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mlxsw: Add OVERLAY_SMAC_MC trap

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Add a trap for NVE packets that the device decided to drop because their
overlay source MAC is multicast.

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>
This commit is contained in:
Amit Cohen 2020-01-19 15:00:59 +02:00 committed by David S. Miller
parent c3cae4916e
commit 3aed0722f7
2 changed files with 4 additions and 0 deletions
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3
drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c
View File

@ -82,6 +82,7 @@ static struct devlink_trap mlxsw_sp_traps_arr[] = {
MLXSW_SP_TRAP_DRIVER_DROP(ERIF_DISABLED, L3_DROPS),
MLXSW_SP_TRAP_DROP(NON_ROUTABLE, L3_DROPS),
MLXSW_SP_TRAP_EXCEPTION(DECAP_ERROR, TUNNEL_DROPS),
MLXSW_SP_TRAP_DROP(OVERLAY_SMAC_MC, TUNNEL_DROPS),
};
static struct mlxsw_listener mlxsw_sp_listeners_arr[] = {
@ -122,6 +123,7 @@ static struct mlxsw_listener mlxsw_sp_listeners_arr[] = {
TRAP_EXCEPTION_TO_CPU),
MLXSW_SP_RXL_EXCEPTION(DISCARD_DEC_PKT, TUNNEL_DISCARDS,
TRAP_EXCEPTION_TO_CPU),
MLXSW_SP_RXL_DISCARD(OVERLAY_SMAC_MC, TUNNEL_DISCARDS),
};
/* Mapping between hardware trap and devlink trap. Multiple hardware traps can
@ -161,6 +163,7 @@ static u16 mlxsw_sp_listener_devlink_map[] = {
DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
};
static int mlxsw_sp_rx_listener(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb,

1
drivers/net/ethernet/mellanox/mlxsw/trap.h
View File

@ -94,6 +94,7 @@ enum {
MLXSW_TRAP_ID_DISCARD_ROUTER_LPM4 = 0x17B,
MLXSW_TRAP_ID_DISCARD_ROUTER_LPM6 = 0x17C,
MLXSW_TRAP_ID_DISCARD_DEC_PKT = 0x188,
MLXSW_TRAP_ID_DISCARD_OVERLAY_SMAC_MC = 0x190,
MLXSW_TRAP_ID_DISCARD_IPV6_MC_DIP_RESERVED_SCOPE = 0x1B0,
MLXSW_TRAP_ID_DISCARD_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE = 0x1B1,
MLXSW_TRAP_ID_ACL0 = 0x1C0,