Lines Matching refs:fdb
72 const struct net_bridge_fdb_entry *fdb) in has_expired() argument
74 return !test_bit(BR_FDB_STATIC, &fdb->flags) && in has_expired()
75 !test_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags) && in has_expired()
76 time_before_eq(fdb->updated + hold_time(br), jiffies); in has_expired()
87 const struct net_bridge_fdb_entry *fdb) in fdb_to_nud() argument
89 if (test_bit(BR_FDB_LOCAL, &fdb->flags)) in fdb_to_nud()
91 else if (test_bit(BR_FDB_STATIC, &fdb->flags)) in fdb_to_nud()
93 else if (has_expired(br, fdb)) in fdb_to_nud()
100 const struct net_bridge_fdb_entry *fdb, in fdb_fill_info() argument
103 const struct net_bridge_port *dst = READ_ONCE(fdb->dst); in fdb_fill_info()
120 ndm->ndm_state = fdb_to_nud(br, fdb); in fdb_fill_info()
122 if (test_bit(BR_FDB_OFFLOADED, &fdb->flags)) in fdb_fill_info()
124 if (test_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags)) in fdb_fill_info()
126 if (test_bit(BR_FDB_STICKY, &fdb->flags)) in fdb_fill_info()
129 if (nla_put(skb, NDA_LLADDR, ETH_ALEN, &fdb->key.addr)) in fdb_fill_info()
133 ci.ndm_used = jiffies_to_clock_t(now - fdb->used); in fdb_fill_info()
135 ci.ndm_updated = jiffies_to_clock_t(now - fdb->updated); in fdb_fill_info()
140 if (fdb->key.vlan_id && nla_put(skb, NDA_VLAN, sizeof(u16), in fdb_fill_info()
141 &fdb->key.vlan_id)) in fdb_fill_info()
144 if (test_bit(BR_FDB_NOTIFY, &fdb->flags)) { in fdb_fill_info()
150 if (test_bit(BR_FDB_NOTIFY_INACTIVE, &fdb->flags)) in fdb_fill_info()
181 const struct net_bridge_fdb_entry *fdb, int type, in fdb_notify() argument
189 br_switchdev_fdb_notify(br, fdb, type); in fdb_notify()
195 err = fdb_fill_info(skb, br, fdb, 0, 0, type, 0); in fdb_notify()
227 struct net_bridge_fdb_entry *fdb; in br_fdb_find() local
232 fdb = fdb_find_rcu(&br->fdb_hash_tbl, addr, vid); in br_fdb_find()
235 return fdb; in br_fdb_find()
384 struct net_bridge_fdb_entry *fdb; in fdb_create() local
387 fdb = kmem_cache_alloc(br_fdb_cache, GFP_ATOMIC); in fdb_create()
388 if (!fdb) in fdb_create()
391 memcpy(fdb->key.addr.addr, addr, ETH_ALEN); in fdb_create()
392 WRITE_ONCE(fdb->dst, source); in fdb_create()
393 fdb->key.vlan_id = vid; in fdb_create()
394 fdb->flags = flags; in fdb_create()
395 fdb->updated = fdb->used = jiffies; in fdb_create()
396 err = rhashtable_lookup_insert_fast(&br->fdb_hash_tbl, &fdb->rhnode, in fdb_create()
399 kmem_cache_free(br_fdb_cache, fdb); in fdb_create()
403 hlist_add_head_rcu(&fdb->fdb_node, &br->fdb_list); in fdb_create()
405 return fdb; in fdb_create()
411 struct net_bridge_fdb_entry *fdb; in fdb_add_local() local
416 fdb = br_fdb_find(br, addr, vid); in fdb_add_local()
417 if (fdb) { in fdb_add_local()
421 if (test_bit(BR_FDB_LOCAL, &fdb->flags)) in fdb_add_local()
425 fdb_delete(br, fdb, true); in fdb_add_local()
428 fdb = fdb_create(br, source, addr, vid, in fdb_add_local()
430 if (!fdb) in fdb_add_local()
434 fdb_notify(br, fdb, RTM_NEWNEIGH, true); in fdb_add_local()
612 struct net_bridge_fdb_entry *fdb; in br_fdb_test_addr() local
623 fdb = br_fdb_find_rcu(port->br, addr, 0); in br_fdb_test_addr()
624 if (fdb) in br_fdb_test_addr()
625 dst = READ_ONCE(fdb->dst); in br_fdb_test_addr()
697 static bool __fdb_mark_active(struct net_bridge_fdb_entry *fdb) in __fdb_mark_active() argument
699 return !!(test_bit(BR_FDB_NOTIFY_INACTIVE, &fdb->flags) && in __fdb_mark_active()
700 test_and_clear_bit(BR_FDB_NOTIFY_INACTIVE, &fdb->flags)); in __fdb_mark_active()
706 struct net_bridge_fdb_entry *fdb; in br_fdb_update() local
712 fdb = fdb_find_rcu(&br->fdb_hash_tbl, addr, vid); in br_fdb_update()
713 if (likely(fdb)) { in br_fdb_update()
715 if (unlikely(test_bit(BR_FDB_LOCAL, &fdb->flags))) { in br_fdb_update()
723 if (now != fdb->updated) { in br_fdb_update()
724 fdb->updated = now; in br_fdb_update()
725 fdb_modified = __fdb_mark_active(fdb); in br_fdb_update()
729 if (unlikely(source != READ_ONCE(fdb->dst) && in br_fdb_update()
730 !test_bit(BR_FDB_STICKY, &fdb->flags))) { in br_fdb_update()
731 br_switchdev_fdb_notify(br, fdb, RTM_DELNEIGH); in br_fdb_update()
732 WRITE_ONCE(fdb->dst, source); in br_fdb_update()
736 &fdb->flags))) in br_fdb_update()
738 &fdb->flags); in br_fdb_update()
742 set_bit(BR_FDB_ADDED_BY_USER, &fdb->flags); in br_fdb_update()
745 fdb_notify(br, fdb, RTM_NEWNEIGH, true); in br_fdb_update()
750 fdb = fdb_create(br, source, addr, vid, flags); in br_fdb_update()
751 if (fdb) { in br_fdb_update()
753 fdb_notify(br, fdb, RTM_NEWNEIGH, true); in br_fdb_update()
842 static bool fdb_handle_notify(struct net_bridge_fdb_entry *fdb, u8 notify) in fdb_handle_notify() argument
848 !test_and_set_bit(BR_FDB_NOTIFY_INACTIVE, &fdb->flags)) in fdb_handle_notify()
852 !test_and_set_bit(BR_FDB_NOTIFY, &fdb->flags)) { in fdb_handle_notify()
856 test_and_clear_bit(BR_FDB_NOTIFY, &fdb->flags)) { in fdb_handle_notify()
858 clear_bit(BR_FDB_NOTIFY_INACTIVE, &fdb->flags); in fdb_handle_notify()
872 struct net_bridge_fdb_entry *fdb; in fdb_add_entry() local
899 fdb = br_fdb_find(br, addr, vid); in fdb_add_entry()
900 if (fdb == NULL) { in fdb_add_entry()
904 fdb = fdb_create(br, source, addr, vid, 0); in fdb_add_entry()
905 if (!fdb) in fdb_add_entry()
913 if (READ_ONCE(fdb->dst) != source) { in fdb_add_entry()
914 WRITE_ONCE(fdb->dst, source); in fdb_add_entry()
919 if (fdb_to_nud(br, fdb) != state) { in fdb_add_entry()
921 set_bit(BR_FDB_LOCAL, &fdb->flags); in fdb_add_entry()
922 if (!test_and_set_bit(BR_FDB_STATIC, &fdb->flags)) in fdb_add_entry()
925 clear_bit(BR_FDB_LOCAL, &fdb->flags); in fdb_add_entry()
926 if (!test_and_set_bit(BR_FDB_STATIC, &fdb->flags)) in fdb_add_entry()
929 clear_bit(BR_FDB_LOCAL, &fdb->flags); in fdb_add_entry()
930 if (test_and_clear_bit(BR_FDB_STATIC, &fdb->flags)) in fdb_add_entry()
937 if (is_sticky != test_bit(BR_FDB_STICKY, &fdb->flags)) { in fdb_add_entry()
938 change_bit(BR_FDB_STICKY, &fdb->flags); in fdb_add_entry()
942 if (fdb_handle_notify(fdb, notify)) in fdb_add_entry()
945 set_bit(BR_FDB_ADDED_BY_USER, &fdb->flags); in fdb_add_entry()
947 fdb->used = jiffies; in fdb_add_entry()
950 fdb->updated = jiffies; in fdb_add_entry()
951 fdb_notify(br, fdb, RTM_NEWNEIGH, true); in fdb_add_entry()
1086 struct net_bridge_fdb_entry *fdb; in fdb_delete_by_addr_and_port() local
1088 fdb = br_fdb_find(br, addr, vlan); in fdb_delete_by_addr_and_port()
1089 if (!fdb || READ_ONCE(fdb->dst) != p) in fdb_delete_by_addr_and_port()
1092 fdb_delete(br, fdb, true); in fdb_delete_by_addr_and_port()
1215 struct net_bridge_fdb_entry *fdb; in br_fdb_external_learn_add() local
1223 fdb = br_fdb_find(br, addr, vid); in br_fdb_external_learn_add()
1224 if (!fdb) { in br_fdb_external_learn_add()
1233 fdb = fdb_create(br, p, addr, vid, flags); in br_fdb_external_learn_add()
1234 if (!fdb) { in br_fdb_external_learn_add()
1238 fdb_notify(br, fdb, RTM_NEWNEIGH, swdev_notify); in br_fdb_external_learn_add()
1240 fdb->updated = jiffies; in br_fdb_external_learn_add()
1242 if (READ_ONCE(fdb->dst) != p) { in br_fdb_external_learn_add()
1243 WRITE_ONCE(fdb->dst, p); in br_fdb_external_learn_add()
1247 if (test_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags)) { in br_fdb_external_learn_add()
1249 fdb->used = jiffies; in br_fdb_external_learn_add()
1250 } else if (!test_bit(BR_FDB_ADDED_BY_USER, &fdb->flags)) { in br_fdb_external_learn_add()
1252 set_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags); in br_fdb_external_learn_add()
1257 set_bit(BR_FDB_ADDED_BY_USER, &fdb->flags); in br_fdb_external_learn_add()
1260 set_bit(BR_FDB_LOCAL, &fdb->flags); in br_fdb_external_learn_add()
1263 fdb_notify(br, fdb, RTM_NEWNEIGH, swdev_notify); in br_fdb_external_learn_add()
1276 struct net_bridge_fdb_entry *fdb; in br_fdb_external_learn_del() local
1281 fdb = br_fdb_find(br, addr, vid); in br_fdb_external_learn_del()
1282 if (fdb && test_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags)) in br_fdb_external_learn_del()
1283 fdb_delete(br, fdb, swdev_notify); in br_fdb_external_learn_del()
1295 struct net_bridge_fdb_entry *fdb; in br_fdb_offloaded_set() local
1299 fdb = br_fdb_find(br, addr, vid); in br_fdb_offloaded_set()
1300 if (fdb && offloaded != test_bit(BR_FDB_OFFLOADED, &fdb->flags)) in br_fdb_offloaded_set()
1301 change_bit(BR_FDB_OFFLOADED, &fdb->flags); in br_fdb_offloaded_set()