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pim6d: Adjust IPV6 zclient_read_nexthop

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Signed-off-by: sarita patra <saritap@vmware.com>
This commit is contained in:
sarita patra 2022-04-06 22:48:13 -07:00
parent dac86a0a2d
commit eed74896d4
1 changed files with 23 additions and 45 deletions
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68
pimd/pim_zlookup.c
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@ -156,7 +156,7 @@ void zclient_lookup_new(void)
static int zclient_read_nexthop(struct pim_instance *pim,
struct zclient *zlookup,
struct pim_zlookup_nexthop nexthop_tab[],
const int tab_size, struct in_addr addr)
const int tab_size, pim_addr addr)
{
int num_ifindex = 0;
struct stream *s;
@ -165,19 +165,15 @@ static int zclient_read_nexthop(struct pim_instance *pim,
uint8_t version;
vrf_id_t vrf_id;
uint16_t command = 0;
struct in_addr raddr;
pim_addr raddr;
uint8_t distance;
uint32_t metric;
int nexthop_num;
int i, err;
if (PIM_DEBUG_PIM_NHT_DETAIL) {
char addr_str[INET_ADDRSTRLEN];
pim_inet4_dump("<addr?>", addr, addr_str, sizeof(addr_str));
zlog_debug("%s: addr=%s(%s)", __func__, addr_str,
if (PIM_DEBUG_PIM_NHT_DETAIL)
zlog_debug("%s: addr=%pPAs(%s)", __func__, &addr,
pim->vrf->name);
}
s = zlookup->ibuf;
@ -201,17 +197,15 @@ static int zclient_read_nexthop(struct pim_instance *pim,
}
}
#if PIM_IPV == 4
raddr.s_addr = stream_get_ipv4(s);
if (raddr.s_addr != addr.s_addr) {
char addr_str[INET_ADDRSTRLEN];
char raddr_str[INET_ADDRSTRLEN];
pim_inet4_dump("<addr?>", addr, addr_str, sizeof(addr_str));
pim_inet4_dump("<raddr?>", raddr, raddr_str, sizeof(raddr_str));
zlog_warn("%s: address mismatch: addr=%s(%s) raddr=%s",
__func__, addr_str, pim->vrf->name, raddr_str);
/* warning only */
}
#else
stream_get(&raddr, s, sizeof(struct in6_addr));
#endif
if (pim_addr_cmp(raddr, addr))
zlog_warn("%s: address mismatch: addr=%pPAs(%s) raddr=%pPAs",
__func__, &addr, pim->vrf->name, &raddr);
/* warning only */
distance = stream_getc(s);
metric = stream_getl(s);
@ -233,12 +227,9 @@ static int zclient_read_nexthop(struct pim_instance *pim,
nexthop_vrf_id = stream_getl(s);
nexthop_type = stream_getc(s);
if (num_ifindex >= tab_size) {
char addr_str[INET_ADDRSTRLEN];
pim_inet4_dump("<addr?>", addr, addr_str,
sizeof(addr_str));
zlog_warn(
"%s: found too many nexthop ifindexes (%d > %d) for address %s(%s)",
__func__, (num_ifindex + 1), tab_size, addr_str,
"%s: found too many nexthop ifindexes (%d > %d) for address %pPAs(%s)",
__func__, (num_ifindex + 1), tab_size, &addr,
pim->vrf->name);
return num_ifindex;
}
@ -254,32 +245,25 @@ static int zclient_read_nexthop(struct pim_instance *pim,
* allow us to work in cases where we are
* trying to find a route for this box.
*/
nexthop_tab[num_ifindex].nexthop_addr.family = AF_INET;
nexthop_tab[num_ifindex].nexthop_addr.prefixlen =
IPV4_MAX_BITLEN;
nexthop_tab[num_ifindex].nexthop_addr.u.prefix4 =
addr;
nexthop_tab[num_ifindex].nexthop_addr = addr;
++num_ifindex;
break;
case NEXTHOP_TYPE_IPV4_IFINDEX:
case NEXTHOP_TYPE_IPV4:
nexthop_tab[num_ifindex].nexthop_addr.family = AF_INET;
nexthop_tab[num_ifindex].nexthop_addr.u.prefix4.s_addr =
nexthop_tab[num_ifindex].nexthop_addr.s_addr =
stream_get_ipv4(s);
nexthop_tab[num_ifindex].ifindex = stream_getl(s);
++num_ifindex;
break;
case NEXTHOP_TYPE_IPV6_IFINDEX:
nexthop_tab[num_ifindex].nexthop_addr.family = AF_INET6;
stream_get(&nexthop_tab[num_ifindex]
.nexthop_addr.u.prefix6,
s, sizeof(struct in6_addr));
stream_get(&nexthop_tab[num_ifindex].nexthop_addr, s,
sizeof(struct in6_addr));
nexthop_tab[num_ifindex].ifindex = stream_getl(s);
p.family = AF_INET6;
p.prefixlen = IPV6_MAX_BITLEN;
memcpy(&p.u.prefix6,
&nexthop_tab[num_ifindex].nexthop_addr.u.prefix6,
&nexthop_tab[num_ifindex].nexthop_addr,
sizeof(struct in6_addr));
/*
@ -298,23 +282,17 @@ static int zclient_read_nexthop(struct pim_instance *pim,
nbr = pim_neighbor_find_if(ifp);
if (nbr) {
nexthop_tab[num_ifindex].nexthop_addr.family =
AF_INET;
pim_addr_to_prefix(
&nexthop_tab[num_ifindex].nexthop_addr,
nbr->source_addr);
nexthop_tab[num_ifindex].nexthop_addr =
nbr->source_addr;
}
++num_ifindex;
break;
default:
/* do nothing */
{
char addr_str[INET_ADDRSTRLEN];
pim_inet4_dump("<addr?>", addr, addr_str,
sizeof(addr_str));
zlog_warn(
"%s: found non-ifindex nexthop type=%d for address %s(%s)",
__func__, nexthop_type, addr_str,
"%s: found non-ifindex nexthop type=%d for address %pPAs(%s)",
__func__, nexthop_type, &addr,
pim->vrf->name);
}
break;