diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c | 76 |
1 files changed, 21 insertions, 55 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c index d94081c7658e..5b9f0844b8f6 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c @@ -46,7 +46,7 @@ struct mlxsw_sp2_ptp_state { refcount_t ptp_port_enabled_ref; /* Number of ports with time stamping * enabled. */ - struct hwtstamp_config config; + struct kernel_hwtstamp_config config; struct mutex lock; /* Protects 'config' and HW configuration. */ }; @@ -131,7 +131,7 @@ static u64 __mlxsw_sp1_ptp_read_frc(struct mlxsw_sp1_ptp_clock *clock, return (u64) frc_l | (u64) frc_h2 << 32; } -static u64 mlxsw_sp1_ptp_read_frc(const struct cyclecounter *cc) +static u64 mlxsw_sp1_ptp_read_frc(struct cyclecounter *cc) { struct mlxsw_sp1_ptp_clock *clock = container_of(cc, struct mlxsw_sp1_ptp_clock, cycles); @@ -1083,14 +1083,14 @@ void mlxsw_sp1_ptp_fini(struct mlxsw_sp_ptp_state *ptp_state_common) } int mlxsw_sp1_ptp_hwtstamp_get(struct mlxsw_sp_port *mlxsw_sp_port, - struct hwtstamp_config *config) + struct kernel_hwtstamp_config *config) { *config = mlxsw_sp_port->ptp.hwtstamp_config; return 0; } static int -mlxsw_sp1_ptp_get_message_types(const struct hwtstamp_config *config, +mlxsw_sp1_ptp_get_message_types(const struct kernel_hwtstamp_config *config, u16 *p_ing_types, u16 *p_egr_types, enum hwtstamp_rx_filters *p_rx_filter) { @@ -1246,7 +1246,8 @@ void mlxsw_sp1_ptp_shaper_work(struct work_struct *work) } int mlxsw_sp1_ptp_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port, - struct hwtstamp_config *config) + struct kernel_hwtstamp_config *config, + struct netlink_ext_ack *extack) { enum hwtstamp_rx_filters rx_filter; u16 ing_types; @@ -1270,7 +1271,7 @@ int mlxsw_sp1_ptp_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port, if (err) return err; - /* Notify the ioctl caller what we are actually timestamping. */ + /* Notify the caller what we are actually timestamping. */ config->rx_filter = rx_filter; return 0; @@ -1353,6 +1354,10 @@ struct mlxsw_sp_ptp_state *mlxsw_sp2_ptp_init(struct mlxsw_sp *mlxsw_sp) struct mlxsw_sp2_ptp_state *ptp_state; int err; + /* Max FID will be used in data path, check validity as part of init. */ + if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, FID)) + return ERR_PTR(-EIO); + ptp_state = kzalloc(sizeof(*ptp_state), GFP_KERNEL); if (!ptp_state) return ERR_PTR(-ENOMEM); @@ -1447,7 +1452,7 @@ void mlxsw_sp2_ptp_transmitted(struct mlxsw_sp *mlxsw_sp, } int mlxsw_sp2_ptp_hwtstamp_get(struct mlxsw_sp_port *mlxsw_sp_port, - struct hwtstamp_config *config) + struct kernel_hwtstamp_config *config) { struct mlxsw_sp2_ptp_state *ptp_state; @@ -1461,7 +1466,7 @@ int mlxsw_sp2_ptp_hwtstamp_get(struct mlxsw_sp_port *mlxsw_sp_port, } static int -mlxsw_sp2_ptp_get_message_types(const struct hwtstamp_config *config, +mlxsw_sp2_ptp_get_message_types(const struct kernel_hwtstamp_config *config, u16 *p_ing_types, u16 *p_egr_types, enum hwtstamp_rx_filters *p_rx_filter) { @@ -1538,7 +1543,7 @@ static int mlxsw_sp2_ptp_mtpcpc_set(struct mlxsw_sp *mlxsw_sp, bool ptp_trap_en, static int mlxsw_sp2_ptp_enable(struct mlxsw_sp *mlxsw_sp, u16 ing_types, u16 egr_types, - struct hwtstamp_config new_config) + struct kernel_hwtstamp_config new_config) { struct mlxsw_sp2_ptp_state *ptp_state = mlxsw_sp2_ptp_state(mlxsw_sp); int err; @@ -1552,7 +1557,7 @@ static int mlxsw_sp2_ptp_enable(struct mlxsw_sp *mlxsw_sp, u16 ing_types, } static int mlxsw_sp2_ptp_disable(struct mlxsw_sp *mlxsw_sp, - struct hwtstamp_config new_config) + struct kernel_hwtstamp_config new_config) { struct mlxsw_sp2_ptp_state *ptp_state = mlxsw_sp2_ptp_state(mlxsw_sp); int err; @@ -1567,7 +1572,7 @@ static int mlxsw_sp2_ptp_disable(struct mlxsw_sp *mlxsw_sp, static int mlxsw_sp2_ptp_configure_port(struct mlxsw_sp_port *mlxsw_sp_port, u16 ing_types, u16 egr_types, - struct hwtstamp_config new_config) + struct kernel_hwtstamp_config new_config) { struct mlxsw_sp2_ptp_state *ptp_state; int err; @@ -1588,7 +1593,7 @@ static int mlxsw_sp2_ptp_configure_port(struct mlxsw_sp_port *mlxsw_sp_port, } static int mlxsw_sp2_ptp_deconfigure_port(struct mlxsw_sp_port *mlxsw_sp_port, - struct hwtstamp_config new_config) + struct kernel_hwtstamp_config new_config) { struct mlxsw_sp2_ptp_state *ptp_state; int err; @@ -1610,11 +1615,12 @@ err_ptp_disable: } int mlxsw_sp2_ptp_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port, - struct hwtstamp_config *config) + struct kernel_hwtstamp_config *config, + struct netlink_ext_ack *extack) { + struct kernel_hwtstamp_config new_config; struct mlxsw_sp2_ptp_state *ptp_state; enum hwtstamp_rx_filters rx_filter; - struct hwtstamp_config new_config; u16 new_ing_types, new_egr_types; bool ptp_enabled; int err; @@ -1648,7 +1654,7 @@ int mlxsw_sp2_ptp_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port, mlxsw_sp_port->ptp.ing_types = new_ing_types; mlxsw_sp_port->ptp.egr_types = new_egr_types; - /* Notify the ioctl caller what we are actually timestamping. */ + /* Notify the caller what we are actually timestamping. */ config->rx_filter = rx_filter; mutex_unlock(&ptp_state->lock); @@ -1679,43 +1685,3 @@ int mlxsw_sp2_ptp_get_ts_info(struct mlxsw_sp *mlxsw_sp, return 0; } - -int mlxsw_sp_ptp_txhdr_construct(struct mlxsw_core *mlxsw_core, - struct mlxsw_sp_port *mlxsw_sp_port, - struct sk_buff *skb, - const struct mlxsw_tx_info *tx_info) -{ - if (skb_cow_head(skb, MLXSW_TXHDR_LEN)) { - this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped); - dev_kfree_skb_any(skb); - return -ENOMEM; - } - - mlxsw_sp_txhdr_construct(skb, tx_info); - return 0; -} - -int mlxsw_sp2_ptp_txhdr_construct(struct mlxsw_core *mlxsw_core, - struct mlxsw_sp_port *mlxsw_sp_port, - struct sk_buff *skb, - const struct mlxsw_tx_info *tx_info) -{ - /* In Spectrum-2 and Spectrum-3, in order for PTP event packets to have - * their correction field correctly set on the egress port they must be - * transmitted as data packets. Such packets ingress the ASIC via the - * CPU port and must have a VLAN tag, as the CPU port is not configured - * with a PVID. Push the default VLAN (4095), which is configured as - * egress untagged on all the ports. - */ - if (!skb_vlan_tagged(skb)) { - skb = vlan_insert_tag_set_proto(skb, htons(ETH_P_8021Q), - MLXSW_SP_DEFAULT_VID); - if (!skb) { - this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped); - return -ENOMEM; - } - } - - return mlxsw_sp_txhdr_ptp_data_construct(mlxsw_core, mlxsw_sp_port, skb, - tx_info); -} |