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)), | |
405 | .flags = BOND_OPTFLAG_IFDOWN, | |
406 | .values = bond_ad_actor_sys_prio_tbl, | |
407 | .set = bond_option_ad_actor_sys_prio_set, | |
408 | }, | |
74514957 MB |
409 | [BOND_OPT_AD_ACTOR_SYSTEM] = { |
410 | .id = BOND_OPT_AD_ACTOR_SYSTEM, | |
411 | .name = "ad_actor_system", | |
412 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)), | |
413 | .flags = BOND_OPTFLAG_RAWVAL | BOND_OPTFLAG_IFDOWN, | |
414 | .set = bond_option_ad_actor_system_set, | |
415 | }, | |
d22a5fc0 MB |
416 | [BOND_OPT_AD_USER_PORT_KEY] = { |
417 | .id = BOND_OPT_AD_USER_PORT_KEY, | |
418 | .name = "ad_user_port_key", | |
419 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)), | |
420 | .flags = BOND_OPTFLAG_IFDOWN, | |
421 | .values = bond_ad_user_port_key_tbl, | |
422 | .set = bond_option_ad_user_port_key_set, | |
423 | } | |
09117362 NA |
424 | }; |
425 | ||
dc3e5d18 NA |
426 | /* Searches for an option by name */ |
427 | const struct bond_option *bond_opt_get_by_name(const char *name) | |
428 | { | |
429 | const struct bond_option *opt; | |
430 | int option; | |
431 | ||
432 | for (option = 0; option < BOND_OPT_LAST; option++) { | |
433 | opt = bond_opt_get(option); | |
434 | if (opt && !strcmp(opt->name, name)) | |
435 | return opt; | |
436 | } | |
437 | ||
438 | return NULL; | |
439 | } | |
440 | ||
09117362 | 441 | /* Searches for a value in opt's values[] table */ |
f3253339 | 442 | const struct bond_opt_value *bond_opt_get_val(unsigned int option, u64 val) |
09117362 | 443 | { |
f3253339 | 444 | const struct bond_option *opt; |
09117362 NA |
445 | int i; |
446 | ||
447 | opt = bond_opt_get(option); | |
448 | if (WARN_ON(!opt)) | |
449 | return NULL; | |
450 | for (i = 0; opt->values && opt->values[i].string; i++) | |
451 | if (opt->values[i].value == val) | |
452 | return &opt->values[i]; | |
453 | ||
454 | return NULL; | |
455 | } | |
456 | ||
457 | /* Searches for a value in opt's values[] table which matches the flagmask */ | |
f3253339 | 458 | static const struct bond_opt_value *bond_opt_get_flags(const struct bond_option *opt, |
09117362 NA |
459 | u32 flagmask) |
460 | { | |
461 | int i; | |
462 | ||
463 | for (i = 0; opt->values && opt->values[i].string; i++) | |
464 | if (opt->values[i].flags & flagmask) | |
465 | return &opt->values[i]; | |
466 | ||
467 | return NULL; | |
468 | } | |
469 | ||
470 | /* If maxval is missing then there's no range to check. In case minval is | |
471 | * missing then it's considered to be 0. | |
472 | */ | |
473 | static bool bond_opt_check_range(const struct bond_option *opt, u64 val) | |
474 | { | |
f3253339 | 475 | const struct bond_opt_value *minval, *maxval; |
09117362 NA |
476 | |
477 | minval = bond_opt_get_flags(opt, BOND_VALFLAG_MIN); | |
478 | maxval = bond_opt_get_flags(opt, BOND_VALFLAG_MAX); | |
479 | if (!maxval || (minval && val < minval->value) || val > maxval->value) | |
480 | return false; | |
481 | ||
482 | return true; | |
483 | } | |
484 | ||
485 | /** | |
486 | * bond_opt_parse - parse option value | |
487 | * @opt: the option to parse against | |
488 | * @val: value to parse | |
489 | * | |
490 | * This function tries to extract the value from @val and check if it's | |
491 | * a possible match for the option and returns NULL if a match isn't found, | |
492 | * or the struct_opt_value that matched. It also strips the new line from | |
493 | * @val->string if it's present. | |
494 | */ | |
f3253339 | 495 | const struct bond_opt_value *bond_opt_parse(const struct bond_option *opt, |
496 | struct bond_opt_value *val) | |
09117362 NA |
497 | { |
498 | char *p, valstr[BOND_OPT_MAX_NAMELEN + 1] = { 0, }; | |
f3253339 | 499 | const struct bond_opt_value *tbl; |
500 | const struct bond_opt_value *ret = NULL; | |
09117362 NA |
501 | bool checkval; |
502 | int i, rv; | |
503 | ||
504 | /* No parsing if the option wants a raw val */ | |
505 | if (opt->flags & BOND_OPTFLAG_RAWVAL) | |
506 | return val; | |
507 | ||
508 | tbl = opt->values; | |
509 | if (!tbl) | |
510 | goto out; | |
511 | ||
512 | /* ULLONG_MAX is used to bypass string processing */ | |
513 | checkval = val->value != ULLONG_MAX; | |
514 | if (!checkval) { | |
515 | if (!val->string) | |
516 | goto out; | |
517 | p = strchr(val->string, '\n'); | |
518 | if (p) | |
519 | *p = '\0'; | |
520 | for (p = val->string; *p; p++) | |
521 | if (!(isdigit(*p) || isspace(*p))) | |
522 | break; | |
523 | /* The following code extracts the string to match or the value | |
524 | * and sets checkval appropriately | |
525 | */ | |
526 | if (*p) { | |
527 | rv = sscanf(val->string, "%32s", valstr); | |
528 | } else { | |
529 | rv = sscanf(val->string, "%llu", &val->value); | |
530 | checkval = true; | |
531 | } | |
532 | if (!rv) | |
533 | goto out; | |
534 | } | |
535 | ||
536 | for (i = 0; tbl[i].string; i++) { | |
537 | /* Check for exact match */ | |
538 | if (checkval) { | |
539 | if (val->value == tbl[i].value) | |
540 | ret = &tbl[i]; | |
541 | } else { | |
542 | if (!strcmp(valstr, "default") && | |
543 | (tbl[i].flags & BOND_VALFLAG_DEFAULT)) | |
544 | ret = &tbl[i]; | |
545 | ||
546 | if (!strcmp(valstr, tbl[i].string)) | |
547 | ret = &tbl[i]; | |
548 | } | |
549 | /* Found an exact match */ | |
550 | if (ret) | |
551 | goto out; | |
552 | } | |
553 | /* Possible range match */ | |
554 | if (checkval && bond_opt_check_range(opt, val->value)) | |
555 | ret = val; | |
556 | out: | |
557 | return ret; | |
558 | } | |
559 | ||
560 | /* Check opt's dependencies against bond mode and currently set options */ | |
561 | static int bond_opt_check_deps(struct bonding *bond, | |
562 | const struct bond_option *opt) | |
563 | { | |
564 | struct bond_params *params = &bond->params; | |
565 | ||
566 | if (test_bit(params->mode, &opt->unsuppmodes)) | |
567 | return -EACCES; | |
568 | if ((opt->flags & BOND_OPTFLAG_NOSLAVES) && bond_has_slaves(bond)) | |
569 | return -ENOTEMPTY; | |
570 | if ((opt->flags & BOND_OPTFLAG_IFDOWN) && (bond->dev->flags & IFF_UP)) | |
571 | return -EBUSY; | |
572 | ||
573 | return 0; | |
574 | } | |
575 | ||
576 | static void bond_opt_dep_print(struct bonding *bond, | |
577 | const struct bond_option *opt) | |
578 | { | |
28f084cc | 579 | const struct bond_opt_value *modeval; |
09117362 NA |
580 | struct bond_params *params; |
581 | ||
582 | params = &bond->params; | |
2b3798d5 | 583 | modeval = bond_opt_get_val(BOND_OPT_MODE, params->mode); |
09117362 | 584 | if (test_bit(params->mode, &opt->unsuppmodes)) |
2de390ba VF |
585 | netdev_err(bond->dev, "option %s: mode dependency failed, not supported in mode %s(%llu)\n", |
586 | opt->name, modeval->string, modeval->value); | |
09117362 NA |
587 | } |
588 | ||
589 | static void bond_opt_error_interpret(struct bonding *bond, | |
590 | const struct bond_option *opt, | |
28f084cc | 591 | int error, const struct bond_opt_value *val) |
09117362 | 592 | { |
28f084cc | 593 | const struct bond_opt_value *minval, *maxval; |
09117362 NA |
594 | char *p; |
595 | ||
596 | switch (error) { | |
597 | case -EINVAL: | |
598 | if (val) { | |
599 | if (val->string) { | |
600 | /* sometimes RAWVAL opts may have new lines */ | |
601 | p = strchr(val->string, '\n'); | |
602 | if (p) | |
603 | *p = '\0'; | |
2de390ba VF |
604 | netdev_err(bond->dev, "option %s: invalid value (%s)\n", |
605 | opt->name, val->string); | |
09117362 | 606 | } else { |
2de390ba VF |
607 | netdev_err(bond->dev, "option %s: invalid value (%llu)\n", |
608 | opt->name, val->value); | |
09117362 NA |
609 | } |
610 | } | |
611 | minval = bond_opt_get_flags(opt, BOND_VALFLAG_MIN); | |
612 | maxval = bond_opt_get_flags(opt, BOND_VALFLAG_MAX); | |
613 | if (!maxval) | |
614 | break; | |
2de390ba VF |
615 | netdev_err(bond->dev, "option %s: allowed values %llu - %llu\n", |
616 | opt->name, minval ? minval->value : 0, maxval->value); | |
09117362 NA |
617 | break; |
618 | case -EACCES: | |
619 | bond_opt_dep_print(bond, opt); | |
620 | break; | |
621 | case -ENOTEMPTY: | |
2de390ba VF |
622 | netdev_err(bond->dev, "option %s: unable to set because the bond device has slaves\n", |
623 | opt->name); | |
09117362 NA |
624 | break; |
625 | case -EBUSY: | |
2de390ba VF |
626 | netdev_err(bond->dev, "option %s: unable to set because the bond device is up\n", |
627 | opt->name); | |
09117362 NA |
628 | break; |
629 | default: | |
630 | break; | |
631 | } | |
632 | } | |
633 | ||
634 | /** | |
635 | * __bond_opt_set - set a bonding option | |
636 | * @bond: target bond device | |
637 | * @option: option to set | |
638 | * @val: value to set it to | |
639 | * | |
640 | * This function is used to change the bond's option value, it can be | |
641 | * used for both enabling/changing an option and for disabling it. RTNL lock | |
642 | * must be obtained before calling this function. | |
643 | */ | |
644 | int __bond_opt_set(struct bonding *bond, | |
645 | unsigned int option, struct bond_opt_value *val) | |
646 | { | |
28f084cc | 647 | const struct bond_opt_value *retval = NULL; |
09117362 NA |
648 | const struct bond_option *opt; |
649 | int ret = -ENOENT; | |
650 | ||
651 | ASSERT_RTNL(); | |
652 | ||
653 | opt = bond_opt_get(option); | |
654 | if (WARN_ON(!val) || WARN_ON(!opt)) | |
655 | goto out; | |
656 | ret = bond_opt_check_deps(bond, opt); | |
657 | if (ret) | |
658 | goto out; | |
659 | retval = bond_opt_parse(opt, val); | |
660 | if (!retval) { | |
661 | ret = -EINVAL; | |
662 | goto out; | |
663 | } | |
664 | ret = opt->set(bond, retval); | |
665 | out: | |
666 | if (ret) | |
667 | bond_opt_error_interpret(bond, opt, ret, val); | |
ed2a80ab | 668 | else if (bond->dev->reg_state == NETREG_REGISTERED) |
d4261e56 | 669 | call_netdevice_notifiers(NETDEV_CHANGEINFODATA, bond->dev); |
09117362 NA |
670 | |
671 | return ret; | |
672 | } | |
673 | ||
674 | /** | |
675 | * bond_opt_tryset_rtnl - try to acquire rtnl and call __bond_opt_set | |
676 | * @bond: target bond device | |
677 | * @option: option to set | |
678 | * @buf: value to set it to | |
679 | * | |
680 | * This function tries to acquire RTNL without blocking and if successful | |
681 | * calls __bond_opt_set. It is mainly used for sysfs option manipulation. | |
682 | */ | |
683 | int bond_opt_tryset_rtnl(struct bonding *bond, unsigned int option, char *buf) | |
684 | { | |
685 | struct bond_opt_value optval; | |
686 | int ret; | |
687 | ||
688 | if (!rtnl_trylock()) | |
689 | return restart_syscall(); | |
690 | bond_opt_initstr(&optval, buf); | |
691 | ret = __bond_opt_set(bond, option, &optval); | |
692 | rtnl_unlock(); | |
693 | ||
694 | return ret; | |
695 | } | |
696 | ||
697 | /** | |
698 | * bond_opt_get - get a pointer to an option | |
699 | * @option: option for which to return a pointer | |
700 | * | |
701 | * This function checks if option is valid and if so returns a pointer | |
702 | * to its entry in the bond_opts[] option array. | |
703 | */ | |
f3253339 | 704 | const struct bond_option *bond_opt_get(unsigned int option) |
09117362 NA |
705 | { |
706 | if (!BOND_OPT_VALID(option)) | |
707 | return NULL; | |
708 | ||
709 | return &bond_opts[option]; | |
710 | } | |
711 | ||
ff11d8b2 NA |
712 | static int bond_option_mode_set(struct bonding *bond, |
713 | const struct bond_opt_value *newval) | |
72be35fe | 714 | { |
267bed77 | 715 | if (!bond_mode_uses_arp(newval->value) && bond->params.arp_interval) { |
2de390ba VF |
716 | netdev_info(bond->dev, "%s mode is incompatible with arp monitoring, start mii monitoring\n", |
717 | newval->string); | |
fe9d04af | 718 | /* disable arp monitoring */ |
719 | bond->params.arp_interval = 0; | |
720 | /* set miimon to default value */ | |
721 | bond->params.miimon = BOND_DEFAULT_MIIMON; | |
2de390ba VF |
722 | netdev_info(bond->dev, "Setting MII monitoring interval to %d\n", |
723 | bond->params.miimon); | |
72be35fe JP |
724 | } |
725 | ||
726 | /* don't cache arp_validate between modes */ | |
727 | bond->params.arp_validate = BOND_ARP_VALIDATE_NONE; | |
2b3798d5 NA |
728 | bond->params.mode = newval->value; |
729 | ||
72be35fe JP |
730 | return 0; |
731 | } | |
d9e32b21 | 732 | |
752d48b5 JP |
733 | static struct net_device *__bond_option_active_slave_get(struct bonding *bond, |
734 | struct slave *slave) | |
735 | { | |
ec0865a9 | 736 | return bond_uses_primary(bond) && slave ? slave->dev : NULL; |
752d48b5 JP |
737 | } |
738 | ||
739 | struct net_device *bond_option_active_slave_get_rcu(struct bonding *bond) | |
740 | { | |
741 | struct slave *slave = rcu_dereference(bond->curr_active_slave); | |
742 | ||
743 | return __bond_option_active_slave_get(bond, slave); | |
744 | } | |
745 | ||
f3253339 | 746 | static int bond_option_active_slave_set(struct bonding *bond, |
28f084cc | 747 | const struct bond_opt_value *newval) |
d9e32b21 | 748 | { |
d1fbd3ed NA |
749 | char ifname[IFNAMSIZ] = { 0, }; |
750 | struct net_device *slave_dev; | |
d9e32b21 JP |
751 | int ret = 0; |
752 | ||
d1fbd3ed NA |
753 | sscanf(newval->string, "%15s", ifname); /* IFNAMSIZ */ |
754 | if (!strlen(ifname) || newval->string[0] == '\n') { | |
755 | slave_dev = NULL; | |
756 | } else { | |
757 | slave_dev = __dev_get_by_name(dev_net(bond->dev), ifname); | |
758 | if (!slave_dev) | |
759 | return -ENODEV; | |
760 | } | |
761 | ||
d9e32b21 JP |
762 | if (slave_dev) { |
763 | if (!netif_is_bond_slave(slave_dev)) { | |
2de390ba VF |
764 | netdev_err(bond->dev, "Device %s is not bonding slave\n", |
765 | slave_dev->name); | |
d9e32b21 JP |
766 | return -EINVAL; |
767 | } | |
768 | ||
769 | if (bond->dev != netdev_master_upper_dev_get(slave_dev)) { | |
2de390ba VF |
770 | netdev_err(bond->dev, "Device %s is not our slave\n", |
771 | slave_dev->name); | |
d9e32b21 JP |
772 | return -EINVAL; |
773 | } | |
774 | } | |
775 | ||
d9e32b21 | 776 | block_netpoll_tx(); |
d9e32b21 JP |
777 | /* check to see if we are clearing active */ |
778 | if (!slave_dev) { | |
2de390ba | 779 | netdev_info(bond->dev, "Clearing current active slave\n"); |
8800a244 | 780 | RCU_INIT_POINTER(bond->curr_active_slave, NULL); |
d9e32b21 JP |
781 | bond_select_active_slave(bond); |
782 | } else { | |
1c72cfdc | 783 | struct slave *old_active = rtnl_dereference(bond->curr_active_slave); |
d9e32b21 JP |
784 | struct slave *new_active = bond_slave_get_rtnl(slave_dev); |
785 | ||
786 | BUG_ON(!new_active); | |
787 | ||
788 | if (new_active == old_active) { | |
789 | /* do nothing */ | |
2de390ba VF |
790 | netdev_info(bond->dev, "%s is already the current active slave\n", |
791 | new_active->dev->name); | |
d9e32b21 JP |
792 | } else { |
793 | if (old_active && (new_active->link == BOND_LINK_UP) && | |
b6adc610 | 794 | bond_slave_is_up(new_active)) { |
2de390ba VF |
795 | netdev_info(bond->dev, "Setting %s as active slave\n", |
796 | new_active->dev->name); | |
d9e32b21 JP |
797 | bond_change_active_slave(bond, new_active); |
798 | } else { | |
2de390ba VF |
799 | netdev_err(bond->dev, "Could not set %s as active slave; either %s is down or the link is down\n", |
800 | new_active->dev->name, | |
801 | new_active->dev->name); | |
d9e32b21 JP |
802 | ret = -EINVAL; |
803 | } | |
804 | } | |
805 | } | |
d9e32b21 | 806 | unblock_netpoll_tx(); |
d1fbd3ed | 807 | |
d9e32b21 JP |
808 | return ret; |
809 | } | |
eecdaa6e | 810 | |
dc3e5d18 NA |
811 | /* There are two tricky bits here. First, if MII monitoring is activated, then |
812 | * we must disable ARP monitoring. Second, if the timer isn't running, we must | |
813 | * start it. | |
814 | */ | |
f3253339 | 815 | static int bond_option_miimon_set(struct bonding *bond, |
28f084cc | 816 | const struct bond_opt_value *newval) |
eecdaa6e | 817 | { |
2de390ba VF |
818 | netdev_info(bond->dev, "Setting MII monitoring interval to %llu\n", |
819 | newval->value); | |
b98d9c66 | 820 | bond->params.miimon = newval->value; |
eecdaa6e | 821 | if (bond->params.updelay) |
2de390ba | 822 | netdev_info(bond->dev, "Note: Updating updelay (to %d) since it is a multiple of the miimon value\n", |
eecdaa6e | 823 | bond->params.updelay * bond->params.miimon); |
824 | if (bond->params.downdelay) | |
2de390ba VF |
825 | netdev_info(bond->dev, "Note: Updating downdelay (to %d) since it is a multiple of the miimon value\n", |
826 | bond->params.downdelay * bond->params.miimon); | |
b98d9c66 | 827 | if (newval->value && bond->params.arp_interval) { |
2de390ba | 828 | netdev_info(bond->dev, "MII monitoring cannot be used with ARP monitoring - disabling ARP monitoring...\n"); |
eecdaa6e | 829 | bond->params.arp_interval = 0; |
830 | if (bond->params.arp_validate) | |
831 | bond->params.arp_validate = BOND_ARP_VALIDATE_NONE; | |
832 | } | |
833 | if (bond->dev->flags & IFF_UP) { | |
834 | /* If the interface is up, we may need to fire off | |
835 | * the MII timer. If the interface is down, the | |
836 | * timer will get fired off when the open function | |
837 | * is called. | |
838 | */ | |
b98d9c66 | 839 | if (!newval->value) { |
eecdaa6e | 840 | cancel_delayed_work_sync(&bond->mii_work); |
841 | } else { | |
842 | cancel_delayed_work_sync(&bond->arp_work); | |
843 | queue_delayed_work(bond->wq, &bond->mii_work, 0); | |
844 | } | |
845 | } | |
b98d9c66 | 846 | |
eecdaa6e | 847 | return 0; |
848 | } | |
25852e29 | 849 | |
dc3e5d18 NA |
850 | /* Set up and down delays. These must be multiples of the |
851 | * MII monitoring value, and are stored internally as the multiplier. | |
852 | * Thus, we must translate to MS for the real world. | |
853 | */ | |
f3253339 | 854 | static int bond_option_updelay_set(struct bonding *bond, |
28f084cc | 855 | const struct bond_opt_value *newval) |
25852e29 | 856 | { |
0681a282 NA |
857 | int value = newval->value; |
858 | ||
e4994612 | 859 | if (!bond->params.miimon) { |
2de390ba | 860 | netdev_err(bond->dev, "Unable to set up delay as MII monitoring is disabled\n"); |
25852e29 | 861 | return -EPERM; |
862 | } | |
0681a282 | 863 | if ((value % bond->params.miimon) != 0) { |
2de390ba VF |
864 | netdev_warn(bond->dev, "up delay (%d) is not a multiple of miimon (%d), updelay rounded to %d ms\n", |
865 | value, bond->params.miimon, | |
866 | (value / bond->params.miimon) * | |
867 | bond->params.miimon); | |
25852e29 | 868 | } |
0681a282 | 869 | bond->params.updelay = value / bond->params.miimon; |
2de390ba VF |
870 | netdev_info(bond->dev, "Setting up delay to %d\n", |
871 | bond->params.updelay * bond->params.miimon); | |
25852e29 | 872 | |
873 | return 0; | |
874 | } | |
c7461f9b | 875 | |
f3253339 | 876 | static int bond_option_downdelay_set(struct bonding *bond, |
28f084cc | 877 | const struct bond_opt_value *newval) |
c7461f9b | 878 | { |
0681a282 NA |
879 | int value = newval->value; |
880 | ||
25a9b54a | 881 | if (!bond->params.miimon) { |
2de390ba | 882 | netdev_err(bond->dev, "Unable to set down delay as MII monitoring is disabled\n"); |
c7461f9b | 883 | return -EPERM; |
884 | } | |
0681a282 | 885 | if ((value % bond->params.miimon) != 0) { |
2de390ba VF |
886 | netdev_warn(bond->dev, "down delay (%d) is not a multiple of miimon (%d), delay rounded to %d ms\n", |
887 | value, bond->params.miimon, | |
888 | (value / bond->params.miimon) * | |
889 | bond->params.miimon); | |
c7461f9b | 890 | } |
0681a282 | 891 | bond->params.downdelay = value / bond->params.miimon; |
2de390ba VF |
892 | netdev_info(bond->dev, "Setting down delay to %d\n", |
893 | bond->params.downdelay * bond->params.miimon); | |
c7461f9b | 894 | |
895 | return 0; | |
896 | } | |
9f53e14e | 897 | |
f3253339 | 898 | static int bond_option_use_carrier_set(struct bonding *bond, |
28f084cc | 899 | const struct bond_opt_value *newval) |
9f53e14e | 900 | { |
2de390ba VF |
901 | netdev_info(bond->dev, "Setting use_carrier to %llu\n", |
902 | newval->value); | |
0fff0608 | 903 | bond->params.use_carrier = newval->value; |
9f53e14e | 904 | |
905 | return 0; | |
906 | } | |
06151dbc | 907 | |
dc3e5d18 NA |
908 | /* There are two tricky bits here. First, if ARP monitoring is activated, then |
909 | * we must disable MII monitoring. Second, if the ARP timer isn't running, | |
910 | * we must start it. | |
911 | */ | |
f3253339 | 912 | static int bond_option_arp_interval_set(struct bonding *bond, |
28f084cc | 913 | const struct bond_opt_value *newval) |
06151dbc | 914 | { |
2de390ba VF |
915 | netdev_info(bond->dev, "Setting ARP monitoring interval to %llu\n", |
916 | newval->value); | |
7bdb04ed NA |
917 | bond->params.arp_interval = newval->value; |
918 | if (newval->value) { | |
06151dbc | 919 | if (bond->params.miimon) { |
2de390ba | 920 | netdev_info(bond->dev, "ARP monitoring cannot be used with MII monitoring. Disabling MII monitoring\n"); |
06151dbc | 921 | bond->params.miimon = 0; |
922 | } | |
923 | if (!bond->params.arp_targets[0]) | |
2de390ba | 924 | netdev_info(bond->dev, "ARP monitoring has been set up, but no ARP targets have been specified\n"); |
06151dbc | 925 | } |
926 | if (bond->dev->flags & IFF_UP) { | |
927 | /* If the interface is up, we may need to fire off | |
928 | * the ARP timer. If the interface is down, the | |
929 | * timer will get fired off when the open function | |
930 | * is called. | |
931 | */ | |
7bdb04ed | 932 | if (!newval->value) { |
06151dbc | 933 | if (bond->params.arp_validate) |
934 | bond->recv_probe = NULL; | |
935 | cancel_delayed_work_sync(&bond->arp_work); | |
936 | } else { | |
937 | /* arp_validate can be set only in active-backup mode */ | |
3fe68df9 | 938 | bond->recv_probe = bond_arp_rcv; |
06151dbc | 939 | cancel_delayed_work_sync(&bond->mii_work); |
940 | queue_delayed_work(bond->wq, &bond->arp_work, 0); | |
941 | } | |
942 | } | |
943 | ||
944 | return 0; | |
945 | } | |
7f28fa10 | 946 | |
947 | static void _bond_options_arp_ip_target_set(struct bonding *bond, int slot, | |
948 | __be32 target, | |
949 | unsigned long last_rx) | |
950 | { | |
951 | __be32 *targets = bond->params.arp_targets; | |
952 | struct list_head *iter; | |
953 | struct slave *slave; | |
954 | ||
955 | if (slot >= 0 && slot < BOND_MAX_ARP_TARGETS) { | |
956 | bond_for_each_slave(bond, slave, iter) | |
957 | slave->target_last_arp_rx[slot] = last_rx; | |
958 | targets[slot] = target; | |
959 | } | |
960 | } | |
961 | ||
962 | static int _bond_option_arp_ip_target_add(struct bonding *bond, __be32 target) | |
963 | { | |
964 | __be32 *targets = bond->params.arp_targets; | |
965 | int ind; | |
966 | ||
2807a9fe | 967 | if (!bond_is_ip_target_ok(target)) { |
2de390ba VF |
968 | netdev_err(bond->dev, "invalid ARP target %pI4 specified for addition\n", |
969 | &target); | |
7f28fa10 | 970 | return -EINVAL; |
971 | } | |
972 | ||
973 | if (bond_get_targets_ip(targets, target) != -1) { /* dup */ | |
2de390ba VF |
974 | netdev_err(bond->dev, "ARP target %pI4 is already present\n", |
975 | &target); | |
7f28fa10 | 976 | return -EINVAL; |
977 | } | |
978 | ||
979 | ind = bond_get_targets_ip(targets, 0); /* first free slot */ | |
980 | if (ind == -1) { | |
2de390ba | 981 | netdev_err(bond->dev, "ARP target table is full!\n"); |
7f28fa10 | 982 | return -EINVAL; |
983 | } | |
984 | ||
2de390ba | 985 | netdev_info(bond->dev, "Adding ARP target %pI4\n", &target); |
7f28fa10 | 986 | |
987 | _bond_options_arp_ip_target_set(bond, ind, target, jiffies); | |
988 | ||
989 | return 0; | |
990 | } | |
991 | ||
f3253339 | 992 | static int bond_option_arp_ip_target_add(struct bonding *bond, __be32 target) |
7f28fa10 | 993 | { |
246df7b4 | 994 | return _bond_option_arp_ip_target_add(bond, target); |
7f28fa10 | 995 | } |
996 | ||
f3253339 | 997 | static int bond_option_arp_ip_target_rem(struct bonding *bond, __be32 target) |
7f28fa10 | 998 | { |
999 | __be32 *targets = bond->params.arp_targets; | |
1000 | struct list_head *iter; | |
1001 | struct slave *slave; | |
1002 | unsigned long *targets_rx; | |
1003 | int ind, i; | |
1004 | ||
2807a9fe | 1005 | if (!bond_is_ip_target_ok(target)) { |
2de390ba VF |
1006 | netdev_err(bond->dev, "invalid ARP target %pI4 specified for removal\n", |
1007 | &target); | |
7f28fa10 | 1008 | return -EINVAL; |
1009 | } | |
1010 | ||
1011 | ind = bond_get_targets_ip(targets, target); | |
1012 | if (ind == -1) { | |
2de390ba VF |
1013 | netdev_err(bond->dev, "unable to remove nonexistent ARP target %pI4\n", |
1014 | &target); | |
7f28fa10 | 1015 | return -EINVAL; |
1016 | } | |
1017 | ||
1018 | if (ind == 0 && !targets[1] && bond->params.arp_interval) | |
2de390ba | 1019 | netdev_warn(bond->dev, "Removing last arp target with arp_interval on\n"); |
7f28fa10 | 1020 | |
2de390ba | 1021 | netdev_info(bond->dev, "Removing ARP target %pI4\n", &target); |
7f28fa10 | 1022 | |
7f28fa10 | 1023 | bond_for_each_slave(bond, slave, iter) { |
1024 | targets_rx = slave->target_last_arp_rx; | |
1025 | for (i = ind; (i < BOND_MAX_ARP_TARGETS-1) && targets[i+1]; i++) | |
1026 | targets_rx[i] = targets_rx[i+1]; | |
1027 | targets_rx[i] = 0; | |
1028 | } | |
1029 | for (i = ind; (i < BOND_MAX_ARP_TARGETS-1) && targets[i+1]; i++) | |
1030 | targets[i] = targets[i+1]; | |
1031 | targets[i] = 0; | |
1032 | ||
7f28fa10 | 1033 | return 0; |
1034 | } | |
1035 | ||
4fb0ef58 | 1036 | void bond_option_arp_ip_targets_clear(struct bonding *bond) |
7f28fa10 | 1037 | { |
4fb0ef58 | 1038 | int i; |
7f28fa10 | 1039 | |
7f28fa10 | 1040 | for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) |
1041 | _bond_options_arp_ip_target_set(bond, i, 0, 0); | |
4fb0ef58 | 1042 | } |
7f28fa10 | 1043 | |
f3253339 | 1044 | static int bond_option_arp_ip_targets_set(struct bonding *bond, |
28f084cc | 1045 | const struct bond_opt_value *newval) |
4fb0ef58 NA |
1046 | { |
1047 | int ret = -EPERM; | |
1048 | __be32 target; | |
1049 | ||
1050 | if (newval->string) { | |
1051 | if (!in4_pton(newval->string+1, -1, (u8 *)&target, -1, NULL)) { | |
2de390ba VF |
1052 | netdev_err(bond->dev, "invalid ARP target %pI4 specified\n", |
1053 | &target); | |
4fb0ef58 NA |
1054 | return ret; |
1055 | } | |
1056 | if (newval->string[0] == '+') | |
1057 | ret = bond_option_arp_ip_target_add(bond, target); | |
1058 | else if (newval->string[0] == '-') | |
1059 | ret = bond_option_arp_ip_target_rem(bond, target); | |
1060 | else | |
2de390ba | 1061 | netdev_err(bond->dev, "no command found in arp_ip_targets file - use +<addr> or -<addr>\n"); |
4fb0ef58 NA |
1062 | } else { |
1063 | target = newval->value; | |
1064 | ret = bond_option_arp_ip_target_add(bond, target); | |
7f28fa10 | 1065 | } |
1066 | ||
7f28fa10 | 1067 | return ret; |
1068 | } | |
29c49482 | 1069 | |
f3253339 | 1070 | static int bond_option_arp_validate_set(struct bonding *bond, |
28f084cc | 1071 | const struct bond_opt_value *newval) |
29c49482 | 1072 | { |
2de390ba VF |
1073 | netdev_info(bond->dev, "Setting arp_validate to %s (%llu)\n", |
1074 | newval->string, newval->value); | |
29c49482 | 1075 | |
1076 | if (bond->dev->flags & IFF_UP) { | |
16228881 | 1077 | if (!newval->value) |
29c49482 | 1078 | bond->recv_probe = NULL; |
1079 | else if (bond->params.arp_interval) | |
1080 | bond->recv_probe = bond_arp_rcv; | |
1081 | } | |
16228881 | 1082 | bond->params.arp_validate = newval->value; |
29c49482 | 1083 | |
1084 | return 0; | |
1085 | } | |
d5c84254 | 1086 | |
f3253339 | 1087 | static int bond_option_arp_all_targets_set(struct bonding *bond, |
28f084cc | 1088 | const struct bond_opt_value *newval) |
d5c84254 | 1089 | { |
2de390ba VF |
1090 | netdev_info(bond->dev, "Setting arp_all_targets to %s (%llu)\n", |
1091 | newval->string, newval->value); | |
edf36b24 | 1092 | bond->params.arp_all_targets = newval->value; |
d5c84254 | 1093 | |
1094 | return 0; | |
1095 | } | |
0a98a0d1 | 1096 | |
f3253339 | 1097 | static int bond_option_primary_set(struct bonding *bond, |
28f084cc | 1098 | const struct bond_opt_value *newval) |
0a98a0d1 | 1099 | { |
180222f0 | 1100 | char *p, *primary = newval->string; |
0a98a0d1 | 1101 | struct list_head *iter; |
1102 | struct slave *slave; | |
0a98a0d1 | 1103 | |
1104 | block_netpoll_tx(); | |
0a98a0d1 | 1105 | |
180222f0 NA |
1106 | p = strchr(primary, '\n'); |
1107 | if (p) | |
1108 | *p = '\0'; | |
0a98a0d1 | 1109 | /* check to see if we are clearing primary */ |
1110 | if (!strlen(primary)) { | |
2de390ba | 1111 | netdev_info(bond->dev, "Setting primary slave to None\n"); |
059b47e8 | 1112 | RCU_INIT_POINTER(bond->primary_slave, NULL); |
0a98a0d1 | 1113 | memset(bond->params.primary, 0, sizeof(bond->params.primary)); |
1114 | bond_select_active_slave(bond); | |
1115 | goto out; | |
1116 | } | |
1117 | ||
1118 | bond_for_each_slave(bond, slave, iter) { | |
1119 | if (strncmp(slave->dev->name, primary, IFNAMSIZ) == 0) { | |
2de390ba VF |
1120 | netdev_info(bond->dev, "Setting %s as primary slave\n", |
1121 | slave->dev->name); | |
059b47e8 | 1122 | rcu_assign_pointer(bond->primary_slave, slave); |
0a98a0d1 | 1123 | strcpy(bond->params.primary, slave->dev->name); |
1124 | bond_select_active_slave(bond); | |
1125 | goto out; | |
1126 | } | |
1127 | } | |
1128 | ||
059b47e8 | 1129 | if (rtnl_dereference(bond->primary_slave)) { |
2de390ba | 1130 | netdev_info(bond->dev, "Setting primary slave to None\n"); |
059b47e8 | 1131 | RCU_INIT_POINTER(bond->primary_slave, NULL); |
c59ab673 | 1132 | bond_select_active_slave(bond); |
1133 | } | |
0a98a0d1 | 1134 | strncpy(bond->params.primary, primary, IFNAMSIZ); |
1135 | bond->params.primary[IFNAMSIZ - 1] = 0; | |
1136 | ||
2de390ba VF |
1137 | netdev_info(bond->dev, "Recording %s as primary, but it has not been enslaved to %s yet\n", |
1138 | primary, bond->dev->name); | |
0a98a0d1 | 1139 | |
1140 | out: | |
0a98a0d1 | 1141 | unblock_netpoll_tx(); |
1142 | ||
180222f0 | 1143 | return 0; |
0a98a0d1 | 1144 | } |
8a41ae44 | 1145 | |
f3253339 | 1146 | static int bond_option_primary_reselect_set(struct bonding *bond, |
28f084cc | 1147 | const struct bond_opt_value *newval) |
8a41ae44 | 1148 | { |
2de390ba VF |
1149 | netdev_info(bond->dev, "Setting primary_reselect to %s (%llu)\n", |
1150 | newval->string, newval->value); | |
388d3a6d | 1151 | bond->params.primary_reselect = newval->value; |
8a41ae44 | 1152 | |
1153 | block_netpoll_tx(); | |
8a41ae44 | 1154 | bond_select_active_slave(bond); |
8a41ae44 | 1155 | unblock_netpoll_tx(); |
1156 | ||
1157 | return 0; | |
1158 | } | |
89901972 | 1159 | |
f3253339 | 1160 | static int bond_option_fail_over_mac_set(struct bonding *bond, |
28f084cc | 1161 | const struct bond_opt_value *newval) |
89901972 | 1162 | { |
2de390ba VF |
1163 | netdev_info(bond->dev, "Setting fail_over_mac to %s (%llu)\n", |
1164 | newval->string, newval->value); | |
1df6b6aa | 1165 | bond->params.fail_over_mac = newval->value; |
89901972 | 1166 | |
1167 | return 0; | |
1168 | } | |
f70161c6 | 1169 | |
f3253339 | 1170 | static int bond_option_xmit_hash_policy_set(struct bonding *bond, |
28f084cc | 1171 | const struct bond_opt_value *newval) |
f70161c6 | 1172 | { |
2de390ba VF |
1173 | netdev_info(bond->dev, "Setting xmit hash policy to %s (%llu)\n", |
1174 | newval->string, newval->value); | |
a4b32ce7 | 1175 | bond->params.xmit_policy = newval->value; |
f70161c6 | 1176 | |
1177 | return 0; | |
1178 | } | |
d8838de7 | 1179 | |
f3253339 | 1180 | static int bond_option_resend_igmp_set(struct bonding *bond, |
28f084cc | 1181 | const struct bond_opt_value *newval) |
d8838de7 | 1182 | { |
2de390ba VF |
1183 | netdev_info(bond->dev, "Setting resend_igmp to %llu\n", |
1184 | newval->value); | |
105c8fb6 | 1185 | bond->params.resend_igmp = newval->value; |
d8838de7 | 1186 | |
1187 | return 0; | |
1188 | } | |
2c9839c1 | 1189 | |
f3253339 | 1190 | static int bond_option_num_peer_notif_set(struct bonding *bond, |
28f084cc | 1191 | const struct bond_opt_value *newval) |
2c9839c1 | 1192 | { |
ef56becb NA |
1193 | bond->params.num_peer_notif = newval->value; |
1194 | ||
2c9839c1 | 1195 | return 0; |
1196 | } | |
1cc0b1e3 | 1197 | |
f3253339 | 1198 | static int bond_option_all_slaves_active_set(struct bonding *bond, |
28f084cc | 1199 | const struct bond_opt_value *newval) |
1cc0b1e3 | 1200 | { |
1201 | struct list_head *iter; | |
1202 | struct slave *slave; | |
1203 | ||
3df01162 | 1204 | if (newval->value == bond->params.all_slaves_active) |
1cc0b1e3 | 1205 | return 0; |
3df01162 | 1206 | bond->params.all_slaves_active = newval->value; |
1cc0b1e3 | 1207 | bond_for_each_slave(bond, slave, iter) { |
1208 | if (!bond_is_active_slave(slave)) { | |
3df01162 | 1209 | if (newval->value) |
1cc0b1e3 | 1210 | slave->inactive = 0; |
1211 | else | |
1212 | slave->inactive = 1; | |
1213 | } | |
1214 | } | |
1215 | ||
1216 | return 0; | |
1217 | } | |
7d101008 | 1218 | |
f3253339 | 1219 | static int bond_option_min_links_set(struct bonding *bond, |
28f084cc | 1220 | const struct bond_opt_value *newval) |
7d101008 | 1221 | { |
2de390ba VF |
1222 | netdev_info(bond->dev, "Setting min links value to %llu\n", |
1223 | newval->value); | |
633ddc9e | 1224 | bond->params.min_links = newval->value; |
2477bc9a | 1225 | bond_set_carrier(bond); |
7d101008 | 1226 | |
1227 | return 0; | |
1228 | } | |
8d836d09 | 1229 | |
f3253339 | 1230 | static int bond_option_lp_interval_set(struct bonding *bond, |
28f084cc | 1231 | const struct bond_opt_value *newval) |
8d836d09 | 1232 | { |
4325b374 | 1233 | bond->params.lp_interval = newval->value; |
8d836d09 | 1234 | |
1235 | return 0; | |
1236 | } | |
c13ab3ff | 1237 | |
f3253339 | 1238 | static int bond_option_pps_set(struct bonding *bond, |
28f084cc | 1239 | const struct bond_opt_value *newval) |
c13ab3ff | 1240 | { |
aa59d851 NA |
1241 | bond->params.packets_per_slave = newval->value; |
1242 | if (newval->value > 0) { | |
809fa972 | 1243 | bond->params.reciprocal_packets_per_slave = |
aa59d851 | 1244 | reciprocal_value(newval->value); |
809fa972 HFS |
1245 | } else { |
1246 | /* reciprocal_packets_per_slave is unused if | |
1247 | * packets_per_slave is 0 or 1, just initialize it | |
1248 | */ | |
1249 | bond->params.reciprocal_packets_per_slave = | |
1250 | (struct reciprocal_value) { 0 }; | |
1251 | } | |
c13ab3ff | 1252 | |
1253 | return 0; | |
1254 | } | |
998e40bb | 1255 | |
f3253339 | 1256 | static int bond_option_lacp_rate_set(struct bonding *bond, |
28f084cc | 1257 | const struct bond_opt_value *newval) |
998e40bb | 1258 | { |
2de390ba VF |
1259 | netdev_info(bond->dev, "Setting LACP rate to %s (%llu)\n", |
1260 | newval->string, newval->value); | |
d3131de7 | 1261 | bond->params.lacp_fast = newval->value; |
3243c47b | 1262 | bond_3ad_update_lacp_rate(bond); |
998e40bb | 1263 | |
1264 | return 0; | |
1265 | } | |
ec029fac | 1266 | |
f3253339 | 1267 | static int bond_option_ad_select_set(struct bonding *bond, |
28f084cc | 1268 | const struct bond_opt_value *newval) |
ec029fac | 1269 | { |
2de390ba VF |
1270 | netdev_info(bond->dev, "Setting ad_select to %s (%llu)\n", |
1271 | newval->string, newval->value); | |
9e5f5eeb | 1272 | bond->params.ad_select = newval->value; |
ec029fac | 1273 | |
1274 | return 0; | |
1275 | } | |
24089ba1 | 1276 | |
f3253339 | 1277 | static int bond_option_queue_id_set(struct bonding *bond, |
28f084cc | 1278 | const struct bond_opt_value *newval) |
24089ba1 NA |
1279 | { |
1280 | struct slave *slave, *update_slave; | |
1281 | struct net_device *sdev; | |
1282 | struct list_head *iter; | |
1283 | char *delim; | |
1284 | int ret = 0; | |
1285 | u16 qid; | |
1286 | ||
1287 | /* delim will point to queue id if successful */ | |
1288 | delim = strchr(newval->string, ':'); | |
1289 | if (!delim) | |
1290 | goto err_no_cmd; | |
1291 | ||
1292 | /* Terminate string that points to device name and bump it | |
1293 | * up one, so we can read the queue id there. | |
1294 | */ | |
1295 | *delim = '\0'; | |
1296 | if (sscanf(++delim, "%hd\n", &qid) != 1) | |
1297 | goto err_no_cmd; | |
1298 | ||
1299 | /* Check buffer length, valid ifname and queue id */ | |
c313c89e | 1300 | if (!dev_valid_name(newval->string) || |
24089ba1 NA |
1301 | qid > bond->dev->real_num_tx_queues) |
1302 | goto err_no_cmd; | |
1303 | ||
1304 | /* Get the pointer to that interface if it exists */ | |
1305 | sdev = __dev_get_by_name(dev_net(bond->dev), newval->string); | |
1306 | if (!sdev) | |
1307 | goto err_no_cmd; | |
1308 | ||
1309 | /* Search for thes slave and check for duplicate qids */ | |
1310 | update_slave = NULL; | |
1311 | bond_for_each_slave(bond, slave, iter) { | |
1312 | if (sdev == slave->dev) | |
1313 | /* We don't need to check the matching | |
1314 | * slave for dups, since we're overwriting it | |
1315 | */ | |
1316 | update_slave = slave; | |
1317 | else if (qid && qid == slave->queue_id) { | |
1318 | goto err_no_cmd; | |
1319 | } | |
1320 | } | |
1321 | ||
1322 | if (!update_slave) | |
1323 | goto err_no_cmd; | |
1324 | ||
1325 | /* Actually set the qids for the slave */ | |
1326 | update_slave->queue_id = qid; | |
1327 | ||
1328 | out: | |
1329 | return ret; | |
1330 | ||
1331 | err_no_cmd: | |
2de390ba | 1332 | netdev_info(bond->dev, "invalid input for queue_id set\n"); |
24089ba1 NA |
1333 | ret = -EPERM; |
1334 | goto out; | |
1335 | ||
1336 | } | |
0e2e5b66 | 1337 | |
f3253339 | 1338 | static int bond_option_slaves_set(struct bonding *bond, |
28f084cc | 1339 | const struct bond_opt_value *newval) |
0e2e5b66 NA |
1340 | { |
1341 | char command[IFNAMSIZ + 1] = { 0, }; | |
1342 | struct net_device *dev; | |
1343 | char *ifname; | |
1344 | int ret; | |
1345 | ||
1346 | sscanf(newval->string, "%16s", command); /* IFNAMSIZ*/ | |
1347 | ifname = command + 1; | |
1348 | if ((strlen(command) <= 1) || | |
1349 | !dev_valid_name(ifname)) | |
1350 | goto err_no_cmd; | |
1351 | ||
1352 | dev = __dev_get_by_name(dev_net(bond->dev), ifname); | |
1353 | if (!dev) { | |
2de390ba VF |
1354 | netdev_info(bond->dev, "interface %s does not exist!\n", |
1355 | ifname); | |
0e2e5b66 NA |
1356 | ret = -ENODEV; |
1357 | goto out; | |
1358 | } | |
1359 | ||
1360 | switch (command[0]) { | |
1361 | case '+': | |
2de390ba | 1362 | netdev_info(bond->dev, "Adding slave %s\n", dev->name); |
0e2e5b66 NA |
1363 | ret = bond_enslave(bond->dev, dev); |
1364 | break; | |
1365 | ||
1366 | case '-': | |
2de390ba | 1367 | netdev_info(bond->dev, "Removing slave %s\n", dev->name); |
0e2e5b66 NA |
1368 | ret = bond_release(bond->dev, dev); |
1369 | break; | |
1370 | ||
1371 | default: | |
1372 | goto err_no_cmd; | |
1373 | } | |
1374 | ||
1375 | out: | |
1376 | return ret; | |
1377 | ||
1378 | err_no_cmd: | |
2de390ba | 1379 | netdev_err(bond->dev, "no command found in slaves file - use +ifname or -ifname\n"); |
0e2e5b66 NA |
1380 | ret = -EPERM; |
1381 | goto out; | |
1382 | } | |
e9f0fb88 MB |
1383 | |
1384 | static int bond_option_tlb_dynamic_lb_set(struct bonding *bond, | |
1385 | const struct bond_opt_value *newval) | |
1386 | { | |
2de390ba VF |
1387 | netdev_info(bond->dev, "Setting dynamic-lb to %s (%llu)\n", |
1388 | newval->string, newval->value); | |
e9f0fb88 MB |
1389 | bond->params.tlb_dynamic_lb = newval->value; |
1390 | ||
1391 | return 0; | |
1392 | } | |
6791e466 MB |
1393 | |
1394 | static int bond_option_ad_actor_sys_prio_set(struct bonding *bond, | |
1395 | const struct bond_opt_value *newval) | |
1396 | { | |
171a42c3 | 1397 | netdev_info(bond->dev, "Setting ad_actor_sys_prio to %llu\n", |
6791e466 MB |
1398 | newval->value); |
1399 | ||
1400 | bond->params.ad_actor_sys_prio = newval->value; | |
1401 | return 0; | |
1402 | } | |
74514957 MB |
1403 | |
1404 | static int bond_option_ad_actor_system_set(struct bonding *bond, | |
1405 | const struct bond_opt_value *newval) | |
1406 | { | |
1407 | u8 macaddr[ETH_ALEN]; | |
171a42c3 | 1408 | u8 *mac; |
74514957 MB |
1409 | int i; |
1410 | ||
171a42c3 AG |
1411 | if (newval->string) { |
1412 | i = sscanf(newval->string, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", | |
1413 | &macaddr[0], &macaddr[1], &macaddr[2], | |
1414 | &macaddr[3], &macaddr[4], &macaddr[5]); | |
1415 | if (i != ETH_ALEN) | |
1416 | goto err; | |
1417 | mac = macaddr; | |
1418 | } else { | |
1419 | mac = (u8 *)&newval->value; | |
74514957 MB |
1420 | } |
1421 | ||
171a42c3 AG |
1422 | if (!is_valid_ether_addr(mac)) |
1423 | goto err; | |
1424 | ||
1425 | netdev_info(bond->dev, "Setting ad_actor_system to %pM\n", mac); | |
1426 | ether_addr_copy(bond->params.ad_actor_system, mac); | |
74514957 | 1427 | return 0; |
171a42c3 AG |
1428 | |
1429 | err: | |
1430 | netdev_err(bond->dev, "Invalid MAC address.\n"); | |
1431 | return -EINVAL; | |
74514957 | 1432 | } |
d22a5fc0 MB |
1433 | |
1434 | static int bond_option_ad_user_port_key_set(struct bonding *bond, | |
1435 | const struct bond_opt_value *newval) | |
1436 | { | |
171a42c3 | 1437 | netdev_info(bond->dev, "Setting ad_user_port_key to %llu\n", |
d22a5fc0 MB |
1438 | newval->value); |
1439 | ||
1440 | bond->params.ad_user_port_key = newval->value; | |
1441 | return 0; | |
1442 | } |