vrrpd: add IPv4 pseudoheader option for VRRPv3

This commit adds a new option to control whether a VRRPv3 group
accepts / computes its checksum with a prepended IPv4 pseudoheader.
This should improve interoperability with other devices.

Signed-off-by: Siger Yang <siger.yang@outlook.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/yang/frr-vrrpd.yang b/yang/frr-vrrpd.yang
index 200eaeb0b5..cd04df2670 100644
--- a/yang/frr-vrrpd.yang
+++ b/yang/frr-vrrpd.yang
@@ -110,6 +110,13 @@ module frr-vrrpd {
          address is not owned by the router interface";
     }
 
+    leaf checksum-with-ipv4-pseudoheader {
+      type boolean;
+      default "true";
+      description
+        "Enabled if VRRPv3 checksum for IPv4 involves pseudoheader";
+    }
+
     leaf advertisement-interval {
       type uint16 {
         range "1..4095";