extern struct zclient *zclient;
/*
- * bgp_bfd_peer_group2peer_copy - Copy the BFD information from peer group template
+ * bgp_bfd_peer_group2peer_copy - Copy the BFD information from peer group
+ * template
* to peer.
*/
-void
-bgp_bfd_peer_group2peer_copy(struct peer *conf, struct peer *peer)
+void bgp_bfd_peer_group2peer_copy(struct peer *conf, struct peer *peer)
{
- struct bfd_info *bfd_info;
- struct bfd_info *conf_bfd_info;
+ struct bfd_info *bfd_info;
+ struct bfd_info *conf_bfd_info;
- if (!conf->bfd_info)
- return;
+ if (!conf->bfd_info)
+ return;
- conf_bfd_info = (struct bfd_info *)conf->bfd_info;
- if (!peer->bfd_info)
- peer->bfd_info = bfd_info_create();
+ conf_bfd_info = (struct bfd_info *)conf->bfd_info;
+ if (!peer->bfd_info)
+ peer->bfd_info = bfd_info_create();
- bfd_info = (struct bfd_info *)peer->bfd_info;
+ bfd_info = (struct bfd_info *)peer->bfd_info;
- /* Copy BFD parameter values */
- bfd_info->required_min_rx = conf_bfd_info->required_min_rx;
- bfd_info->desired_min_tx = conf_bfd_info->desired_min_tx;
- bfd_info->detect_mult = conf_bfd_info->detect_mult;
- bfd_info->type = conf_bfd_info->type;
+ /* Copy BFD parameter values */
+ bfd_info->required_min_rx = conf_bfd_info->required_min_rx;
+ bfd_info->desired_min_tx = conf_bfd_info->desired_min_tx;
+ bfd_info->detect_mult = conf_bfd_info->detect_mult;
+ bfd_info->type = conf_bfd_info->type;
}
/*
- * bgp_bfd_is_peer_multihop - returns whether BFD peer is multi-hop or single hop.
+ * bgp_bfd_is_peer_multihop - returns whether BFD peer is multi-hop or single
+ * hop.
*/
-int
-bgp_bfd_is_peer_multihop(struct peer *peer)
+int bgp_bfd_is_peer_multihop(struct peer *peer)
{
- struct bfd_info *bfd_info;
+ struct bfd_info *bfd_info;
- bfd_info = (struct bfd_info *)peer->bfd_info;
+ bfd_info = (struct bfd_info *)peer->bfd_info;
- if (!bfd_info)
- return 0;
+ if (!bfd_info)
+ return 0;
- if((bfd_info->type == BFD_TYPE_MULTIHOP) ||
- ((peer->sort == BGP_PEER_IBGP) && !peer->shared_network) ||
- is_ebgp_multihop_configured(peer))
- return 1;
- else
- return 0;
+ if ((bfd_info->type == BFD_TYPE_MULTIHOP)
+ || ((peer->sort == BGP_PEER_IBGP) && !peer->shared_network)
+ || is_ebgp_multihop_configured(peer))
+ return 1;
+ else
+ return 0;
}
/*
* bgp_bfd_peer_sendmsg - Format and send a Peer register/Unregister
* command to Zebra to be forwarded to BFD
*/
-static void
-bgp_bfd_peer_sendmsg (struct peer *peer, int command)
+static void bgp_bfd_peer_sendmsg(struct peer *peer, int command)
{
- struct bfd_info *bfd_info;
- vrf_id_t vrf_id = VRF_DEFAULT;
- int multihop;
-
- bfd_info = (struct bfd_info *)peer->bfd_info;
-
- if (peer->bgp && (peer->bgp->inst_type == BGP_INSTANCE_TYPE_VRF))
- vrf_id = peer->bgp->vrf_id;
-
- if (command == ZEBRA_BFD_DEST_DEREGISTER)
- {
- multihop = CHECK_FLAG(bfd_info->flags, BFD_FLAG_BFD_TYPE_MULTIHOP);
- UNSET_FLAG(bfd_info->flags, BFD_FLAG_BFD_TYPE_MULTIHOP);
- }
- else
- {
- multihop = bgp_bfd_is_peer_multihop(peer);
- if ((command == ZEBRA_BFD_DEST_REGISTER) && multihop)
- SET_FLAG(bfd_info->flags, BFD_FLAG_BFD_TYPE_MULTIHOP);
- }
-
- if (peer->su.sa.sa_family == AF_INET)
- bfd_peer_sendmsg (zclient, bfd_info, AF_INET,
- &peer->su.sin.sin_addr,
- (peer->su_local) ? &peer->su_local->sin.sin_addr : NULL,
- (peer->nexthop.ifp) ? peer->nexthop.ifp->name : NULL,
- peer->ttl, multihop, command, 1, vrf_id);
- else if (peer->su.sa.sa_family == AF_INET6)
- bfd_peer_sendmsg (zclient, bfd_info, AF_INET6,
- &peer->su.sin6.sin6_addr,
- (peer->su_local) ? &peer->su_local->sin6.sin6_addr : NULL,
- (peer->nexthop.ifp) ? peer->nexthop.ifp->name : NULL,
- peer->ttl, multihop, command, 1, vrf_id);
+ struct bfd_info *bfd_info;
+ vrf_id_t vrf_id = VRF_DEFAULT;
+ int multihop;
+
+ bfd_info = (struct bfd_info *)peer->bfd_info;
+
+ if (peer->bgp && (peer->bgp->inst_type == BGP_INSTANCE_TYPE_VRF))
+ vrf_id = peer->bgp->vrf_id;
+
+ if (command == ZEBRA_BFD_DEST_DEREGISTER) {
+ multihop =
+ CHECK_FLAG(bfd_info->flags, BFD_FLAG_BFD_TYPE_MULTIHOP);
+ UNSET_FLAG(bfd_info->flags, BFD_FLAG_BFD_TYPE_MULTIHOP);
+ } else {
+ multihop = bgp_bfd_is_peer_multihop(peer);
+ if ((command == ZEBRA_BFD_DEST_REGISTER) && multihop)
+ SET_FLAG(bfd_info->flags, BFD_FLAG_BFD_TYPE_MULTIHOP);
+ }
+
+ if (peer->su.sa.sa_family == AF_INET)
+ bfd_peer_sendmsg(
+ zclient, bfd_info, AF_INET, &peer->su.sin.sin_addr,
+ (peer->su_local) ? &peer->su_local->sin.sin_addr : NULL,
+ (peer->nexthop.ifp) ? peer->nexthop.ifp->name : NULL,
+ peer->ttl, multihop, command, 1, vrf_id);
+ else if (peer->su.sa.sa_family == AF_INET6)
+ bfd_peer_sendmsg(
+ zclient, bfd_info, AF_INET6, &peer->su.sin6.sin6_addr,
+ (peer->su_local) ? &peer->su_local->sin6.sin6_addr
+ : NULL,
+ (peer->nexthop.ifp) ? peer->nexthop.ifp->name : NULL,
+ peer->ttl, multihop, command, 1, vrf_id);
}
/*
* bgp_bfd_register_peer - register a peer with BFD through zebra
* for monitoring the peer rechahability.
*/
-void
-bgp_bfd_register_peer (struct peer *peer)
+void bgp_bfd_register_peer(struct peer *peer)
{
- struct bfd_info *bfd_info;
+ struct bfd_info *bfd_info;
- if (!peer->bfd_info)
- return;
- bfd_info = (struct bfd_info *)peer->bfd_info;
+ if (!peer->bfd_info)
+ return;
+ bfd_info = (struct bfd_info *)peer->bfd_info;
- /* Check if BFD is enabled and peer has already been registered with BFD */
- if (CHECK_FLAG(bfd_info->flags, BFD_FLAG_BFD_REG))
- return;
+ /* Check if BFD is enabled and peer has already been registered with BFD
+ */
+ if (CHECK_FLAG(bfd_info->flags, BFD_FLAG_BFD_REG))
+ return;
- bgp_bfd_peer_sendmsg(peer, ZEBRA_BFD_DEST_REGISTER);
+ bgp_bfd_peer_sendmsg(peer, ZEBRA_BFD_DEST_REGISTER);
}
/**
* for stopping the monitoring of the peer
* rechahability.
*/
-void
-bgp_bfd_deregister_peer (struct peer *peer)
+void bgp_bfd_deregister_peer(struct peer *peer)
{
- struct bfd_info *bfd_info;
+ struct bfd_info *bfd_info;
- if (!peer->bfd_info)
- return;
- bfd_info = (struct bfd_info *)peer->bfd_info;
+ if (!peer->bfd_info)
+ return;
+ bfd_info = (struct bfd_info *)peer->bfd_info;
- /* Check if BFD is eanbled and peer has not been registered */
- if (!CHECK_FLAG(bfd_info->flags, BFD_FLAG_BFD_REG))
- return;
+ /* Check if BFD is eanbled and peer has not been registered */
+ if (!CHECK_FLAG(bfd_info->flags, BFD_FLAG_BFD_REG))
+ return;
- bfd_info->status = BFD_STATUS_DOWN;
- bfd_info->last_update = bgp_clock();
+ bfd_info->status = BFD_STATUS_DOWN;
+ bfd_info->last_update = bgp_clock();
- bgp_bfd_peer_sendmsg(peer, ZEBRA_BFD_DEST_DEREGISTER);
+ bgp_bfd_peer_sendmsg(peer, ZEBRA_BFD_DEST_DEREGISTER);
}
/*
* bgp_bfd_update_peer - update peer with BFD with new BFD paramters
* through zebra.
*/
-static void
-bgp_bfd_update_peer (struct peer *peer)
+static void bgp_bfd_update_peer(struct peer *peer)
{
- struct bfd_info *bfd_info;
+ struct bfd_info *bfd_info;
- if (!peer->bfd_info)
- return;
- bfd_info = (struct bfd_info *)peer->bfd_info;
+ if (!peer->bfd_info)
+ return;
+ bfd_info = (struct bfd_info *)peer->bfd_info;
- /* Check if the peer has been registered with BFD*/
- if (!CHECK_FLAG(bfd_info->flags, BFD_FLAG_BFD_REG))
- return;
+ /* Check if the peer has been registered with BFD*/
+ if (!CHECK_FLAG(bfd_info->flags, BFD_FLAG_BFD_REG))
+ return;
- bgp_bfd_peer_sendmsg(peer, ZEBRA_BFD_DEST_UPDATE);
+ bgp_bfd_peer_sendmsg(peer, ZEBRA_BFD_DEST_UPDATE);
}
/*
* bgp_bfd_update_type - update session type with BFD through zebra.
*/
-static void
-bgp_bfd_update_type (struct peer *peer)
+static void bgp_bfd_update_type(struct peer *peer)
{
- struct bfd_info *bfd_info;
- int multihop;
-
- if (!peer->bfd_info)
- return;
- bfd_info = (struct bfd_info *)peer->bfd_info;
-
- /* Check if the peer has been registered with BFD*/
- if (!CHECK_FLAG(bfd_info->flags, BFD_FLAG_BFD_REG))
- return;
-
- if (bfd_info->type == BFD_TYPE_NOT_CONFIGURED)
- {
- multihop = bgp_bfd_is_peer_multihop(peer);
- if ((multihop && !CHECK_FLAG(bfd_info->flags, BFD_FLAG_BFD_TYPE_MULTIHOP)) ||
- (!multihop && CHECK_FLAG(bfd_info->flags, BFD_FLAG_BFD_TYPE_MULTIHOP)))
- {
- bgp_bfd_peer_sendmsg(peer, ZEBRA_BFD_DEST_DEREGISTER);
- bgp_bfd_peer_sendmsg(peer, ZEBRA_BFD_DEST_REGISTER);
- }
- }
- else
- {
- if ((bfd_info->type == BFD_TYPE_MULTIHOP &&
- !CHECK_FLAG(bfd_info->flags, BFD_FLAG_BFD_TYPE_MULTIHOP)) ||
- (bfd_info->type == BFD_TYPE_SINGLEHOP &&
- CHECK_FLAG(bfd_info->flags, BFD_FLAG_BFD_TYPE_MULTIHOP)))
- {
- bgp_bfd_peer_sendmsg(peer, ZEBRA_BFD_DEST_DEREGISTER);
- bgp_bfd_peer_sendmsg(peer, ZEBRA_BFD_DEST_REGISTER);
- }
- }
+ struct bfd_info *bfd_info;
+ int multihop;
+
+ if (!peer->bfd_info)
+ return;
+ bfd_info = (struct bfd_info *)peer->bfd_info;
+
+ /* Check if the peer has been registered with BFD*/
+ if (!CHECK_FLAG(bfd_info->flags, BFD_FLAG_BFD_REG))
+ return;
+
+ if (bfd_info->type == BFD_TYPE_NOT_CONFIGURED) {
+ multihop = bgp_bfd_is_peer_multihop(peer);
+ if ((multihop
+ && !CHECK_FLAG(bfd_info->flags,
+ BFD_FLAG_BFD_TYPE_MULTIHOP))
+ || (!multihop && CHECK_FLAG(bfd_info->flags,
+ BFD_FLAG_BFD_TYPE_MULTIHOP))) {
+ bgp_bfd_peer_sendmsg(peer, ZEBRA_BFD_DEST_DEREGISTER);
+ bgp_bfd_peer_sendmsg(peer, ZEBRA_BFD_DEST_REGISTER);
+ }
+ } else {
+ if ((bfd_info->type == BFD_TYPE_MULTIHOP
+ && !CHECK_FLAG(bfd_info->flags,
+ BFD_FLAG_BFD_TYPE_MULTIHOP))
+ || (bfd_info->type == BFD_TYPE_SINGLEHOP
+ && CHECK_FLAG(bfd_info->flags,
+ BFD_FLAG_BFD_TYPE_MULTIHOP))) {
+ bgp_bfd_peer_sendmsg(peer, ZEBRA_BFD_DEST_DEREGISTER);
+ bgp_bfd_peer_sendmsg(peer, ZEBRA_BFD_DEST_REGISTER);
+ }
+ }
}
/*
* bgp_bfd_dest_replay - Replay all the peers that have BFD enabled
* to zebra
*/
-static int
-bgp_bfd_dest_replay (int command, struct zclient *client, zebra_size_t length,
- vrf_id_t vrf_id)
+static int bgp_bfd_dest_replay(int command, struct zclient *client,
+ zebra_size_t length, vrf_id_t vrf_id)
{
- struct listnode *mnode, *node, *nnode;
- struct bgp *bgp;
- struct peer *peer;
+ struct listnode *mnode, *node, *nnode;
+ struct bgp *bgp;
+ struct peer *peer;
- if (BGP_DEBUG (zebra, ZEBRA))
- zlog_debug("Zebra: BFD Dest replay request");
+ if (BGP_DEBUG(zebra, ZEBRA))
+ zlog_debug("Zebra: BFD Dest replay request");
- /* Send the client registration */
- bfd_client_sendmsg(zclient, ZEBRA_BFD_CLIENT_REGISTER);
+ /* Send the client registration */
+ bfd_client_sendmsg(zclient, ZEBRA_BFD_CLIENT_REGISTER);
- /* Replay the peer, if BFD is enabled in BGP */
+ /* Replay the peer, if BFD is enabled in BGP */
- for (ALL_LIST_ELEMENTS_RO (bm->bgp, mnode, bgp))
- for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer))
- {
- bgp_bfd_update_peer(peer);
- }
+ for (ALL_LIST_ELEMENTS_RO(bm->bgp, mnode, bgp))
+ for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) {
+ bgp_bfd_update_peer(peer);
+ }
- return 0;
+ return 0;
}
/*
* bgp_bfd_peer_status_update - Update the BFD status if it has changed. Bring
- * down the peer if the BFD session went down from * up.
+ * down the peer if the BFD session went down from
+ * * up.
*/
-static void
-bgp_bfd_peer_status_update (struct peer *peer, int status)
+static void bgp_bfd_peer_status_update(struct peer *peer, int status)
{
- struct bfd_info *bfd_info;
- int old_status;
+ struct bfd_info *bfd_info;
+ int old_status;
- bfd_info = (struct bfd_info *)peer->bfd_info;
+ bfd_info = (struct bfd_info *)peer->bfd_info;
- if (bfd_info->status == status)
- return;
+ if (bfd_info->status == status)
+ return;
- old_status = bfd_info->status;
- bfd_info->status = status;
- bfd_info->last_update = bgp_clock();
+ old_status = bfd_info->status;
+ bfd_info->status = status;
+ bfd_info->last_update = bgp_clock();
- if ((status == BFD_STATUS_DOWN) && (old_status == BFD_STATUS_UP))
- {
- peer->last_reset = PEER_DOWN_BFD_DOWN;
- BGP_EVENT_ADD (peer, BGP_Stop);
- }
+ if ((status == BFD_STATUS_DOWN) && (old_status == BFD_STATUS_UP)) {
+ peer->last_reset = PEER_DOWN_BFD_DOWN;
+ BGP_EVENT_ADD(peer, BGP_Stop);
+ }
}
/*
* has changed and bring down the peer
* connectivity if the BFD session went down.
*/
-static int
-bgp_bfd_dest_update (int command, struct zclient *zclient,
- zebra_size_t length, vrf_id_t vrf_id)
+static int bgp_bfd_dest_update(int command, struct zclient *zclient,
+ zebra_size_t length, vrf_id_t vrf_id)
{
- struct interface *ifp;
- struct prefix dp;
- struct prefix sp;
- int status;
-
- ifp = bfd_get_peer_info (zclient->ibuf, &dp, &sp, &status, vrf_id);
-
- if (BGP_DEBUG (zebra, ZEBRA))
- {
- char buf[2][PREFIX2STR_BUFFER];
- prefix2str(&dp, buf[0], sizeof(buf[0]));
- if (ifp)
- {
- zlog_debug("Zebra: vrf %d interface %s bfd destination %s %s",
- vrf_id, ifp->name, buf[0], bfd_get_status_str(status));
- }
- else
- {
- prefix2str(&sp, buf[1], sizeof(buf[1]));
- zlog_debug("Zebra: vrf %d source %s bfd destination %s %s",
- vrf_id, buf[1], buf[0], bfd_get_status_str(status));
- }
- }
-
- /* Bring the peer down if BFD is enabled in BGP */
- {
- struct listnode *mnode, *node, *nnode;
- struct bgp *bgp;
- struct peer *peer;
-
- for (ALL_LIST_ELEMENTS_RO (bm->bgp, mnode, bgp))
- for (ALL_LIST_ELEMENTS (bgp->peer, node, nnode, peer))
- {
- if (!peer->bfd_info)
- continue;
-
- if ((dp.family == AF_INET) && (peer->su.sa.sa_family == AF_INET))
- {
- if (dp.u.prefix4.s_addr != peer->su.sin.sin_addr.s_addr)
- continue;
- }
- else if ((dp.family == AF_INET6) &&
- (peer->su.sa.sa_family == AF_INET6))
- {
- if (memcmp(&dp.u.prefix6, &peer->su.sin6.sin6_addr,
- sizeof (struct in6_addr)))
- continue;
- }
- else
- continue;
-
- if (ifp && (ifp == peer->nexthop.ifp))
- {
- bgp_bfd_peer_status_update(peer, status);
- }
- else
- {
- if (!peer->su_local)
- continue;
-
- if ((sp.family == AF_INET) &&
- (peer->su_local->sa.sa_family == AF_INET))
- {
- if (sp.u.prefix4.s_addr != peer->su_local->sin.sin_addr.s_addr)
- continue;
- }
- else if ((sp.family == AF_INET6) &&
- (peer->su_local->sa.sa_family == AF_INET6))
- {
- if (memcmp(&sp.u.prefix6, &peer->su_local->sin6.sin6_addr,
- sizeof (struct in6_addr)))
- continue;
- }
- else
- continue;
-
- if ((vrf_id != VRF_DEFAULT) && (peer->bgp->vrf_id != vrf_id))
- continue;
-
- bgp_bfd_peer_status_update(peer, status);
- }
- }
- }
-
- return 0;
+ struct interface *ifp;
+ struct prefix dp;
+ struct prefix sp;
+ int status;
+
+ ifp = bfd_get_peer_info(zclient->ibuf, &dp, &sp, &status, vrf_id);
+
+ if (BGP_DEBUG(zebra, ZEBRA)) {
+ char buf[2][PREFIX2STR_BUFFER];
+ prefix2str(&dp, buf[0], sizeof(buf[0]));
+ if (ifp) {
+ zlog_debug(
+ "Zebra: vrf %d interface %s bfd destination %s %s",
+ vrf_id, ifp->name, buf[0],
+ bfd_get_status_str(status));
+ } else {
+ prefix2str(&sp, buf[1], sizeof(buf[1]));
+ zlog_debug(
+ "Zebra: vrf %d source %s bfd destination %s %s",
+ vrf_id, buf[1], buf[0],
+ bfd_get_status_str(status));
+ }
+ }
+
+ /* Bring the peer down if BFD is enabled in BGP */
+ {
+ struct listnode *mnode, *node, *nnode;
+ struct bgp *bgp;
+ struct peer *peer;
+
+ for (ALL_LIST_ELEMENTS_RO(bm->bgp, mnode, bgp))
+ for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) {
+ if (!peer->bfd_info)
+ continue;
+
+ if ((dp.family == AF_INET)
+ && (peer->su.sa.sa_family == AF_INET)) {
+ if (dp.u.prefix4.s_addr
+ != peer->su.sin.sin_addr.s_addr)
+ continue;
+ } else if ((dp.family == AF_INET6)
+ && (peer->su.sa.sa_family
+ == AF_INET6)) {
+ if (memcmp(&dp.u.prefix6,
+ &peer->su.sin6.sin6_addr,
+ sizeof(struct in6_addr)))
+ continue;
+ } else
+ continue;
+
+ if (ifp && (ifp == peer->nexthop.ifp)) {
+ bgp_bfd_peer_status_update(peer,
+ status);
+ } else {
+ if (!peer->su_local)
+ continue;
+
+ if ((sp.family == AF_INET)
+ && (peer->su_local->sa.sa_family
+ == AF_INET)) {
+ if (sp.u.prefix4.s_addr
+ != peer->su_local->sin
+ .sin_addr.s_addr)
+ continue;
+ } else if ((sp.family == AF_INET6)
+ && (peer->su_local->sa
+ .sa_family
+ == AF_INET6)) {
+ if (memcmp(&sp.u.prefix6,
+ &peer->su_local->sin6
+ .sin6_addr,
+ sizeof(struct
+ in6_addr)))
+ continue;
+ } else
+ continue;
+
+ if ((vrf_id != VRF_DEFAULT)
+ && (peer->bgp->vrf_id != vrf_id))
+ continue;
+
+ bgp_bfd_peer_status_update(peer,
+ status);
+ }
+ }
+ }
+
+ return 0;
}
/*
* bgp_bfd_peer_param_set - Set the configured BFD paramter values for peer.
*/
-static int
-bgp_bfd_peer_param_set (struct peer *peer, u_int32_t min_rx, u_int32_t min_tx,
- u_int8_t detect_mult, int defaults)
+static int bgp_bfd_peer_param_set(struct peer *peer, u_int32_t min_rx,
+ u_int32_t min_tx, u_int8_t detect_mult,
+ int defaults)
{
- struct peer_group *group;
- struct listnode *node, *nnode;
- int command = 0;
-
- bfd_set_param((struct bfd_info **)&(peer->bfd_info), min_rx, min_tx,
- detect_mult, defaults, &command);
-
- if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP))
- {
- group = peer->group;
- for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer))
- {
- command = 0;
- bfd_set_param((struct bfd_info **)&(peer->bfd_info), min_rx, min_tx,
- detect_mult, defaults, &command);
-
- if ((peer->status == Established) &&
- (command == ZEBRA_BFD_DEST_REGISTER))
- bgp_bfd_register_peer(peer);
- else if (command == ZEBRA_BFD_DEST_UPDATE)
- bgp_bfd_update_peer(peer);
- }
- }
- else
- {
- if ((peer->status == Established) &&
- (command == ZEBRA_BFD_DEST_REGISTER))
- bgp_bfd_register_peer(peer);
- else if (command == ZEBRA_BFD_DEST_UPDATE)
- bgp_bfd_update_peer(peer);
- }
- return 0;
+ struct peer_group *group;
+ struct listnode *node, *nnode;
+ int command = 0;
+
+ bfd_set_param((struct bfd_info **)&(peer->bfd_info), min_rx, min_tx,
+ detect_mult, defaults, &command);
+
+ if (CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) {
+ group = peer->group;
+ for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) {
+ command = 0;
+ bfd_set_param((struct bfd_info **)&(peer->bfd_info),
+ min_rx, min_tx, detect_mult, defaults,
+ &command);
+
+ if ((peer->status == Established)
+ && (command == ZEBRA_BFD_DEST_REGISTER))
+ bgp_bfd_register_peer(peer);
+ else if (command == ZEBRA_BFD_DEST_UPDATE)
+ bgp_bfd_update_peer(peer);
+ }
+ } else {
+ if ((peer->status == Established)
+ && (command == ZEBRA_BFD_DEST_REGISTER))
+ bgp_bfd_register_peer(peer);
+ else if (command == ZEBRA_BFD_DEST_UPDATE)
+ bgp_bfd_update_peer(peer);
+ }
+ return 0;
}
/*
- * bgp_bfd_peer_param_unset - Delete the configured BFD paramter values for peer.
+ * bgp_bfd_peer_param_unset - Delete the configured BFD paramter values for
+ * peer.
*/
-static int
-bgp_bfd_peer_param_unset (struct peer *peer)
+static int bgp_bfd_peer_param_unset(struct peer *peer)
{
- struct peer_group *group;
- struct listnode *node, *nnode;
-
- if (!peer->bfd_info)
- return 0;
-
- if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP))
- {
- bfd_info_free(&(peer->bfd_info));
- group = peer->group;
- for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer))
- {
- bgp_bfd_deregister_peer(peer);
- bfd_info_free(&(peer->bfd_info));
- }
- }
- else
- {
- bgp_bfd_deregister_peer(peer);
- bfd_info_free(&(peer->bfd_info));
- }
- return 0;
+ struct peer_group *group;
+ struct listnode *node, *nnode;
+
+ if (!peer->bfd_info)
+ return 0;
+
+ if (CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) {
+ bfd_info_free(&(peer->bfd_info));
+ group = peer->group;
+ for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) {
+ bgp_bfd_deregister_peer(peer);
+ bfd_info_free(&(peer->bfd_info));
+ }
+ } else {
+ bgp_bfd_deregister_peer(peer);
+ bfd_info_free(&(peer->bfd_info));
+ }
+ return 0;
}
/*
- * bgp_bfd_peer_param_type_set - set the BFD session type (multihop or singlehop)
+ * bgp_bfd_peer_param_type_set - set the BFD session type (multihop or
+ * singlehop)
*/
-static int
-bgp_bfd_peer_param_type_set (struct peer *peer, enum bfd_sess_type type)
+static int bgp_bfd_peer_param_type_set(struct peer *peer,
+ enum bfd_sess_type type)
{
- struct peer_group *group;
- struct listnode *node, *nnode;
- int command = 0;
- struct bfd_info *bfd_info;
-
- if (!peer->bfd_info)
- bfd_set_param((struct bfd_info **)&(peer->bfd_info), BFD_DEF_MIN_RX,
- BFD_DEF_MIN_TX, BFD_DEF_DETECT_MULT, 1, &command);
-
- bfd_info = (struct bfd_info *)peer->bfd_info;
- bfd_info->type = type;
-
- if (CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP))
- {
- group = peer->group;
- for (ALL_LIST_ELEMENTS (group->peer, node, nnode, peer))
- {
- command = 0;
- if (!peer->bfd_info)
- bfd_set_param((struct bfd_info **)&(peer->bfd_info),
- BFD_DEF_MIN_RX, BFD_DEF_MIN_TX,
- BFD_DEF_DETECT_MULT, 1, &command);
-
- bfd_info = (struct bfd_info *)peer->bfd_info;
- bfd_info->type = type;
-
- if (peer->status == Established)
- {
- if (command == ZEBRA_BFD_DEST_REGISTER)
- bgp_bfd_register_peer(peer);
- else
- bgp_bfd_update_type(peer);
- }
- }
- }
- else
- {
- if (peer->status == Established)
- {
- if (command == ZEBRA_BFD_DEST_REGISTER)
- bgp_bfd_register_peer(peer);
- else
- bgp_bfd_update_type(peer);
- }
- }
-
- return 0;
+ struct peer_group *group;
+ struct listnode *node, *nnode;
+ int command = 0;
+ struct bfd_info *bfd_info;
+
+ if (!peer->bfd_info)
+ bfd_set_param((struct bfd_info **)&(peer->bfd_info),
+ BFD_DEF_MIN_RX, BFD_DEF_MIN_TX,
+ BFD_DEF_DETECT_MULT, 1, &command);
+
+ bfd_info = (struct bfd_info *)peer->bfd_info;
+ bfd_info->type = type;
+
+ if (CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) {
+ group = peer->group;
+ for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer)) {
+ command = 0;
+ if (!peer->bfd_info)
+ bfd_set_param(
+ (struct bfd_info **)&(peer->bfd_info),
+ BFD_DEF_MIN_RX, BFD_DEF_MIN_TX,
+ BFD_DEF_DETECT_MULT, 1, &command);
+
+ bfd_info = (struct bfd_info *)peer->bfd_info;
+ bfd_info->type = type;
+
+ if (peer->status == Established) {
+ if (command == ZEBRA_BFD_DEST_REGISTER)
+ bgp_bfd_register_peer(peer);
+ else
+ bgp_bfd_update_type(peer);
+ }
+ }
+ } else {
+ if (peer->status == Established) {
+ if (command == ZEBRA_BFD_DEST_REGISTER)
+ bgp_bfd_register_peer(peer);
+ else
+ bgp_bfd_update_type(peer);
+ }
+ }
+
+ return 0;
}
/*
* bgp_bfd_peer_config_write - Write the peer BFD configuration.
*/
-void
-bgp_bfd_peer_config_write(struct vty *vty, struct peer *peer, char *addr)
+void bgp_bfd_peer_config_write(struct vty *vty, struct peer *peer, char *addr)
{
- struct bfd_info *bfd_info;
+ struct bfd_info *bfd_info;
- if (!peer->bfd_info)
- return;
+ if (!peer->bfd_info)
+ return;
- bfd_info = (struct bfd_info *)peer->bfd_info;
+ bfd_info = (struct bfd_info *)peer->bfd_info;
- if (CHECK_FLAG (bfd_info->flags, BFD_FLAG_PARAM_CFG))
- vty_out (vty, " neighbor %s bfd %d %d %d\n", addr,
- bfd_info->detect_mult, bfd_info->required_min_rx,
- bfd_info->desired_min_tx);
+ if (CHECK_FLAG(bfd_info->flags, BFD_FLAG_PARAM_CFG))
+ vty_out(vty, " neighbor %s bfd %d %d %d\n", addr,
+ bfd_info->detect_mult, bfd_info->required_min_rx,
+ bfd_info->desired_min_tx);
- if (bfd_info->type != BFD_TYPE_NOT_CONFIGURED)
- vty_out (vty, " neighbor %s bfd %s\n", addr,
- (bfd_info->type == BFD_TYPE_MULTIHOP) ? "multihop" : "singlehop");
+ if (bfd_info->type != BFD_TYPE_NOT_CONFIGURED)
+ vty_out(vty, " neighbor %s bfd %s\n", addr,
+ (bfd_info->type == BFD_TYPE_MULTIHOP) ? "multihop"
+ : "singlehop");
- if (!CHECK_FLAG (bfd_info->flags, BFD_FLAG_PARAM_CFG) &&
- (bfd_info->type == BFD_TYPE_NOT_CONFIGURED))
- vty_out (vty, " neighbor %s bfd\n", addr);
+ if (!CHECK_FLAG(bfd_info->flags, BFD_FLAG_PARAM_CFG)
+ && (bfd_info->type == BFD_TYPE_NOT_CONFIGURED))
+ vty_out(vty, " neighbor %s bfd\n", addr);
}
/*
* bgp_bfd_show_info - Show the peer BFD information.
*/
-void
-bgp_bfd_show_info(struct vty *vty, struct peer *peer, u_char use_json, json_object *json_neigh)
+void bgp_bfd_show_info(struct vty *vty, struct peer *peer, u_char use_json,
+ json_object *json_neigh)
{
- bfd_show_info(vty, (struct bfd_info *)peer->bfd_info,
- bgp_bfd_is_peer_multihop(peer), 0, use_json, json_neigh);
+ bfd_show_info(vty, (struct bfd_info *)peer->bfd_info,
+ bgp_bfd_is_peer_multihop(peer), 0, use_json, json_neigh);
}
DEFUN (neighbor_bfd,
NEIGHBOR_ADDR_STR2
"Enables BFD support\n")
{
- int idx_peer = 1;
- struct peer *peer;
- int ret;
+ int idx_peer = 1;
+ struct peer *peer;
+ int ret;
- peer = peer_and_group_lookup_vty (vty, argv[idx_peer]->arg);
- if (! peer)
- return CMD_WARNING_CONFIG_FAILED;
+ peer = peer_and_group_lookup_vty(vty, argv[idx_peer]->arg);
+ if (!peer)
+ return CMD_WARNING_CONFIG_FAILED;
- ret = bgp_bfd_peer_param_set (peer, BFD_DEF_MIN_RX, BFD_DEF_MIN_TX,
- BFD_DEF_DETECT_MULT, 1);
- if (ret != 0)
- return bgp_vty_return (vty, ret);
-
- return CMD_SUCCESS;
+ ret = bgp_bfd_peer_param_set(peer, BFD_DEF_MIN_RX, BFD_DEF_MIN_TX,
+ BFD_DEF_DETECT_MULT, 1);
+ if (ret != 0)
+ return bgp_vty_return(vty, ret);
+ return CMD_SUCCESS;
}
DEFUN (neighbor_bfd_param,
"Required min receive interval\n"
"Desired min transmit interval\n")
{
- int idx_peer = 1;
- int idx_number_1 = 3;
- int idx_number_2 = 4;
- int idx_number_3 = 5;
- struct peer *peer;
- u_int32_t rx_val;
- u_int32_t tx_val;
- u_int8_t dm_val;
- int ret;
-
- peer = peer_and_group_lookup_vty (vty, argv[idx_peer]->arg);
- if (!peer)
- return CMD_WARNING_CONFIG_FAILED;
-
- if ((ret = bfd_validate_param (vty, argv[idx_number_1]->arg, argv[idx_number_2]->arg, argv[idx_number_3]->arg, &dm_val,
- &rx_val, &tx_val)) != CMD_SUCCESS)
- return ret;
-
- ret = bgp_bfd_peer_param_set (peer, rx_val, tx_val, dm_val, 0);
- if (ret != 0)
- return bgp_vty_return (vty, ret);
-
- return CMD_SUCCESS;
-
+ int idx_peer = 1;
+ int idx_number_1 = 3;
+ int idx_number_2 = 4;
+ int idx_number_3 = 5;
+ struct peer *peer;
+ u_int32_t rx_val;
+ u_int32_t tx_val;
+ u_int8_t dm_val;
+ int ret;
+
+ peer = peer_and_group_lookup_vty(vty, argv[idx_peer]->arg);
+ if (!peer)
+ return CMD_WARNING_CONFIG_FAILED;
+
+ if ((ret = bfd_validate_param(
+ vty, argv[idx_number_1]->arg, argv[idx_number_2]->arg,
+ argv[idx_number_3]->arg, &dm_val, &rx_val, &tx_val))
+ != CMD_SUCCESS)
+ return ret;
+
+ ret = bgp_bfd_peer_param_set(peer, rx_val, tx_val, dm_val, 0);
+ if (ret != 0)
+ return bgp_vty_return(vty, ret);
+
+ return CMD_SUCCESS;
}
DEFUN_HIDDEN (neighbor_bfd_type,
"Multihop session\n"
"Single hop session\n")
{
- int idx_peer = 1;
- int idx_hop = 3;
- struct peer *peer;
- enum bfd_sess_type type;
- int ret;
-
- peer = peer_and_group_lookup_vty (vty, argv[idx_peer]->arg);
- if (!peer)
- return CMD_WARNING_CONFIG_FAILED;
-
- if (strmatch(argv[idx_hop]->text, "singlehop"))
- type = BFD_TYPE_SINGLEHOP;
- else if (strmatch(argv[idx_hop]->text, "multihop"))
- type = BFD_TYPE_MULTIHOP;
- else
- return CMD_WARNING_CONFIG_FAILED;
-
- ret = bgp_bfd_peer_param_type_set (peer, type);
- if (ret != 0)
- return bgp_vty_return (vty, ret);
-
- return CMD_SUCCESS;
+ int idx_peer = 1;
+ int idx_hop = 3;
+ struct peer *peer;
+ enum bfd_sess_type type;
+ int ret;
+
+ peer = peer_and_group_lookup_vty(vty, argv[idx_peer]->arg);
+ if (!peer)
+ return CMD_WARNING_CONFIG_FAILED;
+
+ if (strmatch(argv[idx_hop]->text, "singlehop"))
+ type = BFD_TYPE_SINGLEHOP;
+ else if (strmatch(argv[idx_hop]->text, "multihop"))
+ type = BFD_TYPE_MULTIHOP;
+ else
+ return CMD_WARNING_CONFIG_FAILED;
+
+ ret = bgp_bfd_peer_param_type_set(peer, type);
+ if (ret != 0)
+ return bgp_vty_return(vty, ret);
+
+ return CMD_SUCCESS;
}
DEFUN (no_neighbor_bfd,
"Required min receive interval\n"
"Desired min transmit interval\n")
{
- int idx_peer = 2;
- struct peer *peer;
- int ret;
+ int idx_peer = 2;
+ struct peer *peer;
+ int ret;
- peer = peer_and_group_lookup_vty (vty, argv[idx_peer]->arg);
- if (! peer)
- return CMD_WARNING_CONFIG_FAILED;
+ peer = peer_and_group_lookup_vty(vty, argv[idx_peer]->arg);
+ if (!peer)
+ return CMD_WARNING_CONFIG_FAILED;
- ret = bgp_bfd_peer_param_unset(peer);
- if (ret != 0)
- return bgp_vty_return (vty, ret);
+ ret = bgp_bfd_peer_param_unset(peer);
+ if (ret != 0)
+ return bgp_vty_return(vty, ret);
- return CMD_SUCCESS;
+ return CMD_SUCCESS;
}
"Multihop session\n"
"Singlehop session\n")
{
- int idx_peer = 2;
- struct peer *peer;
- int ret;
+ int idx_peer = 2;
+ struct peer *peer;
+ int ret;
- peer = peer_and_group_lookup_vty (vty, argv[idx_peer]->arg);
- if (! peer)
- return CMD_WARNING_CONFIG_FAILED;
+ peer = peer_and_group_lookup_vty(vty, argv[idx_peer]->arg);
+ if (!peer)
+ return CMD_WARNING_CONFIG_FAILED;
- if (!peer->bfd_info)
- return 0;
+ if (!peer->bfd_info)
+ return 0;
- ret = bgp_bfd_peer_param_type_set(peer, BFD_TYPE_NOT_CONFIGURED);
- if (ret != 0)
- return bgp_vty_return (vty, ret);
+ ret = bgp_bfd_peer_param_type_set(peer, BFD_TYPE_NOT_CONFIGURED);
+ if (ret != 0)
+ return bgp_vty_return(vty, ret);
- return CMD_SUCCESS;
+ return CMD_SUCCESS;
}
-void
-bgp_bfd_init(void)
+void bgp_bfd_init(void)
{
- bfd_gbl_init();
-
- /* Initialize BFD client functions */
- zclient->interface_bfd_dest_update = bgp_bfd_dest_update;
- zclient->bfd_dest_replay = bgp_bfd_dest_replay;
-
- /* "neighbor bfd" commands. */
- install_element (BGP_NODE, &neighbor_bfd_cmd);
- install_element (BGP_NODE, &neighbor_bfd_param_cmd);
- install_element (BGP_NODE, &neighbor_bfd_type_cmd);
- install_element (BGP_NODE, &no_neighbor_bfd_cmd);
- install_element (BGP_NODE, &no_neighbor_bfd_type_cmd);
+ bfd_gbl_init();
+
+ /* Initialize BFD client functions */
+ zclient->interface_bfd_dest_update = bgp_bfd_dest_update;
+ zclient->bfd_dest_replay = bgp_bfd_dest_replay;
+
+ /* "neighbor bfd" commands. */
+ install_element(BGP_NODE, &neighbor_bfd_cmd);
+ install_element(BGP_NODE, &neighbor_bfd_param_cmd);
+ install_element(BGP_NODE, &neighbor_bfd_type_cmd);
+ install_element(BGP_NODE, &no_neighbor_bfd_cmd);
+ install_element(BGP_NODE, &no_neighbor_bfd_type_cmd);
}
projects / mirror_frr.git / blobdiff