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Commit 86484de2 authored by Petr Machata's avatar Petr Machata Committed by David S. Miller
Browse files

mlxsw: spectrum: Register for IPIP_DECAP_ERROR trap 



These traps are generated for packets that fail checks for source IP,
encapsulation type, or GRE key. Trap these packets to CPU for follow-up
handling by the kernel, which will send ICMP destination unreachable
responses.

Signed-off-by: default avatarPetr Machata <petrm@mellanox.com>
Reviewed-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1cc38fb1

drivers/net/ethernet/mellanox/mlxsw/spectrum.c

+1 −0
Original line number Diff line number Diff line
@@ -3400,6 +3400,7 @@ static const struct mlxsw_listener mlxsw_sp_listener[] = { 
	MLXSW_SP_RXL_MARK(HOST_MISS_IPV6, TRAP_TO_CPU, HOST_MISS, false),

	MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV4, TRAP_TO_CPU, ROUTER_EXP, false),

	MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV6, TRAP_TO_CPU, ROUTER_EXP, false),

	MLXSW_SP_RXL_MARK(IPIP_DECAP_ERROR, TRAP_TO_CPU, ROUTER_EXP, false),

	/* PKT Sample trap */

	MLXSW_RXL(mlxsw_sp_rx_listener_sample_func, PKT_SAMPLE, MIRROR_TO_CPU,

		  false, SP_IP2ME, DISCARD),

drivers/net/ethernet/mellanox/mlxsw/trap.h

+1 −0
Original line number Diff line number Diff line
@@ -85,6 +85,7 @@ enum { 
	MLXSW_TRAP_ID_HOST_MISS_IPV4 = 0x90,

	MLXSW_TRAP_ID_IPV6_MC_LINK_LOCAL_DEST = 0x91,

	MLXSW_TRAP_ID_HOST_MISS_IPV6 = 0x92,

	MLXSW_TRAP_ID_IPIP_DECAP_ERROR = 0xB1,

	MLXSW_TRAP_ID_ROUTER_ALERT_IPV4 = 0xD6,

	MLXSW_TRAP_ID_ROUTER_ALERT_IPV6 = 0xD7,

	MLXSW_TRAP_ID_ACL0 = 0x1C0,