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 | 642 | break; |
acdff0df JL |
643 | case -ENODEV: |
644 | if (val && val->string) { | |
645 | p = strchr(val->string, '\n'); | |
646 | if (p) | |
647 | *p = '\0'; | |
648 | netdev_err(bond->dev, "option %s: interface %s does not exist!\n", | |
649 | opt->name, val->string); | |
650 | } | |
651 | break; | |
09117362 NA |
652 | default: |
653 | break; | |
654 | } | |
655 | } | |
656 | ||
657 | /** | |
658 | * __bond_opt_set - set a bonding option | |
659 | * @bond: target bond device | |
660 | * @option: option to set | |
661 | * @val: value to set it to | |
662 | * | |
663 | * This function is used to change the bond's option value, it can be | |
664 | * used for both enabling/changing an option and for disabling it. RTNL lock | |
665 | * must be obtained before calling this function. | |
666 | */ | |
667 | int __bond_opt_set(struct bonding *bond, | |
668 | unsigned int option, struct bond_opt_value *val) | |
669 | { | |
28f084cc | 670 | const struct bond_opt_value *retval = NULL; |
09117362 NA |
671 | const struct bond_option *opt; |
672 | int ret = -ENOENT; | |
673 | ||
674 | ASSERT_RTNL(); | |
675 | ||
676 | opt = bond_opt_get(option); | |
677 | if (WARN_ON(!val) || WARN_ON(!opt)) | |
678 | goto out; | |
679 | ret = bond_opt_check_deps(bond, opt); | |
680 | if (ret) | |
681 | goto out; | |
682 | retval = bond_opt_parse(opt, val); | |
683 | if (!retval) { | |
684 | ret = -EINVAL; | |
685 | goto out; | |
686 | } | |
687 | ret = opt->set(bond, retval); | |
688 | out: | |
689 | if (ret) | |
690 | bond_opt_error_interpret(bond, opt, ret, val); | |
7a7e96e0 VY |
691 | |
692 | return ret; | |
693 | } | |
694 | /** | |
695 | * __bond_opt_set_notify - set a bonding option | |
696 | * @bond: target bond device | |
697 | * @option: option to set | |
698 | * @val: value to set it to | |
699 | * | |
700 | * This function is used to change the bond's option value and trigger | |
701 | * a notification to user sapce. It can be used for both enabling/changing | |
702 | * an option and for disabling it. RTNL lock must be obtained before calling | |
703 | * this function. | |
704 | */ | |
705 | int __bond_opt_set_notify(struct bonding *bond, | |
706 | unsigned int option, struct bond_opt_value *val) | |
707 | { | |
708 | int ret = -ENOENT; | |
709 | ||
710 | ASSERT_RTNL(); | |
711 | ||
712 | ret = __bond_opt_set(bond, option, val); | |
713 | ||
714 | if (!ret && (bond->dev->reg_state == NETREG_REGISTERED)) | |
d4261e56 | 715 | call_netdevice_notifiers(NETDEV_CHANGEINFODATA, bond->dev); |
09117362 NA |
716 | |
717 | return ret; | |
718 | } | |
719 | ||
720 | /** | |
721 | * bond_opt_tryset_rtnl - try to acquire rtnl and call __bond_opt_set | |
722 | * @bond: target bond device | |
723 | * @option: option to set | |
724 | * @buf: value to set it to | |
725 | * | |
726 | * This function tries to acquire RTNL without blocking and if successful | |
727 | * calls __bond_opt_set. It is mainly used for sysfs option manipulation. | |
728 | */ | |
729 | int bond_opt_tryset_rtnl(struct bonding *bond, unsigned int option, char *buf) | |
730 | { | |
731 | struct bond_opt_value optval; | |
732 | int ret; | |
733 | ||
734 | if (!rtnl_trylock()) | |
735 | return restart_syscall(); | |
736 | bond_opt_initstr(&optval, buf); | |
7a7e96e0 | 737 | ret = __bond_opt_set_notify(bond, option, &optval); |
09117362 NA |
738 | rtnl_unlock(); |
739 | ||
740 | return ret; | |
741 | } | |
742 | ||
743 | /** | |
744 | * bond_opt_get - get a pointer to an option | |
745 | * @option: option for which to return a pointer | |
746 | * | |
747 | * This function checks if option is valid and if so returns a pointer | |
748 | * to its entry in the bond_opts[] option array. | |
749 | */ | |
f3253339 | 750 | const struct bond_option *bond_opt_get(unsigned int option) |
09117362 NA |
751 | { |
752 | if (!BOND_OPT_VALID(option)) | |
753 | return NULL; | |
754 | ||
755 | return &bond_opts[option]; | |
756 | } | |
757 | ||
f45583de | 758 | static bool bond_set_xfrm_features(struct bonding *bond) |
007ab534 JW |
759 | { |
760 | if (!IS_ENABLED(CONFIG_XFRM_OFFLOAD)) | |
f45583de | 761 | return false; |
007ab534 | 762 | |
f45583de TT |
763 | if (BOND_MODE(bond) == BOND_MODE_ACTIVEBACKUP) |
764 | bond->dev->wanted_features |= BOND_XFRM_FEATURES; | |
007ab534 | 765 | else |
f45583de | 766 | bond->dev->wanted_features &= ~BOND_XFRM_FEATURES; |
007ab534 | 767 | |
f45583de | 768 | return true; |
007ab534 JW |
769 | } |
770 | ||
89df6a81 TT |
771 | static bool bond_set_tls_features(struct bonding *bond) |
772 | { | |
773 | if (!IS_ENABLED(CONFIG_TLS_DEVICE)) | |
774 | return false; | |
775 | ||
776 | if (bond_sk_check(bond)) | |
777 | bond->dev->wanted_features |= BOND_TLS_FEATURES; | |
778 | else | |
779 | bond->dev->wanted_features &= ~BOND_TLS_FEATURES; | |
780 | ||
781 | return true; | |
782 | } | |
783 | ||
ff11d8b2 NA |
784 | static int bond_option_mode_set(struct bonding *bond, |
785 | const struct bond_opt_value *newval) | |
72be35fe | 786 | { |
c1f897ce JW |
787 | if (!bond_mode_uses_arp(newval->value)) { |
788 | if (bond->params.arp_interval) { | |
789 | netdev_dbg(bond->dev, "%s mode is incompatible with arp monitoring, start mii monitoring\n", | |
790 | newval->string); | |
791 | /* disable arp monitoring */ | |
792 | bond->params.arp_interval = 0; | |
793 | } | |
794 | ||
795 | if (!bond->params.miimon) { | |
796 | /* set miimon to default value */ | |
797 | bond->params.miimon = BOND_DEFAULT_MIIMON; | |
798 | netdev_dbg(bond->dev, "Setting MII monitoring interval to %d\n", | |
799 | bond->params.miimon); | |
800 | } | |
72be35fe JP |
801 | } |
802 | ||
c6644d07 KT |
803 | if (newval->value == BOND_MODE_ALB) |
804 | bond->params.tlb_dynamic_lb = 1; | |
805 | ||
72be35fe JP |
806 | /* don't cache arp_validate between modes */ |
807 | bond->params.arp_validate = BOND_ARP_VALIDATE_NONE; | |
2b3798d5 NA |
808 | bond->params.mode = newval->value; |
809 | ||
89df6a81 TT |
810 | if (bond->dev->reg_state == NETREG_REGISTERED) { |
811 | bool update = false; | |
812 | ||
813 | update |= bond_set_xfrm_features(bond); | |
814 | update |= bond_set_tls_features(bond); | |
815 | ||
816 | if (update) | |
f45583de | 817 | netdev_update_features(bond->dev); |
89df6a81 | 818 | } |
f45583de | 819 | |
72be35fe JP |
820 | return 0; |
821 | } | |
d9e32b21 | 822 | |
f3253339 | 823 | static int bond_option_active_slave_set(struct bonding *bond, |
28f084cc | 824 | const struct bond_opt_value *newval) |
d9e32b21 | 825 | { |
d1fbd3ed NA |
826 | char ifname[IFNAMSIZ] = { 0, }; |
827 | struct net_device *slave_dev; | |
d9e32b21 JP |
828 | int ret = 0; |
829 | ||
d1fbd3ed NA |
830 | sscanf(newval->string, "%15s", ifname); /* IFNAMSIZ */ |
831 | if (!strlen(ifname) || newval->string[0] == '\n') { | |
832 | slave_dev = NULL; | |
833 | } else { | |
834 | slave_dev = __dev_get_by_name(dev_net(bond->dev), ifname); | |
835 | if (!slave_dev) | |
836 | return -ENODEV; | |
837 | } | |
838 | ||
d9e32b21 JP |
839 | if (slave_dev) { |
840 | if (!netif_is_bond_slave(slave_dev)) { | |
f887e54c | 841 | slave_err(bond->dev, slave_dev, "Device is not bonding slave\n"); |
d9e32b21 JP |
842 | return -EINVAL; |
843 | } | |
844 | ||
845 | if (bond->dev != netdev_master_upper_dev_get(slave_dev)) { | |
f887e54c | 846 | slave_err(bond->dev, slave_dev, "Device is not our slave\n"); |
d9e32b21 JP |
847 | return -EINVAL; |
848 | } | |
849 | } | |
850 | ||
d9e32b21 | 851 | block_netpoll_tx(); |
d9e32b21 JP |
852 | /* check to see if we are clearing active */ |
853 | if (!slave_dev) { | |
eac306b4 | 854 | netdev_dbg(bond->dev, "Clearing current active slave\n"); |
8800a244 | 855 | RCU_INIT_POINTER(bond->curr_active_slave, NULL); |
d9e32b21 JP |
856 | bond_select_active_slave(bond); |
857 | } else { | |
1c72cfdc | 858 | struct slave *old_active = rtnl_dereference(bond->curr_active_slave); |
d9e32b21 JP |
859 | struct slave *new_active = bond_slave_get_rtnl(slave_dev); |
860 | ||
861 | BUG_ON(!new_active); | |
862 | ||
863 | if (new_active == old_active) { | |
864 | /* do nothing */ | |
f887e54c | 865 | slave_dbg(bond->dev, new_active->dev, "is already the current active slave\n"); |
d9e32b21 JP |
866 | } else { |
867 | if (old_active && (new_active->link == BOND_LINK_UP) && | |
b6adc610 | 868 | bond_slave_is_up(new_active)) { |
f887e54c | 869 | slave_dbg(bond->dev, new_active->dev, "Setting as active slave\n"); |
d9e32b21 JP |
870 | bond_change_active_slave(bond, new_active); |
871 | } else { | |
f887e54c JW |
872 | slave_err(bond->dev, new_active->dev, "Could not set as active slave; either %s is down or the link is down\n", |
873 | new_active->dev->name); | |
d9e32b21 JP |
874 | ret = -EINVAL; |
875 | } | |
876 | } | |
877 | } | |
d9e32b21 | 878 | unblock_netpoll_tx(); |
d1fbd3ed | 879 | |
d9e32b21 JP |
880 | return ret; |
881 | } | |
eecdaa6e | 882 | |
dc3e5d18 NA |
883 | /* There are two tricky bits here. First, if MII monitoring is activated, then |
884 | * we must disable ARP monitoring. Second, if the timer isn't running, we must | |
885 | * start it. | |
886 | */ | |
f3253339 | 887 | static int bond_option_miimon_set(struct bonding *bond, |
28f084cc | 888 | const struct bond_opt_value *newval) |
eecdaa6e | 889 | { |
eac306b4 MD |
890 | netdev_dbg(bond->dev, "Setting MII monitoring interval to %llu\n", |
891 | newval->value); | |
b98d9c66 | 892 | bond->params.miimon = newval->value; |
eecdaa6e | 893 | if (bond->params.updelay) |
eac306b4 MD |
894 | netdev_dbg(bond->dev, "Note: Updating updelay (to %d) since it is a multiple of the miimon value\n", |
895 | bond->params.updelay * bond->params.miimon); | |
eecdaa6e | 896 | if (bond->params.downdelay) |
eac306b4 MD |
897 | netdev_dbg(bond->dev, "Note: Updating downdelay (to %d) since it is a multiple of the miimon value\n", |
898 | bond->params.downdelay * bond->params.miimon); | |
07a4ddec VB |
899 | if (bond->params.peer_notif_delay) |
900 | netdev_dbg(bond->dev, "Note: Updating peer_notif_delay (to %d) since it is a multiple of the miimon value\n", | |
901 | bond->params.peer_notif_delay * bond->params.miimon); | |
b98d9c66 | 902 | if (newval->value && bond->params.arp_interval) { |
eac306b4 | 903 | netdev_dbg(bond->dev, "MII monitoring cannot be used with ARP monitoring - disabling ARP monitoring...\n"); |
eecdaa6e | 904 | bond->params.arp_interval = 0; |
905 | if (bond->params.arp_validate) | |
906 | bond->params.arp_validate = BOND_ARP_VALIDATE_NONE; | |
907 | } | |
908 | if (bond->dev->flags & IFF_UP) { | |
909 | /* If the interface is up, we may need to fire off | |
910 | * the MII timer. If the interface is down, the | |
911 | * timer will get fired off when the open function | |
912 | * is called. | |
913 | */ | |
b98d9c66 | 914 | if (!newval->value) { |
eecdaa6e | 915 | cancel_delayed_work_sync(&bond->mii_work); |
916 | } else { | |
917 | cancel_delayed_work_sync(&bond->arp_work); | |
918 | queue_delayed_work(bond->wq, &bond->mii_work, 0); | |
919 | } | |
920 | } | |
b98d9c66 | 921 | |
eecdaa6e | 922 | return 0; |
923 | } | |
25852e29 | 924 | |
07a4ddec VB |
925 | /* Set up, down and peer notification delays. These must be multiples |
926 | * of the MII monitoring value, and are stored internally as the | |
927 | * multiplier. Thus, we must translate to MS for the real world. | |
dc3e5d18 | 928 | */ |
07a4ddec VB |
929 | static int _bond_option_delay_set(struct bonding *bond, |
930 | const struct bond_opt_value *newval, | |
931 | const char *name, | |
932 | int *target) | |
25852e29 | 933 | { |
0681a282 NA |
934 | int value = newval->value; |
935 | ||
e4994612 | 936 | if (!bond->params.miimon) { |
07a4ddec VB |
937 | netdev_err(bond->dev, "Unable to set %s as MII monitoring is disabled\n", |
938 | name); | |
25852e29 | 939 | return -EPERM; |
940 | } | |
0681a282 | 941 | if ((value % bond->params.miimon) != 0) { |
07a4ddec VB |
942 | netdev_warn(bond->dev, |
943 | "%s (%d) is not a multiple of miimon (%d), value rounded to %d ms\n", | |
944 | name, | |
2de390ba VF |
945 | value, bond->params.miimon, |
946 | (value / bond->params.miimon) * | |
947 | bond->params.miimon); | |
25852e29 | 948 | } |
07a4ddec VB |
949 | *target = value / bond->params.miimon; |
950 | netdev_dbg(bond->dev, "Setting %s to %d\n", | |
951 | name, | |
952 | *target * bond->params.miimon); | |
25852e29 | 953 | |
954 | return 0; | |
955 | } | |
c7461f9b | 956 | |
07a4ddec VB |
957 | static int bond_option_updelay_set(struct bonding *bond, |
958 | const struct bond_opt_value *newval) | |
959 | { | |
960 | return _bond_option_delay_set(bond, newval, "up delay", | |
961 | &bond->params.updelay); | |
962 | } | |
963 | ||
f3253339 | 964 | static int bond_option_downdelay_set(struct bonding *bond, |
28f084cc | 965 | const struct bond_opt_value *newval) |
c7461f9b | 966 | { |
07a4ddec VB |
967 | return _bond_option_delay_set(bond, newval, "down delay", |
968 | &bond->params.downdelay); | |
969 | } | |
c7461f9b | 970 | |
07a4ddec VB |
971 | static int bond_option_peer_notif_delay_set(struct bonding *bond, |
972 | const struct bond_opt_value *newval) | |
973 | { | |
974 | int ret = _bond_option_delay_set(bond, newval, | |
975 | "peer notification delay", | |
976 | &bond->params.peer_notif_delay); | |
977 | return ret; | |
c7461f9b | 978 | } |
9f53e14e | 979 | |
f3253339 | 980 | static int bond_option_use_carrier_set(struct bonding *bond, |
28f084cc | 981 | const struct bond_opt_value *newval) |
9f53e14e | 982 | { |
eac306b4 MD |
983 | netdev_dbg(bond->dev, "Setting use_carrier to %llu\n", |
984 | newval->value); | |
0fff0608 | 985 | bond->params.use_carrier = newval->value; |
9f53e14e | 986 | |
987 | return 0; | |
988 | } | |
06151dbc | 989 | |
dc3e5d18 NA |
990 | /* There are two tricky bits here. First, if ARP monitoring is activated, then |
991 | * we must disable MII monitoring. Second, if the ARP timer isn't running, | |
992 | * we must start it. | |
993 | */ | |
f3253339 | 994 | static int bond_option_arp_interval_set(struct bonding *bond, |
28f084cc | 995 | const struct bond_opt_value *newval) |
06151dbc | 996 | { |
eac306b4 MD |
997 | netdev_dbg(bond->dev, "Setting ARP monitoring interval to %llu\n", |
998 | newval->value); | |
7bdb04ed NA |
999 | bond->params.arp_interval = newval->value; |
1000 | if (newval->value) { | |
06151dbc | 1001 | if (bond->params.miimon) { |
eac306b4 | 1002 | netdev_dbg(bond->dev, "ARP monitoring cannot be used with MII monitoring. Disabling MII monitoring\n"); |
06151dbc | 1003 | bond->params.miimon = 0; |
1004 | } | |
1005 | if (!bond->params.arp_targets[0]) | |
eac306b4 | 1006 | netdev_dbg(bond->dev, "ARP monitoring has been set up, but no ARP targets have been specified\n"); |
06151dbc | 1007 | } |
1008 | if (bond->dev->flags & IFF_UP) { | |
1009 | /* If the interface is up, we may need to fire off | |
1010 | * the ARP timer. If the interface is down, the | |
1011 | * timer will get fired off when the open function | |
1012 | * is called. | |
1013 | */ | |
7bdb04ed | 1014 | if (!newval->value) { |
06151dbc | 1015 | if (bond->params.arp_validate) |
1016 | bond->recv_probe = NULL; | |
1017 | cancel_delayed_work_sync(&bond->arp_work); | |
1018 | } else { | |
1019 | /* arp_validate can be set only in active-backup mode */ | |
3fe68df9 | 1020 | bond->recv_probe = bond_arp_rcv; |
06151dbc | 1021 | cancel_delayed_work_sync(&bond->mii_work); |
1022 | queue_delayed_work(bond->wq, &bond->arp_work, 0); | |
1023 | } | |
1024 | } | |
1025 | ||
1026 | return 0; | |
1027 | } | |
7f28fa10 | 1028 | |
1029 | static void _bond_options_arp_ip_target_set(struct bonding *bond, int slot, | |
1030 | __be32 target, | |
1031 | unsigned long last_rx) | |
1032 | { | |
1033 | __be32 *targets = bond->params.arp_targets; | |
1034 | struct list_head *iter; | |
1035 | struct slave *slave; | |
1036 | ||
1037 | if (slot >= 0 && slot < BOND_MAX_ARP_TARGETS) { | |
1038 | bond_for_each_slave(bond, slave, iter) | |
1039 | slave->target_last_arp_rx[slot] = last_rx; | |
1040 | targets[slot] = target; | |
1041 | } | |
1042 | } | |
1043 | ||
1044 | static int _bond_option_arp_ip_target_add(struct bonding *bond, __be32 target) | |
1045 | { | |
1046 | __be32 *targets = bond->params.arp_targets; | |
1047 | int ind; | |
1048 | ||
2807a9fe | 1049 | if (!bond_is_ip_target_ok(target)) { |
2de390ba VF |
1050 | netdev_err(bond->dev, "invalid ARP target %pI4 specified for addition\n", |
1051 | &target); | |
7f28fa10 | 1052 | return -EINVAL; |
1053 | } | |
1054 | ||
1055 | if (bond_get_targets_ip(targets, target) != -1) { /* dup */ | |
2de390ba VF |
1056 | netdev_err(bond->dev, "ARP target %pI4 is already present\n", |
1057 | &target); | |
7f28fa10 | 1058 | return -EINVAL; |
1059 | } | |
1060 | ||
1061 | ind = bond_get_targets_ip(targets, 0); /* first free slot */ | |
1062 | if (ind == -1) { | |
2de390ba | 1063 | netdev_err(bond->dev, "ARP target table is full!\n"); |
7f28fa10 | 1064 | return -EINVAL; |
1065 | } | |
1066 | ||
eac306b4 | 1067 | netdev_dbg(bond->dev, "Adding ARP target %pI4\n", &target); |
7f28fa10 | 1068 | |
1069 | _bond_options_arp_ip_target_set(bond, ind, target, jiffies); | |
1070 | ||
1071 | return 0; | |
1072 | } | |
1073 | ||
f3253339 | 1074 | static int bond_option_arp_ip_target_add(struct bonding *bond, __be32 target) |
7f28fa10 | 1075 | { |
246df7b4 | 1076 | return _bond_option_arp_ip_target_add(bond, target); |
7f28fa10 | 1077 | } |
1078 | ||
f3253339 | 1079 | static int bond_option_arp_ip_target_rem(struct bonding *bond, __be32 target) |
7f28fa10 | 1080 | { |
1081 | __be32 *targets = bond->params.arp_targets; | |
1082 | struct list_head *iter; | |
1083 | struct slave *slave; | |
1084 | unsigned long *targets_rx; | |
1085 | int ind, i; | |
1086 | ||
2807a9fe | 1087 | if (!bond_is_ip_target_ok(target)) { |
2de390ba VF |
1088 | netdev_err(bond->dev, "invalid ARP target %pI4 specified for removal\n", |
1089 | &target); | |
7f28fa10 | 1090 | return -EINVAL; |
1091 | } | |
1092 | ||
1093 | ind = bond_get_targets_ip(targets, target); | |
1094 | if (ind == -1) { | |
2de390ba VF |
1095 | netdev_err(bond->dev, "unable to remove nonexistent ARP target %pI4\n", |
1096 | &target); | |
7f28fa10 | 1097 | return -EINVAL; |
1098 | } | |
1099 | ||
1100 | if (ind == 0 && !targets[1] && bond->params.arp_interval) | |
2de390ba | 1101 | netdev_warn(bond->dev, "Removing last arp target with arp_interval on\n"); |
7f28fa10 | 1102 | |
eac306b4 | 1103 | netdev_dbg(bond->dev, "Removing ARP target %pI4\n", &target); |
7f28fa10 | 1104 | |
7f28fa10 | 1105 | bond_for_each_slave(bond, slave, iter) { |
1106 | targets_rx = slave->target_last_arp_rx; | |
1107 | for (i = ind; (i < BOND_MAX_ARP_TARGETS-1) && targets[i+1]; i++) | |
1108 | targets_rx[i] = targets_rx[i+1]; | |
1109 | targets_rx[i] = 0; | |
1110 | } | |
1111 | for (i = ind; (i < BOND_MAX_ARP_TARGETS-1) && targets[i+1]; i++) | |
1112 | targets[i] = targets[i+1]; | |
1113 | targets[i] = 0; | |
1114 | ||
7f28fa10 | 1115 | return 0; |
1116 | } | |
1117 | ||
4fb0ef58 | 1118 | void bond_option_arp_ip_targets_clear(struct bonding *bond) |
7f28fa10 | 1119 | { |
4fb0ef58 | 1120 | int i; |
7f28fa10 | 1121 | |
7f28fa10 | 1122 | for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) |
1123 | _bond_options_arp_ip_target_set(bond, i, 0, 0); | |
4fb0ef58 | 1124 | } |
7f28fa10 | 1125 | |
f3253339 | 1126 | static int bond_option_arp_ip_targets_set(struct bonding *bond, |
28f084cc | 1127 | const struct bond_opt_value *newval) |
4fb0ef58 NA |
1128 | { |
1129 | int ret = -EPERM; | |
1130 | __be32 target; | |
1131 | ||
1132 | if (newval->string) { | |
1133 | if (!in4_pton(newval->string+1, -1, (u8 *)&target, -1, NULL)) { | |
2de390ba VF |
1134 | netdev_err(bond->dev, "invalid ARP target %pI4 specified\n", |
1135 | &target); | |
4fb0ef58 NA |
1136 | return ret; |
1137 | } | |
1138 | if (newval->string[0] == '+') | |
1139 | ret = bond_option_arp_ip_target_add(bond, target); | |
1140 | else if (newval->string[0] == '-') | |
1141 | ret = bond_option_arp_ip_target_rem(bond, target); | |
1142 | else | |
2de390ba | 1143 | netdev_err(bond->dev, "no command found in arp_ip_targets file - use +<addr> or -<addr>\n"); |
4fb0ef58 NA |
1144 | } else { |
1145 | target = newval->value; | |
1146 | ret = bond_option_arp_ip_target_add(bond, target); | |
7f28fa10 | 1147 | } |
1148 | ||
7f28fa10 | 1149 | return ret; |
1150 | } | |
29c49482 | 1151 | |
f3253339 | 1152 | static int bond_option_arp_validate_set(struct bonding *bond, |
28f084cc | 1153 | const struct bond_opt_value *newval) |
29c49482 | 1154 | { |
eac306b4 MD |
1155 | netdev_dbg(bond->dev, "Setting arp_validate to %s (%llu)\n", |
1156 | newval->string, newval->value); | |
16228881 | 1157 | bond->params.arp_validate = newval->value; |
29c49482 | 1158 | |
1159 | return 0; | |
1160 | } | |
d5c84254 | 1161 | |
f3253339 | 1162 | static int bond_option_arp_all_targets_set(struct bonding *bond, |
28f084cc | 1163 | const struct bond_opt_value *newval) |
d5c84254 | 1164 | { |
eac306b4 MD |
1165 | netdev_dbg(bond->dev, "Setting arp_all_targets to %s (%llu)\n", |
1166 | newval->string, newval->value); | |
edf36b24 | 1167 | bond->params.arp_all_targets = newval->value; |
d5c84254 | 1168 | |
1169 | return 0; | |
1170 | } | |
0a98a0d1 | 1171 | |
f3253339 | 1172 | static int bond_option_primary_set(struct bonding *bond, |
28f084cc | 1173 | const struct bond_opt_value *newval) |
0a98a0d1 | 1174 | { |
180222f0 | 1175 | char *p, *primary = newval->string; |
0a98a0d1 | 1176 | struct list_head *iter; |
1177 | struct slave *slave; | |
0a98a0d1 | 1178 | |
1179 | block_netpoll_tx(); | |
0a98a0d1 | 1180 | |
180222f0 NA |
1181 | p = strchr(primary, '\n'); |
1182 | if (p) | |
1183 | *p = '\0'; | |
0a98a0d1 | 1184 | /* check to see if we are clearing primary */ |
1185 | if (!strlen(primary)) { | |
eac306b4 | 1186 | netdev_dbg(bond->dev, "Setting primary slave to None\n"); |
059b47e8 | 1187 | RCU_INIT_POINTER(bond->primary_slave, NULL); |
0a98a0d1 | 1188 | memset(bond->params.primary, 0, sizeof(bond->params.primary)); |
1189 | bond_select_active_slave(bond); | |
1190 | goto out; | |
1191 | } | |
1192 | ||
1193 | bond_for_each_slave(bond, slave, iter) { | |
1194 | if (strncmp(slave->dev->name, primary, IFNAMSIZ) == 0) { | |
f887e54c | 1195 | slave_dbg(bond->dev, slave->dev, "Setting as primary slave\n"); |
059b47e8 | 1196 | rcu_assign_pointer(bond->primary_slave, slave); |
0a98a0d1 | 1197 | strcpy(bond->params.primary, slave->dev->name); |
eb55bbf8 | 1198 | bond->force_primary = true; |
0a98a0d1 | 1199 | bond_select_active_slave(bond); |
1200 | goto out; | |
1201 | } | |
1202 | } | |
1203 | ||
059b47e8 | 1204 | if (rtnl_dereference(bond->primary_slave)) { |
eac306b4 | 1205 | netdev_dbg(bond->dev, "Setting primary slave to None\n"); |
059b47e8 | 1206 | RCU_INIT_POINTER(bond->primary_slave, NULL); |
c59ab673 | 1207 | bond_select_active_slave(bond); |
1208 | } | |
0a98a0d1 | 1209 | strncpy(bond->params.primary, primary, IFNAMSIZ); |
1210 | bond->params.primary[IFNAMSIZ - 1] = 0; | |
1211 | ||
f887e54c JW |
1212 | netdev_dbg(bond->dev, "Recording %s as primary, but it has not been enslaved yet\n", |
1213 | primary); | |
0a98a0d1 | 1214 | |
1215 | out: | |
0a98a0d1 | 1216 | unblock_netpoll_tx(); |
1217 | ||
180222f0 | 1218 | return 0; |
0a98a0d1 | 1219 | } |
8a41ae44 | 1220 | |
f3253339 | 1221 | static int bond_option_primary_reselect_set(struct bonding *bond, |
28f084cc | 1222 | const struct bond_opt_value *newval) |
8a41ae44 | 1223 | { |
eac306b4 MD |
1224 | netdev_dbg(bond->dev, "Setting primary_reselect to %s (%llu)\n", |
1225 | newval->string, newval->value); | |
388d3a6d | 1226 | bond->params.primary_reselect = newval->value; |
8a41ae44 | 1227 | |
1228 | block_netpoll_tx(); | |
8a41ae44 | 1229 | bond_select_active_slave(bond); |
8a41ae44 | 1230 | unblock_netpoll_tx(); |
1231 | ||
1232 | return 0; | |
1233 | } | |
89901972 | 1234 | |
f3253339 | 1235 | static int bond_option_fail_over_mac_set(struct bonding *bond, |
28f084cc | 1236 | const struct bond_opt_value *newval) |
89901972 | 1237 | { |
eac306b4 MD |
1238 | netdev_dbg(bond->dev, "Setting fail_over_mac to %s (%llu)\n", |
1239 | newval->string, newval->value); | |
1df6b6aa | 1240 | bond->params.fail_over_mac = newval->value; |
89901972 | 1241 | |
1242 | return 0; | |
1243 | } | |
f70161c6 | 1244 | |
f3253339 | 1245 | static int bond_option_xmit_hash_policy_set(struct bonding *bond, |
28f084cc | 1246 | const struct bond_opt_value *newval) |
f70161c6 | 1247 | { |
eac306b4 MD |
1248 | netdev_dbg(bond->dev, "Setting xmit hash policy to %s (%llu)\n", |
1249 | newval->string, newval->value); | |
a4b32ce7 | 1250 | bond->params.xmit_policy = newval->value; |
f70161c6 | 1251 | |
89df6a81 TT |
1252 | if (bond->dev->reg_state == NETREG_REGISTERED) |
1253 | if (bond_set_tls_features(bond)) | |
1254 | netdev_update_features(bond->dev); | |
1255 | ||
f70161c6 | 1256 | return 0; |
1257 | } | |
d8838de7 | 1258 | |
f3253339 | 1259 | static int bond_option_resend_igmp_set(struct bonding *bond, |
28f084cc | 1260 | const struct bond_opt_value *newval) |
d8838de7 | 1261 | { |
eac306b4 MD |
1262 | netdev_dbg(bond->dev, "Setting resend_igmp to %llu\n", |
1263 | newval->value); | |
105c8fb6 | 1264 | bond->params.resend_igmp = newval->value; |
d8838de7 | 1265 | |
1266 | return 0; | |
1267 | } | |
2c9839c1 | 1268 | |
f3253339 | 1269 | static int bond_option_num_peer_notif_set(struct bonding *bond, |
28f084cc | 1270 | const struct bond_opt_value *newval) |
2c9839c1 | 1271 | { |
ef56becb NA |
1272 | bond->params.num_peer_notif = newval->value; |
1273 | ||
2c9839c1 | 1274 | return 0; |
1275 | } | |
1cc0b1e3 | 1276 | |
f3253339 | 1277 | static int bond_option_all_slaves_active_set(struct bonding *bond, |
28f084cc | 1278 | const struct bond_opt_value *newval) |
1cc0b1e3 | 1279 | { |
1280 | struct list_head *iter; | |
1281 | struct slave *slave; | |
1282 | ||
3df01162 | 1283 | if (newval->value == bond->params.all_slaves_active) |
1cc0b1e3 | 1284 | return 0; |
3df01162 | 1285 | bond->params.all_slaves_active = newval->value; |
1cc0b1e3 | 1286 | bond_for_each_slave(bond, slave, iter) { |
1287 | if (!bond_is_active_slave(slave)) { | |
3df01162 | 1288 | if (newval->value) |
1cc0b1e3 | 1289 | slave->inactive = 0; |
1290 | else | |
1291 | slave->inactive = 1; | |
1292 | } | |
1293 | } | |
1294 | ||
1295 | return 0; | |
1296 | } | |
7d101008 | 1297 | |
f3253339 | 1298 | static int bond_option_min_links_set(struct bonding *bond, |
28f084cc | 1299 | const struct bond_opt_value *newval) |
7d101008 | 1300 | { |
eac306b4 MD |
1301 | netdev_dbg(bond->dev, "Setting min links value to %llu\n", |
1302 | newval->value); | |
633ddc9e | 1303 | bond->params.min_links = newval->value; |
2477bc9a | 1304 | bond_set_carrier(bond); |
7d101008 | 1305 | |
1306 | return 0; | |
1307 | } | |
8d836d09 | 1308 | |
f3253339 | 1309 | static int bond_option_lp_interval_set(struct bonding *bond, |
28f084cc | 1310 | const struct bond_opt_value *newval) |
8d836d09 | 1311 | { |
4325b374 | 1312 | bond->params.lp_interval = newval->value; |
8d836d09 | 1313 | |
1314 | return 0; | |
1315 | } | |
c13ab3ff | 1316 | |
f3253339 | 1317 | static int bond_option_pps_set(struct bonding *bond, |
28f084cc | 1318 | const struct bond_opt_value *newval) |
c13ab3ff | 1319 | { |
eac306b4 MD |
1320 | netdev_dbg(bond->dev, "Setting packets per slave to %llu\n", |
1321 | newval->value); | |
aa59d851 NA |
1322 | bond->params.packets_per_slave = newval->value; |
1323 | if (newval->value > 0) { | |
809fa972 | 1324 | bond->params.reciprocal_packets_per_slave = |
aa59d851 | 1325 | reciprocal_value(newval->value); |
809fa972 HFS |
1326 | } else { |
1327 | /* reciprocal_packets_per_slave is unused if | |
1328 | * packets_per_slave is 0 or 1, just initialize it | |
1329 | */ | |
1330 | bond->params.reciprocal_packets_per_slave = | |
1331 | (struct reciprocal_value) { 0 }; | |
1332 | } | |
c13ab3ff | 1333 | |
1334 | return 0; | |
1335 | } | |
998e40bb | 1336 | |
f3253339 | 1337 | static int bond_option_lacp_rate_set(struct bonding *bond, |
28f084cc | 1338 | const struct bond_opt_value *newval) |
998e40bb | 1339 | { |
eac306b4 MD |
1340 | netdev_dbg(bond->dev, "Setting LACP rate to %s (%llu)\n", |
1341 | newval->string, newval->value); | |
d3131de7 | 1342 | bond->params.lacp_fast = newval->value; |
3243c47b | 1343 | bond_3ad_update_lacp_rate(bond); |
998e40bb | 1344 | |
1345 | return 0; | |
1346 | } | |
ec029fac | 1347 | |
f3253339 | 1348 | static int bond_option_ad_select_set(struct bonding *bond, |
28f084cc | 1349 | const struct bond_opt_value *newval) |
ec029fac | 1350 | { |
eac306b4 MD |
1351 | netdev_dbg(bond->dev, "Setting ad_select to %s (%llu)\n", |
1352 | newval->string, newval->value); | |
9e5f5eeb | 1353 | bond->params.ad_select = newval->value; |
ec029fac | 1354 | |
1355 | return 0; | |
1356 | } | |
24089ba1 | 1357 | |
f3253339 | 1358 | static int bond_option_queue_id_set(struct bonding *bond, |
28f084cc | 1359 | const struct bond_opt_value *newval) |
24089ba1 NA |
1360 | { |
1361 | struct slave *slave, *update_slave; | |
1362 | struct net_device *sdev; | |
1363 | struct list_head *iter; | |
1364 | char *delim; | |
1365 | int ret = 0; | |
1366 | u16 qid; | |
1367 | ||
1368 | /* delim will point to queue id if successful */ | |
1369 | delim = strchr(newval->string, ':'); | |
1370 | if (!delim) | |
1371 | goto err_no_cmd; | |
1372 | ||
1373 | /* Terminate string that points to device name and bump it | |
1374 | * up one, so we can read the queue id there. | |
1375 | */ | |
1376 | *delim = '\0'; | |
1377 | if (sscanf(++delim, "%hd\n", &qid) != 1) | |
1378 | goto err_no_cmd; | |
1379 | ||
1380 | /* Check buffer length, valid ifname and queue id */ | |
c313c89e | 1381 | if (!dev_valid_name(newval->string) || |
24089ba1 NA |
1382 | qid > bond->dev->real_num_tx_queues) |
1383 | goto err_no_cmd; | |
1384 | ||
1385 | /* Get the pointer to that interface if it exists */ | |
1386 | sdev = __dev_get_by_name(dev_net(bond->dev), newval->string); | |
1387 | if (!sdev) | |
1388 | goto err_no_cmd; | |
1389 | ||
1390 | /* Search for thes slave and check for duplicate qids */ | |
1391 | update_slave = NULL; | |
1392 | bond_for_each_slave(bond, slave, iter) { | |
1393 | if (sdev == slave->dev) | |
1394 | /* We don't need to check the matching | |
1395 | * slave for dups, since we're overwriting it | |
1396 | */ | |
1397 | update_slave = slave; | |
1398 | else if (qid && qid == slave->queue_id) { | |
1399 | goto err_no_cmd; | |
1400 | } | |
1401 | } | |
1402 | ||
1403 | if (!update_slave) | |
1404 | goto err_no_cmd; | |
1405 | ||
1406 | /* Actually set the qids for the slave */ | |
1407 | update_slave->queue_id = qid; | |
1408 | ||
1409 | out: | |
1410 | return ret; | |
1411 | ||
1412 | err_no_cmd: | |
eac306b4 | 1413 | netdev_dbg(bond->dev, "invalid input for queue_id set\n"); |
24089ba1 NA |
1414 | ret = -EPERM; |
1415 | goto out; | |
1416 | ||
1417 | } | |
0e2e5b66 | 1418 | |
f3253339 | 1419 | static int bond_option_slaves_set(struct bonding *bond, |
28f084cc | 1420 | const struct bond_opt_value *newval) |
0e2e5b66 NA |
1421 | { |
1422 | char command[IFNAMSIZ + 1] = { 0, }; | |
1423 | struct net_device *dev; | |
1424 | char *ifname; | |
1425 | int ret; | |
1426 | ||
1427 | sscanf(newval->string, "%16s", command); /* IFNAMSIZ*/ | |
1428 | ifname = command + 1; | |
1429 | if ((strlen(command) <= 1) || | |
415d3942 | 1430 | (command[0] != '+' && command[0] != '-') || |
0e2e5b66 NA |
1431 | !dev_valid_name(ifname)) |
1432 | goto err_no_cmd; | |
1433 | ||
1434 | dev = __dev_get_by_name(dev_net(bond->dev), ifname); | |
1435 | if (!dev) { | |
eac306b4 MD |
1436 | netdev_dbg(bond->dev, "interface %s does not exist!\n", |
1437 | ifname); | |
0e2e5b66 NA |
1438 | ret = -ENODEV; |
1439 | goto out; | |
1440 | } | |
1441 | ||
1442 | switch (command[0]) { | |
1443 | case '+': | |
f887e54c | 1444 | slave_dbg(bond->dev, dev, "Enslaving interface\n"); |
33eaf2a6 | 1445 | ret = bond_enslave(bond->dev, dev, NULL); |
0e2e5b66 NA |
1446 | break; |
1447 | ||
1448 | case '-': | |
f887e54c | 1449 | slave_dbg(bond->dev, dev, "Releasing interface\n"); |
0e2e5b66 NA |
1450 | ret = bond_release(bond->dev, dev); |
1451 | break; | |
1452 | ||
1453 | default: | |
415d3942 | 1454 | /* should not run here. */ |
0e2e5b66 NA |
1455 | goto err_no_cmd; |
1456 | } | |
1457 | ||
1458 | out: | |
1459 | return ret; | |
1460 | ||
1461 | err_no_cmd: | |
2de390ba | 1462 | netdev_err(bond->dev, "no command found in slaves file - use +ifname or -ifname\n"); |
0e2e5b66 NA |
1463 | ret = -EPERM; |
1464 | goto out; | |
1465 | } | |
e9f0fb88 MB |
1466 | |
1467 | static int bond_option_tlb_dynamic_lb_set(struct bonding *bond, | |
1468 | const struct bond_opt_value *newval) | |
1469 | { | |
eac306b4 MD |
1470 | netdev_dbg(bond->dev, "Setting dynamic-lb to %s (%llu)\n", |
1471 | newval->string, newval->value); | |
e9f0fb88 MB |
1472 | bond->params.tlb_dynamic_lb = newval->value; |
1473 | ||
1474 | return 0; | |
1475 | } | |
6791e466 MB |
1476 | |
1477 | static int bond_option_ad_actor_sys_prio_set(struct bonding *bond, | |
1478 | const struct bond_opt_value *newval) | |
1479 | { | |
eac306b4 MD |
1480 | netdev_dbg(bond->dev, "Setting ad_actor_sys_prio to %llu\n", |
1481 | newval->value); | |
6791e466 MB |
1482 | |
1483 | bond->params.ad_actor_sys_prio = newval->value; | |
5ee14e6d NA |
1484 | bond_3ad_update_ad_actor_settings(bond); |
1485 | ||
6791e466 MB |
1486 | return 0; |
1487 | } | |
74514957 MB |
1488 | |
1489 | static int bond_option_ad_actor_system_set(struct bonding *bond, | |
1490 | const struct bond_opt_value *newval) | |
1491 | { | |
1492 | u8 macaddr[ETH_ALEN]; | |
171a42c3 | 1493 | u8 *mac; |
74514957 | 1494 | |
171a42c3 | 1495 | if (newval->string) { |
ce5c144f | 1496 | if (!mac_pton(newval->string, macaddr)) |
171a42c3 AG |
1497 | goto err; |
1498 | mac = macaddr; | |
1499 | } else { | |
1500 | mac = (u8 *)&newval->value; | |
74514957 MB |
1501 | } |
1502 | ||
171a42c3 AG |
1503 | if (!is_valid_ether_addr(mac)) |
1504 | goto err; | |
1505 | ||
eac306b4 | 1506 | netdev_dbg(bond->dev, "Setting ad_actor_system to %pM\n", mac); |
171a42c3 | 1507 | ether_addr_copy(bond->params.ad_actor_system, mac); |
5ee14e6d NA |
1508 | bond_3ad_update_ad_actor_settings(bond); |
1509 | ||
74514957 | 1510 | return 0; |
171a42c3 AG |
1511 | |
1512 | err: | |
f887e54c | 1513 | netdev_err(bond->dev, "Invalid ad_actor_system MAC address.\n"); |
171a42c3 | 1514 | return -EINVAL; |
74514957 | 1515 | } |
d22a5fc0 MB |
1516 | |
1517 | static int bond_option_ad_user_port_key_set(struct bonding *bond, | |
1518 | const struct bond_opt_value *newval) | |
1519 | { | |
eac306b4 MD |
1520 | netdev_dbg(bond->dev, "Setting ad_user_port_key to %llu\n", |
1521 | newval->value); | |
d22a5fc0 MB |
1522 | |
1523 | bond->params.ad_user_port_key = newval->value; | |
1524 | return 0; | |
1525 | } |