#include "vty.h"
#include "zclient.h"
+#include "pim_instance.h"
#include "pim_cmd.h"
#include "pim_vty.h"
#include "pim_iface.h"
/*
* pim_bfd_write_config - Write the interface BFD configuration.
*/
-void
-pim_bfd_write_config (struct vty *vty, struct interface *ifp)
+void pim_bfd_write_config(struct vty *vty, struct interface *ifp)
{
- struct pim_interface *pim_ifp = ifp->info;
- struct bfd_info *bfd_info = NULL;
-
- if (!pim_ifp)
- return;
-
- bfd_info = (struct bfd_info *) pim_ifp->bfd_info;
- if (!bfd_info)
- return;
-
- if (CHECK_FLAG (bfd_info->flags, BFD_FLAG_PARAM_CFG))
- vty_out (vty, " ip pim bfd %d %d %d\n",
- bfd_info->detect_mult, bfd_info->required_min_rx,
- bfd_info->desired_min_tx);
- else
- vty_out (vty, " ip pim bfd\n");
+ struct pim_interface *pim_ifp = ifp->info;
+ struct bfd_info *bfd_info = NULL;
+
+ if (!pim_ifp)
+ return;
+
+ bfd_info = (struct bfd_info *)pim_ifp->bfd_info;
+ if (!bfd_info)
+ return;
+
+#if HAVE_BFDD == 0
+ if (CHECK_FLAG(bfd_info->flags, BFD_FLAG_PARAM_CFG))
+ vty_out(vty, " ip pim bfd %d %d %d\n", bfd_info->detect_mult,
+ bfd_info->required_min_rx, bfd_info->desired_min_tx);
+ else
+#endif /* ! HAVE_BFDD */
+ vty_out(vty, " ip pim bfd\n");
}
/*
* pim_bfd_show_info - Show BFD info structure
*/
-void
-pim_bfd_show_info (struct vty *vty, void *bfd_info, json_object * json_obj,
- u_char use_json, int param_only)
+void pim_bfd_show_info(struct vty *vty, void *bfd_info, json_object *json_obj,
+ bool use_json, int param_only)
{
- if (param_only)
- bfd_show_param (vty, (struct bfd_info *) bfd_info, 1, 0, use_json,
- json_obj);
- else
- bfd_show_info (vty, (struct bfd_info *) bfd_info, 0, 1, use_json,
- json_obj);
+ if (param_only)
+ bfd_show_param(vty, (struct bfd_info *)bfd_info, 1, 0, use_json,
+ json_obj);
+ else
+ bfd_show_info(vty, (struct bfd_info *)bfd_info, 0, 1, use_json,
+ json_obj);
}
/*
* pim_bfd_info_nbr_create - Create/update BFD information for a neighbor.
*/
-void
-pim_bfd_info_nbr_create (struct pim_interface *pim_ifp,
- struct pim_neighbor *neigh)
+void pim_bfd_info_nbr_create(struct pim_interface *pim_ifp,
+ struct pim_neighbor *neigh)
{
- struct bfd_info *nbr_bfd_info = NULL;
+ struct bfd_info *nbr_bfd_info = NULL;
- /* Check if Pim Interface BFD is enabled */
- if (!pim_ifp || !pim_ifp->bfd_info)
- return;
+ /* Check if Pim Interface BFD is enabled */
+ if (!pim_ifp || !pim_ifp->bfd_info)
+ return;
- if (!neigh->bfd_info)
- neigh->bfd_info = bfd_info_create ();
+ if (!neigh->bfd_info)
+ neigh->bfd_info = bfd_info_create();
- if (!neigh->bfd_info)
- return;
+ if (!neigh->bfd_info)
+ return;
- nbr_bfd_info = (struct bfd_info *) neigh->bfd_info;
- nbr_bfd_info->detect_mult = pim_ifp->bfd_info->detect_mult;
- nbr_bfd_info->desired_min_tx = pim_ifp->bfd_info->desired_min_tx;
- nbr_bfd_info->required_min_rx = pim_ifp->bfd_info->required_min_rx;
+ nbr_bfd_info = (struct bfd_info *)neigh->bfd_info;
+ nbr_bfd_info->detect_mult = pim_ifp->bfd_info->detect_mult;
+ nbr_bfd_info->desired_min_tx = pim_ifp->bfd_info->desired_min_tx;
+ nbr_bfd_info->required_min_rx = pim_ifp->bfd_info->required_min_rx;
}
/*
* pim_bfd_info_free - Free BFD info structure
*/
-void
-pim_bfd_info_free (void **bfd_info)
+void pim_bfd_info_free(struct bfd_info **bfd_info)
{
- bfd_info_free ((struct bfd_info **) bfd_info);
+ bfd_info_free(bfd_info);
}
-static void
-pim_bfd_reg_dereg_nbr (struct pim_neighbor *nbr, int command)
+static void pim_bfd_reg_dereg_nbr(struct pim_neighbor *nbr, int command)
{
- struct pim_interface *pim_ifp = NULL;
- struct bfd_info *bfd_info = NULL;
- struct zclient *zclient = NULL;
-
- zclient = pim_zebra_zclient_get ();
-
- if (!nbr)
- return;
- pim_ifp = nbr->interface->info;
- bfd_info = (struct bfd_info *) pim_ifp->bfd_info;
- if (!bfd_info)
- return;
- if (PIM_DEBUG_PIM_TRACE)
- {
- char str[INET_ADDRSTRLEN];
- pim_inet4_dump ("<bfd_nbr?>", nbr->source_addr, str, sizeof (str));
- zlog_debug ("%s Nbr %s %s with BFD", __PRETTY_FUNCTION__, str,
- bfd_get_command_dbg_str (command));
- }
- bfd_peer_sendmsg (zclient, bfd_info, AF_INET,
- &nbr->source_addr, NULL, nbr->interface->name,
- 0, 0, command, 0, VRF_DEFAULT);
+ struct pim_interface *pim_ifp = NULL;
+ struct bfd_info *bfd_info = NULL;
+ struct zclient *zclient = NULL;
+
+ zclient = pim_zebra_zclient_get();
+
+ if (!nbr)
+ return;
+ pim_ifp = nbr->interface->info;
+ bfd_info = (struct bfd_info *)pim_ifp->bfd_info;
+ if (!bfd_info)
+ return;
+ if (PIM_DEBUG_PIM_TRACE) {
+ char str[INET_ADDRSTRLEN];
+ pim_inet4_dump("<bfd_nbr?>", nbr->source_addr, str,
+ sizeof(str));
+ zlog_debug("%s Nbr %s %s with BFD", __PRETTY_FUNCTION__, str,
+ bfd_get_command_dbg_str(command));
+ }
+ bfd_peer_sendmsg(zclient, bfd_info, AF_INET, &nbr->source_addr, NULL,
+ nbr->interface->name, 0, 0, command, 0, VRF_DEFAULT);
}
/*
* zebra for starting/stopping the monitoring of
* the neighbor rechahability.
*/
-int
-pim_bfd_reg_dereg_all_nbr (struct interface *ifp, int command)
+int pim_bfd_reg_dereg_all_nbr(struct interface *ifp, int command)
{
- struct pim_interface *pim_ifp = NULL;
- struct listnode *node = NULL;
- struct pim_neighbor *neigh = NULL;
-
- pim_ifp = ifp->info;
- if (!pim_ifp)
- return -1;
- if (!pim_ifp->bfd_info)
- return -1;
-
- for (ALL_LIST_ELEMENTS_RO (pim_ifp->pim_neighbor_list, node, neigh))
- {
- if (command != ZEBRA_BFD_DEST_DEREGISTER)
- pim_bfd_info_nbr_create (pim_ifp, neigh);
- else
- bfd_info_free ((struct bfd_info **) &neigh->bfd_info);
-
- pim_bfd_reg_dereg_nbr (neigh, command);
- }
-
- return 0;
+ struct pim_interface *pim_ifp = NULL;
+ struct listnode *node = NULL;
+ struct pim_neighbor *neigh = NULL;
+
+ pim_ifp = ifp->info;
+ if (!pim_ifp)
+ return -1;
+ if (!pim_ifp->bfd_info)
+ return -1;
+
+ for (ALL_LIST_ELEMENTS_RO(pim_ifp->pim_neighbor_list, node, neigh)) {
+ if (command != ZEBRA_BFD_DEST_DEREGISTER)
+ pim_bfd_info_nbr_create(pim_ifp, neigh);
+ else
+ pim_bfd_info_free((struct bfd_info **)&neigh->bfd_info);
+
+ pim_bfd_reg_dereg_nbr(neigh, command);
+ }
+
+ return 0;
}
/*
* pim_bfd_trigger_event - Neighbor is registered/deregistered with BFD when
* neighbor state is changed to/from 2way.
*/
-void
-pim_bfd_trigger_event (struct pim_interface *pim_ifp, struct pim_neighbor *nbr, uint8_t nbr_up)
+void pim_bfd_trigger_event(struct pim_interface *pim_ifp,
+ struct pim_neighbor *nbr, uint8_t nbr_up)
{
- if (nbr_up)
- {
- pim_bfd_info_nbr_create (pim_ifp, nbr);
- pim_bfd_reg_dereg_nbr (nbr, ZEBRA_BFD_DEST_REGISTER);
- }
- else
- {
- pim_bfd_info_free ((void *)&nbr->bfd_info);
- pim_bfd_reg_dereg_nbr (nbr, ZEBRA_BFD_DEST_DEREGISTER);
- }
+ if (nbr_up) {
+ pim_bfd_info_nbr_create(pim_ifp, nbr);
+ pim_bfd_reg_dereg_nbr(nbr, ZEBRA_BFD_DEST_REGISTER);
+ } else {
+ pim_bfd_info_free(&nbr->bfd_info);
+ pim_bfd_reg_dereg_nbr(nbr, ZEBRA_BFD_DEST_DEREGISTER);
+ }
}
/*
* pim_bfd_if_param_set - Set the configured BFD paramter values for
* interface.
*/
-void
-pim_bfd_if_param_set (struct interface *ifp, u_int32_t min_rx,
- u_int32_t min_tx, u_int8_t detect_mult, int defaults)
+void pim_bfd_if_param_set(struct interface *ifp, uint32_t min_rx,
+ uint32_t min_tx, uint8_t detect_mult, int defaults)
{
- struct pim_interface *pim_ifp = ifp->info;
- int command = 0;
-
- if (!pim_ifp)
- return;
- bfd_set_param ((struct bfd_info **) &(pim_ifp->bfd_info), min_rx, min_tx,
- detect_mult, defaults, &command);
-
- if (pim_ifp->bfd_info)
- {
- if (PIM_DEBUG_PIM_TRACE)
- zlog_debug ("%s: interface %s has bfd_info", __PRETTY_FUNCTION__,
- ifp->name);
- }
- if (command)
- pim_bfd_reg_dereg_all_nbr (ifp, command);
+ struct pim_interface *pim_ifp = ifp->info;
+ int command = 0;
+
+ if (!pim_ifp)
+ return;
+ bfd_set_param((struct bfd_info **)&(pim_ifp->bfd_info), min_rx, min_tx,
+ detect_mult, defaults, &command);
+
+ if (pim_ifp->bfd_info) {
+ if (PIM_DEBUG_PIM_TRACE)
+ zlog_debug("%s: interface %s has bfd_info",
+ __PRETTY_FUNCTION__, ifp->name);
+ }
+ if (command)
+ pim_bfd_reg_dereg_all_nbr(ifp, command);
}
* connectivity if the BFD status changed to
* down.
*/
-static int
-pim_bfd_interface_dest_update (int command, struct zclient *zclient,
- zebra_size_t length, vrf_id_t vrf_id)
+static int pim_bfd_interface_dest_update(int command, struct zclient *zclient,
+ zebra_size_t length, vrf_id_t vrf_id)
{
- struct interface *ifp = NULL;
- struct pim_interface *pim_ifp = NULL;
- struct prefix p;
- int status;
- char msg[100];
- int old_status;
- struct bfd_info *bfd_info = NULL;
- struct timeval tv;
- struct listnode *neigh_node = NULL;
- struct listnode *neigh_nextnode = NULL;
- struct pim_neighbor *neigh = NULL;
-
- ifp = bfd_get_peer_info (zclient->ibuf, &p, NULL, &status, vrf_id);
-
- if ((ifp == NULL) || (p.family != AF_INET))
- return 0;
-
- pim_ifp = ifp->info;
- if (!pim_ifp)
- return 0;
-
- if (!pim_ifp->bfd_info)
- {
- if (PIM_DEBUG_PIM_TRACE)
- zlog_debug ("%s: pim interface %s BFD is disabled ", __PRETTY_FUNCTION__,
- ifp->name);
- return 0;
- }
-
- if (PIM_DEBUG_PIM_TRACE)
- {
- char buf[PREFIX2STR_BUFFER];
- prefix2str (&p, buf, sizeof (buf));
- zlog_debug ("%s: interface %s bfd destination %s %s",
- __PRETTY_FUNCTION__, ifp->name, buf,
- bfd_get_status_str (status));
- }
-
- for (ALL_LIST_ELEMENTS (pim_ifp->pim_neighbor_list, neigh_node,
- neigh_nextnode, neigh))
- {
- /* Check neigh address matches with BFD address */
- if (neigh->source_addr.s_addr != p.u.prefix4.s_addr)
- continue;
-
- bfd_info = (struct bfd_info *) neigh->bfd_info;
- if (bfd_info->status == status)
- {
- if (PIM_DEBUG_PIM_TRACE)
- {
- char str[INET_ADDRSTRLEN];
- pim_inet4_dump ("<nht_nbr?>", neigh->source_addr, str,
- sizeof (str));
- zlog_debug ("%s: bfd status is same for nbr %s",
- __PRETTY_FUNCTION__, str);
- }
- continue;
- }
- old_status = bfd_info->status;
- bfd_info->status = status;
- monotime(&tv);
- bfd_info->last_update = tv.tv_sec;
-
- if (PIM_DEBUG_PIM_TRACE)
- {
- zlog_debug ("%s: status %s old_status %s", __PRETTY_FUNCTION__,
- bfd_get_status_str (status),
- bfd_get_status_str (old_status));
- }
- if ((status == BFD_STATUS_DOWN) && (old_status == BFD_STATUS_UP))
- {
- snprintf (msg, sizeof (msg), "BFD Session Expired");
- pim_neighbor_delete (ifp, neigh, msg);
- }
- }
- return 0;
+ struct interface *ifp = NULL;
+ struct pim_interface *pim_ifp = NULL;
+ struct prefix p;
+ int status;
+ char msg[100];
+ int old_status;
+ struct bfd_info *bfd_info = NULL;
+ struct timeval tv;
+ struct listnode *neigh_node = NULL;
+ struct listnode *neigh_nextnode = NULL;
+ struct pim_neighbor *neigh = NULL;
+
+ ifp = bfd_get_peer_info(zclient->ibuf, &p, NULL, &status, vrf_id);
+
+ if ((ifp == NULL) || (p.family != AF_INET))
+ return 0;
+
+ pim_ifp = ifp->info;
+ if (!pim_ifp)
+ return 0;
+
+ if (!pim_ifp->bfd_info) {
+ if (PIM_DEBUG_PIM_TRACE)
+ zlog_debug("%s: pim interface %s BFD is disabled ",
+ __PRETTY_FUNCTION__, ifp->name);
+ return 0;
+ }
+
+ if (PIM_DEBUG_PIM_TRACE) {
+ char buf[PREFIX2STR_BUFFER];
+ prefix2str(&p, buf, sizeof(buf));
+ zlog_debug("%s: interface %s bfd destination %s %s",
+ __PRETTY_FUNCTION__, ifp->name, buf,
+ bfd_get_status_str(status));
+ }
+
+ for (ALL_LIST_ELEMENTS(pim_ifp->pim_neighbor_list, neigh_node,
+ neigh_nextnode, neigh)) {
+ /* Check neigh address matches with BFD address */
+ if (neigh->source_addr.s_addr != p.u.prefix4.s_addr)
+ continue;
+
+ bfd_info = (struct bfd_info *)neigh->bfd_info;
+ if (bfd_info->status == status) {
+ if (PIM_DEBUG_PIM_TRACE) {
+ char str[INET_ADDRSTRLEN];
+ pim_inet4_dump("<nht_nbr?>", neigh->source_addr,
+ str, sizeof(str));
+ zlog_debug("%s: bfd status is same for nbr %s",
+ __PRETTY_FUNCTION__, str);
+ }
+ continue;
+ }
+ old_status = bfd_info->status;
+ bfd_info->status = status;
+ monotime(&tv);
+ bfd_info->last_update = tv.tv_sec;
+
+ if (PIM_DEBUG_PIM_TRACE) {
+ zlog_debug("%s: status %s old_status %s",
+ __PRETTY_FUNCTION__,
+ bfd_get_status_str(status),
+ bfd_get_status_str(old_status));
+ }
+ if ((status == BFD_STATUS_DOWN)
+ && (old_status == BFD_STATUS_UP)) {
+ snprintf(msg, sizeof(msg), "BFD Session Expired");
+ pim_neighbor_delete(ifp, neigh, msg);
+ }
+ }
+ return 0;
}
/*
* pim_bfd_nbr_replay - Replay all the neighbors that have BFD enabled
* to zebra
*/
-static int
-pim_bfd_nbr_replay (int command, struct zclient *zclient, zebra_size_t length,
- vrf_id_t vrf_id)
+static int pim_bfd_nbr_replay(int command, struct zclient *zclient,
+ zebra_size_t length, vrf_id_t vrf_id)
{
- struct interface *ifp = NULL;
- struct pim_interface *pim_ifp = NULL;
- struct pim_neighbor *neigh = NULL;
- struct listnode *node;
- struct listnode *neigh_node;
- struct listnode *neigh_nextnode;
-
- /* Send the client registration */
- bfd_client_sendmsg (zclient, ZEBRA_BFD_CLIENT_REGISTER);
-
- for (ALL_LIST_ELEMENTS_RO (vrf_iflist (VRF_DEFAULT), node, ifp))
- {
- pim_ifp = ifp->info;
-
- if (!pim_ifp)
- continue;
-
- if (pim_ifp->pim_sock_fd < 0)
- continue;
-
- for (ALL_LIST_ELEMENTS (pim_ifp->pim_neighbor_list, neigh_node,
- neigh_nextnode, neigh))
- {
- if (!neigh->bfd_info)
- continue;
- if (PIM_DEBUG_PIM_TRACE)
- {
- char str[INET_ADDRSTRLEN];
- pim_inet4_dump ("<bfd_nbr?>", neigh->source_addr, str,
- sizeof (str));
- zlog_debug ("%s: Replaying Pim Neigh %s to BFD",
- __PRETTY_FUNCTION__, str);
- }
- pim_bfd_reg_dereg_nbr (neigh, ZEBRA_BFD_DEST_UPDATE);
-
- }
- }
- return 0;
+ struct interface *ifp = NULL;
+ struct pim_interface *pim_ifp = NULL;
+ struct pim_neighbor *neigh = NULL;
+ struct listnode *neigh_node;
+ struct listnode *neigh_nextnode;
+ struct vrf *vrf = NULL;
+
+ /* Send the client registration */
+ bfd_client_sendmsg(zclient, ZEBRA_BFD_CLIENT_REGISTER);
+
+ RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) {
+ FOR_ALL_INTERFACES (vrf, ifp) {
+ pim_ifp = ifp->info;
+
+ if (!pim_ifp)
+ continue;
+
+ if (pim_ifp->pim_sock_fd < 0)
+ continue;
+
+ for (ALL_LIST_ELEMENTS(pim_ifp->pim_neighbor_list,
+ neigh_node, neigh_nextnode,
+ neigh)) {
+ if (!neigh->bfd_info)
+ continue;
+ if (PIM_DEBUG_PIM_TRACE) {
+ char str[INET_ADDRSTRLEN];
+
+ pim_inet4_dump("<bfd_nbr?>",
+ neigh->source_addr, str,
+ sizeof(str));
+ zlog_debug(
+ "%s: Replaying Pim Neigh %s to BFD vrf_id %u",
+ __PRETTY_FUNCTION__, str,
+ vrf->vrf_id);
+ }
+ pim_bfd_reg_dereg_nbr(neigh,
+ ZEBRA_BFD_DEST_UPDATE);
+ }
+ }
+ }
+ return 0;
}
-void
-pim_bfd_init (void)
+void pim_bfd_init(void)
{
- struct zclient *zclient = NULL;
+ struct zclient *zclient = NULL;
- zclient = pim_zebra_zclient_get ();
+ zclient = pim_zebra_zclient_get();
- bfd_gbl_init ();
+ bfd_gbl_init();
- zclient->interface_bfd_dest_update = pim_bfd_interface_dest_update;
- zclient->bfd_dest_replay = pim_bfd_nbr_replay;
+ zclient->interface_bfd_dest_update = pim_bfd_interface_dest_update;
+ zclient->bfd_dest_replay = pim_bfd_nbr_replay;
}