// SPDX-License-Identifier: GPL-2.0 /* Texas Instruments K3 AM65 Ethernet Switch SubSystem Driver ethtool ops * * Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/ * */ #include #include #include #include #include "am65-cpsw-nuss.h" #include "am65-cpsw-qos.h" #include "cpsw_ale.h" #include "am65-cpts.h" #define AM65_CPSW_REGDUMP_VER 0x1 enum { AM65_CPSW_REGDUMP_MOD_NUSS = 1, AM65_CPSW_REGDUMP_MOD_RGMII_STATUS = 2, AM65_CPSW_REGDUMP_MOD_MDIO = 3, AM65_CPSW_REGDUMP_MOD_CPSW = 4, AM65_CPSW_REGDUMP_MOD_CPSW_P0 = 5, AM65_CPSW_REGDUMP_MOD_CPSW_P1 = 6, AM65_CPSW_REGDUMP_MOD_CPSW_CPTS = 7, AM65_CPSW_REGDUMP_MOD_CPSW_ALE = 8, AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL = 9, AM65_CPSW_REGDUMP_MOD_LAST, }; /** * struct am65_cpsw_regdump_hdr - regdump record header * * @module_id: CPSW module ID * @len: CPSW module registers space length in u32 */ struct am65_cpsw_regdump_hdr { u32 module_id; u32 len; }; /** * struct am65_cpsw_regdump_item - regdump module description * * @hdr: CPSW module header * @start_ofs: CPSW module registers start addr * @end_ofs: CPSW module registers end addr * * Registers dump provided in the format: * u32 : module ID * u32 : dump length * u32[..len]: registers values */ struct am65_cpsw_regdump_item { struct am65_cpsw_regdump_hdr hdr; u32 start_ofs; u32 end_ofs; }; #define AM65_CPSW_REGDUMP_REC(mod, start, end) { \ .hdr.module_id = (mod), \ .hdr.len = (end + 4 - start) * 2 + \ sizeof(struct am65_cpsw_regdump_hdr), \ .start_ofs = (start), \ .end_ofs = end, \ } static const struct am65_cpsw_regdump_item am65_cpsw_regdump[] = { AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_NUSS, 0x0, 0x1c), AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_RGMII_STATUS, 0x30, 0x4c), AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_MDIO, 0xf00, 0xffc), AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW, 0x20000, 0x2011c), AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_P0, 0x21000, 0x21320), AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_P1, 0x22000, 0x223a4), AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_CPTS, 0x3d000, 0x3d048), AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_ALE, 0x3e000, 0x3e13c), AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL, 0, 0), }; struct am65_cpsw_stats_regs { u32 rx_good_frames; u32 rx_broadcast_frames; u32 rx_multicast_frames; u32 rx_pause_frames; /* slave */ u32 rx_crc_errors; u32 rx_align_code_errors; /* slave */ u32 rx_oversized_frames; u32 rx_jabber_frames; /* slave */ u32 rx_undersized_frames; u32 rx_fragments; /* slave */ u32 ale_drop; u32 ale_overrun_drop; u32 rx_octets; u32 tx_good_frames; u32 tx_broadcast_frames; u32 tx_multicast_frames; u32 tx_pause_frames; /* slave */ u32 tx_deferred_frames; /* slave */ u32 tx_collision_frames; /* slave */ u32 tx_single_coll_frames; /* slave */ u32 tx_mult_coll_frames; /* slave */ u32 tx_excessive_collisions; /* slave */ u32 tx_late_collisions; /* slave */ u32 rx_ipg_error; /* slave 10G only */ u32 tx_carrier_sense_errors; /* slave */ u32 tx_octets; u32 tx_64B_frames; u32 tx_65_to_127B_frames; u32 tx_128_to_255B_frames; u32 tx_256_to_511B_frames; u32 tx_512_to_1023B_frames; u32 tx_1024B_frames; u32 net_octets; u32 rx_bottom_fifo_drop; u32 rx_port_mask_drop; u32 rx_top_fifo_drop; u32 ale_rate_limit_drop; u32 ale_vid_ingress_drop; u32 ale_da_eq_sa_drop; u32 ale_block_drop; /* K3 */ u32 ale_secure_drop; /* K3 */ u32 ale_auth_drop; /* K3 */ u32 ale_unknown_ucast; u32 ale_unknown_ucast_bytes; u32 ale_unknown_mcast; u32 ale_unknown_mcast_bytes; u32 ale_unknown_bcast; u32 ale_unknown_bcast_bytes; u32 ale_pol_match; u32 ale_pol_match_red; u32 ale_pol_match_yellow; u32 ale_mcast_sa_drop; /* K3 */ u32 ale_dual_vlan_drop; /* K3 */ u32 ale_len_err_drop; /* K3 */ u32 ale_ip_next_hdr_drop; /* K3 */ u32 ale_ipv4_frag_drop; /* K3 */ u32 __rsvd_1[24]; u32 iet_rx_assembly_err; /* K3 slave */ u32 iet_rx_assembly_ok; /* K3 slave */ u32 iet_rx_smd_err; /* K3 slave */ u32 iet_rx_frag; /* K3 slave */ u32 iet_tx_hold; /* K3 slave */ u32 iet_tx_frag; /* K3 slave */ u32 __rsvd_2[9]; u32 tx_mem_protect_err; /* following NU only */ u32 tx_pri0; u32 tx_pri1; u32 tx_pri2; u32 tx_pri3; u32 tx_pri4; u32 tx_pri5; u32 tx_pri6; u32 tx_pri7; u32 tx_pri0_bcnt; u32 tx_pri1_bcnt; u32 tx_pri2_bcnt; u32 tx_pri3_bcnt; u32 tx_pri4_bcnt; u32 tx_pri5_bcnt; u32 tx_pri6_bcnt; u32 tx_pri7_bcnt; u32 tx_pri0_drop; u32 tx_pri1_drop; u32 tx_pri2_drop; u32 tx_pri3_drop; u32 tx_pri4_drop; u32 tx_pri5_drop; u32 tx_pri6_drop; u32 tx_pri7_drop; u32 tx_pri0_drop_bcnt; u32 tx_pri1_drop_bcnt; u32 tx_pri2_drop_bcnt; u32 tx_pri3_drop_bcnt; u32 tx_pri4_drop_bcnt; u32 tx_pri5_drop_bcnt; u32 tx_pri6_drop_bcnt; u32 tx_pri7_drop_bcnt; }; struct am65_cpsw_ethtool_stat { char desc[ETH_GSTRING_LEN]; int offset; }; #define AM65_CPSW_STATS(prefix, field) \ { \ #prefix#field, \ offsetof(struct am65_cpsw_stats_regs, field) \ } static const struct am65_cpsw_ethtool_stat am65_host_stats[] = { AM65_CPSW_STATS(p0_, rx_good_frames), AM65_CPSW_STATS(p0_, rx_broadcast_frames), AM65_CPSW_STATS(p0_, rx_multicast_frames), AM65_CPSW_STATS(p0_, rx_crc_errors), AM65_CPSW_STATS(p0_, rx_oversized_frames), AM65_CPSW_STATS(p0_, rx_undersized_frames), AM65_CPSW_STATS(p0_, ale_drop), AM65_CPSW_STATS(p0_, ale_overrun_drop), AM65_CPSW_STATS(p0_, rx_octets), AM65_CPSW_STATS(p0_, tx_good_frames), AM65_CPSW_STATS(p0_, tx_broadcast_frames), AM65_CPSW_STATS(p0_, tx_multicast_frames), AM65_CPSW_STATS(p0_, tx_octets), AM65_CPSW_STATS(p0_, tx_64B_frames), AM65_CPSW_STATS(p0_, tx_65_to_127B_frames), AM65_CPSW_STATS(p0_, tx_128_to_255B_frames), AM65_CPSW_STATS(p0_, tx_256_to_511B_frames), AM65_CPSW_STATS(p0_, tx_512_to_1023B_frames), AM65_CPSW_STATS(p0_, tx_1024B_frames), AM65_CPSW_STATS(p0_, net_octets), AM65_CPSW_STATS(p0_, rx_bottom_fifo_drop), AM65_CPSW_STATS(p0_, rx_port_mask_drop), AM65_CPSW_STATS(p0_, rx_top_fifo_drop), AM65_CPSW_STATS(p0_, ale_rate_limit_drop), AM65_CPSW_STATS(p0_, ale_vid_ingress_drop), AM65_CPSW_STATS(p0_, ale_da_eq_sa_drop), AM65_CPSW_STATS(p0_, ale_block_drop), AM65_CPSW_STATS(p0_, ale_secure_drop), AM65_CPSW_STATS(p0_, ale_auth_drop), AM65_CPSW_STATS(p0_, ale_unknown_ucast), AM65_CPSW_STATS(p0_, ale_unknown_ucast_bytes), AM65_CPSW_STATS(p0_, ale_unknown_mcast), AM65_CPSW_STATS(p0_, ale_unknown_mcast_bytes), AM65_CPSW_STATS(p0_, ale_unknown_bcast), AM65_CPSW_STATS(p0_, ale_unknown_bcast_bytes), AM65_CPSW_STATS(p0_, ale_pol_match), AM65_CPSW_STATS(p0_, ale_pol_match_red), AM65_CPSW_STATS(p0_, ale_pol_match_yellow), AM65_CPSW_STATS(p0_, ale_mcast_sa_drop), AM65_CPSW_STATS(p0_, ale_dual_vlan_drop), AM65_CPSW_STATS(p0_, ale_len_err_drop), AM65_CPSW_STATS(p0_, ale_ip_next_hdr_drop), AM65_CPSW_STATS(p0_, ale_ipv4_frag_drop), AM65_CPSW_STATS(p0_, tx_mem_protect_err), AM65_CPSW_STATS(p0_, tx_pri0), AM65_CPSW_STATS(p0_, tx_pri1), AM65_CPSW_STATS(p0_, tx_pri2), AM65_CPSW_STATS(p0_, tx_pri3), AM65_CPSW_STATS(p0_, tx_pri4), AM65_CPSW_STATS(p0_, tx_pri5), AM65_CPSW_STATS(p0_, tx_pri6), AM65_CPSW_STATS(p0_, tx_pri7), AM65_CPSW_STATS(p0_, tx_pri0_bcnt), AM65_CPSW_STATS(p0_, tx_pri1_bcnt), AM65_CPSW_STATS(p0_, tx_pri2_bcnt), AM65_CPSW_STATS(p0_, tx_pri3_bcnt), AM65_CPSW_STATS(p0_, tx_pri4_bcnt), AM65_CPSW_STATS(p0_, tx_pri5_bcnt), AM65_CPSW_STATS(p0_, tx_pri6_bcnt), AM65_CPSW_STATS(p0_, tx_pri7_bcnt), AM65_CPSW_STATS(p0_, tx_pri0_drop), AM65_CPSW_STATS(p0_, tx_pri1_drop), AM65_CPSW_STATS(p0_, tx_pri2_drop), AM65_CPSW_STATS(p0_, tx_pri3_drop), AM65_CPSW_STATS(p0_, tx_pri4_drop), AM65_CPSW_STATS(p0_, tx_pri5_drop), AM65_CPSW_STATS(p0_, tx_pri6_drop), AM65_CPSW_STATS(p0_, tx_pri7_drop), AM65_CPSW_STATS(p0_, tx_pri0_drop_bcnt), AM65_CPSW_STATS(p0_, tx_pri1_drop_bcnt), AM65_CPSW_STATS(p0_, tx_pri2_drop_bcnt), AM65_CPSW_STATS(p0_, tx_pri3_drop_bcnt), AM65_CPSW_STATS(p0_, tx_pri4_drop_bcnt), AM65_CPSW_STATS(p0_, tx_pri5_drop_bcnt), AM65_CPSW_STATS(p0_, tx_pri6_drop_bcnt), AM65_CPSW_STATS(p0_, tx_pri7_drop_bcnt), }; static const struct am65_cpsw_ethtool_stat am65_slave_stats[] = { AM65_CPSW_STATS(, rx_good_frames), AM65_CPSW_STATS(, rx_broadcast_frames), AM65_CPSW_STATS(, rx_multicast_frames), AM65_CPSW_STATS(, rx_pause_frames), AM65_CPSW_STATS(, rx_crc_errors), AM65_CPSW_STATS(, rx_align_code_errors), AM65_CPSW_STATS(, rx_oversized_frames), AM65_CPSW_STATS(, rx_jabber_frames), AM65_CPSW_STATS(, rx_undersized_frames), AM65_CPSW_STATS(, rx_fragments), AM65_CPSW_STATS(, ale_drop), AM65_CPSW_STATS(, ale_overrun_drop), AM65_CPSW_STATS(, rx_octets), AM65_CPSW_STATS(, tx_good_frames), AM65_CPSW_STATS(, tx_broadcast_frames), AM65_CPSW_STATS(, tx_multicast_frames), AM65_CPSW_STATS(, tx_pause_frames), AM65_CPSW_STATS(, tx_deferred_frames), AM65_CPSW_STATS(, tx_collision_frames), AM65_CPSW_STATS(, tx_single_coll_frames), AM65_CPSW_STATS(, tx_mult_coll_frames), AM65_CPSW_STATS(, tx_excessive_collisions), AM65_CPSW_STATS(, tx_late_collisions), AM65_CPSW_STATS(, rx_ipg_error), AM65_CPSW_STATS(, tx_carrier_sense_errors), AM65_CPSW_STATS(, tx_octets), AM65_CPSW_STATS(, tx_64B_frames), AM65_CPSW_STATS(, tx_65_to_127B_frames), AM65_CPSW_STATS(, tx_128_to_255B_frames), AM65_CPSW_STATS(, tx_256_to_511B_frames), AM65_CPSW_STATS(, tx_512_to_1023B_frames), AM65_CPSW_STATS(, tx_1024B_frames), AM65_CPSW_STATS(, net_octets), AM65_CPSW_STATS(, rx_bottom_fifo_drop), AM65_CPSW_STATS(, rx_port_mask_drop), AM65_CPSW_STATS(, rx_top_fifo_drop), AM65_CPSW_STATS(, ale_rate_limit_drop), AM65_CPSW_STATS(, ale_vid_ingress_drop), AM65_CPSW_STATS(, ale_da_eq_sa_drop), AM65_CPSW_STATS(, ale_block_drop), AM65_CPSW_STATS(, ale_secure_drop), AM65_CPSW_STATS(, ale_auth_drop), AM65_CPSW_STATS(, ale_unknown_ucast), AM65_CPSW_STATS(, ale_unknown_ucast_bytes), AM65_CPSW_STATS(, ale_unknown_mcast), AM65_CPSW_STATS(, ale_unknown_mcast_bytes), AM65_CPSW_STATS(, ale_unknown_bcast), AM65_CPSW_STATS(, ale_unknown_bcast_bytes), AM65_CPSW_STATS(, ale_pol_match), AM65_CPSW_STATS(, ale_pol_match_red), AM65_CPSW_STATS(, ale_pol_match_yellow), AM65_CPSW_STATS(, ale_mcast_sa_drop), AM65_CPSW_STATS(, ale_dual_vlan_drop), AM65_CPSW_STATS(, ale_len_err_drop), AM65_CPSW_STATS(, ale_ip_next_hdr_drop), AM65_CPSW_STATS(, ale_ipv4_frag_drop), AM65_CPSW_STATS(, iet_rx_assembly_err), AM65_CPSW_STATS(, iet_rx_assembly_ok), AM65_CPSW_STATS(, iet_rx_smd_err), AM65_CPSW_STATS(, iet_rx_frag), AM65_CPSW_STATS(, iet_tx_hold), AM65_CPSW_STATS(, iet_tx_frag), AM65_CPSW_STATS(, tx_mem_protect_err), AM65_CPSW_STATS(, tx_pri0), AM65_CPSW_STATS(, tx_pri1), AM65_CPSW_STATS(, tx_pri2), AM65_CPSW_STATS(, tx_pri3), AM65_CPSW_STATS(, tx_pri4), AM65_CPSW_STATS(, tx_pri5), AM65_CPSW_STATS(, tx_pri6), AM65_CPSW_STATS(, tx_pri7), AM65_CPSW_STATS(, tx_pri0_bcnt), AM65_CPSW_STATS(, tx_pri1_bcnt), AM65_CPSW_STATS(, tx_pri2_bcnt), AM65_CPSW_STATS(, tx_pri3_bcnt), AM65_CPSW_STATS(, tx_pri4_bcnt), AM65_CPSW_STATS(, tx_pri5_bcnt), AM65_CPSW_STATS(, tx_pri6_bcnt), AM65_CPSW_STATS(, tx_pri7_bcnt), AM65_CPSW_STATS(, tx_pri0_drop), AM65_CPSW_STATS(, tx_pri1_drop), AM65_CPSW_STATS(, tx_pri2_drop), AM65_CPSW_STATS(, tx_pri3_drop), AM65_CPSW_STATS(, tx_pri4_drop), AM65_CPSW_STATS(, tx_pri5_drop), AM65_CPSW_STATS(, tx_pri6_drop), AM65_CPSW_STATS(, tx_pri7_drop), AM65_CPSW_STATS(, tx_pri0_drop_bcnt), AM65_CPSW_STATS(, tx_pri1_drop_bcnt), AM65_CPSW_STATS(, tx_pri2_drop_bcnt), AM65_CPSW_STATS(, tx_pri3_drop_bcnt), AM65_CPSW_STATS(, tx_pri4_drop_bcnt), AM65_CPSW_STATS(, tx_pri5_drop_bcnt), AM65_CPSW_STATS(, tx_pri6_drop_bcnt), AM65_CPSW_STATS(, tx_pri7_drop_bcnt), }; /* Ethtool priv_flags */ static const char am65_cpsw_ethtool_priv_flags[][ETH_GSTRING_LEN] = { #define AM65_CPSW_PRIV_P0_RX_PTYPE_RROBIN BIT(0) "p0-rx-ptype-rrobin", }; static int am65_cpsw_ethtool_op_begin(struct net_device *ndev) { struct am65_cpsw_common *common = am65_ndev_to_common(ndev); int ret; ret = pm_runtime_resume_and_get(common->dev); if (ret < 0) dev_err(common->dev, "ethtool begin failed %d\n", ret); return ret; } static void am65_cpsw_ethtool_op_complete(struct net_device *ndev) { struct am65_cpsw_common *common = am65_ndev_to_common(ndev); int ret; ret = pm_runtime_put(common->dev); if (ret < 0 && ret != -EBUSY) dev_err(common->dev, "ethtool complete failed %d\n", ret); } static void am65_cpsw_get_drvinfo(struct net_device *ndev, struct ethtool_drvinfo *info) { struct am65_cpsw_common *common = am65_ndev_to_common(ndev); strscpy(info->driver, dev_driver_string(common->dev), sizeof(info->driver)); strscpy(info->bus_info, dev_name(common->dev), sizeof(info->bus_info)); } static u32 am65_cpsw_get_msglevel(struct net_device *ndev) { struct am65_cpsw_ndev_priv *priv = am65_ndev_to_priv(ndev); return priv->msg_enable; } static void am65_cpsw_set_msglevel(struct net_device *ndev, u32 value) { struct am65_cpsw_ndev_priv *priv = am65_ndev_to_priv(ndev); priv->msg_enable = value; } static void am65_cpsw_get_channels(struct net_device *ndev, struct ethtool_channels *ch) { struct am65_cpsw_common *common = am65_ndev_to_common(ndev); ch->max_rx = AM65_CPSW_MAX_RX_QUEUES; ch->max_tx = AM65_CPSW_MAX_TX_QUEUES; ch->rx_count = AM65_CPSW_MAX_RX_QUEUES; ch->tx_count = common->tx_ch_num; } static int am65_cpsw_set_channels(struct net_device *ndev, struct ethtool_channels *chs) { struct am65_cpsw_common *common = am65_ndev_to_common(ndev); if (!chs->rx_count || !chs->tx_count) return -EINVAL; /* Check if interface is up. Can change the num queues when * the interface is down. */ if (common->usage_count) return -EBUSY; am65_cpsw_nuss_remove_tx_chns(common); return am65_cpsw_nuss_update_tx_chns(common, chs->tx_count); } static void am65_cpsw_get_ringparam(struct net_device *ndev, struct ethtool_ringparam *ering, struct kernel_ethtool_ringparam *kernel_ering, struct netlink_ext_ack *extack) { struct am65_cpsw_common *common = am65_ndev_to_common(ndev); /* not supported */ ering->tx_pending = common->tx_chns[0].descs_num; ering->rx_pending = common->rx_chns.descs_num; } static void am65_cpsw_get_pauseparam(struct net_device *ndev, struct ethtool_pauseparam *pause) { struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); phylink_ethtool_get_pauseparam(salve->phylink, pause); } static int am65_cpsw_set_pauseparam(struct net_device *ndev, struct ethtool_pauseparam *pause) { struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); return phylink_ethtool_set_pauseparam(salve->phylink, pause); } static void am65_cpsw_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) { struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); phylink_ethtool_get_wol(salve->phylink, wol); } static int am65_cpsw_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) { struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); return phylink_ethtool_set_wol(salve->phylink, wol); } static int am65_cpsw_get_link_ksettings(struct net_device *ndev, struct ethtool_link_ksettings *ecmd) { struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); return phylink_ethtool_ksettings_get(salve->phylink, ecmd); } static int am65_cpsw_set_link_ksettings(struct net_device *ndev, const struct ethtool_link_ksettings *ecmd) { struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); return phylink_ethtool_ksettings_set(salve->phylink, ecmd); } static int am65_cpsw_get_eee(struct net_device *ndev, struct ethtool_eee *edata) { struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); return phylink_ethtool_get_eee(salve->phylink, edata); } static int am65_cpsw_set_eee(struct net_device *ndev, struct ethtool_eee *edata) { struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); return phylink_ethtool_set_eee(salve->phylink, edata); } static int am65_cpsw_nway_reset(struct net_device *ndev) { struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev); return phylink_ethtool_nway_reset(salve->phylink); } static int am65_cpsw_get_regs_len(struct net_device *ndev) { struct am65_cpsw_common *common = am65_ndev_to_common(ndev); u32 ale_entries, i, regdump_len = 0; ale_entries = cpsw_ale_get_num_entries(common->ale); for (i = 0; i < ARRAY_SIZE(am65_cpsw_regdump); i++) { if (am65_cpsw_regdump[i].hdr.module_id == AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL) { regdump_len += sizeof(struct am65_cpsw_regdump_hdr); regdump_len += ale_entries * ALE_ENTRY_WORDS * sizeof(u32); continue; } regdump_len += am65_cpsw_regdump[i].hdr.len; } return regdump_len; } static void am65_cpsw_get_regs(struct net_device *ndev, struct ethtool_regs *regs, void *p) { struct am65_cpsw_common *common = am65_ndev_to_common(ndev); u32 ale_entries, i, j, pos, *reg = p; /* update CPSW IP version */ regs->version = AM65_CPSW_REGDUMP_VER; ale_entries = cpsw_ale_get_num_entries(common->ale); pos = 0; for (i = 0; i < ARRAY_SIZE(am65_cpsw_regdump); i++) { reg[pos++] = am65_cpsw_regdump[i].hdr.module_id; if (am65_cpsw_regdump[i].hdr.module_id == AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL) { u32 ale_tbl_len = ale_entries * ALE_ENTRY_WORDS * sizeof(u32) + sizeof(struct am65_cpsw_regdump_hdr); reg[pos++] = ale_tbl_len; cpsw_ale_dump(common->ale, ®[pos]); pos += ale_tbl_len; continue; } reg[pos++] = am65_cpsw_regdump[i].hdr.len; j = am65_cpsw_regdump[i].start_ofs; do { reg[pos++] = j; reg[pos++] = readl_relaxed(common->ss_base + j); j += sizeof(u32); } while (j <= am65_cpsw_regdump[i].end_ofs); } } static int am65_cpsw_get_sset_count(struct net_device *ndev, int sset) { switch (sset) { case ETH_SS_STATS: return ARRAY_SIZE(am65_host_stats) + ARRAY_SIZE(am65_slave_stats); case ETH_SS_PRIV_FLAGS: return ARRAY_SIZE(am65_cpsw_ethtool_priv_flags); default: return -EOPNOTSUPP; } } static void am65_cpsw_get_strings(struct net_device *ndev, u32 stringset, u8 *data) { const struct am65_cpsw_ethtool_stat *hw_stats; u32 i, num_stats; u8 *p = data; switch (stringset) { case ETH_SS_STATS: num_stats = ARRAY_SIZE(am65_host_stats); hw_stats = am65_host_stats; for (i = 0; i < num_stats; i++) { memcpy(p, hw_stats[i].desc, ETH_GSTRING_LEN); p += ETH_GSTRING_LEN; } num_stats = ARRAY_SIZE(am65_slave_stats); hw_stats = am65_slave_stats; for (i = 0; i < num_stats; i++) { memcpy(p, hw_stats[i].desc, ETH_GSTRING_LEN); p += ETH_GSTRING_LEN; } break; case ETH_SS_PRIV_FLAGS: num_stats = ARRAY_SIZE(am65_cpsw_ethtool_priv_flags); for (i = 0; i < num_stats; i++) { memcpy(p, am65_cpsw_ethtool_priv_flags[i], ETH_GSTRING_LEN); p += ETH_GSTRING_LEN; } break; } } static void am65_cpsw_get_ethtool_stats(struct net_device *ndev, struct ethtool_stats *stats, u64 *data) { struct am65_cpsw_common *common = am65_ndev_to_common(ndev); const struct am65_cpsw_ethtool_stat *hw_stats; struct am65_cpsw_host *host_p; struct am65_cpsw_port *port; u32 i, num_stats; host_p = am65_common_get_host(common); port = am65_ndev_to_port(ndev); num_stats = ARRAY_SIZE(am65_host_stats); hw_stats = am65_host_stats; for (i = 0; i < num_stats; i++) *data++ = readl_relaxed(host_p->stat_base + hw_stats[i].offset); num_stats = ARRAY_SIZE(am65_slave_stats); hw_stats = am65_slave_stats; for (i = 0; i < num_stats; i++) *data++ = readl_relaxed(port->stat_base + hw_stats[i].offset); } static void am65_cpsw_get_eth_mac_stats(struct net_device *ndev, struct ethtool_eth_mac_stats *s) { struct am65_cpsw_port *port = am65_ndev_to_port(ndev); struct am65_cpsw_stats_regs __iomem *stats; stats = port->stat_base; if (s->src != ETHTOOL_MAC_STATS_SRC_AGGREGATE) return; s->FramesTransmittedOK = readl_relaxed(&stats->tx_good_frames); s->SingleCollisionFrames = readl_relaxed(&stats->tx_single_coll_frames); s->MultipleCollisionFrames = readl_relaxed(&stats->tx_mult_coll_frames); s->FramesReceivedOK = readl_relaxed(&stats->rx_good_frames); s->FrameCheckSequenceErrors = readl_relaxed(&stats->rx_crc_errors); s->AlignmentErrors = readl_relaxed(&stats->rx_align_code_errors); s->OctetsTransmittedOK = readl_relaxed(&stats->tx_octets); s->FramesWithDeferredXmissions = readl_relaxed(&stats->tx_deferred_frames); s->LateCollisions = readl_relaxed(&stats->tx_late_collisions); s->CarrierSenseErrors = readl_relaxed(&stats->tx_carrier_sense_errors); s->OctetsReceivedOK = readl_relaxed(&stats->rx_octets); s->MulticastFramesXmittedOK = readl_relaxed(&stats->tx_multicast_frames); s->BroadcastFramesXmittedOK = readl_relaxed(&stats->tx_broadcast_frames); s->MulticastFramesReceivedOK = readl_relaxed(&stats->rx_multicast_frames); s->BroadcastFramesReceivedOK = readl_relaxed(&stats->rx_broadcast_frames); }; static int am65_cpsw_get_ethtool_ts_info(struct net_device *ndev, struct ethtool_ts_info *info) { struct am65_cpsw_common *common = am65_ndev_to_common(ndev); if (!IS_ENABLED(CONFIG_TI_K3_AM65_CPTS)) return ethtool_op_get_ts_info(ndev, info); info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE | SOF_TIMESTAMPING_TX_SOFTWARE | SOF_TIMESTAMPING_RX_HARDWARE | SOF_TIMESTAMPING_RX_SOFTWARE | SOF_TIMESTAMPING_SOFTWARE | SOF_TIMESTAMPING_RAW_HARDWARE; info->phc_index = am65_cpts_phc_index(common->cpts); info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL); return 0; } static u32 am65_cpsw_get_ethtool_priv_flags(struct net_device *ndev) { struct am65_cpsw_common *common = am65_ndev_to_common(ndev); u32 priv_flags = 0; if (common->pf_p0_rx_ptype_rrobin) priv_flags |= AM65_CPSW_PRIV_P0_RX_PTYPE_RROBIN; return priv_flags; } static int am65_cpsw_set_ethtool_priv_flags(struct net_device *ndev, u32 flags) { struct am65_cpsw_common *common = am65_ndev_to_common(ndev); int rrobin; rrobin = !!(flags & AM65_CPSW_PRIV_P0_RX_PTYPE_RROBIN); if (common->usage_count) return -EBUSY; if (common->est_enabled && rrobin) { netdev_err(ndev, "p0-rx-ptype-rrobin flag conflicts with QOS\n"); return -EINVAL; } common->pf_p0_rx_ptype_rrobin = rrobin; return 0; } static void am65_cpsw_port_iet_rx_enable(struct am65_cpsw_port *port, bool enable) { u32 val; val = readl(port->port_base + AM65_CPSW_PN_REG_CTL); if (enable) val |= AM65_CPSW_PN_CTL_IET_PORT_EN; else val &= ~AM65_CPSW_PN_CTL_IET_PORT_EN; writel(val, port->port_base + AM65_CPSW_PN_REG_CTL); am65_cpsw_iet_common_enable(port->common); } static void am65_cpsw_port_iet_tx_enable(struct am65_cpsw_port *port, bool enable) { u32 val; val = readl(port->port_base + AM65_CPSW_PN_REG_IET_CTRL); if (enable) val |= AM65_CPSW_PN_IET_MAC_PENABLE; else val &= ~AM65_CPSW_PN_IET_MAC_PENABLE; writel(val, port->port_base + AM65_CPSW_PN_REG_IET_CTRL); } static int am65_cpsw_get_mm(struct net_device *ndev, struct ethtool_mm_state *state) { struct am65_cpsw_port *port = am65_ndev_to_port(ndev); struct am65_cpsw_ndev_priv *priv = netdev_priv(ndev); u32 port_ctrl, iet_ctrl, iet_status; u32 add_frag_size; if (!IS_ENABLED(CONFIG_TI_AM65_CPSW_QOS)) return -EOPNOTSUPP; mutex_lock(&priv->mm_lock); iet_ctrl = readl(port->port_base + AM65_CPSW_PN_REG_IET_CTRL); port_ctrl = readl(port->port_base + AM65_CPSW_PN_REG_CTL); state->tx_enabled = !!(iet_ctrl & AM65_CPSW_PN_IET_MAC_PENABLE); state->pmac_enabled = !!(port_ctrl & AM65_CPSW_PN_CTL_IET_PORT_EN); iet_status = readl(port->port_base + AM65_CPSW_PN_REG_IET_STATUS); if (iet_ctrl & AM65_CPSW_PN_IET_MAC_DISABLEVERIFY) state->verify_status = ETHTOOL_MM_VERIFY_STATUS_DISABLED; else if (iet_status & AM65_CPSW_PN_MAC_VERIFIED) state->verify_status = ETHTOOL_MM_VERIFY_STATUS_SUCCEEDED; else if (iet_status & AM65_CPSW_PN_MAC_VERIFY_FAIL) state->verify_status = ETHTOOL_MM_VERIFY_STATUS_FAILED; else state->verify_status = ETHTOOL_MM_VERIFY_STATUS_UNKNOWN; add_frag_size = AM65_CPSW_PN_IET_MAC_GET_ADDFRAGSIZE(iet_ctrl); state->tx_min_frag_size = ethtool_mm_frag_size_add_to_min(add_frag_size); /* Errata i2208: RX min fragment size cannot be less than 124 */ state->rx_min_frag_size = 124; /* FPE active if common tx_enabled and verification success or disabled (forced) */ state->tx_active = state->tx_enabled && (state->verify_status == ETHTOOL_MM_VERIFY_STATUS_SUCCEEDED || state->verify_status == ETHTOOL_MM_VERIFY_STATUS_DISABLED); state->verify_enabled = !(iet_ctrl & AM65_CPSW_PN_IET_MAC_DISABLEVERIFY); state->verify_time = port->qos.iet.verify_time_ms; /* 802.3-2018 clause 30.14.1.6, says that the aMACMergeVerifyTime * variable has a range between 1 and 128 ms inclusive. Limit to that. */ state->max_verify_time = 128; mutex_unlock(&priv->mm_lock); return 0; } static int am65_cpsw_set_mm(struct net_device *ndev, struct ethtool_mm_cfg *cfg, struct netlink_ext_ack *extack) { struct am65_cpsw_port *port = am65_ndev_to_port(ndev); struct am65_cpsw_ndev_priv *priv = netdev_priv(ndev); struct am65_cpsw_iet *iet = &port->qos.iet; u32 val, add_frag_size; int err; if (!IS_ENABLED(CONFIG_TI_AM65_CPSW_QOS)) return -EOPNOTSUPP; err = ethtool_mm_frag_size_min_to_add(cfg->tx_min_frag_size, &add_frag_size, extack); if (err) return err; mutex_lock(&priv->mm_lock); if (cfg->pmac_enabled) { /* change TX & RX FIFO MAX_BLKS as per TRM recommendation */ if (!iet->original_max_blks) iet->original_max_blks = readl(port->port_base + AM65_CPSW_PN_REG_MAX_BLKS); writel(AM65_CPSW_PN_TX_RX_MAX_BLKS_IET, port->port_base + AM65_CPSW_PN_REG_MAX_BLKS); } else if (iet->original_max_blks) { /* restore RX & TX FIFO MAX_BLKS */ writel(iet->original_max_blks, port->port_base + AM65_CPSW_PN_REG_MAX_BLKS); } am65_cpsw_port_iet_rx_enable(port, cfg->pmac_enabled); am65_cpsw_port_iet_tx_enable(port, cfg->tx_enabled); val = readl(port->port_base + AM65_CPSW_PN_REG_IET_CTRL); if (cfg->verify_enabled) { val &= ~AM65_CPSW_PN_IET_MAC_DISABLEVERIFY; /* Reset Verify state machine. Verification won't start here. * Verification will be done once link-up. */ val |= AM65_CPSW_PN_IET_MAC_LINKFAIL; } else { val |= AM65_CPSW_PN_IET_MAC_DISABLEVERIFY; /* Clear LINKFAIL to allow verify/response packets */ val &= ~AM65_CPSW_PN_IET_MAC_LINKFAIL; } val &= ~AM65_CPSW_PN_IET_MAC_MAC_ADDFRAGSIZE_MASK; val |= AM65_CPSW_PN_IET_MAC_SET_ADDFRAGSIZE(add_frag_size); writel(val, port->port_base + AM65_CPSW_PN_REG_IET_CTRL); /* verify_timeout_count can only be set at valid link */ port->qos.iet.verify_time_ms = cfg->verify_time; /* enable/disable preemption based on link status */ am65_cpsw_iet_commit_preemptible_tcs(port); mutex_unlock(&priv->mm_lock); return 0; } static void am65_cpsw_get_mm_stats(struct net_device *ndev, struct ethtool_mm_stats *s) { struct am65_cpsw_port *port = am65_ndev_to_port(ndev); void __iomem *base = port->stat_base; s->MACMergeFrameAssOkCount = readl(base + AM65_CPSW_STATN_IET_RX_ASSEMBLY_OK); s->MACMergeFrameAssErrorCount = readl(base + AM65_CPSW_STATN_IET_RX_ASSEMBLY_ERROR); s->MACMergeFrameSmdErrorCount = readl(base + AM65_CPSW_STATN_IET_RX_SMD_ERROR); /* CPSW Functional Spec states: * "The IET stat aMACMergeFragCountRx is derived by adding the * Receive Assembly Error count to this value. i.e. AM65_CPSW_STATN_IET_RX_FRAG" */ s->MACMergeFragCountRx = readl(base + AM65_CPSW_STATN_IET_RX_FRAG) + s->MACMergeFrameAssErrorCount; s->MACMergeFragCountTx = readl(base + AM65_CPSW_STATN_IET_TX_FRAG); s->MACMergeHoldCount = readl(base + AM65_CPSW_STATN_IET_TX_HOLD); } static int am65_cpsw_get_coalesce(struct net_device *ndev, struct ethtool_coalesce *coal, struct kernel_ethtool_coalesce *kernel_coal, struct netlink_ext_ack *extack) { struct am65_cpsw_common *common = am65_ndev_to_common(ndev); struct am65_cpsw_tx_chn *tx_chn; tx_chn = &common->tx_chns[0]; coal->rx_coalesce_usecs = common->rx_pace_timeout / 1000; coal->tx_coalesce_usecs = tx_chn->tx_pace_timeout / 1000; return 0; } static int am65_cpsw_get_per_queue_coalesce(struct net_device *ndev, u32 queue, struct ethtool_coalesce *coal) { struct am65_cpsw_common *common = am65_ndev_to_common(ndev); struct am65_cpsw_tx_chn *tx_chn; if (queue >= AM65_CPSW_MAX_TX_QUEUES) return -EINVAL; tx_chn = &common->tx_chns[queue]; coal->tx_coalesce_usecs = tx_chn->tx_pace_timeout / 1000; return 0; } static int am65_cpsw_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *coal, struct kernel_ethtool_coalesce *kernel_coal, struct netlink_ext_ack *extack) { struct am65_cpsw_common *common = am65_ndev_to_common(ndev); struct am65_cpsw_tx_chn *tx_chn; tx_chn = &common->tx_chns[0]; if (coal->rx_coalesce_usecs && coal->rx_coalesce_usecs < 20) return -EINVAL; if (coal->tx_coalesce_usecs && coal->tx_coalesce_usecs < 20) return -EINVAL; common->rx_pace_timeout = coal->rx_coalesce_usecs * 1000; tx_chn->tx_pace_timeout = coal->tx_coalesce_usecs * 1000; return 0; } static int am65_cpsw_set_per_queue_coalesce(struct net_device *ndev, u32 queue, struct ethtool_coalesce *coal) { struct am65_cpsw_common *common = am65_ndev_to_common(ndev); struct am65_cpsw_tx_chn *tx_chn; if (queue >= AM65_CPSW_MAX_TX_QUEUES) return -EINVAL; tx_chn = &common->tx_chns[queue]; if (coal->tx_coalesce_usecs && coal->tx_coalesce_usecs < 20) { dev_info(common->dev, "defaulting to min value of 20us for tx-usecs for tx-%u\n", queue); coal->tx_coalesce_usecs = 20; } tx_chn->tx_pace_timeout = coal->tx_coalesce_usecs * 1000; return 0; } const struct ethtool_ops am65_cpsw_ethtool_ops_slave = { .begin = am65_cpsw_ethtool_op_begin, .complete = am65_cpsw_ethtool_op_complete, .get_drvinfo = am65_cpsw_get_drvinfo, .get_msglevel = am65_cpsw_get_msglevel, .set_msglevel = am65_cpsw_set_msglevel, .get_channels = am65_cpsw_get_channels, .set_channels = am65_cpsw_set_channels, .get_ringparam = am65_cpsw_get_ringparam, .get_regs_len = am65_cpsw_get_regs_len, .get_regs = am65_cpsw_get_regs, .get_sset_count = am65_cpsw_get_sset_count, .get_strings = am65_cpsw_get_strings, .get_ethtool_stats = am65_cpsw_get_ethtool_stats, .get_eth_mac_stats = am65_cpsw_get_eth_mac_stats, .get_ts_info = am65_cpsw_get_ethtool_ts_info, .get_priv_flags = am65_cpsw_get_ethtool_priv_flags, .set_priv_flags = am65_cpsw_set_ethtool_priv_flags, .supported_coalesce_params = ETHTOOL_COALESCE_USECS, .get_coalesce = am65_cpsw_get_coalesce, .set_coalesce = am65_cpsw_set_coalesce, .get_per_queue_coalesce = am65_cpsw_get_per_queue_coalesce, .set_per_queue_coalesce = am65_cpsw_set_per_queue_coalesce, .get_link = ethtool_op_get_link, .get_link_ksettings = am65_cpsw_get_link_ksettings, .set_link_ksettings = am65_cpsw_set_link_ksettings, .get_pauseparam = am65_cpsw_get_pauseparam, .set_pauseparam = am65_cpsw_set_pauseparam, .get_wol = am65_cpsw_get_wol, .set_wol = am65_cpsw_set_wol, .get_eee = am65_cpsw_get_eee, .set_eee = am65_cpsw_set_eee, .nway_reset = am65_cpsw_nway_reset, .get_mm = am65_cpsw_get_mm, .set_mm = am65_cpsw_set_mm, .get_mm_stats = am65_cpsw_get_mm_stats, };