diff options
Diffstat (limited to 'src/vnet/adj/adj_bfd.c')
| -rw-r--r-- | src/vnet/adj/adj_bfd.c | 51 |
1 files changed, 22 insertions, 29 deletions
diff --git a/src/vnet/adj/adj_bfd.c b/src/vnet/adj/adj_bfd.c index 2d787d41ab6..c1f02dd9073 100644 --- a/src/vnet/adj/adj_bfd.c +++ b/src/vnet/adj/adj_bfd.c @@ -114,9 +114,7 @@ void adj_bfd_notify (bfd_listen_event_e event, const bfd_session_t *session) { - const bfd_udp_key_t *key; adj_bfd_delegate_t *abd; - fib_protocol_t fproto; adj_delegate_t *aed; adj_index_t ai; @@ -129,19 +127,28 @@ adj_bfd_notify (bfd_listen_event_e event, return; } - key = &session->udp.key; - - fproto = (ip46_address_is_ip4 (&key->peer_addr) ? - FIB_PROTOCOL_IP4: - FIB_PROTOCOL_IP6); + switch (session->transport) + { + case BFD_TRANSPORT_UDP4: + case BFD_TRANSPORT_UDP6: + /* + * pick up the same adjacency that the BFD session is using + * to send. The BFD session is holding a lock on this adj. + */ + ai = session->udp.adj_index; + break; + default: + /* + * Don't know what adj this session uses + */ + return; + } - /* - * find the adj that corresponds to the BFD session. - */ - ai = adj_nbr_add_or_lock(fproto, - fib_proto_to_link(fproto), - &key->peer_addr, - key->sw_if_index); + if (INDEX_INVALID == ai) + { + /* No associated Adjacency with the session */ + return; + } switch (event) { @@ -160,13 +167,6 @@ adj_bfd_notify (bfd_listen_event_e event, else { /* - * lock the adj. add the delegate. - * Locking the adj prevents it being removed and thus maintains - * the BFD derived states - */ - adj_lock(ai); - - /* * allocate and init a new delegate struct */ pool_get(abd_pool, abd); @@ -213,14 +213,12 @@ adj_bfd_notify (bfd_listen_event_e event, { /* * has an associated BFD tracking delegate - * remove the BFD tracking delegate, update children, then - * unlock the adj + * remove the BFD tracking delegate, update children */ adj_delegate_remove(ai, ADJ_DELEGATE_BFD); pool_put(abd_pool, abd); adj_bfd_update_walk(ai); - adj_unlock(ai); } /* * else @@ -228,11 +226,6 @@ adj_bfd_notify (bfd_listen_event_e event, */ break; } - - /* - * unlock match of the add-or-lock at the start - */ - adj_unlock(ai); } int |