diff options
author | Amit Cohen <amitc@mellanox.com> | 2020-01-19 15:00:55 +0200 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2020-01-19 16:23:52 +0100 |
commit | a318bf621a6eabc45e51ed9297b4c01991bfd7e4 (patch) | |
tree | 13c7470c2d46dec19e5aa60c90f7f6009416926f /drivers/net | |
parent | 13c056ec7d006b11557cebd9f1803edd646d2876 (diff) | |
download | linux-a318bf621a6eabc45e51ed9297b4c01991bfd7e4.tar.bz2 |
mlxsw: Add tunnel devlink-trap support
Add the trap IDs and trap group used to report tunnel drops. Register
tunnel packet traps and associated tunnel trap group with devlink
during driver initialization.
Signed-off-by: Amit Cohen <amitc@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/reg.h | 1 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c | 18 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/trap.h | 1 |
4 files changed, 19 insertions, 3 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h index 47c29776d5d9..0b80e75e87c3 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/reg.h +++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h @@ -5513,6 +5513,7 @@ enum mlxsw_reg_htgt_discard_trap_group { MLXSW_REG_HTGT_DISCARD_TRAP_GROUP_BASE = MLXSW_REG_HTGT_TRAP_GROUP_MAX, MLXSW_REG_HTGT_TRAP_GROUP_SP_L2_DISCARDS, MLXSW_REG_HTGT_TRAP_GROUP_SP_L3_DISCARDS, + MLXSW_REG_HTGT_TRAP_GROUP_SP_TUNNEL_DISCARDS, }; /* reg_htgt_trap_group diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index 2f0b516ee03f..cc30a69a6df0 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -4538,8 +4538,6 @@ static const struct mlxsw_listener mlxsw_sp_listener[] = { false), MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV4, TRAP_TO_CPU, ROUTER_EXP, false), MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV6, TRAP_TO_CPU, ROUTER_EXP, false), - MLXSW_SP_RXL_MARK(IPIP_DECAP_ERROR, TRAP_TO_CPU, ROUTER_EXP, false), - MLXSW_SP_RXL_MARK(DECAP_ECN0, TRAP_TO_CPU, ROUTER_EXP, false), MLXSW_SP_RXL_MARK(IPV4_VRRP, TRAP_TO_CPU, VRRP, false), MLXSW_SP_RXL_MARK(IPV6_VRRP, TRAP_TO_CPU, VRRP, false), MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_SIP_CLASS_E, FORWARD, diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c index 5ae60eb11a2d..b03bb3a54fc8 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c @@ -81,6 +81,7 @@ static struct devlink_trap mlxsw_sp_traps_arr[] = { MLXSW_SP_TRAP_DRIVER_DROP(IRIF_DISABLED, L3_DROPS), MLXSW_SP_TRAP_DRIVER_DROP(ERIF_DISABLED, L3_DROPS), MLXSW_SP_TRAP_DROP(NON_ROUTABLE, L3_DROPS), + MLXSW_SP_TRAP_EXCEPTION(DECAP_ERROR, TUNNEL_DROPS), }; static struct mlxsw_listener mlxsw_sp_listeners_arr[] = { @@ -116,6 +117,11 @@ static struct mlxsw_listener mlxsw_sp_listeners_arr[] = { MLXSW_SP_RXL_DISCARD(ROUTER_IRIF_EN, L3_DISCARDS), MLXSW_SP_RXL_DISCARD(ROUTER_ERIF_EN, L3_DISCARDS), MLXSW_SP_RXL_DISCARD(NON_ROUTABLE, L3_DISCARDS), + MLXSW_SP_RXL_EXCEPTION(DECAP_ECN0, ROUTER_EXP, TRAP_EXCEPTION_TO_CPU), + MLXSW_SP_RXL_EXCEPTION(IPIP_DECAP_ERROR, ROUTER_EXP, + TRAP_EXCEPTION_TO_CPU), + MLXSW_SP_RXL_EXCEPTION(DISCARD_DEC_PKT, TUNNEL_DISCARDS, + TRAP_EXCEPTION_TO_CPU), }; /* Mapping between hardware trap and devlink trap. Multiple hardware traps can @@ -152,6 +158,9 @@ static u16 mlxsw_sp_listener_devlink_map[] = { DEVLINK_MLXSW_TRAP_ID_IRIF_DISABLED, DEVLINK_MLXSW_TRAP_ID_ERIF_DISABLED, DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, + DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, + DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, + DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, }; static int mlxsw_sp_rx_listener(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb, @@ -334,7 +343,8 @@ mlxsw_sp_trap_group_policer_init(struct mlxsw_sp *mlxsw_sp, switch (group->id) { case DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS: /* fall through */ - case DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS: + case DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS: /* fall through */ + case DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS: policer_id = MLXSW_SP_DISCARD_POLICER_ID; ir_units = MLXSW_REG_QPCR_IR_UNITS_M; is_bytes = false; @@ -371,6 +381,12 @@ __mlxsw_sp_trap_group_init(struct mlxsw_sp *mlxsw_sp, priority = 0; tc = 1; break; + case DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS: + group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_TUNNEL_DISCARDS; + policer_id = MLXSW_SP_DISCARD_POLICER_ID; + priority = 0; + tc = 1; + break; default: return -EINVAL; } diff --git a/drivers/net/ethernet/mellanox/mlxsw/trap.h b/drivers/net/ethernet/mellanox/mlxsw/trap.h index 7d07ec8d440b..24f92b157dfb 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/trap.h +++ b/drivers/net/ethernet/mellanox/mlxsw/trap.h @@ -93,6 +93,7 @@ enum { MLXSW_TRAP_ID_DISCARD_ROUTER_ERIF_EN = 0x179, MLXSW_TRAP_ID_DISCARD_ROUTER_LPM4 = 0x17B, MLXSW_TRAP_ID_DISCARD_ROUTER_LPM6 = 0x17C, + MLXSW_TRAP_ID_DISCARD_DEC_PKT = 0x188, MLXSW_TRAP_ID_DISCARD_IPV6_MC_DIP_RESERVED_SCOPE = 0x1B0, MLXSW_TRAP_ID_DISCARD_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE = 0x1B1, MLXSW_TRAP_ID_ACL0 = 0x1C0, |