diff options
Diffstat (limited to 'drivers/net/ethernet/realtek/r8169.c')
| -rw-r--r-- | drivers/net/ethernet/realtek/r8169.c | 429 |
1 files changed, 132 insertions, 297 deletions
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index ed651dde6ef9..efaea1a0ad64 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -491,10 +491,6 @@ enum rtl_register_content { PCIDAC = (1 << 4), PCIMulRW = (1 << 3), #define INTT_MASK GENMASK(1, 0) - INTT_0 = 0x0000, // 8168 - INTT_1 = 0x0001, // 8168 - INTT_2 = 0x0002, // 8168 - INTT_3 = 0x0003, // 8168 /* rtl8169_PHYstatus */ TBI_Enable = 0x80, @@ -703,6 +699,8 @@ struct rtl8169_private { u32 ocp_base; }; +typedef void (*rtl_generic_fct)(struct rtl8169_private *tp); + MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>"); MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver"); module_param_named(debug, debug.msg_enable, int, 0); @@ -3992,131 +3990,65 @@ static void rtl8106e_hw_phy_config(struct rtl8169_private *tp) static void rtl_hw_phy_config(struct net_device *dev) { + static const rtl_generic_fct phy_configs[] = { + /* PCI devices. */ + [RTL_GIGA_MAC_VER_01] = NULL, + [RTL_GIGA_MAC_VER_02] = rtl8169s_hw_phy_config, + [RTL_GIGA_MAC_VER_03] = rtl8169s_hw_phy_config, + [RTL_GIGA_MAC_VER_04] = rtl8169sb_hw_phy_config, + [RTL_GIGA_MAC_VER_05] = rtl8169scd_hw_phy_config, + [RTL_GIGA_MAC_VER_06] = rtl8169sce_hw_phy_config, + /* PCI-E devices. */ + [RTL_GIGA_MAC_VER_07] = rtl8102e_hw_phy_config, + [RTL_GIGA_MAC_VER_08] = rtl8102e_hw_phy_config, + [RTL_GIGA_MAC_VER_09] = rtl8102e_hw_phy_config, + [RTL_GIGA_MAC_VER_10] = NULL, + [RTL_GIGA_MAC_VER_11] = rtl8168bb_hw_phy_config, + [RTL_GIGA_MAC_VER_12] = rtl8168bef_hw_phy_config, + [RTL_GIGA_MAC_VER_13] = NULL, + [RTL_GIGA_MAC_VER_14] = NULL, + [RTL_GIGA_MAC_VER_15] = NULL, + [RTL_GIGA_MAC_VER_16] = NULL, + [RTL_GIGA_MAC_VER_17] = rtl8168bef_hw_phy_config, + [RTL_GIGA_MAC_VER_18] = rtl8168cp_1_hw_phy_config, + [RTL_GIGA_MAC_VER_19] = rtl8168c_1_hw_phy_config, + [RTL_GIGA_MAC_VER_20] = rtl8168c_2_hw_phy_config, + [RTL_GIGA_MAC_VER_21] = rtl8168c_3_hw_phy_config, + [RTL_GIGA_MAC_VER_22] = rtl8168c_4_hw_phy_config, + [RTL_GIGA_MAC_VER_23] = rtl8168cp_2_hw_phy_config, + [RTL_GIGA_MAC_VER_24] = rtl8168cp_2_hw_phy_config, + [RTL_GIGA_MAC_VER_25] = rtl8168d_1_hw_phy_config, + [RTL_GIGA_MAC_VER_26] = rtl8168d_2_hw_phy_config, + [RTL_GIGA_MAC_VER_27] = rtl8168d_3_hw_phy_config, + [RTL_GIGA_MAC_VER_28] = rtl8168d_4_hw_phy_config, + [RTL_GIGA_MAC_VER_29] = rtl8105e_hw_phy_config, + [RTL_GIGA_MAC_VER_30] = rtl8105e_hw_phy_config, + [RTL_GIGA_MAC_VER_31] = NULL, + [RTL_GIGA_MAC_VER_32] = rtl8168e_1_hw_phy_config, + [RTL_GIGA_MAC_VER_33] = rtl8168e_1_hw_phy_config, + [RTL_GIGA_MAC_VER_34] = rtl8168e_2_hw_phy_config, + [RTL_GIGA_MAC_VER_35] = rtl8168f_1_hw_phy_config, + [RTL_GIGA_MAC_VER_36] = rtl8168f_2_hw_phy_config, + [RTL_GIGA_MAC_VER_37] = rtl8402_hw_phy_config, + [RTL_GIGA_MAC_VER_38] = rtl8411_hw_phy_config, + [RTL_GIGA_MAC_VER_39] = rtl8106e_hw_phy_config, + [RTL_GIGA_MAC_VER_40] = rtl8168g_1_hw_phy_config, + [RTL_GIGA_MAC_VER_41] = NULL, + [RTL_GIGA_MAC_VER_42] = rtl8168g_2_hw_phy_config, + [RTL_GIGA_MAC_VER_43] = rtl8168g_2_hw_phy_config, + [RTL_GIGA_MAC_VER_44] = rtl8168g_2_hw_phy_config, + [RTL_GIGA_MAC_VER_45] = rtl8168h_1_hw_phy_config, + [RTL_GIGA_MAC_VER_46] = rtl8168h_2_hw_phy_config, + [RTL_GIGA_MAC_VER_47] = rtl8168h_1_hw_phy_config, + [RTL_GIGA_MAC_VER_48] = rtl8168h_2_hw_phy_config, + [RTL_GIGA_MAC_VER_49] = rtl8168ep_1_hw_phy_config, + [RTL_GIGA_MAC_VER_50] = rtl8168ep_2_hw_phy_config, + [RTL_GIGA_MAC_VER_51] = rtl8168ep_2_hw_phy_config, + }; struct rtl8169_private *tp = netdev_priv(dev); - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_01: - break; - case RTL_GIGA_MAC_VER_02: - case RTL_GIGA_MAC_VER_03: - rtl8169s_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_04: - rtl8169sb_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_05: - rtl8169scd_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_06: - rtl8169sce_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_07: - case RTL_GIGA_MAC_VER_08: - case RTL_GIGA_MAC_VER_09: - rtl8102e_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_11: - rtl8168bb_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_12: - rtl8168bef_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_17: - rtl8168bef_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_18: - rtl8168cp_1_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_19: - rtl8168c_1_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_20: - rtl8168c_2_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_21: - rtl8168c_3_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_22: - rtl8168c_4_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_23: - case RTL_GIGA_MAC_VER_24: - rtl8168cp_2_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_25: - rtl8168d_1_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_26: - rtl8168d_2_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_27: - rtl8168d_3_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_28: - rtl8168d_4_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_29: - case RTL_GIGA_MAC_VER_30: - rtl8105e_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_31: - /* None. */ - break; - case RTL_GIGA_MAC_VER_32: - case RTL_GIGA_MAC_VER_33: - rtl8168e_1_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_34: - rtl8168e_2_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_35: - rtl8168f_1_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_36: - rtl8168f_2_hw_phy_config(tp); - break; - - case RTL_GIGA_MAC_VER_37: - rtl8402_hw_phy_config(tp); - break; - - case RTL_GIGA_MAC_VER_38: - rtl8411_hw_phy_config(tp); - break; - - case RTL_GIGA_MAC_VER_39: - rtl8106e_hw_phy_config(tp); - break; - - case RTL_GIGA_MAC_VER_40: - rtl8168g_1_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_42: - case RTL_GIGA_MAC_VER_43: - case RTL_GIGA_MAC_VER_44: - rtl8168g_2_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_45: - case RTL_GIGA_MAC_VER_47: - rtl8168h_1_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_46: - case RTL_GIGA_MAC_VER_48: - rtl8168h_2_hw_phy_config(tp); - break; - - case RTL_GIGA_MAC_VER_49: - rtl8168ep_1_hw_phy_config(tp); - break; - case RTL_GIGA_MAC_VER_50: - case RTL_GIGA_MAC_VER_51: - rtl8168ep_2_hw_phy_config(tp); - break; - - case RTL_GIGA_MAC_VER_41: - default: - break; - } + if (phy_configs[tp->mac_version]) + phy_configs[tp->mac_version](tp); } static void rtl_schedule_task(struct rtl8169_private *tp, enum rtl_flag flag) @@ -4703,6 +4635,8 @@ static void rtl_hw_start(struct rtl8169_private *tp) rtl_set_rx_tx_desc_registers(tp); rtl_lock_config_regs(tp); + /* disable interrupt coalescing */ + RTL_W16(tp, IntrMitigate, 0x0000); /* Initially a 10 us delay. Turned it into a PCI commit. - FR */ RTL_R8(tp, IntrMask); RTL_W8(tp, ChipCmd, CmdTxEnb | CmdRxEnb); @@ -4735,12 +4669,6 @@ static void rtl_hw_start_8169(struct rtl8169_private *tp) rtl8169_set_magic_reg(tp, tp->mac_version); - /* - * Undocumented corner. Supposedly: - * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets - */ - RTL_W16(tp, IntrMitigate, 0x0000); - RTL_W32(tp, RxMissed, 0); } @@ -5453,128 +5381,6 @@ static void rtl_hw_start_8168ep_3(struct rtl8169_private *tp) rtl_hw_aspm_clkreq_enable(tp, true); } -static void rtl_hw_start_8168(struct rtl8169_private *tp) -{ - RTL_W8(tp, MaxTxPacketSize, TxPacketMax); - - tp->cp_cmd &= ~INTT_MASK; - tp->cp_cmd |= PktCntrDisable | INTT_1; - RTL_W16(tp, CPlusCmd, tp->cp_cmd); - - RTL_W16(tp, IntrMitigate, 0x5100); - - /* Work around for RxFIFO overflow. */ - if (tp->mac_version == RTL_GIGA_MAC_VER_11) { - tp->irq_mask |= RxFIFOOver; - tp->irq_mask &= ~RxOverflow; - } - - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_11: - rtl_hw_start_8168bb(tp); - break; - - case RTL_GIGA_MAC_VER_12: - case RTL_GIGA_MAC_VER_17: - rtl_hw_start_8168bef(tp); - break; - - case RTL_GIGA_MAC_VER_18: - rtl_hw_start_8168cp_1(tp); - break; - - case RTL_GIGA_MAC_VER_19: - rtl_hw_start_8168c_1(tp); - break; - - case RTL_GIGA_MAC_VER_20: - rtl_hw_start_8168c_2(tp); - break; - - case RTL_GIGA_MAC_VER_21: - rtl_hw_start_8168c_3(tp); - break; - - case RTL_GIGA_MAC_VER_22: - rtl_hw_start_8168c_4(tp); - break; - - case RTL_GIGA_MAC_VER_23: - rtl_hw_start_8168cp_2(tp); - break; - - case RTL_GIGA_MAC_VER_24: - rtl_hw_start_8168cp_3(tp); - break; - - case RTL_GIGA_MAC_VER_25: - case RTL_GIGA_MAC_VER_26: - case RTL_GIGA_MAC_VER_27: - rtl_hw_start_8168d(tp); - break; - - case RTL_GIGA_MAC_VER_28: - rtl_hw_start_8168d_4(tp); - break; - - case RTL_GIGA_MAC_VER_31: - rtl_hw_start_8168dp(tp); - break; - - case RTL_GIGA_MAC_VER_32: - case RTL_GIGA_MAC_VER_33: - rtl_hw_start_8168e_1(tp); - break; - case RTL_GIGA_MAC_VER_34: - rtl_hw_start_8168e_2(tp); - break; - - case RTL_GIGA_MAC_VER_35: - case RTL_GIGA_MAC_VER_36: - rtl_hw_start_8168f_1(tp); - break; - - case RTL_GIGA_MAC_VER_38: - rtl_hw_start_8411(tp); - break; - - case RTL_GIGA_MAC_VER_40: - case RTL_GIGA_MAC_VER_41: - rtl_hw_start_8168g_1(tp); - break; - case RTL_GIGA_MAC_VER_42: - rtl_hw_start_8168g_2(tp); - break; - - case RTL_GIGA_MAC_VER_44: - rtl_hw_start_8411_2(tp); - break; - - case RTL_GIGA_MAC_VER_45: - case RTL_GIGA_MAC_VER_46: - rtl_hw_start_8168h_1(tp); - break; - - case RTL_GIGA_MAC_VER_49: - rtl_hw_start_8168ep_1(tp); - break; - - case RTL_GIGA_MAC_VER_50: - rtl_hw_start_8168ep_2(tp); - break; - - case RTL_GIGA_MAC_VER_51: - rtl_hw_start_8168ep_3(tp); - break; - - default: - netif_err(tp, drv, tp->dev, - "unknown chipset (mac_version = %d)\n", - tp->mac_version); - break; - } -} - static void rtl_hw_start_8102e_1(struct rtl8169_private *tp) { static const struct ephy_info e_info_8102e_1[] = { @@ -5700,6 +5506,73 @@ static void rtl_hw_start_8106(struct rtl8169_private *tp) rtl_hw_aspm_clkreq_enable(tp, true); } +static void rtl_hw_config(struct rtl8169_private *tp) +{ + static const rtl_generic_fct hw_configs[] = { + [RTL_GIGA_MAC_VER_07] = rtl_hw_start_8102e_1, + [RTL_GIGA_MAC_VER_08] = rtl_hw_start_8102e_3, + [RTL_GIGA_MAC_VER_09] = rtl_hw_start_8102e_2, + [RTL_GIGA_MAC_VER_10] = NULL, + [RTL_GIGA_MAC_VER_11] = rtl_hw_start_8168bb, + [RTL_GIGA_MAC_VER_12] = rtl_hw_start_8168bef, + [RTL_GIGA_MAC_VER_13] = NULL, + [RTL_GIGA_MAC_VER_14] = NULL, + [RTL_GIGA_MAC_VER_15] = NULL, + [RTL_GIGA_MAC_VER_16] = NULL, + [RTL_GIGA_MAC_VER_17] = rtl_hw_start_8168bef, + [RTL_GIGA_MAC_VER_18] = rtl_hw_start_8168cp_1, + [RTL_GIGA_MAC_VER_19] = rtl_hw_start_8168c_1, + [RTL_GIGA_MAC_VER_20] = rtl_hw_start_8168c_2, + [RTL_GIGA_MAC_VER_21] = rtl_hw_start_8168c_3, + [RTL_GIGA_MAC_VER_22] = rtl_hw_start_8168c_4, + [RTL_GIGA_MAC_VER_23] = rtl_hw_start_8168cp_2, + [RTL_GIGA_MAC_VER_24] = rtl_hw_start_8168cp_3, + [RTL_GIGA_MAC_VER_25] = rtl_hw_start_8168d, + [RTL_GIGA_MAC_VER_26] = rtl_hw_start_8168d, + [RTL_GIGA_MAC_VER_27] = rtl_hw_start_8168d, + [RTL_GIGA_MAC_VER_28] = rtl_hw_start_8168d_4, + [RTL_GIGA_MAC_VER_29] = rtl_hw_start_8105e_1, + [RTL_GIGA_MAC_VER_30] = rtl_hw_start_8105e_2, + [RTL_GIGA_MAC_VER_31] = rtl_hw_start_8168dp, + [RTL_GIGA_MAC_VER_32] = rtl_hw_start_8168e_1, + [RTL_GIGA_MAC_VER_33] = rtl_hw_start_8168e_1, + [RTL_GIGA_MAC_VER_34] = rtl_hw_start_8168e_2, + [RTL_GIGA_MAC_VER_35] = rtl_hw_start_8168f_1, + [RTL_GIGA_MAC_VER_36] = rtl_hw_start_8168f_1, + [RTL_GIGA_MAC_VER_37] = rtl_hw_start_8402, + [RTL_GIGA_MAC_VER_38] = rtl_hw_start_8411, + [RTL_GIGA_MAC_VER_39] = rtl_hw_start_8106, + [RTL_GIGA_MAC_VER_40] = rtl_hw_start_8168g_1, + [RTL_GIGA_MAC_VER_41] = rtl_hw_start_8168g_1, + [RTL_GIGA_MAC_VER_42] = rtl_hw_start_8168g_2, + [RTL_GIGA_MAC_VER_43] = rtl_hw_start_8168g_2, + [RTL_GIGA_MAC_VER_44] = rtl_hw_start_8411_2, + [RTL_GIGA_MAC_VER_45] = rtl_hw_start_8168h_1, + [RTL_GIGA_MAC_VER_46] = rtl_hw_start_8168h_1, + [RTL_GIGA_MAC_VER_47] = rtl_hw_start_8168h_1, + [RTL_GIGA_MAC_VER_48] = rtl_hw_start_8168h_1, + [RTL_GIGA_MAC_VER_49] = rtl_hw_start_8168ep_1, + [RTL_GIGA_MAC_VER_50] = rtl_hw_start_8168ep_2, + [RTL_GIGA_MAC_VER_51] = rtl_hw_start_8168ep_3, + }; + + if (hw_configs[tp->mac_version]) + hw_configs[tp->mac_version](tp); +} + +static void rtl_hw_start_8168(struct rtl8169_private *tp) +{ + RTL_W8(tp, MaxTxPacketSize, TxPacketMax); + + /* Workaround for RxFIFO overflow. */ + if (tp->mac_version == RTL_GIGA_MAC_VER_11) { + tp->irq_mask |= RxFIFOOver; + tp->irq_mask &= ~RxOverflow; + } + + rtl_hw_config(tp); +} + static void rtl_hw_start_8101(struct rtl8169_private *tp) { if (tp->mac_version >= RTL_GIGA_MAC_VER_30) @@ -5715,43 +5588,7 @@ static void rtl_hw_start_8101(struct rtl8169_private *tp) tp->cp_cmd &= CPCMD_QUIRK_MASK; RTL_W16(tp, CPlusCmd, tp->cp_cmd); - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_07: - rtl_hw_start_8102e_1(tp); - break; - - case RTL_GIGA_MAC_VER_08: - rtl_hw_start_8102e_3(tp); - break; - - case RTL_GIGA_MAC_VER_09: - rtl_hw_start_8102e_2(tp); - break; - - case RTL_GIGA_MAC_VER_29: - rtl_hw_start_8105e_1(tp); - break; - case RTL_GIGA_MAC_VER_30: - rtl_hw_start_8105e_2(tp); - break; - - case RTL_GIGA_MAC_VER_37: - rtl_hw_start_8402(tp); - break; - - case RTL_GIGA_MAC_VER_39: - rtl_hw_start_8106(tp); - break; - case RTL_GIGA_MAC_VER_43: - rtl_hw_start_8168g_2(tp); - break; - case RTL_GIGA_MAC_VER_47: - case RTL_GIGA_MAC_VER_48: - rtl_hw_start_8168h_1(tp); - break; - } - - RTL_W16(tp, IntrMitigate, 0x0000); + rtl_hw_config(tp); } static int rtl8169_change_mtu(struct net_device *dev, int new_mtu) @@ -6268,7 +6105,7 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, */ smp_mb(); if (rtl_tx_slots_avail(tp, MAX_SKB_FRAGS)) - netif_wake_queue(dev); + netif_start_queue(dev); } return NETDEV_TX_OK; @@ -6543,10 +6380,8 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance) set_bit(RTL_FLAG_TASK_RESET_PENDING, tp->wk.flags); } - if (status & (RTL_EVENT_NAPI | LinkChg)) { - rtl_irq_disable(tp); - napi_schedule_irqoff(&tp->napi); - } + rtl_irq_disable(tp); + napi_schedule_irqoff(&tp->napi); out: rtl_ack_events(tp, status); |