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zebra: trigger remove all access vlans for access port

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When port was removed from last access vlan, the linux kernel
won't send any vlan info in the netlink message, it might affact
the evpn mh not withdraw EAD-EVI routes.

Signed-off-by: Gord Chen <gord_chen@edge-core.com>
This commit is contained in:
gord_chen 2021-07-20 09:28:37 +00:00
parent 1dce93dabb
commit ec8977510e
1 changed files with 19 additions and 15 deletions
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34
zebra/if_netlink.c
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@ -706,6 +706,9 @@ static int netlink_bridge_vxlan_update(struct interface *ifp,
struct bridge_vlan_info *vinfo;
vlanid_t access_vlan;
if (!af_spec)
return 0;
/* There is a 1-to-1 mapping of VLAN to VxLAN - hence
* only 1 access VLAN is accepted.
*/
@ -742,23 +745,26 @@ static void netlink_bridge_vlan_update(struct interface *ifp,
/* create a new bitmap space for re-eval */
bf_init(zif->vlan_bitmap, IF_VLAN_BITMAP_MAX);
for (i = RTA_DATA(af_spec), rem = RTA_PAYLOAD(af_spec);
RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
if (af_spec) {
for (i = RTA_DATA(af_spec), rem = RTA_PAYLOAD(af_spec);
RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
if (i->rta_type != IFLA_BRIDGE_VLAN_INFO)
continue;
if (i->rta_type != IFLA_BRIDGE_VLAN_INFO)
continue;
vinfo = RTA_DATA(i);
vinfo = RTA_DATA(i);
if (vinfo->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) {
vid_range_start = vinfo->vid;
continue;
if (vinfo->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) {
vid_range_start = vinfo->vid;
continue;
}
if (!(vinfo->flags & BRIDGE_VLAN_INFO_RANGE_END))
vid_range_start = vinfo->vid;
zebra_vlan_bitmap_compute(ifp, vid_range_start,
vinfo->vid);
}
if (!(vinfo->flags & BRIDGE_VLAN_INFO_RANGE_END))
vid_range_start = vinfo->vid;
zebra_vlan_bitmap_compute(ifp, vid_range_start, vinfo->vid);
}
zebra_vlan_mbr_re_eval(ifp, old_vlan_bitmap);
@ -794,8 +800,6 @@ static int netlink_bridge_interface(struct nlmsghdr *h, int len, ns_id_t ns_id,
/* We are only interested in the access VLAN i.e., AF_SPEC */
af_spec = tb[IFLA_AF_SPEC];
if (!af_spec)
return 0;
if (IS_ZEBRA_IF_VXLAN(ifp))
return netlink_bridge_vxlan_update(ifp, af_spec);