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mlxsw: spectrum: Use dedicated trap group for sampled packets

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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: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2020-05-25 00:51:06 +03:00 committed by David S. Miller
parent b33f5d9fb7
commit ce3c3bf0bf
2 changed files with 3 additions and 1 deletions
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1
drivers/net/ethernet/mellanox/mlxsw/reg.h
View file

@ -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

3
drivers/net/ethernet/mellanox/mlxsw/spectrum.c
View file

@ -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;