diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 82 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum.h | 12 |
2 files changed, 94 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index 081408e892d5..250c5a24264d 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -2717,6 +2717,22 @@ mlxsw_sp_sample_trigger_params_unset(struct mlxsw_sp *mlxsw_sp, static int mlxsw_sp_netdevice_event(struct notifier_block *unused, unsigned long event, void *ptr); +#define MLXSW_SP_DEFAULT_PARSING_DEPTH 96 +#define MLXSW_SP_INCREASED_PARSING_DEPTH 128 +#define MLXSW_SP_DEFAULT_VXLAN_UDP_DPORT 4789 + +static void mlxsw_sp_parsing_init(struct mlxsw_sp *mlxsw_sp) +{ + mlxsw_sp->parsing.parsing_depth = MLXSW_SP_DEFAULT_PARSING_DEPTH; + mlxsw_sp->parsing.vxlan_udp_dport = MLXSW_SP_DEFAULT_VXLAN_UDP_DPORT; + mutex_init(&mlxsw_sp->parsing.lock); +} + +static void mlxsw_sp_parsing_fini(struct mlxsw_sp *mlxsw_sp) +{ + mutex_destroy(&mlxsw_sp->parsing.lock); +} + static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core, const struct mlxsw_bus_info *mlxsw_bus_info, struct netlink_ext_ack *extack) @@ -2727,6 +2743,7 @@ static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core, mlxsw_sp->core = mlxsw_core; mlxsw_sp->bus_info = mlxsw_bus_info; + mlxsw_sp_parsing_init(mlxsw_sp); mlxsw_core_emad_string_tlv_enable(mlxsw_core); err = mlxsw_sp_base_mac_get(mlxsw_sp); @@ -2926,6 +2943,7 @@ err_policers_init: mlxsw_sp_fids_fini(mlxsw_sp); err_fids_init: mlxsw_sp_kvdl_fini(mlxsw_sp); + mlxsw_sp_parsing_fini(mlxsw_sp); return err; } @@ -3046,6 +3064,7 @@ static void mlxsw_sp_fini(struct mlxsw_core *mlxsw_core) mlxsw_sp_policers_fini(mlxsw_sp); mlxsw_sp_fids_fini(mlxsw_sp); mlxsw_sp_kvdl_fini(mlxsw_sp); + mlxsw_sp_parsing_fini(mlxsw_sp); } /* Per-FID flood tables are used for both "true" 802.1D FIDs and emulated @@ -3611,6 +3630,69 @@ void mlxsw_sp_port_dev_put(struct mlxsw_sp_port *mlxsw_sp_port) dev_put(mlxsw_sp_port->dev); } +int mlxsw_sp_parsing_depth_inc(struct mlxsw_sp *mlxsw_sp) +{ + char mprs_pl[MLXSW_REG_MPRS_LEN]; + int err = 0; + + mutex_lock(&mlxsw_sp->parsing.lock); + + if (refcount_inc_not_zero(&mlxsw_sp->parsing.parsing_depth_ref)) + goto out_unlock; + + mlxsw_reg_mprs_pack(mprs_pl, MLXSW_SP_INCREASED_PARSING_DEPTH, + mlxsw_sp->parsing.vxlan_udp_dport); + err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mprs), mprs_pl); + if (err) + goto out_unlock; + + mlxsw_sp->parsing.parsing_depth = MLXSW_SP_INCREASED_PARSING_DEPTH; + refcount_set(&mlxsw_sp->parsing.parsing_depth_ref, 1); + +out_unlock: + mutex_unlock(&mlxsw_sp->parsing.lock); + return err; +} + +void mlxsw_sp_parsing_depth_dec(struct mlxsw_sp *mlxsw_sp) +{ + char mprs_pl[MLXSW_REG_MPRS_LEN]; + + mutex_lock(&mlxsw_sp->parsing.lock); + + if (!refcount_dec_and_test(&mlxsw_sp->parsing.parsing_depth_ref)) + goto out_unlock; + + mlxsw_reg_mprs_pack(mprs_pl, MLXSW_SP_DEFAULT_PARSING_DEPTH, + mlxsw_sp->parsing.vxlan_udp_dport); + mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mprs), mprs_pl); + mlxsw_sp->parsing.parsing_depth = MLXSW_SP_DEFAULT_PARSING_DEPTH; + +out_unlock: + mutex_unlock(&mlxsw_sp->parsing.lock); +} + +int mlxsw_sp_parsing_vxlan_udp_dport_set(struct mlxsw_sp *mlxsw_sp, + __be16 udp_dport) +{ + char mprs_pl[MLXSW_REG_MPRS_LEN]; + int err; + + mutex_lock(&mlxsw_sp->parsing.lock); + + mlxsw_reg_mprs_pack(mprs_pl, mlxsw_sp->parsing.parsing_depth, + be16_to_cpu(udp_dport)); + err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mprs), mprs_pl); + if (err) + goto out_unlock; + + mlxsw_sp->parsing.vxlan_udp_dport = be16_to_cpu(udp_dport); + +out_unlock: + mutex_unlock(&mlxsw_sp->parsing.lock); + return err; +} + static void mlxsw_sp_port_lag_uppers_cleanup(struct mlxsw_sp_port *mlxsw_sp_port, struct net_device *lag_dev) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h index f99db88ee884..3a43cba6d23c 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h @@ -148,6 +148,13 @@ struct mlxsw_sp_port_mapping { u8 lane; }; +struct mlxsw_sp_parsing { + refcount_t parsing_depth_ref; + u16 parsing_depth; + u16 vxlan_udp_dport; + struct mutex lock; /* Protects parsing configuration */ +}; + struct mlxsw_sp { struct mlxsw_sp_port **ports; struct mlxsw_core *core; @@ -173,6 +180,7 @@ struct mlxsw_sp { struct mlxsw_sp_counter_pool *counter_pool; struct mlxsw_sp_span *span; struct mlxsw_sp_trap *trap; + struct mlxsw_sp_parsing parsing; const struct mlxsw_sp_switchdev_ops *switchdev_ops; const struct mlxsw_sp_kvdl_ops *kvdl_ops; const struct mlxsw_afa_ops *afa_ops; @@ -652,6 +660,10 @@ struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find(struct net_device *dev); struct mlxsw_sp_port *mlxsw_sp_port_lower_dev_hold(struct net_device *dev); void mlxsw_sp_port_dev_put(struct mlxsw_sp_port *mlxsw_sp_port); struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find_rcu(struct net_device *dev); +int mlxsw_sp_parsing_depth_inc(struct mlxsw_sp *mlxsw_sp); +void mlxsw_sp_parsing_depth_dec(struct mlxsw_sp *mlxsw_sp); +int mlxsw_sp_parsing_vxlan_udp_dport_set(struct mlxsw_sp *mlxsw_sp, + __be16 udp_dport); /* spectrum_dcb.c */ #ifdef CONFIG_MLXSW_SPECTRUM_DCB |