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9a9f26e8 HV |
1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | ||
3 | #include <net/genetlink.h> | |
4 | ||
5 | #include <uapi/linux/mrp_bridge.h> | |
6 | #include "br_private.h" | |
7 | #include "br_private_mrp.h" | |
8 | ||
4d02b8f0 HV |
9 | static const struct nla_policy br_mrp_policy[IFLA_BRIDGE_MRP_MAX + 1] = { |
10 | [IFLA_BRIDGE_MRP_UNSPEC] = { .type = NLA_REJECT }, | |
20f6a05e HV |
11 | [IFLA_BRIDGE_MRP_INSTANCE] = { .type = NLA_NESTED }, |
12 | [IFLA_BRIDGE_MRP_PORT_STATE] = { .type = NLA_NESTED }, | |
13 | [IFLA_BRIDGE_MRP_PORT_ROLE] = { .type = NLA_NESTED }, | |
14 | [IFLA_BRIDGE_MRP_RING_STATE] = { .type = NLA_NESTED }, | |
15 | [IFLA_BRIDGE_MRP_RING_ROLE] = { .type = NLA_NESTED }, | |
16 | [IFLA_BRIDGE_MRP_START_TEST] = { .type = NLA_NESTED }, | |
7ab1748e HV |
17 | [IFLA_BRIDGE_MRP_IN_ROLE] = { .type = NLA_NESTED }, |
18 | [IFLA_BRIDGE_MRP_IN_STATE] = { .type = NLA_NESTED }, | |
19 | [IFLA_BRIDGE_MRP_START_IN_TEST] = { .type = NLA_NESTED }, | |
4d02b8f0 HV |
20 | }; |
21 | ||
20f6a05e HV |
22 | static const struct nla_policy |
23 | br_mrp_instance_policy[IFLA_BRIDGE_MRP_INSTANCE_MAX + 1] = { | |
24 | [IFLA_BRIDGE_MRP_INSTANCE_UNSPEC] = { .type = NLA_REJECT }, | |
25 | [IFLA_BRIDGE_MRP_INSTANCE_RING_ID] = { .type = NLA_U32 }, | |
26 | [IFLA_BRIDGE_MRP_INSTANCE_P_IFINDEX] = { .type = NLA_U32 }, | |
27 | [IFLA_BRIDGE_MRP_INSTANCE_S_IFINDEX] = { .type = NLA_U32 }, | |
4b3a61b0 | 28 | [IFLA_BRIDGE_MRP_INSTANCE_PRIO] = { .type = NLA_U16 }, |
20f6a05e HV |
29 | }; |
30 | ||
31 | static int br_mrp_instance_parse(struct net_bridge *br, struct nlattr *attr, | |
32 | int cmd, struct netlink_ext_ack *extack) | |
33 | { | |
34 | struct nlattr *tb[IFLA_BRIDGE_MRP_INSTANCE_MAX + 1]; | |
35 | struct br_mrp_instance inst; | |
36 | int err; | |
37 | ||
38 | err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_INSTANCE_MAX, attr, | |
39 | br_mrp_instance_policy, extack); | |
40 | if (err) | |
41 | return err; | |
42 | ||
43 | if (!tb[IFLA_BRIDGE_MRP_INSTANCE_RING_ID] || | |
44 | !tb[IFLA_BRIDGE_MRP_INSTANCE_P_IFINDEX] || | |
45 | !tb[IFLA_BRIDGE_MRP_INSTANCE_S_IFINDEX]) { | |
46 | NL_SET_ERR_MSG_MOD(extack, | |
47 | "Missing attribute: RING_ID or P_IFINDEX or S_IFINDEX"); | |
48 | return -EINVAL; | |
49 | } | |
50 | ||
51 | memset(&inst, 0, sizeof(inst)); | |
52 | ||
53 | inst.ring_id = nla_get_u32(tb[IFLA_BRIDGE_MRP_INSTANCE_RING_ID]); | |
54 | inst.p_ifindex = nla_get_u32(tb[IFLA_BRIDGE_MRP_INSTANCE_P_IFINDEX]); | |
55 | inst.s_ifindex = nla_get_u32(tb[IFLA_BRIDGE_MRP_INSTANCE_S_IFINDEX]); | |
4b3a61b0 HV |
56 | inst.prio = MRP_DEFAULT_PRIO; |
57 | ||
58 | if (tb[IFLA_BRIDGE_MRP_INSTANCE_PRIO]) | |
59 | inst.prio = nla_get_u16(tb[IFLA_BRIDGE_MRP_INSTANCE_PRIO]); | |
20f6a05e HV |
60 | |
61 | if (cmd == RTM_SETLINK) | |
62 | return br_mrp_add(br, &inst); | |
63 | else | |
64 | return br_mrp_del(br, &inst); | |
65 | ||
66 | return 0; | |
67 | } | |
68 | ||
69 | static const struct nla_policy | |
70 | br_mrp_port_state_policy[IFLA_BRIDGE_MRP_PORT_STATE_MAX + 1] = { | |
71 | [IFLA_BRIDGE_MRP_PORT_STATE_UNSPEC] = { .type = NLA_REJECT }, | |
72 | [IFLA_BRIDGE_MRP_PORT_STATE_STATE] = { .type = NLA_U32 }, | |
73 | }; | |
74 | ||
75 | static int br_mrp_port_state_parse(struct net_bridge_port *p, | |
76 | struct nlattr *attr, | |
77 | struct netlink_ext_ack *extack) | |
78 | { | |
79 | struct nlattr *tb[IFLA_BRIDGE_MRP_PORT_STATE_MAX + 1]; | |
80 | enum br_mrp_port_state_type state; | |
81 | int err; | |
82 | ||
83 | err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_PORT_STATE_MAX, attr, | |
84 | br_mrp_port_state_policy, extack); | |
85 | if (err) | |
86 | return err; | |
87 | ||
88 | if (!tb[IFLA_BRIDGE_MRP_PORT_STATE_STATE]) { | |
89 | NL_SET_ERR_MSG_MOD(extack, "Missing attribute: STATE"); | |
90 | return -EINVAL; | |
91 | } | |
92 | ||
93 | state = nla_get_u32(tb[IFLA_BRIDGE_MRP_PORT_STATE_STATE]); | |
94 | ||
95 | return br_mrp_set_port_state(p, state); | |
96 | } | |
97 | ||
98 | static const struct nla_policy | |
99 | br_mrp_port_role_policy[IFLA_BRIDGE_MRP_PORT_ROLE_MAX + 1] = { | |
100 | [IFLA_BRIDGE_MRP_PORT_ROLE_UNSPEC] = { .type = NLA_REJECT }, | |
101 | [IFLA_BRIDGE_MRP_PORT_ROLE_ROLE] = { .type = NLA_U32 }, | |
102 | }; | |
103 | ||
104 | static int br_mrp_port_role_parse(struct net_bridge_port *p, | |
105 | struct nlattr *attr, | |
106 | struct netlink_ext_ack *extack) | |
107 | { | |
108 | struct nlattr *tb[IFLA_BRIDGE_MRP_PORT_ROLE_MAX + 1]; | |
109 | enum br_mrp_port_role_type role; | |
110 | int err; | |
111 | ||
112 | err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_PORT_ROLE_MAX, attr, | |
113 | br_mrp_port_role_policy, extack); | |
114 | if (err) | |
115 | return err; | |
116 | ||
117 | if (!tb[IFLA_BRIDGE_MRP_PORT_ROLE_ROLE]) { | |
118 | NL_SET_ERR_MSG_MOD(extack, "Missing attribute: ROLE"); | |
119 | return -EINVAL; | |
120 | } | |
121 | ||
122 | role = nla_get_u32(tb[IFLA_BRIDGE_MRP_PORT_ROLE_ROLE]); | |
123 | ||
124 | return br_mrp_set_port_role(p, role); | |
125 | } | |
126 | ||
127 | static const struct nla_policy | |
128 | br_mrp_ring_state_policy[IFLA_BRIDGE_MRP_RING_STATE_MAX + 1] = { | |
129 | [IFLA_BRIDGE_MRP_RING_STATE_UNSPEC] = { .type = NLA_REJECT }, | |
130 | [IFLA_BRIDGE_MRP_RING_STATE_RING_ID] = { .type = NLA_U32 }, | |
131 | [IFLA_BRIDGE_MRP_RING_STATE_STATE] = { .type = NLA_U32 }, | |
132 | }; | |
133 | ||
134 | static int br_mrp_ring_state_parse(struct net_bridge *br, struct nlattr *attr, | |
135 | struct netlink_ext_ack *extack) | |
136 | { | |
137 | struct nlattr *tb[IFLA_BRIDGE_MRP_RING_STATE_MAX + 1]; | |
138 | struct br_mrp_ring_state state; | |
139 | int err; | |
140 | ||
141 | err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_RING_STATE_MAX, attr, | |
142 | br_mrp_ring_state_policy, extack); | |
143 | if (err) | |
144 | return err; | |
145 | ||
146 | if (!tb[IFLA_BRIDGE_MRP_RING_STATE_RING_ID] || | |
147 | !tb[IFLA_BRIDGE_MRP_RING_STATE_STATE]) { | |
148 | NL_SET_ERR_MSG_MOD(extack, | |
149 | "Missing attribute: RING_ID or STATE"); | |
150 | return -EINVAL; | |
151 | } | |
152 | ||
153 | memset(&state, 0x0, sizeof(state)); | |
154 | ||
155 | state.ring_id = nla_get_u32(tb[IFLA_BRIDGE_MRP_RING_STATE_RING_ID]); | |
156 | state.ring_state = nla_get_u32(tb[IFLA_BRIDGE_MRP_RING_STATE_STATE]); | |
157 | ||
158 | return br_mrp_set_ring_state(br, &state); | |
159 | } | |
160 | ||
161 | static const struct nla_policy | |
162 | br_mrp_ring_role_policy[IFLA_BRIDGE_MRP_RING_ROLE_MAX + 1] = { | |
163 | [IFLA_BRIDGE_MRP_RING_ROLE_UNSPEC] = { .type = NLA_REJECT }, | |
164 | [IFLA_BRIDGE_MRP_RING_ROLE_RING_ID] = { .type = NLA_U32 }, | |
165 | [IFLA_BRIDGE_MRP_RING_ROLE_ROLE] = { .type = NLA_U32 }, | |
166 | }; | |
167 | ||
168 | static int br_mrp_ring_role_parse(struct net_bridge *br, struct nlattr *attr, | |
169 | struct netlink_ext_ack *extack) | |
170 | { | |
171 | struct nlattr *tb[IFLA_BRIDGE_MRP_RING_ROLE_MAX + 1]; | |
172 | struct br_mrp_ring_role role; | |
173 | int err; | |
174 | ||
175 | err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_RING_ROLE_MAX, attr, | |
176 | br_mrp_ring_role_policy, extack); | |
177 | if (err) | |
178 | return err; | |
179 | ||
180 | if (!tb[IFLA_BRIDGE_MRP_RING_ROLE_RING_ID] || | |
181 | !tb[IFLA_BRIDGE_MRP_RING_ROLE_ROLE]) { | |
182 | NL_SET_ERR_MSG_MOD(extack, | |
183 | "Missing attribute: RING_ID or ROLE"); | |
184 | return -EINVAL; | |
185 | } | |
186 | ||
187 | memset(&role, 0x0, sizeof(role)); | |
188 | ||
189 | role.ring_id = nla_get_u32(tb[IFLA_BRIDGE_MRP_RING_ROLE_RING_ID]); | |
190 | role.ring_role = nla_get_u32(tb[IFLA_BRIDGE_MRP_RING_ROLE_ROLE]); | |
191 | ||
192 | return br_mrp_set_ring_role(br, &role); | |
193 | } | |
194 | ||
195 | static const struct nla_policy | |
196 | br_mrp_start_test_policy[IFLA_BRIDGE_MRP_START_TEST_MAX + 1] = { | |
197 | [IFLA_BRIDGE_MRP_START_TEST_UNSPEC] = { .type = NLA_REJECT }, | |
198 | [IFLA_BRIDGE_MRP_START_TEST_RING_ID] = { .type = NLA_U32 }, | |
199 | [IFLA_BRIDGE_MRP_START_TEST_INTERVAL] = { .type = NLA_U32 }, | |
200 | [IFLA_BRIDGE_MRP_START_TEST_MAX_MISS] = { .type = NLA_U32 }, | |
201 | [IFLA_BRIDGE_MRP_START_TEST_PERIOD] = { .type = NLA_U32 }, | |
c6676e7d | 202 | [IFLA_BRIDGE_MRP_START_TEST_MONITOR] = { .type = NLA_U32 }, |
20f6a05e HV |
203 | }; |
204 | ||
205 | static int br_mrp_start_test_parse(struct net_bridge *br, struct nlattr *attr, | |
206 | struct netlink_ext_ack *extack) | |
207 | { | |
208 | struct nlattr *tb[IFLA_BRIDGE_MRP_START_TEST_MAX + 1]; | |
209 | struct br_mrp_start_test test; | |
210 | int err; | |
211 | ||
212 | err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_START_TEST_MAX, attr, | |
213 | br_mrp_start_test_policy, extack); | |
214 | if (err) | |
215 | return err; | |
216 | ||
217 | if (!tb[IFLA_BRIDGE_MRP_START_TEST_RING_ID] || | |
218 | !tb[IFLA_BRIDGE_MRP_START_TEST_INTERVAL] || | |
219 | !tb[IFLA_BRIDGE_MRP_START_TEST_MAX_MISS] || | |
220 | !tb[IFLA_BRIDGE_MRP_START_TEST_PERIOD]) { | |
221 | NL_SET_ERR_MSG_MOD(extack, | |
222 | "Missing attribute: RING_ID or INTERVAL or MAX_MISS or PERIOD"); | |
223 | return -EINVAL; | |
224 | } | |
225 | ||
226 | memset(&test, 0x0, sizeof(test)); | |
227 | ||
228 | test.ring_id = nla_get_u32(tb[IFLA_BRIDGE_MRP_START_TEST_RING_ID]); | |
229 | test.interval = nla_get_u32(tb[IFLA_BRIDGE_MRP_START_TEST_INTERVAL]); | |
230 | test.max_miss = nla_get_u32(tb[IFLA_BRIDGE_MRP_START_TEST_MAX_MISS]); | |
231 | test.period = nla_get_u32(tb[IFLA_BRIDGE_MRP_START_TEST_PERIOD]); | |
c6676e7d HV |
232 | test.monitor = false; |
233 | ||
234 | if (tb[IFLA_BRIDGE_MRP_START_TEST_MONITOR]) | |
235 | test.monitor = | |
236 | nla_get_u32(tb[IFLA_BRIDGE_MRP_START_TEST_MONITOR]); | |
20f6a05e HV |
237 | |
238 | return br_mrp_start_test(br, &test); | |
239 | } | |
240 | ||
7ab1748e HV |
241 | static const struct nla_policy |
242 | br_mrp_in_state_policy[IFLA_BRIDGE_MRP_IN_STATE_MAX + 1] = { | |
243 | [IFLA_BRIDGE_MRP_IN_STATE_UNSPEC] = { .type = NLA_REJECT }, | |
244 | [IFLA_BRIDGE_MRP_IN_STATE_IN_ID] = { .type = NLA_U32 }, | |
245 | [IFLA_BRIDGE_MRP_IN_STATE_STATE] = { .type = NLA_U32 }, | |
246 | }; | |
247 | ||
248 | static int br_mrp_in_state_parse(struct net_bridge *br, struct nlattr *attr, | |
249 | struct netlink_ext_ack *extack) | |
250 | { | |
251 | struct nlattr *tb[IFLA_BRIDGE_MRP_IN_STATE_MAX + 1]; | |
252 | struct br_mrp_in_state state; | |
253 | int err; | |
254 | ||
255 | err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_IN_STATE_MAX, attr, | |
256 | br_mrp_in_state_policy, extack); | |
257 | if (err) | |
258 | return err; | |
259 | ||
260 | if (!tb[IFLA_BRIDGE_MRP_IN_STATE_IN_ID] || | |
261 | !tb[IFLA_BRIDGE_MRP_IN_STATE_STATE]) { | |
262 | NL_SET_ERR_MSG_MOD(extack, | |
263 | "Missing attribute: IN_ID or STATE"); | |
264 | return -EINVAL; | |
265 | } | |
266 | ||
267 | memset(&state, 0x0, sizeof(state)); | |
268 | ||
269 | state.in_id = nla_get_u32(tb[IFLA_BRIDGE_MRP_IN_STATE_IN_ID]); | |
270 | state.in_state = nla_get_u32(tb[IFLA_BRIDGE_MRP_IN_STATE_STATE]); | |
271 | ||
272 | return br_mrp_set_in_state(br, &state); | |
273 | } | |
274 | ||
275 | static const struct nla_policy | |
276 | br_mrp_in_role_policy[IFLA_BRIDGE_MRP_IN_ROLE_MAX + 1] = { | |
277 | [IFLA_BRIDGE_MRP_IN_ROLE_UNSPEC] = { .type = NLA_REJECT }, | |
278 | [IFLA_BRIDGE_MRP_IN_ROLE_RING_ID] = { .type = NLA_U32 }, | |
279 | [IFLA_BRIDGE_MRP_IN_ROLE_IN_ID] = { .type = NLA_U16 }, | |
280 | [IFLA_BRIDGE_MRP_IN_ROLE_ROLE] = { .type = NLA_U32 }, | |
281 | [IFLA_BRIDGE_MRP_IN_ROLE_I_IFINDEX] = { .type = NLA_U32 }, | |
282 | }; | |
283 | ||
284 | static int br_mrp_in_role_parse(struct net_bridge *br, struct nlattr *attr, | |
285 | struct netlink_ext_ack *extack) | |
286 | { | |
287 | struct nlattr *tb[IFLA_BRIDGE_MRP_IN_ROLE_MAX + 1]; | |
288 | struct br_mrp_in_role role; | |
289 | int err; | |
290 | ||
291 | err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_IN_ROLE_MAX, attr, | |
292 | br_mrp_in_role_policy, extack); | |
293 | if (err) | |
294 | return err; | |
295 | ||
296 | if (!tb[IFLA_BRIDGE_MRP_IN_ROLE_RING_ID] || | |
297 | !tb[IFLA_BRIDGE_MRP_IN_ROLE_IN_ID] || | |
298 | !tb[IFLA_BRIDGE_MRP_IN_ROLE_I_IFINDEX] || | |
299 | !tb[IFLA_BRIDGE_MRP_IN_ROLE_ROLE]) { | |
300 | NL_SET_ERR_MSG_MOD(extack, | |
301 | "Missing attribute: RING_ID or ROLE or IN_ID or I_IFINDEX"); | |
302 | return -EINVAL; | |
303 | } | |
304 | ||
305 | memset(&role, 0x0, sizeof(role)); | |
306 | ||
307 | role.ring_id = nla_get_u32(tb[IFLA_BRIDGE_MRP_IN_ROLE_RING_ID]); | |
308 | role.in_id = nla_get_u16(tb[IFLA_BRIDGE_MRP_IN_ROLE_IN_ID]); | |
309 | role.i_ifindex = nla_get_u32(tb[IFLA_BRIDGE_MRP_IN_ROLE_I_IFINDEX]); | |
310 | role.in_role = nla_get_u32(tb[IFLA_BRIDGE_MRP_IN_ROLE_ROLE]); | |
311 | ||
312 | return br_mrp_set_in_role(br, &role); | |
313 | } | |
314 | ||
315 | static const struct nla_policy | |
316 | br_mrp_start_in_test_policy[IFLA_BRIDGE_MRP_START_IN_TEST_MAX + 1] = { | |
317 | [IFLA_BRIDGE_MRP_START_IN_TEST_UNSPEC] = { .type = NLA_REJECT }, | |
318 | [IFLA_BRIDGE_MRP_START_IN_TEST_IN_ID] = { .type = NLA_U32 }, | |
319 | [IFLA_BRIDGE_MRP_START_IN_TEST_INTERVAL] = { .type = NLA_U32 }, | |
320 | [IFLA_BRIDGE_MRP_START_IN_TEST_MAX_MISS] = { .type = NLA_U32 }, | |
321 | [IFLA_BRIDGE_MRP_START_IN_TEST_PERIOD] = { .type = NLA_U32 }, | |
322 | }; | |
323 | ||
324 | static int br_mrp_start_in_test_parse(struct net_bridge *br, | |
325 | struct nlattr *attr, | |
326 | struct netlink_ext_ack *extack) | |
327 | { | |
328 | struct nlattr *tb[IFLA_BRIDGE_MRP_START_IN_TEST_MAX + 1]; | |
329 | struct br_mrp_start_in_test test; | |
330 | int err; | |
331 | ||
332 | err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_START_IN_TEST_MAX, attr, | |
333 | br_mrp_start_in_test_policy, extack); | |
334 | if (err) | |
335 | return err; | |
336 | ||
337 | if (!tb[IFLA_BRIDGE_MRP_START_IN_TEST_IN_ID] || | |
338 | !tb[IFLA_BRIDGE_MRP_START_IN_TEST_INTERVAL] || | |
339 | !tb[IFLA_BRIDGE_MRP_START_IN_TEST_MAX_MISS] || | |
340 | !tb[IFLA_BRIDGE_MRP_START_IN_TEST_PERIOD]) { | |
341 | NL_SET_ERR_MSG_MOD(extack, | |
342 | "Missing attribute: RING_ID or INTERVAL or MAX_MISS or PERIOD"); | |
343 | return -EINVAL; | |
344 | } | |
345 | ||
346 | memset(&test, 0x0, sizeof(test)); | |
347 | ||
348 | test.in_id = nla_get_u32(tb[IFLA_BRIDGE_MRP_START_IN_TEST_IN_ID]); | |
349 | test.interval = nla_get_u32(tb[IFLA_BRIDGE_MRP_START_IN_TEST_INTERVAL]); | |
350 | test.max_miss = nla_get_u32(tb[IFLA_BRIDGE_MRP_START_IN_TEST_MAX_MISS]); | |
351 | test.period = nla_get_u32(tb[IFLA_BRIDGE_MRP_START_IN_TEST_PERIOD]); | |
352 | ||
353 | return br_mrp_start_in_test(br, &test); | |
354 | } | |
355 | ||
4d02b8f0 HV |
356 | int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, |
357 | struct nlattr *attr, int cmd, struct netlink_ext_ack *extack) | |
358 | { | |
359 | struct nlattr *tb[IFLA_BRIDGE_MRP_MAX + 1]; | |
360 | int err; | |
361 | ||
617504c6 HV |
362 | /* When this function is called for a port then the br pointer is |
363 | * invalid, therefor set the br to point correctly | |
364 | */ | |
365 | if (p) | |
366 | br = p->br; | |
367 | ||
4d02b8f0 | 368 | if (br->stp_enabled != BR_NO_STP) { |
c75a33c8 | 369 | NL_SET_ERR_MSG_MOD(extack, "MRP can't be enabled if STP is already enabled"); |
4d02b8f0 HV |
370 | return -EINVAL; |
371 | } | |
372 | ||
373 | err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_MAX, attr, | |
374 | br_mrp_policy, extack); | |
375 | if (err) | |
376 | return err; | |
377 | ||
378 | if (tb[IFLA_BRIDGE_MRP_INSTANCE]) { | |
20f6a05e HV |
379 | err = br_mrp_instance_parse(br, tb[IFLA_BRIDGE_MRP_INSTANCE], |
380 | cmd, extack); | |
4d02b8f0 HV |
381 | if (err) |
382 | return err; | |
383 | } | |
384 | ||
385 | if (tb[IFLA_BRIDGE_MRP_PORT_STATE]) { | |
20f6a05e HV |
386 | err = br_mrp_port_state_parse(p, tb[IFLA_BRIDGE_MRP_PORT_STATE], |
387 | extack); | |
4d02b8f0 HV |
388 | if (err) |
389 | return err; | |
390 | } | |
391 | ||
392 | if (tb[IFLA_BRIDGE_MRP_PORT_ROLE]) { | |
20f6a05e HV |
393 | err = br_mrp_port_role_parse(p, tb[IFLA_BRIDGE_MRP_PORT_ROLE], |
394 | extack); | |
4d02b8f0 HV |
395 | if (err) |
396 | return err; | |
397 | } | |
398 | ||
399 | if (tb[IFLA_BRIDGE_MRP_RING_STATE]) { | |
20f6a05e HV |
400 | err = br_mrp_ring_state_parse(br, |
401 | tb[IFLA_BRIDGE_MRP_RING_STATE], | |
402 | extack); | |
4d02b8f0 HV |
403 | if (err) |
404 | return err; | |
405 | } | |
406 | ||
407 | if (tb[IFLA_BRIDGE_MRP_RING_ROLE]) { | |
20f6a05e HV |
408 | err = br_mrp_ring_role_parse(br, tb[IFLA_BRIDGE_MRP_RING_ROLE], |
409 | extack); | |
4d02b8f0 HV |
410 | if (err) |
411 | return err; | |
412 | } | |
413 | ||
414 | if (tb[IFLA_BRIDGE_MRP_START_TEST]) { | |
20f6a05e HV |
415 | err = br_mrp_start_test_parse(br, |
416 | tb[IFLA_BRIDGE_MRP_START_TEST], | |
417 | extack); | |
4d02b8f0 HV |
418 | if (err) |
419 | return err; | |
420 | } | |
421 | ||
7ab1748e HV |
422 | if (tb[IFLA_BRIDGE_MRP_IN_STATE]) { |
423 | err = br_mrp_in_state_parse(br, tb[IFLA_BRIDGE_MRP_IN_STATE], | |
424 | extack); | |
425 | if (err) | |
426 | return err; | |
427 | } | |
428 | ||
429 | if (tb[IFLA_BRIDGE_MRP_IN_ROLE]) { | |
430 | err = br_mrp_in_role_parse(br, tb[IFLA_BRIDGE_MRP_IN_ROLE], | |
431 | extack); | |
432 | if (err) | |
433 | return err; | |
434 | } | |
435 | ||
436 | if (tb[IFLA_BRIDGE_MRP_START_IN_TEST]) { | |
437 | err = br_mrp_start_in_test_parse(br, | |
438 | tb[IFLA_BRIDGE_MRP_START_IN_TEST], | |
439 | extack); | |
440 | if (err) | |
441 | return err; | |
442 | } | |
443 | ||
4d02b8f0 HV |
444 | return 0; |
445 | } | |
446 | ||
df42ef22 HV |
447 | int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) |
448 | { | |
449 | struct nlattr *tb, *mrp_tb; | |
450 | struct br_mrp *mrp; | |
451 | ||
452 | mrp_tb = nla_nest_start_noflag(skb, IFLA_BRIDGE_MRP); | |
453 | if (!mrp_tb) | |
454 | return -EMSGSIZE; | |
455 | ||
456 | list_for_each_entry_rcu(mrp, &br->mrp_list, list) { | |
457 | struct net_bridge_port *p; | |
458 | ||
459 | tb = nla_nest_start_noflag(skb, IFLA_BRIDGE_MRP_INFO); | |
460 | if (!tb) | |
461 | goto nla_info_failure; | |
462 | ||
463 | if (nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_RING_ID, | |
464 | mrp->ring_id)) | |
465 | goto nla_put_failure; | |
466 | ||
467 | p = rcu_dereference(mrp->p_port); | |
468 | if (p && nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_P_IFINDEX, | |
469 | p->dev->ifindex)) | |
470 | goto nla_put_failure; | |
471 | ||
472 | p = rcu_dereference(mrp->s_port); | |
473 | if (p && nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_S_IFINDEX, | |
474 | p->dev->ifindex)) | |
475 | goto nla_put_failure; | |
476 | ||
4fc4871f HV |
477 | p = rcu_dereference(mrp->i_port); |
478 | if (p && nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_I_IFINDEX, | |
479 | p->dev->ifindex)) | |
480 | goto nla_put_failure; | |
481 | ||
df42ef22 HV |
482 | if (nla_put_u16(skb, IFLA_BRIDGE_MRP_INFO_PRIO, |
483 | mrp->prio)) | |
484 | goto nla_put_failure; | |
485 | if (nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_RING_STATE, | |
486 | mrp->ring_state)) | |
487 | goto nla_put_failure; | |
488 | if (nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_RING_ROLE, | |
489 | mrp->ring_role)) | |
490 | goto nla_put_failure; | |
491 | if (nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_TEST_INTERVAL, | |
492 | mrp->test_interval)) | |
493 | goto nla_put_failure; | |
494 | if (nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_TEST_MAX_MISS, | |
495 | mrp->test_max_miss)) | |
496 | goto nla_put_failure; | |
497 | if (nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_TEST_MONITOR, | |
498 | mrp->test_monitor)) | |
499 | goto nla_put_failure; | |
500 | ||
4fc4871f HV |
501 | if (nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_IN_STATE, |
502 | mrp->in_state)) | |
503 | goto nla_put_failure; | |
504 | if (nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_IN_ROLE, | |
505 | mrp->in_role)) | |
506 | goto nla_put_failure; | |
507 | if (nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_IN_TEST_INTERVAL, | |
508 | mrp->in_test_interval)) | |
509 | goto nla_put_failure; | |
510 | if (nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_IN_TEST_MAX_MISS, | |
511 | mrp->in_test_max_miss)) | |
512 | goto nla_put_failure; | |
513 | ||
df42ef22 HV |
514 | nla_nest_end(skb, tb); |
515 | } | |
516 | nla_nest_end(skb, mrp_tb); | |
517 | ||
518 | return 0; | |
519 | ||
520 | nla_put_failure: | |
521 | nla_nest_cancel(skb, tb); | |
522 | ||
523 | nla_info_failure: | |
524 | nla_nest_cancel(skb, mrp_tb); | |
525 | ||
526 | return -EMSGSIZE; | |
527 | } | |
528 | ||
4cc625c6 | 529 | int br_mrp_ring_port_open(struct net_device *dev, u8 loc) |
9a9f26e8 HV |
530 | { |
531 | struct net_bridge_port *p; | |
532 | int err = 0; | |
533 | ||
534 | p = br_port_get_rcu(dev); | |
535 | if (!p) { | |
536 | err = -EINVAL; | |
537 | goto out; | |
538 | } | |
539 | ||
540 | if (loc) | |
541 | p->flags |= BR_MRP_LOST_CONT; | |
542 | else | |
543 | p->flags &= ~BR_MRP_LOST_CONT; | |
544 | ||
545 | br_ifinfo_notify(RTM_NEWLINK, NULL, p); | |
546 | ||
547 | out: | |
548 | return err; | |
549 | } | |
4139d4b5 HV |
550 | |
551 | int br_mrp_in_port_open(struct net_device *dev, u8 loc) | |
552 | { | |
553 | struct net_bridge_port *p; | |
554 | int err = 0; | |
555 | ||
556 | p = br_port_get_rcu(dev); | |
557 | if (!p) { | |
558 | err = -EINVAL; | |
559 | goto out; | |
560 | } | |
561 | ||
562 | if (loc) | |
563 | p->flags |= BR_MRP_LOST_IN_CONT; | |
564 | else | |
565 | p->flags &= ~BR_MRP_LOST_IN_CONT; | |
566 | ||
567 | br_ifinfo_notify(RTM_NEWLINK, NULL, p); | |
568 | ||
569 | out: | |
570 | return err; | |
571 | } |