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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> |
174cd4b1 IM |
19 | #include <linux/sched/signal.h> |
20 | ||
1ef8019b | 21 | #include <net/bonding.h> |
72be35fe | 22 | |
f3253339 | 23 | static int bond_option_active_slave_set(struct bonding *bond, |
28f084cc | 24 | const struct bond_opt_value *newval); |
f3253339 | 25 | static int bond_option_miimon_set(struct bonding *bond, |
28f084cc | 26 | const struct bond_opt_value *newval); |
f3253339 | 27 | static int bond_option_updelay_set(struct bonding *bond, |
28f084cc | 28 | const struct bond_opt_value *newval); |
f3253339 | 29 | static int bond_option_downdelay_set(struct bonding *bond, |
28f084cc | 30 | const struct bond_opt_value *newval); |
f3253339 | 31 | static int bond_option_use_carrier_set(struct bonding *bond, |
28f084cc | 32 | const struct bond_opt_value *newval); |
f3253339 | 33 | static int bond_option_arp_interval_set(struct bonding *bond, |
28f084cc | 34 | const struct bond_opt_value *newval); |
f3253339 | 35 | static int bond_option_arp_ip_target_add(struct bonding *bond, __be32 target); |
36 | static int bond_option_arp_ip_target_rem(struct bonding *bond, __be32 target); | |
37 | static int bond_option_arp_ip_targets_set(struct bonding *bond, | |
28f084cc | 38 | const struct bond_opt_value *newval); |
f3253339 | 39 | static int bond_option_arp_validate_set(struct bonding *bond, |
28f084cc | 40 | const struct bond_opt_value *newval); |
f3253339 | 41 | static int bond_option_arp_all_targets_set(struct bonding *bond, |
28f084cc | 42 | const struct bond_opt_value *newval); |
f3253339 | 43 | static int bond_option_primary_set(struct bonding *bond, |
28f084cc | 44 | const struct bond_opt_value *newval); |
f3253339 | 45 | static int bond_option_primary_reselect_set(struct bonding *bond, |
28f084cc | 46 | const struct bond_opt_value *newval); |
f3253339 | 47 | static int bond_option_fail_over_mac_set(struct bonding *bond, |
28f084cc | 48 | const struct bond_opt_value *newval); |
f3253339 | 49 | static int bond_option_xmit_hash_policy_set(struct bonding *bond, |
28f084cc | 50 | const struct bond_opt_value *newval); |
f3253339 | 51 | static int bond_option_resend_igmp_set(struct bonding *bond, |
28f084cc | 52 | const struct bond_opt_value *newval); |
f3253339 | 53 | static int bond_option_num_peer_notif_set(struct bonding *bond, |
28f084cc | 54 | const struct bond_opt_value *newval); |
f3253339 | 55 | static int bond_option_all_slaves_active_set(struct bonding *bond, |
28f084cc | 56 | const struct bond_opt_value *newval); |
f3253339 | 57 | static int bond_option_min_links_set(struct bonding *bond, |
28f084cc | 58 | const struct bond_opt_value *newval); |
f3253339 | 59 | static int bond_option_lp_interval_set(struct bonding *bond, |
28f084cc | 60 | const struct bond_opt_value *newval); |
f3253339 | 61 | static int bond_option_pps_set(struct bonding *bond, |
28f084cc | 62 | const struct bond_opt_value *newval); |
f3253339 | 63 | static int bond_option_lacp_rate_set(struct bonding *bond, |
28f084cc | 64 | const struct bond_opt_value *newval); |
f3253339 | 65 | static int bond_option_ad_select_set(struct bonding *bond, |
28f084cc | 66 | const struct bond_opt_value *newval); |
f3253339 | 67 | static int bond_option_queue_id_set(struct bonding *bond, |
28f084cc | 68 | const struct bond_opt_value *newval); |
f3253339 | 69 | static int bond_option_mode_set(struct bonding *bond, |
28f084cc | 70 | const struct bond_opt_value *newval); |
f3253339 | 71 | static int bond_option_slaves_set(struct bonding *bond, |
28f084cc | 72 | const struct bond_opt_value *newval); |
e9f0fb88 MB |
73 | static int bond_option_tlb_dynamic_lb_set(struct bonding *bond, |
74 | const struct bond_opt_value *newval); | |
6791e466 MB |
75 | static int bond_option_ad_actor_sys_prio_set(struct bonding *bond, |
76 | const struct bond_opt_value *newval); | |
74514957 MB |
77 | static int bond_option_ad_actor_system_set(struct bonding *bond, |
78 | const struct bond_opt_value *newval); | |
d22a5fc0 MB |
79 | static int bond_option_ad_user_port_key_set(struct bonding *bond, |
80 | const struct bond_opt_value *newval); | |
f3253339 | 81 | |
82 | ||
83 | static const struct bond_opt_value bond_mode_tbl[] = { | |
2b3798d5 NA |
84 | { "balance-rr", BOND_MODE_ROUNDROBIN, BOND_VALFLAG_DEFAULT}, |
85 | { "active-backup", BOND_MODE_ACTIVEBACKUP, 0}, | |
86 | { "balance-xor", BOND_MODE_XOR, 0}, | |
87 | { "broadcast", BOND_MODE_BROADCAST, 0}, | |
88 | { "802.3ad", BOND_MODE_8023AD, 0}, | |
89 | { "balance-tlb", BOND_MODE_TLB, 0}, | |
90 | { "balance-alb", BOND_MODE_ALB, 0}, | |
91 | { NULL, -1, 0}, | |
92 | }; | |
93 | ||
f3253339 | 94 | static const struct bond_opt_value bond_pps_tbl[] = { |
aa59d851 NA |
95 | { "default", 1, BOND_VALFLAG_DEFAULT}, |
96 | { "maxval", USHRT_MAX, BOND_VALFLAG_MAX}, | |
97 | { NULL, -1, 0}, | |
98 | }; | |
99 | ||
f3253339 | 100 | static const struct bond_opt_value bond_xmit_hashtype_tbl[] = { |
a4b32ce7 NA |
101 | { "layer2", BOND_XMIT_POLICY_LAYER2, BOND_VALFLAG_DEFAULT}, |
102 | { "layer3+4", BOND_XMIT_POLICY_LAYER34, 0}, | |
103 | { "layer2+3", BOND_XMIT_POLICY_LAYER23, 0}, | |
104 | { "encap2+3", BOND_XMIT_POLICY_ENCAP23, 0}, | |
105 | { "encap3+4", BOND_XMIT_POLICY_ENCAP34, 0}, | |
106 | { NULL, -1, 0}, | |
107 | }; | |
108 | ||
f3253339 | 109 | static const struct bond_opt_value bond_arp_validate_tbl[] = { |
896149ff VF |
110 | { "none", BOND_ARP_VALIDATE_NONE, BOND_VALFLAG_DEFAULT}, |
111 | { "active", BOND_ARP_VALIDATE_ACTIVE, 0}, | |
112 | { "backup", BOND_ARP_VALIDATE_BACKUP, 0}, | |
113 | { "all", BOND_ARP_VALIDATE_ALL, 0}, | |
114 | { "filter", BOND_ARP_FILTER, 0}, | |
115 | { "filter_active", BOND_ARP_FILTER_ACTIVE, 0}, | |
116 | { "filter_backup", BOND_ARP_FILTER_BACKUP, 0}, | |
117 | { NULL, -1, 0}, | |
16228881 NA |
118 | }; |
119 | ||
f3253339 | 120 | static const struct bond_opt_value bond_arp_all_targets_tbl[] = { |
edf36b24 NA |
121 | { "any", BOND_ARP_TARGETS_ANY, BOND_VALFLAG_DEFAULT}, |
122 | { "all", BOND_ARP_TARGETS_ALL, 0}, | |
123 | { NULL, -1, 0}, | |
124 | }; | |
125 | ||
f3253339 | 126 | static const struct bond_opt_value bond_fail_over_mac_tbl[] = { |
1df6b6aa NA |
127 | { "none", BOND_FOM_NONE, BOND_VALFLAG_DEFAULT}, |
128 | { "active", BOND_FOM_ACTIVE, 0}, | |
129 | { "follow", BOND_FOM_FOLLOW, 0}, | |
130 | { NULL, -1, 0}, | |
131 | }; | |
132 | ||
f3253339 | 133 | static const struct bond_opt_value bond_intmax_tbl[] = { |
7bdb04ed NA |
134 | { "off", 0, BOND_VALFLAG_DEFAULT}, |
135 | { "maxval", INT_MAX, BOND_VALFLAG_MAX}, | |
81c70806 | 136 | { NULL, -1, 0} |
7bdb04ed NA |
137 | }; |
138 | ||
f3253339 | 139 | static const struct bond_opt_value bond_lacp_rate_tbl[] = { |
d3131de7 NA |
140 | { "slow", AD_LACP_SLOW, 0}, |
141 | { "fast", AD_LACP_FAST, 0}, | |
142 | { NULL, -1, 0}, | |
143 | }; | |
144 | ||
f3253339 | 145 | static const struct bond_opt_value bond_ad_select_tbl[] = { |
9e5f5eeb NA |
146 | { "stable", BOND_AD_STABLE, BOND_VALFLAG_DEFAULT}, |
147 | { "bandwidth", BOND_AD_BANDWIDTH, 0}, | |
148 | { "count", BOND_AD_COUNT, 0}, | |
149 | { NULL, -1, 0}, | |
150 | }; | |
151 | ||
f3253339 | 152 | static const struct bond_opt_value bond_num_peer_notif_tbl[] = { |
ef56becb NA |
153 | { "off", 0, 0}, |
154 | { "maxval", 255, BOND_VALFLAG_MAX}, | |
155 | { "default", 1, BOND_VALFLAG_DEFAULT}, | |
156 | { NULL, -1, 0} | |
157 | }; | |
158 | ||
f3253339 | 159 | static const struct bond_opt_value bond_primary_reselect_tbl[] = { |
388d3a6d NA |
160 | { "always", BOND_PRI_RESELECT_ALWAYS, BOND_VALFLAG_DEFAULT}, |
161 | { "better", BOND_PRI_RESELECT_BETTER, 0}, | |
162 | { "failure", BOND_PRI_RESELECT_FAILURE, 0}, | |
163 | { NULL, -1}, | |
164 | }; | |
165 | ||
f3253339 | 166 | static const struct bond_opt_value bond_use_carrier_tbl[] = { |
0fff0608 NA |
167 | { "off", 0, 0}, |
168 | { "on", 1, BOND_VALFLAG_DEFAULT}, | |
169 | { NULL, -1, 0} | |
170 | }; | |
171 | ||
f3253339 | 172 | static const struct bond_opt_value bond_all_slaves_active_tbl[] = { |
3df01162 NA |
173 | { "off", 0, BOND_VALFLAG_DEFAULT}, |
174 | { "on", 1, 0}, | |
175 | { NULL, -1, 0} | |
176 | }; | |
177 | ||
f3253339 | 178 | static const struct bond_opt_value bond_resend_igmp_tbl[] = { |
105c8fb6 NA |
179 | { "off", 0, 0}, |
180 | { "maxval", 255, BOND_VALFLAG_MAX}, | |
181 | { "default", 1, BOND_VALFLAG_DEFAULT}, | |
182 | { NULL, -1, 0} | |
183 | }; | |
184 | ||
f3253339 | 185 | static const struct bond_opt_value bond_lp_interval_tbl[] = { |
4325b374 NA |
186 | { "minval", 1, BOND_VALFLAG_MIN | BOND_VALFLAG_DEFAULT}, |
187 | { "maxval", INT_MAX, BOND_VALFLAG_MAX}, | |
5bd4e4c1 | 188 | { NULL, -1, 0}, |
4325b374 NA |
189 | }; |
190 | ||
e9f0fb88 MB |
191 | static const struct bond_opt_value bond_tlb_dynamic_lb_tbl[] = { |
192 | { "off", 0, 0}, | |
193 | { "on", 1, BOND_VALFLAG_DEFAULT}, | |
194 | { NULL, -1, 0} | |
195 | }; | |
196 | ||
6791e466 MB |
197 | static const struct bond_opt_value bond_ad_actor_sys_prio_tbl[] = { |
198 | { "minval", 1, BOND_VALFLAG_MIN}, | |
199 | { "maxval", 65535, BOND_VALFLAG_MAX | BOND_VALFLAG_DEFAULT}, | |
200 | { NULL, -1, 0}, | |
201 | }; | |
202 | ||
d22a5fc0 MB |
203 | static const struct bond_opt_value bond_ad_user_port_key_tbl[] = { |
204 | { "minval", 0, BOND_VALFLAG_MIN | BOND_VALFLAG_DEFAULT}, | |
205 | { "maxval", 1023, BOND_VALFLAG_MAX}, | |
206 | { NULL, -1, 0}, | |
207 | }; | |
208 | ||
7bfa0145 | 209 | static const struct bond_option bond_opts[BOND_OPT_LAST] = { |
2b3798d5 NA |
210 | [BOND_OPT_MODE] = { |
211 | .id = BOND_OPT_MODE, | |
212 | .name = "mode", | |
213 | .desc = "bond device mode", | |
214 | .flags = BOND_OPTFLAG_NOSLAVES | BOND_OPTFLAG_IFDOWN, | |
215 | .values = bond_mode_tbl, | |
216 | .set = bond_option_mode_set | |
217 | }, | |
aa59d851 NA |
218 | [BOND_OPT_PACKETS_PER_SLAVE] = { |
219 | .id = BOND_OPT_PACKETS_PER_SLAVE, | |
220 | .name = "packets_per_slave", | |
221 | .desc = "Packets to send per slave in RR mode", | |
222 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_ROUNDROBIN)), | |
223 | .values = bond_pps_tbl, | |
224 | .set = bond_option_pps_set | |
225 | }, | |
a4b32ce7 NA |
226 | [BOND_OPT_XMIT_HASH] = { |
227 | .id = BOND_OPT_XMIT_HASH, | |
228 | .name = "xmit_hash_policy", | |
f05b42ea | 229 | .desc = "balance-xor, 802.3ad, and tlb hashing method", |
a4b32ce7 NA |
230 | .values = bond_xmit_hashtype_tbl, |
231 | .set = bond_option_xmit_hash_policy_set | |
232 | }, | |
16228881 NA |
233 | [BOND_OPT_ARP_VALIDATE] = { |
234 | .id = BOND_OPT_ARP_VALIDATE, | |
235 | .name = "arp_validate", | |
236 | .desc = "validate src/dst of ARP probes", | |
13ac34a8 VF |
237 | .unsuppmodes = BIT(BOND_MODE_8023AD) | BIT(BOND_MODE_TLB) | |
238 | BIT(BOND_MODE_ALB), | |
16228881 NA |
239 | .values = bond_arp_validate_tbl, |
240 | .set = bond_option_arp_validate_set | |
241 | }, | |
edf36b24 NA |
242 | [BOND_OPT_ARP_ALL_TARGETS] = { |
243 | .id = BOND_OPT_ARP_ALL_TARGETS, | |
244 | .name = "arp_all_targets", | |
245 | .desc = "fail on any/all arp targets timeout", | |
246 | .values = bond_arp_all_targets_tbl, | |
247 | .set = bond_option_arp_all_targets_set | |
248 | }, | |
1df6b6aa NA |
249 | [BOND_OPT_FAIL_OVER_MAC] = { |
250 | .id = BOND_OPT_FAIL_OVER_MAC, | |
251 | .name = "fail_over_mac", | |
252 | .desc = "For active-backup, do not set all slaves to the same MAC", | |
253 | .flags = BOND_OPTFLAG_NOSLAVES, | |
254 | .values = bond_fail_over_mac_tbl, | |
255 | .set = bond_option_fail_over_mac_set | |
256 | }, | |
7bdb04ed NA |
257 | [BOND_OPT_ARP_INTERVAL] = { |
258 | .id = BOND_OPT_ARP_INTERVAL, | |
259 | .name = "arp_interval", | |
260 | .desc = "arp interval in milliseconds", | |
261 | .unsuppmodes = BIT(BOND_MODE_8023AD) | BIT(BOND_MODE_TLB) | | |
262 | BIT(BOND_MODE_ALB), | |
263 | .values = bond_intmax_tbl, | |
264 | .set = bond_option_arp_interval_set | |
265 | }, | |
4fb0ef58 NA |
266 | [BOND_OPT_ARP_TARGETS] = { |
267 | .id = BOND_OPT_ARP_TARGETS, | |
268 | .name = "arp_ip_target", | |
269 | .desc = "arp targets in n.n.n.n form", | |
270 | .flags = BOND_OPTFLAG_RAWVAL, | |
271 | .set = bond_option_arp_ip_targets_set | |
272 | }, | |
25a9b54a NA |
273 | [BOND_OPT_DOWNDELAY] = { |
274 | .id = BOND_OPT_DOWNDELAY, | |
275 | .name = "downdelay", | |
276 | .desc = "Delay before considering link down, in milliseconds", | |
277 | .values = bond_intmax_tbl, | |
278 | .set = bond_option_downdelay_set | |
279 | }, | |
e4994612 NA |
280 | [BOND_OPT_UPDELAY] = { |
281 | .id = BOND_OPT_UPDELAY, | |
282 | .name = "updelay", | |
283 | .desc = "Delay before considering link up, in milliseconds", | |
284 | .values = bond_intmax_tbl, | |
285 | .set = bond_option_updelay_set | |
286 | }, | |
d3131de7 NA |
287 | [BOND_OPT_LACP_RATE] = { |
288 | .id = BOND_OPT_LACP_RATE, | |
289 | .name = "lacp_rate", | |
290 | .desc = "LACPDU tx rate to request from 802.3ad partner", | |
291 | .flags = BOND_OPTFLAG_IFDOWN, | |
292 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)), | |
293 | .values = bond_lacp_rate_tbl, | |
294 | .set = bond_option_lacp_rate_set | |
295 | }, | |
633ddc9e NA |
296 | [BOND_OPT_MINLINKS] = { |
297 | .id = BOND_OPT_MINLINKS, | |
298 | .name = "min_links", | |
299 | .desc = "Minimum number of available links before turning on carrier", | |
300 | .values = bond_intmax_tbl, | |
301 | .set = bond_option_min_links_set | |
302 | }, | |
9e5f5eeb NA |
303 | [BOND_OPT_AD_SELECT] = { |
304 | .id = BOND_OPT_AD_SELECT, | |
305 | .name = "ad_select", | |
306 | .desc = "803.ad aggregation selection logic", | |
307 | .flags = BOND_OPTFLAG_IFDOWN, | |
308 | .values = bond_ad_select_tbl, | |
309 | .set = bond_option_ad_select_set | |
310 | }, | |
ef56becb NA |
311 | [BOND_OPT_NUM_PEER_NOTIF] = { |
312 | .id = BOND_OPT_NUM_PEER_NOTIF, | |
313 | .name = "num_unsol_na", | |
314 | .desc = "Number of peer notifications to send on failover event", | |
315 | .values = bond_num_peer_notif_tbl, | |
316 | .set = bond_option_num_peer_notif_set | |
317 | }, | |
b98d9c66 NA |
318 | [BOND_OPT_MIIMON] = { |
319 | .id = BOND_OPT_MIIMON, | |
320 | .name = "miimon", | |
321 | .desc = "Link check interval in milliseconds", | |
322 | .values = bond_intmax_tbl, | |
323 | .set = bond_option_miimon_set | |
324 | }, | |
180222f0 NA |
325 | [BOND_OPT_PRIMARY] = { |
326 | .id = BOND_OPT_PRIMARY, | |
327 | .name = "primary", | |
328 | .desc = "Primary network device to use", | |
329 | .flags = BOND_OPTFLAG_RAWVAL, | |
330 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_ACTIVEBACKUP) | | |
331 | BIT(BOND_MODE_TLB) | | |
332 | BIT(BOND_MODE_ALB)), | |
333 | .set = bond_option_primary_set | |
334 | }, | |
388d3a6d NA |
335 | [BOND_OPT_PRIMARY_RESELECT] = { |
336 | .id = BOND_OPT_PRIMARY_RESELECT, | |
337 | .name = "primary_reselect", | |
338 | .desc = "Reselect primary slave once it comes up", | |
339 | .values = bond_primary_reselect_tbl, | |
340 | .set = bond_option_primary_reselect_set | |
341 | }, | |
0fff0608 NA |
342 | [BOND_OPT_USE_CARRIER] = { |
343 | .id = BOND_OPT_USE_CARRIER, | |
344 | .name = "use_carrier", | |
345 | .desc = "Use netif_carrier_ok (vs MII ioctls) in miimon", | |
346 | .values = bond_use_carrier_tbl, | |
347 | .set = bond_option_use_carrier_set | |
348 | }, | |
d1fbd3ed NA |
349 | [BOND_OPT_ACTIVE_SLAVE] = { |
350 | .id = BOND_OPT_ACTIVE_SLAVE, | |
351 | .name = "active_slave", | |
352 | .desc = "Currently active slave", | |
353 | .flags = BOND_OPTFLAG_RAWVAL, | |
354 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_ACTIVEBACKUP) | | |
355 | BIT(BOND_MODE_TLB) | | |
356 | BIT(BOND_MODE_ALB)), | |
357 | .set = bond_option_active_slave_set | |
358 | }, | |
24089ba1 NA |
359 | [BOND_OPT_QUEUE_ID] = { |
360 | .id = BOND_OPT_QUEUE_ID, | |
361 | .name = "queue_id", | |
362 | .desc = "Set queue id of a slave", | |
363 | .flags = BOND_OPTFLAG_RAWVAL, | |
364 | .set = bond_option_queue_id_set | |
365 | }, | |
3df01162 NA |
366 | [BOND_OPT_ALL_SLAVES_ACTIVE] = { |
367 | .id = BOND_OPT_ALL_SLAVES_ACTIVE, | |
368 | .name = "all_slaves_active", | |
369 | .desc = "Keep all frames received on an interface by setting active flag for all slaves", | |
370 | .values = bond_all_slaves_active_tbl, | |
371 | .set = bond_option_all_slaves_active_set | |
372 | }, | |
105c8fb6 NA |
373 | [BOND_OPT_RESEND_IGMP] = { |
374 | .id = BOND_OPT_RESEND_IGMP, | |
375 | .name = "resend_igmp", | |
376 | .desc = "Number of IGMP membership reports to send on link failure", | |
377 | .values = bond_resend_igmp_tbl, | |
378 | .set = bond_option_resend_igmp_set | |
379 | }, | |
4325b374 NA |
380 | [BOND_OPT_LP_INTERVAL] = { |
381 | .id = BOND_OPT_LP_INTERVAL, | |
382 | .name = "lp_interval", | |
383 | .desc = "The number of seconds between instances where the bonding driver sends learning packets to each slave's peer switch", | |
384 | .values = bond_lp_interval_tbl, | |
385 | .set = bond_option_lp_interval_set | |
386 | }, | |
0e2e5b66 NA |
387 | [BOND_OPT_SLAVES] = { |
388 | .id = BOND_OPT_SLAVES, | |
389 | .name = "slaves", | |
390 | .desc = "Slave membership management", | |
391 | .flags = BOND_OPTFLAG_RAWVAL, | |
392 | .set = bond_option_slaves_set | |
393 | }, | |
e9f0fb88 MB |
394 | [BOND_OPT_TLB_DYNAMIC_LB] = { |
395 | .id = BOND_OPT_TLB_DYNAMIC_LB, | |
dc3e5d18 | 396 | .name = "tlb_dynamic_lb", |
e9f0fb88 MB |
397 | .desc = "Enable dynamic flow shuffling", |
398 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_TLB)), | |
399 | .values = bond_tlb_dynamic_lb_tbl, | |
400 | .flags = BOND_OPTFLAG_IFDOWN, | |
401 | .set = bond_option_tlb_dynamic_lb_set, | |
6791e466 MB |
402 | }, |
403 | [BOND_OPT_AD_ACTOR_SYS_PRIO] = { | |
404 | .id = BOND_OPT_AD_ACTOR_SYS_PRIO, | |
405 | .name = "ad_actor_sys_prio", | |
406 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)), | |
6791e466 MB |
407 | .values = bond_ad_actor_sys_prio_tbl, |
408 | .set = bond_option_ad_actor_sys_prio_set, | |
409 | }, | |
74514957 MB |
410 | [BOND_OPT_AD_ACTOR_SYSTEM] = { |
411 | .id = BOND_OPT_AD_ACTOR_SYSTEM, | |
412 | .name = "ad_actor_system", | |
413 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)), | |
7f20cd25 | 414 | .flags = BOND_OPTFLAG_RAWVAL, |
74514957 MB |
415 | .set = bond_option_ad_actor_system_set, |
416 | }, | |
d22a5fc0 MB |
417 | [BOND_OPT_AD_USER_PORT_KEY] = { |
418 | .id = BOND_OPT_AD_USER_PORT_KEY, | |
419 | .name = "ad_user_port_key", | |
420 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)), | |
421 | .flags = BOND_OPTFLAG_IFDOWN, | |
422 | .values = bond_ad_user_port_key_tbl, | |
423 | .set = bond_option_ad_user_port_key_set, | |
205845a3 NA |
424 | }, |
425 | [BOND_OPT_NUM_PEER_NOTIF_ALIAS] = { | |
426 | .id = BOND_OPT_NUM_PEER_NOTIF_ALIAS, | |
427 | .name = "num_grat_arp", | |
428 | .desc = "Number of peer notifications to send on failover event", | |
429 | .values = bond_num_peer_notif_tbl, | |
430 | .set = bond_option_num_peer_notif_set | |
d22a5fc0 | 431 | } |
09117362 NA |
432 | }; |
433 | ||
dc3e5d18 NA |
434 | /* Searches for an option by name */ |
435 | const struct bond_option *bond_opt_get_by_name(const char *name) | |
436 | { | |
437 | const struct bond_option *opt; | |
438 | int option; | |
439 | ||
440 | for (option = 0; option < BOND_OPT_LAST; option++) { | |
441 | opt = bond_opt_get(option); | |
442 | if (opt && !strcmp(opt->name, name)) | |
443 | return opt; | |
444 | } | |
445 | ||
446 | return NULL; | |
447 | } | |
448 | ||
09117362 | 449 | /* Searches for a value in opt's values[] table */ |
f3253339 | 450 | const struct bond_opt_value *bond_opt_get_val(unsigned int option, u64 val) |
09117362 | 451 | { |
f3253339 | 452 | const struct bond_option *opt; |
09117362 NA |
453 | int i; |
454 | ||
455 | opt = bond_opt_get(option); | |
456 | if (WARN_ON(!opt)) | |
457 | return NULL; | |
458 | for (i = 0; opt->values && opt->values[i].string; i++) | |
459 | if (opt->values[i].value == val) | |
460 | return &opt->values[i]; | |
461 | ||
462 | return NULL; | |
463 | } | |
464 | ||
465 | /* Searches for a value in opt's values[] table which matches the flagmask */ | |
f3253339 | 466 | static const struct bond_opt_value *bond_opt_get_flags(const struct bond_option *opt, |
eac306b4 | 467 | u32 flagmask) |
09117362 NA |
468 | { |
469 | int i; | |
470 | ||
471 | for (i = 0; opt->values && opt->values[i].string; i++) | |
472 | if (opt->values[i].flags & flagmask) | |
473 | return &opt->values[i]; | |
474 | ||
475 | return NULL; | |
476 | } | |
477 | ||
478 | /* If maxval is missing then there's no range to check. In case minval is | |
479 | * missing then it's considered to be 0. | |
480 | */ | |
481 | static bool bond_opt_check_range(const struct bond_option *opt, u64 val) | |
482 | { | |
f3253339 | 483 | const struct bond_opt_value *minval, *maxval; |
09117362 NA |
484 | |
485 | minval = bond_opt_get_flags(opt, BOND_VALFLAG_MIN); | |
486 | maxval = bond_opt_get_flags(opt, BOND_VALFLAG_MAX); | |
487 | if (!maxval || (minval && val < minval->value) || val > maxval->value) | |
488 | return false; | |
489 | ||
490 | return true; | |
491 | } | |
492 | ||
493 | /** | |
494 | * bond_opt_parse - parse option value | |
495 | * @opt: the option to parse against | |
496 | * @val: value to parse | |
497 | * | |
498 | * This function tries to extract the value from @val and check if it's | |
499 | * a possible match for the option and returns NULL if a match isn't found, | |
500 | * or the struct_opt_value that matched. It also strips the new line from | |
501 | * @val->string if it's present. | |
502 | */ | |
f3253339 | 503 | const struct bond_opt_value *bond_opt_parse(const struct bond_option *opt, |
504 | struct bond_opt_value *val) | |
09117362 NA |
505 | { |
506 | char *p, valstr[BOND_OPT_MAX_NAMELEN + 1] = { 0, }; | |
f3253339 | 507 | const struct bond_opt_value *tbl; |
508 | const struct bond_opt_value *ret = NULL; | |
09117362 NA |
509 | bool checkval; |
510 | int i, rv; | |
511 | ||
512 | /* No parsing if the option wants a raw val */ | |
513 | if (opt->flags & BOND_OPTFLAG_RAWVAL) | |
514 | return val; | |
515 | ||
516 | tbl = opt->values; | |
517 | if (!tbl) | |
518 | goto out; | |
519 | ||
520 | /* ULLONG_MAX is used to bypass string processing */ | |
521 | checkval = val->value != ULLONG_MAX; | |
522 | if (!checkval) { | |
523 | if (!val->string) | |
524 | goto out; | |
525 | p = strchr(val->string, '\n'); | |
526 | if (p) | |
527 | *p = '\0'; | |
528 | for (p = val->string; *p; p++) | |
529 | if (!(isdigit(*p) || isspace(*p))) | |
530 | break; | |
531 | /* The following code extracts the string to match or the value | |
532 | * and sets checkval appropriately | |
533 | */ | |
534 | if (*p) { | |
535 | rv = sscanf(val->string, "%32s", valstr); | |
536 | } else { | |
537 | rv = sscanf(val->string, "%llu", &val->value); | |
538 | checkval = true; | |
539 | } | |
540 | if (!rv) | |
541 | goto out; | |
542 | } | |
543 | ||
544 | for (i = 0; tbl[i].string; i++) { | |
545 | /* Check for exact match */ | |
546 | if (checkval) { | |
547 | if (val->value == tbl[i].value) | |
548 | ret = &tbl[i]; | |
549 | } else { | |
550 | if (!strcmp(valstr, "default") && | |
551 | (tbl[i].flags & BOND_VALFLAG_DEFAULT)) | |
552 | ret = &tbl[i]; | |
553 | ||
554 | if (!strcmp(valstr, tbl[i].string)) | |
555 | ret = &tbl[i]; | |
556 | } | |
557 | /* Found an exact match */ | |
558 | if (ret) | |
559 | goto out; | |
560 | } | |
561 | /* Possible range match */ | |
562 | if (checkval && bond_opt_check_range(opt, val->value)) | |
563 | ret = val; | |
564 | out: | |
565 | return ret; | |
566 | } | |
567 | ||
568 | /* Check opt's dependencies against bond mode and currently set options */ | |
569 | static int bond_opt_check_deps(struct bonding *bond, | |
570 | const struct bond_option *opt) | |
571 | { | |
572 | struct bond_params *params = &bond->params; | |
573 | ||
574 | if (test_bit(params->mode, &opt->unsuppmodes)) | |
575 | return -EACCES; | |
576 | if ((opt->flags & BOND_OPTFLAG_NOSLAVES) && bond_has_slaves(bond)) | |
577 | return -ENOTEMPTY; | |
578 | if ((opt->flags & BOND_OPTFLAG_IFDOWN) && (bond->dev->flags & IFF_UP)) | |
579 | return -EBUSY; | |
580 | ||
581 | return 0; | |
582 | } | |
583 | ||
584 | static void bond_opt_dep_print(struct bonding *bond, | |
585 | const struct bond_option *opt) | |
586 | { | |
28f084cc | 587 | const struct bond_opt_value *modeval; |
09117362 NA |
588 | struct bond_params *params; |
589 | ||
590 | params = &bond->params; | |
2b3798d5 | 591 | modeval = bond_opt_get_val(BOND_OPT_MODE, params->mode); |
09117362 | 592 | if (test_bit(params->mode, &opt->unsuppmodes)) |
2de390ba VF |
593 | netdev_err(bond->dev, "option %s: mode dependency failed, not supported in mode %s(%llu)\n", |
594 | opt->name, modeval->string, modeval->value); | |
09117362 NA |
595 | } |
596 | ||
597 | static void bond_opt_error_interpret(struct bonding *bond, | |
598 | const struct bond_option *opt, | |
28f084cc | 599 | int error, const struct bond_opt_value *val) |
09117362 | 600 | { |
28f084cc | 601 | const struct bond_opt_value *minval, *maxval; |
09117362 NA |
602 | char *p; |
603 | ||
604 | switch (error) { | |
605 | case -EINVAL: | |
606 | if (val) { | |
607 | if (val->string) { | |
608 | /* sometimes RAWVAL opts may have new lines */ | |
609 | p = strchr(val->string, '\n'); | |
610 | if (p) | |
611 | *p = '\0'; | |
2de390ba VF |
612 | netdev_err(bond->dev, "option %s: invalid value (%s)\n", |
613 | opt->name, val->string); | |
09117362 | 614 | } else { |
2de390ba VF |
615 | netdev_err(bond->dev, "option %s: invalid value (%llu)\n", |
616 | opt->name, val->value); | |
09117362 NA |
617 | } |
618 | } | |
619 | minval = bond_opt_get_flags(opt, BOND_VALFLAG_MIN); | |
620 | maxval = bond_opt_get_flags(opt, BOND_VALFLAG_MAX); | |
621 | if (!maxval) | |
622 | break; | |
2de390ba VF |
623 | netdev_err(bond->dev, "option %s: allowed values %llu - %llu\n", |
624 | opt->name, minval ? minval->value : 0, maxval->value); | |
09117362 NA |
625 | break; |
626 | case -EACCES: | |
627 | bond_opt_dep_print(bond, opt); | |
628 | break; | |
629 | case -ENOTEMPTY: | |
2de390ba VF |
630 | netdev_err(bond->dev, "option %s: unable to set because the bond device has slaves\n", |
631 | opt->name); | |
09117362 NA |
632 | break; |
633 | case -EBUSY: | |
2de390ba VF |
634 | netdev_err(bond->dev, "option %s: unable to set because the bond device is up\n", |
635 | opt->name); | |
09117362 NA |
636 | break; |
637 | default: | |
638 | break; | |
639 | } | |
640 | } | |
641 | ||
642 | /** | |
643 | * __bond_opt_set - set a bonding option | |
644 | * @bond: target bond device | |
645 | * @option: option to set | |
646 | * @val: value to set it to | |
647 | * | |
648 | * This function is used to change the bond's option value, it can be | |
649 | * used for both enabling/changing an option and for disabling it. RTNL lock | |
650 | * must be obtained before calling this function. | |
651 | */ | |
652 | int __bond_opt_set(struct bonding *bond, | |
653 | unsigned int option, struct bond_opt_value *val) | |
654 | { | |
28f084cc | 655 | const struct bond_opt_value *retval = NULL; |
09117362 NA |
656 | const struct bond_option *opt; |
657 | int ret = -ENOENT; | |
658 | ||
659 | ASSERT_RTNL(); | |
660 | ||
661 | opt = bond_opt_get(option); | |
662 | if (WARN_ON(!val) || WARN_ON(!opt)) | |
663 | goto out; | |
664 | ret = bond_opt_check_deps(bond, opt); | |
665 | if (ret) | |
666 | goto out; | |
667 | retval = bond_opt_parse(opt, val); | |
668 | if (!retval) { | |
669 | ret = -EINVAL; | |
670 | goto out; | |
671 | } | |
672 | ret = opt->set(bond, retval); | |
673 | out: | |
674 | if (ret) | |
675 | bond_opt_error_interpret(bond, opt, ret, val); | |
7a7e96e0 VY |
676 | |
677 | return ret; | |
678 | } | |
679 | /** | |
680 | * __bond_opt_set_notify - set a bonding option | |
681 | * @bond: target bond device | |
682 | * @option: option to set | |
683 | * @val: value to set it to | |
684 | * | |
685 | * This function is used to change the bond's option value and trigger | |
686 | * a notification to user sapce. It can be used for both enabling/changing | |
687 | * an option and for disabling it. RTNL lock must be obtained before calling | |
688 | * this function. | |
689 | */ | |
690 | int __bond_opt_set_notify(struct bonding *bond, | |
691 | unsigned int option, struct bond_opt_value *val) | |
692 | { | |
693 | int ret = -ENOENT; | |
694 | ||
695 | ASSERT_RTNL(); | |
696 | ||
697 | ret = __bond_opt_set(bond, option, val); | |
698 | ||
699 | if (!ret && (bond->dev->reg_state == NETREG_REGISTERED)) | |
d4261e56 | 700 | call_netdevice_notifiers(NETDEV_CHANGEINFODATA, bond->dev); |
09117362 NA |
701 | |
702 | return ret; | |
703 | } | |
704 | ||
705 | /** | |
706 | * bond_opt_tryset_rtnl - try to acquire rtnl and call __bond_opt_set | |
707 | * @bond: target bond device | |
708 | * @option: option to set | |
709 | * @buf: value to set it to | |
710 | * | |
711 | * This function tries to acquire RTNL without blocking and if successful | |
712 | * calls __bond_opt_set. It is mainly used for sysfs option manipulation. | |
713 | */ | |
714 | int bond_opt_tryset_rtnl(struct bonding *bond, unsigned int option, char *buf) | |
715 | { | |
716 | struct bond_opt_value optval; | |
717 | int ret; | |
718 | ||
719 | if (!rtnl_trylock()) | |
720 | return restart_syscall(); | |
721 | bond_opt_initstr(&optval, buf); | |
7a7e96e0 | 722 | ret = __bond_opt_set_notify(bond, option, &optval); |
09117362 NA |
723 | rtnl_unlock(); |
724 | ||
725 | return ret; | |
726 | } | |
727 | ||
728 | /** | |
729 | * bond_opt_get - get a pointer to an option | |
730 | * @option: option for which to return a pointer | |
731 | * | |
732 | * This function checks if option is valid and if so returns a pointer | |
733 | * to its entry in the bond_opts[] option array. | |
734 | */ | |
f3253339 | 735 | const struct bond_option *bond_opt_get(unsigned int option) |
09117362 NA |
736 | { |
737 | if (!BOND_OPT_VALID(option)) | |
738 | return NULL; | |
739 | ||
740 | return &bond_opts[option]; | |
741 | } | |
742 | ||
ff11d8b2 NA |
743 | static int bond_option_mode_set(struct bonding *bond, |
744 | const struct bond_opt_value *newval) | |
72be35fe | 745 | { |
9d9fef77 JW |
746 | if (!bond_mode_uses_arp(newval->value)) { |
747 | if (bond->params.arp_interval) { | |
748 | netdev_dbg(bond->dev, "%s mode is incompatible with arp monitoring, start mii monitoring\n", | |
749 | newval->string); | |
750 | /* disable arp monitoring */ | |
751 | bond->params.arp_interval = 0; | |
752 | } | |
753 | ||
754 | if (!bond->params.miimon) { | |
755 | /* set miimon to default value */ | |
756 | bond->params.miimon = BOND_DEFAULT_MIIMON; | |
757 | netdev_dbg(bond->dev, "Setting MII monitoring interval to %d\n", | |
758 | bond->params.miimon); | |
759 | } | |
72be35fe JP |
760 | } |
761 | ||
c6644d07 KT |
762 | if (newval->value == BOND_MODE_ALB) |
763 | bond->params.tlb_dynamic_lb = 1; | |
764 | ||
72be35fe JP |
765 | /* don't cache arp_validate between modes */ |
766 | bond->params.arp_validate = BOND_ARP_VALIDATE_NONE; | |
2b3798d5 NA |
767 | bond->params.mode = newval->value; |
768 | ||
72be35fe JP |
769 | return 0; |
770 | } | |
d9e32b21 | 771 | |
f3253339 | 772 | static int bond_option_active_slave_set(struct bonding *bond, |
28f084cc | 773 | const struct bond_opt_value *newval) |
d9e32b21 | 774 | { |
d1fbd3ed NA |
775 | char ifname[IFNAMSIZ] = { 0, }; |
776 | struct net_device *slave_dev; | |
d9e32b21 JP |
777 | int ret = 0; |
778 | ||
d1fbd3ed NA |
779 | sscanf(newval->string, "%15s", ifname); /* IFNAMSIZ */ |
780 | if (!strlen(ifname) || newval->string[0] == '\n') { | |
781 | slave_dev = NULL; | |
782 | } else { | |
783 | slave_dev = __dev_get_by_name(dev_net(bond->dev), ifname); | |
784 | if (!slave_dev) | |
785 | return -ENODEV; | |
786 | } | |
787 | ||
d9e32b21 JP |
788 | if (slave_dev) { |
789 | if (!netif_is_bond_slave(slave_dev)) { | |
2de390ba VF |
790 | netdev_err(bond->dev, "Device %s is not bonding slave\n", |
791 | slave_dev->name); | |
d9e32b21 JP |
792 | return -EINVAL; |
793 | } | |
794 | ||
795 | if (bond->dev != netdev_master_upper_dev_get(slave_dev)) { | |
2de390ba VF |
796 | netdev_err(bond->dev, "Device %s is not our slave\n", |
797 | slave_dev->name); | |
d9e32b21 JP |
798 | return -EINVAL; |
799 | } | |
800 | } | |
801 | ||
d9e32b21 | 802 | block_netpoll_tx(); |
d9e32b21 JP |
803 | /* check to see if we are clearing active */ |
804 | if (!slave_dev) { | |
eac306b4 | 805 | netdev_dbg(bond->dev, "Clearing current active slave\n"); |
8800a244 | 806 | RCU_INIT_POINTER(bond->curr_active_slave, NULL); |
d9e32b21 JP |
807 | bond_select_active_slave(bond); |
808 | } else { | |
1c72cfdc | 809 | struct slave *old_active = rtnl_dereference(bond->curr_active_slave); |
d9e32b21 JP |
810 | struct slave *new_active = bond_slave_get_rtnl(slave_dev); |
811 | ||
812 | BUG_ON(!new_active); | |
813 | ||
814 | if (new_active == old_active) { | |
815 | /* do nothing */ | |
eac306b4 MD |
816 | netdev_dbg(bond->dev, "%s is already the current active slave\n", |
817 | new_active->dev->name); | |
d9e32b21 JP |
818 | } else { |
819 | if (old_active && (new_active->link == BOND_LINK_UP) && | |
b6adc610 | 820 | bond_slave_is_up(new_active)) { |
eac306b4 MD |
821 | netdev_dbg(bond->dev, "Setting %s as active slave\n", |
822 | new_active->dev->name); | |
d9e32b21 JP |
823 | bond_change_active_slave(bond, new_active); |
824 | } else { | |
2de390ba VF |
825 | netdev_err(bond->dev, "Could not set %s as active slave; either %s is down or the link is down\n", |
826 | new_active->dev->name, | |
827 | new_active->dev->name); | |
d9e32b21 JP |
828 | ret = -EINVAL; |
829 | } | |
830 | } | |
831 | } | |
d9e32b21 | 832 | unblock_netpoll_tx(); |
d1fbd3ed | 833 | |
d9e32b21 JP |
834 | return ret; |
835 | } | |
eecdaa6e | 836 | |
dc3e5d18 NA |
837 | /* There are two tricky bits here. First, if MII monitoring is activated, then |
838 | * we must disable ARP monitoring. Second, if the timer isn't running, we must | |
839 | * start it. | |
840 | */ | |
f3253339 | 841 | static int bond_option_miimon_set(struct bonding *bond, |
28f084cc | 842 | const struct bond_opt_value *newval) |
eecdaa6e | 843 | { |
eac306b4 MD |
844 | netdev_dbg(bond->dev, "Setting MII monitoring interval to %llu\n", |
845 | newval->value); | |
b98d9c66 | 846 | bond->params.miimon = newval->value; |
eecdaa6e | 847 | if (bond->params.updelay) |
eac306b4 MD |
848 | netdev_dbg(bond->dev, "Note: Updating updelay (to %d) since it is a multiple of the miimon value\n", |
849 | bond->params.updelay * bond->params.miimon); | |
eecdaa6e | 850 | if (bond->params.downdelay) |
eac306b4 MD |
851 | netdev_dbg(bond->dev, "Note: Updating downdelay (to %d) since it is a multiple of the miimon value\n", |
852 | bond->params.downdelay * bond->params.miimon); | |
b98d9c66 | 853 | if (newval->value && bond->params.arp_interval) { |
eac306b4 | 854 | netdev_dbg(bond->dev, "MII monitoring cannot be used with ARP monitoring - disabling ARP monitoring...\n"); |
eecdaa6e | 855 | bond->params.arp_interval = 0; |
856 | if (bond->params.arp_validate) | |
857 | bond->params.arp_validate = BOND_ARP_VALIDATE_NONE; | |
858 | } | |
859 | if (bond->dev->flags & IFF_UP) { | |
860 | /* If the interface is up, we may need to fire off | |
861 | * the MII timer. If the interface is down, the | |
862 | * timer will get fired off when the open function | |
863 | * is called. | |
864 | */ | |
b98d9c66 | 865 | if (!newval->value) { |
eecdaa6e | 866 | cancel_delayed_work_sync(&bond->mii_work); |
867 | } else { | |
868 | cancel_delayed_work_sync(&bond->arp_work); | |
869 | queue_delayed_work(bond->wq, &bond->mii_work, 0); | |
870 | } | |
871 | } | |
b98d9c66 | 872 | |
eecdaa6e | 873 | return 0; |
874 | } | |
25852e29 | 875 | |
dc3e5d18 NA |
876 | /* Set up and down delays. These must be multiples of the |
877 | * MII monitoring value, and are stored internally as the multiplier. | |
878 | * Thus, we must translate to MS for the real world. | |
879 | */ | |
f3253339 | 880 | static int bond_option_updelay_set(struct bonding *bond, |
28f084cc | 881 | const struct bond_opt_value *newval) |
25852e29 | 882 | { |
0681a282 NA |
883 | int value = newval->value; |
884 | ||
e4994612 | 885 | if (!bond->params.miimon) { |
2de390ba | 886 | netdev_err(bond->dev, "Unable to set up delay as MII monitoring is disabled\n"); |
25852e29 | 887 | return -EPERM; |
888 | } | |
0681a282 | 889 | if ((value % bond->params.miimon) != 0) { |
2de390ba VF |
890 | netdev_warn(bond->dev, "up delay (%d) is not a multiple of miimon (%d), updelay rounded to %d ms\n", |
891 | value, bond->params.miimon, | |
892 | (value / bond->params.miimon) * | |
893 | bond->params.miimon); | |
25852e29 | 894 | } |
0681a282 | 895 | bond->params.updelay = value / bond->params.miimon; |
eac306b4 MD |
896 | netdev_dbg(bond->dev, "Setting up delay to %d\n", |
897 | bond->params.updelay * bond->params.miimon); | |
25852e29 | 898 | |
899 | return 0; | |
900 | } | |
c7461f9b | 901 | |
f3253339 | 902 | static int bond_option_downdelay_set(struct bonding *bond, |
28f084cc | 903 | const struct bond_opt_value *newval) |
c7461f9b | 904 | { |
0681a282 NA |
905 | int value = newval->value; |
906 | ||
25a9b54a | 907 | if (!bond->params.miimon) { |
2de390ba | 908 | netdev_err(bond->dev, "Unable to set down delay as MII monitoring is disabled\n"); |
c7461f9b | 909 | return -EPERM; |
910 | } | |
0681a282 | 911 | if ((value % bond->params.miimon) != 0) { |
2de390ba VF |
912 | netdev_warn(bond->dev, "down delay (%d) is not a multiple of miimon (%d), delay rounded to %d ms\n", |
913 | value, bond->params.miimon, | |
914 | (value / bond->params.miimon) * | |
915 | bond->params.miimon); | |
c7461f9b | 916 | } |
0681a282 | 917 | bond->params.downdelay = value / bond->params.miimon; |
eac306b4 MD |
918 | netdev_dbg(bond->dev, "Setting down delay to %d\n", |
919 | bond->params.downdelay * bond->params.miimon); | |
c7461f9b | 920 | |
921 | return 0; | |
922 | } | |
9f53e14e | 923 | |
f3253339 | 924 | static int bond_option_use_carrier_set(struct bonding *bond, |
28f084cc | 925 | const struct bond_opt_value *newval) |
9f53e14e | 926 | { |
eac306b4 MD |
927 | netdev_dbg(bond->dev, "Setting use_carrier to %llu\n", |
928 | newval->value); | |
0fff0608 | 929 | bond->params.use_carrier = newval->value; |
9f53e14e | 930 | |
931 | return 0; | |
932 | } | |
06151dbc | 933 | |
dc3e5d18 NA |
934 | /* There are two tricky bits here. First, if ARP monitoring is activated, then |
935 | * we must disable MII monitoring. Second, if the ARP timer isn't running, | |
936 | * we must start it. | |
937 | */ | |
f3253339 | 938 | static int bond_option_arp_interval_set(struct bonding *bond, |
28f084cc | 939 | const struct bond_opt_value *newval) |
06151dbc | 940 | { |
eac306b4 MD |
941 | netdev_dbg(bond->dev, "Setting ARP monitoring interval to %llu\n", |
942 | newval->value); | |
7bdb04ed NA |
943 | bond->params.arp_interval = newval->value; |
944 | if (newval->value) { | |
06151dbc | 945 | if (bond->params.miimon) { |
eac306b4 | 946 | netdev_dbg(bond->dev, "ARP monitoring cannot be used with MII monitoring. Disabling MII monitoring\n"); |
06151dbc | 947 | bond->params.miimon = 0; |
948 | } | |
949 | if (!bond->params.arp_targets[0]) | |
eac306b4 | 950 | netdev_dbg(bond->dev, "ARP monitoring has been set up, but no ARP targets have been specified\n"); |
06151dbc | 951 | } |
952 | if (bond->dev->flags & IFF_UP) { | |
953 | /* If the interface is up, we may need to fire off | |
954 | * the ARP timer. If the interface is down, the | |
955 | * timer will get fired off when the open function | |
956 | * is called. | |
957 | */ | |
7bdb04ed | 958 | if (!newval->value) { |
06151dbc | 959 | if (bond->params.arp_validate) |
960 | bond->recv_probe = NULL; | |
961 | cancel_delayed_work_sync(&bond->arp_work); | |
962 | } else { | |
963 | /* arp_validate can be set only in active-backup mode */ | |
3fe68df9 | 964 | bond->recv_probe = bond_arp_rcv; |
06151dbc | 965 | cancel_delayed_work_sync(&bond->mii_work); |
966 | queue_delayed_work(bond->wq, &bond->arp_work, 0); | |
967 | } | |
968 | } | |
969 | ||
970 | return 0; | |
971 | } | |
7f28fa10 | 972 | |
973 | static void _bond_options_arp_ip_target_set(struct bonding *bond, int slot, | |
974 | __be32 target, | |
975 | unsigned long last_rx) | |
976 | { | |
977 | __be32 *targets = bond->params.arp_targets; | |
978 | struct list_head *iter; | |
979 | struct slave *slave; | |
980 | ||
981 | if (slot >= 0 && slot < BOND_MAX_ARP_TARGETS) { | |
982 | bond_for_each_slave(bond, slave, iter) | |
983 | slave->target_last_arp_rx[slot] = last_rx; | |
984 | targets[slot] = target; | |
985 | } | |
986 | } | |
987 | ||
988 | static int _bond_option_arp_ip_target_add(struct bonding *bond, __be32 target) | |
989 | { | |
990 | __be32 *targets = bond->params.arp_targets; | |
991 | int ind; | |
992 | ||
2807a9fe | 993 | if (!bond_is_ip_target_ok(target)) { |
2de390ba VF |
994 | netdev_err(bond->dev, "invalid ARP target %pI4 specified for addition\n", |
995 | &target); | |
7f28fa10 | 996 | return -EINVAL; |
997 | } | |
998 | ||
999 | if (bond_get_targets_ip(targets, target) != -1) { /* dup */ | |
2de390ba VF |
1000 | netdev_err(bond->dev, "ARP target %pI4 is already present\n", |
1001 | &target); | |
7f28fa10 | 1002 | return -EINVAL; |
1003 | } | |
1004 | ||
1005 | ind = bond_get_targets_ip(targets, 0); /* first free slot */ | |
1006 | if (ind == -1) { | |
2de390ba | 1007 | netdev_err(bond->dev, "ARP target table is full!\n"); |
7f28fa10 | 1008 | return -EINVAL; |
1009 | } | |
1010 | ||
eac306b4 | 1011 | netdev_dbg(bond->dev, "Adding ARP target %pI4\n", &target); |
7f28fa10 | 1012 | |
1013 | _bond_options_arp_ip_target_set(bond, ind, target, jiffies); | |
1014 | ||
1015 | return 0; | |
1016 | } | |
1017 | ||
f3253339 | 1018 | static int bond_option_arp_ip_target_add(struct bonding *bond, __be32 target) |
7f28fa10 | 1019 | { |
246df7b4 | 1020 | return _bond_option_arp_ip_target_add(bond, target); |
7f28fa10 | 1021 | } |
1022 | ||
f3253339 | 1023 | static int bond_option_arp_ip_target_rem(struct bonding *bond, __be32 target) |
7f28fa10 | 1024 | { |
1025 | __be32 *targets = bond->params.arp_targets; | |
1026 | struct list_head *iter; | |
1027 | struct slave *slave; | |
1028 | unsigned long *targets_rx; | |
1029 | int ind, i; | |
1030 | ||
2807a9fe | 1031 | if (!bond_is_ip_target_ok(target)) { |
2de390ba VF |
1032 | netdev_err(bond->dev, "invalid ARP target %pI4 specified for removal\n", |
1033 | &target); | |
7f28fa10 | 1034 | return -EINVAL; |
1035 | } | |
1036 | ||
1037 | ind = bond_get_targets_ip(targets, target); | |
1038 | if (ind == -1) { | |
2de390ba VF |
1039 | netdev_err(bond->dev, "unable to remove nonexistent ARP target %pI4\n", |
1040 | &target); | |
7f28fa10 | 1041 | return -EINVAL; |
1042 | } | |
1043 | ||
1044 | if (ind == 0 && !targets[1] && bond->params.arp_interval) | |
2de390ba | 1045 | netdev_warn(bond->dev, "Removing last arp target with arp_interval on\n"); |
7f28fa10 | 1046 | |
eac306b4 | 1047 | netdev_dbg(bond->dev, "Removing ARP target %pI4\n", &target); |
7f28fa10 | 1048 | |
7f28fa10 | 1049 | bond_for_each_slave(bond, slave, iter) { |
1050 | targets_rx = slave->target_last_arp_rx; | |
1051 | for (i = ind; (i < BOND_MAX_ARP_TARGETS-1) && targets[i+1]; i++) | |
1052 | targets_rx[i] = targets_rx[i+1]; | |
1053 | targets_rx[i] = 0; | |
1054 | } | |
1055 | for (i = ind; (i < BOND_MAX_ARP_TARGETS-1) && targets[i+1]; i++) | |
1056 | targets[i] = targets[i+1]; | |
1057 | targets[i] = 0; | |
1058 | ||
7f28fa10 | 1059 | return 0; |
1060 | } | |
1061 | ||
4fb0ef58 | 1062 | void bond_option_arp_ip_targets_clear(struct bonding *bond) |
7f28fa10 | 1063 | { |
4fb0ef58 | 1064 | int i; |
7f28fa10 | 1065 | |
7f28fa10 | 1066 | for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) |
1067 | _bond_options_arp_ip_target_set(bond, i, 0, 0); | |
4fb0ef58 | 1068 | } |
7f28fa10 | 1069 | |
f3253339 | 1070 | static int bond_option_arp_ip_targets_set(struct bonding *bond, |
28f084cc | 1071 | const struct bond_opt_value *newval) |
4fb0ef58 NA |
1072 | { |
1073 | int ret = -EPERM; | |
1074 | __be32 target; | |
1075 | ||
1076 | if (newval->string) { | |
1077 | if (!in4_pton(newval->string+1, -1, (u8 *)&target, -1, NULL)) { | |
2de390ba VF |
1078 | netdev_err(bond->dev, "invalid ARP target %pI4 specified\n", |
1079 | &target); | |
4fb0ef58 NA |
1080 | return ret; |
1081 | } | |
1082 | if (newval->string[0] == '+') | |
1083 | ret = bond_option_arp_ip_target_add(bond, target); | |
1084 | else if (newval->string[0] == '-') | |
1085 | ret = bond_option_arp_ip_target_rem(bond, target); | |
1086 | else | |
2de390ba | 1087 | netdev_err(bond->dev, "no command found in arp_ip_targets file - use +<addr> or -<addr>\n"); |
4fb0ef58 NA |
1088 | } else { |
1089 | target = newval->value; | |
1090 | ret = bond_option_arp_ip_target_add(bond, target); | |
7f28fa10 | 1091 | } |
1092 | ||
7f28fa10 | 1093 | return ret; |
1094 | } | |
29c49482 | 1095 | |
f3253339 | 1096 | static int bond_option_arp_validate_set(struct bonding *bond, |
28f084cc | 1097 | const struct bond_opt_value *newval) |
29c49482 | 1098 | { |
eac306b4 MD |
1099 | netdev_dbg(bond->dev, "Setting arp_validate to %s (%llu)\n", |
1100 | newval->string, newval->value); | |
29c49482 | 1101 | |
1102 | if (bond->dev->flags & IFF_UP) { | |
16228881 | 1103 | if (!newval->value) |
29c49482 | 1104 | bond->recv_probe = NULL; |
1105 | else if (bond->params.arp_interval) | |
1106 | bond->recv_probe = bond_arp_rcv; | |
1107 | } | |
16228881 | 1108 | bond->params.arp_validate = newval->value; |
29c49482 | 1109 | |
1110 | return 0; | |
1111 | } | |
d5c84254 | 1112 | |
f3253339 | 1113 | static int bond_option_arp_all_targets_set(struct bonding *bond, |
28f084cc | 1114 | const struct bond_opt_value *newval) |
d5c84254 | 1115 | { |
eac306b4 MD |
1116 | netdev_dbg(bond->dev, "Setting arp_all_targets to %s (%llu)\n", |
1117 | newval->string, newval->value); | |
edf36b24 | 1118 | bond->params.arp_all_targets = newval->value; |
d5c84254 | 1119 | |
1120 | return 0; | |
1121 | } | |
0a98a0d1 | 1122 | |
f3253339 | 1123 | static int bond_option_primary_set(struct bonding *bond, |
28f084cc | 1124 | const struct bond_opt_value *newval) |
0a98a0d1 | 1125 | { |
180222f0 | 1126 | char *p, *primary = newval->string; |
0a98a0d1 | 1127 | struct list_head *iter; |
1128 | struct slave *slave; | |
0a98a0d1 | 1129 | |
1130 | block_netpoll_tx(); | |
0a98a0d1 | 1131 | |
180222f0 NA |
1132 | p = strchr(primary, '\n'); |
1133 | if (p) | |
1134 | *p = '\0'; | |
0a98a0d1 | 1135 | /* check to see if we are clearing primary */ |
1136 | if (!strlen(primary)) { | |
eac306b4 | 1137 | netdev_dbg(bond->dev, "Setting primary slave to None\n"); |
059b47e8 | 1138 | RCU_INIT_POINTER(bond->primary_slave, NULL); |
0a98a0d1 | 1139 | memset(bond->params.primary, 0, sizeof(bond->params.primary)); |
1140 | bond_select_active_slave(bond); | |
1141 | goto out; | |
1142 | } | |
1143 | ||
1144 | bond_for_each_slave(bond, slave, iter) { | |
1145 | if (strncmp(slave->dev->name, primary, IFNAMSIZ) == 0) { | |
eac306b4 MD |
1146 | netdev_dbg(bond->dev, "Setting %s as primary slave\n", |
1147 | slave->dev->name); | |
059b47e8 | 1148 | rcu_assign_pointer(bond->primary_slave, slave); |
0a98a0d1 | 1149 | strcpy(bond->params.primary, slave->dev->name); |
7a4994de | 1150 | bond->force_primary = true; |
0a98a0d1 | 1151 | bond_select_active_slave(bond); |
1152 | goto out; | |
1153 | } | |
1154 | } | |
1155 | ||
059b47e8 | 1156 | if (rtnl_dereference(bond->primary_slave)) { |
eac306b4 | 1157 | netdev_dbg(bond->dev, "Setting primary slave to None\n"); |
059b47e8 | 1158 | RCU_INIT_POINTER(bond->primary_slave, NULL); |
c59ab673 | 1159 | bond_select_active_slave(bond); |
1160 | } | |
0a98a0d1 | 1161 | strncpy(bond->params.primary, primary, IFNAMSIZ); |
1162 | bond->params.primary[IFNAMSIZ - 1] = 0; | |
1163 | ||
eac306b4 MD |
1164 | netdev_dbg(bond->dev, "Recording %s as primary, but it has not been enslaved to %s yet\n", |
1165 | primary, bond->dev->name); | |
0a98a0d1 | 1166 | |
1167 | out: | |
0a98a0d1 | 1168 | unblock_netpoll_tx(); |
1169 | ||
180222f0 | 1170 | return 0; |
0a98a0d1 | 1171 | } |
8a41ae44 | 1172 | |
f3253339 | 1173 | static int bond_option_primary_reselect_set(struct bonding *bond, |
28f084cc | 1174 | const struct bond_opt_value *newval) |
8a41ae44 | 1175 | { |
eac306b4 MD |
1176 | netdev_dbg(bond->dev, "Setting primary_reselect to %s (%llu)\n", |
1177 | newval->string, newval->value); | |
388d3a6d | 1178 | bond->params.primary_reselect = newval->value; |
8a41ae44 | 1179 | |
1180 | block_netpoll_tx(); | |
8a41ae44 | 1181 | bond_select_active_slave(bond); |
8a41ae44 | 1182 | unblock_netpoll_tx(); |
1183 | ||
1184 | return 0; | |
1185 | } | |
89901972 | 1186 | |
f3253339 | 1187 | static int bond_option_fail_over_mac_set(struct bonding *bond, |
28f084cc | 1188 | const struct bond_opt_value *newval) |
89901972 | 1189 | { |
eac306b4 MD |
1190 | netdev_dbg(bond->dev, "Setting fail_over_mac to %s (%llu)\n", |
1191 | newval->string, newval->value); | |
1df6b6aa | 1192 | bond->params.fail_over_mac = newval->value; |
89901972 | 1193 | |
1194 | return 0; | |
1195 | } | |
f70161c6 | 1196 | |
f3253339 | 1197 | static int bond_option_xmit_hash_policy_set(struct bonding *bond, |
28f084cc | 1198 | const struct bond_opt_value *newval) |
f70161c6 | 1199 | { |
eac306b4 MD |
1200 | netdev_dbg(bond->dev, "Setting xmit hash policy to %s (%llu)\n", |
1201 | newval->string, newval->value); | |
a4b32ce7 | 1202 | bond->params.xmit_policy = newval->value; |
f70161c6 | 1203 | |
1204 | return 0; | |
1205 | } | |
d8838de7 | 1206 | |
f3253339 | 1207 | static int bond_option_resend_igmp_set(struct bonding *bond, |
28f084cc | 1208 | const struct bond_opt_value *newval) |
d8838de7 | 1209 | { |
eac306b4 MD |
1210 | netdev_dbg(bond->dev, "Setting resend_igmp to %llu\n", |
1211 | newval->value); | |
105c8fb6 | 1212 | bond->params.resend_igmp = newval->value; |
d8838de7 | 1213 | |
1214 | return 0; | |
1215 | } | |
2c9839c1 | 1216 | |
f3253339 | 1217 | static int bond_option_num_peer_notif_set(struct bonding *bond, |
28f084cc | 1218 | const struct bond_opt_value *newval) |
2c9839c1 | 1219 | { |
ef56becb NA |
1220 | bond->params.num_peer_notif = newval->value; |
1221 | ||
2c9839c1 | 1222 | return 0; |
1223 | } | |
1cc0b1e3 | 1224 | |
f3253339 | 1225 | static int bond_option_all_slaves_active_set(struct bonding *bond, |
28f084cc | 1226 | const struct bond_opt_value *newval) |
1cc0b1e3 | 1227 | { |
1228 | struct list_head *iter; | |
1229 | struct slave *slave; | |
1230 | ||
3df01162 | 1231 | if (newval->value == bond->params.all_slaves_active) |
1cc0b1e3 | 1232 | return 0; |
3df01162 | 1233 | bond->params.all_slaves_active = newval->value; |
1cc0b1e3 | 1234 | bond_for_each_slave(bond, slave, iter) { |
1235 | if (!bond_is_active_slave(slave)) { | |
3df01162 | 1236 | if (newval->value) |
1cc0b1e3 | 1237 | slave->inactive = 0; |
1238 | else | |
1239 | slave->inactive = 1; | |
1240 | } | |
1241 | } | |
1242 | ||
1243 | return 0; | |
1244 | } | |
7d101008 | 1245 | |
f3253339 | 1246 | static int bond_option_min_links_set(struct bonding *bond, |
28f084cc | 1247 | const struct bond_opt_value *newval) |
7d101008 | 1248 | { |
eac306b4 MD |
1249 | netdev_dbg(bond->dev, "Setting min links value to %llu\n", |
1250 | newval->value); | |
633ddc9e | 1251 | bond->params.min_links = newval->value; |
2477bc9a | 1252 | bond_set_carrier(bond); |
7d101008 | 1253 | |
1254 | return 0; | |
1255 | } | |
8d836d09 | 1256 | |
f3253339 | 1257 | static int bond_option_lp_interval_set(struct bonding *bond, |
28f084cc | 1258 | const struct bond_opt_value *newval) |
8d836d09 | 1259 | { |
4325b374 | 1260 | bond->params.lp_interval = newval->value; |
8d836d09 | 1261 | |
1262 | return 0; | |
1263 | } | |
c13ab3ff | 1264 | |
f3253339 | 1265 | static int bond_option_pps_set(struct bonding *bond, |
28f084cc | 1266 | const struct bond_opt_value *newval) |
c13ab3ff | 1267 | { |
eac306b4 MD |
1268 | netdev_dbg(bond->dev, "Setting packets per slave to %llu\n", |
1269 | newval->value); | |
aa59d851 NA |
1270 | bond->params.packets_per_slave = newval->value; |
1271 | if (newval->value > 0) { | |
809fa972 | 1272 | bond->params.reciprocal_packets_per_slave = |
aa59d851 | 1273 | reciprocal_value(newval->value); |
809fa972 HFS |
1274 | } else { |
1275 | /* reciprocal_packets_per_slave is unused if | |
1276 | * packets_per_slave is 0 or 1, just initialize it | |
1277 | */ | |
1278 | bond->params.reciprocal_packets_per_slave = | |
1279 | (struct reciprocal_value) { 0 }; | |
1280 | } | |
c13ab3ff | 1281 | |
1282 | return 0; | |
1283 | } | |
998e40bb | 1284 | |
f3253339 | 1285 | static int bond_option_lacp_rate_set(struct bonding *bond, |
28f084cc | 1286 | const struct bond_opt_value *newval) |
998e40bb | 1287 | { |
eac306b4 MD |
1288 | netdev_dbg(bond->dev, "Setting LACP rate to %s (%llu)\n", |
1289 | newval->string, newval->value); | |
d3131de7 | 1290 | bond->params.lacp_fast = newval->value; |
3243c47b | 1291 | bond_3ad_update_lacp_rate(bond); |
998e40bb | 1292 | |
1293 | return 0; | |
1294 | } | |
ec029fac | 1295 | |
f3253339 | 1296 | static int bond_option_ad_select_set(struct bonding *bond, |
28f084cc | 1297 | const struct bond_opt_value *newval) |
ec029fac | 1298 | { |
eac306b4 MD |
1299 | netdev_dbg(bond->dev, "Setting ad_select to %s (%llu)\n", |
1300 | newval->string, newval->value); | |
9e5f5eeb | 1301 | bond->params.ad_select = newval->value; |
ec029fac | 1302 | |
1303 | return 0; | |
1304 | } | |
24089ba1 | 1305 | |
f3253339 | 1306 | static int bond_option_queue_id_set(struct bonding *bond, |
28f084cc | 1307 | const struct bond_opt_value *newval) |
24089ba1 NA |
1308 | { |
1309 | struct slave *slave, *update_slave; | |
1310 | struct net_device *sdev; | |
1311 | struct list_head *iter; | |
1312 | char *delim; | |
1313 | int ret = 0; | |
1314 | u16 qid; | |
1315 | ||
1316 | /* delim will point to queue id if successful */ | |
1317 | delim = strchr(newval->string, ':'); | |
1318 | if (!delim) | |
1319 | goto err_no_cmd; | |
1320 | ||
1321 | /* Terminate string that points to device name and bump it | |
1322 | * up one, so we can read the queue id there. | |
1323 | */ | |
1324 | *delim = '\0'; | |
1325 | if (sscanf(++delim, "%hd\n", &qid) != 1) | |
1326 | goto err_no_cmd; | |
1327 | ||
1328 | /* Check buffer length, valid ifname and queue id */ | |
c313c89e | 1329 | if (!dev_valid_name(newval->string) || |
24089ba1 NA |
1330 | qid > bond->dev->real_num_tx_queues) |
1331 | goto err_no_cmd; | |
1332 | ||
1333 | /* Get the pointer to that interface if it exists */ | |
1334 | sdev = __dev_get_by_name(dev_net(bond->dev), newval->string); | |
1335 | if (!sdev) | |
1336 | goto err_no_cmd; | |
1337 | ||
1338 | /* Search for thes slave and check for duplicate qids */ | |
1339 | update_slave = NULL; | |
1340 | bond_for_each_slave(bond, slave, iter) { | |
1341 | if (sdev == slave->dev) | |
1342 | /* We don't need to check the matching | |
1343 | * slave for dups, since we're overwriting it | |
1344 | */ | |
1345 | update_slave = slave; | |
1346 | else if (qid && qid == slave->queue_id) { | |
1347 | goto err_no_cmd; | |
1348 | } | |
1349 | } | |
1350 | ||
1351 | if (!update_slave) | |
1352 | goto err_no_cmd; | |
1353 | ||
1354 | /* Actually set the qids for the slave */ | |
1355 | update_slave->queue_id = qid; | |
1356 | ||
1357 | out: | |
1358 | return ret; | |
1359 | ||
1360 | err_no_cmd: | |
eac306b4 | 1361 | netdev_dbg(bond->dev, "invalid input for queue_id set\n"); |
24089ba1 NA |
1362 | ret = -EPERM; |
1363 | goto out; | |
1364 | ||
1365 | } | |
0e2e5b66 | 1366 | |
f3253339 | 1367 | static int bond_option_slaves_set(struct bonding *bond, |
28f084cc | 1368 | const struct bond_opt_value *newval) |
0e2e5b66 NA |
1369 | { |
1370 | char command[IFNAMSIZ + 1] = { 0, }; | |
1371 | struct net_device *dev; | |
1372 | char *ifname; | |
1373 | int ret; | |
1374 | ||
1375 | sscanf(newval->string, "%16s", command); /* IFNAMSIZ*/ | |
1376 | ifname = command + 1; | |
1377 | if ((strlen(command) <= 1) || | |
1378 | !dev_valid_name(ifname)) | |
1379 | goto err_no_cmd; | |
1380 | ||
1381 | dev = __dev_get_by_name(dev_net(bond->dev), ifname); | |
1382 | if (!dev) { | |
eac306b4 MD |
1383 | netdev_dbg(bond->dev, "interface %s does not exist!\n", |
1384 | ifname); | |
0e2e5b66 NA |
1385 | ret = -ENODEV; |
1386 | goto out; | |
1387 | } | |
1388 | ||
1389 | switch (command[0]) { | |
1390 | case '+': | |
eac306b4 | 1391 | netdev_dbg(bond->dev, "Adding slave %s\n", dev->name); |
33eaf2a6 | 1392 | ret = bond_enslave(bond->dev, dev, NULL); |
0e2e5b66 NA |
1393 | break; |
1394 | ||
1395 | case '-': | |
eac306b4 | 1396 | netdev_dbg(bond->dev, "Removing slave %s\n", dev->name); |
0e2e5b66 NA |
1397 | ret = bond_release(bond->dev, dev); |
1398 | break; | |
1399 | ||
1400 | default: | |
1401 | goto err_no_cmd; | |
1402 | } | |
1403 | ||
1404 | out: | |
1405 | return ret; | |
1406 | ||
1407 | err_no_cmd: | |
2de390ba | 1408 | netdev_err(bond->dev, "no command found in slaves file - use +ifname or -ifname\n"); |
0e2e5b66 NA |
1409 | ret = -EPERM; |
1410 | goto out; | |
1411 | } | |
e9f0fb88 MB |
1412 | |
1413 | static int bond_option_tlb_dynamic_lb_set(struct bonding *bond, | |
1414 | const struct bond_opt_value *newval) | |
1415 | { | |
eac306b4 MD |
1416 | netdev_dbg(bond->dev, "Setting dynamic-lb to %s (%llu)\n", |
1417 | newval->string, newval->value); | |
e9f0fb88 MB |
1418 | bond->params.tlb_dynamic_lb = newval->value; |
1419 | ||
1420 | return 0; | |
1421 | } | |
6791e466 MB |
1422 | |
1423 | static int bond_option_ad_actor_sys_prio_set(struct bonding *bond, | |
1424 | const struct bond_opt_value *newval) | |
1425 | { | |
eac306b4 MD |
1426 | netdev_dbg(bond->dev, "Setting ad_actor_sys_prio to %llu\n", |
1427 | newval->value); | |
6791e466 MB |
1428 | |
1429 | bond->params.ad_actor_sys_prio = newval->value; | |
5ee14e6d NA |
1430 | bond_3ad_update_ad_actor_settings(bond); |
1431 | ||
6791e466 MB |
1432 | return 0; |
1433 | } | |
74514957 MB |
1434 | |
1435 | static int bond_option_ad_actor_system_set(struct bonding *bond, | |
1436 | const struct bond_opt_value *newval) | |
1437 | { | |
1438 | u8 macaddr[ETH_ALEN]; | |
171a42c3 | 1439 | u8 *mac; |
74514957 MB |
1440 | int i; |
1441 | ||
171a42c3 AG |
1442 | if (newval->string) { |
1443 | i = sscanf(newval->string, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", | |
1444 | &macaddr[0], &macaddr[1], &macaddr[2], | |
1445 | &macaddr[3], &macaddr[4], &macaddr[5]); | |
1446 | if (i != ETH_ALEN) | |
1447 | goto err; | |
1448 | mac = macaddr; | |
1449 | } else { | |
1450 | mac = (u8 *)&newval->value; | |
74514957 MB |
1451 | } |
1452 | ||
171a42c3 AG |
1453 | if (!is_valid_ether_addr(mac)) |
1454 | goto err; | |
1455 | ||
eac306b4 | 1456 | netdev_dbg(bond->dev, "Setting ad_actor_system to %pM\n", mac); |
171a42c3 | 1457 | ether_addr_copy(bond->params.ad_actor_system, mac); |
5ee14e6d NA |
1458 | bond_3ad_update_ad_actor_settings(bond); |
1459 | ||
74514957 | 1460 | return 0; |
171a42c3 AG |
1461 | |
1462 | err: | |
1463 | netdev_err(bond->dev, "Invalid MAC address.\n"); | |
1464 | return -EINVAL; | |
74514957 | 1465 | } |
d22a5fc0 MB |
1466 | |
1467 | static int bond_option_ad_user_port_key_set(struct bonding *bond, | |
1468 | const struct bond_opt_value *newval) | |
1469 | { | |
eac306b4 MD |
1470 | netdev_dbg(bond->dev, "Setting ad_user_port_key to %llu\n", |
1471 | newval->value); | |
d22a5fc0 MB |
1472 | |
1473 | bond->params.ad_user_port_key = newval->value; | |
1474 | return 0; | |
1475 | } |