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bridge: Allow setting per-{Port, VLAN} neighbor suppression state

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Add a new bridge port attribute that allows user space to enable
per-{Port, VLAN} neighbor suppression. Example:

 # bridge -d -j -p link show dev swp1 | jq '.[]["neigh_vlan_suppress"]'
 false
 # bridge link set dev swp1 neigh_vlan_suppress on
 # bridge -d -j -p link show dev swp1 | jq '.[]["neigh_vlan_suppress"]'
 true
 # bridge link set dev swp1 neigh_vlan_suppress off
 # bridge -d -j -p link show dev swp1 | jq '.[]["neigh_vlan_suppress"]'
 false

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel
2023-04-19 18:34:59 +03:00
committed by David S. Miller
parent 83f6d60079
commit 160656d720
3 changed files with 9 additions and 2 deletions
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include/uapi/linux/if_link.h
+1
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@@ -569,6 +569,7 @@ enum {
IFLA_BRPORT_MAB,
IFLA_BRPORT_MCAST_N_GROUPS,
IFLA_BRPORT_MCAST_MAX_GROUPS,
IFLA_BRPORT_NEIGH_VLAN_SUPPRESS,
__IFLA_BRPORT_MAX
};
#define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)