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Revert "bgpd: fix removing ipv6 global nexhop"

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This reverts commit ee0378cdbb.
This commit is contained in:
Donatas Abraitis 2024-08-14 20:15:18 +03:00
parent 3e7094e2b1
commit 2fd44b1bbb
1 changed files with 4 additions and 23 deletions
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27
bgpd/bgp_zebra.c
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@ -385,12 +385,10 @@ static int bgp_interface_address_add(ZAPI_CALLBACK_ARGS)
static int bgp_interface_address_delete(ZAPI_CALLBACK_ARGS)
{
struct listnode *node, *nnode;
struct connected *ifc, *connected;
struct connected *ifc;
struct peer *peer;
struct bgp *bgp;
struct prefix *addr;
struct in6_addr *v6_global = NULL;
struct in6_addr *v6_local = NULL;
afi_t afi;
safi_t safi;
@ -412,17 +410,7 @@ static int bgp_interface_address_delete(ZAPI_CALLBACK_ARGS)
addr = ifc->address;
if (bgp && addr->family == AF_INET6 &&
!IN6_IS_ADDR_LINKLOCAL(&addr->u.prefix6)) {
/* find another IPv6 global if possible and find the IPv6 link-local */
frr_each (if_connected, ifc->ifp->connected, connected) {
if (connected->address->family != AF_INET6)
continue;
if (IN6_IS_ADDR_LINKLOCAL(&connected->address->u.prefix6))
v6_local = &connected->address->u.prefix6;
else
v6_global = &connected->address->u.prefix6;
}
!IN6_IS_ADDR_LINKLOCAL(&addr->u.prefix)) {
/*
* When we are using the v6 global as part of the peering
* nexthops and we are removing it, then we need to
@ -433,15 +421,8 @@ static int bgp_interface_address_delete(ZAPI_CALLBACK_ARGS)
for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) {
if (IPV6_ADDR_SAME(&peer->nexthop.v6_global,
&addr->u.prefix6)) {
if (v6_global)
IPV6_ADDR_COPY(&peer->nexthop.v6_global,
v6_global);
else if (v6_local)
IPV6_ADDR_COPY(&peer->nexthop.v6_global,
v6_local);
else
memset(&peer->nexthop.v6_global, 0,
IPV6_MAX_BYTELEN);
memset(&peer->nexthop.v6_global, 0,
IPV6_MAX_BYTELEN);
FOREACH_AFI_SAFI (afi, safi)
bgp_announce_route(peer, afi, safi,
true);