diff options
| author |   Jiri Pirko <jiri@mellanox.com> | 2020-02-25 11:45:25 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-02-25 11:05:55 -0800 |
| commit | 6de9fceeaa654a5470627817f7800aa849dd4489 (patch) | |
| tree | ce7d218b20c02ef32df7e14abb975bd855c74732 /drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c | |
| parent | mlxsw: pci: Extract cookie index for ACL discard trap packets (diff) | |
| download | wireguard-linux-6de9fceeaa654a5470627817f7800aa849dd4489.tar.xz wireguard-linux-6de9fceeaa654a5470627817f7800aa849dd4489.zip | |
mlxsw: spectrum_trap: Lookup and pass cookie down to devlink_trap_report()
Use the cookie index received along with the packet to lookup original
flow_offload cookie binary and pass it down to devlink_trap_report().
Add "fa_cookie" metadata to the ACL trap.
Signed-off-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/ethernet/mellanox/mlxsw/spectrum_trap.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c | 42 |
1 files changed, 39 insertions, 3 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c index a55577a50e90..9c300d625e04 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c @@ -75,6 +75,35 @@ static void mlxsw_sp_rx_drop_listener(struct sk_buff *skb, u8 local_port, consume_skb(skb); } +static void mlxsw_sp_rx_acl_drop_listener(struct sk_buff *skb, u8 local_port, + void *trap_ctx) +{ + u32 cookie_index = mlxsw_skb_cb(skb)->cookie_index; + const struct flow_action_cookie *fa_cookie; + struct devlink_port *in_devlink_port; + struct mlxsw_sp_port *mlxsw_sp_port; + struct mlxsw_sp *mlxsw_sp; + struct devlink *devlink; + int err; + + mlxsw_sp = devlink_trap_ctx_priv(trap_ctx); + mlxsw_sp_port = mlxsw_sp->ports[local_port]; + + err = mlxsw_sp_rx_listener(mlxsw_sp, skb, local_port, mlxsw_sp_port); + if (err) + 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); + rcu_read_lock(); + fa_cookie = mlxsw_sp_acl_act_cookie_lookup(mlxsw_sp, cookie_index); + devlink_trap_report(devlink, skb, trap_ctx, in_devlink_port, fa_cookie); + rcu_read_unlock(); + consume_skb(skb); +} + static void mlxsw_sp_rx_exception_listener(struct sk_buff *skb, u8 local_port, void *trap_ctx) { @@ -106,6 +135,11 @@ 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_DROP_EXT(_id, _group_id, _metadata) \ + DEVLINK_TRAP_GENERIC(DROP, DROP, _id, \ + DEVLINK_TRAP_GROUP_GENERIC(_group_id), \ + MLXSW_SP_TRAP_METADATA | (_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, \ @@ -123,7 +157,7 @@ static void mlxsw_sp_rx_exception_listener(struct sk_buff *skb, u8 local_port, SET_FW_DEFAULT, SP_##_group_id) #define MLXSW_SP_RXL_ACL_DISCARD(_id, _en_group_id, _dis_group_id) \ - MLXSW_RXL_DIS(mlxsw_sp_rx_drop_listener, DISCARD_##_id, \ + MLXSW_RXL_DIS(mlxsw_sp_rx_acl_drop_listener, DISCARD_##_id, \ TRAP_EXCEPTION_TO_CPU, false, SP_##_en_group_id, \ SET_FW_DEFAULT, SP_##_dis_group_id) @@ -160,8 +194,10 @@ static const struct devlink_trap mlxsw_sp_traps_arr[] = { MLXSW_SP_TRAP_DROP(NON_ROUTABLE, L3_DROPS), MLXSW_SP_TRAP_EXCEPTION(DECAP_ERROR, TUNNEL_DROPS), MLXSW_SP_TRAP_DROP(OVERLAY_SMAC_MC, TUNNEL_DROPS), - MLXSW_SP_TRAP_DROP(INGRESS_FLOW_ACTION_DROP, ACL_DROPS), - MLXSW_SP_TRAP_DROP(EGRESS_FLOW_ACTION_DROP, ACL_DROPS), + MLXSW_SP_TRAP_DROP_EXT(INGRESS_FLOW_ACTION_DROP, ACL_DROPS, + DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE), + MLXSW_SP_TRAP_DROP_EXT(EGRESS_FLOW_ACTION_DROP, ACL_DROPS, + DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE), }; static const struct mlxsw_listener mlxsw_sp_listeners_arr[] = { |