diff options
-rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c | 4 | ||||
-rw-r--r-- | drivers/net/ethernet/rocker/rocker_main.c | 2 | ||||
-rw-r--r-- | include/net/switchdev.h | 1 | ||||
-rw-r--r-- | net/bridge/br.c | 4 | ||||
-rw-r--r-- | net/bridge/br_fdb.c | 47 | ||||
-rw-r--r-- | net/bridge/br_private.h | 6 | ||||
-rw-r--r-- | net/bridge/br_switchdev.c | 12 | ||||
-rw-r--r-- | net/dsa/slave.c | 5 |
8 files changed, 51 insertions, 30 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c index 1af99fe5fd32..3973d90cc908 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c @@ -2270,6 +2270,8 @@ static void mlxsw_sp_switchdev_event_work(struct work_struct *work) switch (switchdev_work->event) { case SWITCHDEV_FDB_ADD_TO_DEVICE: fdb_info = &switchdev_work->fdb_info; + if (!fdb_info->added_by_user) + break; err = mlxsw_sp_port_fdb_set(mlxsw_sp_port, fdb_info, true); if (err) break; @@ -2279,6 +2281,8 @@ static void mlxsw_sp_switchdev_event_work(struct work_struct *work) break; case SWITCHDEV_FDB_DEL_TO_DEVICE: fdb_info = &switchdev_work->fdb_info; + if (!fdb_info->added_by_user) + break; mlxsw_sp_port_fdb_set(mlxsw_sp_port, fdb_info, false); break; case SWITCHDEV_FDB_ADD_TO_BRIDGE: /* fall through */ diff --git a/drivers/net/ethernet/rocker/rocker_main.c b/drivers/net/ethernet/rocker/rocker_main.c index 056cb6093630..152d6948611c 100644 --- a/drivers/net/ethernet/rocker/rocker_main.c +++ b/drivers/net/ethernet/rocker/rocker_main.c @@ -2783,6 +2783,8 @@ static int rocker_switchdev_event(struct notifier_block *unused, switch (event) { case SWITCHDEV_FDB_ADD_TO_DEVICE: /* fall through */ case SWITCHDEV_FDB_DEL_TO_DEVICE: + if (!fdb_info->added_by_user) + break; memcpy(&switchdev_work->fdb_info, ptr, sizeof(switchdev_work->fdb_info)); switchdev_work->fdb_info.addr = kzalloc(ETH_ALEN, GFP_ATOMIC); diff --git a/include/net/switchdev.h b/include/net/switchdev.h index 39bc855d7fee..d574ce63bf22 100644 --- a/include/net/switchdev.h +++ b/include/net/switchdev.h @@ -155,6 +155,7 @@ struct switchdev_notifier_fdb_info { struct switchdev_notifier_info info; /* must be first */ const unsigned char *addr; u16 vid; + bool added_by_user; }; static inline struct net_device * diff --git a/net/bridge/br.c b/net/bridge/br.c index 2ca035054664..b0a0b82e2d91 100644 --- a/net/bridge/br.c +++ b/net/bridge/br.c @@ -145,7 +145,7 @@ static int br_switchdev_event(struct notifier_block *unused, case SWITCHDEV_FDB_ADD_TO_BRIDGE: fdb_info = ptr; err = br_fdb_external_learn_add(br, p, fdb_info->addr, - fdb_info->vid); + fdb_info->vid, false); if (err) { err = notifier_from_errno(err); break; @@ -156,7 +156,7 @@ static int br_switchdev_event(struct notifier_block *unused, case SWITCHDEV_FDB_DEL_TO_BRIDGE: fdb_info = ptr; err = br_fdb_external_learn_del(br, p, fdb_info->addr, - fdb_info->vid); + fdb_info->vid, false); if (err) err = notifier_from_errno(err); break; diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index a1c409cacec4..b19e3104afd6 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -40,7 +40,7 @@ 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); + const struct net_bridge_fdb_entry *, int, bool); int __init br_fdb_init(void) { @@ -195,7 +195,8 @@ static void fdb_del_hw_addr(struct net_bridge *br, const unsigned char *addr) } } -static void fdb_delete(struct net_bridge *br, struct net_bridge_fdb_entry *f) +static void fdb_delete(struct net_bridge *br, struct net_bridge_fdb_entry *f, + bool swdev_notify) { trace_fdb_delete(br, f); @@ -205,7 +206,7 @@ static void fdb_delete(struct net_bridge *br, struct net_bridge_fdb_entry *f) hlist_del_init_rcu(&f->fdb_node); rhashtable_remove_fast(&br->fdb_hash_tbl, &f->rhnode, br_fdb_rht_params); - fdb_notify(br, f, RTM_DELNEIGH); + fdb_notify(br, f, RTM_DELNEIGH, swdev_notify); call_rcu(&f->rcu, fdb_rcu_free); } @@ -241,7 +242,7 @@ static void fdb_delete_local(struct net_bridge *br, return; } - fdb_delete(br, f); + fdb_delete(br, f, true); } void br_fdb_find_delete_local(struct net_bridge *br, @@ -356,7 +357,7 @@ void br_fdb_cleanup(struct work_struct *work) } else { spin_lock_bh(&br->hash_lock); if (!hlist_unhashed(&f->fdb_node)) - fdb_delete(br, f); + fdb_delete(br, f, true); spin_unlock_bh(&br->hash_lock); } } @@ -376,7 +377,7 @@ void br_fdb_flush(struct net_bridge *br) spin_lock_bh(&br->hash_lock); hlist_for_each_entry_safe(f, tmp, &br->fdb_list, fdb_node) { if (!f->is_static) - fdb_delete(br, f); + fdb_delete(br, f, true); } spin_unlock_bh(&br->hash_lock); } @@ -405,7 +406,7 @@ void br_fdb_delete_by_port(struct net_bridge *br, if (f->is_local) fdb_delete_local(br, p, f); else - fdb_delete(br, f); + fdb_delete(br, f, true); } spin_unlock_bh(&br->hash_lock); } @@ -531,7 +532,7 @@ static int fdb_insert(struct net_bridge *br, struct net_bridge_port *source, 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); + fdb_delete(br, fdb, true); } fdb = fdb_create(br, source, addr, vid, 1, 1); @@ -539,7 +540,7 @@ static int fdb_insert(struct net_bridge *br, struct net_bridge_port *source, return -ENOMEM; fdb_add_hw_addr(br, addr); - fdb_notify(br, fdb, RTM_NEWNEIGH); + fdb_notify(br, fdb, RTM_NEWNEIGH, true); return 0; } @@ -594,7 +595,7 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, fdb->added_by_user = 1; if (unlikely(fdb_modified)) { trace_br_fdb_update(br, source, addr, vid, added_by_user); - fdb_notify(br, fdb, RTM_NEWNEIGH); + fdb_notify(br, fdb, RTM_NEWNEIGH, true); } } } else { @@ -605,7 +606,7 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, fdb->added_by_user = 1; trace_br_fdb_update(br, source, addr, vid, added_by_user); - fdb_notify(br, fdb, RTM_NEWNEIGH); + fdb_notify(br, fdb, RTM_NEWNEIGH, true); } /* else we lose race and someone else inserts * it first, don't bother updating @@ -687,13 +688,15 @@ static inline size_t fdb_nlmsg_size(void) } static void fdb_notify(struct net_bridge *br, - const struct net_bridge_fdb_entry *fdb, int type) + 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; - br_switchdev_fdb_notify(fdb, type); + if (swdev_notify) + br_switchdev_fdb_notify(fdb, type); skb = nlmsg_new(fdb_nlmsg_size(), GFP_ATOMIC); if (skb == NULL) @@ -832,7 +835,7 @@ static int fdb_add_entry(struct net_bridge *br, struct net_bridge_port *source, fdb->used = jiffies; if (modified) { fdb->updated = jiffies; - fdb_notify(br, fdb, RTM_NEWNEIGH); + fdb_notify(br, fdb, RTM_NEWNEIGH, true); } return 0; @@ -856,7 +859,7 @@ static int __br_fdb_add(struct ndmsg *ndm, struct net_bridge *br, rcu_read_unlock(); local_bh_enable(); } else if (ndm->ndm_flags & NTF_EXT_LEARNED) { - err = br_fdb_external_learn_add(br, p, addr, vid); + err = br_fdb_external_learn_add(br, p, addr, vid, true); } else { spin_lock_bh(&br->hash_lock); err = fdb_add_entry(br, p, addr, ndm->ndm_state, @@ -945,7 +948,7 @@ static int fdb_delete_by_addr_and_port(struct net_bridge *br, if (!fdb || fdb->dst != p) return -ENOENT; - fdb_delete(br, fdb); + fdb_delete(br, fdb, true); return 0; } @@ -1065,7 +1068,8 @@ void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p) } int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, - const unsigned char *addr, u16 vid) + const unsigned char *addr, u16 vid, + bool swdev_notify) { struct net_bridge_fdb_entry *fdb; bool modified = false; @@ -1083,7 +1087,7 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, goto err_unlock; } fdb->added_by_external_learn = 1; - fdb_notify(br, fdb, RTM_NEWNEIGH); + fdb_notify(br, fdb, RTM_NEWNEIGH, swdev_notify); } else { fdb->updated = jiffies; @@ -1102,7 +1106,7 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, } if (modified) - fdb_notify(br, fdb, RTM_NEWNEIGH); + fdb_notify(br, fdb, RTM_NEWNEIGH, swdev_notify); } err_unlock: @@ -1112,7 +1116,8 @@ err_unlock: } int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, - const unsigned char *addr, u16 vid) + const unsigned char *addr, u16 vid, + bool swdev_notify) { struct net_bridge_fdb_entry *fdb; int err = 0; @@ -1121,7 +1126,7 @@ int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, fdb = br_fdb_find(br, addr, vid); if (fdb && fdb->added_by_external_learn) - fdb_delete(br, fdb); + fdb_delete(br, fdb, swdev_notify); else err = -ENOENT; diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 0ddeeea2c6a7..742f40aefdaf 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -553,9 +553,11 @@ int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, - const unsigned char *addr, u16 vid); + const unsigned char *addr, u16 vid, + bool swdev_notify); int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, - const unsigned char *addr, u16 vid); + const unsigned char *addr, u16 vid, + bool swdev_notify); void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p, const unsigned char *addr, u16 vid); diff --git a/net/bridge/br_switchdev.c b/net/bridge/br_switchdev.c index ee775f4ff76c..35474d49555d 100644 --- a/net/bridge/br_switchdev.c +++ b/net/bridge/br_switchdev.c @@ -102,13 +102,15 @@ int br_switchdev_set_port_flag(struct net_bridge_port *p, static void br_switchdev_fdb_call_notifiers(bool adding, const unsigned char *mac, - u16 vid, struct net_device *dev) + u16 vid, struct net_device *dev, + bool added_by_user) { struct switchdev_notifier_fdb_info info; unsigned long notifier_type; info.addr = mac; info.vid = vid; + info.added_by_user = added_by_user; notifier_type = adding ? SWITCHDEV_FDB_ADD_TO_DEVICE : SWITCHDEV_FDB_DEL_TO_DEVICE; call_switchdev_notifiers(notifier_type, dev, &info.info); } @@ -116,19 +118,21 @@ br_switchdev_fdb_call_notifiers(bool adding, const unsigned char *mac, void br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type) { - if (!fdb->added_by_user || !fdb->dst) + if (!fdb->dst) return; switch (type) { case RTM_DELNEIGH: br_switchdev_fdb_call_notifiers(false, fdb->key.addr.addr, fdb->key.vlan_id, - fdb->dst->dev); + fdb->dst->dev, + fdb->added_by_user); break; case RTM_NEWNEIGH: br_switchdev_fdb_call_notifiers(true, fdb->key.addr.addr, fdb->key.vlan_id, - fdb->dst->dev); + fdb->dst->dev, + fdb->added_by_user); break; } } diff --git a/net/dsa/slave.c b/net/dsa/slave.c index f3fb3a0880b1..c287f1ef964c 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -1441,6 +1441,7 @@ static int dsa_slave_switchdev_event(struct notifier_block *unused, unsigned long event, void *ptr) { struct net_device *dev = switchdev_notifier_info_to_dev(ptr); + struct switchdev_notifier_fdb_info *fdb_info = ptr; struct dsa_switchdev_event_work *switchdev_work; if (!dsa_slave_dev_check(dev)) @@ -1458,8 +1459,10 @@ static int dsa_slave_switchdev_event(struct notifier_block *unused, switch (event) { case SWITCHDEV_FDB_ADD_TO_DEVICE: /* fall through */ case SWITCHDEV_FDB_DEL_TO_DEVICE: + if (!fdb_info->added_by_user) + break; if (dsa_slave_switchdev_fdb_work_init(switchdev_work, - ptr)) + fdb_info)) goto err_fdb_work_init; dev_hold(dev); break; |