[PATCH net-next 10/11] mlxsw: spectrum: Use dedicated trap group for sampled packets

[Ido Schimmel]

From: Ido Schimmel <ido...@mellanox.com>

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 <ido...@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlxsw/reg.h      | 1 +
 drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h 
b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index 4d61c414348f..9b27a129b0a6 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -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
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c 
b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index c4fdfe8fd5a3..d275887bba28 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -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;
-- 
2.26.2