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zebra: evpn pip mac vlan up-down event

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macvlan interface up/down event triggers
bgp to send updates for evpn routes
with changed RMAC and nexthop IP values.

Ticket:CM-26190
Reviewed By:
Testing Done:

Signed-off-by: Chirag Shah <chirag@cumulusnetworks.com>
This commit is contained in:
Chirag Shah 2019-09-06 13:55:35 -07:00
parent 0ca1058096
commit 0056f687d7
3 changed files with 68 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
zebra/interface.c
View File

@ -1060,7 +1060,9 @@ void if_up(struct interface *ifp)
zif->link_ifindex);
if (link_if)
zebra_vxlan_svi_up(ifp, link_if);
}
} else if (IS_ZEBRA_IF_MACVLAN(ifp))
zebra_vxlan_macvlan_up(ifp);
}
/* Interface goes down. We have to manage different behavior of based
@ -1092,7 +1094,8 @@ void if_down(struct interface *ifp)
zif->link_ifindex);
if (link_if)
zebra_vxlan_svi_down(ifp, link_if);
}
} else if (IS_ZEBRA_IF_MACVLAN(ifp))
zebra_vxlan_macvlan_down(ifp);
/* Notify to the protocol daemons. */

61
zebra/zebra_vxlan.c
View File

@ -8562,6 +8562,67 @@ int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if)
return 0;
}
/*
* Handle MAC-VLAN interface going down.
* L3VNI: When MAC-VLAN interface goes down,
* find its associated SVI and update type2/type-5 routes
* with SVI as RMAC
*/
void zebra_vxlan_macvlan_down(struct interface *ifp)
{
zebra_l3vni_t *zl3vni = NULL;
struct zebra_if *zif, *link_zif;
struct interface *link_ifp, *link_if;
zif = ifp->info;
assert(zif);
link_ifp = zif->link;
link_zif = link_ifp->info;
assert(link_zif);
link_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT),
link_zif->link_ifindex);
zl3vni = zl3vni_from_svi(link_ifp, link_if);
if (zl3vni) {
zl3vni->mac_vlan_if = NULL;
if (is_l3vni_oper_up(zl3vni))
zebra_vxlan_process_l3vni_oper_up(zl3vni);
}
}
/*
* Handle MAC-VLAN interface going up.
* L3VNI: When MAC-VLAN interface comes up,
* find its associated SVI and update type-2 routes
* with MAC-VLAN's MAC as RMAC and for type-5 routes
* use SVI's MAC as RMAC.
*/
void zebra_vxlan_macvlan_up(struct interface *ifp)
{
zebra_l3vni_t *zl3vni = NULL;
struct zebra_if *zif, *link_zif;
struct interface *link_ifp, *link_if;
zif = ifp->info;
assert(zif);
link_ifp = zif->link;
link_zif = link_ifp->info;
assert(link_zif);
link_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT),
link_zif->link_ifindex);
zl3vni = zl3vni_from_svi(link_ifp, link_if);
if (zl3vni) {
/* associate with macvlan (VRR) interface */
zl3vni->mac_vlan_if = ifp;
/* process oper-up */
if (is_l3vni_oper_up(zl3vni))
zebra_vxlan_process_l3vni_oper_up(zl3vni);
}
}
/*
* Handle VxLAN interface down
*/

2
zebra/zebra_vxlan.h
View File

@ -217,6 +217,8 @@ extern int zebra_vxlan_clear_dup_detect_vni(struct vty *vty,
extern void zebra_vxlan_handle_result(struct zebra_dplane_ctx *ctx);
extern void zebra_evpn_init(void);
extern void zebra_vxlan_macvlan_up(struct interface *ifp);
extern void zebra_vxlan_macvlan_down(struct interface *ifp);
#ifdef __cplusplus
}