1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Bridge netlink control interface
6 * Stephen Hemminger <shemminger@osdl.org>
9 #include <linux/kernel.h>
10 #include <linux/slab.h>
11 #include <linux/etherdevice.h>
12 #include <net/rtnetlink.h>
13 #include <net/net_namespace.h>
15 #include <uapi/linux/if_bridge.h>
17 #include "br_private.h"
18 #include "br_private_stp.h"
19 #include "br_private_cfm.h"
20 #include "br_private_tunnel.h"
21 #include "br_private_mcast_eht.h"
23 static int __get_num_vlan_infos(struct net_bridge_vlan_group
*vg
,
26 struct net_bridge_vlan
*v
;
27 u16 vid_range_start
= 0, vid_range_end
= 0, vid_range_flags
= 0;
31 if (!(filter_mask
& RTEXT_FILTER_BRVLAN_COMPRESSED
))
34 pvid
= br_get_pvid(vg
);
35 /* Count number of vlan infos */
36 list_for_each_entry_rcu(v
, &vg
->vlan_list
, vlist
) {
38 /* only a context, bridge vlan not activated */
39 if (!br_vlan_should_use(v
))
42 flags
|= BRIDGE_VLAN_INFO_PVID
;
44 if (v
->flags
& BRIDGE_VLAN_INFO_UNTAGGED
)
45 flags
|= BRIDGE_VLAN_INFO_UNTAGGED
;
47 if (vid_range_start
== 0) {
49 } else if ((v
->vid
- vid_range_end
) == 1 &&
50 flags
== vid_range_flags
) {
51 vid_range_end
= v
->vid
;
54 if ((vid_range_end
- vid_range_start
) > 0)
60 vid_range_start
= v
->vid
;
61 vid_range_end
= v
->vid
;
62 vid_range_flags
= flags
;
65 if (vid_range_start
!= 0) {
66 if ((vid_range_end
- vid_range_start
) > 0)
75 static int br_get_num_vlan_infos(struct net_bridge_vlan_group
*vg
,
83 if (filter_mask
& RTEXT_FILTER_BRVLAN
)
87 num_vlans
= __get_num_vlan_infos(vg
, filter_mask
);
93 static size_t br_get_link_af_size_filtered(const struct net_device
*dev
,
96 struct net_bridge_vlan_group
*vg
= NULL
;
97 struct net_bridge_port
*p
= NULL
;
98 struct net_bridge
*br
= NULL
;
99 u32 num_cfm_peer_mep_infos
;
100 u32 num_cfm_mep_infos
;
105 if (netif_is_bridge_port(dev
)) {
106 p
= br_port_get_check_rcu(dev
);
108 vg
= nbp_vlan_group_rcu(p
);
109 } else if (dev
->priv_flags
& IFF_EBRIDGE
) {
110 br
= netdev_priv(dev
);
111 vg
= br_vlan_group_rcu(br
);
113 num_vlan_infos
= br_get_num_vlan_infos(vg
, filter_mask
);
116 if (p
&& (p
->flags
& BR_VLAN_TUNNEL
))
117 vinfo_sz
+= br_get_vlan_tunnel_info_size(vg
);
119 /* Each VLAN is returned in bridge_vlan_info along with flags */
120 vinfo_sz
+= num_vlan_infos
* nla_total_size(sizeof(struct bridge_vlan_info
));
122 if (!(filter_mask
& RTEXT_FILTER_CFM_STATUS
))
128 /* CFM status info must be added */
129 br_cfm_mep_count(br
, &num_cfm_mep_infos
);
130 br_cfm_peer_mep_count(br
, &num_cfm_peer_mep_infos
);
132 vinfo_sz
+= nla_total_size(0); /* IFLA_BRIDGE_CFM */
133 /* For each status struct the MEP instance (u32) is added */
134 /* MEP instance (u32) + br_cfm_mep_status */
135 vinfo_sz
+= num_cfm_mep_infos
*
136 /*IFLA_BRIDGE_CFM_MEP_STATUS_INSTANCE */
137 (nla_total_size(sizeof(u32
))
138 /* IFLA_BRIDGE_CFM_MEP_STATUS_OPCODE_UNEXP_SEEN */
139 + nla_total_size(sizeof(u32
))
140 /* IFLA_BRIDGE_CFM_MEP_STATUS_VERSION_UNEXP_SEEN */
141 + nla_total_size(sizeof(u32
))
142 /* IFLA_BRIDGE_CFM_MEP_STATUS_RX_LEVEL_LOW_SEEN */
143 + nla_total_size(sizeof(u32
)));
144 /* MEP instance (u32) + br_cfm_cc_peer_status */
145 vinfo_sz
+= num_cfm_peer_mep_infos
*
146 /* IFLA_BRIDGE_CFM_CC_PEER_STATUS_INSTANCE */
147 (nla_total_size(sizeof(u32
))
148 /* IFLA_BRIDGE_CFM_CC_PEER_STATUS_PEER_MEPID */
149 + nla_total_size(sizeof(u32
))
150 /* IFLA_BRIDGE_CFM_CC_PEER_STATUS_CCM_DEFECT */
151 + nla_total_size(sizeof(u32
))
152 /* IFLA_BRIDGE_CFM_CC_PEER_STATUS_RDI */
153 + nla_total_size(sizeof(u32
))
154 /* IFLA_BRIDGE_CFM_CC_PEER_STATUS_PORT_TLV_VALUE */
155 + nla_total_size(sizeof(u8
))
156 /* IFLA_BRIDGE_CFM_CC_PEER_STATUS_IF_TLV_VALUE */
157 + nla_total_size(sizeof(u8
))
158 /* IFLA_BRIDGE_CFM_CC_PEER_STATUS_SEEN */
159 + nla_total_size(sizeof(u32
))
160 /* IFLA_BRIDGE_CFM_CC_PEER_STATUS_TLV_SEEN */
161 + nla_total_size(sizeof(u32
))
162 /* IFLA_BRIDGE_CFM_CC_PEER_STATUS_SEQ_UNEXP_SEEN */
163 + nla_total_size(sizeof(u32
)));
168 static inline size_t br_port_info_size(void)
170 return nla_total_size(1) /* IFLA_BRPORT_STATE */
171 + nla_total_size(2) /* IFLA_BRPORT_PRIORITY */
172 + nla_total_size(4) /* IFLA_BRPORT_COST */
173 + nla_total_size(1) /* IFLA_BRPORT_MODE */
174 + nla_total_size(1) /* IFLA_BRPORT_GUARD */
175 + nla_total_size(1) /* IFLA_BRPORT_PROTECT */
176 + nla_total_size(1) /* IFLA_BRPORT_FAST_LEAVE */
177 + nla_total_size(1) /* IFLA_BRPORT_MCAST_TO_UCAST */
178 + nla_total_size(1) /* IFLA_BRPORT_LEARNING */
179 + nla_total_size(1) /* IFLA_BRPORT_UNICAST_FLOOD */
180 + nla_total_size(1) /* IFLA_BRPORT_MCAST_FLOOD */
181 + nla_total_size(1) /* IFLA_BRPORT_BCAST_FLOOD */
182 + nla_total_size(1) /* IFLA_BRPORT_PROXYARP */
183 + nla_total_size(1) /* IFLA_BRPORT_PROXYARP_WIFI */
184 + nla_total_size(1) /* IFLA_BRPORT_VLAN_TUNNEL */
185 + nla_total_size(1) /* IFLA_BRPORT_NEIGH_SUPPRESS */
186 + nla_total_size(1) /* IFLA_BRPORT_ISOLATED */
187 + nla_total_size(sizeof(struct ifla_bridge_id
)) /* IFLA_BRPORT_ROOT_ID */
188 + nla_total_size(sizeof(struct ifla_bridge_id
)) /* IFLA_BRPORT_BRIDGE_ID */
189 + nla_total_size(sizeof(u16
)) /* IFLA_BRPORT_DESIGNATED_PORT */
190 + nla_total_size(sizeof(u16
)) /* IFLA_BRPORT_DESIGNATED_COST */
191 + nla_total_size(sizeof(u16
)) /* IFLA_BRPORT_ID */
192 + nla_total_size(sizeof(u16
)) /* IFLA_BRPORT_NO */
193 + nla_total_size(sizeof(u8
)) /* IFLA_BRPORT_TOPOLOGY_CHANGE_ACK */
194 + nla_total_size(sizeof(u8
)) /* IFLA_BRPORT_CONFIG_PENDING */
195 + nla_total_size_64bit(sizeof(u64
)) /* IFLA_BRPORT_MESSAGE_AGE_TIMER */
196 + nla_total_size_64bit(sizeof(u64
)) /* IFLA_BRPORT_FORWARD_DELAY_TIMER */
197 + nla_total_size_64bit(sizeof(u64
)) /* IFLA_BRPORT_HOLD_TIMER */
198 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
199 + nla_total_size(sizeof(u8
)) /* IFLA_BRPORT_MULTICAST_ROUTER */
201 + nla_total_size(sizeof(u16
)) /* IFLA_BRPORT_GROUP_FWD_MASK */
202 + nla_total_size(sizeof(u8
)) /* IFLA_BRPORT_MRP_RING_OPEN */
203 + nla_total_size(sizeof(u8
)) /* IFLA_BRPORT_MRP_IN_OPEN */
204 + nla_total_size(sizeof(u32
)) /* IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT */
205 + nla_total_size(sizeof(u32
)) /* IFLA_BRPORT_MCAST_EHT_HOSTS_CNT */
209 static inline size_t br_nlmsg_size(struct net_device
*dev
, u32 filter_mask
)
211 return NLMSG_ALIGN(sizeof(struct ifinfomsg
))
212 + nla_total_size(IFNAMSIZ
) /* IFLA_IFNAME */
213 + nla_total_size(MAX_ADDR_LEN
) /* IFLA_ADDRESS */
214 + nla_total_size(4) /* IFLA_MASTER */
215 + nla_total_size(4) /* IFLA_MTU */
216 + nla_total_size(4) /* IFLA_LINK */
217 + nla_total_size(1) /* IFLA_OPERSTATE */
218 + nla_total_size(br_port_info_size()) /* IFLA_PROTINFO */
219 + nla_total_size(br_get_link_af_size_filtered(dev
,
220 filter_mask
)) /* IFLA_AF_SPEC */
221 + nla_total_size(4); /* IFLA_BRPORT_BACKUP_PORT */
224 static int br_port_fill_attrs(struct sk_buff
*skb
,
225 const struct net_bridge_port
*p
)
227 u8 mode
= !!(p
->flags
& BR_HAIRPIN_MODE
);
228 struct net_bridge_port
*backup_p
;
231 if (nla_put_u8(skb
, IFLA_BRPORT_STATE
, p
->state
) ||
232 nla_put_u16(skb
, IFLA_BRPORT_PRIORITY
, p
->priority
) ||
233 nla_put_u32(skb
, IFLA_BRPORT_COST
, p
->path_cost
) ||
234 nla_put_u8(skb
, IFLA_BRPORT_MODE
, mode
) ||
235 nla_put_u8(skb
, IFLA_BRPORT_GUARD
, !!(p
->flags
& BR_BPDU_GUARD
)) ||
236 nla_put_u8(skb
, IFLA_BRPORT_PROTECT
,
237 !!(p
->flags
& BR_ROOT_BLOCK
)) ||
238 nla_put_u8(skb
, IFLA_BRPORT_FAST_LEAVE
,
239 !!(p
->flags
& BR_MULTICAST_FAST_LEAVE
)) ||
240 nla_put_u8(skb
, IFLA_BRPORT_MCAST_TO_UCAST
,
241 !!(p
->flags
& BR_MULTICAST_TO_UNICAST
)) ||
242 nla_put_u8(skb
, IFLA_BRPORT_LEARNING
, !!(p
->flags
& BR_LEARNING
)) ||
243 nla_put_u8(skb
, IFLA_BRPORT_UNICAST_FLOOD
,
244 !!(p
->flags
& BR_FLOOD
)) ||
245 nla_put_u8(skb
, IFLA_BRPORT_MCAST_FLOOD
,
246 !!(p
->flags
& BR_MCAST_FLOOD
)) ||
247 nla_put_u8(skb
, IFLA_BRPORT_BCAST_FLOOD
,
248 !!(p
->flags
& BR_BCAST_FLOOD
)) ||
249 nla_put_u8(skb
, IFLA_BRPORT_PROXYARP
, !!(p
->flags
& BR_PROXYARP
)) ||
250 nla_put_u8(skb
, IFLA_BRPORT_PROXYARP_WIFI
,
251 !!(p
->flags
& BR_PROXYARP_WIFI
)) ||
252 nla_put(skb
, IFLA_BRPORT_ROOT_ID
, sizeof(struct ifla_bridge_id
),
253 &p
->designated_root
) ||
254 nla_put(skb
, IFLA_BRPORT_BRIDGE_ID
, sizeof(struct ifla_bridge_id
),
255 &p
->designated_bridge
) ||
256 nla_put_u16(skb
, IFLA_BRPORT_DESIGNATED_PORT
, p
->designated_port
) ||
257 nla_put_u16(skb
, IFLA_BRPORT_DESIGNATED_COST
, p
->designated_cost
) ||
258 nla_put_u16(skb
, IFLA_BRPORT_ID
, p
->port_id
) ||
259 nla_put_u16(skb
, IFLA_BRPORT_NO
, p
->port_no
) ||
260 nla_put_u8(skb
, IFLA_BRPORT_TOPOLOGY_CHANGE_ACK
,
261 p
->topology_change_ack
) ||
262 nla_put_u8(skb
, IFLA_BRPORT_CONFIG_PENDING
, p
->config_pending
) ||
263 nla_put_u8(skb
, IFLA_BRPORT_VLAN_TUNNEL
, !!(p
->flags
&
265 nla_put_u16(skb
, IFLA_BRPORT_GROUP_FWD_MASK
, p
->group_fwd_mask
) ||
266 nla_put_u8(skb
, IFLA_BRPORT_NEIGH_SUPPRESS
,
267 !!(p
->flags
& BR_NEIGH_SUPPRESS
)) ||
268 nla_put_u8(skb
, IFLA_BRPORT_MRP_RING_OPEN
, !!(p
->flags
&
269 BR_MRP_LOST_CONT
)) ||
270 nla_put_u8(skb
, IFLA_BRPORT_MRP_IN_OPEN
,
271 !!(p
->flags
& BR_MRP_LOST_IN_CONT
)) ||
272 nla_put_u8(skb
, IFLA_BRPORT_ISOLATED
, !!(p
->flags
& BR_ISOLATED
)))
275 timerval
= br_timer_value(&p
->message_age_timer
);
276 if (nla_put_u64_64bit(skb
, IFLA_BRPORT_MESSAGE_AGE_TIMER
, timerval
,
279 timerval
= br_timer_value(&p
->forward_delay_timer
);
280 if (nla_put_u64_64bit(skb
, IFLA_BRPORT_FORWARD_DELAY_TIMER
, timerval
,
283 timerval
= br_timer_value(&p
->hold_timer
);
284 if (nla_put_u64_64bit(skb
, IFLA_BRPORT_HOLD_TIMER
, timerval
,
288 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
289 if (nla_put_u8(skb
, IFLA_BRPORT_MULTICAST_ROUTER
,
290 p
->multicast_ctx
.multicast_router
) ||
291 nla_put_u32(skb
, IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT
,
292 p
->multicast_eht_hosts_limit
) ||
293 nla_put_u32(skb
, IFLA_BRPORT_MCAST_EHT_HOSTS_CNT
,
294 p
->multicast_eht_hosts_cnt
))
298 /* we might be called only with br->lock */
300 backup_p
= rcu_dereference(p
->backup_port
);
302 nla_put_u32(skb
, IFLA_BRPORT_BACKUP_PORT
,
303 backup_p
->dev
->ifindex
);
309 static int br_fill_ifvlaninfo_range(struct sk_buff
*skb
, u16 vid_start
,
310 u16 vid_end
, u16 flags
)
312 struct bridge_vlan_info vinfo
;
314 if ((vid_end
- vid_start
) > 0) {
315 /* add range to skb */
316 vinfo
.vid
= vid_start
;
317 vinfo
.flags
= flags
| BRIDGE_VLAN_INFO_RANGE_BEGIN
;
318 if (nla_put(skb
, IFLA_BRIDGE_VLAN_INFO
,
319 sizeof(vinfo
), &vinfo
))
320 goto nla_put_failure
;
323 vinfo
.flags
= flags
| BRIDGE_VLAN_INFO_RANGE_END
;
324 if (nla_put(skb
, IFLA_BRIDGE_VLAN_INFO
,
325 sizeof(vinfo
), &vinfo
))
326 goto nla_put_failure
;
328 vinfo
.vid
= vid_start
;
330 if (nla_put(skb
, IFLA_BRIDGE_VLAN_INFO
,
331 sizeof(vinfo
), &vinfo
))
332 goto nla_put_failure
;
341 static int br_fill_ifvlaninfo_compressed(struct sk_buff
*skb
,
342 struct net_bridge_vlan_group
*vg
)
344 struct net_bridge_vlan
*v
;
345 u16 vid_range_start
= 0, vid_range_end
= 0, vid_range_flags
= 0;
349 /* Pack IFLA_BRIDGE_VLAN_INFO's for every vlan
350 * and mark vlan info with begin and end flags
351 * if vlaninfo represents a range
353 pvid
= br_get_pvid(vg
);
354 list_for_each_entry_rcu(v
, &vg
->vlan_list
, vlist
) {
356 if (!br_vlan_should_use(v
))
359 flags
|= BRIDGE_VLAN_INFO_PVID
;
361 if (v
->flags
& BRIDGE_VLAN_INFO_UNTAGGED
)
362 flags
|= BRIDGE_VLAN_INFO_UNTAGGED
;
364 if (vid_range_start
== 0) {
366 } else if ((v
->vid
- vid_range_end
) == 1 &&
367 flags
== vid_range_flags
) {
368 vid_range_end
= v
->vid
;
371 err
= br_fill_ifvlaninfo_range(skb
, vid_range_start
,
379 vid_range_start
= v
->vid
;
380 vid_range_end
= v
->vid
;
381 vid_range_flags
= flags
;
384 if (vid_range_start
!= 0) {
385 /* Call it once more to send any left over vlans */
386 err
= br_fill_ifvlaninfo_range(skb
, vid_range_start
,
396 static int br_fill_ifvlaninfo(struct sk_buff
*skb
,
397 struct net_bridge_vlan_group
*vg
)
399 struct bridge_vlan_info vinfo
;
400 struct net_bridge_vlan
*v
;
403 pvid
= br_get_pvid(vg
);
404 list_for_each_entry_rcu(v
, &vg
->vlan_list
, vlist
) {
405 if (!br_vlan_should_use(v
))
411 vinfo
.flags
|= BRIDGE_VLAN_INFO_PVID
;
413 if (v
->flags
& BRIDGE_VLAN_INFO_UNTAGGED
)
414 vinfo
.flags
|= BRIDGE_VLAN_INFO_UNTAGGED
;
416 if (nla_put(skb
, IFLA_BRIDGE_VLAN_INFO
,
417 sizeof(vinfo
), &vinfo
))
418 goto nla_put_failure
;
428 * Create one netlink message for one interface
429 * Contains port and master info as well as carrier and bridge state.
431 static int br_fill_ifinfo(struct sk_buff
*skb
,
432 const struct net_bridge_port
*port
,
433 u32 pid
, u32 seq
, int event
, unsigned int flags
,
434 u32 filter_mask
, const struct net_device
*dev
,
437 u8 operstate
= netif_running(dev
) ? dev
->operstate
: IF_OPER_DOWN
;
438 struct nlattr
*af
= NULL
;
439 struct net_bridge
*br
;
440 struct ifinfomsg
*hdr
;
441 struct nlmsghdr
*nlh
;
446 br
= netdev_priv(dev
);
448 br_debug(br
, "br_fill_info event %d port %s master %s\n",
449 event
, dev
->name
, br
->dev
->name
);
451 nlh
= nlmsg_put(skb
, pid
, seq
, event
, sizeof(*hdr
), flags
);
455 hdr
= nlmsg_data(nlh
);
456 hdr
->ifi_family
= AF_BRIDGE
;
458 hdr
->ifi_type
= dev
->type
;
459 hdr
->ifi_index
= dev
->ifindex
;
460 hdr
->ifi_flags
= dev_get_flags(dev
);
463 if (nla_put_string(skb
, IFLA_IFNAME
, dev
->name
) ||
464 nla_put_u32(skb
, IFLA_MASTER
, br
->dev
->ifindex
) ||
465 nla_put_u32(skb
, IFLA_MTU
, dev
->mtu
) ||
466 nla_put_u8(skb
, IFLA_OPERSTATE
, operstate
) ||
468 nla_put(skb
, IFLA_ADDRESS
, dev
->addr_len
, dev
->dev_addr
)) ||
469 (dev
->ifindex
!= dev_get_iflink(dev
) &&
470 nla_put_u32(skb
, IFLA_LINK
, dev_get_iflink(dev
))))
471 goto nla_put_failure
;
473 if (event
== RTM_NEWLINK
&& port
) {
476 nest
= nla_nest_start(skb
, IFLA_PROTINFO
);
477 if (nest
== NULL
|| br_port_fill_attrs(skb
, port
) < 0)
478 goto nla_put_failure
;
479 nla_nest_end(skb
, nest
);
482 if (filter_mask
& (RTEXT_FILTER_BRVLAN
|
483 RTEXT_FILTER_BRVLAN_COMPRESSED
|
485 RTEXT_FILTER_CFM_CONFIG
|
486 RTEXT_FILTER_CFM_STATUS
)) {
487 af
= nla_nest_start_noflag(skb
, IFLA_AF_SPEC
);
489 goto nla_put_failure
;
492 /* Check if the VID information is requested */
493 if ((filter_mask
& RTEXT_FILTER_BRVLAN
) ||
494 (filter_mask
& RTEXT_FILTER_BRVLAN_COMPRESSED
)) {
495 struct net_bridge_vlan_group
*vg
;
498 /* RCU needed because of the VLAN locking rules (rcu || rtnl) */
501 vg
= nbp_vlan_group_rcu(port
);
503 vg
= br_vlan_group_rcu(br
);
505 if (!vg
|| !vg
->num_vlans
) {
509 if (filter_mask
& RTEXT_FILTER_BRVLAN_COMPRESSED
)
510 err
= br_fill_ifvlaninfo_compressed(skb
, vg
);
512 err
= br_fill_ifvlaninfo(skb
, vg
);
514 if (port
&& (port
->flags
& BR_VLAN_TUNNEL
))
515 err
= br_fill_vlan_tunnel_info(skb
, vg
);
518 goto nla_put_failure
;
521 if (filter_mask
& RTEXT_FILTER_MRP
) {
524 if (!br_mrp_enabled(br
) || port
)
528 err
= br_mrp_fill_info(skb
, br
);
532 goto nla_put_failure
;
535 if (filter_mask
& (RTEXT_FILTER_CFM_CONFIG
| RTEXT_FILTER_CFM_STATUS
)) {
536 struct nlattr
*cfm_nest
= NULL
;
539 if (!br_cfm_created(br
) || port
)
542 cfm_nest
= nla_nest_start(skb
, IFLA_BRIDGE_CFM
);
544 goto nla_put_failure
;
546 if (filter_mask
& RTEXT_FILTER_CFM_CONFIG
) {
548 err
= br_cfm_config_fill_info(skb
, br
);
551 goto nla_put_failure
;
554 if (filter_mask
& RTEXT_FILTER_CFM_STATUS
) {
556 err
= br_cfm_status_fill_info(skb
, br
, getlink
);
559 goto nla_put_failure
;
562 nla_nest_end(skb
, cfm_nest
);
567 nla_nest_end(skb
, af
);
572 nlmsg_cancel(skb
, nlh
);
576 void br_info_notify(int event
, const struct net_bridge
*br
,
577 const struct net_bridge_port
*port
, u32 filter
)
579 struct net_device
*dev
;
585 if (WARN_ON(!port
&& !br
))
591 port_no
= port
->port_no
;
597 br_debug(br
, "port %u(%s) event %d\n", port_no
, dev
->name
, event
);
599 skb
= nlmsg_new(br_nlmsg_size(dev
, filter
), GFP_ATOMIC
);
603 err
= br_fill_ifinfo(skb
, port
, 0, 0, event
, 0, filter
, dev
, false);
605 /* -EMSGSIZE implies BUG in br_nlmsg_size() */
606 WARN_ON(err
== -EMSGSIZE
);
610 rtnl_notify(skb
, net
, 0, RTNLGRP_LINK
, NULL
, GFP_ATOMIC
);
613 rtnl_set_sk_err(net
, RTNLGRP_LINK
, err
);
616 /* Notify listeners of a change in bridge or port information */
617 void br_ifinfo_notify(int event
, const struct net_bridge
*br
,
618 const struct net_bridge_port
*port
)
620 u32 filter
= RTEXT_FILTER_BRVLAN_COMPRESSED
;
622 return br_info_notify(event
, br
, port
, filter
);
626 * Dump information about all ports, in response to GETLINK
628 int br_getlink(struct sk_buff
*skb
, u32 pid
, u32 seq
,
629 struct net_device
*dev
, u32 filter_mask
, int nlflags
)
631 struct net_bridge_port
*port
= br_port_get_rtnl(dev
);
633 if (!port
&& !(filter_mask
& RTEXT_FILTER_BRVLAN
) &&
634 !(filter_mask
& RTEXT_FILTER_BRVLAN_COMPRESSED
) &&
635 !(filter_mask
& RTEXT_FILTER_MRP
) &&
636 !(filter_mask
& RTEXT_FILTER_CFM_CONFIG
) &&
637 !(filter_mask
& RTEXT_FILTER_CFM_STATUS
))
640 return br_fill_ifinfo(skb
, port
, pid
, seq
, RTM_NEWLINK
, nlflags
,
641 filter_mask
, dev
, true);
644 static int br_vlan_info(struct net_bridge
*br
, struct net_bridge_port
*p
,
645 int cmd
, struct bridge_vlan_info
*vinfo
, bool *changed
,
646 struct netlink_ext_ack
*extack
)
654 /* if the MASTER flag is set this will act on the global
655 * per-VLAN entry as well
657 err
= nbp_vlan_add(p
, vinfo
->vid
, vinfo
->flags
,
658 &curr_change
, extack
);
660 vinfo
->flags
|= BRIDGE_VLAN_INFO_BRENTRY
;
661 err
= br_vlan_add(br
, vinfo
->vid
, vinfo
->flags
,
662 &curr_change
, extack
);
670 if (!nbp_vlan_delete(p
, vinfo
->vid
))
673 if ((vinfo
->flags
& BRIDGE_VLAN_INFO_MASTER
) &&
674 !br_vlan_delete(p
->br
, vinfo
->vid
))
676 } else if (!br_vlan_delete(br
, vinfo
->vid
)) {
685 int br_process_vlan_info(struct net_bridge
*br
,
686 struct net_bridge_port
*p
, int cmd
,
687 struct bridge_vlan_info
*vinfo_curr
,
688 struct bridge_vlan_info
**vinfo_last
,
690 struct netlink_ext_ack
*extack
)
694 if (!br_vlan_valid_id(vinfo_curr
->vid
, extack
))
697 /* needed for vlan-only NEWVLAN/DELVLAN notifications */
698 rtm_cmd
= br_afspec_cmd_to_rtm(cmd
);
700 if (vinfo_curr
->flags
& BRIDGE_VLAN_INFO_RANGE_BEGIN
) {
701 if (!br_vlan_valid_range(vinfo_curr
, *vinfo_last
, extack
))
703 *vinfo_last
= vinfo_curr
;
708 struct bridge_vlan_info tmp_vinfo
;
709 int v
, v_change_start
= 0;
711 if (!br_vlan_valid_range(vinfo_curr
, *vinfo_last
, extack
))
714 memcpy(&tmp_vinfo
, *vinfo_last
,
715 sizeof(struct bridge_vlan_info
));
716 for (v
= (*vinfo_last
)->vid
; v
<= vinfo_curr
->vid
; v
++) {
717 bool curr_change
= false;
720 err
= br_vlan_info(br
, p
, cmd
, &tmp_vinfo
, &curr_change
,
725 *changed
= curr_change
;
729 /* nothing to notify yet */
732 br_vlan_notify(br
, p
, v_change_start
,
738 /* v_change_start is set only if the last/whole range changed */
740 br_vlan_notify(br
, p
, v_change_start
,
748 err
= br_vlan_info(br
, p
, cmd
, vinfo_curr
, changed
, extack
);
750 br_vlan_notify(br
, p
, vinfo_curr
->vid
, 0, rtm_cmd
);
755 static int br_afspec(struct net_bridge
*br
,
756 struct net_bridge_port
*p
,
757 struct nlattr
*af_spec
,
758 int cmd
, bool *changed
,
759 struct netlink_ext_ack
*extack
)
761 struct bridge_vlan_info
*vinfo_curr
= NULL
;
762 struct bridge_vlan_info
*vinfo_last
= NULL
;
764 struct vtunnel_info tinfo_last
= {};
765 struct vtunnel_info tinfo_curr
= {};
768 nla_for_each_nested(attr
, af_spec
, rem
) {
770 switch (nla_type(attr
)) {
771 case IFLA_BRIDGE_VLAN_TUNNEL_INFO
:
772 if (!p
|| !(p
->flags
& BR_VLAN_TUNNEL
))
774 err
= br_parse_vlan_tunnel_info(attr
, &tinfo_curr
);
777 err
= br_process_vlan_tunnel_info(br
, p
, cmd
,
784 case IFLA_BRIDGE_VLAN_INFO
:
785 if (nla_len(attr
) != sizeof(struct bridge_vlan_info
))
787 vinfo_curr
= nla_data(attr
);
788 err
= br_process_vlan_info(br
, p
, cmd
, vinfo_curr
,
789 &vinfo_last
, changed
,
794 case IFLA_BRIDGE_MRP
:
795 err
= br_mrp_parse(br
, p
, attr
, cmd
, extack
);
799 case IFLA_BRIDGE_CFM
:
800 err
= br_cfm_parse(br
, p
, attr
, cmd
, extack
);
810 static const struct nla_policy br_port_policy
[IFLA_BRPORT_MAX
+ 1] = {
811 [IFLA_BRPORT_STATE
] = { .type
= NLA_U8
},
812 [IFLA_BRPORT_COST
] = { .type
= NLA_U32
},
813 [IFLA_BRPORT_PRIORITY
] = { .type
= NLA_U16
},
814 [IFLA_BRPORT_MODE
] = { .type
= NLA_U8
},
815 [IFLA_BRPORT_GUARD
] = { .type
= NLA_U8
},
816 [IFLA_BRPORT_PROTECT
] = { .type
= NLA_U8
},
817 [IFLA_BRPORT_FAST_LEAVE
]= { .type
= NLA_U8
},
818 [IFLA_BRPORT_LEARNING
] = { .type
= NLA_U8
},
819 [IFLA_BRPORT_UNICAST_FLOOD
] = { .type
= NLA_U8
},
820 [IFLA_BRPORT_PROXYARP
] = { .type
= NLA_U8
},
821 [IFLA_BRPORT_PROXYARP_WIFI
] = { .type
= NLA_U8
},
822 [IFLA_BRPORT_MULTICAST_ROUTER
] = { .type
= NLA_U8
},
823 [IFLA_BRPORT_MCAST_TO_UCAST
] = { .type
= NLA_U8
},
824 [IFLA_BRPORT_MCAST_FLOOD
] = { .type
= NLA_U8
},
825 [IFLA_BRPORT_BCAST_FLOOD
] = { .type
= NLA_U8
},
826 [IFLA_BRPORT_VLAN_TUNNEL
] = { .type
= NLA_U8
},
827 [IFLA_BRPORT_GROUP_FWD_MASK
] = { .type
= NLA_U16
},
828 [IFLA_BRPORT_NEIGH_SUPPRESS
] = { .type
= NLA_U8
},
829 [IFLA_BRPORT_ISOLATED
] = { .type
= NLA_U8
},
830 [IFLA_BRPORT_BACKUP_PORT
] = { .type
= NLA_U32
},
831 [IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT
] = { .type
= NLA_U32
},
834 /* Change the state of the port and notify spanning tree */
835 static int br_set_port_state(struct net_bridge_port
*p
, u8 state
)
837 if (state
> BR_STATE_BLOCKING
)
840 /* if kernel STP is running, don't allow changes */
841 if (p
->br
->stp_enabled
== BR_KERNEL_STP
)
844 /* if device is not up, change is not allowed
845 * if link is not present, only allowable state is disabled
847 if (!netif_running(p
->dev
) ||
848 (!netif_oper_up(p
->dev
) && state
!= BR_STATE_DISABLED
))
851 br_set_state(p
, state
);
852 br_port_state_selection(p
->br
);
856 /* Set/clear or port flags based on attribute */
857 static void br_set_port_flag(struct net_bridge_port
*p
, struct nlattr
*tb
[],
858 int attrtype
, unsigned long mask
)
863 if (nla_get_u8(tb
[attrtype
]))
869 /* Process bridge protocol info on port */
870 static int br_setport(struct net_bridge_port
*p
, struct nlattr
*tb
[],
871 struct netlink_ext_ack
*extack
)
873 unsigned long old_flags
, changed_mask
;
874 bool br_vlan_tunnel_old
;
877 old_flags
= p
->flags
;
878 br_vlan_tunnel_old
= (old_flags
& BR_VLAN_TUNNEL
) ? true : false;
880 br_set_port_flag(p
, tb
, IFLA_BRPORT_MODE
, BR_HAIRPIN_MODE
);
881 br_set_port_flag(p
, tb
, IFLA_BRPORT_GUARD
, BR_BPDU_GUARD
);
882 br_set_port_flag(p
, tb
, IFLA_BRPORT_FAST_LEAVE
,
883 BR_MULTICAST_FAST_LEAVE
);
884 br_set_port_flag(p
, tb
, IFLA_BRPORT_PROTECT
, BR_ROOT_BLOCK
);
885 br_set_port_flag(p
, tb
, IFLA_BRPORT_LEARNING
, BR_LEARNING
);
886 br_set_port_flag(p
, tb
, IFLA_BRPORT_UNICAST_FLOOD
, BR_FLOOD
);
887 br_set_port_flag(p
, tb
, IFLA_BRPORT_MCAST_FLOOD
, BR_MCAST_FLOOD
);
888 br_set_port_flag(p
, tb
, IFLA_BRPORT_MCAST_TO_UCAST
,
889 BR_MULTICAST_TO_UNICAST
);
890 br_set_port_flag(p
, tb
, IFLA_BRPORT_BCAST_FLOOD
, BR_BCAST_FLOOD
);
891 br_set_port_flag(p
, tb
, IFLA_BRPORT_PROXYARP
, BR_PROXYARP
);
892 br_set_port_flag(p
, tb
, IFLA_BRPORT_PROXYARP_WIFI
, BR_PROXYARP_WIFI
);
893 br_set_port_flag(p
, tb
, IFLA_BRPORT_VLAN_TUNNEL
, BR_VLAN_TUNNEL
);
894 br_set_port_flag(p
, tb
, IFLA_BRPORT_NEIGH_SUPPRESS
, BR_NEIGH_SUPPRESS
);
895 br_set_port_flag(p
, tb
, IFLA_BRPORT_ISOLATED
, BR_ISOLATED
);
897 changed_mask
= old_flags
^ p
->flags
;
899 err
= br_switchdev_set_port_flag(p
, p
->flags
, changed_mask
, extack
);
901 p
->flags
= old_flags
;
905 if (br_vlan_tunnel_old
&& !(p
->flags
& BR_VLAN_TUNNEL
))
906 nbp_vlan_tunnel_info_flush(p
);
908 br_port_flags_change(p
, changed_mask
);
910 if (tb
[IFLA_BRPORT_COST
]) {
911 err
= br_stp_set_path_cost(p
, nla_get_u32(tb
[IFLA_BRPORT_COST
]));
916 if (tb
[IFLA_BRPORT_PRIORITY
]) {
917 err
= br_stp_set_port_priority(p
, nla_get_u16(tb
[IFLA_BRPORT_PRIORITY
]));
922 if (tb
[IFLA_BRPORT_STATE
]) {
923 err
= br_set_port_state(p
, nla_get_u8(tb
[IFLA_BRPORT_STATE
]));
928 if (tb
[IFLA_BRPORT_FLUSH
])
929 br_fdb_delete_by_port(p
->br
, p
, 0, 0);
931 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
932 if (tb
[IFLA_BRPORT_MULTICAST_ROUTER
]) {
933 u8 mcast_router
= nla_get_u8(tb
[IFLA_BRPORT_MULTICAST_ROUTER
]);
935 err
= br_multicast_set_port_router(&p
->multicast_ctx
,
941 if (tb
[IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT
]) {
944 hlimit
= nla_get_u32(tb
[IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT
]);
945 err
= br_multicast_eht_set_hosts_limit(p
, hlimit
);
951 if (tb
[IFLA_BRPORT_GROUP_FWD_MASK
]) {
952 u16 fwd_mask
= nla_get_u16(tb
[IFLA_BRPORT_GROUP_FWD_MASK
]);
954 if (fwd_mask
& BR_GROUPFWD_MACPAUSE
)
956 p
->group_fwd_mask
= fwd_mask
;
959 if (tb
[IFLA_BRPORT_BACKUP_PORT
]) {
960 struct net_device
*backup_dev
= NULL
;
963 backup_ifindex
= nla_get_u32(tb
[IFLA_BRPORT_BACKUP_PORT
]);
964 if (backup_ifindex
) {
965 backup_dev
= __dev_get_by_index(dev_net(p
->dev
),
971 err
= nbp_backup_change(p
, backup_dev
);
979 /* Change state and parameters on port. */
980 int br_setlink(struct net_device
*dev
, struct nlmsghdr
*nlh
, u16 flags
,
981 struct netlink_ext_ack
*extack
)
983 struct net_bridge
*br
= (struct net_bridge
*)netdev_priv(dev
);
984 struct nlattr
*tb
[IFLA_BRPORT_MAX
+ 1];
985 struct net_bridge_port
*p
;
986 struct nlattr
*protinfo
;
987 struct nlattr
*afspec
;
988 bool changed
= false;
991 protinfo
= nlmsg_find_attr(nlh
, sizeof(struct ifinfomsg
), IFLA_PROTINFO
);
992 afspec
= nlmsg_find_attr(nlh
, sizeof(struct ifinfomsg
), IFLA_AF_SPEC
);
993 if (!protinfo
&& !afspec
)
996 p
= br_port_get_rtnl(dev
);
997 /* We want to accept dev as bridge itself if the AF_SPEC
998 * is set to see if someone is setting vlan info on the bridge
1003 if (p
&& protinfo
) {
1004 if (protinfo
->nla_type
& NLA_F_NESTED
) {
1005 err
= nla_parse_nested_deprecated(tb
, IFLA_BRPORT_MAX
,
1012 spin_lock_bh(&p
->br
->lock
);
1013 err
= br_setport(p
, tb
, extack
);
1014 spin_unlock_bh(&p
->br
->lock
);
1016 /* Binary compatibility with old RSTP */
1017 if (nla_len(protinfo
) < sizeof(u8
))
1020 spin_lock_bh(&p
->br
->lock
);
1021 err
= br_set_port_state(p
, nla_get_u8(protinfo
));
1022 spin_unlock_bh(&p
->br
->lock
);
1030 err
= br_afspec(br
, p
, afspec
, RTM_SETLINK
, &changed
, extack
);
1033 br_ifinfo_notify(RTM_NEWLINK
, br
, p
);
1038 /* Delete port information */
1039 int br_dellink(struct net_device
*dev
, struct nlmsghdr
*nlh
, u16 flags
)
1041 struct net_bridge
*br
= (struct net_bridge
*)netdev_priv(dev
);
1042 struct net_bridge_port
*p
;
1043 struct nlattr
*afspec
;
1044 bool changed
= false;
1047 afspec
= nlmsg_find_attr(nlh
, sizeof(struct ifinfomsg
), IFLA_AF_SPEC
);
1051 p
= br_port_get_rtnl(dev
);
1052 /* We want to accept dev as bridge itself as well */
1053 if (!p
&& !(dev
->priv_flags
& IFF_EBRIDGE
))
1056 err
= br_afspec(br
, p
, afspec
, RTM_DELLINK
, &changed
, NULL
);
1058 /* Send RTM_NEWLINK because userspace
1059 * expects RTM_NEWLINK for vlan dels
1061 br_ifinfo_notify(RTM_NEWLINK
, br
, p
);
1066 static int br_validate(struct nlattr
*tb
[], struct nlattr
*data
[],
1067 struct netlink_ext_ack
*extack
)
1069 if (tb
[IFLA_ADDRESS
]) {
1070 if (nla_len(tb
[IFLA_ADDRESS
]) != ETH_ALEN
)
1072 if (!is_valid_ether_addr(nla_data(tb
[IFLA_ADDRESS
])))
1073 return -EADDRNOTAVAIL
;
1079 #ifdef CONFIG_BRIDGE_VLAN_FILTERING
1080 if (data
[IFLA_BR_VLAN_PROTOCOL
] &&
1081 !eth_type_vlan(nla_get_be16(data
[IFLA_BR_VLAN_PROTOCOL
])))
1082 return -EPROTONOSUPPORT
;
1084 if (data
[IFLA_BR_VLAN_DEFAULT_PVID
]) {
1085 __u16 defpvid
= nla_get_u16(data
[IFLA_BR_VLAN_DEFAULT_PVID
]);
1087 if (defpvid
>= VLAN_VID_MASK
)
1095 static int br_port_slave_changelink(struct net_device
*brdev
,
1096 struct net_device
*dev
,
1097 struct nlattr
*tb
[],
1098 struct nlattr
*data
[],
1099 struct netlink_ext_ack
*extack
)
1101 struct net_bridge
*br
= netdev_priv(brdev
);
1107 spin_lock_bh(&br
->lock
);
1108 ret
= br_setport(br_port_get_rtnl(dev
), data
, extack
);
1109 spin_unlock_bh(&br
->lock
);
1114 static int br_port_fill_slave_info(struct sk_buff
*skb
,
1115 const struct net_device
*brdev
,
1116 const struct net_device
*dev
)
1118 return br_port_fill_attrs(skb
, br_port_get_rtnl(dev
));
1121 static size_t br_port_get_slave_size(const struct net_device
*brdev
,
1122 const struct net_device
*dev
)
1124 return br_port_info_size();
1127 static const struct nla_policy br_policy
[IFLA_BR_MAX
+ 1] = {
1128 [IFLA_BR_FORWARD_DELAY
] = { .type
= NLA_U32
},
1129 [IFLA_BR_HELLO_TIME
] = { .type
= NLA_U32
},
1130 [IFLA_BR_MAX_AGE
] = { .type
= NLA_U32
},
1131 [IFLA_BR_AGEING_TIME
] = { .type
= NLA_U32
},
1132 [IFLA_BR_STP_STATE
] = { .type
= NLA_U32
},
1133 [IFLA_BR_PRIORITY
] = { .type
= NLA_U16
},
1134 [IFLA_BR_VLAN_FILTERING
] = { .type
= NLA_U8
},
1135 [IFLA_BR_VLAN_PROTOCOL
] = { .type
= NLA_U16
},
1136 [IFLA_BR_GROUP_FWD_MASK
] = { .type
= NLA_U16
},
1137 [IFLA_BR_GROUP_ADDR
] = { .type
= NLA_BINARY
,
1139 [IFLA_BR_MCAST_ROUTER
] = { .type
= NLA_U8
},
1140 [IFLA_BR_MCAST_SNOOPING
] = { .type
= NLA_U8
},
1141 [IFLA_BR_MCAST_QUERY_USE_IFADDR
] = { .type
= NLA_U8
},
1142 [IFLA_BR_MCAST_QUERIER
] = { .type
= NLA_U8
},
1143 [IFLA_BR_MCAST_HASH_ELASTICITY
] = { .type
= NLA_U32
},
1144 [IFLA_BR_MCAST_HASH_MAX
] = { .type
= NLA_U32
},
1145 [IFLA_BR_MCAST_LAST_MEMBER_CNT
] = { .type
= NLA_U32
},
1146 [IFLA_BR_MCAST_STARTUP_QUERY_CNT
] = { .type
= NLA_U32
},
1147 [IFLA_BR_MCAST_LAST_MEMBER_INTVL
] = { .type
= NLA_U64
},
1148 [IFLA_BR_MCAST_MEMBERSHIP_INTVL
] = { .type
= NLA_U64
},
1149 [IFLA_BR_MCAST_QUERIER_INTVL
] = { .type
= NLA_U64
},
1150 [IFLA_BR_MCAST_QUERY_INTVL
] = { .type
= NLA_U64
},
1151 [IFLA_BR_MCAST_QUERY_RESPONSE_INTVL
] = { .type
= NLA_U64
},
1152 [IFLA_BR_MCAST_STARTUP_QUERY_INTVL
] = { .type
= NLA_U64
},
1153 [IFLA_BR_NF_CALL_IPTABLES
] = { .type
= NLA_U8
},
1154 [IFLA_BR_NF_CALL_IP6TABLES
] = { .type
= NLA_U8
},
1155 [IFLA_BR_NF_CALL_ARPTABLES
] = { .type
= NLA_U8
},
1156 [IFLA_BR_VLAN_DEFAULT_PVID
] = { .type
= NLA_U16
},
1157 [IFLA_BR_VLAN_STATS_ENABLED
] = { .type
= NLA_U8
},
1158 [IFLA_BR_MCAST_STATS_ENABLED
] = { .type
= NLA_U8
},
1159 [IFLA_BR_MCAST_IGMP_VERSION
] = { .type
= NLA_U8
},
1160 [IFLA_BR_MCAST_MLD_VERSION
] = { .type
= NLA_U8
},
1161 [IFLA_BR_VLAN_STATS_PER_PORT
] = { .type
= NLA_U8
},
1162 [IFLA_BR_MULTI_BOOLOPT
] =
1163 NLA_POLICY_EXACT_LEN(sizeof(struct br_boolopt_multi
)),
1166 static int br_changelink(struct net_device
*brdev
, struct nlattr
*tb
[],
1167 struct nlattr
*data
[],
1168 struct netlink_ext_ack
*extack
)
1170 struct net_bridge
*br
= netdev_priv(brdev
);
1176 if (data
[IFLA_BR_FORWARD_DELAY
]) {
1177 err
= br_set_forward_delay(br
, nla_get_u32(data
[IFLA_BR_FORWARD_DELAY
]));
1182 if (data
[IFLA_BR_HELLO_TIME
]) {
1183 err
= br_set_hello_time(br
, nla_get_u32(data
[IFLA_BR_HELLO_TIME
]));
1188 if (data
[IFLA_BR_MAX_AGE
]) {
1189 err
= br_set_max_age(br
, nla_get_u32(data
[IFLA_BR_MAX_AGE
]));
1194 if (data
[IFLA_BR_AGEING_TIME
]) {
1195 err
= br_set_ageing_time(br
, nla_get_u32(data
[IFLA_BR_AGEING_TIME
]));
1200 if (data
[IFLA_BR_STP_STATE
]) {
1201 u32 stp_enabled
= nla_get_u32(data
[IFLA_BR_STP_STATE
]);
1203 err
= br_stp_set_enabled(br
, stp_enabled
, extack
);
1208 if (data
[IFLA_BR_PRIORITY
]) {
1209 u32 priority
= nla_get_u16(data
[IFLA_BR_PRIORITY
]);
1211 br_stp_set_bridge_priority(br
, priority
);
1214 if (data
[IFLA_BR_VLAN_FILTERING
]) {
1215 u8 vlan_filter
= nla_get_u8(data
[IFLA_BR_VLAN_FILTERING
]);
1217 err
= br_vlan_filter_toggle(br
, vlan_filter
, extack
);
1222 #ifdef CONFIG_BRIDGE_VLAN_FILTERING
1223 if (data
[IFLA_BR_VLAN_PROTOCOL
]) {
1224 __be16 vlan_proto
= nla_get_be16(data
[IFLA_BR_VLAN_PROTOCOL
]);
1226 err
= __br_vlan_set_proto(br
, vlan_proto
, extack
);
1231 if (data
[IFLA_BR_VLAN_DEFAULT_PVID
]) {
1232 __u16 defpvid
= nla_get_u16(data
[IFLA_BR_VLAN_DEFAULT_PVID
]);
1234 err
= __br_vlan_set_default_pvid(br
, defpvid
, extack
);
1239 if (data
[IFLA_BR_VLAN_STATS_ENABLED
]) {
1240 __u8 vlan_stats
= nla_get_u8(data
[IFLA_BR_VLAN_STATS_ENABLED
]);
1242 err
= br_vlan_set_stats(br
, vlan_stats
);
1247 if (data
[IFLA_BR_VLAN_STATS_PER_PORT
]) {
1248 __u8 per_port
= nla_get_u8(data
[IFLA_BR_VLAN_STATS_PER_PORT
]);
1250 err
= br_vlan_set_stats_per_port(br
, per_port
);
1256 if (data
[IFLA_BR_GROUP_FWD_MASK
]) {
1257 u16 fwd_mask
= nla_get_u16(data
[IFLA_BR_GROUP_FWD_MASK
]);
1259 if (fwd_mask
& BR_GROUPFWD_RESTRICTED
)
1261 br
->group_fwd_mask
= fwd_mask
;
1264 if (data
[IFLA_BR_GROUP_ADDR
]) {
1265 u8 new_addr
[ETH_ALEN
];
1267 if (nla_len(data
[IFLA_BR_GROUP_ADDR
]) != ETH_ALEN
)
1269 memcpy(new_addr
, nla_data(data
[IFLA_BR_GROUP_ADDR
]), ETH_ALEN
);
1270 if (!is_link_local_ether_addr(new_addr
))
1272 if (new_addr
[5] == 1 || /* 802.3x Pause address */
1273 new_addr
[5] == 2 || /* 802.3ad Slow protocols */
1274 new_addr
[5] == 3) /* 802.1X PAE address */
1276 spin_lock_bh(&br
->lock
);
1277 memcpy(br
->group_addr
, new_addr
, sizeof(br
->group_addr
));
1278 spin_unlock_bh(&br
->lock
);
1279 br_opt_toggle(br
, BROPT_GROUP_ADDR_SET
, true);
1280 br_recalculate_fwd_mask(br
);
1283 if (data
[IFLA_BR_FDB_FLUSH
])
1286 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
1287 if (data
[IFLA_BR_MCAST_ROUTER
]) {
1288 u8 multicast_router
= nla_get_u8(data
[IFLA_BR_MCAST_ROUTER
]);
1290 err
= br_multicast_set_router(&br
->multicast_ctx
,
1296 if (data
[IFLA_BR_MCAST_SNOOPING
]) {
1297 u8 mcast_snooping
= nla_get_u8(data
[IFLA_BR_MCAST_SNOOPING
]);
1299 err
= br_multicast_toggle(br
, mcast_snooping
, extack
);
1304 if (data
[IFLA_BR_MCAST_QUERY_USE_IFADDR
]) {
1307 val
= nla_get_u8(data
[IFLA_BR_MCAST_QUERY_USE_IFADDR
]);
1308 br_opt_toggle(br
, BROPT_MULTICAST_QUERY_USE_IFADDR
, !!val
);
1311 if (data
[IFLA_BR_MCAST_QUERIER
]) {
1312 u8 mcast_querier
= nla_get_u8(data
[IFLA_BR_MCAST_QUERIER
]);
1314 err
= br_multicast_set_querier(&br
->multicast_ctx
,
1320 if (data
[IFLA_BR_MCAST_HASH_ELASTICITY
])
1321 br_warn(br
, "the hash_elasticity option has been deprecated and is always %u\n",
1324 if (data
[IFLA_BR_MCAST_HASH_MAX
])
1325 br
->hash_max
= nla_get_u32(data
[IFLA_BR_MCAST_HASH_MAX
]);
1327 if (data
[IFLA_BR_MCAST_LAST_MEMBER_CNT
]) {
1328 u32 val
= nla_get_u32(data
[IFLA_BR_MCAST_LAST_MEMBER_CNT
]);
1330 br
->multicast_ctx
.multicast_last_member_count
= val
;
1333 if (data
[IFLA_BR_MCAST_STARTUP_QUERY_CNT
]) {
1334 u32 val
= nla_get_u32(data
[IFLA_BR_MCAST_STARTUP_QUERY_CNT
]);
1336 br
->multicast_ctx
.multicast_startup_query_count
= val
;
1339 if (data
[IFLA_BR_MCAST_LAST_MEMBER_INTVL
]) {
1340 u64 val
= nla_get_u64(data
[IFLA_BR_MCAST_LAST_MEMBER_INTVL
]);
1342 br
->multicast_ctx
.multicast_last_member_interval
= clock_t_to_jiffies(val
);
1345 if (data
[IFLA_BR_MCAST_MEMBERSHIP_INTVL
]) {
1346 u64 val
= nla_get_u64(data
[IFLA_BR_MCAST_MEMBERSHIP_INTVL
]);
1348 br
->multicast_ctx
.multicast_membership_interval
= clock_t_to_jiffies(val
);
1351 if (data
[IFLA_BR_MCAST_QUERIER_INTVL
]) {
1352 u64 val
= nla_get_u64(data
[IFLA_BR_MCAST_QUERIER_INTVL
]);
1354 br
->multicast_ctx
.multicast_querier_interval
= clock_t_to_jiffies(val
);
1357 if (data
[IFLA_BR_MCAST_QUERY_INTVL
]) {
1358 u64 val
= nla_get_u64(data
[IFLA_BR_MCAST_QUERY_INTVL
]);
1360 br_multicast_set_query_intvl(&br
->multicast_ctx
, val
);
1363 if (data
[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL
]) {
1364 u64 val
= nla_get_u64(data
[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL
]);
1366 br
->multicast_ctx
.multicast_query_response_interval
= clock_t_to_jiffies(val
);
1369 if (data
[IFLA_BR_MCAST_STARTUP_QUERY_INTVL
]) {
1370 u64 val
= nla_get_u64(data
[IFLA_BR_MCAST_STARTUP_QUERY_INTVL
]);
1372 br_multicast_set_startup_query_intvl(&br
->multicast_ctx
, val
);
1375 if (data
[IFLA_BR_MCAST_STATS_ENABLED
]) {
1378 mcast_stats
= nla_get_u8(data
[IFLA_BR_MCAST_STATS_ENABLED
]);
1379 br_opt_toggle(br
, BROPT_MULTICAST_STATS_ENABLED
, !!mcast_stats
);
1382 if (data
[IFLA_BR_MCAST_IGMP_VERSION
]) {
1385 igmp_version
= nla_get_u8(data
[IFLA_BR_MCAST_IGMP_VERSION
]);
1386 err
= br_multicast_set_igmp_version(&br
->multicast_ctx
,
1392 #if IS_ENABLED(CONFIG_IPV6)
1393 if (data
[IFLA_BR_MCAST_MLD_VERSION
]) {
1396 mld_version
= nla_get_u8(data
[IFLA_BR_MCAST_MLD_VERSION
]);
1397 err
= br_multicast_set_mld_version(&br
->multicast_ctx
,
1404 #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
1405 if (data
[IFLA_BR_NF_CALL_IPTABLES
]) {
1406 u8 val
= nla_get_u8(data
[IFLA_BR_NF_CALL_IPTABLES
]);
1408 br_opt_toggle(br
, BROPT_NF_CALL_IPTABLES
, !!val
);
1411 if (data
[IFLA_BR_NF_CALL_IP6TABLES
]) {
1412 u8 val
= nla_get_u8(data
[IFLA_BR_NF_CALL_IP6TABLES
]);
1414 br_opt_toggle(br
, BROPT_NF_CALL_IP6TABLES
, !!val
);
1417 if (data
[IFLA_BR_NF_CALL_ARPTABLES
]) {
1418 u8 val
= nla_get_u8(data
[IFLA_BR_NF_CALL_ARPTABLES
]);
1420 br_opt_toggle(br
, BROPT_NF_CALL_ARPTABLES
, !!val
);
1424 if (data
[IFLA_BR_MULTI_BOOLOPT
]) {
1425 struct br_boolopt_multi
*bm
;
1427 bm
= nla_data(data
[IFLA_BR_MULTI_BOOLOPT
]);
1428 err
= br_boolopt_multi_toggle(br
, bm
, extack
);
1436 static int br_dev_newlink(struct net
*src_net
, struct net_device
*dev
,
1437 struct nlattr
*tb
[], struct nlattr
*data
[],
1438 struct netlink_ext_ack
*extack
)
1440 struct net_bridge
*br
= netdev_priv(dev
);
1443 err
= register_netdevice(dev
);
1447 if (tb
[IFLA_ADDRESS
]) {
1448 spin_lock_bh(&br
->lock
);
1449 br_stp_change_bridge_id(br
, nla_data(tb
[IFLA_ADDRESS
]));
1450 spin_unlock_bh(&br
->lock
);
1453 err
= br_changelink(dev
, tb
, data
, extack
);
1455 br_dev_delete(dev
, NULL
);
1460 static size_t br_get_size(const struct net_device
*brdev
)
1462 return nla_total_size(sizeof(u32
)) + /* IFLA_BR_FORWARD_DELAY */
1463 nla_total_size(sizeof(u32
)) + /* IFLA_BR_HELLO_TIME */
1464 nla_total_size(sizeof(u32
)) + /* IFLA_BR_MAX_AGE */
1465 nla_total_size(sizeof(u32
)) + /* IFLA_BR_AGEING_TIME */
1466 nla_total_size(sizeof(u32
)) + /* IFLA_BR_STP_STATE */
1467 nla_total_size(sizeof(u16
)) + /* IFLA_BR_PRIORITY */
1468 nla_total_size(sizeof(u8
)) + /* IFLA_BR_VLAN_FILTERING */
1469 #ifdef CONFIG_BRIDGE_VLAN_FILTERING
1470 nla_total_size(sizeof(__be16
)) + /* IFLA_BR_VLAN_PROTOCOL */
1471 nla_total_size(sizeof(u16
)) + /* IFLA_BR_VLAN_DEFAULT_PVID */
1472 nla_total_size(sizeof(u8
)) + /* IFLA_BR_VLAN_STATS_ENABLED */
1473 nla_total_size(sizeof(u8
)) + /* IFLA_BR_VLAN_STATS_PER_PORT */
1475 nla_total_size(sizeof(u16
)) + /* IFLA_BR_GROUP_FWD_MASK */
1476 nla_total_size(sizeof(struct ifla_bridge_id
)) + /* IFLA_BR_ROOT_ID */
1477 nla_total_size(sizeof(struct ifla_bridge_id
)) + /* IFLA_BR_BRIDGE_ID */
1478 nla_total_size(sizeof(u16
)) + /* IFLA_BR_ROOT_PORT */
1479 nla_total_size(sizeof(u32
)) + /* IFLA_BR_ROOT_PATH_COST */
1480 nla_total_size(sizeof(u8
)) + /* IFLA_BR_TOPOLOGY_CHANGE */
1481 nla_total_size(sizeof(u8
)) + /* IFLA_BR_TOPOLOGY_CHANGE_DETECTED */
1482 nla_total_size_64bit(sizeof(u64
)) + /* IFLA_BR_HELLO_TIMER */
1483 nla_total_size_64bit(sizeof(u64
)) + /* IFLA_BR_TCN_TIMER */
1484 nla_total_size_64bit(sizeof(u64
)) + /* IFLA_BR_TOPOLOGY_CHANGE_TIMER */
1485 nla_total_size_64bit(sizeof(u64
)) + /* IFLA_BR_GC_TIMER */
1486 nla_total_size(ETH_ALEN
) + /* IFLA_BR_GROUP_ADDR */
1487 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
1488 nla_total_size(sizeof(u8
)) + /* IFLA_BR_MCAST_ROUTER */
1489 nla_total_size(sizeof(u8
)) + /* IFLA_BR_MCAST_SNOOPING */
1490 nla_total_size(sizeof(u8
)) + /* IFLA_BR_MCAST_QUERY_USE_IFADDR */
1491 nla_total_size(sizeof(u8
)) + /* IFLA_BR_MCAST_QUERIER */
1492 nla_total_size(sizeof(u8
)) + /* IFLA_BR_MCAST_STATS_ENABLED */
1493 nla_total_size(sizeof(u32
)) + /* IFLA_BR_MCAST_HASH_ELASTICITY */
1494 nla_total_size(sizeof(u32
)) + /* IFLA_BR_MCAST_HASH_MAX */
1495 nla_total_size(sizeof(u32
)) + /* IFLA_BR_MCAST_LAST_MEMBER_CNT */
1496 nla_total_size(sizeof(u32
)) + /* IFLA_BR_MCAST_STARTUP_QUERY_CNT */
1497 nla_total_size_64bit(sizeof(u64
)) + /* IFLA_BR_MCAST_LAST_MEMBER_INTVL */
1498 nla_total_size_64bit(sizeof(u64
)) + /* IFLA_BR_MCAST_MEMBERSHIP_INTVL */
1499 nla_total_size_64bit(sizeof(u64
)) + /* IFLA_BR_MCAST_QUERIER_INTVL */
1500 nla_total_size_64bit(sizeof(u64
)) + /* IFLA_BR_MCAST_QUERY_INTVL */
1501 nla_total_size_64bit(sizeof(u64
)) + /* IFLA_BR_MCAST_QUERY_RESPONSE_INTVL */
1502 nla_total_size_64bit(sizeof(u64
)) + /* IFLA_BR_MCAST_STARTUP_QUERY_INTVL */
1503 nla_total_size(sizeof(u8
)) + /* IFLA_BR_MCAST_IGMP_VERSION */
1504 nla_total_size(sizeof(u8
)) + /* IFLA_BR_MCAST_MLD_VERSION */
1505 br_multicast_querier_state_size() + /* IFLA_BR_MCAST_QUERIER_STATE */
1507 #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
1508 nla_total_size(sizeof(u8
)) + /* IFLA_BR_NF_CALL_IPTABLES */
1509 nla_total_size(sizeof(u8
)) + /* IFLA_BR_NF_CALL_IP6TABLES */
1510 nla_total_size(sizeof(u8
)) + /* IFLA_BR_NF_CALL_ARPTABLES */
1512 nla_total_size(sizeof(struct br_boolopt_multi
)) + /* IFLA_BR_MULTI_BOOLOPT */
1516 static int br_fill_info(struct sk_buff
*skb
, const struct net_device
*brdev
)
1518 struct net_bridge
*br
= netdev_priv(brdev
);
1519 u32 forward_delay
= jiffies_to_clock_t(br
->forward_delay
);
1520 u32 hello_time
= jiffies_to_clock_t(br
->hello_time
);
1521 u32 age_time
= jiffies_to_clock_t(br
->max_age
);
1522 u32 ageing_time
= jiffies_to_clock_t(br
->ageing_time
);
1523 u32 stp_enabled
= br
->stp_enabled
;
1524 u16 priority
= (br
->bridge_id
.prio
[0] << 8) | br
->bridge_id
.prio
[1];
1525 u8 vlan_enabled
= br_vlan_enabled(br
->dev
);
1526 struct br_boolopt_multi bm
;
1529 clockval
= br_timer_value(&br
->hello_timer
);
1530 if (nla_put_u64_64bit(skb
, IFLA_BR_HELLO_TIMER
, clockval
, IFLA_BR_PAD
))
1532 clockval
= br_timer_value(&br
->tcn_timer
);
1533 if (nla_put_u64_64bit(skb
, IFLA_BR_TCN_TIMER
, clockval
, IFLA_BR_PAD
))
1535 clockval
= br_timer_value(&br
->topology_change_timer
);
1536 if (nla_put_u64_64bit(skb
, IFLA_BR_TOPOLOGY_CHANGE_TIMER
, clockval
,
1539 clockval
= br_timer_value(&br
->gc_work
.timer
);
1540 if (nla_put_u64_64bit(skb
, IFLA_BR_GC_TIMER
, clockval
, IFLA_BR_PAD
))
1543 br_boolopt_multi_get(br
, &bm
);
1544 if (nla_put_u32(skb
, IFLA_BR_FORWARD_DELAY
, forward_delay
) ||
1545 nla_put_u32(skb
, IFLA_BR_HELLO_TIME
, hello_time
) ||
1546 nla_put_u32(skb
, IFLA_BR_MAX_AGE
, age_time
) ||
1547 nla_put_u32(skb
, IFLA_BR_AGEING_TIME
, ageing_time
) ||
1548 nla_put_u32(skb
, IFLA_BR_STP_STATE
, stp_enabled
) ||
1549 nla_put_u16(skb
, IFLA_BR_PRIORITY
, priority
) ||
1550 nla_put_u8(skb
, IFLA_BR_VLAN_FILTERING
, vlan_enabled
) ||
1551 nla_put_u16(skb
, IFLA_BR_GROUP_FWD_MASK
, br
->group_fwd_mask
) ||
1552 nla_put(skb
, IFLA_BR_BRIDGE_ID
, sizeof(struct ifla_bridge_id
),
1554 nla_put(skb
, IFLA_BR_ROOT_ID
, sizeof(struct ifla_bridge_id
),
1555 &br
->designated_root
) ||
1556 nla_put_u16(skb
, IFLA_BR_ROOT_PORT
, br
->root_port
) ||
1557 nla_put_u32(skb
, IFLA_BR_ROOT_PATH_COST
, br
->root_path_cost
) ||
1558 nla_put_u8(skb
, IFLA_BR_TOPOLOGY_CHANGE
, br
->topology_change
) ||
1559 nla_put_u8(skb
, IFLA_BR_TOPOLOGY_CHANGE_DETECTED
,
1560 br
->topology_change_detected
) ||
1561 nla_put(skb
, IFLA_BR_GROUP_ADDR
, ETH_ALEN
, br
->group_addr
) ||
1562 nla_put(skb
, IFLA_BR_MULTI_BOOLOPT
, sizeof(bm
), &bm
))
1565 #ifdef CONFIG_BRIDGE_VLAN_FILTERING
1566 if (nla_put_be16(skb
, IFLA_BR_VLAN_PROTOCOL
, br
->vlan_proto
) ||
1567 nla_put_u16(skb
, IFLA_BR_VLAN_DEFAULT_PVID
, br
->default_pvid
) ||
1568 nla_put_u8(skb
, IFLA_BR_VLAN_STATS_ENABLED
,
1569 br_opt_get(br
, BROPT_VLAN_STATS_ENABLED
)) ||
1570 nla_put_u8(skb
, IFLA_BR_VLAN_STATS_PER_PORT
,
1571 br_opt_get(br
, BROPT_VLAN_STATS_PER_PORT
)))
1574 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
1575 if (nla_put_u8(skb
, IFLA_BR_MCAST_ROUTER
,
1576 br
->multicast_ctx
.multicast_router
) ||
1577 nla_put_u8(skb
, IFLA_BR_MCAST_SNOOPING
,
1578 br_opt_get(br
, BROPT_MULTICAST_ENABLED
)) ||
1579 nla_put_u8(skb
, IFLA_BR_MCAST_QUERY_USE_IFADDR
,
1580 br_opt_get(br
, BROPT_MULTICAST_QUERY_USE_IFADDR
)) ||
1581 nla_put_u8(skb
, IFLA_BR_MCAST_QUERIER
,
1582 br
->multicast_ctx
.multicast_querier
) ||
1583 nla_put_u8(skb
, IFLA_BR_MCAST_STATS_ENABLED
,
1584 br_opt_get(br
, BROPT_MULTICAST_STATS_ENABLED
)) ||
1585 nla_put_u32(skb
, IFLA_BR_MCAST_HASH_ELASTICITY
, RHT_ELASTICITY
) ||
1586 nla_put_u32(skb
, IFLA_BR_MCAST_HASH_MAX
, br
->hash_max
) ||
1587 nla_put_u32(skb
, IFLA_BR_MCAST_LAST_MEMBER_CNT
,
1588 br
->multicast_ctx
.multicast_last_member_count
) ||
1589 nla_put_u32(skb
, IFLA_BR_MCAST_STARTUP_QUERY_CNT
,
1590 br
->multicast_ctx
.multicast_startup_query_count
) ||
1591 nla_put_u8(skb
, IFLA_BR_MCAST_IGMP_VERSION
,
1592 br
->multicast_ctx
.multicast_igmp_version
) ||
1593 br_multicast_dump_querier_state(skb
, &br
->multicast_ctx
,
1594 IFLA_BR_MCAST_QUERIER_STATE
))
1596 #if IS_ENABLED(CONFIG_IPV6)
1597 if (nla_put_u8(skb
, IFLA_BR_MCAST_MLD_VERSION
,
1598 br
->multicast_ctx
.multicast_mld_version
))
1601 clockval
= jiffies_to_clock_t(br
->multicast_ctx
.multicast_last_member_interval
);
1602 if (nla_put_u64_64bit(skb
, IFLA_BR_MCAST_LAST_MEMBER_INTVL
, clockval
,
1605 clockval
= jiffies_to_clock_t(br
->multicast_ctx
.multicast_membership_interval
);
1606 if (nla_put_u64_64bit(skb
, IFLA_BR_MCAST_MEMBERSHIP_INTVL
, clockval
,
1609 clockval
= jiffies_to_clock_t(br
->multicast_ctx
.multicast_querier_interval
);
1610 if (nla_put_u64_64bit(skb
, IFLA_BR_MCAST_QUERIER_INTVL
, clockval
,
1613 clockval
= jiffies_to_clock_t(br
->multicast_ctx
.multicast_query_interval
);
1614 if (nla_put_u64_64bit(skb
, IFLA_BR_MCAST_QUERY_INTVL
, clockval
,
1617 clockval
= jiffies_to_clock_t(br
->multicast_ctx
.multicast_query_response_interval
);
1618 if (nla_put_u64_64bit(skb
, IFLA_BR_MCAST_QUERY_RESPONSE_INTVL
, clockval
,
1621 clockval
= jiffies_to_clock_t(br
->multicast_ctx
.multicast_startup_query_interval
);
1622 if (nla_put_u64_64bit(skb
, IFLA_BR_MCAST_STARTUP_QUERY_INTVL
, clockval
,
1626 #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
1627 if (nla_put_u8(skb
, IFLA_BR_NF_CALL_IPTABLES
,
1628 br_opt_get(br
, BROPT_NF_CALL_IPTABLES
) ? 1 : 0) ||
1629 nla_put_u8(skb
, IFLA_BR_NF_CALL_IP6TABLES
,
1630 br_opt_get(br
, BROPT_NF_CALL_IP6TABLES
) ? 1 : 0) ||
1631 nla_put_u8(skb
, IFLA_BR_NF_CALL_ARPTABLES
,
1632 br_opt_get(br
, BROPT_NF_CALL_ARPTABLES
) ? 1 : 0))
1639 static size_t br_get_linkxstats_size(const struct net_device
*dev
, int attr
)
1641 struct net_bridge_port
*p
= NULL
;
1642 struct net_bridge_vlan_group
*vg
;
1643 struct net_bridge_vlan
*v
;
1644 struct net_bridge
*br
;
1648 case IFLA_STATS_LINK_XSTATS
:
1649 br
= netdev_priv(dev
);
1650 vg
= br_vlan_group(br
);
1652 case IFLA_STATS_LINK_XSTATS_SLAVE
:
1653 p
= br_port_get_rtnl(dev
);
1656 vg
= nbp_vlan_group(p
);
1663 /* we need to count all, even placeholder entries */
1664 list_for_each_entry(v
, &vg
->vlan_list
, vlist
)
1668 return numvls
* nla_total_size(sizeof(struct bridge_vlan_xstats
)) +
1669 nla_total_size_64bit(sizeof(struct br_mcast_stats
)) +
1670 (p
? nla_total_size_64bit(sizeof(p
->stp_xstats
)) : 0) +
1674 static int br_fill_linkxstats(struct sk_buff
*skb
,
1675 const struct net_device
*dev
,
1676 int *prividx
, int attr
)
1678 struct nlattr
*nla __maybe_unused
;
1679 struct net_bridge_port
*p
= NULL
;
1680 struct net_bridge_vlan_group
*vg
;
1681 struct net_bridge_vlan
*v
;
1682 struct net_bridge
*br
;
1683 struct nlattr
*nest
;
1687 case IFLA_STATS_LINK_XSTATS
:
1688 br
= netdev_priv(dev
);
1689 vg
= br_vlan_group(br
);
1691 case IFLA_STATS_LINK_XSTATS_SLAVE
:
1692 p
= br_port_get_rtnl(dev
);
1696 vg
= nbp_vlan_group(p
);
1702 nest
= nla_nest_start_noflag(skb
, LINK_XSTATS_TYPE_BRIDGE
);
1709 pvid
= br_get_pvid(vg
);
1710 list_for_each_entry(v
, &vg
->vlan_list
, vlist
) {
1711 struct bridge_vlan_xstats vxi
;
1712 struct pcpu_sw_netstats stats
;
1714 if (++vl_idx
< *prividx
)
1716 memset(&vxi
, 0, sizeof(vxi
));
1718 vxi
.flags
= v
->flags
;
1720 vxi
.flags
|= BRIDGE_VLAN_INFO_PVID
;
1721 br_vlan_get_stats(v
, &stats
);
1722 vxi
.rx_bytes
= stats
.rx_bytes
;
1723 vxi
.rx_packets
= stats
.rx_packets
;
1724 vxi
.tx_bytes
= stats
.tx_bytes
;
1725 vxi
.tx_packets
= stats
.tx_packets
;
1727 if (nla_put(skb
, BRIDGE_XSTATS_VLAN
, sizeof(vxi
), &vxi
))
1728 goto nla_put_failure
;
1732 #ifdef CONFIG_BRIDGE_IGMP_SNOOPING
1733 if (++vl_idx
>= *prividx
) {
1734 nla
= nla_reserve_64bit(skb
, BRIDGE_XSTATS_MCAST
,
1735 sizeof(struct br_mcast_stats
),
1738 goto nla_put_failure
;
1739 br_multicast_get_stats(br
, p
, nla_data(nla
));
1744 nla
= nla_reserve_64bit(skb
, BRIDGE_XSTATS_STP
,
1745 sizeof(p
->stp_xstats
),
1748 goto nla_put_failure
;
1750 spin_lock_bh(&br
->lock
);
1751 memcpy(nla_data(nla
), &p
->stp_xstats
, sizeof(p
->stp_xstats
));
1752 spin_unlock_bh(&br
->lock
);
1755 nla_nest_end(skb
, nest
);
1761 nla_nest_end(skb
, nest
);
1767 static struct rtnl_af_ops br_af_ops __read_mostly
= {
1768 .family
= AF_BRIDGE
,
1769 .get_link_af_size
= br_get_link_af_size_filtered
,
1772 struct rtnl_link_ops br_link_ops __read_mostly
= {
1774 .priv_size
= sizeof(struct net_bridge
),
1775 .setup
= br_dev_setup
,
1776 .maxtype
= IFLA_BR_MAX
,
1777 .policy
= br_policy
,
1778 .validate
= br_validate
,
1779 .newlink
= br_dev_newlink
,
1780 .changelink
= br_changelink
,
1781 .dellink
= br_dev_delete
,
1782 .get_size
= br_get_size
,
1783 .fill_info
= br_fill_info
,
1784 .fill_linkxstats
= br_fill_linkxstats
,
1785 .get_linkxstats_size
= br_get_linkxstats_size
,
1787 .slave_maxtype
= IFLA_BRPORT_MAX
,
1788 .slave_policy
= br_port_policy
,
1789 .slave_changelink
= br_port_slave_changelink
,
1790 .get_slave_size
= br_port_get_slave_size
,
1791 .fill_slave_info
= br_port_fill_slave_info
,
1794 int __init
br_netlink_init(void)
1799 br_vlan_rtnl_init();
1800 rtnl_af_register(&br_af_ops
);
1802 err
= rtnl_link_register(&br_link_ops
);
1809 rtnl_af_unregister(&br_af_ops
);
1814 void br_netlink_fini(void)
1817 br_vlan_rtnl_uninit();
1818 rtnl_af_unregister(&br_af_ops
);
1819 rtnl_link_unregister(&br_link_ops
);