--- zzzz-none-000/linux-3.10.107/drivers/net/usb/r8152.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/net/usb/r8152.c 2021-02-04 17:41:59.000000000 +0000 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2013 Realtek Semiconductor Corp. All rights reserved. + * Copyright (c) 2014 Realtek Semiconductor Corp. All rights reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -7,11 +7,9 @@ * */ -#include #include #include #include -#include #include #include #include @@ -20,11 +18,23 @@ #include #include #include +#include +#include +#include +#include +#include +#include +#include -/* Version Information */ -#define DRIVER_VERSION "v1.0.0 (2013/05/03)" +/* Information for net-next */ +#define NETNEXT_VERSION "08" + +/* Information for net */ +#define NET_VERSION "2" + +#define DRIVER_VERSION "v1." NETNEXT_VERSION "." NET_VERSION #define DRIVER_AUTHOR "Realtek linux nic maintainers " -#define DRIVER_DESC "Realtek RTL8152 Based USB 2.0 Ethernet Adapters" +#define DRIVER_DESC "Realtek RTL8152/RTL8153 Based USB Ethernet Adapters" #define MODULENAME "r8152" #define R8152_PHY_ID 32 @@ -35,23 +45,36 @@ #define PLA_RXFIFO_CTRL0 0xc0a0 #define PLA_RXFIFO_CTRL1 0xc0a4 #define PLA_RXFIFO_CTRL2 0xc0a8 +#define PLA_DMY_REG0 0xc0b0 #define PLA_FMC 0xc0b4 #define PLA_CFG_WOL 0xc0b6 +#define PLA_TEREDO_CFG 0xc0bc #define PLA_MAR 0xcd00 +#define PLA_BACKUP 0xd000 #define PAL_BDC_CR 0xd1a0 +#define PLA_TEREDO_TIMER 0xd2cc +#define PLA_REALWOW_TIMER 0xd2e8 #define PLA_LEDSEL 0xdd90 #define PLA_LED_FEATURE 0xdd92 #define PLA_PHYAR 0xde00 +#define PLA_BOOT_CTRL 0xe004 #define PLA_GPHY_INTR_IMR 0xe022 #define PLA_EEE_CR 0xe040 #define PLA_EEEP_CR 0xe080 #define PLA_MAC_PWR_CTRL 0xe0c0 +#define PLA_MAC_PWR_CTRL2 0xe0ca +#define PLA_MAC_PWR_CTRL3 0xe0cc +#define PLA_MAC_PWR_CTRL4 0xe0ce +#define PLA_WDT6_CTRL 0xe428 #define PLA_TCR0 0xe610 #define PLA_TCR1 0xe612 +#define PLA_MTPS 0xe615 #define PLA_TXFIFO_CTRL 0xe618 -#define PLA_RSTTELLY 0xe800 +#define PLA_RSTTALLY 0xe800 #define PLA_CR 0xe813 #define PLA_CRWECR 0xe81c +#define PLA_CONFIG12 0xe81e /* CONFIG1, CONFIG2 */ +#define PLA_CONFIG34 0xe820 /* CONFIG3, CONFIG4 */ #define PLA_CONFIG5 0xe822 #define PLA_PHY_PWR 0xe84c #define PLA_OOB_CTRL 0xe84f @@ -59,7 +82,7 @@ #define PLA_MISC_0 0xe858 #define PLA_MISC_1 0xe85a #define PLA_OCP_GPHY_BASE 0xe86c -#define PLA_TELLYCNT 0xe890 +#define PLA_TALLYCNT 0xe890 #define PLA_SFF_STS_7 0xe8de #define PLA_PHYSTATUS 0xe908 #define PLA_BP_BA 0xfc26 @@ -71,16 +94,32 @@ #define PLA_BP_5 0xfc32 #define PLA_BP_6 0xfc34 #define PLA_BP_7 0xfc36 +#define PLA_BP_EN 0xfc38 +#define USB_USB2PHY 0xb41e +#define USB_SSPHYLINK2 0xb428 +#define USB_U2P3_CTRL 0xb460 +#define USB_CSR_DUMMY1 0xb464 +#define USB_CSR_DUMMY2 0xb466 #define USB_DEV_STAT 0xb808 +#define USB_CONNECT_TIMER 0xcbf8 +#define USB_BURST_SIZE 0xcfc0 #define USB_USB_CTRL 0xd406 #define USB_PHY_CTRL 0xd408 #define USB_TX_AGG 0xd40a #define USB_RX_BUF_TH 0xd40c #define USB_USB_TIMER 0xd428 +#define USB_RX_EARLY_TIMEOUT 0xd42c +#define USB_RX_EARLY_SIZE 0xd42e #define USB_PM_CTRL_STATUS 0xd432 #define USB_TX_DMA 0xd434 +#define USB_TOLERANCE 0xd490 +#define USB_LPM_CTRL 0xd41a #define USB_UPS_CTRL 0xd800 +#define USB_MISC_0 0xd81a +#define USB_POWER_CUT 0xd80a +#define USB_AFE_CTRL2 0xd824 +#define USB_WDT11_CTRL 0xe43c #define USB_BP_BA 0xfc26 #define USB_BP_0 0xfc28 #define USB_BP_1 0xfc2a @@ -90,14 +129,33 @@ #define USB_BP_5 0xfc32 #define USB_BP_6 0xfc34 #define USB_BP_7 0xfc36 +#define USB_BP_EN 0xfc38 /* OCP Registers */ #define OCP_ALDPS_CONFIG 0x2010 #define OCP_EEE_CONFIG1 0x2080 #define OCP_EEE_CONFIG2 0x2092 #define OCP_EEE_CONFIG3 0x2094 +#define OCP_BASE_MII 0xa400 #define OCP_EEE_AR 0xa41a #define OCP_EEE_DATA 0xa41c +#define OCP_PHY_STATUS 0xa420 +#define OCP_POWER_CFG 0xa430 +#define OCP_EEE_CFG 0xa432 +#define OCP_SRAM_ADDR 0xa436 +#define OCP_SRAM_DATA 0xa438 +#define OCP_DOWN_SPEED 0xa442 +#define OCP_EEE_ABLE 0xa5c4 +#define OCP_EEE_ADV 0xa5d0 +#define OCP_EEE_LPABLE 0xa5d2 +#define OCP_PHY_STATE 0xa708 /* nway state for 8153 */ +#define OCP_ADC_CFG 0xbc06 + +/* SRAM Register */ +#define SRAM_LPF_CFG 0x8012 +#define SRAM_10M_AMP1 0x8080 +#define SRAM_10M_AMP2 0x8082 +#define SRAM_IMPEDANCE 0x8084 /* PLA_RCR */ #define RCR_AAP 0x00000001 @@ -114,14 +172,20 @@ #define RXFIFO_THR2_FULL 0x00000060 #define RXFIFO_THR2_HIGH 0x00000038 #define RXFIFO_THR2_OOB 0x0000004a +#define RXFIFO_THR2_NORMAL 0x00a0 /* PLA_RXFIFO_CTRL2 */ #define RXFIFO_THR3_FULL 0x00000078 #define RXFIFO_THR3_HIGH 0x00000048 #define RXFIFO_THR3_OOB 0x0000005a +#define RXFIFO_THR3_NORMAL 0x0110 /* PLA_TXFIFO_CTRL */ #define TXFIFO_THR_NORMAL 0x00400008 +#define TXFIFO_THR_NORMAL2 0x01000008 + +/* PLA_DMY_REG0 */ +#define ECM_ALDPS 0x0002 /* PLA_FMC */ #define FMC_FCR_MCU_EN 0x0001 @@ -129,6 +193,9 @@ /* PLA_EEEP_CR */ #define EEEP_CR_EEEP_TX 0x0002 +/* PLA_WDT6_CTRL */ +#define WDT6_SET_MODE 0x0010 + /* PLA_TCR0 */ #define TCR0_TX_EMPTY 0x0800 #define TCR0_AUTO_FIFO 0x0080 @@ -136,6 +203,13 @@ /* PLA_TCR1 */ #define VERSION_MASK 0x7cf0 +/* PLA_MTPS */ +#define MTPS_JUMBO (12 * 1024 / 64) +#define MTPS_DEFAULT (6 * 1024 / 64) + +/* PLA_RSTTALLY */ +#define TALLY_RESET 0x0001 + /* PLA_CR */ #define CR_RST 0x10 #define CR_RE 0x08 @@ -166,10 +240,23 @@ /* PLA_CFG_WOL */ #define MAGIC_EN 0x0001 +/* PLA_TEREDO_CFG */ +#define TEREDO_SEL 0x8000 +#define TEREDO_WAKE_MASK 0x7f00 +#define TEREDO_RS_EVENT_MASK 0x00fe +#define OOB_TEREDO_EN 0x0001 + /* PAL_BDC_CR */ #define ALDPS_PROXY_MODE 0x0001 +/* PLA_CONFIG34 */ +#define LINK_ON_WAKE_EN 0x0010 +#define LINK_OFF_WAKE_EN 0x0008 + /* PLA_CONFIG5 */ +#define BWF_EN 0x0040 +#define MWF_EN 0x0020 +#define UWF_EN 0x0010 #define LAN_WAKE_EN 0x0002 /* PLA_LED_FEATURE */ @@ -183,6 +270,25 @@ #define D3_CLK_GATED_EN 0x00004000 #define MCU_CLK_RATIO 0x07010f07 #define MCU_CLK_RATIO_MASK 0x0f0f0f0f +#define ALDPS_SPDWN_RATIO 0x0f87 + +/* PLA_MAC_PWR_CTRL2 */ +#define EEE_SPDWN_RATIO 0x8007 + +/* PLA_MAC_PWR_CTRL3 */ +#define PKT_AVAIL_SPDWN_EN 0x0100 +#define SUSPEND_SPDWN_EN 0x0004 +#define U1U2_SPDWN_EN 0x0002 +#define L1_SPDWN_EN 0x0001 + +/* PLA_MAC_PWR_CTRL4 */ +#define PWRSAVE_SPDWN_EN 0x1000 +#define RXDV_SPDWN_EN 0x0800 +#define TX10MIDLE_EN 0x0100 +#define TP100_SPDWN_EN 0x0020 +#define TP500_SPDWN_EN 0x0010 +#define TP1000_SPDWN_EN 0x0008 +#define EEE_SPDWN_EN 0x0001 /* PLA_GPHY_INTR_IMR */ #define GPHY_STS_MSK 0x0001 @@ -197,16 +303,35 @@ #define EEE_RX_EN 0x0001 #define EEE_TX_EN 0x0002 +/* PLA_BOOT_CTRL */ +#define AUTOLOAD_DONE 0x0002 + +/* USB_USB2PHY */ +#define USB2PHY_SUSPEND 0x0001 +#define USB2PHY_L1 0x0002 + +/* USB_SSPHYLINK2 */ +#define pwd_dn_scale_mask 0x3ffe +#define pwd_dn_scale(x) ((x) << 1) + +/* USB_CSR_DUMMY1 */ +#define DYNAMIC_BURST 0x0001 + +/* USB_CSR_DUMMY2 */ +#define EP4_FULL_FC 0x0001 + /* USB_DEV_STAT */ #define STAT_SPEED_MASK 0x0006 #define STAT_SPEED_HIGH 0x0000 -#define STAT_SPEED_FULL 0x0001 +#define STAT_SPEED_FULL 0x0002 /* USB_TX_AGG */ #define TX_AGG_MAX_THRESHOLD 0x03 /* USB_RX_BUF_TH */ -#define RX_BUF_THR 0x7a120180 +#define RX_THR_SUPPER 0x0c350180 +#define RX_THR_HIGH 0x7a120180 +#define RX_THR_SLOW 0xffff0180 /* USB_TX_DMA */ #define TEST_MODE_DISABLE 0x00000001 @@ -216,10 +341,43 @@ #define POWER_CUT 0x0100 /* USB_PM_CTRL_STATUS */ -#define RWSUME_INDICATE 0x0001 +#define RESUME_INDICATE 0x0001 /* USB_USB_CTRL */ #define RX_AGG_DISABLE 0x0010 +#define RX_ZERO_EN 0x0080 + +/* USB_U2P3_CTRL */ +#define U2P3_ENABLE 0x0001 + +/* USB_POWER_CUT */ +#define PWR_EN 0x0001 +#define PHASE2_EN 0x0008 + +/* USB_MISC_0 */ +#define PCUT_STATUS 0x0001 + +/* USB_RX_EARLY_TIMEOUT */ +#define COALESCE_SUPER 85000U +#define COALESCE_HIGH 250000U +#define COALESCE_SLOW 524280U + +/* USB_WDT11_CTRL */ +#define TIMER11_EN 0x0001 + +/* USB_LPM_CTRL */ +/* bit 4 ~ 5: fifo empty boundary */ +#define FIFO_EMPTY_1FB 0x30 /* 0x1fb * 64 = 32448 bytes */ +/* bit 2 ~ 3: LMP timer */ +#define LPM_TIMER_MASK 0x0c +#define LPM_TIMER_500MS 0x04 /* 500 ms */ +#define LPM_TIMER_500US 0x0c /* 500 us */ +#define ROK_EXIT_LPM 0x02 + +/* USB_AFE_CTRL2 */ +#define SEN_VAL_MASK 0xf800 +#define SEN_VAL_NORMAL 0xa000 +#define SEL_RXIDLE 0x0100 /* OCP_ALDPS_CONFIG */ #define ENPWRSAVE 0x8000 @@ -227,6 +385,16 @@ #define LINKENA 0x0100 #define DIS_SDSAVE 0x0010 +/* OCP_PHY_STATUS */ +#define PHY_STAT_MASK 0x0007 +#define PHY_STAT_LAN_ON 3 +#define PHY_STAT_PWRDN 5 + +/* OCP_POWER_CFG */ +#define EEE_CLKDIV_EN 0x8000 +#define EN_ALDPS 0x0004 +#define EN_10M_PLLOFF 0x0001 + /* OCP_EEE_CONFIG1 */ #define RG_TXLPI_MSK_HFDUP 0x8000 #define RG_MATCLR_EN 0x4000 @@ -234,7 +402,8 @@ #define EEE_NWAY_EN 0x1000 #define TX_QUIET_EN 0x0200 #define RX_QUIET_EN 0x0100 -#define SDRISETIME 0x0010 /* bit 4 ~ 6 */ +#define sd_rise_time_mask 0x0070 +#define sd_rise_time(x) (min(x, 7) << 4) /* bit 4 ~ 6 */ #define RG_RXLPI_MSK_HFDUP 0x0008 #define SDFALLTIME 0x0007 /* bit 0 ~ 2 */ @@ -246,7 +415,8 @@ #define RG_EEEPRG_EN 0x0010 /* OCP_EEE_CONFIG3 */ -#define FST_SNR_EYE_R 0x1500 /* bit 7 ~ 15 */ +#define fast_snr_mask 0xff80 +#define fast_snr(x) (min(x, 0x1ff) << 7) /* bit 7 ~ 15 */ #define RG_LFS_SEL 0x0060 /* bit 6 ~ 5 */ #define MSK_PH 0x0006 /* bit 0 ~ 3 */ @@ -255,19 +425,52 @@ #define FUN_ADDR 0x0000 #define FUN_DATA 0x4000 /* bit[4:0] device addr */ -#define DEVICE_ADDR 0x0007 -/* OCP_EEE_DATA */ -#define EEE_ADDR 0x003C -#define EEE_DATA 0x0002 +/* OCP_EEE_CFG */ +#define CTAP_SHORT_EN 0x0040 +#define EEE10_EN 0x0010 + +/* OCP_DOWN_SPEED */ +#define EN_10M_BGOFF 0x0080 + +/* OCP_PHY_STATE */ +#define TXDIS_STATE 0x01 +#define ABD_STATE 0x02 + +/* OCP_ADC_CFG */ +#define CKADSEL_L 0x0100 +#define ADC_EN 0x0080 +#define EN_EMI_L 0x0040 + +/* SRAM_LPF_CFG */ +#define LPF_AUTO_TUNE 0x8000 + +/* SRAM_10M_AMP1 */ +#define GDAC_IB_UPALL 0x0008 + +/* SRAM_10M_AMP2 */ +#define AMP_DN 0x0200 + +/* SRAM_IMPEDANCE */ +#define RX_DRIVING_MASK 0x6000 enum rtl_register_content { + _1000bps = 0x10, _100bps = 0x08, _10bps = 0x04, LINK_STATUS = 0x02, FULL_DUP = 0x01, }; +#define RTL8152_MAX_TX 4 +#define RTL8152_MAX_RX 10 +#define INTBUFSIZE 2 +#define CRC_SIZE 4 +#define TX_ALIGN 4 +#define RX_ALIGN 8 + +#define INTR_LINK 0x0004 + #define RTL8152_REQT_READ 0xc0 #define RTL8152_REQT_WRITE 0x40 #define RTL8152_REQ_GET_REGS 0x05 @@ -280,89 +483,220 @@ #define BYTE_EN_START_MASK 0x0f #define BYTE_EN_END_MASK 0xf0 +#define RTL8153_MAX_PACKET 9216 /* 9K */ +#define RTL8153_MAX_MTU (RTL8153_MAX_PACKET - VLAN_ETH_HLEN - VLAN_HLEN) #define RTL8152_RMS (VLAN_ETH_FRAME_LEN + VLAN_HLEN) -#define RTL8152_TX_TIMEOUT (HZ) +#define RTL8153_RMS RTL8153_MAX_PACKET +#define RTL8152_TX_TIMEOUT (5 * HZ) +#define RTL8152_NAPI_WEIGHT 64 /* rtl8152 flags */ enum rtl8152_flags { RTL8152_UNPLUG = 0, - RX_URB_FAIL, RTL8152_SET_RX_MODE, - WORK_ENABLE + WORK_ENABLE, + RTL8152_LINK_CHG, + SELECTIVE_SUSPEND, + PHY_RESET, + SCHEDULE_NAPI, }; /* Define these values to match your device */ #define VENDOR_ID_REALTEK 0x0bda -#define PRODUCT_ID_RTL8152 0x8152 +#define VENDOR_ID_SAMSUNG 0x04e8 +#define VENDOR_ID_LENOVO 0x17ef +#define VENDOR_ID_NVIDIA 0x0955 #define MCU_TYPE_PLA 0x0100 #define MCU_TYPE_USB 0x0000 +struct tally_counter { + __le64 tx_packets; + __le64 rx_packets; + __le64 tx_errors; + __le32 rx_errors; + __le16 rx_missed; + __le16 align_errors; + __le32 tx_one_collision; + __le32 tx_multi_collision; + __le64 rx_unicast; + __le64 rx_broadcast; + __le32 rx_multicast; + __le16 tx_aborted; + __le16 tx_underrun; +}; + struct rx_desc { - u32 opts1; + __le32 opts1; #define RX_LEN_MASK 0x7fff - u32 opts2; - u32 opts3; - u32 opts4; - u32 opts5; - u32 opts6; + + __le32 opts2; +#define RD_UDP_CS BIT(23) +#define RD_TCP_CS BIT(22) +#define RD_IPV6_CS BIT(20) +#define RD_IPV4_CS BIT(19) + + __le32 opts3; +#define IPF BIT(23) /* IP checksum fail */ +#define UDPF BIT(22) /* UDP checksum fail */ +#define TCPF BIT(21) /* TCP checksum fail */ +#define RX_VLAN_TAG BIT(16) + + __le32 opts4; + __le32 opts5; + __le32 opts6; }; struct tx_desc { - u32 opts1; -#define TX_FS (1 << 31) /* First segment of a packet */ -#define TX_LS (1 << 30) /* Final segment of a packet */ -#define TX_LEN_MASK 0xffff - u32 opts2; + __le32 opts1; +#define TX_FS BIT(31) /* First segment of a packet */ +#define TX_LS BIT(30) /* Final segment of a packet */ +#define GTSENDV4 BIT(28) +#define GTSENDV6 BIT(27) +#define GTTCPHO_SHIFT 18 +#define GTTCPHO_MAX 0x7fU +#define TX_LEN_MAX 0x3ffffU + + __le32 opts2; +#define UDP_CS BIT(31) /* Calculate UDP/IP checksum */ +#define TCP_CS BIT(30) /* Calculate TCP/IP checksum */ +#define IPV4_CS BIT(29) /* Calculate IPv4 checksum */ +#define IPV6_CS BIT(28) /* Calculate IPv6 checksum */ +#define MSS_SHIFT 17 +#define MSS_MAX 0x7ffU +#define TCPHO_SHIFT 17 +#define TCPHO_MAX 0x7ffU +#define TX_VLAN_TAG BIT(16) +}; + +struct r8152; + +struct rx_agg { + struct list_head list; + struct urb *urb; + struct r8152 *context; + void *buffer; + void *head; +}; + +struct tx_agg { + struct list_head list; + struct urb *urb; + struct r8152 *context; + void *buffer; + void *head; + u32 skb_num; + u32 skb_len; }; struct r8152 { unsigned long flags; struct usb_device *udev; - struct tasklet_struct tl; + struct napi_struct napi; + struct usb_interface *intf; struct net_device *netdev; - struct urb *rx_urb, *tx_urb; - struct sk_buff *tx_skb, *rx_skb; + struct urb *intr_urb; + struct tx_agg tx_info[RTL8152_MAX_TX]; + struct rx_agg rx_info[RTL8152_MAX_RX]; + struct list_head rx_done, tx_free; + struct sk_buff_head tx_queue, rx_queue; + spinlock_t rx_lock, tx_lock; struct delayed_work schedule; struct mii_if_info mii; + struct mutex control; /* use for hw setting */ + + struct rtl_ops { + void (*init)(struct r8152 *); + int (*enable)(struct r8152 *); + void (*disable)(struct r8152 *); + void (*up)(struct r8152 *); + void (*down)(struct r8152 *); + void (*unload)(struct r8152 *); + int (*eee_get)(struct r8152 *, struct ethtool_eee *); + int (*eee_set)(struct r8152 *, struct ethtool_eee *); + bool (*in_nway)(struct r8152 *); + } rtl_ops; + + int intr_interval; + u32 saved_wolopts; u32 msg_enable; + u32 tx_qlen; + u32 coalesce; u16 ocp_base; + u8 *intr_buff; u8 version; - u8 speed; }; enum rtl_version { RTL_VER_UNKNOWN = 0, RTL_VER_01, - RTL_VER_02 + RTL_VER_02, + RTL_VER_03, + RTL_VER_04, + RTL_VER_05, + RTL_VER_06, + RTL_VER_MAX +}; + +enum tx_csum_stat { + TX_CSUM_SUCCESS = 0, + TX_CSUM_TSO, + TX_CSUM_NONE }; /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast). * The RTL chips use a 64 element hash table based on the Ethernet CRC. */ static const int multicast_filter_limit = 32; +static unsigned int agg_buf_sz = 16384; + +#define RTL_LIMITED_TSO_SIZE (agg_buf_sz - sizeof(struct tx_desc) - \ + VLAN_ETH_HLEN - VLAN_HLEN) static int get_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) { - return usb_control_msg(tp->udev, usb_rcvctrlpipe(tp->udev, 0), - RTL8152_REQ_GET_REGS, RTL8152_REQT_READ, - value, index, data, size, 500); + int ret; + void *tmp; + + tmp = kmalloc(size, GFP_KERNEL); + if (!tmp) + return -ENOMEM; + + ret = usb_control_msg(tp->udev, usb_rcvctrlpipe(tp->udev, 0), + RTL8152_REQ_GET_REGS, RTL8152_REQT_READ, + value, index, tmp, size, 500); + + memcpy(data, tmp, size); + kfree(tmp); + + return ret; } static int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) { - return usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0), - RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE, - value, index, data, size, 500); + int ret; + void *tmp; + + tmp = kmemdup(data, size, GFP_KERNEL); + if (!tmp) + return -ENOMEM; + + ret = usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0), + RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE, + value, index, tmp, size, 500); + + kfree(tmp); + + return ret; } static int generic_ocp_read(struct r8152 *tp, u16 index, u16 size, - void *data, u16 type) + void *data, u16 type) { - u16 limit = 64; - int ret = 0; + u16 limit = 64; + int ret = 0; if (test_bit(RTL8152_UNPLUG, &tp->flags)) return -ENODEV; @@ -395,15 +729,18 @@ } } + if (ret == -ENODEV) + set_bit(RTL8152_UNPLUG, &tp->flags); + return ret; } static int generic_ocp_write(struct r8152 *tp, u16 index, u16 byteen, - u16 size, void *data, u16 type) + u16 size, void *data, u16 type) { - int ret; - u16 byteen_start, byteen_end, byen; - u16 limit = 512; + int ret; + u16 byteen_start, byteen_end, byen; + u16 limit = 512; if (test_bit(RTL8152_UNPLUG, &tp->flags)) return -ENODEV; @@ -433,8 +770,8 @@ while (size) { if (size > limit) { ret = set_registers(tp, index, - type | BYTE_EN_DWORD, - limit, data); + type | BYTE_EN_DWORD, + limit, data); if (ret < 0) goto error1; @@ -443,8 +780,8 @@ size -= limit; } else { ret = set_registers(tp, index, - type | BYTE_EN_DWORD, - size, data); + type | BYTE_EN_DWORD, + size, data); if (ret < 0) goto error1; @@ -462,6 +799,9 @@ } error1: + if (ret == -ENODEV) + set_bit(RTL8152_UNPLUG, &tp->flags); + return ret; } @@ -491,37 +831,31 @@ static u32 ocp_read_dword(struct r8152 *tp, u16 type, u16 index) { - u32 data; + __le32 data; - if (type == MCU_TYPE_PLA) - pla_ocp_read(tp, index, sizeof(data), &data); - else - usb_ocp_read(tp, index, sizeof(data), &data); + generic_ocp_read(tp, index, sizeof(data), &data, type); return __le32_to_cpu(data); } static void ocp_write_dword(struct r8152 *tp, u16 type, u16 index, u32 data) { - if (type == MCU_TYPE_PLA) - pla_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(data), &data); - else - usb_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(data), &data); + __le32 tmp = __cpu_to_le32(data); + + generic_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(tmp), &tmp, type); } static u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index) { u32 data; + __le32 tmp; u8 shift = index & 2; index &= ~3; - if (type == MCU_TYPE_PLA) - pla_ocp_read(tp, index, sizeof(data), &data); - else - usb_ocp_read(tp, index, sizeof(data), &data); + generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); - data = __le32_to_cpu(data); + data = __le32_to_cpu(tmp); data >>= (shift * 8); data &= 0xffff; @@ -530,7 +864,8 @@ static void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data) { - u32 tmp, mask = 0xffff; + u32 mask = 0xffff; + __le32 tmp; u16 byen = BYTE_EN_WORD; u8 shift = index & 2; @@ -543,34 +878,22 @@ index &= ~3; } - if (type == MCU_TYPE_PLA) - pla_ocp_read(tp, index, sizeof(tmp), &tmp); - else - usb_ocp_read(tp, index, sizeof(tmp), &tmp); - - tmp = __le32_to_cpu(tmp) & ~mask; - tmp |= data; - tmp = __cpu_to_le32(tmp); + tmp = __cpu_to_le32(data); - if (type == MCU_TYPE_PLA) - pla_ocp_write(tp, index, byen, sizeof(tmp), &tmp); - else - usb_ocp_write(tp, index, byen, sizeof(tmp), &tmp); + generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type); } static u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index) { u32 data; + __le32 tmp; u8 shift = index & 3; index &= ~3; - if (type == MCU_TYPE_PLA) - pla_ocp_read(tp, index, sizeof(data), &data); - else - usb_ocp_read(tp, index, sizeof(data), &data); + generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); - data = __le32_to_cpu(data); + data = __le32_to_cpu(tmp); data >>= (shift * 8); data &= 0xff; @@ -579,7 +902,8 @@ static void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data) { - u32 tmp, mask = 0xff; + u32 mask = 0xff; + __le32 tmp; u16 byen = BYTE_EN_BYTE; u8 shift = index & 3; @@ -592,70 +916,69 @@ index &= ~3; } - if (type == MCU_TYPE_PLA) - pla_ocp_read(tp, index, sizeof(tmp), &tmp); - else - usb_ocp_read(tp, index, sizeof(tmp), &tmp); - - tmp = __le32_to_cpu(tmp) & ~mask; - tmp |= data; - tmp = __cpu_to_le32(tmp); + tmp = __cpu_to_le32(data); - if (type == MCU_TYPE_PLA) - pla_ocp_write(tp, index, byen, sizeof(tmp), &tmp); - else - usb_ocp_write(tp, index, byen, sizeof(tmp), &tmp); + generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type); } -static void r8152_mdio_write(struct r8152 *tp, u32 reg_addr, u32 value) +static u16 ocp_reg_read(struct r8152 *tp, u16 addr) { - u32 ocp_data; - int i; - - ocp_data = PHYAR_FLAG | ((reg_addr & 0x1f) << 16) | - (value & 0xffff); - - ocp_write_dword(tp, MCU_TYPE_PLA, PLA_PHYAR, ocp_data); + u16 ocp_base, ocp_index; - for (i = 20; i > 0; i--) { - udelay(25); - ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_PHYAR); - if (!(ocp_data & PHYAR_FLAG)) - break; + ocp_base = addr & 0xf000; + if (ocp_base != tp->ocp_base) { + ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base); + tp->ocp_base = ocp_base; } - udelay(20); + + ocp_index = (addr & 0x0fff) | 0xb000; + return ocp_read_word(tp, MCU_TYPE_PLA, ocp_index); } -static int r8152_mdio_read(struct r8152 *tp, u32 reg_addr) +static void ocp_reg_write(struct r8152 *tp, u16 addr, u16 data) { - u32 ocp_data; - int i; - - ocp_data = (reg_addr & 0x1f) << 16; - ocp_write_dword(tp, MCU_TYPE_PLA, PLA_PHYAR, ocp_data); + u16 ocp_base, ocp_index; - for (i = 20; i > 0; i--) { - udelay(25); - ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_PHYAR); - if (ocp_data & PHYAR_FLAG) - break; + ocp_base = addr & 0xf000; + if (ocp_base != tp->ocp_base) { + ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base); + tp->ocp_base = ocp_base; } - udelay(20); - if (!(ocp_data & PHYAR_FLAG)) - return -EAGAIN; + ocp_index = (addr & 0x0fff) | 0xb000; + ocp_write_word(tp, MCU_TYPE_PLA, ocp_index, data); +} + +static inline void r8152_mdio_write(struct r8152 *tp, u32 reg_addr, u32 value) +{ + ocp_reg_write(tp, OCP_BASE_MII + reg_addr * 2, value); +} + +static inline int r8152_mdio_read(struct r8152 *tp, u32 reg_addr) +{ + return ocp_reg_read(tp, OCP_BASE_MII + reg_addr * 2); +} - return (u16)(ocp_data & 0xffff); +static void sram_write(struct r8152 *tp, u16 addr, u16 data) +{ + ocp_reg_write(tp, OCP_SRAM_ADDR, addr); + ocp_reg_write(tp, OCP_SRAM_DATA, data); } static int read_mii_word(struct net_device *netdev, int phy_id, int reg) { struct r8152 *tp = netdev_priv(netdev); + int ret; + + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return -ENODEV; if (phy_id != R8152_PHY_ID) return -EINVAL; - return r8152_mdio_read(tp, reg); + ret = r8152_mdio_read(tp, reg); + + return ret; } static @@ -663,53 +986,32 @@ { struct r8152 *tp = netdev_priv(netdev); + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return; + if (phy_id != R8152_PHY_ID) return; r8152_mdio_write(tp, reg, val); } -static void ocp_reg_write(struct r8152 *tp, u16 addr, u16 data) -{ - u16 ocp_base, ocp_index; - - ocp_base = addr & 0xf000; - if (ocp_base != tp->ocp_base) { - ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base); - tp->ocp_base = ocp_base; - } - - ocp_index = (addr & 0x0fff) | 0xb000; - ocp_write_word(tp, MCU_TYPE_PLA, ocp_index, data); -} - -static inline void set_ethernet_addr(struct r8152 *tp) -{ - struct net_device *dev = tp->netdev; - u8 *node_id; - - node_id = kmalloc(sizeof(u8) * 8, GFP_KERNEL); - if (!node_id) { - netif_err(tp, probe, dev, "out of memory"); - return; - } - - if (pla_ocp_read(tp, PLA_IDR, sizeof(u8) * 8, node_id) < 0) - netif_notice(tp, probe, dev, "inet addr fail\n"); - else { - memcpy(dev->dev_addr, node_id, dev->addr_len); - memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); - } - kfree(node_id); -} +static int +r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags); static int rtl8152_set_mac_address(struct net_device *netdev, void *p) { struct r8152 *tp = netdev_priv(netdev); struct sockaddr *addr = p; + int ret = -EADDRNOTAVAIL; if (!is_valid_ether_addr(addr->sa_data)) - return -EADDRNOTAVAIL; + goto out1; + + ret = usb_autopm_get_interface(tp->intf); + if (ret < 0) + goto out1; + + mutex_lock(&tp->control); memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); @@ -717,181 +1019,925 @@ pla_ocp_write(tp, PLA_IDR, BYTE_EN_SIX_BYTES, 8, addr->sa_data); ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); - return 0; + mutex_unlock(&tp->control); + + usb_autopm_put_interface(tp->intf); +out1: + return ret; } -static int alloc_all_urbs(struct r8152 *tp) +static int set_ethernet_addr(struct r8152 *tp) { - tp->rx_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!tp->rx_urb) - return 0; - tp->tx_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!tp->tx_urb) { - usb_free_urb(tp->rx_urb); - return 0; - } + struct net_device *dev = tp->netdev; + struct sockaddr sa; + int ret; - return 1; -} + if (tp->version == RTL_VER_01) + ret = pla_ocp_read(tp, PLA_IDR, 8, sa.sa_data); + else + ret = pla_ocp_read(tp, PLA_BACKUP, 8, sa.sa_data); -static void free_all_urbs(struct r8152 *tp) -{ - usb_free_urb(tp->rx_urb); - usb_free_urb(tp->tx_urb); -} + if (ret < 0) { + netif_err(tp, probe, dev, "Get ether addr fail\n"); + } else if (!is_valid_ether_addr(sa.sa_data)) { + netif_err(tp, probe, dev, "Invalid ether addr %pM\n", + sa.sa_data); + eth_hw_addr_random(dev); + ether_addr_copy(sa.sa_data, dev->dev_addr); + ret = rtl8152_set_mac_address(dev, &sa); + netif_info(tp, probe, dev, "Random ether addr %pM\n", + sa.sa_data); + } else { + if (tp->version == RTL_VER_01) + ether_addr_copy(dev->dev_addr, sa.sa_data); + else + ret = rtl8152_set_mac_address(dev, &sa); + } -static struct net_device_stats *rtl8152_get_stats(struct net_device *dev) -{ - return &dev->stats; + return ret; } static void read_bulk_callback(struct urb *urb) { - struct r8152 *tp; - unsigned pkt_len; - struct sk_buff *skb; struct net_device *netdev; - struct net_device_stats *stats; int status = urb->status; - int result; - struct rx_desc *rx_desc; + struct rx_agg *agg; + struct r8152 *tp; - tp = urb->context; + agg = urb->context; + if (!agg) + return; + + tp = agg->context; if (!tp) return; + if (test_bit(RTL8152_UNPLUG, &tp->flags)) return; + + if (!test_bit(WORK_ENABLE, &tp->flags)) + return; + netdev = tp->netdev; - if (!netif_device_present(netdev)) + + /* When link down, the driver would cancel all bulks. */ + /* This avoid the re-submitting bulk */ + if (!netif_carrier_ok(netdev)) return; - stats = rtl8152_get_stats(netdev); + usb_mark_last_busy(tp->udev); + switch (status) { case 0: - break; + if (urb->actual_length < ETH_ZLEN) + break; + + spin_lock(&tp->rx_lock); + list_add_tail(&agg->list, &tp->rx_done); + spin_unlock(&tp->rx_lock); + napi_schedule(&tp->napi); + return; case -ESHUTDOWN: set_bit(RTL8152_UNPLUG, &tp->flags); netif_device_detach(tp->netdev); + return; case -ENOENT: return; /* the urb is in unlink state */ case -ETIME: - pr_warn_ratelimited("may be reset is needed?..\n"); - goto goon; + if (net_ratelimit()) + netdev_warn(netdev, "maybe reset is needed?\n"); + break; default: - pr_warn_ratelimited("Rx status %d\n", status); - goto goon; + if (net_ratelimit()) + netdev_warn(netdev, "Rx status %d\n", status); + break; } - /* protect against short packets (tell me why we got some?!?) */ - if (urb->actual_length < sizeof(*rx_desc)) - goto goon; - - - rx_desc = (struct rx_desc *)urb->transfer_buffer; - pkt_len = le32_to_cpu(rx_desc->opts1) & RX_LEN_MASK; - if (urb->actual_length < sizeof(struct rx_desc) + pkt_len) - goto goon; - - skb = netdev_alloc_skb_ip_align(netdev, pkt_len); - if (!skb) - goto goon; - - memcpy(skb->data, tp->rx_skb->data + sizeof(struct rx_desc), pkt_len); - skb_put(skb, pkt_len); - skb->protocol = eth_type_trans(skb, netdev); - netif_rx(skb); - stats->rx_packets++; - stats->rx_bytes += pkt_len; -goon: - usb_fill_bulk_urb(tp->rx_urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1), - tp->rx_skb->data, RTL8152_RMS + sizeof(struct rx_desc), - (usb_complete_t)read_bulk_callback, tp); - result = usb_submit_urb(tp->rx_urb, GFP_ATOMIC); - if (result == -ENODEV) { - netif_device_detach(tp->netdev); - } else if (result) { - set_bit(RX_URB_FAIL, &tp->flags); - goto resched; + r8152_submit_rx(tp, agg, GFP_ATOMIC); +} + +static void write_bulk_callback(struct urb *urb) +{ + struct net_device_stats *stats; + struct net_device *netdev; + struct tx_agg *agg; + struct r8152 *tp; + int status = urb->status; + + agg = urb->context; + if (!agg) + return; + + tp = agg->context; + if (!tp) + return; + + netdev = tp->netdev; + stats = &netdev->stats; + if (status) { + if (net_ratelimit()) + netdev_warn(netdev, "Tx status %d\n", status); + stats->tx_errors += agg->skb_num; } else { - clear_bit(RX_URB_FAIL, &tp->flags); + stats->tx_packets += agg->skb_num; + stats->tx_bytes += agg->skb_len; } - return; -resched: - tasklet_schedule(&tp->tl); + spin_lock(&tp->tx_lock); + list_add_tail(&agg->list, &tp->tx_free); + spin_unlock(&tp->tx_lock); + + usb_autopm_put_interface_async(tp->intf); + + if (!netif_carrier_ok(netdev)) + return; + + if (!test_bit(WORK_ENABLE, &tp->flags)) + return; + + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return; + + if (!skb_queue_empty(&tp->tx_queue)) + napi_schedule(&tp->napi); } -static void rx_fixup(unsigned long data) +static void intr_callback(struct urb *urb) { struct r8152 *tp; - int status; + __le16 *d; + int status = urb->status; + int res; + + tp = urb->context; + if (!tp) + return; - tp = (struct r8152 *)data; if (!test_bit(WORK_ENABLE, &tp->flags)) return; - status = usb_submit_urb(tp->rx_urb, GFP_ATOMIC); - if (status == -ENODEV) { + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return; + + switch (status) { + case 0: /* success */ + break; + case -ECONNRESET: /* unlink */ + case -ESHUTDOWN: netif_device_detach(tp->netdev); - } else if (status) { - set_bit(RX_URB_FAIL, &tp->flags); - goto tlsched; + case -ENOENT: + case -EPROTO: + netif_info(tp, intr, tp->netdev, + "Stop submitting intr, status %d\n", status); + return; + case -EOVERFLOW: + netif_info(tp, intr, tp->netdev, "intr status -EOVERFLOW\n"); + goto resubmit; + /* -EPIPE: should clear the halt */ + default: + netif_info(tp, intr, tp->netdev, "intr status %d\n", status); + goto resubmit; + } + + d = urb->transfer_buffer; + if (INTR_LINK & __le16_to_cpu(d[0])) { + if (!netif_carrier_ok(tp->netdev)) { + set_bit(RTL8152_LINK_CHG, &tp->flags); + schedule_delayed_work(&tp->schedule, 0); + } } else { - clear_bit(RX_URB_FAIL, &tp->flags); + if (netif_carrier_ok(tp->netdev)) { + set_bit(RTL8152_LINK_CHG, &tp->flags); + schedule_delayed_work(&tp->schedule, 0); + } } - return; -tlsched: - tasklet_schedule(&tp->tl); +resubmit: + res = usb_submit_urb(urb, GFP_ATOMIC); + if (res == -ENODEV) { + set_bit(RTL8152_UNPLUG, &tp->flags); + netif_device_detach(tp->netdev); + } else if (res) { + netif_err(tp, intr, tp->netdev, + "can't resubmit intr, status %d\n", res); + } } -static void write_bulk_callback(struct urb *urb) +static inline void *rx_agg_align(void *data) { - struct r8152 *tp; - int status = urb->status; + return (void *)ALIGN((uintptr_t)data, RX_ALIGN); +} - tp = urb->context; - if (!tp) +static inline void *tx_agg_align(void *data) +{ + return (void *)ALIGN((uintptr_t)data, TX_ALIGN); +} + +static void free_all_mem(struct r8152 *tp) +{ + int i; + + for (i = 0; i < RTL8152_MAX_RX; i++) { + usb_free_urb(tp->rx_info[i].urb); + tp->rx_info[i].urb = NULL; + + kfree(tp->rx_info[i].buffer); + tp->rx_info[i].buffer = NULL; + tp->rx_info[i].head = NULL; + } + + for (i = 0; i < RTL8152_MAX_TX; i++) { + usb_free_urb(tp->tx_info[i].urb); + tp->tx_info[i].urb = NULL; + + kfree(tp->tx_info[i].buffer); + tp->tx_info[i].buffer = NULL; + tp->tx_info[i].head = NULL; + } + + usb_free_urb(tp->intr_urb); + tp->intr_urb = NULL; + + kfree(tp->intr_buff); + tp->intr_buff = NULL; +} + +static int alloc_all_mem(struct r8152 *tp) +{ + struct net_device *netdev = tp->netdev; + struct usb_interface *intf = tp->intf; + struct usb_host_interface *alt = intf->cur_altsetting; + struct usb_host_endpoint *ep_intr = alt->endpoint + 2; + struct urb *urb; + int node, i; + u8 *buf; + + node = netdev->dev.parent ? dev_to_node(netdev->dev.parent) : -1; + + spin_lock_init(&tp->rx_lock); + spin_lock_init(&tp->tx_lock); + INIT_LIST_HEAD(&tp->tx_free); + skb_queue_head_init(&tp->tx_queue); + skb_queue_head_init(&tp->rx_queue); + + for (i = 0; i < RTL8152_MAX_RX; i++) { + buf = kmalloc_node(agg_buf_sz, GFP_KERNEL, node); + if (!buf) + goto err1; + + if (buf != rx_agg_align(buf)) { + kfree(buf); + buf = kmalloc_node(agg_buf_sz + RX_ALIGN, GFP_KERNEL, + node); + if (!buf) + goto err1; + } + + urb = usb_alloc_urb(0, GFP_KERNEL); + if (!urb) { + kfree(buf); + goto err1; + } + + INIT_LIST_HEAD(&tp->rx_info[i].list); + tp->rx_info[i].context = tp; + tp->rx_info[i].urb = urb; + tp->rx_info[i].buffer = buf; + tp->rx_info[i].head = rx_agg_align(buf); + } + + for (i = 0; i < RTL8152_MAX_TX; i++) { + buf = kmalloc_node(agg_buf_sz, GFP_KERNEL, node); + if (!buf) + goto err1; + + if (buf != tx_agg_align(buf)) { + kfree(buf); + buf = kmalloc_node(agg_buf_sz + TX_ALIGN, GFP_KERNEL, + node); + if (!buf) + goto err1; + } + + urb = usb_alloc_urb(0, GFP_KERNEL); + if (!urb) { + kfree(buf); + goto err1; + } + + INIT_LIST_HEAD(&tp->tx_info[i].list); + tp->tx_info[i].context = tp; + tp->tx_info[i].urb = urb; + tp->tx_info[i].buffer = buf; + tp->tx_info[i].head = tx_agg_align(buf); + + list_add_tail(&tp->tx_info[i].list, &tp->tx_free); + } + + tp->intr_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!tp->intr_urb) + goto err1; + + tp->intr_buff = kmalloc(INTBUFSIZE, GFP_KERNEL); + if (!tp->intr_buff) + goto err1; + + tp->intr_interval = (int)ep_intr->desc.bInterval; + usb_fill_int_urb(tp->intr_urb, tp->udev, usb_rcvintpipe(tp->udev, 3), + tp->intr_buff, INTBUFSIZE, intr_callback, + tp, tp->intr_interval); + + return 0; + +err1: + free_all_mem(tp); + return -ENOMEM; +} + +static struct tx_agg *r8152_get_tx_agg(struct r8152 *tp) +{ + struct tx_agg *agg = NULL; + unsigned long flags; + + if (list_empty(&tp->tx_free)) + return NULL; + + spin_lock_irqsave(&tp->tx_lock, flags); + if (!list_empty(&tp->tx_free)) { + struct list_head *cursor; + + cursor = tp->tx_free.next; + list_del_init(cursor); + agg = list_entry(cursor, struct tx_agg, list); + } + spin_unlock_irqrestore(&tp->tx_lock, flags); + + return agg; +} + +/* r8152_csum_workaround() + * The hw limites the value the transport offset. When the offset is out of the + * range, calculate the checksum by sw. + */ +static void r8152_csum_workaround(struct r8152 *tp, struct sk_buff *skb, + struct sk_buff_head *list) +{ + if (skb_shinfo(skb)->gso_size) { + netdev_features_t features = tp->netdev->features; + struct sk_buff_head seg_list; + struct sk_buff *segs, *nskb; + + features &= ~(NETIF_F_SG | NETIF_F_IPV6_CSUM | NETIF_F_TSO6); + segs = skb_gso_segment(skb, features); + if (IS_ERR(segs) || !segs) + goto drop; + + __skb_queue_head_init(&seg_list); + + do { + nskb = segs; + segs = segs->next; + nskb->next = NULL; + __skb_queue_tail(&seg_list, nskb); + } while (segs); + + skb_queue_splice(&seg_list, list); + dev_kfree_skb(skb); + } else if (skb->ip_summed == CHECKSUM_PARTIAL) { + if (skb_checksum_help(skb) < 0) + goto drop; + + __skb_queue_head(list, skb); + } else { + struct net_device_stats *stats; + +drop: + stats = &tp->netdev->stats; + stats->tx_dropped++; + dev_kfree_skb(skb); + } +} + +/* msdn_giant_send_check() + * According to the document of microsoft, the TCP Pseudo Header excludes the + * packet length for IPv6 TCP large packets. + */ +static int msdn_giant_send_check(struct sk_buff *skb) +{ + const struct ipv6hdr *ipv6h; + struct tcphdr *th; + int ret; + + ret = skb_cow_head(skb, 0); + if (ret) + return ret; + + ipv6h = ipv6_hdr(skb); + th = tcp_hdr(skb); + + th->check = 0; + th->check = ~tcp_v6_check(0, &ipv6h->saddr, &ipv6h->daddr, 0); + + return ret; +} + +static inline void rtl_tx_vlan_tag(struct tx_desc *desc, struct sk_buff *skb) +{ + if (skb_vlan_tag_present(skb)) { + u32 opts2; + + opts2 = TX_VLAN_TAG | swab16(skb_vlan_tag_get(skb)); + desc->opts2 |= cpu_to_le32(opts2); + } +} + +static inline void rtl_rx_vlan_tag(struct rx_desc *desc, struct sk_buff *skb) +{ + u32 opts2 = le32_to_cpu(desc->opts2); + + if (opts2 & RX_VLAN_TAG) + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), + swab16(opts2 & 0xffff)); +} + +static int r8152_tx_csum(struct r8152 *tp, struct tx_desc *desc, + struct sk_buff *skb, u32 len, u32 transport_offset) +{ + u32 mss = skb_shinfo(skb)->gso_size; + u32 opts1, opts2 = 0; + int ret = TX_CSUM_SUCCESS; + + WARN_ON_ONCE(len > TX_LEN_MAX); + + opts1 = len | TX_FS | TX_LS; + + if (mss) { + if (transport_offset > GTTCPHO_MAX) { + netif_warn(tp, tx_err, tp->netdev, + "Invalid transport offset 0x%x for TSO\n", + transport_offset); + ret = TX_CSUM_TSO; + goto unavailable; + } + + switch (vlan_get_protocol(skb)) { + case htons(ETH_P_IP): + opts1 |= GTSENDV4; + break; + + case htons(ETH_P_IPV6): + if (msdn_giant_send_check(skb)) { + ret = TX_CSUM_TSO; + goto unavailable; + } + opts1 |= GTSENDV6; + break; + + default: + WARN_ON_ONCE(1); + break; + } + + opts1 |= transport_offset << GTTCPHO_SHIFT; + opts2 |= min(mss, MSS_MAX) << MSS_SHIFT; + } else if (skb->ip_summed == CHECKSUM_PARTIAL) { + u8 ip_protocol; + + if (transport_offset > TCPHO_MAX) { + netif_warn(tp, tx_err, tp->netdev, + "Invalid transport offset 0x%x\n", + transport_offset); + ret = TX_CSUM_NONE; + goto unavailable; + } + + switch (vlan_get_protocol(skb)) { + case htons(ETH_P_IP): + opts2 |= IPV4_CS; + ip_protocol = ip_hdr(skb)->protocol; + break; + + case htons(ETH_P_IPV6): + opts2 |= IPV6_CS; + ip_protocol = ipv6_hdr(skb)->nexthdr; + break; + + default: + ip_protocol = IPPROTO_RAW; + break; + } + + if (ip_protocol == IPPROTO_TCP) + opts2 |= TCP_CS; + else if (ip_protocol == IPPROTO_UDP) + opts2 |= UDP_CS; + else + WARN_ON_ONCE(1); + + opts2 |= transport_offset << TCPHO_SHIFT; + } + + desc->opts2 = cpu_to_le32(opts2); + desc->opts1 = cpu_to_le32(opts1); + +unavailable: + return ret; +} + +static int r8152_tx_agg_fill(struct r8152 *tp, struct tx_agg *agg) +{ + struct sk_buff_head skb_head, *tx_queue = &tp->tx_queue; + int remain, ret; + u8 *tx_data; + + __skb_queue_head_init(&skb_head); + spin_lock(&tx_queue->lock); + skb_queue_splice_init(tx_queue, &skb_head); + spin_unlock(&tx_queue->lock); + + tx_data = agg->head; + agg->skb_num = 0; + agg->skb_len = 0; + remain = agg_buf_sz; + + while (remain >= ETH_ZLEN + sizeof(struct tx_desc)) { + struct tx_desc *tx_desc; + struct sk_buff *skb; + unsigned int len; + u32 offset; + + skb = __skb_dequeue(&skb_head); + if (!skb) + break; + + len = skb->len + sizeof(*tx_desc); + + if (len > remain) { + __skb_queue_head(&skb_head, skb); + break; + } + + tx_data = tx_agg_align(tx_data); + tx_desc = (struct tx_desc *)tx_data; + + offset = (u32)skb_transport_offset(skb); + + if (r8152_tx_csum(tp, tx_desc, skb, skb->len, offset)) { + r8152_csum_workaround(tp, skb, &skb_head); + continue; + } + + rtl_tx_vlan_tag(tx_desc, skb); + + tx_data += sizeof(*tx_desc); + + len = skb->len; + if (skb_copy_bits(skb, 0, tx_data, len) < 0) { + struct net_device_stats *stats = &tp->netdev->stats; + + stats->tx_dropped++; + dev_kfree_skb_any(skb); + tx_data -= sizeof(*tx_desc); + continue; + } + + tx_data += len; + agg->skb_len += len; + agg->skb_num++; + + dev_kfree_skb_any(skb); + + remain = agg_buf_sz - (int)(tx_agg_align(tx_data) - agg->head); + } + + if (!skb_queue_empty(&skb_head)) { + spin_lock(&tx_queue->lock); + skb_queue_splice(&skb_head, tx_queue); + spin_unlock(&tx_queue->lock); + } + + netif_tx_lock(tp->netdev); + + if (netif_queue_stopped(tp->netdev) && + skb_queue_len(&tp->tx_queue) < tp->tx_qlen) + netif_wake_queue(tp->netdev); + + netif_tx_unlock(tp->netdev); + + ret = usb_autopm_get_interface_async(tp->intf); + if (ret < 0) + goto out_tx_fill; + + usb_fill_bulk_urb(agg->urb, tp->udev, usb_sndbulkpipe(tp->udev, 2), + agg->head, (int)(tx_data - (u8 *)agg->head), + (usb_complete_t)write_bulk_callback, agg); + + ret = usb_submit_urb(agg->urb, GFP_ATOMIC); + if (ret < 0) + usb_autopm_put_interface_async(tp->intf); + +out_tx_fill: + return ret; +} + +static u8 r8152_rx_csum(struct r8152 *tp, struct rx_desc *rx_desc) +{ + u8 checksum = CHECKSUM_NONE; + u32 opts2, opts3; + + if (!(tp->netdev->features & NETIF_F_RXCSUM)) + goto return_result; + + opts2 = le32_to_cpu(rx_desc->opts2); + opts3 = le32_to_cpu(rx_desc->opts3); + + if (opts2 & RD_IPV4_CS) { + if (opts3 & IPF) + checksum = CHECKSUM_NONE; + else if ((opts2 & RD_UDP_CS) && (opts3 & UDPF)) + checksum = CHECKSUM_NONE; + else if ((opts2 & RD_TCP_CS) && (opts3 & TCPF)) + checksum = CHECKSUM_NONE; + else + checksum = CHECKSUM_UNNECESSARY; + } else if (RD_IPV6_CS) { + if ((opts2 & RD_UDP_CS) && !(opts3 & UDPF)) + checksum = CHECKSUM_UNNECESSARY; + else if ((opts2 & RD_TCP_CS) && !(opts3 & TCPF)) + checksum = CHECKSUM_UNNECESSARY; + } + +return_result: + return checksum; +} + +static int rx_bottom(struct r8152 *tp, int budget) +{ + unsigned long flags; + struct list_head *cursor, *next, rx_queue; + int ret = 0, work_done = 0; + + if (!skb_queue_empty(&tp->rx_queue)) { + while (work_done < budget) { + struct sk_buff *skb = __skb_dequeue(&tp->rx_queue); + struct net_device *netdev = tp->netdev; + struct net_device_stats *stats = &netdev->stats; + unsigned int pkt_len; + + if (!skb) + break; + + pkt_len = skb->len; + napi_gro_receive(&tp->napi, skb); + work_done++; + stats->rx_packets++; + stats->rx_bytes += pkt_len; + } + } + + if (list_empty(&tp->rx_done)) + goto out1; + + INIT_LIST_HEAD(&rx_queue); + spin_lock_irqsave(&tp->rx_lock, flags); + list_splice_init(&tp->rx_done, &rx_queue); + spin_unlock_irqrestore(&tp->rx_lock, flags); + + list_for_each_safe(cursor, next, &rx_queue) { + struct rx_desc *rx_desc; + struct rx_agg *agg; + int len_used = 0; + struct urb *urb; + u8 *rx_data; + + list_del_init(cursor); + + agg = list_entry(cursor, struct rx_agg, list); + urb = agg->urb; + if (urb->actual_length < ETH_ZLEN) + goto submit; + + rx_desc = agg->head; + rx_data = agg->head; + len_used += sizeof(struct rx_desc); + + while (urb->actual_length > len_used) { + struct net_device *netdev = tp->netdev; + struct net_device_stats *stats = &netdev->stats; + unsigned int pkt_len; + struct sk_buff *skb; + + pkt_len = le32_to_cpu(rx_desc->opts1) & RX_LEN_MASK; + if (pkt_len < ETH_ZLEN) + break; + + len_used += pkt_len; + if (urb->actual_length < len_used) + break; + + pkt_len -= CRC_SIZE; + rx_data += sizeof(struct rx_desc); + + skb = netdev_alloc_skb_ip_align(netdev, pkt_len); + if (!skb) { + stats->rx_dropped++; + goto find_next_rx; + } + + skb->ip_summed = r8152_rx_csum(tp, rx_desc); + memcpy(skb->data, rx_data, pkt_len); + skb_put(skb, pkt_len); + skb->protocol = eth_type_trans(skb, netdev); + rtl_rx_vlan_tag(rx_desc, skb); + if (work_done < budget) { + napi_gro_receive(&tp->napi, skb); + work_done++; + stats->rx_packets++; + stats->rx_bytes += pkt_len; + } else { + __skb_queue_tail(&tp->rx_queue, skb); + } + +find_next_rx: + rx_data = rx_agg_align(rx_data + pkt_len + CRC_SIZE); + rx_desc = (struct rx_desc *)rx_data; + len_used = (int)(rx_data - (u8 *)agg->head); + len_used += sizeof(struct rx_desc); + } + +submit: + if (!ret) { + ret = r8152_submit_rx(tp, agg, GFP_ATOMIC); + } else { + urb->actual_length = 0; + list_add_tail(&agg->list, next); + } + } + + if (!list_empty(&rx_queue)) { + spin_lock_irqsave(&tp->rx_lock, flags); + list_splice_tail(&rx_queue, &tp->rx_done); + spin_unlock_irqrestore(&tp->rx_lock, flags); + } + +out1: + return work_done; +} + +static void tx_bottom(struct r8152 *tp) +{ + int res; + + do { + struct tx_agg *agg; + + if (skb_queue_empty(&tp->tx_queue)) + break; + + agg = r8152_get_tx_agg(tp); + if (!agg) + break; + + res = r8152_tx_agg_fill(tp, agg); + if (res) { + struct net_device *netdev = tp->netdev; + + if (res == -ENODEV) { + set_bit(RTL8152_UNPLUG, &tp->flags); + netif_device_detach(netdev); + } else { + struct net_device_stats *stats = &netdev->stats; + unsigned long flags; + + netif_warn(tp, tx_err, netdev, + "failed tx_urb %d\n", res); + stats->tx_dropped += agg->skb_num; + + spin_lock_irqsave(&tp->tx_lock, flags); + list_add_tail(&agg->list, &tp->tx_free); + spin_unlock_irqrestore(&tp->tx_lock, flags); + } + } + } while (res == 0); +} + +static void bottom_half(struct r8152 *tp) +{ + if (test_bit(RTL8152_UNPLUG, &tp->flags)) return; - dev_kfree_skb_irq(tp->tx_skb); - if (!netif_device_present(tp->netdev)) + + if (!test_bit(WORK_ENABLE, &tp->flags)) + return; + + /* When link down, the driver would cancel all bulks. */ + /* This avoid the re-submitting bulk */ + if (!netif_carrier_ok(tp->netdev)) return; - if (status) - dev_info(&urb->dev->dev, "%s: Tx status %d\n", - tp->netdev->name, status); - tp->netdev->trans_start = jiffies; - netif_wake_queue(tp->netdev); + + clear_bit(SCHEDULE_NAPI, &tp->flags); + + tx_bottom(tp); +} + +static int r8152_poll(struct napi_struct *napi, int budget) +{ + struct r8152 *tp = container_of(napi, struct r8152, napi); + int work_done; + + work_done = rx_bottom(tp, budget); + bottom_half(tp); + + if (work_done < budget) { + napi_complete(napi); + if (!list_empty(&tp->rx_done)) + napi_schedule(napi); + } + + return work_done; +} + +static +int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags) +{ + int ret; + + /* The rx would be stopped, so skip submitting */ + if (test_bit(RTL8152_UNPLUG, &tp->flags) || + !test_bit(WORK_ENABLE, &tp->flags) || !netif_carrier_ok(tp->netdev)) + return 0; + + usb_fill_bulk_urb(agg->urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1), + agg->head, agg_buf_sz, + (usb_complete_t)read_bulk_callback, agg); + + ret = usb_submit_urb(agg->urb, mem_flags); + if (ret == -ENODEV) { + set_bit(RTL8152_UNPLUG, &tp->flags); + netif_device_detach(tp->netdev); + } else if (ret) { + struct urb *urb = agg->urb; + unsigned long flags; + + urb->actual_length = 0; + spin_lock_irqsave(&tp->rx_lock, flags); + list_add_tail(&agg->list, &tp->rx_done); + spin_unlock_irqrestore(&tp->rx_lock, flags); + + netif_err(tp, rx_err, tp->netdev, + "Couldn't submit rx[%p], ret = %d\n", agg, ret); + + napi_schedule(&tp->napi); + } + + return ret; +} + +static void rtl_drop_queued_tx(struct r8152 *tp) +{ + struct net_device_stats *stats = &tp->netdev->stats; + struct sk_buff_head skb_head, *tx_queue = &tp->tx_queue; + struct sk_buff *skb; + + if (skb_queue_empty(tx_queue)) + return; + + __skb_queue_head_init(&skb_head); + spin_lock_bh(&tx_queue->lock); + skb_queue_splice_init(tx_queue, &skb_head); + spin_unlock_bh(&tx_queue->lock); + + while ((skb = __skb_dequeue(&skb_head))) { + dev_kfree_skb(skb); + stats->tx_dropped++; + } } static void rtl8152_tx_timeout(struct net_device *netdev) { struct r8152 *tp = netdev_priv(netdev); - struct net_device_stats *stats = rtl8152_get_stats(netdev); - netif_warn(tp, tx_err, netdev, "Tx timeout.\n"); - usb_unlink_urb(tp->tx_urb); - stats->tx_errors++; + + netif_warn(tp, tx_err, netdev, "Tx timeout\n"); + + usb_queue_reset_device(tp->intf); } static void rtl8152_set_rx_mode(struct net_device *netdev) { struct r8152 *tp = netdev_priv(netdev); - if (tp->speed & LINK_STATUS) + if (netif_carrier_ok(netdev)) { set_bit(RTL8152_SET_RX_MODE, &tp->flags); + schedule_delayed_work(&tp->schedule, 0); + } } static void _rtl8152_set_rx_mode(struct net_device *netdev) { struct r8152 *tp = netdev_priv(netdev); - u32 tmp, *mc_filter; /* Multicast hash filter */ + u32 mc_filter[2]; /* Multicast hash filter */ + __le32 tmp[2]; u32 ocp_data; - mc_filter = kmalloc(sizeof(u32) * 2, GFP_KERNEL); - if (!mc_filter) { - netif_err(tp, link, netdev, "out of memory"); - return; - } - clear_bit(RTL8152_SET_RX_MODE, &tp->flags); netif_stop_queue(netdev); ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); @@ -902,77 +1948,70 @@ /* Unconditionally log net taps. */ netif_notice(tp, link, netdev, "Promiscuous mode enabled\n"); ocp_data |= RCR_AM | RCR_AAP; - mc_filter[1] = mc_filter[0] = 0xffffffff; + mc_filter[1] = 0xffffffff; + mc_filter[0] = 0xffffffff; } else if ((netdev_mc_count(netdev) > multicast_filter_limit) || (netdev->flags & IFF_ALLMULTI)) { /* Too many to filter perfectly -- accept all multicasts. */ ocp_data |= RCR_AM; - mc_filter[1] = mc_filter[0] = 0xffffffff; + mc_filter[1] = 0xffffffff; + mc_filter[0] = 0xffffffff; } else { struct netdev_hw_addr *ha; - mc_filter[1] = mc_filter[0] = 0; + mc_filter[1] = 0; + mc_filter[0] = 0; netdev_for_each_mc_addr(ha, netdev) { int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26; + mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); ocp_data |= RCR_AM; } } - tmp = mc_filter[0]; - mc_filter[0] = __cpu_to_le32(swab32(mc_filter[1])); - mc_filter[1] = __cpu_to_le32(swab32(tmp)); + tmp[0] = __cpu_to_le32(swab32(mc_filter[1])); + tmp[1] = __cpu_to_le32(swab32(mc_filter[0])); - pla_ocp_write(tp, PLA_MAR, BYTE_EN_DWORD, sizeof(u32) * 2, mc_filter); + pla_ocp_write(tp, PLA_MAR, BYTE_EN_DWORD, sizeof(tmp), tmp); ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); netif_wake_queue(netdev); - kfree(mc_filter); +} + +static netdev_features_t +rtl8152_features_check(struct sk_buff *skb, struct net_device *dev, + netdev_features_t features) +{ + u32 mss = skb_shinfo(skb)->gso_size; + int max_offset = mss ? GTTCPHO_MAX : TCPHO_MAX; + int offset = skb_transport_offset(skb); + + if ((mss || skb->ip_summed == CHECKSUM_PARTIAL) && offset > max_offset) + features &= ~(NETIF_F_ALL_CSUM | NETIF_F_GSO_MASK); + else if ((skb->len + sizeof(struct tx_desc)) > agg_buf_sz) + features &= ~NETIF_F_GSO_MASK; + + return features; } static netdev_tx_t rtl8152_start_xmit(struct sk_buff *skb, - struct net_device *netdev) + struct net_device *netdev) { struct r8152 *tp = netdev_priv(netdev); - struct net_device_stats *stats = rtl8152_get_stats(netdev); - struct tx_desc *tx_desc; - int len, res; - - netif_stop_queue(netdev); - len = skb->len; - if (skb_header_cloned(skb) || skb_headroom(skb) < sizeof(*tx_desc)) { - struct sk_buff *tx_skb; - tx_skb = skb_copy_expand(skb, sizeof(*tx_desc), 0, GFP_ATOMIC); - dev_kfree_skb_any(skb); - if (!tx_skb) { - stats->tx_dropped++; - netif_wake_queue(netdev); - return NETDEV_TX_OK; - } - skb = tx_skb; - } - tx_desc = (struct tx_desc *)skb_push(skb, sizeof(*tx_desc)); - memset(tx_desc, 0, sizeof(*tx_desc)); - tx_desc->opts1 = cpu_to_le32((len & TX_LEN_MASK) | TX_FS | TX_LS); - tp->tx_skb = skb; skb_tx_timestamp(skb); - usb_fill_bulk_urb(tp->tx_urb, tp->udev, usb_sndbulkpipe(tp->udev, 2), - skb->data, skb->len, - (usb_complete_t)write_bulk_callback, tp); - res = usb_submit_urb(tp->tx_urb, GFP_ATOMIC); - if (res) { - /* Can we get/handle EPIPE here? */ - if (res == -ENODEV) { - netif_device_detach(tp->netdev); + + skb_queue_tail(&tp->tx_queue, skb); + + if (!list_empty(&tp->tx_free)) { + if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) { + set_bit(SCHEDULE_NAPI, &tp->flags); + schedule_delayed_work(&tp->schedule, 0); } else { - netif_warn(tp, tx_err, netdev, - "failed tx_urb %d\n", res); - stats->tx_errors++; - netif_start_queue(netdev); + usb_mark_last_busy(tp->udev); + napi_schedule(&tp->napi); } - } else { - stats->tx_packets++; - stats->tx_bytes += skb->len; + } else if (skb_queue_len(&tp->tx_queue) > tp->tx_qlen) { + netif_stop_queue(netdev); } return NETDEV_TX_OK; @@ -998,30 +2037,102 @@ for (i = 0; i < 1000; i++) { if (!(ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR) & CR_RST)) break; - udelay(100); + usleep_range(100, 400); } } +static void set_tx_qlen(struct r8152 *tp) +{ + struct net_device *netdev = tp->netdev; + + tp->tx_qlen = agg_buf_sz / (netdev->mtu + VLAN_ETH_HLEN + VLAN_HLEN + + sizeof(struct tx_desc)); +} + static inline u8 rtl8152_get_speed(struct r8152 *tp) { return ocp_read_byte(tp, MCU_TYPE_PLA, PLA_PHYSTATUS); } -static int rtl8152_enable(struct r8152 *tp) +static void rtl_set_eee_plus(struct r8152 *tp) { - u32 ocp_data; + u32 ocp_data; u8 speed; speed = rtl8152_get_speed(tp); - if (speed & _100bps) { + if (speed & _10bps) { ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR); - ocp_data &= ~EEEP_CR_EEEP_TX; + ocp_data |= EEEP_CR_EEEP_TX; ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data); } else { ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR); - ocp_data |= EEEP_CR_EEEP_TX; + ocp_data &= ~EEEP_CR_EEEP_TX; ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data); } +} + +static void rxdy_gated_en(struct r8152 *tp, bool enable) +{ + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); + if (enable) + ocp_data |= RXDY_GATED_EN; + else + ocp_data &= ~RXDY_GATED_EN; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); +} + +static int rtl_start_rx(struct r8152 *tp) +{ + int i, ret = 0; + + INIT_LIST_HEAD(&tp->rx_done); + for (i = 0; i < RTL8152_MAX_RX; i++) { + INIT_LIST_HEAD(&tp->rx_info[i].list); + ret = r8152_submit_rx(tp, &tp->rx_info[i], GFP_KERNEL); + if (ret) + break; + } + + if (ret && ++i < RTL8152_MAX_RX) { + struct list_head rx_queue; + unsigned long flags; + + INIT_LIST_HEAD(&rx_queue); + + do { + struct rx_agg *agg = &tp->rx_info[i++]; + struct urb *urb = agg->urb; + + urb->actual_length = 0; + list_add_tail(&agg->list, &rx_queue); + } while (i < RTL8152_MAX_RX); + + spin_lock_irqsave(&tp->rx_lock, flags); + list_splice_tail(&rx_queue, &tp->rx_done); + spin_unlock_irqrestore(&tp->rx_lock, flags); + } + + return ret; +} + +static int rtl_stop_rx(struct r8152 *tp) +{ + int i; + + for (i = 0; i < RTL8152_MAX_RX; i++) + usb_kill_urb(tp->rx_info[i].urb); + + while (!skb_queue_empty(&tp->rx_queue)) + dev_kfree_skb(__skb_dequeue(&tp->rx_queue)); + + return 0; +} + +static int rtl_enable(struct r8152 *tp) +{ + u32 ocp_data; r8152b_reset_packet_filter(tp); @@ -1029,62 +2140,365 @@ ocp_data |= CR_RE | CR_TE; ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, ocp_data); - ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); - ocp_data &= ~RXDY_GATED_EN; - ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); + rxdy_gated_en(tp, false); + + return 0; +} + +static int rtl8152_enable(struct r8152 *tp) +{ + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return -ENODEV; - usb_fill_bulk_urb(tp->rx_urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1), - tp->rx_skb->data, RTL8152_RMS + sizeof(struct rx_desc), - (usb_complete_t)read_bulk_callback, tp); + set_tx_qlen(tp); + rtl_set_eee_plus(tp); - return usb_submit_urb(tp->rx_urb, GFP_KERNEL); + return rtl_enable(tp); } -static void rtl8152_disable(struct r8152 *tp) +static void r8153_set_rx_early_timeout(struct r8152 *tp) { - u32 ocp_data; - int i; + u32 ocp_data = tp->coalesce / 8; + + ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_TIMEOUT, ocp_data); +} + +static void r8153_set_rx_early_size(struct r8152 *tp) +{ + u32 mtu = tp->netdev->mtu; + u32 ocp_data = (agg_buf_sz - mtu - VLAN_ETH_HLEN - VLAN_HLEN) / 4; + + ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_SIZE, ocp_data); +} + +static int rtl8153_enable(struct r8152 *tp) +{ + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return -ENODEV; + + usb_disable_lpm(tp->udev); + set_tx_qlen(tp); + rtl_set_eee_plus(tp); + r8153_set_rx_early_timeout(tp); + r8153_set_rx_early_size(tp); + + return rtl_enable(tp); +} + +static void rtl_disable(struct r8152 *tp) +{ + u32 ocp_data; + int i; + + if (test_bit(RTL8152_UNPLUG, &tp->flags)) { + rtl_drop_queued_tx(tp); + return; + } ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); ocp_data &= ~RCR_ACPT_ALL; ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); - usb_kill_urb(tp->tx_urb); + rtl_drop_queued_tx(tp); - ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); - ocp_data |= RXDY_GATED_EN; - ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); + for (i = 0; i < RTL8152_MAX_TX; i++) + usb_kill_urb(tp->tx_info[i].urb); + + rxdy_gated_en(tp, true); for (i = 0; i < 1000; i++) { ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); if ((ocp_data & FIFO_EMPTY) == FIFO_EMPTY) break; - mdelay(1); + usleep_range(1000, 2000); } for (i = 0; i < 1000; i++) { if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0) & TCR0_TX_EMPTY) break; - mdelay(1); + usleep_range(1000, 2000); } - usb_kill_urb(tp->rx_urb); + rtl_stop_rx(tp); rtl8152_nic_reset(tp); } +static void r8152_power_cut_en(struct r8152 *tp, bool enable) +{ + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL); + if (enable) + ocp_data |= POWER_CUT; + else + ocp_data &= ~POWER_CUT; + ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data); + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS); + ocp_data &= ~RESUME_INDICATE; + ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data); +} + +static void rtl_rx_vlan_en(struct r8152 *tp, bool enable) +{ + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR); + if (enable) + ocp_data |= CPCR_RX_VLAN; + else + ocp_data &= ~CPCR_RX_VLAN; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data); +} + +static int rtl8152_set_features(struct net_device *dev, + netdev_features_t features) +{ + netdev_features_t changed = features ^ dev->features; + struct r8152 *tp = netdev_priv(dev); + int ret; + + ret = usb_autopm_get_interface(tp->intf); + if (ret < 0) + goto out; + + mutex_lock(&tp->control); + + if (changed & NETIF_F_HW_VLAN_CTAG_RX) { + if (features & NETIF_F_HW_VLAN_CTAG_RX) + rtl_rx_vlan_en(tp, true); + else + rtl_rx_vlan_en(tp, false); + } + + mutex_unlock(&tp->control); + + usb_autopm_put_interface(tp->intf); + +out: + return ret; +} + +#define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST) + +static u32 __rtl_get_wol(struct r8152 *tp) +{ + u32 ocp_data; + u32 wolopts = 0; + + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CONFIG5); + if (!(ocp_data & LAN_WAKE_EN)) + return 0; + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34); + if (ocp_data & LINK_ON_WAKE_EN) + wolopts |= WAKE_PHY; + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5); + if (ocp_data & UWF_EN) + wolopts |= WAKE_UCAST; + if (ocp_data & BWF_EN) + wolopts |= WAKE_BCAST; + if (ocp_data & MWF_EN) + wolopts |= WAKE_MCAST; + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL); + if (ocp_data & MAGIC_EN) + wolopts |= WAKE_MAGIC; + + return wolopts; +} + +static void __rtl_set_wol(struct r8152 *tp, u32 wolopts) +{ + u32 ocp_data; + + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34); + ocp_data &= ~LINK_ON_WAKE_EN; + if (wolopts & WAKE_PHY) + ocp_data |= LINK_ON_WAKE_EN; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5); + ocp_data &= ~(UWF_EN | BWF_EN | MWF_EN | LAN_WAKE_EN); + if (wolopts & WAKE_UCAST) + ocp_data |= UWF_EN; + if (wolopts & WAKE_BCAST) + ocp_data |= BWF_EN; + if (wolopts & WAKE_MCAST) + ocp_data |= MWF_EN; + if (wolopts & WAKE_ANY) + ocp_data |= LAN_WAKE_EN; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG5, ocp_data); + + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL); + ocp_data &= ~MAGIC_EN; + if (wolopts & WAKE_MAGIC) + ocp_data |= MAGIC_EN; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL, ocp_data); + + if (wolopts & WAKE_ANY) + device_set_wakeup_enable(&tp->udev->dev, true); + else + device_set_wakeup_enable(&tp->udev->dev, false); +} + +static void r8153_u1u2en(struct r8152 *tp, bool enable) +{ + u8 u1u2[8]; + + if (enable) + memset(u1u2, 0xff, sizeof(u1u2)); + else + memset(u1u2, 0x00, sizeof(u1u2)); + + usb_ocp_write(tp, USB_TOLERANCE, BYTE_EN_SIX_BYTES, sizeof(u1u2), u1u2); +} + +static void r8153_u2p3en(struct r8152 *tp, bool enable) +{ + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL); + if (enable && tp->version != RTL_VER_03 && tp->version != RTL_VER_04) + ocp_data |= U2P3_ENABLE; + else + ocp_data &= ~U2P3_ENABLE; + ocp_write_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL, ocp_data); +} + +static void r8153_power_cut_en(struct r8152 *tp, bool enable) +{ + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_POWER_CUT); + if (enable) + ocp_data |= PWR_EN | PHASE2_EN; + else + ocp_data &= ~(PWR_EN | PHASE2_EN); + ocp_write_word(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data); + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0); + ocp_data &= ~PCUT_STATUS; + ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data); +} + +static bool rtl_can_wakeup(struct r8152 *tp) +{ + struct usb_device *udev = tp->udev; + + return (udev->actconfig->desc.bmAttributes & USB_CONFIG_ATT_WAKEUP); +} + +static void rtl_runtime_suspend_enable(struct r8152 *tp, bool enable) +{ + if (enable) { + u32 ocp_data; + + r8153_u1u2en(tp, false); + r8153_u2p3en(tp, false); + + __rtl_set_wol(tp, WAKE_ANY); + + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34); + ocp_data |= LINK_OFF_WAKE_EN; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data); + + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); + } else { + __rtl_set_wol(tp, tp->saved_wolopts); + r8153_u2p3en(tp, true); + r8153_u1u2en(tp, true); + } +} + +static void rtl_phy_reset(struct r8152 *tp) +{ + u16 data; + int i; + + clear_bit(PHY_RESET, &tp->flags); + + data = r8152_mdio_read(tp, MII_BMCR); + + /* don't reset again before the previous one complete */ + if (data & BMCR_RESET) + return; + + data |= BMCR_RESET; + r8152_mdio_write(tp, MII_BMCR, data); + + for (i = 0; i < 50; i++) { + msleep(20); + if ((r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET) == 0) + break; + } +} + +static void r8153_teredo_off(struct r8152 *tp) +{ + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG); + ocp_data &= ~(TEREDO_SEL | TEREDO_RS_EVENT_MASK | OOB_TEREDO_EN); + ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data); + + ocp_write_word(tp, MCU_TYPE_PLA, PLA_WDT6_CTRL, WDT6_SET_MODE); + ocp_write_word(tp, MCU_TYPE_PLA, PLA_REALWOW_TIMER, 0); + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TEREDO_TIMER, 0); +} + +static void r8152b_disable_aldps(struct r8152 *tp) +{ + ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPDNPS | LINKENA | DIS_SDSAVE); + msleep(20); +} + +static inline void r8152b_enable_aldps(struct r8152 *tp) +{ + ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPWRSAVE | ENPDNPS | + LINKENA | DIS_SDSAVE); +} + +static void rtl8152_disable(struct r8152 *tp) +{ + r8152b_disable_aldps(tp); + rtl_disable(tp); + r8152b_enable_aldps(tp); +} + +static void r8152b_hw_phy_cfg(struct r8152 *tp) +{ + u16 data; + + data = r8152_mdio_read(tp, MII_BMCR); + if (data & BMCR_PDOWN) { + data &= ~BMCR_PDOWN; + r8152_mdio_write(tp, MII_BMCR, data); + } + + set_bit(PHY_RESET, &tp->flags); +} + static void r8152b_exit_oob(struct r8152 *tp) { - u32 ocp_data; - int i; + u32 ocp_data; + int i; ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); ocp_data &= ~RCR_ACPT_ALL; ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); - ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); - ocp_data |= RXDY_GATED_EN; - ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); + rxdy_gated_en(tp, true); + r8153_teredo_off(tp); + r8152b_hw_phy_cfg(tp); ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, 0x00); @@ -1101,7 +2515,7 @@ ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); if (ocp_data & LINK_LIST_READY) break; - mdelay(1); + usleep_range(1000, 2000); } ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); @@ -1112,7 +2526,7 @@ ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); if (ocp_data & LINK_LIST_READY) break; - mdelay(1); + usleep_range(1000, 2000); } rtl8152_nic_reset(tp); @@ -1120,9 +2534,8 @@ /* rx share fifo credit full threshold */ ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL); - ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_DEV_STAT); - ocp_data &= STAT_SPEED_MASK; - if (ocp_data == STAT_SPEED_FULL) { + if (tp->udev->speed == USB_SPEED_FULL || + tp->udev->speed == USB_SPEED_LOW) { /* rx share fifo credit near full threshold */ ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_FULL); @@ -1140,13 +2553,11 @@ ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL); ocp_write_byte(tp, MCU_TYPE_USB, USB_TX_AGG, TX_AGG_MAX_THRESHOLD); - ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_BUF_THR); + ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_THR_HIGH); ocp_write_dword(tp, MCU_TYPE_USB, USB_TX_DMA, TEST_MODE_DISABLE | TX_SIZE_ADJUST1); - ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR); - ocp_data &= ~CPCR_RX_VLAN; - ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data); + rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX); ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS); @@ -1157,8 +2568,8 @@ static void r8152b_enter_oob(struct r8152 *tp) { - u32 ocp_data; - int i; + u32 ocp_data; + int i; ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); ocp_data &= ~NOW_IS_OOB; @@ -1168,13 +2579,13 @@ ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_OOB); ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_OOB); - rtl8152_disable(tp); + rtl_disable(tp); for (i = 0; i < 1000; i++) { ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); if (ocp_data & LINK_LIST_READY) break; - mdelay(1); + usleep_range(1000, 2000); } ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); @@ -1185,18 +2596,12 @@ ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); if (ocp_data & LINK_LIST_READY) break; - mdelay(1); + usleep_range(1000, 2000); } ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS); - ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL); - ocp_data |= MAGIC_EN; - ocp_write_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL, ocp_data); - - ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR); - ocp_data |= CPCR_RX_VLAN; - ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data); + rtl_rx_vlan_en(tp, true); ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR); ocp_data |= ALDPS_PROXY_MODE; @@ -1206,38 +2611,220 @@ ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB; ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); - ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CONFIG5, LAN_WAKE_EN); + rxdy_gated_en(tp, false); - ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); - ocp_data &= ~RXDY_GATED_EN; - ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); + ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); + ocp_data |= RCR_APM | RCR_AM | RCR_AB; + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); +} + +static void r8153_hw_phy_cfg(struct r8152 *tp) +{ + u32 ocp_data; + u16 data; + + if (tp->version == RTL_VER_03 || tp->version == RTL_VER_04 || + tp->version == RTL_VER_05) + ocp_reg_write(tp, OCP_ADC_CFG, CKADSEL_L | ADC_EN | EN_EMI_L); + + data = r8152_mdio_read(tp, MII_BMCR); + if (data & BMCR_PDOWN) { + data &= ~BMCR_PDOWN; + r8152_mdio_write(tp, MII_BMCR, data); + } + + if (tp->version == RTL_VER_03) { + data = ocp_reg_read(tp, OCP_EEE_CFG); + data &= ~CTAP_SHORT_EN; + ocp_reg_write(tp, OCP_EEE_CFG, data); + } + + data = ocp_reg_read(tp, OCP_POWER_CFG); + data |= EEE_CLKDIV_EN; + ocp_reg_write(tp, OCP_POWER_CFG, data); + + data = ocp_reg_read(tp, OCP_DOWN_SPEED); + data |= EN_10M_BGOFF; + ocp_reg_write(tp, OCP_DOWN_SPEED, data); + data = ocp_reg_read(tp, OCP_POWER_CFG); + data |= EN_10M_PLLOFF; + ocp_reg_write(tp, OCP_POWER_CFG, data); + sram_write(tp, SRAM_IMPEDANCE, 0x0b13); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR); + ocp_data |= PFM_PWM_SWITCH; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data); + + /* Enable LPF corner auto tune */ + sram_write(tp, SRAM_LPF_CFG, 0xf70f); + + /* Adjust 10M Amplitude */ + sram_write(tp, SRAM_10M_AMP1, 0x00af); + sram_write(tp, SRAM_10M_AMP2, 0x0208); + + set_bit(PHY_RESET, &tp->flags); +} + +static void r8153_first_init(struct r8152 *tp) +{ + u32 ocp_data; + int i; + + rxdy_gated_en(tp, true); + r8153_teredo_off(tp); + + ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); + ocp_data &= ~RCR_ACPT_ALL; + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); + + r8153_hw_phy_cfg(tp); + + rtl8152_nic_reset(tp); + + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); + ocp_data &= ~NOW_IS_OOB; + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); + ocp_data &= ~MCU_BORW_EN; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); + + for (i = 0; i < 1000; i++) { + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); + if (ocp_data & LINK_LIST_READY) + break; + usleep_range(1000, 2000); + } + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); + ocp_data |= RE_INIT_LL; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); + + for (i = 0; i < 1000; i++) { + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); + if (ocp_data & LINK_LIST_READY) + break; + usleep_range(1000, 2000); + } + + rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX); + + ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8153_RMS); + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_MTPS, MTPS_JUMBO); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0); + ocp_data |= TCR0_AUTO_FIFO; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data); + + rtl8152_nic_reset(tp); + + /* rx share fifo credit full threshold */ + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL); + ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_NORMAL); + ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_NORMAL); + /* TX share fifo free credit full threshold */ + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL2); + + /* rx aggregation */ + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL); + ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN); + ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data); +} + +static void r8153_enter_oob(struct r8152 *tp) +{ + u32 ocp_data; + int i; + + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); + ocp_data &= ~NOW_IS_OOB; + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); + + rtl_disable(tp); + + for (i = 0; i < 1000; i++) { + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); + if (ocp_data & LINK_LIST_READY) + break; + usleep_range(1000, 2000); + } + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); + ocp_data |= RE_INIT_LL; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); + + for (i = 0; i < 1000; i++) { + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); + if (ocp_data & LINK_LIST_READY) + break; + usleep_range(1000, 2000); + } + + ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8153_RMS); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG); + ocp_data &= ~TEREDO_WAKE_MASK; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data); + + rtl_rx_vlan_en(tp, true); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PAL_BDC_CR); + ocp_data |= ALDPS_PROXY_MODE; + ocp_write_word(tp, MCU_TYPE_PLA, PAL_BDC_CR, ocp_data); + + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); + ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB; + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); + + rxdy_gated_en(tp, false); ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); ocp_data |= RCR_APM | RCR_AM | RCR_AB; ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); } -static void r8152b_disable_aldps(struct r8152 *tp) +static void r8153_disable_aldps(struct r8152 *tp) { - ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPDNPS | LINKENA | DIS_SDSAVE); + u16 data; + + data = ocp_reg_read(tp, OCP_POWER_CFG); + data &= ~EN_ALDPS; + ocp_reg_write(tp, OCP_POWER_CFG, data); msleep(20); } -static inline void r8152b_enable_aldps(struct r8152 *tp) +static void r8153_enable_aldps(struct r8152 *tp) { - ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPWRSAVE | ENPDNPS | - LINKENA | DIS_SDSAVE); + u16 data; + + data = ocp_reg_read(tp, OCP_POWER_CFG); + data |= EN_ALDPS; + ocp_reg_write(tp, OCP_POWER_CFG, data); +} + +static void rtl8153_disable(struct r8152 *tp) +{ + r8153_disable_aldps(tp); + rtl_disable(tp); + r8153_enable_aldps(tp); + usb_enable_lpm(tp->udev); } static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex) { - u16 bmcr, anar; + u16 bmcr, anar, gbcr; int ret = 0; cancel_delayed_work_sync(&tp->schedule); anar = r8152_mdio_read(tp, MII_ADVERTISE); anar &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL | ADVERTISE_100HALF | ADVERTISE_100FULL); + if (tp->mii.supports_gmii) { + gbcr = r8152_mdio_read(tp, MII_CTRL1000); + gbcr &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); + } else { + gbcr = 0; + } if (autoneg == AUTONEG_DISABLE) { if (speed == SPEED_10) { @@ -1246,6 +2833,9 @@ } else if (speed == SPEED_100) { bmcr = BMCR_SPEED100; anar |= ADVERTISE_100HALF | ADVERTISE_100FULL; + } else if (speed == SPEED_1000 && tp->mii.supports_gmii) { + bmcr = BMCR_SPEED1000; + gbcr |= ADVERTISE_1000FULL | ADVERTISE_1000HALF; } else { ret = -EINVAL; goto out; @@ -1267,6 +2857,16 @@ anar |= ADVERTISE_10HALF; anar |= ADVERTISE_100HALF; } + } else if (speed == SPEED_1000 && tp->mii.supports_gmii) { + if (duplex == DUPLEX_FULL) { + anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; + anar |= ADVERTISE_100HALF | ADVERTISE_100FULL; + gbcr |= ADVERTISE_1000FULL | ADVERTISE_1000HALF; + } else { + anar |= ADVERTISE_10HALF; + anar |= ADVERTISE_100HALF; + gbcr |= ADVERTISE_1000HALF; + } } else { ret = -EINVAL; goto out; @@ -1275,69 +2875,177 @@ bmcr = BMCR_ANENABLE | BMCR_ANRESTART; } + if (test_bit(PHY_RESET, &tp->flags)) + bmcr |= BMCR_RESET; + + if (tp->mii.supports_gmii) + r8152_mdio_write(tp, MII_CTRL1000, gbcr); + r8152_mdio_write(tp, MII_ADVERTISE, anar); r8152_mdio_write(tp, MII_BMCR, bmcr); + if (test_bit(PHY_RESET, &tp->flags)) { + int i; + + clear_bit(PHY_RESET, &tp->flags); + for (i = 0; i < 50; i++) { + msleep(20); + if ((r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET) == 0) + break; + } + } + out: - schedule_delayed_work(&tp->schedule, 5 * HZ); return ret; } -static void rtl8152_down(struct r8152 *tp) +static void rtl8152_up(struct r8152 *tp) { - u32 ocp_data; + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return; - ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL); - ocp_data &= ~POWER_CUT; - ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data); + r8152b_disable_aldps(tp); + r8152b_exit_oob(tp); + r8152b_enable_aldps(tp); +} + +static void rtl8152_down(struct r8152 *tp) +{ + if (test_bit(RTL8152_UNPLUG, &tp->flags)) { + rtl_drop_queued_tx(tp); + return; + } + r8152_power_cut_en(tp, false); r8152b_disable_aldps(tp); r8152b_enter_oob(tp); r8152b_enable_aldps(tp); } +static void rtl8153_up(struct r8152 *tp) +{ + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return; + + r8153_u1u2en(tp, false); + r8153_disable_aldps(tp); + r8153_first_init(tp); + r8153_enable_aldps(tp); + r8153_u2p3en(tp, true); + r8153_u1u2en(tp, true); + usb_enable_lpm(tp->udev); +} + +static void rtl8153_down(struct r8152 *tp) +{ + if (test_bit(RTL8152_UNPLUG, &tp->flags)) { + rtl_drop_queued_tx(tp); + return; + } + + r8153_u1u2en(tp, false); + r8153_u2p3en(tp, false); + r8153_power_cut_en(tp, false); + r8153_disable_aldps(tp); + r8153_enter_oob(tp); + r8153_enable_aldps(tp); +} + +static bool rtl8152_in_nway(struct r8152 *tp) +{ + u16 nway_state; + + ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, 0x2000); + tp->ocp_base = 0x2000; + ocp_write_byte(tp, MCU_TYPE_PLA, 0xb014, 0x4c); /* phy state */ + nway_state = ocp_read_word(tp, MCU_TYPE_PLA, 0xb01a); + + /* bit 15: TXDIS_STATE, bit 14: ABD_STATE */ + if (nway_state & 0xc000) + return false; + else + return true; +} + +static bool rtl8153_in_nway(struct r8152 *tp) +{ + u16 phy_state = ocp_reg_read(tp, OCP_PHY_STATE) & 0xff; + + if (phy_state == TXDIS_STATE || phy_state == ABD_STATE) + return false; + else + return true; +} + static void set_carrier(struct r8152 *tp) { struct net_device *netdev = tp->netdev; u8 speed; + clear_bit(RTL8152_LINK_CHG, &tp->flags); speed = rtl8152_get_speed(tp); if (speed & LINK_STATUS) { - if (!(tp->speed & LINK_STATUS)) { - rtl8152_enable(tp); + if (!netif_carrier_ok(netdev)) { + tp->rtl_ops.enable(tp); set_bit(RTL8152_SET_RX_MODE, &tp->flags); + napi_disable(&tp->napi); netif_carrier_on(netdev); + rtl_start_rx(tp); + napi_enable(&tp->napi); } } else { - if (tp->speed & LINK_STATUS) { + if (netif_carrier_ok(netdev)) { netif_carrier_off(netdev); - rtl8152_disable(tp); + napi_disable(&tp->napi); + tp->rtl_ops.disable(tp); + napi_enable(&tp->napi); } } - tp->speed = speed; } static void rtl_work_func_t(struct work_struct *work) { struct r8152 *tp = container_of(work, struct r8152, schedule.work); + /* If the device is unplugged or !netif_running(), the workqueue + * doesn't need to wake the device, and could return directly. + */ + if (test_bit(RTL8152_UNPLUG, &tp->flags) || !netif_running(tp->netdev)) + return; + + if (usb_autopm_get_interface(tp->intf) < 0) + return; + if (!test_bit(WORK_ENABLE, &tp->flags)) goto out1; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (!mutex_trylock(&tp->control)) { + schedule_delayed_work(&tp->schedule, 0); goto out1; + } - set_carrier(tp); + if (test_bit(RTL8152_LINK_CHG, &tp->flags)) + set_carrier(tp); if (test_bit(RTL8152_SET_RX_MODE, &tp->flags)) _rtl8152_set_rx_mode(tp->netdev); - schedule_delayed_work(&tp->schedule, HZ); + /* don't schedule napi before linking */ + if (test_bit(SCHEDULE_NAPI, &tp->flags) && + netif_carrier_ok(tp->netdev)) { + clear_bit(SCHEDULE_NAPI, &tp->flags); + napi_schedule(&tp->napi); + } + + if (test_bit(PHY_RESET, &tp->flags)) + rtl_phy_reset(tp); + + mutex_unlock(&tp->control); out1: - return; + usb_autopm_put_interface(tp->intf); } static int rtl8152_open(struct net_device *netdev) @@ -1345,29 +3053,45 @@ struct r8152 *tp = netdev_priv(netdev); int res = 0; - tp->speed = rtl8152_get_speed(tp); - if (tp->speed & LINK_STATUS) { - res = rtl8152_enable(tp); - if (res) { - if (res == -ENODEV) - netif_device_detach(tp->netdev); + res = alloc_all_mem(tp); + if (res) + goto out; - netif_err(tp, ifup, netdev, - "rtl8152_open failed: %d\n", res); - return res; - } + netif_carrier_off(netdev); - netif_carrier_on(netdev); - } else { - netif_stop_queue(netdev); - netif_carrier_off(netdev); + res = usb_autopm_get_interface(tp->intf); + if (res < 0) { + free_all_mem(tp); + goto out; } - rtl8152_set_speed(tp, AUTONEG_ENABLE, SPEED_100, DUPLEX_FULL); + mutex_lock(&tp->control); + + tp->rtl_ops.up(tp); + + rtl8152_set_speed(tp, AUTONEG_ENABLE, + tp->mii.supports_gmii ? SPEED_1000 : SPEED_100, + DUPLEX_FULL); + netif_carrier_off(netdev); netif_start_queue(netdev); set_bit(WORK_ENABLE, &tp->flags); - schedule_delayed_work(&tp->schedule, 0); + res = usb_submit_urb(tp->intr_urb, GFP_KERNEL); + if (res) { + if (res == -ENODEV) + netif_device_detach(tp->netdev); + netif_warn(tp, ifup, netdev, "intr_urb submit failed: %d\n", + res); + free_all_mem(tp); + } else { + napi_enable(&tp->napi); + } + + mutex_unlock(&tp->control); + + usb_autopm_put_interface(tp->intf); + +out: return res; } @@ -1376,50 +3100,117 @@ struct r8152 *tp = netdev_priv(netdev); int res = 0; + napi_disable(&tp->napi); clear_bit(WORK_ENABLE, &tp->flags); + usb_kill_urb(tp->intr_urb); cancel_delayed_work_sync(&tp->schedule); netif_stop_queue(netdev); - rtl8152_disable(tp); + + res = usb_autopm_get_interface(tp->intf); + if (res < 0 || test_bit(RTL8152_UNPLUG, &tp->flags)) { + rtl_drop_queued_tx(tp); + rtl_stop_rx(tp); + } else { + mutex_lock(&tp->control); + + tp->rtl_ops.down(tp); + + mutex_unlock(&tp->control); + + usb_autopm_put_interface(tp->intf); + } + + free_all_mem(tp); return res; } -static void rtl_clear_bp(struct r8152 *tp) +static inline void r8152_mmd_indirect(struct r8152 *tp, u16 dev, u16 reg) { - ocp_write_dword(tp, MCU_TYPE_PLA, PLA_BP_0, 0); - ocp_write_dword(tp, MCU_TYPE_PLA, PLA_BP_2, 0); - ocp_write_dword(tp, MCU_TYPE_PLA, PLA_BP_4, 0); - ocp_write_dword(tp, MCU_TYPE_PLA, PLA_BP_6, 0); - ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_0, 0); - ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_2, 0); - ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_4, 0); - ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_6, 0); - mdelay(3); - ocp_write_word(tp, MCU_TYPE_PLA, PLA_BP_BA, 0); - ocp_write_word(tp, MCU_TYPE_USB, USB_BP_BA, 0); + ocp_reg_write(tp, OCP_EEE_AR, FUN_ADDR | dev); + ocp_reg_write(tp, OCP_EEE_DATA, reg); + ocp_reg_write(tp, OCP_EEE_AR, FUN_DATA | dev); +} + +static u16 r8152_mmd_read(struct r8152 *tp, u16 dev, u16 reg) +{ + u16 data; + + r8152_mmd_indirect(tp, dev, reg); + data = ocp_reg_read(tp, OCP_EEE_DATA); + ocp_reg_write(tp, OCP_EEE_AR, 0x0000); + + return data; +} + +static void r8152_mmd_write(struct r8152 *tp, u16 dev, u16 reg, u16 data) +{ + r8152_mmd_indirect(tp, dev, reg); + ocp_reg_write(tp, OCP_EEE_DATA, data); + ocp_reg_write(tp, OCP_EEE_AR, 0x0000); +} + +static void r8152_eee_en(struct r8152 *tp, bool enable) +{ + u16 config1, config2, config3; + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR); + config1 = ocp_reg_read(tp, OCP_EEE_CONFIG1) & ~sd_rise_time_mask; + config2 = ocp_reg_read(tp, OCP_EEE_CONFIG2); + config3 = ocp_reg_read(tp, OCP_EEE_CONFIG3) & ~fast_snr_mask; + + if (enable) { + ocp_data |= EEE_RX_EN | EEE_TX_EN; + config1 |= EEE_10_CAP | EEE_NWAY_EN | TX_QUIET_EN | RX_QUIET_EN; + config1 |= sd_rise_time(1); + config2 |= RG_DACQUIET_EN | RG_LDVQUIET_EN; + config3 |= fast_snr(42); + } else { + ocp_data &= ~(EEE_RX_EN | EEE_TX_EN); + config1 &= ~(EEE_10_CAP | EEE_NWAY_EN | TX_QUIET_EN | + RX_QUIET_EN); + config1 |= sd_rise_time(7); + config2 &= ~(RG_DACQUIET_EN | RG_LDVQUIET_EN); + config3 |= fast_snr(511); + } + + ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data); + ocp_reg_write(tp, OCP_EEE_CONFIG1, config1); + ocp_reg_write(tp, OCP_EEE_CONFIG2, config2); + ocp_reg_write(tp, OCP_EEE_CONFIG3, config3); } static void r8152b_enable_eee(struct r8152 *tp) { - u32 ocp_data; + r8152_eee_en(tp, true); + r8152_mmd_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, MDIO_EEE_100TX); +} + +static void r8153_eee_en(struct r8152 *tp, bool enable) +{ + u32 ocp_data; + u16 config; ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR); - ocp_data |= EEE_RX_EN | EEE_TX_EN; + config = ocp_reg_read(tp, OCP_EEE_CFG); + + if (enable) { + ocp_data |= EEE_RX_EN | EEE_TX_EN; + config |= EEE10_EN; + } else { + ocp_data &= ~(EEE_RX_EN | EEE_TX_EN); + config &= ~EEE10_EN; + } + ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data); - ocp_reg_write(tp, OCP_EEE_CONFIG1, RG_TXLPI_MSK_HFDUP | RG_MATCLR_EN | - EEE_10_CAP | EEE_NWAY_EN | - TX_QUIET_EN | RX_QUIET_EN | - SDRISETIME | RG_RXLPI_MSK_HFDUP | - SDFALLTIME); - ocp_reg_write(tp, OCP_EEE_CONFIG2, RG_LPIHYS_NUM | RG_DACQUIET_EN | - RG_LDVQUIET_EN | RG_CKRSEL | - RG_EEEPRG_EN); - ocp_reg_write(tp, OCP_EEE_CONFIG3, FST_SNR_EYE_R | RG_LFS_SEL | MSK_PH); - ocp_reg_write(tp, OCP_EEE_AR, FUN_ADDR | DEVICE_ADDR); - ocp_reg_write(tp, OCP_EEE_DATA, EEE_ADDR); - ocp_reg_write(tp, OCP_EEE_AR, FUN_DATA | DEVICE_ADDR); - ocp_reg_write(tp, OCP_EEE_DATA, EEE_DATA); - ocp_reg_write(tp, OCP_EEE_AR, 0x0000); + ocp_reg_write(tp, OCP_EEE_CFG, config); +} + +static void r8153_enable_eee(struct r8152 *tp) +{ + r8153_eee_en(tp, true); + ocp_reg_write(tp, OCP_EEE_ADV, MDIO_EEE_1000T | MDIO_EEE_100TX); } static void r8152b_enable_fc(struct r8152 *tp) @@ -1431,18 +3222,23 @@ r8152_mdio_write(tp, MII_ADVERTISE, anar); } -static void r8152b_hw_phy_cfg(struct r8152 *tp) +static void rtl_tally_reset(struct r8152 *tp) { - r8152_mdio_write(tp, MII_BMCR, BMCR_ANENABLE); - r8152b_disable_aldps(tp); + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY); + ocp_data |= TALLY_RESET; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY, ocp_data); } static void r8152b_init(struct r8152 *tp) { - u32 ocp_data; - int i; + u32 ocp_data; - rtl_clear_bp(tp); + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return; + + r8152b_disable_aldps(tp); if (tp->version == RTL_VER_01) { ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE); @@ -1450,17 +3246,7 @@ ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data); } - r8152b_hw_phy_cfg(tp); - - ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL); - ocp_data &= ~POWER_CUT; - ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data); - - ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS); - ocp_data &= ~RWSUME_INDICATE; - ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data); - - r8152b_exit_oob(tp); + r8152_power_cut_en(tp, false); ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR); ocp_data |= TX_10M_IDLE_EN | PFM_PWM_SWITCH; @@ -1476,60 +3262,393 @@ r8152b_enable_eee(tp); r8152b_enable_aldps(tp); r8152b_enable_fc(tp); + rtl_tally_reset(tp); + + /* enable rx aggregation */ + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL); + ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN); + ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data); +} + +static void r8153_init(struct r8152 *tp) +{ + u32 ocp_data; + int i; + + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return; + + r8153_disable_aldps(tp); + r8153_u1u2en(tp, false); - r8152_mdio_write(tp, MII_BMCR, BMCR_RESET | BMCR_ANENABLE | - BMCR_ANRESTART); - for (i = 0; i < 100; i++) { - udelay(100); - if (!(r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET)) + for (i = 0; i < 500; i++) { + if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_BOOT_CTRL) & + AUTOLOAD_DONE) break; + msleep(20); } - /* disable rx aggregation */ - ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL); - ocp_data |= RX_AGG_DISABLE; - ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data); + for (i = 0; i < 500; i++) { + ocp_data = ocp_reg_read(tp, OCP_PHY_STATUS) & PHY_STAT_MASK; + if (ocp_data == PHY_STAT_LAN_ON || ocp_data == PHY_STAT_PWRDN) + break; + msleep(20); + } + + usb_disable_lpm(tp->udev); + r8153_u2p3en(tp, false); + + if (tp->version == RTL_VER_04) { + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_SSPHYLINK2); + ocp_data &= ~pwd_dn_scale_mask; + ocp_data |= pwd_dn_scale(96); + ocp_write_word(tp, MCU_TYPE_USB, USB_SSPHYLINK2, ocp_data); + + ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_USB2PHY); + ocp_data |= USB2PHY_L1 | USB2PHY_SUSPEND; + ocp_write_byte(tp, MCU_TYPE_USB, USB_USB2PHY, ocp_data); + } else if (tp->version == RTL_VER_05) { + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_DMY_REG0); + ocp_data &= ~ECM_ALDPS; + ocp_write_byte(tp, MCU_TYPE_PLA, PLA_DMY_REG0, ocp_data); + + ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1); + if (ocp_read_word(tp, MCU_TYPE_USB, USB_BURST_SIZE) == 0) + ocp_data &= ~DYNAMIC_BURST; + else + ocp_data |= DYNAMIC_BURST; + ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1, ocp_data); + } else if (tp->version == RTL_VER_06) { + ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1); + if (ocp_read_word(tp, MCU_TYPE_USB, USB_BURST_SIZE) == 0) + ocp_data &= ~DYNAMIC_BURST; + else + ocp_data |= DYNAMIC_BURST; + ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1, ocp_data); + } + + ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY2); + ocp_data |= EP4_FULL_FC; + ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY2, ocp_data); + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL); + ocp_data &= ~TIMER11_EN; + ocp_write_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL, ocp_data); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE); + ocp_data &= ~LED_MODE_MASK; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data); + + ocp_data = FIFO_EMPTY_1FB | ROK_EXIT_LPM; + if (tp->version == RTL_VER_04 && tp->udev->speed != USB_SPEED_SUPER) + ocp_data |= LPM_TIMER_500MS; + else + ocp_data |= LPM_TIMER_500US; + ocp_write_byte(tp, MCU_TYPE_USB, USB_LPM_CTRL, ocp_data); + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2); + ocp_data &= ~SEN_VAL_MASK; + ocp_data |= SEN_VAL_NORMAL | SEL_RXIDLE; + ocp_write_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2, ocp_data); + + ocp_write_word(tp, MCU_TYPE_USB, USB_CONNECT_TIMER, 0x0001); + + r8153_power_cut_en(tp, false); + r8153_u1u2en(tp, true); + + ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, ALDPS_SPDWN_RATIO); + ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2, EEE_SPDWN_RATIO); + ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, + PKT_AVAIL_SPDWN_EN | SUSPEND_SPDWN_EN | + U1U2_SPDWN_EN | L1_SPDWN_EN); + ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4, + PWRSAVE_SPDWN_EN | RXDV_SPDWN_EN | TX10MIDLE_EN | + TP100_SPDWN_EN | TP500_SPDWN_EN | TP1000_SPDWN_EN | + EEE_SPDWN_EN); + + r8153_enable_eee(tp); + r8153_enable_aldps(tp); + r8152b_enable_fc(tp); + rtl_tally_reset(tp); + r8153_u2p3en(tp, true); } -static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message) +static int rtl8152_pre_reset(struct usb_interface *intf) +{ + struct r8152 *tp = usb_get_intfdata(intf); + struct net_device *netdev; + + if (!tp) + return 0; + + netdev = tp->netdev; + if (!netif_running(netdev)) + return 0; + + napi_disable(&tp->napi); + clear_bit(WORK_ENABLE, &tp->flags); + usb_kill_urb(tp->intr_urb); + cancel_delayed_work_sync(&tp->schedule); + if (netif_carrier_ok(netdev)) { + netif_stop_queue(netdev); + mutex_lock(&tp->control); + tp->rtl_ops.disable(tp); + mutex_unlock(&tp->control); + } + + return 0; +} + +static int rtl8152_post_reset(struct usb_interface *intf) { struct r8152 *tp = usb_get_intfdata(intf); + struct net_device *netdev; + + if (!tp) + return 0; + + netdev = tp->netdev; + if (!netif_running(netdev)) + return 0; + + set_bit(WORK_ENABLE, &tp->flags); + if (netif_carrier_ok(netdev)) { + mutex_lock(&tp->control); + tp->rtl_ops.enable(tp); + rtl8152_set_rx_mode(netdev); + mutex_unlock(&tp->control); + netif_wake_queue(netdev); + } + + napi_enable(&tp->napi); + + return 0; +} + +static bool delay_autosuspend(struct r8152 *tp) +{ + bool sw_linking = !!netif_carrier_ok(tp->netdev); + bool hw_linking = !!(rtl8152_get_speed(tp) & LINK_STATUS); + + /* This means a linking change occurs and the driver doesn't detect it, + * yet. If the driver has disabled tx/rx and hw is linking on, the + * device wouldn't wake up by receiving any packet. + */ + if (work_busy(&tp->schedule.work) || sw_linking != hw_linking) + return true; + + /* If the linking down is occurred by nway, the device may miss the + * linking change event. And it wouldn't wake when linking on. + */ + if (!sw_linking && tp->rtl_ops.in_nway(tp)) + return true; + else if (!skb_queue_empty(&tp->tx_queue)) + return true; + else + return false; +} + +static int rtl8152_rumtime_suspend(struct r8152 *tp) +{ + struct net_device *netdev = tp->netdev; + int ret = 0; + + if (netif_running(netdev) && test_bit(WORK_ENABLE, &tp->flags)) { + u32 rcr = 0; + + if (delay_autosuspend(tp)) { + ret = -EBUSY; + goto out1; + } + + if (netif_carrier_ok(netdev)) { + u32 ocp_data; + + rcr = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); + ocp_data = rcr & ~RCR_ACPT_ALL; + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); + rxdy_gated_en(tp, true); + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, + PLA_OOB_CTRL); + if (!(ocp_data & RXFIFO_EMPTY)) { + rxdy_gated_en(tp, false); + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, rcr); + ret = -EBUSY; + goto out1; + } + } + + clear_bit(WORK_ENABLE, &tp->flags); + usb_kill_urb(tp->intr_urb); + + rtl_runtime_suspend_enable(tp, true); + + if (netif_carrier_ok(netdev)) { + napi_disable(&tp->napi); + rtl_stop_rx(tp); + rxdy_gated_en(tp, false); + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, rcr); + napi_enable(&tp->napi); + } + } + + set_bit(SELECTIVE_SUSPEND, &tp->flags); + +out1: + return ret; +} + +static int rtl8152_system_suspend(struct r8152 *tp) +{ + struct net_device *netdev = tp->netdev; + int ret = 0; - netif_device_detach(tp->netdev); + netif_device_detach(netdev); - if (netif_running(tp->netdev)) { + if (netif_running(netdev) && test_bit(WORK_ENABLE, &tp->flags)) { clear_bit(WORK_ENABLE, &tp->flags); + usb_kill_urb(tp->intr_urb); + napi_disable(&tp->napi); cancel_delayed_work_sync(&tp->schedule); + tp->rtl_ops.down(tp); + napi_enable(&tp->napi); } - rtl8152_down(tp); + return ret; +} - return 0; +static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message) +{ + struct r8152 *tp = usb_get_intfdata(intf); + int ret; + + mutex_lock(&tp->control); + + if (PMSG_IS_AUTO(message)) + ret = rtl8152_rumtime_suspend(tp); + else + ret = rtl8152_system_suspend(tp); + + mutex_unlock(&tp->control); + + return ret; } static int rtl8152_resume(struct usb_interface *intf) { struct r8152 *tp = usb_get_intfdata(intf); - r8152b_init(tp); - netif_device_attach(tp->netdev); - if (netif_running(tp->netdev)) { - rtl8152_enable(tp); - set_bit(WORK_ENABLE, &tp->flags); - set_bit(RTL8152_SET_RX_MODE, &tp->flags); - schedule_delayed_work(&tp->schedule, 0); + mutex_lock(&tp->control); + + if (!test_bit(SELECTIVE_SUSPEND, &tp->flags)) { + tp->rtl_ops.init(tp); + netif_device_attach(tp->netdev); + } + + if (netif_running(tp->netdev) && tp->netdev->flags & IFF_UP) { + if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) { + rtl_runtime_suspend_enable(tp, false); + clear_bit(SELECTIVE_SUSPEND, &tp->flags); + napi_disable(&tp->napi); + set_bit(WORK_ENABLE, &tp->flags); + if (netif_carrier_ok(tp->netdev)) + rtl_start_rx(tp); + napi_enable(&tp->napi); + } else { + tp->rtl_ops.up(tp); + rtl8152_set_speed(tp, AUTONEG_ENABLE, + tp->mii.supports_gmii ? + SPEED_1000 : SPEED_100, + DUPLEX_FULL); + netif_carrier_off(tp->netdev); + set_bit(WORK_ENABLE, &tp->flags); + } + usb_submit_urb(tp->intr_urb, GFP_KERNEL); + } else if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) { + if (tp->netdev->flags & IFF_UP) + rtl_runtime_suspend_enable(tp, false); + clear_bit(SELECTIVE_SUSPEND, &tp->flags); } + mutex_unlock(&tp->control); + return 0; } +static int rtl8152_reset_resume(struct usb_interface *intf) +{ + struct r8152 *tp = usb_get_intfdata(intf); + + clear_bit(SELECTIVE_SUSPEND, &tp->flags); + return rtl8152_resume(intf); +} + +static void rtl8152_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + struct r8152 *tp = netdev_priv(dev); + + if (usb_autopm_get_interface(tp->intf) < 0) + return; + + if (!rtl_can_wakeup(tp)) { + wol->supported = 0; + wol->wolopts = 0; + } else { + mutex_lock(&tp->control); + wol->supported = WAKE_ANY; + wol->wolopts = __rtl_get_wol(tp); + mutex_unlock(&tp->control); + } + + usb_autopm_put_interface(tp->intf); +} + +static int rtl8152_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + struct r8152 *tp = netdev_priv(dev); + int ret; + + if (!rtl_can_wakeup(tp)) + return -EOPNOTSUPP; + + ret = usb_autopm_get_interface(tp->intf); + if (ret < 0) + goto out_set_wol; + + mutex_lock(&tp->control); + + __rtl_set_wol(tp, wol->wolopts); + tp->saved_wolopts = wol->wolopts & WAKE_ANY; + + mutex_unlock(&tp->control); + + usb_autopm_put_interface(tp->intf); + +out_set_wol: + return ret; +} + +static u32 rtl8152_get_msglevel(struct net_device *dev) +{ + struct r8152 *tp = netdev_priv(dev); + + return tp->msg_enable; +} + +static void rtl8152_set_msglevel(struct net_device *dev, u32 value) +{ + struct r8152 *tp = netdev_priv(dev); + + tp->msg_enable = value; +} + static void rtl8152_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *info) { struct r8152 *tp = netdev_priv(netdev); - strncpy(info->driver, MODULENAME, ETHTOOL_BUSINFO_LEN); - strncpy(info->version, DRIVER_VERSION, ETHTOOL_BUSINFO_LEN); + strlcpy(info->driver, MODULENAME, sizeof(info->driver)); + strlcpy(info->version, DRIVER_VERSION, sizeof(info->version)); usb_make_path(tp->udev, info->bus_info, sizeof(info->bus_info)); } @@ -1537,18 +3656,311 @@ int rtl8152_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd) { struct r8152 *tp = netdev_priv(netdev); + int ret; if (!tp->mii.mdio_read) return -EOPNOTSUPP; - return mii_ethtool_gset(&tp->mii, cmd); + ret = usb_autopm_get_interface(tp->intf); + if (ret < 0) + goto out; + + mutex_lock(&tp->control); + + ret = mii_ethtool_gset(&tp->mii, cmd); + + mutex_unlock(&tp->control); + + usb_autopm_put_interface(tp->intf); + +out: + return ret; } static int rtl8152_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) { struct r8152 *tp = netdev_priv(dev); + int ret; + + ret = usb_autopm_get_interface(tp->intf); + if (ret < 0) + goto out; + + mutex_lock(&tp->control); + + ret = rtl8152_set_speed(tp, cmd->autoneg, cmd->speed, cmd->duplex); + + mutex_unlock(&tp->control); + + usb_autopm_put_interface(tp->intf); + +out: + return ret; +} + +static const char rtl8152_gstrings[][ETH_GSTRING_LEN] = { + "tx_packets", + "rx_packets", + "tx_errors", + "rx_errors", + "rx_missed", + "align_errors", + "tx_single_collisions", + "tx_multi_collisions", + "rx_unicast", + "rx_broadcast", + "rx_multicast", + "tx_aborted", + "tx_underrun", +}; + +static int rtl8152_get_sset_count(struct net_device *dev, int sset) +{ + switch (sset) { + case ETH_SS_STATS: + return ARRAY_SIZE(rtl8152_gstrings); + default: + return -EOPNOTSUPP; + } +} + +static void rtl8152_get_ethtool_stats(struct net_device *dev, + struct ethtool_stats *stats, u64 *data) +{ + struct r8152 *tp = netdev_priv(dev); + struct tally_counter tally; + + if (usb_autopm_get_interface(tp->intf) < 0) + return; + + generic_ocp_read(tp, PLA_TALLYCNT, sizeof(tally), &tally, MCU_TYPE_PLA); + + usb_autopm_put_interface(tp->intf); + + data[0] = le64_to_cpu(tally.tx_packets); + data[1] = le64_to_cpu(tally.rx_packets); + data[2] = le64_to_cpu(tally.tx_errors); + data[3] = le32_to_cpu(tally.rx_errors); + data[4] = le16_to_cpu(tally.rx_missed); + data[5] = le16_to_cpu(tally.align_errors); + data[6] = le32_to_cpu(tally.tx_one_collision); + data[7] = le32_to_cpu(tally.tx_multi_collision); + data[8] = le64_to_cpu(tally.rx_unicast); + data[9] = le64_to_cpu(tally.rx_broadcast); + data[10] = le32_to_cpu(tally.rx_multicast); + data[11] = le16_to_cpu(tally.tx_aborted); + data[12] = le16_to_cpu(tally.tx_underrun); +} + +static void rtl8152_get_strings(struct net_device *dev, u32 stringset, u8 *data) +{ + switch (stringset) { + case ETH_SS_STATS: + memcpy(data, *rtl8152_gstrings, sizeof(rtl8152_gstrings)); + break; + } +} + +static int r8152_get_eee(struct r8152 *tp, struct ethtool_eee *eee) +{ + u32 ocp_data, lp, adv, supported = 0; + u16 val; + + val = r8152_mmd_read(tp, MDIO_MMD_PCS, MDIO_PCS_EEE_ABLE); + supported = mmd_eee_cap_to_ethtool_sup_t(val); + + val = r8152_mmd_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV); + adv = mmd_eee_adv_to_ethtool_adv_t(val); + + val = r8152_mmd_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_LPABLE); + lp = mmd_eee_adv_to_ethtool_adv_t(val); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR); + ocp_data &= EEE_RX_EN | EEE_TX_EN; + + eee->eee_enabled = !!ocp_data; + eee->eee_active = !!(supported & adv & lp); + eee->supported = supported; + eee->advertised = adv; + eee->lp_advertised = lp; + + return 0; +} + +static int r8152_set_eee(struct r8152 *tp, struct ethtool_eee *eee) +{ + u16 val = ethtool_adv_to_mmd_eee_adv_t(eee->advertised); + + r8152_eee_en(tp, eee->eee_enabled); + + if (!eee->eee_enabled) + val = 0; + + r8152_mmd_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, val); + + return 0; +} + +static int r8153_get_eee(struct r8152 *tp, struct ethtool_eee *eee) +{ + u32 ocp_data, lp, adv, supported = 0; + u16 val; + + val = ocp_reg_read(tp, OCP_EEE_ABLE); + supported = mmd_eee_cap_to_ethtool_sup_t(val); + + val = ocp_reg_read(tp, OCP_EEE_ADV); + adv = mmd_eee_adv_to_ethtool_adv_t(val); + + val = ocp_reg_read(tp, OCP_EEE_LPABLE); + lp = mmd_eee_adv_to_ethtool_adv_t(val); + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR); + ocp_data &= EEE_RX_EN | EEE_TX_EN; + + eee->eee_enabled = !!ocp_data; + eee->eee_active = !!(supported & adv & lp); + eee->supported = supported; + eee->advertised = adv; + eee->lp_advertised = lp; + + return 0; +} + +static int r8153_set_eee(struct r8152 *tp, struct ethtool_eee *eee) +{ + u16 val = ethtool_adv_to_mmd_eee_adv_t(eee->advertised); + + r8153_eee_en(tp, eee->eee_enabled); + + if (!eee->eee_enabled) + val = 0; + + ocp_reg_write(tp, OCP_EEE_ADV, val); + + return 0; +} + +static int +rtl_ethtool_get_eee(struct net_device *net, struct ethtool_eee *edata) +{ + struct r8152 *tp = netdev_priv(net); + int ret; + + ret = usb_autopm_get_interface(tp->intf); + if (ret < 0) + goto out; + + mutex_lock(&tp->control); + + ret = tp->rtl_ops.eee_get(tp, edata); + + mutex_unlock(&tp->control); + + usb_autopm_put_interface(tp->intf); + +out: + return ret; +} + +static int +rtl_ethtool_set_eee(struct net_device *net, struct ethtool_eee *edata) +{ + struct r8152 *tp = netdev_priv(net); + int ret; + + ret = usb_autopm_get_interface(tp->intf); + if (ret < 0) + goto out; + + mutex_lock(&tp->control); + + ret = tp->rtl_ops.eee_set(tp, edata); + if (!ret) + ret = mii_nway_restart(&tp->mii); + + mutex_unlock(&tp->control); + + usb_autopm_put_interface(tp->intf); + +out: + return ret; +} + +static int rtl8152_nway_reset(struct net_device *dev) +{ + struct r8152 *tp = netdev_priv(dev); + int ret; - return rtl8152_set_speed(tp, cmd->autoneg, cmd->speed, cmd->duplex); + ret = usb_autopm_get_interface(tp->intf); + if (ret < 0) + goto out; + + mutex_lock(&tp->control); + + ret = mii_nway_restart(&tp->mii); + + mutex_unlock(&tp->control); + + usb_autopm_put_interface(tp->intf); + +out: + return ret; +} + +static int rtl8152_get_coalesce(struct net_device *netdev, + struct ethtool_coalesce *coalesce) +{ + struct r8152 *tp = netdev_priv(netdev); + + switch (tp->version) { + case RTL_VER_01: + case RTL_VER_02: + return -EOPNOTSUPP; + default: + break; + } + + coalesce->rx_coalesce_usecs = tp->coalesce; + + return 0; +} + +static int rtl8152_set_coalesce(struct net_device *netdev, + struct ethtool_coalesce *coalesce) +{ + struct r8152 *tp = netdev_priv(netdev); + int ret; + + switch (tp->version) { + case RTL_VER_01: + case RTL_VER_02: + return -EOPNOTSUPP; + default: + break; + } + + if (coalesce->rx_coalesce_usecs > COALESCE_SLOW) + return -EINVAL; + + ret = usb_autopm_get_interface(tp->intf); + if (ret < 0) + return ret; + + mutex_lock(&tp->control); + + if (tp->coalesce != coalesce->rx_coalesce_usecs) { + tp->coalesce = coalesce->rx_coalesce_usecs; + + if (netif_running(tp->netdev) && netif_carrier_ok(netdev)) + r8153_set_rx_early_timeout(tp); + } + + mutex_unlock(&tp->control); + + usb_autopm_put_interface(tp->intf); + + return ret; } static struct ethtool_ops ops = { @@ -1556,13 +3968,32 @@ .get_settings = rtl8152_get_settings, .set_settings = rtl8152_set_settings, .get_link = ethtool_op_get_link, + .nway_reset = rtl8152_nway_reset, + .get_msglevel = rtl8152_get_msglevel, + .set_msglevel = rtl8152_set_msglevel, + .get_wol = rtl8152_get_wol, + .set_wol = rtl8152_set_wol, + .get_strings = rtl8152_get_strings, + .get_sset_count = rtl8152_get_sset_count, + .get_ethtool_stats = rtl8152_get_ethtool_stats, + .get_coalesce = rtl8152_get_coalesce, + .set_coalesce = rtl8152_set_coalesce, + .get_eee = rtl_ethtool_get_eee, + .set_eee = rtl_ethtool_set_eee, }; static int rtl8152_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) { struct r8152 *tp = netdev_priv(netdev); struct mii_ioctl_data *data = if_mii(rq); - int res = 0; + int res; + + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return -ENODEV; + + res = usb_autopm_get_interface(tp->intf); + if (res < 0) + goto out; switch (cmd) { case SIOCGMIIPHY: @@ -1570,7 +4001,9 @@ break; case SIOCGMIIREG: + mutex_lock(&tp->control); data->val_out = r8152_mdio_read(tp, data->reg_num); + mutex_unlock(&tp->control); break; case SIOCSMIIREG: @@ -1578,27 +4011,67 @@ res = -EPERM; break; } + mutex_lock(&tp->control); r8152_mdio_write(tp, data->reg_num, data->val_in); + mutex_unlock(&tp->control); break; default: res = -EOPNOTSUPP; } + usb_autopm_put_interface(tp->intf); + +out: return res; } +static int rtl8152_change_mtu(struct net_device *dev, int new_mtu) +{ + struct r8152 *tp = netdev_priv(dev); + int ret; + + switch (tp->version) { + case RTL_VER_01: + case RTL_VER_02: + return eth_change_mtu(dev, new_mtu); + default: + break; + } + + if (new_mtu < 68 || new_mtu > RTL8153_MAX_MTU) + return -EINVAL; + + ret = usb_autopm_get_interface(tp->intf); + if (ret < 0) + return ret; + + mutex_lock(&tp->control); + + dev->mtu = new_mtu; + + if (netif_running(dev) && netif_carrier_ok(dev)) + r8153_set_rx_early_size(tp); + + mutex_unlock(&tp->control); + + usb_autopm_put_interface(tp->intf); + + return ret; +} + static const struct net_device_ops rtl8152_netdev_ops = { .ndo_open = rtl8152_open, .ndo_stop = rtl8152_close, .ndo_do_ioctl = rtl8152_ioctl, .ndo_start_xmit = rtl8152_start_xmit, .ndo_tx_timeout = rtl8152_tx_timeout, + .ndo_set_features = rtl8152_set_features, .ndo_set_rx_mode = rtl8152_set_rx_mode, .ndo_set_mac_address = rtl8152_set_mac_address, - - .ndo_change_mtu = eth_change_mtu, + .ndo_change_mtu = rtl8152_change_mtu, .ndo_validate_addr = eth_validate_addr, + .ndo_features_check = rtl8152_features_check, }; static void r8152b_get_version(struct r8152 *tp) @@ -1616,6 +4089,22 @@ case 0x4c10: tp->version = RTL_VER_02; break; + case 0x5c00: + tp->version = RTL_VER_03; + tp->mii.supports_gmii = 1; + break; + case 0x5c10: + tp->version = RTL_VER_04; + tp->mii.supports_gmii = 1; + break; + case 0x5c20: + tp->version = RTL_VER_05; + tp->mii.supports_gmii = 1; + break; + case 0x5c30: + tp->version = RTL_VER_06; + tp->mii.supports_gmii = 1; + break; default: netif_info(tp, probe, tp->netdev, "Unknown version 0x%04x\n", version); @@ -1623,37 +4112,124 @@ } } +static void rtl8152_unload(struct r8152 *tp) +{ + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return; + + if (tp->version != RTL_VER_01) + r8152_power_cut_en(tp, true); +} + +static void rtl8153_unload(struct r8152 *tp) +{ + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return; + + r8153_power_cut_en(tp, false); +} + +static int rtl_ops_init(struct r8152 *tp) +{ + struct rtl_ops *ops = &tp->rtl_ops; + int ret = 0; + + switch (tp->version) { + case RTL_VER_01: + case RTL_VER_02: + ops->init = r8152b_init; + ops->enable = rtl8152_enable; + ops->disable = rtl8152_disable; + ops->up = rtl8152_up; + ops->down = rtl8152_down; + ops->unload = rtl8152_unload; + ops->eee_get = r8152_get_eee; + ops->eee_set = r8152_set_eee; + ops->in_nway = rtl8152_in_nway; + break; + + case RTL_VER_03: + case RTL_VER_04: + case RTL_VER_05: + case RTL_VER_06: + ops->init = r8153_init; + ops->enable = rtl8153_enable; + ops->disable = rtl8153_disable; + ops->up = rtl8153_up; + ops->down = rtl8153_down; + ops->unload = rtl8153_unload; + ops->eee_get = r8153_get_eee; + ops->eee_set = r8153_set_eee; + ops->in_nway = rtl8153_in_nway; + break; + + default: + ret = -ENODEV; + netif_err(tp, probe, tp->netdev, "Unknown Device\n"); + break; + } + + return ret; +} + static int rtl8152_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct usb_device *udev = interface_to_usbdev(intf); struct r8152 *tp; struct net_device *netdev; + int ret; if (udev->actconfig->desc.bConfigurationValue != 1) { usb_driver_set_configuration(udev, 1); return -ENODEV; } + usb_reset_device(udev); netdev = alloc_etherdev(sizeof(struct r8152)); if (!netdev) { - dev_err(&intf->dev, "Out of memory"); + dev_err(&intf->dev, "Out of memory\n"); return -ENOMEM; } + SET_NETDEV_DEV(netdev, &intf->dev); tp = netdev_priv(netdev); tp->msg_enable = 0x7FFF; - tasklet_init(&tp->tl, rx_fixup, (unsigned long)tp); - INIT_DELAYED_WORK(&tp->schedule, rtl_work_func_t); - tp->udev = udev; tp->netdev = netdev; + tp->intf = intf; + + r8152b_get_version(tp); + ret = rtl_ops_init(tp); + if (ret) + goto out; + + mutex_init(&tp->control); + INIT_DELAYED_WORK(&tp->schedule, rtl_work_func_t); + netdev->netdev_ops = &rtl8152_netdev_ops; netdev->watchdog_timeo = RTL8152_TX_TIMEOUT; - netdev->features &= ~NETIF_F_IP_CSUM; - SET_ETHTOOL_OPS(netdev, &ops); - tp->speed = 0; + + netdev->features |= NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG | + NETIF_F_TSO | NETIF_F_FRAGLIST | NETIF_F_IPV6_CSUM | + NETIF_F_TSO6 | NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_HW_VLAN_CTAG_TX; + netdev->hw_features = NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG | + NETIF_F_TSO | NETIF_F_FRAGLIST | + NETIF_F_IPV6_CSUM | NETIF_F_TSO6 | + NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_TX; + netdev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | + NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | + NETIF_F_IPV6_CSUM | NETIF_F_TSO6; + + if (tp->version == RTL_VER_01) { + netdev->features &= ~NETIF_F_RXCSUM; + netdev->hw_features &= ~NETIF_F_RXCSUM; + } + + netdev->ethtool_ops = &ops; + netif_set_gso_max_size(netdev, RTL_LIMITED_TSO_SIZE); tp->mii.dev = netdev; tp->mii.mdio_read = read_mii_word; @@ -1661,58 +4237,52 @@ tp->mii.phy_id_mask = 0x3f; tp->mii.reg_num_mask = 0x1f; tp->mii.phy_id = R8152_PHY_ID; - tp->mii.supports_gmii = 0; - - r8152b_get_version(tp); - r8152b_init(tp); - set_ethernet_addr(tp); - if (!alloc_all_urbs(tp)) { - netif_err(tp, probe, netdev, "out of memory"); - goto out; + switch (udev->speed) { + case USB_SPEED_SUPER: + tp->coalesce = COALESCE_SUPER; + break; + case USB_SPEED_HIGH: + tp->coalesce = COALESCE_HIGH; + break; + default: + tp->coalesce = COALESCE_SLOW; + break; } - tp->rx_skb = netdev_alloc_skb(netdev, - RTL8152_RMS + sizeof(struct rx_desc)); - if (!tp->rx_skb) - goto out1; + intf->needs_remote_wakeup = 1; - usb_set_intfdata(intf, tp); - SET_NETDEV_DEV(netdev, &intf->dev); + tp->rtl_ops.init(tp); + set_ethernet_addr(tp); + usb_set_intfdata(intf, tp); + netif_napi_add(netdev, &tp->napi, r8152_poll, RTL8152_NAPI_WEIGHT); - if (register_netdev(netdev) != 0) { - netif_err(tp, probe, netdev, "couldn't register the device"); - goto out2; + ret = register_netdev(netdev); + if (ret != 0) { + netif_err(tp, probe, netdev, "couldn't register the device\n"); + goto out1; } - netif_info(tp, probe, netdev, "%s", DRIVER_VERSION); + if (!rtl_can_wakeup(tp)) + __rtl_set_wol(tp, 0); + + tp->saved_wolopts = __rtl_get_wol(tp); + if (tp->saved_wolopts) + device_set_wakeup_enable(&udev->dev, true); + else + device_set_wakeup_enable(&udev->dev, false); + + netif_info(tp, probe, netdev, "%s\n", DRIVER_VERSION); return 0; -out2: - usb_set_intfdata(intf, NULL); - dev_kfree_skb(tp->rx_skb); out1: - free_all_urbs(tp); + netif_napi_del(&tp->napi); + usb_set_intfdata(intf, NULL); out: free_netdev(netdev); - return -EIO; -} - -static void rtl8152_unload(struct r8152 *tp) -{ - u32 ocp_data; - - if (tp->version != RTL_VER_01) { - ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL); - ocp_data |= POWER_CUT; - ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data); - } - - ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS); - ocp_data &= ~RWSUME_INDICATE; - ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data); + return ret; } static void rtl8152_disconnect(struct usb_interface *intf) @@ -1721,20 +4291,42 @@ usb_set_intfdata(intf, NULL); if (tp) { - set_bit(RTL8152_UNPLUG, &tp->flags); - tasklet_kill(&tp->tl); + struct usb_device *udev = tp->udev; + + if (udev->state == USB_STATE_NOTATTACHED) + set_bit(RTL8152_UNPLUG, &tp->flags); + + netif_napi_del(&tp->napi); unregister_netdev(tp->netdev); - rtl8152_unload(tp); - free_all_urbs(tp); - if (tp->rx_skb) - dev_kfree_skb(tp->rx_skb); + tp->rtl_ops.unload(tp); free_netdev(tp->netdev); } } +#define REALTEK_USB_DEVICE(vend, prod) \ + .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \ + USB_DEVICE_ID_MATCH_INT_CLASS, \ + .idVendor = (vend), \ + .idProduct = (prod), \ + .bInterfaceClass = USB_CLASS_VENDOR_SPEC \ +}, \ +{ \ + .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | \ + USB_DEVICE_ID_MATCH_DEVICE, \ + .idVendor = (vend), \ + .idProduct = (prod), \ + .bInterfaceClass = USB_CLASS_COMM, \ + .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \ + .bInterfaceProtocol = USB_CDC_PROTO_NONE + /* table of devices that work with this driver */ static struct usb_device_id rtl8152_table[] = { - {USB_DEVICE(VENDOR_ID_REALTEK, PRODUCT_ID_RTL8152)}, + {REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8152)}, + {REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8153)}, + {REALTEK_USB_DEVICE(VENDOR_ID_SAMSUNG, 0xa101)}, + {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x7205)}, + {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x304f)}, + {REALTEK_USB_DEVICE(VENDOR_ID_NVIDIA, 0x09ff)}, {} }; @@ -1742,25 +4334,19 @@ static struct usb_driver rtl8152_driver = { .name = MODULENAME, + .id_table = rtl8152_table, .probe = rtl8152_probe, .disconnect = rtl8152_disconnect, - .id_table = rtl8152_table, .suspend = rtl8152_suspend, - .resume = rtl8152_resume + .resume = rtl8152_resume, + .reset_resume = rtl8152_reset_resume, + .pre_reset = rtl8152_pre_reset, + .post_reset = rtl8152_post_reset, + .supports_autosuspend = 1, + .disable_hub_initiated_lpm = 1, }; -static int __init usb_rtl8152_init(void) -{ - return usb_register(&rtl8152_driver); -} - -static void __exit usb_rtl8152_exit(void) -{ - usb_deregister(&rtl8152_driver); -} - -module_init(usb_rtl8152_init); -module_exit(usb_rtl8152_exit); +module_usb_driver(rtl8152_driver); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC);