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zebra: implement two missing RIB lookup_entry() callbacks

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Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
This commit is contained in:
Renato Westphal 2020-05-18 21:34:48 -03:00
parent c17a3d0f32
commit bf6f7f7d54
1 changed files with 69 additions and 3 deletions
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72
zebra/zebra_nb_state.c
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@ -512,8 +512,9 @@ int lib_vrf_zebra_ribs_rib_route_route_entry_nexthop_group_get_keys(
const void *lib_vrf_zebra_ribs_rib_route_route_entry_nexthop_group_lookup_entry(
struct nb_cb_lookup_entry_args *args)
{
/* TODO: implement me. */
return NULL;
struct route_entry *re = (struct route_entry *)args->parent_list_entry;
return re->nhe;
}
/*
@ -617,7 +618,72 @@ const void *
lib_vrf_zebra_ribs_rib_route_route_entry_nexthop_group_frr_nexthops_nexthop_lookup_entry(
struct nb_cb_lookup_entry_args *args)
{
/* TODO: implement me. */
struct nhg_hash_entry *nhe;
struct nexthop nexthop_lookup = {};
struct nexthop *nexthop;
const char *nh_type_str;
nhe = (struct nhg_hash_entry *)args->parent_list_entry;
nexthop_lookup.vrf_id = nhe->vrf_id;
/*
* Get nexthop type.
* TODO: use yang_str2enum() instead.
*/
nh_type_str = args->keys->key[0];
if (strmatch(nh_type_str, "ifindex"))
nexthop_lookup.type = NEXTHOP_TYPE_IFINDEX;
else if (strmatch(nh_type_str, "ip4"))
nexthop_lookup.type = NEXTHOP_TYPE_IPV4;
else if (strmatch(nh_type_str, "ip4-ifindex"))
nexthop_lookup.type = NEXTHOP_TYPE_IPV4_IFINDEX;
else if (strmatch(nh_type_str, "ip6"))
nexthop_lookup.type = NEXTHOP_TYPE_IPV6;
else if (strmatch(nh_type_str, "ip6-ifindex"))
nexthop_lookup.type = NEXTHOP_TYPE_IPV6_IFINDEX;
else if (strmatch(nh_type_str, "blackhole"))
nexthop_lookup.type = NEXTHOP_TYPE_BLACKHOLE;
else
/* unexpected */
return NULL;
/* Get nexthop address. */
switch (nexthop_lookup.type) {
case NEXTHOP_TYPE_IPV4:
case NEXTHOP_TYPE_IPV4_IFINDEX:
yang_str2ipv4(args->keys->key[1], &nexthop_lookup.gate.ipv4);
break;
case NEXTHOP_TYPE_IPV6:
case NEXTHOP_TYPE_IPV6_IFINDEX:
yang_str2ipv6(args->keys->key[1], &nexthop_lookup.gate.ipv6);
break;
case NEXTHOP_TYPE_IFINDEX:
case NEXTHOP_TYPE_BLACKHOLE:
break;
}
/* Get nexthop interface. */
switch (nexthop_lookup.type) {
case NEXTHOP_TYPE_IPV4_IFINDEX:
case NEXTHOP_TYPE_IPV6_IFINDEX:
case NEXTHOP_TYPE_IFINDEX:
nexthop_lookup.ifindex =
ifname2ifindex(args->keys->key[2], nhe->vrf_id);
break;
case NEXTHOP_TYPE_IPV4:
case NEXTHOP_TYPE_IPV6:
case NEXTHOP_TYPE_BLACKHOLE:
break;
}
/* Lookup requested nexthop (ignore weight and metric). */
for (ALL_NEXTHOPS(nhe->nhg, nexthop)) {
nexthop_lookup.weight = nexthop->weight;
nexthop_lookup.src = nexthop->src;
if (nexthop_same_no_labels(&nexthop_lookup, nexthop))
return nexthop;
}
return NULL;
}