diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c index 7c03b661ae7e..e0d7c49ffae0 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c @@ -13,16 +13,27 @@ static void mlxsw_sp_rx_drop_listener(struct sk_buff *skb, u8 local_port, void *priv); +static void mlxsw_sp_rx_exception_listener(struct sk_buff *skb, u8 local_port, + void *trap_ctx); #define MLXSW_SP_TRAP_DROP(_id, _group_id) \ DEVLINK_TRAP_GENERIC(DROP, DROP, _id, \ DEVLINK_TRAP_GROUP_GENERIC(_group_id), \ MLXSW_SP_TRAP_METADATA) +#define MLXSW_SP_TRAP_EXCEPTION(_id, _group_id) \ + DEVLINK_TRAP_GENERIC(EXCEPTION, TRAP, _id, \ + DEVLINK_TRAP_GROUP_GENERIC(_group_id), \ + MLXSW_SP_TRAP_METADATA) + #define MLXSW_SP_RXL_DISCARD(_id, _group_id) \ MLXSW_RXL(mlxsw_sp_rx_drop_listener, DISCARD_##_id, SET_FW_DEFAULT, \ false, SP_##_group_id, DISCARD) +#define MLXSW_SP_RXL_EXCEPTION(_id, _group_id, _action) \ + MLXSW_RXL(mlxsw_sp_rx_exception_listener, _id, \ + _action, false, SP_##_group_id, DISCARD) + static struct devlink_trap mlxsw_sp_traps_arr[] = { MLXSW_SP_TRAP_DROP(SMAC_MC, L2_DROPS), MLXSW_SP_TRAP_DROP(VLAN_TAG_MISMATCH, L2_DROPS), @@ -30,6 +41,23 @@ static struct devlink_trap mlxsw_sp_traps_arr[] = { MLXSW_SP_TRAP_DROP(INGRESS_STP_FILTER, L2_DROPS), MLXSW_SP_TRAP_DROP(EMPTY_TX_LIST, L2_DROPS), MLXSW_SP_TRAP_DROP(PORT_LOOPBACK_FILTER, L2_DROPS), + MLXSW_SP_TRAP_DROP(BLACKHOLE_ROUTE, L3_DROPS), + MLXSW_SP_TRAP_DROP(NON_IP_PACKET, L3_DROPS), + MLXSW_SP_TRAP_DROP(UC_DIP_MC_DMAC, L3_DROPS), + MLXSW_SP_TRAP_DROP(DIP_LB, L3_DROPS), + MLXSW_SP_TRAP_DROP(SIP_MC, L3_DROPS), + MLXSW_SP_TRAP_DROP(SIP_LB, L3_DROPS), + MLXSW_SP_TRAP_DROP(CORRUPTED_IP_HDR, L3_DROPS), + MLXSW_SP_TRAP_DROP(IPV4_SIP_BC, L3_DROPS), + MLXSW_SP_TRAP_DROP(IPV6_MC_DIP_RESERVED_SCOPE, L3_DROPS), + MLXSW_SP_TRAP_DROP(IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, L3_DROPS), + MLXSW_SP_TRAP_EXCEPTION(MTU_ERROR, L3_DROPS), + MLXSW_SP_TRAP_EXCEPTION(TTL_ERROR, L3_DROPS), + MLXSW_SP_TRAP_EXCEPTION(RPF, L3_DROPS), + MLXSW_SP_TRAP_EXCEPTION(REJECT_ROUTE, L3_DROPS), + MLXSW_SP_TRAP_EXCEPTION(UNRESOLVED_NEIGH, L3_DROPS), + MLXSW_SP_TRAP_EXCEPTION(IPV4_LPM_UNICAST_MISS, L3_DROPS), + MLXSW_SP_TRAP_EXCEPTION(IPV6_LPM_UNICAST_MISS, L3_DROPS), }; static struct mlxsw_listener mlxsw_sp_listeners_arr[] = { @@ -40,6 +68,28 @@ static struct mlxsw_listener mlxsw_sp_listeners_arr[] = { MLXSW_SP_RXL_DISCARD(LOOKUP_SWITCH_UC, L2_DISCARDS), MLXSW_SP_RXL_DISCARD(LOOKUP_SWITCH_MC_NULL, L2_DISCARDS), MLXSW_SP_RXL_DISCARD(LOOKUP_SWITCH_LB, L2_DISCARDS), + MLXSW_SP_RXL_DISCARD(ROUTER2, L3_DISCARDS), + MLXSW_SP_RXL_DISCARD(ING_ROUTER_NON_IP_PACKET, L3_DISCARDS), + MLXSW_SP_RXL_DISCARD(ING_ROUTER_UC_DIP_MC_DMAC, L3_DISCARDS), + MLXSW_SP_RXL_DISCARD(ING_ROUTER_DIP_LB, L3_DISCARDS), + MLXSW_SP_RXL_DISCARD(ING_ROUTER_SIP_MC, L3_DISCARDS), + MLXSW_SP_RXL_DISCARD(ING_ROUTER_SIP_LB, L3_DISCARDS), + MLXSW_SP_RXL_DISCARD(ING_ROUTER_CORRUPTED_IP_HDR, L3_DISCARDS), + MLXSW_SP_RXL_DISCARD(ING_ROUTER_IPV4_SIP_BC, L3_DISCARDS), + MLXSW_SP_RXL_DISCARD(IPV6_MC_DIP_RESERVED_SCOPE, L3_DISCARDS), + MLXSW_SP_RXL_DISCARD(IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, L3_DISCARDS), + MLXSW_SP_RXL_EXCEPTION(MTUERROR, ROUTER_EXP, TRAP_TO_CPU), + MLXSW_SP_RXL_EXCEPTION(TTLERROR, ROUTER_EXP, TRAP_TO_CPU), + MLXSW_SP_RXL_EXCEPTION(RPF, RPF, TRAP_TO_CPU), + MLXSW_SP_RXL_EXCEPTION(RTR_INGRESS1, REMOTE_ROUTE, TRAP_TO_CPU), + MLXSW_SP_RXL_EXCEPTION(HOST_MISS_IPV4, HOST_MISS, TRAP_TO_CPU), + MLXSW_SP_RXL_EXCEPTION(HOST_MISS_IPV6, HOST_MISS, TRAP_TO_CPU), + MLXSW_SP_RXL_EXCEPTION(DISCARD_ROUTER3, REMOTE_ROUTE, + TRAP_EXCEPTION_TO_CPU), + MLXSW_SP_RXL_EXCEPTION(DISCARD_ROUTER_LPM4, ROUTER_EXP, + TRAP_EXCEPTION_TO_CPU), + MLXSW_SP_RXL_EXCEPTION(DISCARD_ROUTER_LPM6, ROUTER_EXP, + TRAP_EXCEPTION_TO_CPU), }; /* Mapping between hardware trap and devlink trap. Multiple hardware traps can @@ -54,6 +104,25 @@ static u16 mlxsw_sp_listener_devlink_map[] = { DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, + DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, + DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, + DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, + DEVLINK_TRAP_GENERIC_ID_DIP_LB, + DEVLINK_TRAP_GENERIC_ID_SIP_MC, + DEVLINK_TRAP_GENERIC_ID_SIP_LB, + DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, + DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, + DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, + DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, + DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, + DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, + DEVLINK_TRAP_GENERIC_ID_RPF, + DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, + DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, + DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, + DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, + DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, + DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, }; static int mlxsw_sp_rx_listener(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb, @@ -104,6 +173,30 @@ static void mlxsw_sp_rx_drop_listener(struct sk_buff *skb, u8 local_port, consume_skb(skb); } +static void mlxsw_sp_rx_exception_listener(struct sk_buff *skb, u8 local_port, + void *trap_ctx) +{ + struct devlink_port *in_devlink_port; + struct mlxsw_sp_port *mlxsw_sp_port; + struct mlxsw_sp *mlxsw_sp; + struct devlink *devlink; + + mlxsw_sp = devlink_trap_ctx_priv(trap_ctx); + mlxsw_sp_port = mlxsw_sp->ports[local_port]; + + if (mlxsw_sp_rx_listener(mlxsw_sp, skb, local_port, mlxsw_sp_port)) + return; + + devlink = priv_to_devlink(mlxsw_sp->core); + in_devlink_port = mlxsw_core_port_devlink_port_get(mlxsw_sp->core, + local_port); + skb_push(skb, ETH_HLEN); + devlink_trap_report(devlink, skb, trap_ctx, in_devlink_port); + skb_pull(skb, ETH_HLEN); + skb->offload_fwd_mark = 1; + netif_receive_skb(skb); +} + int mlxsw_sp_devlink_traps_init(struct mlxsw_sp *mlxsw_sp) { struct devlink *devlink = priv_to_devlink(mlxsw_sp->core); @@ -211,6 +304,7 @@ mlxsw_sp_trap_group_policer_init(struct mlxsw_sp *mlxsw_sp, u32 rate; switch (group->id) { + case DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS:/* fall through */ case DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS: policer_id = MLXSW_SP_DISCARD_POLICER_ID; ir_units = MLXSW_REG_QPCR_IR_UNITS_M; @@ -242,6 +336,12 @@ __mlxsw_sp_trap_group_init(struct mlxsw_sp *mlxsw_sp, priority = 0; tc = 1; break; + case DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS: + group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_L3_DISCARDS; + policer_id = MLXSW_SP_DISCARD_POLICER_ID; + priority = 0; + tc = 1; + break; default: return -EINVAL; } |