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net: bridge: Add support for bridge port in locked mode

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In a 802.1X scenario, clients connected to a bridge port shall not
be allowed to have traffic forwarded until fully authenticated.
A static fdb entry of the clients MAC address for the bridge port
unlocks the client and allows bidirectional communication.

This scenario is facilitated with setting the bridge port in locked
mode, which is also supported by various switchcore chipsets.

Signed-off-by: Hans Schultz <schultz.hans+netdev@gmail.com>
Acked-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hans Schultz
2022-02-23 11:16:46 +01:00
committed by David S. Miller
parent b26ef81c46
commit a21d9a670d
4 changed files with 17 additions and 2 deletions
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1
include/linux/if_bridge.h
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@@ -58,6 +58,7 @@ struct br_ip_list {
#define BR_MRP_LOST_CONT BIT(18)
#define BR_MRP_LOST_IN_CONT BIT(19)
#define BR_TX_FWD_OFFLOAD BIT(20)
#define BR_PORT_LOCKED BIT(21)
#define BR_DEFAULT_AGEING_TIME (300 * HZ)