br_netlink.c (50501936288d6a29d7ef78f25d00e33240fad45f) br_netlink.c (29cfb2aaa4425a608651a05b9b875bc445394443)
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Bridge netlink control interface
4 *
5 * Authors:
6 * Stephen Hemminger <shemminger@osdl.org>
7 */
8

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206 + nla_total_size(sizeof(u32)) /* IFLA_BRPORT_MCAST_N_GROUPS */
207 + nla_total_size(sizeof(u32)) /* IFLA_BRPORT_MCAST_MAX_GROUPS */
208#endif
209 + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_GROUP_FWD_MASK */
210 + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_MRP_RING_OPEN */
211 + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_MRP_IN_OPEN */
212 + nla_total_size(sizeof(u32)) /* IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT */
213 + nla_total_size(sizeof(u32)) /* IFLA_BRPORT_MCAST_EHT_HOSTS_CNT */
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Bridge netlink control interface
4 *
5 * Authors:
6 * Stephen Hemminger <shemminger@osdl.org>
7 */
8

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206 + nla_total_size(sizeof(u32)) /* IFLA_BRPORT_MCAST_N_GROUPS */
207 + nla_total_size(sizeof(u32)) /* IFLA_BRPORT_MCAST_MAX_GROUPS */
208#endif
209 + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_GROUP_FWD_MASK */
210 + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_MRP_RING_OPEN */
211 + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_MRP_IN_OPEN */
212 + nla_total_size(sizeof(u32)) /* IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT */
213 + nla_total_size(sizeof(u32)) /* IFLA_BRPORT_MCAST_EHT_HOSTS_CNT */
214 + nla_total_size(sizeof(u32)) /* IFLA_BRPORT_BACKUP_NHID */
214 + 0;
215}
216
217static inline size_t br_nlmsg_size(struct net_device *dev, u32 filter_mask)
218{
219 return NLMSG_ALIGN(sizeof(struct ifinfomsg))
220 + nla_total_size(IFNAMSIZ) /* IFLA_IFNAME */
221 + nla_total_size(MAX_ADDR_LEN) /* IFLA_ADDRESS */

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314 /* we might be called only with br->lock */
315 rcu_read_lock();
316 backup_p = rcu_dereference(p->backup_port);
317 if (backup_p)
318 nla_put_u32(skb, IFLA_BRPORT_BACKUP_PORT,
319 backup_p->dev->ifindex);
320 rcu_read_unlock();
321
215 + 0;
216}
217
218static inline size_t br_nlmsg_size(struct net_device *dev, u32 filter_mask)
219{
220 return NLMSG_ALIGN(sizeof(struct ifinfomsg))
221 + nla_total_size(IFNAMSIZ) /* IFLA_IFNAME */
222 + nla_total_size(MAX_ADDR_LEN) /* IFLA_ADDRESS */

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315 /* we might be called only with br->lock */
316 rcu_read_lock();
317 backup_p = rcu_dereference(p->backup_port);
318 if (backup_p)
319 nla_put_u32(skb, IFLA_BRPORT_BACKUP_PORT,
320 backup_p->dev->ifindex);
321 rcu_read_unlock();
322
323 if (p->backup_nhid &&
324 nla_put_u32(skb, IFLA_BRPORT_BACKUP_NHID, p->backup_nhid))
325 return -EMSGSIZE;
326
322 return 0;
323}
324
325static int br_fill_ifvlaninfo_range(struct sk_buff *skb, u16 vid_start,
326 u16 vid_end, u16 flags)
327{
328 struct bridge_vlan_info vinfo;
329

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890 [IFLA_BRPORT_ISOLATED] = { .type = NLA_U8 },
891 [IFLA_BRPORT_LOCKED] = { .type = NLA_U8 },
892 [IFLA_BRPORT_MAB] = { .type = NLA_U8 },
893 [IFLA_BRPORT_BACKUP_PORT] = { .type = NLA_U32 },
894 [IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT] = { .type = NLA_U32 },
895 [IFLA_BRPORT_MCAST_N_GROUPS] = { .type = NLA_REJECT },
896 [IFLA_BRPORT_MCAST_MAX_GROUPS] = { .type = NLA_U32 },
897 [IFLA_BRPORT_NEIGH_VLAN_SUPPRESS] = NLA_POLICY_MAX(NLA_U8, 1),
327 return 0;
328}
329
330static int br_fill_ifvlaninfo_range(struct sk_buff *skb, u16 vid_start,
331 u16 vid_end, u16 flags)
332{
333 struct bridge_vlan_info vinfo;
334

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895 [IFLA_BRPORT_ISOLATED] = { .type = NLA_U8 },
896 [IFLA_BRPORT_LOCKED] = { .type = NLA_U8 },
897 [IFLA_BRPORT_MAB] = { .type = NLA_U8 },
898 [IFLA_BRPORT_BACKUP_PORT] = { .type = NLA_U32 },
899 [IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT] = { .type = NLA_U32 },
900 [IFLA_BRPORT_MCAST_N_GROUPS] = { .type = NLA_REJECT },
901 [IFLA_BRPORT_MCAST_MAX_GROUPS] = { .type = NLA_U32 },
902 [IFLA_BRPORT_NEIGH_VLAN_SUPPRESS] = NLA_POLICY_MAX(NLA_U8, 1),
903 [IFLA_BRPORT_BACKUP_NHID] = { .type = NLA_U32 },
898};
899
900/* Change the state of the port and notify spanning tree */
901static int br_set_port_state(struct net_bridge_port *p, u8 state)
902{
903 if (state > BR_STATE_BLOCKING)
904 return -EINVAL;
905

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1060 return -ENOENT;
1061 }
1062
1063 err = nbp_backup_change(p, backup_dev);
1064 if (err)
1065 return err;
1066 }
1067
904};
905
906/* Change the state of the port and notify spanning tree */
907static int br_set_port_state(struct net_bridge_port *p, u8 state)
908{
909 if (state > BR_STATE_BLOCKING)
910 return -EINVAL;
911

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1066 return -ENOENT;
1067 }
1068
1069 err = nbp_backup_change(p, backup_dev);
1070 if (err)
1071 return err;
1072 }
1073
1074 if (tb[IFLA_BRPORT_BACKUP_NHID]) {
1075 u32 backup_nhid = nla_get_u32(tb[IFLA_BRPORT_BACKUP_NHID]);
1076
1077 WRITE_ONCE(p->backup_nhid, backup_nhid);
1078 }
1079
1068 return 0;
1069}
1070
1071/* Change state and parameters on port. */
1072int br_setlink(struct net_device *dev, struct nlmsghdr *nlh, u16 flags,
1073 struct netlink_ext_ack *extack)
1074{
1075 struct net_bridge *br = (struct net_bridge *)netdev_priv(dev);

--- 839 unchanged lines hidden --- 		1080 return 0;
1081}
1082
1083/* Change state and parameters on port. */
1084int br_setlink(struct net_device *dev, struct nlmsghdr *nlh, u16 flags,
1085 struct netlink_ext_ack *extack)
1086{
1087 struct net_bridge *br = (struct net_bridge *)netdev_priv(dev);

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