diff options
| -rw-r--r-- | Documentation/networking/devlink/devlink-trap.rst | 1 | ||||
| -rw-r--r-- | Documentation/networking/devlink/mlxsw.rst | 22 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c | 26 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/trap.h | 2 |
4 files changed, 51 insertions, 0 deletions
diff --git a/Documentation/networking/devlink/devlink-trap.rst b/Documentation/networking/devlink/devlink-trap.rst index cbaa750de37d..68245ea387ad 100644 --- a/Documentation/networking/devlink/devlink-trap.rst +++ b/Documentation/networking/devlink/devlink-trap.rst @@ -234,6 +234,7 @@ links to the description of driver-specific traps registered by various device drivers: * :doc:`netdevsim` + * :doc:`mlxsw` Generic Packet Trap Groups ========================== diff --git a/Documentation/networking/devlink/mlxsw.rst b/Documentation/networking/devlink/mlxsw.rst index 5f9bb0a0616a..cf857cb4ba8f 100644 --- a/Documentation/networking/devlink/mlxsw.rst +++ b/Documentation/networking/devlink/mlxsw.rst @@ -57,3 +57,25 @@ The ``mlxsw`` driver reports the following versions * - ``fw.version`` - running - Three digit firmware version + +Driver-specific Traps +===================== + +.. list-table:: List of Driver-specific Traps Registered by ``mlxsw`` + :widths: 5 5 90 + + * - Name + - Type + - Description + * - ``irif_disabled`` + - ``drop`` + - Traps packets that the device decided to drop because they need to be + routed from a disabled router interface (RIF). This can happen during + RIF dismantle, when the RIF is first disabled before being removed + completely + * - ``erif_disabled`` + - ``drop`` + - Traps packets that the device decided to drop because they need to be + routed through a disabled router interface (RIF). This can happen during + RIF dismantle, when the RIF is first disabled before being removed + completely diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c index e0d7c49ffae0..42013fe11131 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c @@ -9,6 +9,20 @@ #include "reg.h" #include "spectrum.h" +/* All driver-specific traps must be documented in + * Documentation/networking/devlink/mlxsw.rst + */ +enum { + DEVLINK_MLXSW_TRAP_ID_BASE = DEVLINK_TRAP_GENERIC_ID_MAX, + DEVLINK_MLXSW_TRAP_ID_IRIF_DISABLED, + DEVLINK_MLXSW_TRAP_ID_ERIF_DISABLED, +}; + +#define DEVLINK_MLXSW_TRAP_NAME_IRIF_DISABLED \ + "irif_disabled" +#define DEVLINK_MLXSW_TRAP_NAME_ERIF_DISABLED \ + "erif_disabled" + #define MLXSW_SP_TRAP_METADATA DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT static void mlxsw_sp_rx_drop_listener(struct sk_buff *skb, u8 local_port, @@ -21,6 +35,12 @@ static void mlxsw_sp_rx_exception_listener(struct sk_buff *skb, u8 local_port, DEVLINK_TRAP_GROUP_GENERIC(_group_id), \ MLXSW_SP_TRAP_METADATA) +#define MLXSW_SP_TRAP_DRIVER_DROP(_id, _group_id) \ + DEVLINK_TRAP_DRIVER(DROP, DROP, DEVLINK_MLXSW_TRAP_ID_##_id, \ + DEVLINK_MLXSW_TRAP_NAME_##_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), \ @@ -58,6 +78,8 @@ static struct devlink_trap mlxsw_sp_traps_arr[] = { 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), + MLXSW_SP_TRAP_DRIVER_DROP(IRIF_DISABLED, L3_DROPS), + MLXSW_SP_TRAP_DRIVER_DROP(ERIF_DISABLED, L3_DROPS), }; static struct mlxsw_listener mlxsw_sp_listeners_arr[] = { @@ -90,6 +112,8 @@ static struct mlxsw_listener mlxsw_sp_listeners_arr[] = { TRAP_EXCEPTION_TO_CPU), MLXSW_SP_RXL_EXCEPTION(DISCARD_ROUTER_LPM6, ROUTER_EXP, TRAP_EXCEPTION_TO_CPU), + MLXSW_SP_RXL_DISCARD(ROUTER_IRIF_EN, L3_DISCARDS), + MLXSW_SP_RXL_DISCARD(ROUTER_ERIF_EN, L3_DISCARDS), }; /* Mapping between hardware trap and devlink trap. Multiple hardware traps can @@ -123,6 +147,8 @@ static u16 mlxsw_sp_listener_devlink_map[] = { DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, + DEVLINK_MLXSW_TRAP_ID_IRIF_DISABLED, + DEVLINK_MLXSW_TRAP_ID_ERIF_DISABLED, }; static int mlxsw_sp_rx_listener(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb, diff --git a/drivers/net/ethernet/mellanox/mlxsw/trap.h b/drivers/net/ethernet/mellanox/mlxsw/trap.h index 3d2331be05d8..8573cc3a0010 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/trap.h +++ b/drivers/net/ethernet/mellanox/mlxsw/trap.h @@ -88,6 +88,8 @@ enum { MLXSW_TRAP_ID_DISCARD_ING_ROUTER_IPV4_SIP_BC = 0x16A, MLXSW_TRAP_ID_DISCARD_ING_ROUTER_IPV4_DIP_LOCAL_NET = 0x16B, MLXSW_TRAP_ID_DISCARD_ING_ROUTER_DIP_LINK_LOCAL = 0x16C, + MLXSW_TRAP_ID_DISCARD_ROUTER_IRIF_EN = 0x178, + 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_IPV6_MC_DIP_RESERVED_SCOPE = 0x1B0, |