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zebra: upon RTM_NEWROUTE/DELROUTE, find appropriate interface

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The interface lookup algorithm is different according to if we are on
netns vrf or not. If we are on the former case, then we only have to
parse the interfaces of the netns, while if we are on the other case, we
have to parse all the interfaces of all the vrfs ( since index is not
overlapping in the latter case).

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
This commit is contained in:
Philippe Guibert 2018-07-02 10:33:00 +02:00
parent c26178fe61
commit fac4d51eea
1 changed files with 6 additions and 3 deletions
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9
zebra/rt_netlink.c
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@ -483,7 +483,9 @@ static int netlink_route_change_read_unicast(struct nlmsghdr *h, ns_id_t ns_id,
memcpy(&nh.gate, gate, sz);
if (index) {
ifp = if_lookup_by_index(index, VRF_UNKNOWN);
ifp = if_lookup_by_index_per_ns(
zebra_ns_lookup(ns_id),
index);
if (ifp)
nh_vrf_id = ifp->vrf_id;
}
@ -526,8 +528,9 @@ static int netlink_route_change_read_unicast(struct nlmsghdr *h, ns_id_t ns_id,
* using the last one looked
* up right now
*/
ifp = if_lookup_by_index(index,
VRF_UNKNOWN);
ifp = if_lookup_by_index_per_ns(
zebra_ns_lookup(ns_id),
index);
if (ifp)
nh_vrf_id = ifp->vrf_id;
else {