return 0;
}
-static int pim_zebra_if_add(ZAPI_CALLBACK_ARGS)
-{
- struct interface *ifp;
- struct pim_instance *pim;
-
- /*
- zebra api adds/dels interfaces using the same call
- interface_add_read below, see comments in lib/zclient.c
- */
- ifp = zebra_interface_add_read(zclient->ibuf, vrf_id);
- if (!ifp)
- return 0;
-
- pim = pim_get_pim_instance(vrf_id);
- if (PIM_DEBUG_ZEBRA) {
- zlog_debug(
- "%s: %s index %d(%u) flags %ld metric %d mtu %d operative %d",
- __PRETTY_FUNCTION__, ifp->name, ifp->ifindex, vrf_id,
- (long)ifp->flags, ifp->metric, ifp->mtu,
- if_is_operative(ifp));
- }
-
- if (if_is_operative(ifp)) {
- struct pim_interface *pim_ifp;
-
- pim_ifp = ifp->info;
- /*
- * If we have a pim_ifp already and this is an if_add
- * that means that we probably have a vrf move event
- * If that is the case, set the proper vrfness.
- */
- if (pim_ifp)
- pim_ifp->pim = pim;
- pim_if_addr_add_all(ifp);
- }
-
- /*
- * If we are a vrf device that is up, open up the pim_socket for
- * listening
- * to incoming pim messages irrelevant if the user has configured us
- * for pim or not.
- */
- if (pim_if_is_vrf_device(ifp)) {
- struct pim_interface *pim_ifp;
-
- if (!ifp->info) {
- pim_ifp = pim_if_new(ifp, false, false, false,
- false /*vxlan_term*/);
- ifp->info = pim_ifp;
- }
-
- pim_sock_add(ifp);
- }
-
- if (!strncmp(ifp->name, PIM_VXLAN_TERM_DEV_NAME,
- sizeof(PIM_VXLAN_TERM_DEV_NAME)))
- pim_vxlan_add_term_dev(pim, ifp);
-
- return 0;
-}
-
-static int pim_zebra_if_del(ZAPI_CALLBACK_ARGS)
-{
- struct interface *ifp;
- struct pim_instance *pim;
-
- /*
- zebra api adds/dels interfaces using the same call
- interface_add_read below, see comments in lib/zclient.c
-
- comments in lib/zclient.c seem to indicate that calling
- zebra_interface_add_read is the correct call, but that
- results in an attemted out of bounds read which causes
- pimd to assert. Other clients use zebra_interface_state_read
- and it appears to work just fine.
- */
- ifp = zebra_interface_state_read(zclient->ibuf, vrf_id);
- if (!ifp)
- return 0;
-
- if (PIM_DEBUG_ZEBRA) {
- zlog_debug(
- "%s: %s index %d(%u) flags %ld metric %d mtu %d operative %d",
- __PRETTY_FUNCTION__, ifp->name, ifp->ifindex, vrf_id,
- (long)ifp->flags, ifp->metric, ifp->mtu,
- if_is_operative(ifp));
- }
-
- if (!if_is_operative(ifp))
- pim_if_addr_del_all(ifp);
-
- if_set_index(ifp, IFINDEX_INTERNAL);
-
- pim = pim_get_pim_instance(vrf_id);
- if (pim && pim->vxlan.term_if == ifp)
- pim_vxlan_del_term_dev(pim);
-
- return 0;
-}
-
-static int pim_zebra_if_state_up(ZAPI_CALLBACK_ARGS)
-{
- struct pim_instance *pim;
- struct interface *ifp;
- uint32_t table_id;
-
- /*
- zebra api notifies interface up/down events by using the same call
- zebra_interface_state_read below, see comments in lib/zclient.c
- */
- ifp = zebra_interface_state_read(zclient->ibuf, vrf_id);
- if (!ifp)
- return 0;
-
- if (PIM_DEBUG_ZEBRA) {
- zlog_debug(
- "%s: %s index %d(%u) flags %ld metric %d mtu %d operative %d",
- __PRETTY_FUNCTION__, ifp->name, ifp->ifindex, vrf_id,
- (long)ifp->flags, ifp->metric, ifp->mtu,
- if_is_operative(ifp));
- }
-
- pim = pim_get_pim_instance(vrf_id);
- if (if_is_operative(ifp)) {
- struct pim_interface *pim_ifp;
-
- pim_ifp = ifp->info;
- /*
- * If we have a pim_ifp already and this is an if_add
- * that means that we probably have a vrf move event
- * If that is the case, set the proper vrfness.
- */
- if (pim_ifp)
- pim_ifp->pim = pim;
-
- /*
- pim_if_addr_add_all() suffices for bringing up both IGMP and
- PIM
- */
- pim_if_addr_add_all(ifp);
- }
-
- /*
- * If we have a pimreg device callback and it's for a specific
- * table set the master appropriately
- */
- if (sscanf(ifp->name, "pimreg%" SCNu32, &table_id) == 1) {
- struct vrf *vrf;
- RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) {
- if ((table_id == vrf->data.l.table_id)
- && (ifp->vrf_id != vrf->vrf_id)) {
- struct interface *master = if_lookup_by_name(
- vrf->name, vrf->vrf_id);
-
- if (!master) {
- zlog_debug(
- "%s: Unable to find Master interface for %s",
- __PRETTY_FUNCTION__, vrf->name);
- return 0;
- }
- zclient_interface_set_master(zclient, master,
- ifp);
- }
- }
- }
- return 0;
-}
-
-static int pim_zebra_if_state_down(ZAPI_CALLBACK_ARGS)
-{
- struct interface *ifp;
-
- /*
- zebra api notifies interface up/down events by using the same call
- zebra_interface_state_read below, see comments in lib/zclient.c
- */
- ifp = zebra_interface_state_read(zclient->ibuf, vrf_id);
- if (!ifp)
- return 0;
-
- if (PIM_DEBUG_ZEBRA) {
- zlog_debug(
- "%s: %s index %d(%u) flags %ld metric %d mtu %d operative %d",
- __PRETTY_FUNCTION__, ifp->name, ifp->ifindex, vrf_id,
- (long)ifp->flags, ifp->metric, ifp->mtu,
- if_is_operative(ifp));
- }
-
- if (!if_is_operative(ifp)) {
- pim_ifchannel_delete_all(ifp);
- /*
- pim_if_addr_del_all() suffices for shutting down IGMP,
- but not for shutting down PIM
- */
- pim_if_addr_del_all(ifp);
-
- /*
- pim_sock_delete() closes the socket, stops read and timer
- threads,
- and kills all neighbors.
- */
- if (ifp->info) {
- pim_sock_delete(ifp, "link down");
- }
- }
-
- if (ifp->info)
- pim_if_del_vif(ifp);
-
- return 0;
-}
-
static int pim_zebra_interface_vrf_update(ZAPI_CALLBACK_ARGS)
{
struct interface *ifp;
pim_i_am_rp_re_evaluate(pim);
}
- connected_free(c);
+ connected_free(&c);
return 0;
}
zclient->zebra_capabilities = pim_zebra_capabilities;
zclient->zebra_connected = pim_zebra_connected;
zclient->router_id_update = pim_router_id_update_zebra;
- zclient->interface_add = pim_zebra_if_add;
- zclient->interface_delete = pim_zebra_if_del;
- zclient->interface_up = pim_zebra_if_state_up;
- zclient->interface_down = pim_zebra_if_state_down;
zclient->interface_address_add = pim_zebra_if_address_add;
zclient->interface_address_delete = pim_zebra_if_address_del;
zclient->interface_vrf_update = pim_zebra_interface_vrf_update;
}
}
- result = pim_channel_add_oif(source->source_channel_oil,
- group->group_igmp_sock->interface,
- PIM_OIF_FLAG_PROTO_IGMP);
- if (result) {
- if (PIM_DEBUG_MROUTE) {
- zlog_warn("%s: add_oif() failed with return=%d",
- __func__, result);
+ if (PIM_I_am_DR(pim_oif)) {
+ result = pim_channel_add_oif(source->source_channel_oil,
+ group->group_igmp_sock->interface,
+ PIM_OIF_FLAG_PROTO_IGMP);
+ if (result) {
+ if (PIM_DEBUG_MROUTE) {
+ zlog_warn("%s: add_oif() failed with return=%d",
+ __func__, result);
+ }
+ return;
}
- return;
- }
-
- if (!(PIM_I_am_DR(pim_oif))) {
+ } else {
if (PIM_DEBUG_IGMP_TRACE)
zlog_debug("%s: %s was received on %s interface but we are not DR for that interface",
__PRETTY_FUNCTION__,
pim_str_sg_dump(&sg),
group->group_igmp_sock->interface->name);
- pim_channel_del_oif(source->source_channel_oil,
- group->group_igmp_sock->interface,
- PIM_OIF_FLAG_PROTO_IGMP);
return;
}
/*
{
struct pim_upstream *up = ch->upstream;
uint32_t mask = PIM_OIF_FLAG_PROTO_PIM;
- int input_iface_vif_index = 0;
- struct pim_instance *pim;
- struct pim_interface *pim_ifp;
-
- pim_ifp = ch->interface->info;
- pim = pim_ifp->pim;
if (PIM_DEBUG_PIM_TRACE) {
char source_str[INET_ADDRSTRLEN];
inet_ntoa(up->upstream_addr));
}
- /* Resolve IIF for upstream as mroute_del sets mfcc_parent to MAXVIFS,
- as part of mroute_del called by pim_forward_stop.
- */
- if ((up->upstream_addr.s_addr != INADDR_ANY) && (!up->channel_oil)) {
- struct prefix src, grp;
-
- grp.family = AF_INET;
- grp.prefixlen = IPV4_MAX_BITLEN;
- grp.u.prefix4 = up->sg.grp;
- src.family = AF_INET;
- src.prefixlen = IPV4_MAX_BITLEN;
- src.u.prefix4 = up->sg.src;
-
- if (pim_ecmp_nexthop_lookup(pim, &up->rpf.source_nexthop, &src,
- &grp, 0))
- input_iface_vif_index = pim_if_find_vifindex_by_ifindex(
- pim, up->rpf.source_nexthop.interface->ifindex);
-
- if (input_iface_vif_index < 1) {
- if (PIM_DEBUG_PIM_TRACE) {
- char source_str[INET_ADDRSTRLEN];
- pim_inet4_dump("<source?>", up->sg.src,
- source_str, sizeof(source_str));
- zlog_debug(
- "%s %s: could not find input interface for source %s",
- __FILE__, __PRETTY_FUNCTION__,
- source_str);
- }
- pim_channel_oil_change_iif(pim, up->channel_oil,
- MAXVIFS,
- __PRETTY_FUNCTION__);
- }
-
- else
- pim_channel_oil_change_iif(pim, up->channel_oil,
- input_iface_vif_index,
- __PRETTY_FUNCTION__);
-
- if (PIM_DEBUG_TRACE) {
- struct interface *in_intf = pim_if_find_by_vif_index(
- pim, input_iface_vif_index);
- zlog_debug(
- "%s: Update channel_oil IIF %s VIFI %d entry %s ",
- __PRETTY_FUNCTION__,
- in_intf ? in_intf->name : "Unknown",
- input_iface_vif_index, up->sg_str);
- }
- }
-
if (up->flags & PIM_UPSTREAM_FLAG_MASK_SRC_IGMP)
mask = PIM_OIF_FLAG_PROTO_IGMP;
else
return NULL;
}
+
+void pim_zebra_interface_set_master(struct interface *vrf,
+ struct interface *ifp)
+{
+ zclient_interface_set_master(zclient, vrf, ifp);
+}