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9p: Remove INET dependency
[linux-block.git] / drivers / net / bonding / bond_options.c
CommitLineData
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 19static int bond_option_active_slave_set(struct bonding *bond,
28f084cc 20 const struct bond_opt_value *newval);
f3253339 21static int bond_option_miimon_set(struct bonding *bond,
28f084cc 22 const struct bond_opt_value *newval);
f3253339 23static int bond_option_updelay_set(struct bonding *bond,
28f084cc 24 const struct bond_opt_value *newval);
f3253339 25static int bond_option_downdelay_set(struct bonding *bond,
28f084cc 26 const struct bond_opt_value *newval);
07a4ddec
VB		 27static int bond_option_peer_notif_delay_set(struct bonding *bond,
28 const struct bond_opt_value *newval);
f3253339 29static int bond_option_use_carrier_set(struct bonding *bond,
28f084cc 30 const struct bond_opt_value *newval);
f3253339 31static int bond_option_arp_interval_set(struct bonding *bond,
28f084cc 32 const struct bond_opt_value *newval);
f3253339 33static int bond_option_arp_ip_target_add(struct bonding *bond, __be32 target);
34static int bond_option_arp_ip_target_rem(struct bonding *bond, __be32 target);
35static int bond_option_arp_ip_targets_set(struct bonding *bond,
28f084cc 36 const struct bond_opt_value *newval);
129e3c1b
HL		 37static int bond_option_ns_ip6_targets_set(struct bonding *bond,
38 const struct bond_opt_value *newval);
f3253339 39static int bond_option_arp_validate_set(struct bonding *bond,
28f084cc 40 const struct bond_opt_value *newval);
f3253339 41static int bond_option_arp_all_targets_set(struct bonding *bond,
28f084cc 42 const struct bond_opt_value *newval);
0a2ff7cc
HL		 43static int bond_option_prio_set(struct bonding *bond,
44 const struct bond_opt_value *newval);
f3253339 45static int bond_option_primary_set(struct bonding *bond,
28f084cc 46 const struct bond_opt_value *newval);
f3253339 47static int bond_option_primary_reselect_set(struct bonding *bond,
28f084cc 48 const struct bond_opt_value *newval);
f3253339 49static int bond_option_fail_over_mac_set(struct bonding *bond,
28f084cc 50 const struct bond_opt_value *newval);
f3253339 51static int bond_option_xmit_hash_policy_set(struct bonding *bond,
28f084cc 52 const struct bond_opt_value *newval);
f3253339 53static int bond_option_resend_igmp_set(struct bonding *bond,
28f084cc 54 const struct bond_opt_value *newval);
f3253339 55static int bond_option_num_peer_notif_set(struct bonding *bond,
28f084cc 56 const struct bond_opt_value *newval);
f3253339 57static int bond_option_all_slaves_active_set(struct bonding *bond,
28f084cc 58 const struct bond_opt_value *newval);
f3253339 59static int bond_option_min_links_set(struct bonding *bond,
28f084cc 60 const struct bond_opt_value *newval);
f3253339 61static int bond_option_lp_interval_set(struct bonding *bond,
28f084cc 62 const struct bond_opt_value *newval);
f3253339 63static int bond_option_pps_set(struct bonding *bond,
28f084cc 64 const struct bond_opt_value *newval);
3a755cd8
HL		 65static int bond_option_lacp_active_set(struct bonding *bond,
66 const struct bond_opt_value *newval);
f3253339 67static int bond_option_lacp_rate_set(struct bonding *bond,
28f084cc 68 const struct bond_opt_value *newval);
f3253339 69static int bond_option_ad_select_set(struct bonding *bond,
28f084cc 70 const struct bond_opt_value *newval);
f3253339 71static int bond_option_queue_id_set(struct bonding *bond,
28f084cc 72 const struct bond_opt_value *newval);
f3253339 73static int bond_option_mode_set(struct bonding *bond,
28f084cc 74 const struct bond_opt_value *newval);
f3253339 75static int bond_option_slaves_set(struct bonding *bond,
28f084cc 76 const struct bond_opt_value *newval);
e9f0fb88
MB		 77static int bond_option_tlb_dynamic_lb_set(struct bonding *bond,
78 const struct bond_opt_value *newval);
6791e466
MB		 79static int bond_option_ad_actor_sys_prio_set(struct bonding *bond,
80 const struct bond_opt_value *newval);
74514957
MB		 81static int bond_option_ad_actor_system_set(struct bonding *bond,
82 const struct bond_opt_value *newval);
d22a5fc0
MB		 83static int bond_option_ad_user_port_key_set(struct bonding *bond,
84 const struct bond_opt_value *newval);
5944b5ab
HL		 85static int bond_option_missed_max_set(struct bonding *bond,
86 const struct bond_opt_value *newval);
f3253339 87
88
89static const struct bond_opt_value bond_mode_tbl[] = {
2b3798d5
NA		 90 { "balance-rr", BOND_MODE_ROUNDROBIN, BOND_VALFLAG_DEFAULT},
91 { "active-backup", BOND_MODE_ACTIVEBACKUP, 0},
92 { "balance-xor", BOND_MODE_XOR, 0},
93 { "broadcast", BOND_MODE_BROADCAST, 0},
94 { "802.3ad", BOND_MODE_8023AD, 0},
95 { "balance-tlb", BOND_MODE_TLB, 0},
96 { "balance-alb", BOND_MODE_ALB, 0},
97 { NULL, -1, 0},
98};
99
f3253339 100static const struct bond_opt_value bond_pps_tbl[] = {
aa59d851
NA		 101 { "default", 1, BOND_VALFLAG_DEFAULT},
102 { "maxval", USHRT_MAX, BOND_VALFLAG_MAX},
103 { NULL, -1, 0},
104};
105
f3253339 106static const struct bond_opt_value bond_xmit_hashtype_tbl[] = {
7b8fc010
JW		 107 { "layer2", BOND_XMIT_POLICY_LAYER2, BOND_VALFLAG_DEFAULT},
108 { "layer3+4", BOND_XMIT_POLICY_LAYER34, 0},
109 { "layer2+3", BOND_XMIT_POLICY_LAYER23, 0},
110 { "encap2+3", BOND_XMIT_POLICY_ENCAP23, 0},
111 { "encap3+4", BOND_XMIT_POLICY_ENCAP34, 0},
112 { "vlan+srcmac", BOND_XMIT_POLICY_VLAN_SRCMAC, 0},
113 { NULL, -1, 0},
a4b32ce7
NA		 114};
115
f3253339 116static const struct bond_opt_value bond_arp_validate_tbl[] = {
896149ff
VF		 117 { "none", BOND_ARP_VALIDATE_NONE, BOND_VALFLAG_DEFAULT},
118 { "active", BOND_ARP_VALIDATE_ACTIVE, 0},
119 { "backup", BOND_ARP_VALIDATE_BACKUP, 0},
120 { "all", BOND_ARP_VALIDATE_ALL, 0},
121 { "filter", BOND_ARP_FILTER, 0},
122 { "filter_active", BOND_ARP_FILTER_ACTIVE, 0},
123 { "filter_backup", BOND_ARP_FILTER_BACKUP, 0},
124 { NULL, -1, 0},
16228881
NA		 125};
126
f3253339 127static const struct bond_opt_value bond_arp_all_targets_tbl[] = {
edf36b24
NA		 128 { "any", BOND_ARP_TARGETS_ANY, BOND_VALFLAG_DEFAULT},
129 { "all", BOND_ARP_TARGETS_ALL, 0},
130 { NULL, -1, 0},
131};
132
f3253339 133static const struct bond_opt_value bond_fail_over_mac_tbl[] = {
1df6b6aa
NA		 134 { "none", BOND_FOM_NONE, BOND_VALFLAG_DEFAULT},
135 { "active", BOND_FOM_ACTIVE, 0},
136 { "follow", BOND_FOM_FOLLOW, 0},
137 { NULL, -1, 0},
138};
139
f3253339 140static const struct bond_opt_value bond_intmax_tbl[] = {
7bdb04ed
NA		 141 { "off", 0, BOND_VALFLAG_DEFAULT},
142 { "maxval", INT_MAX, BOND_VALFLAG_MAX},
81c70806 143 { NULL, -1, 0}
7bdb04ed
NA		 144};
145
3a755cd8
HL		 146static const struct bond_opt_value bond_lacp_active[] = {
147 { "off", 0, 0},
148 { "on", 1, BOND_VALFLAG_DEFAULT},
149 { NULL, -1, 0}
150};
151
f3253339 152static const struct bond_opt_value bond_lacp_rate_tbl[] = {
d3131de7
NA		 153 { "slow", AD_LACP_SLOW, 0},
154 { "fast", AD_LACP_FAST, 0},
155 { NULL, -1, 0},
156};
157
f3253339 158static const struct bond_opt_value bond_ad_select_tbl[] = {
9e5f5eeb
NA		 159 { "stable", BOND_AD_STABLE, BOND_VALFLAG_DEFAULT},
160 { "bandwidth", BOND_AD_BANDWIDTH, 0},
161 { "count", BOND_AD_COUNT, 0},
162 { NULL, -1, 0},
163};
164
f3253339 165static const struct bond_opt_value bond_num_peer_notif_tbl[] = {
ef56becb
NA		 166 { "off", 0, 0},
167 { "maxval", 255, BOND_VALFLAG_MAX},
168 { "default", 1, BOND_VALFLAG_DEFAULT},
169 { NULL, -1, 0}
170};
171
f3253339 172static const struct bond_opt_value bond_primary_reselect_tbl[] = {
388d3a6d
NA		 173 { "always", BOND_PRI_RESELECT_ALWAYS, BOND_VALFLAG_DEFAULT},
174 { "better", BOND_PRI_RESELECT_BETTER, 0},
175 { "failure", BOND_PRI_RESELECT_FAILURE, 0},
176 { NULL, -1},
177};
178
f3253339 179static const struct bond_opt_value bond_use_carrier_tbl[] = {
b3c898e2
DB		 180 { "off", 0, 0},
181 { "on", 1, BOND_VALFLAG_DEFAULT},
182 { NULL, -1, 0}
0fff0608
NA		 183};
184
f3253339 185static const struct bond_opt_value bond_all_slaves_active_tbl[] = {
3df01162
NA		 186 { "off", 0, BOND_VALFLAG_DEFAULT},
187 { "on", 1, 0},
188 { NULL, -1, 0}
189};
190
f3253339 191static const struct bond_opt_value bond_resend_igmp_tbl[] = {
105c8fb6
NA		 192 { "off", 0, 0},
193 { "maxval", 255, BOND_VALFLAG_MAX},
194 { "default", 1, BOND_VALFLAG_DEFAULT},
195 { NULL, -1, 0}
196};
197
f3253339 198static const struct bond_opt_value bond_lp_interval_tbl[] = {
4325b374
NA		 199 { "minval", 1, BOND_VALFLAG_MIN | BOND_VALFLAG_DEFAULT},
200 { "maxval", INT_MAX, BOND_VALFLAG_MAX},
5bd4e4c1 201 { NULL, -1, 0},
4325b374
NA		 202};
203
e9f0fb88
MB		 204static const struct bond_opt_value bond_tlb_dynamic_lb_tbl[] = {
205 { "off", 0, 0},
206 { "on", 1, BOND_VALFLAG_DEFAULT},
207 { NULL, -1, 0}
208};
209
6791e466
MB		 210static const struct bond_opt_value bond_ad_actor_sys_prio_tbl[] = {
211 { "minval", 1, BOND_VALFLAG_MIN},
212 { "maxval", 65535, BOND_VALFLAG_MAX | BOND_VALFLAG_DEFAULT},
213 { NULL, -1, 0},
214};
215
d22a5fc0
MB		 216static const struct bond_opt_value bond_ad_user_port_key_tbl[] = {
217 { "minval", 0, BOND_VALFLAG_MIN | BOND_VALFLAG_DEFAULT},
218 { "maxval", 1023, BOND_VALFLAG_MAX},
219 { NULL, -1, 0},
220};
221
5944b5ab
HL		 222static const struct bond_opt_value bond_missed_max_tbl[] = {
223 { "minval", 1, BOND_VALFLAG_MIN},
224 { "maxval", 255, BOND_VALFLAG_MAX},
225 { "default", 2, BOND_VALFLAG_DEFAULT},
226 { NULL, -1, 0},
227};
228
7bfa0145 229static const struct bond_option bond_opts[BOND_OPT_LAST] = {
2b3798d5
NA		 230 [BOND_OPT_MODE] = {
231 .id = BOND_OPT_MODE,
232 .name = "mode",
233 .desc = "bond device mode",
234 .flags = BOND_OPTFLAG_NOSLAVES | BOND_OPTFLAG_IFDOWN,
235 .values = bond_mode_tbl,
236 .set = bond_option_mode_set
237 },
aa59d851
NA		 238 [BOND_OPT_PACKETS_PER_SLAVE] = {
239 .id = BOND_OPT_PACKETS_PER_SLAVE,
240 .name = "packets_per_slave",
241 .desc = "Packets to send per slave in RR mode",
242 .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_ROUNDROBIN)),
243 .values = bond_pps_tbl,
244 .set = bond_option_pps_set
245 },
a4b32ce7
NA		 246 [BOND_OPT_XMIT_HASH] = {
247 .id = BOND_OPT_XMIT_HASH,
248 .name = "xmit_hash_policy",
f05b42ea 249 .desc = "balance-xor, 802.3ad, and tlb hashing method",
a4b32ce7
NA		 250 .values = bond_xmit_hashtype_tbl,
251 .set = bond_option_xmit_hash_policy_set
252 },
16228881
NA		 253 [BOND_OPT_ARP_VALIDATE] = {
254 .id = BOND_OPT_ARP_VALIDATE,
255 .name = "arp_validate",
256 .desc = "validate src/dst of ARP probes",
13ac34a8
VF		 257 .unsuppmodes = BIT(BOND_MODE_8023AD) | BIT(BOND_MODE_TLB) |
258 BIT(BOND_MODE_ALB),
16228881
NA		 259 .values = bond_arp_validate_tbl,
260 .set = bond_option_arp_validate_set
261 },
edf36b24
NA		 262 [BOND_OPT_ARP_ALL_TARGETS] = {
263 .id = BOND_OPT_ARP_ALL_TARGETS,
264 .name = "arp_all_targets",
265 .desc = "fail on any/all arp targets timeout",
266 .values = bond_arp_all_targets_tbl,
267 .set = bond_option_arp_all_targets_set
268 },
1df6b6aa
NA		 269 [BOND_OPT_FAIL_OVER_MAC] = {
270 .id = BOND_OPT_FAIL_OVER_MAC,
271 .name = "fail_over_mac",
272 .desc = "For active-backup, do not set all slaves to the same MAC",
273 .flags = BOND_OPTFLAG_NOSLAVES,
274 .values = bond_fail_over_mac_tbl,
275 .set = bond_option_fail_over_mac_set
276 },
7bdb04ed
NA		 277 [BOND_OPT_ARP_INTERVAL] = {
278 .id = BOND_OPT_ARP_INTERVAL,
279 .name = "arp_interval",
280 .desc = "arp interval in milliseconds",
281 .unsuppmodes = BIT(BOND_MODE_8023AD) | BIT(BOND_MODE_TLB) |
282 BIT(BOND_MODE_ALB),
283 .values = bond_intmax_tbl,
284 .set = bond_option_arp_interval_set
285 },
5944b5ab
HL		 286 [BOND_OPT_MISSED_MAX] = {
287 .id = BOND_OPT_MISSED_MAX,
288 .name = "arp_missed_max",
289 .desc = "Maximum number of missed ARP interval",
290 .unsuppmodes = BIT(BOND_MODE_8023AD) | BIT(BOND_MODE_TLB) |
291 BIT(BOND_MODE_ALB),
292 .values = bond_missed_max_tbl,
293 .set = bond_option_missed_max_set
294 },
4fb0ef58
NA		 295 [BOND_OPT_ARP_TARGETS] = {
296 .id = BOND_OPT_ARP_TARGETS,
297 .name = "arp_ip_target",
298 .desc = "arp targets in n.n.n.n form",
299 .flags = BOND_OPTFLAG_RAWVAL,
300 .set = bond_option_arp_ip_targets_set
301 },
129e3c1b
HL		 302 [BOND_OPT_NS_TARGETS] = {
303 .id = BOND_OPT_NS_TARGETS,
304 .name = "ns_ip6_target",
305 .desc = "NS targets in ffff:ffff::ffff:ffff form",
306 .flags = BOND_OPTFLAG_RAWVAL,
307 .set = bond_option_ns_ip6_targets_set
308 },
25a9b54a
NA		 309 [BOND_OPT_DOWNDELAY] = {
310 .id = BOND_OPT_DOWNDELAY,
311 .name = "downdelay",
312 .desc = "Delay before considering link down, in milliseconds",
313 .values = bond_intmax_tbl,
314 .set = bond_option_downdelay_set
315 },
e4994612
NA		 316 [BOND_OPT_UPDELAY] = {
317 .id = BOND_OPT_UPDELAY,
318 .name = "updelay",
319 .desc = "Delay before considering link up, in milliseconds",
320 .values = bond_intmax_tbl,
321 .set = bond_option_updelay_set
322 },
3a755cd8
HL		 323 [BOND_OPT_LACP_ACTIVE] = {
324 .id = BOND_OPT_LACP_ACTIVE,
325 .name = "lacp_active",
326 .desc = "Send LACPDU frames with configured lacp rate or acts as speak when spoken to",
327 .flags = BOND_OPTFLAG_IFDOWN,
328 .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)),
329 .values = bond_lacp_active,
330 .set = bond_option_lacp_active_set
331 },
d3131de7
NA		 332 [BOND_OPT_LACP_RATE] = {
333 .id = BOND_OPT_LACP_RATE,
334 .name = "lacp_rate",
335 .desc = "LACPDU tx rate to request from 802.3ad partner",
336 .flags = BOND_OPTFLAG_IFDOWN,
337 .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)),
338 .values = bond_lacp_rate_tbl,
339 .set = bond_option_lacp_rate_set
340 },
633ddc9e
NA		 341 [BOND_OPT_MINLINKS] = {
342 .id = BOND_OPT_MINLINKS,
343 .name = "min_links",
344 .desc = "Minimum number of available links before turning on carrier",
345 .values = bond_intmax_tbl,
346 .set = bond_option_min_links_set
347 },
9e5f5eeb
NA		 348 [BOND_OPT_AD_SELECT] = {
349 .id = BOND_OPT_AD_SELECT,
350 .name = "ad_select",
351 .desc = "803.ad aggregation selection logic",
352 .flags = BOND_OPTFLAG_IFDOWN,
353 .values = bond_ad_select_tbl,
354 .set = bond_option_ad_select_set
355 },
ef56becb
NA		 356 [BOND_OPT_NUM_PEER_NOTIF] = {
357 .id = BOND_OPT_NUM_PEER_NOTIF,
358 .name = "num_unsol_na",
359 .desc = "Number of peer notifications to send on failover event",
360 .values = bond_num_peer_notif_tbl,
361 .set = bond_option_num_peer_notif_set
362 },
b98d9c66
NA		 363 [BOND_OPT_MIIMON] = {
364 .id = BOND_OPT_MIIMON,
365 .name = "miimon",
366 .desc = "Link check interval in milliseconds",
367 .values = bond_intmax_tbl,
368 .set = bond_option_miimon_set
369 },
0a2ff7cc
HL		 370 [BOND_OPT_PRIO] = {
371 .id = BOND_OPT_PRIO,
372 .name = "prio",
373 .desc = "Link priority for failover re-selection",
374 .flags = BOND_OPTFLAG_RAWVAL,
375 .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_ACTIVEBACKUP) |
376 BIT(BOND_MODE_TLB) |
377 BIT(BOND_MODE_ALB)),
378 .set = bond_option_prio_set
379 },
180222f0
NA		 380 [BOND_OPT_PRIMARY] = {
381 .id = BOND_OPT_PRIMARY,
382 .name = "primary",
383 .desc = "Primary network device to use",
384 .flags = BOND_OPTFLAG_RAWVAL,
385 .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_ACTIVEBACKUP) |
386 BIT(BOND_MODE_TLB) |
387 BIT(BOND_MODE_ALB)),
388 .set = bond_option_primary_set
389 },
388d3a6d
NA		 390 [BOND_OPT_PRIMARY_RESELECT] = {
391 .id = BOND_OPT_PRIMARY_RESELECT,
392 .name = "primary_reselect",
393 .desc = "Reselect primary slave once it comes up",
394 .values = bond_primary_reselect_tbl,
395 .set = bond_option_primary_reselect_set
396 },
0fff0608
NA		 397 [BOND_OPT_USE_CARRIER] = {
398 .id = BOND_OPT_USE_CARRIER,
399 .name = "use_carrier",
400 .desc = "Use netif_carrier_ok (vs MII ioctls) in miimon",
401 .values = bond_use_carrier_tbl,
402 .set = bond_option_use_carrier_set
403 },
d1fbd3ed
NA		 404 [BOND_OPT_ACTIVE_SLAVE] = {
405 .id = BOND_OPT_ACTIVE_SLAVE,
406 .name = "active_slave",
407 .desc = "Currently active slave",
408 .flags = BOND_OPTFLAG_RAWVAL,
409 .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_ACTIVEBACKUP) |
410 BIT(BOND_MODE_TLB) |
411 BIT(BOND_MODE_ALB)),
412 .set = bond_option_active_slave_set
413 },
24089ba1
NA		 414 [BOND_OPT_QUEUE_ID] = {
415 .id = BOND_OPT_QUEUE_ID,
416 .name = "queue_id",
417 .desc = "Set queue id of a slave",
418 .flags = BOND_OPTFLAG_RAWVAL,
419 .set = bond_option_queue_id_set
420 },
3df01162
NA		 421 [BOND_OPT_ALL_SLAVES_ACTIVE] = {
422 .id = BOND_OPT_ALL_SLAVES_ACTIVE,
423 .name = "all_slaves_active",
424 .desc = "Keep all frames received on an interface by setting active flag for all slaves",
425 .values = bond_all_slaves_active_tbl,
426 .set = bond_option_all_slaves_active_set
427 },
105c8fb6
NA		 428 [BOND_OPT_RESEND_IGMP] = {
429 .id = BOND_OPT_RESEND_IGMP,
430 .name = "resend_igmp",
431 .desc = "Number of IGMP membership reports to send on link failure",
432 .values = bond_resend_igmp_tbl,
433 .set = bond_option_resend_igmp_set
434 },
4325b374
NA		 435 [BOND_OPT_LP_INTERVAL] = {
436 .id = BOND_OPT_LP_INTERVAL,
437 .name = "lp_interval",
438 .desc = "The number of seconds between instances where the bonding driver sends learning packets to each slave's peer switch",
439 .values = bond_lp_interval_tbl,
440 .set = bond_option_lp_interval_set
441 },
0e2e5b66
NA		 442 [BOND_OPT_SLAVES] = {
443 .id = BOND_OPT_SLAVES,
444 .name = "slaves",
445 .desc = "Slave membership management",
446 .flags = BOND_OPTFLAG_RAWVAL,
447 .set = bond_option_slaves_set
448 },
e9f0fb88
MB		 449 [BOND_OPT_TLB_DYNAMIC_LB] = {
450 .id = BOND_OPT_TLB_DYNAMIC_LB,
dc3e5d18 451 .name = "tlb_dynamic_lb",
e9f0fb88 452 .desc = "Enable dynamic flow shuffling",
e79c1055 453 .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_TLB) | BIT(BOND_MODE_ALB)),
e9f0fb88
MB		 454 .values = bond_tlb_dynamic_lb_tbl,
455 .flags = BOND_OPTFLAG_IFDOWN,
456 .set = bond_option_tlb_dynamic_lb_set,
6791e466
MB		 457 },
458 [BOND_OPT_AD_ACTOR_SYS_PRIO] = {
459 .id = BOND_OPT_AD_ACTOR_SYS_PRIO,
460 .name = "ad_actor_sys_prio",
461 .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)),
6791e466
MB		 462 .values = bond_ad_actor_sys_prio_tbl,
463 .set = bond_option_ad_actor_sys_prio_set,
464 },
74514957
MB		 465 [BOND_OPT_AD_ACTOR_SYSTEM] = {
466 .id = BOND_OPT_AD_ACTOR_SYSTEM,
467 .name = "ad_actor_system",
468 .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)),
7f20cd25 469 .flags = BOND_OPTFLAG_RAWVAL,
74514957
MB		 470 .set = bond_option_ad_actor_system_set,
471 },
d22a5fc0
MB		 472 [BOND_OPT_AD_USER_PORT_KEY] = {
473 .id = BOND_OPT_AD_USER_PORT_KEY,
474 .name = "ad_user_port_key",
475 .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)),
476 .flags = BOND_OPTFLAG_IFDOWN,
477 .values = bond_ad_user_port_key_tbl,
478 .set = bond_option_ad_user_port_key_set,
205845a3
NA		 479 },
480 [BOND_OPT_NUM_PEER_NOTIF_ALIAS] = {
481 .id = BOND_OPT_NUM_PEER_NOTIF_ALIAS,
482 .name = "num_grat_arp",
483 .desc = "Number of peer notifications to send on failover event",
484 .values = bond_num_peer_notif_tbl,
485 .set = bond_option_num_peer_notif_set
07a4ddec
VB		 486 },
487 [BOND_OPT_PEER_NOTIF_DELAY] = {
488 .id = BOND_OPT_PEER_NOTIF_DELAY,
489 .name = "peer_notif_delay",
490 .desc = "Delay between each peer notification on failover event, in milliseconds",
491 .values = bond_intmax_tbl,
492 .set = bond_option_peer_notif_delay_set
d22a5fc0 493 }
09117362
NA		 494};
495
dc3e5d18
NA		 496/* Searches for an option by name */
497const struct bond_option *bond_opt_get_by_name(const char *name)
498{
499 const struct bond_option *opt;
500 int option;
501
502 for (option = 0; option < BOND_OPT_LAST; option++) {
503 opt = bond_opt_get(option);
504 if (opt && !strcmp(opt->name, name))
505 return opt;
506 }
507
508 return NULL;
509}
510
09117362 511/* Searches for a value in opt's values[] table */
f3253339 512const struct bond_opt_value *bond_opt_get_val(unsigned int option, u64 val)
09117362 513{
f3253339 514 const struct bond_option *opt;
09117362
NA		 515 int i;
516
517 opt = bond_opt_get(option);
518 if (WARN_ON(!opt))
519 return NULL;
520 for (i = 0; opt->values && opt->values[i].string; i++)
521 if (opt->values[i].value == val)
522 return &opt->values[i];
523
524 return NULL;
525}
526
527/* Searches for a value in opt's values[] table which matches the flagmask */
f3253339 528static const struct bond_opt_value *bond_opt_get_flags(const struct bond_option *opt,
eac306b4 529 u32 flagmask)
09117362
NA		 530{
531 int i;
532
533 for (i = 0; opt->values && opt->values[i].string; i++)
534 if (opt->values[i].flags & flagmask)
535 return &opt->values[i];
536
537 return NULL;
538}
539
540/* If maxval is missing then there's no range to check. In case minval is
541 * missing then it's considered to be 0.
542 */
543static bool bond_opt_check_range(const struct bond_option *opt, u64 val)
544{
f3253339 545 const struct bond_opt_value *minval, *maxval;
09117362
NA		 546
547 minval = bond_opt_get_flags(opt, BOND_VALFLAG_MIN);
548 maxval = bond_opt_get_flags(opt, BOND_VALFLAG_MAX);
549 if (!maxval || (minval && val < minval->value) || val > maxval->value)
550 return false;
551
552 return true;
553}
554
555/**
556 * bond_opt_parse - parse option value
557 * @opt: the option to parse against
558 * @val: value to parse
559 *
560 * This function tries to extract the value from @val and check if it's
561 * a possible match for the option and returns NULL if a match isn't found,
562 * or the struct_opt_value that matched. It also strips the new line from
563 * @val->string if it's present.
564 */
f3253339 565const struct bond_opt_value *bond_opt_parse(const struct bond_option *opt,
566 struct bond_opt_value *val)
09117362
NA		 567{
568 char *p, valstr[BOND_OPT_MAX_NAMELEN + 1] = { 0, };
f3253339 569 const struct bond_opt_value *tbl;
570 const struct bond_opt_value *ret = NULL;
09117362
NA		 571 bool checkval;
572 int i, rv;
573
574 /* No parsing if the option wants a raw val */
575 if (opt->flags & BOND_OPTFLAG_RAWVAL)
576 return val;
577
578 tbl = opt->values;
579 if (!tbl)
580 goto out;
581
582 /* ULLONG_MAX is used to bypass string processing */
583 checkval = val->value != ULLONG_MAX;
584 if (!checkval) {
585 if (!val->string)
586 goto out;
587 p = strchr(val->string, '\n');
588 if (p)
589 *p = '\0';
590 for (p = val->string; *p; p++)
591 if (!(isdigit(*p) || isspace(*p)))
592 break;
593 /* The following code extracts the string to match or the value
594 * and sets checkval appropriately
595 */
596 if (*p) {
597 rv = sscanf(val->string, "%32s", valstr);
598 } else {
599 rv = sscanf(val->string, "%llu", &val->value);
600 checkval = true;
601 }
602 if (!rv)
603 goto out;
604 }
605
606 for (i = 0; tbl[i].string; i++) {
607 /* Check for exact match */
608 if (checkval) {
609 if (val->value == tbl[i].value)
610 ret = &tbl[i];
611 } else {
612 if (!strcmp(valstr, "default") &&
613 (tbl[i].flags & BOND_VALFLAG_DEFAULT))
614 ret = &tbl[i];
615
616 if (!strcmp(valstr, tbl[i].string))
617 ret = &tbl[i];
618 }
619 /* Found an exact match */
620 if (ret)
621 goto out;
622 }
623 /* Possible range match */
624 if (checkval && bond_opt_check_range(opt, val->value))
625 ret = val;
626out:
627 return ret;
628}
629
630/* Check opt's dependencies against bond mode and currently set options */
631static int bond_opt_check_deps(struct bonding *bond,
632 const struct bond_option *opt)
633{
634 struct bond_params *params = &bond->params;
635
636 if (test_bit(params->mode, &opt->unsuppmodes))
637 return -EACCES;
638 if ((opt->flags & BOND_OPTFLAG_NOSLAVES) && bond_has_slaves(bond))
639 return -ENOTEMPTY;
640 if ((opt->flags & BOND_OPTFLAG_IFDOWN) && (bond->dev->flags & IFF_UP))
641 return -EBUSY;
642
643 return 0;
644}
645
646static void bond_opt_dep_print(struct bonding *bond,
2bff369b
JT		 647 const struct bond_option *opt,
648 struct nlattr *bad_attr,
649 struct netlink_ext_ack *extack)
09117362 650{
28f084cc 651 const struct bond_opt_value *modeval;
09117362
NA		 652 struct bond_params *params;
653
654 params = &bond->params;
2b3798d5 655 modeval = bond_opt_get_val(BOND_OPT_MODE, params->mode);
2bff369b 656 if (test_bit(params->mode, &opt->unsuppmodes)) {
2de390ba
VF		 657 netdev_err(bond->dev, "option %s: mode dependency failed, not supported in mode %s(%llu)\n",
658 opt->name, modeval->string, modeval->value);
2bff369b
JT		 659 NL_SET_ERR_MSG_ATTR(extack, bad_attr,
660 "option not supported in mode");
661 }
09117362
NA		 662}
663
664static void bond_opt_error_interpret(struct bonding *bond,
665 const struct bond_option *opt,
2bff369b
JT		 666 int error, const struct bond_opt_value *val,
667 struct nlattr *bad_attr,
668 struct netlink_ext_ack *extack)
09117362 669{
28f084cc 670 const struct bond_opt_value *minval, *maxval;
09117362
NA		 671 char *p;
672
673 switch (error) {
674 case -EINVAL:
2bff369b 675 NL_SET_ERR_MSG_ATTR(extack, bad_attr, "invalid option value");
09117362
NA		 676 if (val) {
677 if (val->string) {
678 /* sometimes RAWVAL opts may have new lines */
679 p = strchr(val->string, '\n');
680 if (p)
681 *p = '\0';
2de390ba
VF		 682 netdev_err(bond->dev, "option %s: invalid value (%s)\n",
683 opt->name, val->string);
09117362 684 } else {
2de390ba
VF		 685 netdev_err(bond->dev, "option %s: invalid value (%llu)\n",
686 opt->name, val->value);
09117362
NA		 687 }
688 }
689 minval = bond_opt_get_flags(opt, BOND_VALFLAG_MIN);
690 maxval = bond_opt_get_flags(opt, BOND_VALFLAG_MAX);
691 if (!maxval)
692 break;
2de390ba
VF		 693 netdev_err(bond->dev, "option %s: allowed values %llu - %llu\n",
694 opt->name, minval ? minval->value : 0, maxval->value);
09117362
NA		 695 break;
696 case -EACCES:
2bff369b 697 bond_opt_dep_print(bond, opt, bad_attr, extack);
09117362
NA		 698 break;
699 case -ENOTEMPTY:
2bff369b
JT		 700 NL_SET_ERR_MSG_ATTR(extack, bad_attr,
701 "unable to set option because the bond device has slaves");
2de390ba
VF		 702 netdev_err(bond->dev, "option %s: unable to set because the bond device has slaves\n",
703 opt->name);
09117362
NA		 704 break;
705 case -EBUSY:
2bff369b
JT		 706 NL_SET_ERR_MSG_ATTR(extack, bad_attr,
707 "unable to set option because the bond is up");
2de390ba
VF		 708 netdev_err(bond->dev, "option %s: unable to set because the bond device is up\n",
709 opt->name);
09117362 710 break;
acdff0df
JL		 711 case -ENODEV:
712 if (val && val->string) {
713 p = strchr(val->string, '\n');
714 if (p)
715 *p = '\0';
716 netdev_err(bond->dev, "option %s: interface %s does not exist!\n",
717 opt->name, val->string);
2bff369b
JT		 718 NL_SET_ERR_MSG_ATTR(extack, bad_attr,
719 "interface does not exist");
acdff0df
JL		 720 }
721 break;
09117362
NA		 722 default:
723 break;
724 }
725}
726
727/**
728 * __bond_opt_set - set a bonding option
729 * @bond: target bond device
730 * @option: option to set
731 * @val: value to set it to
2bff369b
JT		 732 * @bad_attr: netlink attribue that caused the error
733 * @extack: extended netlink error structure, used when an error message
734 * needs to be returned to the caller via netlink
09117362
NA		 735 *
736 * This function is used to change the bond's option value, it can be
737 * used for both enabling/changing an option and for disabling it. RTNL lock
738 * must be obtained before calling this function.
739 */
740int __bond_opt_set(struct bonding *bond,
2bff369b
JT		 741 unsigned int option, struct bond_opt_value *val,
742 struct nlattr *bad_attr, struct netlink_ext_ack *extack)
09117362 743{
28f084cc 744 const struct bond_opt_value *retval = NULL;
09117362
NA		 745 const struct bond_option *opt;
746 int ret = -ENOENT;
747
748 ASSERT_RTNL();
749
750 opt = bond_opt_get(option);
751 if (WARN_ON(!val) || WARN_ON(!opt))
752 goto out;
753 ret = bond_opt_check_deps(bond, opt);
754 if (ret)
755 goto out;
756 retval = bond_opt_parse(opt, val);
757 if (!retval) {
758 ret = -EINVAL;
759 goto out;
760 }
761 ret = opt->set(bond, retval);
762out:
763 if (ret)
2bff369b 764 bond_opt_error_interpret(bond, opt, ret, val, bad_attr, extack);
7a7e96e0
VY		 765
766 return ret;
767}
768/**
769 * __bond_opt_set_notify - set a bonding option
770 * @bond: target bond device
771 * @option: option to set
772 * @val: value to set it to
773 *
774 * This function is used to change the bond's option value and trigger
775 * a notification to user sapce. It can be used for both enabling/changing
776 * an option and for disabling it. RTNL lock must be obtained before calling
777 * this function.
778 */
779int __bond_opt_set_notify(struct bonding *bond,
780 unsigned int option, struct bond_opt_value *val)
781{
92e1b57c 782 int ret;
7a7e96e0
VY		 783
784 ASSERT_RTNL();
785
2bff369b 786 ret = __bond_opt_set(bond, option, val, NULL, NULL);
7a7e96e0
VY		 787
788 if (!ret && (bond->dev->reg_state == NETREG_REGISTERED))
d4261e56 789 call_netdevice_notifiers(NETDEV_CHANGEINFODATA, bond->dev);
09117362
NA		 790
791 return ret;
792}
793
794/**
795 * bond_opt_tryset_rtnl - try to acquire rtnl and call __bond_opt_set
796 * @bond: target bond device
797 * @option: option to set
798 * @buf: value to set it to
799 *
800 * This function tries to acquire RTNL without blocking and if successful
801 * calls __bond_opt_set. It is mainly used for sysfs option manipulation.
802 */
803int bond_opt_tryset_rtnl(struct bonding *bond, unsigned int option, char *buf)
804{
805 struct bond_opt_value optval;
806 int ret;
807
808 if (!rtnl_trylock())
809 return restart_syscall();
810 bond_opt_initstr(&optval, buf);
7a7e96e0 811 ret = __bond_opt_set_notify(bond, option, &optval);
09117362
NA		 812 rtnl_unlock();
813
814 return ret;
815}
816
817/**
818 * bond_opt_get - get a pointer to an option
819 * @option: option for which to return a pointer
820 *
821 * This function checks if option is valid and if so returns a pointer
822 * to its entry in the bond_opts[] option array.
823 */
f3253339 824const struct bond_option *bond_opt_get(unsigned int option)
09117362
NA		 825{
826 if (!BOND_OPT_VALID(option))
827 return NULL;
828
829 return &bond_opts[option];
830}
831
f45583de 832static bool bond_set_xfrm_features(struct bonding *bond)
007ab534
JW		 833{
834 if (!IS_ENABLED(CONFIG_XFRM_OFFLOAD))
f45583de 835 return false;
007ab534 836
f45583de
TT		 837 if (BOND_MODE(bond) == BOND_MODE_ACTIVEBACKUP)
838 bond->dev->wanted_features |= BOND_XFRM_FEATURES;
007ab534 839 else
f45583de 840 bond->dev->wanted_features &= ~BOND_XFRM_FEATURES;
007ab534 841
f45583de 842 return true;
007ab534
JW		 843}
844
ff11d8b2
NA		 845static int bond_option_mode_set(struct bonding *bond,
846 const struct bond_opt_value *newval)
72be35fe 847{
c1f897ce
JW		 848 if (!bond_mode_uses_arp(newval->value)) {
849 if (bond->params.arp_interval) {
850 netdev_dbg(bond->dev, "%s mode is incompatible with arp monitoring, start mii monitoring\n",
851 newval->string);
852 /* disable arp monitoring */
853 bond->params.arp_interval = 0;
854 }
855
856 if (!bond->params.miimon) {
857 /* set miimon to default value */
858 bond->params.miimon = BOND_DEFAULT_MIIMON;
859 netdev_dbg(bond->dev, "Setting MII monitoring interval to %d\n",
860 bond->params.miimon);
861 }
72be35fe
JP		 862 }
863
c6644d07
KT		 864 if (newval->value == BOND_MODE_ALB)
865 bond->params.tlb_dynamic_lb = 1;
866
72be35fe
JP		 867 /* don't cache arp_validate between modes */
868 bond->params.arp_validate = BOND_ARP_VALIDATE_NONE;
2b3798d5
NA		 869 bond->params.mode = newval->value;
870
89df6a81
TT		 871 if (bond->dev->reg_state == NETREG_REGISTERED) {
872 bool update = false;
873
874 update |= bond_set_xfrm_features(bond);
89df6a81
TT		 875
876 if (update)
f45583de 877 netdev_update_features(bond->dev);
89df6a81 878 }
f45583de 879
72be35fe
JP		 880 return 0;
881}
d9e32b21 882
f3253339 883static int bond_option_active_slave_set(struct bonding *bond,
28f084cc 884 const struct bond_opt_value *newval)
d9e32b21 885{
d1fbd3ed
NA		 886 char ifname[IFNAMSIZ] = { 0, };
887 struct net_device *slave_dev;
d9e32b21
JP		 888 int ret = 0;
889
d1fbd3ed
NA		 890 sscanf(newval->string, "%15s", ifname); /* IFNAMSIZ */
891 if (!strlen(ifname) || newval->string[0] == '\n') {
892 slave_dev = NULL;
893 } else {
894 slave_dev = __dev_get_by_name(dev_net(bond->dev), ifname);
895 if (!slave_dev)
896 return -ENODEV;
897 }
898
d9e32b21
JP		 899 if (slave_dev) {
900 if (!netif_is_bond_slave(slave_dev)) {
f887e54c 901 slave_err(bond->dev, slave_dev, "Device is not bonding slave\n");
d9e32b21
JP		 902 return -EINVAL;
903 }
904
905 if (bond->dev != netdev_master_upper_dev_get(slave_dev)) {
f887e54c 906 slave_err(bond->dev, slave_dev, "Device is not our slave\n");
d9e32b21
JP		 907 return -EINVAL;
908 }
909 }
910
d9e32b21 911 block_netpoll_tx();
d9e32b21
JP		 912 /* check to see if we are clearing active */
913 if (!slave_dev) {
eac306b4 914 netdev_dbg(bond->dev, "Clearing current active slave\n");
8800a244 915 RCU_INIT_POINTER(bond->curr_active_slave, NULL);
d9e32b21
JP		 916 bond_select_active_slave(bond);
917 } else {
1c72cfdc 918 struct slave *old_active = rtnl_dereference(bond->curr_active_slave);
d9e32b21
JP		 919 struct slave *new_active = bond_slave_get_rtnl(slave_dev);
920
921 BUG_ON(!new_active);
922
923 if (new_active == old_active) {
924 /* do nothing */
f887e54c 925 slave_dbg(bond->dev, new_active->dev, "is already the current active slave\n");
d9e32b21
JP		 926 } else {
927 if (old_active && (new_active->link == BOND_LINK_UP) &&
b6adc610 928 bond_slave_is_up(new_active)) {
f887e54c 929 slave_dbg(bond->dev, new_active->dev, "Setting as active slave\n");
d9e32b21
JP		 930 bond_change_active_slave(bond, new_active);
931 } else {
f887e54c
JW		 932 slave_err(bond->dev, new_active->dev, "Could not set as active slave; either %s is down or the link is down\n",
933 new_active->dev->name);
d9e32b21
JP		 934 ret = -EINVAL;
935 }
936 }
937 }
d9e32b21 938 unblock_netpoll_tx();
d1fbd3ed 939
d9e32b21
JP		 940 return ret;
941}
eecdaa6e 942
dc3e5d18
NA		 943/* There are two tricky bits here. First, if MII monitoring is activated, then
944 * we must disable ARP monitoring. Second, if the timer isn't running, we must
945 * start it.
946 */
f3253339 947static int bond_option_miimon_set(struct bonding *bond,
28f084cc 948 const struct bond_opt_value *newval)
eecdaa6e 949{
eac306b4
MD		 950 netdev_dbg(bond->dev, "Setting MII monitoring interval to %llu\n",
951 newval->value);
b98d9c66 952 bond->params.miimon = newval->value;
eecdaa6e 953 if (bond->params.updelay)
eac306b4
MD		 954 netdev_dbg(bond->dev, "Note: Updating updelay (to %d) since it is a multiple of the miimon value\n",
955 bond->params.updelay * bond->params.miimon);
eecdaa6e 956 if (bond->params.downdelay)
eac306b4
MD		 957 netdev_dbg(bond->dev, "Note: Updating downdelay (to %d) since it is a multiple of the miimon value\n",
958 bond->params.downdelay * bond->params.miimon);
07a4ddec
VB		 959 if (bond->params.peer_notif_delay)
960 netdev_dbg(bond->dev, "Note: Updating peer_notif_delay (to %d) since it is a multiple of the miimon value\n",
961 bond->params.peer_notif_delay * bond->params.miimon);
b98d9c66 962 if (newval->value && bond->params.arp_interval) {
eac306b4 963 netdev_dbg(bond->dev, "MII monitoring cannot be used with ARP monitoring - disabling ARP monitoring...\n");
eecdaa6e 964 bond->params.arp_interval = 0;
965 if (bond->params.arp_validate)
966 bond->params.arp_validate = BOND_ARP_VALIDATE_NONE;
967 }
968 if (bond->dev->flags & IFF_UP) {
969 /* If the interface is up, we may need to fire off
970 * the MII timer. If the interface is down, the
971 * timer will get fired off when the open function
972 * is called.
973 */
b98d9c66 974 if (!newval->value) {
eecdaa6e 975 cancel_delayed_work_sync(&bond->mii_work);
976 } else {
977 cancel_delayed_work_sync(&bond->arp_work);
978 queue_delayed_work(bond->wq, &bond->mii_work, 0);
979 }
980 }
b98d9c66 981
eecdaa6e 982 return 0;
983}
25852e29 984
07a4ddec
VB		 985/* Set up, down and peer notification delays. These must be multiples
986 * of the MII monitoring value, and are stored internally as the
987 * multiplier. Thus, we must translate to MS for the real world.
dc3e5d18 988 */
07a4ddec
VB		 989static int _bond_option_delay_set(struct bonding *bond,
990 const struct bond_opt_value *newval,
991 const char *name,
992 int *target)
25852e29 993{
0681a282
NA		 994 int value = newval->value;
995
e4994612 996 if (!bond->params.miimon) {
07a4ddec
VB		 997 netdev_err(bond->dev, "Unable to set %s as MII monitoring is disabled\n",
998 name);
25852e29 999 return -EPERM;
1000 }
0681a282 1001 if ((value % bond->params.miimon) != 0) {
07a4ddec
VB		 1002 netdev_warn(bond->dev,
1003 "%s (%d) is not a multiple of miimon (%d), value rounded to %d ms\n",
1004 name,
2de390ba
VF		 1005 value, bond->params.miimon,
1006 (value / bond->params.miimon) *
1007 bond->params.miimon);
25852e29 1008 }
07a4ddec
VB		 1009 *target = value / bond->params.miimon;
1010 netdev_dbg(bond->dev, "Setting %s to %d\n",
1011 name,
1012 *target * bond->params.miimon);
25852e29 1013
1014 return 0;
1015}
c7461f9b 1016
07a4ddec
VB		 1017static int bond_option_updelay_set(struct bonding *bond,
1018 const struct bond_opt_value *newval)
1019{
1020 return _bond_option_delay_set(bond, newval, "up delay",
1021 &bond->params.updelay);
1022}
1023
f3253339 1024static int bond_option_downdelay_set(struct bonding *bond,
28f084cc 1025 const struct bond_opt_value *newval)
c7461f9b 1026{
07a4ddec
VB		 1027 return _bond_option_delay_set(bond, newval, "down delay",
1028 &bond->params.downdelay);
1029}
c7461f9b 1030
07a4ddec
VB		 1031static int bond_option_peer_notif_delay_set(struct bonding *bond,
1032 const struct bond_opt_value *newval)
1033{
1034 int ret = _bond_option_delay_set(bond, newval,
1035 "peer notification delay",
1036 &bond->params.peer_notif_delay);
1037 return ret;
c7461f9b 1038}
9f53e14e 1039
f3253339 1040static int bond_option_use_carrier_set(struct bonding *bond,
28f084cc 1041 const struct bond_opt_value *newval)
9f53e14e 1042{
eac306b4
MD		 1043 netdev_dbg(bond->dev, "Setting use_carrier to %llu\n",
1044 newval->value);
0fff0608 1045 bond->params.use_carrier = newval->value;
9f53e14e 1046
1047 return 0;
1048}
06151dbc 1049
dc3e5d18
NA		 1050/* There are two tricky bits here. First, if ARP monitoring is activated, then
1051 * we must disable MII monitoring. Second, if the ARP timer isn't running,
1052 * we must start it.
1053 */
f3253339 1054static int bond_option_arp_interval_set(struct bonding *bond,
28f084cc 1055 const struct bond_opt_value *newval)
06151dbc 1056{
eac306b4
MD		 1057 netdev_dbg(bond->dev, "Setting ARP monitoring interval to %llu\n",
1058 newval->value);
7bdb04ed
NA		 1059 bond->params.arp_interval = newval->value;
1060 if (newval->value) {
06151dbc 1061 if (bond->params.miimon) {
eac306b4 1062 netdev_dbg(bond->dev, "ARP monitoring cannot be used with MII monitoring. Disabling MII monitoring\n");
06151dbc 1063 bond->params.miimon = 0;
1064 }
1065 if (!bond->params.arp_targets[0])
eac306b4 1066 netdev_dbg(bond->dev, "ARP monitoring has been set up, but no ARP targets have been specified\n");
06151dbc 1067 }
1068 if (bond->dev->flags & IFF_UP) {
1069 /* If the interface is up, we may need to fire off
1070 * the ARP timer. If the interface is down, the
1071 * timer will get fired off when the open function
1072 * is called.
1073 */
7bdb04ed 1074 if (!newval->value) {
06151dbc 1075 if (bond->params.arp_validate)
1076 bond->recv_probe = NULL;
1077 cancel_delayed_work_sync(&bond->arp_work);
1078 } else {
1079 /* arp_validate can be set only in active-backup mode */
4e24be01 1080 bond->recv_probe = bond_rcv_validate;
06151dbc 1081 cancel_delayed_work_sync(&bond->mii_work);
1082 queue_delayed_work(bond->wq, &bond->arp_work, 0);
1083 }
1084 }
1085
1086 return 0;
1087}
7f28fa10 1088
1089static void _bond_options_arp_ip_target_set(struct bonding *bond, int slot,
1090 __be32 target,
1091 unsigned long last_rx)
1092{
1093 __be32 *targets = bond->params.arp_targets;
1094 struct list_head *iter;
1095 struct slave *slave;
1096
1097 if (slot >= 0 && slot < BOND_MAX_ARP_TARGETS) {
1098 bond_for_each_slave(bond, slave, iter)
1099 slave->target_last_arp_rx[slot] = last_rx;
1100 targets[slot] = target;
1101 }
1102}
1103
1104static int _bond_option_arp_ip_target_add(struct bonding *bond, __be32 target)
1105{
1106 __be32 *targets = bond->params.arp_targets;
1107 int ind;
1108
2807a9fe 1109 if (!bond_is_ip_target_ok(target)) {
2de390ba
VF		 1110 netdev_err(bond->dev, "invalid ARP target %pI4 specified for addition\n",
1111 &target);
7f28fa10 1112 return -EINVAL;
1113 }
1114
1115 if (bond_get_targets_ip(targets, target) != -1) { /* dup */
2de390ba
VF		 1116 netdev_err(bond->dev, "ARP target %pI4 is already present\n",
1117 &target);
7f28fa10 1118 return -EINVAL;
1119 }
1120
1121 ind = bond_get_targets_ip(targets, 0); /* first free slot */
1122 if (ind == -1) {
2de390ba 1123 netdev_err(bond->dev, "ARP target table is full!\n");
7f28fa10 1124 return -EINVAL;
1125 }
1126
eac306b4 1127 netdev_dbg(bond->dev, "Adding ARP target %pI4\n", &target);
7f28fa10 1128
1129 _bond_options_arp_ip_target_set(bond, ind, target, jiffies);
1130
1131 return 0;
1132}
1133
f3253339 1134static int bond_option_arp_ip_target_add(struct bonding *bond, __be32 target)
7f28fa10 1135{
246df7b4 1136 return _bond_option_arp_ip_target_add(bond, target);
7f28fa10 1137}
1138
f3253339 1139static int bond_option_arp_ip_target_rem(struct bonding *bond, __be32 target)
7f28fa10 1140{
1141 __be32 *targets = bond->params.arp_targets;
1142 struct list_head *iter;
1143 struct slave *slave;
1144 unsigned long *targets_rx;
1145 int ind, i;
1146
2807a9fe 1147 if (!bond_is_ip_target_ok(target)) {
2de390ba
VF		 1148 netdev_err(bond->dev, "invalid ARP target %pI4 specified for removal\n",
1149 &target);
7f28fa10 1150 return -EINVAL;
1151 }
1152
1153 ind = bond_get_targets_ip(targets, target);
1154 if (ind == -1) {
2de390ba
VF		 1155 netdev_err(bond->dev, "unable to remove nonexistent ARP target %pI4\n",
1156 &target);
7f28fa10 1157 return -EINVAL;
1158 }
1159
1160 if (ind == 0 && !targets[1] && bond->params.arp_interval)
2de390ba 1161 netdev_warn(bond->dev, "Removing last arp target with arp_interval on\n");
7f28fa10 1162
eac306b4 1163 netdev_dbg(bond->dev, "Removing ARP target %pI4\n", &target);
7f28fa10 1164
7f28fa10 1165 bond_for_each_slave(bond, slave, iter) {
1166 targets_rx = slave->target_last_arp_rx;
1167 for (i = ind; (i < BOND_MAX_ARP_TARGETS-1) && targets[i+1]; i++)
1168 targets_rx[i] = targets_rx[i+1];
1169 targets_rx[i] = 0;
1170 }
1171 for (i = ind; (i < BOND_MAX_ARP_TARGETS-1) && targets[i+1]; i++)
1172 targets[i] = targets[i+1];
1173 targets[i] = 0;
1174
7f28fa10 1175 return 0;
1176}
1177
4fb0ef58 1178void bond_option_arp_ip_targets_clear(struct bonding *bond)
7f28fa10 1179{
4fb0ef58 1180 int i;
7f28fa10 1181
7f28fa10 1182 for (i = 0; i < BOND_MAX_ARP_TARGETS; i++)
1183 _bond_options_arp_ip_target_set(bond, i, 0, 0);
4fb0ef58 1184}
7f28fa10 1185
f3253339 1186static int bond_option_arp_ip_targets_set(struct bonding *bond,
28f084cc 1187 const struct bond_opt_value *newval)
4fb0ef58
NA		 1188{
1189 int ret = -EPERM;
1190 __be32 target;
1191
1192 if (newval->string) {
1193 if (!in4_pton(newval->string+1, -1, (u8 *)&target, -1, NULL)) {
2de390ba
VF		 1194 netdev_err(bond->dev, "invalid ARP target %pI4 specified\n",
1195 &target);
4fb0ef58
NA		 1196 return ret;
1197 }
1198 if (newval->string[0] == '+')
1199 ret = bond_option_arp_ip_target_add(bond, target);
1200 else if (newval->string[0] == '-')
1201 ret = bond_option_arp_ip_target_rem(bond, target);
1202 else
2de390ba 1203 netdev_err(bond->dev, "no command found in arp_ip_targets file - use +<addr> or -<addr>\n");
4fb0ef58
NA		 1204 } else {
1205 target = newval->value;
1206 ret = bond_option_arp_ip_target_add(bond, target);
7f28fa10 1207 }
1208
7f28fa10 1209 return ret;
1210}
29c49482 1211
129e3c1b
HL		 1212#if IS_ENABLED(CONFIG_IPV6)
1213static void _bond_options_ns_ip6_target_set(struct bonding *bond, int slot,
1214 struct in6_addr *target,
1215 unsigned long last_rx)
1216{
1217 struct in6_addr *targets = bond->params.ns_targets;
1218 struct list_head *iter;
1219 struct slave *slave;
1220
1221 if (slot >= 0 && slot < BOND_MAX_NS_TARGETS) {
1222 bond_for_each_slave(bond, slave, iter)
1223 slave->target_last_arp_rx[slot] = last_rx;
1224 targets[slot] = *target;
1225 }
1226}
1227
1228void bond_option_ns_ip6_targets_clear(struct bonding *bond)
1229{
1230 struct in6_addr addr_any = in6addr_any;
1231 int i;
1232
1233 for (i = 0; i < BOND_MAX_NS_TARGETS; i++)
1234 _bond_options_ns_ip6_target_set(bond, i, &addr_any, 0);
1235}
1236
1237static int bond_option_ns_ip6_targets_set(struct bonding *bond,
1238 const struct bond_opt_value *newval)
1239{
1240 struct in6_addr *target = (struct in6_addr *)newval->extra;
1241 struct in6_addr *targets = bond->params.ns_targets;
1242 struct in6_addr addr_any = in6addr_any;
1243 int index;
1244
1245 if (!bond_is_ip6_target_ok(target)) {
1246 netdev_err(bond->dev, "invalid NS target %pI6c specified for addition\n",
1247 target);
1248 return -EINVAL;
1249 }
1250
1251 if (bond_get_targets_ip6(targets, target) != -1) { /* dup */
1252 netdev_err(bond->dev, "NS target %pI6c is already present\n",
1253 target);
1254 return -EINVAL;
1255 }
1256
1257 index = bond_get_targets_ip6(targets, &addr_any); /* first free slot */
1258 if (index == -1) {
1259 netdev_err(bond->dev, "NS target table is full!\n");
1260 return -EINVAL;
1261 }
1262
1263 netdev_dbg(bond->dev, "Adding NS target %pI6c\n", target);
1264
1265 _bond_options_ns_ip6_target_set(bond, index, target, jiffies);
1266
1267 return 0;
1268}
c4caa500
HL		 1269#else
1270static int bond_option_ns_ip6_targets_set(struct bonding *bond,
1271 const struct bond_opt_value *newval)
1272{
1273 return -EPERM;
1274}
129e3c1b
HL		 1275#endif
1276
f3253339 1277static int bond_option_arp_validate_set(struct bonding *bond,
28f084cc 1278 const struct bond_opt_value *newval)
29c49482 1279{
eac306b4
MD		 1280 netdev_dbg(bond->dev, "Setting arp_validate to %s (%llu)\n",
1281 newval->string, newval->value);
16228881 1282 bond->params.arp_validate = newval->value;
29c49482 1283
1284 return 0;
1285}
d5c84254 1286
f3253339 1287static int bond_option_arp_all_targets_set(struct bonding *bond,
28f084cc 1288 const struct bond_opt_value *newval)
d5c84254 1289{
eac306b4
MD		 1290 netdev_dbg(bond->dev, "Setting arp_all_targets to %s (%llu)\n",
1291 newval->string, newval->value);
edf36b24 1292 bond->params.arp_all_targets = newval->value;
d5c84254 1293
1294 return 0;
1295}
0a98a0d1 1296
5944b5ab
HL		 1297static int bond_option_missed_max_set(struct bonding *bond,
1298 const struct bond_opt_value *newval)
1299{
1300 netdev_dbg(bond->dev, "Setting missed max to %s (%llu)\n",
1301 newval->string, newval->value);
1302 bond->params.missed_max = newval->value;
1303
1304 return 0;
1305}
1306
0a2ff7cc
HL		 1307static int bond_option_prio_set(struct bonding *bond,
1308 const struct bond_opt_value *newval)
1309{
1310 struct slave *slave;
1311
1312 slave = bond_slave_get_rtnl(newval->slave_dev);
1313 if (!slave) {
1314 netdev_dbg(newval->slave_dev, "%s called on NULL slave\n", __func__);
1315 return -ENODEV;
1316 }
1317 slave->prio = newval->value;
1318
1319 if (rtnl_dereference(bond->primary_slave))
1320 slave_warn(bond->dev, slave->dev,
1321 "prio updated, but will not affect failover re-selection as primary slave have been set\n");
1322 else
1323 bond_select_active_slave(bond);
1324
1325 return 0;
1326}
1327
f3253339 1328static int bond_option_primary_set(struct bonding *bond,
28f084cc 1329 const struct bond_opt_value *newval)
0a98a0d1 1330{
180222f0 1331 char *p, *primary = newval->string;
0a98a0d1 1332 struct list_head *iter;
1333 struct slave *slave;
0a98a0d1 1334
1335 block_netpoll_tx();
0a98a0d1 1336
180222f0
NA		 1337 p = strchr(primary, '\n');
1338 if (p)
1339 *p = '\0';
0a98a0d1 1340 /* check to see if we are clearing primary */
1341 if (!strlen(primary)) {
eac306b4 1342 netdev_dbg(bond->dev, "Setting primary slave to None\n");
059b47e8 1343 RCU_INIT_POINTER(bond->primary_slave, NULL);
0a98a0d1 1344 memset(bond->params.primary, 0, sizeof(bond->params.primary));
1345 bond_select_active_slave(bond);
1346 goto out;
1347 }
1348
1349 bond_for_each_slave(bond, slave, iter) {
1350 if (strncmp(slave->dev->name, primary, IFNAMSIZ) == 0) {
f887e54c 1351 slave_dbg(bond->dev, slave->dev, "Setting as primary slave\n");
059b47e8 1352 rcu_assign_pointer(bond->primary_slave, slave);
0a98a0d1 1353 strcpy(bond->params.primary, slave->dev->name);
eb55bbf8 1354 bond->force_primary = true;
0a98a0d1 1355 bond_select_active_slave(bond);
1356 goto out;
1357 }
1358 }
1359
059b47e8 1360 if (rtnl_dereference(bond->primary_slave)) {
eac306b4 1361 netdev_dbg(bond->dev, "Setting primary slave to None\n");
059b47e8 1362 RCU_INIT_POINTER(bond->primary_slave, NULL);
c59ab673 1363 bond_select_active_slave(bond);
1364 }
43902070 1365 strscpy_pad(bond->params.primary, primary, IFNAMSIZ);
0a98a0d1 1366
f887e54c
JW		 1367 netdev_dbg(bond->dev, "Recording %s as primary, but it has not been enslaved yet\n",
1368 primary);
0a98a0d1 1369
1370out:
0a98a0d1 1371 unblock_netpoll_tx();
1372
180222f0 1373 return 0;
0a98a0d1 1374}
8a41ae44 1375
f3253339 1376static int bond_option_primary_reselect_set(struct bonding *bond,
28f084cc 1377 const struct bond_opt_value *newval)
8a41ae44 1378{
eac306b4
MD		 1379 netdev_dbg(bond->dev, "Setting primary_reselect to %s (%llu)\n",
1380 newval->string, newval->value);
388d3a6d 1381 bond->params.primary_reselect = newval->value;
8a41ae44 1382
1383 block_netpoll_tx();
8a41ae44 1384 bond_select_active_slave(bond);
8a41ae44 1385 unblock_netpoll_tx();
1386
1387 return 0;
1388}
89901972 1389
f3253339 1390static int bond_option_fail_over_mac_set(struct bonding *bond,
28f084cc 1391 const struct bond_opt_value *newval)
89901972 1392{
eac306b4
MD		 1393 netdev_dbg(bond->dev, "Setting fail_over_mac to %s (%llu)\n",
1394 newval->string, newval->value);
1df6b6aa 1395 bond->params.fail_over_mac = newval->value;
89901972 1396
1397 return 0;
1398}
f70161c6 1399
f3253339 1400static int bond_option_xmit_hash_policy_set(struct bonding *bond,
28f084cc 1401 const struct bond_opt_value *newval)
f70161c6 1402{
eac306b4
MD		 1403 netdev_dbg(bond->dev, "Setting xmit hash policy to %s (%llu)\n",
1404 newval->string, newval->value);
a4b32ce7 1405 bond->params.xmit_policy = newval->value;
f70161c6 1406
1407 return 0;
1408}
d8838de7 1409
f3253339 1410static int bond_option_resend_igmp_set(struct bonding *bond,
28f084cc 1411 const struct bond_opt_value *newval)
d8838de7 1412{
eac306b4
MD		 1413 netdev_dbg(bond->dev, "Setting resend_igmp to %llu\n",
1414 newval->value);
105c8fb6 1415 bond->params.resend_igmp = newval->value;
d8838de7 1416
1417 return 0;
1418}
2c9839c1 1419
f3253339 1420static int bond_option_num_peer_notif_set(struct bonding *bond,
28f084cc 1421 const struct bond_opt_value *newval)
2c9839c1 1422{
ef56becb
NA		 1423 bond->params.num_peer_notif = newval->value;
1424
2c9839c1 1425 return 0;
1426}
1cc0b1e3 1427
f3253339 1428static int bond_option_all_slaves_active_set(struct bonding *bond,
28f084cc 1429 const struct bond_opt_value *newval)
1cc0b1e3 1430{
1431 struct list_head *iter;
1432 struct slave *slave;
1433
3df01162 1434 if (newval->value == bond->params.all_slaves_active)
1cc0b1e3 1435 return 0;
3df01162 1436 bond->params.all_slaves_active = newval->value;
1cc0b1e3 1437 bond_for_each_slave(bond, slave, iter) {
1438 if (!bond_is_active_slave(slave)) {
3df01162 1439 if (newval->value)
1cc0b1e3 1440 slave->inactive = 0;
1441 else
1442 slave->inactive = 1;
1443 }
1444 }
1445
1446 return 0;
1447}
7d101008 1448
f3253339 1449static int bond_option_min_links_set(struct bonding *bond,
28f084cc 1450 const struct bond_opt_value *newval)
7d101008 1451{
eac306b4
MD		 1452 netdev_dbg(bond->dev, "Setting min links value to %llu\n",
1453 newval->value);
633ddc9e 1454 bond->params.min_links = newval->value;
2477bc9a 1455 bond_set_carrier(bond);
7d101008 1456
1457 return 0;
1458}
8d836d09 1459
f3253339 1460static int bond_option_lp_interval_set(struct bonding *bond,
28f084cc 1461 const struct bond_opt_value *newval)
8d836d09 1462{
4325b374 1463 bond->params.lp_interval = newval->value;
8d836d09 1464
1465 return 0;
1466}
c13ab3ff 1467
f3253339 1468static int bond_option_pps_set(struct bonding *bond,
28f084cc 1469 const struct bond_opt_value *newval)
c13ab3ff 1470{
eac306b4
MD		 1471 netdev_dbg(bond->dev, "Setting packets per slave to %llu\n",
1472 newval->value);
aa59d851
NA		 1473 bond->params.packets_per_slave = newval->value;
1474 if (newval->value > 0) {
809fa972 1475 bond->params.reciprocal_packets_per_slave =
aa59d851 1476 reciprocal_value(newval->value);
809fa972
HFS		 1477 } else {
1478 /* reciprocal_packets_per_slave is unused if
1479 * packets_per_slave is 0 or 1, just initialize it
1480 */
1481 bond->params.reciprocal_packets_per_slave =
1482 (struct reciprocal_value) { 0 };
1483 }
c13ab3ff 1484
1485 return 0;
1486}
998e40bb 1487
3a755cd8
HL		 1488static int bond_option_lacp_active_set(struct bonding *bond,
1489 const struct bond_opt_value *newval)
1490{
1491 netdev_dbg(bond->dev, "Setting LACP active to %s (%llu)\n",
1492 newval->string, newval->value);
1493 bond->params.lacp_active = newval->value;
1494
1495 return 0;
1496}
1497
f3253339 1498static int bond_option_lacp_rate_set(struct bonding *bond,
28f084cc 1499 const struct bond_opt_value *newval)
998e40bb 1500{
eac306b4
MD		 1501 netdev_dbg(bond->dev, "Setting LACP rate to %s (%llu)\n",
1502 newval->string, newval->value);
d3131de7 1503 bond->params.lacp_fast = newval->value;
3243c47b 1504 bond_3ad_update_lacp_rate(bond);
998e40bb 1505
1506 return 0;
1507}
ec029fac 1508
f3253339 1509static int bond_option_ad_select_set(struct bonding *bond,
28f084cc 1510 const struct bond_opt_value *newval)
ec029fac 1511{
eac306b4
MD		 1512 netdev_dbg(bond->dev, "Setting ad_select to %s (%llu)\n",
1513 newval->string, newval->value);
9e5f5eeb 1514 bond->params.ad_select = newval->value;
ec029fac 1515
1516 return 0;
1517}
24089ba1 1518
f3253339 1519static int bond_option_queue_id_set(struct bonding *bond,
28f084cc 1520 const struct bond_opt_value *newval)
24089ba1
NA		 1521{
1522 struct slave *slave, *update_slave;
1523 struct net_device *sdev;
1524 struct list_head *iter;
1525 char *delim;
1526 int ret = 0;
1527 u16 qid;
1528
1529 /* delim will point to queue id if successful */
1530 delim = strchr(newval->string, ':');
1531 if (!delim)
1532 goto err_no_cmd;
1533
1534 /* Terminate string that points to device name and bump it
1535 * up one, so we can read the queue id there.
1536 */
1537 *delim = '\0';
1538 if (sscanf(++delim, "%hd\n", &qid) != 1)
1539 goto err_no_cmd;
1540
1541 /* Check buffer length, valid ifname and queue id */
c313c89e 1542 if (!dev_valid_name(newval->string) ||
24089ba1
NA		 1543 qid > bond->dev->real_num_tx_queues)
1544 goto err_no_cmd;
1545
1546 /* Get the pointer to that interface if it exists */
1547 sdev = __dev_get_by_name(dev_net(bond->dev), newval->string);
1548 if (!sdev)
1549 goto err_no_cmd;
1550
1551 /* Search for thes slave and check for duplicate qids */
1552 update_slave = NULL;
1553 bond_for_each_slave(bond, slave, iter) {
1554 if (sdev == slave->dev)
1555 /* We don't need to check the matching
1556 * slave for dups, since we're overwriting it
1557 */
1558 update_slave = slave;
1559 else if (qid && qid == slave->queue_id) {
1560 goto err_no_cmd;
1561 }
1562 }
1563
1564 if (!update_slave)
1565 goto err_no_cmd;
1566
1567 /* Actually set the qids for the slave */
1568 update_slave->queue_id = qid;
1569
1570out:
1571 return ret;
1572
1573err_no_cmd:
eac306b4 1574 netdev_dbg(bond->dev, "invalid input for queue_id set\n");
24089ba1
NA		 1575 ret = -EPERM;
1576 goto out;
1577
1578}
0e2e5b66 1579
f3253339 1580static int bond_option_slaves_set(struct bonding *bond,
28f084cc 1581 const struct bond_opt_value *newval)
0e2e5b66
NA		 1582{
1583 char command[IFNAMSIZ + 1] = { 0, };
1584 struct net_device *dev;
1585 char *ifname;
1586 int ret;
1587
1588 sscanf(newval->string, "%16s", command); /* IFNAMSIZ*/
1589 ifname = command + 1;
1590 if ((strlen(command) <= 1) ||
415d3942 1591 (command[0] != '+' && command[0] != '-') ||
0e2e5b66
NA		 1592 !dev_valid_name(ifname))
1593 goto err_no_cmd;
1594
1595 dev = __dev_get_by_name(dev_net(bond->dev), ifname);
1596 if (!dev) {
eac306b4
MD		 1597 netdev_dbg(bond->dev, "interface %s does not exist!\n",
1598 ifname);
0e2e5b66
NA		 1599 ret = -ENODEV;
1600 goto out;
1601 }
1602
1603 switch (command[0]) {
1604 case '+':
f887e54c 1605 slave_dbg(bond->dev, dev, "Enslaving interface\n");
33eaf2a6 1606 ret = bond_enslave(bond->dev, dev, NULL);
0e2e5b66
NA		 1607 break;
1608
1609 case '-':
f887e54c 1610 slave_dbg(bond->dev, dev, "Releasing interface\n");
0e2e5b66
NA		 1611 ret = bond_release(bond->dev, dev);
1612 break;
1613
1614 default:
415d3942 1615 /* should not run here. */
0e2e5b66
NA		 1616 goto err_no_cmd;
1617 }
1618
1619out:
1620 return ret;
1621
1622err_no_cmd:
2de390ba 1623 netdev_err(bond->dev, "no command found in slaves file - use +ifname or -ifname\n");
0e2e5b66
NA		 1624 ret = -EPERM;
1625 goto out;
1626}
e9f0fb88
MB		 1627
1628static int bond_option_tlb_dynamic_lb_set(struct bonding *bond,
1629 const struct bond_opt_value *newval)
1630{
eac306b4
MD		 1631 netdev_dbg(bond->dev, "Setting dynamic-lb to %s (%llu)\n",
1632 newval->string, newval->value);
e9f0fb88
MB		 1633 bond->params.tlb_dynamic_lb = newval->value;
1634
1635 return 0;
1636}
6791e466
MB		 1637
1638static int bond_option_ad_actor_sys_prio_set(struct bonding *bond,
1639 const struct bond_opt_value *newval)
1640{
eac306b4
MD		 1641 netdev_dbg(bond->dev, "Setting ad_actor_sys_prio to %llu\n",
1642 newval->value);
6791e466
MB		 1643
1644 bond->params.ad_actor_sys_prio = newval->value;
5ee14e6d
NA		 1645 bond_3ad_update_ad_actor_settings(bond);
1646
6791e466
MB		 1647 return 0;
1648}
74514957
MB		 1649
1650static int bond_option_ad_actor_system_set(struct bonding *bond,
1651 const struct bond_opt_value *newval)
1652{
1653 u8 macaddr[ETH_ALEN];
171a42c3 1654 u8 *mac;
74514957 1655
171a42c3 1656 if (newval->string) {
ce5c144f 1657 if (!mac_pton(newval->string, macaddr))
171a42c3
AG		 1658 goto err;
1659 mac = macaddr;
1660 } else {
1661 mac = (u8 *)&newval->value;
74514957
MB		 1662 }
1663
1c15b05b 1664 if (is_multicast_ether_addr(mac))
171a42c3
AG		 1665 goto err;
1666
eac306b4 1667 netdev_dbg(bond->dev, "Setting ad_actor_system to %pM\n", mac);
171a42c3 1668 ether_addr_copy(bond->params.ad_actor_system, mac);
5ee14e6d
NA		 1669 bond_3ad_update_ad_actor_settings(bond);
1670
74514957 1671 return 0;
171a42c3
AG		 1672
1673err:
f887e54c 1674 netdev_err(bond->dev, "Invalid ad_actor_system MAC address.\n");
171a42c3 1675 return -EINVAL;
74514957 1676}
d22a5fc0
MB		 1677
1678static int bond_option_ad_user_port_key_set(struct bonding *bond,
1679 const struct bond_opt_value *newval)
1680{
eac306b4
MD		 1681 netdev_dbg(bond->dev, "Setting ad_user_port_key to %llu\n",
1682 newval->value);
d22a5fc0
MB		 1683
1684 bond->params.ad_user_port_key = newval->value;
1685 return 0;
1686}
Linux 6.x block layer and io_uring tree(s)