diff options
author | Neale Ranns <nranns@cisco.com> | 2019-03-29 05:08:27 -0700 |
---|---|---|
committer | Neale Ranns <nranns@cisco.com> | 2019-04-03 13:48:19 +0000 |
commit | 2b600184f3f43e740b54a1c51d3a35f8c1a77868 (patch) | |
tree | ce2384579f02214589729ee90642aec035906f47 /src/vnet/vxlan-gbp/vxlan_gbp_packet.h | |
parent | 7cae003a68ed3e1022bcc8d33d0b5375918a83f7 (diff) |
GBP: iVXLAN reflection check
packets should not egress on an iVXLAN tunnel if they
arrived on one.
Change-Id: I9adca30252364b4878f99e254aebc73b70a5d4d6
Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/vxlan-gbp/vxlan_gbp_packet.h')
-rw-r--r-- | src/vnet/vxlan-gbp/vxlan_gbp_packet.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/vnet/vxlan-gbp/vxlan_gbp_packet.h b/src/vnet/vxlan-gbp/vxlan_gbp_packet.h index 33bccd6aed6..58fe00323b0 100644 --- a/src/vnet/vxlan-gbp/vxlan_gbp_packet.h +++ b/src/vnet/vxlan-gbp/vxlan_gbp_packet.h @@ -63,6 +63,11 @@ * Group membership being encapsulated by VXLAN. Its value is source * class id. * + * FOR INTERNAL USE ONLY + * R bit: Bit 12 of the initial word is defined as the reflection bit + * Set on packet rx checked on tx and dropped if set. this prevents + * packets recieved on an iVXLAN tunnel being reflected back to + * another. */ typedef struct @@ -103,7 +108,8 @@ typedef enum _ (0x40, D) \ _ (0x20, E) \ _ (0x10, S) \ -_ (0x08, A) +_ (0x08, A) \ +_ (0x04, R) typedef enum { |