Commit | Line | Data |
---|---|---|
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 | ||
f45583de | 748 | static bool bond_set_xfrm_features(struct bonding *bond) |
007ab534 JW |
749 | { |
750 | if (!IS_ENABLED(CONFIG_XFRM_OFFLOAD)) | |
f45583de | 751 | return false; |
007ab534 | 752 | |
f45583de TT |
753 | if (BOND_MODE(bond) == BOND_MODE_ACTIVEBACKUP) |
754 | bond->dev->wanted_features |= BOND_XFRM_FEATURES; | |
007ab534 | 755 | else |
f45583de | 756 | bond->dev->wanted_features &= ~BOND_XFRM_FEATURES; |
007ab534 | 757 | |
f45583de | 758 | return true; |
007ab534 JW |
759 | } |
760 | ||
ff11d8b2 NA |
761 | static int bond_option_mode_set(struct bonding *bond, |
762 | const struct bond_opt_value *newval) | |
72be35fe | 763 | { |
c1f897ce JW |
764 | if (!bond_mode_uses_arp(newval->value)) { |
765 | if (bond->params.arp_interval) { | |
766 | netdev_dbg(bond->dev, "%s mode is incompatible with arp monitoring, start mii monitoring\n", | |
767 | newval->string); | |
768 | /* disable arp monitoring */ | |
769 | bond->params.arp_interval = 0; | |
770 | } | |
771 | ||
772 | if (!bond->params.miimon) { | |
773 | /* set miimon to default value */ | |
774 | bond->params.miimon = BOND_DEFAULT_MIIMON; | |
775 | netdev_dbg(bond->dev, "Setting MII monitoring interval to %d\n", | |
776 | bond->params.miimon); | |
777 | } | |
72be35fe JP |
778 | } |
779 | ||
c6644d07 KT |
780 | if (newval->value == BOND_MODE_ALB) |
781 | bond->params.tlb_dynamic_lb = 1; | |
782 | ||
72be35fe JP |
783 | /* don't cache arp_validate between modes */ |
784 | bond->params.arp_validate = BOND_ARP_VALIDATE_NONE; | |
2b3798d5 NA |
785 | bond->params.mode = newval->value; |
786 | ||
f45583de TT |
787 | if (bond->dev->reg_state == NETREG_REGISTERED) |
788 | if (bond_set_xfrm_features(bond)) | |
789 | netdev_update_features(bond->dev); | |
790 | ||
72be35fe JP |
791 | return 0; |
792 | } | |
d9e32b21 | 793 | |
f3253339 | 794 | static int bond_option_active_slave_set(struct bonding *bond, |
28f084cc | 795 | const struct bond_opt_value *newval) |
d9e32b21 | 796 | { |
d1fbd3ed NA |
797 | char ifname[IFNAMSIZ] = { 0, }; |
798 | struct net_device *slave_dev; | |
d9e32b21 JP |
799 | int ret = 0; |
800 | ||
d1fbd3ed NA |
801 | sscanf(newval->string, "%15s", ifname); /* IFNAMSIZ */ |
802 | if (!strlen(ifname) || newval->string[0] == '\n') { | |
803 | slave_dev = NULL; | |
804 | } else { | |
805 | slave_dev = __dev_get_by_name(dev_net(bond->dev), ifname); | |
806 | if (!slave_dev) | |
807 | return -ENODEV; | |
808 | } | |
809 | ||
d9e32b21 JP |
810 | if (slave_dev) { |
811 | if (!netif_is_bond_slave(slave_dev)) { | |
f887e54c | 812 | slave_err(bond->dev, slave_dev, "Device is not bonding slave\n"); |
d9e32b21 JP |
813 | return -EINVAL; |
814 | } | |
815 | ||
816 | if (bond->dev != netdev_master_upper_dev_get(slave_dev)) { | |
f887e54c | 817 | slave_err(bond->dev, slave_dev, "Device is not our slave\n"); |
d9e32b21 JP |
818 | return -EINVAL; |
819 | } | |
820 | } | |
821 | ||
d9e32b21 | 822 | block_netpoll_tx(); |
d9e32b21 JP |
823 | /* check to see if we are clearing active */ |
824 | if (!slave_dev) { | |
eac306b4 | 825 | netdev_dbg(bond->dev, "Clearing current active slave\n"); |
8800a244 | 826 | RCU_INIT_POINTER(bond->curr_active_slave, NULL); |
d9e32b21 JP |
827 | bond_select_active_slave(bond); |
828 | } else { | |
1c72cfdc | 829 | struct slave *old_active = rtnl_dereference(bond->curr_active_slave); |
d9e32b21 JP |
830 | struct slave *new_active = bond_slave_get_rtnl(slave_dev); |
831 | ||
832 | BUG_ON(!new_active); | |
833 | ||
834 | if (new_active == old_active) { | |
835 | /* do nothing */ | |
f887e54c | 836 | slave_dbg(bond->dev, new_active->dev, "is already the current active slave\n"); |
d9e32b21 JP |
837 | } else { |
838 | if (old_active && (new_active->link == BOND_LINK_UP) && | |
b6adc610 | 839 | bond_slave_is_up(new_active)) { |
f887e54c | 840 | slave_dbg(bond->dev, new_active->dev, "Setting as active slave\n"); |
d9e32b21 JP |
841 | bond_change_active_slave(bond, new_active); |
842 | } else { | |
f887e54c JW |
843 | slave_err(bond->dev, new_active->dev, "Could not set as active slave; either %s is down or the link is down\n", |
844 | new_active->dev->name); | |
d9e32b21 JP |
845 | ret = -EINVAL; |
846 | } | |
847 | } | |
848 | } | |
d9e32b21 | 849 | unblock_netpoll_tx(); |
d1fbd3ed | 850 | |
d9e32b21 JP |
851 | return ret; |
852 | } | |
eecdaa6e | 853 | |
dc3e5d18 NA |
854 | /* There are two tricky bits here. First, if MII monitoring is activated, then |
855 | * we must disable ARP monitoring. Second, if the timer isn't running, we must | |
856 | * start it. | |
857 | */ | |
f3253339 | 858 | static int bond_option_miimon_set(struct bonding *bond, |
28f084cc | 859 | const struct bond_opt_value *newval) |
eecdaa6e | 860 | { |
eac306b4 MD |
861 | netdev_dbg(bond->dev, "Setting MII monitoring interval to %llu\n", |
862 | newval->value); | |
b98d9c66 | 863 | bond->params.miimon = newval->value; |
eecdaa6e | 864 | if (bond->params.updelay) |
eac306b4 MD |
865 | netdev_dbg(bond->dev, "Note: Updating updelay (to %d) since it is a multiple of the miimon value\n", |
866 | bond->params.updelay * bond->params.miimon); | |
eecdaa6e | 867 | if (bond->params.downdelay) |
eac306b4 MD |
868 | netdev_dbg(bond->dev, "Note: Updating downdelay (to %d) since it is a multiple of the miimon value\n", |
869 | bond->params.downdelay * bond->params.miimon); | |
07a4ddec VB |
870 | if (bond->params.peer_notif_delay) |
871 | netdev_dbg(bond->dev, "Note: Updating peer_notif_delay (to %d) since it is a multiple of the miimon value\n", | |
872 | bond->params.peer_notif_delay * bond->params.miimon); | |
b98d9c66 | 873 | if (newval->value && bond->params.arp_interval) { |
eac306b4 | 874 | netdev_dbg(bond->dev, "MII monitoring cannot be used with ARP monitoring - disabling ARP monitoring...\n"); |
eecdaa6e | 875 | bond->params.arp_interval = 0; |
876 | if (bond->params.arp_validate) | |
877 | bond->params.arp_validate = BOND_ARP_VALIDATE_NONE; | |
878 | } | |
879 | if (bond->dev->flags & IFF_UP) { | |
880 | /* If the interface is up, we may need to fire off | |
881 | * the MII timer. If the interface is down, the | |
882 | * timer will get fired off when the open function | |
883 | * is called. | |
884 | */ | |
b98d9c66 | 885 | if (!newval->value) { |
eecdaa6e | 886 | cancel_delayed_work_sync(&bond->mii_work); |
887 | } else { | |
888 | cancel_delayed_work_sync(&bond->arp_work); | |
889 | queue_delayed_work(bond->wq, &bond->mii_work, 0); | |
890 | } | |
891 | } | |
b98d9c66 | 892 | |
eecdaa6e | 893 | return 0; |
894 | } | |
25852e29 | 895 | |
07a4ddec VB |
896 | /* Set up, down and peer notification delays. These must be multiples |
897 | * of the MII monitoring value, and are stored internally as the | |
898 | * multiplier. Thus, we must translate to MS for the real world. | |
dc3e5d18 | 899 | */ |
07a4ddec VB |
900 | static int _bond_option_delay_set(struct bonding *bond, |
901 | const struct bond_opt_value *newval, | |
902 | const char *name, | |
903 | int *target) | |
25852e29 | 904 | { |
0681a282 NA |
905 | int value = newval->value; |
906 | ||
e4994612 | 907 | if (!bond->params.miimon) { |
07a4ddec VB |
908 | netdev_err(bond->dev, "Unable to set %s as MII monitoring is disabled\n", |
909 | name); | |
25852e29 | 910 | return -EPERM; |
911 | } | |
0681a282 | 912 | if ((value % bond->params.miimon) != 0) { |
07a4ddec VB |
913 | netdev_warn(bond->dev, |
914 | "%s (%d) is not a multiple of miimon (%d), value rounded to %d ms\n", | |
915 | name, | |
2de390ba VF |
916 | value, bond->params.miimon, |
917 | (value / bond->params.miimon) * | |
918 | bond->params.miimon); | |
25852e29 | 919 | } |
07a4ddec VB |
920 | *target = value / bond->params.miimon; |
921 | netdev_dbg(bond->dev, "Setting %s to %d\n", | |
922 | name, | |
923 | *target * bond->params.miimon); | |
25852e29 | 924 | |
925 | return 0; | |
926 | } | |
c7461f9b | 927 | |
07a4ddec VB |
928 | static int bond_option_updelay_set(struct bonding *bond, |
929 | const struct bond_opt_value *newval) | |
930 | { | |
931 | return _bond_option_delay_set(bond, newval, "up delay", | |
932 | &bond->params.updelay); | |
933 | } | |
934 | ||
f3253339 | 935 | static int bond_option_downdelay_set(struct bonding *bond, |
28f084cc | 936 | const struct bond_opt_value *newval) |
c7461f9b | 937 | { |
07a4ddec VB |
938 | return _bond_option_delay_set(bond, newval, "down delay", |
939 | &bond->params.downdelay); | |
940 | } | |
c7461f9b | 941 | |
07a4ddec VB |
942 | static int bond_option_peer_notif_delay_set(struct bonding *bond, |
943 | const struct bond_opt_value *newval) | |
944 | { | |
945 | int ret = _bond_option_delay_set(bond, newval, | |
946 | "peer notification delay", | |
947 | &bond->params.peer_notif_delay); | |
948 | return ret; | |
c7461f9b | 949 | } |
9f53e14e | 950 | |
f3253339 | 951 | static int bond_option_use_carrier_set(struct bonding *bond, |
28f084cc | 952 | const struct bond_opt_value *newval) |
9f53e14e | 953 | { |
eac306b4 MD |
954 | netdev_dbg(bond->dev, "Setting use_carrier to %llu\n", |
955 | newval->value); | |
0fff0608 | 956 | bond->params.use_carrier = newval->value; |
9f53e14e | 957 | |
958 | return 0; | |
959 | } | |
06151dbc | 960 | |
dc3e5d18 NA |
961 | /* There are two tricky bits here. First, if ARP monitoring is activated, then |
962 | * we must disable MII monitoring. Second, if the ARP timer isn't running, | |
963 | * we must start it. | |
964 | */ | |
f3253339 | 965 | static int bond_option_arp_interval_set(struct bonding *bond, |
28f084cc | 966 | const struct bond_opt_value *newval) |
06151dbc | 967 | { |
eac306b4 MD |
968 | netdev_dbg(bond->dev, "Setting ARP monitoring interval to %llu\n", |
969 | newval->value); | |
7bdb04ed NA |
970 | bond->params.arp_interval = newval->value; |
971 | if (newval->value) { | |
06151dbc | 972 | if (bond->params.miimon) { |
eac306b4 | 973 | netdev_dbg(bond->dev, "ARP monitoring cannot be used with MII monitoring. Disabling MII monitoring\n"); |
06151dbc | 974 | bond->params.miimon = 0; |
975 | } | |
976 | if (!bond->params.arp_targets[0]) | |
eac306b4 | 977 | netdev_dbg(bond->dev, "ARP monitoring has been set up, but no ARP targets have been specified\n"); |
06151dbc | 978 | } |
979 | if (bond->dev->flags & IFF_UP) { | |
980 | /* If the interface is up, we may need to fire off | |
981 | * the ARP timer. If the interface is down, the | |
982 | * timer will get fired off when the open function | |
983 | * is called. | |
984 | */ | |
7bdb04ed | 985 | if (!newval->value) { |
06151dbc | 986 | if (bond->params.arp_validate) |
987 | bond->recv_probe = NULL; | |
988 | cancel_delayed_work_sync(&bond->arp_work); | |
989 | } else { | |
990 | /* arp_validate can be set only in active-backup mode */ | |
3fe68df9 | 991 | bond->recv_probe = bond_arp_rcv; |
06151dbc | 992 | cancel_delayed_work_sync(&bond->mii_work); |
993 | queue_delayed_work(bond->wq, &bond->arp_work, 0); | |
994 | } | |
995 | } | |
996 | ||
997 | return 0; | |
998 | } | |
7f28fa10 | 999 | |
1000 | static void _bond_options_arp_ip_target_set(struct bonding *bond, int slot, | |
1001 | __be32 target, | |
1002 | unsigned long last_rx) | |
1003 | { | |
1004 | __be32 *targets = bond->params.arp_targets; | |
1005 | struct list_head *iter; | |
1006 | struct slave *slave; | |
1007 | ||
1008 | if (slot >= 0 && slot < BOND_MAX_ARP_TARGETS) { | |
1009 | bond_for_each_slave(bond, slave, iter) | |
1010 | slave->target_last_arp_rx[slot] = last_rx; | |
1011 | targets[slot] = target; | |
1012 | } | |
1013 | } | |
1014 | ||
1015 | static int _bond_option_arp_ip_target_add(struct bonding *bond, __be32 target) | |
1016 | { | |
1017 | __be32 *targets = bond->params.arp_targets; | |
1018 | int ind; | |
1019 | ||
2807a9fe | 1020 | if (!bond_is_ip_target_ok(target)) { |
2de390ba VF |
1021 | netdev_err(bond->dev, "invalid ARP target %pI4 specified for addition\n", |
1022 | &target); | |
7f28fa10 | 1023 | return -EINVAL; |
1024 | } | |
1025 | ||
1026 | if (bond_get_targets_ip(targets, target) != -1) { /* dup */ | |
2de390ba VF |
1027 | netdev_err(bond->dev, "ARP target %pI4 is already present\n", |
1028 | &target); | |
7f28fa10 | 1029 | return -EINVAL; |
1030 | } | |
1031 | ||
1032 | ind = bond_get_targets_ip(targets, 0); /* first free slot */ | |
1033 | if (ind == -1) { | |
2de390ba | 1034 | netdev_err(bond->dev, "ARP target table is full!\n"); |
7f28fa10 | 1035 | return -EINVAL; |
1036 | } | |
1037 | ||
eac306b4 | 1038 | netdev_dbg(bond->dev, "Adding ARP target %pI4\n", &target); |
7f28fa10 | 1039 | |
1040 | _bond_options_arp_ip_target_set(bond, ind, target, jiffies); | |
1041 | ||
1042 | return 0; | |
1043 | } | |
1044 | ||
f3253339 | 1045 | static int bond_option_arp_ip_target_add(struct bonding *bond, __be32 target) |
7f28fa10 | 1046 | { |
246df7b4 | 1047 | return _bond_option_arp_ip_target_add(bond, target); |
7f28fa10 | 1048 | } |
1049 | ||
f3253339 | 1050 | static int bond_option_arp_ip_target_rem(struct bonding *bond, __be32 target) |
7f28fa10 | 1051 | { |
1052 | __be32 *targets = bond->params.arp_targets; | |
1053 | struct list_head *iter; | |
1054 | struct slave *slave; | |
1055 | unsigned long *targets_rx; | |
1056 | int ind, i; | |
1057 | ||
2807a9fe | 1058 | if (!bond_is_ip_target_ok(target)) { |
2de390ba VF |
1059 | netdev_err(bond->dev, "invalid ARP target %pI4 specified for removal\n", |
1060 | &target); | |
7f28fa10 | 1061 | return -EINVAL; |
1062 | } | |
1063 | ||
1064 | ind = bond_get_targets_ip(targets, target); | |
1065 | if (ind == -1) { | |
2de390ba VF |
1066 | netdev_err(bond->dev, "unable to remove nonexistent ARP target %pI4\n", |
1067 | &target); | |
7f28fa10 | 1068 | return -EINVAL; |
1069 | } | |
1070 | ||
1071 | if (ind == 0 && !targets[1] && bond->params.arp_interval) | |
2de390ba | 1072 | netdev_warn(bond->dev, "Removing last arp target with arp_interval on\n"); |
7f28fa10 | 1073 | |
eac306b4 | 1074 | netdev_dbg(bond->dev, "Removing ARP target %pI4\n", &target); |
7f28fa10 | 1075 | |
7f28fa10 | 1076 | bond_for_each_slave(bond, slave, iter) { |
1077 | targets_rx = slave->target_last_arp_rx; | |
1078 | for (i = ind; (i < BOND_MAX_ARP_TARGETS-1) && targets[i+1]; i++) | |
1079 | targets_rx[i] = targets_rx[i+1]; | |
1080 | targets_rx[i] = 0; | |
1081 | } | |
1082 | for (i = ind; (i < BOND_MAX_ARP_TARGETS-1) && targets[i+1]; i++) | |
1083 | targets[i] = targets[i+1]; | |
1084 | targets[i] = 0; | |
1085 | ||
7f28fa10 | 1086 | return 0; |
1087 | } | |
1088 | ||
4fb0ef58 | 1089 | void bond_option_arp_ip_targets_clear(struct bonding *bond) |
7f28fa10 | 1090 | { |
4fb0ef58 | 1091 | int i; |
7f28fa10 | 1092 | |
7f28fa10 | 1093 | for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) |
1094 | _bond_options_arp_ip_target_set(bond, i, 0, 0); | |
4fb0ef58 | 1095 | } |
7f28fa10 | 1096 | |
f3253339 | 1097 | static int bond_option_arp_ip_targets_set(struct bonding *bond, |
28f084cc | 1098 | const struct bond_opt_value *newval) |
4fb0ef58 NA |
1099 | { |
1100 | int ret = -EPERM; | |
1101 | __be32 target; | |
1102 | ||
1103 | if (newval->string) { | |
1104 | if (!in4_pton(newval->string+1, -1, (u8 *)&target, -1, NULL)) { | |
2de390ba VF |
1105 | netdev_err(bond->dev, "invalid ARP target %pI4 specified\n", |
1106 | &target); | |
4fb0ef58 NA |
1107 | return ret; |
1108 | } | |
1109 | if (newval->string[0] == '+') | |
1110 | ret = bond_option_arp_ip_target_add(bond, target); | |
1111 | else if (newval->string[0] == '-') | |
1112 | ret = bond_option_arp_ip_target_rem(bond, target); | |
1113 | else | |
2de390ba | 1114 | netdev_err(bond->dev, "no command found in arp_ip_targets file - use +<addr> or -<addr>\n"); |
4fb0ef58 NA |
1115 | } else { |
1116 | target = newval->value; | |
1117 | ret = bond_option_arp_ip_target_add(bond, target); | |
7f28fa10 | 1118 | } |
1119 | ||
7f28fa10 | 1120 | return ret; |
1121 | } | |
29c49482 | 1122 | |
f3253339 | 1123 | static int bond_option_arp_validate_set(struct bonding *bond, |
28f084cc | 1124 | const struct bond_opt_value *newval) |
29c49482 | 1125 | { |
eac306b4 MD |
1126 | netdev_dbg(bond->dev, "Setting arp_validate to %s (%llu)\n", |
1127 | newval->string, newval->value); | |
16228881 | 1128 | bond->params.arp_validate = newval->value; |
29c49482 | 1129 | |
1130 | return 0; | |
1131 | } | |
d5c84254 | 1132 | |
f3253339 | 1133 | static int bond_option_arp_all_targets_set(struct bonding *bond, |
28f084cc | 1134 | const struct bond_opt_value *newval) |
d5c84254 | 1135 | { |
eac306b4 MD |
1136 | netdev_dbg(bond->dev, "Setting arp_all_targets to %s (%llu)\n", |
1137 | newval->string, newval->value); | |
edf36b24 | 1138 | bond->params.arp_all_targets = newval->value; |
d5c84254 | 1139 | |
1140 | return 0; | |
1141 | } | |
0a98a0d1 | 1142 | |
f3253339 | 1143 | static int bond_option_primary_set(struct bonding *bond, |
28f084cc | 1144 | const struct bond_opt_value *newval) |
0a98a0d1 | 1145 | { |
180222f0 | 1146 | char *p, *primary = newval->string; |
0a98a0d1 | 1147 | struct list_head *iter; |
1148 | struct slave *slave; | |
0a98a0d1 | 1149 | |
1150 | block_netpoll_tx(); | |
0a98a0d1 | 1151 | |
180222f0 NA |
1152 | p = strchr(primary, '\n'); |
1153 | if (p) | |
1154 | *p = '\0'; | |
0a98a0d1 | 1155 | /* check to see if we are clearing primary */ |
1156 | if (!strlen(primary)) { | |
eac306b4 | 1157 | netdev_dbg(bond->dev, "Setting primary slave to None\n"); |
059b47e8 | 1158 | RCU_INIT_POINTER(bond->primary_slave, NULL); |
0a98a0d1 | 1159 | memset(bond->params.primary, 0, sizeof(bond->params.primary)); |
1160 | bond_select_active_slave(bond); | |
1161 | goto out; | |
1162 | } | |
1163 | ||
1164 | bond_for_each_slave(bond, slave, iter) { | |
1165 | if (strncmp(slave->dev->name, primary, IFNAMSIZ) == 0) { | |
f887e54c | 1166 | slave_dbg(bond->dev, slave->dev, "Setting as primary slave\n"); |
059b47e8 | 1167 | rcu_assign_pointer(bond->primary_slave, slave); |
0a98a0d1 | 1168 | strcpy(bond->params.primary, slave->dev->name); |
eb55bbf8 | 1169 | bond->force_primary = true; |
0a98a0d1 | 1170 | bond_select_active_slave(bond); |
1171 | goto out; | |
1172 | } | |
1173 | } | |
1174 | ||
059b47e8 | 1175 | if (rtnl_dereference(bond->primary_slave)) { |
eac306b4 | 1176 | netdev_dbg(bond->dev, "Setting primary slave to None\n"); |
059b47e8 | 1177 | RCU_INIT_POINTER(bond->primary_slave, NULL); |
c59ab673 | 1178 | bond_select_active_slave(bond); |
1179 | } | |
0a98a0d1 | 1180 | strncpy(bond->params.primary, primary, IFNAMSIZ); |
1181 | bond->params.primary[IFNAMSIZ - 1] = 0; | |
1182 | ||
f887e54c JW |
1183 | netdev_dbg(bond->dev, "Recording %s as primary, but it has not been enslaved yet\n", |
1184 | primary); | |
0a98a0d1 | 1185 | |
1186 | out: | |
0a98a0d1 | 1187 | unblock_netpoll_tx(); |
1188 | ||
180222f0 | 1189 | return 0; |
0a98a0d1 | 1190 | } |
8a41ae44 | 1191 | |
f3253339 | 1192 | static int bond_option_primary_reselect_set(struct bonding *bond, |
28f084cc | 1193 | const struct bond_opt_value *newval) |
8a41ae44 | 1194 | { |
eac306b4 MD |
1195 | netdev_dbg(bond->dev, "Setting primary_reselect to %s (%llu)\n", |
1196 | newval->string, newval->value); | |
388d3a6d | 1197 | bond->params.primary_reselect = newval->value; |
8a41ae44 | 1198 | |
1199 | block_netpoll_tx(); | |
8a41ae44 | 1200 | bond_select_active_slave(bond); |
8a41ae44 | 1201 | unblock_netpoll_tx(); |
1202 | ||
1203 | return 0; | |
1204 | } | |
89901972 | 1205 | |
f3253339 | 1206 | static int bond_option_fail_over_mac_set(struct bonding *bond, |
28f084cc | 1207 | const struct bond_opt_value *newval) |
89901972 | 1208 | { |
eac306b4 MD |
1209 | netdev_dbg(bond->dev, "Setting fail_over_mac to %s (%llu)\n", |
1210 | newval->string, newval->value); | |
1df6b6aa | 1211 | bond->params.fail_over_mac = newval->value; |
89901972 | 1212 | |
1213 | return 0; | |
1214 | } | |
f70161c6 | 1215 | |
f3253339 | 1216 | static int bond_option_xmit_hash_policy_set(struct bonding *bond, |
28f084cc | 1217 | const struct bond_opt_value *newval) |
f70161c6 | 1218 | { |
eac306b4 MD |
1219 | netdev_dbg(bond->dev, "Setting xmit hash policy to %s (%llu)\n", |
1220 | newval->string, newval->value); | |
a4b32ce7 | 1221 | bond->params.xmit_policy = newval->value; |
f70161c6 | 1222 | |
1223 | return 0; | |
1224 | } | |
d8838de7 | 1225 | |
f3253339 | 1226 | static int bond_option_resend_igmp_set(struct bonding *bond, |
28f084cc | 1227 | const struct bond_opt_value *newval) |
d8838de7 | 1228 | { |
eac306b4 MD |
1229 | netdev_dbg(bond->dev, "Setting resend_igmp to %llu\n", |
1230 | newval->value); | |
105c8fb6 | 1231 | bond->params.resend_igmp = newval->value; |
d8838de7 | 1232 | |
1233 | return 0; | |
1234 | } | |
2c9839c1 | 1235 | |
f3253339 | 1236 | static int bond_option_num_peer_notif_set(struct bonding *bond, |
28f084cc | 1237 | const struct bond_opt_value *newval) |
2c9839c1 | 1238 | { |
ef56becb NA |
1239 | bond->params.num_peer_notif = newval->value; |
1240 | ||
2c9839c1 | 1241 | return 0; |
1242 | } | |
1cc0b1e3 | 1243 | |
f3253339 | 1244 | static int bond_option_all_slaves_active_set(struct bonding *bond, |
28f084cc | 1245 | const struct bond_opt_value *newval) |
1cc0b1e3 | 1246 | { |
1247 | struct list_head *iter; | |
1248 | struct slave *slave; | |
1249 | ||
3df01162 | 1250 | if (newval->value == bond->params.all_slaves_active) |
1cc0b1e3 | 1251 | return 0; |
3df01162 | 1252 | bond->params.all_slaves_active = newval->value; |
1cc0b1e3 | 1253 | bond_for_each_slave(bond, slave, iter) { |
1254 | if (!bond_is_active_slave(slave)) { | |
3df01162 | 1255 | if (newval->value) |
1cc0b1e3 | 1256 | slave->inactive = 0; |
1257 | else | |
1258 | slave->inactive = 1; | |
1259 | } | |
1260 | } | |
1261 | ||
1262 | return 0; | |
1263 | } | |
7d101008 | 1264 | |
f3253339 | 1265 | static int bond_option_min_links_set(struct bonding *bond, |
28f084cc | 1266 | const struct bond_opt_value *newval) |
7d101008 | 1267 | { |
eac306b4 MD |
1268 | netdev_dbg(bond->dev, "Setting min links value to %llu\n", |
1269 | newval->value); | |
633ddc9e | 1270 | bond->params.min_links = newval->value; |
2477bc9a | 1271 | bond_set_carrier(bond); |
7d101008 | 1272 | |
1273 | return 0; | |
1274 | } | |
8d836d09 | 1275 | |
f3253339 | 1276 | static int bond_option_lp_interval_set(struct bonding *bond, |
28f084cc | 1277 | const struct bond_opt_value *newval) |
8d836d09 | 1278 | { |
4325b374 | 1279 | bond->params.lp_interval = newval->value; |
8d836d09 | 1280 | |
1281 | return 0; | |
1282 | } | |
c13ab3ff | 1283 | |
f3253339 | 1284 | static int bond_option_pps_set(struct bonding *bond, |
28f084cc | 1285 | const struct bond_opt_value *newval) |
c13ab3ff | 1286 | { |
eac306b4 MD |
1287 | netdev_dbg(bond->dev, "Setting packets per slave to %llu\n", |
1288 | newval->value); | |
aa59d851 NA |
1289 | bond->params.packets_per_slave = newval->value; |
1290 | if (newval->value > 0) { | |
809fa972 | 1291 | bond->params.reciprocal_packets_per_slave = |
aa59d851 | 1292 | reciprocal_value(newval->value); |
809fa972 HFS |
1293 | } else { |
1294 | /* reciprocal_packets_per_slave is unused if | |
1295 | * packets_per_slave is 0 or 1, just initialize it | |
1296 | */ | |
1297 | bond->params.reciprocal_packets_per_slave = | |
1298 | (struct reciprocal_value) { 0 }; | |
1299 | } | |
c13ab3ff | 1300 | |
1301 | return 0; | |
1302 | } | |
998e40bb | 1303 | |
f3253339 | 1304 | static int bond_option_lacp_rate_set(struct bonding *bond, |
28f084cc | 1305 | const struct bond_opt_value *newval) |
998e40bb | 1306 | { |
eac306b4 MD |
1307 | netdev_dbg(bond->dev, "Setting LACP rate to %s (%llu)\n", |
1308 | newval->string, newval->value); | |
d3131de7 | 1309 | bond->params.lacp_fast = newval->value; |
3243c47b | 1310 | bond_3ad_update_lacp_rate(bond); |
998e40bb | 1311 | |
1312 | return 0; | |
1313 | } | |
ec029fac | 1314 | |
f3253339 | 1315 | static int bond_option_ad_select_set(struct bonding *bond, |
28f084cc | 1316 | const struct bond_opt_value *newval) |
ec029fac | 1317 | { |
eac306b4 MD |
1318 | netdev_dbg(bond->dev, "Setting ad_select to %s (%llu)\n", |
1319 | newval->string, newval->value); | |
9e5f5eeb | 1320 | bond->params.ad_select = newval->value; |
ec029fac | 1321 | |
1322 | return 0; | |
1323 | } | |
24089ba1 | 1324 | |
f3253339 | 1325 | static int bond_option_queue_id_set(struct bonding *bond, |
28f084cc | 1326 | const struct bond_opt_value *newval) |
24089ba1 NA |
1327 | { |
1328 | struct slave *slave, *update_slave; | |
1329 | struct net_device *sdev; | |
1330 | struct list_head *iter; | |
1331 | char *delim; | |
1332 | int ret = 0; | |
1333 | u16 qid; | |
1334 | ||
1335 | /* delim will point to queue id if successful */ | |
1336 | delim = strchr(newval->string, ':'); | |
1337 | if (!delim) | |
1338 | goto err_no_cmd; | |
1339 | ||
1340 | /* Terminate string that points to device name and bump it | |
1341 | * up one, so we can read the queue id there. | |
1342 | */ | |
1343 | *delim = '\0'; | |
1344 | if (sscanf(++delim, "%hd\n", &qid) != 1) | |
1345 | goto err_no_cmd; | |
1346 | ||
1347 | /* Check buffer length, valid ifname and queue id */ | |
c313c89e | 1348 | if (!dev_valid_name(newval->string) || |
24089ba1 NA |
1349 | qid > bond->dev->real_num_tx_queues) |
1350 | goto err_no_cmd; | |
1351 | ||
1352 | /* Get the pointer to that interface if it exists */ | |
1353 | sdev = __dev_get_by_name(dev_net(bond->dev), newval->string); | |
1354 | if (!sdev) | |
1355 | goto err_no_cmd; | |
1356 | ||
1357 | /* Search for thes slave and check for duplicate qids */ | |
1358 | update_slave = NULL; | |
1359 | bond_for_each_slave(bond, slave, iter) { | |
1360 | if (sdev == slave->dev) | |
1361 | /* We don't need to check the matching | |
1362 | * slave for dups, since we're overwriting it | |
1363 | */ | |
1364 | update_slave = slave; | |
1365 | else if (qid && qid == slave->queue_id) { | |
1366 | goto err_no_cmd; | |
1367 | } | |
1368 | } | |
1369 | ||
1370 | if (!update_slave) | |
1371 | goto err_no_cmd; | |
1372 | ||
1373 | /* Actually set the qids for the slave */ | |
1374 | update_slave->queue_id = qid; | |
1375 | ||
1376 | out: | |
1377 | return ret; | |
1378 | ||
1379 | err_no_cmd: | |
eac306b4 | 1380 | netdev_dbg(bond->dev, "invalid input for queue_id set\n"); |
24089ba1 NA |
1381 | ret = -EPERM; |
1382 | goto out; | |
1383 | ||
1384 | } | |
0e2e5b66 | 1385 | |
f3253339 | 1386 | static int bond_option_slaves_set(struct bonding *bond, |
28f084cc | 1387 | const struct bond_opt_value *newval) |
0e2e5b66 NA |
1388 | { |
1389 | char command[IFNAMSIZ + 1] = { 0, }; | |
1390 | struct net_device *dev; | |
1391 | char *ifname; | |
1392 | int ret; | |
1393 | ||
1394 | sscanf(newval->string, "%16s", command); /* IFNAMSIZ*/ | |
1395 | ifname = command + 1; | |
1396 | if ((strlen(command) <= 1) || | |
415d3942 | 1397 | (command[0] != '+' && command[0] != '-') || |
0e2e5b66 NA |
1398 | !dev_valid_name(ifname)) |
1399 | goto err_no_cmd; | |
1400 | ||
1401 | dev = __dev_get_by_name(dev_net(bond->dev), ifname); | |
1402 | if (!dev) { | |
eac306b4 MD |
1403 | netdev_dbg(bond->dev, "interface %s does not exist!\n", |
1404 | ifname); | |
0e2e5b66 NA |
1405 | ret = -ENODEV; |
1406 | goto out; | |
1407 | } | |
1408 | ||
1409 | switch (command[0]) { | |
1410 | case '+': | |
f887e54c | 1411 | slave_dbg(bond->dev, dev, "Enslaving interface\n"); |
33eaf2a6 | 1412 | ret = bond_enslave(bond->dev, dev, NULL); |
0e2e5b66 NA |
1413 | break; |
1414 | ||
1415 | case '-': | |
f887e54c | 1416 | slave_dbg(bond->dev, dev, "Releasing interface\n"); |
0e2e5b66 NA |
1417 | ret = bond_release(bond->dev, dev); |
1418 | break; | |
1419 | ||
1420 | default: | |
415d3942 | 1421 | /* should not run here. */ |
0e2e5b66 NA |
1422 | goto err_no_cmd; |
1423 | } | |
1424 | ||
1425 | out: | |
1426 | return ret; | |
1427 | ||
1428 | err_no_cmd: | |
2de390ba | 1429 | netdev_err(bond->dev, "no command found in slaves file - use +ifname or -ifname\n"); |
0e2e5b66 NA |
1430 | ret = -EPERM; |
1431 | goto out; | |
1432 | } | |
e9f0fb88 MB |
1433 | |
1434 | static int bond_option_tlb_dynamic_lb_set(struct bonding *bond, | |
1435 | const struct bond_opt_value *newval) | |
1436 | { | |
eac306b4 MD |
1437 | netdev_dbg(bond->dev, "Setting dynamic-lb to %s (%llu)\n", |
1438 | newval->string, newval->value); | |
e9f0fb88 MB |
1439 | bond->params.tlb_dynamic_lb = newval->value; |
1440 | ||
1441 | return 0; | |
1442 | } | |
6791e466 MB |
1443 | |
1444 | static int bond_option_ad_actor_sys_prio_set(struct bonding *bond, | |
1445 | const struct bond_opt_value *newval) | |
1446 | { | |
eac306b4 MD |
1447 | netdev_dbg(bond->dev, "Setting ad_actor_sys_prio to %llu\n", |
1448 | newval->value); | |
6791e466 MB |
1449 | |
1450 | bond->params.ad_actor_sys_prio = newval->value; | |
5ee14e6d NA |
1451 | bond_3ad_update_ad_actor_settings(bond); |
1452 | ||
6791e466 MB |
1453 | return 0; |
1454 | } | |
74514957 MB |
1455 | |
1456 | static int bond_option_ad_actor_system_set(struct bonding *bond, | |
1457 | const struct bond_opt_value *newval) | |
1458 | { | |
1459 | u8 macaddr[ETH_ALEN]; | |
171a42c3 | 1460 | u8 *mac; |
74514957 | 1461 | |
171a42c3 | 1462 | if (newval->string) { |
ce5c144f | 1463 | if (!mac_pton(newval->string, macaddr)) |
171a42c3 AG |
1464 | goto err; |
1465 | mac = macaddr; | |
1466 | } else { | |
1467 | mac = (u8 *)&newval->value; | |
74514957 MB |
1468 | } |
1469 | ||
171a42c3 AG |
1470 | if (!is_valid_ether_addr(mac)) |
1471 | goto err; | |
1472 | ||
eac306b4 | 1473 | netdev_dbg(bond->dev, "Setting ad_actor_system to %pM\n", mac); |
171a42c3 | 1474 | ether_addr_copy(bond->params.ad_actor_system, mac); |
5ee14e6d NA |
1475 | bond_3ad_update_ad_actor_settings(bond); |
1476 | ||
74514957 | 1477 | return 0; |
171a42c3 AG |
1478 | |
1479 | err: | |
f887e54c | 1480 | netdev_err(bond->dev, "Invalid ad_actor_system MAC address.\n"); |
171a42c3 | 1481 | return -EINVAL; |
74514957 | 1482 | } |
d22a5fc0 MB |
1483 | |
1484 | static int bond_option_ad_user_port_key_set(struct bonding *bond, | |
1485 | const struct bond_opt_value *newval) | |
1486 | { | |
eac306b4 MD |
1487 | netdev_dbg(bond->dev, "Setting ad_user_port_key to %llu\n", |
1488 | newval->value); | |
d22a5fc0 MB |
1489 | |
1490 | bond->params.ad_user_port_key = newval->value; | |
1491 | return 0; | |
1492 | } |