mlxsw: spectrum: Disable SIP_DIP check in hardware pipeline

The check drops packets if they need to be routed and their source IP
equals to their destination IP.

Disable the check since the kernel forwards such packets and does not
drop them.

Signed-off-by: Amit Cohen <amitc@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 114122b52166cfbd6a58dc53bc18ce253302a988..0214252cc6b4472a7ce15e1889c5ec0b073645d0 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -4549,6 +4549,8 @@ static const struct mlxsw_listener mlxsw_sp_listener[] = {
                             ROUTER_EXP, false),
        MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_MC_DMAC, FORWARD,
                             ROUTER_EXP, false),
+       MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_SIP_DIP, FORWARD,
+                            ROUTER_EXP, false),
        /* PKT Sample trap */
        MLXSW_RXL(mlxsw_sp_rx_listener_sample_func, PKT_SAMPLE, MIRROR_TO_CPU,
                  false, SP_IP2ME, DISCARD),

diff --git a/drivers/net/ethernet/mellanox/mlxsw/trap.h b/drivers/net/ethernet/mellanox/mlxsw/trap.h
index 7ccec9e28cdda0029c86716051968abebc88887e..02c68820eae504bc661b6413212af8d7339009e0 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlxsw/trap.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/trap.h
@@ -84,6 +84,7 @@ enum {
        MLXSW_TRAP_ID_DISCARD_ING_ROUTER_SIP_LB = 0x165,
        MLXSW_TRAP_ID_DISCARD_ING_ROUTER_CORRUPTED_IP_HDR = 0x167,
        MLXSW_TRAP_ID_DISCARD_ING_ROUTER_MC_DMAC = 0x168,
+       MLXSW_TRAP_ID_DISCARD_ING_ROUTER_SIP_DIP = 0x169,
        MLXSW_TRAP_ID_DISCARD_ING_ROUTER_IPV4_SIP_BC = 0x16A,
        MLXSW_TRAP_ID_DISCARD_ING_ROUTER_IPV4_DIP_LOCAL_NET = 0x16B,
        MLXSW_TRAP_ID_DISCARD_ROUTER_LPM4 = 0x17B,