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pimd: Switch 'struct in_addr' to 'struct prefix' in pim_zlookup.h

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This is setup code to allow us to receive v6 addresses from
a nexthop lookup from zebra.  This will allow us to work
with unnumbered interfaces.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2016-09-02 10:56:29 -04:00 committed by Donald Sharp
parent e66dd14ae4
commit ba634917bd
3 changed files with 13 additions and 11 deletions
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4
pimd/pim_rpf.c
View File

@ -91,7 +91,7 @@ int pim_nexthop_lookup(struct pim_nexthop *nexthop, struct in_addr addr)
if (PIM_DEBUG_ZEBRA) {
char nexthop_str[100];
char addr_str[100];
pim_inet4_dump("<nexthop?>", nexthop_tab[0].nexthop_addr, nexthop_str, sizeof(nexthop_str));
pim_addr_dump("<nexthop?>", &nexthop_tab[0].nexthop_addr, nexthop_str, sizeof(nexthop_str));
pim_inet4_dump("<addr?>", addr, addr_str, sizeof(addr_str));
zlog_debug("%s %s: found nexthop %s for address %s: interface %s ifindex=%d metric=%d pref=%d",
__FILE__, __PRETTY_FUNCTION__,
@ -103,7 +103,7 @@ int pim_nexthop_lookup(struct pim_nexthop *nexthop, struct in_addr addr)
/* update nextop data */
nexthop->interface = ifp;
nexthop->mrib_nexthop_addr = nexthop_tab[0].nexthop_addr;
nexthop->mrib_nexthop_addr = nexthop_tab[0].nexthop_addr.u.prefix4;
nexthop->mrib_metric_preference = nexthop_tab[0].protocol_distance;
nexthop->mrib_route_metric = nexthop_tab[0].route_metric;

18
pimd/pim_zlookup.c
View File

@ -241,17 +241,18 @@ static int zclient_read_nexthop(struct zclient *zlookup,
switch (nexthop_type) {
case NEXTHOP_TYPE_IFINDEX:
case NEXTHOP_TYPE_IPV4_IFINDEX:
nexthop_tab[num_ifindex].nexthop_addr.family = AF_INET;
if (nexthop_type == NEXTHOP_TYPE_IPV4_IFINDEX) {
if (length < 4) {
zlog_err("%s: socket %d short input expecting nexthop IPv4-addr: len=%d",
__func__, zlookup->sock, length);
return -8;
}
nexthop_tab[num_ifindex].nexthop_addr.s_addr = stream_get_ipv4(s);
nexthop_tab[num_ifindex].nexthop_addr.u.prefix4.s_addr = stream_get_ipv4(s);
length -= 4;
}
else {
nexthop_tab[num_ifindex].nexthop_addr.s_addr = PIM_NET_INADDR_ANY;
nexthop_tab[num_ifindex].nexthop_addr.u.prefix4.s_addr = PIM_NET_INADDR_ANY;
}
nexthop_tab[num_ifindex].ifindex = stream_getl(s);
nexthop_tab[num_ifindex].protocol_distance = distance;
@ -259,7 +260,8 @@ static int zclient_read_nexthop(struct zclient *zlookup,
++num_ifindex;
break;
case NEXTHOP_TYPE_IPV4:
nexthop_tab[num_ifindex].nexthop_addr.s_addr = stream_get_ipv4(s);
nexthop_tab[num_ifindex].nexthop_addr.family = AF_INET;
nexthop_tab[num_ifindex].nexthop_addr.u.prefix4.s_addr = stream_get_ipv4(s);
length -= 4;
nexthop_tab[num_ifindex].ifindex = 0;
nexthop_tab[num_ifindex].protocol_distance = distance;
@ -268,7 +270,7 @@ static int zclient_read_nexthop(struct zclient *zlookup,
char addr_str[100];
char nexthop_str[100];
pim_inet4_dump("<addr?>", addr, addr_str, sizeof(addr_str));
pim_inet4_dump("<nexthop?>", nexthop_tab[num_ifindex].nexthop_addr, nexthop_str, sizeof(nexthop_str));
pim_addr_dump("<nexthop?>", &nexthop_tab[num_ifindex].nexthop_addr, nexthop_str, sizeof(nexthop_str));
zlog_debug("%s %s: zebra returned recursive nexthop %s for address %s",
__FILE__, __PRETTY_FUNCTION__,
nexthop_str, addr_str);
@ -354,7 +356,7 @@ zclient_lookup_nexthop (struct pim_zlookup_nexthop nexthop_tab[],
for (lookup = 0; lookup < max_lookup; ++lookup) {
int num_ifindex;
int first_ifindex;
struct in_addr nexthop_addr;
struct prefix nexthop_addr;
num_ifindex = zclient_lookup_nexthop_once(nexthop_tab,
PIM_NEXTHOP_IFINDEX_TAB_SIZE, addr);
@ -398,7 +400,7 @@ zclient_lookup_nexthop (struct pim_zlookup_nexthop nexthop_tab[],
}
/* use last address as nexthop address */
nexthop_tab[0].nexthop_addr = addr;
nexthop_tab[0].nexthop_addr.u.prefix4 = addr;
/* report original route metric/distance */
nexthop_tab[0].route_metric = route_metric;
@ -412,7 +414,7 @@ zclient_lookup_nexthop (struct pim_zlookup_nexthop nexthop_tab[],
char addr_str[100];
char nexthop_str[100];
pim_inet4_dump("<addr?>", addr, addr_str, sizeof(addr_str));
pim_inet4_dump("<nexthop?>", nexthop_addr, nexthop_str, sizeof(nexthop_str));
pim_addr_dump("<nexthop?>", &nexthop_addr, nexthop_str, sizeof(nexthop_str));
zlog_debug("%s %s: lookup=%d/%d: zebra returned recursive nexthop %s for address %s dist=%d met=%d",
__FILE__, __PRETTY_FUNCTION__,
lookup, max_lookup, nexthop_str, addr_str,
@ -420,7 +422,7 @@ zclient_lookup_nexthop (struct pim_zlookup_nexthop nexthop_tab[],
nexthop_tab[0].route_metric);
}
addr = nexthop_addr; /* use nexthop addr for recursive lookup */
addr = nexthop_addr.u.prefix4; /* use nexthop addr for recursive lookup */
} /* for (max_lookup) */

2
pimd/pim_zlookup.h
View File

@ -29,7 +29,7 @@
#define PIM_NEXTHOP_LOOKUP_MAX (3) /* max. recursive route lookup */
struct pim_zlookup_nexthop {
struct in_addr nexthop_addr;
struct prefix nexthop_addr;
ifindex_t ifindex;
uint32_t route_metric;
uint8_t protocol_distance;