Commit | Line | Data |
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72be35fe JP |
1 | /* |
2 | * drivers/net/bond/bond_options.c - bonding options | |
3 | * Copyright (c) 2013 Jiri Pirko <jiri@resnulli.us> | |
eecdaa6e | 4 | * Copyright (c) 2013 Scott Feldman <sfeldma@cumulusnetworks.com> |
72be35fe 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 | ||
72be35fe JP |
12 | #include <linux/errno.h> |
13 | #include <linux/if.h> | |
d9e32b21 | 14 | #include <linux/netdevice.h> |
eb2d4c64 | 15 | #include <linux/spinlock.h> |
d9e32b21 | 16 | #include <linux/rcupdate.h> |
09117362 | 17 | #include <linux/ctype.h> |
4fb0ef58 | 18 | #include <linux/inet.h> |
1ef8019b | 19 | #include <net/bonding.h> |
72be35fe | 20 | |
f3253339 | 21 | static int bond_option_active_slave_set(struct bonding *bond, |
28f084cc | 22 | const struct bond_opt_value *newval); |
f3253339 | 23 | static int bond_option_miimon_set(struct bonding *bond, |
28f084cc | 24 | const struct bond_opt_value *newval); |
f3253339 | 25 | static int bond_option_updelay_set(struct bonding *bond, |
28f084cc | 26 | const struct bond_opt_value *newval); |
f3253339 | 27 | static int bond_option_downdelay_set(struct bonding *bond, |
28f084cc | 28 | const struct bond_opt_value *newval); |
f3253339 | 29 | static int bond_option_use_carrier_set(struct bonding *bond, |
28f084cc | 30 | const struct bond_opt_value *newval); |
f3253339 | 31 | static int bond_option_arp_interval_set(struct bonding *bond, |
28f084cc | 32 | const struct bond_opt_value *newval); |
f3253339 | 33 | static int bond_option_arp_ip_target_add(struct bonding *bond, __be32 target); |
34 | static int bond_option_arp_ip_target_rem(struct bonding *bond, __be32 target); | |
35 | static int bond_option_arp_ip_targets_set(struct bonding *bond, | |
28f084cc | 36 | const struct bond_opt_value *newval); |
f3253339 | 37 | static int bond_option_arp_validate_set(struct bonding *bond, |
28f084cc | 38 | const struct bond_opt_value *newval); |
f3253339 | 39 | static int bond_option_arp_all_targets_set(struct bonding *bond, |
28f084cc | 40 | const struct bond_opt_value *newval); |
f3253339 | 41 | static int bond_option_primary_set(struct bonding *bond, |
28f084cc | 42 | const struct bond_opt_value *newval); |
f3253339 | 43 | static int bond_option_primary_reselect_set(struct bonding *bond, |
28f084cc | 44 | const struct bond_opt_value *newval); |
f3253339 | 45 | static int bond_option_fail_over_mac_set(struct bonding *bond, |
28f084cc | 46 | const struct bond_opt_value *newval); |
f3253339 | 47 | static int bond_option_xmit_hash_policy_set(struct bonding *bond, |
28f084cc | 48 | const struct bond_opt_value *newval); |
f3253339 | 49 | static int bond_option_resend_igmp_set(struct bonding *bond, |
28f084cc | 50 | const struct bond_opt_value *newval); |
f3253339 | 51 | static int bond_option_num_peer_notif_set(struct bonding *bond, |
28f084cc | 52 | const struct bond_opt_value *newval); |
f3253339 | 53 | static int bond_option_all_slaves_active_set(struct bonding *bond, |
28f084cc | 54 | const struct bond_opt_value *newval); |
f3253339 | 55 | static int bond_option_min_links_set(struct bonding *bond, |
28f084cc | 56 | const struct bond_opt_value *newval); |
f3253339 | 57 | static int bond_option_lp_interval_set(struct bonding *bond, |
28f084cc | 58 | const struct bond_opt_value *newval); |
f3253339 | 59 | static int bond_option_pps_set(struct bonding *bond, |
28f084cc | 60 | const struct bond_opt_value *newval); |
f3253339 | 61 | static int bond_option_lacp_rate_set(struct bonding *bond, |
28f084cc | 62 | const struct bond_opt_value *newval); |
f3253339 | 63 | static int bond_option_ad_select_set(struct bonding *bond, |
28f084cc | 64 | const struct bond_opt_value *newval); |
f3253339 | 65 | static int bond_option_queue_id_set(struct bonding *bond, |
28f084cc | 66 | const struct bond_opt_value *newval); |
f3253339 | 67 | static int bond_option_mode_set(struct bonding *bond, |
28f084cc | 68 | const struct bond_opt_value *newval); |
f3253339 | 69 | static int bond_option_slaves_set(struct bonding *bond, |
28f084cc | 70 | const struct bond_opt_value *newval); |
e9f0fb88 MB |
71 | static int bond_option_tlb_dynamic_lb_set(struct bonding *bond, |
72 | const struct bond_opt_value *newval); | |
6791e466 MB |
73 | static int bond_option_ad_actor_sys_prio_set(struct bonding *bond, |
74 | const struct bond_opt_value *newval); | |
74514957 MB |
75 | static int bond_option_ad_actor_system_set(struct bonding *bond, |
76 | const struct bond_opt_value *newval); | |
d22a5fc0 MB |
77 | static int bond_option_ad_user_port_key_set(struct bonding *bond, |
78 | const struct bond_opt_value *newval); | |
f3253339 | 79 | |
80 | ||
81 | static const struct bond_opt_value bond_mode_tbl[] = { | |
2b3798d5 NA |
82 | { "balance-rr", BOND_MODE_ROUNDROBIN, BOND_VALFLAG_DEFAULT}, |
83 | { "active-backup", BOND_MODE_ACTIVEBACKUP, 0}, | |
84 | { "balance-xor", BOND_MODE_XOR, 0}, | |
85 | { "broadcast", BOND_MODE_BROADCAST, 0}, | |
86 | { "802.3ad", BOND_MODE_8023AD, 0}, | |
87 | { "balance-tlb", BOND_MODE_TLB, 0}, | |
88 | { "balance-alb", BOND_MODE_ALB, 0}, | |
89 | { NULL, -1, 0}, | |
90 | }; | |
91 | ||
f3253339 | 92 | static const struct bond_opt_value bond_pps_tbl[] = { |
aa59d851 NA |
93 | { "default", 1, BOND_VALFLAG_DEFAULT}, |
94 | { "maxval", USHRT_MAX, BOND_VALFLAG_MAX}, | |
95 | { NULL, -1, 0}, | |
96 | }; | |
97 | ||
f3253339 | 98 | static const struct bond_opt_value bond_xmit_hashtype_tbl[] = { |
a4b32ce7 NA |
99 | { "layer2", BOND_XMIT_POLICY_LAYER2, BOND_VALFLAG_DEFAULT}, |
100 | { "layer3+4", BOND_XMIT_POLICY_LAYER34, 0}, | |
101 | { "layer2+3", BOND_XMIT_POLICY_LAYER23, 0}, | |
102 | { "encap2+3", BOND_XMIT_POLICY_ENCAP23, 0}, | |
103 | { "encap3+4", BOND_XMIT_POLICY_ENCAP34, 0}, | |
104 | { NULL, -1, 0}, | |
105 | }; | |
106 | ||
f3253339 | 107 | static const struct bond_opt_value bond_arp_validate_tbl[] = { |
896149ff VF |
108 | { "none", BOND_ARP_VALIDATE_NONE, BOND_VALFLAG_DEFAULT}, |
109 | { "active", BOND_ARP_VALIDATE_ACTIVE, 0}, | |
110 | { "backup", BOND_ARP_VALIDATE_BACKUP, 0}, | |
111 | { "all", BOND_ARP_VALIDATE_ALL, 0}, | |
112 | { "filter", BOND_ARP_FILTER, 0}, | |
113 | { "filter_active", BOND_ARP_FILTER_ACTIVE, 0}, | |
114 | { "filter_backup", BOND_ARP_FILTER_BACKUP, 0}, | |
115 | { NULL, -1, 0}, | |
16228881 NA |
116 | }; |
117 | ||
f3253339 | 118 | static const struct bond_opt_value bond_arp_all_targets_tbl[] = { |
edf36b24 NA |
119 | { "any", BOND_ARP_TARGETS_ANY, BOND_VALFLAG_DEFAULT}, |
120 | { "all", BOND_ARP_TARGETS_ALL, 0}, | |
121 | { NULL, -1, 0}, | |
122 | }; | |
123 | ||
f3253339 | 124 | static const struct bond_opt_value bond_fail_over_mac_tbl[] = { |
1df6b6aa NA |
125 | { "none", BOND_FOM_NONE, BOND_VALFLAG_DEFAULT}, |
126 | { "active", BOND_FOM_ACTIVE, 0}, | |
127 | { "follow", BOND_FOM_FOLLOW, 0}, | |
128 | { NULL, -1, 0}, | |
129 | }; | |
130 | ||
f3253339 | 131 | static const struct bond_opt_value bond_intmax_tbl[] = { |
7bdb04ed NA |
132 | { "off", 0, BOND_VALFLAG_DEFAULT}, |
133 | { "maxval", INT_MAX, BOND_VALFLAG_MAX}, | |
81c70806 | 134 | { NULL, -1, 0} |
7bdb04ed NA |
135 | }; |
136 | ||
f3253339 | 137 | static const struct bond_opt_value bond_lacp_rate_tbl[] = { |
d3131de7 NA |
138 | { "slow", AD_LACP_SLOW, 0}, |
139 | { "fast", AD_LACP_FAST, 0}, | |
140 | { NULL, -1, 0}, | |
141 | }; | |
142 | ||
f3253339 | 143 | static const struct bond_opt_value bond_ad_select_tbl[] = { |
9e5f5eeb NA |
144 | { "stable", BOND_AD_STABLE, BOND_VALFLAG_DEFAULT}, |
145 | { "bandwidth", BOND_AD_BANDWIDTH, 0}, | |
146 | { "count", BOND_AD_COUNT, 0}, | |
147 | { NULL, -1, 0}, | |
148 | }; | |
149 | ||
f3253339 | 150 | static const struct bond_opt_value bond_num_peer_notif_tbl[] = { |
ef56becb NA |
151 | { "off", 0, 0}, |
152 | { "maxval", 255, BOND_VALFLAG_MAX}, | |
153 | { "default", 1, BOND_VALFLAG_DEFAULT}, | |
154 | { NULL, -1, 0} | |
155 | }; | |
156 | ||
f3253339 | 157 | static const struct bond_opt_value bond_primary_reselect_tbl[] = { |
388d3a6d NA |
158 | { "always", BOND_PRI_RESELECT_ALWAYS, BOND_VALFLAG_DEFAULT}, |
159 | { "better", BOND_PRI_RESELECT_BETTER, 0}, | |
160 | { "failure", BOND_PRI_RESELECT_FAILURE, 0}, | |
161 | { NULL, -1}, | |
162 | }; | |
163 | ||
f3253339 | 164 | static const struct bond_opt_value bond_use_carrier_tbl[] = { |
0fff0608 NA |
165 | { "off", 0, 0}, |
166 | { "on", 1, BOND_VALFLAG_DEFAULT}, | |
167 | { NULL, -1, 0} | |
168 | }; | |
169 | ||
f3253339 | 170 | static const struct bond_opt_value bond_all_slaves_active_tbl[] = { |
3df01162 NA |
171 | { "off", 0, BOND_VALFLAG_DEFAULT}, |
172 | { "on", 1, 0}, | |
173 | { NULL, -1, 0} | |
174 | }; | |
175 | ||
f3253339 | 176 | static const struct bond_opt_value bond_resend_igmp_tbl[] = { |
105c8fb6 NA |
177 | { "off", 0, 0}, |
178 | { "maxval", 255, BOND_VALFLAG_MAX}, | |
179 | { "default", 1, BOND_VALFLAG_DEFAULT}, | |
180 | { NULL, -1, 0} | |
181 | }; | |
182 | ||
f3253339 | 183 | static const struct bond_opt_value bond_lp_interval_tbl[] = { |
4325b374 NA |
184 | { "minval", 1, BOND_VALFLAG_MIN | BOND_VALFLAG_DEFAULT}, |
185 | { "maxval", INT_MAX, BOND_VALFLAG_MAX}, | |
5bd4e4c1 | 186 | { NULL, -1, 0}, |
4325b374 NA |
187 | }; |
188 | ||
e9f0fb88 MB |
189 | static const struct bond_opt_value bond_tlb_dynamic_lb_tbl[] = { |
190 | { "off", 0, 0}, | |
191 | { "on", 1, BOND_VALFLAG_DEFAULT}, | |
192 | { NULL, -1, 0} | |
193 | }; | |
194 | ||
6791e466 MB |
195 | static const struct bond_opt_value bond_ad_actor_sys_prio_tbl[] = { |
196 | { "minval", 1, BOND_VALFLAG_MIN}, | |
197 | { "maxval", 65535, BOND_VALFLAG_MAX | BOND_VALFLAG_DEFAULT}, | |
198 | { NULL, -1, 0}, | |
199 | }; | |
200 | ||
d22a5fc0 MB |
201 | static const struct bond_opt_value bond_ad_user_port_key_tbl[] = { |
202 | { "minval", 0, BOND_VALFLAG_MIN | BOND_VALFLAG_DEFAULT}, | |
203 | { "maxval", 1023, BOND_VALFLAG_MAX}, | |
204 | { NULL, -1, 0}, | |
205 | }; | |
206 | ||
7bfa0145 | 207 | static const struct bond_option bond_opts[BOND_OPT_LAST] = { |
2b3798d5 NA |
208 | [BOND_OPT_MODE] = { |
209 | .id = BOND_OPT_MODE, | |
210 | .name = "mode", | |
211 | .desc = "bond device mode", | |
212 | .flags = BOND_OPTFLAG_NOSLAVES | BOND_OPTFLAG_IFDOWN, | |
213 | .values = bond_mode_tbl, | |
214 | .set = bond_option_mode_set | |
215 | }, | |
aa59d851 NA |
216 | [BOND_OPT_PACKETS_PER_SLAVE] = { |
217 | .id = BOND_OPT_PACKETS_PER_SLAVE, | |
218 | .name = "packets_per_slave", | |
219 | .desc = "Packets to send per slave in RR mode", | |
220 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_ROUNDROBIN)), | |
221 | .values = bond_pps_tbl, | |
222 | .set = bond_option_pps_set | |
223 | }, | |
a4b32ce7 NA |
224 | [BOND_OPT_XMIT_HASH] = { |
225 | .id = BOND_OPT_XMIT_HASH, | |
226 | .name = "xmit_hash_policy", | |
f05b42ea | 227 | .desc = "balance-xor, 802.3ad, and tlb hashing method", |
a4b32ce7 NA |
228 | .values = bond_xmit_hashtype_tbl, |
229 | .set = bond_option_xmit_hash_policy_set | |
230 | }, | |
16228881 NA |
231 | [BOND_OPT_ARP_VALIDATE] = { |
232 | .id = BOND_OPT_ARP_VALIDATE, | |
233 | .name = "arp_validate", | |
234 | .desc = "validate src/dst of ARP probes", | |
13ac34a8 VF |
235 | .unsuppmodes = BIT(BOND_MODE_8023AD) | BIT(BOND_MODE_TLB) | |
236 | BIT(BOND_MODE_ALB), | |
16228881 NA |
237 | .values = bond_arp_validate_tbl, |
238 | .set = bond_option_arp_validate_set | |
239 | }, | |
edf36b24 NA |
240 | [BOND_OPT_ARP_ALL_TARGETS] = { |
241 | .id = BOND_OPT_ARP_ALL_TARGETS, | |
242 | .name = "arp_all_targets", | |
243 | .desc = "fail on any/all arp targets timeout", | |
244 | .values = bond_arp_all_targets_tbl, | |
245 | .set = bond_option_arp_all_targets_set | |
246 | }, | |
1df6b6aa NA |
247 | [BOND_OPT_FAIL_OVER_MAC] = { |
248 | .id = BOND_OPT_FAIL_OVER_MAC, | |
249 | .name = "fail_over_mac", | |
250 | .desc = "For active-backup, do not set all slaves to the same MAC", | |
251 | .flags = BOND_OPTFLAG_NOSLAVES, | |
252 | .values = bond_fail_over_mac_tbl, | |
253 | .set = bond_option_fail_over_mac_set | |
254 | }, | |
7bdb04ed NA |
255 | [BOND_OPT_ARP_INTERVAL] = { |
256 | .id = BOND_OPT_ARP_INTERVAL, | |
257 | .name = "arp_interval", | |
258 | .desc = "arp interval in milliseconds", | |
259 | .unsuppmodes = BIT(BOND_MODE_8023AD) | BIT(BOND_MODE_TLB) | | |
260 | BIT(BOND_MODE_ALB), | |
261 | .values = bond_intmax_tbl, | |
262 | .set = bond_option_arp_interval_set | |
263 | }, | |
4fb0ef58 NA |
264 | [BOND_OPT_ARP_TARGETS] = { |
265 | .id = BOND_OPT_ARP_TARGETS, | |
266 | .name = "arp_ip_target", | |
267 | .desc = "arp targets in n.n.n.n form", | |
268 | .flags = BOND_OPTFLAG_RAWVAL, | |
269 | .set = bond_option_arp_ip_targets_set | |
270 | }, | |
25a9b54a NA |
271 | [BOND_OPT_DOWNDELAY] = { |
272 | .id = BOND_OPT_DOWNDELAY, | |
273 | .name = "downdelay", | |
274 | .desc = "Delay before considering link down, in milliseconds", | |
275 | .values = bond_intmax_tbl, | |
276 | .set = bond_option_downdelay_set | |
277 | }, | |
e4994612 NA |
278 | [BOND_OPT_UPDELAY] = { |
279 | .id = BOND_OPT_UPDELAY, | |
280 | .name = "updelay", | |
281 | .desc = "Delay before considering link up, in milliseconds", | |
282 | .values = bond_intmax_tbl, | |
283 | .set = bond_option_updelay_set | |
284 | }, | |
d3131de7 NA |
285 | [BOND_OPT_LACP_RATE] = { |
286 | .id = BOND_OPT_LACP_RATE, | |
287 | .name = "lacp_rate", | |
288 | .desc = "LACPDU tx rate to request from 802.3ad partner", | |
289 | .flags = BOND_OPTFLAG_IFDOWN, | |
290 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)), | |
291 | .values = bond_lacp_rate_tbl, | |
292 | .set = bond_option_lacp_rate_set | |
293 | }, | |
633ddc9e NA |
294 | [BOND_OPT_MINLINKS] = { |
295 | .id = BOND_OPT_MINLINKS, | |
296 | .name = "min_links", | |
297 | .desc = "Minimum number of available links before turning on carrier", | |
298 | .values = bond_intmax_tbl, | |
299 | .set = bond_option_min_links_set | |
300 | }, | |
9e5f5eeb NA |
301 | [BOND_OPT_AD_SELECT] = { |
302 | .id = BOND_OPT_AD_SELECT, | |
303 | .name = "ad_select", | |
304 | .desc = "803.ad aggregation selection logic", | |
305 | .flags = BOND_OPTFLAG_IFDOWN, | |
306 | .values = bond_ad_select_tbl, | |
307 | .set = bond_option_ad_select_set | |
308 | }, | |
ef56becb NA |
309 | [BOND_OPT_NUM_PEER_NOTIF] = { |
310 | .id = BOND_OPT_NUM_PEER_NOTIF, | |
311 | .name = "num_unsol_na", | |
312 | .desc = "Number of peer notifications to send on failover event", | |
313 | .values = bond_num_peer_notif_tbl, | |
314 | .set = bond_option_num_peer_notif_set | |
315 | }, | |
b98d9c66 NA |
316 | [BOND_OPT_MIIMON] = { |
317 | .id = BOND_OPT_MIIMON, | |
318 | .name = "miimon", | |
319 | .desc = "Link check interval in milliseconds", | |
320 | .values = bond_intmax_tbl, | |
321 | .set = bond_option_miimon_set | |
322 | }, | |
180222f0 NA |
323 | [BOND_OPT_PRIMARY] = { |
324 | .id = BOND_OPT_PRIMARY, | |
325 | .name = "primary", | |
326 | .desc = "Primary network device to use", | |
327 | .flags = BOND_OPTFLAG_RAWVAL, | |
328 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_ACTIVEBACKUP) | | |
329 | BIT(BOND_MODE_TLB) | | |
330 | BIT(BOND_MODE_ALB)), | |
331 | .set = bond_option_primary_set | |
332 | }, | |
388d3a6d NA |
333 | [BOND_OPT_PRIMARY_RESELECT] = { |
334 | .id = BOND_OPT_PRIMARY_RESELECT, | |
335 | .name = "primary_reselect", | |
336 | .desc = "Reselect primary slave once it comes up", | |
337 | .values = bond_primary_reselect_tbl, | |
338 | .set = bond_option_primary_reselect_set | |
339 | }, | |
0fff0608 NA |
340 | [BOND_OPT_USE_CARRIER] = { |
341 | .id = BOND_OPT_USE_CARRIER, | |
342 | .name = "use_carrier", | |
343 | .desc = "Use netif_carrier_ok (vs MII ioctls) in miimon", | |
344 | .values = bond_use_carrier_tbl, | |
345 | .set = bond_option_use_carrier_set | |
346 | }, | |
d1fbd3ed NA |
347 | [BOND_OPT_ACTIVE_SLAVE] = { |
348 | .id = BOND_OPT_ACTIVE_SLAVE, | |
349 | .name = "active_slave", | |
350 | .desc = "Currently active slave", | |
351 | .flags = BOND_OPTFLAG_RAWVAL, | |
352 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_ACTIVEBACKUP) | | |
353 | BIT(BOND_MODE_TLB) | | |
354 | BIT(BOND_MODE_ALB)), | |
355 | .set = bond_option_active_slave_set | |
356 | }, | |
24089ba1 NA |
357 | [BOND_OPT_QUEUE_ID] = { |
358 | .id = BOND_OPT_QUEUE_ID, | |
359 | .name = "queue_id", | |
360 | .desc = "Set queue id of a slave", | |
361 | .flags = BOND_OPTFLAG_RAWVAL, | |
362 | .set = bond_option_queue_id_set | |
363 | }, | |
3df01162 NA |
364 | [BOND_OPT_ALL_SLAVES_ACTIVE] = { |
365 | .id = BOND_OPT_ALL_SLAVES_ACTIVE, | |
366 | .name = "all_slaves_active", | |
367 | .desc = "Keep all frames received on an interface by setting active flag for all slaves", | |
368 | .values = bond_all_slaves_active_tbl, | |
369 | .set = bond_option_all_slaves_active_set | |
370 | }, | |
105c8fb6 NA |
371 | [BOND_OPT_RESEND_IGMP] = { |
372 | .id = BOND_OPT_RESEND_IGMP, | |
373 | .name = "resend_igmp", | |
374 | .desc = "Number of IGMP membership reports to send on link failure", | |
375 | .values = bond_resend_igmp_tbl, | |
376 | .set = bond_option_resend_igmp_set | |
377 | }, | |
4325b374 NA |
378 | [BOND_OPT_LP_INTERVAL] = { |
379 | .id = BOND_OPT_LP_INTERVAL, | |
380 | .name = "lp_interval", | |
381 | .desc = "The number of seconds between instances where the bonding driver sends learning packets to each slave's peer switch", | |
382 | .values = bond_lp_interval_tbl, | |
383 | .set = bond_option_lp_interval_set | |
384 | }, | |
0e2e5b66 NA |
385 | [BOND_OPT_SLAVES] = { |
386 | .id = BOND_OPT_SLAVES, | |
387 | .name = "slaves", | |
388 | .desc = "Slave membership management", | |
389 | .flags = BOND_OPTFLAG_RAWVAL, | |
390 | .set = bond_option_slaves_set | |
391 | }, | |
e9f0fb88 MB |
392 | [BOND_OPT_TLB_DYNAMIC_LB] = { |
393 | .id = BOND_OPT_TLB_DYNAMIC_LB, | |
dc3e5d18 | 394 | .name = "tlb_dynamic_lb", |
e9f0fb88 MB |
395 | .desc = "Enable dynamic flow shuffling", |
396 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_TLB)), | |
397 | .values = bond_tlb_dynamic_lb_tbl, | |
398 | .flags = BOND_OPTFLAG_IFDOWN, | |
399 | .set = bond_option_tlb_dynamic_lb_set, | |
6791e466 MB |
400 | }, |
401 | [BOND_OPT_AD_ACTOR_SYS_PRIO] = { | |
402 | .id = BOND_OPT_AD_ACTOR_SYS_PRIO, | |
403 | .name = "ad_actor_sys_prio", | |
404 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)), | |
6791e466 MB |
405 | .values = bond_ad_actor_sys_prio_tbl, |
406 | .set = bond_option_ad_actor_sys_prio_set, | |
407 | }, | |
74514957 MB |
408 | [BOND_OPT_AD_ACTOR_SYSTEM] = { |
409 | .id = BOND_OPT_AD_ACTOR_SYSTEM, | |
410 | .name = "ad_actor_system", | |
411 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)), | |
7f20cd25 | 412 | .flags = BOND_OPTFLAG_RAWVAL, |
74514957 MB |
413 | .set = bond_option_ad_actor_system_set, |
414 | }, | |
d22a5fc0 MB |
415 | [BOND_OPT_AD_USER_PORT_KEY] = { |
416 | .id = BOND_OPT_AD_USER_PORT_KEY, | |
417 | .name = "ad_user_port_key", | |
418 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)), | |
419 | .flags = BOND_OPTFLAG_IFDOWN, | |
420 | .values = bond_ad_user_port_key_tbl, | |
421 | .set = bond_option_ad_user_port_key_set, | |
205845a3 NA |
422 | }, |
423 | [BOND_OPT_NUM_PEER_NOTIF_ALIAS] = { | |
424 | .id = BOND_OPT_NUM_PEER_NOTIF_ALIAS, | |
425 | .name = "num_grat_arp", | |
426 | .desc = "Number of peer notifications to send on failover event", | |
427 | .values = bond_num_peer_notif_tbl, | |
428 | .set = bond_option_num_peer_notif_set | |
d22a5fc0 | 429 | } |
09117362 NA |
430 | }; |
431 | ||
dc3e5d18 NA |
432 | /* Searches for an option by name */ |
433 | const struct bond_option *bond_opt_get_by_name(const char *name) | |
434 | { | |
435 | const struct bond_option *opt; | |
436 | int option; | |
437 | ||
438 | for (option = 0; option < BOND_OPT_LAST; option++) { | |
439 | opt = bond_opt_get(option); | |
440 | if (opt && !strcmp(opt->name, name)) | |
441 | return opt; | |
442 | } | |
443 | ||
444 | return NULL; | |
445 | } | |
446 | ||
09117362 | 447 | /* Searches for a value in opt's values[] table */ |
f3253339 | 448 | const struct bond_opt_value *bond_opt_get_val(unsigned int option, u64 val) |
09117362 | 449 | { |
f3253339 | 450 | const struct bond_option *opt; |
09117362 NA |
451 | int i; |
452 | ||
453 | opt = bond_opt_get(option); | |
454 | if (WARN_ON(!opt)) | |
455 | return NULL; | |
456 | for (i = 0; opt->values && opt->values[i].string; i++) | |
457 | if (opt->values[i].value == val) | |
458 | return &opt->values[i]; | |
459 | ||
460 | return NULL; | |
461 | } | |
462 | ||
463 | /* Searches for a value in opt's values[] table which matches the flagmask */ | |
f3253339 | 464 | static const struct bond_opt_value *bond_opt_get_flags(const struct bond_option *opt, |
09117362 NA |
465 | u32 flagmask) |
466 | { | |
467 | int i; | |
468 | ||
469 | for (i = 0; opt->values && opt->values[i].string; i++) | |
470 | if (opt->values[i].flags & flagmask) | |
471 | return &opt->values[i]; | |
472 | ||
473 | return NULL; | |
474 | } | |
475 | ||
476 | /* If maxval is missing then there's no range to check. In case minval is | |
477 | * missing then it's considered to be 0. | |
478 | */ | |
479 | static bool bond_opt_check_range(const struct bond_option *opt, u64 val) | |
480 | { | |
f3253339 | 481 | const struct bond_opt_value *minval, *maxval; |
09117362 NA |
482 | |
483 | minval = bond_opt_get_flags(opt, BOND_VALFLAG_MIN); | |
484 | maxval = bond_opt_get_flags(opt, BOND_VALFLAG_MAX); | |
485 | if (!maxval || (minval && val < minval->value) || val > maxval->value) | |
486 | return false; | |
487 | ||
488 | return true; | |
489 | } | |
490 | ||
491 | /** | |
492 | * bond_opt_parse - parse option value | |
493 | * @opt: the option to parse against | |
494 | * @val: value to parse | |
495 | * | |
496 | * This function tries to extract the value from @val and check if it's | |
497 | * a possible match for the option and returns NULL if a match isn't found, | |
498 | * or the struct_opt_value that matched. It also strips the new line from | |
499 | * @val->string if it's present. | |
500 | */ | |
f3253339 | 501 | const struct bond_opt_value *bond_opt_parse(const struct bond_option *opt, |
502 | struct bond_opt_value *val) | |
09117362 NA |
503 | { |
504 | char *p, valstr[BOND_OPT_MAX_NAMELEN + 1] = { 0, }; | |
f3253339 | 505 | const struct bond_opt_value *tbl; |
506 | const struct bond_opt_value *ret = NULL; | |
09117362 NA |
507 | bool checkval; |
508 | int i, rv; | |
509 | ||
510 | /* No parsing if the option wants a raw val */ | |
511 | if (opt->flags & BOND_OPTFLAG_RAWVAL) | |
512 | return val; | |
513 | ||
514 | tbl = opt->values; | |
515 | if (!tbl) | |
516 | goto out; | |
517 | ||
518 | /* ULLONG_MAX is used to bypass string processing */ | |
519 | checkval = val->value != ULLONG_MAX; | |
520 | if (!checkval) { | |
521 | if (!val->string) | |
522 | goto out; | |
523 | p = strchr(val->string, '\n'); | |
524 | if (p) | |
525 | *p = '\0'; | |
526 | for (p = val->string; *p; p++) | |
527 | if (!(isdigit(*p) || isspace(*p))) | |
528 | break; | |
529 | /* The following code extracts the string to match or the value | |
530 | * and sets checkval appropriately | |
531 | */ | |
532 | if (*p) { | |
533 | rv = sscanf(val->string, "%32s", valstr); | |
534 | } else { | |
535 | rv = sscanf(val->string, "%llu", &val->value); | |
536 | checkval = true; | |
537 | } | |
538 | if (!rv) | |
539 | goto out; | |
540 | } | |
541 | ||
542 | for (i = 0; tbl[i].string; i++) { | |
543 | /* Check for exact match */ | |
544 | if (checkval) { | |
545 | if (val->value == tbl[i].value) | |
546 | ret = &tbl[i]; | |
547 | } else { | |
548 | if (!strcmp(valstr, "default") && | |
549 | (tbl[i].flags & BOND_VALFLAG_DEFAULT)) | |
550 | ret = &tbl[i]; | |
551 | ||
552 | if (!strcmp(valstr, tbl[i].string)) | |
553 | ret = &tbl[i]; | |
554 | } | |
555 | /* Found an exact match */ | |
556 | if (ret) | |
557 | goto out; | |
558 | } | |
559 | /* Possible range match */ | |
560 | if (checkval && bond_opt_check_range(opt, val->value)) | |
561 | ret = val; | |
562 | out: | |
563 | return ret; | |
564 | } | |
565 | ||
566 | /* Check opt's dependencies against bond mode and currently set options */ | |
567 | static int bond_opt_check_deps(struct bonding *bond, | |
568 | const struct bond_option *opt) | |
569 | { | |
570 | struct bond_params *params = &bond->params; | |
571 | ||
572 | if (test_bit(params->mode, &opt->unsuppmodes)) | |
573 | return -EACCES; | |
574 | if ((opt->flags & BOND_OPTFLAG_NOSLAVES) && bond_has_slaves(bond)) | |
575 | return -ENOTEMPTY; | |
576 | if ((opt->flags & BOND_OPTFLAG_IFDOWN) && (bond->dev->flags & IFF_UP)) | |
577 | return -EBUSY; | |
578 | ||
579 | return 0; | |
580 | } | |
581 | ||
582 | static void bond_opt_dep_print(struct bonding *bond, | |
583 | const struct bond_option *opt) | |
584 | { | |
28f084cc | 585 | const struct bond_opt_value *modeval; |
09117362 NA |
586 | struct bond_params *params; |
587 | ||
588 | params = &bond->params; | |
2b3798d5 | 589 | modeval = bond_opt_get_val(BOND_OPT_MODE, params->mode); |
09117362 | 590 | if (test_bit(params->mode, &opt->unsuppmodes)) |
2de390ba VF |
591 | netdev_err(bond->dev, "option %s: mode dependency failed, not supported in mode %s(%llu)\n", |
592 | opt->name, modeval->string, modeval->value); | |
09117362 NA |
593 | } |
594 | ||
595 | static void bond_opt_error_interpret(struct bonding *bond, | |
596 | const struct bond_option *opt, | |
28f084cc | 597 | int error, const struct bond_opt_value *val) |
09117362 | 598 | { |
28f084cc | 599 | const struct bond_opt_value *minval, *maxval; |
09117362 NA |
600 | char *p; |
601 | ||
602 | switch (error) { | |
603 | case -EINVAL: | |
604 | if (val) { | |
605 | if (val->string) { | |
606 | /* sometimes RAWVAL opts may have new lines */ | |
607 | p = strchr(val->string, '\n'); | |
608 | if (p) | |
609 | *p = '\0'; | |
2de390ba VF |
610 | netdev_err(bond->dev, "option %s: invalid value (%s)\n", |
611 | opt->name, val->string); | |
09117362 | 612 | } else { |
2de390ba VF |
613 | netdev_err(bond->dev, "option %s: invalid value (%llu)\n", |
614 | opt->name, val->value); | |
09117362 NA |
615 | } |
616 | } | |
617 | minval = bond_opt_get_flags(opt, BOND_VALFLAG_MIN); | |
618 | maxval = bond_opt_get_flags(opt, BOND_VALFLAG_MAX); | |
619 | if (!maxval) | |
620 | break; | |
2de390ba VF |
621 | netdev_err(bond->dev, "option %s: allowed values %llu - %llu\n", |
622 | opt->name, minval ? minval->value : 0, maxval->value); | |
09117362 NA |
623 | break; |
624 | case -EACCES: | |
625 | bond_opt_dep_print(bond, opt); | |
626 | break; | |
627 | case -ENOTEMPTY: | |
2de390ba VF |
628 | netdev_err(bond->dev, "option %s: unable to set because the bond device has slaves\n", |
629 | opt->name); | |
09117362 NA |
630 | break; |
631 | case -EBUSY: | |
2de390ba VF |
632 | netdev_err(bond->dev, "option %s: unable to set because the bond device is up\n", |
633 | opt->name); | |
09117362 NA |
634 | break; |
635 | default: | |
636 | break; | |
637 | } | |
638 | } | |
639 | ||
640 | /** | |
641 | * __bond_opt_set - set a bonding option | |
642 | * @bond: target bond device | |
643 | * @option: option to set | |
644 | * @val: value to set it to | |
645 | * | |
646 | * This function is used to change the bond's option value, it can be | |
647 | * used for both enabling/changing an option and for disabling it. RTNL lock | |
648 | * must be obtained before calling this function. | |
649 | */ | |
650 | int __bond_opt_set(struct bonding *bond, | |
651 | unsigned int option, struct bond_opt_value *val) | |
652 | { | |
28f084cc | 653 | const struct bond_opt_value *retval = NULL; |
09117362 NA |
654 | const struct bond_option *opt; |
655 | int ret = -ENOENT; | |
656 | ||
657 | ASSERT_RTNL(); | |
658 | ||
659 | opt = bond_opt_get(option); | |
660 | if (WARN_ON(!val) || WARN_ON(!opt)) | |
661 | goto out; | |
662 | ret = bond_opt_check_deps(bond, opt); | |
663 | if (ret) | |
664 | goto out; | |
665 | retval = bond_opt_parse(opt, val); | |
666 | if (!retval) { | |
667 | ret = -EINVAL; | |
668 | goto out; | |
669 | } | |
670 | ret = opt->set(bond, retval); | |
671 | out: | |
672 | if (ret) | |
673 | bond_opt_error_interpret(bond, opt, ret, val); | |
ed2a80ab | 674 | else if (bond->dev->reg_state == NETREG_REGISTERED) |
d4261e56 | 675 | call_netdevice_notifiers(NETDEV_CHANGEINFODATA, bond->dev); |
09117362 NA |
676 | |
677 | return ret; | |
678 | } | |
679 | ||
680 | /** | |
681 | * bond_opt_tryset_rtnl - try to acquire rtnl and call __bond_opt_set | |
682 | * @bond: target bond device | |
683 | * @option: option to set | |
684 | * @buf: value to set it to | |
685 | * | |
686 | * This function tries to acquire RTNL without blocking and if successful | |
687 | * calls __bond_opt_set. It is mainly used for sysfs option manipulation. | |
688 | */ | |
689 | int bond_opt_tryset_rtnl(struct bonding *bond, unsigned int option, char *buf) | |
690 | { | |
691 | struct bond_opt_value optval; | |
692 | int ret; | |
693 | ||
694 | if (!rtnl_trylock()) | |
695 | return restart_syscall(); | |
696 | bond_opt_initstr(&optval, buf); | |
697 | ret = __bond_opt_set(bond, option, &optval); | |
698 | rtnl_unlock(); | |
699 | ||
700 | return ret; | |
701 | } | |
702 | ||
703 | /** | |
704 | * bond_opt_get - get a pointer to an option | |
705 | * @option: option for which to return a pointer | |
706 | * | |
707 | * This function checks if option is valid and if so returns a pointer | |
708 | * to its entry in the bond_opts[] option array. | |
709 | */ | |
f3253339 | 710 | const struct bond_option *bond_opt_get(unsigned int option) |
09117362 NA |
711 | { |
712 | if (!BOND_OPT_VALID(option)) | |
713 | return NULL; | |
714 | ||
715 | return &bond_opts[option]; | |
716 | } | |
717 | ||
ff11d8b2 NA |
718 | static int bond_option_mode_set(struct bonding *bond, |
719 | const struct bond_opt_value *newval) | |
72be35fe | 720 | { |
267bed77 | 721 | if (!bond_mode_uses_arp(newval->value) && bond->params.arp_interval) { |
2de390ba VF |
722 | netdev_info(bond->dev, "%s mode is incompatible with arp monitoring, start mii monitoring\n", |
723 | newval->string); | |
fe9d04af | 724 | /* disable arp monitoring */ |
725 | bond->params.arp_interval = 0; | |
726 | /* set miimon to default value */ | |
727 | bond->params.miimon = BOND_DEFAULT_MIIMON; | |
2de390ba VF |
728 | netdev_info(bond->dev, "Setting MII monitoring interval to %d\n", |
729 | bond->params.miimon); | |
72be35fe JP |
730 | } |
731 | ||
732 | /* don't cache arp_validate between modes */ | |
733 | bond->params.arp_validate = BOND_ARP_VALIDATE_NONE; | |
2b3798d5 NA |
734 | bond->params.mode = newval->value; |
735 | ||
72be35fe JP |
736 | return 0; |
737 | } | |
d9e32b21 | 738 | |
f3253339 | 739 | static int bond_option_active_slave_set(struct bonding *bond, |
28f084cc | 740 | const struct bond_opt_value *newval) |
d9e32b21 | 741 | { |
d1fbd3ed NA |
742 | char ifname[IFNAMSIZ] = { 0, }; |
743 | struct net_device *slave_dev; | |
d9e32b21 JP |
744 | int ret = 0; |
745 | ||
d1fbd3ed NA |
746 | sscanf(newval->string, "%15s", ifname); /* IFNAMSIZ */ |
747 | if (!strlen(ifname) || newval->string[0] == '\n') { | |
748 | slave_dev = NULL; | |
749 | } else { | |
750 | slave_dev = __dev_get_by_name(dev_net(bond->dev), ifname); | |
751 | if (!slave_dev) | |
752 | return -ENODEV; | |
753 | } | |
754 | ||
d9e32b21 JP |
755 | if (slave_dev) { |
756 | if (!netif_is_bond_slave(slave_dev)) { | |
2de390ba VF |
757 | netdev_err(bond->dev, "Device %s is not bonding slave\n", |
758 | slave_dev->name); | |
d9e32b21 JP |
759 | return -EINVAL; |
760 | } | |
761 | ||
762 | if (bond->dev != netdev_master_upper_dev_get(slave_dev)) { | |
2de390ba VF |
763 | netdev_err(bond->dev, "Device %s is not our slave\n", |
764 | slave_dev->name); | |
d9e32b21 JP |
765 | return -EINVAL; |
766 | } | |
767 | } | |
768 | ||
d9e32b21 | 769 | block_netpoll_tx(); |
d9e32b21 JP |
770 | /* check to see if we are clearing active */ |
771 | if (!slave_dev) { | |
2de390ba | 772 | netdev_info(bond->dev, "Clearing current active slave\n"); |
8800a244 | 773 | RCU_INIT_POINTER(bond->curr_active_slave, NULL); |
d9e32b21 JP |
774 | bond_select_active_slave(bond); |
775 | } else { | |
1c72cfdc | 776 | struct slave *old_active = rtnl_dereference(bond->curr_active_slave); |
d9e32b21 JP |
777 | struct slave *new_active = bond_slave_get_rtnl(slave_dev); |
778 | ||
779 | BUG_ON(!new_active); | |
780 | ||
781 | if (new_active == old_active) { | |
782 | /* do nothing */ | |
2de390ba VF |
783 | netdev_info(bond->dev, "%s is already the current active slave\n", |
784 | new_active->dev->name); | |
d9e32b21 JP |
785 | } else { |
786 | if (old_active && (new_active->link == BOND_LINK_UP) && | |
b6adc610 | 787 | bond_slave_is_up(new_active)) { |
2de390ba VF |
788 | netdev_info(bond->dev, "Setting %s as active slave\n", |
789 | new_active->dev->name); | |
d9e32b21 JP |
790 | bond_change_active_slave(bond, new_active); |
791 | } else { | |
2de390ba VF |
792 | netdev_err(bond->dev, "Could not set %s as active slave; either %s is down or the link is down\n", |
793 | new_active->dev->name, | |
794 | new_active->dev->name); | |
d9e32b21 JP |
795 | ret = -EINVAL; |
796 | } | |
797 | } | |
798 | } | |
d9e32b21 | 799 | unblock_netpoll_tx(); |
d1fbd3ed | 800 | |
d9e32b21 JP |
801 | return ret; |
802 | } | |
eecdaa6e | 803 | |
dc3e5d18 NA |
804 | /* There are two tricky bits here. First, if MII monitoring is activated, then |
805 | * we must disable ARP monitoring. Second, if the timer isn't running, we must | |
806 | * start it. | |
807 | */ | |
f3253339 | 808 | static int bond_option_miimon_set(struct bonding *bond, |
28f084cc | 809 | const struct bond_opt_value *newval) |
eecdaa6e | 810 | { |
2de390ba VF |
811 | netdev_info(bond->dev, "Setting MII monitoring interval to %llu\n", |
812 | newval->value); | |
b98d9c66 | 813 | bond->params.miimon = newval->value; |
eecdaa6e | 814 | if (bond->params.updelay) |
2de390ba | 815 | netdev_info(bond->dev, "Note: Updating updelay (to %d) since it is a multiple of the miimon value\n", |
eecdaa6e | 816 | bond->params.updelay * bond->params.miimon); |
817 | if (bond->params.downdelay) | |
2de390ba VF |
818 | netdev_info(bond->dev, "Note: Updating downdelay (to %d) since it is a multiple of the miimon value\n", |
819 | bond->params.downdelay * bond->params.miimon); | |
b98d9c66 | 820 | if (newval->value && bond->params.arp_interval) { |
2de390ba | 821 | netdev_info(bond->dev, "MII monitoring cannot be used with ARP monitoring - disabling ARP monitoring...\n"); |
eecdaa6e | 822 | bond->params.arp_interval = 0; |
823 | if (bond->params.arp_validate) | |
824 | bond->params.arp_validate = BOND_ARP_VALIDATE_NONE; | |
825 | } | |
826 | if (bond->dev->flags & IFF_UP) { | |
827 | /* If the interface is up, we may need to fire off | |
828 | * the MII timer. If the interface is down, the | |
829 | * timer will get fired off when the open function | |
830 | * is called. | |
831 | */ | |
b98d9c66 | 832 | if (!newval->value) { |
eecdaa6e | 833 | cancel_delayed_work_sync(&bond->mii_work); |
834 | } else { | |
835 | cancel_delayed_work_sync(&bond->arp_work); | |
836 | queue_delayed_work(bond->wq, &bond->mii_work, 0); | |
837 | } | |
838 | } | |
b98d9c66 | 839 | |
eecdaa6e | 840 | return 0; |
841 | } | |
25852e29 | 842 | |
dc3e5d18 NA |
843 | /* Set up and down delays. These must be multiples of the |
844 | * MII monitoring value, and are stored internally as the multiplier. | |
845 | * Thus, we must translate to MS for the real world. | |
846 | */ | |
f3253339 | 847 | static int bond_option_updelay_set(struct bonding *bond, |
28f084cc | 848 | const struct bond_opt_value *newval) |
25852e29 | 849 | { |
0681a282 NA |
850 | int value = newval->value; |
851 | ||
e4994612 | 852 | if (!bond->params.miimon) { |
2de390ba | 853 | netdev_err(bond->dev, "Unable to set up delay as MII monitoring is disabled\n"); |
25852e29 | 854 | return -EPERM; |
855 | } | |
0681a282 | 856 | if ((value % bond->params.miimon) != 0) { |
2de390ba VF |
857 | netdev_warn(bond->dev, "up delay (%d) is not a multiple of miimon (%d), updelay rounded to %d ms\n", |
858 | value, bond->params.miimon, | |
859 | (value / bond->params.miimon) * | |
860 | bond->params.miimon); | |
25852e29 | 861 | } |
0681a282 | 862 | bond->params.updelay = value / bond->params.miimon; |
2de390ba VF |
863 | netdev_info(bond->dev, "Setting up delay to %d\n", |
864 | bond->params.updelay * bond->params.miimon); | |
25852e29 | 865 | |
866 | return 0; | |
867 | } | |
c7461f9b | 868 | |
f3253339 | 869 | static int bond_option_downdelay_set(struct bonding *bond, |
28f084cc | 870 | const struct bond_opt_value *newval) |
c7461f9b | 871 | { |
0681a282 NA |
872 | int value = newval->value; |
873 | ||
25a9b54a | 874 | if (!bond->params.miimon) { |
2de390ba | 875 | netdev_err(bond->dev, "Unable to set down delay as MII monitoring is disabled\n"); |
c7461f9b | 876 | return -EPERM; |
877 | } | |
0681a282 | 878 | if ((value % bond->params.miimon) != 0) { |
2de390ba VF |
879 | netdev_warn(bond->dev, "down delay (%d) is not a multiple of miimon (%d), delay rounded to %d ms\n", |
880 | value, bond->params.miimon, | |
881 | (value / bond->params.miimon) * | |
882 | bond->params.miimon); | |
c7461f9b | 883 | } |
0681a282 | 884 | bond->params.downdelay = value / bond->params.miimon; |
2de390ba VF |
885 | netdev_info(bond->dev, "Setting down delay to %d\n", |
886 | bond->params.downdelay * bond->params.miimon); | |
c7461f9b | 887 | |
888 | return 0; | |
889 | } | |
9f53e14e | 890 | |
f3253339 | 891 | static int bond_option_use_carrier_set(struct bonding *bond, |
28f084cc | 892 | const struct bond_opt_value *newval) |
9f53e14e | 893 | { |
2de390ba VF |
894 | netdev_info(bond->dev, "Setting use_carrier to %llu\n", |
895 | newval->value); | |
0fff0608 | 896 | bond->params.use_carrier = newval->value; |
9f53e14e | 897 | |
898 | return 0; | |
899 | } | |
06151dbc | 900 | |
dc3e5d18 NA |
901 | /* There are two tricky bits here. First, if ARP monitoring is activated, then |
902 | * we must disable MII monitoring. Second, if the ARP timer isn't running, | |
903 | * we must start it. | |
904 | */ | |
f3253339 | 905 | static int bond_option_arp_interval_set(struct bonding *bond, |
28f084cc | 906 | const struct bond_opt_value *newval) |
06151dbc | 907 | { |
2de390ba VF |
908 | netdev_info(bond->dev, "Setting ARP monitoring interval to %llu\n", |
909 | newval->value); | |
7bdb04ed NA |
910 | bond->params.arp_interval = newval->value; |
911 | if (newval->value) { | |
06151dbc | 912 | if (bond->params.miimon) { |
2de390ba | 913 | netdev_info(bond->dev, "ARP monitoring cannot be used with MII monitoring. Disabling MII monitoring\n"); |
06151dbc | 914 | bond->params.miimon = 0; |
915 | } | |
916 | if (!bond->params.arp_targets[0]) | |
2de390ba | 917 | netdev_info(bond->dev, "ARP monitoring has been set up, but no ARP targets have been specified\n"); |
06151dbc | 918 | } |
919 | if (bond->dev->flags & IFF_UP) { | |
920 | /* If the interface is up, we may need to fire off | |
921 | * the ARP timer. If the interface is down, the | |
922 | * timer will get fired off when the open function | |
923 | * is called. | |
924 | */ | |
7bdb04ed | 925 | if (!newval->value) { |
06151dbc | 926 | if (bond->params.arp_validate) |
927 | bond->recv_probe = NULL; | |
928 | cancel_delayed_work_sync(&bond->arp_work); | |
929 | } else { | |
930 | /* arp_validate can be set only in active-backup mode */ | |
3fe68df9 | 931 | bond->recv_probe = bond_arp_rcv; |
06151dbc | 932 | cancel_delayed_work_sync(&bond->mii_work); |
933 | queue_delayed_work(bond->wq, &bond->arp_work, 0); | |
934 | } | |
935 | } | |
936 | ||
937 | return 0; | |
938 | } | |
7f28fa10 | 939 | |
940 | static void _bond_options_arp_ip_target_set(struct bonding *bond, int slot, | |
941 | __be32 target, | |
942 | unsigned long last_rx) | |
943 | { | |
944 | __be32 *targets = bond->params.arp_targets; | |
945 | struct list_head *iter; | |
946 | struct slave *slave; | |
947 | ||
948 | if (slot >= 0 && slot < BOND_MAX_ARP_TARGETS) { | |
949 | bond_for_each_slave(bond, slave, iter) | |
950 | slave->target_last_arp_rx[slot] = last_rx; | |
951 | targets[slot] = target; | |
952 | } | |
953 | } | |
954 | ||
955 | static int _bond_option_arp_ip_target_add(struct bonding *bond, __be32 target) | |
956 | { | |
957 | __be32 *targets = bond->params.arp_targets; | |
958 | int ind; | |
959 | ||
2807a9fe | 960 | if (!bond_is_ip_target_ok(target)) { |
2de390ba VF |
961 | netdev_err(bond->dev, "invalid ARP target %pI4 specified for addition\n", |
962 | &target); | |
7f28fa10 | 963 | return -EINVAL; |
964 | } | |
965 | ||
966 | if (bond_get_targets_ip(targets, target) != -1) { /* dup */ | |
2de390ba VF |
967 | netdev_err(bond->dev, "ARP target %pI4 is already present\n", |
968 | &target); | |
7f28fa10 | 969 | return -EINVAL; |
970 | } | |
971 | ||
972 | ind = bond_get_targets_ip(targets, 0); /* first free slot */ | |
973 | if (ind == -1) { | |
2de390ba | 974 | netdev_err(bond->dev, "ARP target table is full!\n"); |
7f28fa10 | 975 | return -EINVAL; |
976 | } | |
977 | ||
2de390ba | 978 | netdev_info(bond->dev, "Adding ARP target %pI4\n", &target); |
7f28fa10 | 979 | |
980 | _bond_options_arp_ip_target_set(bond, ind, target, jiffies); | |
981 | ||
982 | return 0; | |
983 | } | |
984 | ||
f3253339 | 985 | static int bond_option_arp_ip_target_add(struct bonding *bond, __be32 target) |
7f28fa10 | 986 | { |
246df7b4 | 987 | return _bond_option_arp_ip_target_add(bond, target); |
7f28fa10 | 988 | } |
989 | ||
f3253339 | 990 | static int bond_option_arp_ip_target_rem(struct bonding *bond, __be32 target) |
7f28fa10 | 991 | { |
992 | __be32 *targets = bond->params.arp_targets; | |
993 | struct list_head *iter; | |
994 | struct slave *slave; | |
995 | unsigned long *targets_rx; | |
996 | int ind, i; | |
997 | ||
2807a9fe | 998 | if (!bond_is_ip_target_ok(target)) { |
2de390ba VF |
999 | netdev_err(bond->dev, "invalid ARP target %pI4 specified for removal\n", |
1000 | &target); | |
7f28fa10 | 1001 | return -EINVAL; |
1002 | } | |
1003 | ||
1004 | ind = bond_get_targets_ip(targets, target); | |
1005 | if (ind == -1) { | |
2de390ba VF |
1006 | netdev_err(bond->dev, "unable to remove nonexistent ARP target %pI4\n", |
1007 | &target); | |
7f28fa10 | 1008 | return -EINVAL; |
1009 | } | |
1010 | ||
1011 | if (ind == 0 && !targets[1] && bond->params.arp_interval) | |
2de390ba | 1012 | netdev_warn(bond->dev, "Removing last arp target with arp_interval on\n"); |
7f28fa10 | 1013 | |
2de390ba | 1014 | netdev_info(bond->dev, "Removing ARP target %pI4\n", &target); |
7f28fa10 | 1015 | |
7f28fa10 | 1016 | bond_for_each_slave(bond, slave, iter) { |
1017 | targets_rx = slave->target_last_arp_rx; | |
1018 | for (i = ind; (i < BOND_MAX_ARP_TARGETS-1) && targets[i+1]; i++) | |
1019 | targets_rx[i] = targets_rx[i+1]; | |
1020 | targets_rx[i] = 0; | |
1021 | } | |
1022 | for (i = ind; (i < BOND_MAX_ARP_TARGETS-1) && targets[i+1]; i++) | |
1023 | targets[i] = targets[i+1]; | |
1024 | targets[i] = 0; | |
1025 | ||
7f28fa10 | 1026 | return 0; |
1027 | } | |
1028 | ||
4fb0ef58 | 1029 | void bond_option_arp_ip_targets_clear(struct bonding *bond) |
7f28fa10 | 1030 | { |
4fb0ef58 | 1031 | int i; |
7f28fa10 | 1032 | |
7f28fa10 | 1033 | for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) |
1034 | _bond_options_arp_ip_target_set(bond, i, 0, 0); | |
4fb0ef58 | 1035 | } |
7f28fa10 | 1036 | |
f3253339 | 1037 | static int bond_option_arp_ip_targets_set(struct bonding *bond, |
28f084cc | 1038 | const struct bond_opt_value *newval) |
4fb0ef58 NA |
1039 | { |
1040 | int ret = -EPERM; | |
1041 | __be32 target; | |
1042 | ||
1043 | if (newval->string) { | |
1044 | if (!in4_pton(newval->string+1, -1, (u8 *)&target, -1, NULL)) { | |
2de390ba VF |
1045 | netdev_err(bond->dev, "invalid ARP target %pI4 specified\n", |
1046 | &target); | |
4fb0ef58 NA |
1047 | return ret; |
1048 | } | |
1049 | if (newval->string[0] == '+') | |
1050 | ret = bond_option_arp_ip_target_add(bond, target); | |
1051 | else if (newval->string[0] == '-') | |
1052 | ret = bond_option_arp_ip_target_rem(bond, target); | |
1053 | else | |
2de390ba | 1054 | netdev_err(bond->dev, "no command found in arp_ip_targets file - use +<addr> or -<addr>\n"); |
4fb0ef58 NA |
1055 | } else { |
1056 | target = newval->value; | |
1057 | ret = bond_option_arp_ip_target_add(bond, target); | |
7f28fa10 | 1058 | } |
1059 | ||
7f28fa10 | 1060 | return ret; |
1061 | } | |
29c49482 | 1062 | |
f3253339 | 1063 | static int bond_option_arp_validate_set(struct bonding *bond, |
28f084cc | 1064 | const struct bond_opt_value *newval) |
29c49482 | 1065 | { |
2de390ba VF |
1066 | netdev_info(bond->dev, "Setting arp_validate to %s (%llu)\n", |
1067 | newval->string, newval->value); | |
29c49482 | 1068 | |
1069 | if (bond->dev->flags & IFF_UP) { | |
16228881 | 1070 | if (!newval->value) |
29c49482 | 1071 | bond->recv_probe = NULL; |
1072 | else if (bond->params.arp_interval) | |
1073 | bond->recv_probe = bond_arp_rcv; | |
1074 | } | |
16228881 | 1075 | bond->params.arp_validate = newval->value; |
29c49482 | 1076 | |
1077 | return 0; | |
1078 | } | |
d5c84254 | 1079 | |
f3253339 | 1080 | static int bond_option_arp_all_targets_set(struct bonding *bond, |
28f084cc | 1081 | const struct bond_opt_value *newval) |
d5c84254 | 1082 | { |
2de390ba VF |
1083 | netdev_info(bond->dev, "Setting arp_all_targets to %s (%llu)\n", |
1084 | newval->string, newval->value); | |
edf36b24 | 1085 | bond->params.arp_all_targets = newval->value; |
d5c84254 | 1086 | |
1087 | return 0; | |
1088 | } | |
0a98a0d1 | 1089 | |
f3253339 | 1090 | static int bond_option_primary_set(struct bonding *bond, |
28f084cc | 1091 | const struct bond_opt_value *newval) |
0a98a0d1 | 1092 | { |
180222f0 | 1093 | char *p, *primary = newval->string; |
0a98a0d1 | 1094 | struct list_head *iter; |
1095 | struct slave *slave; | |
0a98a0d1 | 1096 | |
1097 | block_netpoll_tx(); | |
0a98a0d1 | 1098 | |
180222f0 NA |
1099 | p = strchr(primary, '\n'); |
1100 | if (p) | |
1101 | *p = '\0'; | |
0a98a0d1 | 1102 | /* check to see if we are clearing primary */ |
1103 | if (!strlen(primary)) { | |
2de390ba | 1104 | netdev_info(bond->dev, "Setting primary slave to None\n"); |
059b47e8 | 1105 | RCU_INIT_POINTER(bond->primary_slave, NULL); |
0a98a0d1 | 1106 | memset(bond->params.primary, 0, sizeof(bond->params.primary)); |
1107 | bond_select_active_slave(bond); | |
1108 | goto out; | |
1109 | } | |
1110 | ||
1111 | bond_for_each_slave(bond, slave, iter) { | |
1112 | if (strncmp(slave->dev->name, primary, IFNAMSIZ) == 0) { | |
2de390ba VF |
1113 | netdev_info(bond->dev, "Setting %s as primary slave\n", |
1114 | slave->dev->name); | |
059b47e8 | 1115 | rcu_assign_pointer(bond->primary_slave, slave); |
0a98a0d1 | 1116 | strcpy(bond->params.primary, slave->dev->name); |
1117 | bond_select_active_slave(bond); | |
1118 | goto out; | |
1119 | } | |
1120 | } | |
1121 | ||
059b47e8 | 1122 | if (rtnl_dereference(bond->primary_slave)) { |
2de390ba | 1123 | netdev_info(bond->dev, "Setting primary slave to None\n"); |
059b47e8 | 1124 | RCU_INIT_POINTER(bond->primary_slave, NULL); |
c59ab673 | 1125 | bond_select_active_slave(bond); |
1126 | } | |
0a98a0d1 | 1127 | strncpy(bond->params.primary, primary, IFNAMSIZ); |
1128 | bond->params.primary[IFNAMSIZ - 1] = 0; | |
1129 | ||
2de390ba VF |
1130 | netdev_info(bond->dev, "Recording %s as primary, but it has not been enslaved to %s yet\n", |
1131 | primary, bond->dev->name); | |
0a98a0d1 | 1132 | |
1133 | out: | |
0a98a0d1 | 1134 | unblock_netpoll_tx(); |
1135 | ||
180222f0 | 1136 | return 0; |
0a98a0d1 | 1137 | } |
8a41ae44 | 1138 | |
f3253339 | 1139 | static int bond_option_primary_reselect_set(struct bonding *bond, |
28f084cc | 1140 | const struct bond_opt_value *newval) |
8a41ae44 | 1141 | { |
2de390ba VF |
1142 | netdev_info(bond->dev, "Setting primary_reselect to %s (%llu)\n", |
1143 | newval->string, newval->value); | |
388d3a6d | 1144 | bond->params.primary_reselect = newval->value; |
8a41ae44 | 1145 | |
1146 | block_netpoll_tx(); | |
8a41ae44 | 1147 | bond_select_active_slave(bond); |
8a41ae44 | 1148 | unblock_netpoll_tx(); |
1149 | ||
1150 | return 0; | |
1151 | } | |
89901972 | 1152 | |
f3253339 | 1153 | static int bond_option_fail_over_mac_set(struct bonding *bond, |
28f084cc | 1154 | const struct bond_opt_value *newval) |
89901972 | 1155 | { |
2de390ba VF |
1156 | netdev_info(bond->dev, "Setting fail_over_mac to %s (%llu)\n", |
1157 | newval->string, newval->value); | |
1df6b6aa | 1158 | bond->params.fail_over_mac = newval->value; |
89901972 | 1159 | |
1160 | return 0; | |
1161 | } | |
f70161c6 | 1162 | |
f3253339 | 1163 | static int bond_option_xmit_hash_policy_set(struct bonding *bond, |
28f084cc | 1164 | const struct bond_opt_value *newval) |
f70161c6 | 1165 | { |
2de390ba VF |
1166 | netdev_info(bond->dev, "Setting xmit hash policy to %s (%llu)\n", |
1167 | newval->string, newval->value); | |
a4b32ce7 | 1168 | bond->params.xmit_policy = newval->value; |
f70161c6 | 1169 | |
1170 | return 0; | |
1171 | } | |
d8838de7 | 1172 | |
f3253339 | 1173 | static int bond_option_resend_igmp_set(struct bonding *bond, |
28f084cc | 1174 | const struct bond_opt_value *newval) |
d8838de7 | 1175 | { |
2de390ba VF |
1176 | netdev_info(bond->dev, "Setting resend_igmp to %llu\n", |
1177 | newval->value); | |
105c8fb6 | 1178 | bond->params.resend_igmp = newval->value; |
d8838de7 | 1179 | |
1180 | return 0; | |
1181 | } | |
2c9839c1 | 1182 | |
f3253339 | 1183 | static int bond_option_num_peer_notif_set(struct bonding *bond, |
28f084cc | 1184 | const struct bond_opt_value *newval) |
2c9839c1 | 1185 | { |
ef56becb NA |
1186 | bond->params.num_peer_notif = newval->value; |
1187 | ||
2c9839c1 | 1188 | return 0; |
1189 | } | |
1cc0b1e3 | 1190 | |
f3253339 | 1191 | static int bond_option_all_slaves_active_set(struct bonding *bond, |
28f084cc | 1192 | const struct bond_opt_value *newval) |
1cc0b1e3 | 1193 | { |
1194 | struct list_head *iter; | |
1195 | struct slave *slave; | |
1196 | ||
3df01162 | 1197 | if (newval->value == bond->params.all_slaves_active) |
1cc0b1e3 | 1198 | return 0; |
3df01162 | 1199 | bond->params.all_slaves_active = newval->value; |
1cc0b1e3 | 1200 | bond_for_each_slave(bond, slave, iter) { |
1201 | if (!bond_is_active_slave(slave)) { | |
3df01162 | 1202 | if (newval->value) |
1cc0b1e3 | 1203 | slave->inactive = 0; |
1204 | else | |
1205 | slave->inactive = 1; | |
1206 | } | |
1207 | } | |
1208 | ||
1209 | return 0; | |
1210 | } | |
7d101008 | 1211 | |
f3253339 | 1212 | static int bond_option_min_links_set(struct bonding *bond, |
28f084cc | 1213 | const struct bond_opt_value *newval) |
7d101008 | 1214 | { |
2de390ba VF |
1215 | netdev_info(bond->dev, "Setting min links value to %llu\n", |
1216 | newval->value); | |
633ddc9e | 1217 | bond->params.min_links = newval->value; |
2477bc9a | 1218 | bond_set_carrier(bond); |
7d101008 | 1219 | |
1220 | return 0; | |
1221 | } | |
8d836d09 | 1222 | |
f3253339 | 1223 | static int bond_option_lp_interval_set(struct bonding *bond, |
28f084cc | 1224 | const struct bond_opt_value *newval) |
8d836d09 | 1225 | { |
4325b374 | 1226 | bond->params.lp_interval = newval->value; |
8d836d09 | 1227 | |
1228 | return 0; | |
1229 | } | |
c13ab3ff | 1230 | |
f3253339 | 1231 | static int bond_option_pps_set(struct bonding *bond, |
28f084cc | 1232 | const struct bond_opt_value *newval) |
c13ab3ff | 1233 | { |
aa59d851 NA |
1234 | bond->params.packets_per_slave = newval->value; |
1235 | if (newval->value > 0) { | |
809fa972 | 1236 | bond->params.reciprocal_packets_per_slave = |
aa59d851 | 1237 | reciprocal_value(newval->value); |
809fa972 HFS |
1238 | } else { |
1239 | /* reciprocal_packets_per_slave is unused if | |
1240 | * packets_per_slave is 0 or 1, just initialize it | |
1241 | */ | |
1242 | bond->params.reciprocal_packets_per_slave = | |
1243 | (struct reciprocal_value) { 0 }; | |
1244 | } | |
c13ab3ff | 1245 | |
1246 | return 0; | |
1247 | } | |
998e40bb | 1248 | |
f3253339 | 1249 | static int bond_option_lacp_rate_set(struct bonding *bond, |
28f084cc | 1250 | const struct bond_opt_value *newval) |
998e40bb | 1251 | { |
2de390ba VF |
1252 | netdev_info(bond->dev, "Setting LACP rate to %s (%llu)\n", |
1253 | newval->string, newval->value); | |
d3131de7 | 1254 | bond->params.lacp_fast = newval->value; |
3243c47b | 1255 | bond_3ad_update_lacp_rate(bond); |
998e40bb | 1256 | |
1257 | return 0; | |
1258 | } | |
ec029fac | 1259 | |
f3253339 | 1260 | static int bond_option_ad_select_set(struct bonding *bond, |
28f084cc | 1261 | const struct bond_opt_value *newval) |
ec029fac | 1262 | { |
2de390ba VF |
1263 | netdev_info(bond->dev, "Setting ad_select to %s (%llu)\n", |
1264 | newval->string, newval->value); | |
9e5f5eeb | 1265 | bond->params.ad_select = newval->value; |
ec029fac | 1266 | |
1267 | return 0; | |
1268 | } | |
24089ba1 | 1269 | |
f3253339 | 1270 | static int bond_option_queue_id_set(struct bonding *bond, |
28f084cc | 1271 | const struct bond_opt_value *newval) |
24089ba1 NA |
1272 | { |
1273 | struct slave *slave, *update_slave; | |
1274 | struct net_device *sdev; | |
1275 | struct list_head *iter; | |
1276 | char *delim; | |
1277 | int ret = 0; | |
1278 | u16 qid; | |
1279 | ||
1280 | /* delim will point to queue id if successful */ | |
1281 | delim = strchr(newval->string, ':'); | |
1282 | if (!delim) | |
1283 | goto err_no_cmd; | |
1284 | ||
1285 | /* Terminate string that points to device name and bump it | |
1286 | * up one, so we can read the queue id there. | |
1287 | */ | |
1288 | *delim = '\0'; | |
1289 | if (sscanf(++delim, "%hd\n", &qid) != 1) | |
1290 | goto err_no_cmd; | |
1291 | ||
1292 | /* Check buffer length, valid ifname and queue id */ | |
c313c89e | 1293 | if (!dev_valid_name(newval->string) || |
24089ba1 NA |
1294 | qid > bond->dev->real_num_tx_queues) |
1295 | goto err_no_cmd; | |
1296 | ||
1297 | /* Get the pointer to that interface if it exists */ | |
1298 | sdev = __dev_get_by_name(dev_net(bond->dev), newval->string); | |
1299 | if (!sdev) | |
1300 | goto err_no_cmd; | |
1301 | ||
1302 | /* Search for thes slave and check for duplicate qids */ | |
1303 | update_slave = NULL; | |
1304 | bond_for_each_slave(bond, slave, iter) { | |
1305 | if (sdev == slave->dev) | |
1306 | /* We don't need to check the matching | |
1307 | * slave for dups, since we're overwriting it | |
1308 | */ | |
1309 | update_slave = slave; | |
1310 | else if (qid && qid == slave->queue_id) { | |
1311 | goto err_no_cmd; | |
1312 | } | |
1313 | } | |
1314 | ||
1315 | if (!update_slave) | |
1316 | goto err_no_cmd; | |
1317 | ||
1318 | /* Actually set the qids for the slave */ | |
1319 | update_slave->queue_id = qid; | |
1320 | ||
1321 | out: | |
1322 | return ret; | |
1323 | ||
1324 | err_no_cmd: | |
2de390ba | 1325 | netdev_info(bond->dev, "invalid input for queue_id set\n"); |
24089ba1 NA |
1326 | ret = -EPERM; |
1327 | goto out; | |
1328 | ||
1329 | } | |
0e2e5b66 | 1330 | |
f3253339 | 1331 | static int bond_option_slaves_set(struct bonding *bond, |
28f084cc | 1332 | const struct bond_opt_value *newval) |
0e2e5b66 NA |
1333 | { |
1334 | char command[IFNAMSIZ + 1] = { 0, }; | |
1335 | struct net_device *dev; | |
1336 | char *ifname; | |
1337 | int ret; | |
1338 | ||
1339 | sscanf(newval->string, "%16s", command); /* IFNAMSIZ*/ | |
1340 | ifname = command + 1; | |
1341 | if ((strlen(command) <= 1) || | |
1342 | !dev_valid_name(ifname)) | |
1343 | goto err_no_cmd; | |
1344 | ||
1345 | dev = __dev_get_by_name(dev_net(bond->dev), ifname); | |
1346 | if (!dev) { | |
2de390ba VF |
1347 | netdev_info(bond->dev, "interface %s does not exist!\n", |
1348 | ifname); | |
0e2e5b66 NA |
1349 | ret = -ENODEV; |
1350 | goto out; | |
1351 | } | |
1352 | ||
1353 | switch (command[0]) { | |
1354 | case '+': | |
2de390ba | 1355 | netdev_info(bond->dev, "Adding slave %s\n", dev->name); |
0e2e5b66 NA |
1356 | ret = bond_enslave(bond->dev, dev); |
1357 | break; | |
1358 | ||
1359 | case '-': | |
2de390ba | 1360 | netdev_info(bond->dev, "Removing slave %s\n", dev->name); |
0e2e5b66 NA |
1361 | ret = bond_release(bond->dev, dev); |
1362 | break; | |
1363 | ||
1364 | default: | |
1365 | goto err_no_cmd; | |
1366 | } | |
1367 | ||
1368 | out: | |
1369 | return ret; | |
1370 | ||
1371 | err_no_cmd: | |
2de390ba | 1372 | netdev_err(bond->dev, "no command found in slaves file - use +ifname or -ifname\n"); |
0e2e5b66 NA |
1373 | ret = -EPERM; |
1374 | goto out; | |
1375 | } | |
e9f0fb88 MB |
1376 | |
1377 | static int bond_option_tlb_dynamic_lb_set(struct bonding *bond, | |
1378 | const struct bond_opt_value *newval) | |
1379 | { | |
2de390ba VF |
1380 | netdev_info(bond->dev, "Setting dynamic-lb to %s (%llu)\n", |
1381 | newval->string, newval->value); | |
e9f0fb88 MB |
1382 | bond->params.tlb_dynamic_lb = newval->value; |
1383 | ||
1384 | return 0; | |
1385 | } | |
6791e466 MB |
1386 | |
1387 | static int bond_option_ad_actor_sys_prio_set(struct bonding *bond, | |
1388 | const struct bond_opt_value *newval) | |
1389 | { | |
171a42c3 | 1390 | netdev_info(bond->dev, "Setting ad_actor_sys_prio to %llu\n", |
6791e466 MB |
1391 | newval->value); |
1392 | ||
1393 | bond->params.ad_actor_sys_prio = newval->value; | |
5ee14e6d NA |
1394 | bond_3ad_update_ad_actor_settings(bond); |
1395 | ||
6791e466 MB |
1396 | return 0; |
1397 | } | |
74514957 MB |
1398 | |
1399 | static int bond_option_ad_actor_system_set(struct bonding *bond, | |
1400 | const struct bond_opt_value *newval) | |
1401 | { | |
1402 | u8 macaddr[ETH_ALEN]; | |
171a42c3 | 1403 | u8 *mac; |
74514957 MB |
1404 | int i; |
1405 | ||
171a42c3 AG |
1406 | if (newval->string) { |
1407 | i = sscanf(newval->string, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", | |
1408 | &macaddr[0], &macaddr[1], &macaddr[2], | |
1409 | &macaddr[3], &macaddr[4], &macaddr[5]); | |
1410 | if (i != ETH_ALEN) | |
1411 | goto err; | |
1412 | mac = macaddr; | |
1413 | } else { | |
1414 | mac = (u8 *)&newval->value; | |
74514957 MB |
1415 | } |
1416 | ||
171a42c3 AG |
1417 | if (!is_valid_ether_addr(mac)) |
1418 | goto err; | |
1419 | ||
1420 | netdev_info(bond->dev, "Setting ad_actor_system to %pM\n", mac); | |
1421 | ether_addr_copy(bond->params.ad_actor_system, mac); | |
5ee14e6d NA |
1422 | bond_3ad_update_ad_actor_settings(bond); |
1423 | ||
74514957 | 1424 | return 0; |
171a42c3 AG |
1425 | |
1426 | err: | |
1427 | netdev_err(bond->dev, "Invalid MAC address.\n"); | |
1428 | return -EINVAL; | |
74514957 | 1429 | } |
d22a5fc0 MB |
1430 | |
1431 | static int bond_option_ad_user_port_key_set(struct bonding *bond, | |
1432 | const struct bond_opt_value *newval) | |
1433 | { | |
171a42c3 | 1434 | netdev_info(bond->dev, "Setting ad_user_port_key to %llu\n", |
d22a5fc0 MB |
1435 | newval->value); |
1436 | ||
1437 | bond->params.ad_user_port_key = newval->value; | |
1438 | return 0; | |
1439 | } |