Commit | Line | Data |
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2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
72be35fe JP |
2 | /* |
3 | * drivers/net/bond/bond_options.c - bonding options | |
4 | * Copyright (c) 2013 Jiri Pirko <jiri@resnulli.us> | |
eecdaa6e | 5 | * Copyright (c) 2013 Scott Feldman <sfeldma@cumulusnetworks.com> |
72be35fe JP |
6 | */ |
7 | ||
72be35fe JP |
8 | #include <linux/errno.h> |
9 | #include <linux/if.h> | |
d9e32b21 | 10 | #include <linux/netdevice.h> |
eb2d4c64 | 11 | #include <linux/spinlock.h> |
d9e32b21 | 12 | #include <linux/rcupdate.h> |
09117362 | 13 | #include <linux/ctype.h> |
4fb0ef58 | 14 | #include <linux/inet.h> |
174cd4b1 IM |
15 | #include <linux/sched/signal.h> |
16 | ||
1ef8019b | 17 | #include <net/bonding.h> |
72be35fe | 18 | |
f3253339 | 19 | static int bond_option_active_slave_set(struct bonding *bond, |
28f084cc | 20 | const struct bond_opt_value *newval); |
f3253339 | 21 | static int bond_option_miimon_set(struct bonding *bond, |
28f084cc | 22 | const struct bond_opt_value *newval); |
f3253339 | 23 | static int bond_option_updelay_set(struct bonding *bond, |
28f084cc | 24 | const struct bond_opt_value *newval); |
f3253339 | 25 | static int bond_option_downdelay_set(struct bonding *bond, |
28f084cc | 26 | const struct bond_opt_value *newval); |
07a4ddec VB |
27 | static int bond_option_peer_notif_delay_set(struct bonding *bond, |
28 | const struct bond_opt_value *newval); | |
f3253339 | 29 | static int bond_option_use_carrier_set(struct bonding *bond, |
28f084cc | 30 | const struct bond_opt_value *newval); |
f3253339 | 31 | static int bond_option_arp_interval_set(struct bonding *bond, |
28f084cc | 32 | const struct bond_opt_value *newval); |
f3253339 | 33 | static int bond_option_arp_ip_target_add(struct bonding *bond, __be32 target); |
34 | static int bond_option_arp_ip_target_rem(struct bonding *bond, __be32 target); | |
35 | static int bond_option_arp_ip_targets_set(struct bonding *bond, | |
28f084cc | 36 | const struct bond_opt_value *newval); |
f3253339 | 37 | static int bond_option_arp_validate_set(struct bonding *bond, |
28f084cc | 38 | const struct bond_opt_value *newval); |
f3253339 | 39 | static int bond_option_arp_all_targets_set(struct bonding *bond, |
28f084cc | 40 | const struct bond_opt_value *newval); |
f3253339 | 41 | static int bond_option_primary_set(struct bonding *bond, |
28f084cc | 42 | const struct bond_opt_value *newval); |
f3253339 | 43 | static int bond_option_primary_reselect_set(struct bonding *bond, |
28f084cc | 44 | const struct bond_opt_value *newval); |
f3253339 | 45 | static int bond_option_fail_over_mac_set(struct bonding *bond, |
28f084cc | 46 | const struct bond_opt_value *newval); |
f3253339 | 47 | static int bond_option_xmit_hash_policy_set(struct bonding *bond, |
28f084cc | 48 | const struct bond_opt_value *newval); |
f3253339 | 49 | static int bond_option_resend_igmp_set(struct bonding *bond, |
28f084cc | 50 | const struct bond_opt_value *newval); |
f3253339 | 51 | static int bond_option_num_peer_notif_set(struct bonding *bond, |
28f084cc | 52 | const struct bond_opt_value *newval); |
f3253339 | 53 | static int bond_option_all_slaves_active_set(struct bonding *bond, |
28f084cc | 54 | const struct bond_opt_value *newval); |
f3253339 | 55 | static int bond_option_min_links_set(struct bonding *bond, |
28f084cc | 56 | const struct bond_opt_value *newval); |
f3253339 | 57 | static int bond_option_lp_interval_set(struct bonding *bond, |
28f084cc | 58 | const struct bond_opt_value *newval); |
f3253339 | 59 | static int bond_option_pps_set(struct bonding *bond, |
28f084cc | 60 | const struct bond_opt_value *newval); |
f3253339 | 61 | static int bond_option_lacp_rate_set(struct bonding *bond, |
28f084cc | 62 | const struct bond_opt_value *newval); |
f3253339 | 63 | static int bond_option_ad_select_set(struct bonding *bond, |
28f084cc | 64 | const struct bond_opt_value *newval); |
f3253339 | 65 | static int bond_option_queue_id_set(struct bonding *bond, |
28f084cc | 66 | const struct bond_opt_value *newval); |
f3253339 | 67 | static int bond_option_mode_set(struct bonding *bond, |
28f084cc | 68 | const struct bond_opt_value *newval); |
f3253339 | 69 | static int bond_option_slaves_set(struct bonding *bond, |
28f084cc | 70 | const struct bond_opt_value *newval); |
e9f0fb88 MB |
71 | static int bond_option_tlb_dynamic_lb_set(struct bonding *bond, |
72 | const struct bond_opt_value *newval); | |
6791e466 MB |
73 | static int bond_option_ad_actor_sys_prio_set(struct bonding *bond, |
74 | const struct bond_opt_value *newval); | |
74514957 MB |
75 | static int bond_option_ad_actor_system_set(struct bonding *bond, |
76 | const struct bond_opt_value *newval); | |
d22a5fc0 MB |
77 | static int bond_option_ad_user_port_key_set(struct bonding *bond, |
78 | const struct bond_opt_value *newval); | |
f3253339 | 79 | |
80 | ||
81 | static const struct bond_opt_value bond_mode_tbl[] = { | |
2b3798d5 NA |
82 | { "balance-rr", BOND_MODE_ROUNDROBIN, BOND_VALFLAG_DEFAULT}, |
83 | { "active-backup", BOND_MODE_ACTIVEBACKUP, 0}, | |
84 | { "balance-xor", BOND_MODE_XOR, 0}, | |
85 | { "broadcast", BOND_MODE_BROADCAST, 0}, | |
86 | { "802.3ad", BOND_MODE_8023AD, 0}, | |
87 | { "balance-tlb", BOND_MODE_TLB, 0}, | |
88 | { "balance-alb", BOND_MODE_ALB, 0}, | |
89 | { NULL, -1, 0}, | |
90 | }; | |
91 | ||
f3253339 | 92 | static const struct bond_opt_value bond_pps_tbl[] = { |
aa59d851 NA |
93 | { "default", 1, BOND_VALFLAG_DEFAULT}, |
94 | { "maxval", USHRT_MAX, BOND_VALFLAG_MAX}, | |
95 | { NULL, -1, 0}, | |
96 | }; | |
97 | ||
f3253339 | 98 | static const struct bond_opt_value bond_xmit_hashtype_tbl[] = { |
7b8fc010 JW |
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 | { "vlan+srcmac", BOND_XMIT_POLICY_VLAN_SRCMAC, 0}, | |
105 | { NULL, -1, 0}, | |
a4b32ce7 NA |
106 | }; |
107 | ||
f3253339 | 108 | static const struct bond_opt_value bond_arp_validate_tbl[] = { |
896149ff VF |
109 | { "none", BOND_ARP_VALIDATE_NONE, BOND_VALFLAG_DEFAULT}, |
110 | { "active", BOND_ARP_VALIDATE_ACTIVE, 0}, | |
111 | { "backup", BOND_ARP_VALIDATE_BACKUP, 0}, | |
112 | { "all", BOND_ARP_VALIDATE_ALL, 0}, | |
113 | { "filter", BOND_ARP_FILTER, 0}, | |
114 | { "filter_active", BOND_ARP_FILTER_ACTIVE, 0}, | |
115 | { "filter_backup", BOND_ARP_FILTER_BACKUP, 0}, | |
116 | { NULL, -1, 0}, | |
16228881 NA |
117 | }; |
118 | ||
f3253339 | 119 | static const struct bond_opt_value bond_arp_all_targets_tbl[] = { |
edf36b24 NA |
120 | { "any", BOND_ARP_TARGETS_ANY, BOND_VALFLAG_DEFAULT}, |
121 | { "all", BOND_ARP_TARGETS_ALL, 0}, | |
122 | { NULL, -1, 0}, | |
123 | }; | |
124 | ||
f3253339 | 125 | static const struct bond_opt_value bond_fail_over_mac_tbl[] = { |
1df6b6aa NA |
126 | { "none", BOND_FOM_NONE, BOND_VALFLAG_DEFAULT}, |
127 | { "active", BOND_FOM_ACTIVE, 0}, | |
128 | { "follow", BOND_FOM_FOLLOW, 0}, | |
129 | { NULL, -1, 0}, | |
130 | }; | |
131 | ||
f3253339 | 132 | static const struct bond_opt_value bond_intmax_tbl[] = { |
7bdb04ed NA |
133 | { "off", 0, BOND_VALFLAG_DEFAULT}, |
134 | { "maxval", INT_MAX, BOND_VALFLAG_MAX}, | |
81c70806 | 135 | { NULL, -1, 0} |
7bdb04ed NA |
136 | }; |
137 | ||
f3253339 | 138 | static const struct bond_opt_value bond_lacp_rate_tbl[] = { |
d3131de7 NA |
139 | { "slow", AD_LACP_SLOW, 0}, |
140 | { "fast", AD_LACP_FAST, 0}, | |
141 | { NULL, -1, 0}, | |
142 | }; | |
143 | ||
f3253339 | 144 | static const struct bond_opt_value bond_ad_select_tbl[] = { |
9e5f5eeb NA |
145 | { "stable", BOND_AD_STABLE, BOND_VALFLAG_DEFAULT}, |
146 | { "bandwidth", BOND_AD_BANDWIDTH, 0}, | |
147 | { "count", BOND_AD_COUNT, 0}, | |
148 | { NULL, -1, 0}, | |
149 | }; | |
150 | ||
f3253339 | 151 | static const struct bond_opt_value bond_num_peer_notif_tbl[] = { |
ef56becb NA |
152 | { "off", 0, 0}, |
153 | { "maxval", 255, BOND_VALFLAG_MAX}, | |
154 | { "default", 1, BOND_VALFLAG_DEFAULT}, | |
155 | { NULL, -1, 0} | |
156 | }; | |
157 | ||
f3253339 | 158 | static const struct bond_opt_value bond_primary_reselect_tbl[] = { |
388d3a6d NA |
159 | { "always", BOND_PRI_RESELECT_ALWAYS, BOND_VALFLAG_DEFAULT}, |
160 | { "better", BOND_PRI_RESELECT_BETTER, 0}, | |
161 | { "failure", BOND_PRI_RESELECT_FAILURE, 0}, | |
162 | { NULL, -1}, | |
163 | }; | |
164 | ||
f3253339 | 165 | static const struct bond_opt_value bond_use_carrier_tbl[] = { |
b3c898e2 DB |
166 | { "off", 0, 0}, |
167 | { "on", 1, BOND_VALFLAG_DEFAULT}, | |
168 | { NULL, -1, 0} | |
0fff0608 NA |
169 | }; |
170 | ||
f3253339 | 171 | static const struct bond_opt_value bond_all_slaves_active_tbl[] = { |
3df01162 NA |
172 | { "off", 0, BOND_VALFLAG_DEFAULT}, |
173 | { "on", 1, 0}, | |
174 | { NULL, -1, 0} | |
175 | }; | |
176 | ||
f3253339 | 177 | static const struct bond_opt_value bond_resend_igmp_tbl[] = { |
105c8fb6 NA |
178 | { "off", 0, 0}, |
179 | { "maxval", 255, BOND_VALFLAG_MAX}, | |
180 | { "default", 1, BOND_VALFLAG_DEFAULT}, | |
181 | { NULL, -1, 0} | |
182 | }; | |
183 | ||
f3253339 | 184 | static const struct bond_opt_value bond_lp_interval_tbl[] = { |
4325b374 NA |
185 | { "minval", 1, BOND_VALFLAG_MIN | BOND_VALFLAG_DEFAULT}, |
186 | { "maxval", INT_MAX, BOND_VALFLAG_MAX}, | |
5bd4e4c1 | 187 | { NULL, -1, 0}, |
4325b374 NA |
188 | }; |
189 | ||
e9f0fb88 MB |
190 | static const struct bond_opt_value bond_tlb_dynamic_lb_tbl[] = { |
191 | { "off", 0, 0}, | |
192 | { "on", 1, BOND_VALFLAG_DEFAULT}, | |
193 | { NULL, -1, 0} | |
194 | }; | |
195 | ||
6791e466 MB |
196 | static const struct bond_opt_value bond_ad_actor_sys_prio_tbl[] = { |
197 | { "minval", 1, BOND_VALFLAG_MIN}, | |
198 | { "maxval", 65535, BOND_VALFLAG_MAX | BOND_VALFLAG_DEFAULT}, | |
199 | { NULL, -1, 0}, | |
200 | }; | |
201 | ||
d22a5fc0 MB |
202 | static const struct bond_opt_value bond_ad_user_port_key_tbl[] = { |
203 | { "minval", 0, BOND_VALFLAG_MIN | BOND_VALFLAG_DEFAULT}, | |
204 | { "maxval", 1023, BOND_VALFLAG_MAX}, | |
205 | { NULL, -1, 0}, | |
206 | }; | |
207 | ||
7bfa0145 | 208 | static const struct bond_option bond_opts[BOND_OPT_LAST] = { |
2b3798d5 NA |
209 | [BOND_OPT_MODE] = { |
210 | .id = BOND_OPT_MODE, | |
211 | .name = "mode", | |
212 | .desc = "bond device mode", | |
213 | .flags = BOND_OPTFLAG_NOSLAVES | BOND_OPTFLAG_IFDOWN, | |
214 | .values = bond_mode_tbl, | |
215 | .set = bond_option_mode_set | |
216 | }, | |
aa59d851 NA |
217 | [BOND_OPT_PACKETS_PER_SLAVE] = { |
218 | .id = BOND_OPT_PACKETS_PER_SLAVE, | |
219 | .name = "packets_per_slave", | |
220 | .desc = "Packets to send per slave in RR mode", | |
221 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_ROUNDROBIN)), | |
222 | .values = bond_pps_tbl, | |
223 | .set = bond_option_pps_set | |
224 | }, | |
a4b32ce7 NA |
225 | [BOND_OPT_XMIT_HASH] = { |
226 | .id = BOND_OPT_XMIT_HASH, | |
227 | .name = "xmit_hash_policy", | |
f05b42ea | 228 | .desc = "balance-xor, 802.3ad, and tlb hashing method", |
a4b32ce7 NA |
229 | .values = bond_xmit_hashtype_tbl, |
230 | .set = bond_option_xmit_hash_policy_set | |
231 | }, | |
16228881 NA |
232 | [BOND_OPT_ARP_VALIDATE] = { |
233 | .id = BOND_OPT_ARP_VALIDATE, | |
234 | .name = "arp_validate", | |
235 | .desc = "validate src/dst of ARP probes", | |
13ac34a8 VF |
236 | .unsuppmodes = BIT(BOND_MODE_8023AD) | BIT(BOND_MODE_TLB) | |
237 | BIT(BOND_MODE_ALB), | |
16228881 NA |
238 | .values = bond_arp_validate_tbl, |
239 | .set = bond_option_arp_validate_set | |
240 | }, | |
edf36b24 NA |
241 | [BOND_OPT_ARP_ALL_TARGETS] = { |
242 | .id = BOND_OPT_ARP_ALL_TARGETS, | |
243 | .name = "arp_all_targets", | |
244 | .desc = "fail on any/all arp targets timeout", | |
245 | .values = bond_arp_all_targets_tbl, | |
246 | .set = bond_option_arp_all_targets_set | |
247 | }, | |
1df6b6aa NA |
248 | [BOND_OPT_FAIL_OVER_MAC] = { |
249 | .id = BOND_OPT_FAIL_OVER_MAC, | |
250 | .name = "fail_over_mac", | |
251 | .desc = "For active-backup, do not set all slaves to the same MAC", | |
252 | .flags = BOND_OPTFLAG_NOSLAVES, | |
253 | .values = bond_fail_over_mac_tbl, | |
254 | .set = bond_option_fail_over_mac_set | |
255 | }, | |
7bdb04ed NA |
256 | [BOND_OPT_ARP_INTERVAL] = { |
257 | .id = BOND_OPT_ARP_INTERVAL, | |
258 | .name = "arp_interval", | |
259 | .desc = "arp interval in milliseconds", | |
260 | .unsuppmodes = BIT(BOND_MODE_8023AD) | BIT(BOND_MODE_TLB) | | |
261 | BIT(BOND_MODE_ALB), | |
262 | .values = bond_intmax_tbl, | |
263 | .set = bond_option_arp_interval_set | |
264 | }, | |
4fb0ef58 NA |
265 | [BOND_OPT_ARP_TARGETS] = { |
266 | .id = BOND_OPT_ARP_TARGETS, | |
267 | .name = "arp_ip_target", | |
268 | .desc = "arp targets in n.n.n.n form", | |
269 | .flags = BOND_OPTFLAG_RAWVAL, | |
270 | .set = bond_option_arp_ip_targets_set | |
271 | }, | |
25a9b54a NA |
272 | [BOND_OPT_DOWNDELAY] = { |
273 | .id = BOND_OPT_DOWNDELAY, | |
274 | .name = "downdelay", | |
275 | .desc = "Delay before considering link down, in milliseconds", | |
276 | .values = bond_intmax_tbl, | |
277 | .set = bond_option_downdelay_set | |
278 | }, | |
e4994612 NA |
279 | [BOND_OPT_UPDELAY] = { |
280 | .id = BOND_OPT_UPDELAY, | |
281 | .name = "updelay", | |
282 | .desc = "Delay before considering link up, in milliseconds", | |
283 | .values = bond_intmax_tbl, | |
284 | .set = bond_option_updelay_set | |
285 | }, | |
d3131de7 NA |
286 | [BOND_OPT_LACP_RATE] = { |
287 | .id = BOND_OPT_LACP_RATE, | |
288 | .name = "lacp_rate", | |
289 | .desc = "LACPDU tx rate to request from 802.3ad partner", | |
290 | .flags = BOND_OPTFLAG_IFDOWN, | |
291 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)), | |
292 | .values = bond_lacp_rate_tbl, | |
293 | .set = bond_option_lacp_rate_set | |
294 | }, | |
633ddc9e NA |
295 | [BOND_OPT_MINLINKS] = { |
296 | .id = BOND_OPT_MINLINKS, | |
297 | .name = "min_links", | |
298 | .desc = "Minimum number of available links before turning on carrier", | |
299 | .values = bond_intmax_tbl, | |
300 | .set = bond_option_min_links_set | |
301 | }, | |
9e5f5eeb NA |
302 | [BOND_OPT_AD_SELECT] = { |
303 | .id = BOND_OPT_AD_SELECT, | |
304 | .name = "ad_select", | |
305 | .desc = "803.ad aggregation selection logic", | |
306 | .flags = BOND_OPTFLAG_IFDOWN, | |
307 | .values = bond_ad_select_tbl, | |
308 | .set = bond_option_ad_select_set | |
309 | }, | |
ef56becb NA |
310 | [BOND_OPT_NUM_PEER_NOTIF] = { |
311 | .id = BOND_OPT_NUM_PEER_NOTIF, | |
312 | .name = "num_unsol_na", | |
313 | .desc = "Number of peer notifications to send on failover event", | |
314 | .values = bond_num_peer_notif_tbl, | |
315 | .set = bond_option_num_peer_notif_set | |
316 | }, | |
b98d9c66 NA |
317 | [BOND_OPT_MIIMON] = { |
318 | .id = BOND_OPT_MIIMON, | |
319 | .name = "miimon", | |
320 | .desc = "Link check interval in milliseconds", | |
321 | .values = bond_intmax_tbl, | |
322 | .set = bond_option_miimon_set | |
323 | }, | |
180222f0 NA |
324 | [BOND_OPT_PRIMARY] = { |
325 | .id = BOND_OPT_PRIMARY, | |
326 | .name = "primary", | |
327 | .desc = "Primary network device to use", | |
328 | .flags = BOND_OPTFLAG_RAWVAL, | |
329 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_ACTIVEBACKUP) | | |
330 | BIT(BOND_MODE_TLB) | | |
331 | BIT(BOND_MODE_ALB)), | |
332 | .set = bond_option_primary_set | |
333 | }, | |
388d3a6d NA |
334 | [BOND_OPT_PRIMARY_RESELECT] = { |
335 | .id = BOND_OPT_PRIMARY_RESELECT, | |
336 | .name = "primary_reselect", | |
337 | .desc = "Reselect primary slave once it comes up", | |
338 | .values = bond_primary_reselect_tbl, | |
339 | .set = bond_option_primary_reselect_set | |
340 | }, | |
0fff0608 NA |
341 | [BOND_OPT_USE_CARRIER] = { |
342 | .id = BOND_OPT_USE_CARRIER, | |
343 | .name = "use_carrier", | |
344 | .desc = "Use netif_carrier_ok (vs MII ioctls) in miimon", | |
345 | .values = bond_use_carrier_tbl, | |
346 | .set = bond_option_use_carrier_set | |
347 | }, | |
d1fbd3ed NA |
348 | [BOND_OPT_ACTIVE_SLAVE] = { |
349 | .id = BOND_OPT_ACTIVE_SLAVE, | |
350 | .name = "active_slave", | |
351 | .desc = "Currently active slave", | |
352 | .flags = BOND_OPTFLAG_RAWVAL, | |
353 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_ACTIVEBACKUP) | | |
354 | BIT(BOND_MODE_TLB) | | |
355 | BIT(BOND_MODE_ALB)), | |
356 | .set = bond_option_active_slave_set | |
357 | }, | |
24089ba1 NA |
358 | [BOND_OPT_QUEUE_ID] = { |
359 | .id = BOND_OPT_QUEUE_ID, | |
360 | .name = "queue_id", | |
361 | .desc = "Set queue id of a slave", | |
362 | .flags = BOND_OPTFLAG_RAWVAL, | |
363 | .set = bond_option_queue_id_set | |
364 | }, | |
3df01162 NA |
365 | [BOND_OPT_ALL_SLAVES_ACTIVE] = { |
366 | .id = BOND_OPT_ALL_SLAVES_ACTIVE, | |
367 | .name = "all_slaves_active", | |
368 | .desc = "Keep all frames received on an interface by setting active flag for all slaves", | |
369 | .values = bond_all_slaves_active_tbl, | |
370 | .set = bond_option_all_slaves_active_set | |
371 | }, | |
105c8fb6 NA |
372 | [BOND_OPT_RESEND_IGMP] = { |
373 | .id = BOND_OPT_RESEND_IGMP, | |
374 | .name = "resend_igmp", | |
375 | .desc = "Number of IGMP membership reports to send on link failure", | |
376 | .values = bond_resend_igmp_tbl, | |
377 | .set = bond_option_resend_igmp_set | |
378 | }, | |
4325b374 NA |
379 | [BOND_OPT_LP_INTERVAL] = { |
380 | .id = BOND_OPT_LP_INTERVAL, | |
381 | .name = "lp_interval", | |
382 | .desc = "The number of seconds between instances where the bonding driver sends learning packets to each slave's peer switch", | |
383 | .values = bond_lp_interval_tbl, | |
384 | .set = bond_option_lp_interval_set | |
385 | }, | |
0e2e5b66 NA |
386 | [BOND_OPT_SLAVES] = { |
387 | .id = BOND_OPT_SLAVES, | |
388 | .name = "slaves", | |
389 | .desc = "Slave membership management", | |
390 | .flags = BOND_OPTFLAG_RAWVAL, | |
391 | .set = bond_option_slaves_set | |
392 | }, | |
e9f0fb88 MB |
393 | [BOND_OPT_TLB_DYNAMIC_LB] = { |
394 | .id = BOND_OPT_TLB_DYNAMIC_LB, | |
dc3e5d18 | 395 | .name = "tlb_dynamic_lb", |
e9f0fb88 | 396 | .desc = "Enable dynamic flow shuffling", |
e79c1055 | 397 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_TLB) | BIT(BOND_MODE_ALB)), |
e9f0fb88 MB |
398 | .values = bond_tlb_dynamic_lb_tbl, |
399 | .flags = BOND_OPTFLAG_IFDOWN, | |
400 | .set = bond_option_tlb_dynamic_lb_set, | |
6791e466 MB |
401 | }, |
402 | [BOND_OPT_AD_ACTOR_SYS_PRIO] = { | |
403 | .id = BOND_OPT_AD_ACTOR_SYS_PRIO, | |
404 | .name = "ad_actor_sys_prio", | |
405 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)), | |
6791e466 MB |
406 | .values = bond_ad_actor_sys_prio_tbl, |
407 | .set = bond_option_ad_actor_sys_prio_set, | |
408 | }, | |
74514957 MB |
409 | [BOND_OPT_AD_ACTOR_SYSTEM] = { |
410 | .id = BOND_OPT_AD_ACTOR_SYSTEM, | |
411 | .name = "ad_actor_system", | |
412 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)), | |
7f20cd25 | 413 | .flags = BOND_OPTFLAG_RAWVAL, |
74514957 MB |
414 | .set = bond_option_ad_actor_system_set, |
415 | }, | |
d22a5fc0 MB |
416 | [BOND_OPT_AD_USER_PORT_KEY] = { |
417 | .id = BOND_OPT_AD_USER_PORT_KEY, | |
418 | .name = "ad_user_port_key", | |
419 | .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)), | |
420 | .flags = BOND_OPTFLAG_IFDOWN, | |
421 | .values = bond_ad_user_port_key_tbl, | |
422 | .set = bond_option_ad_user_port_key_set, | |
205845a3 NA |
423 | }, |
424 | [BOND_OPT_NUM_PEER_NOTIF_ALIAS] = { | |
425 | .id = BOND_OPT_NUM_PEER_NOTIF_ALIAS, | |
426 | .name = "num_grat_arp", | |
427 | .desc = "Number of peer notifications to send on failover event", | |
428 | .values = bond_num_peer_notif_tbl, | |
429 | .set = bond_option_num_peer_notif_set | |
07a4ddec VB |
430 | }, |
431 | [BOND_OPT_PEER_NOTIF_DELAY] = { | |
432 | .id = BOND_OPT_PEER_NOTIF_DELAY, | |
433 | .name = "peer_notif_delay", | |
434 | .desc = "Delay between each peer notification on failover event, in milliseconds", | |
435 | .values = bond_intmax_tbl, | |
436 | .set = bond_option_peer_notif_delay_set | |
d22a5fc0 | 437 | } |
09117362 NA |
438 | }; |
439 | ||
dc3e5d18 NA |
440 | /* Searches for an option by name */ |
441 | const struct bond_option *bond_opt_get_by_name(const char *name) | |
442 | { | |
443 | const struct bond_option *opt; | |
444 | int option; | |
445 | ||
446 | for (option = 0; option < BOND_OPT_LAST; option++) { | |
447 | opt = bond_opt_get(option); | |
448 | if (opt && !strcmp(opt->name, name)) | |
449 | return opt; | |
450 | } | |
451 | ||
452 | return NULL; | |
453 | } | |
454 | ||
09117362 | 455 | /* Searches for a value in opt's values[] table */ |
f3253339 | 456 | const struct bond_opt_value *bond_opt_get_val(unsigned int option, u64 val) |
09117362 | 457 | { |
f3253339 | 458 | const struct bond_option *opt; |
09117362 NA |
459 | int i; |
460 | ||
461 | opt = bond_opt_get(option); | |
462 | if (WARN_ON(!opt)) | |
463 | return NULL; | |
464 | for (i = 0; opt->values && opt->values[i].string; i++) | |
465 | if (opt->values[i].value == val) | |
466 | return &opt->values[i]; | |
467 | ||
468 | return NULL; | |
469 | } | |
470 | ||
471 | /* Searches for a value in opt's values[] table which matches the flagmask */ | |
f3253339 | 472 | static const struct bond_opt_value *bond_opt_get_flags(const struct bond_option *opt, |
eac306b4 | 473 | u32 flagmask) |
09117362 NA |
474 | { |
475 | int i; | |
476 | ||
477 | for (i = 0; opt->values && opt->values[i].string; i++) | |
478 | if (opt->values[i].flags & flagmask) | |
479 | return &opt->values[i]; | |
480 | ||
481 | return NULL; | |
482 | } | |
483 | ||
484 | /* If maxval is missing then there's no range to check. In case minval is | |
485 | * missing then it's considered to be 0. | |
486 | */ | |
487 | static bool bond_opt_check_range(const struct bond_option *opt, u64 val) | |
488 | { | |
f3253339 | 489 | const struct bond_opt_value *minval, *maxval; |
09117362 NA |
490 | |
491 | minval = bond_opt_get_flags(opt, BOND_VALFLAG_MIN); | |
492 | maxval = bond_opt_get_flags(opt, BOND_VALFLAG_MAX); | |
493 | if (!maxval || (minval && val < minval->value) || val > maxval->value) | |
494 | return false; | |
495 | ||
496 | return true; | |
497 | } | |
498 | ||
499 | /** | |
500 | * bond_opt_parse - parse option value | |
501 | * @opt: the option to parse against | |
502 | * @val: value to parse | |
503 | * | |
504 | * This function tries to extract the value from @val and check if it's | |
505 | * a possible match for the option and returns NULL if a match isn't found, | |
506 | * or the struct_opt_value that matched. It also strips the new line from | |
507 | * @val->string if it's present. | |
508 | */ | |
f3253339 | 509 | const struct bond_opt_value *bond_opt_parse(const struct bond_option *opt, |
510 | struct bond_opt_value *val) | |
09117362 NA |
511 | { |
512 | char *p, valstr[BOND_OPT_MAX_NAMELEN + 1] = { 0, }; | |
f3253339 | 513 | const struct bond_opt_value *tbl; |
514 | const struct bond_opt_value *ret = NULL; | |
09117362 NA |
515 | bool checkval; |
516 | int i, rv; | |
517 | ||
518 | /* No parsing if the option wants a raw val */ | |
519 | if (opt->flags & BOND_OPTFLAG_RAWVAL) | |
520 | return val; | |
521 | ||
522 | tbl = opt->values; | |
523 | if (!tbl) | |
524 | goto out; | |
525 | ||
526 | /* ULLONG_MAX is used to bypass string processing */ | |
527 | checkval = val->value != ULLONG_MAX; | |
528 | if (!checkval) { | |
529 | if (!val->string) | |
530 | goto out; | |
531 | p = strchr(val->string, '\n'); | |
532 | if (p) | |
533 | *p = '\0'; | |
534 | for (p = val->string; *p; p++) | |
535 | if (!(isdigit(*p) || isspace(*p))) | |
536 | break; | |
537 | /* The following code extracts the string to match or the value | |
538 | * and sets checkval appropriately | |
539 | */ | |
540 | if (*p) { | |
541 | rv = sscanf(val->string, "%32s", valstr); | |
542 | } else { | |
543 | rv = sscanf(val->string, "%llu", &val->value); | |
544 | checkval = true; | |
545 | } | |
546 | if (!rv) | |
547 | goto out; | |
548 | } | |
549 | ||
550 | for (i = 0; tbl[i].string; i++) { | |
551 | /* Check for exact match */ | |
552 | if (checkval) { | |
553 | if (val->value == tbl[i].value) | |
554 | ret = &tbl[i]; | |
555 | } else { | |
556 | if (!strcmp(valstr, "default") && | |
557 | (tbl[i].flags & BOND_VALFLAG_DEFAULT)) | |
558 | ret = &tbl[i]; | |
559 | ||
560 | if (!strcmp(valstr, tbl[i].string)) | |
561 | ret = &tbl[i]; | |
562 | } | |
563 | /* Found an exact match */ | |
564 | if (ret) | |
565 | goto out; | |
566 | } | |
567 | /* Possible range match */ | |
568 | if (checkval && bond_opt_check_range(opt, val->value)) | |
569 | ret = val; | |
570 | out: | |
571 | return ret; | |
572 | } | |
573 | ||
574 | /* Check opt's dependencies against bond mode and currently set options */ | |
575 | static int bond_opt_check_deps(struct bonding *bond, | |
576 | const struct bond_option *opt) | |
577 | { | |
578 | struct bond_params *params = &bond->params; | |
579 | ||
580 | if (test_bit(params->mode, &opt->unsuppmodes)) | |
581 | return -EACCES; | |
582 | if ((opt->flags & BOND_OPTFLAG_NOSLAVES) && bond_has_slaves(bond)) | |
583 | return -ENOTEMPTY; | |
584 | if ((opt->flags & BOND_OPTFLAG_IFDOWN) && (bond->dev->flags & IFF_UP)) | |
585 | return -EBUSY; | |
586 | ||
587 | return 0; | |
588 | } | |
589 | ||
590 | static void bond_opt_dep_print(struct bonding *bond, | |
591 | const struct bond_option *opt) | |
592 | { | |
28f084cc | 593 | const struct bond_opt_value *modeval; |
09117362 NA |
594 | struct bond_params *params; |
595 | ||
596 | params = &bond->params; | |
2b3798d5 | 597 | modeval = bond_opt_get_val(BOND_OPT_MODE, params->mode); |
09117362 | 598 | if (test_bit(params->mode, &opt->unsuppmodes)) |
2de390ba VF |
599 | netdev_err(bond->dev, "option %s: mode dependency failed, not supported in mode %s(%llu)\n", |
600 | opt->name, modeval->string, modeval->value); | |
09117362 NA |
601 | } |
602 | ||
603 | static void bond_opt_error_interpret(struct bonding *bond, | |
604 | const struct bond_option *opt, | |
28f084cc | 605 | int error, const struct bond_opt_value *val) |
09117362 | 606 | { |
28f084cc | 607 | const struct bond_opt_value *minval, *maxval; |
09117362 NA |
608 | char *p; |
609 | ||
610 | switch (error) { | |
611 | case -EINVAL: | |
612 | if (val) { | |
613 | if (val->string) { | |
614 | /* sometimes RAWVAL opts may have new lines */ | |
615 | p = strchr(val->string, '\n'); | |
616 | if (p) | |
617 | *p = '\0'; | |
2de390ba VF |
618 | netdev_err(bond->dev, "option %s: invalid value (%s)\n", |
619 | opt->name, val->string); | |
09117362 | 620 | } else { |
2de390ba VF |
621 | netdev_err(bond->dev, "option %s: invalid value (%llu)\n", |
622 | opt->name, val->value); | |
09117362 NA |
623 | } |
624 | } | |
625 | minval = bond_opt_get_flags(opt, BOND_VALFLAG_MIN); | |
626 | maxval = bond_opt_get_flags(opt, BOND_VALFLAG_MAX); | |
627 | if (!maxval) | |
628 | break; | |
2de390ba VF |
629 | netdev_err(bond->dev, "option %s: allowed values %llu - %llu\n", |
630 | opt->name, minval ? minval->value : 0, maxval->value); | |
09117362 NA |
631 | break; |
632 | case -EACCES: | |
633 | bond_opt_dep_print(bond, opt); | |
634 | break; | |
635 | case -ENOTEMPTY: | |
2de390ba VF |
636 | netdev_err(bond->dev, "option %s: unable to set because the bond device has slaves\n", |
637 | opt->name); | |
09117362 NA |
638 | break; |
639 | case -EBUSY: | |
2de390ba VF |
640 | netdev_err(bond->dev, "option %s: unable to set because the bond device is up\n", |
641 | opt->name); | |
09117362 NA |
642 | break; |
643 | default: | |
644 | break; | |
645 | } | |
646 | } | |
647 | ||
648 | /** | |
649 | * __bond_opt_set - set a bonding option | |
650 | * @bond: target bond device | |
651 | * @option: option to set | |
652 | * @val: value to set it to | |
653 | * | |
654 | * This function is used to change the bond's option value, it can be | |
655 | * used for both enabling/changing an option and for disabling it. RTNL lock | |
656 | * must be obtained before calling this function. | |
657 | */ | |
658 | int __bond_opt_set(struct bonding *bond, | |
659 | unsigned int option, struct bond_opt_value *val) | |
660 | { | |
28f084cc | 661 | const struct bond_opt_value *retval = NULL; |
09117362 NA |
662 | const struct bond_option *opt; |
663 | int ret = -ENOENT; | |
664 | ||
665 | ASSERT_RTNL(); | |
666 | ||
667 | opt = bond_opt_get(option); | |
668 | if (WARN_ON(!val) || WARN_ON(!opt)) | |
669 | goto out; | |
670 | ret = bond_opt_check_deps(bond, opt); | |
671 | if (ret) | |
672 | goto out; | |
673 | retval = bond_opt_parse(opt, val); | |
674 | if (!retval) { | |
675 | ret = -EINVAL; | |
676 | goto out; | |
677 | } | |
678 | ret = opt->set(bond, retval); | |
679 | out: | |
680 | if (ret) | |
681 | bond_opt_error_interpret(bond, opt, ret, val); | |
7a7e96e0 VY |
682 | |
683 | return ret; | |
684 | } | |
685 | /** | |
686 | * __bond_opt_set_notify - set a bonding option | |
687 | * @bond: target bond device | |
688 | * @option: option to set | |
689 | * @val: value to set it to | |
690 | * | |
691 | * This function is used to change the bond's option value and trigger | |
692 | * a notification to user sapce. It can be used for both enabling/changing | |
693 | * an option and for disabling it. RTNL lock must be obtained before calling | |
694 | * this function. | |
695 | */ | |
696 | int __bond_opt_set_notify(struct bonding *bond, | |
697 | unsigned int option, struct bond_opt_value *val) | |
698 | { | |
699 | int ret = -ENOENT; | |
700 | ||
701 | ASSERT_RTNL(); | |
702 | ||
703 | ret = __bond_opt_set(bond, option, val); | |
704 | ||
705 | if (!ret && (bond->dev->reg_state == NETREG_REGISTERED)) | |
d4261e56 | 706 | call_netdevice_notifiers(NETDEV_CHANGEINFODATA, bond->dev); |
09117362 NA |
707 | |
708 | return ret; | |
709 | } | |
710 | ||
711 | /** | |
712 | * bond_opt_tryset_rtnl - try to acquire rtnl and call __bond_opt_set | |
713 | * @bond: target bond device | |
714 | * @option: option to set | |
715 | * @buf: value to set it to | |
716 | * | |
717 | * This function tries to acquire RTNL without blocking and if successful | |
718 | * calls __bond_opt_set. It is mainly used for sysfs option manipulation. | |
719 | */ | |
720 | int bond_opt_tryset_rtnl(struct bonding *bond, unsigned int option, char *buf) | |
721 | { | |
722 | struct bond_opt_value optval; | |
723 | int ret; | |
724 | ||
725 | if (!rtnl_trylock()) | |
726 | return restart_syscall(); | |
727 | bond_opt_initstr(&optval, buf); | |
7a7e96e0 | 728 | ret = __bond_opt_set_notify(bond, option, &optval); |
09117362 NA |
729 | rtnl_unlock(); |
730 | ||
731 | return ret; | |
732 | } | |
733 | ||
734 | /** | |
735 | * bond_opt_get - get a pointer to an option | |
736 | * @option: option for which to return a pointer | |
737 | * | |
738 | * This function checks if option is valid and if so returns a pointer | |
739 | * to its entry in the bond_opts[] option array. | |
740 | */ | |
f3253339 | 741 | const struct bond_option *bond_opt_get(unsigned int option) |
09117362 NA |
742 | { |
743 | if (!BOND_OPT_VALID(option)) | |
744 | return NULL; | |
745 | ||
746 | return &bond_opts[option]; | |
747 | } | |
748 | ||
f45583de | 749 | static bool bond_set_xfrm_features(struct bonding *bond) |
007ab534 JW |
750 | { |
751 | if (!IS_ENABLED(CONFIG_XFRM_OFFLOAD)) | |
f45583de | 752 | return false; |
007ab534 | 753 | |
f45583de TT |
754 | if (BOND_MODE(bond) == BOND_MODE_ACTIVEBACKUP) |
755 | bond->dev->wanted_features |= BOND_XFRM_FEATURES; | |
007ab534 | 756 | else |
f45583de | 757 | bond->dev->wanted_features &= ~BOND_XFRM_FEATURES; |
007ab534 | 758 | |
f45583de | 759 | return true; |
007ab534 JW |
760 | } |
761 | ||
89df6a81 TT |
762 | static bool bond_set_tls_features(struct bonding *bond) |
763 | { | |
764 | if (!IS_ENABLED(CONFIG_TLS_DEVICE)) | |
765 | return false; | |
766 | ||
767 | if (bond_sk_check(bond)) | |
768 | bond->dev->wanted_features |= BOND_TLS_FEATURES; | |
769 | else | |
770 | bond->dev->wanted_features &= ~BOND_TLS_FEATURES; | |
771 | ||
772 | return true; | |
773 | } | |
774 | ||
ff11d8b2 NA |
775 | static int bond_option_mode_set(struct bonding *bond, |
776 | const struct bond_opt_value *newval) | |
72be35fe | 777 | { |
c1f897ce JW |
778 | if (!bond_mode_uses_arp(newval->value)) { |
779 | if (bond->params.arp_interval) { | |
780 | netdev_dbg(bond->dev, "%s mode is incompatible with arp monitoring, start mii monitoring\n", | |
781 | newval->string); | |
782 | /* disable arp monitoring */ | |
783 | bond->params.arp_interval = 0; | |
784 | } | |
785 | ||
786 | if (!bond->params.miimon) { | |
787 | /* set miimon to default value */ | |
788 | bond->params.miimon = BOND_DEFAULT_MIIMON; | |
789 | netdev_dbg(bond->dev, "Setting MII monitoring interval to %d\n", | |
790 | bond->params.miimon); | |
791 | } | |
72be35fe JP |
792 | } |
793 | ||
c6644d07 KT |
794 | if (newval->value == BOND_MODE_ALB) |
795 | bond->params.tlb_dynamic_lb = 1; | |
796 | ||
72be35fe JP |
797 | /* don't cache arp_validate between modes */ |
798 | bond->params.arp_validate = BOND_ARP_VALIDATE_NONE; | |
2b3798d5 NA |
799 | bond->params.mode = newval->value; |
800 | ||
89df6a81 TT |
801 | if (bond->dev->reg_state == NETREG_REGISTERED) { |
802 | bool update = false; | |
803 | ||
804 | update |= bond_set_xfrm_features(bond); | |
805 | update |= bond_set_tls_features(bond); | |
806 | ||
807 | if (update) | |
f45583de | 808 | netdev_update_features(bond->dev); |
89df6a81 | 809 | } |
f45583de | 810 | |
72be35fe JP |
811 | return 0; |
812 | } | |
d9e32b21 | 813 | |
f3253339 | 814 | static int bond_option_active_slave_set(struct bonding *bond, |
28f084cc | 815 | const struct bond_opt_value *newval) |
d9e32b21 | 816 | { |
d1fbd3ed NA |
817 | char ifname[IFNAMSIZ] = { 0, }; |
818 | struct net_device *slave_dev; | |
d9e32b21 JP |
819 | int ret = 0; |
820 | ||
d1fbd3ed NA |
821 | sscanf(newval->string, "%15s", ifname); /* IFNAMSIZ */ |
822 | if (!strlen(ifname) || newval->string[0] == '\n') { | |
823 | slave_dev = NULL; | |
824 | } else { | |
825 | slave_dev = __dev_get_by_name(dev_net(bond->dev), ifname); | |
826 | if (!slave_dev) | |
827 | return -ENODEV; | |
828 | } | |
829 | ||
d9e32b21 JP |
830 | if (slave_dev) { |
831 | if (!netif_is_bond_slave(slave_dev)) { | |
f887e54c | 832 | slave_err(bond->dev, slave_dev, "Device is not bonding slave\n"); |
d9e32b21 JP |
833 | return -EINVAL; |
834 | } | |
835 | ||
836 | if (bond->dev != netdev_master_upper_dev_get(slave_dev)) { | |
f887e54c | 837 | slave_err(bond->dev, slave_dev, "Device is not our slave\n"); |
d9e32b21 JP |
838 | return -EINVAL; |
839 | } | |
840 | } | |
841 | ||
d9e32b21 | 842 | block_netpoll_tx(); |
d9e32b21 JP |
843 | /* check to see if we are clearing active */ |
844 | if (!slave_dev) { | |
eac306b4 | 845 | netdev_dbg(bond->dev, "Clearing current active slave\n"); |
8800a244 | 846 | RCU_INIT_POINTER(bond->curr_active_slave, NULL); |
d9e32b21 JP |
847 | bond_select_active_slave(bond); |
848 | } else { | |
1c72cfdc | 849 | struct slave *old_active = rtnl_dereference(bond->curr_active_slave); |
d9e32b21 JP |
850 | struct slave *new_active = bond_slave_get_rtnl(slave_dev); |
851 | ||
852 | BUG_ON(!new_active); | |
853 | ||
854 | if (new_active == old_active) { | |
855 | /* do nothing */ | |
f887e54c | 856 | slave_dbg(bond->dev, new_active->dev, "is already the current active slave\n"); |
d9e32b21 JP |
857 | } else { |
858 | if (old_active && (new_active->link == BOND_LINK_UP) && | |
b6adc610 | 859 | bond_slave_is_up(new_active)) { |
f887e54c | 860 | slave_dbg(bond->dev, new_active->dev, "Setting as active slave\n"); |
d9e32b21 JP |
861 | bond_change_active_slave(bond, new_active); |
862 | } else { | |
f887e54c JW |
863 | slave_err(bond->dev, new_active->dev, "Could not set as active slave; either %s is down or the link is down\n", |
864 | new_active->dev->name); | |
d9e32b21 JP |
865 | ret = -EINVAL; |
866 | } | |
867 | } | |
868 | } | |
d9e32b21 | 869 | unblock_netpoll_tx(); |
d1fbd3ed | 870 | |
d9e32b21 JP |
871 | return ret; |
872 | } | |
eecdaa6e | 873 | |
dc3e5d18 NA |
874 | /* There are two tricky bits here. First, if MII monitoring is activated, then |
875 | * we must disable ARP monitoring. Second, if the timer isn't running, we must | |
876 | * start it. | |
877 | */ | |
f3253339 | 878 | static int bond_option_miimon_set(struct bonding *bond, |
28f084cc | 879 | const struct bond_opt_value *newval) |
eecdaa6e | 880 | { |
eac306b4 MD |
881 | netdev_dbg(bond->dev, "Setting MII monitoring interval to %llu\n", |
882 | newval->value); | |
b98d9c66 | 883 | bond->params.miimon = newval->value; |
eecdaa6e | 884 | if (bond->params.updelay) |
eac306b4 MD |
885 | netdev_dbg(bond->dev, "Note: Updating updelay (to %d) since it is a multiple of the miimon value\n", |
886 | bond->params.updelay * bond->params.miimon); | |
eecdaa6e | 887 | if (bond->params.downdelay) |
eac306b4 MD |
888 | netdev_dbg(bond->dev, "Note: Updating downdelay (to %d) since it is a multiple of the miimon value\n", |
889 | bond->params.downdelay * bond->params.miimon); | |
07a4ddec VB |
890 | if (bond->params.peer_notif_delay) |
891 | netdev_dbg(bond->dev, "Note: Updating peer_notif_delay (to %d) since it is a multiple of the miimon value\n", | |
892 | bond->params.peer_notif_delay * bond->params.miimon); | |
b98d9c66 | 893 | if (newval->value && bond->params.arp_interval) { |
eac306b4 | 894 | netdev_dbg(bond->dev, "MII monitoring cannot be used with ARP monitoring - disabling ARP monitoring...\n"); |
eecdaa6e | 895 | bond->params.arp_interval = 0; |
896 | if (bond->params.arp_validate) | |
897 | bond->params.arp_validate = BOND_ARP_VALIDATE_NONE; | |
898 | } | |
899 | if (bond->dev->flags & IFF_UP) { | |
900 | /* If the interface is up, we may need to fire off | |
901 | * the MII timer. If the interface is down, the | |
902 | * timer will get fired off when the open function | |
903 | * is called. | |
904 | */ | |
b98d9c66 | 905 | if (!newval->value) { |
eecdaa6e | 906 | cancel_delayed_work_sync(&bond->mii_work); |
907 | } else { | |
908 | cancel_delayed_work_sync(&bond->arp_work); | |
909 | queue_delayed_work(bond->wq, &bond->mii_work, 0); | |
910 | } | |
911 | } | |
b98d9c66 | 912 | |
eecdaa6e | 913 | return 0; |
914 | } | |
25852e29 | 915 | |
07a4ddec VB |
916 | /* Set up, down and peer notification delays. These must be multiples |
917 | * of the MII monitoring value, and are stored internally as the | |
918 | * multiplier. Thus, we must translate to MS for the real world. | |
dc3e5d18 | 919 | */ |
07a4ddec VB |
920 | static int _bond_option_delay_set(struct bonding *bond, |
921 | const struct bond_opt_value *newval, | |
922 | const char *name, | |
923 | int *target) | |
25852e29 | 924 | { |
0681a282 NA |
925 | int value = newval->value; |
926 | ||
e4994612 | 927 | if (!bond->params.miimon) { |
07a4ddec VB |
928 | netdev_err(bond->dev, "Unable to set %s as MII monitoring is disabled\n", |
929 | name); | |
25852e29 | 930 | return -EPERM; |
931 | } | |
0681a282 | 932 | if ((value % bond->params.miimon) != 0) { |
07a4ddec VB |
933 | netdev_warn(bond->dev, |
934 | "%s (%d) is not a multiple of miimon (%d), value rounded to %d ms\n", | |
935 | name, | |
2de390ba VF |
936 | value, bond->params.miimon, |
937 | (value / bond->params.miimon) * | |
938 | bond->params.miimon); | |
25852e29 | 939 | } |
07a4ddec VB |
940 | *target = value / bond->params.miimon; |
941 | netdev_dbg(bond->dev, "Setting %s to %d\n", | |
942 | name, | |
943 | *target * bond->params.miimon); | |
25852e29 | 944 | |
945 | return 0; | |
946 | } | |
c7461f9b | 947 | |
07a4ddec VB |
948 | static int bond_option_updelay_set(struct bonding *bond, |
949 | const struct bond_opt_value *newval) | |
950 | { | |
951 | return _bond_option_delay_set(bond, newval, "up delay", | |
952 | &bond->params.updelay); | |
953 | } | |
954 | ||
f3253339 | 955 | static int bond_option_downdelay_set(struct bonding *bond, |
28f084cc | 956 | const struct bond_opt_value *newval) |
c7461f9b | 957 | { |
07a4ddec VB |
958 | return _bond_option_delay_set(bond, newval, "down delay", |
959 | &bond->params.downdelay); | |
960 | } | |
c7461f9b | 961 | |
07a4ddec VB |
962 | static int bond_option_peer_notif_delay_set(struct bonding *bond, |
963 | const struct bond_opt_value *newval) | |
964 | { | |
965 | int ret = _bond_option_delay_set(bond, newval, | |
966 | "peer notification delay", | |
967 | &bond->params.peer_notif_delay); | |
968 | return ret; | |
c7461f9b | 969 | } |
9f53e14e | 970 | |
f3253339 | 971 | static int bond_option_use_carrier_set(struct bonding *bond, |
28f084cc | 972 | const struct bond_opt_value *newval) |
9f53e14e | 973 | { |
eac306b4 MD |
974 | netdev_dbg(bond->dev, "Setting use_carrier to %llu\n", |
975 | newval->value); | |
0fff0608 | 976 | bond->params.use_carrier = newval->value; |
9f53e14e | 977 | |
978 | return 0; | |
979 | } | |
06151dbc | 980 | |
dc3e5d18 NA |
981 | /* There are two tricky bits here. First, if ARP monitoring is activated, then |
982 | * we must disable MII monitoring. Second, if the ARP timer isn't running, | |
983 | * we must start it. | |
984 | */ | |
f3253339 | 985 | static int bond_option_arp_interval_set(struct bonding *bond, |
28f084cc | 986 | const struct bond_opt_value *newval) |
06151dbc | 987 | { |
eac306b4 MD |
988 | netdev_dbg(bond->dev, "Setting ARP monitoring interval to %llu\n", |
989 | newval->value); | |
7bdb04ed NA |
990 | bond->params.arp_interval = newval->value; |
991 | if (newval->value) { | |
06151dbc | 992 | if (bond->params.miimon) { |
eac306b4 | 993 | netdev_dbg(bond->dev, "ARP monitoring cannot be used with MII monitoring. Disabling MII monitoring\n"); |
06151dbc | 994 | bond->params.miimon = 0; |
995 | } | |
996 | if (!bond->params.arp_targets[0]) | |
eac306b4 | 997 | netdev_dbg(bond->dev, "ARP monitoring has been set up, but no ARP targets have been specified\n"); |
06151dbc | 998 | } |
999 | if (bond->dev->flags & IFF_UP) { | |
1000 | /* If the interface is up, we may need to fire off | |
1001 | * the ARP timer. If the interface is down, the | |
1002 | * timer will get fired off when the open function | |
1003 | * is called. | |
1004 | */ | |
7bdb04ed | 1005 | if (!newval->value) { |
06151dbc | 1006 | if (bond->params.arp_validate) |
1007 | bond->recv_probe = NULL; | |
1008 | cancel_delayed_work_sync(&bond->arp_work); | |
1009 | } else { | |
1010 | /* arp_validate can be set only in active-backup mode */ | |
3fe68df9 | 1011 | bond->recv_probe = bond_arp_rcv; |
06151dbc | 1012 | cancel_delayed_work_sync(&bond->mii_work); |
1013 | queue_delayed_work(bond->wq, &bond->arp_work, 0); | |
1014 | } | |
1015 | } | |
1016 | ||
1017 | return 0; | |
1018 | } | |
7f28fa10 | 1019 | |
1020 | static void _bond_options_arp_ip_target_set(struct bonding *bond, int slot, | |
1021 | __be32 target, | |
1022 | unsigned long last_rx) | |
1023 | { | |
1024 | __be32 *targets = bond->params.arp_targets; | |
1025 | struct list_head *iter; | |
1026 | struct slave *slave; | |
1027 | ||
1028 | if (slot >= 0 && slot < BOND_MAX_ARP_TARGETS) { | |
1029 | bond_for_each_slave(bond, slave, iter) | |
1030 | slave->target_last_arp_rx[slot] = last_rx; | |
1031 | targets[slot] = target; | |
1032 | } | |
1033 | } | |
1034 | ||
1035 | static int _bond_option_arp_ip_target_add(struct bonding *bond, __be32 target) | |
1036 | { | |
1037 | __be32 *targets = bond->params.arp_targets; | |
1038 | int ind; | |
1039 | ||
2807a9fe | 1040 | if (!bond_is_ip_target_ok(target)) { |
2de390ba VF |
1041 | netdev_err(bond->dev, "invalid ARP target %pI4 specified for addition\n", |
1042 | &target); | |
7f28fa10 | 1043 | return -EINVAL; |
1044 | } | |
1045 | ||
1046 | if (bond_get_targets_ip(targets, target) != -1) { /* dup */ | |
2de390ba VF |
1047 | netdev_err(bond->dev, "ARP target %pI4 is already present\n", |
1048 | &target); | |
7f28fa10 | 1049 | return -EINVAL; |
1050 | } | |
1051 | ||
1052 | ind = bond_get_targets_ip(targets, 0); /* first free slot */ | |
1053 | if (ind == -1) { | |
2de390ba | 1054 | netdev_err(bond->dev, "ARP target table is full!\n"); |
7f28fa10 | 1055 | return -EINVAL; |
1056 | } | |
1057 | ||
eac306b4 | 1058 | netdev_dbg(bond->dev, "Adding ARP target %pI4\n", &target); |
7f28fa10 | 1059 | |
1060 | _bond_options_arp_ip_target_set(bond, ind, target, jiffies); | |
1061 | ||
1062 | return 0; | |
1063 | } | |
1064 | ||
f3253339 | 1065 | static int bond_option_arp_ip_target_add(struct bonding *bond, __be32 target) |
7f28fa10 | 1066 | { |
246df7b4 | 1067 | return _bond_option_arp_ip_target_add(bond, target); |
7f28fa10 | 1068 | } |
1069 | ||
f3253339 | 1070 | static int bond_option_arp_ip_target_rem(struct bonding *bond, __be32 target) |
7f28fa10 | 1071 | { |
1072 | __be32 *targets = bond->params.arp_targets; | |
1073 | struct list_head *iter; | |
1074 | struct slave *slave; | |
1075 | unsigned long *targets_rx; | |
1076 | int ind, i; | |
1077 | ||
2807a9fe | 1078 | if (!bond_is_ip_target_ok(target)) { |
2de390ba VF |
1079 | netdev_err(bond->dev, "invalid ARP target %pI4 specified for removal\n", |
1080 | &target); | |
7f28fa10 | 1081 | return -EINVAL; |
1082 | } | |
1083 | ||
1084 | ind = bond_get_targets_ip(targets, target); | |
1085 | if (ind == -1) { | |
2de390ba VF |
1086 | netdev_err(bond->dev, "unable to remove nonexistent ARP target %pI4\n", |
1087 | &target); | |
7f28fa10 | 1088 | return -EINVAL; |
1089 | } | |
1090 | ||
1091 | if (ind == 0 && !targets[1] && bond->params.arp_interval) | |
2de390ba | 1092 | netdev_warn(bond->dev, "Removing last arp target with arp_interval on\n"); |
7f28fa10 | 1093 | |
eac306b4 | 1094 | netdev_dbg(bond->dev, "Removing ARP target %pI4\n", &target); |
7f28fa10 | 1095 | |
7f28fa10 | 1096 | bond_for_each_slave(bond, slave, iter) { |
1097 | targets_rx = slave->target_last_arp_rx; | |
1098 | for (i = ind; (i < BOND_MAX_ARP_TARGETS-1) && targets[i+1]; i++) | |
1099 | targets_rx[i] = targets_rx[i+1]; | |
1100 | targets_rx[i] = 0; | |
1101 | } | |
1102 | for (i = ind; (i < BOND_MAX_ARP_TARGETS-1) && targets[i+1]; i++) | |
1103 | targets[i] = targets[i+1]; | |
1104 | targets[i] = 0; | |
1105 | ||
7f28fa10 | 1106 | return 0; |
1107 | } | |
1108 | ||
4fb0ef58 | 1109 | void bond_option_arp_ip_targets_clear(struct bonding *bond) |
7f28fa10 | 1110 | { |
4fb0ef58 | 1111 | int i; |
7f28fa10 | 1112 | |
7f28fa10 | 1113 | for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) |
1114 | _bond_options_arp_ip_target_set(bond, i, 0, 0); | |
4fb0ef58 | 1115 | } |
7f28fa10 | 1116 | |
f3253339 | 1117 | static int bond_option_arp_ip_targets_set(struct bonding *bond, |
28f084cc | 1118 | const struct bond_opt_value *newval) |
4fb0ef58 NA |
1119 | { |
1120 | int ret = -EPERM; | |
1121 | __be32 target; | |
1122 | ||
1123 | if (newval->string) { | |
1124 | if (!in4_pton(newval->string+1, -1, (u8 *)&target, -1, NULL)) { | |
2de390ba VF |
1125 | netdev_err(bond->dev, "invalid ARP target %pI4 specified\n", |
1126 | &target); | |
4fb0ef58 NA |
1127 | return ret; |
1128 | } | |
1129 | if (newval->string[0] == '+') | |
1130 | ret = bond_option_arp_ip_target_add(bond, target); | |
1131 | else if (newval->string[0] == '-') | |
1132 | ret = bond_option_arp_ip_target_rem(bond, target); | |
1133 | else | |
2de390ba | 1134 | netdev_err(bond->dev, "no command found in arp_ip_targets file - use +<addr> or -<addr>\n"); |
4fb0ef58 NA |
1135 | } else { |
1136 | target = newval->value; | |
1137 | ret = bond_option_arp_ip_target_add(bond, target); | |
7f28fa10 | 1138 | } |
1139 | ||
7f28fa10 | 1140 | return ret; |
1141 | } | |
29c49482 | 1142 | |
f3253339 | 1143 | static int bond_option_arp_validate_set(struct bonding *bond, |
28f084cc | 1144 | const struct bond_opt_value *newval) |
29c49482 | 1145 | { |
eac306b4 MD |
1146 | netdev_dbg(bond->dev, "Setting arp_validate to %s (%llu)\n", |
1147 | newval->string, newval->value); | |
16228881 | 1148 | bond->params.arp_validate = newval->value; |
29c49482 | 1149 | |
1150 | return 0; | |
1151 | } | |
d5c84254 | 1152 | |
f3253339 | 1153 | static int bond_option_arp_all_targets_set(struct bonding *bond, |
28f084cc | 1154 | const struct bond_opt_value *newval) |
d5c84254 | 1155 | { |
eac306b4 MD |
1156 | netdev_dbg(bond->dev, "Setting arp_all_targets to %s (%llu)\n", |
1157 | newval->string, newval->value); | |
edf36b24 | 1158 | bond->params.arp_all_targets = newval->value; |
d5c84254 | 1159 | |
1160 | return 0; | |
1161 | } | |
0a98a0d1 | 1162 | |
f3253339 | 1163 | static int bond_option_primary_set(struct bonding *bond, |
28f084cc | 1164 | const struct bond_opt_value *newval) |
0a98a0d1 | 1165 | { |
180222f0 | 1166 | char *p, *primary = newval->string; |
0a98a0d1 | 1167 | struct list_head *iter; |
1168 | struct slave *slave; | |
0a98a0d1 | 1169 | |
1170 | block_netpoll_tx(); | |
0a98a0d1 | 1171 | |
180222f0 NA |
1172 | p = strchr(primary, '\n'); |
1173 | if (p) | |
1174 | *p = '\0'; | |
0a98a0d1 | 1175 | /* check to see if we are clearing primary */ |
1176 | if (!strlen(primary)) { | |
eac306b4 | 1177 | netdev_dbg(bond->dev, "Setting primary slave to None\n"); |
059b47e8 | 1178 | RCU_INIT_POINTER(bond->primary_slave, NULL); |
0a98a0d1 | 1179 | memset(bond->params.primary, 0, sizeof(bond->params.primary)); |
1180 | bond_select_active_slave(bond); | |
1181 | goto out; | |
1182 | } | |
1183 | ||
1184 | bond_for_each_slave(bond, slave, iter) { | |
1185 | if (strncmp(slave->dev->name, primary, IFNAMSIZ) == 0) { | |
f887e54c | 1186 | slave_dbg(bond->dev, slave->dev, "Setting as primary slave\n"); |
059b47e8 | 1187 | rcu_assign_pointer(bond->primary_slave, slave); |
0a98a0d1 | 1188 | strcpy(bond->params.primary, slave->dev->name); |
eb55bbf8 | 1189 | bond->force_primary = true; |
0a98a0d1 | 1190 | bond_select_active_slave(bond); |
1191 | goto out; | |
1192 | } | |
1193 | } | |
1194 | ||
059b47e8 | 1195 | if (rtnl_dereference(bond->primary_slave)) { |
eac306b4 | 1196 | netdev_dbg(bond->dev, "Setting primary slave to None\n"); |
059b47e8 | 1197 | RCU_INIT_POINTER(bond->primary_slave, NULL); |
c59ab673 | 1198 | bond_select_active_slave(bond); |
1199 | } | |
0a98a0d1 | 1200 | strncpy(bond->params.primary, primary, IFNAMSIZ); |
1201 | bond->params.primary[IFNAMSIZ - 1] = 0; | |
1202 | ||
f887e54c JW |
1203 | netdev_dbg(bond->dev, "Recording %s as primary, but it has not been enslaved yet\n", |
1204 | primary); | |
0a98a0d1 | 1205 | |
1206 | out: | |
0a98a0d1 | 1207 | unblock_netpoll_tx(); |
1208 | ||
180222f0 | 1209 | return 0; |
0a98a0d1 | 1210 | } |
8a41ae44 | 1211 | |
f3253339 | 1212 | static int bond_option_primary_reselect_set(struct bonding *bond, |
28f084cc | 1213 | const struct bond_opt_value *newval) |
8a41ae44 | 1214 | { |
eac306b4 MD |
1215 | netdev_dbg(bond->dev, "Setting primary_reselect to %s (%llu)\n", |
1216 | newval->string, newval->value); | |
388d3a6d | 1217 | bond->params.primary_reselect = newval->value; |
8a41ae44 | 1218 | |
1219 | block_netpoll_tx(); | |
8a41ae44 | 1220 | bond_select_active_slave(bond); |
8a41ae44 | 1221 | unblock_netpoll_tx(); |
1222 | ||
1223 | return 0; | |
1224 | } | |
89901972 | 1225 | |
f3253339 | 1226 | static int bond_option_fail_over_mac_set(struct bonding *bond, |
28f084cc | 1227 | const struct bond_opt_value *newval) |
89901972 | 1228 | { |
eac306b4 MD |
1229 | netdev_dbg(bond->dev, "Setting fail_over_mac to %s (%llu)\n", |
1230 | newval->string, newval->value); | |
1df6b6aa | 1231 | bond->params.fail_over_mac = newval->value; |
89901972 | 1232 | |
1233 | return 0; | |
1234 | } | |
f70161c6 | 1235 | |
f3253339 | 1236 | static int bond_option_xmit_hash_policy_set(struct bonding *bond, |
28f084cc | 1237 | const struct bond_opt_value *newval) |
f70161c6 | 1238 | { |
eac306b4 MD |
1239 | netdev_dbg(bond->dev, "Setting xmit hash policy to %s (%llu)\n", |
1240 | newval->string, newval->value); | |
a4b32ce7 | 1241 | bond->params.xmit_policy = newval->value; |
f70161c6 | 1242 | |
89df6a81 TT |
1243 | if (bond->dev->reg_state == NETREG_REGISTERED) |
1244 | if (bond_set_tls_features(bond)) | |
1245 | netdev_update_features(bond->dev); | |
1246 | ||
f70161c6 | 1247 | return 0; |
1248 | } | |
d8838de7 | 1249 | |
f3253339 | 1250 | static int bond_option_resend_igmp_set(struct bonding *bond, |
28f084cc | 1251 | const struct bond_opt_value *newval) |
d8838de7 | 1252 | { |
eac306b4 MD |
1253 | netdev_dbg(bond->dev, "Setting resend_igmp to %llu\n", |
1254 | newval->value); | |
105c8fb6 | 1255 | bond->params.resend_igmp = newval->value; |
d8838de7 | 1256 | |
1257 | return 0; | |
1258 | } | |
2c9839c1 | 1259 | |
f3253339 | 1260 | static int bond_option_num_peer_notif_set(struct bonding *bond, |
28f084cc | 1261 | const struct bond_opt_value *newval) |
2c9839c1 | 1262 | { |
ef56becb NA |
1263 | bond->params.num_peer_notif = newval->value; |
1264 | ||
2c9839c1 | 1265 | return 0; |
1266 | } | |
1cc0b1e3 | 1267 | |
f3253339 | 1268 | static int bond_option_all_slaves_active_set(struct bonding *bond, |
28f084cc | 1269 | const struct bond_opt_value *newval) |
1cc0b1e3 | 1270 | { |
1271 | struct list_head *iter; | |
1272 | struct slave *slave; | |
1273 | ||
3df01162 | 1274 | if (newval->value == bond->params.all_slaves_active) |
1cc0b1e3 | 1275 | return 0; |
3df01162 | 1276 | bond->params.all_slaves_active = newval->value; |
1cc0b1e3 | 1277 | bond_for_each_slave(bond, slave, iter) { |
1278 | if (!bond_is_active_slave(slave)) { | |
3df01162 | 1279 | if (newval->value) |
1cc0b1e3 | 1280 | slave->inactive = 0; |
1281 | else | |
1282 | slave->inactive = 1; | |
1283 | } | |
1284 | } | |
1285 | ||
1286 | return 0; | |
1287 | } | |
7d101008 | 1288 | |
f3253339 | 1289 | static int bond_option_min_links_set(struct bonding *bond, |
28f084cc | 1290 | const struct bond_opt_value *newval) |
7d101008 | 1291 | { |
eac306b4 MD |
1292 | netdev_dbg(bond->dev, "Setting min links value to %llu\n", |
1293 | newval->value); | |
633ddc9e | 1294 | bond->params.min_links = newval->value; |
2477bc9a | 1295 | bond_set_carrier(bond); |
7d101008 | 1296 | |
1297 | return 0; | |
1298 | } | |
8d836d09 | 1299 | |
f3253339 | 1300 | static int bond_option_lp_interval_set(struct bonding *bond, |
28f084cc | 1301 | const struct bond_opt_value *newval) |
8d836d09 | 1302 | { |
4325b374 | 1303 | bond->params.lp_interval = newval->value; |
8d836d09 | 1304 | |
1305 | return 0; | |
1306 | } | |
c13ab3ff | 1307 | |
f3253339 | 1308 | static int bond_option_pps_set(struct bonding *bond, |
28f084cc | 1309 | const struct bond_opt_value *newval) |
c13ab3ff | 1310 | { |
eac306b4 MD |
1311 | netdev_dbg(bond->dev, "Setting packets per slave to %llu\n", |
1312 | newval->value); | |
aa59d851 NA |
1313 | bond->params.packets_per_slave = newval->value; |
1314 | if (newval->value > 0) { | |
809fa972 | 1315 | bond->params.reciprocal_packets_per_slave = |
aa59d851 | 1316 | reciprocal_value(newval->value); |
809fa972 HFS |
1317 | } else { |
1318 | /* reciprocal_packets_per_slave is unused if | |
1319 | * packets_per_slave is 0 or 1, just initialize it | |
1320 | */ | |
1321 | bond->params.reciprocal_packets_per_slave = | |
1322 | (struct reciprocal_value) { 0 }; | |
1323 | } | |
c13ab3ff | 1324 | |
1325 | return 0; | |
1326 | } | |
998e40bb | 1327 | |
f3253339 | 1328 | static int bond_option_lacp_rate_set(struct bonding *bond, |
28f084cc | 1329 | const struct bond_opt_value *newval) |
998e40bb | 1330 | { |
eac306b4 MD |
1331 | netdev_dbg(bond->dev, "Setting LACP rate to %s (%llu)\n", |
1332 | newval->string, newval->value); | |
d3131de7 | 1333 | bond->params.lacp_fast = newval->value; |
3243c47b | 1334 | bond_3ad_update_lacp_rate(bond); |
998e40bb | 1335 | |
1336 | return 0; | |
1337 | } | |
ec029fac | 1338 | |
f3253339 | 1339 | static int bond_option_ad_select_set(struct bonding *bond, |
28f084cc | 1340 | const struct bond_opt_value *newval) |
ec029fac | 1341 | { |
eac306b4 MD |
1342 | netdev_dbg(bond->dev, "Setting ad_select to %s (%llu)\n", |
1343 | newval->string, newval->value); | |
9e5f5eeb | 1344 | bond->params.ad_select = newval->value; |
ec029fac | 1345 | |
1346 | return 0; | |
1347 | } | |
24089ba1 | 1348 | |
f3253339 | 1349 | static int bond_option_queue_id_set(struct bonding *bond, |
28f084cc | 1350 | const struct bond_opt_value *newval) |
24089ba1 NA |
1351 | { |
1352 | struct slave *slave, *update_slave; | |
1353 | struct net_device *sdev; | |
1354 | struct list_head *iter; | |
1355 | char *delim; | |
1356 | int ret = 0; | |
1357 | u16 qid; | |
1358 | ||
1359 | /* delim will point to queue id if successful */ | |
1360 | delim = strchr(newval->string, ':'); | |
1361 | if (!delim) | |
1362 | goto err_no_cmd; | |
1363 | ||
1364 | /* Terminate string that points to device name and bump it | |
1365 | * up one, so we can read the queue id there. | |
1366 | */ | |
1367 | *delim = '\0'; | |
1368 | if (sscanf(++delim, "%hd\n", &qid) != 1) | |
1369 | goto err_no_cmd; | |
1370 | ||
1371 | /* Check buffer length, valid ifname and queue id */ | |
c313c89e | 1372 | if (!dev_valid_name(newval->string) || |
24089ba1 NA |
1373 | qid > bond->dev->real_num_tx_queues) |
1374 | goto err_no_cmd; | |
1375 | ||
1376 | /* Get the pointer to that interface if it exists */ | |
1377 | sdev = __dev_get_by_name(dev_net(bond->dev), newval->string); | |
1378 | if (!sdev) | |
1379 | goto err_no_cmd; | |
1380 | ||
1381 | /* Search for thes slave and check for duplicate qids */ | |
1382 | update_slave = NULL; | |
1383 | bond_for_each_slave(bond, slave, iter) { | |
1384 | if (sdev == slave->dev) | |
1385 | /* We don't need to check the matching | |
1386 | * slave for dups, since we're overwriting it | |
1387 | */ | |
1388 | update_slave = slave; | |
1389 | else if (qid && qid == slave->queue_id) { | |
1390 | goto err_no_cmd; | |
1391 | } | |
1392 | } | |
1393 | ||
1394 | if (!update_slave) | |
1395 | goto err_no_cmd; | |
1396 | ||
1397 | /* Actually set the qids for the slave */ | |
1398 | update_slave->queue_id = qid; | |
1399 | ||
1400 | out: | |
1401 | return ret; | |
1402 | ||
1403 | err_no_cmd: | |
eac306b4 | 1404 | netdev_dbg(bond->dev, "invalid input for queue_id set\n"); |
24089ba1 NA |
1405 | ret = -EPERM; |
1406 | goto out; | |
1407 | ||
1408 | } | |
0e2e5b66 | 1409 | |
f3253339 | 1410 | static int bond_option_slaves_set(struct bonding *bond, |
28f084cc | 1411 | const struct bond_opt_value *newval) |
0e2e5b66 NA |
1412 | { |
1413 | char command[IFNAMSIZ + 1] = { 0, }; | |
1414 | struct net_device *dev; | |
1415 | char *ifname; | |
1416 | int ret; | |
1417 | ||
1418 | sscanf(newval->string, "%16s", command); /* IFNAMSIZ*/ | |
1419 | ifname = command + 1; | |
1420 | if ((strlen(command) <= 1) || | |
415d3942 | 1421 | (command[0] != '+' && command[0] != '-') || |
0e2e5b66 NA |
1422 | !dev_valid_name(ifname)) |
1423 | goto err_no_cmd; | |
1424 | ||
1425 | dev = __dev_get_by_name(dev_net(bond->dev), ifname); | |
1426 | if (!dev) { | |
eac306b4 MD |
1427 | netdev_dbg(bond->dev, "interface %s does not exist!\n", |
1428 | ifname); | |
0e2e5b66 NA |
1429 | ret = -ENODEV; |
1430 | goto out; | |
1431 | } | |
1432 | ||
1433 | switch (command[0]) { | |
1434 | case '+': | |
f887e54c | 1435 | slave_dbg(bond->dev, dev, "Enslaving interface\n"); |
33eaf2a6 | 1436 | ret = bond_enslave(bond->dev, dev, NULL); |
0e2e5b66 NA |
1437 | break; |
1438 | ||
1439 | case '-': | |
f887e54c | 1440 | slave_dbg(bond->dev, dev, "Releasing interface\n"); |
0e2e5b66 NA |
1441 | ret = bond_release(bond->dev, dev); |
1442 | break; | |
1443 | ||
1444 | default: | |
415d3942 | 1445 | /* should not run here. */ |
0e2e5b66 NA |
1446 | goto err_no_cmd; |
1447 | } | |
1448 | ||
1449 | out: | |
1450 | return ret; | |
1451 | ||
1452 | err_no_cmd: | |
2de390ba | 1453 | netdev_err(bond->dev, "no command found in slaves file - use +ifname or -ifname\n"); |
0e2e5b66 NA |
1454 | ret = -EPERM; |
1455 | goto out; | |
1456 | } | |
e9f0fb88 MB |
1457 | |
1458 | static int bond_option_tlb_dynamic_lb_set(struct bonding *bond, | |
1459 | const struct bond_opt_value *newval) | |
1460 | { | |
eac306b4 MD |
1461 | netdev_dbg(bond->dev, "Setting dynamic-lb to %s (%llu)\n", |
1462 | newval->string, newval->value); | |
e9f0fb88 MB |
1463 | bond->params.tlb_dynamic_lb = newval->value; |
1464 | ||
1465 | return 0; | |
1466 | } | |
6791e466 MB |
1467 | |
1468 | static int bond_option_ad_actor_sys_prio_set(struct bonding *bond, | |
1469 | const struct bond_opt_value *newval) | |
1470 | { | |
eac306b4 MD |
1471 | netdev_dbg(bond->dev, "Setting ad_actor_sys_prio to %llu\n", |
1472 | newval->value); | |
6791e466 MB |
1473 | |
1474 | bond->params.ad_actor_sys_prio = newval->value; | |
5ee14e6d NA |
1475 | bond_3ad_update_ad_actor_settings(bond); |
1476 | ||
6791e466 MB |
1477 | return 0; |
1478 | } | |
74514957 MB |
1479 | |
1480 | static int bond_option_ad_actor_system_set(struct bonding *bond, | |
1481 | const struct bond_opt_value *newval) | |
1482 | { | |
1483 | u8 macaddr[ETH_ALEN]; | |
171a42c3 | 1484 | u8 *mac; |
74514957 | 1485 | |
171a42c3 | 1486 | if (newval->string) { |
ce5c144f | 1487 | if (!mac_pton(newval->string, macaddr)) |
171a42c3 AG |
1488 | goto err; |
1489 | mac = macaddr; | |
1490 | } else { | |
1491 | mac = (u8 *)&newval->value; | |
74514957 MB |
1492 | } |
1493 | ||
171a42c3 AG |
1494 | if (!is_valid_ether_addr(mac)) |
1495 | goto err; | |
1496 | ||
eac306b4 | 1497 | netdev_dbg(bond->dev, "Setting ad_actor_system to %pM\n", mac); |
171a42c3 | 1498 | ether_addr_copy(bond->params.ad_actor_system, mac); |
5ee14e6d NA |
1499 | bond_3ad_update_ad_actor_settings(bond); |
1500 | ||
74514957 | 1501 | return 0; |
171a42c3 AG |
1502 | |
1503 | err: | |
f887e54c | 1504 | netdev_err(bond->dev, "Invalid ad_actor_system MAC address.\n"); |
171a42c3 | 1505 | return -EINVAL; |
74514957 | 1506 | } |
d22a5fc0 MB |
1507 | |
1508 | static int bond_option_ad_user_port_key_set(struct bonding *bond, | |
1509 | const struct bond_opt_value *newval) | |
1510 | { | |
eac306b4 MD |
1511 | netdev_dbg(bond->dev, "Setting ad_user_port_key to %llu\n", |
1512 | newval->value); | |
d22a5fc0 MB |
1513 | |
1514 | bond->params.ad_user_port_key = newval->value; | |
1515 | return 0; | |
1516 | } |