Commit ce3c3bf0 authored by Ido Schimmel's avatar Ido Schimmel Committed by David S. Miller
Browse files

mlxsw: spectrum: Use dedicated trap group for sampled packets 



The rate with which packets are sampled is determined by user space, so
there is no need to associate such packets with a policer.

Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b33f5d9f

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

+1 −0
Original line number Diff line number Diff line
@@ -5547,6 +5547,7 @@ enum mlxsw_reg_htgt_trap_group { 
	MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP0,

	MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP1,

	MLXSW_REG_HTGT_TRAP_GROUP_SP_VRRP,

	MLXSW_REG_HTGT_TRAP_GROUP_SP_PKT_SAMPLE,



	__MLXSW_REG_HTGT_TRAP_GROUP_MAX,

	MLXSW_REG_HTGT_TRAP_GROUP_MAX = __MLXSW_REG_HTGT_TRAP_GROUP_MAX - 1

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

+2 −1
Original line number Diff line number Diff line
@@ -4103,7 +4103,7 @@ static const struct mlxsw_listener mlxsw_sp_listener[] = { 
			     ROUTER_EXP, false),

	/* PKT Sample trap */

	MLXSW_RXL(mlxsw_sp_rx_listener_sample_func, PKT_SAMPLE, MIRROR_TO_CPU,

		  false, SP_IP2ME, DISCARD),

		  false, SP_PKT_SAMPLE, DISCARD),

	/* ACL trap */

	MLXSW_SP_RXL_NO_MARK(ACL0, TRAP_TO_CPU, IP2ME, false),

	/* Multicast Router Traps */
@@ -4252,6 +4252,7 @@ static int mlxsw_sp_trap_groups_set(struct mlxsw_core *mlxsw_core) 
			priority = 1;

			tc = 1;

			break;

		case MLXSW_REG_HTGT_TRAP_GROUP_SP_PKT_SAMPLE:

		case MLXSW_REG_HTGT_TRAP_GROUP_SP_LBERROR:

			priority = 0;

			tc = 0;

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