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Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/br.c3
-rw-r--r--net/bridge/br_fdb.c30
-rw-r--r--net/bridge/br_private.h2
3 files changed, 27 insertions, 8 deletions
diff --git a/net/bridge/br.c b/net/bridge/br.c
index d3a32c6813e0..c8ae823aa8e7 100644
--- a/net/bridge/br.c
+++ b/net/bridge/br.c
@@ -166,7 +166,8 @@ 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, false);
+ fdb_info->vid,
+ fdb_info->is_local, false);
if (err) {
err = notifier_from_errno(err);
break;
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index af31cebfda94..ddd09f5994a7 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -1011,7 +1011,8 @@ static int fdb_add_entry(struct net_bridge *br, struct net_bridge_port *source,
static int __br_fdb_add(struct ndmsg *ndm, struct net_bridge *br,
struct net_bridge_port *p, const unsigned char *addr,
- u16 nlh_flags, u16 vid, struct nlattr *nfea_tb[])
+ u16 nlh_flags, u16 vid, struct nlattr *nfea_tb[],
+ struct netlink_ext_ack *extack)
{
int err = 0;
@@ -1030,7 +1031,15 @@ 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, true);
+ if (!p && !(ndm->ndm_state & NUD_PERMANENT)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "FDB entry towards bridge must be permanent");
+ return -EINVAL;
+ }
+
+ err = br_fdb_external_learn_add(br, p, addr, vid,
+ ndm->ndm_state & NUD_PERMANENT,
+ true);
} else {
spin_lock_bh(&br->hash_lock);
err = fdb_add_entry(br, p, addr, ndm, nlh_flags, vid, nfea_tb);
@@ -1102,9 +1111,11 @@ int br_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
}
/* VID was specified, so use it. */
- err = __br_fdb_add(ndm, br, p, addr, nlh_flags, vid, nfea_tb);
+ err = __br_fdb_add(ndm, br, p, addr, nlh_flags, vid, nfea_tb,
+ extack);
} else {
- err = __br_fdb_add(ndm, br, p, addr, nlh_flags, 0, nfea_tb);
+ err = __br_fdb_add(ndm, br, p, addr, nlh_flags, 0, nfea_tb,
+ extack);
if (err || !vg || !vg->num_vlans)
goto out;
@@ -1116,7 +1127,7 @@ int br_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
if (!br_vlan_should_use(v))
continue;
err = __br_fdb_add(ndm, br, p, addr, nlh_flags, v->vid,
- nfea_tb);
+ nfea_tb, extack);
if (err)
goto out;
}
@@ -1256,7 +1267,7 @@ 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 is_local,
bool swdev_notify)
{
struct net_bridge_fdb_entry *fdb;
@@ -1273,6 +1284,10 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p,
if (swdev_notify)
flags |= BIT(BR_FDB_ADDED_BY_USER);
+
+ if (is_local)
+ flags |= BIT(BR_FDB_LOCAL);
+
fdb = fdb_create(br, p, addr, vid, flags);
if (!fdb) {
err = -ENOMEM;
@@ -1299,6 +1314,9 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p,
if (swdev_notify)
set_bit(BR_FDB_ADDED_BY_USER, &fdb->flags);
+ if (is_local)
+ set_bit(BR_FDB_LOCAL, &fdb->flags);
+
if (modified)
fdb_notify(br, fdb, RTM_NEWNEIGH, swdev_notify);
}
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 10d43bf4bb80..51991f1b3e5a 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -770,7 +770,7 @@ int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev,
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 is_local,
bool swdev_notify);
int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p,
const unsigned char *addr, u16 vid,