Commit | Line | Data |
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2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
72be35fe JP |
2 | /* |
3 | * drivers/net/bond/bond_options.c - bonding options | |
4 | * Copyright (c) 2013 Jiri Pirko <jiri@resnulli.us> | |
eecdaa6e | 5 | * Copyright (c) 2013 Scott Feldman <sfeldma@cumulusnetworks.com> |
72be35fe JP |
6 | */ |
7 | ||
72be35fe JP |
8 | #include <linux/errno.h> |
9 | #include <linux/if.h> | |
d9e32b21 | 10 | #include <linux/netdevice.h> |
eb2d4c64 | 11 | #include <linux/spinlock.h> |
d9e32b21 | 12 | #include <linux/rcupdate.h> |
09117362 | 13 | #include <linux/ctype.h> |
4fb0ef58 | 14 | #include <linux/inet.h> |
174cd4b1 IM |
15 | #include <linux/sched/signal.h> |
16 | ||
1ef8019b | 17 | #include <net/bonding.h> |
72be35fe | 18 | |
f3253339 | 19 | static int bond_option_active_slave_set(struct bonding *bond, |
28f084cc | 20 | const struct bond_opt_value *newval); |
f3253339 | 21 | static int bond_option_miimon_set(struct bonding *bond, |
28f084cc | 22 | const struct bond_opt_value *newval); |
f3253339 | 23 | static int bond_option_updelay_set(struct bonding *bond, |
28f084cc | 24 | const struct bond_opt_value *newval); |
f3253339 | 25 | static int bond_option_downdelay_set(struct bonding *bond, |
28f084cc | 26 | const struct bond_opt_value *newval); |
07a4ddec VB |
27 | static int bond_option_peer_notif_delay_set(struct bonding *bond, |
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[] = { |
b3c898e2 DB |
165 | { "off", 0, 0}, |
166 | { "on", 1, BOND_VALFLAG_DEFAULT}, | |
167 | { NULL, -1, 0} | |
0fff0608 NA |
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 | 395 | .desc = "Enable dynamic flow shuffling", |
e79c1055 | 396 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_TLB) | BIT(BOND_MODE_ALB)), |
e9f0fb88 MB |
397 | .values = bond_tlb_dynamic_lb_tbl, |
398 | .flags = BOND_OPTFLAG_IFDOWN, | |
399 | .set = bond_option_tlb_dynamic_lb_set, | |
6791e466 MB |
400 | }, |
401 | [BOND_OPT_AD_ACTOR_SYS_PRIO] = { | |
402 | .id = BOND_OPT_AD_ACTOR_SYS_PRIO, | |
403 | .name = "ad_actor_sys_prio", | |
404 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)), | |
6791e466 MB |
405 | .values = bond_ad_actor_sys_prio_tbl, |
406 | .set = bond_option_ad_actor_sys_prio_set, | |
407 | }, | |
74514957 MB |
408 | [BOND_OPT_AD_ACTOR_SYSTEM] = { |
409 | .id = BOND_OPT_AD_ACTOR_SYSTEM, | |
410 | .name = "ad_actor_system", | |
411 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)), | |
7f20cd25 | 412 | .flags = BOND_OPTFLAG_RAWVAL, |
74514957 MB |
413 | .set = bond_option_ad_actor_system_set, |
414 | }, | |
d22a5fc0 MB |
415 | [BOND_OPT_AD_USER_PORT_KEY] = { |
416 | .id = BOND_OPT_AD_USER_PORT_KEY, | |
417 | .name = "ad_user_port_key", | |
418 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)), | |
419 | .flags = BOND_OPTFLAG_IFDOWN, | |
420 | .values = bond_ad_user_port_key_tbl, | |
421 | .set = bond_option_ad_user_port_key_set, | |
205845a3 NA |
422 | }, |
423 | [BOND_OPT_NUM_PEER_NOTIF_ALIAS] = { | |
424 | .id = BOND_OPT_NUM_PEER_NOTIF_ALIAS, | |
425 | .name = "num_grat_arp", | |
426 | .desc = "Number of peer notifications to send on failover event", | |
427 | .values = bond_num_peer_notif_tbl, | |
428 | .set = bond_option_num_peer_notif_set | |
07a4ddec VB |
429 | }, |
430 | [BOND_OPT_PEER_NOTIF_DELAY] = { | |
431 | .id = BOND_OPT_PEER_NOTIF_DELAY, | |
432 | .name = "peer_notif_delay", | |
433 | .desc = "Delay between each peer notification on failover event, in milliseconds", | |
434 | .values = bond_intmax_tbl, | |
435 | .set = bond_option_peer_notif_delay_set | |
d22a5fc0 | 436 | } |
09117362 NA |
437 | }; |
438 | ||
dc3e5d18 NA |
439 | /* Searches for an option by name */ |
440 | const struct bond_option *bond_opt_get_by_name(const char *name) | |
441 | { | |
442 | const struct bond_option *opt; | |
443 | int option; | |
444 | ||
445 | for (option = 0; option < BOND_OPT_LAST; option++) { | |
446 | opt = bond_opt_get(option); | |
447 | if (opt && !strcmp(opt->name, name)) | |
448 | return opt; | |
449 | } | |
450 | ||
451 | return NULL; | |
452 | } | |
453 | ||
09117362 | 454 | /* Searches for a value in opt's values[] table */ |
f3253339 | 455 | const struct bond_opt_value *bond_opt_get_val(unsigned int option, u64 val) |
09117362 | 456 | { |
f3253339 | 457 | const struct bond_option *opt; |
09117362 NA |
458 | int i; |
459 | ||
460 | opt = bond_opt_get(option); | |
461 | if (WARN_ON(!opt)) | |
462 | return NULL; | |
463 | for (i = 0; opt->values && opt->values[i].string; i++) | |
464 | if (opt->values[i].value == val) | |
465 | return &opt->values[i]; | |
466 | ||
467 | return NULL; | |
468 | } | |
469 | ||
470 | /* Searches for a value in opt's values[] table which matches the flagmask */ | |
f3253339 | 471 | static const struct bond_opt_value *bond_opt_get_flags(const struct bond_option *opt, |
eac306b4 | 472 | u32 flagmask) |
09117362 NA |
473 | { |
474 | int i; | |
475 | ||
476 | for (i = 0; opt->values && opt->values[i].string; i++) | |
477 | if (opt->values[i].flags & flagmask) | |
478 | return &opt->values[i]; | |
479 | ||
480 | return NULL; | |
481 | } | |
482 | ||
483 | /* If maxval is missing then there's no range to check. In case minval is | |
484 | * missing then it's considered to be 0. | |
485 | */ | |
486 | static bool bond_opt_check_range(const struct bond_option *opt, u64 val) | |
487 | { | |
f3253339 | 488 | const struct bond_opt_value *minval, *maxval; |
09117362 NA |
489 | |
490 | minval = bond_opt_get_flags(opt, BOND_VALFLAG_MIN); | |
491 | maxval = bond_opt_get_flags(opt, BOND_VALFLAG_MAX); | |
492 | if (!maxval || (minval && val < minval->value) || val > maxval->value) | |
493 | return false; | |
494 | ||
495 | return true; | |
496 | } | |
497 | ||
498 | /** | |
499 | * bond_opt_parse - parse option value | |
500 | * @opt: the option to parse against | |
501 | * @val: value to parse | |
502 | * | |
503 | * This function tries to extract the value from @val and check if it's | |
504 | * a possible match for the option and returns NULL if a match isn't found, | |
505 | * or the struct_opt_value that matched. It also strips the new line from | |
506 | * @val->string if it's present. | |
507 | */ | |
f3253339 | 508 | const struct bond_opt_value *bond_opt_parse(const struct bond_option *opt, |
509 | struct bond_opt_value *val) | |
09117362 NA |
510 | { |
511 | char *p, valstr[BOND_OPT_MAX_NAMELEN + 1] = { 0, }; | |
f3253339 | 512 | const struct bond_opt_value *tbl; |
513 | const struct bond_opt_value *ret = NULL; | |
09117362 NA |
514 | bool checkval; |
515 | int i, rv; | |
516 | ||
517 | /* No parsing if the option wants a raw val */ | |
518 | if (opt->flags & BOND_OPTFLAG_RAWVAL) | |
519 | return val; | |
520 | ||
521 | tbl = opt->values; | |
522 | if (!tbl) | |
523 | goto out; | |
524 | ||
525 | /* ULLONG_MAX is used to bypass string processing */ | |
526 | checkval = val->value != ULLONG_MAX; | |
527 | if (!checkval) { | |
528 | if (!val->string) | |
529 | goto out; | |
530 | p = strchr(val->string, '\n'); | |
531 | if (p) | |
532 | *p = '\0'; | |
533 | for (p = val->string; *p; p++) | |
534 | if (!(isdigit(*p) || isspace(*p))) | |
535 | break; | |
536 | /* The following code extracts the string to match or the value | |
537 | * and sets checkval appropriately | |
538 | */ | |
539 | if (*p) { | |
540 | rv = sscanf(val->string, "%32s", valstr); | |
541 | } else { | |
542 | rv = sscanf(val->string, "%llu", &val->value); | |
543 | checkval = true; | |
544 | } | |
545 | if (!rv) | |
546 | goto out; | |
547 | } | |
548 | ||
549 | for (i = 0; tbl[i].string; i++) { | |
550 | /* Check for exact match */ | |
551 | if (checkval) { | |
552 | if (val->value == tbl[i].value) | |
553 | ret = &tbl[i]; | |
554 | } else { | |
555 | if (!strcmp(valstr, "default") && | |
556 | (tbl[i].flags & BOND_VALFLAG_DEFAULT)) | |
557 | ret = &tbl[i]; | |
558 | ||
559 | if (!strcmp(valstr, tbl[i].string)) | |
560 | ret = &tbl[i]; | |
561 | } | |
562 | /* Found an exact match */ | |
563 | if (ret) | |
564 | goto out; | |
565 | } | |
566 | /* Possible range match */ | |
567 | if (checkval && bond_opt_check_range(opt, val->value)) | |
568 | ret = val; | |
569 | out: | |
570 | return ret; | |
571 | } | |
572 | ||
573 | /* Check opt's dependencies against bond mode and currently set options */ | |
574 | static int bond_opt_check_deps(struct bonding *bond, | |
575 | const struct bond_option *opt) | |
576 | { | |
577 | struct bond_params *params = &bond->params; | |
578 | ||
579 | if (test_bit(params->mode, &opt->unsuppmodes)) | |
580 | return -EACCES; | |
581 | if ((opt->flags & BOND_OPTFLAG_NOSLAVES) && bond_has_slaves(bond)) | |
582 | return -ENOTEMPTY; | |
583 | if ((opt->flags & BOND_OPTFLAG_IFDOWN) && (bond->dev->flags & IFF_UP)) | |
584 | return -EBUSY; | |
585 | ||
586 | return 0; | |
587 | } | |
588 | ||
589 | static void bond_opt_dep_print(struct bonding *bond, | |
590 | const struct bond_option *opt) | |
591 | { | |
28f084cc | 592 | const struct bond_opt_value *modeval; |
09117362 NA |
593 | struct bond_params *params; |
594 | ||
595 | params = &bond->params; | |
2b3798d5 | 596 | modeval = bond_opt_get_val(BOND_OPT_MODE, params->mode); |
09117362 | 597 | if (test_bit(params->mode, &opt->unsuppmodes)) |
2de390ba VF |
598 | netdev_err(bond->dev, "option %s: mode dependency failed, not supported in mode %s(%llu)\n", |
599 | opt->name, modeval->string, modeval->value); | |
09117362 NA |
600 | } |
601 | ||
602 | static void bond_opt_error_interpret(struct bonding *bond, | |
603 | const struct bond_option *opt, | |
28f084cc | 604 | int error, const struct bond_opt_value *val) |
09117362 | 605 | { |
28f084cc | 606 | const struct bond_opt_value *minval, *maxval; |
09117362 NA |
607 | char *p; |
608 | ||
609 | switch (error) { | |
610 | case -EINVAL: | |
611 | if (val) { | |
612 | if (val->string) { | |
613 | /* sometimes RAWVAL opts may have new lines */ | |
614 | p = strchr(val->string, '\n'); | |
615 | if (p) | |
616 | *p = '\0'; | |
2de390ba VF |
617 | netdev_err(bond->dev, "option %s: invalid value (%s)\n", |
618 | opt->name, val->string); | |
09117362 | 619 | } else { |
2de390ba VF |
620 | netdev_err(bond->dev, "option %s: invalid value (%llu)\n", |
621 | opt->name, val->value); | |
09117362 NA |
622 | } |
623 | } | |
624 | minval = bond_opt_get_flags(opt, BOND_VALFLAG_MIN); | |
625 | maxval = bond_opt_get_flags(opt, BOND_VALFLAG_MAX); | |
626 | if (!maxval) | |
627 | break; | |
2de390ba VF |
628 | netdev_err(bond->dev, "option %s: allowed values %llu - %llu\n", |
629 | opt->name, minval ? minval->value : 0, maxval->value); | |
09117362 NA |
630 | break; |
631 | case -EACCES: | |
632 | bond_opt_dep_print(bond, opt); | |
633 | break; | |
634 | case -ENOTEMPTY: | |
2de390ba VF |
635 | netdev_err(bond->dev, "option %s: unable to set because the bond device has slaves\n", |
636 | opt->name); | |
09117362 NA |
637 | break; |
638 | case -EBUSY: | |
2de390ba VF |
639 | netdev_err(bond->dev, "option %s: unable to set because the bond device is up\n", |
640 | opt->name); | |
09117362 NA |
641 | break; |
642 | default: | |
643 | break; | |
644 | } | |
645 | } | |
646 | ||
647 | /** | |
648 | * __bond_opt_set - set a bonding option | |
649 | * @bond: target bond device | |
650 | * @option: option to set | |
651 | * @val: value to set it to | |
652 | * | |
653 | * This function is used to change the bond's option value, it can be | |
654 | * used for both enabling/changing an option and for disabling it. RTNL lock | |
655 | * must be obtained before calling this function. | |
656 | */ | |
657 | int __bond_opt_set(struct bonding *bond, | |
658 | unsigned int option, struct bond_opt_value *val) | |
659 | { | |
28f084cc | 660 | const struct bond_opt_value *retval = NULL; |
09117362 NA |
661 | const struct bond_option *opt; |
662 | int ret = -ENOENT; | |
663 | ||
664 | ASSERT_RTNL(); | |
665 | ||
666 | opt = bond_opt_get(option); | |
667 | if (WARN_ON(!val) || WARN_ON(!opt)) | |
668 | goto out; | |
669 | ret = bond_opt_check_deps(bond, opt); | |
670 | if (ret) | |
671 | goto out; | |
672 | retval = bond_opt_parse(opt, val); | |
673 | if (!retval) { | |
674 | ret = -EINVAL; | |
675 | goto out; | |
676 | } | |
677 | ret = opt->set(bond, retval); | |
678 | out: | |
679 | if (ret) | |
680 | bond_opt_error_interpret(bond, opt, ret, val); | |
7a7e96e0 VY |
681 | |
682 | return ret; | |
683 | } | |
684 | /** | |
685 | * __bond_opt_set_notify - set a bonding option | |
686 | * @bond: target bond device | |
687 | * @option: option to set | |
688 | * @val: value to set it to | |
689 | * | |
690 | * This function is used to change the bond's option value and trigger | |
691 | * a notification to user sapce. It can be used for both enabling/changing | |
692 | * an option and for disabling it. RTNL lock must be obtained before calling | |
693 | * this function. | |
694 | */ | |
695 | int __bond_opt_set_notify(struct bonding *bond, | |
696 | unsigned int option, struct bond_opt_value *val) | |
697 | { | |
698 | int ret = -ENOENT; | |
699 | ||
700 | ASSERT_RTNL(); | |
701 | ||
702 | ret = __bond_opt_set(bond, option, val); | |
703 | ||
704 | if (!ret && (bond->dev->reg_state == NETREG_REGISTERED)) | |
d4261e56 | 705 | call_netdevice_notifiers(NETDEV_CHANGEINFODATA, bond->dev); |
09117362 NA |
706 | |
707 | return ret; | |
708 | } | |
709 | ||
710 | /** | |
711 | * bond_opt_tryset_rtnl - try to acquire rtnl and call __bond_opt_set | |
712 | * @bond: target bond device | |
713 | * @option: option to set | |
714 | * @buf: value to set it to | |
715 | * | |
716 | * This function tries to acquire RTNL without blocking and if successful | |
717 | * calls __bond_opt_set. It is mainly used for sysfs option manipulation. | |
718 | */ | |
719 | int bond_opt_tryset_rtnl(struct bonding *bond, unsigned int option, char *buf) | |
720 | { | |
721 | struct bond_opt_value optval; | |
722 | int ret; | |
723 | ||
724 | if (!rtnl_trylock()) | |
725 | return restart_syscall(); | |
726 | bond_opt_initstr(&optval, buf); | |
7a7e96e0 | 727 | ret = __bond_opt_set_notify(bond, option, &optval); |
09117362 NA |
728 | rtnl_unlock(); |
729 | ||
730 | return ret; | |
731 | } | |
732 | ||
733 | /** | |
734 | * bond_opt_get - get a pointer to an option | |
735 | * @option: option for which to return a pointer | |
736 | * | |
737 | * This function checks if option is valid and if so returns a pointer | |
738 | * to its entry in the bond_opts[] option array. | |
739 | */ | |
f3253339 | 740 | const struct bond_option *bond_opt_get(unsigned int option) |
09117362 NA |
741 | { |
742 | if (!BOND_OPT_VALID(option)) | |
743 | return NULL; | |
744 | ||
745 | return &bond_opts[option]; | |
746 | } | |
747 | ||
ff11d8b2 NA |
748 | static int bond_option_mode_set(struct bonding *bond, |
749 | const struct bond_opt_value *newval) | |
72be35fe | 750 | { |
c1f897ce JW |
751 | if (!bond_mode_uses_arp(newval->value)) { |
752 | if (bond->params.arp_interval) { | |
753 | netdev_dbg(bond->dev, "%s mode is incompatible with arp monitoring, start mii monitoring\n", | |
754 | newval->string); | |
755 | /* disable arp monitoring */ | |
756 | bond->params.arp_interval = 0; | |
757 | } | |
758 | ||
759 | if (!bond->params.miimon) { | |
760 | /* set miimon to default value */ | |
761 | bond->params.miimon = BOND_DEFAULT_MIIMON; | |
762 | netdev_dbg(bond->dev, "Setting MII monitoring interval to %d\n", | |
763 | bond->params.miimon); | |
764 | } | |
72be35fe JP |
765 | } |
766 | ||
c6644d07 KT |
767 | if (newval->value == BOND_MODE_ALB) |
768 | bond->params.tlb_dynamic_lb = 1; | |
769 | ||
72be35fe JP |
770 | /* don't cache arp_validate between modes */ |
771 | bond->params.arp_validate = BOND_ARP_VALIDATE_NONE; | |
2b3798d5 NA |
772 | bond->params.mode = newval->value; |
773 | ||
72be35fe JP |
774 | return 0; |
775 | } | |
d9e32b21 | 776 | |
f3253339 | 777 | static int bond_option_active_slave_set(struct bonding *bond, |
28f084cc | 778 | const struct bond_opt_value *newval) |
d9e32b21 | 779 | { |
d1fbd3ed NA |
780 | char ifname[IFNAMSIZ] = { 0, }; |
781 | struct net_device *slave_dev; | |
d9e32b21 JP |
782 | int ret = 0; |
783 | ||
d1fbd3ed NA |
784 | sscanf(newval->string, "%15s", ifname); /* IFNAMSIZ */ |
785 | if (!strlen(ifname) || newval->string[0] == '\n') { | |
786 | slave_dev = NULL; | |
787 | } else { | |
788 | slave_dev = __dev_get_by_name(dev_net(bond->dev), ifname); | |
789 | if (!slave_dev) | |
790 | return -ENODEV; | |
791 | } | |
792 | ||
d9e32b21 JP |
793 | if (slave_dev) { |
794 | if (!netif_is_bond_slave(slave_dev)) { | |
f887e54c | 795 | slave_err(bond->dev, slave_dev, "Device is not bonding slave\n"); |
d9e32b21 JP |
796 | return -EINVAL; |
797 | } | |
798 | ||
799 | if (bond->dev != netdev_master_upper_dev_get(slave_dev)) { | |
f887e54c | 800 | slave_err(bond->dev, slave_dev, "Device is not our slave\n"); |
d9e32b21 JP |
801 | return -EINVAL; |
802 | } | |
803 | } | |
804 | ||
d9e32b21 | 805 | block_netpoll_tx(); |
d9e32b21 JP |
806 | /* check to see if we are clearing active */ |
807 | if (!slave_dev) { | |
eac306b4 | 808 | netdev_dbg(bond->dev, "Clearing current active slave\n"); |
8800a244 | 809 | RCU_INIT_POINTER(bond->curr_active_slave, NULL); |
d9e32b21 JP |
810 | bond_select_active_slave(bond); |
811 | } else { | |
1c72cfdc | 812 | struct slave *old_active = rtnl_dereference(bond->curr_active_slave); |
d9e32b21 JP |
813 | struct slave *new_active = bond_slave_get_rtnl(slave_dev); |
814 | ||
815 | BUG_ON(!new_active); | |
816 | ||
817 | if (new_active == old_active) { | |
818 | /* do nothing */ | |
f887e54c | 819 | slave_dbg(bond->dev, new_active->dev, "is already the current active slave\n"); |
d9e32b21 JP |
820 | } else { |
821 | if (old_active && (new_active->link == BOND_LINK_UP) && | |
b6adc610 | 822 | bond_slave_is_up(new_active)) { |
f887e54c | 823 | slave_dbg(bond->dev, new_active->dev, "Setting as active slave\n"); |
d9e32b21 JP |
824 | bond_change_active_slave(bond, new_active); |
825 | } else { | |
f887e54c JW |
826 | slave_err(bond->dev, new_active->dev, "Could not set as active slave; either %s is down or the link is down\n", |
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); | |
07a4ddec VB |
853 | if (bond->params.peer_notif_delay) |
854 | netdev_dbg(bond->dev, "Note: Updating peer_notif_delay (to %d) since it is a multiple of the miimon value\n", | |
855 | bond->params.peer_notif_delay * bond->params.miimon); | |
b98d9c66 | 856 | if (newval->value && bond->params.arp_interval) { |
eac306b4 | 857 | netdev_dbg(bond->dev, "MII monitoring cannot be used with ARP monitoring - disabling ARP monitoring...\n"); |
eecdaa6e | 858 | bond->params.arp_interval = 0; |
859 | if (bond->params.arp_validate) | |
860 | bond->params.arp_validate = BOND_ARP_VALIDATE_NONE; | |
861 | } | |
862 | if (bond->dev->flags & IFF_UP) { | |
863 | /* If the interface is up, we may need to fire off | |
864 | * the MII timer. If the interface is down, the | |
865 | * timer will get fired off when the open function | |
866 | * is called. | |
867 | */ | |
b98d9c66 | 868 | if (!newval->value) { |
eecdaa6e | 869 | cancel_delayed_work_sync(&bond->mii_work); |
870 | } else { | |
871 | cancel_delayed_work_sync(&bond->arp_work); | |
872 | queue_delayed_work(bond->wq, &bond->mii_work, 0); | |
873 | } | |
874 | } | |
b98d9c66 | 875 | |
eecdaa6e | 876 | return 0; |
877 | } | |
25852e29 | 878 | |
07a4ddec VB |
879 | /* Set up, down and peer notification delays. These must be multiples |
880 | * of the MII monitoring value, and are stored internally as the | |
881 | * multiplier. Thus, we must translate to MS for the real world. | |
dc3e5d18 | 882 | */ |
07a4ddec VB |
883 | static int _bond_option_delay_set(struct bonding *bond, |
884 | const struct bond_opt_value *newval, | |
885 | const char *name, | |
886 | int *target) | |
25852e29 | 887 | { |
0681a282 NA |
888 | int value = newval->value; |
889 | ||
e4994612 | 890 | if (!bond->params.miimon) { |
07a4ddec VB |
891 | netdev_err(bond->dev, "Unable to set %s as MII monitoring is disabled\n", |
892 | name); | |
25852e29 | 893 | return -EPERM; |
894 | } | |
0681a282 | 895 | if ((value % bond->params.miimon) != 0) { |
07a4ddec VB |
896 | netdev_warn(bond->dev, |
897 | "%s (%d) is not a multiple of miimon (%d), value rounded to %d ms\n", | |
898 | name, | |
2de390ba VF |
899 | value, bond->params.miimon, |
900 | (value / bond->params.miimon) * | |
901 | bond->params.miimon); | |
25852e29 | 902 | } |
07a4ddec VB |
903 | *target = value / bond->params.miimon; |
904 | netdev_dbg(bond->dev, "Setting %s to %d\n", | |
905 | name, | |
906 | *target * bond->params.miimon); | |
25852e29 | 907 | |
908 | return 0; | |
909 | } | |
c7461f9b | 910 | |
07a4ddec VB |
911 | static int bond_option_updelay_set(struct bonding *bond, |
912 | const struct bond_opt_value *newval) | |
913 | { | |
914 | return _bond_option_delay_set(bond, newval, "up delay", | |
915 | &bond->params.updelay); | |
916 | } | |
917 | ||
f3253339 | 918 | static int bond_option_downdelay_set(struct bonding *bond, |
28f084cc | 919 | const struct bond_opt_value *newval) |
c7461f9b | 920 | { |
07a4ddec VB |
921 | return _bond_option_delay_set(bond, newval, "down delay", |
922 | &bond->params.downdelay); | |
923 | } | |
c7461f9b | 924 | |
07a4ddec VB |
925 | static int bond_option_peer_notif_delay_set(struct bonding *bond, |
926 | const struct bond_opt_value *newval) | |
927 | { | |
928 | int ret = _bond_option_delay_set(bond, newval, | |
929 | "peer notification delay", | |
930 | &bond->params.peer_notif_delay); | |
931 | return ret; | |
c7461f9b | 932 | } |
9f53e14e | 933 | |
f3253339 | 934 | static int bond_option_use_carrier_set(struct bonding *bond, |
28f084cc | 935 | const struct bond_opt_value *newval) |
9f53e14e | 936 | { |
eac306b4 MD |
937 | netdev_dbg(bond->dev, "Setting use_carrier to %llu\n", |
938 | newval->value); | |
0fff0608 | 939 | bond->params.use_carrier = newval->value; |
9f53e14e | 940 | |
941 | return 0; | |
942 | } | |
06151dbc | 943 | |
dc3e5d18 NA |
944 | /* There are two tricky bits here. First, if ARP monitoring is activated, then |
945 | * we must disable MII monitoring. Second, if the ARP timer isn't running, | |
946 | * we must start it. | |
947 | */ | |
f3253339 | 948 | static int bond_option_arp_interval_set(struct bonding *bond, |
28f084cc | 949 | const struct bond_opt_value *newval) |
06151dbc | 950 | { |
eac306b4 MD |
951 | netdev_dbg(bond->dev, "Setting ARP monitoring interval to %llu\n", |
952 | newval->value); | |
7bdb04ed NA |
953 | bond->params.arp_interval = newval->value; |
954 | if (newval->value) { | |
06151dbc | 955 | if (bond->params.miimon) { |
eac306b4 | 956 | netdev_dbg(bond->dev, "ARP monitoring cannot be used with MII monitoring. Disabling MII monitoring\n"); |
06151dbc | 957 | bond->params.miimon = 0; |
958 | } | |
959 | if (!bond->params.arp_targets[0]) | |
eac306b4 | 960 | netdev_dbg(bond->dev, "ARP monitoring has been set up, but no ARP targets have been specified\n"); |
06151dbc | 961 | } |
962 | if (bond->dev->flags & IFF_UP) { | |
963 | /* If the interface is up, we may need to fire off | |
964 | * the ARP timer. If the interface is down, the | |
965 | * timer will get fired off when the open function | |
966 | * is called. | |
967 | */ | |
7bdb04ed | 968 | if (!newval->value) { |
06151dbc | 969 | if (bond->params.arp_validate) |
970 | bond->recv_probe = NULL; | |
971 | cancel_delayed_work_sync(&bond->arp_work); | |
972 | } else { | |
973 | /* arp_validate can be set only in active-backup mode */ | |
3fe68df9 | 974 | bond->recv_probe = bond_arp_rcv; |
06151dbc | 975 | cancel_delayed_work_sync(&bond->mii_work); |
976 | queue_delayed_work(bond->wq, &bond->arp_work, 0); | |
977 | } | |
978 | } | |
979 | ||
980 | return 0; | |
981 | } | |
7f28fa10 | 982 | |
983 | static void _bond_options_arp_ip_target_set(struct bonding *bond, int slot, | |
984 | __be32 target, | |
985 | unsigned long last_rx) | |
986 | { | |
987 | __be32 *targets = bond->params.arp_targets; | |
988 | struct list_head *iter; | |
989 | struct slave *slave; | |
990 | ||
991 | if (slot >= 0 && slot < BOND_MAX_ARP_TARGETS) { | |
992 | bond_for_each_slave(bond, slave, iter) | |
993 | slave->target_last_arp_rx[slot] = last_rx; | |
994 | targets[slot] = target; | |
995 | } | |
996 | } | |
997 | ||
998 | static int _bond_option_arp_ip_target_add(struct bonding *bond, __be32 target) | |
999 | { | |
1000 | __be32 *targets = bond->params.arp_targets; | |
1001 | int ind; | |
1002 | ||
2807a9fe | 1003 | if (!bond_is_ip_target_ok(target)) { |
2de390ba VF |
1004 | netdev_err(bond->dev, "invalid ARP target %pI4 specified for addition\n", |
1005 | &target); | |
7f28fa10 | 1006 | return -EINVAL; |
1007 | } | |
1008 | ||
1009 | if (bond_get_targets_ip(targets, target) != -1) { /* dup */ | |
2de390ba VF |
1010 | netdev_err(bond->dev, "ARP target %pI4 is already present\n", |
1011 | &target); | |
7f28fa10 | 1012 | return -EINVAL; |
1013 | } | |
1014 | ||
1015 | ind = bond_get_targets_ip(targets, 0); /* first free slot */ | |
1016 | if (ind == -1) { | |
2de390ba | 1017 | netdev_err(bond->dev, "ARP target table is full!\n"); |
7f28fa10 | 1018 | return -EINVAL; |
1019 | } | |
1020 | ||
eac306b4 | 1021 | netdev_dbg(bond->dev, "Adding ARP target %pI4\n", &target); |
7f28fa10 | 1022 | |
1023 | _bond_options_arp_ip_target_set(bond, ind, target, jiffies); | |
1024 | ||
1025 | return 0; | |
1026 | } | |
1027 | ||
f3253339 | 1028 | static int bond_option_arp_ip_target_add(struct bonding *bond, __be32 target) |
7f28fa10 | 1029 | { |
246df7b4 | 1030 | return _bond_option_arp_ip_target_add(bond, target); |
7f28fa10 | 1031 | } |
1032 | ||
f3253339 | 1033 | static int bond_option_arp_ip_target_rem(struct bonding *bond, __be32 target) |
7f28fa10 | 1034 | { |
1035 | __be32 *targets = bond->params.arp_targets; | |
1036 | struct list_head *iter; | |
1037 | struct slave *slave; | |
1038 | unsigned long *targets_rx; | |
1039 | int ind, i; | |
1040 | ||
2807a9fe | 1041 | if (!bond_is_ip_target_ok(target)) { |
2de390ba VF |
1042 | netdev_err(bond->dev, "invalid ARP target %pI4 specified for removal\n", |
1043 | &target); | |
7f28fa10 | 1044 | return -EINVAL; |
1045 | } | |
1046 | ||
1047 | ind = bond_get_targets_ip(targets, target); | |
1048 | if (ind == -1) { | |
2de390ba VF |
1049 | netdev_err(bond->dev, "unable to remove nonexistent ARP target %pI4\n", |
1050 | &target); | |
7f28fa10 | 1051 | return -EINVAL; |
1052 | } | |
1053 | ||
1054 | if (ind == 0 && !targets[1] && bond->params.arp_interval) | |
2de390ba | 1055 | netdev_warn(bond->dev, "Removing last arp target with arp_interval on\n"); |
7f28fa10 | 1056 | |
eac306b4 | 1057 | netdev_dbg(bond->dev, "Removing ARP target %pI4\n", &target); |
7f28fa10 | 1058 | |
7f28fa10 | 1059 | bond_for_each_slave(bond, slave, iter) { |
1060 | targets_rx = slave->target_last_arp_rx; | |
1061 | for (i = ind; (i < BOND_MAX_ARP_TARGETS-1) && targets[i+1]; i++) | |
1062 | targets_rx[i] = targets_rx[i+1]; | |
1063 | targets_rx[i] = 0; | |
1064 | } | |
1065 | for (i = ind; (i < BOND_MAX_ARP_TARGETS-1) && targets[i+1]; i++) | |
1066 | targets[i] = targets[i+1]; | |
1067 | targets[i] = 0; | |
1068 | ||
7f28fa10 | 1069 | return 0; |
1070 | } | |
1071 | ||
4fb0ef58 | 1072 | void bond_option_arp_ip_targets_clear(struct bonding *bond) |
7f28fa10 | 1073 | { |
4fb0ef58 | 1074 | int i; |
7f28fa10 | 1075 | |
7f28fa10 | 1076 | for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) |
1077 | _bond_options_arp_ip_target_set(bond, i, 0, 0); | |
4fb0ef58 | 1078 | } |
7f28fa10 | 1079 | |
f3253339 | 1080 | static int bond_option_arp_ip_targets_set(struct bonding *bond, |
28f084cc | 1081 | const struct bond_opt_value *newval) |
4fb0ef58 NA |
1082 | { |
1083 | int ret = -EPERM; | |
1084 | __be32 target; | |
1085 | ||
1086 | if (newval->string) { | |
1087 | if (!in4_pton(newval->string+1, -1, (u8 *)&target, -1, NULL)) { | |
2de390ba VF |
1088 | netdev_err(bond->dev, "invalid ARP target %pI4 specified\n", |
1089 | &target); | |
4fb0ef58 NA |
1090 | return ret; |
1091 | } | |
1092 | if (newval->string[0] == '+') | |
1093 | ret = bond_option_arp_ip_target_add(bond, target); | |
1094 | else if (newval->string[0] == '-') | |
1095 | ret = bond_option_arp_ip_target_rem(bond, target); | |
1096 | else | |
2de390ba | 1097 | netdev_err(bond->dev, "no command found in arp_ip_targets file - use +<addr> or -<addr>\n"); |
4fb0ef58 NA |
1098 | } else { |
1099 | target = newval->value; | |
1100 | ret = bond_option_arp_ip_target_add(bond, target); | |
7f28fa10 | 1101 | } |
1102 | ||
7f28fa10 | 1103 | return ret; |
1104 | } | |
29c49482 | 1105 | |
f3253339 | 1106 | static int bond_option_arp_validate_set(struct bonding *bond, |
28f084cc | 1107 | const struct bond_opt_value *newval) |
29c49482 | 1108 | { |
eac306b4 MD |
1109 | netdev_dbg(bond->dev, "Setting arp_validate to %s (%llu)\n", |
1110 | newval->string, newval->value); | |
16228881 | 1111 | bond->params.arp_validate = newval->value; |
29c49482 | 1112 | |
1113 | return 0; | |
1114 | } | |
d5c84254 | 1115 | |
f3253339 | 1116 | static int bond_option_arp_all_targets_set(struct bonding *bond, |
28f084cc | 1117 | const struct bond_opt_value *newval) |
d5c84254 | 1118 | { |
eac306b4 MD |
1119 | netdev_dbg(bond->dev, "Setting arp_all_targets to %s (%llu)\n", |
1120 | newval->string, newval->value); | |
edf36b24 | 1121 | bond->params.arp_all_targets = newval->value; |
d5c84254 | 1122 | |
1123 | return 0; | |
1124 | } | |
0a98a0d1 | 1125 | |
f3253339 | 1126 | static int bond_option_primary_set(struct bonding *bond, |
28f084cc | 1127 | const struct bond_opt_value *newval) |
0a98a0d1 | 1128 | { |
180222f0 | 1129 | char *p, *primary = newval->string; |
0a98a0d1 | 1130 | struct list_head *iter; |
1131 | struct slave *slave; | |
0a98a0d1 | 1132 | |
1133 | block_netpoll_tx(); | |
0a98a0d1 | 1134 | |
180222f0 NA |
1135 | p = strchr(primary, '\n'); |
1136 | if (p) | |
1137 | *p = '\0'; | |
0a98a0d1 | 1138 | /* check to see if we are clearing primary */ |
1139 | if (!strlen(primary)) { | |
eac306b4 | 1140 | netdev_dbg(bond->dev, "Setting primary slave to None\n"); |
059b47e8 | 1141 | RCU_INIT_POINTER(bond->primary_slave, NULL); |
0a98a0d1 | 1142 | memset(bond->params.primary, 0, sizeof(bond->params.primary)); |
1143 | bond_select_active_slave(bond); | |
1144 | goto out; | |
1145 | } | |
1146 | ||
1147 | bond_for_each_slave(bond, slave, iter) { | |
1148 | if (strncmp(slave->dev->name, primary, IFNAMSIZ) == 0) { | |
f887e54c | 1149 | slave_dbg(bond->dev, slave->dev, "Setting as primary slave\n"); |
059b47e8 | 1150 | rcu_assign_pointer(bond->primary_slave, slave); |
0a98a0d1 | 1151 | strcpy(bond->params.primary, slave->dev->name); |
eb55bbf8 | 1152 | bond->force_primary = true; |
0a98a0d1 | 1153 | bond_select_active_slave(bond); |
1154 | goto out; | |
1155 | } | |
1156 | } | |
1157 | ||
059b47e8 | 1158 | if (rtnl_dereference(bond->primary_slave)) { |
eac306b4 | 1159 | netdev_dbg(bond->dev, "Setting primary slave to None\n"); |
059b47e8 | 1160 | RCU_INIT_POINTER(bond->primary_slave, NULL); |
c59ab673 | 1161 | bond_select_active_slave(bond); |
1162 | } | |
0a98a0d1 | 1163 | strncpy(bond->params.primary, primary, IFNAMSIZ); |
1164 | bond->params.primary[IFNAMSIZ - 1] = 0; | |
1165 | ||
f887e54c JW |
1166 | netdev_dbg(bond->dev, "Recording %s as primary, but it has not been enslaved yet\n", |
1167 | primary); | |
0a98a0d1 | 1168 | |
1169 | out: | |
0a98a0d1 | 1170 | unblock_netpoll_tx(); |
1171 | ||
180222f0 | 1172 | return 0; |
0a98a0d1 | 1173 | } |
8a41ae44 | 1174 | |
f3253339 | 1175 | static int bond_option_primary_reselect_set(struct bonding *bond, |
28f084cc | 1176 | const struct bond_opt_value *newval) |
8a41ae44 | 1177 | { |
eac306b4 MD |
1178 | netdev_dbg(bond->dev, "Setting primary_reselect to %s (%llu)\n", |
1179 | newval->string, newval->value); | |
388d3a6d | 1180 | bond->params.primary_reselect = newval->value; |
8a41ae44 | 1181 | |
1182 | block_netpoll_tx(); | |
8a41ae44 | 1183 | bond_select_active_slave(bond); |
8a41ae44 | 1184 | unblock_netpoll_tx(); |
1185 | ||
1186 | return 0; | |
1187 | } | |
89901972 | 1188 | |
f3253339 | 1189 | static int bond_option_fail_over_mac_set(struct bonding *bond, |
28f084cc | 1190 | const struct bond_opt_value *newval) |
89901972 | 1191 | { |
eac306b4 MD |
1192 | netdev_dbg(bond->dev, "Setting fail_over_mac to %s (%llu)\n", |
1193 | newval->string, newval->value); | |
1df6b6aa | 1194 | bond->params.fail_over_mac = newval->value; |
89901972 | 1195 | |
1196 | return 0; | |
1197 | } | |
f70161c6 | 1198 | |
f3253339 | 1199 | static int bond_option_xmit_hash_policy_set(struct bonding *bond, |
28f084cc | 1200 | const struct bond_opt_value *newval) |
f70161c6 | 1201 | { |
eac306b4 MD |
1202 | netdev_dbg(bond->dev, "Setting xmit hash policy to %s (%llu)\n", |
1203 | newval->string, newval->value); | |
a4b32ce7 | 1204 | bond->params.xmit_policy = newval->value; |
f70161c6 | 1205 | |
1206 | return 0; | |
1207 | } | |
d8838de7 | 1208 | |
f3253339 | 1209 | static int bond_option_resend_igmp_set(struct bonding *bond, |
28f084cc | 1210 | const struct bond_opt_value *newval) |
d8838de7 | 1211 | { |
eac306b4 MD |
1212 | netdev_dbg(bond->dev, "Setting resend_igmp to %llu\n", |
1213 | newval->value); | |
105c8fb6 | 1214 | bond->params.resend_igmp = newval->value; |
d8838de7 | 1215 | |
1216 | return 0; | |
1217 | } | |
2c9839c1 | 1218 | |
f3253339 | 1219 | static int bond_option_num_peer_notif_set(struct bonding *bond, |
28f084cc | 1220 | const struct bond_opt_value *newval) |
2c9839c1 | 1221 | { |
ef56becb NA |
1222 | bond->params.num_peer_notif = newval->value; |
1223 | ||
2c9839c1 | 1224 | return 0; |
1225 | } | |
1cc0b1e3 | 1226 | |
f3253339 | 1227 | static int bond_option_all_slaves_active_set(struct bonding *bond, |
28f084cc | 1228 | const struct bond_opt_value *newval) |
1cc0b1e3 | 1229 | { |
1230 | struct list_head *iter; | |
1231 | struct slave *slave; | |
1232 | ||
3df01162 | 1233 | if (newval->value == bond->params.all_slaves_active) |
1cc0b1e3 | 1234 | return 0; |
3df01162 | 1235 | bond->params.all_slaves_active = newval->value; |
1cc0b1e3 | 1236 | bond_for_each_slave(bond, slave, iter) { |
1237 | if (!bond_is_active_slave(slave)) { | |
3df01162 | 1238 | if (newval->value) |
1cc0b1e3 | 1239 | slave->inactive = 0; |
1240 | else | |
1241 | slave->inactive = 1; | |
1242 | } | |
1243 | } | |
1244 | ||
1245 | return 0; | |
1246 | } | |
7d101008 | 1247 | |
f3253339 | 1248 | static int bond_option_min_links_set(struct bonding *bond, |
28f084cc | 1249 | const struct bond_opt_value *newval) |
7d101008 | 1250 | { |
eac306b4 MD |
1251 | netdev_dbg(bond->dev, "Setting min links value to %llu\n", |
1252 | newval->value); | |
633ddc9e | 1253 | bond->params.min_links = newval->value; |
2477bc9a | 1254 | bond_set_carrier(bond); |
7d101008 | 1255 | |
1256 | return 0; | |
1257 | } | |
8d836d09 | 1258 | |
f3253339 | 1259 | static int bond_option_lp_interval_set(struct bonding *bond, |
28f084cc | 1260 | const struct bond_opt_value *newval) |
8d836d09 | 1261 | { |
4325b374 | 1262 | bond->params.lp_interval = newval->value; |
8d836d09 | 1263 | |
1264 | return 0; | |
1265 | } | |
c13ab3ff | 1266 | |
f3253339 | 1267 | static int bond_option_pps_set(struct bonding *bond, |
28f084cc | 1268 | const struct bond_opt_value *newval) |
c13ab3ff | 1269 | { |
eac306b4 MD |
1270 | netdev_dbg(bond->dev, "Setting packets per slave to %llu\n", |
1271 | newval->value); | |
aa59d851 NA |
1272 | bond->params.packets_per_slave = newval->value; |
1273 | if (newval->value > 0) { | |
809fa972 | 1274 | bond->params.reciprocal_packets_per_slave = |
aa59d851 | 1275 | reciprocal_value(newval->value); |
809fa972 HFS |
1276 | } else { |
1277 | /* reciprocal_packets_per_slave is unused if | |
1278 | * packets_per_slave is 0 or 1, just initialize it | |
1279 | */ | |
1280 | bond->params.reciprocal_packets_per_slave = | |
1281 | (struct reciprocal_value) { 0 }; | |
1282 | } | |
c13ab3ff | 1283 | |
1284 | return 0; | |
1285 | } | |
998e40bb | 1286 | |
f3253339 | 1287 | static int bond_option_lacp_rate_set(struct bonding *bond, |
28f084cc | 1288 | const struct bond_opt_value *newval) |
998e40bb | 1289 | { |
eac306b4 MD |
1290 | netdev_dbg(bond->dev, "Setting LACP rate to %s (%llu)\n", |
1291 | newval->string, newval->value); | |
d3131de7 | 1292 | bond->params.lacp_fast = newval->value; |
3243c47b | 1293 | bond_3ad_update_lacp_rate(bond); |
998e40bb | 1294 | |
1295 | return 0; | |
1296 | } | |
ec029fac | 1297 | |
f3253339 | 1298 | static int bond_option_ad_select_set(struct bonding *bond, |
28f084cc | 1299 | const struct bond_opt_value *newval) |
ec029fac | 1300 | { |
eac306b4 MD |
1301 | netdev_dbg(bond->dev, "Setting ad_select to %s (%llu)\n", |
1302 | newval->string, newval->value); | |
9e5f5eeb | 1303 | bond->params.ad_select = newval->value; |
ec029fac | 1304 | |
1305 | return 0; | |
1306 | } | |
24089ba1 | 1307 | |
f3253339 | 1308 | static int bond_option_queue_id_set(struct bonding *bond, |
28f084cc | 1309 | const struct bond_opt_value *newval) |
24089ba1 NA |
1310 | { |
1311 | struct slave *slave, *update_slave; | |
1312 | struct net_device *sdev; | |
1313 | struct list_head *iter; | |
1314 | char *delim; | |
1315 | int ret = 0; | |
1316 | u16 qid; | |
1317 | ||
1318 | /* delim will point to queue id if successful */ | |
1319 | delim = strchr(newval->string, ':'); | |
1320 | if (!delim) | |
1321 | goto err_no_cmd; | |
1322 | ||
1323 | /* Terminate string that points to device name and bump it | |
1324 | * up one, so we can read the queue id there. | |
1325 | */ | |
1326 | *delim = '\0'; | |
1327 | if (sscanf(++delim, "%hd\n", &qid) != 1) | |
1328 | goto err_no_cmd; | |
1329 | ||
1330 | /* Check buffer length, valid ifname and queue id */ | |
c313c89e | 1331 | if (!dev_valid_name(newval->string) || |
24089ba1 NA |
1332 | qid > bond->dev->real_num_tx_queues) |
1333 | goto err_no_cmd; | |
1334 | ||
1335 | /* Get the pointer to that interface if it exists */ | |
1336 | sdev = __dev_get_by_name(dev_net(bond->dev), newval->string); | |
1337 | if (!sdev) | |
1338 | goto err_no_cmd; | |
1339 | ||
1340 | /* Search for thes slave and check for duplicate qids */ | |
1341 | update_slave = NULL; | |
1342 | bond_for_each_slave(bond, slave, iter) { | |
1343 | if (sdev == slave->dev) | |
1344 | /* We don't need to check the matching | |
1345 | * slave for dups, since we're overwriting it | |
1346 | */ | |
1347 | update_slave = slave; | |
1348 | else if (qid && qid == slave->queue_id) { | |
1349 | goto err_no_cmd; | |
1350 | } | |
1351 | } | |
1352 | ||
1353 | if (!update_slave) | |
1354 | goto err_no_cmd; | |
1355 | ||
1356 | /* Actually set the qids for the slave */ | |
1357 | update_slave->queue_id = qid; | |
1358 | ||
1359 | out: | |
1360 | return ret; | |
1361 | ||
1362 | err_no_cmd: | |
eac306b4 | 1363 | netdev_dbg(bond->dev, "invalid input for queue_id set\n"); |
24089ba1 NA |
1364 | ret = -EPERM; |
1365 | goto out; | |
1366 | ||
1367 | } | |
0e2e5b66 | 1368 | |
f3253339 | 1369 | static int bond_option_slaves_set(struct bonding *bond, |
28f084cc | 1370 | const struct bond_opt_value *newval) |
0e2e5b66 NA |
1371 | { |
1372 | char command[IFNAMSIZ + 1] = { 0, }; | |
1373 | struct net_device *dev; | |
1374 | char *ifname; | |
1375 | int ret; | |
1376 | ||
1377 | sscanf(newval->string, "%16s", command); /* IFNAMSIZ*/ | |
1378 | ifname = command + 1; | |
1379 | if ((strlen(command) <= 1) || | |
415d3942 | 1380 | (command[0] != '+' && command[0] != '-') || |
0e2e5b66 NA |
1381 | !dev_valid_name(ifname)) |
1382 | goto err_no_cmd; | |
1383 | ||
1384 | dev = __dev_get_by_name(dev_net(bond->dev), ifname); | |
1385 | if (!dev) { | |
eac306b4 MD |
1386 | netdev_dbg(bond->dev, "interface %s does not exist!\n", |
1387 | ifname); | |
0e2e5b66 NA |
1388 | ret = -ENODEV; |
1389 | goto out; | |
1390 | } | |
1391 | ||
1392 | switch (command[0]) { | |
1393 | case '+': | |
f887e54c | 1394 | slave_dbg(bond->dev, dev, "Enslaving interface\n"); |
33eaf2a6 | 1395 | ret = bond_enslave(bond->dev, dev, NULL); |
0e2e5b66 NA |
1396 | break; |
1397 | ||
1398 | case '-': | |
f887e54c | 1399 | slave_dbg(bond->dev, dev, "Releasing interface\n"); |
0e2e5b66 NA |
1400 | ret = bond_release(bond->dev, dev); |
1401 | break; | |
1402 | ||
1403 | default: | |
415d3942 | 1404 | /* should not run here. */ |
0e2e5b66 NA |
1405 | goto err_no_cmd; |
1406 | } | |
1407 | ||
1408 | out: | |
1409 | return ret; | |
1410 | ||
1411 | err_no_cmd: | |
2de390ba | 1412 | netdev_err(bond->dev, "no command found in slaves file - use +ifname or -ifname\n"); |
0e2e5b66 NA |
1413 | ret = -EPERM; |
1414 | goto out; | |
1415 | } | |
e9f0fb88 MB |
1416 | |
1417 | static int bond_option_tlb_dynamic_lb_set(struct bonding *bond, | |
1418 | const struct bond_opt_value *newval) | |
1419 | { | |
eac306b4 MD |
1420 | netdev_dbg(bond->dev, "Setting dynamic-lb to %s (%llu)\n", |
1421 | newval->string, newval->value); | |
e9f0fb88 MB |
1422 | bond->params.tlb_dynamic_lb = newval->value; |
1423 | ||
1424 | return 0; | |
1425 | } | |
6791e466 MB |
1426 | |
1427 | static int bond_option_ad_actor_sys_prio_set(struct bonding *bond, | |
1428 | const struct bond_opt_value *newval) | |
1429 | { | |
eac306b4 MD |
1430 | netdev_dbg(bond->dev, "Setting ad_actor_sys_prio to %llu\n", |
1431 | newval->value); | |
6791e466 MB |
1432 | |
1433 | bond->params.ad_actor_sys_prio = newval->value; | |
5ee14e6d NA |
1434 | bond_3ad_update_ad_actor_settings(bond); |
1435 | ||
6791e466 MB |
1436 | return 0; |
1437 | } | |
74514957 MB |
1438 | |
1439 | static int bond_option_ad_actor_system_set(struct bonding *bond, | |
1440 | const struct bond_opt_value *newval) | |
1441 | { | |
1442 | u8 macaddr[ETH_ALEN]; | |
171a42c3 | 1443 | u8 *mac; |
74514957 | 1444 | |
171a42c3 | 1445 | if (newval->string) { |
ce5c144f | 1446 | if (!mac_pton(newval->string, macaddr)) |
171a42c3 AG |
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: | |
f887e54c | 1463 | netdev_err(bond->dev, "Invalid ad_actor_system MAC address.\n"); |
171a42c3 | 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 | } |