diff options
Diffstat (limited to 'net/bridge')
| -rw-r--r-- | net/bridge/br_fdb.c | 433 | ||||
| -rw-r--r-- | net/bridge/br_if.c | 2 | ||||
| -rw-r--r-- | net/bridge/br_private.h | 6 | ||||
| -rw-r--r-- | net/bridge/br_switchdev.c | 79 | ||||
| -rw-r--r-- | net/bridge/br_vlan.c | 5 |
5 files changed, 262 insertions, 263 deletions
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index a6a68e18c70a..6ccda68bd473 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -32,10 +32,6 @@ static const struct rhashtable_params br_fdb_rht_params = { }; static struct kmem_cache *br_fdb_cache __read_mostly; -static int fdb_insert(struct net_bridge *br, struct net_bridge_port *source, - const unsigned char *addr, u16 vid); -static void fdb_notify(struct net_bridge *br, - const struct net_bridge_fdb_entry *, int, bool); int __init br_fdb_init(void) { @@ -87,6 +83,128 @@ static void fdb_rcu_free(struct rcu_head *head) kmem_cache_free(br_fdb_cache, ent); } +static int fdb_to_nud(const struct net_bridge *br, + const struct net_bridge_fdb_entry *fdb) +{ + if (test_bit(BR_FDB_LOCAL, &fdb->flags)) + return NUD_PERMANENT; + else if (test_bit(BR_FDB_STATIC, &fdb->flags)) + return NUD_NOARP; + else if (has_expired(br, fdb)) + return NUD_STALE; + else + return NUD_REACHABLE; +} + +static int fdb_fill_info(struct sk_buff *skb, const struct net_bridge *br, + const struct net_bridge_fdb_entry *fdb, + u32 portid, u32 seq, int type, unsigned int flags) +{ + const struct net_bridge_port *dst = READ_ONCE(fdb->dst); + unsigned long now = jiffies; + struct nda_cacheinfo ci; + struct nlmsghdr *nlh; + struct ndmsg *ndm; + + nlh = nlmsg_put(skb, portid, seq, type, sizeof(*ndm), flags); + if (nlh == NULL) + return -EMSGSIZE; + + ndm = nlmsg_data(nlh); + ndm->ndm_family = AF_BRIDGE; + ndm->ndm_pad1 = 0; + ndm->ndm_pad2 = 0; + ndm->ndm_flags = 0; + ndm->ndm_type = 0; + ndm->ndm_ifindex = dst ? dst->dev->ifindex : br->dev->ifindex; + ndm->ndm_state = fdb_to_nud(br, fdb); + + if (test_bit(BR_FDB_OFFLOADED, &fdb->flags)) + ndm->ndm_flags |= NTF_OFFLOADED; + if (test_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags)) + ndm->ndm_flags |= NTF_EXT_LEARNED; + if (test_bit(BR_FDB_STICKY, &fdb->flags)) + ndm->ndm_flags |= NTF_STICKY; + + if (nla_put(skb, NDA_LLADDR, ETH_ALEN, &fdb->key.addr)) + goto nla_put_failure; + if (nla_put_u32(skb, NDA_MASTER, br->dev->ifindex)) + goto nla_put_failure; + ci.ndm_used = jiffies_to_clock_t(now - fdb->used); + ci.ndm_confirmed = 0; + ci.ndm_updated = jiffies_to_clock_t(now - fdb->updated); + ci.ndm_refcnt = 0; + if (nla_put(skb, NDA_CACHEINFO, sizeof(ci), &ci)) + goto nla_put_failure; + + if (fdb->key.vlan_id && nla_put(skb, NDA_VLAN, sizeof(u16), + &fdb->key.vlan_id)) + goto nla_put_failure; + + if (test_bit(BR_FDB_NOTIFY, &fdb->flags)) { + struct nlattr *nest = nla_nest_start(skb, NDA_FDB_EXT_ATTRS); + u8 notify_bits = FDB_NOTIFY_BIT; + + if (!nest) + goto nla_put_failure; + if (test_bit(BR_FDB_NOTIFY_INACTIVE, &fdb->flags)) + notify_bits |= FDB_NOTIFY_INACTIVE_BIT; + + if (nla_put_u8(skb, NFEA_ACTIVITY_NOTIFY, notify_bits)) { + nla_nest_cancel(skb, nest); + goto nla_put_failure; + } + + nla_nest_end(skb, nest); + } + + nlmsg_end(skb, nlh); + return 0; + +nla_put_failure: + nlmsg_cancel(skb, nlh); + return -EMSGSIZE; +} + +static inline size_t fdb_nlmsg_size(void) +{ + return NLMSG_ALIGN(sizeof(struct ndmsg)) + + nla_total_size(ETH_ALEN) /* NDA_LLADDR */ + + nla_total_size(sizeof(u32)) /* NDA_MASTER */ + + nla_total_size(sizeof(u16)) /* NDA_VLAN */ + + nla_total_size(sizeof(struct nda_cacheinfo)) + + nla_total_size(0) /* NDA_FDB_EXT_ATTRS */ + + nla_total_size(sizeof(u8)); /* NFEA_ACTIVITY_NOTIFY */ +} + +static void fdb_notify(struct net_bridge *br, + const struct net_bridge_fdb_entry *fdb, int type, + bool swdev_notify) +{ + struct net *net = dev_net(br->dev); + struct sk_buff *skb; + int err = -ENOBUFS; + + if (swdev_notify) + br_switchdev_fdb_notify(br, fdb, type); + + skb = nlmsg_new(fdb_nlmsg_size(), GFP_ATOMIC); + if (skb == NULL) + goto errout; + + err = fdb_fill_info(skb, br, fdb, 0, 0, type, 0); + if (err < 0) { + /* -EMSGSIZE implies BUG in fdb_nlmsg_size() */ + WARN_ON(err == -EMSGSIZE); + kfree_skb(skb); + goto errout; + } + rtnl_notify(skb, net, 0, RTNLGRP_NEIGH, NULL, GFP_ATOMIC); + return; +errout: + rtnl_set_sk_err(net, RTNLGRP_NEIGH, err); +} + static struct net_bridge_fdb_entry *fdb_find_rcu(struct rhashtable *tbl, const unsigned char *addr, __u16 vid) @@ -257,6 +375,66 @@ void br_fdb_find_delete_local(struct net_bridge *br, spin_unlock_bh(&br->hash_lock); } +static struct net_bridge_fdb_entry *fdb_create(struct net_bridge *br, + struct net_bridge_port *source, + const unsigned char *addr, + __u16 vid, + unsigned long flags) +{ + struct net_bridge_fdb_entry *fdb; + int err; + + fdb = kmem_cache_alloc(br_fdb_cache, GFP_ATOMIC); + if (!fdb) + return NULL; + + memcpy(fdb->key.addr.addr, addr, ETH_ALEN); + WRITE_ONCE(fdb->dst, source); + fdb->key.vlan_id = vid; + fdb->flags = flags; + fdb->updated = fdb->used = jiffies; + err = rhashtable_lookup_insert_fast(&br->fdb_hash_tbl, &fdb->rhnode, + br_fdb_rht_params); + if (err) { + kmem_cache_free(br_fdb_cache, fdb); + return NULL; + } + + hlist_add_head_rcu(&fdb->fdb_node, &br->fdb_list); + + return fdb; +} + +static int fdb_add_local(struct net_bridge *br, struct net_bridge_port *source, + const unsigned char *addr, u16 vid) +{ + struct net_bridge_fdb_entry *fdb; + + if (!is_valid_ether_addr(addr)) + return -EINVAL; + + fdb = br_fdb_find(br, addr, vid); + if (fdb) { + /* it is okay to have multiple ports with same + * address, just use the first one. + */ + if (test_bit(BR_FDB_LOCAL, &fdb->flags)) + return 0; + br_warn(br, "adding interface %s with same address as a received packet (addr:%pM, vlan:%u)\n", + source ? source->dev->name : br->dev->name, addr, vid); + fdb_delete(br, fdb, true); + } + + fdb = fdb_create(br, source, addr, vid, + BIT(BR_FDB_LOCAL) | BIT(BR_FDB_STATIC)); + if (!fdb) + return -ENOMEM; + + fdb_add_hw_addr(br, addr); + fdb_notify(br, fdb, RTM_NEWNEIGH, true); + return 0; +} + void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr) { struct net_bridge_vlan_group *vg; @@ -283,7 +461,7 @@ void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr) insert: /* insert new address, may fail if invalid address or dup. */ - fdb_insert(br, p, newaddr, 0); + fdb_add_local(br, p, newaddr, 0); if (!vg || !vg->num_vlans) goto done; @@ -293,7 +471,7 @@ insert: * from under us. */ list_for_each_entry(v, &vg->vlan_list, vlist) - fdb_insert(br, p, newaddr, v->vid); + fdb_add_local(br, p, newaddr, v->vid); done: spin_unlock_bh(&br->hash_lock); @@ -313,7 +491,7 @@ void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr) !f->dst && !test_bit(BR_FDB_ADDED_BY_USER, &f->flags)) fdb_delete_local(br, NULL, f); - fdb_insert(br, NULL, newaddr, 0); + fdb_add_local(br, NULL, newaddr, 0); vg = br_vlan_group(br); if (!vg || !vg->num_vlans) goto out; @@ -328,7 +506,7 @@ void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr) if (f && test_bit(BR_FDB_LOCAL, &f->flags) && !f->dst && !test_bit(BR_FDB_ADDED_BY_USER, &f->flags)) fdb_delete_local(br, NULL, f); - fdb_insert(br, NULL, newaddr, v->vid); + fdb_add_local(br, NULL, newaddr, v->vid); } out: spin_unlock_bh(&br->hash_lock); @@ -503,71 +681,14 @@ int br_fdb_fillbuf(struct net_bridge *br, void *buf, return num; } -static struct net_bridge_fdb_entry *fdb_create(struct net_bridge *br, - struct net_bridge_port *source, - const unsigned char *addr, - __u16 vid, - unsigned long flags) -{ - struct net_bridge_fdb_entry *fdb; - - fdb = kmem_cache_alloc(br_fdb_cache, GFP_ATOMIC); - if (fdb) { - memcpy(fdb->key.addr.addr, addr, ETH_ALEN); - WRITE_ONCE(fdb->dst, source); - fdb->key.vlan_id = vid; - fdb->flags = flags; - fdb->updated = fdb->used = jiffies; - if (rhashtable_lookup_insert_fast(&br->fdb_hash_tbl, - &fdb->rhnode, - br_fdb_rht_params)) { - kmem_cache_free(br_fdb_cache, fdb); - fdb = NULL; - } else { - hlist_add_head_rcu(&fdb->fdb_node, &br->fdb_list); - } - } - return fdb; -} - -static int fdb_insert(struct net_bridge *br, struct net_bridge_port *source, - const unsigned char *addr, u16 vid) -{ - struct net_bridge_fdb_entry *fdb; - - if (!is_valid_ether_addr(addr)) - return -EINVAL; - - fdb = br_fdb_find(br, addr, vid); - if (fdb) { - /* it is okay to have multiple ports with same - * address, just use the first one. - */ - if (test_bit(BR_FDB_LOCAL, &fdb->flags)) - return 0; - br_warn(br, "adding interface %s with same address as a received packet (addr:%pM, vlan:%u)\n", - source ? source->dev->name : br->dev->name, addr, vid); - fdb_delete(br, fdb, true); - } - - fdb = fdb_create(br, source, addr, vid, - BIT(BR_FDB_LOCAL) | BIT(BR_FDB_STATIC)); - if (!fdb) - return -ENOMEM; - - fdb_add_hw_addr(br, addr); - fdb_notify(br, fdb, RTM_NEWNEIGH, true); - return 0; -} - /* Add entry for local address of interface */ -int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, - const unsigned char *addr, u16 vid) +int br_fdb_add_local(struct net_bridge *br, struct net_bridge_port *source, + const unsigned char *addr, u16 vid) { int ret; spin_lock_bh(&br->hash_lock); - ret = fdb_insert(br, source, addr, vid); + ret = fdb_add_local(br, source, addr, vid); spin_unlock_bh(&br->hash_lock); return ret; } @@ -638,182 +759,6 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, } } -static int fdb_to_nud(const struct net_bridge *br, - const struct net_bridge_fdb_entry *fdb) -{ - if (test_bit(BR_FDB_LOCAL, &fdb->flags)) - return NUD_PERMANENT; - else if (test_bit(BR_FDB_STATIC, &fdb->flags)) - return NUD_NOARP; - else if (has_expired(br, fdb)) - return NUD_STALE; - else - return NUD_REACHABLE; -} - -static int fdb_fill_info(struct sk_buff *skb, const struct net_bridge *br, - const struct net_bridge_fdb_entry *fdb, - u32 portid, u32 seq, int type, unsigned int flags) -{ - const struct net_bridge_port *dst = READ_ONCE(fdb->dst); - unsigned long now = jiffies; - struct nda_cacheinfo ci; - struct nlmsghdr *nlh; - struct ndmsg *ndm; - - nlh = nlmsg_put(skb, portid, seq, type, sizeof(*ndm), flags); - if (nlh == NULL) - return -EMSGSIZE; - - ndm = nlmsg_data(nlh); - ndm->ndm_family = AF_BRIDGE; - ndm->ndm_pad1 = 0; - ndm->ndm_pad2 = 0; - ndm->ndm_flags = 0; - ndm->ndm_type = 0; - ndm->ndm_ifindex = dst ? dst->dev->ifindex : br->dev->ifindex; - ndm->ndm_state = fdb_to_nud(br, fdb); - - if (test_bit(BR_FDB_OFFLOADED, &fdb->flags)) - ndm->ndm_flags |= NTF_OFFLOADED; - if (test_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags)) - ndm->ndm_flags |= NTF_EXT_LEARNED; - if (test_bit(BR_FDB_STICKY, &fdb->flags)) - ndm->ndm_flags |= NTF_STICKY; - - if (nla_put(skb, NDA_LLADDR, ETH_ALEN, &fdb->key.addr)) - goto nla_put_failure; - if (nla_put_u32(skb, NDA_MASTER, br->dev->ifindex)) - goto nla_put_failure; - ci.ndm_used = jiffies_to_clock_t(now - fdb->used); - ci.ndm_confirmed = 0; - ci.ndm_updated = jiffies_to_clock_t(now - fdb->updated); - ci.ndm_refcnt = 0; - if (nla_put(skb, NDA_CACHEINFO, sizeof(ci), &ci)) - goto nla_put_failure; - - if (fdb->key.vlan_id && nla_put(skb, NDA_VLAN, sizeof(u16), - &fdb->key.vlan_id)) - goto nla_put_failure; - - if (test_bit(BR_FDB_NOTIFY, &fdb->flags)) { - struct nlattr *nest = nla_nest_start(skb, NDA_FDB_EXT_ATTRS); - u8 notify_bits = FDB_NOTIFY_BIT; - - if (!nest) - goto nla_put_failure; - if (test_bit(BR_FDB_NOTIFY_INACTIVE, &fdb->flags)) - notify_bits |= FDB_NOTIFY_INACTIVE_BIT; - - if (nla_put_u8(skb, NFEA_ACTIVITY_NOTIFY, notify_bits)) { - nla_nest_cancel(skb, nest); - goto nla_put_failure; - } - - nla_nest_end(skb, nest); - } - - nlmsg_end(skb, nlh); - return 0; - -nla_put_failure: - nlmsg_cancel(skb, nlh); - return -EMSGSIZE; -} - -static inline size_t fdb_nlmsg_size(void) -{ - return NLMSG_ALIGN(sizeof(struct ndmsg)) - + nla_total_size(ETH_ALEN) /* NDA_LLADDR */ - + nla_total_size(sizeof(u32)) /* NDA_MASTER */ - + nla_total_size(sizeof(u16)) /* NDA_VLAN */ - + nla_total_size(sizeof(struct nda_cacheinfo)) - + nla_total_size(0) /* NDA_FDB_EXT_ATTRS */ - + nla_total_size(sizeof(u8)); /* NFEA_ACTIVITY_NOTIFY */ -} - -static int br_fdb_replay_one(struct net_bridge *br, struct notifier_block *nb, - const struct net_bridge_fdb_entry *fdb, - unsigned long action, const void *ctx) -{ - const struct net_bridge_port *p = READ_ONCE(fdb->dst); - struct switchdev_notifier_fdb_info item; - int err; - - item.addr = fdb->key.addr.addr; - item.vid = fdb->key.vlan_id; - item.added_by_user = test_bit(BR_FDB_ADDED_BY_USER, &fdb->flags); - item.offloaded = test_bit(BR_FDB_OFFLOADED, &fdb->flags); - item.is_local = test_bit(BR_FDB_LOCAL, &fdb->flags); - item.info.dev = (!p || item.is_local) ? br->dev : p->dev; - item.info.ctx = ctx; - - err = nb->notifier_call(nb, action, &item); - return notifier_to_errno(err); -} - -int br_fdb_replay(const struct net_device *br_dev, const void *ctx, bool adding, - struct notifier_block *nb) -{ - struct net_bridge_fdb_entry *fdb; - struct net_bridge *br; - unsigned long action; - int err = 0; - - if (!nb) - return 0; - - if (!netif_is_bridge_master(br_dev)) - return -EINVAL; - - br = netdev_priv(br_dev); - - if (adding) - action = SWITCHDEV_FDB_ADD_TO_DEVICE; - else - action = SWITCHDEV_FDB_DEL_TO_DEVICE; - - rcu_read_lock(); - - hlist_for_each_entry_rcu(fdb, &br->fdb_list, fdb_node) { - err = br_fdb_replay_one(br, nb, fdb, action, ctx); - if (err) - break; - } - - rcu_read_unlock(); - - return err; -} - -static void fdb_notify(struct net_bridge *br, - const struct net_bridge_fdb_entry *fdb, int type, - bool swdev_notify) -{ - struct net *net = dev_net(br->dev); - struct sk_buff *skb; - int err = -ENOBUFS; - - if (swdev_notify) - br_switchdev_fdb_notify(br, fdb, type); - - skb = nlmsg_new(fdb_nlmsg_size(), GFP_ATOMIC); - if (skb == NULL) - goto errout; - - err = fdb_fill_info(skb, br, fdb, 0, 0, type, 0); - if (err < 0) { - /* -EMSGSIZE implies BUG in fdb_nlmsg_size() */ - WARN_ON(err == -EMSGSIZE); - kfree_skb(skb); - goto errout; - } - rtnl_notify(skb, net, 0, RTNLGRP_NEIGH, NULL, GFP_ATOMIC); - return; -errout: - rtnl_set_sk_err(net, RTNLGRP_NEIGH, err); -} - /* Dump information about entries, in response to GETNEIGH */ int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index c11bba3e7ec0..c1183fef1f21 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -670,7 +670,7 @@ int br_add_if(struct net_bridge *br, struct net_device *dev, else netdev_set_rx_headroom(dev, br_hr); - if (br_fdb_insert(br, p, dev->dev_addr, 0)) + if (br_fdb_add_local(br, p, dev->dev_addr, 0)) netdev_err(dev, "failed insert local address bridge forwarding table\n"); if (br->dev->addr_assign_type != NET_ADDR_SET) { diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 37ca76406f1e..3c9327628060 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -767,8 +767,8 @@ struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, int br_fdb_test_addr(struct net_device *dev, unsigned char *addr); int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, unsigned long off); -int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, - const unsigned char *addr, u16 vid); +int br_fdb_add_local(struct net_bridge *br, struct net_bridge_port *source, + const unsigned char *addr, u16 vid); void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, const unsigned char *addr, u16 vid, unsigned long flags); @@ -792,8 +792,6 @@ int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, bool swdev_notify); void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, const unsigned char *addr, u16 vid, bool offloaded); -int br_fdb_replay(const struct net_device *br_dev, const void *ctx, bool adding, - struct notifier_block *nb); /* br_forward.c */ enum br_pkt_type { diff --git a/net/bridge/br_switchdev.c b/net/bridge/br_switchdev.c index 6bf518d78f02..2fbe881cdfe2 100644 --- a/net/bridge/br_switchdev.c +++ b/net/bridge/br_switchdev.c @@ -122,28 +122,38 @@ int br_switchdev_set_port_flag(struct net_bridge_port *p, return 0; } +static void br_switchdev_fdb_populate(struct net_bridge *br, + struct switchdev_notifier_fdb_info *item, + const struct net_bridge_fdb_entry *fdb, + const void *ctx) +{ + const struct net_bridge_port *p = READ_ONCE(fdb->dst); + + item->addr = fdb->key.addr.addr; + item->vid = fdb->key.vlan_id; + item->added_by_user = test_bit(BR_FDB_ADDED_BY_USER, &fdb->flags); + item->offloaded = test_bit(BR_FDB_OFFLOADED, &fdb->flags); + item->is_local = test_bit(BR_FDB_LOCAL, &fdb->flags); + item->info.dev = (!p || item->is_local) ? br->dev : p->dev; + item->info.ctx = ctx; +} + void br_switchdev_fdb_notify(struct net_bridge *br, const struct net_bridge_fdb_entry *fdb, int type) { - const struct net_bridge_port *dst = READ_ONCE(fdb->dst); - struct switchdev_notifier_fdb_info info = { - .addr = fdb->key.addr.addr, - .vid = fdb->key.vlan_id, - .added_by_user = test_bit(BR_FDB_ADDED_BY_USER, &fdb->flags), - .is_local = test_bit(BR_FDB_LOCAL, &fdb->flags), - .offloaded = test_bit(BR_FDB_OFFLOADED, &fdb->flags), - }; - struct net_device *dev = (!dst || info.is_local) ? br->dev : dst->dev; + struct switchdev_notifier_fdb_info item; + + br_switchdev_fdb_populate(br, &item, fdb, NULL); switch (type) { case RTM_DELNEIGH: call_switchdev_notifiers(SWITCHDEV_FDB_DEL_TO_DEVICE, - dev, &info.info, NULL); + item.info.dev, &item.info, NULL); break; case RTM_NEWNEIGH: call_switchdev_notifiers(SWITCHDEV_FDB_ADD_TO_DEVICE, - dev, &info.info, NULL); + item.info.dev, &item.info, NULL); break; } } @@ -270,6 +280,53 @@ static void nbp_switchdev_del(struct net_bridge_port *p) } } +static int br_fdb_replay_one(struct net_bridge *br, struct notifier_block *nb, + const struct net_bridge_fdb_entry *fdb, + unsigned long action, const void *ctx) +{ + struct switchdev_notifier_fdb_info item; + int err; + + br_switchdev_fdb_populate(br, &item, fdb, ctx); + + err = nb->notifier_call(nb, action, &item); + return notifier_to_errno(err); +} + +static int br_fdb_replay(const struct net_device *br_dev, const void *ctx, + bool adding, struct notifier_block *nb) +{ + struct net_bridge_fdb_entry *fdb; + struct net_bridge *br; + unsigned long action; + int err = 0; + + if (!nb) + return 0; + + if (!netif_is_bridge_master(br_dev)) + return -EINVAL; + + br = netdev_priv(br_dev); + + if (adding) + action = SWITCHDEV_FDB_ADD_TO_DEVICE; + else + action = SWITCHDEV_FDB_DEL_TO_DEVICE; + + rcu_read_lock(); + + hlist_for_each_entry_rcu(fdb, &br->fdb_list, fdb_node) { + err = br_fdb_replay_one(br, nb, fdb, action, ctx); + if (err) + break; + } + + rcu_read_unlock(); + + return err; +} + static int nbp_switchdev_sync_objs(struct net_bridge_port *p, const void *ctx, struct notifier_block *atomic_nb, struct notifier_block *blocking_nb, diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index 19f65ab91a02..57bd6ee72a07 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c @@ -293,7 +293,7 @@ static int __vlan_add(struct net_bridge_vlan *v, u16 flags, /* Add the dev mac and count the vlan only if it's usable */ if (br_vlan_should_use(v)) { - err = br_fdb_insert(br, p, dev->dev_addr, v->vid); + err = br_fdb_add_local(br, p, dev->dev_addr, v->vid); if (err) { br_err(br, "failed insert local address into bridge forwarding table\n"); goto out_filt; @@ -683,8 +683,7 @@ static int br_vlan_add_existing(struct net_bridge *br, goto err_flags; } /* It was only kept for port vlans, now make it real */ - err = br_fdb_insert(br, NULL, br->dev->dev_addr, - vlan->vid); + err = br_fdb_add_local(br, NULL, br->dev->dev_addr, vlan->vid); if (err) { br_err(br, "failed to insert local address into bridge forwarding table\n"); goto err_fdb_insert; |