data[IFLA_BOND_ACTIVE_SLAVE]) { |
ec76aa49 JP |
182 | int ifindex = nla_get_u32(data[IFLA_BOND_ACTIVE_SLAVE]); |
183 | struct net_device *slave_dev; | |
d1fbd3ed | 184 | char *active_slave = ""; |
ec76aa49 | 185 | |
d1fbd3ed | 186 | if (ifindex != 0) { |
ec76aa49 JP |
187 | slave_dev = __dev_get_by_index(dev_net(bond_dev), |
188 | ifindex); | |
189 | if (!slave_dev) | |
190 | return -ENODEV; | |
d1fbd3ed | 191 | active_slave = slave_dev->name; |
ec76aa49 | 192 | } |
d1fbd3ed NA |
193 | bond_opt_initstr(&newval, active_slave); |
194 | err = __bond_opt_set(bond, BOND_OPT_ACTIVE_SLAVE, &newval); | |
ec76aa49 JP |
195 | if (err) |
196 | return err; | |
197 | } | |
eecdaa6e | 198 | if (data[IFLA_BOND_MIIMON]) { |
06151dbc | 199 | miimon = nla_get_u32(data[IFLA_BOND_MIIMON]); |
eecdaa6e | 200 | |
b98d9c66 NA |
201 | bond_opt_initval(&newval, miimon); |
202 | err = __bond_opt_set(bond, BOND_OPT_MIIMON, &newval); | |
eecdaa6e | 203 | if (err) |
204 | return err; | |
205 | } | |
25852e29 | 206 | if (data[IFLA_BOND_UPDELAY]) { |
207 | int updelay = nla_get_u32(data[IFLA_BOND_UPDELAY]); | |
208 | ||
e4994612 NA |
209 | bond_opt_initval(&newval, updelay); |
210 | err = __bond_opt_set(bond, BOND_OPT_UPDELAY, &newval); | |
25852e29 | 211 | if (err) |
212 | return err; | |
213 | } | |
c7461f9b | 214 | if (data[IFLA_BOND_DOWNDELAY]) { |
215 | int downdelay = nla_get_u32(data[IFLA_BOND_DOWNDELAY]); | |
216 | ||
25a9b54a NA |
217 | bond_opt_initval(&newval, downdelay); |
218 | err = __bond_opt_set(bond, BOND_OPT_DOWNDELAY, &newval); | |
c7461f9b | 219 | if (err) |
220 | return err; | |
221 | } | |
9f53e14e | 222 | if (data[IFLA_BOND_USE_CARRIER]) { |
223 | int use_carrier = nla_get_u8(data[IFLA_BOND_USE_CARRIER]); | |
224 | ||
0fff0608 NA |
225 | bond_opt_initval(&newval, use_carrier); |
226 | err = __bond_opt_set(bond, BOND_OPT_USE_CARRIER, &newval); | |
9f53e14e | 227 | if (err) |
228 | return err; | |
229 | } | |
06151dbc | 230 | if (data[IFLA_BOND_ARP_INTERVAL]) { |
231 | int arp_interval = nla_get_u32(data[IFLA_BOND_ARP_INTERVAL]); | |
232 | ||
233 | if (arp_interval && miimon) { | |
a5f24542 | 234 | netdev_err(bond->dev, "ARP monitoring cannot be used with MII monitoring\n"); |
06151dbc | 235 | return -EINVAL; |
236 | } | |
237 | ||
7bdb04ed NA |
238 | bond_opt_initval(&newval, arp_interval); |
239 | err = __bond_opt_set(bond, BOND_OPT_ARP_INTERVAL, &newval); | |
06151dbc | 240 | if (err) |
241 | return err; | |
242 | } | |
7f28fa10 | 243 | if (data[IFLA_BOND_ARP_IP_TARGET]) { |
7f28fa10 | 244 | struct nlattr *attr; |
245 | int i = 0, rem; | |
246 | ||
4fb0ef58 | 247 | bond_option_arp_ip_targets_clear(bond); |
7f28fa10 | 248 | nla_for_each_nested(attr, data[IFLA_BOND_ARP_IP_TARGET], rem) { |
f6c6fda4 TG |
249 | __be32 target; |
250 | ||
251 | if (nla_len(attr) < sizeof(target)) | |
252 | return -EINVAL; | |
253 | ||
254 | target = nla_get_be32(attr); | |
7f28fa10 | 255 | |
a19a7ec8 | 256 | bond_opt_initval(&newval, (__force u64)target); |
4fb0ef58 NA |
257 | err = __bond_opt_set(bond, BOND_OPT_ARP_TARGETS, |
258 | &newval); | |
259 | if (err) | |
260 | break; | |
261 | i++; | |
262 | } | |
263 | if (i == 0 && bond->params.arp_interval) | |
a5f24542 | 264 | netdev_warn(bond->dev, "Removing last arp target with arp_interval on\n"); |
7f28fa10 | 265 | if (err) |
266 | return err; | |
267 | } | |
29c49482 | 268 | if (data[IFLA_BOND_ARP_VALIDATE]) { |
269 | int arp_validate = nla_get_u32(data[IFLA_BOND_ARP_VALIDATE]); | |
270 | ||
271 | if (arp_validate && miimon) { | |
a5f24542 | 272 | netdev_err(bond->dev, "ARP validating cannot be used with MII monitoring\n"); |
29c49482 | 273 | return -EINVAL; |
274 | } | |
275 | ||
16228881 NA |
276 | bond_opt_initval(&newval, arp_validate); |
277 | err = __bond_opt_set(bond, BOND_OPT_ARP_VALIDATE, &newval); | |
29c49482 | 278 | if (err) |
279 | return err; | |
280 | } | |
d5c84254 | 281 | if (data[IFLA_BOND_ARP_ALL_TARGETS]) { |
282 | int arp_all_targets = | |
283 | nla_get_u32(data[IFLA_BOND_ARP_ALL_TARGETS]); | |
284 | ||
edf36b24 NA |
285 | bond_opt_initval(&newval, arp_all_targets); |
286 | err = __bond_opt_set(bond, BOND_OPT_ARP_ALL_TARGETS, &newval); | |
d5c84254 | 287 | if (err) |
288 | return err; | |
289 | } | |
0a98a0d1 | 290 | if (data[IFLA_BOND_PRIMARY]) { |
291 | int ifindex = nla_get_u32(data[IFLA_BOND_PRIMARY]); | |
292 | struct net_device *dev; | |
293 | char *primary = ""; | |
294 | ||
295 | dev = __dev_get_by_index(dev_net(bond_dev), ifindex); | |
296 | if (dev) | |
297 | primary = dev->name; | |
298 | ||
180222f0 NA |
299 | bond_opt_initstr(&newval, primary); |
300 | err = __bond_opt_set(bond, BOND_OPT_PRIMARY, &newval); | |
0a98a0d1 | 301 | if (err) |
302 | return err; | |
303 | } | |
8a41ae44 | 304 | if (data[IFLA_BOND_PRIMARY_RESELECT]) { |
305 | int primary_reselect = | |
306 | nla_get_u8(data[IFLA_BOND_PRIMARY_RESELECT]); | |
307 | ||
388d3a6d NA |
308 | bond_opt_initval(&newval, primary_reselect); |
309 | err = __bond_opt_set(bond, BOND_OPT_PRIMARY_RESELECT, &newval); | |
8a41ae44 | 310 | if (err) |
311 | return err; | |
312 | } | |
89901972 | 313 | if (data[IFLA_BOND_FAIL_OVER_MAC]) { |
314 | int fail_over_mac = | |
315 | nla_get_u8(data[IFLA_BOND_FAIL_OVER_MAC]); | |
316 | ||
1df6b6aa NA |
317 | bond_opt_initval(&newval, fail_over_mac); |
318 | err = __bond_opt_set(bond, BOND_OPT_FAIL_OVER_MAC, &newval); | |
89901972 | 319 | if (err) |
320 | return err; | |
321 | } | |
f70161c6 | 322 | if (data[IFLA_BOND_XMIT_HASH_POLICY]) { |
323 | int xmit_hash_policy = | |
324 | nla_get_u8(data[IFLA_BOND_XMIT_HASH_POLICY]); | |
325 | ||
a4b32ce7 NA |
326 | bond_opt_initval(&newval, xmit_hash_policy); |
327 | err = __bond_opt_set(bond, BOND_OPT_XMIT_HASH, &newval); | |
f70161c6 | 328 | if (err) |
329 | return err; | |
330 | } | |
d8838de7 | 331 | if (data[IFLA_BOND_RESEND_IGMP]) { |
332 | int resend_igmp = | |
333 | nla_get_u32(data[IFLA_BOND_RESEND_IGMP]); | |
334 | ||
105c8fb6 NA |
335 | bond_opt_initval(&newval, resend_igmp); |
336 | err = __bond_opt_set(bond, BOND_OPT_RESEND_IGMP, &newval); | |
d8838de7 | 337 | if (err) |
338 | return err; | |
339 | } | |
2c9839c1 | 340 | if (data[IFLA_BOND_NUM_PEER_NOTIF]) { |
341 | int num_peer_notif = | |
342 | nla_get_u8(data[IFLA_BOND_NUM_PEER_NOTIF]); | |
343 | ||
ef56becb NA |
344 | bond_opt_initval(&newval, num_peer_notif); |
345 | err = __bond_opt_set(bond, BOND_OPT_NUM_PEER_NOTIF, &newval); | |
2c9839c1 | 346 | if (err) |
347 | return err; | |
348 | } | |
1cc0b1e3 | 349 | if (data[IFLA_BOND_ALL_SLAVES_ACTIVE]) { |
350 | int all_slaves_active = | |
351 | nla_get_u8(data[IFLA_BOND_ALL_SLAVES_ACTIVE]); | |
352 | ||
3df01162 NA |
353 | bond_opt_initval(&newval, all_slaves_active); |
354 | err = __bond_opt_set(bond, BOND_OPT_ALL_SLAVES_ACTIVE, &newval); | |
1cc0b1e3 | 355 | if (err) |
356 | return err; | |
357 | } | |
7d101008 | 358 | if (data[IFLA_BOND_MIN_LINKS]) { |
359 | int min_links = | |
360 | nla_get_u32(data[IFLA_BOND_MIN_LINKS]); | |
361 | ||
633ddc9e NA |
362 | bond_opt_initval(&newval, min_links); |
363 | err = __bond_opt_set(bond, BOND_OPT_MINLINKS, &newval); | |
7d101008 | 364 | if (err) |
365 | return err; | |
366 | } | |
8d836d09 | 367 | if (data[IFLA_BOND_LP_INTERVAL]) { |
368 | int lp_interval = | |
369 | nla_get_u32(data[IFLA_BOND_LP_INTERVAL]); | |
370 | ||
4325b374 NA |
371 | bond_opt_initval(&newval, lp_interval); |
372 | err = __bond_opt_set(bond, BOND_OPT_LP_INTERVAL, &newval); | |
8d836d09 | 373 | if (err) |
374 | return err; | |
375 | } | |
c13ab3ff | 376 | if (data[IFLA_BOND_PACKETS_PER_SLAVE]) { |
377 | int packets_per_slave = | |
378 | nla_get_u32(data[IFLA_BOND_PACKETS_PER_SLAVE]); | |
379 | ||
aa59d851 NA |
380 | bond_opt_initval(&newval, packets_per_slave); |
381 | err = __bond_opt_set(bond, BOND_OPT_PACKETS_PER_SLAVE, &newval); | |
c13ab3ff | 382 | if (err) |
383 | return err; | |
384 | } | |
998e40bb | 385 | if (data[IFLA_BOND_AD_LACP_RATE]) { |
386 | int lacp_rate = | |
387 | nla_get_u8(data[IFLA_BOND_AD_LACP_RATE]); | |
388 | ||
d3131de7 NA |
389 | bond_opt_initval(&newval, lacp_rate); |
390 | err = __bond_opt_set(bond, BOND_OPT_LACP_RATE, &newval); | |
998e40bb | 391 | if (err) |
392 | return err; | |
393 | } | |
ec029fac | 394 | if (data[IFLA_BOND_AD_SELECT]) { |
395 | int ad_select = | |
396 | nla_get_u8(data[IFLA_BOND_AD_SELECT]); | |
397 | ||
9e5f5eeb NA |
398 | bond_opt_initval(&newval, ad_select); |
399 | err = __bond_opt_set(bond, BOND_OPT_AD_SELECT, &newval); | |
ec029fac | 400 | if (err) |
401 | return err; | |
402 | } | |
171a42c3 AG |
403 | if (data[IFLA_BOND_AD_ACTOR_SYS_PRIO]) { |
404 | int actor_sys_prio = | |
405 | nla_get_u16(data[IFLA_BOND_AD_ACTOR_SYS_PRIO]); | |
406 | ||
407 | bond_opt_initval(&newval, actor_sys_prio); | |
408 | err = __bond_opt_set(bond, BOND_OPT_AD_ACTOR_SYS_PRIO, &newval); | |
409 | if (err) | |
410 | return err; | |
411 | } | |
171a42c3 AG |
412 | if (data[IFLA_BOND_AD_USER_PORT_KEY]) { |
413 | int port_key = | |
414 | nla_get_u16(data[IFLA_BOND_AD_USER_PORT_KEY]); | |
415 | ||
416 | bond_opt_initval(&newval, port_key); | |
417 | err = __bond_opt_set(bond, BOND_OPT_AD_USER_PORT_KEY, &newval); | |
418 | if (err) | |
419 | return err; | |
420 | } | |
171a42c3 AG |
421 | if (data[IFLA_BOND_AD_ACTOR_SYSTEM]) { |
422 | if (nla_len(data[IFLA_BOND_AD_ACTOR_SYSTEM]) != ETH_ALEN) | |
423 | return -EINVAL; | |
424 | ||
425 | bond_opt_initval(&newval, | |
5eb3d22a | 426 | nla_get_u64(data[IFLA_BOND_AD_ACTOR_SYSTEM])); |
171a42c3 AG |
427 | err = __bond_opt_set(bond, BOND_OPT_AD_ACTOR_SYSTEM, &newval); |
428 | if (err) | |
429 | return err; | |
430 | } | |
0f7bffd9 NA |
431 | if (data[IFLA_BOND_TLB_DYNAMIC_LB]) { |
432 | int dynamic_lb = nla_get_u8(data[IFLA_BOND_TLB_DYNAMIC_LB]); | |
433 | ||
434 | bond_opt_initval(&newval, dynamic_lb); | |
435 | err = __bond_opt_set(bond, BOND_OPT_TLB_DYNAMIC_LB, &newval); | |
436 | if (err) | |
437 | return err; | |
438 | } | |
439 | ||
90af2311 JP |
440 | return 0; |
441 | } | |
442 | ||
443 | static int bond_newlink(struct net *src_net, struct net_device *bond_dev, | |
7a3f4a18 MS |
444 | struct nlattr *tb[], struct nlattr *data[], |
445 | struct netlink_ext_ack *extack) | |
90af2311 JP |
446 | { |
447 | int err; | |
448 | ||
ad744b22 | 449 | err = bond_changelink(bond_dev, tb, data, extack); |
90af2311 JP |
450 | if (err < 0) |
451 | return err; | |
452 | ||
005db31d BG |
453 | err = register_netdevice(bond_dev); |
454 | ||
455 | netif_carrier_off(bond_dev); | |
ea8ffc08 MB |
456 | if (!err) { |
457 | struct bonding *bond = netdev_priv(bond_dev); | |
458 | ||
459 | bond_work_init_all(bond); | |
460 | } | |
005db31d BG |
461 | |
462 | return err; | |
90af2311 JP |
463 | } |
464 | ||
465 | static size_t bond_get_size(const struct net_device *bond_dev) | |
466 | { | |
e139862e | 467 | return nla_total_size(sizeof(u8)) + /* IFLA_BOND_MODE */ |
eecdaa6e | 468 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_ACTIVE_SLAVE */ |
469 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIIMON */ | |
25852e29 | 470 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_UPDELAY */ |
c7461f9b | 471 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_DOWNDELAY */ |
9f53e14e | 472 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_USE_CARRIER */ |
06151dbc | 473 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_INTERVAL */ |
7f28fa10 | 474 | /* IFLA_BOND_ARP_IP_TARGET */ |
288db0aa | 475 | nla_total_size(sizeof(struct nlattr)) + |
7f28fa10 | 476 | nla_total_size(sizeof(u32)) * BOND_MAX_ARP_TARGETS + |
29c49482 | 477 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_VALIDATE */ |
d5c84254 | 478 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_ALL_TARGETS */ |
0a98a0d1 | 479 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_PRIMARY */ |
8a41ae44 | 480 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_PRIMARY_RESELECT */ |
89901972 | 481 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_FAIL_OVER_MAC */ |
f70161c6 | 482 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_XMIT_HASH_POLICY */ |
d8838de7 | 483 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_RESEND_IGMP */ |
2c9839c1 | 484 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_NUM_PEER_NOTIF */ |
1cc0b1e3 | 485 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_ALL_SLAVES_ACTIVE */ |
7d101008 | 486 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIN_LINKS */ |
8d836d09 | 487 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_LP_INTERVAL */ |
c13ab3ff | 488 | nla_total_size(sizeof(u32)) + /* IFLA_BOND_PACKETS_PER_SLAVE */ |
998e40bb | 489 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_AD_LACP_RATE */ |
ec029fac | 490 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_AD_SELECT */ |
4ee7ac75 | 491 | nla_total_size(sizeof(struct nlattr)) + /* IFLA_BOND_AD_INFO */ |
492 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_AGGREGATOR */ | |
493 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_NUM_PORTS */ | |
494 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_ACTOR_KEY */ | |
495 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_PARTNER_KEY*/ | |
496 | nla_total_size(ETH_ALEN) + /* IFLA_BOND_AD_INFO_PARTNER_MAC*/ | |
171a42c3 AG |
497 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_ACTOR_SYS_PRIO */ |
498 | nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_USER_PORT_KEY */ | |
499 | nla_total_size(ETH_ALEN) + /* IFLA_BOND_AD_ACTOR_SYSTEM */ | |
0f7bffd9 | 500 | nla_total_size(sizeof(u8)) + /* IFLA_BOND_TLB_DYNAMIC_LB */ |
eecdaa6e | 501 | 0; |
90af2311 JP |
502 | } |
503 | ||
e965f804 ED |
504 | static int bond_option_active_slave_get_ifindex(struct bonding *bond) |
505 | { | |
506 | const struct net_device *slave; | |
507 | int ifindex; | |
508 | ||
509 | rcu_read_lock(); | |
510 | slave = bond_option_active_slave_get_rcu(bond); | |
511 | ifindex = slave ? slave->ifindex : 0; | |
512 | rcu_read_unlock(); | |
513 | return ifindex; | |
514 | } | |
515 | ||
90af2311 JP |
516 | static int bond_fill_info(struct sk_buff *skb, |
517 | const struct net_device *bond_dev) | |
518 | { | |
519 | struct bonding *bond = netdev_priv(bond_dev); | |
c13ab3ff | 520 | unsigned int packets_per_slave; |
e965f804 ED |
521 | int ifindex, i, targets_added; |
522 | struct nlattr *targets; | |
059b47e8 | 523 | struct slave *primary; |
90af2311 | 524 | |
01844098 | 525 | if (nla_put_u8(skb, IFLA_BOND_MODE, BOND_MODE(bond))) |
90af2311 | 526 | goto nla_put_failure; |
eecdaa6e | 527 | |
e965f804 ED |
528 | ifindex = bond_option_active_slave_get_ifindex(bond); |
529 | if (ifindex && nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, ifindex)) | |
eecdaa6e | 530 | goto nla_put_failure; |
531 | ||
532 | if (nla_put_u32(skb, IFLA_BOND_MIIMON, bond->params.miimon)) | |
533 | goto nla_put_failure; | |
534 | ||
25852e29 | 535 | if (nla_put_u32(skb, IFLA_BOND_UPDELAY, |
536 | bond->params.updelay * bond->params.miimon)) | |
537 | goto nla_put_failure; | |
538 | ||
c7461f9b | 539 | if (nla_put_u32(skb, IFLA_BOND_DOWNDELAY, |
540 | bond->params.downdelay * bond->params.miimon)) | |
541 | goto nla_put_failure; | |
542 | ||
9f53e14e | 543 | if (nla_put_u8(skb, IFLA_BOND_USE_CARRIER, bond->params.use_carrier)) |
544 | goto nla_put_failure; | |
545 | ||
06151dbc | 546 | if (nla_put_u32(skb, IFLA_BOND_ARP_INTERVAL, bond->params.arp_interval)) |
547 | goto nla_put_failure; | |
548 | ||
ae0be8de | 549 | targets = nla_nest_start_noflag(skb, IFLA_BOND_ARP_IP_TARGET); |
7f28fa10 | 550 | if (!targets) |
551 | goto nla_put_failure; | |
552 | ||
553 | targets_added = 0; | |
554 | for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) { | |
555 | if (bond->params.arp_targets[i]) { | |
d62844a8 HL |
556 | if (nla_put_be32(skb, i, bond->params.arp_targets[i])) |
557 | goto nla_put_failure; | |
7f28fa10 | 558 | targets_added = 1; |
559 | } | |
560 | } | |
561 | ||
562 | if (targets_added) | |
563 | nla_nest_end(skb, targets); | |
564 | else | |
565 | nla_nest_cancel(skb, targets); | |
566 | ||
29c49482 | 567 | if (nla_put_u32(skb, IFLA_BOND_ARP_VALIDATE, bond->params.arp_validate)) |
568 | goto nla_put_failure; | |
569 | ||
d5c84254 | 570 | if (nla_put_u32(skb, IFLA_BOND_ARP_ALL_TARGETS, |
571 | bond->params.arp_all_targets)) | |
572 | goto nla_put_failure; | |
573 | ||
059b47e8 NA |
574 | primary = rtnl_dereference(bond->primary_slave); |
575 | if (primary && | |
576 | nla_put_u32(skb, IFLA_BOND_PRIMARY, primary->dev->ifindex)) | |
0a98a0d1 | 577 | goto nla_put_failure; |
578 | ||
8a41ae44 | 579 | if (nla_put_u8(skb, IFLA_BOND_PRIMARY_RESELECT, |
580 | bond->params.primary_reselect)) | |
581 | goto nla_put_failure; | |
582 | ||
89901972 | 583 | if (nla_put_u8(skb, IFLA_BOND_FAIL_OVER_MAC, |
584 | bond->params.fail_over_mac)) | |
585 | goto nla_put_failure; | |
586 | ||
f70161c6 | 587 | if (nla_put_u8(skb, IFLA_BOND_XMIT_HASH_POLICY, |
588 | bond->params.xmit_policy)) | |
589 | goto nla_put_failure; | |
590 | ||
d8838de7 | 591 | if (nla_put_u32(skb, IFLA_BOND_RESEND_IGMP, |
592 | bond->params.resend_igmp)) | |
593 | goto nla_put_failure; | |
594 | ||
2c9839c1 | 595 | if (nla_put_u8(skb, IFLA_BOND_NUM_PEER_NOTIF, |
596 | bond->params.num_peer_notif)) | |
597 | goto nla_put_failure; | |
598 | ||
1cc0b1e3 | 599 | if (nla_put_u8(skb, IFLA_BOND_ALL_SLAVES_ACTIVE, |
600 | bond->params.all_slaves_active)) | |
601 | goto nla_put_failure; | |
602 | ||
7d101008 | 603 | if (nla_put_u32(skb, IFLA_BOND_MIN_LINKS, |
604 | bond->params.min_links)) | |
605 | goto nla_put_failure; | |
606 | ||
8d836d09 | 607 | if (nla_put_u32(skb, IFLA_BOND_LP_INTERVAL, |
608 | bond->params.lp_interval)) | |
609 | goto nla_put_failure; | |
610 | ||
c13ab3ff | 611 | packets_per_slave = bond->params.packets_per_slave; |
c13ab3ff | 612 | if (nla_put_u32(skb, IFLA_BOND_PACKETS_PER_SLAVE, |
613 | packets_per_slave)) | |
614 | goto nla_put_failure; | |
615 | ||
998e40bb | 616 | if (nla_put_u8(skb, IFLA_BOND_AD_LACP_RATE, |
617 | bond->params.lacp_fast)) | |
618 | goto nla_put_failure; | |
619 | ||
ec029fac | 620 | if (nla_put_u8(skb, IFLA_BOND_AD_SELECT, |
621 | bond->params.ad_select)) | |
622 | goto nla_put_failure; | |
623 | ||
0f7bffd9 NA |
624 | if (nla_put_u8(skb, IFLA_BOND_TLB_DYNAMIC_LB, |
625 | bond->params.tlb_dynamic_lb)) | |
626 | goto nla_put_failure; | |
627 | ||
01844098 | 628 | if (BOND_MODE(bond) == BOND_MODE_8023AD) { |
4ee7ac75 | 629 | struct ad_info info; |
630 | ||
4cd6b475 MB |
631 | if (capable(CAP_NET_ADMIN)) { |
632 | if (nla_put_u16(skb, IFLA_BOND_AD_ACTOR_SYS_PRIO, | |
633 | bond->params.ad_actor_sys_prio)) | |
634 | goto nla_put_failure; | |
171a42c3 | 635 | |
4cd6b475 MB |
636 | if (nla_put_u16(skb, IFLA_BOND_AD_USER_PORT_KEY, |
637 | bond->params.ad_user_port_key)) | |
638 | goto nla_put_failure; | |
171a42c3 | 639 | |
4cd6b475 | 640 | if (nla_put(skb, IFLA_BOND_AD_ACTOR_SYSTEM, |
414dd6fb | 641 | ETH_ALEN, &bond->params.ad_actor_system)) |
4cd6b475 MB |
642 | goto nla_put_failure; |
643 | } | |
4ee7ac75 | 644 | if (!bond_3ad_get_active_agg_info(bond, &info)) { |
645 | struct nlattr *nest; | |
646 | ||
ae0be8de | 647 | nest = nla_nest_start_noflag(skb, IFLA_BOND_AD_INFO); |
4ee7ac75 | 648 | if (!nest) |
649 | goto nla_put_failure; | |
650 | ||
651 | if (nla_put_u16(skb, IFLA_BOND_AD_INFO_AGGREGATOR, | |
652 | info.aggregator_id)) | |
653 | goto nla_put_failure; | |
654 | if (nla_put_u16(skb, IFLA_BOND_AD_INFO_NUM_PORTS, | |
655 | info.ports)) | |
656 | goto nla_put_failure; | |
657 | if (nla_put_u16(skb, IFLA_BOND_AD_INFO_ACTOR_KEY, | |
658 | info.actor_key)) | |
659 | goto nla_put_failure; | |
660 | if (nla_put_u16(skb, IFLA_BOND_AD_INFO_PARTNER_KEY, | |
661 | info.partner_key)) | |
662 | goto nla_put_failure; | |
663 | if (nla_put(skb, IFLA_BOND_AD_INFO_PARTNER_MAC, | |
664 | sizeof(info.partner_system), | |
665 | &info.partner_system)) | |
666 | goto nla_put_failure; | |
667 | ||
668 | nla_nest_end(skb, nest); | |
669 | } | |
670 | } | |
671 | ||
90af2311 JP |
672 | return 0; |
673 | ||
674 | nla_put_failure: | |
675 | return -EMSGSIZE; | |
676 | } | |
677 | ||
a258aeac NA |
678 | static size_t bond_get_linkxstats_size(const struct net_device *dev, int attr) |
679 | { | |
680 | switch (attr) { | |
681 | case IFLA_STATS_LINK_XSTATS: | |
682 | case IFLA_STATS_LINK_XSTATS_SLAVE: | |
683 | break; | |
684 | default: | |
685 | return 0; | |
686 | } | |
687 | ||
688 | return bond_3ad_stats_size() + nla_total_size(0); | |
689 | } | |
690 | ||
691 | static int bond_fill_linkxstats(struct sk_buff *skb, | |
692 | const struct net_device *dev, | |
693 | int *prividx, int attr) | |
694 | { | |
695 | struct nlattr *nla __maybe_unused; | |
696 | struct slave *slave = NULL; | |
697 | struct nlattr *nest, *nest2; | |
698 | struct bonding *bond; | |
699 | ||
700 | switch (attr) { | |
701 | case IFLA_STATS_LINK_XSTATS: | |
702 | bond = netdev_priv(dev); | |
703 | break; | |
704 | case IFLA_STATS_LINK_XSTATS_SLAVE: | |
705 | slave = bond_slave_get_rtnl(dev); | |
706 | if (!slave) | |
707 | return 0; | |
708 | bond = slave->bond; | |
709 | break; | |
710 | default: | |
711 | return -EINVAL; | |
712 | } | |
713 | ||
ae0be8de | 714 | nest = nla_nest_start_noflag(skb, LINK_XSTATS_TYPE_BOND); |
a258aeac NA |
715 | if (!nest) |
716 | return -EMSGSIZE; | |
717 | if (BOND_MODE(bond) == BOND_MODE_8023AD) { | |
949e7cea NA |
718 | struct bond_3ad_stats *stats; |
719 | ||
720 | if (slave) | |
721 | stats = &SLAVE_AD_INFO(slave)->stats; | |
722 | else | |
723 | stats = &BOND_AD_INFO(bond).stats; | |
a258aeac | 724 | |
ae0be8de | 725 | nest2 = nla_nest_start_noflag(skb, BOND_XSTATS_3AD); |
a258aeac NA |
726 | if (!nest2) { |
727 | nla_nest_end(skb, nest); | |
728 | return -EMSGSIZE; | |
729 | } | |
730 | ||
949e7cea | 731 | if (bond_3ad_stats_fill(skb, stats)) { |
a258aeac NA |
732 | nla_nest_cancel(skb, nest2); |
733 | nla_nest_end(skb, nest); | |
734 | return -EMSGSIZE; | |
735 | } | |
736 | nla_nest_end(skb, nest2); | |
737 | } | |
738 | nla_nest_end(skb, nest); | |
739 | ||
740 | return 0; | |
741 | } | |
742 | ||
0a2a78c4 JP |
743 | struct rtnl_link_ops bond_link_ops __read_mostly = { |
744 | .kind = "bond", | |
745 | .priv_size = sizeof(struct bonding), | |
746 | .setup = bond_setup, | |
90af2311 JP |
747 | .maxtype = IFLA_BOND_MAX, |
748 | .policy = bond_policy, | |
0a2a78c4 | 749 | .validate = bond_validate, |
90af2311 JP |
750 | .newlink = bond_newlink, |
751 | .changelink = bond_changelink, | |
752 | .get_size = bond_get_size, | |
753 | .fill_info = bond_fill_info, | |
0a2a78c4 JP |
754 | .get_num_tx_queues = bond_get_num_tx_queues, |
755 | .get_num_rx_queues = bond_get_num_tx_queues, /* Use the same number | |
756 | as for TX queues */ | |
a258aeac NA |
757 | .fill_linkxstats = bond_fill_linkxstats, |
758 | .get_linkxstats_size = bond_get_linkxstats_size, | |
cea6aeb6 JP |
759 | .slave_maxtype = IFLA_BOND_SLAVE_MAX, |
760 | .slave_policy = bond_slave_policy, | |
761 | .slave_changelink = bond_slave_changelink, | |
3bad540e JP |
762 | .get_slave_size = bond_get_slave_size, |
763 | .fill_slave_info = bond_fill_slave_info, | |
0a2a78c4 JP |
764 | }; |
765 | ||
766 | int __init bond_netlink_init(void) | |
767 | { | |
768 | return rtnl_link_register(&bond_link_ops); | |
769 | } | |
770 | ||
a729e83a | 771 | void bond_netlink_fini(void) |
0a2a78c4 JP |
772 | { |
773 | rtnl_link_unregister(&bond_link_ops); | |
774 | } | |
775 | ||
776 | MODULE_ALIAS_RTNL_LINK("bond"); |