Lines Matching +full:eth +full:- +full:mac
1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org>
5 * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org>
6 * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com>
24 #include <linux/pcs/pcs-mtk-lynxi.h>
34 static int mtk_msg_level = -1;
36 MODULE_PARM_DESC(msg_level, "Message level (-1=defaults,0=none,...,16=all)");
292 void mtk_w32(struct mtk_eth *eth, u32 val, unsigned reg) in mtk_w32() argument
294 __raw_writel(val, eth->base + reg); in mtk_w32()
297 u32 mtk_r32(struct mtk_eth *eth, unsigned reg) in mtk_r32() argument
299 return __raw_readl(eth->base + reg); in mtk_r32()
302 u32 mtk_m32(struct mtk_eth *eth, u32 mask, u32 set, unsigned int reg) in mtk_m32() argument
306 val = mtk_r32(eth, reg); in mtk_m32()
309 mtk_w32(eth, val, reg); in mtk_m32()
313 static int mtk_mdio_busy_wait(struct mtk_eth *eth) in mtk_mdio_busy_wait() argument
318 if (!(mtk_r32(eth, MTK_PHY_IAC) & PHY_IAC_ACCESS)) in mtk_mdio_busy_wait()
325 dev_err(eth->dev, "mdio: MDIO timeout\n"); in mtk_mdio_busy_wait()
326 return -ETIMEDOUT; in mtk_mdio_busy_wait()
329 static int _mtk_mdio_write_c22(struct mtk_eth *eth, u32 phy_addr, u32 phy_reg, in _mtk_mdio_write_c22() argument
334 ret = mtk_mdio_busy_wait(eth); in _mtk_mdio_write_c22()
338 mtk_w32(eth, PHY_IAC_ACCESS | in _mtk_mdio_write_c22()
346 ret = mtk_mdio_busy_wait(eth); in _mtk_mdio_write_c22()
353 static int _mtk_mdio_write_c45(struct mtk_eth *eth, u32 phy_addr, in _mtk_mdio_write_c45() argument
358 ret = mtk_mdio_busy_wait(eth); in _mtk_mdio_write_c45()
362 mtk_w32(eth, PHY_IAC_ACCESS | in _mtk_mdio_write_c45()
370 ret = mtk_mdio_busy_wait(eth); in _mtk_mdio_write_c45()
374 mtk_w32(eth, PHY_IAC_ACCESS | in _mtk_mdio_write_c45()
382 ret = mtk_mdio_busy_wait(eth); in _mtk_mdio_write_c45()
389 static int _mtk_mdio_read_c22(struct mtk_eth *eth, u32 phy_addr, u32 phy_reg) in _mtk_mdio_read_c22() argument
393 ret = mtk_mdio_busy_wait(eth); in _mtk_mdio_read_c22()
397 mtk_w32(eth, PHY_IAC_ACCESS | in _mtk_mdio_read_c22()
404 ret = mtk_mdio_busy_wait(eth); in _mtk_mdio_read_c22()
408 return mtk_r32(eth, MTK_PHY_IAC) & PHY_IAC_DATA_MASK; in _mtk_mdio_read_c22()
411 static int _mtk_mdio_read_c45(struct mtk_eth *eth, u32 phy_addr, in _mtk_mdio_read_c45() argument
416 ret = mtk_mdio_busy_wait(eth); in _mtk_mdio_read_c45()
420 mtk_w32(eth, PHY_IAC_ACCESS | in _mtk_mdio_read_c45()
428 ret = mtk_mdio_busy_wait(eth); in _mtk_mdio_read_c45()
432 mtk_w32(eth, PHY_IAC_ACCESS | in _mtk_mdio_read_c45()
439 ret = mtk_mdio_busy_wait(eth); in _mtk_mdio_read_c45()
443 return mtk_r32(eth, MTK_PHY_IAC) & PHY_IAC_DATA_MASK; in _mtk_mdio_read_c45()
449 struct mtk_eth *eth = bus->priv; in mtk_mdio_write_c22() local
451 return _mtk_mdio_write_c22(eth, phy_addr, phy_reg, val); in mtk_mdio_write_c22()
457 struct mtk_eth *eth = bus->priv; in mtk_mdio_write_c45() local
459 return _mtk_mdio_write_c45(eth, phy_addr, devad, phy_reg, val); in mtk_mdio_write_c45()
464 struct mtk_eth *eth = bus->priv; in mtk_mdio_read_c22() local
466 return _mtk_mdio_read_c22(eth, phy_addr, phy_reg); in mtk_mdio_read_c22()
472 struct mtk_eth *eth = bus->priv; in mtk_mdio_read_c45() local
474 return _mtk_mdio_read_c45(eth, phy_addr, devad, phy_reg); in mtk_mdio_read_c45()
477 static int mt7621_gmac0_rgmii_adjust(struct mtk_eth *eth, in mt7621_gmac0_rgmii_adjust() argument
485 regmap_update_bits(eth->ethsys, ETHSYS_CLKCFG0, in mt7621_gmac0_rgmii_adjust()
491 static void mtk_gmac0_rgmii_adjust(struct mtk_eth *eth, in mtk_gmac0_rgmii_adjust() argument
497 mtk_w32(eth, TRGMII_MODE, INTF_MODE); in mtk_gmac0_rgmii_adjust()
498 ret = clk_set_rate(eth->clks[MTK_CLK_TRGPLL], 500000000); in mtk_gmac0_rgmii_adjust()
500 dev_err(eth->dev, "Failed to set trgmii pll: %d\n", ret); in mtk_gmac0_rgmii_adjust()
504 dev_err(eth->dev, "Missing PLL configuration, ethernet may not work\n"); in mtk_gmac0_rgmii_adjust()
507 static void mtk_setup_bridge_switch(struct mtk_eth *eth) in mtk_setup_bridge_switch() argument
510 mtk_m32(eth, 0, MTK_XGMAC_FORCE_LINK(MTK_GMAC1_ID), in mtk_setup_bridge_switch()
514 mtk_m32(eth, GSWTX_IPG_MASK | GSWRX_IPG_MASK, in mtk_setup_bridge_switch()
523 struct mtk_mac *mac = container_of(config, struct mtk_mac, in mtk_mac_select_pcs() local
525 struct mtk_eth *eth = mac->hw; in mtk_mac_select_pcs() local
530 sid = (MTK_HAS_CAPS(eth->soc->caps, MTK_SHARED_SGMII)) ? in mtk_mac_select_pcs()
531 0 : mac->id; in mtk_mac_select_pcs()
533 return eth->sgmii_pcs[sid]; in mtk_mac_select_pcs()
542 struct mtk_mac *mac = container_of(config, struct mtk_mac, in mtk_mac_config() local
544 struct mtk_eth *eth = mac->hw; in mtk_mac_config() local
548 /* MT76x8 has no hardware settings between for the MAC */ in mtk_mac_config()
549 if (!MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628) && in mtk_mac_config()
550 mac->interface != state->interface) { in mtk_mac_config()
552 switch (state->interface) { in mtk_mac_config()
559 if (MTK_HAS_CAPS(eth->soc->caps, MTK_RGMII)) { in mtk_mac_config()
560 err = mtk_gmac_rgmii_path_setup(eth, mac->id); in mtk_mac_config()
568 err = mtk_gmac_sgmii_path_setup(eth, mac->id); in mtk_mac_config()
573 if (MTK_HAS_CAPS(eth->soc->caps, MTK_GEPHY)) { in mtk_mac_config()
574 err = mtk_gmac_gephy_path_setup(eth, mac->id); in mtk_mac_config()
586 if (!mac->id && state->interface != PHY_INTERFACE_MODE_SGMII && in mtk_mac_config()
587 !phy_interface_mode_is_8023z(state->interface) && in mtk_mac_config()
588 MTK_HAS_CAPS(mac->hw->soc->caps, MTK_GMAC1_TRGMII)) { in mtk_mac_config()
589 if (MTK_HAS_CAPS(mac->hw->soc->caps, in mtk_mac_config()
591 if (mt7621_gmac0_rgmii_adjust(mac->hw, in mtk_mac_config()
592 state->interface)) in mtk_mac_config()
595 mtk_gmac0_rgmii_adjust(mac->hw, in mtk_mac_config()
596 state->interface); in mtk_mac_config()
600 mtk_w32(mac->hw, in mtk_mac_config()
605 mtk_m32(mac->hw, 0, RXC_RST | RXC_DQSISEL, in mtk_mac_config()
607 mtk_m32(mac->hw, RXC_RST, 0, TRGMII_RCK_CTRL); in mtk_mac_config()
611 switch (state->interface) { in mtk_mac_config()
622 regmap_read(eth->ethsys, ETHSYS_SYSCFG0, &val); in mtk_mac_config()
623 val &= ~SYSCFG0_GE_MODE(SYSCFG0_GE_MASK, mac->id); in mtk_mac_config()
624 val |= SYSCFG0_GE_MODE(ge_mode, mac->id); in mtk_mac_config()
625 regmap_write(eth->ethsys, ETHSYS_SYSCFG0, val); in mtk_mac_config()
627 mac->interface = state->interface; in mtk_mac_config()
631 if (state->interface == PHY_INTERFACE_MODE_SGMII || in mtk_mac_config()
632 phy_interface_mode_is_8023z(state->interface)) { in mtk_mac_config()
636 regmap_read(eth->ethsys, ETHSYS_SYSCFG0, &val); in mtk_mac_config()
638 regmap_update_bits(eth->ethsys, ETHSYS_SYSCFG0, in mtk_mac_config()
643 mac->syscfg0 = val; in mtk_mac_config()
645 dev_err(eth->dev, in mtk_mac_config()
646 "In-band mode not supported in non SGMII mode!\n"); in mtk_mac_config()
651 if (mtk_is_netsys_v3_or_greater(eth) && in mtk_mac_config()
652 mac->interface == PHY_INTERFACE_MODE_INTERNAL) { in mtk_mac_config()
653 mtk_w32(mac->hw, MTK_GDMA_XGDM_SEL, MTK_GDMA_EG_CTRL(mac->id)); in mtk_mac_config()
654 mtk_w32(mac->hw, MAC_MCR_FORCE_LINK_DOWN, MTK_MAC_MCR(mac->id)); in mtk_mac_config()
656 mtk_setup_bridge_switch(eth); in mtk_mac_config()
662 dev_err(eth->dev, "%s: GMAC%d mode %s not supported!\n", __func__, in mtk_mac_config()
663 mac->id, phy_modes(state->interface)); in mtk_mac_config()
667 dev_err(eth->dev, "%s: GMAC%d mode %s err: %d!\n", __func__, in mtk_mac_config()
668 mac->id, phy_modes(state->interface), err); in mtk_mac_config()
674 struct mtk_mac *mac = container_of(config, struct mtk_mac, in mtk_mac_finish() local
676 struct mtk_eth *eth = mac->hw; in mtk_mac_finish() local
682 regmap_update_bits(eth->ethsys, ETHSYS_SYSCFG0, in mtk_mac_finish()
683 SYSCFG0_SGMII_MASK, mac->syscfg0); in mtk_mac_finish()
686 mcr_cur = mtk_r32(mac->hw, MTK_MAC_MCR(mac->id)); in mtk_mac_finish()
693 mtk_w32(mac->hw, mcr_new, MTK_MAC_MCR(mac->id)); in mtk_mac_finish()
701 struct mtk_mac *mac = container_of(config, struct mtk_mac, in mtk_mac_link_down() local
703 u32 mcr = mtk_r32(mac->hw, MTK_MAC_MCR(mac->id)); in mtk_mac_link_down()
706 mtk_w32(mac->hw, mcr, MTK_MAC_MCR(mac->id)); in mtk_mac_link_down()
709 static void mtk_set_queue_speed(struct mtk_eth *eth, unsigned int idx, in mtk_set_queue_speed() argument
712 const struct mtk_soc_data *soc = eth->soc; in mtk_set_queue_speed()
715 if (!MTK_HAS_CAPS(soc->caps, MTK_QDMA)) in mtk_set_queue_speed()
723 if (mtk_is_netsys_v1(eth)) in mtk_set_queue_speed()
775 mtk_w32(eth, val, soc->reg_map->qdma.qtx_sch + ofs); in mtk_set_queue_speed()
783 struct mtk_mac *mac = container_of(config, struct mtk_mac, in mtk_mac_link_up() local
787 mcr = mtk_r32(mac->hw, MTK_MAC_MCR(mac->id)); in mtk_mac_link_up()
793 mac->speed = speed; in mtk_mac_link_up()
808 /* Configure pause modes - phylink will avoid these for half duplex */ in mtk_mac_link_up()
815 mtk_w32(mac->hw, mcr, MTK_MAC_MCR(mac->id)); in mtk_mac_link_up()
820 struct mtk_mac *mac = container_of(config, struct mtk_mac, in mtk_mac_disable_tx_lpi() local
822 struct mtk_eth *eth = mac->hw; in mtk_mac_disable_tx_lpi() local
824 mtk_m32(eth, MAC_MCR_EEE100M | MAC_MCR_EEE1G, 0, MTK_MAC_MCR(mac->id)); in mtk_mac_disable_tx_lpi()
830 struct mtk_mac *mac = container_of(config, struct mtk_mac, in mtk_mac_enable_tx_lpi() local
832 struct mtk_eth *eth = mac->hw; in mtk_mac_enable_tx_lpi() local
852 /* PHY Wake-up time, this field does not have a reset value, so use the in mtk_mac_enable_tx_lpi()
858 mtk_w32(eth, val, MTK_MAC_EEECR(mac->id)); in mtk_mac_enable_tx_lpi()
859 mtk_m32(eth, 0, MAC_MCR_EEE100M | MAC_MCR_EEE1G, MTK_MAC_MCR(mac->id)); in mtk_mac_enable_tx_lpi()
874 static void mtk_mdio_config(struct mtk_eth *eth) in mtk_mdio_config() argument
879 val = FIELD_PREP(PPSC_MDC_CFG, eth->mdc_divider); in mtk_mdio_config()
882 if (mtk_is_netsys_v3_or_greater(eth)) in mtk_mdio_config()
883 mtk_m32(eth, 0, MISC_MDC_TURBO, MTK_MAC_MISC_V3); in mtk_mdio_config()
887 mtk_m32(eth, PPSC_MDC_CFG, val, MTK_PPSC); in mtk_mdio_config()
890 static int mtk_mdio_init(struct mtk_eth *eth) in mtk_mdio_init() argument
897 mii_np = of_get_available_child_by_name(eth->dev->of_node, "mdio-bus"); in mtk_mdio_init()
899 dev_err(eth->dev, "no %s child node found", "mdio-bus"); in mtk_mdio_init()
900 return -ENODEV; in mtk_mdio_init()
903 eth->mii_bus = devm_mdiobus_alloc(eth->dev); in mtk_mdio_init()
904 if (!eth->mii_bus) { in mtk_mdio_init()
905 ret = -ENOMEM; in mtk_mdio_init()
909 eth->mii_bus->name = "mdio"; in mtk_mdio_init()
910 eth->mii_bus->read = mtk_mdio_read_c22; in mtk_mdio_init()
911 eth->mii_bus->write = mtk_mdio_write_c22; in mtk_mdio_init()
912 eth->mii_bus->read_c45 = mtk_mdio_read_c45; in mtk_mdio_init()
913 eth->mii_bus->write_c45 = mtk_mdio_write_c45; in mtk_mdio_init()
914 eth->mii_bus->priv = eth; in mtk_mdio_init()
915 eth->mii_bus->parent = eth->dev; in mtk_mdio_init()
917 snprintf(eth->mii_bus->id, MII_BUS_ID_SIZE, "%pOFn", mii_np); in mtk_mdio_init()
919 if (!of_property_read_u32(mii_np, "clock-frequency", &val)) { in mtk_mdio_init()
921 dev_err(eth->dev, "MDIO clock frequency out of range"); in mtk_mdio_init()
922 ret = -EINVAL; in mtk_mdio_init()
927 eth->mdc_divider = min_t(unsigned int, DIV_ROUND_UP(MDC_MAX_FREQ, max_clk), 63); in mtk_mdio_init()
928 mtk_mdio_config(eth); in mtk_mdio_init()
929 dev_dbg(eth->dev, "MDC is running on %d Hz\n", MDC_MAX_FREQ / eth->mdc_divider); in mtk_mdio_init()
930 ret = of_mdiobus_register(eth->mii_bus, mii_np); in mtk_mdio_init()
937 static void mtk_mdio_cleanup(struct mtk_eth *eth) in mtk_mdio_cleanup() argument
939 if (!eth->mii_bus) in mtk_mdio_cleanup()
942 mdiobus_unregister(eth->mii_bus); in mtk_mdio_cleanup()
945 static inline void mtk_tx_irq_disable(struct mtk_eth *eth, u32 mask) in mtk_tx_irq_disable() argument
950 spin_lock_irqsave(ð->tx_irq_lock, flags); in mtk_tx_irq_disable()
951 val = mtk_r32(eth, eth->soc->reg_map->tx_irq_mask); in mtk_tx_irq_disable()
952 mtk_w32(eth, val & ~mask, eth->soc->reg_map->tx_irq_mask); in mtk_tx_irq_disable()
953 spin_unlock_irqrestore(ð->tx_irq_lock, flags); in mtk_tx_irq_disable()
956 static inline void mtk_tx_irq_enable(struct mtk_eth *eth, u32 mask) in mtk_tx_irq_enable() argument
961 spin_lock_irqsave(ð->tx_irq_lock, flags); in mtk_tx_irq_enable()
962 val = mtk_r32(eth, eth->soc->reg_map->tx_irq_mask); in mtk_tx_irq_enable()
963 mtk_w32(eth, val | mask, eth->soc->reg_map->tx_irq_mask); in mtk_tx_irq_enable()
964 spin_unlock_irqrestore(ð->tx_irq_lock, flags); in mtk_tx_irq_enable()
967 static inline void mtk_rx_irq_disable(struct mtk_eth *eth, u32 mask) in mtk_rx_irq_disable() argument
972 spin_lock_irqsave(ð->rx_irq_lock, flags); in mtk_rx_irq_disable()
973 val = mtk_r32(eth, eth->soc->reg_map->pdma.irq_mask); in mtk_rx_irq_disable()
974 mtk_w32(eth, val & ~mask, eth->soc->reg_map->pdma.irq_mask); in mtk_rx_irq_disable()
975 spin_unlock_irqrestore(ð->rx_irq_lock, flags); in mtk_rx_irq_disable()
978 static inline void mtk_rx_irq_enable(struct mtk_eth *eth, u32 mask) in mtk_rx_irq_enable() argument
983 spin_lock_irqsave(ð->rx_irq_lock, flags); in mtk_rx_irq_enable()
984 val = mtk_r32(eth, eth->soc->reg_map->pdma.irq_mask); in mtk_rx_irq_enable()
985 mtk_w32(eth, val | mask, eth->soc->reg_map->pdma.irq_mask); in mtk_rx_irq_enable()
986 spin_unlock_irqrestore(ð->rx_irq_lock, flags); in mtk_rx_irq_enable()
992 struct mtk_mac *mac = netdev_priv(dev); in mtk_set_mac_address() local
993 struct mtk_eth *eth = mac->hw; in mtk_set_mac_address() local
994 const char *macaddr = dev->dev_addr; in mtk_set_mac_address()
999 if (unlikely(test_bit(MTK_RESETTING, &mac->hw->state))) in mtk_set_mac_address()
1000 return -EBUSY; in mtk_set_mac_address()
1002 spin_lock_bh(&mac->hw->page_lock); in mtk_set_mac_address()
1003 if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) { in mtk_set_mac_address()
1004 mtk_w32(mac->hw, (macaddr[0] << 8) | macaddr[1], in mtk_set_mac_address()
1006 mtk_w32(mac->hw, (macaddr[2] << 24) | (macaddr[3] << 16) | in mtk_set_mac_address()
1010 mtk_w32(mac->hw, (macaddr[0] << 8) | macaddr[1], in mtk_set_mac_address()
1011 MTK_GDMA_MAC_ADRH(mac->id)); in mtk_set_mac_address()
1012 mtk_w32(mac->hw, (macaddr[2] << 24) | (macaddr[3] << 16) | in mtk_set_mac_address()
1014 MTK_GDMA_MAC_ADRL(mac->id)); in mtk_set_mac_address()
1016 spin_unlock_bh(&mac->hw->page_lock); in mtk_set_mac_address()
1021 void mtk_stats_update_mac(struct mtk_mac *mac) in mtk_stats_update_mac() argument
1023 struct mtk_hw_stats *hw_stats = mac->hw_stats; in mtk_stats_update_mac()
1024 struct mtk_eth *eth = mac->hw; in mtk_stats_update_mac() local
1026 u64_stats_update_begin(&hw_stats->syncp); in mtk_stats_update_mac()
1028 if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) { in mtk_stats_update_mac()
1029 hw_stats->tx_packets += mtk_r32(mac->hw, MT7628_SDM_TPCNT); in mtk_stats_update_mac()
1030 hw_stats->tx_bytes += mtk_r32(mac->hw, MT7628_SDM_TBCNT); in mtk_stats_update_mac()
1031 hw_stats->rx_packets += mtk_r32(mac->hw, MT7628_SDM_RPCNT); in mtk_stats_update_mac()
1032 hw_stats->rx_bytes += mtk_r32(mac->hw, MT7628_SDM_RBCNT); in mtk_stats_update_mac()
1033 hw_stats->rx_checksum_errors += in mtk_stats_update_mac()
1034 mtk_r32(mac->hw, MT7628_SDM_CS_ERR); in mtk_stats_update_mac()
1036 const struct mtk_reg_map *reg_map = eth->soc->reg_map; in mtk_stats_update_mac()
1037 unsigned int offs = hw_stats->reg_offset; in mtk_stats_update_mac()
1040 hw_stats->rx_bytes += mtk_r32(mac->hw, reg_map->gdm1_cnt + offs); in mtk_stats_update_mac()
1041 stats = mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x4 + offs); in mtk_stats_update_mac()
1043 hw_stats->rx_bytes += (stats << 32); in mtk_stats_update_mac()
1044 hw_stats->rx_packets += in mtk_stats_update_mac()
1045 mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x8 + offs); in mtk_stats_update_mac()
1046 hw_stats->rx_overflow += in mtk_stats_update_mac()
1047 mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x10 + offs); in mtk_stats_update_mac()
1048 hw_stats->rx_fcs_errors += in mtk_stats_update_mac()
1049 mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x14 + offs); in mtk_stats_update_mac()
1050 hw_stats->rx_short_errors += in mtk_stats_update_mac()
1051 mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x18 + offs); in mtk_stats_update_mac()
1052 hw_stats->rx_long_errors += in mtk_stats_update_mac()
1053 mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x1c + offs); in mtk_stats_update_mac()
1054 hw_stats->rx_checksum_errors += in mtk_stats_update_mac()
1055 mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x20 + offs); in mtk_stats_update_mac()
1056 hw_stats->rx_flow_control_packets += in mtk_stats_update_mac()
1057 mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x24 + offs); in mtk_stats_update_mac()
1059 if (mtk_is_netsys_v3_or_greater(eth)) { in mtk_stats_update_mac()
1060 hw_stats->tx_skip += in mtk_stats_update_mac()
1061 mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x50 + offs); in mtk_stats_update_mac()
1062 hw_stats->tx_collisions += in mtk_stats_update_mac()
1063 mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x54 + offs); in mtk_stats_update_mac()
1064 hw_stats->tx_bytes += in mtk_stats_update_mac()
1065 mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x40 + offs); in mtk_stats_update_mac()
1066 stats = mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x44 + offs); in mtk_stats_update_mac()
1068 hw_stats->tx_bytes += (stats << 32); in mtk_stats_update_mac()
1069 hw_stats->tx_packets += in mtk_stats_update_mac()
1070 mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x48 + offs); in mtk_stats_update_mac()
1072 hw_stats->tx_skip += in mtk_stats_update_mac()
1073 mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x28 + offs); in mtk_stats_update_mac()
1074 hw_stats->tx_collisions += in mtk_stats_update_mac()
1075 mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x2c + offs); in mtk_stats_update_mac()
1076 hw_stats->tx_bytes += in mtk_stats_update_mac()
1077 mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x30 + offs); in mtk_stats_update_mac()
1078 stats = mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x34 + offs); in mtk_stats_update_mac()
1080 hw_stats->tx_bytes += (stats << 32); in mtk_stats_update_mac()
1081 hw_stats->tx_packets += in mtk_stats_update_mac()
1082 mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x38 + offs); in mtk_stats_update_mac()
1086 u64_stats_update_end(&hw_stats->syncp); in mtk_stats_update_mac()
1089 static void mtk_stats_update(struct mtk_eth *eth) in mtk_stats_update() argument
1094 if (!eth->mac[i] || !eth->mac[i]->hw_stats) in mtk_stats_update()
1096 if (spin_trylock(ð->mac[i]->hw_stats->stats_lock)) { in mtk_stats_update()
1097 mtk_stats_update_mac(eth->mac[i]); in mtk_stats_update()
1098 spin_unlock(ð->mac[i]->hw_stats->stats_lock); in mtk_stats_update()
1106 struct mtk_mac *mac = netdev_priv(dev); in mtk_get_stats64() local
1107 struct mtk_hw_stats *hw_stats = mac->hw_stats; in mtk_get_stats64()
1111 if (spin_trylock_bh(&hw_stats->stats_lock)) { in mtk_get_stats64()
1112 mtk_stats_update_mac(mac); in mtk_get_stats64()
1113 spin_unlock_bh(&hw_stats->stats_lock); in mtk_get_stats64()
1118 start = u64_stats_fetch_begin(&hw_stats->syncp); in mtk_get_stats64()
1119 storage->rx_packets = hw_stats->rx_packets; in mtk_get_stats64()
1120 storage->tx_packets = hw_stats->tx_packets; in mtk_get_stats64()
1121 storage->rx_bytes = hw_stats->rx_bytes; in mtk_get_stats64()
1122 storage->tx_bytes = hw_stats->tx_bytes; in mtk_get_stats64()
1123 storage->collisions = hw_stats->tx_collisions; in mtk_get_stats64()
1124 storage->rx_length_errors = hw_stats->rx_short_errors + in mtk_get_stats64()
1125 hw_stats->rx_long_errors; in mtk_get_stats64()
1126 storage->rx_over_errors = hw_stats->rx_overflow; in mtk_get_stats64()
1127 storage->rx_crc_errors = hw_stats->rx_fcs_errors; in mtk_get_stats64()
1128 storage->rx_errors = hw_stats->rx_checksum_errors; in mtk_get_stats64()
1129 storage->tx_aborted_errors = hw_stats->tx_skip; in mtk_get_stats64()
1130 } while (u64_stats_fetch_retry(&hw_stats->syncp, start)); in mtk_get_stats64()
1132 storage->tx_errors = dev->stats.tx_errors; in mtk_get_stats64()
1133 storage->rx_dropped = dev->stats.rx_dropped; in mtk_get_stats64()
1134 storage->tx_dropped = dev->stats.tx_dropped; in mtk_get_stats64()
1141 mtu = MTK_MAX_RX_LENGTH_2K - MTK_RX_ETH_HLEN; in mtk_max_frag_size()
1149 int buf_size = frag_size - NET_SKB_PAD - NET_IP_ALIGN - in mtk_max_buf_size()
1157 static bool mtk_rx_get_desc(struct mtk_eth *eth, struct mtk_rx_dma_v2 *rxd, in mtk_rx_get_desc() argument
1160 rxd->rxd2 = READ_ONCE(dma_rxd->rxd2); in mtk_rx_get_desc()
1161 if (!(rxd->rxd2 & RX_DMA_DONE)) in mtk_rx_get_desc()
1164 rxd->rxd1 = READ_ONCE(dma_rxd->rxd1); in mtk_rx_get_desc()
1165 rxd->rxd3 = READ_ONCE(dma_rxd->rxd3); in mtk_rx_get_desc()
1166 rxd->rxd4 = READ_ONCE(dma_rxd->rxd4); in mtk_rx_get_desc()
1167 if (mtk_is_netsys_v3_or_greater(eth)) { in mtk_rx_get_desc()
1168 rxd->rxd5 = READ_ONCE(dma_rxd->rxd5); in mtk_rx_get_desc()
1169 rxd->rxd6 = READ_ONCE(dma_rxd->rxd6); in mtk_rx_get_desc()
1187 static int mtk_init_fq_dma(struct mtk_eth *eth) in mtk_init_fq_dma() argument
1189 const struct mtk_soc_data *soc = eth->soc; in mtk_init_fq_dma()
1191 int cnt = soc->tx.fq_dma_size; in mtk_init_fq_dma()
1195 if (MTK_HAS_CAPS(eth->soc->caps, MTK_SRAM)) in mtk_init_fq_dma()
1196 eth->scratch_ring = eth->sram_base; in mtk_init_fq_dma()
1198 eth->scratch_ring = dma_alloc_coherent(eth->dma_dev, in mtk_init_fq_dma()
1199 cnt * soc->tx.desc_size, in mtk_init_fq_dma()
1200 ð->phy_scratch_ring, in mtk_init_fq_dma()
1203 if (unlikely(!eth->scratch_ring)) in mtk_init_fq_dma()
1204 return -ENOMEM; in mtk_init_fq_dma()
1206 phy_ring_tail = eth->phy_scratch_ring + soc->tx.desc_size * (cnt - 1); in mtk_init_fq_dma()
1208 for (j = 0; j < DIV_ROUND_UP(soc->tx.fq_dma_size, MTK_FQ_DMA_LENGTH); j++) { in mtk_init_fq_dma()
1209 len = min_t(int, cnt - j * MTK_FQ_DMA_LENGTH, MTK_FQ_DMA_LENGTH); in mtk_init_fq_dma()
1210 eth->scratch_head[j] = kcalloc(len, MTK_QDMA_PAGE_SIZE, GFP_KERNEL); in mtk_init_fq_dma()
1212 if (unlikely(!eth->scratch_head[j])) in mtk_init_fq_dma()
1213 return -ENOMEM; in mtk_init_fq_dma()
1215 dma_addr = dma_map_single(eth->dma_dev, in mtk_init_fq_dma()
1216 eth->scratch_head[j], len * MTK_QDMA_PAGE_SIZE, in mtk_init_fq_dma()
1219 if (unlikely(dma_mapping_error(eth->dma_dev, dma_addr))) in mtk_init_fq_dma()
1220 return -ENOMEM; in mtk_init_fq_dma()
1225 txd = eth->scratch_ring + (j * MTK_FQ_DMA_LENGTH + i) * soc->tx.desc_size; in mtk_init_fq_dma()
1226 txd->txd1 = dma_addr + i * MTK_QDMA_PAGE_SIZE; in mtk_init_fq_dma()
1228 txd->txd2 = eth->phy_scratch_ring + in mtk_init_fq_dma()
1229 (j * MTK_FQ_DMA_LENGTH + i + 1) * soc->tx.desc_size; in mtk_init_fq_dma()
1231 txd->txd3 = TX_DMA_PLEN0(MTK_QDMA_PAGE_SIZE); in mtk_init_fq_dma()
1232 if (MTK_HAS_CAPS(soc->caps, MTK_36BIT_DMA)) in mtk_init_fq_dma()
1233 txd->txd3 |= TX_DMA_PREP_ADDR64(dma_addr + i * MTK_QDMA_PAGE_SIZE); in mtk_init_fq_dma()
1235 txd->txd4 = 0; in mtk_init_fq_dma()
1236 if (mtk_is_netsys_v2_or_greater(eth)) { in mtk_init_fq_dma()
1237 txd->txd5 = 0; in mtk_init_fq_dma()
1238 txd->txd6 = 0; in mtk_init_fq_dma()
1239 txd->txd7 = 0; in mtk_init_fq_dma()
1240 txd->txd8 = 0; in mtk_init_fq_dma()
1245 mtk_w32(eth, eth->phy_scratch_ring, soc->reg_map->qdma.fq_head); in mtk_init_fq_dma()
1246 mtk_w32(eth, phy_ring_tail, soc->reg_map->qdma.fq_tail); in mtk_init_fq_dma()
1247 mtk_w32(eth, (cnt << 16) | cnt, soc->reg_map->qdma.fq_count); in mtk_init_fq_dma()
1248 mtk_w32(eth, MTK_QDMA_PAGE_SIZE << 16, soc->reg_map->qdma.fq_blen); in mtk_init_fq_dma()
1255 return ring->dma + (desc - ring->phys); in mtk_qdma_phys_to_virt()
1261 int idx = (txd - ring->dma) / txd_size; in mtk_desc_to_tx_buf()
1263 return &ring->buf[idx]; in mtk_desc_to_tx_buf()
1269 return ring->dma_pdma - (struct mtk_tx_dma *)ring->dma + dma; in qdma_to_pdma()
1274 return (dma - ring->dma) / txd_size; in txd_to_idx()
1277 static void mtk_tx_unmap(struct mtk_eth *eth, struct mtk_tx_buf *tx_buf, in mtk_tx_unmap() argument
1280 if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) { in mtk_tx_unmap()
1281 if (tx_buf->flags & MTK_TX_FLAGS_SINGLE0) { in mtk_tx_unmap()
1282 dma_unmap_single(eth->dma_dev, in mtk_tx_unmap()
1286 } else if (tx_buf->flags & MTK_TX_FLAGS_PAGE0) { in mtk_tx_unmap()
1287 dma_unmap_page(eth->dma_dev, in mtk_tx_unmap()
1294 dma_unmap_page(eth->dma_dev, in mtk_tx_unmap()
1301 dma_unmap_page(eth->dma_dev, in mtk_tx_unmap()
1308 if (tx_buf->data && tx_buf->data != (void *)MTK_DMA_DUMMY_DESC) { in mtk_tx_unmap()
1309 if (tx_buf->type == MTK_TYPE_SKB) { in mtk_tx_unmap()
1310 struct sk_buff *skb = tx_buf->data; in mtk_tx_unmap()
1317 struct xdp_frame *xdpf = tx_buf->data; in mtk_tx_unmap()
1319 if (napi && tx_buf->type == MTK_TYPE_XDP_TX) in mtk_tx_unmap()
1327 tx_buf->flags = 0; in mtk_tx_unmap()
1328 tx_buf->data = NULL; in mtk_tx_unmap()
1331 static void setup_tx_buf(struct mtk_eth *eth, struct mtk_tx_buf *tx_buf, in setup_tx_buf() argument
1335 if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) { in setup_tx_buf()
1340 txd->txd3 = mapped_addr; in setup_tx_buf()
1341 txd->txd2 |= TX_DMA_PLEN1(size); in setup_tx_buf()
1345 tx_buf->data = (void *)MTK_DMA_DUMMY_DESC; in setup_tx_buf()
1346 txd->txd1 = mapped_addr; in setup_tx_buf()
1347 txd->txd2 = TX_DMA_PLEN0(size); in setup_tx_buf()
1357 struct mtk_mac *mac = netdev_priv(dev); in mtk_tx_set_dma_desc_v1() local
1358 struct mtk_eth *eth = mac->hw; in mtk_tx_set_dma_desc_v1() local
1362 WRITE_ONCE(desc->txd1, info->addr); in mtk_tx_set_dma_desc_v1()
1364 data = TX_DMA_SWC | TX_DMA_PLEN0(info->size) | in mtk_tx_set_dma_desc_v1()
1365 FIELD_PREP(TX_DMA_PQID, info->qid); in mtk_tx_set_dma_desc_v1()
1366 if (info->last) in mtk_tx_set_dma_desc_v1()
1368 WRITE_ONCE(desc->txd3, data); in mtk_tx_set_dma_desc_v1()
1370 data = (mac->id + 1) << TX_DMA_FPORT_SHIFT; /* forward port */ in mtk_tx_set_dma_desc_v1()
1371 if (info->first) { in mtk_tx_set_dma_desc_v1()
1372 if (info->gso) in mtk_tx_set_dma_desc_v1()
1375 if (info->csum) in mtk_tx_set_dma_desc_v1()
1378 if (info->vlan) in mtk_tx_set_dma_desc_v1()
1379 data |= TX_DMA_INS_VLAN | info->vlan_tci; in mtk_tx_set_dma_desc_v1()
1381 WRITE_ONCE(desc->txd4, data); in mtk_tx_set_dma_desc_v1()
1387 struct mtk_mac *mac = netdev_priv(dev); in mtk_tx_set_dma_desc_v2() local
1389 struct mtk_eth *eth = mac->hw; in mtk_tx_set_dma_desc_v2() local
1392 WRITE_ONCE(desc->txd1, info->addr); in mtk_tx_set_dma_desc_v2()
1394 data = TX_DMA_PLEN0(info->size); in mtk_tx_set_dma_desc_v2()
1395 if (info->last) in mtk_tx_set_dma_desc_v2()
1398 if (MTK_HAS_CAPS(eth->soc->caps, MTK_36BIT_DMA)) in mtk_tx_set_dma_desc_v2()
1399 data |= TX_DMA_PREP_ADDR64(info->addr); in mtk_tx_set_dma_desc_v2()
1401 WRITE_ONCE(desc->txd3, data); in mtk_tx_set_dma_desc_v2()
1404 switch (mac->id) { in mtk_tx_set_dma_desc_v2()
1416 data |= TX_DMA_SWC_V2 | QID_BITS_V2(info->qid); in mtk_tx_set_dma_desc_v2()
1417 WRITE_ONCE(desc->txd4, data); in mtk_tx_set_dma_desc_v2()
1420 if (info->first) { in mtk_tx_set_dma_desc_v2()
1421 if (info->gso) in mtk_tx_set_dma_desc_v2()
1424 if (info->csum) in mtk_tx_set_dma_desc_v2()
1426 if (mtk_is_netsys_v3_or_greater(eth) && netdev_uses_dsa(dev)) in mtk_tx_set_dma_desc_v2()
1429 WRITE_ONCE(desc->txd5, data); in mtk_tx_set_dma_desc_v2()
1432 if (info->first && info->vlan) in mtk_tx_set_dma_desc_v2()
1433 data |= TX_DMA_INS_VLAN_V2 | info->vlan_tci; in mtk_tx_set_dma_desc_v2()
1434 WRITE_ONCE(desc->txd6, data); in mtk_tx_set_dma_desc_v2()
1436 WRITE_ONCE(desc->txd7, 0); in mtk_tx_set_dma_desc_v2()
1437 WRITE_ONCE(desc->txd8, 0); in mtk_tx_set_dma_desc_v2()
1443 struct mtk_mac *mac = netdev_priv(dev); in mtk_tx_set_dma_desc() local
1444 struct mtk_eth *eth = mac->hw; in mtk_tx_set_dma_desc() local
1446 if (mtk_is_netsys_v2_or_greater(eth)) in mtk_tx_set_dma_desc()
1458 .csum = skb->ip_summed == CHECKSUM_PARTIAL, in mtk_tx_map()
1466 struct mtk_mac *mac = netdev_priv(dev); in mtk_tx_map() local
1467 struct mtk_eth *eth = mac->hw; in mtk_tx_map() local
1468 const struct mtk_soc_data *soc = eth->soc; in mtk_tx_map()
1477 itxd = ring->next_free; in mtk_tx_map()
1479 if (itxd == ring->last_free) in mtk_tx_map()
1480 return -ENOMEM; in mtk_tx_map()
1482 itx_buf = mtk_desc_to_tx_buf(ring, itxd, soc->tx.desc_size); in mtk_tx_map()
1485 txd_info.addr = dma_map_single(eth->dma_dev, skb->data, txd_info.size, in mtk_tx_map()
1487 if (unlikely(dma_mapping_error(eth->dma_dev, txd_info.addr))) in mtk_tx_map()
1488 return -ENOMEM; in mtk_tx_map()
1492 itx_buf->flags |= MTK_TX_FLAGS_SINGLE0; in mtk_tx_map()
1493 itx_buf->mac_id = mac->id; in mtk_tx_map()
1494 setup_tx_buf(eth, itx_buf, itxd_pdma, txd_info.addr, txd_info.size, in mtk_tx_map()
1501 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { in mtk_tx_map()
1502 skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; in mtk_tx_map()
1509 if (MTK_HAS_CAPS(soc->caps, MTK_QDMA) || in mtk_tx_map()
1511 txd = mtk_qdma_phys_to_virt(ring, txd->txd2); in mtk_tx_map()
1513 if (txd == ring->last_free) in mtk_tx_map()
1523 soc->tx.dma_max_len); in mtk_tx_map()
1525 txd_info.last = i == skb_shinfo(skb)->nr_frags - 1 && in mtk_tx_map()
1526 !(frag_size - txd_info.size); in mtk_tx_map()
1527 txd_info.addr = skb_frag_dma_map(eth->dma_dev, frag, in mtk_tx_map()
1530 if (unlikely(dma_mapping_error(eth->dma_dev, txd_info.addr))) in mtk_tx_map()
1536 soc->tx.desc_size); in mtk_tx_map()
1539 tx_buf->data = (void *)MTK_DMA_DUMMY_DESC; in mtk_tx_map()
1540 tx_buf->flags |= MTK_TX_FLAGS_PAGE0; in mtk_tx_map()
1541 tx_buf->mac_id = mac->id; in mtk_tx_map()
1543 setup_tx_buf(eth, tx_buf, txd_pdma, txd_info.addr, in mtk_tx_map()
1546 frag_size -= txd_info.size; in mtk_tx_map()
1552 itx_buf->type = MTK_TYPE_SKB; in mtk_tx_map()
1553 itx_buf->data = skb; in mtk_tx_map()
1555 if (!MTK_HAS_CAPS(soc->caps, MTK_QDMA)) { in mtk_tx_map()
1557 txd_pdma->txd2 |= TX_DMA_LS0; in mtk_tx_map()
1559 txd_pdma->txd2 |= TX_DMA_LS1; in mtk_tx_map()
1562 netdev_tx_sent_queue(txq, skb->len); in mtk_tx_map()
1565 ring->next_free = mtk_qdma_phys_to_virt(ring, txd->txd2); in mtk_tx_map()
1566 atomic_sub(n_desc, &ring->free_count); in mtk_tx_map()
1573 if (MTK_HAS_CAPS(soc->caps, MTK_QDMA)) { in mtk_tx_map()
1575 mtk_w32(eth, txd->txd2, soc->reg_map->qdma.ctx_ptr); in mtk_tx_map()
1579 next_idx = NEXT_DESP_IDX(txd_to_idx(ring, txd, soc->tx.desc_size), in mtk_tx_map()
1580 ring->dma_size); in mtk_tx_map()
1581 mtk_w32(eth, next_idx, MT7628_TX_CTX_IDX0); in mtk_tx_map()
1588 tx_buf = mtk_desc_to_tx_buf(ring, itxd, soc->tx.desc_size); in mtk_tx_map()
1591 mtk_tx_unmap(eth, tx_buf, NULL, false); in mtk_tx_map()
1593 itxd->txd3 = TX_DMA_LS0 | TX_DMA_OWNER_CPU; in mtk_tx_map()
1594 if (!MTK_HAS_CAPS(soc->caps, MTK_QDMA)) in mtk_tx_map()
1595 itxd_pdma->txd2 = TX_DMA_DESP2_DEF; in mtk_tx_map()
1597 itxd = mtk_qdma_phys_to_virt(ring, itxd->txd2); in mtk_tx_map()
1601 return -ENOMEM; in mtk_tx_map()
1604 static int mtk_cal_txd_req(struct mtk_eth *eth, struct sk_buff *skb) in mtk_cal_txd_req() argument
1610 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { in mtk_cal_txd_req()
1611 frag = &skb_shinfo(skb)->frags[i]; in mtk_cal_txd_req()
1613 eth->soc->tx.dma_max_len); in mtk_cal_txd_req()
1616 nfrags += skb_shinfo(skb)->nr_frags; in mtk_cal_txd_req()
1622 static int mtk_queue_stopped(struct mtk_eth *eth) in mtk_queue_stopped() argument
1627 if (!eth->netdev[i]) in mtk_queue_stopped()
1629 if (netif_queue_stopped(eth->netdev[i])) in mtk_queue_stopped()
1636 static void mtk_wake_queue(struct mtk_eth *eth) in mtk_wake_queue() argument
1641 if (!eth->netdev[i]) in mtk_wake_queue()
1643 netif_tx_wake_all_queues(eth->netdev[i]); in mtk_wake_queue()
1649 struct mtk_mac *mac = netdev_priv(dev); in mtk_start_xmit() local
1650 struct mtk_eth *eth = mac->hw; in mtk_start_xmit() local
1651 struct mtk_tx_ring *ring = ð->tx_ring; in mtk_start_xmit()
1652 struct net_device_stats *stats = &dev->stats; in mtk_start_xmit()
1660 spin_lock(ð->page_lock); in mtk_start_xmit()
1662 if (unlikely(test_bit(MTK_RESETTING, ð->state))) in mtk_start_xmit()
1665 tx_num = mtk_cal_txd_req(eth, skb); in mtk_start_xmit()
1666 if (unlikely(atomic_read(&ring->free_count) <= tx_num)) { in mtk_start_xmit()
1668 netif_err(eth, tx_queued, dev, in mtk_start_xmit()
1670 spin_unlock(ð->page_lock); in mtk_start_xmit()
1677 netif_warn(eth, tx_err, dev, in mtk_start_xmit()
1682 if (skb_shinfo(skb)->gso_type & in mtk_start_xmit()
1685 tcp_hdr(skb)->check = htons(skb_shinfo(skb)->gso_size); in mtk_start_xmit()
1692 if (unlikely(atomic_read(&ring->free_count) <= ring->thresh)) in mtk_start_xmit()
1695 spin_unlock(ð->page_lock); in mtk_start_xmit()
1700 spin_unlock(ð->page_lock); in mtk_start_xmit()
1701 stats->tx_dropped++; in mtk_start_xmit()
1706 static struct mtk_rx_ring *mtk_get_rx_ring(struct mtk_eth *eth) in mtk_get_rx_ring() argument
1712 if (!eth->hwlro) in mtk_get_rx_ring()
1713 return ð->rx_ring[0]; in mtk_get_rx_ring()
1718 ring = ð->rx_ring[i]; in mtk_get_rx_ring()
1719 idx = NEXT_DESP_IDX(ring->calc_idx, ring->dma_size); in mtk_get_rx_ring()
1720 rxd = ring->dma + idx * eth->soc->rx.desc_size; in mtk_get_rx_ring()
1721 if (rxd->rxd2 & RX_DMA_DONE) { in mtk_get_rx_ring()
1722 ring->calc_idx_update = true; in mtk_get_rx_ring()
1730 static void mtk_update_rx_cpu_idx(struct mtk_eth *eth) in mtk_update_rx_cpu_idx() argument
1735 if (!eth->hwlro) { in mtk_update_rx_cpu_idx()
1736 ring = ð->rx_ring[0]; in mtk_update_rx_cpu_idx()
1737 mtk_w32(eth, ring->calc_idx, ring->crx_idx_reg); in mtk_update_rx_cpu_idx()
1740 ring = ð->rx_ring[i]; in mtk_update_rx_cpu_idx()
1741 if (ring->calc_idx_update) { in mtk_update_rx_cpu_idx()
1742 ring->calc_idx_update = false; in mtk_update_rx_cpu_idx()
1743 mtk_w32(eth, ring->calc_idx, ring->crx_idx_reg); in mtk_update_rx_cpu_idx()
1749 static bool mtk_page_pool_enabled(struct mtk_eth *eth) in mtk_page_pool_enabled() argument
1751 return mtk_is_netsys_v2_or_greater(eth); in mtk_page_pool_enabled()
1754 static struct page_pool *mtk_create_page_pool(struct mtk_eth *eth, in mtk_create_page_pool() argument
1763 .dev = eth->dma_dev, in mtk_create_page_pool()
1770 pp_params.dma_dir = rcu_access_pointer(eth->prog) ? DMA_BIDIRECTIONAL in mtk_create_page_pool()
1776 err = __xdp_rxq_info_reg(xdp_q, eth->dummy_dev, id, in mtk_create_page_pool()
1777 eth->rx_napi.napi_id, PAGE_SIZE); in mtk_create_page_pool()
1810 if (ring->page_pool) in mtk_rx_put_buff()
1811 page_pool_put_full_page(ring->page_pool, in mtk_rx_put_buff()
1817 static int mtk_xdp_frame_map(struct mtk_eth *eth, struct net_device *dev, in mtk_xdp_frame_map() argument
1822 struct mtk_tx_ring *ring = ð->tx_ring; in mtk_xdp_frame_map()
1823 struct mtk_mac *mac = netdev_priv(dev); in mtk_xdp_frame_map() local
1827 txd_info->addr = dma_map_single(eth->dma_dev, data, in mtk_xdp_frame_map()
1828 txd_info->size, DMA_TO_DEVICE); in mtk_xdp_frame_map()
1829 if (unlikely(dma_mapping_error(eth->dma_dev, txd_info->addr))) in mtk_xdp_frame_map()
1830 return -ENOMEM; in mtk_xdp_frame_map()
1832 tx_buf->flags |= MTK_TX_FLAGS_SINGLE0; in mtk_xdp_frame_map()
1836 txd_info->addr = page_pool_get_dma_addr(page) + in mtk_xdp_frame_map()
1838 dma_sync_single_for_device(eth->dma_dev, txd_info->addr, in mtk_xdp_frame_map()
1839 txd_info->size, DMA_BIDIRECTIONAL); in mtk_xdp_frame_map()
1843 tx_buf->mac_id = mac->id; in mtk_xdp_frame_map()
1844 tx_buf->type = dma_map ? MTK_TYPE_XDP_NDO : MTK_TYPE_XDP_TX; in mtk_xdp_frame_map()
1845 tx_buf->data = (void *)MTK_DMA_DUMMY_DESC; in mtk_xdp_frame_map()
1848 setup_tx_buf(eth, tx_buf, txd_pdma, txd_info->addr, txd_info->size, in mtk_xdp_frame_map()
1854 static int mtk_xdp_submit_frame(struct mtk_eth *eth, struct xdp_frame *xdpf, in mtk_xdp_submit_frame() argument
1858 const struct mtk_soc_data *soc = eth->soc; in mtk_xdp_submit_frame()
1859 struct mtk_tx_ring *ring = ð->tx_ring; in mtk_xdp_submit_frame()
1860 struct mtk_mac *mac = netdev_priv(dev); in mtk_xdp_submit_frame() local
1862 .size = xdpf->len, in mtk_xdp_submit_frame()
1865 .qid = mac->id, in mtk_xdp_submit_frame()
1870 void *data = xdpf->data; in mtk_xdp_submit_frame()
1872 if (unlikely(test_bit(MTK_RESETTING, ð->state))) in mtk_xdp_submit_frame()
1873 return -EBUSY; in mtk_xdp_submit_frame()
1875 nr_frags = unlikely(xdp_frame_has_frags(xdpf)) ? sinfo->nr_frags : 0; in mtk_xdp_submit_frame()
1876 if (unlikely(atomic_read(&ring->free_count) <= 1 + nr_frags)) in mtk_xdp_submit_frame()
1877 return -EBUSY; in mtk_xdp_submit_frame()
1879 spin_lock(ð->page_lock); in mtk_xdp_submit_frame()
1881 txd = ring->next_free; in mtk_xdp_submit_frame()
1882 if (txd == ring->last_free) { in mtk_xdp_submit_frame()
1883 spin_unlock(ð->page_lock); in mtk_xdp_submit_frame()
1884 return -ENOMEM; in mtk_xdp_submit_frame()
1888 tx_buf = mtk_desc_to_tx_buf(ring, txd, soc->tx.desc_size); in mtk_xdp_submit_frame()
1893 err = mtk_xdp_frame_map(eth, dev, &txd_info, txd, tx_buf, in mtk_xdp_submit_frame()
1894 data, xdpf->headroom, index, dma_map); in mtk_xdp_submit_frame()
1901 if (MTK_HAS_CAPS(soc->caps, MTK_QDMA) || (index & 0x1)) { in mtk_xdp_submit_frame()
1902 txd = mtk_qdma_phys_to_virt(ring, txd->txd2); in mtk_xdp_submit_frame()
1903 if (txd == ring->last_free) in mtk_xdp_submit_frame()
1907 soc->tx.desc_size); in mtk_xdp_submit_frame()
1913 txd_info.size = skb_frag_size(&sinfo->frags[index]); in mtk_xdp_submit_frame()
1915 txd_info.qid = mac->id; in mtk_xdp_submit_frame()
1916 data = skb_frag_address(&sinfo->frags[index]); in mtk_xdp_submit_frame()
1921 htx_buf->data = xdpf; in mtk_xdp_submit_frame()
1923 if (!MTK_HAS_CAPS(soc->caps, MTK_QDMA)) { in mtk_xdp_submit_frame()
1927 txd_pdma->txd2 |= TX_DMA_LS0; in mtk_xdp_submit_frame()
1929 txd_pdma->txd2 |= TX_DMA_LS1; in mtk_xdp_submit_frame()
1932 ring->next_free = mtk_qdma_phys_to_virt(ring, txd->txd2); in mtk_xdp_submit_frame()
1933 atomic_sub(n_desc, &ring->free_count); in mtk_xdp_submit_frame()
1940 if (MTK_HAS_CAPS(soc->caps, MTK_QDMA)) { in mtk_xdp_submit_frame()
1941 mtk_w32(eth, txd->txd2, soc->reg_map->qdma.ctx_ptr); in mtk_xdp_submit_frame()
1945 idx = txd_to_idx(ring, txd, soc->tx.desc_size); in mtk_xdp_submit_frame()
1946 mtk_w32(eth, NEXT_DESP_IDX(idx, ring->dma_size), in mtk_xdp_submit_frame()
1950 spin_unlock(ð->page_lock); in mtk_xdp_submit_frame()
1956 tx_buf = mtk_desc_to_tx_buf(ring, htxd, soc->tx.desc_size); in mtk_xdp_submit_frame()
1957 mtk_tx_unmap(eth, tx_buf, NULL, false); in mtk_xdp_submit_frame()
1959 htxd->txd3 = TX_DMA_LS0 | TX_DMA_OWNER_CPU; in mtk_xdp_submit_frame()
1960 if (!MTK_HAS_CAPS(soc->caps, MTK_QDMA)) { in mtk_xdp_submit_frame()
1963 txd_pdma->txd2 = TX_DMA_DESP2_DEF; in mtk_xdp_submit_frame()
1966 htxd = mtk_qdma_phys_to_virt(ring, htxd->txd2); in mtk_xdp_submit_frame()
1969 spin_unlock(ð->page_lock); in mtk_xdp_submit_frame()
1977 struct mtk_mac *mac = netdev_priv(dev); in mtk_xdp_xmit() local
1978 struct mtk_hw_stats *hw_stats = mac->hw_stats; in mtk_xdp_xmit()
1979 struct mtk_eth *eth = mac->hw; in mtk_xdp_xmit() local
1983 return -EINVAL; in mtk_xdp_xmit()
1986 if (mtk_xdp_submit_frame(eth, frames[i], dev, true)) in mtk_xdp_xmit()
1991 u64_stats_update_begin(&hw_stats->syncp); in mtk_xdp_xmit()
1992 hw_stats->xdp_stats.tx_xdp_xmit += nxmit; in mtk_xdp_xmit()
1993 hw_stats->xdp_stats.tx_xdp_xmit_errors += num_frame - nxmit; in mtk_xdp_xmit()
1994 u64_stats_update_end(&hw_stats->syncp); in mtk_xdp_xmit()
1999 static u32 mtk_xdp_run(struct mtk_eth *eth, struct mtk_rx_ring *ring, in mtk_xdp_run() argument
2002 struct mtk_mac *mac = netdev_priv(dev); in mtk_xdp_run() local
2003 struct mtk_hw_stats *hw_stats = mac->hw_stats; in mtk_xdp_run()
2004 u64 *count = &hw_stats->xdp_stats.rx_xdp_drop; in mtk_xdp_run()
2010 prog = rcu_dereference(eth->prog); in mtk_xdp_run()
2017 count = &hw_stats->xdp_stats.rx_xdp_pass; in mtk_xdp_run()
2025 count = &hw_stats->xdp_stats.rx_xdp_redirect; in mtk_xdp_run()
2030 if (!xdpf || mtk_xdp_submit_frame(eth, xdpf, dev, false)) { in mtk_xdp_run()
2031 count = &hw_stats->xdp_stats.rx_xdp_tx_errors; in mtk_xdp_run()
2036 count = &hw_stats->xdp_stats.rx_xdp_tx; in mtk_xdp_run()
2049 page_pool_put_full_page(ring->page_pool, in mtk_xdp_run()
2050 virt_to_head_page(xdp->data), true); in mtk_xdp_run()
2053 u64_stats_update_begin(&hw_stats->syncp); in mtk_xdp_run()
2055 u64_stats_update_end(&hw_stats->syncp); in mtk_xdp_run()
2063 struct mtk_eth *eth) in mtk_poll_rx() argument
2081 int mac = 0; in mtk_poll_rx() local
2083 ring = mtk_get_rx_ring(eth); in mtk_poll_rx()
2087 idx = NEXT_DESP_IDX(ring->calc_idx, ring->dma_size); in mtk_poll_rx()
2088 rxd = ring->dma + idx * eth->soc->rx.desc_size; in mtk_poll_rx()
2089 data = ring->data[idx]; in mtk_poll_rx()
2091 if (!mtk_rx_get_desc(eth, &trxd, rxd)) in mtk_poll_rx()
2094 /* find out which mac the packet come from. values start at 1 */ in mtk_poll_rx()
2095 if (mtk_is_netsys_v3_or_greater(eth)) { in mtk_poll_rx()
2101 mac = val - 1; in mtk_poll_rx()
2104 mac = MTK_GMAC3_ID; in mtk_poll_rx()
2109 } else if (!MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628) && in mtk_poll_rx()
2111 mac = RX_DMA_GET_SPORT(trxd.rxd4) - 1; in mtk_poll_rx()
2114 if (unlikely(mac < 0 || mac >= MTK_MAX_DEVS || in mtk_poll_rx()
2115 !eth->netdev[mac])) in mtk_poll_rx()
2118 netdev = eth->netdev[mac]; in mtk_poll_rx()
2119 ppe_idx = eth->mac[mac]->ppe_idx; in mtk_poll_rx()
2121 if (unlikely(test_bit(MTK_RESETTING, ð->state))) in mtk_poll_rx()
2127 if (ring->page_pool) { in mtk_poll_rx()
2132 new_data = mtk_page_pool_get_buff(ring->page_pool, in mtk_poll_rx()
2136 netdev->stats.rx_dropped++; in mtk_poll_rx()
2140 dma_sync_single_for_cpu(eth->dma_dev, in mtk_poll_rx()
2142 pktlen, page_pool_get_dma_dir(ring->page_pool)); in mtk_poll_rx()
2144 xdp_init_buff(&xdp, PAGE_SIZE, &ring->xdp_q); in mtk_poll_rx()
2149 ret = mtk_xdp_run(eth, ring, &xdp, netdev); in mtk_poll_rx()
2158 page_pool_put_full_page(ring->page_pool, in mtk_poll_rx()
2160 netdev->stats.rx_dropped++; in mtk_poll_rx()
2164 skb_reserve(skb, xdp.data - xdp.data_hard_start); in mtk_poll_rx()
2165 skb_put(skb, xdp.data_end - xdp.data); in mtk_poll_rx()
2166 metasize = xdp.data - xdp.data_meta; in mtk_poll_rx()
2171 if (ring->frag_size <= PAGE_SIZE) in mtk_poll_rx()
2172 new_data = napi_alloc_frag(ring->frag_size); in mtk_poll_rx()
2177 netdev->stats.rx_dropped++; in mtk_poll_rx()
2181 dma_addr = dma_map_single(eth->dma_dev, in mtk_poll_rx()
2182 new_data + NET_SKB_PAD + eth->ip_align, in mtk_poll_rx()
2183 ring->buf_size, DMA_FROM_DEVICE); in mtk_poll_rx()
2184 if (unlikely(dma_mapping_error(eth->dma_dev, in mtk_poll_rx()
2187 netdev->stats.rx_dropped++; in mtk_poll_rx()
2191 if (MTK_HAS_CAPS(eth->soc->caps, MTK_36BIT_DMA)) in mtk_poll_rx()
2194 dma_unmap_single(eth->dma_dev, ((u64)trxd.rxd1 | addr64), in mtk_poll_rx()
2195 ring->buf_size, DMA_FROM_DEVICE); in mtk_poll_rx()
2197 skb = build_skb(data, ring->frag_size); in mtk_poll_rx()
2199 netdev->stats.rx_dropped++; in mtk_poll_rx()
2208 skb->dev = netdev; in mtk_poll_rx()
2209 bytes += skb->len; in mtk_poll_rx()
2211 if (mtk_is_netsys_v3_or_greater(eth)) { in mtk_poll_rx()
2227 if (*rxdcsum & eth->soc->rx.dma_l4_valid) in mtk_poll_rx()
2228 skb->ip_summed = CHECKSUM_UNNECESSARY; in mtk_poll_rx()
2231 skb->protocol = eth_type_trans(skb, netdev); in mtk_poll_rx()
2236 if (mtk_is_netsys_v1(eth) && (trxd.rxd2 & RX_DMA_VTAG) && in mtk_poll_rx()
2240 if (port < ARRAY_SIZE(eth->dsa_meta) && in mtk_poll_rx()
2241 eth->dsa_meta[port]) in mtk_poll_rx()
2242 skb_dst_set_noref(skb, ð->dsa_meta[port]->dst); in mtk_poll_rx()
2246 mtk_ppe_check_skb(eth->ppe[ppe_idx], skb, hash); in mtk_poll_rx()
2252 ring->data[idx] = new_data; in mtk_poll_rx()
2253 rxd->rxd1 = (unsigned int)dma_addr; in mtk_poll_rx()
2255 if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) in mtk_poll_rx()
2256 rxd->rxd2 = RX_DMA_LSO; in mtk_poll_rx()
2258 rxd->rxd2 = RX_DMA_PREP_PLEN0(ring->buf_size); in mtk_poll_rx()
2260 if (MTK_HAS_CAPS(eth->soc->caps, MTK_36BIT_DMA) && in mtk_poll_rx()
2262 rxd->rxd2 |= RX_DMA_PREP_ADDR64(dma_addr); in mtk_poll_rx()
2264 ring->calc_idx = idx; in mtk_poll_rx()
2274 mtk_update_rx_cpu_idx(eth); in mtk_poll_rx()
2277 eth->rx_packets += done; in mtk_poll_rx()
2278 eth->rx_bytes += bytes; in mtk_poll_rx()
2279 dim_update_sample(eth->rx_events, eth->rx_packets, eth->rx_bytes, in mtk_poll_rx()
2281 net_dim(ð->rx_dim, &dim_sample); in mtk_poll_rx()
2297 mtk_poll_tx_done(struct mtk_eth *eth, struct mtk_poll_state *state, u8 mac, in mtk_poll_tx_done() argument
2302 unsigned int bytes = skb->len; in mtk_poll_tx_done()
2304 state->total++; in mtk_poll_tx_done()
2305 eth->tx_packets++; in mtk_poll_tx_done()
2306 eth->tx_bytes += bytes; in mtk_poll_tx_done()
2308 dev = eth->netdev[mac]; in mtk_poll_tx_done()
2313 if (state->txq == txq) { in mtk_poll_tx_done()
2314 state->done++; in mtk_poll_tx_done()
2315 state->bytes += bytes; in mtk_poll_tx_done()
2319 if (state->txq) in mtk_poll_tx_done()
2320 netdev_tx_completed_queue(state->txq, state->done, state->bytes); in mtk_poll_tx_done()
2322 state->txq = txq; in mtk_poll_tx_done()
2323 state->done = 1; in mtk_poll_tx_done()
2324 state->bytes = bytes; in mtk_poll_tx_done()
2327 static int mtk_poll_tx_qdma(struct mtk_eth *eth, int budget, in mtk_poll_tx_qdma() argument
2330 const struct mtk_reg_map *reg_map = eth->soc->reg_map; in mtk_poll_tx_qdma()
2331 struct mtk_tx_ring *ring = ð->tx_ring; in mtk_poll_tx_qdma()
2337 cpu = ring->last_free_ptr; in mtk_poll_tx_qdma()
2338 dma = mtk_r32(eth, reg_map->qdma.drx_ptr); in mtk_poll_tx_qdma()
2344 u32 next_cpu = desc->txd2; in mtk_poll_tx_qdma()
2346 desc = mtk_qdma_phys_to_virt(ring, desc->txd2); in mtk_poll_tx_qdma()
2347 if ((desc->txd3 & TX_DMA_OWNER_CPU) == 0) in mtk_poll_tx_qdma()
2351 eth->soc->tx.desc_size); in mtk_poll_tx_qdma()
2352 if (!tx_buf->data) in mtk_poll_tx_qdma()
2355 if (tx_buf->data != (void *)MTK_DMA_DUMMY_DESC) { in mtk_poll_tx_qdma()
2356 if (tx_buf->type == MTK_TYPE_SKB) in mtk_poll_tx_qdma()
2357 mtk_poll_tx_done(eth, state, tx_buf->mac_id, in mtk_poll_tx_qdma()
2358 tx_buf->data); in mtk_poll_tx_qdma()
2360 budget--; in mtk_poll_tx_qdma()
2362 mtk_tx_unmap(eth, tx_buf, &bq, true); in mtk_poll_tx_qdma()
2364 ring->last_free = desc; in mtk_poll_tx_qdma()
2365 atomic_inc(&ring->free_count); in mtk_poll_tx_qdma()
2371 ring->last_free_ptr = cpu; in mtk_poll_tx_qdma()
2372 mtk_w32(eth, cpu, reg_map->qdma.crx_ptr); in mtk_poll_tx_qdma()
2377 static int mtk_poll_tx_pdma(struct mtk_eth *eth, int budget, in mtk_poll_tx_pdma() argument
2380 struct mtk_tx_ring *ring = ð->tx_ring; in mtk_poll_tx_pdma()
2386 cpu = ring->cpu_idx; in mtk_poll_tx_pdma()
2387 dma = mtk_r32(eth, MT7628_TX_DTX_IDX0); in mtk_poll_tx_pdma()
2391 tx_buf = &ring->buf[cpu]; in mtk_poll_tx_pdma()
2392 if (!tx_buf->data) in mtk_poll_tx_pdma()
2395 if (tx_buf->data != (void *)MTK_DMA_DUMMY_DESC) { in mtk_poll_tx_pdma()
2396 if (tx_buf->type == MTK_TYPE_SKB) in mtk_poll_tx_pdma()
2397 mtk_poll_tx_done(eth, state, 0, tx_buf->data); in mtk_poll_tx_pdma()
2398 budget--; in mtk_poll_tx_pdma()
2400 mtk_tx_unmap(eth, tx_buf, &bq, true); in mtk_poll_tx_pdma()
2402 desc = ring->dma + cpu * eth->soc->tx.desc_size; in mtk_poll_tx_pdma()
2403 ring->last_free = desc; in mtk_poll_tx_pdma()
2404 atomic_inc(&ring->free_count); in mtk_poll_tx_pdma()
2406 cpu = NEXT_DESP_IDX(cpu, ring->dma_size); in mtk_poll_tx_pdma()
2410 ring->cpu_idx = cpu; in mtk_poll_tx_pdma()
2415 static int mtk_poll_tx(struct mtk_eth *eth, int budget) in mtk_poll_tx() argument
2417 struct mtk_tx_ring *ring = ð->tx_ring; in mtk_poll_tx()
2421 if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) in mtk_poll_tx()
2422 budget = mtk_poll_tx_qdma(eth, budget, &state); in mtk_poll_tx()
2424 budget = mtk_poll_tx_pdma(eth, budget, &state); in mtk_poll_tx()
2429 dim_update_sample(eth->tx_events, eth->tx_packets, eth->tx_bytes, in mtk_poll_tx()
2431 net_dim(ð->tx_dim, &dim_sample); in mtk_poll_tx()
2433 if (mtk_queue_stopped(eth) && in mtk_poll_tx()
2434 (atomic_read(&ring->free_count) > ring->thresh)) in mtk_poll_tx()
2435 mtk_wake_queue(eth); in mtk_poll_tx()
2440 static void mtk_handle_status_irq(struct mtk_eth *eth) in mtk_handle_status_irq() argument
2442 u32 status2 = mtk_r32(eth, MTK_INT_STATUS2); in mtk_handle_status_irq()
2445 mtk_stats_update(eth); in mtk_handle_status_irq()
2446 mtk_w32(eth, (MTK_GDM1_AF | MTK_GDM2_AF), in mtk_handle_status_irq()
2453 struct mtk_eth *eth = container_of(napi, struct mtk_eth, tx_napi); in mtk_napi_tx() local
2454 const struct mtk_reg_map *reg_map = eth->soc->reg_map; in mtk_napi_tx()
2457 if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) in mtk_napi_tx()
2458 mtk_handle_status_irq(eth); in mtk_napi_tx()
2459 mtk_w32(eth, MTK_TX_DONE_INT, reg_map->tx_irq_status); in mtk_napi_tx()
2460 tx_done = mtk_poll_tx(eth, budget); in mtk_napi_tx()
2462 if (unlikely(netif_msg_intr(eth))) { in mtk_napi_tx()
2463 dev_info(eth->dev, in mtk_napi_tx()
2465 mtk_r32(eth, reg_map->tx_irq_status), in mtk_napi_tx()
2466 mtk_r32(eth, reg_map->tx_irq_mask)); in mtk_napi_tx()
2472 if (mtk_r32(eth, reg_map->tx_irq_status) & MTK_TX_DONE_INT) in mtk_napi_tx()
2476 mtk_tx_irq_enable(eth, MTK_TX_DONE_INT); in mtk_napi_tx()
2483 struct mtk_eth *eth = container_of(napi, struct mtk_eth, rx_napi); in mtk_napi_rx() local
2484 const struct mtk_reg_map *reg_map = eth->soc->reg_map; in mtk_napi_rx()
2487 mtk_handle_status_irq(eth); in mtk_napi_rx()
2492 mtk_w32(eth, eth->soc->rx.irq_done_mask, in mtk_napi_rx()
2493 reg_map->pdma.irq_status); in mtk_napi_rx()
2494 rx_done = mtk_poll_rx(napi, budget - rx_done_total, eth); in mtk_napi_rx()
2497 if (unlikely(netif_msg_intr(eth))) { in mtk_napi_rx()
2498 dev_info(eth->dev, in mtk_napi_rx()
2500 mtk_r32(eth, reg_map->pdma.irq_status), in mtk_napi_rx()
2501 mtk_r32(eth, reg_map->pdma.irq_mask)); in mtk_napi_rx()
2507 } while (mtk_r32(eth, reg_map->pdma.irq_status) & in mtk_napi_rx()
2508 eth->soc->rx.irq_done_mask); in mtk_napi_rx()
2511 mtk_rx_irq_enable(eth, eth->soc->rx.irq_done_mask); in mtk_napi_rx()
2516 static int mtk_tx_alloc(struct mtk_eth *eth) in mtk_tx_alloc() argument
2518 const struct mtk_soc_data *soc = eth->soc; in mtk_tx_alloc()
2519 struct mtk_tx_ring *ring = ð->tx_ring; in mtk_tx_alloc()
2520 int i, sz = soc->tx.desc_size; in mtk_tx_alloc()
2525 if (MTK_HAS_CAPS(soc->caps, MTK_QDMA)) in mtk_tx_alloc()
2528 ring_size = soc->tx.dma_size; in mtk_tx_alloc()
2530 ring->buf = kcalloc(ring_size, sizeof(*ring->buf), in mtk_tx_alloc()
2532 if (!ring->buf) in mtk_tx_alloc()
2535 if (MTK_HAS_CAPS(soc->caps, MTK_SRAM)) { in mtk_tx_alloc()
2536 ring->dma = eth->sram_base + soc->tx.fq_dma_size * sz; in mtk_tx_alloc()
2537 ring->phys = eth->phy_scratch_ring + soc->tx.fq_dma_size * (dma_addr_t)sz; in mtk_tx_alloc()
2539 ring->dma = dma_alloc_coherent(eth->dma_dev, ring_size * sz, in mtk_tx_alloc()
2540 &ring->phys, GFP_KERNEL); in mtk_tx_alloc()
2543 if (!ring->dma) in mtk_tx_alloc()
2548 u32 next_ptr = ring->phys + next * sz; in mtk_tx_alloc()
2550 txd = ring->dma + i * sz; in mtk_tx_alloc()
2551 txd->txd2 = next_ptr; in mtk_tx_alloc()
2552 txd->txd3 = TX_DMA_LS0 | TX_DMA_OWNER_CPU; in mtk_tx_alloc()
2553 txd->txd4 = 0; in mtk_tx_alloc()
2554 if (mtk_is_netsys_v2_or_greater(eth)) { in mtk_tx_alloc()
2555 txd->txd5 = 0; in mtk_tx_alloc()
2556 txd->txd6 = 0; in mtk_tx_alloc()
2557 txd->txd7 = 0; in mtk_tx_alloc()
2558 txd->txd8 = 0; in mtk_tx_alloc()
2562 /* On MT7688 (PDMA only) this driver uses the ring->dma structs in mtk_tx_alloc()
2564 * descriptors in ring->dma_pdma. in mtk_tx_alloc()
2566 if (!MTK_HAS_CAPS(soc->caps, MTK_QDMA)) { in mtk_tx_alloc()
2567 ring->dma_pdma = dma_alloc_coherent(eth->dma_dev, ring_size * sz, in mtk_tx_alloc()
2568 &ring->phys_pdma, GFP_KERNEL); in mtk_tx_alloc()
2569 if (!ring->dma_pdma) in mtk_tx_alloc()
2573 ring->dma_pdma[i].txd2 = TX_DMA_DESP2_DEF; in mtk_tx_alloc()
2574 ring->dma_pdma[i].txd4 = 0; in mtk_tx_alloc()
2578 ring->dma_size = ring_size; in mtk_tx_alloc()
2579 atomic_set(&ring->free_count, ring_size - 2); in mtk_tx_alloc()
2580 ring->next_free = ring->dma; in mtk_tx_alloc()
2581 ring->last_free = (void *)txd; in mtk_tx_alloc()
2582 ring->last_free_ptr = (u32)(ring->phys + ((ring_size - 1) * sz)); in mtk_tx_alloc()
2583 ring->thresh = MAX_SKB_FRAGS; in mtk_tx_alloc()
2590 if (MTK_HAS_CAPS(soc->caps, MTK_QDMA)) { in mtk_tx_alloc()
2591 mtk_w32(eth, ring->phys, soc->reg_map->qdma.ctx_ptr); in mtk_tx_alloc()
2592 mtk_w32(eth, ring->phys, soc->reg_map->qdma.dtx_ptr); in mtk_tx_alloc()
2593 mtk_w32(eth, in mtk_tx_alloc()
2594 ring->phys + ((ring_size - 1) * sz), in mtk_tx_alloc()
2595 soc->reg_map->qdma.crx_ptr); in mtk_tx_alloc()
2596 mtk_w32(eth, ring->last_free_ptr, soc->reg_map->qdma.drx_ptr); in mtk_tx_alloc()
2600 mtk_w32(eth, val, soc->reg_map->qdma.qtx_cfg + ofs); in mtk_tx_alloc()
2607 if (mtk_is_netsys_v1(eth)) in mtk_tx_alloc()
2609 mtk_w32(eth, val, soc->reg_map->qdma.qtx_sch + ofs); in mtk_tx_alloc()
2613 mtk_w32(eth, val, soc->reg_map->qdma.tx_sch_rate); in mtk_tx_alloc()
2614 if (mtk_is_netsys_v2_or_greater(eth)) in mtk_tx_alloc()
2615 mtk_w32(eth, val, soc->reg_map->qdma.tx_sch_rate + 4); in mtk_tx_alloc()
2617 mtk_w32(eth, ring->phys_pdma, MT7628_TX_BASE_PTR0); in mtk_tx_alloc()
2618 mtk_w32(eth, ring_size, MT7628_TX_MAX_CNT0); in mtk_tx_alloc()
2619 mtk_w32(eth, 0, MT7628_TX_CTX_IDX0); in mtk_tx_alloc()
2620 mtk_w32(eth, MT7628_PST_DTX_IDX0, soc->reg_map->pdma.rst_idx); in mtk_tx_alloc()
2626 return -ENOMEM; in mtk_tx_alloc()
2629 static void mtk_tx_clean(struct mtk_eth *eth) in mtk_tx_clean() argument
2631 const struct mtk_soc_data *soc = eth->soc; in mtk_tx_clean()
2632 struct mtk_tx_ring *ring = ð->tx_ring; in mtk_tx_clean()
2635 if (ring->buf) { in mtk_tx_clean()
2636 for (i = 0; i < ring->dma_size; i++) in mtk_tx_clean()
2637 mtk_tx_unmap(eth, &ring->buf[i], NULL, false); in mtk_tx_clean()
2638 kfree(ring->buf); in mtk_tx_clean()
2639 ring->buf = NULL; in mtk_tx_clean()
2641 if (!MTK_HAS_CAPS(soc->caps, MTK_SRAM) && ring->dma) { in mtk_tx_clean()
2642 dma_free_coherent(eth->dma_dev, in mtk_tx_clean()
2643 ring->dma_size * soc->tx.desc_size, in mtk_tx_clean()
2644 ring->dma, ring->phys); in mtk_tx_clean()
2645 ring->dma = NULL; in mtk_tx_clean()
2648 if (ring->dma_pdma) { in mtk_tx_clean()
2649 dma_free_coherent(eth->dma_dev, in mtk_tx_clean()
2650 ring->dma_size * soc->tx.desc_size, in mtk_tx_clean()
2651 ring->dma_pdma, ring->phys_pdma); in mtk_tx_clean()
2652 ring->dma_pdma = NULL; in mtk_tx_clean()
2656 static int mtk_rx_alloc(struct mtk_eth *eth, int ring_no, int rx_flag) in mtk_rx_alloc() argument
2658 const struct mtk_reg_map *reg_map = eth->soc->reg_map; in mtk_rx_alloc()
2659 const struct mtk_soc_data *soc = eth->soc; in mtk_rx_alloc()
2664 if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) in mtk_rx_alloc()
2667 tx_ring_size = soc->tx.dma_size; in mtk_rx_alloc()
2671 return -EINVAL; in mtk_rx_alloc()
2672 ring = ð->rx_ring_qdma; in mtk_rx_alloc()
2674 ring = ð->rx_ring[ring_no]; in mtk_rx_alloc()
2682 rx_dma_size = soc->rx.dma_size; in mtk_rx_alloc()
2685 ring->frag_size = mtk_max_frag_size(rx_data_len); in mtk_rx_alloc()
2686 ring->buf_size = mtk_max_buf_size(ring->frag_size); in mtk_rx_alloc()
2687 ring->data = kcalloc(rx_dma_size, sizeof(*ring->data), in mtk_rx_alloc()
2689 if (!ring->data) in mtk_rx_alloc()
2690 return -ENOMEM; in mtk_rx_alloc()
2692 if (mtk_page_pool_enabled(eth)) { in mtk_rx_alloc()
2695 pp = mtk_create_page_pool(eth, &ring->xdp_q, ring_no, in mtk_rx_alloc()
2700 ring->page_pool = pp; in mtk_rx_alloc()
2703 if (!MTK_HAS_CAPS(eth->soc->caps, MTK_SRAM) || in mtk_rx_alloc()
2705 ring->dma = dma_alloc_coherent(eth->dma_dev, in mtk_rx_alloc()
2706 rx_dma_size * eth->soc->rx.desc_size, in mtk_rx_alloc()
2707 &ring->phys, GFP_KERNEL); in mtk_rx_alloc()
2709 struct mtk_tx_ring *tx_ring = ð->tx_ring; in mtk_rx_alloc()
2711 ring->dma = tx_ring->dma + tx_ring_size * in mtk_rx_alloc()
2712 eth->soc->tx.desc_size * (ring_no + 1); in mtk_rx_alloc()
2713 ring->phys = tx_ring->phys + tx_ring_size * in mtk_rx_alloc()
2714 eth->soc->tx.desc_size * (ring_no + 1); in mtk_rx_alloc()
2717 if (!ring->dma) in mtk_rx_alloc()
2718 return -ENOMEM; in mtk_rx_alloc()
2725 rxd = ring->dma + i * eth->soc->rx.desc_size; in mtk_rx_alloc()
2726 if (ring->page_pool) { in mtk_rx_alloc()
2727 data = mtk_page_pool_get_buff(ring->page_pool, in mtk_rx_alloc()
2730 return -ENOMEM; in mtk_rx_alloc()
2732 if (ring->frag_size <= PAGE_SIZE) in mtk_rx_alloc()
2733 data = netdev_alloc_frag(ring->frag_size); in mtk_rx_alloc()
2738 return -ENOMEM; in mtk_rx_alloc()
2740 dma_addr = dma_map_single(eth->dma_dev, in mtk_rx_alloc()
2741 data + NET_SKB_PAD + eth->ip_align, in mtk_rx_alloc()
2742 ring->buf_size, DMA_FROM_DEVICE); in mtk_rx_alloc()
2743 if (unlikely(dma_mapping_error(eth->dma_dev, in mtk_rx_alloc()
2746 return -ENOMEM; in mtk_rx_alloc()
2749 rxd->rxd1 = (unsigned int)dma_addr; in mtk_rx_alloc()
2750 ring->data[i] = data; in mtk_rx_alloc()
2752 if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) in mtk_rx_alloc()
2753 rxd->rxd2 = RX_DMA_LSO; in mtk_rx_alloc()
2755 rxd->rxd2 = RX_DMA_PREP_PLEN0(ring->buf_size); in mtk_rx_alloc()
2757 if (MTK_HAS_CAPS(eth->soc->caps, MTK_36BIT_DMA)) in mtk_rx_alloc()
2758 rxd->rxd2 |= RX_DMA_PREP_ADDR64(dma_addr); in mtk_rx_alloc()
2760 rxd->rxd3 = 0; in mtk_rx_alloc()
2761 rxd->rxd4 = 0; in mtk_rx_alloc()
2762 if (mtk_is_netsys_v3_or_greater(eth)) { in mtk_rx_alloc()
2763 rxd->rxd5 = 0; in mtk_rx_alloc()
2764 rxd->rxd6 = 0; in mtk_rx_alloc()
2765 rxd->rxd7 = 0; in mtk_rx_alloc()
2766 rxd->rxd8 = 0; in mtk_rx_alloc()
2770 ring->dma_size = rx_dma_size; in mtk_rx_alloc()
2771 ring->calc_idx_update = false; in mtk_rx_alloc()
2772 ring->calc_idx = rx_dma_size - 1; in mtk_rx_alloc()
2774 ring->crx_idx_reg = reg_map->qdma.qcrx_ptr + in mtk_rx_alloc()
2777 ring->crx_idx_reg = reg_map->pdma.pcrx_ptr + in mtk_rx_alloc()
2785 mtk_w32(eth, ring->phys, in mtk_rx_alloc()
2786 reg_map->qdma.rx_ptr + ring_no * MTK_QRX_OFFSET); in mtk_rx_alloc()
2787 mtk_w32(eth, rx_dma_size, in mtk_rx_alloc()
2788 reg_map->qdma.rx_cnt_cfg + ring_no * MTK_QRX_OFFSET); in mtk_rx_alloc()
2789 mtk_w32(eth, MTK_PST_DRX_IDX_CFG(ring_no), in mtk_rx_alloc()
2790 reg_map->qdma.rst_idx); in mtk_rx_alloc()
2792 mtk_w32(eth, ring->phys, in mtk_rx_alloc()
2793 reg_map->pdma.rx_ptr + ring_no * MTK_QRX_OFFSET); in mtk_rx_alloc()
2794 mtk_w32(eth, rx_dma_size, in mtk_rx_alloc()
2795 reg_map->pdma.rx_cnt_cfg + ring_no * MTK_QRX_OFFSET); in mtk_rx_alloc()
2796 mtk_w32(eth, MTK_PST_DRX_IDX_CFG(ring_no), in mtk_rx_alloc()
2797 reg_map->pdma.rst_idx); in mtk_rx_alloc()
2799 mtk_w32(eth, ring->calc_idx, ring->crx_idx_reg); in mtk_rx_alloc()
2804 static void mtk_rx_clean(struct mtk_eth *eth, struct mtk_rx_ring *ring, bool in_sram) in mtk_rx_clean() argument
2809 if (ring->data && ring->dma) { in mtk_rx_clean()
2810 for (i = 0; i < ring->dma_size; i++) { in mtk_rx_clean()
2813 if (!ring->data[i]) in mtk_rx_clean()
2816 rxd = ring->dma + i * eth->soc->rx.desc_size; in mtk_rx_clean()
2817 if (!rxd->rxd1) in mtk_rx_clean()
2820 if (MTK_HAS_CAPS(eth->soc->caps, MTK_36BIT_DMA)) in mtk_rx_clean()
2821 addr64 = RX_DMA_GET_ADDR64(rxd->rxd2); in mtk_rx_clean()
2823 dma_unmap_single(eth->dma_dev, ((u64)rxd->rxd1 | addr64), in mtk_rx_clean()
2824 ring->buf_size, DMA_FROM_DEVICE); in mtk_rx_clean()
2825 mtk_rx_put_buff(ring, ring->data[i], false); in mtk_rx_clean()
2827 kfree(ring->data); in mtk_rx_clean()
2828 ring->data = NULL; in mtk_rx_clean()
2831 if (!in_sram && ring->dma) { in mtk_rx_clean()
2832 dma_free_coherent(eth->dma_dev, in mtk_rx_clean()
2833 ring->dma_size * eth->soc->rx.desc_size, in mtk_rx_clean()
2834 ring->dma, ring->phys); in mtk_rx_clean()
2835 ring->dma = NULL; in mtk_rx_clean()
2838 if (ring->page_pool) { in mtk_rx_clean()
2839 if (xdp_rxq_info_is_reg(&ring->xdp_q)) in mtk_rx_clean()
2840 xdp_rxq_info_unreg(&ring->xdp_q); in mtk_rx_clean()
2841 page_pool_destroy(ring->page_pool); in mtk_rx_clean()
2842 ring->page_pool = NULL; in mtk_rx_clean()
2846 static int mtk_hwlro_rx_init(struct mtk_eth *eth) in mtk_hwlro_rx_init() argument
2852 /* set LRO rings to auto-learn modes */ in mtk_hwlro_rx_init()
2870 mtk_w32(eth, ring_ctrl_dw1, MTK_LRO_CTRL_DW1_CFG(i)); in mtk_hwlro_rx_init()
2871 mtk_w32(eth, ring_ctrl_dw2, MTK_LRO_CTRL_DW2_CFG(i)); in mtk_hwlro_rx_init()
2872 mtk_w32(eth, ring_ctrl_dw3, MTK_LRO_CTRL_DW3_CFG(i)); in mtk_hwlro_rx_init()
2882 mtk_w32(eth, MTK_HW_LRO_BW_THRE, MTK_PDMA_LRO_CTRL_DW2); in mtk_hwlro_rx_init()
2884 /* auto-learn score delta setting */ in mtk_hwlro_rx_init()
2885 mtk_w32(eth, MTK_HW_LRO_REPLACE_DELTA, MTK_PDMA_LRO_ALT_SCORE_DELTA); in mtk_hwlro_rx_init()
2888 mtk_w32(eth, (MTK_HW_LRO_TIMER_UNIT << 16) | MTK_HW_LRO_REFRESH_TIME, in mtk_hwlro_rx_init()
2900 mtk_w32(eth, lro_ctrl_dw3, MTK_PDMA_LRO_CTRL_DW3); in mtk_hwlro_rx_init()
2901 mtk_w32(eth, lro_ctrl_dw0, MTK_PDMA_LRO_CTRL_DW0); in mtk_hwlro_rx_init()
2906 static void mtk_hwlro_rx_uninit(struct mtk_eth *eth) in mtk_hwlro_rx_uninit() argument
2912 mtk_w32(eth, MTK_LRO_RING_RELINQUISH_REQ, MTK_PDMA_LRO_CTRL_DW0); in mtk_hwlro_rx_uninit()
2916 val = mtk_r32(eth, MTK_PDMA_LRO_CTRL_DW0); in mtk_hwlro_rx_uninit()
2926 mtk_w32(eth, 0, MTK_LRO_CTRL_DW2_CFG(i)); in mtk_hwlro_rx_uninit()
2929 mtk_w32(eth, 0, MTK_PDMA_LRO_CTRL_DW0); in mtk_hwlro_rx_uninit()
2932 static void mtk_hwlro_val_ipaddr(struct mtk_eth *eth, int idx, __be32 ip) in mtk_hwlro_val_ipaddr() argument
2936 reg_val = mtk_r32(eth, MTK_LRO_CTRL_DW2_CFG(idx)); in mtk_hwlro_val_ipaddr()
2939 mtk_w32(eth, (reg_val & ~MTK_RING_MYIP_VLD), MTK_LRO_CTRL_DW2_CFG(idx)); in mtk_hwlro_val_ipaddr()
2941 mtk_w32(eth, ip, MTK_LRO_DIP_DW0_CFG(idx)); in mtk_hwlro_val_ipaddr()
2944 mtk_w32(eth, (reg_val | MTK_RING_MYIP_VLD), MTK_LRO_CTRL_DW2_CFG(idx)); in mtk_hwlro_val_ipaddr()
2947 static void mtk_hwlro_inval_ipaddr(struct mtk_eth *eth, int idx) in mtk_hwlro_inval_ipaddr() argument
2951 reg_val = mtk_r32(eth, MTK_LRO_CTRL_DW2_CFG(idx)); in mtk_hwlro_inval_ipaddr()
2954 mtk_w32(eth, (reg_val & ~MTK_RING_MYIP_VLD), MTK_LRO_CTRL_DW2_CFG(idx)); in mtk_hwlro_inval_ipaddr()
2956 mtk_w32(eth, 0, MTK_LRO_DIP_DW0_CFG(idx)); in mtk_hwlro_inval_ipaddr()
2959 static int mtk_hwlro_get_ip_cnt(struct mtk_mac *mac) in mtk_hwlro_get_ip_cnt() argument
2965 if (mac->hwlro_ip[i]) in mtk_hwlro_get_ip_cnt()
2976 (struct ethtool_rx_flow_spec *)&cmd->fs; in mtk_hwlro_add_ipaddr()
2977 struct mtk_mac *mac = netdev_priv(dev); in mtk_hwlro_add_ipaddr() local
2978 struct mtk_eth *eth = mac->hw; in mtk_hwlro_add_ipaddr() local
2981 if ((fsp->flow_type != TCP_V4_FLOW) || in mtk_hwlro_add_ipaddr()
2982 (!fsp->h_u.tcp_ip4_spec.ip4dst) || in mtk_hwlro_add_ipaddr()
2983 (fsp->location > 1)) in mtk_hwlro_add_ipaddr()
2984 return -EINVAL; in mtk_hwlro_add_ipaddr()
2986 mac->hwlro_ip[fsp->location] = htonl(fsp->h_u.tcp_ip4_spec.ip4dst); in mtk_hwlro_add_ipaddr()
2987 hwlro_idx = (mac->id * MTK_MAX_LRO_IP_CNT) + fsp->location; in mtk_hwlro_add_ipaddr()
2989 mac->hwlro_ip_cnt = mtk_hwlro_get_ip_cnt(mac); in mtk_hwlro_add_ipaddr()
2991 mtk_hwlro_val_ipaddr(eth, hwlro_idx, mac->hwlro_ip[fsp->location]); in mtk_hwlro_add_ipaddr()
3000 (struct ethtool_rx_flow_spec *)&cmd->fs; in mtk_hwlro_del_ipaddr()
3001 struct mtk_mac *mac = netdev_priv(dev); in mtk_hwlro_del_ipaddr() local
3002 struct mtk_eth *eth = mac->hw; in mtk_hwlro_del_ipaddr() local
3005 if (fsp->location > 1) in mtk_hwlro_del_ipaddr()
3006 return -EINVAL; in mtk_hwlro_del_ipaddr()
3008 mac->hwlro_ip[fsp->location] = 0; in mtk_hwlro_del_ipaddr()
3009 hwlro_idx = (mac->id * MTK_MAX_LRO_IP_CNT) + fsp->location; in mtk_hwlro_del_ipaddr()
3011 mac->hwlro_ip_cnt = mtk_hwlro_get_ip_cnt(mac); in mtk_hwlro_del_ipaddr()
3013 mtk_hwlro_inval_ipaddr(eth, hwlro_idx); in mtk_hwlro_del_ipaddr()
3020 struct mtk_mac *mac = netdev_priv(dev); in mtk_hwlro_netdev_disable() local
3021 struct mtk_eth *eth = mac->hw; in mtk_hwlro_netdev_disable() local
3025 mac->hwlro_ip[i] = 0; in mtk_hwlro_netdev_disable()
3026 hwlro_idx = (mac->id * MTK_MAX_LRO_IP_CNT) + i; in mtk_hwlro_netdev_disable()
3028 mtk_hwlro_inval_ipaddr(eth, hwlro_idx); in mtk_hwlro_netdev_disable()
3031 mac->hwlro_ip_cnt = 0; in mtk_hwlro_netdev_disable()
3037 struct mtk_mac *mac = netdev_priv(dev); in mtk_hwlro_get_fdir_entry() local
3039 (struct ethtool_rx_flow_spec *)&cmd->fs; in mtk_hwlro_get_fdir_entry()
3041 if (fsp->location >= ARRAY_SIZE(mac->hwlro_ip)) in mtk_hwlro_get_fdir_entry()
3042 return -EINVAL; in mtk_hwlro_get_fdir_entry()
3045 fsp->flow_type = TCP_V4_FLOW; in mtk_hwlro_get_fdir_entry()
3046 fsp->h_u.tcp_ip4_spec.ip4dst = ntohl(mac->hwlro_ip[fsp->location]); in mtk_hwlro_get_fdir_entry()
3047 fsp->m_u.tcp_ip4_spec.ip4dst = 0; in mtk_hwlro_get_fdir_entry()
3049 fsp->h_u.tcp_ip4_spec.ip4src = 0; in mtk_hwlro_get_fdir_entry()
3050 fsp->m_u.tcp_ip4_spec.ip4src = 0xffffffff; in mtk_hwlro_get_fdir_entry()
3051 fsp->h_u.tcp_ip4_spec.psrc = 0; in mtk_hwlro_get_fdir_entry()
3052 fsp->m_u.tcp_ip4_spec.psrc = 0xffff; in mtk_hwlro_get_fdir_entry()
3053 fsp->h_u.tcp_ip4_spec.pdst = 0; in mtk_hwlro_get_fdir_entry()
3054 fsp->m_u.tcp_ip4_spec.pdst = 0xffff; in mtk_hwlro_get_fdir_entry()
3055 fsp->h_u.tcp_ip4_spec.tos = 0; in mtk_hwlro_get_fdir_entry()
3056 fsp->m_u.tcp_ip4_spec.tos = 0xff; in mtk_hwlro_get_fdir_entry()
3065 struct mtk_mac *mac = netdev_priv(dev); in mtk_hwlro_get_fdir_all() local
3070 if (cnt == cmd->rule_cnt) in mtk_hwlro_get_fdir_all()
3071 return -EMSGSIZE; in mtk_hwlro_get_fdir_all()
3073 if (mac->hwlro_ip[i]) { in mtk_hwlro_get_fdir_all()
3079 cmd->rule_cnt = cnt; in mtk_hwlro_get_fdir_all()
3088 struct mtk_mac *mac = netdev_priv(dev); in mtk_fix_features() local
3089 int ip_cnt = mtk_hwlro_get_ip_cnt(mac); in mtk_fix_features()
3103 netdev_features_t diff = dev->features ^ features; in mtk_set_features()
3112 static int mtk_dma_busy_wait(struct mtk_eth *eth) in mtk_dma_busy_wait() argument
3118 if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) in mtk_dma_busy_wait()
3119 reg = eth->soc->reg_map->qdma.glo_cfg; in mtk_dma_busy_wait()
3121 reg = eth->soc->reg_map->pdma.glo_cfg; in mtk_dma_busy_wait()
3123 ret = readx_poll_timeout_atomic(__raw_readl, eth->base + reg, val, in mtk_dma_busy_wait()
3127 dev_err(eth->dev, "DMA init timeout\n"); in mtk_dma_busy_wait()
3132 static int mtk_dma_init(struct mtk_eth *eth) in mtk_dma_init() argument
3137 if (mtk_dma_busy_wait(eth)) in mtk_dma_init()
3138 return -EBUSY; in mtk_dma_init()
3140 if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) { in mtk_dma_init()
3144 err = mtk_init_fq_dma(eth); in mtk_dma_init()
3149 err = mtk_tx_alloc(eth); in mtk_dma_init()
3153 if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) { in mtk_dma_init()
3154 err = mtk_rx_alloc(eth, 0, MTK_RX_FLAGS_QDMA); in mtk_dma_init()
3159 err = mtk_rx_alloc(eth, 0, MTK_RX_FLAGS_NORMAL); in mtk_dma_init()
3163 if (eth->hwlro) { in mtk_dma_init()
3165 err = mtk_rx_alloc(eth, i, MTK_RX_FLAGS_HWLRO); in mtk_dma_init()
3169 err = mtk_hwlro_rx_init(eth); in mtk_dma_init()
3174 if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) { in mtk_dma_init()
3178 mtk_w32(eth, FC_THRES_DROP_MODE | FC_THRES_DROP_EN | in mtk_dma_init()
3179 FC_THRES_MIN, eth->soc->reg_map->qdma.fc_th); in mtk_dma_init()
3180 mtk_w32(eth, 0x0, eth->soc->reg_map->qdma.hred); in mtk_dma_init()
3186 static void mtk_dma_free(struct mtk_eth *eth) in mtk_dma_free() argument
3188 const struct mtk_soc_data *soc = eth->soc; in mtk_dma_free()
3192 if (eth->netdev[i]) in mtk_dma_free()
3193 netdev_reset_queue(eth->netdev[i]); in mtk_dma_free()
3194 if (!MTK_HAS_CAPS(soc->caps, MTK_SRAM) && eth->scratch_ring) { in mtk_dma_free()
3195 dma_free_coherent(eth->dma_dev, in mtk_dma_free()
3196 MTK_QDMA_RING_SIZE * soc->tx.desc_size, in mtk_dma_free()
3197 eth->scratch_ring, eth->phy_scratch_ring); in mtk_dma_free()
3198 eth->scratch_ring = NULL; in mtk_dma_free()
3199 eth->phy_scratch_ring = 0; in mtk_dma_free()
3201 mtk_tx_clean(eth); in mtk_dma_free()
3202 mtk_rx_clean(eth, ð->rx_ring[0], MTK_HAS_CAPS(soc->caps, MTK_SRAM)); in mtk_dma_free()
3203 mtk_rx_clean(eth, ð->rx_ring_qdma, false); in mtk_dma_free()
3205 if (eth->hwlro) { in mtk_dma_free()
3206 mtk_hwlro_rx_uninit(eth); in mtk_dma_free()
3208 mtk_rx_clean(eth, ð->rx_ring[i], false); in mtk_dma_free()
3211 for (i = 0; i < DIV_ROUND_UP(soc->tx.fq_dma_size, MTK_FQ_DMA_LENGTH); i++) { in mtk_dma_free()
3212 kfree(eth->scratch_head[i]); in mtk_dma_free()
3213 eth->scratch_head[i] = NULL; in mtk_dma_free()
3217 static bool mtk_hw_reset_check(struct mtk_eth *eth) in mtk_hw_reset_check() argument
3219 u32 val = mtk_r32(eth, MTK_INT_STATUS2); in mtk_hw_reset_check()
3228 struct mtk_mac *mac = netdev_priv(dev); in mtk_tx_timeout() local
3229 struct mtk_eth *eth = mac->hw; in mtk_tx_timeout() local
3231 if (test_bit(MTK_RESETTING, ð->state)) in mtk_tx_timeout()
3234 if (!mtk_hw_reset_check(eth)) in mtk_tx_timeout()
3237 eth->netdev[mac->id]->stats.tx_errors++; in mtk_tx_timeout()
3238 netif_err(eth, tx_err, dev, "transmit timed out\n"); in mtk_tx_timeout()
3240 schedule_work(ð->pending_work); in mtk_tx_timeout()
3245 struct mtk_eth *eth = _eth; in mtk_handle_irq_rx() local
3247 eth->rx_events++; in mtk_handle_irq_rx()
3248 if (likely(napi_schedule_prep(ð->rx_napi))) { in mtk_handle_irq_rx()
3249 mtk_rx_irq_disable(eth, eth->soc->rx.irq_done_mask); in mtk_handle_irq_rx()
3250 __napi_schedule(ð->rx_napi); in mtk_handle_irq_rx()
3258 struct mtk_eth *eth = _eth; in mtk_handle_irq_tx() local
3260 eth->tx_events++; in mtk_handle_irq_tx()
3261 if (likely(napi_schedule_prep(ð->tx_napi))) { in mtk_handle_irq_tx()
3262 mtk_tx_irq_disable(eth, MTK_TX_DONE_INT); in mtk_handle_irq_tx()
3263 __napi_schedule(ð->tx_napi); in mtk_handle_irq_tx()
3271 struct mtk_eth *eth = _eth; in mtk_handle_irq() local
3272 const struct mtk_reg_map *reg_map = eth->soc->reg_map; in mtk_handle_irq()
3274 if (mtk_r32(eth, reg_map->pdma.irq_mask) & in mtk_handle_irq()
3275 eth->soc->rx.irq_done_mask) { in mtk_handle_irq()
3276 if (mtk_r32(eth, reg_map->pdma.irq_status) & in mtk_handle_irq()
3277 eth->soc->rx.irq_done_mask) in mtk_handle_irq()
3280 if (mtk_r32(eth, reg_map->tx_irq_mask) & MTK_TX_DONE_INT) { in mtk_handle_irq()
3281 if (mtk_r32(eth, reg_map->tx_irq_status) & MTK_TX_DONE_INT) in mtk_handle_irq()
3291 struct mtk_mac *mac = netdev_priv(dev); in mtk_poll_controller() local
3292 struct mtk_eth *eth = mac->hw; in mtk_poll_controller() local
3294 mtk_tx_irq_disable(eth, MTK_TX_DONE_INT); in mtk_poll_controller()
3295 mtk_rx_irq_disable(eth, eth->soc->rx.irq_done_mask); in mtk_poll_controller()
3296 mtk_handle_irq_rx(eth->irq[2], dev); in mtk_poll_controller()
3297 mtk_tx_irq_enable(eth, MTK_TX_DONE_INT); in mtk_poll_controller()
3298 mtk_rx_irq_enable(eth, eth->soc->rx.irq_done_mask); in mtk_poll_controller()
3302 static int mtk_start_dma(struct mtk_eth *eth) in mtk_start_dma() argument
3305 const struct mtk_reg_map *reg_map = eth->soc->reg_map; in mtk_start_dma()
3308 err = mtk_dma_init(eth); in mtk_start_dma()
3310 mtk_dma_free(eth); in mtk_start_dma()
3314 if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) { in mtk_start_dma()
3315 val = mtk_r32(eth, reg_map->qdma.glo_cfg); in mtk_start_dma()
3320 if (mtk_is_netsys_v2_or_greater(eth)) in mtk_start_dma()
3326 mtk_w32(eth, val, reg_map->qdma.glo_cfg); in mtk_start_dma()
3328 mtk_w32(eth, in mtk_start_dma()
3331 reg_map->pdma.glo_cfg); in mtk_start_dma()
3333 mtk_w32(eth, MTK_TX_WB_DDONE | MTK_TX_DMA_EN | MTK_RX_DMA_EN | in mtk_start_dma()
3335 reg_map->pdma.glo_cfg); in mtk_start_dma()
3341 static void mtk_gdm_config(struct mtk_eth *eth, u32 id, u32 config) in mtk_gdm_config() argument
3345 if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) in mtk_gdm_config()
3348 val = mtk_r32(eth, MTK_GDMA_FWD_CFG(id)); in mtk_gdm_config()
3358 if (eth->netdev[id] && netdev_uses_dsa(eth->netdev[id])) in mtk_gdm_config()
3361 mtk_w32(eth, val, MTK_GDMA_FWD_CFG(id)); in mtk_gdm_config()
3369 dev->dsa_ptr->tag_ops->proto == DSA_TAG_PROTO_MTK; in mtk_uses_dsa()
3377 struct mtk_mac *mac = container_of(n, struct mtk_mac, device_notifier); in mtk_device_event() local
3378 struct mtk_eth *eth = mac->hw; in mtk_device_event() local
3389 if (netdev_priv(ldev) == mac) in mtk_device_event()
3402 if (s.base.speed == 0 || s.base.speed == ((__u32)-1)) in mtk_device_event()
3406 if (dp->index >= MTK_QDMA_NUM_QUEUES) in mtk_device_event()
3409 if (mac->speed > 0 && mac->speed <= s.base.speed) in mtk_device_event()
3412 mtk_set_queue_speed(eth, dp->index + 3, s.base.speed); in mtk_device_event()
3419 struct mtk_mac *mac = netdev_priv(dev); in mtk_open() local
3420 struct mtk_eth *eth = mac->hw; in mtk_open() local
3424 ppe_num = eth->soc->ppe_num; in mtk_open()
3426 err = phylink_of_phy_connect(mac->phylink, mac->of_node, 0); in mtk_open()
3434 if (!refcount_read(ð->dma_refcnt)) { in mtk_open()
3435 const struct mtk_soc_data *soc = eth->soc; in mtk_open()
3439 err = mtk_start_dma(eth); in mtk_open()
3441 phylink_disconnect_phy(mac->phylink); in mtk_open()
3445 for (i = 0; i < ARRAY_SIZE(eth->ppe); i++) in mtk_open()
3446 mtk_ppe_start(eth->ppe[i]); in mtk_open()
3449 if (!eth->netdev[i]) in mtk_open()
3452 target_mac = netdev_priv(eth->netdev[i]); in mtk_open()
3453 if (!soc->offload_version) { in mtk_open()
3454 target_mac->ppe_idx = 0; in mtk_open()
3456 } else if (ppe_num >= 3 && target_mac->id == 2) { in mtk_open()
3457 target_mac->ppe_idx = 2; in mtk_open()
3458 gdm_config = soc->reg_map->gdma_to_ppe[2]; in mtk_open()
3459 } else if (ppe_num >= 2 && target_mac->id == 1) { in mtk_open()
3460 target_mac->ppe_idx = 1; in mtk_open()
3461 gdm_config = soc->reg_map->gdma_to_ppe[1]; in mtk_open()
3463 target_mac->ppe_idx = 0; in mtk_open()
3464 gdm_config = soc->reg_map->gdma_to_ppe[0]; in mtk_open()
3466 mtk_gdm_config(eth, target_mac->id, gdm_config); in mtk_open()
3469 mtk_w32(eth, RST_GL_PSE, MTK_RST_GL); in mtk_open()
3470 mtk_w32(eth, 0, MTK_RST_GL); in mtk_open()
3472 napi_enable(ð->tx_napi); in mtk_open()
3473 napi_enable(ð->rx_napi); in mtk_open()
3474 mtk_tx_irq_enable(eth, MTK_TX_DONE_INT); in mtk_open()
3475 mtk_rx_irq_enable(eth, soc->rx.irq_done_mask); in mtk_open()
3476 refcount_set(ð->dma_refcnt, 1); in mtk_open()
3478 refcount_inc(ð->dma_refcnt); in mtk_open()
3481 phylink_start(mac->phylink); in mtk_open()
3484 if (mtk_is_netsys_v2_or_greater(eth)) in mtk_open()
3487 if (mtk_uses_dsa(dev) && !eth->prog) { in mtk_open()
3488 for (i = 0; i < ARRAY_SIZE(eth->dsa_meta); i++) { in mtk_open()
3489 struct metadata_dst *md_dst = eth->dsa_meta[i]; in mtk_open()
3497 return -ENOMEM; in mtk_open()
3499 md_dst->u.port_info.port_id = i; in mtk_open()
3500 eth->dsa_meta[i] = md_dst; in mtk_open()
3504 * disabled if at least one MAC does not use DSA. in mtk_open()
3506 u32 val = mtk_r32(eth, MTK_CDMP_IG_CTRL); in mtk_open()
3509 mtk_w32(eth, val, MTK_CDMP_IG_CTRL); in mtk_open()
3511 mtk_w32(eth, 0, MTK_CDMP_EG_CTRL); in mtk_open()
3517 static void mtk_stop_dma(struct mtk_eth *eth, u32 glo_cfg) in mtk_stop_dma() argument
3523 spin_lock_bh(ð->page_lock); in mtk_stop_dma()
3524 val = mtk_r32(eth, glo_cfg); in mtk_stop_dma()
3525 mtk_w32(eth, val & ~(MTK_TX_WB_DDONE | MTK_RX_DMA_EN | MTK_TX_DMA_EN), in mtk_stop_dma()
3527 spin_unlock_bh(ð->page_lock); in mtk_stop_dma()
3531 val = mtk_r32(eth, glo_cfg); in mtk_stop_dma()
3542 struct mtk_mac *mac = netdev_priv(dev); in mtk_stop() local
3543 struct mtk_eth *eth = mac->hw; in mtk_stop() local
3546 phylink_stop(mac->phylink); in mtk_stop()
3550 phylink_disconnect_phy(mac->phylink); in mtk_stop()
3553 if (!refcount_dec_and_test(ð->dma_refcnt)) in mtk_stop()
3557 mtk_gdm_config(eth, i, MTK_GDMA_DROP_ALL); in mtk_stop()
3559 mtk_tx_irq_disable(eth, MTK_TX_DONE_INT); in mtk_stop()
3560 mtk_rx_irq_disable(eth, eth->soc->rx.irq_done_mask); in mtk_stop()
3561 napi_disable(ð->tx_napi); in mtk_stop()
3562 napi_disable(ð->rx_napi); in mtk_stop()
3564 cancel_work_sync(ð->rx_dim.work); in mtk_stop()
3565 cancel_work_sync(ð->tx_dim.work); in mtk_stop()
3567 if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) in mtk_stop()
3568 mtk_stop_dma(eth, eth->soc->reg_map->qdma.glo_cfg); in mtk_stop()
3569 mtk_stop_dma(eth, eth->soc->reg_map->pdma.glo_cfg); in mtk_stop()
3571 mtk_dma_free(eth); in mtk_stop()
3573 for (i = 0; i < ARRAY_SIZE(eth->ppe); i++) in mtk_stop()
3574 mtk_ppe_stop(eth->ppe[i]); in mtk_stop()
3582 struct mtk_mac *mac = netdev_priv(dev); in mtk_xdp_setup() local
3583 struct mtk_eth *eth = mac->hw; in mtk_xdp_setup() local
3587 if (eth->hwlro) { in mtk_xdp_setup()
3589 return -EOPNOTSUPP; in mtk_xdp_setup()
3592 if (dev->mtu > MTK_PP_MAX_BUF_SIZE) { in mtk_xdp_setup()
3594 return -EOPNOTSUPP; in mtk_xdp_setup()
3597 need_update = !!eth->prog != !!prog; in mtk_xdp_setup()
3601 old_prog = rcu_replace_pointer(eth->prog, prog, lockdep_rtnl_is_held()); in mtk_xdp_setup()
3613 switch (xdp->command) { in mtk_xdp()
3615 return mtk_xdp_setup(dev, xdp->prog, xdp->extack); in mtk_xdp()
3617 return -EINVAL; in mtk_xdp()
3621 static void ethsys_reset(struct mtk_eth *eth, u32 reset_bits) in ethsys_reset() argument
3623 regmap_update_bits(eth->ethsys, ETHSYS_RSTCTRL, in ethsys_reset()
3628 regmap_update_bits(eth->ethsys, ETHSYS_RSTCTRL, in ethsys_reset()
3634 static void mtk_clk_disable(struct mtk_eth *eth) in mtk_clk_disable() argument
3638 for (clk = MTK_CLK_MAX - 1; clk >= 0; clk--) in mtk_clk_disable()
3639 clk_disable_unprepare(eth->clks[clk]); in mtk_clk_disable()
3642 static int mtk_clk_enable(struct mtk_eth *eth) in mtk_clk_enable() argument
3647 ret = clk_prepare_enable(eth->clks[clk]); in mtk_clk_enable()
3655 while (--clk >= 0) in mtk_clk_enable()
3656 clk_disable_unprepare(eth->clks[clk]); in mtk_clk_enable()
3664 struct mtk_eth *eth = container_of(dim, struct mtk_eth, rx_dim); in mtk_dim_rx() local
3665 const struct mtk_reg_map *reg_map = eth->soc->reg_map; in mtk_dim_rx()
3669 cur_profile = net_dim_get_rx_moderation(eth->rx_dim.mode, in mtk_dim_rx()
3670 dim->profile_ix); in mtk_dim_rx()
3671 spin_lock_bh(ð->dim_lock); in mtk_dim_rx()
3673 val = mtk_r32(eth, reg_map->pdma.delay_irq); in mtk_dim_rx()
3683 mtk_w32(eth, val, reg_map->pdma.delay_irq); in mtk_dim_rx()
3684 if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) in mtk_dim_rx()
3685 mtk_w32(eth, val, reg_map->qdma.delay_irq); in mtk_dim_rx()
3687 spin_unlock_bh(ð->dim_lock); in mtk_dim_rx()
3689 dim->state = DIM_START_MEASURE; in mtk_dim_rx()
3695 struct mtk_eth *eth = container_of(dim, struct mtk_eth, tx_dim); in mtk_dim_tx() local
3696 const struct mtk_reg_map *reg_map = eth->soc->reg_map; in mtk_dim_tx()
3700 cur_profile = net_dim_get_tx_moderation(eth->tx_dim.mode, in mtk_dim_tx()
3701 dim->profile_ix); in mtk_dim_tx()
3702 spin_lock_bh(ð->dim_lock); in mtk_dim_tx()
3704 val = mtk_r32(eth, reg_map->pdma.delay_irq); in mtk_dim_tx()
3714 mtk_w32(eth, val, reg_map->pdma.delay_irq); in mtk_dim_tx()
3715 if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) in mtk_dim_tx()
3716 mtk_w32(eth, val, reg_map->qdma.delay_irq); in mtk_dim_tx()
3718 spin_unlock_bh(ð->dim_lock); in mtk_dim_tx()
3720 dim->state = DIM_START_MEASURE; in mtk_dim_tx()
3723 static void mtk_set_mcr_max_rx(struct mtk_mac *mac, u32 val) in mtk_set_mcr_max_rx() argument
3725 struct mtk_eth *eth = mac->hw; in mtk_set_mcr_max_rx() local
3728 if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) in mtk_set_mcr_max_rx()
3731 mcr_cur = mtk_r32(mac->hw, MTK_MAC_MCR(mac->id)); in mtk_set_mcr_max_rx()
3744 mtk_w32(mac->hw, mcr_new, MTK_MAC_MCR(mac->id)); in mtk_set_mcr_max_rx()
3747 static void mtk_hw_reset(struct mtk_eth *eth) in mtk_hw_reset() argument
3751 if (mtk_is_netsys_v2_or_greater(eth)) in mtk_hw_reset()
3752 regmap_write(eth->ethsys, ETHSYS_FE_RST_CHK_IDLE_EN, 0); in mtk_hw_reset()
3754 if (mtk_is_netsys_v3_or_greater(eth)) { in mtk_hw_reset()
3757 if (MTK_HAS_CAPS(eth->soc->caps, MTK_RSTCTRL_PPE1)) in mtk_hw_reset()
3760 if (MTK_HAS_CAPS(eth->soc->caps, MTK_RSTCTRL_PPE2)) in mtk_hw_reset()
3764 } else if (mtk_is_netsys_v2_or_greater(eth)) { in mtk_hw_reset()
3767 if (MTK_HAS_CAPS(eth->soc->caps, MTK_RSTCTRL_PPE1)) in mtk_hw_reset()
3773 ethsys_reset(eth, RSTCTRL_ETH | RSTCTRL_FE | val); in mtk_hw_reset()
3775 if (mtk_is_netsys_v3_or_greater(eth)) in mtk_hw_reset()
3776 regmap_write(eth->ethsys, ETHSYS_FE_RST_CHK_IDLE_EN, in mtk_hw_reset()
3778 else if (mtk_is_netsys_v2_or_greater(eth)) in mtk_hw_reset()
3779 regmap_write(eth->ethsys, ETHSYS_FE_RST_CHK_IDLE_EN, in mtk_hw_reset()
3783 static u32 mtk_hw_reset_read(struct mtk_eth *eth) in mtk_hw_reset_read() argument
3787 regmap_read(eth->ethsys, ETHSYS_RSTCTRL, &val); in mtk_hw_reset_read()
3791 static void mtk_hw_warm_reset(struct mtk_eth *eth) in mtk_hw_warm_reset() argument
3795 regmap_update_bits(eth->ethsys, ETHSYS_RSTCTRL, RSTCTRL_FE, in mtk_hw_warm_reset()
3797 if (readx_poll_timeout_atomic(mtk_hw_reset_read, eth, val, in mtk_hw_warm_reset()
3799 dev_err(eth->dev, "warm reset failed\n"); in mtk_hw_warm_reset()
3800 mtk_hw_reset(eth); in mtk_hw_warm_reset()
3804 if (mtk_is_netsys_v3_or_greater(eth)) { in mtk_hw_warm_reset()
3806 if (MTK_HAS_CAPS(eth->soc->caps, MTK_RSTCTRL_PPE1)) in mtk_hw_warm_reset()
3808 if (MTK_HAS_CAPS(eth->soc->caps, MTK_RSTCTRL_PPE2)) in mtk_hw_warm_reset()
3812 } else if (mtk_is_netsys_v2_or_greater(eth)) { in mtk_hw_warm_reset()
3814 if (MTK_HAS_CAPS(eth->soc->caps, MTK_RSTCTRL_PPE1)) in mtk_hw_warm_reset()
3820 regmap_update_bits(eth->ethsys, ETHSYS_RSTCTRL, rst_mask, rst_mask); in mtk_hw_warm_reset()
3823 val = mtk_hw_reset_read(eth); in mtk_hw_warm_reset()
3825 dev_err(eth->dev, "warm reset stage0 failed %08x (%08x)\n", in mtk_hw_warm_reset()
3829 regmap_update_bits(eth->ethsys, ETHSYS_RSTCTRL, rst_mask, ~rst_mask); in mtk_hw_warm_reset()
3832 val = mtk_hw_reset_read(eth); in mtk_hw_warm_reset()
3834 dev_err(eth->dev, "warm reset stage1 failed %08x (%08x)\n", in mtk_hw_warm_reset()
3838 static bool mtk_hw_check_dma_hang(struct mtk_eth *eth) in mtk_hw_check_dma_hang() argument
3840 const struct mtk_reg_map *reg_map = eth->soc->reg_map; in mtk_hw_check_dma_hang()
3848 if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) in mtk_hw_check_dma_hang()
3852 wdidx = mtk_r32(eth, reg_map->wdma_base[0] + 0xc); in mtk_hw_check_dma_hang()
3854 val = mtk_r32(eth, reg_map->wdma_base[0] + 0x204); in mtk_hw_check_dma_hang()
3857 val = mtk_r32(eth, reg_map->wdma_base[0] + 0x230); in mtk_hw_check_dma_hang()
3860 oq_free = (!(mtk_r32(eth, reg_map->pse_oq_sta) & GENMASK(24, 16)) && in mtk_hw_check_dma_hang()
3861 !(mtk_r32(eth, reg_map->pse_oq_sta + 0x4) & GENMASK(8, 0)) && in mtk_hw_check_dma_hang()
3862 !(mtk_r32(eth, reg_map->pse_oq_sta + 0x10) & GENMASK(24, 16))); in mtk_hw_check_dma_hang()
3864 if (wdidx == eth->reset.wdidx && wtx_busy && cdm_full && oq_free) { in mtk_hw_check_dma_hang()
3865 if (++eth->reset.wdma_hang_count > 2) { in mtk_hw_check_dma_hang()
3866 eth->reset.wdma_hang_count = 0; in mtk_hw_check_dma_hang()
3873 qfsm_hang = !!mtk_r32(eth, reg_map->qdma.qtx_cfg + 0x234); in mtk_hw_check_dma_hang()
3874 qfwd_hang = !mtk_r32(eth, reg_map->qdma.qtx_cfg + 0x308); in mtk_hw_check_dma_hang()
3876 gdm1_tx = FIELD_GET(GENMASK(31, 16), mtk_r32(eth, MTK_FE_GDM1_FSM)) > 0; in mtk_hw_check_dma_hang()
3877 gdm2_tx = FIELD_GET(GENMASK(31, 16), mtk_r32(eth, MTK_FE_GDM2_FSM)) > 0; in mtk_hw_check_dma_hang()
3878 gmac1_tx = FIELD_GET(GENMASK(31, 24), mtk_r32(eth, MTK_MAC_FSM(0))) != 1; in mtk_hw_check_dma_hang()
3879 gmac2_tx = FIELD_GET(GENMASK(31, 24), mtk_r32(eth, MTK_MAC_FSM(1))) != 1; in mtk_hw_check_dma_hang()
3880 gdm1_fc = mtk_r32(eth, reg_map->gdm1_cnt + 0x24); in mtk_hw_check_dma_hang()
3881 gdm2_fc = mtk_r32(eth, reg_map->gdm1_cnt + 0x64); in mtk_hw_check_dma_hang()
3886 if (++eth->reset.qdma_hang_count > 2) { in mtk_hw_check_dma_hang()
3887 eth->reset.qdma_hang_count = 0; in mtk_hw_check_dma_hang()
3894 oq_hang = !!(mtk_r32(eth, reg_map->pse_oq_sta) & GENMASK(8, 0)); in mtk_hw_check_dma_hang()
3895 cdm1_busy = !!(mtk_r32(eth, MTK_FE_CDM1_FSM) & GENMASK(31, 16)); in mtk_hw_check_dma_hang()
3896 adma_busy = !(mtk_r32(eth, reg_map->pdma.adma_rx_dbg0) & GENMASK(4, 0)) && in mtk_hw_check_dma_hang()
3897 !(mtk_r32(eth, reg_map->pdma.adma_rx_dbg0) & BIT(6)); in mtk_hw_check_dma_hang()
3900 if (++eth->reset.adma_hang_count > 2) { in mtk_hw_check_dma_hang()
3901 eth->reset.adma_hang_count = 0; in mtk_hw_check_dma_hang()
3907 eth->reset.wdma_hang_count = 0; in mtk_hw_check_dma_hang()
3908 eth->reset.qdma_hang_count = 0; in mtk_hw_check_dma_hang()
3909 eth->reset.adma_hang_count = 0; in mtk_hw_check_dma_hang()
3911 eth->reset.wdidx = wdidx; in mtk_hw_check_dma_hang()
3919 struct mtk_eth *eth = container_of(del_work, struct mtk_eth, in mtk_hw_reset_monitor_work() local
3922 if (test_bit(MTK_RESETTING, ð->state)) in mtk_hw_reset_monitor_work()
3926 if (mtk_hw_check_dma_hang(eth)) in mtk_hw_reset_monitor_work()
3927 schedule_work(ð->pending_work); in mtk_hw_reset_monitor_work()
3930 schedule_delayed_work(ð->reset.monitor_work, in mtk_hw_reset_monitor_work()
3934 static int mtk_hw_init(struct mtk_eth *eth, bool reset) in mtk_hw_init() argument
3938 const struct mtk_reg_map *reg_map = eth->soc->reg_map; in mtk_hw_init()
3941 if (!reset && test_and_set_bit(MTK_HW_INIT, ð->state)) in mtk_hw_init()
3945 pm_runtime_enable(eth->dev); in mtk_hw_init()
3946 pm_runtime_get_sync(eth->dev); in mtk_hw_init()
3948 ret = mtk_clk_enable(eth); in mtk_hw_init()
3953 if (eth->ethsys) in mtk_hw_init()
3954 regmap_update_bits(eth->ethsys, ETHSYS_DMA_AG_MAP, dma_mask, in mtk_hw_init()
3955 of_dma_is_coherent(eth->dma_dev->of_node) * dma_mask); in mtk_hw_init()
3957 if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) { in mtk_hw_init()
3958 ret = device_reset(eth->dev); in mtk_hw_init()
3960 dev_err(eth->dev, "MAC reset failed!\n"); in mtk_hw_init()
3965 mtk_dim_rx(ð->rx_dim.work); in mtk_hw_init()
3966 mtk_dim_tx(ð->tx_dim.work); in mtk_hw_init()
3969 mtk_tx_irq_disable(eth, ~0); in mtk_hw_init()
3970 mtk_rx_irq_disable(eth, ~0); in mtk_hw_init()
3978 mtk_hw_warm_reset(eth); in mtk_hw_init()
3980 mtk_hw_reset(eth); in mtk_hw_init()
3983 if (reset && !MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) in mtk_hw_init()
3984 mtk_mdio_config(eth); in mtk_hw_init()
3986 if (mtk_is_netsys_v3_or_greater(eth)) { in mtk_hw_init()
3988 val = mtk_r32(eth, MTK_FE_GLO_MISC); in mtk_hw_init()
3989 mtk_w32(eth, val | BIT(4), MTK_FE_GLO_MISC); in mtk_hw_init()
3992 if (eth->pctl) { in mtk_hw_init()
3994 regmap_write(eth->pctl, GPIO_DRV_SEL10, 0xa00); in mtk_hw_init()
3997 regmap_write(eth->pctl, GPIO_OD33_CTRL8, 0x5); in mtk_hw_init()
4000 regmap_write(eth->pctl, GPIO_BIAS_CTRL, 0x0); in mtk_hw_init()
4008 struct net_device *dev = eth->netdev[i]; in mtk_hw_init()
4013 mtk_w32(eth, MAC_MCR_FORCE_LINK_DOWN, MTK_MAC_MCR(i)); in mtk_hw_init()
4015 dev->mtu + MTK_RX_ETH_HLEN); in mtk_hw_init()
4021 val = mtk_r32(eth, MTK_CDMQ_IG_CTRL); in mtk_hw_init()
4022 mtk_w32(eth, val | MTK_CDMQ_STAG_EN, MTK_CDMQ_IG_CTRL); in mtk_hw_init()
4023 if (mtk_is_netsys_v1(eth)) { in mtk_hw_init()
4024 val = mtk_r32(eth, MTK_CDMP_IG_CTRL); in mtk_hw_init()
4025 mtk_w32(eth, val | MTK_CDMP_STAG_EN, MTK_CDMP_IG_CTRL); in mtk_hw_init()
4027 mtk_w32(eth, 1, MTK_CDMP_EG_CTRL); in mtk_hw_init()
4031 mtk_dim_rx(ð->rx_dim.work); in mtk_hw_init()
4032 mtk_dim_tx(ð->tx_dim.work); in mtk_hw_init()
4035 mtk_tx_irq_disable(eth, ~0); in mtk_hw_init()
4036 mtk_rx_irq_disable(eth, ~0); in mtk_hw_init()
4039 mtk_w32(eth, MTK_TX_DONE_INT, reg_map->pdma.int_grp); in mtk_hw_init()
4040 mtk_w32(eth, eth->soc->rx.irq_done_mask, reg_map->pdma.int_grp + 4); in mtk_hw_init()
4041 mtk_w32(eth, MTK_TX_DONE_INT, reg_map->qdma.int_grp); in mtk_hw_init()
4042 mtk_w32(eth, eth->soc->rx.irq_done_mask, reg_map->qdma.int_grp + 4); in mtk_hw_init()
4043 mtk_w32(eth, 0x21021000, MTK_FE_INT_GRP); in mtk_hw_init()
4045 if (mtk_is_netsys_v3_or_greater(eth)) { in mtk_hw_init()
4047 mtk_w32(eth, 0x00000302, PSE_DROP_CFG); in mtk_hw_init()
4050 mtk_w32(eth, 0x00000707, MTK_CDMW0_THRES); in mtk_hw_init()
4051 mtk_w32(eth, 0x00000077, MTK_CDMW1_THRES); in mtk_hw_init()
4054 mtk_m32(eth, MTK_GDMA_STRP_CRC, 0, MTK_GDMA_FWD_CFG(0)); in mtk_hw_init()
4061 mtk_r32(eth, reg_map->gdm1_cnt + 0x100 + i); in mtk_hw_init()
4062 } else if (!mtk_is_netsys_v1(eth)) { in mtk_hw_init()
4064 mtk_w32(eth, 0x00000300, PSE_DROP_CFG); in mtk_hw_init()
4067 mtk_w32(eth, 0x00000300, PSE_PPE0_DROP); in mtk_hw_init()
4070 mtk_w32(eth, 0x01fa01f4, PSE_FQFC_CFG2); in mtk_hw_init()
4073 mtk_w32(eth, 0x001a000e, PSE_IQ_REV(1)); in mtk_hw_init()
4074 mtk_w32(eth, 0x01ff001a, PSE_IQ_REV(2)); in mtk_hw_init()
4075 mtk_w32(eth, 0x000e01ff, PSE_IQ_REV(3)); in mtk_hw_init()
4076 mtk_w32(eth, 0x000e000e, PSE_IQ_REV(4)); in mtk_hw_init()
4077 mtk_w32(eth, 0x000e000e, PSE_IQ_REV(5)); in mtk_hw_init()
4078 mtk_w32(eth, 0x000e000e, PSE_IQ_REV(6)); in mtk_hw_init()
4079 mtk_w32(eth, 0x000e000e, PSE_IQ_REV(7)); in mtk_hw_init()
4080 mtk_w32(eth, 0x000e000e, PSE_IQ_REV(8)); in mtk_hw_init()
4083 mtk_w32(eth, 0x000f000a, PSE_OQ_TH(1)); in mtk_hw_init()
4084 mtk_w32(eth, 0x001a000f, PSE_OQ_TH(2)); in mtk_hw_init()
4085 mtk_w32(eth, 0x000f001a, PSE_OQ_TH(3)); in mtk_hw_init()
4086 mtk_w32(eth, 0x01ff000f, PSE_OQ_TH(4)); in mtk_hw_init()
4087 mtk_w32(eth, 0x000f000f, PSE_OQ_TH(5)); in mtk_hw_init()
4088 mtk_w32(eth, 0x0006000f, PSE_OQ_TH(6)); in mtk_hw_init()
4089 mtk_w32(eth, 0x00060006, PSE_OQ_TH(7)); in mtk_hw_init()
4090 mtk_w32(eth, 0x00060006, PSE_OQ_TH(8)); in mtk_hw_init()
4093 mtk_w32(eth, 0x00000004, MTK_GDM2_THRES); in mtk_hw_init()
4094 mtk_w32(eth, 0x00000004, MTK_CDMW0_THRES); in mtk_hw_init()
4095 mtk_w32(eth, 0x00000004, MTK_CDMW1_THRES); in mtk_hw_init()
4096 mtk_w32(eth, 0x00000004, MTK_CDME0_THRES); in mtk_hw_init()
4097 mtk_w32(eth, 0x00000004, MTK_CDME1_THRES); in mtk_hw_init()
4098 mtk_w32(eth, 0x00000004, MTK_CDMM_THRES); in mtk_hw_init()
4105 pm_runtime_put_sync(eth->dev); in mtk_hw_init()
4106 pm_runtime_disable(eth->dev); in mtk_hw_init()
4112 static int mtk_hw_deinit(struct mtk_eth *eth) in mtk_hw_deinit() argument
4114 if (!test_and_clear_bit(MTK_HW_INIT, ð->state)) in mtk_hw_deinit()
4117 mtk_clk_disable(eth); in mtk_hw_deinit()
4119 pm_runtime_put_sync(eth->dev); in mtk_hw_deinit()
4120 pm_runtime_disable(eth->dev); in mtk_hw_deinit()
4127 struct mtk_mac *mac = netdev_priv(dev); in mtk_uninit() local
4128 struct mtk_eth *eth = mac->hw; in mtk_uninit() local
4130 phylink_disconnect_phy(mac->phylink); in mtk_uninit()
4131 mtk_tx_irq_disable(eth, ~0); in mtk_uninit()
4132 mtk_rx_irq_disable(eth, ~0); in mtk_uninit()
4138 struct mtk_mac *mac = netdev_priv(dev); in mtk_change_mtu() local
4139 struct mtk_eth *eth = mac->hw; in mtk_change_mtu() local
4141 if (rcu_access_pointer(eth->prog) && in mtk_change_mtu()
4144 return -EINVAL; in mtk_change_mtu()
4147 mtk_set_mcr_max_rx(mac, length); in mtk_change_mtu()
4148 WRITE_ONCE(dev->mtu, new_mtu); in mtk_change_mtu()
4155 struct mtk_mac *mac = netdev_priv(dev); in mtk_do_ioctl() local
4161 return phylink_mii_ioctl(mac->phylink, ifr, cmd); in mtk_do_ioctl()
4166 return -EOPNOTSUPP; in mtk_do_ioctl()
4169 static void mtk_prepare_for_reset(struct mtk_eth *eth) in mtk_prepare_for_reset() argument
4176 i <= (mtk_is_netsys_v3_or_greater(eth) ? MTK_GMAC3_ID : MTK_GMAC2_ID); in mtk_prepare_for_reset()
4178 val = mtk_r32(eth, MTK_FE_GLO_CFG(i)) | MTK_FE_LINK_DOWN_P(PSE_PPE0_PORT); in mtk_prepare_for_reset()
4179 if (MTK_HAS_CAPS(eth->soc->caps, MTK_RSTCTRL_PPE1)) in mtk_prepare_for_reset()
4181 if (MTK_HAS_CAPS(eth->soc->caps, MTK_RSTCTRL_PPE2)) in mtk_prepare_for_reset()
4183 mtk_w32(eth, val, MTK_FE_GLO_CFG(i)); in mtk_prepare_for_reset()
4187 for (i = 0; i < ARRAY_SIZE(eth->ppe); i++) in mtk_prepare_for_reset()
4188 mtk_ppe_prepare_reset(eth->ppe[i]); in mtk_prepare_for_reset()
4191 mtk_w32(eth, 0, MTK_FE_INT_ENABLE); in mtk_prepare_for_reset()
4195 val = mtk_r32(eth, MTK_MAC_MCR(i)) & ~MAC_MCR_FORCE_LINK; in mtk_prepare_for_reset()
4196 mtk_w32(eth, val, MTK_MAC_MCR(i)); in mtk_prepare_for_reset()
4202 struct mtk_eth *eth = container_of(work, struct mtk_eth, pending_work); in mtk_pending_work() local
4208 set_bit(MTK_RESETTING, ð->state); in mtk_pending_work()
4210 mtk_prepare_for_reset(eth); in mtk_pending_work()
4215 mtk_prepare_for_reset(eth); in mtk_pending_work()
4219 if (!eth->netdev[i] || !netif_running(eth->netdev[i])) in mtk_pending_work()
4222 mtk_stop(eth->netdev[i]); in mtk_pending_work()
4228 if (eth->dev->pins) in mtk_pending_work()
4229 pinctrl_select_state(eth->dev->pins->p, in mtk_pending_work()
4230 eth->dev->pins->default_state); in mtk_pending_work()
4231 mtk_hw_init(eth, true); in mtk_pending_work()
4235 if (!eth->netdev[i] || !test_bit(i, &restart)) in mtk_pending_work()
4238 if (mtk_open(eth->netdev[i])) { in mtk_pending_work()
4239 netif_alert(eth, ifup, eth->netdev[i], in mtk_pending_work()
4241 dev_close(eth->netdev[i]); in mtk_pending_work()
4247 i <= (mtk_is_netsys_v3_or_greater(eth) ? MTK_GMAC3_ID : MTK_GMAC2_ID); in mtk_pending_work()
4249 val = mtk_r32(eth, MTK_FE_GLO_CFG(i)) & ~MTK_FE_LINK_DOWN_P(PSE_PPE0_PORT); in mtk_pending_work()
4250 if (MTK_HAS_CAPS(eth->soc->caps, MTK_RSTCTRL_PPE1)) in mtk_pending_work()
4252 if (MTK_HAS_CAPS(eth->soc->caps, MTK_RSTCTRL_PPE2)) in mtk_pending_work()
4255 mtk_w32(eth, val, MTK_FE_GLO_CFG(i)); in mtk_pending_work()
4258 clear_bit(MTK_RESETTING, ð->state); in mtk_pending_work()
4265 static int mtk_free_dev(struct mtk_eth *eth) in mtk_free_dev() argument
4270 if (!eth->netdev[i]) in mtk_free_dev()
4272 free_netdev(eth->netdev[i]); in mtk_free_dev()
4275 for (i = 0; i < ARRAY_SIZE(eth->dsa_meta); i++) { in mtk_free_dev()
4276 if (!eth->dsa_meta[i]) in mtk_free_dev()
4278 metadata_dst_free(eth->dsa_meta[i]); in mtk_free_dev()
4284 static int mtk_unreg_dev(struct mtk_eth *eth) in mtk_unreg_dev() argument
4289 struct mtk_mac *mac; in mtk_unreg_dev() local
4290 if (!eth->netdev[i]) in mtk_unreg_dev()
4292 mac = netdev_priv(eth->netdev[i]); in mtk_unreg_dev()
4293 if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) in mtk_unreg_dev()
4294 unregister_netdevice_notifier(&mac->device_notifier); in mtk_unreg_dev()
4295 unregister_netdev(eth->netdev[i]); in mtk_unreg_dev()
4301 static void mtk_sgmii_destroy(struct mtk_eth *eth) in mtk_sgmii_destroy() argument
4306 mtk_pcs_lynxi_destroy(eth->sgmii_pcs[i]); in mtk_sgmii_destroy()
4309 static int mtk_cleanup(struct mtk_eth *eth) in mtk_cleanup() argument
4311 mtk_sgmii_destroy(eth); in mtk_cleanup()
4312 mtk_unreg_dev(eth); in mtk_cleanup()
4313 mtk_free_dev(eth); in mtk_cleanup()
4314 cancel_work_sync(ð->pending_work); in mtk_cleanup()
4315 cancel_delayed_work_sync(ð->reset.monitor_work); in mtk_cleanup()
4323 struct mtk_mac *mac = netdev_priv(ndev); in mtk_get_link_ksettings() local
4325 if (unlikely(test_bit(MTK_RESETTING, &mac->hw->state))) in mtk_get_link_ksettings()
4326 return -EBUSY; in mtk_get_link_ksettings()
4328 return phylink_ethtool_ksettings_get(mac->phylink, cmd); in mtk_get_link_ksettings()
4334 struct mtk_mac *mac = netdev_priv(ndev); in mtk_set_link_ksettings() local
4336 if (unlikely(test_bit(MTK_RESETTING, &mac->hw->state))) in mtk_set_link_ksettings()
4337 return -EBUSY; in mtk_set_link_ksettings()
4339 return phylink_ethtool_ksettings_set(mac->phylink, cmd); in mtk_set_link_ksettings()
4345 struct mtk_mac *mac = netdev_priv(dev); in mtk_get_drvinfo() local
4347 strscpy(info->driver, mac->hw->dev->driver->name, sizeof(info->driver)); in mtk_get_drvinfo()
4348 strscpy(info->bus_info, dev_name(mac->hw->dev), sizeof(info->bus_info)); in mtk_get_drvinfo()
4349 info->n_stats = ARRAY_SIZE(mtk_ethtool_stats); in mtk_get_drvinfo()
4354 struct mtk_mac *mac = netdev_priv(dev); in mtk_get_msglevel() local
4356 return mac->hw->msg_enable; in mtk_get_msglevel()
4361 struct mtk_mac *mac = netdev_priv(dev); in mtk_set_msglevel() local
4363 mac->hw->msg_enable = value; in mtk_set_msglevel()
4368 struct mtk_mac *mac = netdev_priv(dev); in mtk_nway_reset() local
4370 if (unlikely(test_bit(MTK_RESETTING, &mac->hw->state))) in mtk_nway_reset()
4371 return -EBUSY; in mtk_nway_reset()
4373 if (!mac->phylink) in mtk_nway_reset()
4374 return -ENOTSUPP; in mtk_nway_reset()
4376 return phylink_ethtool_nway_reset(mac->phylink); in mtk_nway_reset()
4385 struct mtk_mac *mac = netdev_priv(dev); in mtk_get_strings() local
4389 if (mtk_page_pool_enabled(mac->hw)) in mtk_get_strings()
4403 struct mtk_mac *mac = netdev_priv(dev); in mtk_get_sset_count() local
4405 if (mtk_page_pool_enabled(mac->hw)) in mtk_get_sset_count()
4410 return -EOPNOTSUPP; in mtk_get_sset_count()
4414 static void mtk_ethtool_pp_stats(struct mtk_eth *eth, u64 *data) in mtk_ethtool_pp_stats() argument
4419 for (i = 0; i < ARRAY_SIZE(eth->rx_ring); i++) { in mtk_ethtool_pp_stats()
4420 struct mtk_rx_ring *ring = ð->rx_ring[i]; in mtk_ethtool_pp_stats()
4422 if (!ring->page_pool) in mtk_ethtool_pp_stats()
4425 page_pool_get_stats(ring->page_pool, &stats); in mtk_ethtool_pp_stats()
4433 struct mtk_mac *mac = netdev_priv(dev); in mtk_get_ethtool_stats() local
4434 struct mtk_hw_stats *hwstats = mac->hw_stats; in mtk_get_ethtool_stats()
4439 if (unlikely(test_bit(MTK_RESETTING, &mac->hw->state))) in mtk_get_ethtool_stats()
4443 if (spin_trylock_bh(&hwstats->stats_lock)) { in mtk_get_ethtool_stats()
4444 mtk_stats_update_mac(mac); in mtk_get_ethtool_stats()
4445 spin_unlock_bh(&hwstats->stats_lock); in mtk_get_ethtool_stats()
4453 start = u64_stats_fetch_begin(&hwstats->syncp); in mtk_get_ethtool_stats()
4457 if (mtk_page_pool_enabled(mac->hw)) in mtk_get_ethtool_stats()
4458 mtk_ethtool_pp_stats(mac->hw, data_dst); in mtk_get_ethtool_stats()
4459 } while (u64_stats_fetch_retry(&hwstats->syncp, start)); in mtk_get_ethtool_stats()
4465 int ret = -EOPNOTSUPP; in mtk_get_rxnfc()
4467 switch (cmd->cmd) { in mtk_get_rxnfc()
4469 if (dev->hw_features & NETIF_F_LRO) { in mtk_get_rxnfc()
4470 cmd->data = MTK_MAX_RX_RING_NUM; in mtk_get_rxnfc()
4475 if (dev->hw_features & NETIF_F_LRO) { in mtk_get_rxnfc()
4476 struct mtk_mac *mac = netdev_priv(dev); in mtk_get_rxnfc() local
4478 cmd->rule_cnt = mac->hwlro_ip_cnt; in mtk_get_rxnfc()
4483 if (dev->hw_features & NETIF_F_LRO) in mtk_get_rxnfc()
4487 if (dev->hw_features & NETIF_F_LRO) in mtk_get_rxnfc()
4500 int ret = -EOPNOTSUPP; in mtk_set_rxnfc()
4502 switch (cmd->cmd) { in mtk_set_rxnfc()
4504 if (dev->hw_features & NETIF_F_LRO) in mtk_set_rxnfc()
4508 if (dev->hw_features & NETIF_F_LRO) in mtk_set_rxnfc()
4520 struct mtk_mac *mac = netdev_priv(dev); in mtk_get_pauseparam() local
4522 phylink_ethtool_get_pauseparam(mac->phylink, pause); in mtk_get_pauseparam()
4527 struct mtk_mac *mac = netdev_priv(dev); in mtk_set_pauseparam() local
4529 return phylink_ethtool_set_pauseparam(mac->phylink, pause); in mtk_set_pauseparam()
4534 struct mtk_mac *mac = netdev_priv(dev); in mtk_get_eee() local
4536 return phylink_ethtool_get_eee(mac->phylink, eee); in mtk_get_eee()
4541 struct mtk_mac *mac = netdev_priv(dev); in mtk_set_eee() local
4543 return phylink_ethtool_set_eee(mac->phylink, eee); in mtk_set_eee()
4549 struct mtk_mac *mac = netdev_priv(dev); in mtk_select_queue() local
4555 queue = mac->id; in mtk_select_queue()
4557 if (queue >= dev->num_tx_queues) in mtk_select_queue()
4604 static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) in mtk_add_mac() argument
4609 struct mtk_mac *mac; in mtk_add_mac() local
4615 dev_err(eth->dev, "missing mac id\n"); in mtk_add_mac()
4616 return -EINVAL; in mtk_add_mac()
4621 dev_err(eth->dev, "%d is not a valid mac id\n", id); in mtk_add_mac()
4622 return -EINVAL; in mtk_add_mac()
4625 if (eth->netdev[id]) { in mtk_add_mac()
4626 dev_err(eth->dev, "duplicate mac id found: %d\n", id); in mtk_add_mac()
4627 return -EINVAL; in mtk_add_mac()
4630 if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) in mtk_add_mac()
4633 eth->netdev[id] = alloc_etherdev_mqs(sizeof(*mac), txqs, 1); in mtk_add_mac()
4634 if (!eth->netdev[id]) { in mtk_add_mac()
4635 dev_err(eth->dev, "alloc_etherdev failed\n"); in mtk_add_mac()
4636 return -ENOMEM; in mtk_add_mac()
4638 mac = netdev_priv(eth->netdev[id]); in mtk_add_mac()
4639 eth->mac[id] = mac; in mtk_add_mac()
4640 mac->id = id; in mtk_add_mac()
4641 mac->hw = eth; in mtk_add_mac()
4642 mac->of_node = np; in mtk_add_mac()
4644 err = of_get_ethdev_address(mac->of_node, eth->netdev[id]); in mtk_add_mac()
4645 if (err == -EPROBE_DEFER) in mtk_add_mac()
4649 /* If the mac address is invalid, use random mac address */ in mtk_add_mac()
4650 eth_hw_addr_random(eth->netdev[id]); in mtk_add_mac()
4651 dev_err(eth->dev, "generated random MAC address %pM\n", in mtk_add_mac()
4652 eth->netdev[id]->dev_addr); in mtk_add_mac()
4655 memset(mac->hwlro_ip, 0, sizeof(mac->hwlro_ip)); in mtk_add_mac()
4656 mac->hwlro_ip_cnt = 0; in mtk_add_mac()
4658 mac->hw_stats = devm_kzalloc(eth->dev, in mtk_add_mac()
4659 sizeof(*mac->hw_stats), in mtk_add_mac()
4661 if (!mac->hw_stats) { in mtk_add_mac()
4662 dev_err(eth->dev, "failed to allocate counter memory\n"); in mtk_add_mac()
4663 err = -ENOMEM; in mtk_add_mac()
4666 spin_lock_init(&mac->hw_stats->stats_lock); in mtk_add_mac()
4667 u64_stats_init(&mac->hw_stats->syncp); in mtk_add_mac()
4669 if (mtk_is_netsys_v3_or_greater(eth)) in mtk_add_mac()
4670 mac->hw_stats->reg_offset = id * 0x80; in mtk_add_mac()
4672 mac->hw_stats->reg_offset = id * 0x40; in mtk_add_mac()
4677 dev_err(eth->dev, "incorrect phy-mode\n"); in mtk_add_mac()
4681 /* mac config is not set */ in mtk_add_mac()
4682 mac->interface = PHY_INTERFACE_MODE_NA; in mtk_add_mac()
4683 mac->speed = SPEED_UNKNOWN; in mtk_add_mac()
4685 mac->phylink_config.dev = ð->netdev[id]->dev; in mtk_add_mac()
4686 mac->phylink_config.type = PHYLINK_NETDEV; in mtk_add_mac()
4687 mac->phylink_config.mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE | in mtk_add_mac()
4689 mac->phylink_config.lpi_capabilities = MAC_100FD | MAC_1000FD | in mtk_add_mac()
4691 mac->phylink_config.lpi_timer_default = 1000; in mtk_add_mac()
4693 /* MT7623 gmac0 is now missing its speed-specific PLL configuration in mtk_add_mac()
4694 * in its .mac_config method (since state->speed is not valid there. in mtk_add_mac()
4697 if (!mac->hw->soc->disable_pll_modes || mac->id != 0) { in mtk_add_mac()
4699 mac->phylink_config.supported_interfaces); in mtk_add_mac()
4701 mac->phylink_config.supported_interfaces); in mtk_add_mac()
4703 if (MTK_HAS_CAPS(mac->hw->soc->caps, MTK_RGMII)) in mtk_add_mac()
4704 phy_interface_set_rgmii(mac->phylink_config.supported_interfaces); in mtk_add_mac()
4707 if (MTK_HAS_CAPS(mac->hw->soc->caps, MTK_TRGMII) && !mac->id) in mtk_add_mac()
4709 mac->phylink_config.supported_interfaces); in mtk_add_mac()
4712 if (MTK_HAS_CAPS(mac->hw->soc->caps, MTK_GMAC1_TRGMII) && in mtk_add_mac()
4713 MTK_HAS_CAPS(mac->hw->soc->caps, MTK_TRGMII_MT7621_CLK)) { in mtk_add_mac()
4714 regmap_read(eth->ethsys, ETHSYS_SYSCFG, &val); in mtk_add_mac()
4717 mac->phylink_config.supported_interfaces); in mtk_add_mac()
4720 if (MTK_HAS_CAPS(mac->hw->soc->caps, MTK_SGMII)) { in mtk_add_mac()
4722 mac->phylink_config.supported_interfaces); in mtk_add_mac()
4724 mac->phylink_config.supported_interfaces); in mtk_add_mac()
4726 mac->phylink_config.supported_interfaces); in mtk_add_mac()
4729 if (mtk_is_netsys_v3_or_greater(mac->hw) && in mtk_add_mac()
4730 MTK_HAS_CAPS(mac->hw->soc->caps, MTK_ESW_BIT) && in mtk_add_mac()
4732 mac->phylink_config.mac_capabilities = MAC_ASYM_PAUSE | in mtk_add_mac()
4735 phy_interface_zero(mac->phylink_config.supported_interfaces); in mtk_add_mac()
4737 mac->phylink_config.supported_interfaces); in mtk_add_mac()
4740 phylink = phylink_create(&mac->phylink_config, in mtk_add_mac()
4741 of_fwnode_handle(mac->of_node), in mtk_add_mac()
4748 mac->phylink = phylink; in mtk_add_mac()
4750 SET_NETDEV_DEV(eth->netdev[id], eth->dev); in mtk_add_mac()
4751 eth->netdev[id]->watchdog_timeo = 5 * HZ; in mtk_add_mac()
4752 eth->netdev[id]->netdev_ops = &mtk_netdev_ops; in mtk_add_mac()
4753 eth->netdev[id]->base_addr = (unsigned long)eth->base; in mtk_add_mac()
4755 eth->netdev[id]->hw_features = eth->soc->hw_features; in mtk_add_mac()
4756 if (eth->hwlro) in mtk_add_mac()
4757 eth->netdev[id]->hw_features |= NETIF_F_LRO; in mtk_add_mac()
4759 eth->netdev[id]->vlan_features = eth->soc->hw_features & in mtk_add_mac()
4761 eth->netdev[id]->features |= eth->soc->hw_features; in mtk_add_mac()
4762 eth->netdev[id]->ethtool_ops = &mtk_ethtool_ops; in mtk_add_mac()
4764 eth->netdev[id]->irq = eth->irq[0]; in mtk_add_mac()
4765 eth->netdev[id]->dev.of_node = np; in mtk_add_mac()
4767 if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) in mtk_add_mac()
4768 eth->netdev[id]->max_mtu = MTK_MAX_RX_LENGTH - MTK_RX_ETH_HLEN; in mtk_add_mac()
4770 eth->netdev[id]->max_mtu = MTK_MAX_RX_LENGTH_2K - MTK_RX_ETH_HLEN; in mtk_add_mac()
4772 if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) { in mtk_add_mac()
4773 mac->device_notifier.notifier_call = mtk_device_event; in mtk_add_mac()
4774 register_netdevice_notifier(&mac->device_notifier); in mtk_add_mac()
4777 if (mtk_page_pool_enabled(eth)) in mtk_add_mac()
4778 eth->netdev[id]->xdp_features = NETDEV_XDP_ACT_BASIC | in mtk_add_mac()
4786 free_netdev(eth->netdev[id]); in mtk_add_mac()
4790 void mtk_eth_set_dma_device(struct mtk_eth *eth, struct device *dma_dev) in mtk_eth_set_dma_device() argument
4799 dev = eth->netdev[i]; in mtk_eth_set_dma_device()
4801 if (!dev || !(dev->flags & IFF_UP)) in mtk_eth_set_dma_device()
4804 list_add_tail(&dev->close_list, &dev_list); in mtk_eth_set_dma_device()
4809 eth->dma_dev = dma_dev; in mtk_eth_set_dma_device()
4812 list_del_init(&dev->close_list); in mtk_eth_set_dma_device()
4819 static int mtk_sgmii_init(struct mtk_eth *eth) in mtk_sgmii_init() argument
4827 np = of_parse_phandle(eth->dev->of_node, "mediatek,sgmiisys", i); in mtk_sgmii_init()
4841 eth->sgmii_pcs[i] = mtk_pcs_lynxi_create(eth->dev, regmap, in mtk_sgmii_init()
4842 eth->soc->ana_rgc3, in mtk_sgmii_init()
4853 struct mtk_eth *eth; in mtk_probe() local
4856 eth = devm_kzalloc(&pdev->dev, sizeof(*eth), GFP_KERNEL); in mtk_probe()
4857 if (!eth) in mtk_probe()
4858 return -ENOMEM; in mtk_probe()
4860 eth->soc = of_device_get_match_data(&pdev->dev); in mtk_probe()
4862 eth->dev = &pdev->dev; in mtk_probe()
4863 eth->dma_dev = &pdev->dev; in mtk_probe()
4864 eth->base = devm_platform_ioremap_resource(pdev, 0); in mtk_probe()
4865 if (IS_ERR(eth->base)) in mtk_probe()
4866 return PTR_ERR(eth->base); in mtk_probe()
4868 if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) in mtk_probe()
4869 eth->ip_align = NET_IP_ALIGN; in mtk_probe()
4871 if (MTK_HAS_CAPS(eth->soc->caps, MTK_SRAM)) { in mtk_probe()
4876 if (mtk_is_netsys_v3_or_greater(eth)) { in mtk_probe()
4877 eth->sram_base = (void __force *)devm_platform_ioremap_resource(pdev, 1); in mtk_probe()
4878 if (IS_ERR(eth->sram_base)) in mtk_probe()
4879 return PTR_ERR(eth->sram_base); in mtk_probe()
4881 eth->sram_base = (void __force *)eth->base + MTK_ETH_SRAM_OFFSET; in mtk_probe()
4885 if (MTK_HAS_CAPS(eth->soc->caps, MTK_36BIT_DMA)) { in mtk_probe()
4886 err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(36)); in mtk_probe()
4888 err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); in mtk_probe()
4891 dev_err(&pdev->dev, "Wrong DMA config\n"); in mtk_probe()
4892 return -EINVAL; in mtk_probe()
4896 spin_lock_init(ð->page_lock); in mtk_probe()
4897 spin_lock_init(ð->tx_irq_lock); in mtk_probe()
4898 spin_lock_init(ð->rx_irq_lock); in mtk_probe()
4899 spin_lock_init(ð->dim_lock); in mtk_probe()
4901 eth->rx_dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_EQE; in mtk_probe()
4902 INIT_WORK(ð->rx_dim.work, mtk_dim_rx); in mtk_probe()
4903 INIT_DELAYED_WORK(ð->reset.monitor_work, mtk_hw_reset_monitor_work); in mtk_probe()
4905 eth->tx_dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_EQE; in mtk_probe()
4906 INIT_WORK(ð->tx_dim.work, mtk_dim_tx); in mtk_probe()
4908 if (!MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) { in mtk_probe()
4909 eth->ethsys = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, in mtk_probe()
4911 if (IS_ERR(eth->ethsys)) { in mtk_probe()
4912 dev_err(&pdev->dev, "no ethsys regmap found\n"); in mtk_probe()
4913 return PTR_ERR(eth->ethsys); in mtk_probe()
4917 if (MTK_HAS_CAPS(eth->soc->caps, MTK_INFRA)) { in mtk_probe()
4918 eth->infra = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, in mtk_probe()
4920 if (IS_ERR(eth->infra)) { in mtk_probe()
4921 dev_err(&pdev->dev, "no infracfg regmap found\n"); in mtk_probe()
4922 return PTR_ERR(eth->infra); in mtk_probe()
4926 if (of_dma_is_coherent(pdev->dev.of_node)) { in mtk_probe()
4929 cci = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, in mtk_probe()
4930 "cci-control-port"); in mtk_probe()
4936 if (MTK_HAS_CAPS(eth->soc->caps, MTK_SGMII)) { in mtk_probe()
4937 err = mtk_sgmii_init(eth); in mtk_probe()
4943 if (eth->soc->required_pctl) { in mtk_probe()
4944 eth->pctl = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, in mtk_probe()
4946 if (IS_ERR(eth->pctl)) { in mtk_probe()
4947 dev_err(&pdev->dev, "no pctl regmap found\n"); in mtk_probe()
4948 err = PTR_ERR(eth->pctl); in mtk_probe()
4953 if (mtk_is_netsys_v2_or_greater(eth)) { in mtk_probe()
4956 err = -EINVAL; in mtk_probe()
4959 if (MTK_HAS_CAPS(eth->soc->caps, MTK_SRAM)) { in mtk_probe()
4960 if (mtk_is_netsys_v3_or_greater(eth)) { in mtk_probe()
4963 err = -EINVAL; in mtk_probe()
4966 eth->phy_scratch_ring = res_sram->start; in mtk_probe()
4968 eth->phy_scratch_ring = res->start + MTK_ETH_SRAM_OFFSET; in mtk_probe()
4973 if (eth->soc->offload_version) { in mtk_probe()
4979 if (i >= ARRAY_SIZE(eth->soc->reg_map->wdma_base)) in mtk_probe()
4982 np = of_parse_phandle(pdev->dev.of_node, in mtk_probe()
4987 wdma_base = eth->soc->reg_map->wdma_base[i]; in mtk_probe()
4988 wdma_phy = res ? res->start + wdma_base : 0; in mtk_probe()
4989 mtk_wed_add_hw(np, eth, eth->base + wdma_base, in mtk_probe()
4995 if (MTK_HAS_CAPS(eth->soc->caps, MTK_SHARED_INT) && i > 0) in mtk_probe()
4996 eth->irq[i] = eth->irq[0]; in mtk_probe()
4998 eth->irq[i] = platform_get_irq(pdev, i); in mtk_probe()
4999 if (eth->irq[i] < 0) { in mtk_probe()
5000 dev_err(&pdev->dev, "no IRQ%d resource found\n", i); in mtk_probe()
5001 err = -ENXIO; in mtk_probe()
5005 for (i = 0; i < ARRAY_SIZE(eth->clks); i++) { in mtk_probe()
5006 eth->clks[i] = devm_clk_get(eth->dev, in mtk_probe()
5008 if (IS_ERR(eth->clks[i])) { in mtk_probe()
5009 if (PTR_ERR(eth->clks[i]) == -EPROBE_DEFER) { in mtk_probe()
5010 err = -EPROBE_DEFER; in mtk_probe()
5013 if (eth->soc->required_clks & BIT(i)) { in mtk_probe()
5014 dev_err(&pdev->dev, "clock %s not found\n", in mtk_probe()
5016 err = -EINVAL; in mtk_probe()
5019 eth->clks[i] = NULL; in mtk_probe()
5023 eth->msg_enable = netif_msg_init(mtk_msg_level, MTK_DEFAULT_MSG_ENABLE); in mtk_probe()
5024 INIT_WORK(ð->pending_work, mtk_pending_work); in mtk_probe()
5026 err = mtk_hw_init(eth, false); in mtk_probe()
5030 eth->hwlro = MTK_HAS_CAPS(eth->soc->caps, MTK_HWLRO); in mtk_probe()
5032 for_each_child_of_node(pdev->dev.of_node, mac_np) { in mtk_probe()
5034 "mediatek,eth-mac")) in mtk_probe()
5040 err = mtk_add_mac(eth, mac_np); in mtk_probe()
5047 if (MTK_HAS_CAPS(eth->soc->caps, MTK_SHARED_INT)) { in mtk_probe()
5048 err = devm_request_irq(eth->dev, eth->irq[0], in mtk_probe()
5050 dev_name(eth->dev), eth); in mtk_probe()
5052 err = devm_request_irq(eth->dev, eth->irq[1], in mtk_probe()
5054 dev_name(eth->dev), eth); in mtk_probe()
5058 err = devm_request_irq(eth->dev, eth->irq[2], in mtk_probe()
5060 dev_name(eth->dev), eth); in mtk_probe()
5066 if (!MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) { in mtk_probe()
5067 err = mtk_mdio_init(eth); in mtk_probe()
5072 if (eth->soc->offload_version) { in mtk_probe()
5073 u8 ppe_num = eth->soc->ppe_num; in mtk_probe()
5075 ppe_num = min_t(u8, ARRAY_SIZE(eth->ppe), ppe_num); in mtk_probe()
5077 u32 ppe_addr = eth->soc->reg_map->ppe_base; in mtk_probe()
5080 eth->ppe[i] = mtk_ppe_init(eth, eth->base + ppe_addr, i); in mtk_probe()
5082 if (!eth->ppe[i]) { in mtk_probe()
5083 err = -ENOMEM; in mtk_probe()
5086 err = mtk_eth_offload_init(eth, i); in mtk_probe()
5094 if (!eth->netdev[i]) in mtk_probe()
5097 err = register_netdev(eth->netdev[i]); in mtk_probe()
5099 dev_err(eth->dev, "error bringing up device\n"); in mtk_probe()
5102 netif_info(eth, probe, eth->netdev[i], in mtk_probe()
5104 eth->netdev[i]->base_addr, eth->irq[0]); in mtk_probe()
5110 eth->dummy_dev = alloc_netdev_dummy(0); in mtk_probe()
5111 if (!eth->dummy_dev) { in mtk_probe()
5112 err = -ENOMEM; in mtk_probe()
5113 dev_err(eth->dev, "failed to allocated dummy device\n"); in mtk_probe()
5116 netif_napi_add(eth->dummy_dev, ð->tx_napi, mtk_napi_tx); in mtk_probe()
5117 netif_napi_add(eth->dummy_dev, ð->rx_napi, mtk_napi_rx); in mtk_probe()
5119 platform_set_drvdata(pdev, eth); in mtk_probe()
5120 schedule_delayed_work(ð->reset.monitor_work, in mtk_probe()
5126 mtk_unreg_dev(eth); in mtk_probe()
5128 mtk_ppe_deinit(eth); in mtk_probe()
5129 mtk_mdio_cleanup(eth); in mtk_probe()
5131 mtk_free_dev(eth); in mtk_probe()
5133 mtk_hw_deinit(eth); in mtk_probe()
5137 mtk_sgmii_destroy(eth); in mtk_probe()
5144 struct mtk_eth *eth = platform_get_drvdata(pdev); in mtk_remove() local
5145 struct mtk_mac *mac; in mtk_remove() local
5150 if (!eth->netdev[i]) in mtk_remove()
5152 mtk_stop(eth->netdev[i]); in mtk_remove()
5153 mac = netdev_priv(eth->netdev[i]); in mtk_remove()
5154 phylink_disconnect_phy(mac->phylink); in mtk_remove()
5158 mtk_hw_deinit(eth); in mtk_remove()
5160 netif_napi_del(ð->tx_napi); in mtk_remove()
5161 netif_napi_del(ð->rx_napi); in mtk_remove()
5162 mtk_cleanup(eth); in mtk_remove()
5163 free_netdev(eth->dummy_dev); in mtk_remove()
5164 mtk_mdio_cleanup(eth); in mtk_remove()
5418 { .compatible = "mediatek,mt2701-eth", .data = &mt2701_data },
5419 { .compatible = "mediatek,mt7621-eth", .data = &mt7621_data },
5420 { .compatible = "mediatek,mt7622-eth", .data = &mt7622_data },
5421 { .compatible = "mediatek,mt7623-eth", .data = &mt7623_data },
5422 { .compatible = "mediatek,mt7629-eth", .data = &mt7629_data },
5423 { .compatible = "mediatek,mt7981-eth", .data = &mt7981_data },
5424 { .compatible = "mediatek,mt7986-eth", .data = &mt7986_data },
5425 { .compatible = "mediatek,mt7988-eth", .data = &mt7988_data },
5426 { .compatible = "ralink,rt5350-eth", .data = &rt5350_data },