mlxsw: spectrum_trap: Move layer 3 exceptions to exceptions trap group

The layer 3 exceptions are still subject to the same trap policer, so
nothing changes, but user space can choose to assign a different one.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index 38fa7304af0c3aecf65af52c2e511199261bad31..030d6f9766d22cc4aa5f8cc5e914abd9f4c2f073 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -5552,6 +5552,7 @@ enum mlxsw_reg_htgt_trap_group {
        MLXSW_REG_HTGT_TRAP_GROUP_SP_DUMMY,
        MLXSW_REG_HTGT_TRAP_GROUP_SP_L2_DISCARDS,
        MLXSW_REG_HTGT_TRAP_GROUP_SP_L3_DISCARDS,
+       MLXSW_REG_HTGT_TRAP_GROUP_SP_L3_EXCEPTIONS,
        MLXSW_REG_HTGT_TRAP_GROUP_SP_TUNNEL_DISCARDS,
        MLXSW_REG_HTGT_TRAP_GROUP_SP_ACL_DISCARDS,
 

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c
index f4b812276a5a6f66448e120138871fb7731b481f..dc2217f1a07ff118acfedb56234ba7900dc6c253 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c
@@ -212,6 +212,11 @@ static const struct mlxsw_sp_trap_group_item mlxsw_sp_trap_group_items_arr[] = {
                .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_L3_DISCARDS,
                .priority = 0,
        },
+       {
+               .group = DEVLINK_TRAP_GROUP_GENERIC(L3_EXCEPTIONS, 1),
+               .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_L3_EXCEPTIONS,
+               .priority = 2,
+       },
        {
                .group = DEVLINK_TRAP_GROUP_GENERIC(TUNNEL_DROPS, 1),
                .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_TUNNEL_DISCARDS,
@@ -332,56 +337,59 @@ static const struct mlxsw_sp_trap_item mlxsw_sp_trap_items_arr[] = {
                },
        },
        {
-               .trap = MLXSW_SP_TRAP_EXCEPTION(MTU_ERROR, L3_DROPS),
+               .trap = MLXSW_SP_TRAP_EXCEPTION(MTU_ERROR, L3_EXCEPTIONS),
                .listeners_arr = {
-                       MLXSW_SP_RXL_EXCEPTION(MTUERROR, L3_DISCARDS,
+                       MLXSW_SP_RXL_EXCEPTION(MTUERROR, L3_EXCEPTIONS,
                                               TRAP_TO_CPU),
                },
        },
        {
-               .trap = MLXSW_SP_TRAP_EXCEPTION(TTL_ERROR, L3_DROPS),
+               .trap = MLXSW_SP_TRAP_EXCEPTION(TTL_ERROR, L3_EXCEPTIONS),
                .listeners_arr = {
-                       MLXSW_SP_RXL_EXCEPTION(TTLERROR, L3_DISCARDS,
+                       MLXSW_SP_RXL_EXCEPTION(TTLERROR, L3_EXCEPTIONS,
                                               TRAP_TO_CPU),
                },
        },
        {
-               .trap = MLXSW_SP_TRAP_EXCEPTION(RPF, L3_DROPS),
+               .trap = MLXSW_SP_TRAP_EXCEPTION(RPF, L3_EXCEPTIONS),
                .listeners_arr = {
-                       MLXSW_SP_RXL_EXCEPTION(RPF, L3_DISCARDS, TRAP_TO_CPU),
+                       MLXSW_SP_RXL_EXCEPTION(RPF, L3_EXCEPTIONS, TRAP_TO_CPU),
                },
        },
        {
-               .trap = MLXSW_SP_TRAP_EXCEPTION(REJECT_ROUTE, L3_DROPS),
+               .trap = MLXSW_SP_TRAP_EXCEPTION(REJECT_ROUTE, L3_EXCEPTIONS),
                .listeners_arr = {
-                       MLXSW_SP_RXL_EXCEPTION(RTR_INGRESS1, L3_DISCARDS,
+                       MLXSW_SP_RXL_EXCEPTION(RTR_INGRESS1, L3_EXCEPTIONS,
                                               TRAP_TO_CPU),
                },
        },
        {
-               .trap = MLXSW_SP_TRAP_EXCEPTION(UNRESOLVED_NEIGH, L3_DROPS),
+               .trap = MLXSW_SP_TRAP_EXCEPTION(UNRESOLVED_NEIGH,
+                                               L3_EXCEPTIONS),
                .listeners_arr = {
-                       MLXSW_SP_RXL_EXCEPTION(HOST_MISS_IPV4, L3_DISCARDS,
+                       MLXSW_SP_RXL_EXCEPTION(HOST_MISS_IPV4, L3_EXCEPTIONS,
                                               TRAP_TO_CPU),
-                       MLXSW_SP_RXL_EXCEPTION(HOST_MISS_IPV6, L3_DISCARDS,
+                       MLXSW_SP_RXL_EXCEPTION(HOST_MISS_IPV6, L3_EXCEPTIONS,
                                               TRAP_TO_CPU),
-                       MLXSW_SP_RXL_EXCEPTION(DISCARD_ROUTER3, L3_DISCARDS,
+                       MLXSW_SP_RXL_EXCEPTION(DISCARD_ROUTER3, L3_EXCEPTIONS,
                                               TRAP_EXCEPTION_TO_CPU),
                },
        },
        {
                .trap = MLXSW_SP_TRAP_EXCEPTION(IPV4_LPM_UNICAST_MISS,
-                                               L3_DROPS),
+                                               L3_EXCEPTIONS),
                .listeners_arr = {
-                       MLXSW_SP_RXL_EXCEPTION(DISCARD_ROUTER_LPM4, L3_DISCARDS,
+                       MLXSW_SP_RXL_EXCEPTION(DISCARD_ROUTER_LPM4,
+                                              L3_EXCEPTIONS,
                                               TRAP_EXCEPTION_TO_CPU),
                },
        },
        {
                .trap = MLXSW_SP_TRAP_EXCEPTION(IPV6_LPM_UNICAST_MISS,
-                                               L3_DROPS),
+                                               L3_EXCEPTIONS),
                .listeners_arr = {
-                       MLXSW_SP_RXL_EXCEPTION(DISCARD_ROUTER_LPM6, L3_DISCARDS,
+                       MLXSW_SP_RXL_EXCEPTION(DISCARD_ROUTER_LPM6,
+                                              L3_EXCEPTIONS,
                                               TRAP_EXCEPTION_TO_CPU),
                },
        },