#include "pim_nht.h"
#include "pim_ssm.h"
#include "pim_vxlan.h"
+#include "pim_mlag.h"
#undef PIM_DEBUG_IFADDR_DUMP
#define PIM_DEBUG_IFADDR_DUMP
-static struct zclient *zclient = NULL;
+struct zclient *zclient;
/* Router-id update message from zebra. */
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;
}
nbr = pim_neighbor_find(old->source_nexthop.interface,
old->rpf_addr.u.prefix4);
if (nbr)
- pim_jp_agg_remove_group(nbr->upstream_jp_agg, up);
+ pim_jp_agg_remove_group(nbr->upstream_jp_agg, up, nbr);
/*
* We have detected a case where we might need
* so install it.
*/
if (!up->channel_oil->installed)
- pim_mroute_add(up->channel_oil,
+ pim_upstream_mroute_add(up->channel_oil,
__PRETTY_FUNCTION__);
/*
up->channel_oil->oil_inherited_rescan = 0;
}
+ if (up->join_state == PIM_UPSTREAM_JOINED)
+ pim_jp_agg_switch_interface(old, &up->rpf, up);
+
if (!up->channel_oil->installed)
- pim_mroute_add(up->channel_oil, __PRETTY_FUNCTION__);
+ pim_upstream_mroute_add(up->channel_oil,
+ __PRETTY_FUNCTION__);
}
/* FIXME can join_desired actually be changed by pim_rpf_update()
zclient_send_message(zclient);
}
-void pim_scan_individual_oil(struct channel_oil *c_oil, int in_vif_index)
-{
- struct in_addr vif_source;
- int input_iface_vif_index;
-
- pim_rp_set_upstream_addr(c_oil->pim, &vif_source,
- c_oil->oil.mfcc_origin,
- c_oil->oil.mfcc_mcastgrp);
-
- if (in_vif_index)
- input_iface_vif_index = in_vif_index;
- else {
- struct prefix src, grp;
-
- src.family = AF_INET;
- src.prefixlen = IPV4_MAX_BITLEN;
- src.u.prefix4 = vif_source;
- grp.family = AF_INET;
- grp.prefixlen = IPV4_MAX_BITLEN;
- grp.u.prefix4 = c_oil->oil.mfcc_mcastgrp;
-
- if (PIM_DEBUG_ZEBRA) {
- char source_str[INET_ADDRSTRLEN];
- char group_str[INET_ADDRSTRLEN];
- pim_inet4_dump("<source?>", c_oil->oil.mfcc_origin,
- source_str, sizeof(source_str));
- pim_inet4_dump("<group?>", c_oil->oil.mfcc_mcastgrp,
- group_str, sizeof(group_str));
- zlog_debug(
- "%s: channel_oil (%s,%s) upstream info is not present.",
- __PRETTY_FUNCTION__, source_str, group_str);
- }
- input_iface_vif_index = pim_ecmp_fib_lookup_if_vif_index(
- c_oil->pim, &src, &grp);
- }
-
- if (input_iface_vif_index < 1) {
- if (PIM_DEBUG_ZEBRA) {
- char source_str[INET_ADDRSTRLEN];
- char group_str[INET_ADDRSTRLEN];
- pim_inet4_dump("<source?>", c_oil->oil.mfcc_origin,
- source_str, sizeof(source_str));
- pim_inet4_dump("<group?>", c_oil->oil.mfcc_mcastgrp,
- group_str, sizeof(group_str));
- zlog_debug(
- "%s %s: could not find input interface(%d) for (S,G)=(%s,%s)",
- __FILE__, __PRETTY_FUNCTION__,
- c_oil->oil.mfcc_parent, source_str, group_str);
- }
- pim_mroute_del(c_oil, __PRETTY_FUNCTION__);
- return;
- }
-
- if (input_iface_vif_index == c_oil->oil.mfcc_parent) {
- if (!c_oil->installed)
- pim_mroute_add(c_oil, __PRETTY_FUNCTION__);
-
- /* RPF unchanged */
- return;
- }
-
- if (PIM_DEBUG_ZEBRA) {
- struct interface *old_iif = pim_if_find_by_vif_index(
- c_oil->pim, c_oil->oil.mfcc_parent);
- struct interface *new_iif = pim_if_find_by_vif_index(
- c_oil->pim, input_iface_vif_index);
- char source_str[INET_ADDRSTRLEN];
- char group_str[INET_ADDRSTRLEN];
- pim_inet4_dump("<source?>", c_oil->oil.mfcc_origin, source_str,
- sizeof(source_str));
- pim_inet4_dump("<group?>", c_oil->oil.mfcc_mcastgrp, group_str,
- sizeof(group_str));
- zlog_debug(
- "%s %s: (S,G)=(%s,%s) input interface changed from %s vif_index=%d to %s vif_index=%d",
- __FILE__, __PRETTY_FUNCTION__, source_str, group_str,
- (old_iif) ? old_iif->name : "<old_iif?>",
- c_oil->oil.mfcc_parent,
- (new_iif) ? new_iif->name : "<new_iif?>",
- input_iface_vif_index);
- }
-
- /* new iif loops to existing oif ? */
- if (c_oil->oil.mfcc_ttls[input_iface_vif_index]) {
- struct interface *new_iif = pim_if_find_by_vif_index(
- c_oil->pim, input_iface_vif_index);
-
- if (PIM_DEBUG_ZEBRA) {
- char source_str[INET_ADDRSTRLEN];
- char group_str[INET_ADDRSTRLEN];
- pim_inet4_dump("<source?>", c_oil->oil.mfcc_origin,
- source_str, sizeof(source_str));
- pim_inet4_dump("<group?>", c_oil->oil.mfcc_mcastgrp,
- group_str, sizeof(group_str));
- zlog_debug(
- "%s %s: (S,G)=(%s,%s) new iif loops to existing oif: %s vif_index=%d",
- __FILE__, __PRETTY_FUNCTION__, source_str,
- group_str,
- (new_iif) ? new_iif->name : "<new_iif?>",
- input_iface_vif_index);
- }
- }
-
- /* update iif vif_index */
- pim_channel_oil_change_iif(c_oil->pim, c_oil, input_iface_vif_index,
- __PRETTY_FUNCTION__);
- pim_mroute_add(c_oil, __PRETTY_FUNCTION__);
-}
-
void pim_scan_oil(struct pim_instance *pim)
{
struct listnode *node;
struct listnode *nextnode;
struct channel_oil *c_oil;
- ifindex_t ifindex;
- int vif_index = 0;
pim->scan_oil_last = pim_time_monotonic_sec();
++pim->scan_oil_events;
for (ALL_LIST_ELEMENTS(pim->channel_oil_list, node, nextnode, c_oil)) {
- if (c_oil->up && c_oil->up->rpf.source_nexthop.interface) {
- ifindex = c_oil->up->rpf.source_nexthop
- .interface->ifindex;
- vif_index =
- pim_if_find_vifindex_by_ifindex(pim, ifindex);
- /* Pass Current selected NH vif index to mroute
- * download */
- if (vif_index)
- pim_scan_individual_oil(c_oil, vif_index);
- } else
- pim_scan_individual_oil(c_oil, 0);
+ pim_upstream_mroute_iif_update(c_oil, __func__);
}
}
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;
zclient->nexthop_update = pim_parse_nexthop_update;
zclient->vxlan_sg_add = pim_zebra_vxlan_sg_proc;
zclient->vxlan_sg_del = pim_zebra_vxlan_sg_proc;
+ zclient->mlag_process_up = pim_zebra_mlag_process_up;
+ zclient->mlag_process_down = pim_zebra_mlag_process_down;
+ zclient->mlag_handle_msg = pim_zebra_mlag_handle_msg;
zclient_init(zclient, ZEBRA_ROUTE_PIM, 0, &pimd_privs);
if (PIM_DEBUG_PIM_TRACE) {
source->source_addr, sg.grp)) {
/*Create a dummy channel oil */
source->source_channel_oil = pim_channel_oil_add(
- pim, &sg, MAXVIFS, __PRETTY_FUNCTION__);
+ pim, &sg, __PRETTY_FUNCTION__);
}
else {
}
source->source_channel_oil =
pim_channel_oil_add(
- pim, &sg, MAXVIFS,
+ pim, &sg,
__PRETTY_FUNCTION__);
}
source->source_channel_oil =
pim_channel_oil_add(
- pim, &sg, input_iface_vif_index,
+ pim, &sg,
__PRETTY_FUNCTION__);
if (!source->source_channel_oil) {
if (PIM_DEBUG_IGMP_TRACE) {
}
}
- 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, __func__);
+ 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;
}
/*
pim_channel_del_oif(source->source_channel_oil,
group->group_igmp_sock->interface,
- PIM_OIF_FLAG_PROTO_IGMP);
+ PIM_OIF_FLAG_PROTO_IGMP, __func__);
return;
}
*/
result = pim_channel_del_oif(source->source_channel_oil,
group->group_igmp_sock->interface,
- PIM_OIF_FLAG_PROTO_IGMP);
+ PIM_OIF_FLAG_PROTO_IGMP,
+ __func__);
if (result) {
if (PIM_DEBUG_IGMP_TRACE)
zlog_debug(
{
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;
- pim_channel_add_oif(up->channel_oil, ch->interface, mask);
+ pim_channel_add_oif(up->channel_oil, ch->interface,
+ mask, __func__);
}
void pim_forward_stop(struct pim_ifchannel *ch, bool install_it)
*/
if (pim_upstream_evaluate_join_desired_interface(up, ch, ch->parent))
pim_channel_add_oif(up->channel_oil, ch->interface,
- PIM_OIF_FLAG_PROTO_PIM);
+ PIM_OIF_FLAG_PROTO_PIM, __func__);
else
pim_channel_del_oif(up->channel_oil, ch->interface,
- PIM_OIF_FLAG_PROTO_PIM);
+ PIM_OIF_FLAG_PROTO_PIM, __func__);
if (install_it && !up->channel_oil->installed)
- pim_mroute_add(up->channel_oil, __PRETTY_FUNCTION__);
+ pim_upstream_mroute_add(up->channel_oil, __PRETTY_FUNCTION__);
}
void pim_zebra_zclient_update(struct vty *vty)
else
return NULL;
}
+
+void pim_zebra_interface_set_master(struct interface *vrf,
+ struct interface *ifp)
+{
+ zclient_interface_set_master(zclient, vrf, ifp);
+}
projects / mirror_frr.git / blobdiff