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Sun, 7 Jun 2020 15:00:10 +0000 From: Amit Cohen To: netdev@vger.kernel.org Cc: davem@davemloft.net, kuba@kernel.org, corbet@lwn.net, jiri@mellanox.com, idosch@mellanox.com, shuah@kernel.org, mkubecek@suse.cz, gustavo@embeddedor.com, amitc@mellanox.com, cforno12@linux.vnet.ibm.com, andrew@lunn.ch, f.fainelli@gmail.com, linux@rempel-privat.de, alexandru.ardelean@analog.com, ayal@mellanox.com, petrm@mellanox.com, mlxsw@mellanox.com, liuhangbin@gmail.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [RFC PATCH net-next 02/10] mlxsw: Move ethtool_ops to spectrum_ethtool.c Date: Sun, 7 Jun 2020 17:59:37 +0300 Message-Id: <20200607145945.30559-3-amitc@mellanox.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200607145945.30559-1-amitc@mellanox.com> References: <20200607145945.30559-1-amitc@mellanox.com> X-ClientProxiedBy: AM0PR10CA0015.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:17c::25) To AM0PR0502MB3826.eurprd05.prod.outlook.com (2603:10a6:208:1b::25) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from dev-r-vrt-155.mtr.labs.mlnx (37.142.13.130) by AM0PR10CA0015.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:17c::25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3066.18 via Frontend Transport; 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Move ethtool_ops and the relevant code from spectrum.c to spectrum_ethtool.c. Signed-off-by: Amit Cohen Reviewed-by: Petr Machata Reviewed-by: Jiri Pirko --- drivers/net/ethernet/mellanox/mlxsw/Makefile | 3 +- .../net/ethernet/mellanox/mlxsw/spectrum.c | 880 +----------------- .../net/ethernet/mellanox/mlxsw/spectrum.h | 43 + .../mellanox/mlxsw/spectrum_ethtool.c | 841 +++++++++++++++++ 4 files changed, 892 insertions(+), 875 deletions(-) create mode 100644 drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c diff --git a/drivers/net/ethernet/mellanox/mlxsw/Makefile b/drivers/net/ethernet/mellanox/mlxsw/Makefile index 4aeabb35c943..3709983fbd77 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/Makefile +++ b/drivers/net/ethernet/mellanox/mlxsw/Makefile @@ -30,7 +30,8 @@ mlxsw_spectrum-objs := spectrum.o spectrum_buffers.o \ spectrum_mr_tcam.o spectrum_mr.o \ spectrum_qdisc.o spectrum_span.o \ spectrum_nve.o spectrum_nve_vxlan.o \ - spectrum_dpipe.o spectrum_trap.o + spectrum_dpipe.o spectrum_trap.o \ + spectrum_ethtool.o mlxsw_spectrum-$(CONFIG_MLXSW_SPECTRUM_DCB) += spectrum_dcb.o mlxsw_spectrum-$(CONFIG_PTP_1588_CLOCK) += spectrum_ptp.o obj-$(CONFIG_MLXSW_MINIMAL) += mlxsw_minimal.o diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index 5ffa32b75e5f..e46cf355e081 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -79,7 +79,6 @@ static const struct mlxsw_fw_rev mlxsw_sp2_fw_rev = { static const char mlxsw_sp1_driver_name[] = "mlxsw_spectrum"; static const char mlxsw_sp2_driver_name[] = "mlxsw_spectrum2"; static const char mlxsw_sp3_driver_name[] = "mlxsw_spectrum3"; -static const char mlxsw_sp_driver_version[] = "1.0"; static const unsigned char mlxsw_sp1_mac_mask[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00 @@ -161,39 +160,6 @@ struct mlxsw_sp_mlxfw_dev { struct mlxsw_sp *mlxsw_sp; }; -struct mlxsw_sp_ptp_ops { - struct mlxsw_sp_ptp_clock * - (*clock_init)(struct mlxsw_sp *mlxsw_sp, struct device *dev); - void (*clock_fini)(struct mlxsw_sp_ptp_clock *clock); - - struct mlxsw_sp_ptp_state *(*init)(struct mlxsw_sp *mlxsw_sp); - void (*fini)(struct mlxsw_sp_ptp_state *ptp_state); - - /* Notify a driver that a packet that might be PTP was received. Driver - * is responsible for freeing the passed-in SKB. - */ - void (*receive)(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb, - u8 local_port); - - /* Notify a driver that a timestamped packet was transmitted. Driver - * is responsible for freeing the passed-in SKB. - */ - void (*transmitted)(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb, - u8 local_port); - - int (*hwtstamp_get)(struct mlxsw_sp_port *mlxsw_sp_port, - struct hwtstamp_config *config); - int (*hwtstamp_set)(struct mlxsw_sp_port *mlxsw_sp_port, - struct hwtstamp_config *config); - void (*shaper_work)(struct work_struct *work); - int (*get_ts_info)(struct mlxsw_sp *mlxsw_sp, - struct ethtool_ts_info *info); - int (*get_stats_count)(void); - void (*get_stats_strings)(u8 **p); - void (*get_stats)(struct mlxsw_sp_port *mlxsw_sp_port, - u64 *data, int data_index); -}; - struct mlxsw_sp_span_ops { u32 (*buffsize_get)(int mtu, u32 speed); }; @@ -580,8 +546,8 @@ static int mlxsw_sp_base_mac_get(struct mlxsw_sp *mlxsw_sp) return 0; } -static int mlxsw_sp_port_admin_status_set(struct mlxsw_sp_port *mlxsw_sp_port, - bool is_up) +int mlxsw_sp_port_admin_status_set(struct mlxsw_sp_port *mlxsw_sp_port, + bool is_up) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char paos_pl[MLXSW_REG_PAOS_LEN]; @@ -993,8 +959,8 @@ int __mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port, int mtu, return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pbmc), pbmc_pl); } -static int mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port, - int mtu, bool pause_en) +int mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port, + int mtu, bool pause_en) { u8 def_prio_tc[IEEE_8021QAZ_MAX_TCS] = {0}; bool dcb_en = !!mlxsw_sp_port->dcb.ets; @@ -1086,8 +1052,8 @@ static int mlxsw_sp_port_get_offload_stats(int attr_id, const struct net_device return -EINVAL; } -static int mlxsw_sp_port_get_stats_raw(struct net_device *dev, int grp, - int prio, char *ppcnt_pl) +int mlxsw_sp_port_get_stats_raw(struct net_device *dev, int grp, + int prio, char *ppcnt_pl) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; @@ -1545,635 +1511,6 @@ static const struct net_device_ops mlxsw_sp_port_netdev_ops = { .ndo_do_ioctl = mlxsw_sp_port_ioctl, }; -static void mlxsw_sp_port_get_drvinfo(struct net_device *dev, - struct ethtool_drvinfo *drvinfo) -{ - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; - - strlcpy(drvinfo->driver, mlxsw_sp->bus_info->device_kind, - sizeof(drvinfo->driver)); - strlcpy(drvinfo->version, mlxsw_sp_driver_version, - sizeof(drvinfo->version)); - snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), - "%d.%d.%d", - mlxsw_sp->bus_info->fw_rev.major, - mlxsw_sp->bus_info->fw_rev.minor, - mlxsw_sp->bus_info->fw_rev.subminor); - strlcpy(drvinfo->bus_info, mlxsw_sp->bus_info->device_name, - sizeof(drvinfo->bus_info)); -} - -static void mlxsw_sp_port_get_pauseparam(struct net_device *dev, - struct ethtool_pauseparam *pause) -{ - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); - - pause->rx_pause = mlxsw_sp_port->link.rx_pause; - pause->tx_pause = mlxsw_sp_port->link.tx_pause; -} - -static int mlxsw_sp_port_pause_set(struct mlxsw_sp_port *mlxsw_sp_port, - struct ethtool_pauseparam *pause) -{ - char pfcc_pl[MLXSW_REG_PFCC_LEN]; - - mlxsw_reg_pfcc_pack(pfcc_pl, mlxsw_sp_port->local_port); - mlxsw_reg_pfcc_pprx_set(pfcc_pl, pause->rx_pause); - mlxsw_reg_pfcc_pptx_set(pfcc_pl, pause->tx_pause); - - return mlxsw_reg_write(mlxsw_sp_port->mlxsw_sp->core, MLXSW_REG(pfcc), - pfcc_pl); -} - -static int mlxsw_sp_port_set_pauseparam(struct net_device *dev, - struct ethtool_pauseparam *pause) -{ - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); - bool pause_en = pause->tx_pause || pause->rx_pause; - int err; - - if (mlxsw_sp_port->dcb.pfc && mlxsw_sp_port->dcb.pfc->pfc_en) { - netdev_err(dev, "PFC already enabled on port\n"); - return -EINVAL; - } - - if (pause->autoneg) { - netdev_err(dev, "PAUSE frames autonegotiation isn't supported\n"); - return -EINVAL; - } - - err = mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en); - if (err) { - netdev_err(dev, "Failed to configure port's headroom\n"); - return err; - } - - err = mlxsw_sp_port_pause_set(mlxsw_sp_port, pause); - if (err) { - netdev_err(dev, "Failed to set PAUSE parameters\n"); - goto err_port_pause_configure; - } - - mlxsw_sp_port->link.rx_pause = pause->rx_pause; - mlxsw_sp_port->link.tx_pause = pause->tx_pause; - - return 0; - -err_port_pause_configure: - pause_en = mlxsw_sp_port_is_pause_en(mlxsw_sp_port); - mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en); - return err; -} - -struct mlxsw_sp_port_hw_stats { - char str[ETH_GSTRING_LEN]; - u64 (*getter)(const char *payload); - bool cells_bytes; -}; - -static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_stats[] = { - { - .str = "a_frames_transmitted_ok", - .getter = mlxsw_reg_ppcnt_a_frames_transmitted_ok_get, - }, - { - .str = "a_frames_received_ok", - .getter = mlxsw_reg_ppcnt_a_frames_received_ok_get, - }, - { - .str = "a_frame_check_sequence_errors", - .getter = mlxsw_reg_ppcnt_a_frame_check_sequence_errors_get, - }, - { - .str = "a_alignment_errors", - .getter = mlxsw_reg_ppcnt_a_alignment_errors_get, - }, - { - .str = "a_octets_transmitted_ok", - .getter = mlxsw_reg_ppcnt_a_octets_transmitted_ok_get, - }, - { - .str = "a_octets_received_ok", - .getter = mlxsw_reg_ppcnt_a_octets_received_ok_get, - }, - { - .str = "a_multicast_frames_xmitted_ok", - .getter = mlxsw_reg_ppcnt_a_multicast_frames_xmitted_ok_get, - }, - { - .str = "a_broadcast_frames_xmitted_ok", - .getter = mlxsw_reg_ppcnt_a_broadcast_frames_xmitted_ok_get, - }, - { - .str = "a_multicast_frames_received_ok", - .getter = mlxsw_reg_ppcnt_a_multicast_frames_received_ok_get, - }, - { - .str = "a_broadcast_frames_received_ok", - .getter = mlxsw_reg_ppcnt_a_broadcast_frames_received_ok_get, - }, - { - .str = "a_in_range_length_errors", - .getter = mlxsw_reg_ppcnt_a_in_range_length_errors_get, - }, - { - .str = "a_out_of_range_length_field", - .getter = mlxsw_reg_ppcnt_a_out_of_range_length_field_get, - }, - { - .str = "a_frame_too_long_errors", - .getter = mlxsw_reg_ppcnt_a_frame_too_long_errors_get, - }, - { - .str = "a_symbol_error_during_carrier", - .getter = mlxsw_reg_ppcnt_a_symbol_error_during_carrier_get, - }, - { - .str = "a_mac_control_frames_transmitted", - .getter = mlxsw_reg_ppcnt_a_mac_control_frames_transmitted_get, - }, - { - .str = "a_mac_control_frames_received", - .getter = mlxsw_reg_ppcnt_a_mac_control_frames_received_get, - }, - { - .str = "a_unsupported_opcodes_received", - .getter = mlxsw_reg_ppcnt_a_unsupported_opcodes_received_get, - }, - { - .str = "a_pause_mac_ctrl_frames_received", - .getter = mlxsw_reg_ppcnt_a_pause_mac_ctrl_frames_received_get, - }, - { - .str = "a_pause_mac_ctrl_frames_xmitted", - .getter = mlxsw_reg_ppcnt_a_pause_mac_ctrl_frames_transmitted_get, - }, -}; - -#define MLXSW_SP_PORT_HW_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_stats) - -static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_rfc_2863_stats[] = { - { - .str = "if_in_discards", - .getter = mlxsw_reg_ppcnt_if_in_discards_get, - }, - { - .str = "if_out_discards", - .getter = mlxsw_reg_ppcnt_if_out_discards_get, - }, - { - .str = "if_out_errors", - .getter = mlxsw_reg_ppcnt_if_out_errors_get, - }, -}; - -#define MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN \ - ARRAY_SIZE(mlxsw_sp_port_hw_rfc_2863_stats) - -static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_rfc_2819_stats[] = { - { - .str = "ether_stats_undersize_pkts", - .getter = mlxsw_reg_ppcnt_ether_stats_undersize_pkts_get, - }, - { - .str = "ether_stats_oversize_pkts", - .getter = mlxsw_reg_ppcnt_ether_stats_oversize_pkts_get, - }, - { - .str = "ether_stats_fragments", - .getter = mlxsw_reg_ppcnt_ether_stats_fragments_get, - }, - { - .str = "ether_pkts64octets", - .getter = mlxsw_reg_ppcnt_ether_stats_pkts64octets_get, - }, - { - .str = "ether_pkts65to127octets", - .getter = mlxsw_reg_ppcnt_ether_stats_pkts65to127octets_get, - }, - { - .str = "ether_pkts128to255octets", - .getter = mlxsw_reg_ppcnt_ether_stats_pkts128to255octets_get, - }, - { - .str = "ether_pkts256to511octets", - .getter = mlxsw_reg_ppcnt_ether_stats_pkts256to511octets_get, - }, - { - .str = "ether_pkts512to1023octets", - .getter = mlxsw_reg_ppcnt_ether_stats_pkts512to1023octets_get, - }, - { - .str = "ether_pkts1024to1518octets", - .getter = mlxsw_reg_ppcnt_ether_stats_pkts1024to1518octets_get, - }, - { - .str = "ether_pkts1519to2047octets", - .getter = mlxsw_reg_ppcnt_ether_stats_pkts1519to2047octets_get, - }, - { - .str = "ether_pkts2048to4095octets", - .getter = mlxsw_reg_ppcnt_ether_stats_pkts2048to4095octets_get, - }, - { - .str = "ether_pkts4096to8191octets", - .getter = mlxsw_reg_ppcnt_ether_stats_pkts4096to8191octets_get, - }, - { - .str = "ether_pkts8192to10239octets", - .getter = mlxsw_reg_ppcnt_ether_stats_pkts8192to10239octets_get, - }, -}; - -#define MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN \ - ARRAY_SIZE(mlxsw_sp_port_hw_rfc_2819_stats) - -static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_rfc_3635_stats[] = { - { - .str = "dot3stats_fcs_errors", - .getter = mlxsw_reg_ppcnt_dot3stats_fcs_errors_get, - }, - { - .str = "dot3stats_symbol_errors", - .getter = mlxsw_reg_ppcnt_dot3stats_symbol_errors_get, - }, - { - .str = "dot3control_in_unknown_opcodes", - .getter = mlxsw_reg_ppcnt_dot3control_in_unknown_opcodes_get, - }, - { - .str = "dot3in_pause_frames", - .getter = mlxsw_reg_ppcnt_dot3in_pause_frames_get, - }, -}; - -#define MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN \ - ARRAY_SIZE(mlxsw_sp_port_hw_rfc_3635_stats) - -static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_ext_stats[] = { - { - .str = "ecn_marked", - .getter = mlxsw_reg_ppcnt_ecn_marked_get, - }, -}; - -#define MLXSW_SP_PORT_HW_EXT_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_ext_stats) - -static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_discard_stats[] = { - { - .str = "discard_ingress_general", - .getter = mlxsw_reg_ppcnt_ingress_general_get, - }, - { - .str = "discard_ingress_policy_engine", - .getter = mlxsw_reg_ppcnt_ingress_policy_engine_get, - }, - { - .str = "discard_ingress_vlan_membership", - .getter = mlxsw_reg_ppcnt_ingress_vlan_membership_get, - }, - { - .str = "discard_ingress_tag_frame_type", - .getter = mlxsw_reg_ppcnt_ingress_tag_frame_type_get, - }, - { - .str = "discard_egress_vlan_membership", - .getter = mlxsw_reg_ppcnt_egress_vlan_membership_get, - }, - { - .str = "discard_loopback_filter", - .getter = mlxsw_reg_ppcnt_loopback_filter_get, - }, - { - .str = "discard_egress_general", - .getter = mlxsw_reg_ppcnt_egress_general_get, - }, - { - .str = "discard_egress_hoq", - .getter = mlxsw_reg_ppcnt_egress_hoq_get, - }, - { - .str = "discard_egress_policy_engine", - .getter = mlxsw_reg_ppcnt_egress_policy_engine_get, - }, - { - .str = "discard_ingress_tx_link_down", - .getter = mlxsw_reg_ppcnt_ingress_tx_link_down_get, - }, - { - .str = "discard_egress_stp_filter", - .getter = mlxsw_reg_ppcnt_egress_stp_filter_get, - }, - { - .str = "discard_egress_sll", - .getter = mlxsw_reg_ppcnt_egress_sll_get, - }, -}; - -#define MLXSW_SP_PORT_HW_DISCARD_STATS_LEN \ - ARRAY_SIZE(mlxsw_sp_port_hw_discard_stats) - -static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_prio_stats[] = { - { - .str = "rx_octets_prio", - .getter = mlxsw_reg_ppcnt_rx_octets_get, - }, - { - .str = "rx_frames_prio", - .getter = mlxsw_reg_ppcnt_rx_frames_get, - }, - { - .str = "tx_octets_prio", - .getter = mlxsw_reg_ppcnt_tx_octets_get, - }, - { - .str = "tx_frames_prio", - .getter = mlxsw_reg_ppcnt_tx_frames_get, - }, - { - .str = "rx_pause_prio", - .getter = mlxsw_reg_ppcnt_rx_pause_get, - }, - { - .str = "rx_pause_duration_prio", - .getter = mlxsw_reg_ppcnt_rx_pause_duration_get, - }, - { - .str = "tx_pause_prio", - .getter = mlxsw_reg_ppcnt_tx_pause_get, - }, - { - .str = "tx_pause_duration_prio", - .getter = mlxsw_reg_ppcnt_tx_pause_duration_get, - }, -}; - -#define MLXSW_SP_PORT_HW_PRIO_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_prio_stats) - -static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_tc_stats[] = { - { - .str = "tc_transmit_queue_tc", - .getter = mlxsw_reg_ppcnt_tc_transmit_queue_get, - .cells_bytes = true, - }, - { - .str = "tc_no_buffer_discard_uc_tc", - .getter = mlxsw_reg_ppcnt_tc_no_buffer_discard_uc_get, - }, -}; - -#define MLXSW_SP_PORT_HW_TC_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_tc_stats) - -#define MLXSW_SP_PORT_ETHTOOL_STATS_LEN (MLXSW_SP_PORT_HW_STATS_LEN + \ - MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN + \ - MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN + \ - MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN + \ - MLXSW_SP_PORT_HW_EXT_STATS_LEN + \ - MLXSW_SP_PORT_HW_DISCARD_STATS_LEN + \ - (MLXSW_SP_PORT_HW_PRIO_STATS_LEN * \ - IEEE_8021QAZ_MAX_TCS) + \ - (MLXSW_SP_PORT_HW_TC_STATS_LEN * \ - TC_MAX_QUEUE)) - -static void mlxsw_sp_port_get_prio_strings(u8 **p, int prio) -{ - int i; - - for (i = 0; i < MLXSW_SP_PORT_HW_PRIO_STATS_LEN; i++) { - snprintf(*p, ETH_GSTRING_LEN, "%.29s_%.1d", - mlxsw_sp_port_hw_prio_stats[i].str, prio); - *p += ETH_GSTRING_LEN; - } -} - -static void mlxsw_sp_port_get_tc_strings(u8 **p, int tc) -{ - int i; - - for (i = 0; i < MLXSW_SP_PORT_HW_TC_STATS_LEN; i++) { - snprintf(*p, ETH_GSTRING_LEN, "%.29s_%.1d", - mlxsw_sp_port_hw_tc_stats[i].str, tc); - *p += ETH_GSTRING_LEN; - } -} - -static void mlxsw_sp_port_get_strings(struct net_device *dev, - u32 stringset, u8 *data) -{ - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); - u8 *p = data; - int i; - - switch (stringset) { - case ETH_SS_STATS: - for (i = 0; i < MLXSW_SP_PORT_HW_STATS_LEN; i++) { - memcpy(p, mlxsw_sp_port_hw_stats[i].str, - ETH_GSTRING_LEN); - p += ETH_GSTRING_LEN; - } - - for (i = 0; i < MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN; i++) { - memcpy(p, mlxsw_sp_port_hw_rfc_2863_stats[i].str, - ETH_GSTRING_LEN); - p += ETH_GSTRING_LEN; - } - - for (i = 0; i < MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN; i++) { - memcpy(p, mlxsw_sp_port_hw_rfc_2819_stats[i].str, - ETH_GSTRING_LEN); - p += ETH_GSTRING_LEN; - } - - for (i = 0; i < MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN; i++) { - memcpy(p, mlxsw_sp_port_hw_rfc_3635_stats[i].str, - ETH_GSTRING_LEN); - p += ETH_GSTRING_LEN; - } - - for (i = 0; i < MLXSW_SP_PORT_HW_EXT_STATS_LEN; i++) { - memcpy(p, mlxsw_sp_port_hw_ext_stats[i].str, - ETH_GSTRING_LEN); - p += ETH_GSTRING_LEN; - } - - for (i = 0; i < MLXSW_SP_PORT_HW_DISCARD_STATS_LEN; i++) { - memcpy(p, mlxsw_sp_port_hw_discard_stats[i].str, - ETH_GSTRING_LEN); - p += ETH_GSTRING_LEN; - } - - for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) - mlxsw_sp_port_get_prio_strings(&p, i); - - for (i = 0; i < TC_MAX_QUEUE; i++) - mlxsw_sp_port_get_tc_strings(&p, i); - - mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats_strings(&p); - break; - } -} - -static int mlxsw_sp_port_set_phys_id(struct net_device *dev, - enum ethtool_phys_id_state state) -{ - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; - char mlcr_pl[MLXSW_REG_MLCR_LEN]; - bool active; - - switch (state) { - case ETHTOOL_ID_ACTIVE: - active = true; - break; - case ETHTOOL_ID_INACTIVE: - active = false; - break; - default: - return -EOPNOTSUPP; - } - - mlxsw_reg_mlcr_pack(mlcr_pl, mlxsw_sp_port->local_port, active); - return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mlcr), mlcr_pl); -} - -static int -mlxsw_sp_get_hw_stats_by_group(struct mlxsw_sp_port_hw_stats **p_hw_stats, - int *p_len, enum mlxsw_reg_ppcnt_grp grp) -{ - switch (grp) { - case MLXSW_REG_PPCNT_IEEE_8023_CNT: - *p_hw_stats = mlxsw_sp_port_hw_stats; - *p_len = MLXSW_SP_PORT_HW_STATS_LEN; - break; - case MLXSW_REG_PPCNT_RFC_2863_CNT: - *p_hw_stats = mlxsw_sp_port_hw_rfc_2863_stats; - *p_len = MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN; - break; - case MLXSW_REG_PPCNT_RFC_2819_CNT: - *p_hw_stats = mlxsw_sp_port_hw_rfc_2819_stats; - *p_len = MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN; - break; - case MLXSW_REG_PPCNT_RFC_3635_CNT: - *p_hw_stats = mlxsw_sp_port_hw_rfc_3635_stats; - *p_len = MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN; - break; - case MLXSW_REG_PPCNT_EXT_CNT: - *p_hw_stats = mlxsw_sp_port_hw_ext_stats; - *p_len = MLXSW_SP_PORT_HW_EXT_STATS_LEN; - break; - case MLXSW_REG_PPCNT_DISCARD_CNT: - *p_hw_stats = mlxsw_sp_port_hw_discard_stats; - *p_len = MLXSW_SP_PORT_HW_DISCARD_STATS_LEN; - break; - case MLXSW_REG_PPCNT_PRIO_CNT: - *p_hw_stats = mlxsw_sp_port_hw_prio_stats; - *p_len = MLXSW_SP_PORT_HW_PRIO_STATS_LEN; - break; - case MLXSW_REG_PPCNT_TC_CNT: - *p_hw_stats = mlxsw_sp_port_hw_tc_stats; - *p_len = MLXSW_SP_PORT_HW_TC_STATS_LEN; - break; - default: - WARN_ON(1); - return -EOPNOTSUPP; - } - return 0; -} - -static void __mlxsw_sp_port_get_stats(struct net_device *dev, - enum mlxsw_reg_ppcnt_grp grp, int prio, - u64 *data, int data_index) -{ - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; - struct mlxsw_sp_port_hw_stats *hw_stats; - char ppcnt_pl[MLXSW_REG_PPCNT_LEN]; - int i, len; - int err; - - err = mlxsw_sp_get_hw_stats_by_group(&hw_stats, &len, grp); - if (err) - return; - mlxsw_sp_port_get_stats_raw(dev, grp, prio, ppcnt_pl); - for (i = 0; i < len; i++) { - data[data_index + i] = hw_stats[i].getter(ppcnt_pl); - if (!hw_stats[i].cells_bytes) - continue; - data[data_index + i] = mlxsw_sp_cells_bytes(mlxsw_sp, - data[data_index + i]); - } -} - -static void mlxsw_sp_port_get_stats(struct net_device *dev, - struct ethtool_stats *stats, u64 *data) -{ - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); - int i, data_index = 0; - - /* IEEE 802.3 Counters */ - __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_IEEE_8023_CNT, 0, - data, data_index); - data_index = MLXSW_SP_PORT_HW_STATS_LEN; - - /* RFC 2863 Counters */ - __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_RFC_2863_CNT, 0, - data, data_index); - data_index += MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN; - - /* RFC 2819 Counters */ - __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_RFC_2819_CNT, 0, - data, data_index); - data_index += MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN; - - /* RFC 3635 Counters */ - __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_RFC_3635_CNT, 0, - data, data_index); - data_index += MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN; - - /* Extended Counters */ - __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_EXT_CNT, 0, - data, data_index); - data_index += MLXSW_SP_PORT_HW_EXT_STATS_LEN; - - /* Discard Counters */ - __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_DISCARD_CNT, 0, - data, data_index); - data_index += MLXSW_SP_PORT_HW_DISCARD_STATS_LEN; - - /* Per-Priority Counters */ - for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { - __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_PRIO_CNT, i, - data, data_index); - data_index += MLXSW_SP_PORT_HW_PRIO_STATS_LEN; - } - - /* Per-TC Counters */ - for (i = 0; i < TC_MAX_QUEUE; i++) { - __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_TC_CNT, i, - data, data_index); - data_index += MLXSW_SP_PORT_HW_TC_STATS_LEN; - } - - /* PTP counters */ - mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats(mlxsw_sp_port, - data, data_index); - data_index += mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats_count(); -} - -static int mlxsw_sp_port_get_sset_count(struct net_device *dev, int sset) -{ - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); - - switch (sset) { - case ETH_SS_STATS: - return MLXSW_SP_PORT_ETHTOOL_STATS_LEN + - mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats_count(); - default: - return -EOPNOTSUPP; - } -} - struct mlxsw_sp1_port_link_mode { enum ethtool_link_mode_bit_indices mask_ethtool; u32 mask; @@ -2834,211 +2171,6 @@ mlxsw_sp2_port_type_speed_ops = { .reg_ptys_eth_unpack = mlxsw_sp2_reg_ptys_eth_unpack, }; -static void -mlxsw_sp_port_get_link_supported(struct mlxsw_sp *mlxsw_sp, u32 eth_proto_cap, - u8 width, struct ethtool_link_ksettings *cmd) -{ - const struct mlxsw_sp_port_type_speed_ops *ops; - - ops = mlxsw_sp->port_type_speed_ops; - - ethtool_link_ksettings_add_link_mode(cmd, supported, Asym_Pause); - ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg); - ethtool_link_ksettings_add_link_mode(cmd, supported, Pause); - - ops->from_ptys_supported_port(mlxsw_sp, eth_proto_cap, cmd); - ops->from_ptys_link(mlxsw_sp, eth_proto_cap, width, - cmd->link_modes.supported); -} - -static void -mlxsw_sp_port_get_link_advertise(struct mlxsw_sp *mlxsw_sp, - u32 eth_proto_admin, bool autoneg, u8 width, - struct ethtool_link_ksettings *cmd) -{ - const struct mlxsw_sp_port_type_speed_ops *ops; - - ops = mlxsw_sp->port_type_speed_ops; - - if (!autoneg) - return; - - ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg); - ops->from_ptys_link(mlxsw_sp, eth_proto_admin, width, - cmd->link_modes.advertising); -} - -static u8 -mlxsw_sp_port_connector_port(enum mlxsw_reg_ptys_connector_type connector_type) -{ - switch (connector_type) { - case MLXSW_REG_PTYS_CONNECTOR_TYPE_UNKNOWN_OR_NO_CONNECTOR: - return PORT_OTHER; - case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_NONE: - return PORT_NONE; - case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_TP: - return PORT_TP; - case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_AUI: - return PORT_AUI; - case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_BNC: - return PORT_BNC; - case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_MII: - return PORT_MII; - case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_FIBRE: - return PORT_FIBRE; - case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_DA: - return PORT_DA; - case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_OTHER: - return PORT_OTHER; - default: - WARN_ON_ONCE(1); - return PORT_OTHER; - } -} - -static int mlxsw_sp_port_get_link_ksettings(struct net_device *dev, - struct ethtool_link_ksettings *cmd) -{ - u32 eth_proto_cap, eth_proto_admin, eth_proto_oper; - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; - const struct mlxsw_sp_port_type_speed_ops *ops; - char ptys_pl[MLXSW_REG_PTYS_LEN]; - u8 connector_type; - bool autoneg; - int err; - - ops = mlxsw_sp->port_type_speed_ops; - - autoneg = mlxsw_sp_port->link.autoneg; - ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port, - 0, false); - err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); - if (err) - return err; - ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, ð_proto_cap, - ð_proto_admin, ð_proto_oper); - - mlxsw_sp_port_get_link_supported(mlxsw_sp, eth_proto_cap, - mlxsw_sp_port->mapping.width, cmd); - - mlxsw_sp_port_get_link_advertise(mlxsw_sp, eth_proto_admin, autoneg, - mlxsw_sp_port->mapping.width, cmd); - - cmd->base.autoneg = autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE; - connector_type = mlxsw_reg_ptys_connector_type_get(ptys_pl); - cmd->base.port = mlxsw_sp_port_connector_port(connector_type); - ops->from_ptys_speed_duplex(mlxsw_sp, netif_carrier_ok(dev), - eth_proto_oper, cmd); - - return 0; -} - -static int -mlxsw_sp_port_set_link_ksettings(struct net_device *dev, - const struct ethtool_link_ksettings *cmd) -{ - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; - const struct mlxsw_sp_port_type_speed_ops *ops; - char ptys_pl[MLXSW_REG_PTYS_LEN]; - u32 eth_proto_cap, eth_proto_new; - bool autoneg; - int err; - - ops = mlxsw_sp->port_type_speed_ops; - - ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port, - 0, false); - err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); - if (err) - return err; - ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, ð_proto_cap, NULL, NULL); - - autoneg = cmd->base.autoneg == AUTONEG_ENABLE; - eth_proto_new = autoneg ? - ops->to_ptys_advert_link(mlxsw_sp, mlxsw_sp_port->mapping.width, - cmd) : - ops->to_ptys_speed(mlxsw_sp, mlxsw_sp_port->mapping.width, - cmd->base.speed); - - eth_proto_new = eth_proto_new & eth_proto_cap; - if (!eth_proto_new) { - netdev_err(dev, "No supported speed requested\n"); - return -EINVAL; - } - - ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port, - eth_proto_new, autoneg); - err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); - if (err) - return err; - - mlxsw_sp_port->link.autoneg = autoneg; - - if (!netif_running(dev)) - return 0; - - mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false); - mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true); - - return 0; -} - -static int mlxsw_sp_get_module_info(struct net_device *netdev, - struct ethtool_modinfo *modinfo) -{ - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(netdev); - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; - int err; - - err = mlxsw_env_get_module_info(mlxsw_sp->core, - mlxsw_sp_port->mapping.module, - modinfo); - - return err; -} - -static int mlxsw_sp_get_module_eeprom(struct net_device *netdev, - struct ethtool_eeprom *ee, - u8 *data) -{ - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(netdev); - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; - int err; - - err = mlxsw_env_get_module_eeprom(netdev, mlxsw_sp->core, - mlxsw_sp_port->mapping.module, ee, - data); - - return err; -} - -static int -mlxsw_sp_get_ts_info(struct net_device *netdev, struct ethtool_ts_info *info) -{ - struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(netdev); - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; - - return mlxsw_sp->ptp_ops->get_ts_info(mlxsw_sp, info); -} - -static const struct ethtool_ops mlxsw_sp_port_ethtool_ops = { - .get_drvinfo = mlxsw_sp_port_get_drvinfo, - .get_link = ethtool_op_get_link, - .get_pauseparam = mlxsw_sp_port_get_pauseparam, - .set_pauseparam = mlxsw_sp_port_set_pauseparam, - .get_strings = mlxsw_sp_port_get_strings, - .set_phys_id = mlxsw_sp_port_set_phys_id, - .get_ethtool_stats = mlxsw_sp_port_get_stats, - .get_sset_count = mlxsw_sp_port_get_sset_count, - .get_link_ksettings = mlxsw_sp_port_get_link_ksettings, - .set_link_ksettings = mlxsw_sp_port_set_link_ksettings, - .get_module_info = mlxsw_sp_get_module_info, - .get_module_eeprom = mlxsw_sp_get_module_eeprom, - .get_ts_info = mlxsw_sp_get_ts_info, -}; - static int mlxsw_sp_port_speed_by_width_set(struct mlxsw_sp_port *mlxsw_sp_port) { diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h index 6f96ca50c9ba..1c2b1284a467 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h @@ -176,6 +176,39 @@ struct mlxsw_sp { u32 lowest_shaper_bs; }; +struct mlxsw_sp_ptp_ops { + struct mlxsw_sp_ptp_clock * + (*clock_init)(struct mlxsw_sp *mlxsw_sp, struct device *dev); + void (*clock_fini)(struct mlxsw_sp_ptp_clock *clock); + + struct mlxsw_sp_ptp_state *(*init)(struct mlxsw_sp *mlxsw_sp); + void (*fini)(struct mlxsw_sp_ptp_state *ptp_state); + + /* Notify a driver that a packet that might be PTP was received. Driver + * is responsible for freeing the passed-in SKB. + */ + void (*receive)(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb, + u8 local_port); + + /* Notify a driver that a timestamped packet was transmitted. Driver + * is responsible for freeing the passed-in SKB. + */ + void (*transmitted)(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb, + u8 local_port); + + int (*hwtstamp_get)(struct mlxsw_sp_port *mlxsw_sp_port, + struct hwtstamp_config *config); + int (*hwtstamp_set)(struct mlxsw_sp_port *mlxsw_sp_port, + struct hwtstamp_config *config); + void (*shaper_work)(struct work_struct *work); + int (*get_ts_info)(struct mlxsw_sp *mlxsw_sp, + struct ethtool_ts_info *info); + int (*get_stats_count)(void); + void (*get_stats_strings)(u8 **p); + void (*get_stats)(struct mlxsw_sp_port *mlxsw_sp_port, + u64 *data, int data_index); +}; + static inline struct mlxsw_sp_upper * mlxsw_sp_lag_get(struct mlxsw_sp *mlxsw_sp, u16 lag_id) { @@ -380,6 +413,13 @@ enum mlxsw_sp_flood_type { MLXSW_SP_FLOOD_TYPE_MC, }; +int mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port, + int mtu, bool pause_en); +int mlxsw_sp_port_get_stats_raw(struct net_device *dev, int grp, + int prio, char *ppcnt_pl); +int mlxsw_sp_port_admin_status_set(struct mlxsw_sp_port *mlxsw_sp_port, + bool is_up); + /* spectrum_buffers.c */ int mlxsw_sp_buffers_init(struct mlxsw_sp *mlxsw_sp); void mlxsw_sp_buffers_fini(struct mlxsw_sp *mlxsw_sp); @@ -1102,4 +1142,7 @@ static inline struct net *mlxsw_sp_net(struct mlxsw_sp *mlxsw_sp) return mlxsw_core_net(mlxsw_sp->core); } +/* spectrum_ethtool.c */ +extern const struct ethtool_ops mlxsw_sp_port_ethtool_ops; + #endif diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c new file mode 100644 index 000000000000..7c03c749b563 --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c @@ -0,0 +1,841 @@ +// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 +/* Copyright (c) 2020 Mellanox Technologies. All rights reserved */ + +#include "reg.h" +#include "spectrum.h" +#include "core_env.h" + +static const char mlxsw_sp_driver_version[] = "1.0"; + +static void mlxsw_sp_port_get_drvinfo(struct net_device *dev, + struct ethtool_drvinfo *drvinfo) +{ + struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + + strlcpy(drvinfo->driver, mlxsw_sp->bus_info->device_kind, + sizeof(drvinfo->driver)); + strlcpy(drvinfo->version, mlxsw_sp_driver_version, + sizeof(drvinfo->version)); + snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), + "%d.%d.%d", + mlxsw_sp->bus_info->fw_rev.major, + mlxsw_sp->bus_info->fw_rev.minor, + mlxsw_sp->bus_info->fw_rev.subminor); + strlcpy(drvinfo->bus_info, mlxsw_sp->bus_info->device_name, + sizeof(drvinfo->bus_info)); +} + +static void mlxsw_sp_port_get_pauseparam(struct net_device *dev, + struct ethtool_pauseparam *pause) +{ + struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); + + pause->rx_pause = mlxsw_sp_port->link.rx_pause; + pause->tx_pause = mlxsw_sp_port->link.tx_pause; +} + +static int mlxsw_sp_port_pause_set(struct mlxsw_sp_port *mlxsw_sp_port, + struct ethtool_pauseparam *pause) +{ + char pfcc_pl[MLXSW_REG_PFCC_LEN]; + + mlxsw_reg_pfcc_pack(pfcc_pl, mlxsw_sp_port->local_port); + mlxsw_reg_pfcc_pprx_set(pfcc_pl, pause->rx_pause); + mlxsw_reg_pfcc_pptx_set(pfcc_pl, pause->tx_pause); + + return mlxsw_reg_write(mlxsw_sp_port->mlxsw_sp->core, MLXSW_REG(pfcc), + pfcc_pl); +} + +static int mlxsw_sp_port_set_pauseparam(struct net_device *dev, + struct ethtool_pauseparam *pause) +{ + struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); + bool pause_en = pause->tx_pause || pause->rx_pause; + int err; + + if (mlxsw_sp_port->dcb.pfc && mlxsw_sp_port->dcb.pfc->pfc_en) { + netdev_err(dev, "PFC already enabled on port\n"); + return -EINVAL; + } + + if (pause->autoneg) { + netdev_err(dev, "PAUSE frames autonegotiation isn't supported\n"); + return -EINVAL; + } + + err = mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en); + if (err) { + netdev_err(dev, "Failed to configure port's headroom\n"); + return err; + } + + err = mlxsw_sp_port_pause_set(mlxsw_sp_port, pause); + if (err) { + netdev_err(dev, "Failed to set PAUSE parameters\n"); + goto err_port_pause_configure; + } + + mlxsw_sp_port->link.rx_pause = pause->rx_pause; + mlxsw_sp_port->link.tx_pause = pause->tx_pause; + + return 0; + +err_port_pause_configure: + pause_en = mlxsw_sp_port_is_pause_en(mlxsw_sp_port); + mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en); + return err; +} + +struct mlxsw_sp_port_hw_stats { + char str[ETH_GSTRING_LEN]; + u64 (*getter)(const char *payload); + bool cells_bytes; +}; + +static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_stats[] = { + { + .str = "a_frames_transmitted_ok", + .getter = mlxsw_reg_ppcnt_a_frames_transmitted_ok_get, + }, + { + .str = "a_frames_received_ok", + .getter = mlxsw_reg_ppcnt_a_frames_received_ok_get, + }, + { + .str = "a_frame_check_sequence_errors", + .getter = mlxsw_reg_ppcnt_a_frame_check_sequence_errors_get, + }, + { + .str = "a_alignment_errors", + .getter = mlxsw_reg_ppcnt_a_alignment_errors_get, + }, + { + .str = "a_octets_transmitted_ok", + .getter = mlxsw_reg_ppcnt_a_octets_transmitted_ok_get, + }, + { + .str = "a_octets_received_ok", + .getter = mlxsw_reg_ppcnt_a_octets_received_ok_get, + }, + { + .str = "a_multicast_frames_xmitted_ok", + .getter = mlxsw_reg_ppcnt_a_multicast_frames_xmitted_ok_get, + }, + { + .str = "a_broadcast_frames_xmitted_ok", + .getter = mlxsw_reg_ppcnt_a_broadcast_frames_xmitted_ok_get, + }, + { + .str = "a_multicast_frames_received_ok", + .getter = mlxsw_reg_ppcnt_a_multicast_frames_received_ok_get, + }, + { + .str = "a_broadcast_frames_received_ok", + .getter = mlxsw_reg_ppcnt_a_broadcast_frames_received_ok_get, + }, + { + .str = "a_in_range_length_errors", + .getter = mlxsw_reg_ppcnt_a_in_range_length_errors_get, + }, + { + .str = "a_out_of_range_length_field", + .getter = mlxsw_reg_ppcnt_a_out_of_range_length_field_get, + }, + { + .str = "a_frame_too_long_errors", + .getter = mlxsw_reg_ppcnt_a_frame_too_long_errors_get, + }, + { + .str = "a_symbol_error_during_carrier", + .getter = mlxsw_reg_ppcnt_a_symbol_error_during_carrier_get, + }, + { + .str = "a_mac_control_frames_transmitted", + .getter = mlxsw_reg_ppcnt_a_mac_control_frames_transmitted_get, + }, + { + .str = "a_mac_control_frames_received", + .getter = mlxsw_reg_ppcnt_a_mac_control_frames_received_get, + }, + { + .str = "a_unsupported_opcodes_received", + .getter = mlxsw_reg_ppcnt_a_unsupported_opcodes_received_get, + }, + { + .str = "a_pause_mac_ctrl_frames_received", + .getter = mlxsw_reg_ppcnt_a_pause_mac_ctrl_frames_received_get, + }, + { + .str = "a_pause_mac_ctrl_frames_xmitted", + .getter = mlxsw_reg_ppcnt_a_pause_mac_ctrl_frames_transmitted_get, + }, +}; + +#define MLXSW_SP_PORT_HW_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_stats) + +static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_rfc_2863_stats[] = { + { + .str = "if_in_discards", + .getter = mlxsw_reg_ppcnt_if_in_discards_get, + }, + { + .str = "if_out_discards", + .getter = mlxsw_reg_ppcnt_if_out_discards_get, + }, + { + .str = "if_out_errors", + .getter = mlxsw_reg_ppcnt_if_out_errors_get, + }, +}; + +#define MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN \ + ARRAY_SIZE(mlxsw_sp_port_hw_rfc_2863_stats) + +static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_rfc_2819_stats[] = { + { + .str = "ether_stats_undersize_pkts", + .getter = mlxsw_reg_ppcnt_ether_stats_undersize_pkts_get, + }, + { + .str = "ether_stats_oversize_pkts", + .getter = mlxsw_reg_ppcnt_ether_stats_oversize_pkts_get, + }, + { + .str = "ether_stats_fragments", + .getter = mlxsw_reg_ppcnt_ether_stats_fragments_get, + }, + { + .str = "ether_pkts64octets", + .getter = mlxsw_reg_ppcnt_ether_stats_pkts64octets_get, + }, + { + .str = "ether_pkts65to127octets", + .getter = mlxsw_reg_ppcnt_ether_stats_pkts65to127octets_get, + }, + { + .str = "ether_pkts128to255octets", + .getter = mlxsw_reg_ppcnt_ether_stats_pkts128to255octets_get, + }, + { + .str = "ether_pkts256to511octets", + .getter = mlxsw_reg_ppcnt_ether_stats_pkts256to511octets_get, + }, + { + .str = "ether_pkts512to1023octets", + .getter = mlxsw_reg_ppcnt_ether_stats_pkts512to1023octets_get, + }, + { + .str = "ether_pkts1024to1518octets", + .getter = mlxsw_reg_ppcnt_ether_stats_pkts1024to1518octets_get, + }, + { + .str = "ether_pkts1519to2047octets", + .getter = mlxsw_reg_ppcnt_ether_stats_pkts1519to2047octets_get, + }, + { + .str = "ether_pkts2048to4095octets", + .getter = mlxsw_reg_ppcnt_ether_stats_pkts2048to4095octets_get, + }, + { + .str = "ether_pkts4096to8191octets", + .getter = mlxsw_reg_ppcnt_ether_stats_pkts4096to8191octets_get, + }, + { + .str = "ether_pkts8192to10239octets", + .getter = mlxsw_reg_ppcnt_ether_stats_pkts8192to10239octets_get, + }, +}; + +#define MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN \ + ARRAY_SIZE(mlxsw_sp_port_hw_rfc_2819_stats) + +static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_rfc_3635_stats[] = { + { + .str = "dot3stats_fcs_errors", + .getter = mlxsw_reg_ppcnt_dot3stats_fcs_errors_get, + }, + { + .str = "dot3stats_symbol_errors", + .getter = mlxsw_reg_ppcnt_dot3stats_symbol_errors_get, + }, + { + .str = "dot3control_in_unknown_opcodes", + .getter = mlxsw_reg_ppcnt_dot3control_in_unknown_opcodes_get, + }, + { + .str = "dot3in_pause_frames", + .getter = mlxsw_reg_ppcnt_dot3in_pause_frames_get, + }, +}; + +#define MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN \ + ARRAY_SIZE(mlxsw_sp_port_hw_rfc_3635_stats) + +static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_ext_stats[] = { + { + .str = "ecn_marked", + .getter = mlxsw_reg_ppcnt_ecn_marked_get, + }, +}; + +#define MLXSW_SP_PORT_HW_EXT_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_ext_stats) + +static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_discard_stats[] = { + { + .str = "discard_ingress_general", + .getter = mlxsw_reg_ppcnt_ingress_general_get, + }, + { + .str = "discard_ingress_policy_engine", + .getter = mlxsw_reg_ppcnt_ingress_policy_engine_get, + }, + { + .str = "discard_ingress_vlan_membership", + .getter = mlxsw_reg_ppcnt_ingress_vlan_membership_get, + }, + { + .str = "discard_ingress_tag_frame_type", + .getter = mlxsw_reg_ppcnt_ingress_tag_frame_type_get, + }, + { + .str = "discard_egress_vlan_membership", + .getter = mlxsw_reg_ppcnt_egress_vlan_membership_get, + }, + { + .str = "discard_loopback_filter", + .getter = mlxsw_reg_ppcnt_loopback_filter_get, + }, + { + .str = "discard_egress_general", + .getter = mlxsw_reg_ppcnt_egress_general_get, + }, + { + .str = "discard_egress_hoq", + .getter = mlxsw_reg_ppcnt_egress_hoq_get, + }, + { + .str = "discard_egress_policy_engine", + .getter = mlxsw_reg_ppcnt_egress_policy_engine_get, + }, + { + .str = "discard_ingress_tx_link_down", + .getter = mlxsw_reg_ppcnt_ingress_tx_link_down_get, + }, + { + .str = "discard_egress_stp_filter", + .getter = mlxsw_reg_ppcnt_egress_stp_filter_get, + }, + { + .str = "discard_egress_sll", + .getter = mlxsw_reg_ppcnt_egress_sll_get, + }, +}; + +#define MLXSW_SP_PORT_HW_DISCARD_STATS_LEN \ + ARRAY_SIZE(mlxsw_sp_port_hw_discard_stats) + +static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_prio_stats[] = { + { + .str = "rx_octets_prio", + .getter = mlxsw_reg_ppcnt_rx_octets_get, + }, + { + .str = "rx_frames_prio", + .getter = mlxsw_reg_ppcnt_rx_frames_get, + }, + { + .str = "tx_octets_prio", + .getter = mlxsw_reg_ppcnt_tx_octets_get, + }, + { + .str = "tx_frames_prio", + .getter = mlxsw_reg_ppcnt_tx_frames_get, + }, + { + .str = "rx_pause_prio", + .getter = mlxsw_reg_ppcnt_rx_pause_get, + }, + { + .str = "rx_pause_duration_prio", + .getter = mlxsw_reg_ppcnt_rx_pause_duration_get, + }, + { + .str = "tx_pause_prio", + .getter = mlxsw_reg_ppcnt_tx_pause_get, + }, + { + .str = "tx_pause_duration_prio", + .getter = mlxsw_reg_ppcnt_tx_pause_duration_get, + }, +}; + +#define MLXSW_SP_PORT_HW_PRIO_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_prio_stats) + +static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_tc_stats[] = { + { + .str = "tc_transmit_queue_tc", + .getter = mlxsw_reg_ppcnt_tc_transmit_queue_get, + .cells_bytes = true, + }, + { + .str = "tc_no_buffer_discard_uc_tc", + .getter = mlxsw_reg_ppcnt_tc_no_buffer_discard_uc_get, + }, +}; + +#define MLXSW_SP_PORT_HW_TC_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_tc_stats) + +#define MLXSW_SP_PORT_ETHTOOL_STATS_LEN (MLXSW_SP_PORT_HW_STATS_LEN + \ + MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN + \ + MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN + \ + MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN + \ + MLXSW_SP_PORT_HW_EXT_STATS_LEN + \ + MLXSW_SP_PORT_HW_DISCARD_STATS_LEN + \ + (MLXSW_SP_PORT_HW_PRIO_STATS_LEN * \ + IEEE_8021QAZ_MAX_TCS) + \ + (MLXSW_SP_PORT_HW_TC_STATS_LEN * \ + TC_MAX_QUEUE)) + +static void mlxsw_sp_port_get_prio_strings(u8 **p, int prio) +{ + int i; + + for (i = 0; i < MLXSW_SP_PORT_HW_PRIO_STATS_LEN; i++) { + snprintf(*p, ETH_GSTRING_LEN, "%.29s_%.1d", + mlxsw_sp_port_hw_prio_stats[i].str, prio); + *p += ETH_GSTRING_LEN; + } +} + +static void mlxsw_sp_port_get_tc_strings(u8 **p, int tc) +{ + int i; + + for (i = 0; i < MLXSW_SP_PORT_HW_TC_STATS_LEN; i++) { + snprintf(*p, ETH_GSTRING_LEN, "%.29s_%.1d", + mlxsw_sp_port_hw_tc_stats[i].str, tc); + *p += ETH_GSTRING_LEN; + } +} + +static void mlxsw_sp_port_get_strings(struct net_device *dev, + u32 stringset, u8 *data) +{ + struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); + u8 *p = data; + int i; + + switch (stringset) { + case ETH_SS_STATS: + for (i = 0; i < MLXSW_SP_PORT_HW_STATS_LEN; i++) { + memcpy(p, mlxsw_sp_port_hw_stats[i].str, + ETH_GSTRING_LEN); + p += ETH_GSTRING_LEN; + } + + for (i = 0; i < MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN; i++) { + memcpy(p, mlxsw_sp_port_hw_rfc_2863_stats[i].str, + ETH_GSTRING_LEN); + p += ETH_GSTRING_LEN; + } + + for (i = 0; i < MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN; i++) { + memcpy(p, mlxsw_sp_port_hw_rfc_2819_stats[i].str, + ETH_GSTRING_LEN); + p += ETH_GSTRING_LEN; + } + + for (i = 0; i < MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN; i++) { + memcpy(p, mlxsw_sp_port_hw_rfc_3635_stats[i].str, + ETH_GSTRING_LEN); + p += ETH_GSTRING_LEN; + } + + for (i = 0; i < MLXSW_SP_PORT_HW_EXT_STATS_LEN; i++) { + memcpy(p, mlxsw_sp_port_hw_ext_stats[i].str, + ETH_GSTRING_LEN); + p += ETH_GSTRING_LEN; + } + + for (i = 0; i < MLXSW_SP_PORT_HW_DISCARD_STATS_LEN; i++) { + memcpy(p, mlxsw_sp_port_hw_discard_stats[i].str, + ETH_GSTRING_LEN); + p += ETH_GSTRING_LEN; + } + + for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) + mlxsw_sp_port_get_prio_strings(&p, i); + + for (i = 0; i < TC_MAX_QUEUE; i++) + mlxsw_sp_port_get_tc_strings(&p, i); + + mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats_strings(&p); + break; + } +} + +static int mlxsw_sp_port_set_phys_id(struct net_device *dev, + enum ethtool_phys_id_state state) +{ + struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + char mlcr_pl[MLXSW_REG_MLCR_LEN]; + bool active; + + switch (state) { + case ETHTOOL_ID_ACTIVE: + active = true; + break; + case ETHTOOL_ID_INACTIVE: + active = false; + break; + default: + return -EOPNOTSUPP; + } + + mlxsw_reg_mlcr_pack(mlcr_pl, mlxsw_sp_port->local_port, active); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mlcr), mlcr_pl); +} + +static int +mlxsw_sp_get_hw_stats_by_group(struct mlxsw_sp_port_hw_stats **p_hw_stats, + int *p_len, enum mlxsw_reg_ppcnt_grp grp) +{ + switch (grp) { + case MLXSW_REG_PPCNT_IEEE_8023_CNT: + *p_hw_stats = mlxsw_sp_port_hw_stats; + *p_len = MLXSW_SP_PORT_HW_STATS_LEN; + break; + case MLXSW_REG_PPCNT_RFC_2863_CNT: + *p_hw_stats = mlxsw_sp_port_hw_rfc_2863_stats; + *p_len = MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN; + break; + case MLXSW_REG_PPCNT_RFC_2819_CNT: + *p_hw_stats = mlxsw_sp_port_hw_rfc_2819_stats; + *p_len = MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN; + break; + case MLXSW_REG_PPCNT_RFC_3635_CNT: + *p_hw_stats = mlxsw_sp_port_hw_rfc_3635_stats; + *p_len = MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN; + break; + case MLXSW_REG_PPCNT_EXT_CNT: + *p_hw_stats = mlxsw_sp_port_hw_ext_stats; + *p_len = MLXSW_SP_PORT_HW_EXT_STATS_LEN; + break; + case MLXSW_REG_PPCNT_DISCARD_CNT: + *p_hw_stats = mlxsw_sp_port_hw_discard_stats; + *p_len = MLXSW_SP_PORT_HW_DISCARD_STATS_LEN; + break; + case MLXSW_REG_PPCNT_PRIO_CNT: + *p_hw_stats = mlxsw_sp_port_hw_prio_stats; + *p_len = MLXSW_SP_PORT_HW_PRIO_STATS_LEN; + break; + case MLXSW_REG_PPCNT_TC_CNT: + *p_hw_stats = mlxsw_sp_port_hw_tc_stats; + *p_len = MLXSW_SP_PORT_HW_TC_STATS_LEN; + break; + default: + WARN_ON(1); + return -EOPNOTSUPP; + } + return 0; +} + +static void __mlxsw_sp_port_get_stats(struct net_device *dev, + enum mlxsw_reg_ppcnt_grp grp, int prio, + u64 *data, int data_index) +{ + struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + struct mlxsw_sp_port_hw_stats *hw_stats; + char ppcnt_pl[MLXSW_REG_PPCNT_LEN]; + int i, len; + int err; + + err = mlxsw_sp_get_hw_stats_by_group(&hw_stats, &len, grp); + if (err) + return; + mlxsw_sp_port_get_stats_raw(dev, grp, prio, ppcnt_pl); + for (i = 0; i < len; i++) { + data[data_index + i] = hw_stats[i].getter(ppcnt_pl); + if (!hw_stats[i].cells_bytes) + continue; + data[data_index + i] = mlxsw_sp_cells_bytes(mlxsw_sp, + data[data_index + i]); + } +} + +static void mlxsw_sp_port_get_stats(struct net_device *dev, + struct ethtool_stats *stats, u64 *data) +{ + struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); + int i, data_index = 0; + + /* IEEE 802.3 Counters */ + __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_IEEE_8023_CNT, 0, + data, data_index); + data_index = MLXSW_SP_PORT_HW_STATS_LEN; + + /* RFC 2863 Counters */ + __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_RFC_2863_CNT, 0, + data, data_index); + data_index += MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN; + + /* RFC 2819 Counters */ + __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_RFC_2819_CNT, 0, + data, data_index); + data_index += MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN; + + /* RFC 3635 Counters */ + __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_RFC_3635_CNT, 0, + data, data_index); + data_index += MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN; + + /* Extended Counters */ + __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_EXT_CNT, 0, + data, data_index); + data_index += MLXSW_SP_PORT_HW_EXT_STATS_LEN; + + /* Discard Counters */ + __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_DISCARD_CNT, 0, + data, data_index); + data_index += MLXSW_SP_PORT_HW_DISCARD_STATS_LEN; + + /* Per-Priority Counters */ + for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { + __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_PRIO_CNT, i, + data, data_index); + data_index += MLXSW_SP_PORT_HW_PRIO_STATS_LEN; + } + + /* Per-TC Counters */ + for (i = 0; i < TC_MAX_QUEUE; i++) { + __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_TC_CNT, i, + data, data_index); + data_index += MLXSW_SP_PORT_HW_TC_STATS_LEN; + } + + /* PTP counters */ + mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats(mlxsw_sp_port, + data, data_index); + data_index += mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats_count(); +} + +static int mlxsw_sp_port_get_sset_count(struct net_device *dev, int sset) +{ + struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); + + switch (sset) { + case ETH_SS_STATS: + return MLXSW_SP_PORT_ETHTOOL_STATS_LEN + + mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats_count(); + default: + return -EOPNOTSUPP; + } +} + +static void +mlxsw_sp_port_get_link_supported(struct mlxsw_sp *mlxsw_sp, u32 eth_proto_cap, + u8 width, struct ethtool_link_ksettings *cmd) +{ + const struct mlxsw_sp_port_type_speed_ops *ops; + + ops = mlxsw_sp->port_type_speed_ops; + + ethtool_link_ksettings_add_link_mode(cmd, supported, Asym_Pause); + ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg); + ethtool_link_ksettings_add_link_mode(cmd, supported, Pause); + + ops->from_ptys_supported_port(mlxsw_sp, eth_proto_cap, cmd); + ops->from_ptys_link(mlxsw_sp, eth_proto_cap, width, + cmd->link_modes.supported); +} + +static void +mlxsw_sp_port_get_link_advertise(struct mlxsw_sp *mlxsw_sp, + u32 eth_proto_admin, bool autoneg, u8 width, + struct ethtool_link_ksettings *cmd) +{ + const struct mlxsw_sp_port_type_speed_ops *ops; + + ops = mlxsw_sp->port_type_speed_ops; + + if (!autoneg) + return; + + ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg); + ops->from_ptys_link(mlxsw_sp, eth_proto_admin, width, + cmd->link_modes.advertising); +} + +static u8 +mlxsw_sp_port_connector_port(enum mlxsw_reg_ptys_connector_type connector_type) +{ + switch (connector_type) { + case MLXSW_REG_PTYS_CONNECTOR_TYPE_UNKNOWN_OR_NO_CONNECTOR: + return PORT_OTHER; + case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_NONE: + return PORT_NONE; + case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_TP: + return PORT_TP; + case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_AUI: + return PORT_AUI; + case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_BNC: + return PORT_BNC; + case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_MII: + return PORT_MII; + case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_FIBRE: + return PORT_FIBRE; + case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_DA: + return PORT_DA; + case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_OTHER: + return PORT_OTHER; + default: + WARN_ON_ONCE(1); + return PORT_OTHER; + } +} + +static int mlxsw_sp_port_get_link_ksettings(struct net_device *dev, + struct ethtool_link_ksettings *cmd) +{ + u32 eth_proto_cap, eth_proto_admin, eth_proto_oper; + struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + const struct mlxsw_sp_port_type_speed_ops *ops; + char ptys_pl[MLXSW_REG_PTYS_LEN]; + u8 connector_type; + bool autoneg; + int err; + + ops = mlxsw_sp->port_type_speed_ops; + + autoneg = mlxsw_sp_port->link.autoneg; + ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port, + 0, false); + err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); + if (err) + return err; + ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, ð_proto_cap, + ð_proto_admin, ð_proto_oper); + + mlxsw_sp_port_get_link_supported(mlxsw_sp, eth_proto_cap, + mlxsw_sp_port->mapping.width, cmd); + + mlxsw_sp_port_get_link_advertise(mlxsw_sp, eth_proto_admin, autoneg, + mlxsw_sp_port->mapping.width, cmd); + + cmd->base.autoneg = autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE; + connector_type = mlxsw_reg_ptys_connector_type_get(ptys_pl); + cmd->base.port = mlxsw_sp_port_connector_port(connector_type); + ops->from_ptys_speed_duplex(mlxsw_sp, netif_carrier_ok(dev), + eth_proto_oper, cmd); + + return 0; +} + +static int +mlxsw_sp_port_set_link_ksettings(struct net_device *dev, + const struct ethtool_link_ksettings *cmd) +{ + struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + const struct mlxsw_sp_port_type_speed_ops *ops; + char ptys_pl[MLXSW_REG_PTYS_LEN]; + u32 eth_proto_cap, eth_proto_new; + bool autoneg; + int err; + + ops = mlxsw_sp->port_type_speed_ops; + + ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port, + 0, false); + err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); + if (err) + return err; + ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, ð_proto_cap, NULL, NULL); + + autoneg = cmd->base.autoneg == AUTONEG_ENABLE; + eth_proto_new = autoneg ? + ops->to_ptys_advert_link(mlxsw_sp, mlxsw_sp_port->mapping.width, + cmd) : + ops->to_ptys_speed(mlxsw_sp, mlxsw_sp_port->mapping.width, + cmd->base.speed); + + eth_proto_new = eth_proto_new & eth_proto_cap; + if (!eth_proto_new) { + netdev_err(dev, "No supported speed requested\n"); + return -EINVAL; + } + + ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port, + eth_proto_new, autoneg); + err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); + if (err) + return err; + + mlxsw_sp_port->link.autoneg = autoneg; + + if (!netif_running(dev)) + return 0; + + mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false); + mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true); + + return 0; +} + +static int mlxsw_sp_get_module_info(struct net_device *netdev, + struct ethtool_modinfo *modinfo) +{ + struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(netdev); + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + int err; + + err = mlxsw_env_get_module_info(mlxsw_sp->core, + mlxsw_sp_port->mapping.module, + modinfo); + + return err; +} + +static int mlxsw_sp_get_module_eeprom(struct net_device *netdev, + struct ethtool_eeprom *ee, u8 *data) +{ + struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(netdev); + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + int err; + + err = mlxsw_env_get_module_eeprom(netdev, mlxsw_sp->core, + mlxsw_sp_port->mapping.module, ee, + data); + + return err; +} + +static int +mlxsw_sp_get_ts_info(struct net_device *netdev, struct ethtool_ts_info *info) +{ + struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(netdev); + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + + return mlxsw_sp->ptp_ops->get_ts_info(mlxsw_sp, info); +} + +const struct ethtool_ops mlxsw_sp_port_ethtool_ops = { + .get_drvinfo = mlxsw_sp_port_get_drvinfo, + .get_link = ethtool_op_get_link, + .get_pauseparam = mlxsw_sp_port_get_pauseparam, + .set_pauseparam = mlxsw_sp_port_set_pauseparam, + .get_strings = mlxsw_sp_port_get_strings, + .set_phys_id = mlxsw_sp_port_set_phys_id, + .get_ethtool_stats = mlxsw_sp_port_get_stats, + .get_sset_count = mlxsw_sp_port_get_sset_count, + .get_link_ksettings = mlxsw_sp_port_get_link_ksettings, + .set_link_ksettings = mlxsw_sp_port_set_link_ksettings, + .get_module_info = mlxsw_sp_get_module_info, + .get_module_eeprom = mlxsw_sp_get_module_eeprom, + .get_ts_info = mlxsw_sp_get_ts_info, +}; 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Sun, 7 Jun 2020 15:00:13 +0000 From: Amit Cohen To: netdev@vger.kernel.org Cc: davem@davemloft.net, kuba@kernel.org, corbet@lwn.net, jiri@mellanox.com, idosch@mellanox.com, shuah@kernel.org, mkubecek@suse.cz, gustavo@embeddedor.com, amitc@mellanox.com, cforno12@linux.vnet.ibm.com, andrew@lunn.ch, f.fainelli@gmail.com, linux@rempel-privat.de, alexandru.ardelean@analog.com, ayal@mellanox.com, petrm@mellanox.com, mlxsw@mellanox.com, liuhangbin@gmail.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [RFC PATCH net-next 03/10] mlxsw: spectrum_ethtool: Move mlxsw_sp_port_type_speed_ops structs Date: Sun, 7 Jun 2020 17:59:38 +0300 Message-Id: <20200607145945.30559-4-amitc@mellanox.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200607145945.30559-1-amitc@mellanox.com> References: <20200607145945.30559-1-amitc@mellanox.com> X-ClientProxiedBy: AM0PR10CA0015.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:17c::25) To AM0PR0502MB3826.eurprd05.prod.outlook.com (2603:10a6:208:1b::25) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from dev-r-vrt-155.mtr.labs.mlnx (37.142.13.130) by AM0PR10CA0015.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:17c::25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3066.18 via Frontend Transport; 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Signed-off-by: Amit Cohen Reviewed-by: Petr Machata Reviewed-by: Jiri Pirko --- .../net/ethernet/mellanox/mlxsw/spectrum.c | 660 ------------------ .../net/ethernet/mellanox/mlxsw/spectrum.h | 2 + .../mellanox/mlxsw/spectrum_ethtool.c | 658 +++++++++++++++++ 3 files changed, 660 insertions(+), 660 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index e46cf355e081..78c55a9a394b 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -1511,666 +1511,6 @@ static const struct net_device_ops mlxsw_sp_port_netdev_ops = { .ndo_do_ioctl = mlxsw_sp_port_ioctl, }; -struct mlxsw_sp1_port_link_mode { - enum ethtool_link_mode_bit_indices mask_ethtool; - u32 mask; - u32 speed; -}; - -static const struct mlxsw_sp1_port_link_mode mlxsw_sp1_port_link_mode[] = { - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_100BASE_T, - .mask_ethtool = ETHTOOL_LINK_MODE_100baseT_Full_BIT, - .speed = SPEED_100, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_SGMII | - MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX, - .mask_ethtool = ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, - .speed = SPEED_1000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_T, - .mask_ethtool = ETHTOOL_LINK_MODE_10000baseT_Full_BIT, - .speed = SPEED_10000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CX4 | - MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4, - .mask_ethtool = ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT, - .speed = SPEED_10000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR | - MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR | - MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR | - MLXSW_REG_PTYS_ETH_SPEED_10GBASE_ER_LR, - .mask_ethtool = ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, - .speed = SPEED_10000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_20GBASE_KR2, - .mask_ethtool = ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT, - .speed = SPEED_20000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4, - .mask_ethtool = ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT, - .speed = SPEED_40000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4, - .mask_ethtool = ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT, - .speed = SPEED_40000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4, - .mask_ethtool = ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT, - .speed = SPEED_40000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_LR4_ER4, - .mask_ethtool = ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT, - .speed = SPEED_40000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_CR, - .mask_ethtool = ETHTOOL_LINK_MODE_25000baseCR_Full_BIT, - .speed = SPEED_25000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_KR, - .mask_ethtool = ETHTOOL_LINK_MODE_25000baseKR_Full_BIT, - .speed = SPEED_25000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_SR, - .mask_ethtool = ETHTOOL_LINK_MODE_25000baseSR_Full_BIT, - .speed = SPEED_25000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_CR2, - .mask_ethtool = ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT, - .speed = SPEED_50000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_KR2, - .mask_ethtool = ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT, - .speed = SPEED_50000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_SR2, - .mask_ethtool = ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT, - .speed = SPEED_50000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_CR4, - .mask_ethtool = ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT, - .speed = SPEED_100000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4, - .mask_ethtool = ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT, - .speed = SPEED_100000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4, - .mask_ethtool = ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT, - .speed = SPEED_100000, - }, - { - .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_LR4_ER4, - .mask_ethtool = ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT, - .speed = SPEED_100000, - }, -}; - -#define MLXSW_SP1_PORT_LINK_MODE_LEN ARRAY_SIZE(mlxsw_sp1_port_link_mode) - -static void -mlxsw_sp1_from_ptys_supported_port(struct mlxsw_sp *mlxsw_sp, - u32 ptys_eth_proto, - struct ethtool_link_ksettings *cmd) -{ - if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR | - MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR | - MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4 | - MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4 | - MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4 | - MLXSW_REG_PTYS_ETH_SPEED_SGMII)) - ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE); - - if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR | - MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4 | - MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4 | - MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4 | - MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX)) - ethtool_link_ksettings_add_link_mode(cmd, supported, Backplane); -} - -static void -mlxsw_sp1_from_ptys_link(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto, - u8 width, unsigned long *mode) -{ - int i; - - for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) { - if (ptys_eth_proto & mlxsw_sp1_port_link_mode[i].mask) - __set_bit(mlxsw_sp1_port_link_mode[i].mask_ethtool, - mode); - } -} - -static u32 -mlxsw_sp1_from_ptys_speed(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto) -{ - int i; - - for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) { - if (ptys_eth_proto & mlxsw_sp1_port_link_mode[i].mask) - return mlxsw_sp1_port_link_mode[i].speed; - } - - return SPEED_UNKNOWN; -} - -static void -mlxsw_sp1_from_ptys_speed_duplex(struct mlxsw_sp *mlxsw_sp, bool carrier_ok, - u32 ptys_eth_proto, - struct ethtool_link_ksettings *cmd) -{ - cmd->base.speed = SPEED_UNKNOWN; - cmd->base.duplex = DUPLEX_UNKNOWN; - - if (!carrier_ok) - return; - - cmd->base.speed = mlxsw_sp1_from_ptys_speed(mlxsw_sp, ptys_eth_proto); - if (cmd->base.speed != SPEED_UNKNOWN) - cmd->base.duplex = DUPLEX_FULL; -} - -static u32 -mlxsw_sp1_to_ptys_advert_link(struct mlxsw_sp *mlxsw_sp, u8 width, - const struct ethtool_link_ksettings *cmd) -{ - u32 ptys_proto = 0; - int i; - - for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) { - if (test_bit(mlxsw_sp1_port_link_mode[i].mask_ethtool, - cmd->link_modes.advertising)) - ptys_proto |= mlxsw_sp1_port_link_mode[i].mask; - } - return ptys_proto; -} - -static u32 mlxsw_sp1_to_ptys_speed(struct mlxsw_sp *mlxsw_sp, u8 width, - u32 speed) -{ - u32 ptys_proto = 0; - int i; - - for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) { - if (speed == mlxsw_sp1_port_link_mode[i].speed) - ptys_proto |= mlxsw_sp1_port_link_mode[i].mask; - } - return ptys_proto; -} - -static void -mlxsw_sp1_reg_ptys_eth_pack(struct mlxsw_sp *mlxsw_sp, char *payload, - u8 local_port, u32 proto_admin, bool autoneg) -{ - mlxsw_reg_ptys_eth_pack(payload, local_port, proto_admin, autoneg); -} - -static void -mlxsw_sp1_reg_ptys_eth_unpack(struct mlxsw_sp *mlxsw_sp, char *payload, - u32 *p_eth_proto_cap, u32 *p_eth_proto_admin, - u32 *p_eth_proto_oper) -{ - mlxsw_reg_ptys_eth_unpack(payload, p_eth_proto_cap, p_eth_proto_admin, - p_eth_proto_oper); -} - -static const struct mlxsw_sp_port_type_speed_ops -mlxsw_sp1_port_type_speed_ops = { - .from_ptys_supported_port = mlxsw_sp1_from_ptys_supported_port, - .from_ptys_link = mlxsw_sp1_from_ptys_link, - .from_ptys_speed = mlxsw_sp1_from_ptys_speed, - .from_ptys_speed_duplex = mlxsw_sp1_from_ptys_speed_duplex, - .to_ptys_advert_link = mlxsw_sp1_to_ptys_advert_link, - .to_ptys_speed = mlxsw_sp1_to_ptys_speed, - .reg_ptys_eth_pack = mlxsw_sp1_reg_ptys_eth_pack, - .reg_ptys_eth_unpack = mlxsw_sp1_reg_ptys_eth_unpack, -}; - -static const enum ethtool_link_mode_bit_indices -mlxsw_sp2_mask_ethtool_sgmii_100m[] = { - ETHTOOL_LINK_MODE_100baseT_Full_BIT, -}; - -#define MLXSW_SP2_MASK_ETHTOOL_SGMII_100M_LEN \ - ARRAY_SIZE(mlxsw_sp2_mask_ethtool_sgmii_100m) - -static const enum ethtool_link_mode_bit_indices -mlxsw_sp2_mask_ethtool_1000base_x_sgmii[] = { - ETHTOOL_LINK_MODE_1000baseT_Full_BIT, - ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, -}; - -#define MLXSW_SP2_MASK_ETHTOOL_1000BASE_X_SGMII_LEN \ - ARRAY_SIZE(mlxsw_sp2_mask_ethtool_1000base_x_sgmii) - -static const enum ethtool_link_mode_bit_indices -mlxsw_sp2_mask_ethtool_2_5gbase_x_2_5gmii[] = { - ETHTOOL_LINK_MODE_2500baseX_Full_BIT, -}; - -#define MLXSW_SP2_MASK_ETHTOOL_2_5GBASE_X_2_5GMII_LEN \ - ARRAY_SIZE(mlxsw_sp2_mask_ethtool_2_5gbase_x_2_5gmii) - -static const enum ethtool_link_mode_bit_indices -mlxsw_sp2_mask_ethtool_5gbase_r[] = { - ETHTOOL_LINK_MODE_5000baseT_Full_BIT, -}; - -#define MLXSW_SP2_MASK_ETHTOOL_5GBASE_R_LEN \ - ARRAY_SIZE(mlxsw_sp2_mask_ethtool_5gbase_r) - -static const enum ethtool_link_mode_bit_indices -mlxsw_sp2_mask_ethtool_xfi_xaui_1_10g[] = { - ETHTOOL_LINK_MODE_10000baseT_Full_BIT, - ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, - ETHTOOL_LINK_MODE_10000baseR_FEC_BIT, - ETHTOOL_LINK_MODE_10000baseCR_Full_BIT, - ETHTOOL_LINK_MODE_10000baseSR_Full_BIT, - ETHTOOL_LINK_MODE_10000baseLR_Full_BIT, - ETHTOOL_LINK_MODE_10000baseER_Full_BIT, -}; - -#define MLXSW_SP2_MASK_ETHTOOL_XFI_XAUI_1_10G_LEN \ - ARRAY_SIZE(mlxsw_sp2_mask_ethtool_xfi_xaui_1_10g) - -static const enum ethtool_link_mode_bit_indices -mlxsw_sp2_mask_ethtool_xlaui_4_xlppi_4_40g[] = { - ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT, - ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT, - ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT, - ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT, -}; - -#define MLXSW_SP2_MASK_ETHTOOL_XLAUI_4_XLPPI_4_40G_LEN \ - ARRAY_SIZE(mlxsw_sp2_mask_ethtool_xlaui_4_xlppi_4_40g) - -static const enum ethtool_link_mode_bit_indices -mlxsw_sp2_mask_ethtool_25gaui_1_25gbase_cr_kr[] = { - ETHTOOL_LINK_MODE_25000baseCR_Full_BIT, - ETHTOOL_LINK_MODE_25000baseKR_Full_BIT, - ETHTOOL_LINK_MODE_25000baseSR_Full_BIT, -}; - -#define MLXSW_SP2_MASK_ETHTOOL_25GAUI_1_25GBASE_CR_KR_LEN \ - ARRAY_SIZE(mlxsw_sp2_mask_ethtool_25gaui_1_25gbase_cr_kr) - -static const enum ethtool_link_mode_bit_indices -mlxsw_sp2_mask_ethtool_50gaui_2_laui_2_50gbase_cr2_kr2[] = { - ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT, - ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT, - ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT, -}; - -#define MLXSW_SP2_MASK_ETHTOOL_50GAUI_2_LAUI_2_50GBASE_CR2_KR2_LEN \ - ARRAY_SIZE(mlxsw_sp2_mask_ethtool_50gaui_2_laui_2_50gbase_cr2_kr2) - -static const enum ethtool_link_mode_bit_indices -mlxsw_sp2_mask_ethtool_50gaui_1_laui_1_50gbase_cr_kr[] = { - ETHTOOL_LINK_MODE_50000baseKR_Full_BIT, - ETHTOOL_LINK_MODE_50000baseSR_Full_BIT, - ETHTOOL_LINK_MODE_50000baseCR_Full_BIT, - ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT, - ETHTOOL_LINK_MODE_50000baseDR_Full_BIT, -}; - -#define MLXSW_SP2_MASK_ETHTOOL_50GAUI_1_LAUI_1_50GBASE_CR_KR_LEN \ - ARRAY_SIZE(mlxsw_sp2_mask_ethtool_50gaui_1_laui_1_50gbase_cr_kr) - -static const enum ethtool_link_mode_bit_indices -mlxsw_sp2_mask_ethtool_caui_4_100gbase_cr4_kr4[] = { - ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT, - ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT, - ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT, - ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT, -}; - -#define MLXSW_SP2_MASK_ETHTOOL_CAUI_4_100GBASE_CR4_KR4_LEN \ - ARRAY_SIZE(mlxsw_sp2_mask_ethtool_caui_4_100gbase_cr4_kr4) - -static const enum ethtool_link_mode_bit_indices -mlxsw_sp2_mask_ethtool_100gaui_2_100gbase_cr2_kr2[] = { - ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT, - ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT, - ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT, - ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT, - ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT, -}; - -#define MLXSW_SP2_MASK_ETHTOOL_100GAUI_2_100GBASE_CR2_KR2_LEN \ - ARRAY_SIZE(mlxsw_sp2_mask_ethtool_100gaui_2_100gbase_cr2_kr2) - -static const enum ethtool_link_mode_bit_indices -mlxsw_sp2_mask_ethtool_200gaui_4_200gbase_cr4_kr4[] = { - ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT, - ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT, - ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT, - ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT, - ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT, -}; - -#define MLXSW_SP2_MASK_ETHTOOL_200GAUI_4_200GBASE_CR4_KR4_LEN \ - ARRAY_SIZE(mlxsw_sp2_mask_ethtool_200gaui_4_200gbase_cr4_kr4) - -static const enum ethtool_link_mode_bit_indices -mlxsw_sp2_mask_ethtool_400gaui_8[] = { - ETHTOOL_LINK_MODE_400000baseKR8_Full_BIT, - ETHTOOL_LINK_MODE_400000baseSR8_Full_BIT, - ETHTOOL_LINK_MODE_400000baseLR8_ER8_FR8_Full_BIT, - ETHTOOL_LINK_MODE_400000baseDR8_Full_BIT, - ETHTOOL_LINK_MODE_400000baseCR8_Full_BIT, -}; - -#define MLXSW_SP2_MASK_ETHTOOL_400GAUI_8_LEN \ - ARRAY_SIZE(mlxsw_sp2_mask_ethtool_400gaui_8) - -#define MLXSW_SP_PORT_MASK_WIDTH_1X BIT(0) -#define MLXSW_SP_PORT_MASK_WIDTH_2X BIT(1) -#define MLXSW_SP_PORT_MASK_WIDTH_4X BIT(2) -#define MLXSW_SP_PORT_MASK_WIDTH_8X BIT(3) - -static u8 mlxsw_sp_port_mask_width_get(u8 width) -{ - switch (width) { - case 1: - return MLXSW_SP_PORT_MASK_WIDTH_1X; - case 2: - return MLXSW_SP_PORT_MASK_WIDTH_2X; - case 4: - return MLXSW_SP_PORT_MASK_WIDTH_4X; - case 8: - return MLXSW_SP_PORT_MASK_WIDTH_8X; - default: - WARN_ON_ONCE(1); - return 0; - } -} - -struct mlxsw_sp2_port_link_mode { - const enum ethtool_link_mode_bit_indices *mask_ethtool; - int m_ethtool_len; - u32 mask; - u32 speed; - u8 mask_width; -}; - -static const struct mlxsw_sp2_port_link_mode mlxsw_sp2_port_link_mode[] = { - { - .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_SGMII_100M, - .mask_ethtool = mlxsw_sp2_mask_ethtool_sgmii_100m, - .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_SGMII_100M_LEN, - .mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X | - MLXSW_SP_PORT_MASK_WIDTH_2X | - MLXSW_SP_PORT_MASK_WIDTH_4X | - MLXSW_SP_PORT_MASK_WIDTH_8X, - .speed = SPEED_100, - }, - { - .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_1000BASE_X_SGMII, - .mask_ethtool = mlxsw_sp2_mask_ethtool_1000base_x_sgmii, - .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_1000BASE_X_SGMII_LEN, - .mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X | - MLXSW_SP_PORT_MASK_WIDTH_2X | - MLXSW_SP_PORT_MASK_WIDTH_4X | - MLXSW_SP_PORT_MASK_WIDTH_8X, - .speed = SPEED_1000, - }, - { - .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_2_5GBASE_X_2_5GMII, - .mask_ethtool = mlxsw_sp2_mask_ethtool_2_5gbase_x_2_5gmii, - .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_2_5GBASE_X_2_5GMII_LEN, - .mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X | - MLXSW_SP_PORT_MASK_WIDTH_2X | - MLXSW_SP_PORT_MASK_WIDTH_4X | - MLXSW_SP_PORT_MASK_WIDTH_8X, - .speed = SPEED_2500, - }, - { - .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_5GBASE_R, - .mask_ethtool = mlxsw_sp2_mask_ethtool_5gbase_r, - .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_5GBASE_R_LEN, - .mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X | - MLXSW_SP_PORT_MASK_WIDTH_2X | - MLXSW_SP_PORT_MASK_WIDTH_4X | - MLXSW_SP_PORT_MASK_WIDTH_8X, - .speed = SPEED_5000, - }, - { - .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_XFI_XAUI_1_10G, - .mask_ethtool = mlxsw_sp2_mask_ethtool_xfi_xaui_1_10g, - .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_XFI_XAUI_1_10G_LEN, - .mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X | - MLXSW_SP_PORT_MASK_WIDTH_2X | - MLXSW_SP_PORT_MASK_WIDTH_4X | - MLXSW_SP_PORT_MASK_WIDTH_8X, - .speed = SPEED_10000, - }, - { - .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_XLAUI_4_XLPPI_4_40G, - .mask_ethtool = mlxsw_sp2_mask_ethtool_xlaui_4_xlppi_4_40g, - .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_XLAUI_4_XLPPI_4_40G_LEN, - .mask_width = MLXSW_SP_PORT_MASK_WIDTH_4X | - MLXSW_SP_PORT_MASK_WIDTH_8X, - .speed = SPEED_40000, - }, - { - .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_25GAUI_1_25GBASE_CR_KR, - .mask_ethtool = mlxsw_sp2_mask_ethtool_25gaui_1_25gbase_cr_kr, - .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_25GAUI_1_25GBASE_CR_KR_LEN, - .mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X | - MLXSW_SP_PORT_MASK_WIDTH_2X | - MLXSW_SP_PORT_MASK_WIDTH_4X | - MLXSW_SP_PORT_MASK_WIDTH_8X, - .speed = SPEED_25000, - }, - { - .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_50GAUI_2_LAUI_2_50GBASE_CR2_KR2, - .mask_ethtool = mlxsw_sp2_mask_ethtool_50gaui_2_laui_2_50gbase_cr2_kr2, - .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_50GAUI_2_LAUI_2_50GBASE_CR2_KR2_LEN, - .mask_width = MLXSW_SP_PORT_MASK_WIDTH_2X | - MLXSW_SP_PORT_MASK_WIDTH_4X | - MLXSW_SP_PORT_MASK_WIDTH_8X, - .speed = SPEED_50000, - }, - { - .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_50GAUI_1_LAUI_1_50GBASE_CR_KR, - .mask_ethtool = mlxsw_sp2_mask_ethtool_50gaui_1_laui_1_50gbase_cr_kr, - .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_50GAUI_1_LAUI_1_50GBASE_CR_KR_LEN, - .mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X, - .speed = SPEED_50000, - }, - { - .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_CAUI_4_100GBASE_CR4_KR4, - .mask_ethtool = mlxsw_sp2_mask_ethtool_caui_4_100gbase_cr4_kr4, - .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_CAUI_4_100GBASE_CR4_KR4_LEN, - .mask_width = MLXSW_SP_PORT_MASK_WIDTH_4X | - MLXSW_SP_PORT_MASK_WIDTH_8X, - .speed = SPEED_100000, - }, - { - .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_100GAUI_2_100GBASE_CR2_KR2, - .mask_ethtool = mlxsw_sp2_mask_ethtool_100gaui_2_100gbase_cr2_kr2, - .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_100GAUI_2_100GBASE_CR2_KR2_LEN, - .mask_width = MLXSW_SP_PORT_MASK_WIDTH_2X, - .speed = SPEED_100000, - }, - { - .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_200GAUI_4_200GBASE_CR4_KR4, - .mask_ethtool = mlxsw_sp2_mask_ethtool_200gaui_4_200gbase_cr4_kr4, - .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_200GAUI_4_200GBASE_CR4_KR4_LEN, - .mask_width = MLXSW_SP_PORT_MASK_WIDTH_4X | - MLXSW_SP_PORT_MASK_WIDTH_8X, - .speed = SPEED_200000, - }, - { - .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_400GAUI_8, - .mask_ethtool = mlxsw_sp2_mask_ethtool_400gaui_8, - .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_400GAUI_8_LEN, - .mask_width = MLXSW_SP_PORT_MASK_WIDTH_8X, - .speed = SPEED_400000, - }, -}; - -#define MLXSW_SP2_PORT_LINK_MODE_LEN ARRAY_SIZE(mlxsw_sp2_port_link_mode) - -static void -mlxsw_sp2_from_ptys_supported_port(struct mlxsw_sp *mlxsw_sp, - u32 ptys_eth_proto, - struct ethtool_link_ksettings *cmd) -{ - ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE); - ethtool_link_ksettings_add_link_mode(cmd, supported, Backplane); -} - -static void -mlxsw_sp2_set_bit_ethtool(const struct mlxsw_sp2_port_link_mode *link_mode, - unsigned long *mode) -{ - int i; - - for (i = 0; i < link_mode->m_ethtool_len; i++) - __set_bit(link_mode->mask_ethtool[i], mode); -} - -static void -mlxsw_sp2_from_ptys_link(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto, - u8 width, unsigned long *mode) -{ - u8 mask_width = mlxsw_sp_port_mask_width_get(width); - int i; - - for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) { - if ((ptys_eth_proto & mlxsw_sp2_port_link_mode[i].mask) && - (mask_width & mlxsw_sp2_port_link_mode[i].mask_width)) - mlxsw_sp2_set_bit_ethtool(&mlxsw_sp2_port_link_mode[i], - mode); - } -} - -static u32 -mlxsw_sp2_from_ptys_speed(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto) -{ - int i; - - for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) { - if (ptys_eth_proto & mlxsw_sp2_port_link_mode[i].mask) - return mlxsw_sp2_port_link_mode[i].speed; - } - - return SPEED_UNKNOWN; -} - -static void -mlxsw_sp2_from_ptys_speed_duplex(struct mlxsw_sp *mlxsw_sp, bool carrier_ok, - u32 ptys_eth_proto, - struct ethtool_link_ksettings *cmd) -{ - cmd->base.speed = SPEED_UNKNOWN; - cmd->base.duplex = DUPLEX_UNKNOWN; - - if (!carrier_ok) - return; - - cmd->base.speed = mlxsw_sp2_from_ptys_speed(mlxsw_sp, ptys_eth_proto); - if (cmd->base.speed != SPEED_UNKNOWN) - cmd->base.duplex = DUPLEX_FULL; -} - -static bool -mlxsw_sp2_test_bit_ethtool(const struct mlxsw_sp2_port_link_mode *link_mode, - const unsigned long *mode) -{ - int cnt = 0; - int i; - - for (i = 0; i < link_mode->m_ethtool_len; i++) { - if (test_bit(link_mode->mask_ethtool[i], mode)) - cnt++; - } - - return cnt == link_mode->m_ethtool_len; -} - -static u32 -mlxsw_sp2_to_ptys_advert_link(struct mlxsw_sp *mlxsw_sp, u8 width, - const struct ethtool_link_ksettings *cmd) -{ - u8 mask_width = mlxsw_sp_port_mask_width_get(width); - u32 ptys_proto = 0; - int i; - - for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) { - if ((mask_width & mlxsw_sp2_port_link_mode[i].mask_width) && - mlxsw_sp2_test_bit_ethtool(&mlxsw_sp2_port_link_mode[i], - cmd->link_modes.advertising)) - ptys_proto |= mlxsw_sp2_port_link_mode[i].mask; - } - return ptys_proto; -} - -static u32 mlxsw_sp2_to_ptys_speed(struct mlxsw_sp *mlxsw_sp, - u8 width, u32 speed) -{ - u8 mask_width = mlxsw_sp_port_mask_width_get(width); - u32 ptys_proto = 0; - int i; - - for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) { - if ((speed == mlxsw_sp2_port_link_mode[i].speed) && - (mask_width & mlxsw_sp2_port_link_mode[i].mask_width)) - ptys_proto |= mlxsw_sp2_port_link_mode[i].mask; - } - return ptys_proto; -} - -static void -mlxsw_sp2_reg_ptys_eth_pack(struct mlxsw_sp *mlxsw_sp, char *payload, - u8 local_port, u32 proto_admin, - bool autoneg) -{ - mlxsw_reg_ptys_ext_eth_pack(payload, local_port, proto_admin, autoneg); -} - -static void -mlxsw_sp2_reg_ptys_eth_unpack(struct mlxsw_sp *mlxsw_sp, char *payload, - u32 *p_eth_proto_cap, u32 *p_eth_proto_admin, - u32 *p_eth_proto_oper) -{ - mlxsw_reg_ptys_ext_eth_unpack(payload, p_eth_proto_cap, - p_eth_proto_admin, p_eth_proto_oper); -} - -static const struct mlxsw_sp_port_type_speed_ops -mlxsw_sp2_port_type_speed_ops = { - .from_ptys_supported_port = mlxsw_sp2_from_ptys_supported_port, - .from_ptys_link = mlxsw_sp2_from_ptys_link, - .from_ptys_speed = mlxsw_sp2_from_ptys_speed, - .from_ptys_speed_duplex = mlxsw_sp2_from_ptys_speed_duplex, - .to_ptys_advert_link = mlxsw_sp2_to_ptys_advert_link, - .to_ptys_speed = mlxsw_sp2_to_ptys_speed, - .reg_ptys_eth_pack = mlxsw_sp2_reg_ptys_eth_pack, - .reg_ptys_eth_unpack = mlxsw_sp2_reg_ptys_eth_unpack, -}; - static int mlxsw_sp_port_speed_by_width_set(struct mlxsw_sp_port *mlxsw_sp_port) { diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h index 1c2b1284a467..4a1a3f8c32f9 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h @@ -1144,5 +1144,7 @@ static inline struct net *mlxsw_sp_net(struct mlxsw_sp *mlxsw_sp) /* spectrum_ethtool.c */ extern const struct ethtool_ops mlxsw_sp_port_ethtool_ops; +extern const struct mlxsw_sp_port_type_speed_ops mlxsw_sp1_port_type_speed_ops; +extern const struct mlxsw_sp_port_type_speed_ops mlxsw_sp2_port_type_speed_ops; #endif diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c index 7c03c749b563..04e1db604c69 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c @@ -839,3 +839,661 @@ const struct ethtool_ops mlxsw_sp_port_ethtool_ops = { .get_module_eeprom = mlxsw_sp_get_module_eeprom, .get_ts_info = mlxsw_sp_get_ts_info, }; + +struct mlxsw_sp1_port_link_mode { + enum ethtool_link_mode_bit_indices mask_ethtool; + u32 mask; + u32 speed; +}; + +static const struct mlxsw_sp1_port_link_mode mlxsw_sp1_port_link_mode[] = { + { + .mask = MLXSW_REG_PTYS_ETH_SPEED_100BASE_T, + .mask_ethtool = ETHTOOL_LINK_MODE_100baseT_Full_BIT, + .speed = SPEED_100, + }, + { + .mask = MLXSW_REG_PTYS_ETH_SPEED_SGMII | + MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX, + .mask_ethtool = ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, + .speed = SPEED_1000, + }, + { + .mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_T, + .mask_ethtool = ETHTOOL_LINK_MODE_10000baseT_Full_BIT, + .speed = SPEED_10000, + }, + { + .mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CX4 | + MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4, + .mask_ethtool = ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT, + .speed = SPEED_10000, + }, + { + .mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR | + MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR | + MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR | + MLXSW_REG_PTYS_ETH_SPEED_10GBASE_ER_LR, + .mask_ethtool = ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, + .speed = SPEED_10000, + }, + { + .mask = MLXSW_REG_PTYS_ETH_SPEED_20GBASE_KR2, + .mask_ethtool = ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT, + .speed = SPEED_20000, + }, + { + .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4, + .mask_ethtool = ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT, + .speed = SPEED_40000, + }, + { + .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4, + .mask_ethtool = ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT, + .speed = SPEED_40000, + }, + { + .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4, + .mask_ethtool = ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT, + .speed = SPEED_40000, + }, + { + .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_LR4_ER4, + .mask_ethtool = ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT, + .speed = SPEED_40000, + }, + { + .mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_CR, + .mask_ethtool = ETHTOOL_LINK_MODE_25000baseCR_Full_BIT, + .speed = SPEED_25000, + }, + { + .mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_KR, + .mask_ethtool = ETHTOOL_LINK_MODE_25000baseKR_Full_BIT, + .speed = SPEED_25000, + }, + { + .mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_SR, + .mask_ethtool = ETHTOOL_LINK_MODE_25000baseSR_Full_BIT, + .speed = SPEED_25000, + }, + { + .mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_CR2, + .mask_ethtool = ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT, + .speed = SPEED_50000, + }, + { + .mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_KR2, + .mask_ethtool = ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT, + .speed = SPEED_50000, + }, + { + .mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_SR2, + .mask_ethtool = ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT, + .speed = SPEED_50000, + }, + { + .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_CR4, + .mask_ethtool = ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT, + .speed = SPEED_100000, + }, + { + .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4, + .mask_ethtool = ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT, + .speed = SPEED_100000, + }, + { + .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4, + .mask_ethtool = ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT, + .speed = SPEED_100000, + }, + { + .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_LR4_ER4, + .mask_ethtool = ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT, + .speed = SPEED_100000, + }, +}; + +#define MLXSW_SP1_PORT_LINK_MODE_LEN ARRAY_SIZE(mlxsw_sp1_port_link_mode) + +static void +mlxsw_sp1_from_ptys_supported_port(struct mlxsw_sp *mlxsw_sp, + u32 ptys_eth_proto, + struct ethtool_link_ksettings *cmd) +{ + if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR | + MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR | + MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4 | + MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4 | + MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4 | + MLXSW_REG_PTYS_ETH_SPEED_SGMII)) + ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE); + + if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR | + MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4 | + MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4 | + MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4 | + MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX)) + ethtool_link_ksettings_add_link_mode(cmd, supported, Backplane); +} + +static void +mlxsw_sp1_from_ptys_link(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto, + u8 width, unsigned long *mode) +{ + int i; + + for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) { + if (ptys_eth_proto & mlxsw_sp1_port_link_mode[i].mask) + __set_bit(mlxsw_sp1_port_link_mode[i].mask_ethtool, + mode); + } +} + +static u32 +mlxsw_sp1_from_ptys_speed(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto) +{ + int i; + + for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) { + if (ptys_eth_proto & mlxsw_sp1_port_link_mode[i].mask) + return mlxsw_sp1_port_link_mode[i].speed; + } + + return SPEED_UNKNOWN; +} + +static void +mlxsw_sp1_from_ptys_speed_duplex(struct mlxsw_sp *mlxsw_sp, bool carrier_ok, + u32 ptys_eth_proto, + struct ethtool_link_ksettings *cmd) +{ + cmd->base.speed = SPEED_UNKNOWN; + cmd->base.duplex = DUPLEX_UNKNOWN; + + if (!carrier_ok) + return; + + cmd->base.speed = mlxsw_sp1_from_ptys_speed(mlxsw_sp, ptys_eth_proto); + if (cmd->base.speed != SPEED_UNKNOWN) + cmd->base.duplex = DUPLEX_FULL; +} + +static u32 +mlxsw_sp1_to_ptys_advert_link(struct mlxsw_sp *mlxsw_sp, u8 width, + const struct ethtool_link_ksettings *cmd) +{ + u32 ptys_proto = 0; + int i; + + for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) { + if (test_bit(mlxsw_sp1_port_link_mode[i].mask_ethtool, + cmd->link_modes.advertising)) + ptys_proto |= mlxsw_sp1_port_link_mode[i].mask; + } + return ptys_proto; +} + +static u32 mlxsw_sp1_to_ptys_speed(struct mlxsw_sp *mlxsw_sp, u8 width, + u32 speed) +{ + u32 ptys_proto = 0; + int i; + + for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) { + if (speed == mlxsw_sp1_port_link_mode[i].speed) + ptys_proto |= mlxsw_sp1_port_link_mode[i].mask; + } + return ptys_proto; +} + +static void +mlxsw_sp1_reg_ptys_eth_pack(struct mlxsw_sp *mlxsw_sp, char *payload, + u8 local_port, u32 proto_admin, bool autoneg) +{ + mlxsw_reg_ptys_eth_pack(payload, local_port, proto_admin, autoneg); +} + +static void +mlxsw_sp1_reg_ptys_eth_unpack(struct mlxsw_sp *mlxsw_sp, char *payload, + u32 *p_eth_proto_cap, u32 *p_eth_proto_admin, + u32 *p_eth_proto_oper) +{ + mlxsw_reg_ptys_eth_unpack(payload, p_eth_proto_cap, p_eth_proto_admin, + p_eth_proto_oper); +} + +const struct mlxsw_sp_port_type_speed_ops mlxsw_sp1_port_type_speed_ops = { + .from_ptys_supported_port = mlxsw_sp1_from_ptys_supported_port, + .from_ptys_link = mlxsw_sp1_from_ptys_link, + .from_ptys_speed = mlxsw_sp1_from_ptys_speed, + .from_ptys_speed_duplex = mlxsw_sp1_from_ptys_speed_duplex, + .to_ptys_advert_link = mlxsw_sp1_to_ptys_advert_link, + .to_ptys_speed = mlxsw_sp1_to_ptys_speed, + .reg_ptys_eth_pack = mlxsw_sp1_reg_ptys_eth_pack, + .reg_ptys_eth_unpack = mlxsw_sp1_reg_ptys_eth_unpack, +}; + +static const enum ethtool_link_mode_bit_indices +mlxsw_sp2_mask_ethtool_sgmii_100m[] = { + ETHTOOL_LINK_MODE_100baseT_Full_BIT, +}; + +#define MLXSW_SP2_MASK_ETHTOOL_SGMII_100M_LEN \ + ARRAY_SIZE(mlxsw_sp2_mask_ethtool_sgmii_100m) + +static const enum ethtool_link_mode_bit_indices +mlxsw_sp2_mask_ethtool_1000base_x_sgmii[] = { + ETHTOOL_LINK_MODE_1000baseT_Full_BIT, + ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, +}; + +#define MLXSW_SP2_MASK_ETHTOOL_1000BASE_X_SGMII_LEN \ + ARRAY_SIZE(mlxsw_sp2_mask_ethtool_1000base_x_sgmii) + +static const enum ethtool_link_mode_bit_indices +mlxsw_sp2_mask_ethtool_2_5gbase_x_2_5gmii[] = { + ETHTOOL_LINK_MODE_2500baseX_Full_BIT, +}; + +#define MLXSW_SP2_MASK_ETHTOOL_2_5GBASE_X_2_5GMII_LEN \ + ARRAY_SIZE(mlxsw_sp2_mask_ethtool_2_5gbase_x_2_5gmii) + +static const enum ethtool_link_mode_bit_indices +mlxsw_sp2_mask_ethtool_5gbase_r[] = { + ETHTOOL_LINK_MODE_5000baseT_Full_BIT, +}; + +#define MLXSW_SP2_MASK_ETHTOOL_5GBASE_R_LEN \ + ARRAY_SIZE(mlxsw_sp2_mask_ethtool_5gbase_r) + +static const enum ethtool_link_mode_bit_indices +mlxsw_sp2_mask_ethtool_xfi_xaui_1_10g[] = { + ETHTOOL_LINK_MODE_10000baseT_Full_BIT, + ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, + ETHTOOL_LINK_MODE_10000baseR_FEC_BIT, + ETHTOOL_LINK_MODE_10000baseCR_Full_BIT, + ETHTOOL_LINK_MODE_10000baseSR_Full_BIT, + ETHTOOL_LINK_MODE_10000baseLR_Full_BIT, + ETHTOOL_LINK_MODE_10000baseER_Full_BIT, +}; + +#define MLXSW_SP2_MASK_ETHTOOL_XFI_XAUI_1_10G_LEN \ + ARRAY_SIZE(mlxsw_sp2_mask_ethtool_xfi_xaui_1_10g) + +static const enum ethtool_link_mode_bit_indices +mlxsw_sp2_mask_ethtool_xlaui_4_xlppi_4_40g[] = { + ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT, + ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT, + ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT, + ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT, +}; + +#define MLXSW_SP2_MASK_ETHTOOL_XLAUI_4_XLPPI_4_40G_LEN \ + ARRAY_SIZE(mlxsw_sp2_mask_ethtool_xlaui_4_xlppi_4_40g) + +static const enum ethtool_link_mode_bit_indices +mlxsw_sp2_mask_ethtool_25gaui_1_25gbase_cr_kr[] = { + ETHTOOL_LINK_MODE_25000baseCR_Full_BIT, + ETHTOOL_LINK_MODE_25000baseKR_Full_BIT, + ETHTOOL_LINK_MODE_25000baseSR_Full_BIT, +}; + +#define MLXSW_SP2_MASK_ETHTOOL_25GAUI_1_25GBASE_CR_KR_LEN \ + ARRAY_SIZE(mlxsw_sp2_mask_ethtool_25gaui_1_25gbase_cr_kr) + +static const enum ethtool_link_mode_bit_indices +mlxsw_sp2_mask_ethtool_50gaui_2_laui_2_50gbase_cr2_kr2[] = { + ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT, + ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT, + ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT, +}; + +#define MLXSW_SP2_MASK_ETHTOOL_50GAUI_2_LAUI_2_50GBASE_CR2_KR2_LEN \ + ARRAY_SIZE(mlxsw_sp2_mask_ethtool_50gaui_2_laui_2_50gbase_cr2_kr2) + +static const enum ethtool_link_mode_bit_indices +mlxsw_sp2_mask_ethtool_50gaui_1_laui_1_50gbase_cr_kr[] = { + ETHTOOL_LINK_MODE_50000baseKR_Full_BIT, + ETHTOOL_LINK_MODE_50000baseSR_Full_BIT, + ETHTOOL_LINK_MODE_50000baseCR_Full_BIT, + ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT, + ETHTOOL_LINK_MODE_50000baseDR_Full_BIT, +}; + +#define MLXSW_SP2_MASK_ETHTOOL_50GAUI_1_LAUI_1_50GBASE_CR_KR_LEN \ + ARRAY_SIZE(mlxsw_sp2_mask_ethtool_50gaui_1_laui_1_50gbase_cr_kr) + +static const enum ethtool_link_mode_bit_indices +mlxsw_sp2_mask_ethtool_caui_4_100gbase_cr4_kr4[] = { + ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT, + ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT, + ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT, + ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT, +}; + +#define MLXSW_SP2_MASK_ETHTOOL_CAUI_4_100GBASE_CR4_KR4_LEN \ + ARRAY_SIZE(mlxsw_sp2_mask_ethtool_caui_4_100gbase_cr4_kr4) + +static const enum ethtool_link_mode_bit_indices +mlxsw_sp2_mask_ethtool_100gaui_2_100gbase_cr2_kr2[] = { + ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT, + ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT, + ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT, + ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT, + ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT, +}; + +#define MLXSW_SP2_MASK_ETHTOOL_100GAUI_2_100GBASE_CR2_KR2_LEN \ + ARRAY_SIZE(mlxsw_sp2_mask_ethtool_100gaui_2_100gbase_cr2_kr2) + +static const enum ethtool_link_mode_bit_indices +mlxsw_sp2_mask_ethtool_200gaui_4_200gbase_cr4_kr4[] = { + ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT, + ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT, + ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT, + ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT, + ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT, +}; + +#define MLXSW_SP2_MASK_ETHTOOL_200GAUI_4_200GBASE_CR4_KR4_LEN \ + ARRAY_SIZE(mlxsw_sp2_mask_ethtool_200gaui_4_200gbase_cr4_kr4) + +static const enum ethtool_link_mode_bit_indices +mlxsw_sp2_mask_ethtool_400gaui_8[] = { + ETHTOOL_LINK_MODE_400000baseKR8_Full_BIT, + ETHTOOL_LINK_MODE_400000baseSR8_Full_BIT, + ETHTOOL_LINK_MODE_400000baseLR8_ER8_FR8_Full_BIT, + ETHTOOL_LINK_MODE_400000baseDR8_Full_BIT, + ETHTOOL_LINK_MODE_400000baseCR8_Full_BIT, +}; + +#define MLXSW_SP2_MASK_ETHTOOL_400GAUI_8_LEN \ + ARRAY_SIZE(mlxsw_sp2_mask_ethtool_400gaui_8) + +#define MLXSW_SP_PORT_MASK_WIDTH_1X BIT(0) +#define MLXSW_SP_PORT_MASK_WIDTH_2X BIT(1) +#define MLXSW_SP_PORT_MASK_WIDTH_4X BIT(2) +#define MLXSW_SP_PORT_MASK_WIDTH_8X BIT(3) + +static u8 mlxsw_sp_port_mask_width_get(u8 width) +{ + switch (width) { + case 1: + return MLXSW_SP_PORT_MASK_WIDTH_1X; + case 2: + return MLXSW_SP_PORT_MASK_WIDTH_2X; + case 4: + return MLXSW_SP_PORT_MASK_WIDTH_4X; + case 8: + return MLXSW_SP_PORT_MASK_WIDTH_8X; + default: + WARN_ON_ONCE(1); + return 0; + } +} + +struct mlxsw_sp2_port_link_mode { + const enum ethtool_link_mode_bit_indices *mask_ethtool; + int m_ethtool_len; + u32 mask; + u32 speed; + u8 mask_width; +}; + +static const struct mlxsw_sp2_port_link_mode mlxsw_sp2_port_link_mode[] = { + { + .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_SGMII_100M, + .mask_ethtool = mlxsw_sp2_mask_ethtool_sgmii_100m, + .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_SGMII_100M_LEN, + .mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X | + MLXSW_SP_PORT_MASK_WIDTH_2X | + MLXSW_SP_PORT_MASK_WIDTH_4X | + MLXSW_SP_PORT_MASK_WIDTH_8X, + .speed = SPEED_100, + }, + { + .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_1000BASE_X_SGMII, + .mask_ethtool = mlxsw_sp2_mask_ethtool_1000base_x_sgmii, + .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_1000BASE_X_SGMII_LEN, + .mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X | + MLXSW_SP_PORT_MASK_WIDTH_2X | + MLXSW_SP_PORT_MASK_WIDTH_4X | + MLXSW_SP_PORT_MASK_WIDTH_8X, + .speed = SPEED_1000, + }, + { + .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_2_5GBASE_X_2_5GMII, + .mask_ethtool = mlxsw_sp2_mask_ethtool_2_5gbase_x_2_5gmii, + .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_2_5GBASE_X_2_5GMII_LEN, + .mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X | + MLXSW_SP_PORT_MASK_WIDTH_2X | + MLXSW_SP_PORT_MASK_WIDTH_4X | + MLXSW_SP_PORT_MASK_WIDTH_8X, + .speed = SPEED_2500, + }, + { + .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_5GBASE_R, + .mask_ethtool = mlxsw_sp2_mask_ethtool_5gbase_r, + .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_5GBASE_R_LEN, + .mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X | + MLXSW_SP_PORT_MASK_WIDTH_2X | + MLXSW_SP_PORT_MASK_WIDTH_4X | + MLXSW_SP_PORT_MASK_WIDTH_8X, + .speed = SPEED_5000, + }, + { + .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_XFI_XAUI_1_10G, + .mask_ethtool = mlxsw_sp2_mask_ethtool_xfi_xaui_1_10g, + .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_XFI_XAUI_1_10G_LEN, + .mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X | + MLXSW_SP_PORT_MASK_WIDTH_2X | + MLXSW_SP_PORT_MASK_WIDTH_4X | + MLXSW_SP_PORT_MASK_WIDTH_8X, + .speed = SPEED_10000, + }, + { + .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_XLAUI_4_XLPPI_4_40G, + .mask_ethtool = mlxsw_sp2_mask_ethtool_xlaui_4_xlppi_4_40g, + .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_XLAUI_4_XLPPI_4_40G_LEN, + .mask_width = MLXSW_SP_PORT_MASK_WIDTH_4X | + MLXSW_SP_PORT_MASK_WIDTH_8X, + .speed = SPEED_40000, + }, + { + .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_25GAUI_1_25GBASE_CR_KR, + .mask_ethtool = mlxsw_sp2_mask_ethtool_25gaui_1_25gbase_cr_kr, + .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_25GAUI_1_25GBASE_CR_KR_LEN, + .mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X | + MLXSW_SP_PORT_MASK_WIDTH_2X | + MLXSW_SP_PORT_MASK_WIDTH_4X | + MLXSW_SP_PORT_MASK_WIDTH_8X, + .speed = SPEED_25000, + }, + { + .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_50GAUI_2_LAUI_2_50GBASE_CR2_KR2, + .mask_ethtool = mlxsw_sp2_mask_ethtool_50gaui_2_laui_2_50gbase_cr2_kr2, + .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_50GAUI_2_LAUI_2_50GBASE_CR2_KR2_LEN, + .mask_width = MLXSW_SP_PORT_MASK_WIDTH_2X | + MLXSW_SP_PORT_MASK_WIDTH_4X | + MLXSW_SP_PORT_MASK_WIDTH_8X, + .speed = SPEED_50000, + }, + { + .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_50GAUI_1_LAUI_1_50GBASE_CR_KR, + .mask_ethtool = mlxsw_sp2_mask_ethtool_50gaui_1_laui_1_50gbase_cr_kr, + .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_50GAUI_1_LAUI_1_50GBASE_CR_KR_LEN, + .mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X, + .speed = SPEED_50000, + }, + { + .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_CAUI_4_100GBASE_CR4_KR4, + .mask_ethtool = mlxsw_sp2_mask_ethtool_caui_4_100gbase_cr4_kr4, + .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_CAUI_4_100GBASE_CR4_KR4_LEN, + .mask_width = MLXSW_SP_PORT_MASK_WIDTH_4X | + MLXSW_SP_PORT_MASK_WIDTH_8X, + .speed = SPEED_100000, + }, + { + .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_100GAUI_2_100GBASE_CR2_KR2, + .mask_ethtool = mlxsw_sp2_mask_ethtool_100gaui_2_100gbase_cr2_kr2, + .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_100GAUI_2_100GBASE_CR2_KR2_LEN, + .mask_width = MLXSW_SP_PORT_MASK_WIDTH_2X, + .speed = SPEED_100000, + }, + { + .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_200GAUI_4_200GBASE_CR4_KR4, + .mask_ethtool = mlxsw_sp2_mask_ethtool_200gaui_4_200gbase_cr4_kr4, + .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_200GAUI_4_200GBASE_CR4_KR4_LEN, + .mask_width = MLXSW_SP_PORT_MASK_WIDTH_4X | + MLXSW_SP_PORT_MASK_WIDTH_8X, + .speed = SPEED_200000, + }, + { + .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_400GAUI_8, + .mask_ethtool = mlxsw_sp2_mask_ethtool_400gaui_8, + .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_400GAUI_8_LEN, + .mask_width = MLXSW_SP_PORT_MASK_WIDTH_8X, + .speed = SPEED_400000, + }, +}; + +#define MLXSW_SP2_PORT_LINK_MODE_LEN ARRAY_SIZE(mlxsw_sp2_port_link_mode) + +static void +mlxsw_sp2_from_ptys_supported_port(struct mlxsw_sp *mlxsw_sp, + u32 ptys_eth_proto, + struct ethtool_link_ksettings *cmd) +{ + ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE); + ethtool_link_ksettings_add_link_mode(cmd, supported, Backplane); +} + +static void +mlxsw_sp2_set_bit_ethtool(const struct mlxsw_sp2_port_link_mode *link_mode, + unsigned long *mode) +{ + int i; + + for (i = 0; i < link_mode->m_ethtool_len; i++) + __set_bit(link_mode->mask_ethtool[i], mode); +} + +static void +mlxsw_sp2_from_ptys_link(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto, + u8 width, unsigned long *mode) +{ + u8 mask_width = mlxsw_sp_port_mask_width_get(width); + int i; + + for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) { + if ((ptys_eth_proto & mlxsw_sp2_port_link_mode[i].mask) && + (mask_width & mlxsw_sp2_port_link_mode[i].mask_width)) + mlxsw_sp2_set_bit_ethtool(&mlxsw_sp2_port_link_mode[i], + mode); + } +} + +static u32 +mlxsw_sp2_from_ptys_speed(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto) +{ + int i; + + for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) { + if (ptys_eth_proto & mlxsw_sp2_port_link_mode[i].mask) + return mlxsw_sp2_port_link_mode[i].speed; + } + + return SPEED_UNKNOWN; +} + +static void +mlxsw_sp2_from_ptys_speed_duplex(struct mlxsw_sp *mlxsw_sp, bool carrier_ok, + u32 ptys_eth_proto, + struct ethtool_link_ksettings *cmd) +{ + cmd->base.speed = SPEED_UNKNOWN; + cmd->base.duplex = DUPLEX_UNKNOWN; + + if (!carrier_ok) + return; + + cmd->base.speed = mlxsw_sp2_from_ptys_speed(mlxsw_sp, ptys_eth_proto); + if (cmd->base.speed != SPEED_UNKNOWN) + cmd->base.duplex = DUPLEX_FULL; +} + +static bool +mlxsw_sp2_test_bit_ethtool(const struct mlxsw_sp2_port_link_mode *link_mode, + const unsigned long *mode) +{ + int cnt = 0; + int i; + + for (i = 0; i < link_mode->m_ethtool_len; i++) { + if (test_bit(link_mode->mask_ethtool[i], mode)) + cnt++; + } + + return cnt == link_mode->m_ethtool_len; +} + +static u32 +mlxsw_sp2_to_ptys_advert_link(struct mlxsw_sp *mlxsw_sp, u8 width, + const struct ethtool_link_ksettings *cmd) +{ + u8 mask_width = mlxsw_sp_port_mask_width_get(width); + u32 ptys_proto = 0; + int i; + + for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) { + if ((mask_width & mlxsw_sp2_port_link_mode[i].mask_width) && + mlxsw_sp2_test_bit_ethtool(&mlxsw_sp2_port_link_mode[i], + cmd->link_modes.advertising)) + ptys_proto |= mlxsw_sp2_port_link_mode[i].mask; + } + return ptys_proto; +} + +static u32 mlxsw_sp2_to_ptys_speed(struct mlxsw_sp *mlxsw_sp, + u8 width, u32 speed) +{ + u8 mask_width = mlxsw_sp_port_mask_width_get(width); + u32 ptys_proto = 0; + int i; + + for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) { + if ((speed == mlxsw_sp2_port_link_mode[i].speed) && + (mask_width & mlxsw_sp2_port_link_mode[i].mask_width)) + ptys_proto |= mlxsw_sp2_port_link_mode[i].mask; + } + return ptys_proto; +} + +static void +mlxsw_sp2_reg_ptys_eth_pack(struct mlxsw_sp *mlxsw_sp, char *payload, + u8 local_port, u32 proto_admin, + bool autoneg) +{ + mlxsw_reg_ptys_ext_eth_pack(payload, local_port, proto_admin, autoneg); +} + +static void +mlxsw_sp2_reg_ptys_eth_unpack(struct mlxsw_sp *mlxsw_sp, char *payload, + u32 *p_eth_proto_cap, u32 *p_eth_proto_admin, + u32 *p_eth_proto_oper) +{ + mlxsw_reg_ptys_ext_eth_unpack(payload, p_eth_proto_cap, + p_eth_proto_admin, p_eth_proto_oper); +} + +const struct mlxsw_sp_port_type_speed_ops mlxsw_sp2_port_type_speed_ops = { + .from_ptys_supported_port = mlxsw_sp2_from_ptys_supported_port, + .from_ptys_link = mlxsw_sp2_from_ptys_link, + .from_ptys_speed = mlxsw_sp2_from_ptys_speed, + .from_ptys_speed_duplex = mlxsw_sp2_from_ptys_speed_duplex, + .to_ptys_advert_link = mlxsw_sp2_to_ptys_advert_link, + .to_ptys_speed = mlxsw_sp2_to_ptys_speed, + .reg_ptys_eth_pack = mlxsw_sp2_reg_ptys_eth_pack, + .reg_ptys_eth_unpack = mlxsw_sp2_reg_ptys_eth_unpack, +}; From patchwork Sun Jun 7 14:59:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amit Cohen X-Patchwork-Id: 217952 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DF464C433E1 for ; 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dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=none action=none header.from=mellanox.com; Received: from AM0PR0502MB3826.eurprd05.prod.outlook.com (2603:10a6:208:1b::25) by AM0PR0502MB4003.eurprd05.prod.outlook.com (2603:10a6:208:2::26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3066.23; Sun, 7 Jun 2020 15:00:18 +0000 Received: from AM0PR0502MB3826.eurprd05.prod.outlook.com ([fe80::2dae:c2a2:c26a:f5b]) by AM0PR0502MB3826.eurprd05.prod.outlook.com ([fe80::2dae:c2a2:c26a:f5b%7]) with mapi id 15.20.3066.023; Sun, 7 Jun 2020 15:00:18 +0000 From: Amit Cohen To: netdev@vger.kernel.org Cc: davem@davemloft.net, kuba@kernel.org, corbet@lwn.net, jiri@mellanox.com, idosch@mellanox.com, shuah@kernel.org, mkubecek@suse.cz, gustavo@embeddedor.com, amitc@mellanox.com, cforno12@linux.vnet.ibm.com, andrew@lunn.ch, f.fainelli@gmail.com, linux@rempel-privat.de, alexandru.ardelean@analog.com, ayal@mellanox.com, petrm@mellanox.com, mlxsw@mellanox.com, liuhangbin@gmail.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [RFC PATCH net-next 05/10] Documentation: networking: ethtool-netlink: Add link extended state Date: Sun, 7 Jun 2020 17:59:40 +0300 Message-Id: <20200607145945.30559-6-amitc@mellanox.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200607145945.30559-1-amitc@mellanox.com> References: <20200607145945.30559-1-amitc@mellanox.com> X-ClientProxiedBy: AM0PR10CA0015.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:17c::25) To AM0PR0502MB3826.eurprd05.prod.outlook.com (2603:10a6:208:1b::25) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from dev-r-vrt-155.mtr.labs.mlnx (37.142.13.130) by AM0PR10CA0015.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:17c::25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3066.18 via Frontend Transport; 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Signed-off-by: Amit Cohen Reviewed-by: Petr Machata Reviewed-by: Jiri Pirko --- Documentation/networking/ethtool-netlink.rst | 56 ++++++++++++++++++-- 1 file changed, 52 insertions(+), 4 deletions(-) diff --git a/Documentation/networking/ethtool-netlink.rst b/Documentation/networking/ethtool-netlink.rst index 7e651ea33eab..4e4570ebbc4d 100644 --- a/Documentation/networking/ethtool-netlink.rst +++ b/Documentation/networking/ethtool-netlink.rst @@ -441,10 +441,11 @@ supports. LINKSTATE_GET ============= -Requests link state information. At the moment, only link up/down flag (as -provided by ``ETHTOOL_GLINK`` ioctl command) is provided but some future -extensions are planned (e.g. link down reason). This request does not have any -attributes. +Requests link state information. Link up/down flag (as provided by +``ETHTOOL_GLINK`` ioctl command) is provided. Optionally, extended state might +be provided as well. In general, extended state describes reasons for why a port +is down, or why it operates in some non-obvious mode. This request does not have +any attributes. Request contents: @@ -459,16 +460,63 @@ Kernel response contents: ``ETHTOOL_A_LINKSTATE_LINK`` bool link state (up/down) ``ETHTOOL_A_LINKSTATE_SQI`` u32 Current Signal Quality Index ``ETHTOOL_A_LINKSTATE_SQI_MAX`` u32 Max support SQI value + ``ETHTOOL_A_LINKSTATE_EXT_STATE`` u8 link extended state + ``ETHTOOL_A_LINKSTATE_EXT_SUBSTATE`` u8 link extended substate ==================================== ====== ============================ For most NIC drivers, the value of ``ETHTOOL_A_LINKSTATE_LINK`` returns carrier flag provided by ``netif_carrier_ok()`` but there are drivers which define their own handler. +``ETHTOOL_A_LINKSTATE_EXT_STATE`` and ``ETHTOOL_A_LINKSTATE_EXT_SUBSTATE`` are +optional values. ethtool core can provide either both +``ETHTOOL_A_LINKSTATE_EXT_STATE`` and ``ETHTOOL_A_LINKSTATE_EXT_SUBSTATE``, +or only ``ETHTOOL_A_LINKSTATE_EXT_STATE``, or none of them. + ``LINKSTATE_GET`` allows dump requests (kernel returns reply messages for all devices supporting the request). +Link extended states: + + ============================ ============================================= + ``Autoneg failure`` Failure during auto negotiation mechanism + + ``Link training failure`` Failure during link training + + ``Link logical mismatch`` Logical mismatch in physical coding sublayer + or forward error correction sublayer + + ``Bad signal integrity`` Signal integrity issues + + ``No cable`` No cable connected + + ``Cable issue`` Failure is related to cable, + e.g., unsupported cable + + ``EEPROM issue`` Failure is related to EEPROM, e.g., failure + during reading or parsing the data + + ``Calibration failure`` Failure during calibration algorithm + + ``Power budget exceeded`` The hardware is not able to provide the + power required from cable or module + + ``Overheat`` The module is overheated + ============================ ============================================= + +Many of the substates are obvious, or terms that someone working in the +particular area will be familiar with. The following table summarizes some +that are not: + +Link extended substates: + + ============================ ============================================= + ``Unsupported rate`` The system attempted to operate the cable at + a rate that is not formally supported, which + led to signal integrity issues + ============================ ============================================= + DEBUG_GET ========= From patchwork Sun Jun 7 14:59:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amit Cohen X-Patchwork-Id: 217950 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DD427C433DF for ; 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dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=none action=none header.from=mellanox.com; Received: from AM0PR0502MB3826.eurprd05.prod.outlook.com (2603:10a6:208:1b::25) by AM0PR0502MB4003.eurprd05.prod.outlook.com (2603:10a6:208:2::26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3066.23; Sun, 7 Jun 2020 15:00:25 +0000 Received: from AM0PR0502MB3826.eurprd05.prod.outlook.com ([fe80::2dae:c2a2:c26a:f5b]) by AM0PR0502MB3826.eurprd05.prod.outlook.com ([fe80::2dae:c2a2:c26a:f5b%7]) with mapi id 15.20.3066.023; Sun, 7 Jun 2020 15:00:25 +0000 From: Amit Cohen To: netdev@vger.kernel.org Cc: davem@davemloft.net, kuba@kernel.org, corbet@lwn.net, jiri@mellanox.com, idosch@mellanox.com, shuah@kernel.org, mkubecek@suse.cz, gustavo@embeddedor.com, amitc@mellanox.com, cforno12@linux.vnet.ibm.com, andrew@lunn.ch, f.fainelli@gmail.com, linux@rempel-privat.de, alexandru.ardelean@analog.com, ayal@mellanox.com, petrm@mellanox.com, mlxsw@mellanox.com, liuhangbin@gmail.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [RFC PATCH net-next 08/10] selftests: forwarding: ethtool: Move different_speeds_get() to ethtool_lib Date: Sun, 7 Jun 2020 17:59:43 +0300 Message-Id: <20200607145945.30559-9-amitc@mellanox.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200607145945.30559-1-amitc@mellanox.com> References: <20200607145945.30559-1-amitc@mellanox.com> X-ClientProxiedBy: AM0PR10CA0015.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:17c::25) To AM0PR0502MB3826.eurprd05.prod.outlook.com (2603:10a6:208:1b::25) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from dev-r-vrt-155.mtr.labs.mlnx (37.142.13.130) by AM0PR10CA0015.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:17c::25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3066.18 via Frontend Transport; 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PTR:; CAT:NONE; SFTY:; SFS:(4636009)(396003)(376002)(366004)(346002)(136003)(39860400002)(66476007)(66946007)(66556008)(1076003)(186003)(8936002)(16526019)(26005)(52116002)(478600001)(6506007)(36756003)(2906002)(6666004)(7416002)(5660300002)(8676002)(4326008)(83380400001)(6486002)(316002)(86362001)(6916009)(2616005)(956004)(6512007); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: HWw0iusJK412sJb3Fu2sduf8qJLvrjHO1nsAkXiielX4l6uPmeoyFh8n9MA0O3sY5txFOt08myrb108crfnTzW8wzQgviACNiy2zJF9riZDRzluBrShWLhjyrF2j/BQdnAhnmVchz6n9VlEl8h7YMJCJ8FWffvb5QjhgpaNf8wRBIu3Z8e9lVbpPwjoNwZgUYijnaLJstldkdoXVAlDgexBN+zEzk/zdOeZ8KO2tmwegeT9aEX7ycgtpdoiM4SWSsEH+XaWOk7JAOtOL/BLI7F36AVOhHGkPHR95D9kQv0XFiUNxHuBv4+m59M3aLzQGfSQdA9J2sF2GuRhloPBsD5ZamATL63ruRDRotEg4/tB7l7AVGK0q+nUfZ44ggctl/hZvhz7iSal1Af8FYYymXF5EuSzGWAxA5GVjY4rRu6T9nXR0+eHD9iLv9fttpdi3C9Sq179ocXdJMN/M2Gzf//KTnYNONB9Rhg3Ge0pxHeI= X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: 571f42b5-f637-46f0-7ebd-08d80af381ee X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Jun 2020 15:00:24.9075 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: hl3F7CNOJ4jflwgWuw3JZTm5/KcapHlWJiAROPMjGN0yB+Cve/i9UTY/zq6Pf8cPTtVqs3KX7zjgkN0nC7DMGg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR0502MB4003 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Currently different_speeds_get() is used only by ethtool.sh tests. The function can be useful for another tests that check ethtool configurations. Move the function to ethtool_lib in order to allow other tests to use it. Signed-off-by: Amit Cohen Reviewed-by: Petr Machata --- .../testing/selftests/net/forwarding/ethtool.sh | 17 ----------------- .../selftests/net/forwarding/ethtool_lib.sh | 17 +++++++++++++++++ 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/tools/testing/selftests/net/forwarding/ethtool.sh b/tools/testing/selftests/net/forwarding/ethtool.sh index eb8e2a23bbb4..ea7a11a9f788 100755 --- a/tools/testing/selftests/net/forwarding/ethtool.sh +++ b/tools/testing/selftests/net/forwarding/ethtool.sh @@ -50,23 +50,6 @@ cleanup() h1_destroy } -different_speeds_get() -{ - local dev1=$1; shift - local dev2=$1; shift - local with_mode=$1; shift - local adver=$1; shift - - local -a speeds_arr - - speeds_arr=($(common_speeds_get $dev1 $dev2 $with_mode $adver)) - if [[ ${#speeds_arr[@]} < 2 ]]; then - check_err 1 "cannot check different speeds. There are not enough speeds" - fi - - echo ${speeds_arr[0]} ${speeds_arr[1]} -} - same_speeds_autoneg_off() { # Check that when each of the reported speeds is forced, the links come diff --git a/tools/testing/selftests/net/forwarding/ethtool_lib.sh b/tools/testing/selftests/net/forwarding/ethtool_lib.sh index 925d229a59d8..9188e624dec0 100644 --- a/tools/testing/selftests/net/forwarding/ethtool_lib.sh +++ b/tools/testing/selftests/net/forwarding/ethtool_lib.sh @@ -67,3 +67,20 @@ common_speeds_get() <(printf '%s\n' "${dev1_speeds[@]}" | sort -u) \ <(printf '%s\n' "${dev2_speeds[@]}" | sort -u) } + +different_speeds_get() +{ + local dev1=$1; shift + local dev2=$1; shift + local with_mode=$1; shift + local adver=$1; shift + + local -a speeds_arr + + speeds_arr=($(common_speeds_get $dev1 $dev2 $with_mode $adver)) + if [[ ${#speeds_arr[@]} < 2 ]]; then + check_err 1 "cannot check different speeds. There are not enough speeds" + fi + + echo ${speeds_arr[0]} ${speeds_arr[1]} +} From patchwork Sun Jun 7 14:59:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amit Cohen X-Patchwork-Id: 217951 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 786F0C433E1 for ; Sun, 7 Jun 2020 15:00:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4F2852076A for ; Sun, 7 Jun 2020 15:00:59 +0000 (UTC) Authentication-Results: mail.kernel.org; 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dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=none action=none header.from=mellanox.com; Received: from AM0PR0502MB3826.eurprd05.prod.outlook.com (2603:10a6:208:1b::25) by AM0PR0502MB4003.eurprd05.prod.outlook.com (2603:10a6:208:2::26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3066.23; Sun, 7 Jun 2020 15:00:27 +0000 Received: from AM0PR0502MB3826.eurprd05.prod.outlook.com ([fe80::2dae:c2a2:c26a:f5b]) by AM0PR0502MB3826.eurprd05.prod.outlook.com ([fe80::2dae:c2a2:c26a:f5b%7]) with mapi id 15.20.3066.023; Sun, 7 Jun 2020 15:00:27 +0000 From: Amit Cohen To: netdev@vger.kernel.org Cc: davem@davemloft.net, kuba@kernel.org, corbet@lwn.net, jiri@mellanox.com, idosch@mellanox.com, shuah@kernel.org, mkubecek@suse.cz, gustavo@embeddedor.com, amitc@mellanox.com, cforno12@linux.vnet.ibm.com, andrew@lunn.ch, f.fainelli@gmail.com, linux@rempel-privat.de, alexandru.ardelean@analog.com, ayal@mellanox.com, petrm@mellanox.com, mlxsw@mellanox.com, liuhangbin@gmail.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [RFC PATCH net-next 09/10] selftests: forwarding: forwarding.config.sample: Add port with no cable connected Date: Sun, 7 Jun 2020 17:59:44 +0300 Message-Id: <20200607145945.30559-10-amitc@mellanox.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200607145945.30559-1-amitc@mellanox.com> References: <20200607145945.30559-1-amitc@mellanox.com> X-ClientProxiedBy: AM0PR10CA0015.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:17c::25) To AM0PR0502MB3826.eurprd05.prod.outlook.com (2603:10a6:208:1b::25) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from dev-r-vrt-155.mtr.labs.mlnx (37.142.13.130) by AM0PR10CA0015.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:17c::25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3066.18 via Frontend Transport; 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The port can also be declared as an environment variable and tests can be run like that: NETIF_NO_CABLE=eth9 ./test.sh eth{1..8} The NETIF_NO_CABLE port will be used by ethtool_extended_state test. Signed-off-by: Amit Cohen Reviewed-by: Petr Machata --- .../testing/selftests/net/forwarding/forwarding.config.sample | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/testing/selftests/net/forwarding/forwarding.config.sample b/tools/testing/selftests/net/forwarding/forwarding.config.sample index e2adb533c8fc..b802c14d2950 100644 --- a/tools/testing/selftests/net/forwarding/forwarding.config.sample +++ b/tools/testing/selftests/net/forwarding/forwarding.config.sample @@ -14,6 +14,9 @@ NETIFS[p6]=veth5 NETIFS[p7]=veth6 NETIFS[p8]=veth7 +# Port that does not have a cable connected. +NETIF_NO_CABLE=eth8 + ############################################################################## # Defines