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

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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>
This commit is contained in:
Ido Schimmel 2020-05-29 21:36:37 +03:00 committed by David S. Miller
parent 678eb199cc
commit 1e292f5c11
2 changed files with 25 additions and 16 deletions
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1
drivers/net/ethernet/mellanox/mlxsw/reg.h
View File

@ -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,

40
drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c
View File

@ -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),
},
},