--- /dev/null
+#ifndef __LINUX_USBNET_ASIX_H
+#define __LINUX_USBNET_ASIX_H
+
+/*
+ * Turn on this flag if the implementation of your USB host controller
+ * cannot handle non-double word aligned buffer.
+ * When turn on this flag, driver will fixup egress packet aligned on double
+ * word boundary before deliver to USB host controller. And will Disable the
+ * function "skb_reserve (skb, NET_IP_ALIGN)" to retain the buffer aligned on
+ * double word alignment for ingress packets.
+ */
+#define AX_FORCE_BUFF_ALIGN 1
+
+#define AX_MONITOR_MODE 0x01
+#define AX_MONITOR_LINK 0x02
+#define AX_MONITOR_MAGIC 0x04
+#define AX_MONITOR_HSFS 0x10
+
+/* AX88172 Medium Status Register values */
+#define AX_MEDIUM_FULL_DUPLEX 0x02
+#define AX_MEDIUM_TX_ABORT_ALLOW 0x04
+#define AX_MEDIUM_FLOW_CONTROL_EN 0x10
+#define AX_MCAST_FILTER_SIZE 8
+#define AX_MAX_MCAST 64
+
+#define AX_EEPROM_LEN 0x40
+
+#define AX_SWRESET_CLEAR 0x00
+#define AX_SWRESET_RR 0x01
+#define AX_SWRESET_RT 0x02
+#define AX_SWRESET_PRTE 0x04
+#define AX_SWRESET_PRL 0x08
+#define AX_SWRESET_BZ 0x10
+#define AX_SWRESET_IPRL 0x20
+#define AX_SWRESET_IPPD 0x40
+#define AX_SWRESET_IPOSC 0x0080
+#define AX_SWRESET_IPPSL_0 0x0100
+#define AX_SWRESET_IPPSL_1 0x0200
+#define AX_SWRESET_IPCOPS 0x0400
+#define AX_SWRESET_IPCOPSC 0x0800
+#define AX_SWRESET_AUTODETACH 0x1000
+#define AX_SWRESET_WOLLP 0x8000
+
+#define AX88772_IPG0_DEFAULT 0x15
+#define AX88772_IPG1_DEFAULT 0x0c
+#define AX88772_IPG2_DEFAULT 0x0E
+
+#define AX88772A_IPG0_DEFAULT 0x15
+#define AX88772A_IPG1_DEFAULT 0x16
+#define AX88772A_IPG2_DEFAULT 0x1A
+
+#define AX88772_MEDIUM_FULL_DUPLEX 0x0002
+#define AX88772_MEDIUM_RESERVED 0x0004
+#define AX88772_MEDIUM_RX_FC_ENABLE 0x0010
+#define AX88772_MEDIUM_TX_FC_ENABLE 0x0020
+#define AX88772_MEDIUM_PAUSE_FORMAT 0x0080
+#define AX88772_MEDIUM_RX_ENABLE 0x0100
+#define AX88772_MEDIUM_100MB 0x0200
+#define AX88772_MEDIUM_DEFAULT \
+ (AX88772_MEDIUM_FULL_DUPLEX | AX88772_MEDIUM_RX_FC_ENABLE | \
+ AX88772_MEDIUM_TX_FC_ENABLE | AX88772_MEDIUM_100MB | \
+ AX88772_MEDIUM_RESERVED | AX88772_MEDIUM_RX_ENABLE )
+
+#define AX_CMD_SET_SW_MII 0x06
+#define AX_CMD_READ_MII_REG 0x07
+#define AX_CMD_WRITE_MII_REG 0x08
+#define AX_CMD_SET_HW_MII 0x0a
+#define AX_CMD_READ_EEPROM 0x0b
+#define AX_CMD_WRITE_EEPROM 0x0c
+#define AX_CMD_WRITE_EEPROM_EN 0x0d
+#define AX_CMD_WRITE_EEPROM_DIS 0x0e
+#define AX_CMD_WRITE_RX_CTL 0x10
+#define AX_CMD_READ_IPG012 0x11
+#define AX_CMD_WRITE_IPG0 0x12
+#define AX_CMD_WRITE_IPG1 0x13
+#define AX_CMD_WRITE_IPG2 0x14
+#define AX_CMD_WRITE_MULTI_FILTER 0x16
+#define AX_CMD_READ_NODE_ID 0x17
+#define AX_CMD_READ_PHY_ID 0x19
+#define AX_CMD_READ_MEDIUM_MODE 0x1a
+#define AX_CMD_WRITE_MEDIUM_MODE 0x1b
+#define AX_CMD_READ_MONITOR_MODE 0x1c
+#define AX_CMD_WRITE_MONITOR_MODE 0x1d
+#define AX_CMD_WRITE_GPIOS 0x1f
+#define AX_CMD_SW_RESET 0x20
+#define AX_CMD_SW_PHY_STATUS 0x21
+#define AX_CMD_SW_PHY_SELECT 0x22
+ #define AX_PHYSEL_PSEL (1 << 0)
+ #define AX_PHYSEL_ASEL (1 << 1)
+ #define AX_PHYSEL_SSMII (1 << 2)
+ #define AX_PHYSEL_SSRMII (2 << 2)
+ #define AX_PHYSEL_SSRRMII (3 << 2)
+ #define AX_PHYSEL_SSEN (1 << 4)
+#define AX88772_CMD_READ_NODE_ID 0x13
+#define AX88772_CMD_WRITE_NODE_ID 0x14
+#define AX_CMD_READ_RXCOE_CTL 0x2b
+#define AX_CMD_WRITE_RXCOE_CTL 0x2c
+#define AX_CMD_READ_TXCOE_CTL 0x2d
+#define AX_CMD_WRITE_TXCOE_CTL 0x2e
+
+#define REG_LENGTH 2
+#define PHY_ID_MASK 0x1f
+
+#define AX_RXCOE_IPCE 0x0001
+#define AX_RXCOE_IPVE 0x0002
+#define AX_RXCOE_V6VE 0x0004
+#define AX_RXCOE_TCPE 0x0008
+#define AX_RXCOE_UDPE 0x0010
+#define AX_RXCOE_ICMP 0x0020
+#define AX_RXCOE_IGMP 0x0040
+#define AX_RXCOE_ICV6 0x0080
+#define AX_RXCOE_TCPV6 0x0100
+#define AX_RXCOE_UDPV6 0x0200
+#define AX_RXCOE_ICMV6 0x0400
+#define AX_RXCOE_IGMV6 0x0800
+#define AX_RXCOE_ICV6V6 0x1000
+#define AX_RXCOE_FOPC 0x8000
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,22)
+#define AX_RXCOE_DEF_CSUM (AX_RXCOE_IPCE | AX_RXCOE_IPVE | \
+ AX_RXCOE_V6VE | AX_RXCOE_TCPE | \
+ AX_RXCOE_UDPE | AX_RXCOE_ICV6 | \
+ AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6)
+#else
+#define AX_RXCOE_DEF_CSUM (AX_RXCOE_IPCE | AX_RXCOE_IPVE | \
+ AX_RXCOE_TCPE | AX_RXCOE_UDPE)
+#endif
+
+#define AX_RXCOE_64TE 0x0100
+#define AX_RXCOE_PPPOE 0x0200
+#define AX_RXCOE_RPCE 0x8000
+
+#define AX_TXCOE_IP 0x0001
+#define AX_TXCOE_TCP 0x0002
+#define AX_TXCOE_UDP 0x0004
+#define AX_TXCOE_ICMP 0x0008
+#define AX_TXCOE_IGMP 0x0010
+#define AX_TXCOE_ICV6 0x0020
+
+#define AX_TXCOE_TCPV6 0x0100
+#define AX_TXCOE_UDPV6 0x0200
+#define AX_TXCOE_ICMV6 0x0400
+#define AX_TXCOE_IGMV6 0x0800
+#define AX_TXCOE_ICV6V6 0x1000
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,22)
+#define AX_TXCOE_DEF_CSUM (AX_TXCOE_TCP | AX_TXCOE_UDP | \
+ AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6)
+#else
+#define AX_TXCOE_DEF_CSUM (AX_TXCOE_TCP | AX_TXCOE_UDP)
+#endif
+
+#define AX_TXCOE_64TE 0x0001
+#define AX_TXCOE_PPPE 0x0002
+
+#define AX88772B_MAX_BULKIN_2K 0
+#define AX88772B_MAX_BULKIN_4K 1
+#define AX88772B_MAX_BULKIN_6K 2
+#define AX88772B_MAX_BULKIN_8K 3
+#define AX88772B_MAX_BULKIN_16K 4
+#define AX88772B_MAX_BULKIN_20K 5
+#define AX88772B_MAX_BULKIN_24K 6
+#define AX88772B_MAX_BULKIN_32K 7
+struct {unsigned short size, byte_cnt,threshold;} AX88772B_BULKIN_SIZE[] =
+{
+ /* 2k */
+ {2048, 0x8000, 0x8001},
+ /* 4k */
+ {4096, 0x8100, 0x8147},
+ /* 6k */
+ {6144, 0x8200, 0x81EB},
+ /* 8k */
+ {8192, 0x8300, 0x83D7},
+ /* 16 */
+ {16384, 0x8400, 0x851E},
+ /* 20k */
+ {20480, 0x8500, 0x8666},
+ /* 24k */
+ {24576, 0x8600, 0x87AE},
+ /* 32k */
+ {32768, 0x8700, 0x8A3D},
+};
+
+
+#define AX_RX_CTL_RH1M 0x0100 /* Enable RX-Header mode 0 */
+#define AX_RX_CTL_RH2M 0x0200 /* Enable IP header in receive buffer aligned on 32-bit aligment */
+#define AX_RX_CTL_RH3M 0x0400 /* checksum value in rx header 3 */
+#define AX_RX_HEADER_DEFAULT (AX_RX_CTL_RH1M | AX_RX_CTL_RH2M)
+
+#define AX_RX_CTL_MFB 0x0300 /* Maximum Frame size 16384bytes */
+#define AX_RX_CTL_START 0x0080 /* Ethernet MAC start */
+#define AX_RX_CTL_AP 0x0020 /* Accept physcial address from Multicast array */
+#define AX_RX_CTL_AM 0x0010
+#define AX_RX_CTL_AB 0x0008 /* Accetp Brocadcast frames*/
+#define AX_RX_CTL_SEP 0x0004 /* Save error packets */
+#define AX_RX_CTL_AMALL 0x0002 /* Accetp all multicast frames */
+#define AX_RX_CTL_PRO 0x0001 /* Promiscuous Mode */
+#define AX_RX_CTL_STOP 0x0000 /* Stop MAC */
+
+#define AX_MONITOR_MODE 0x01
+#define AX_MONITOR_LINK 0x02
+#define AX_MONITOR_MAGIC 0x04
+#define AX_MONITOR_HSFS 0x10
+
+#define AX_MCAST_FILTER_SIZE 8
+#define AX_MAX_MCAST 64
+#define AX_INTERRUPT_BUFSIZE 8
+
+#define AX_EEPROM_LEN 0x40
+#define AX_EEPROM_MAGIC 0xdeadbeef
+#define EEPROMMASK 0x7f
+
+/* GPIO REGISTER */
+#define AXGPIOS_GPO0EN 0X01 // 1 << 0
+#define AXGPIOS_GPO0 0X02 // 1 << 1
+#define AXGPIOS_GPO1EN 0X04 // 1 << 2
+#define AXGPIOS_GPO1 0X08 // 1 << 3
+#define AXGPIOS_GPO2EN 0X10 // 1 << 4
+#define AXGPIOS_GPO2 0X20 // 1 << 5
+#define AXGPIOS_RSE 0X80 // 1 << 7
+
+/* TX-header format */
+#define AX_TX_HDR_CPHI 0x4000
+#define AX_TX_HDR_DICF 0x8000
+
+// GMII register definitions
+#define GMII_PHY_CONTROL 0x00 // control reg
+#define GMII_PHY_STATUS 0x01 // status reg
+#define GMII_PHY_OUI 0x02 // most of the OUI bits
+#define GMII_PHY_MODEL 0x03 // model/rev bits, and rest of OUI
+#define GMII_PHY_ANAR 0x04 // AN advertisement reg
+#define GMII_PHY_ANLPAR 0x05 // AN Link Partner
+#define GMII_PHY_ANER 0x06 // AN expansion reg
+#define GMII_PHY_1000BT_CONTROL 0x09 // control reg for 1000BT
+#define GMII_PHY_1000BT_STATUS 0x0A // status reg for 1000BT
+
+// Bit definitions: GMII Control
+#define GMII_CONTROL_RESET 0x8000 // reset bit in control reg
+#define GMII_CONTROL_LOOPBACK 0x4000 // loopback bit in control reg
+#define GMII_CONTROL_10MB 0x0000 // 10 Mbit
+#define GMII_CONTROL_100MB 0x2000 // 100Mbit
+#define GMII_CONTROL_1000MB 0x0040 // 1000Mbit
+#define GMII_CONTROL_SPEED_BITS 0x2040 // speed bit mask
+#define GMII_CONTROL_ENABLE_AUTO 0x1000 // autonegotiate enable
+#define GMII_CONTROL_POWER_DOWN 0x0800
+#define GMII_CONTROL_ISOLATE 0x0400 // islolate bit
+#define GMII_CONTROL_START_AUTO 0x0200 // restart autonegotiate
+#define GMII_CONTROL_FULL_DUPLEX 0x0100
+
+// Bit definitions: GMII Status
+#define GMII_STATUS_100MB_MASK 0xE000 // any of these indicate 100 Mbit
+#define GMII_STATUS_10MB_MASK 0x1800 // either of these indicate 10 Mbit
+#define GMII_STATUS_AUTO_DONE 0x0020 // auto negotiation complete
+#define GMII_STATUS_AUTO 0x0008 // auto negotiation is available
+#define GMII_STATUS_LINK_UP 0x0004 // link status bit
+#define GMII_STATUS_EXTENDED 0x0001 // extended regs exist
+#define GMII_STATUS_100T4 0x8000 // capable of 100BT4
+#define GMII_STATUS_100TXFD 0x4000 // capable of 100BTX full duplex
+#define GMII_STATUS_100TX 0x2000 // capable of 100BTX
+#define GMII_STATUS_10TFD 0x1000 // capable of 10BT full duplex
+#define GMII_STATUS_10T 0x0800 // capable of 10BT
+
+// Bit definitions: Auto-Negotiation Advertisement
+#define GMII_ANAR_ASYM_PAUSE 0x0800 // support asymetric pause
+#define GMII_ANAR_PAUSE 0x0400 // support pause packets
+#define GMII_ANAR_100T4 0x0200 // support 100BT4
+#define GMII_ANAR_100TXFD 0x0100 // support 100BTX full duplex
+#define GMII_ANAR_100TX 0x0080 // support 100BTX half duplex
+#define GMII_ANAR_10TFD 0x0040 // support 10BT full duplex
+#define GMII_ANAR_10T 0x0020 // support 10BT half duplex
+#define GMII_SELECTOR_FIELD 0x001F // selector field.
+
+// Bit definitions: Auto-Negotiation Link Partner Ability
+#define GMII_ANLPAR_100T4 0x0200 // support 100BT4
+#define GMII_ANLPAR_100TXFD 0x0100 // support 100BTX full duplex
+#define GMII_ANLPAR_100TX 0x0080 // support 100BTX half duplex
+#define GMII_ANLPAR_10TFD 0x0040 // support 10BT full duplex
+#define GMII_ANLPAR_10T 0x0020 // support 10BT half duplex
+#define GMII_ANLPAR_PAUSE 0x0400 // support pause packets
+#define GMII_ANLPAR_ASYM_PAUSE 0x0800 // support asymetric pause
+#define GMII_ANLPAR_ACK 0x4000 // means LCB was successfully rx'd
+#define GMII_SELECTOR_8023 0x0001;
+
+// Bit definitions: 1000BaseT AUX Control
+#define GMII_1000_AUX_CTRL_MASTER_SLAVE 0x1000
+#define GMII_1000_AUX_CTRL_FD_CAPABLE 0x0200 // full duplex capable
+#define GMII_1000_AUX_CTRL_HD_CAPABLE 0x0100 // half duplex capable
+
+// Bit definitions: 1000BaseT AUX Status
+#define GMII_1000_AUX_STATUS_FD_CAPABLE 0x0800 // full duplex capable
+#define GMII_1000_AUX_STATUS_HD_CAPABLE 0x0400 // half duplex capable
+
+// Cicada MII Registers
+#define GMII_AUX_CTRL_STATUS 0x1C
+#define GMII_AUX_ANEG_CPLT 0x8000
+#define GMII_AUX_FDX 0x0020
+#define GMII_AUX_SPEED_1000 0x0010
+#define GMII_AUX_SPEED_100 0x0008
+
+#ifndef ADVERTISE_PAUSE_CAP
+#define ADVERTISE_PAUSE_CAP 0x0400
+#endif
+
+#ifndef MII_STAT1000
+#define MII_STAT1000 0x000A
+#endif
+
+#ifndef LPA_1000FULL
+#define LPA_1000FULL 0x0800
+#endif
+
+// medium mode register
+#define MEDIUM_GIGA_MODE 0x0001
+#define MEDIUM_FULL_DUPLEX_MODE 0x0002
+#define MEDIUM_TX_ABORT_MODE 0x0004
+#define MEDIUM_ENABLE_125MHZ 0x0008
+#define MEDIUM_ENABLE_RX_FLOWCTRL 0x0010
+#define MEDIUM_ENABLE_TX_FLOWCTRL 0x0020
+#define MEDIUM_ENABLE_JUMBO_FRAME 0x0040
+#define MEDIUM_CHECK_PAUSE_FRAME_MODE 0x0080
+#define MEDIUM_ENABLE_RECEIVE 0x0100
+#define MEDIUM_MII_100M_MODE 0x0200
+#define MEDIUM_ENABLE_JAM_PATTERN 0x0400
+#define MEDIUM_ENABLE_STOP_BACKPRESSURE 0x0800
+#define MEDIUM_ENABLE_SUPPER_MAC_SUPPORT 0x1000
+
+/* PHY mode */
+#define PHY_MODE_MARVELL 0
+#define PHY_MODE_CICADA_FAMILY 1
+#define PHY_MODE_CICADA_V1 1
+#define PHY_MODE_AGERE_FAMILY 2
+#define PHY_MODE_AGERE_V0 2
+#define PHY_MODE_CICADA_V2 5
+#define PHY_MODE_AGERE_V0_GMII 6
+#define PHY_MODE_CICADA_V2_ASIX 9
+#define PHY_MODE_VSC8601 10
+#define PHY_MODE_RTL8211CL 12
+#define PHY_MODE_RTL8211BN 13
+#define PHY_MODE_RTL8251CL 14
+#define PHY_MODE_ATTANSIC_V0 0x40
+#define PHY_MODE_ATTANSIC_FAMILY 0x40
+#define PHY_MODE_MAC_TO_MAC_GMII 0x7C
+
+/* */
+#define LED_MODE_MARVELL 0
+#define LED_MODE_CAMEO 1
+
+#define MARVELL_LED_CTRL 0x18
+#define MARVELL_MANUAL_LED 0x19
+
+#define PHY_IDENTIFIER 0x0002
+#define PHY_AGERE_IDENTIFIER 0x0282
+#define PHY_CICADA_IDENTIFIER 0x000f
+#define PHY_MARVELL_IDENTIFIER 0x0141
+
+#define PHY_MARVELL_STATUS 0x001b
+#define MARVELL_STATUS_HWCFG 0x0004 /* SGMII without clock */
+
+#define PHY_MARVELL_CTRL 0x0014
+#define MARVELL_CTRL_RXDELAY 0x0080
+#define MARVELL_CTRL_TXDELAY 0x0002
+
+#define PHY_CICADA_EXTPAGE 0x001f
+#define CICADA_EXTPAGE_EN 0x0001
+#define CICADA_EXTPAGE_DIS 0x0000
+
+
+struct {unsigned short value, offset; } CICADA_FAMILY_HWINIT[] =
+{
+ {0x0001, 0x001f}, {0x1c25, 0x0017}, {0x2a30, 0x001f}, {0x234c, 0x0010},
+ {0x2a30, 0x001f}, {0x0212, 0x0008}, {0x52b5, 0x001f}, {0xa7fa, 0x0000},
+ {0x0012, 0x0002}, {0x3002, 0x0001}, {0x87fa, 0x0000}, {0x52b5, 0x001f},
+ {0xafac, 0x0000}, {0x000d, 0x0002}, {0x001c, 0x0001}, {0x8fac, 0x0000},
+ {0x2a30, 0x001f}, {0x0012, 0x0008}, {0x2a30, 0x001f}, {0x0400, 0x0014},
+ {0x2a30, 0x001f}, {0x0212, 0x0008}, {0x52b5, 0x001f}, {0xa760, 0x0000},
+ {0x0000, 0x0002}, {0xfaff, 0x0001}, {0x8760, 0x0000}, {0x52b5, 0x001f},
+ {0xa760, 0x0000}, {0x0000, 0x0002}, {0xfaff, 0x0001}, {0x8760, 0x0000},
+ {0x52b5, 0x001f}, {0xafae, 0x0000}, {0x0004, 0x0002}, {0x0671, 0x0001},
+ {0x8fae, 0x0000}, {0x2a30, 0x001f}, {0x0012, 0x0008}, {0x0000, 0x001f},
+};
+
+struct {unsigned short value, offset; } CICADA_V2_HWINIT[] =
+{
+ {0x2a30, 0x001f}, {0x0212, 0x0008}, {0x52b5, 0x001f}, {0x000f, 0x0002},
+ {0x472a, 0x0001}, {0x8fa4, 0x0000}, {0x2a30, 0x001f}, {0x0212, 0x0008},
+ {0x0000, 0x001f},
+};
+
+struct {unsigned short value, offset; } CICADA_V2_ASIX_HWINIT[] =
+{
+ {0x2a30, 0x001f}, {0x0212, 0x0008}, {0x52b5, 0x001f}, {0x0012, 0x0002},
+ {0x3002, 0x0001}, {0x87fa, 0x0000}, {0x52b5, 0x001f}, {0x000f, 0x0002},
+ {0x472a, 0x0001}, {0x8fa4, 0x0000}, {0x2a30, 0x001f}, {0x0212, 0x0008},
+ {0x0000, 0x001f},
+};
+
+struct {unsigned short value, offset; } AGERE_FAMILY_HWINIT[] =
+{
+ {0x0800, 0x0000}, {0x0007, 0x0012}, {0x8805, 0x0010}, {0xb03e, 0x0011},
+ {0x8808, 0x0010}, {0xe110, 0x0011}, {0x8806, 0x0010}, {0xb03e, 0x0011},
+ {0x8807, 0x0010}, {0xff00, 0x0011}, {0x880e, 0x0010}, {0xb4d3, 0x0011},
+ {0x880f, 0x0010}, {0xb4d3, 0x0011}, {0x8810, 0x0010}, {0xb4d3, 0x0011},
+ {0x8817, 0x0010}, {0x1c00, 0x0011}, {0x300d, 0x0010}, {0x0001, 0x0011},
+ {0x0002, 0x0012},
+};
+
+struct ax88178_data {
+ u16 EepromData;
+ u16 MediaLink;
+ int UseGpio0;
+ int UseRgmii;
+ u8 PhyMode;
+ u8 LedMode;
+ u8 BuffaloOld;
+};
+
+enum watchdog_state {
+ AX_NOP = 0,
+ CHK_LINK, /* Routine A */
+ CHK_CABLE_EXIST, /* Called by A */
+ CHK_CABLE_EXIST_AGAIN, /* Routine B */
+ PHY_POWER_UP, /* Called by B */
+ PHY_POWER_UP_BH,
+ PHY_POWER_DOWN,
+ CHK_CABLE_STATUS, /* Routine C */
+ WAIT_AUTONEG_COMPLETE,
+ AX_SET_RX_CFG,
+};
+
+struct ax88772b_data {
+ struct usbnet *dev;
+ struct workqueue_struct *ax_work;
+ struct work_struct check_link;
+ unsigned long time_to_chk;
+ u16 psc;
+ u8 pw_enabled;
+ u8 Event;
+ u8 checksum;
+};
+
+struct ax88772a_data {
+ struct usbnet *dev;
+ struct workqueue_struct *ax_work;
+ struct work_struct check_link;
+ unsigned long autoneg_start;
+#define AX88772B_WATCHDOG (6 * HZ)
+ u8 Event;
+ u8 TickToExpire;
+ u8 DlyIndex;
+ u8 DlySel;
+ u16 EepromData;
+};
+
+struct ax88772_data {
+ struct usbnet *dev;
+ struct workqueue_struct *ax_work;
+ struct work_struct check_link;
+ unsigned long autoneg_start;
+ u8 Event;
+ u8 TickToExpire;
+};
+
+#define AX_RX_CHECKSUM 1
+#define AX_TX_CHECKSUM 2
+
+/* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */
+struct ax8817x_data {
+ u8 multi_filter[AX_MCAST_FILTER_SIZE];
+ int (*resume) (struct usb_interface *intf);
+ int (*suspend) (struct usb_interface *intf,
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,10)
+ pm_message_t message);
+#else
+ u32 message);
+#endif
+};
+
+struct ax88172_int_data {
+ u16 res1;
+#define AX_INT_PPLS_LINK (1 << 0)
+#define AX_INT_SPLS_LINK (1 << 1)
+#define AX_INT_CABOFF_UNPLUG (1 << 7)
+ u8 link;
+ u16 res2;
+ u8 status;
+ u16 res3;
+} __attribute__ ((packed));
+
+#define AX_RXHDR_L4_ERR (1 << 8)
+#define AX_RXHDR_L3_ERR (1 << 9)
+
+#define AX_RXHDR_L4_TYPE_UDP 1
+#define AX_RXHDR_L4_TYPE_ICMP 2
+#define AX_RXHDR_L4_TYPE_IGMP 3
+#define AX_RXHDR_L4_TYPE_TCP 4
+#define AX_RXHDR_L4_TYPE_TCMPV6 5
+#define AX_RXHDR_L4_TYPE_MASK 7
+
+#define AX_RXHDR_L3_TYPE_IP 1
+#define AX_RXHDR_L3_TYPE_IPV6 2
+
+struct ax88772b_rx_header {
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ u16 len:11,
+ res1:1,
+ crc:1,
+ mii:1,
+ runt:1,
+ mc_bc:1;
+
+ u16 len_bar:11,
+ res2:5;
+
+ u8 vlan_ind:3,
+ vlan_tag_striped:1,
+ pri:3,
+ res3:1;
+
+ u8 l4_csum_err:1,
+ l3_csum_err:1,
+ l4_type:3,
+ l3_type:2,
+ ce:1;
+#elif defined (__BIG_ENDIAN_BITFIELD)
+ u16 mc_bc:1,
+ runt:1,
+ mii:1,
+ crc:1,
+ res1:1,
+ len:11;
+
+ u16 res2:5,
+ len_bar:11;
+
+ u8 res3:1,
+ pri:3,
+ vlan_tag_striped:1,
+ vlan_ind:3;
+
+ u8 ce:1,
+ l3_type:2,
+ l4_type:3,
+ l3_csum_err:1,
+ l4_csum_err:1;
+#else
+#error "Please fix <asm/byteorder.h>"
+#endif
+
+} __attribute__ ((packed));
+
+#endif /* __LINUX_USBNET_ASIX_H */
+
--- /dev/null
+/*
+ * USB Network driver infrastructure
+ * Copyright (C) 2000-2005 by David Brownell
+ * Copyright (C) 2003-2005 David Hollis <dhollis@davehollis.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ * This is a generic "USB networking" framework that works with several
+ * kinds of full and high speed networking devices: host-to-host cables,
+ * smart usb peripherals, and actual Ethernet adapters.
+ *
+ * These devices usually differ in terms of control protocols (if they
+ * even have one!) and sometimes they define new framing to wrap or batch
+ * Ethernet packets. Otherwise, they talk to USB pretty much the same,
+ * so interface (un)binding, endpoint I/O queues, fault handling, and other
+ * issues can usefully be addressed by this framework.
+ */
+
+#define DEBUG // error path messages, extra info
+// #define VERBOSE // more; success messages
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ctype.h>
+#include <linux/ethtool.h>
+#include <linux/workqueue.h>
+#include <linux/mii.h>
+#include <linux/usb.h>
+/*#include <linux/usb/usbnet.h>*/
+
+#include "asix.h"
+#include "axusbnet.h"
+
+#define DRIVER_VERSION "22-Aug-2005"
+#define TAG "AX88xx------>"
+
+static void axusbnet_unlink_rx_urbs(struct usbnet *);
+
+/*-------------------------------------------------------------------------*/
+
+/*
+ * Nineteen USB 1.1 max size bulk transactions per frame (ms), max.
+ * Several dozen bytes of IPv4 data can fit in two such transactions.
+ * One maximum size Ethernet packet takes twenty four of them.
+ * For high speed, each frame comfortably fits almost 36 max size
+ * Ethernet packets (so queues should be bigger).
+ *
+ * REVISIT qlens should be members of 'struct usbnet'; the goal is to
+ * let the USB host controller be busy for 5msec or more before an irq
+ * is required, under load. Jumbograms change the equation.
+ */
+#define RX_MAX_QUEUE_MEMORY (60 * 1518)
+#define RX_QLEN(dev) (((dev)->udev->speed == USB_SPEED_HIGH) ? \
+ (RX_MAX_QUEUE_MEMORY/(dev)->rx_urb_size) : 4)
+#define TX_QLEN(dev) (((dev)->udev->speed == USB_SPEED_HIGH) ? \
+ (RX_MAX_QUEUE_MEMORY/(dev)->hard_mtu) : 4)
+
+// reawaken network queue this soon after stopping; else watchdog barks
+//#define TX_TIMEOUT_JIFFIES (5*HZ)
+#define TX_TIMEOUT_JIFFIES (30*HZ)
+
+// throttle rx/tx briefly after some faults, so khubd might disconnect()
+// us (it polls at HZ/4 usually) before we report too many false errors.
+#define THROTTLE_JIFFIES (HZ/8)
+
+// between wakeups
+#define UNLINK_TIMEOUT_MS 3
+
+/*-------------------------------------------------------------------------*/
+
+static const char driver_name [] = "axusbnet";
+
+/* use ethtool to change the level for any given device */
+static int msg_level = -1;
+module_param (msg_level, int, 0);
+MODULE_PARM_DESC (msg_level, "Override default message level");
+
+/*-------------------------------------------------------------------------*/
+
+/* handles CDC Ethernet and many other network "bulk data" interfaces */
+static
+int axusbnet_get_endpoints(struct usbnet *dev, struct usb_interface *intf)
+{
+ int tmp;
+ struct usb_host_interface *alt = NULL;
+ struct usb_host_endpoint *in = NULL, *out = NULL;
+ struct usb_host_endpoint *status = NULL;
+
+ for (tmp = 0; tmp < intf->num_altsetting; tmp++) {
+ unsigned ep;
+
+ in = out = status = NULL;
+ alt = intf->altsetting + tmp;
+
+ /* take the first altsetting with in-bulk + out-bulk;
+ * remember any status endpoint, just in case;
+ * ignore other endpoints and altsetttings.
+ */
+ for (ep = 0; ep < alt->desc.bNumEndpoints; ep++) {
+ struct usb_host_endpoint *e;
+ int intr = 0;
+
+ e = alt->endpoint + ep;
+ switch (e->desc.bmAttributes) {
+ case USB_ENDPOINT_XFER_INT:
+ if (!(e->desc.bEndpointAddress & USB_DIR_IN))
+ continue;
+ intr = 1;
+ /* FALLTHROUGH */
+ case USB_ENDPOINT_XFER_BULK:
+ break;
+ default:
+ continue;
+ }
+ if (e->desc.bEndpointAddress & USB_DIR_IN) {
+ if (!intr && !in)
+ in = e;
+ else if (intr && !status)
+ status = e;
+ } else {
+ if (!out)
+ out = e;
+ }
+ }
+ if (in && out)
+ break;
+ }
+ if (!alt || !in || !out)
+ return -EINVAL;
+
+ if (alt->desc.bAlternateSetting != 0
+ || !(dev->driver_info->flags & FLAG_NO_SETINT)) {
+ tmp = usb_set_interface (dev->udev, alt->desc.bInterfaceNumber,
+ alt->desc.bAlternateSetting);
+ if (tmp < 0)
+ return tmp;
+ }
+
+ dev->in = usb_rcvbulkpipe (dev->udev,
+ in->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK);
+ dev->out = usb_sndbulkpipe (dev->udev,
+ out->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK);
+ dev->status = status;
+ return 0;
+}
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
+static void intr_complete (struct urb *urb, struct pt_regs *regs);
+#else
+static void intr_complete (struct urb *urb);
+#endif
+
+static int init_status (struct usbnet *dev, struct usb_interface *intf)
+{
+ char *buf = NULL;
+ unsigned pipe = 0;
+ unsigned maxp;
+ unsigned period;
+
+ if (!dev->driver_info->status)
+ return 0;
+
+ pipe = usb_rcvintpipe (dev->udev,
+ dev->status->desc.bEndpointAddress
+ & USB_ENDPOINT_NUMBER_MASK);
+ maxp = usb_maxpacket (dev->udev, pipe, 0);
+
+ /* avoid 1 msec chatter: min 8 msec poll rate */
+ period = max ((int) dev->status->desc.bInterval,
+ (dev->udev->speed == USB_SPEED_HIGH) ? 7 : 3);
+
+ buf = kmalloc (maxp, GFP_KERNEL);
+ if (buf) {
+ dev->interrupt = usb_alloc_urb (0, GFP_KERNEL);
+ if (!dev->interrupt) {
+ kfree (buf);
+ return -ENOMEM;
+ } else {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14)
+ dev->interrupt->transfer_flags |= URB_ASYNC_UNLINK;
+#endif
+ usb_fill_int_urb(dev->interrupt, dev->udev, pipe,
+ buf, maxp, intr_complete, dev, period);
+ devdbg(dev,
+ "status ep%din, %d bytes period %d",
+ usb_pipeendpoint(pipe), maxp, period);
+ }
+ }
+ return 0;
+}
+
+/* Passes this packet up the stack, updating its accounting.
+ * Some link protocols batch packets, so their rx_fixup paths
+ * can return clones as well as just modify the original skb.
+ */
+static
+void axusbnet_skb_return (struct usbnet *dev, struct sk_buff *skb)
+{
+ int status;
+
+ skb->dev = dev->net;
+ skb->protocol = eth_type_trans (skb, dev->net);
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += skb->len;
+
+ if (netif_msg_rx_status (dev))
+ devdbg (dev, "< rx, len %zu, type 0x%x",
+ skb->len + sizeof (struct ethhdr), skb->protocol);
+ memset (skb->cb, 0, sizeof (struct skb_data));
+ status = netif_rx (skb);
+ if (status != NET_RX_SUCCESS && netif_msg_rx_err (dev))
+ devdbg (dev, "netif_rx status %d", status);
+}
+
+/*-------------------------------------------------------------------------
+ *
+ * Network Device Driver (peer link to "Host Device", from USB host)
+ *
+ *-------------------------------------------------------------------------*/
+
+static
+int axusbnet_change_mtu (struct net_device *net, int new_mtu)
+{
+ struct usbnet *dev = netdev_priv(net);
+ int ll_mtu = new_mtu + net->hard_header_len;
+ int old_hard_mtu = dev->hard_mtu;
+ int old_rx_urb_size = dev->rx_urb_size;
+
+ if (new_mtu <= 0)
+ return -EINVAL;
+ // no second zero-length packet read wanted after mtu-sized packets
+ if ((ll_mtu % dev->maxpacket) == 0)
+ return -EDOM;
+ net->mtu = new_mtu;
+
+ dev->hard_mtu = net->mtu + net->hard_header_len;
+ if (dev->rx_urb_size == old_hard_mtu) {
+ dev->rx_urb_size = dev->hard_mtu;
+ if (dev->rx_urb_size > old_rx_urb_size)
+ axusbnet_unlink_rx_urbs(dev);
+ }
+
+ return 0;
+}
+
+static struct net_device_stats *axusbnet_get_stats (struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv (net);
+ return &dev->stats;
+}
+
+/*-------------------------------------------------------------------------*/
+
+/* some LK 2.4 HCDs oopsed if we freed or resubmitted urbs from
+ * completion callbacks. 2.5 should have fixed those bugs...
+ */
+
+static void
+defer_bh(struct usbnet *dev, struct sk_buff *skb, struct sk_buff_head *list)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&list->lock, flags);
+ __skb_unlink(skb, list);
+ spin_unlock(&list->lock);
+ spin_lock(&dev->done.lock);
+ __skb_queue_tail(&dev->done, skb);
+ if (dev->done.qlen == 1)
+ tasklet_schedule(&dev->bh);
+ spin_unlock_irqrestore(&dev->done.lock, flags);
+}
+
+/* some work can't be done in tasklets, so we use keventd
+ *
+ * NOTE: annoying asymmetry: if it's active, schedule_work() fails,
+ * but tasklet_schedule() doesn't. hope the failure is rare.
+ */
+static
+void axusbnet_defer_kevent (struct usbnet *dev, int work)
+{
+ set_bit (work, &dev->flags);
+ if (!schedule_work (&dev->kevent))
+ deverr (dev, "kevent %d may have been dropped", work);
+ else
+ devdbg (dev, "kevent %d scheduled", work);
+}
+
+/*-------------------------------------------------------------------------*/
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
+static void rx_complete (struct urb *urb, struct pt_regs *regs);
+#else
+static void rx_complete (struct urb *urb);
+#endif
+
+static void rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags)
+{
+ struct sk_buff *skb;
+ struct skb_data *entry;
+ int retval = 0;
+ unsigned long lockflags;
+ size_t size = dev->rx_urb_size;
+ struct driver_info *info = dev->driver_info;
+ u8 align;
+
+#if (AX_FORCE_BUFF_ALIGN)
+ align = 0;
+#else
+ if (!(info->flags & FLAG_HW_IP_ALIGNMENT))
+ align = NET_IP_ALIGN;
+ else
+ align = 0;
+#endif
+
+ if ((skb = alloc_skb (size + align, flags)) == NULL) {
+ if (netif_msg_rx_err (dev))
+ devdbg (dev, "no rx skb");
+ axusbnet_defer_kevent (dev, EVENT_RX_MEMORY);
+ usb_free_urb (urb);
+ return;
+ }
+
+ if (align)
+ skb_reserve (skb, NET_IP_ALIGN);
+
+ entry = (struct skb_data *) skb->cb;
+ entry->urb = urb;
+ entry->dev = dev;
+ entry->state = rx_start;
+ entry->length = 0;
+
+ usb_fill_bulk_urb (urb, dev->udev, dev->in,
+ skb->data, size, rx_complete, skb);
+
+ spin_lock_irqsave (&dev->rxq.lock, lockflags);
+
+ if (netif_running (dev->net)
+ && netif_device_present (dev->net)
+ && !test_bit (EVENT_RX_HALT, &dev->flags)) {
+ switch (retval = usb_submit_urb (urb, GFP_ATOMIC)) {
+ case -EPIPE:
+ axusbnet_defer_kevent (dev, EVENT_RX_HALT);
+ break;
+ case -ENOMEM:
+ axusbnet_defer_kevent (dev, EVENT_RX_MEMORY);
+ break;
+ case -ENODEV:
+ if (netif_msg_ifdown (dev))
+ devdbg (dev, "device gone");
+ netif_device_detach (dev->net);
+ break;
+ default:
+ if (netif_msg_rx_err (dev))
+ devdbg (dev, "rx submit, %d", retval);
+ tasklet_schedule (&dev->bh);
+ break;
+ case 0:
+ __skb_queue_tail (&dev->rxq, skb);
+ }
+ } else {
+ if (netif_msg_ifdown (dev))
+ devdbg (dev, "rx: stopped");
+ retval = -ENOLINK;
+ }
+ spin_unlock_irqrestore (&dev->rxq.lock, lockflags);
+ if (retval) {
+ dev_kfree_skb_any (skb);
+ usb_free_urb (urb);
+ }
+}
+
+
+/*-------------------------------------------------------------------------*/
+
+static inline void rx_process (struct usbnet *dev, struct sk_buff *skb)
+{
+ if (dev->driver_info->rx_fixup
+ && !dev->driver_info->rx_fixup (dev, skb))
+ goto error;
+ // else network stack removes extra byte if we forced a short packet
+
+ if (skb->len)
+ axusbnet_skb_return (dev, skb);
+ else {
+ if (netif_msg_rx_err (dev))
+ devdbg (dev, "drop");
+error:
+ dev->stats.rx_errors++;
+ skb_queue_tail (&dev->done, skb);
+ }
+}
+
+/*-------------------------------------------------------------------------*/
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
+static void rx_complete (struct urb *urb, struct pt_regs *regs)
+#else
+static void rx_complete (struct urb *urb)
+#endif
+{
+ struct sk_buff *skb = (struct sk_buff *) urb->context;
+ struct skb_data *entry = (struct skb_data *) skb->cb;
+ struct usbnet *dev = entry->dev;
+ int urb_status = urb->status;
+
+ skb_put (skb, urb->actual_length);
+ entry->state = rx_done;
+ entry->urb = NULL;
+
+ switch (urb_status) {
+ /* success */
+ case 0:
+ if (skb->len < dev->net->hard_header_len) {
+ entry->state = rx_cleanup;
+ dev->stats.rx_errors++;
+ dev->stats.rx_length_errors++;
+ if (netif_msg_rx_err (dev))
+ devdbg (dev, "rx length %d", skb->len);
+ }
+ break;
+
+ /* stalls need manual reset. this is rare ... except that
+ * when going through USB 2.0 TTs, unplug appears this way.
+ * we avoid the highspeed version of the ETIMEDOUT/EILSEQ
+ * storm, recovering as needed.
+ */
+ case -EPIPE:
+ dev->stats.rx_errors++;
+ axusbnet_defer_kevent (dev, EVENT_RX_HALT);
+ // FALLTHROUGH
+
+ /* software-driven interface shutdown */
+ case -ECONNRESET: /* async unlink */
+ case -ESHUTDOWN: /* hardware gone */
+ if (netif_msg_ifdown (dev))
+ devdbg (dev, "rx shutdown, code %d", urb_status);
+ goto block;
+
+ /* we get controller i/o faults during khubd disconnect() delays.
+ * throttle down resubmits, to avoid log floods; just temporarily,
+ * so we still recover when the fault isn't a khubd delay.
+ */
+ case -EPROTO:
+ case -ETIME:
+ case -EILSEQ:
+ dev->stats.rx_errors++;
+ if (!timer_pending (&dev->delay)) {
+ mod_timer (&dev->delay, jiffies + THROTTLE_JIFFIES);
+ if (netif_msg_link (dev))
+ devdbg (dev, "rx throttle %d", urb_status);
+ }
+block:
+ entry->state = rx_cleanup;
+ entry->urb = urb;
+ urb = NULL;
+ break;
+
+ /* data overrun ... flush fifo? */
+ case -EOVERFLOW:
+ dev->stats.rx_over_errors++;
+ // FALLTHROUGH
+
+ default:
+ entry->state = rx_cleanup;
+ dev->stats.rx_errors++;
+ if (netif_msg_rx_err (dev))
+ devdbg (dev, "rx status %d", urb_status);
+ break;
+ }
+
+ defer_bh(dev, skb, &dev->rxq);
+
+ if (urb) {
+ if (netif_running (dev->net)
+ && !test_bit (EVENT_RX_HALT, &dev->flags)) {
+ rx_submit (dev, urb, GFP_ATOMIC);
+ return;
+ }
+ usb_free_urb (urb);
+ }
+ if (netif_msg_rx_err (dev))
+ devdbg (dev, "no read resubmitted");
+}
+extern void dwc_otg_clear_halt(struct urb *_urb);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
+static void intr_complete (struct urb *urb, struct pt_regs *regs)
+#else
+static void intr_complete (struct urb *urb)
+#endif
+{
+ struct usbnet *dev = urb->context;
+ int status = urb->status;
+ //devdbg(dev, "status %d running? %d\n", status,netif_running (dev->net));
+
+ dev->intr_complete = 1;
+ wake_up_interruptible(&dev->intr_wait);
+
+ switch (status) {
+ /* success */
+ case 0:
+ dev->driver_info->status(dev, urb);
+ break;
+
+ /* software-driven interface shutdown */
+ case -ENOENT: /* urb killed */
+ case -ESHUTDOWN: /* hardware gone */
+ if (netif_msg_ifdown (dev))
+ devdbg (dev, "intr shutdown, code %d", status);
+ dwc_otg_clear_halt(urb);
+ break;
+
+ // return;
+
+ /* NOTE: not throttling like RX/TX, since this endpoint
+ * already polls infrequently
+ */
+ default:
+ devdbg (dev, "intr status %d", status);
+ if(status < 0)
+ dwc_otg_clear_halt(urb);
+ break;
+ }
+
+ if (!netif_running (dev->net) || dev->asix_suspend) {
+ dev->asix_suspend = 0;
+ devdbg (dev, "netif_running is false");
+ return;
+ }
+
+ dev->intr_complete = 0;
+ memset(urb->transfer_buffer, 0, urb->transfer_buffer_length);
+ status = usb_submit_urb (urb, GFP_ATOMIC);
+ if (status != 0 && netif_msg_timer (dev))
+ deverr(dev, "intr resubmit --> %d", status);
+}
+
+/*-------------------------------------------------------------------------*/
+
+// unlink pending rx/tx; completion handlers do all other cleanup
+
+static int unlink_urbs (struct usbnet *dev, struct sk_buff_head *q)
+{
+ unsigned long flags;
+ struct sk_buff *skb, *skbnext;
+ int count = 0;
+
+ spin_lock_irqsave (&q->lock, flags);
+ skb_queue_walk_safe(q, skb, skbnext) {
+ struct skb_data *entry;
+ struct urb *urb;
+ int retval;
+
+ entry = (struct skb_data *) skb->cb;
+ urb = entry->urb;
+
+ // during some PM-driven resume scenarios,
+ // these (async) unlinks complete immediately
+ retval = usb_unlink_urb (urb);
+ if (retval != -EINPROGRESS && retval != 0)
+ devdbg (dev, "unlink urb err, %d", retval);
+ else
+ count++;
+ }
+ spin_unlock_irqrestore (&q->lock, flags);
+ return count;
+}
+
+// Flush all pending rx urbs
+// minidrivers may need to do this when the MTU changes
+
+static
+void axusbnet_unlink_rx_urbs(struct usbnet *dev)
+{
+ if (netif_running(dev->net)) {
+ (void) unlink_urbs (dev, &dev->rxq);
+ tasklet_schedule(&dev->bh);
+ }
+}
+
+/*-------------------------------------------------------------------------*/
+
+// precondition: never called in_interrupt
+
+static
+int axusbnet_stop (struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+ struct driver_info *info = dev->driver_info;
+ int temp;
+ int retval;
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,18)
+ DECLARE_WAIT_QUEUE_HEAD_ONSTACK (unlink_wakeup);
+#else
+ DECLARE_WAIT_QUEUE_HEAD (unlink_wakeup);
+#endif
+ DECLARE_WAITQUEUE (wait, current);
+
+ devdbg(dev," %s %d\n",__FUNCTION__,__LINE__);
+ netif_stop_queue (net);
+
+ if (netif_msg_ifdown (dev))
+ devinfo (dev, "stop stats: rx/tx %ld/%ld, errs %ld/%ld",
+ dev->stats.rx_packets, dev->stats.tx_packets,
+ dev->stats.rx_errors, dev->stats.tx_errors
+ );
+
+ /* allow minidriver to stop correctly (wireless devices to turn off
+ * radio etc) */
+ if (info->stop) {
+ retval = info->stop(dev);
+ if (retval < 0 && netif_msg_ifdown(dev))
+ devinfo(dev,
+ "stop fail (%d) usbnet usb-%s-%s, %s",
+ retval,
+ dev->udev->bus->bus_name, dev->udev->devpath,
+ info->description);
+ }
+
+ if (!(info->flags & FLAG_AVOID_UNLINK_URBS)) {
+ /* ensure there are no more active urbs */
+ add_wait_queue(&unlink_wakeup, &wait);
+ dev->wait = &unlink_wakeup;
+ temp = unlink_urbs(dev, &dev->txq) +
+ unlink_urbs(dev, &dev->rxq);
+
+ /* maybe wait for deletions to finish. */
+ while (!skb_queue_empty(&dev->rxq)
+ && !skb_queue_empty(&dev->txq)
+ && !skb_queue_empty(&dev->done)) {
+ msleep(UNLINK_TIMEOUT_MS);
+ if (netif_msg_ifdown(dev))
+ devdbg(dev, "waited for %d urb completions",
+ temp);
+ }
+ dev->wait = NULL;
+ remove_wait_queue(&unlink_wakeup, &wait);
+ }
+
+ usb_kill_urb(dev->interrupt);
+
+ /* deferred work (task, timer, softirq) must also stop.
+ * can't flush_scheduled_work() until we drop rtnl (later),
+ * else workers could deadlock; so make workers a NOP.
+ */
+ dev->flags = 0;
+ del_timer_sync (&dev->delay);
+ tasklet_kill (&dev->bh);
+
+ return 0;
+}
+
+/*-------------------------------------------------------------------------*/
+
+// posts reads, and enables write queuing
+
+// precondition: never called in_interrupt
+
+static
+int axusbnet_open (struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+ int retval = 0;
+ struct driver_info *info = dev->driver_info;
+ devdbg(dev, " %s %d\n",__FUNCTION__,__LINE__);
+ // put into "known safe" state
+ if (info->reset && (retval = info->reset (dev)) < 0) {
+ if (netif_msg_ifup (dev))
+ devinfo (dev,
+ "open reset fail (%d) usbnet usb-%s-%s, %s",
+ retval,
+ dev->udev->bus->bus_name, dev->udev->devpath,
+ info->description);
+ goto done;
+ }
+
+ // insist peer be connected
+ if (info->check_connect && (retval = info->check_connect (dev)) < 0) {
+ if (netif_msg_ifup (dev))
+ devdbg (dev, "can't open; %d", retval);
+ goto done;
+ }
+
+ /* start any status interrupt transfer */
+ if (dev->interrupt) {
+ retval = usb_submit_urb (dev->interrupt, GFP_KERNEL);
+ if (retval < 0) {
+ if (netif_msg_ifup (dev))
+ deverr (dev, "intr submit %d", retval);
+ goto done;
+ }
+ }
+
+ netif_start_queue (net);
+ if (netif_msg_ifup (dev)) {
+ char *framing;
+
+ if (dev->driver_info->flags & FLAG_FRAMING_NC)
+ framing = "NetChip";
+ else if (dev->driver_info->flags & FLAG_FRAMING_GL)
+ framing = "GeneSys";
+ else if (dev->driver_info->flags & FLAG_FRAMING_Z)
+ framing = "Zaurus";
+ else if (dev->driver_info->flags & FLAG_FRAMING_RN)
+ framing = "RNDIS";
+ else if (dev->driver_info->flags & FLAG_FRAMING_AX)
+ framing = "ASIX";
+ else
+ framing = "simple";
+
+ devinfo (dev, "open: enable queueing "
+ "(rx %d, tx %d) mtu %d %s framing",
+ (int)RX_QLEN (dev), (int)TX_QLEN (dev), dev->net->mtu,
+ framing);
+ }
+
+ // delay posting reads until we're fully open
+ tasklet_schedule (&dev->bh);
+ return retval;
+done:
+ return retval;
+}
+
+/*-------------------------------------------------------------------------*/
+
+/* ethtool methods; minidrivers may need to add some more, but
+ * they'll probably want to use this base set.
+ */
+
+static
+int axusbnet_get_settings (struct net_device *net, struct ethtool_cmd *cmd)
+{
+ struct usbnet *dev = netdev_priv(net);
+
+ if (!dev->mii.mdio_read)
+ return -EOPNOTSUPP;
+
+ return mii_ethtool_gset(&dev->mii, cmd);
+}
+
+static
+int axusbnet_set_settings (struct net_device *net, struct ethtool_cmd *cmd)
+{
+ struct usbnet *dev = netdev_priv(net);
+ int retval;
+
+ if (!dev->mii.mdio_write)
+ return -EOPNOTSUPP;
+
+ retval = mii_ethtool_sset(&dev->mii, cmd);
+
+ /* link speed/duplex might have changed */
+ if (dev->driver_info->link_reset)
+ dev->driver_info->link_reset(dev);
+
+ return retval;
+
+}
+
+static
+u32 axusbnet_get_link (struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+
+ /* If a check_connect is defined, return its result */
+ if (dev->driver_info->check_connect)
+ return dev->driver_info->check_connect (dev) == 0;
+
+ /* if the device has mii operations, use those */
+ if (dev->mii.mdio_read)
+ return mii_link_ok(&dev->mii);
+
+ /* Otherwise, dtrt for drivers calling netif_carrier_{on,off} */
+ return ethtool_op_get_link(net);
+}
+
+static
+int axusbnet_nway_reset(struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+
+ if (!dev->mii.mdio_write)
+ return -EOPNOTSUPP;
+
+ return mii_nway_restart(&dev->mii);
+}
+
+static
+void axusbnet_get_drvinfo (struct net_device *net, struct ethtool_drvinfo *info)
+{
+ struct usbnet *dev = netdev_priv(net);
+
+ strncpy (info->driver, dev->driver_name, sizeof info->driver);
+ strncpy (info->version, DRIVER_VERSION, sizeof info->version);
+ strncpy (info->fw_version, dev->driver_info->description,
+ sizeof info->fw_version);
+ usb_make_path (dev->udev, info->bus_info, sizeof info->bus_info);
+}
+
+static
+u32 axusbnet_get_msglevel (struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+
+ return dev->msg_enable;
+}
+
+static
+void axusbnet_set_msglevel (struct net_device *net, u32 level)
+{
+ struct usbnet *dev = netdev_priv(net);
+
+ dev->msg_enable = level;
+}
+
+/* drivers may override default ethtool_ops in their bind() routine */
+static struct ethtool_ops axusbnet_ethtool_ops = {
+ .get_settings = axusbnet_get_settings,
+ .set_settings = axusbnet_set_settings,
+ .get_link = axusbnet_get_link,
+ .nway_reset = axusbnet_nway_reset,
+ .get_drvinfo = axusbnet_get_drvinfo,
+ .get_msglevel = axusbnet_get_msglevel,
+ .set_msglevel = axusbnet_set_msglevel,
+};
+
+/*-------------------------------------------------------------------------*/
+
+/* work that cannot be done in interrupt context uses keventd.
+ *
+ * NOTE: with 2.5 we could do more of this using completion callbacks,
+ * especially now that control transfers can be queued.
+ */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
+static void kevent (void *data)
+{
+ struct usbnet *dev = (struct usbnet *)data;
+#else
+static void kevent (struct work_struct *work)
+{
+ struct usbnet *dev =
+ container_of(work, struct usbnet, kevent);
+#endif
+ int status;
+
+ /* usb_clear_halt() needs a thread context */
+ if (test_bit (EVENT_TX_HALT, &dev->flags)) {
+printk ("EVENT_TX_HALT\n");
+ unlink_urbs (dev, &dev->txq);
+ status = usb_clear_halt (dev->udev, dev->out);
+ if (status < 0
+ && status != -EPIPE
+ && status != -ESHUTDOWN) {
+ if (netif_msg_tx_err (dev))
+ deverr (dev, "can't clear tx halt, status %d",
+ status);
+ } else {
+ clear_bit (EVENT_TX_HALT, &dev->flags);
+ if (status != -ESHUTDOWN)
+ netif_wake_queue (dev->net);
+ }
+
+ //dwc_otg_clear_halt(urb);
+ }
+ if (test_bit (EVENT_RX_HALT, &dev->flags)) {
+printk ("EVENT_RX_HALT\n");
+ unlink_urbs (dev, &dev->rxq);
+ status = usb_clear_halt (dev->udev, dev->in);
+ if (status < 0
+ && status != -EPIPE
+ && status != -ESHUTDOWN) {
+ if (netif_msg_rx_err (dev))
+ deverr (dev, "can't clear rx halt, status %d",
+ status);
+ } else {
+ clear_bit (EVENT_RX_HALT, &dev->flags);
+ tasklet_schedule (&dev->bh);
+ }
+ }
+
+ /* tasklet could resubmit itself forever if memory is tight */
+ if (test_bit (EVENT_RX_MEMORY, &dev->flags)) {
+ struct urb *urb = NULL;
+printk ("EVENT_RX_MEMORY\n");
+ if (netif_running (dev->net))
+ urb = usb_alloc_urb (0, GFP_KERNEL);
+ else
+ clear_bit (EVENT_RX_MEMORY, &dev->flags);
+ if (urb != NULL) {
+ clear_bit (EVENT_RX_MEMORY, &dev->flags);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14)
+ urb->transfer_flags |= URB_ASYNC_UNLINK;
+#endif
+ rx_submit (dev, urb, GFP_KERNEL);
+ tasklet_schedule (&dev->bh);
+ }
+ }
+
+ if (test_bit (EVENT_LINK_RESET, &dev->flags)) {
+ struct driver_info *info = dev->driver_info;
+ int retval = 0;
+
+ clear_bit (EVENT_LINK_RESET, &dev->flags);
+ if(info->link_reset && (retval = info->link_reset(dev)) < 0) {
+ devinfo(dev, "link reset failed (%d) usbnet usb-%s-%s, %s",
+ retval,
+ dev->udev->bus->bus_name, dev->udev->devpath,
+ info->description);
+ }
+ }
+
+ if (dev->flags)
+ devdbg (dev, "kevent done, flags = 0x%lx",
+ dev->flags);
+}
+
+/*-------------------------------------------------------------------------*/
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
+static void tx_complete (struct urb *urb, struct pt_regs *regs)
+#else
+static void tx_complete (struct urb *urb)
+#endif
+{
+ struct sk_buff *skb = (struct sk_buff *) urb->context;
+ struct skb_data *entry = (struct skb_data *) skb->cb;
+ struct usbnet *dev = entry->dev;
+
+ if (urb->status == 0) {
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += entry->length;
+ } else {
+ dev->stats.tx_errors++;
+
+ switch (urb->status) {
+ case -EPIPE:
+ axusbnet_defer_kevent (dev, EVENT_TX_HALT);
+ break;
+
+ /* software-driven interface shutdown */
+ case -ECONNRESET: // async unlink
+ case -ESHUTDOWN: // hardware gone
+ break;
+
+ // like rx, tx gets controller i/o faults during khubd delays
+ // and so it uses the same throttling mechanism.
+ case -EPROTO:
+ case -ETIME:
+ case -EILSEQ:
+ if (!timer_pending (&dev->delay)) {
+ mod_timer (&dev->delay,
+ jiffies + THROTTLE_JIFFIES);
+ if (netif_msg_link (dev))
+ devdbg (dev, "tx throttle %d",
+ urb->status);
+ }
+ netif_stop_queue (dev->net);
+ break;
+ default:
+ if (netif_msg_tx_err (dev))
+ devdbg (dev, "tx err %d", entry->urb->status);
+ break;
+ }
+ }
+
+ urb->dev = NULL;
+ entry->state = tx_done;
+ defer_bh(dev, skb, &dev->txq);
+}
+
+/*-------------------------------------------------------------------------*/
+
+static
+void axusbnet_tx_timeout (struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+
+ devdbg(dev,"---> %s %d\n",__FUNCTION__, __LINE__);
+ unlink_urbs (dev, &dev->txq);
+ tasklet_schedule (&dev->bh);
+
+ // FIXME: device recovery -- reset?
+}
+
+/*-------------------------------------------------------------------------*/
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)
+static int
+#else
+static netdev_tx_t
+#endif
+axusbnet_start_xmit (struct sk_buff *skb,
+ struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+ int length;
+ struct urb *urb = NULL;
+ struct skb_data *entry;
+ struct driver_info *info = dev->driver_info;
+ unsigned long flags;
+ int retval;
+
+ // some devices want funky USB-level framing, for
+ // win32 driver (usually) and/or hardware quirks
+ if (info->tx_fixup) {
+ skb = info->tx_fixup (dev, skb, GFP_ATOMIC);
+ if (!skb) {
+ if (netif_msg_tx_err (dev))
+ devdbg (dev, "can't tx_fixup skb");
+ goto drop;
+ }
+ }
+ length = skb->len;
+
+ if (!(urb = usb_alloc_urb (0, GFP_ATOMIC))) {
+ if (netif_msg_tx_err (dev))
+ devdbg (dev, "no urb");
+ goto drop;
+ }
+
+ entry = (struct skb_data *) skb->cb;
+ entry->urb = urb;
+ entry->dev = dev;
+ entry->state = tx_start;
+ entry->length = length;
+
+ usb_fill_bulk_urb (urb, dev->udev, dev->out,
+ skb->data, skb->len, tx_complete, skb);
+
+ /* don't assume the hardware handles USB_ZERO_PACKET
+ * NOTE: strictly conforming cdc-ether devices should expect
+ * the ZLP here, but ignore the one-byte packet.
+ */
+ if (!(info->flags & FLAG_SEND_ZLP) && (length % dev->maxpacket) == 0) {
+ urb->transfer_buffer_length++;
+ if (skb_tailroom(skb)) {
+ skb->data[skb->len] = 0;
+ __skb_put(skb, 1);
+ }
+ }
+
+ spin_lock_irqsave (&dev->txq.lock, flags);
+
+ switch ((retval = usb_submit_urb (urb, GFP_ATOMIC))) {
+ case -EPIPE:
+ netif_stop_queue (net);
+ axusbnet_defer_kevent (dev, EVENT_TX_HALT);
+ break;
+ default:
+ if (netif_msg_tx_err (dev))
+ devdbg (dev, "tx: submit urb err %d", retval);
+ break;
+ case 0:
+ net->trans_start = jiffies;
+ __skb_queue_tail (&dev->txq, skb);
+ if (dev->txq.qlen >= TX_QLEN (dev))
+ netif_stop_queue (net);
+ }
+ spin_unlock_irqrestore (&dev->txq.lock, flags);
+
+ if (retval) {
+ if (netif_msg_tx_err (dev))
+ devdbg (dev, "drop, code %d", retval);
+drop:
+ dev->stats.tx_dropped++;
+ if (skb)
+ dev_kfree_skb_any (skb);
+ usb_free_urb (urb);
+ } else if (netif_msg_tx_queued (dev)) {
+ devdbg (dev, "> tx, len %d, type 0x%x",
+ length, skb->protocol);
+ }
+ return NETDEV_TX_OK;
+}
+
+/*-------------------------------------------------------------------------*/
+
+// tasklet (work deferred from completions, in_irq) or timer
+
+static void axusbnet_bh (unsigned long param)
+{
+ struct usbnet *dev = (struct usbnet *) param;
+ struct sk_buff *skb;
+ struct skb_data *entry;
+ while ((skb = skb_dequeue (&dev->done))) {
+ entry = (struct skb_data *) skb->cb;
+ switch (entry->state) {
+ case rx_done:
+ entry->state = rx_cleanup;
+ rx_process (dev, skb);
+ continue;
+ case tx_done:
+ case rx_cleanup:
+ usb_free_urb (entry->urb);
+ dev_kfree_skb (skb);
+ continue;
+ default:
+ devdbg (dev, "bogus skb state %d", entry->state);
+ }
+ }
+
+ // waiting for all pending urbs to complete?
+ if (dev->wait) {
+ if ((dev->txq.qlen + dev->rxq.qlen + dev->done.qlen) == 0) {
+ wake_up (dev->wait);
+ }
+
+ // or are we maybe short a few urbs?
+ } else if (netif_running (dev->net)
+ && netif_device_present (dev->net)
+ && !timer_pending (&dev->delay)
+ && !test_bit (EVENT_RX_HALT, &dev->flags)) {
+ int temp = dev->rxq.qlen;
+ int qlen = RX_QLEN (dev);
+
+ if (temp < qlen) {
+ struct urb *urb;
+ int i;
+
+ // don't refill the queue all at once
+ for (i = 0; i < 10 && dev->rxq.qlen < qlen; i++) {
+ urb = usb_alloc_urb (0, GFP_ATOMIC);
+ if (urb != NULL) {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14)
+ urb->transfer_flags |= URB_ASYNC_UNLINK;
+#endif
+ rx_submit (dev, urb, GFP_ATOMIC);
+ }
+ }
+ if (temp != dev->rxq.qlen && netif_msg_link (dev))
+ devdbg (dev, "rxqlen %d --> %d",
+ temp, dev->rxq.qlen);
+ if (dev->rxq.qlen < qlen)
+ tasklet_schedule (&dev->bh);
+ }
+ if (dev->txq.qlen < TX_QLEN (dev))
+ netif_wake_queue (dev->net);
+ }
+}
+
+
+/*-------------------------------------------------------------------------
+ *
+ * USB Device Driver support
+ *
+ *-------------------------------------------------------------------------*/
+
+// precondition: never called in_interrupt
+
+static
+void axusbnet_disconnect (struct usb_interface *intf)
+{
+ struct usbnet *dev;
+ struct usb_device *xdev;
+ struct net_device *net;
+
+ dev = usb_get_intfdata(intf);
+ usb_set_intfdata(intf, NULL);
+ if (!dev)
+ return;
+
+ xdev = interface_to_usbdev (intf);
+
+ if (netif_msg_probe (dev))
+ devinfo (dev, "unregister '%s' usb-%s-%s, %s",
+ intf->dev.driver->name,
+ xdev->bus->bus_name, xdev->devpath,
+ dev->driver_info->description);
+
+ net = dev->net;
+ unregister_netdev (net);
+
+ /* we don't hold rtnl here ... */
+ flush_scheduled_work ();
+
+ if (dev->driver_info->unbind)
+ dev->driver_info->unbind (dev, intf);
+
+ free_netdev(net);
+ usb_put_dev (xdev);
+}
+
+/*-------------------------------------------------------------------------*/
+
+// precondition: never called in_interrupt
+
+static int
+axusbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
+{
+ struct usbnet *dev;
+ struct net_device *net;
+ struct usb_host_interface *interface;
+ struct driver_info *info;
+ struct usb_device *xdev;
+ int status;
+ const char *name;
+
+ name = udev->dev.driver->name;
+ info = (struct driver_info *) prod->driver_info;
+ if (!info) {
+ printk (KERN_ERR "blacklisted by %s\n", name);
+ return -ENODEV;
+ }
+ xdev = interface_to_usbdev (udev);
+ interface = udev->cur_altsetting;
+
+ usb_get_dev (xdev);
+
+ status = -ENOMEM;
+
+ // set up our own records
+ net = alloc_etherdev(sizeof(*dev));
+ if (!net) {
+ dbg ("can't kmalloc dev");
+ goto out;
+ }
+
+ dev = netdev_priv(net);
+ dev->udev = xdev;
+ dev->intf = udev;
+ dev->driver_info = info;
+ dev->driver_name = name;
+ dev->msg_enable = netif_msg_init (msg_level, NETIF_MSG_DRV
+ | NETIF_MSG_PROBE | NETIF_MSG_LINK | NETIF_MSG_IFDOWN |NETIF_MSG_IFUP);
+ skb_queue_head_init (&dev->rxq);
+ skb_queue_head_init (&dev->txq);
+ skb_queue_head_init (&dev->done);
+ dev->bh.func = axusbnet_bh;
+ dev->bh.data = (unsigned long) dev;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
+ INIT_WORK (&dev->kevent, kevent, dev);
+#else
+ INIT_WORK (&dev->kevent, kevent);
+#endif
+
+ dev->delay.function = axusbnet_bh;
+ dev->delay.data = (unsigned long) dev;
+ init_timer (&dev->delay);
+// mutex_init (&dev->phy_mutex);
+
+ dev->net = net;
+
+ /* rx and tx sides can use different message sizes;
+ * bind() should set rx_urb_size in that case.
+ */
+ dev->hard_mtu = net->mtu + net->hard_header_len;
+
+ dev->asix_suspend = 0;
+ dev->intr_complete = 1;
+ init_waitqueue_head(&dev->intr_wait);
+
+#if 0
+// dma_supported() is deeply broken on almost all architectures
+ // possible with some EHCI controllers
+ if (dma_supported (&udev->dev, DMA_BIT_MASK(64)))
+ net->features |= NETIF_F_HIGHDMA;
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30)
+ net->open = axusbnet_open,
+ net->stop = axusbnet_stop,
+ net->hard_start_xmit = axusbnet_start_xmit,
+ net->tx_timeout = axusbnet_tx_timeout,
+ net->get_stats = axusbnet_get_stats;
+#endif
+
+ net->watchdog_timeo = TX_TIMEOUT_JIFFIES;
+ net->ethtool_ops = &axusbnet_ethtool_ops;
+
+ // allow device-specific bind/init procedures
+ // NOTE net->name still not usable ...
+ status = info->bind (dev, udev);
+ if (status < 0) {
+ deverr(dev, "Binding device failed: %d", status);
+ goto out1;
+ } else {
+ printk("----> %s %d:bind %s\n",__FUNCTION__,__LINE__,info->description);
+ }
+
+ /* maybe the remote can't receive an Ethernet MTU */
+ if (net->mtu > (dev->hard_mtu - net->hard_header_len))
+ net->mtu = dev->hard_mtu - net->hard_header_len;
+
+ status = init_status (dev, udev);
+ if (status < 0)
+ goto out3;
+
+ if (!dev->rx_urb_size)
+ dev->rx_urb_size = dev->hard_mtu;
+ dev->maxpacket = usb_maxpacket (dev->udev, dev->out, 1);
+
+ SET_NETDEV_DEV(net, &udev->dev);
+ status = register_netdev (net);
+ if (status) {
+ deverr(dev, "net device registration failed: %d", status);
+ goto out3;
+ }
+
+ if (netif_msg_probe (dev))
+ devinfo (dev, "register '%s' at usb-%s-%s, %s, %pM",
+ udev->dev.driver->name,
+ xdev->bus->bus_name, xdev->devpath,
+ dev->driver_info->description,
+ net->dev_addr);
+
+ // ok, it's ready to go.
+ usb_set_intfdata (udev, dev);
+
+ // start as if the link is up
+ netif_device_attach (net);
+
+ return 0;
+
+out3:
+ if (info->unbind)
+ info->unbind (dev, udev);
+out1:
+ free_netdev(net);
+out:
+ usb_put_dev(xdev);
+ return status;
+}
+
+/*-------------------------------------------------------------------------*/
+
+/*
+ * suspend the whole driver as soon as the first interface is suspended
+ * resume only when the last interface is resumed
+ */
+
+static int axusbnet_suspend (struct usb_interface *intf,
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,10)
+pm_message_t message)
+#else
+u32 message)
+#endif
+{
+ struct usbnet *dev = usb_get_intfdata(intf);
+
+ if (!dev->suspend_count++) {
+ /*
+ * accelerate emptying of the rx and queues, to avoid
+ * having everything error out.
+ */
+ netif_device_detach (dev->net);
+ (void) unlink_urbs (dev, &dev->rxq);
+ (void) unlink_urbs (dev, &dev->txq);
+ /*
+ * reattach so runtime management can use and
+ * wake the device
+ */
+ netif_device_attach (dev->net);
+ }
+ return 0;
+}
+
+static int
+axusbnet_resume (struct usb_interface *intf)
+{
+ struct usbnet *dev = usb_get_intfdata(intf);
+
+ if (!--dev->suspend_count)
+ tasklet_schedule (&dev->bh);
+
+ return 0;
+}
+
--- /dev/null
+/*
+ * USB Networking Link Interface
+ *
+ * Copyright (C) 2000-2005 by David Brownell <dbrownell@users.sourceforge.net>
+ * Copyright (C) 2003-2005 David Hollis <dhollis@davehollis.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __LINUX_USB_USBNET_H
+#define __LINUX_USB_USBNET_H
+
+#ifndef gfp_t
+#define gfp_t int
+#endif
+
+/* interface from usbnet core to each USB networking link we handle */
+struct usbnet {
+ /* housekeeping */
+ struct usb_device *udev;
+ struct usb_interface *intf;
+ struct driver_info *driver_info;
+ const char *driver_name;
+ void *driver_priv;
+ wait_queue_head_t *wait;
+// struct mutex phy_mutex;
+ unsigned char suspend_count;
+
+ /* i/o info: pipes etc */
+ unsigned in, out;
+ struct usb_host_endpoint *status;
+ unsigned maxpacket;
+ struct timer_list delay;
+
+ /* protocol/interface state */
+ struct net_device *net;
+ struct net_device_stats stats;
+ int msg_enable;
+ unsigned long data [5];
+ u32 xid;
+ u32 hard_mtu; /* count any extra framing */
+ size_t rx_urb_size; /* size for rx urbs */
+ struct mii_if_info mii;
+
+ /* various kinds of pending driver work */
+ struct sk_buff_head rxq;
+ struct sk_buff_head txq;
+ struct sk_buff_head done;
+ struct sk_buff_head rxq_pause;
+ struct urb *interrupt;
+ struct tasklet_struct bh;
+
+ struct work_struct kevent;
+ unsigned long flags;
+# define EVENT_TX_HALT 0
+# define EVENT_RX_HALT 1
+# define EVENT_RX_MEMORY 2
+# define EVENT_STS_SPLIT 3
+# define EVENT_LINK_RESET 4
+# define EVENT_RX_PAUSED 5
+
+ void *priv; /* point to minidriver private data */
+ unsigned char rx_size;
+ int asix_suspend;
+ int intr_complete;
+ wait_queue_head_t intr_wait;
+};
+
+static inline struct usb_driver *driver_of(struct usb_interface *intf)
+{
+ return to_usb_driver(intf->dev.driver);
+}
+
+/* interface from the device/framing level "minidriver" to core */
+struct driver_info {
+ char *description;
+
+ int flags;
+/* framing is CDC Ethernet, not writing ZLPs (hw issues), or optionally: */
+#define FLAG_FRAMING_NC 0x0001 /* guard against device dropouts */
+#define FLAG_FRAMING_GL 0x0002 /* genelink batches packets */
+#define FLAG_FRAMING_Z 0x0004 /* zaurus adds a trailer */
+#define FLAG_FRAMING_RN 0x0008 /* RNDIS batches, plus huge header */
+
+#define FLAG_NO_SETINT 0x0010 /* device can't set_interface() */
+#define FLAG_ETHER 0x0020 /* maybe use "eth%d" names */
+
+#define FLAG_FRAMING_AX 0x0040 /* AX88772/178 packets */
+#define FLAG_WLAN 0x0080 /* use "wlan%d" names */
+#define FLAG_AVOID_UNLINK_URBS 0x0100 /* don't unlink urbs at usbnet_stop() */
+#define FLAG_SEND_ZLP 0x0200 /* hw requires ZLPs are sent */
+#define FLAG_HW_IP_ALIGNMENT 0x0400 /* AX88772B support hardware IP alignment */
+
+
+ /* init device ... can sleep, or cause probe() failure */
+ int (*bind)(struct usbnet *, struct usb_interface *);
+
+ /* cleanup device ... can sleep, but can't fail */
+ void (*unbind)(struct usbnet *, struct usb_interface *);
+
+ /* reset device ... can sleep */
+ int (*reset)(struct usbnet *);
+
+ /* stop device ... can sleep */
+ int (*stop)(struct usbnet *);
+
+ /* see if peer is connected ... can sleep */
+ int (*check_connect)(struct usbnet *);
+
+ /* for status polling */
+ void (*status)(struct usbnet *, struct urb *);
+
+ /* link reset handling, called from defer_kevent */
+ int (*link_reset)(struct usbnet *);
+
+ /* fixup rx packet (strip framing) */
+ int (*rx_fixup)(struct usbnet *dev, struct sk_buff *skb);
+
+ /* fixup tx packet (add framing) */
+ struct sk_buff *(*tx_fixup)(struct usbnet *dev,
+ struct sk_buff *skb, gfp_t flags);
+
+ /* early initialization code, can sleep. This is for minidrivers
+ * having 'subminidrivers' that need to do extra initialization
+ * right after minidriver have initialized hardware. */
+ int (*early_init)(struct usbnet *dev);
+
+ /* called by minidriver when receiving indication */
+ void (*indication)(struct usbnet *dev, void *ind, int indlen);
+
+ /* for new devices, use the descriptor-reading code instead */
+ int in; /* rx endpoint */
+ int out; /* tx endpoint */
+
+ unsigned long data; /* Misc driver specific data */
+};
+
+/* Drivers that reuse some of the standard USB CDC infrastructure
+ * (notably, using multiple interfaces according to the CDC
+ * union descriptor) get some helper code.
+ */
+struct cdc_state {
+ struct usb_cdc_header_desc *header;
+ struct usb_cdc_union_desc *u;
+ struct usb_cdc_ether_desc *ether;
+ struct usb_interface *control;
+ struct usb_interface *data;
+};
+
+/* CDC and RNDIS support the same host-chosen packet filters for IN transfers */
+#define DEFAULT_FILTER (USB_CDC_PACKET_TYPE_BROADCAST \
+ |USB_CDC_PACKET_TYPE_ALL_MULTICAST \
+ |USB_CDC_PACKET_TYPE_PROMISCUOUS \
+ |USB_CDC_PACKET_TYPE_DIRECTED)
+
+
+/* we record the state for each of our queued skbs */
+enum skb_state {
+ illegal = 0,
+ tx_start, tx_done,
+ rx_start, rx_done, rx_cleanup
+};
+
+struct skb_data { /* skb->cb is one of these */
+ struct urb *urb;
+ struct usbnet *dev;
+ enum skb_state state;
+ size_t length;
+};
+
+#ifndef skb_queue_walk_safe
+#define skb_queue_walk_safe(queue, skb, tmp) \
+ for (skb = (queue)->next, tmp = skb->next; \
+ skb != (struct sk_buff *)(queue); \
+ skb = tmp, tmp = skb->next)
+#endif
+
+/* messaging support includes the interface name, so it must not be
+ * used before it has one ... notably, in minidriver bind() calls.
+ */
+#ifdef DEBUG
+#define devdbg(usbnet, fmt, arg...) \
+ printk("%s: " fmt "\n" , (usbnet)->net->name , ## arg)
+#else
+#define devdbg(usbnet, fmt, arg...) \
+ ({ if (0) printk("%s: " fmt "\n" , (usbnet)->net->name , \
+ ## arg); 0; })
+#endif
+
+#define deverr(usbnet, fmt, arg...) \
+ printk(KERN_ERR "%s: " fmt "\n" , (usbnet)->net->name , ## arg)
+#define devwarn(usbnet, fmt, arg...) \
+ printk(KERN_WARNING "%s: " fmt "\n" , (usbnet)->net->name , ## arg)
+
+#define devinfo(usbnet, fmt, arg...) \
+ printk(KERN_INFO "%s: " fmt "\n" , (usbnet)->net->name , ## arg); \
+
+
+#endif /* __LINUX_USB_USBNET_H */
--- /dev/null
+/*
+ * Davicom DM9620 USB 2.0 10/100Mbps ethernet devices
+ *
+ * Peter Korsgaard <jacmet@sunsite.dk>
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ * V1.0 - ftp fail fixed
+ * V1.1 - model name checking, & ether plug function enhancement [0x4f, 0x20]
+ * V1.2 - init tx/rx checksum
+ * - fix dm_write_shared_word(), bug fix
+ * - fix 10 Mbps link at power saving mode fail
+ * V1.3 - Support kernel 2.6.31
+ * V1.4 - Support eeprom write of ethtool
+ * Support DM9685
+ * Transmit Check Sum Control by Optopn (Source Code Default: Disable)
+ * Recieve Drop Check Sum Error Packet Disable as chip default
+ * V1.5 - Support RK2818 (Debug the Register Function)
+ */
+
+//#define DEBUG
+
+#define RK2818
+
+
+#include <linux/module.h>
+//#include <linux/kernel.h> // new v1.3
+#include <linux/sched.h>
+#include <linux/stddef.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/mii.h>
+#include <linux/usb.h>
+#include <linux/crc32.h>
+#include <linux/usb/usbnet.h>
+#include <linux/ctype.h>
+#include <linux/skbuff.h>
+#include <linux/version.h> // new v1.3
+
+/* datasheet:
+ http://www.davicom.com.tw
+*/
+
+/* control requests */
+#define DM_READ_REGS 0x00
+#define DM_WRITE_REGS 0x01
+#define DM_READ_MEMS 0x02
+#define DM_WRITE_REG 0x03
+#define DM_WRITE_MEMS 0x05
+#define DM_WRITE_MEM 0x07
+
+/* registers */
+#define DM_NET_CTRL 0x00
+#define DM_RX_CTRL 0x05
+#define DM_SHARED_CTRL 0x0b
+#define DM_SHARED_ADDR 0x0c
+#define DM_SHARED_DATA 0x0d /* low + high */
+#define DM_EE_PHY_L 0x0d
+#define DM_EE_PHY_H 0x0e
+#define DM_WAKEUP_CTRL 0x0f
+#define DM_PHY_ADDR 0x10 /* 6 bytes */
+#define DM_MCAST_ADDR 0x16 /* 8 bytes */
+#define DM_GPR_CTRL 0x1e
+#define DM_GPR_DATA 0x1f
+#define DM_XPHY_CTRL 0x2e
+#define DM_TX_CRC_CTRL 0x31
+#define DM_RX_CRC_CTRL 0x32
+#define DM_SMIREG 0x91
+#define USB_CTRL 0xf4
+#define PHY_SPEC_CFG 20
+
+#define MD96XX_EEPROM_MAGIC 0x9620
+#define DM_MAX_MCAST 64
+#define DM_MCAST_SIZE 8
+#define DM_EEPROM_LEN 256
+#define DM_TX_OVERHEAD 2 /* 2 byte header */
+#define DM_RX_OVERHEAD_9601 7 /* 3 byte header + 4 byte crc tail */
+#define DM_RX_OVERHEAD 8 /* 4 byte header + 4 byte crc tail */
+#define DM_TIMEOUT 1000
+#define DM_MODE9620 0x80
+#define DM_TX_CS_EN 0 /* Transmit Check Sum Control */
+
+struct dm96xx_priv {
+ int flag_fail_count;
+ u8 mode_9620;
+};
+
+
+static int dm_read(struct usbnet *dev, u8 reg, u16 length, void *data)
+{
+ devdbg(dev, "dm_read() reg=0x%02x length=%d", reg, length);
+ return usb_control_msg(dev->udev,
+ usb_rcvctrlpipe(dev->udev, 0),
+ DM_READ_REGS,
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ 0, reg, data, length, USB_CTRL_SET_TIMEOUT); //USB_CTRL_SET_TIMEOUT V.S. USB_CTRL_GET_TIMEOUT
+}
+
+static int dm_read_reg(struct usbnet *dev, u8 reg, u8 *value)
+{
+// return dm_read(dev, reg, 1, value);
+
+ //__le16 w;
+ //int ret = dm_read(dev, reg, 2, &w); // usb_submit_urb
+ //*value= (u8)(w & 0xff);
+ //return ret;
+ u16 *tmpwPtr;
+ int ret;
+ tmpwPtr= kmalloc (2, GFP_ATOMIC);
+ if (!tmpwPtr)
+ {
+ printk("+++++++++++ JJ5 dm_read_reg() Error: can not kmalloc!\n"); //usbnet_suspend (intf, message);
+ return 0;
+ }
+
+ ret = dm_read(dev, reg, 2, tmpwPtr); // usb_submit_urb v.s. usb_control_msg
+ *value= (u8)(*tmpwPtr & 0xff);
+
+ kfree (tmpwPtr);
+ return ret;
+}
+
+static int dm_write(struct usbnet *dev, u8 reg, u16 length, void *data)
+{
+ devdbg(dev, "dm_write() reg=0x%02x, length=%d", reg, length);
+ return usb_control_msg(dev->udev,
+ usb_sndctrlpipe(dev->udev, 0),
+ DM_WRITE_REGS,
+ USB_DIR_OUT | USB_TYPE_VENDOR |USB_RECIP_DEVICE,
+ 0, reg, data, length, USB_CTRL_SET_TIMEOUT);
+}
+
+static int dm_write_reg(struct usbnet *dev, u8 reg, u8 value)
+{
+ devdbg(dev, "dm_write_reg() reg=0x%02x, value=0x%02x", reg, value);
+ return usb_control_msg(dev->udev,
+ usb_sndctrlpipe(dev->udev, 0),
+ DM_WRITE_REG,
+ USB_DIR_OUT | USB_TYPE_VENDOR |USB_RECIP_DEVICE,
+ value, reg, NULL, 0, USB_CTRL_SET_TIMEOUT);
+}
+
+static void dm_write_async_callback(struct urb *urb)
+{
+ struct usb_ctrlrequest *req = (struct usb_ctrlrequest *)urb->context;
+
+ if (urb->status < 0)
+ printk(KERN_DEBUG "dm_write_async_callback() failed with %d\n",
+ urb->status);
+
+ kfree(req);
+ usb_free_urb(urb);
+}
+
+static void dm_write_async_helper(struct usbnet *dev, u8 reg, u8 value,
+ u16 length, void *data)
+{
+ struct usb_ctrlrequest *req;
+ struct urb *urb;
+ int status;
+
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!urb) {
+ deverr(dev, "Error allocating URB in dm_write_async_helper!");
+ return;
+ }
+
+ req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC);
+ if (!req) {
+ deverr(dev, "Failed to allocate memory for control request");
+ usb_free_urb(urb);
+ return;
+ }
+
+ req->bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE;
+ req->bRequest = length ? DM_WRITE_REGS : DM_WRITE_REG;
+ req->wValue = cpu_to_le16(value);
+ req->wIndex = cpu_to_le16(reg);
+ req->wLength = cpu_to_le16(length);
+
+ usb_fill_control_urb(urb, dev->udev,
+ usb_sndctrlpipe(dev->udev, 0),
+ (void *)req, data, length,
+ dm_write_async_callback, req);
+
+ status = usb_submit_urb(urb, GFP_ATOMIC);
+ if (status < 0) {
+ deverr(dev, "Error submitting the control message: status=%d",
+ status);
+ kfree(req);
+ usb_free_urb(urb);
+ }
+}
+
+static void dm_write_async(struct usbnet *dev, u8 reg, u16 length, void *data)
+{
+ devdbg(dev, "dm_write_async() reg=0x%02x length=%d", reg, length);
+
+ dm_write_async_helper(dev, reg, 0, length, data);
+}
+
+static void dm_write_reg_async(struct usbnet *dev, u8 reg, u8 value)
+{
+ devdbg(dev, "dm_write_reg_async() reg=0x%02x value=0x%02x",
+ reg, value);
+
+ dm_write_async_helper(dev, reg, value, 0, NULL);
+}
+
+static int dm_read_shared_word(struct usbnet *dev, int phy, u8 reg, __le16 *value)
+{
+ int ret, i;
+
+ mutex_lock(&dev->phy_mutex);
+
+ dm_write_reg(dev, DM_SHARED_ADDR, phy ? (reg | 0x40) : reg);
+ dm_write_reg(dev, DM_SHARED_CTRL, phy ? 0xc : 0x4);
+
+ for (i = 0; i < DM_TIMEOUT; i++) {
+ u8 tmp;
+
+ udelay(1);
+ ret = dm_read_reg(dev, DM_SHARED_CTRL, &tmp);
+ if (ret < 0)
+ goto out;
+
+ /* ready */
+ if ((tmp & 1) == 0)
+ break;
+ }
+
+ if (i == DM_TIMEOUT) {
+ deverr(dev, "%s read timed out!", phy ? "phy" : "eeprom");
+ ret = -EIO;
+ goto out;
+ }
+
+ dm_write_reg(dev, DM_SHARED_CTRL, 0x0);
+ ret = dm_read(dev, DM_SHARED_DATA, 2, value);
+
+ devdbg(dev, "read shared %d 0x%02x returned 0x%04x, %d",
+ phy, reg, *value, ret);
+
+ out:
+ mutex_unlock(&dev->phy_mutex);
+ return ret;
+}
+
+static int dm_write_shared_word(struct usbnet *dev, int phy, u8 reg, __le16 value)
+{
+ int ret, i;
+
+ mutex_lock(&dev->phy_mutex);
+
+ ret = dm_write(dev, DM_SHARED_DATA, 2, &value);
+ if (ret < 0)
+ goto out;
+
+ dm_write_reg(dev, DM_SHARED_ADDR, phy ? (reg | 0x40) : reg);
+ //dm_write_reg(dev, DM_SHARED_CTRL, phy ? 0x0a : 0x12);
+ if (!phy) dm_write_reg(dev, DM_SHARED_CTRL, 0x10);
+ dm_write_reg(dev, DM_SHARED_CTRL, phy ? 0x0a : 0x12);
+ dm_write_reg(dev, DM_SHARED_CTRL, 0x10);
+
+ for (i = 0; i < DM_TIMEOUT; i++) {
+ u8 tmp;
+
+ udelay(1);
+ ret = dm_read_reg(dev, DM_SHARED_CTRL, &tmp);
+ if (ret < 0)
+ goto out;
+
+ /* ready */
+ if ((tmp & 1) == 0)
+ break;
+ }
+
+ if (i == DM_TIMEOUT) {
+ deverr(dev, "%s write timed out!", phy ? "phy" : "eeprom");
+ ret = -EIO;
+ goto out;
+ }
+
+ dm_write_reg(dev, DM_SHARED_CTRL, 0x0);
+
+out:
+ mutex_unlock(&dev->phy_mutex);
+ return ret;
+}
+
+static int dm_write_eeprom_word(struct usbnet *dev, int phy, u8 offset, u8 value)
+{
+ int ret, i;
+ u8 reg,dloc;
+ __le16 eeword;
+
+ //devwarn(dev, " offset =0x%x value = 0x%x ", offset,value);
+
+ /* hank: from offset to determin eeprom word register location,reg */
+ reg = (offset >> 1)&0xff;
+
+ /* hank: high/low byte by odd/even of offset */
+ dloc = (offset & 0x01)? DM_EE_PHY_H:DM_EE_PHY_L;
+
+ /* retrieve high and low byte from the corresponding reg*/
+ ret=dm_read_shared_word(dev,0,reg,&eeword);
+ //devwarn(dev, " reg =0x%x dloc = 0x%x eeword = 0x%4x", reg,dloc,eeword);
+
+ mutex_lock(&dev->phy_mutex);
+ /* hank: write data to eeprom high/low byte reg */
+ dm_write(dev, (offset & 0x01)? DM_EE_PHY_H:DM_EE_PHY_L, 1, &value);
+
+ /* load the unaffected word to value */
+ (offset & 0x01)? (value = eeword << 8):(value = eeword >> 8);
+
+ /* write the not modified 8 bits back to its origional high/low byte reg */
+ dm_write(dev, (offset & 0x01)? DM_EE_PHY_L:DM_EE_PHY_H, 1, &value);
+ if (ret < 0)
+ goto out;
+
+ /* hank : write word location to reg 0x0c */
+ ret = dm_write_reg(dev, DM_SHARED_ADDR, reg);
+
+ if (!phy) dm_write_reg(dev, DM_SHARED_CTRL, 0x10);
+ dm_write_reg(dev, DM_SHARED_CTRL, 0x12);
+ dm_write_reg(dev, DM_SHARED_CTRL, 0x10);
+
+ for (i = 0; i < DM_TIMEOUT; i++) {
+ u8 tmp;
+
+ udelay(1);
+ ret = dm_read_reg(dev, DM_SHARED_CTRL, &tmp);
+ if (ret < 0)
+ goto out;
+
+ /* ready */
+ if ((tmp & 1) == 0)
+ break;
+ }
+
+ if (i == DM_TIMEOUT) {
+ deverr(dev, "%s write timed out!", phy ? "phy" : "eeprom");
+ ret = -EIO;
+ goto out;
+ }
+
+ //dm_write_reg(dev, DM_SHARED_CTRL, 0x0);
+
+out:
+ mutex_unlock(&dev->phy_mutex);
+ return ret;
+}
+static int dm_read_eeprom_word(struct usbnet *dev, u8 offset, void *value)
+{
+ return dm_read_shared_word(dev, 0, offset, value);
+}
+
+
+static int dm9620_set_eeprom(struct net_device *net,struct ethtool_eeprom *eeprom, u8 *data)
+{
+ struct usbnet *dev = netdev_priv(net);
+
+ devwarn(dev, "EEPROM: magic value, magic = 0x%x offset =0x%x data = 0x%x ",eeprom->magic, eeprom->offset,*data);
+ if (eeprom->magic != MD96XX_EEPROM_MAGIC) {
+ devwarn(dev, "EEPROM: magic value mismatch, magic = 0x%x",
+ eeprom->magic);
+ return -EINVAL;
+ }
+
+ if(dm_write_eeprom_word(dev, 0, eeprom->offset, *data) < 0)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int dm9620_get_eeprom_len(struct net_device *dev)
+{
+ return DM_EEPROM_LEN;
+}
+
+static int dm9620_get_eeprom(struct net_device *net,
+ struct ethtool_eeprom *eeprom, u8 * data)
+{
+ struct usbnet *dev = netdev_priv(net);
+ __le16 *ebuf = (__le16 *) data;
+ int i;
+
+ /* access is 16bit */
+ if ((eeprom->offset % 2) || (eeprom->len % 2))
+ return -EINVAL;
+
+ for (i = 0; i < eeprom->len / 2; i++) {
+ if (dm_read_eeprom_word(dev, eeprom->offset / 2 + i,
+ &ebuf[i]) < 0)
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int dm9620_mdio_read(struct net_device *netdev, int phy_id, int loc)
+{
+ struct usbnet *dev = netdev_priv(netdev);
+
+ __le16 res;
+
+ if (phy_id) {
+ devdbg(dev, "Only internal phy supported");
+ return 0;
+ }
+
+ dm_read_shared_word(dev, 1, loc, &res);
+
+ devdbg(dev,
+ "dm9620_mdio_read() phy_id=0x%02x, loc=0x%02x, returns=0x%04x",
+ phy_id, loc, le16_to_cpu(res));
+
+ return le16_to_cpu(res);
+}
+
+static void dm9620_mdio_write(struct net_device *netdev, int phy_id, int loc,
+ int val)
+{
+ struct usbnet *dev = netdev_priv(netdev);
+ __le16 res = cpu_to_le16(val);
+ int mdio_val;
+
+ if (phy_id) {
+ devdbg(dev, "Only internal phy supported");
+ return;
+ }
+
+ devdbg(dev,"dm9620_mdio_write() phy_id=0x%02x, loc=0x%02x, val=0x%04x",
+ phy_id, loc, val);
+
+ dm_write_shared_word(dev, 1, loc, res);
+ mdelay(1);
+ mdio_val = dm9620_mdio_read(netdev, phy_id, loc);
+
+}
+
+static void dm9620_get_drvinfo(struct net_device *net,
+ struct ethtool_drvinfo *info)
+{
+ /* Inherit standard device info */
+ usbnet_get_drvinfo(net, info);
+ info->eedump_len = DM_EEPROM_LEN;
+}
+
+static u32 dm9620_get_link(struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+
+ return mii_link_ok(&dev->mii);
+}
+
+static int dm9620_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
+{
+ struct usbnet *dev = netdev_priv(net);
+
+ return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
+}
+
+
+#define DM_LINKEN (1<<5)
+#define DM_MAGICEN (1<<3)
+#define DM_LINKST (1<<2)
+#define DM_MAGICST (1<<0)
+
+static void
+dm9620_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
+{
+ struct usbnet *dev = netdev_priv(net);
+ u8 opt;
+
+ if (dm_read_reg(dev, DM_WAKEUP_CTRL, &opt) < 0) {
+ wolinfo->supported = 0;
+ wolinfo->wolopts = 0;
+ return;
+ }
+ wolinfo->supported = WAKE_PHY | WAKE_MAGIC;
+ wolinfo->wolopts = 0;
+
+ if (opt & DM_LINKEN)
+ wolinfo->wolopts |= WAKE_PHY;
+ if (opt & DM_MAGICEN)
+ wolinfo->wolopts |= WAKE_MAGIC;
+}
+
+
+static int
+dm9620_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
+{
+ struct usbnet *dev = netdev_priv(net);
+ u8 opt = 0;
+
+ if (wolinfo->wolopts & WAKE_PHY)
+ opt |= DM_LINKEN;
+ if (wolinfo->wolopts & WAKE_MAGIC)
+ opt |= DM_MAGICEN;
+
+ dm_write_reg(dev, DM_NET_CTRL, 0x48); // enable WAKEEN
+
+ dm_write_reg(dev, 0x92, 0x3f); //keep clock on Hank Jun 30
+
+ return dm_write_reg(dev, DM_WAKEUP_CTRL, opt);
+}
+
+static struct ethtool_ops dm9620_ethtool_ops = {
+ .get_drvinfo = dm9620_get_drvinfo,
+ .get_link = dm9620_get_link,
+ .get_msglevel = usbnet_get_msglevel,
+ .set_msglevel = usbnet_set_msglevel,
+ .get_eeprom_len = dm9620_get_eeprom_len,
+ .get_eeprom = dm9620_get_eeprom,
+ .set_eeprom = dm9620_set_eeprom,
+ .get_settings = usbnet_get_settings,
+ .set_settings = usbnet_set_settings,
+ .nway_reset = usbnet_nway_reset,
+ .get_wol = dm9620_get_wol,
+ .set_wol = dm9620_set_wol,
+};
+
+static void dm9620_set_multicast(struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+ /* We use the 20 byte dev->data for our 8 byte filter buffer
+ * to avoid allocating memory that is tricky to free later */
+ u8 *hashes = (u8 *) & dev->data;
+ u8 rx_ctl = 0x31;
+
+ memset(hashes, 0x00, DM_MCAST_SIZE);
+ hashes[DM_MCAST_SIZE - 1] |= 0x80; /* broadcast address */
+
+ if (net->flags & IFF_PROMISC) {
+ rx_ctl |= 0x02;
+ } else if (net->flags & IFF_ALLMULTI || net->mc_count > DM_MAX_MCAST) {
+ rx_ctl |= 0x04;
+ } else if (net->mc_count) {
+ struct dev_mc_list *mc_list = net->mc_list;
+ int i;
+
+ for (i = 0; i < net->mc_count; i++, mc_list = mc_list->next) {
+ u32 crc = ether_crc(ETH_ALEN, mc_list->dmi_addr) >> 26;
+ hashes[crc >> 3] |= 1 << (crc & 0x7);
+ }
+ }
+
+ dm_write_async(dev, DM_MCAST_ADDR, DM_MCAST_SIZE, hashes);
+ dm_write_reg_async(dev, DM_RX_CTRL, rx_ctl);
+}
+
+
+ static void __dm9620_set_mac_address(struct usbnet *dev)
+ {
+ dm_write_async(dev, DM_PHY_ADDR, ETH_ALEN, dev->net->dev_addr);
+ }
+
+ static int dm9620_set_mac_address(struct net_device *net, void *p)
+ {
+ struct sockaddr *addr = p;
+ struct usbnet *dev = netdev_priv(net);
+ int i;
+
+#if 1
+ printk("[dm96] Set mac addr %pM\n", addr->sa_data); // %x:%x:...
+ printk("[dm96] ");
+ for (i=0; i<net->addr_len; i++)
+ printk("[%02x] ", addr->sa_data[i]);
+ printk("\n");
+ #endif
+
+ if (!is_valid_ether_addr(addr->sa_data)) {
+ dev_err(&net->dev, "not setting invalid mac address %pM\n",
+ addr->sa_data);
+ return -EINVAL;
+ }
+
+ memcpy(net->dev_addr, addr->sa_data, net->addr_len);
+ __dm9620_set_mac_address(dev);
+
+ return 0;
+ }
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,31)
+
+static const struct net_device_ops vm_netdev_ops= { // new kernel 2.6.31 (20091217JJ)
+
+ .ndo_open = usbnet_open,
+ .ndo_stop = usbnet_stop,
+ .ndo_start_xmit = usbnet_start_xmit,
+ .ndo_tx_timeout = usbnet_tx_timeout,
+ .ndo_change_mtu = usbnet_change_mtu,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_do_ioctl = dm9620_ioctl,
+ .ndo_set_multicast_list = dm9620_set_multicast,
+ .ndo_set_mac_address = dm9620_set_mac_address,
+};
+#endif
+
+static int dm9620_bind(struct usbnet *dev, struct usb_interface *intf)
+{
+ int ret,mdio_val,i;
+ struct dm96xx_priv* priv;
+ u8 temp;
+ u8 tmp;
+
+ ret = usbnet_get_endpoints(dev, intf);
+ if (ret)
+ goto out;
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,31)
+ dev->net->netdev_ops = &vm_netdev_ops; // new kernel 2.6.31 (20091217JJ)
+ dev->net->ethtool_ops = &dm9620_ethtool_ops;
+#else
+ dev->net->do_ioctl = dm9620_ioctl;
+ dev->net->set_multicast_list = dm9620_set_multicast;
+ dev->net->ethtool_ops = &dm9620_ethtool_ops;
+#endif
+ dev->net->hard_header_len += DM_TX_OVERHEAD;
+ dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
+#ifdef RK2818 //harris 2010.12.27
+ dev->rx_urb_size = 8912; // ftp fail fixed
+#else
+ dev->rx_urb_size = dev->net->mtu + ETH_HLEN + DM_RX_OVERHEAD+1; // ftp fail fixed
+#endif
+
+ dev->mii.dev = dev->net;
+ dev->mii.mdio_read = dm9620_mdio_read;
+ dev->mii.mdio_write = dm9620_mdio_write;
+ dev->mii.phy_id_mask = 0x1f;
+ dev->mii.reg_num_mask = 0x1f;
+
+//JJ1
+ if ( (ret= dm_read_reg(dev, 0x29, &tmp)) >=0)
+ printk("++++++[dm962]+++++ dm_read_reg() 0x29 0x%02x\n",tmp);
+ else
+ printk("++++++[dm962]+++++ dm_read_reg() 0x29 fail-func-return %d\n", ret);
+
+ if ( (ret= dm_read_reg(dev, 0x28, &tmp)) >=0)
+ printk("++++++[dm962]+++++ dm_read_reg() 0x28 0x%02x\n",tmp);
+ else
+ printk("++++++[dm962]+++++ dm_read_reg() 0x28 fail-func-return %d\n", ret);
+
+ if ( (ret= dm_read_reg(dev, 0x2b, &tmp)) >=0)
+ printk("++++++[dm962]+++++ dm_read_reg() 0x2b 0x%02x\n",tmp);
+ else
+ printk("++++++[dm962]+++++ dm_read_reg() 0x2b fail-func-return %d\n", ret);
+ if ( (ret= dm_read_reg(dev, 0x2a, &tmp)) >=0)
+ printk("++++++[dm962]+++++ dm_read_reg() 0x2a 0x%02x\n",tmp);
+ else
+ printk("++++++[dm962]+++++ dm_read_reg() 0x2a fail-func-return %d\n", ret);
+
+//JJ3
+ if ( (ret= dm_read_reg(dev, 0xF2, &tmp)) >=0)
+ printk("++++++[dm962]+++++ dm_read_reg() 0xF2 0x%02x\n",tmp);
+ else
+ printk("++++++[dm962]+++++ dm_read_reg() 0xF2 fail-func-return %d\n", ret);
+
+ printk("++++++[dm962]+++++ [Analysis.2] 0xF2, D[7] %d %s\n", tmp>>7, (tmp&(1<<7))? "Err: RX Unexpected condition": "OK" );
+ printk("++++++[dm962]+++++ [Analysis.2] 0xF2, D[6] %d %s\n", (tmp>>6)&1, (tmp&(1<<6))? "Err: Host Suspend condition": "OK" );
+ printk("++++++[dm962]+++++ [Analysis.2] 0xF2, D[5] %d %s\n", (tmp>>5)&1, (tmp&(1<<5))? "EP1: Data Ready": "EP1: Empty" );
+ printk("++++++[dm962]+++++ [Analysis.2] 0xF2, D[3] %d %s\n", (tmp>>3)&1, (tmp&(1<<3))? "Err: Bulk out condition": "OK" );
+
+ printk("++++++[dm962]+++++ [Analysis.2] 0xF2, D[2] %d %s\n", (tmp>>2)&1, (tmp&(1<<2))? "Err: TX Buffer full": "OK" );
+ printk("++++++[dm962]+++++ [Analysis.2] 0xF2, D[1] %d %s\n", (tmp>>1)&1, (tmp&(1<<1))? "Warn: TX buffer Almost full": "OK" );
+ printk("++++++[dm962]+++++ [Analysis.2] 0xF2, D[0] %d %s\n", (tmp>>0)&1, (tmp&(1<<0))? "Status: TX buffer has pkts": "Status: TX buffer 0 pkts" );
+
+ /* reset */
+ dm_write_reg(dev, DM_XPHY_CTRL, 0); // dm9622/dm9685, bit[5](EXTERNAL), clear-it, add clk & limit to internal PHY
+ dm_write_reg(dev, DM_NET_CTRL, 1);
+ udelay(20);
+
+
+
+ /* Add V1.1, Enable auto link while plug in RJ45, Hank July 20, 2009*/
+ dm_write_reg(dev, USB_CTRL, 0x20);
+ /* read MAC */
+ if (dm_read(dev, DM_PHY_ADDR, ETH_ALEN, dev->net->dev_addr) < 0) {
+ printk(KERN_ERR "Error reading MAC address\n");
+ ret = -ENODEV;
+ goto out;
+ }
+
+#if 1
+ printk("[dm96] Chk mac addr %pM\n", dev->net->dev_addr); // %x:%x...
+ printk("[dm96] ");
+ for (i=0; i<ETH_ALEN; i++)
+ printk("[%02x] ", dev->net->dev_addr[i]);
+ printk("\n");
+#endif
+
+ /* read SMI mode register */
+ priv = dev->driver_priv = kmalloc(sizeof(struct dm96xx_priv), GFP_ATOMIC);
+ if (!priv) {
+ deverr(dev, "Failed to allocate memory for dm96xx_priv");
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ /* work-around for 9620 mode */
+ printk("[dm96] Fixme: work around for 9620 mode\n");
+ printk("[dm96] Add tx_fixup() debug...\n");
+ dm_write_reg(dev, DM_MCAST_ADDR, 0); // clear data bus to 0s
+ dm_read_reg(dev, DM_MCAST_ADDR, &temp); // clear data bus to 0s
+ ret = dm_read_reg(dev, DM_SMIREG, &temp); // Must clear data bus before we can read the 'MODE9620' bit
+
+ priv->flag_fail_count= 0;
+ if (ret<0) {
+ printk(KERN_ERR "[dm96] Error read SMI register\n");
+ }
+ else priv->mode_9620 = temp & DM_MODE9620;
+
+ printk(KERN_WARNING "[dm96] 9620 Mode = %d\n", priv->mode_9620);
+
+ /* power up phy */
+ dm_write_reg(dev, DM_GPR_CTRL, 1);
+ dm_write_reg(dev, DM_GPR_DATA, 0);
+
+ /* Init tx/rx checksum */
+#if DM_TX_CS_EN
+ dm_write_reg(dev, DM_TX_CRC_CTRL, 7);
+#endif
+ dm_write_reg(dev, DM_RX_CRC_CTRL, 2);
+
+ /* receive broadcast packets */
+ dm9620_set_multicast(dev->net);
+ dm9620_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
+
+ /* Hank add, work for comapubility issue (10M Power control) */
+
+ dm9620_mdio_write(dev->net, dev->mii.phy_id, PHY_SPEC_CFG, 0x800);
+ //printk("[dm96] dm962++ write phy[20]= 0x800\n");
+ mdio_val = dm9620_mdio_read(dev->net, dev->mii.phy_id, PHY_SPEC_CFG);
+ //printk("[dm96] dm962++ read phy[20]= %x\n",mdio_val );
+
+ dm9620_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
+ ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
+ mii_nway_restart(&dev->mii);
+
+out:
+ return ret;
+}
+
+void dm9620_unbind(struct usbnet *dev, struct usb_interface *intf)
+{
+struct dm96xx_priv* priv= dev->driver_priv;
+//u8 opt=0;
+//int i;
+ printk("dm9620_unbind():\n");
+
+ printk("flag_fail_count %lu\n", (long unsigned int)priv->flag_fail_count);
+ kfree(dev->driver_priv); // displayed dev->.. above, then can free dev
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,31)
+ printk("rx_length_errors %lu\n",dev->net->stats.rx_length_errors);
+ printk("rx_over_errors %lu\n",dev->net->stats.rx_over_errors );
+ printk("rx_crc_errors %lu\n",dev->net->stats.rx_crc_errors );
+ printk("rx_frame_errors %lu\n",dev->net->stats.rx_frame_errors );
+ printk("rx_fifo_errors %lu\n",dev->net->stats.rx_fifo_errors );
+ printk("rx_missed_errors %lu\n",dev->net->stats.rx_missed_errors);
+#else
+ printk("rx_length_errors %lu\n",dev->stats.rx_length_errors);
+ printk("rx_over_errors %lu\n",dev->stats.rx_over_errors );
+ printk("rx_crc_errors %lu\n",dev->stats.rx_crc_errors );
+ printk("rx_frame_errors %lu\n",dev->stats.rx_frame_errors );
+ printk("rx_fifo_errors %lu\n",dev->stats.rx_fifo_errors );
+ printk("rx_missed_errors %lu\n",dev->stats.rx_missed_errors);
+#endif
+
+// check if dm9620 receive magic packet
+//i=dm_read_reg(dev, DM_WAKEUP_CTRL, &opt);
+// printk("rx_magic_packet %lu\n",i);
+
+}
+
+static int dm9620_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
+{
+ u8 status;
+ int len;
+ struct dm96xx_priv* priv = (struct dm96xx_priv *)dev->driver_priv;
+
+ /* 9620 format:
+ b0: rx status
+ b1: packet length (incl crc) low
+ b2: packet length (incl crc) high
+ b3..n-4: packet data
+ bn-3..bn: ethernet crc
+ */
+
+ /* 9620 format:
+ one additional byte then 9620 :
+ rx_flag in the first pos
+ */
+
+ if (unlikely(skb->len < DM_RX_OVERHEAD_9601)) { // 20090623
+ dev_err(&dev->udev->dev, "unexpected tiny rx frame\n");
+ return 0;
+ }
+
+ if (priv->mode_9620) {
+ /* mode 9620 */
+
+ if (unlikely(skb->len < DM_RX_OVERHEAD)) { // 20090623
+ dev_err(&dev->udev->dev, "unexpected tiny rx frame\n");
+ return 0;
+ }
+
+ //. struct dm96xx_priv* priv= dev->driver_priv;
+ // if (skb->data[0]!=0x01)
+ // priv->flag_fail_count++;
+
+ status = skb->data[1];
+ len = (skb->data[2] | (skb->data[3] << 8)) - 4;
+
+ if (unlikely(status & 0xbf)) {
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,31)
+ if (status & 0x01) dev->net->stats.rx_fifo_errors++;
+ if (status & 0x02) dev->net->stats.rx_crc_errors++;
+ if (status & 0x04) dev->net->stats.rx_frame_errors++;
+ if (status & 0x20) dev->net->stats.rx_missed_errors++;
+ if (status & 0x90) dev->net->stats.rx_length_errors++;
+#else
+ if (status & 0x01) dev->stats.rx_fifo_errors++;
+ if (status & 0x02) dev->stats.rx_crc_errors++;
+ if (status & 0x04) dev->stats.rx_frame_errors++;
+ if (status & 0x20) dev->stats.rx_missed_errors++;
+ if (status & 0x90) dev->stats.rx_length_errors++;
+#endif
+ return 0;
+ }
+
+ skb_pull(skb, 4);
+ skb_trim(skb, len);
+
+ }
+ else { /* mode 9620 (original driver code) */
+ status = skb->data[0];
+ len = (skb->data[1] | (skb->data[2] << 8)) - 4;
+
+ if (unlikely(status & 0xbf)) {
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,31)
+ if (status & 0x01) dev->net->stats.rx_fifo_errors++;
+ if (status & 0x02) dev->net->stats.rx_crc_errors++;
+ if (status & 0x04) dev->net->stats.rx_frame_errors++;
+ if (status & 0x20) dev->net->stats.rx_missed_errors++;
+ if (status & 0x90) dev->net->stats.rx_length_errors++;
+#else
+ if (status & 0x01) dev->stats.rx_fifo_errors++;
+ if (status & 0x02) dev->stats.rx_crc_errors++;
+ if (status & 0x04) dev->stats.rx_frame_errors++;
+ if (status & 0x20) dev->stats.rx_missed_errors++;
+ if (status & 0x90) dev->stats.rx_length_errors++;
+#endif
+ return 0;
+ }
+
+ skb_pull(skb, 3);
+ skb_trim(skb, len);
+ }
+
+ return 1;
+} // 'priv'
+
+static struct sk_buff *dm9620_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
+ gfp_t flags)
+{
+ int len;
+
+ /* format:
+ b0: packet length low
+ b1: packet length high
+ b3..n: packet data
+ */
+
+ len = skb->len;
+
+ if (skb_headroom(skb) < DM_TX_OVERHEAD) {
+ struct sk_buff *skb2;
+ skb2 = skb_copy_expand(skb, DM_TX_OVERHEAD, 0, flags);
+ dev_kfree_skb_any(skb);
+ skb = skb2;
+ if (!skb)
+ return NULL;
+ }
+
+ __skb_push(skb, DM_TX_OVERHEAD);
+
+ /* usbnet adds padding if length is a multiple of packet size
+ if so, adjust length value in header */
+ if ((skb->len % dev->maxpacket) == 0)
+ len++;
+
+ skb->data[0] = len;
+ skb->data[1] = len >> 8;
+
+ /* hank, recalcute checksum of TCP */
+
+
+ return skb;
+} // 'kb'
+
+static void dm9620_status(struct usbnet *dev, struct urb *urb)
+{
+ int link;
+ u8 *buf;
+
+ /* format:
+ b0: net status
+ b1: tx status 1
+ b2: tx status 2
+ b3: rx status
+ b4: rx overflow
+ b5: rx count
+ b6: tx count
+ b7: gpr
+ */
+
+ if (urb->actual_length < 8)
+ return;
+
+ buf = urb->transfer_buffer;
+
+ link = !!(buf[0] & 0x40);
+ if (netif_carrier_ok(dev->net) != link) {
+ if (link) {
+ netif_carrier_on(dev->net);
+ usbnet_defer_kevent (dev, EVENT_LINK_RESET);
+ }
+ else
+ netif_carrier_off(dev->net);
+ devdbg(dev, "Link Status is: %d", link);
+ }
+}
+
+static int dm9620_link_reset(struct usbnet *dev)
+{
+ struct ethtool_cmd ecmd;
+ mii_check_media(&dev->mii, 1, 1);
+ mii_ethtool_gset(&dev->mii, &ecmd);
+ /* hank add*/
+dm9620_mdio_write(dev->net, dev->mii.phy_id, PHY_SPEC_CFG, 0x800);
+ devdbg(dev, "link_reset() speed: %d duplex: %d",
+ ecmd.speed, ecmd.duplex);
+
+ return 0;
+}
+
+static const struct driver_info dm9620_info = {
+ .description = "Davicom DM9620 USB Ethernet",
+ .flags = FLAG_ETHER,
+ .bind = dm9620_bind,
+ .rx_fixup = dm9620_rx_fixup,
+ .tx_fixup = dm9620_tx_fixup,
+ .status = dm9620_status,
+#ifdef RK2818 //harris 2010.12.27
+
+#else
+ .link_reset = dm9620_link_reset,
+ .reset = dm9620_link_reset,
+#endif
+ .unbind = dm9620_unbind,
+};
+
+static const struct usb_device_id products[] = {
+ {
+ USB_DEVICE(0x07aa, 0x9601), /* Corega FEther USB-TXC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0a46, 0x9601), /* Davicom USB-100 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0a46, 0x6688), /* ZT6688 USB NIC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0a46, 0x0268), /* ShanTou ST268 USB NIC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0a46, 0x8515), /* ADMtek ADM8515 USB NIC */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0a47, 0x9601), /* Hirose USB-100 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0a46, 0x9620), /* Davicom 9620 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0a46, 0x9621), /* Davicom 9621 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0a46, 0x9622), /* Davicom 9622 */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {
+ USB_DEVICE(0x0fe6, 0x8101), /* Davicom 9601 USB to Fast Ethernet Adapter */
+ .driver_info = (unsigned long)&dm9620_info,
+ },
+ {}, // END
+};
+
+MODULE_DEVICE_TABLE(usb, products);
+
+static struct usb_driver dm9620_driver = {
+// .name = "dm9601",
+ .name = "dm9620",
+ .id_table = products,
+ .probe = usbnet_probe,
+ .disconnect = usbnet_disconnect,
+ .suspend = usbnet_suspend,
+ .resume = usbnet_resume,
+};
+
+
+
+
+static int __init dm9620_init(void)
+{
+ return usb_register(&dm9620_driver);
+}
+
+static void __exit dm9620_exit(void)
+{
+ usb_deregister(&dm9620_driver);
+}
+
+module_init(dm9620_init);
+module_exit(dm9620_exit);
+
+MODULE_AUTHOR("Peter Korsgaard <jacmet@sunsite.dk>");
+MODULE_DESCRIPTION("Davicom DM9620 USB 2.0 ethernet devices");
+MODULE_LICENSE("GPL");
+
--- /dev/null
+/*
+ * SR9700_android one chip USB 2.0 ethernet devices
+ *
+ * Author : jokeliujl <jokeliu@163.com>
+ * Date : 2010-10-01
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+//#define DEBUG
+
+#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/stddef.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/mii.h>
+#include <linux/usb.h>
+#include <linux/crc32.h>
+#include <linux/usb/usbnet.h>
+
+#include "sr9700.h"
+
+/* ------------------------------------------------------------------------------------------ */
+/* sr9700_android mac and phy operations */
+/* sr9700_android read some registers from MAC */
+static int qf_read(struct usbnet *dev, u8 reg, u16 length, void *data)
+{
+ void *buf;
+ int err = -ENOMEM;
+
+ devdbg(dev, "qf_read() reg=0x%02x length=%d", reg, length);
+
+ buf = kmalloc(length, GFP_KERNEL);
+ if (!buf)
+ goto out;
+
+ err = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),
+ QF_RD_REGS, QF_REQ_RD_REG,
+ 0, reg, buf, length, USB_CTRL_SET_TIMEOUT);
+ if (err == length)
+ memcpy(data, buf, length);
+ else if (err >= 0)
+ err = -EINVAL;
+ kfree(buf);
+
+ out:
+ return err;
+}
+
+/* sr9700_android write some registers to MAC */
+static int qf_write(struct usbnet *dev, u8 reg, u16 length, void *data)
+{
+ void *buf = NULL;
+ int err = -ENOMEM;
+
+ devdbg(dev, "qf_write() reg=0x%02x, length=%d", reg, length);
+
+ if (data) {
+ buf = kmalloc(length, GFP_KERNEL);
+ if (!buf)
+ goto out;
+ memcpy(buf, data, length);
+ }
+
+ err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
+ QF_WR_REGS, QF_REQ_WR_REG,
+ 0, reg, buf, length, USB_CTRL_SET_TIMEOUT);
+ kfree(buf);
+ if (err >= 0 && err < length)
+ err = -EINVAL;
+ out:
+ return err;
+}
+
+/* sr9700_android read one register from MAC */
+static int qf_read_reg(struct usbnet *dev, u8 reg, u8 *value)
+{
+ return qf_read(dev, reg, 1, value);
+}
+
+/* sr9700_android write one register to MAC */
+static int qf_write_reg(struct usbnet *dev, u8 reg, u8 value)
+{
+ devdbg(dev, "qf_write_reg() reg=0x%02x, value=0x%02x", reg, value);
+ return usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
+ QF_WR_REG, QF_REQ_WR_REG,
+ value, reg, NULL, 0, USB_CTRL_SET_TIMEOUT);
+}
+
+/* async mode for writing registers or reg blocks */
+static void qf_write_async_callback(struct urb *urb)
+{
+ struct usb_ctrlrequest *req = (struct usb_ctrlrequest *)urb->context;
+
+ if (urb->status < 0)
+ printk(KERN_DEBUG "qf_write_async_callback() failed with %d\n", urb->status);
+
+ kfree(req);
+ usb_free_urb(urb);
+}
+
+static void qf_write_async_helper(struct usbnet *dev, u8 reg, u8 value, u16 length, void *data)
+{
+ struct usb_ctrlrequest *req;
+ struct urb *urb;
+ int status;
+
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!urb) {
+ deverr(dev, "Error allocating URB in qf_write_async_helper!");
+ return;
+ }
+
+ req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC);
+ if (!req) {
+ deverr(dev, "Failed to allocate memory for control request");
+ usb_free_urb(urb);
+ return;
+ }
+
+ req->bRequestType = QF_REQ_WR_REG;
+ req->bRequest = length ? QF_WR_REGS : QF_WR_REG;
+ req->wValue = cpu_to_le16(value);
+ req->wIndex = cpu_to_le16(reg);
+ req->wLength = cpu_to_le16(length);
+
+ usb_fill_control_urb(urb, dev->udev, usb_sndctrlpipe(dev->udev, 0),
+ (void *)req, data, length,
+ qf_write_async_callback, req);
+
+ status = usb_submit_urb(urb, GFP_ATOMIC);
+ if (status < 0) {
+ deverr(dev, "Error submitting the control message: status=%d",
+ status);
+ kfree(req);
+ usb_free_urb(urb);
+ }
+
+ return;
+}
+
+static void qf_write_async(struct usbnet *dev, u8 reg, u16 length, void *data)
+{
+ devdbg(dev, "qf_write_async() reg=0x%02x length=%d", reg, length);
+
+ qf_write_async_helper(dev, reg, 0, length, data);
+}
+
+static void qf_write_reg_async(struct usbnet *dev, u8 reg, u8 value)
+{
+ devdbg(dev, "qf_write_reg_async() reg=0x%02x value=0x%02x", reg, value);
+
+ qf_write_async_helper(dev, reg, value, 0, NULL);
+}
+
+/* sr9700_android read one word from phy or eeprom */
+static int qf_share_read_word(struct usbnet *dev, int phy, u8 reg, __le16 *value)
+{
+ int ret, i;
+
+ mutex_lock(&dev->phy_mutex);
+
+ qf_write_reg(dev, EPAR, phy ? (reg | 0x40) : reg);
+ qf_write_reg(dev, EPCR, phy ? 0xc : 0x4);
+
+ for (i = 0; i < QF_SHARE_TIMEOUT; i++) {
+ u8 tmp;
+
+ udelay(1);
+ ret = qf_read_reg(dev, EPCR, &tmp);
+ if (ret < 0)
+ goto out;
+
+ /* ready */
+ if ((tmp & 1) == 0)
+ break;
+ }
+
+ if (i >= QF_SHARE_TIMEOUT) {
+ deverr(dev, "%s read timed out!", phy ? "phy" : "eeprom");
+ ret = -EIO;
+ goto out;
+ }
+
+ qf_write_reg(dev, EPCR, 0x0);
+ ret = qf_read(dev, EPDR, 2, value);
+
+ devdbg(dev, "read shared %d 0x%02x returned 0x%04x, %d",
+ phy, reg, *value, ret);
+
+ out:
+ mutex_unlock(&dev->phy_mutex);
+ return ret;
+}
+
+/* write one word to phy or eeprom */
+static int qf_share_write_word(struct usbnet *dev, int phy, u8 reg, __le16 value)
+{
+ int ret, i;
+
+ mutex_lock(&dev->phy_mutex);
+
+ ret = qf_write(dev, EPDR, 2, &value);
+ if (ret < 0)
+ goto out;
+
+ qf_write_reg(dev, EPAR, phy ? (reg | 0x40) : reg);
+ qf_write_reg(dev, EPCR, phy ? 0x1a : 0x12);
+
+ for (i = 0; i < QF_SHARE_TIMEOUT; i++) {
+ u8 tmp;
+
+ udelay(1);
+ ret = qf_read_reg(dev, EPCR, &tmp);
+ if (ret < 0)
+ goto out;
+
+ /* ready */
+ if ((tmp & 1) == 0)
+ break;
+ }
+
+ if (i >= QF_SHARE_TIMEOUT) {
+ deverr(dev, "%s write timed out!", phy ? "phy" : "eeprom");
+ ret = -EIO;
+ goto out;
+ }
+
+ qf_write_reg(dev, EPCR, 0x0);
+
+out:
+ mutex_unlock(&dev->phy_mutex);
+ return ret;
+}
+
+static int qf_read_eeprom_word(struct usbnet *dev, u8 offset, void *value)
+{
+ return qf_share_read_word(dev, 0, offset, value);
+}
+
+
+static int sr9700_android_get_eeprom_len(struct net_device *dev)
+{
+ return QF_EEPROM_LEN;
+}
+
+/* get sr9700_android eeprom information */
+static int sr9700_android_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom, u8 * data)
+{
+ struct usbnet *dev = netdev_priv(net);
+ __le16 *ebuf = (__le16 *) data;
+ int i;
+
+ /* access is 16bit */
+ if ((eeprom->offset % 2) || (eeprom->len % 2))
+ return -EINVAL;
+
+ for (i = 0; i < eeprom->len / 2; i++) {
+ if (qf_read_eeprom_word(dev, eeprom->offset / 2 + i, &ebuf[i]) < 0)
+ return -EINVAL;
+ }
+ return 0;
+}
+
+/* sr9700_android mii-phy register read by word */
+static int sr9700_android_mdio_read(struct net_device *netdev, int phy_id, int loc)
+{
+ struct usbnet *dev = netdev_priv(netdev);
+
+ __le16 res;
+
+ if (phy_id) {
+ devdbg(dev, "Only internal phy supported");
+ return 0;
+ }
+
+ qf_share_read_word(dev, 1, loc, &res);
+
+ devdbg(dev,
+ "sr9700_android_mdio_read() phy_id=0x%02x, loc=0x%02x, returns=0x%04x",
+ phy_id, loc, le16_to_cpu(res));
+
+ return le16_to_cpu(res);
+}
+
+/* sr9700_android mii-phy register write by word */
+static void sr9700_android_mdio_write(struct net_device *netdev, int phy_id, int loc, int val)
+{
+ struct usbnet *dev = netdev_priv(netdev);
+ __le16 res = cpu_to_le16(val);
+
+ if (phy_id) {
+ devdbg(dev, "Only internal phy supported");
+ return;
+ }
+
+ devdbg(dev,"sr9700_android_mdio_write() phy_id=0x%02x, loc=0x%02x, val=0x%04x",
+ phy_id, loc, val);
+
+ qf_share_write_word(dev, 1, loc, res);
+}
+
+/*-------------------------------------------------------------------------------------------*/
+
+static void sr9700_android_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info)
+{
+ /* Inherit standard device info */
+ usbnet_get_drvinfo(net, info);
+ info->eedump_len = QF_EEPROM_LEN;
+}
+
+static u32 sr9700_android_get_link(struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+ int rc = 0;
+ u8 value = 0;
+
+#if 0
+ rc = mii_link_ok(&dev->mii);
+#else
+ qf_read_reg(dev, NSR, &value);
+ if(value & NSR_LINKST) {
+ rc = 1;
+ }
+#endif
+
+ return rc;
+}
+
+static int sr9700_android_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
+{
+ struct usbnet *dev = netdev_priv(net);
+
+ return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
+}
+
+static const struct ethtool_ops sr9700_android_ethtool_ops = {
+ .get_drvinfo = sr9700_android_get_drvinfo,
+ .get_link = sr9700_android_get_link,
+ .get_msglevel = usbnet_get_msglevel,
+ .set_msglevel = usbnet_set_msglevel,
+ .get_eeprom_len = sr9700_android_get_eeprom_len,
+ .get_eeprom = sr9700_android_get_eeprom,
+ .get_settings = usbnet_get_settings,
+ .set_settings = usbnet_set_settings,
+ .nway_reset = usbnet_nway_reset,
+};
+
+static void sr9700_android_set_multicast(struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+ /* We use the 20 byte dev->data for our 8 byte filter buffer
+ * to avoid allocating memory that is tricky to free later */
+ u8 *hashes = (u8 *) & dev->data;
+ u8 rx_ctl = 0x31; // enable, disable_long, disable_crc
+
+ memset(hashes, 0x00, QF_MCAST_SIZE);
+ hashes[QF_MCAST_SIZE - 1] |= 0x80; /* broadcast address */
+
+ if (net->flags & IFF_PROMISC) {
+ rx_ctl |= 0x02;
+ } else if (net->flags & IFF_ALLMULTI || net->mc_count > QF_MCAST_MAX) {
+ rx_ctl |= 0x04;
+ } else if (net->mc_count) {
+ struct dev_mc_list *mc_list = net->mc_list;
+ int i;
+
+ for (i = 0; i < net->mc_count; i++, mc_list = mc_list->next) {
+ u32 crc = ether_crc(ETH_ALEN, mc_list->dmi_addr) >> 26;
+ hashes[crc >> 3] |= 1 << (crc & 0x7);
+ }
+ }
+
+ qf_write_async(dev, MAR, QF_MCAST_SIZE, hashes);
+ qf_write_reg_async(dev, RCR, rx_ctl);
+}
+
+static int sr9700_android_set_mac_address(struct net_device *net, void *p)
+{
+ struct sockaddr *addr = p;
+ struct usbnet *dev = netdev_priv(net);
+
+ if (!is_valid_ether_addr(addr->sa_data)) {
+ dev_err(&net->dev, "not setting invalid mac address %pM\n",
+ addr->sa_data);
+ return -EINVAL;
+ }
+
+ memcpy(net->dev_addr, addr->sa_data, net->addr_len);
+ qf_write_async(dev, PAR, 6, dev->net->dev_addr);
+
+ return 0;
+}
+
+static const struct net_device_ops sr9700_android_netdev_ops = {
+ .ndo_open = usbnet_open,
+ .ndo_stop = usbnet_stop,
+ .ndo_start_xmit = usbnet_start_xmit,
+ .ndo_tx_timeout = usbnet_tx_timeout,
+ .ndo_change_mtu = usbnet_change_mtu,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_do_ioctl = sr9700_android_ioctl,
+ .ndo_set_multicast_list = sr9700_android_set_multicast,
+ .ndo_set_mac_address = sr9700_android_set_mac_address,
+};
+
+static int sr9700_android_bind(struct usbnet *dev, struct usb_interface *intf)
+{
+ int ret;
+
+ ret = usbnet_get_endpoints(dev, intf);
+ if (ret)
+ goto out;
+
+ dev->net->netdev_ops = &sr9700_android_netdev_ops;
+ dev->net->ethtool_ops = &sr9700_android_ethtool_ops;
+ dev->net->hard_header_len += QF_TX_OVERHEAD;
+ dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
+ dev->rx_urb_size =4096;// dev->net->mtu + ETH_HLEN + QF_RX_OVERHEAD;
+
+ dev->mii.dev = dev->net;
+ dev->mii.mdio_read = sr9700_android_mdio_read;
+ dev->mii.mdio_write = sr9700_android_mdio_write;
+ dev->mii.phy_id_mask = 0x1f;
+ dev->mii.reg_num_mask = 0x1f;
+
+ /* reset the sr9700_android */
+ qf_write_reg(dev, NCR, 1);
+ udelay(20);
+
+ /* read MAC */
+ if (qf_read(dev, PAR, ETH_ALEN, dev->net->dev_addr) < 0) {
+ printk(KERN_ERR "Error reading MAC address\n");
+ ret = -ENODEV;
+ goto out;
+ }
+
+ /* power up and reset phy */
+ qf_write_reg(dev, PRR, 1);
+ mdelay(20); // at least 10ms, here 20ms for safe
+ qf_write_reg(dev, PRR, 0);
+ udelay(2 * 1000); // at least 1ms, here 2ms for reading right register
+
+ /* receive broadcast packets */
+ sr9700_android_set_multicast(dev->net);
+
+ sr9700_android_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
+ sr9700_android_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE, ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
+ mii_nway_restart(&dev->mii);
+
+out:
+ return ret;
+}
+
+static int sr9700_android_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
+{
+ u8 status;
+ int len;
+
+ /* format:
+ b0: rx status
+ b1: packet length (incl crc) low
+ b2: packet length (incl crc) high
+ b3..n-4: packet data
+ bn-3..bn: ethernet crc
+ */
+
+ if (unlikely(skb->len < QF_RX_OVERHEAD)) {
+ dev_err(&dev->udev->dev, "unexpected tiny rx frame\n");
+ return 0;
+ }
+
+ status = skb->data[0];
+ len = (skb->data[1] | (skb->data[2] << 8)) - 4;
+
+ if (unlikely(status & 0xbf)) {
+ if (status & 0x01) dev->net->stats.rx_fifo_errors++;
+ if (status & 0x02) dev->net->stats.rx_crc_errors++;
+ if (status & 0x04) dev->net->stats.rx_frame_errors++;
+ if (status & 0x20) dev->net->stats.rx_missed_errors++;
+ if (status & 0x90) dev->net->stats.rx_length_errors++;
+ return 0;
+ }
+
+ skb_pull(skb, 3);
+ skb_trim(skb, len);
+
+ return 1;
+}
+
+static struct sk_buff *sr9700_android_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
+{
+ int len;
+
+ /* format:
+ b0: packet length low
+ b1: packet length high
+ b3..n: packet data
+ */
+
+ len = skb->len;
+
+ if (skb_headroom(skb) < QF_TX_OVERHEAD) {
+ struct sk_buff *skb2;
+
+ skb2 = skb_copy_expand(skb, QF_TX_OVERHEAD, 0, flags);
+ dev_kfree_skb_any(skb);
+ skb = skb2;
+ if (!skb)
+ return NULL;
+ }
+
+ __skb_push(skb, QF_TX_OVERHEAD);
+
+ /* usbnet adds padding if length is a multiple of packet size
+ if so, adjust length value in header */
+ if ((skb->len % dev->maxpacket) == 0)
+ len++;
+
+ skb->data[0] = len;
+ skb->data[1] = len >> 8;
+
+ return skb;
+}
+
+static void sr9700_android_status(struct usbnet *dev, struct urb *urb)
+{
+ int link;
+ u8 *buf;
+
+ /* format:
+ b0: net status
+ b1: tx status 1
+ b2: tx status 2
+ b3: rx status
+ b4: rx overflow
+ b5: rx count
+ b6: tx count
+ b7: gpr
+ */
+
+ if (urb->actual_length < 8)
+ return;
+
+ buf = urb->transfer_buffer;
+
+ link = !!(buf[0] & 0x40);
+ if (netif_carrier_ok(dev->net) != link) {
+ if (link) {
+ netif_carrier_on(dev->net);
+ usbnet_defer_kevent (dev, EVENT_LINK_RESET);
+ }
+ else
+ netif_carrier_off(dev->net);
+ devdbg(dev, "Link Status is: %d", link);
+ }
+}
+
+static int sr9700_android_link_reset(struct usbnet *dev)
+{
+ struct ethtool_cmd ecmd;
+
+ mii_check_media(&dev->mii, 1, 1);
+ mii_ethtool_gset(&dev->mii, &ecmd);
+
+ devdbg(dev, "link_reset() speed: %d duplex: %d",
+ ecmd.speed, ecmd.duplex);
+
+ return 0;
+}
+
+static const struct driver_info sr9700_android_info = {
+ .description = "SR9700_ANDROID USB Ethernet",
+ .flags = FLAG_ETHER,
+ .bind = sr9700_android_bind,
+ .rx_fixup = sr9700_android_rx_fixup,
+ .tx_fixup = sr9700_android_tx_fixup,
+ .status = sr9700_android_status,
+ .link_reset = sr9700_android_link_reset,
+ .reset = sr9700_android_link_reset,
+};
+
+static const struct usb_device_id products[] = {
+ {
+ USB_DEVICE(0x0fe6, 0x9700), /* SR9700_ANDROID device */
+ .driver_info = (unsigned long)&sr9700_android_info,
+ },
+ {}, // END
+};
+
+MODULE_DEVICE_TABLE(usb, products);
+
+static struct usb_driver sr9700_android_driver = {
+ .name = "SR9700_android",
+ .id_table = products,
+ .probe = usbnet_probe,
+ .disconnect = usbnet_disconnect,
+ .suspend = usbnet_suspend,
+ .resume = usbnet_resume,
+};
+
+static int __init sr9700_android_init(void)
+{
+ return usb_register(&sr9700_android_driver);
+}
+
+static void __exit sr9700_android_exit(void)
+{
+ usb_deregister(&sr9700_android_driver);
+}
+
+module_init(sr9700_android_init);
+module_exit(sr9700_android_exit);
+
+MODULE_AUTHOR("jokeliu <jokeliu@163.com>");
+MODULE_DESCRIPTION("SR9700 one chip USB 2.0 ethernet devices on android platform");
+MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * Copyright (c) 2009 jokeliu@163.com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * Author : jokeliujl <jokeliu@163.com>
+ * Date : 2010-10-01
+ */
+
+/* sr9700 spec. register table on android platform */
+/* Registers */
+#define NCR 0x00
+#define NSR 0x01
+#define TCR 0x02
+#define TSR1 0x03
+#define TSR2 0x04
+#define RCR 0x05
+#define RSR 0x06
+#define ROCR 0x07
+#define BPTR 0x08
+#define FCTR 0x09
+#define FCR 0x0A
+#define EPCR 0x0B
+#define EPAR 0x0C
+#define EPDR 0x0D // 0x0D ~ 0x0E
+#define WCR 0x0F
+#define PAR 0x10
+#define MAR 0x16
+#define PRR 0x1F
+#define TWPAL 0x20
+#define TWPAH 0x21
+#define TRPAL 0x22
+#define TRPAH 0x23
+#define RWPAL 0x24
+#define RWPAH 0x25
+#define RRPAL 0x26
+#define RRPAH 0x27
+#define VID 0x28
+#define PID 0x2A
+#define CHIPR 0x2C
+#define USBDA 0xF0
+#define RXC 0xF1
+#define TXC_USBS 0xF2
+#define USBC 0xF4
+
+/* Bit definition for registers */
+// Network Control Reg
+#define NCR_RST (1 << 0)
+#define NCR_LBK (3 << 1)
+#define NCR_FDX (1 << 3)
+#define NCR_WAKEEN (1 << 6)
+// Network Status Reg
+#define NSR_RXRDY (1 << 0)
+#define NSR_RXOV (1 << 1)
+#define NSR_TX1END (1 << 2)
+#define NSR_TX2END (1 << 3)
+#define NSR_TXFULL (1 << 4)
+#define NSR_WAKEST (1 << 5)
+#define NSR_LINKST (1 << 6)
+#define NSR_SPEED (1 << 7)
+// Tx Control Reg
+#define TCR_CRC_DIS (1 << 1)
+#define TCR_PAD_DIS (1 << 2)
+#define TCR_LC_CARE (1 << 3)
+#define TCR_CRS_CARE (1 << 4)
+#define TCR_EXCECM (1 << 5)
+#define TCR_LF_EN (1 << 6)
+// Tx Status Reg for Packet 1
+#define TSR1_EC (1 << 2)
+#define TSR1_COL (1 << 3)
+#define TSR1_LC (1 << 4)
+#define TSR1_NC (1 << 5)
+#define TSR1_LOC (1 << 6)
+#define TSR1_TLF (1 << 7)
+// Tx Status Reg for Packet 2
+#define TSR2_EC (1 << 2)
+#define TSR2_COL (1 << 3)
+#define TSR2_LC (1 << 4)
+#define TSR2_NC (1 << 5)
+#define TSR2_LOC (1 << 6)
+#define TSR2_TLF (1 << 7)
+// Rx Control Reg
+#define RCR_RXEN (1 << 0)
+#define RCR_PRMSC (1 << 1)
+#define RCR_RUNT (1 << 2)
+#define RCR_ALL (1 << 3)
+#define RCR_DIS_CRC (1 << 4)
+#define RCR_DIS_LONG (1 << 5)
+// Rx Status Reg
+#define RSR_AE (1 << 2)
+#define RSR_MF (1 << 6)
+#define RSR_RF (1 << 7)
+// Recv Overflow Counter Reg
+#define ROCR_ROC (0x7F << 0)
+#define ROCR_RXFU (1 << 7)
+// Back Pressure Threshold Reg
+#define BPTR_JPT (0x0F << 0)
+#define BPTR_BPHW (0x0F << 4)
+// Flow Control Threshold Reg
+#define FCTR_LWOT (0x0F << 0)
+#define FCTR_HWOT (0x0F << 4)
+// rx/tx Flow Control Reg
+#define FCR_FLCE (1 << 0)
+#define FCR_BKPA (1 << 4)
+#define FCR_TXPEN (1 << 5)
+#define FCR_TXPF (1 << 6)
+#define FCR_TXP0 (1 << 7)
+// EEPROM & PHY Control Reg
+#define EPCR_ERRE (1 << 0)
+#define EPCR_ERPRW (1 << 1)
+#define EPCR_ERPRR (1 << 2)
+#define EPCR_EPOS (1 << 3)
+#define EPCR_WEP (1 << 4)
+// EEPROM & PHY Address Reg
+#define EPAR_EROA (0x3F << 0)
+#define EPAR_PHY_ADR (0x03 << 6)
+// Wakeup Control Reg
+#define WCR_MAGICST (1 << 0)
+#define WCR_LINKST (1 << 2)
+#define WCR_MAGICEN (1 << 3)
+#define WCR_LINKEN (1 << 5)
+// Phy Reset Reg
+#define PRR_PHY_RST (1 << 0)
+// USB Device Address Reg
+#define USBDA_USBFA (0x7F << 0)
+// TX packet Counter & USB Status Reg
+#define TXC_USBS_TXC0 (1 << 0)
+#define TXC_USBS_TXC1 (1 << 1)
+#define TXC_USBS_TXC2 (1 << 2)
+#define TXC_USBS_EP1RDY (1 << 5)
+#define TXC_USBS_SUSFLAG (1 << 6)
+#define TXC_USBS_RXFAULT (1 << 7)
+// USB Control Reg
+#define USBC_EP3NAK (1 << 4)
+#define USBC_EP3ACK (1 << 5)
+
+/* Variables */
+#define QF_RD_REGS 0x00
+#define QF_WR_REGS 0x01
+#define QF_WR_REG 0x03
+#define QF_REQ_RD_REG (USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE)
+#define QF_REQ_WR_REG (USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE)
+
+#define QF_SHARE_TIMEOUT 1000
+#define QF_EEPROM_LEN 256
+#define QF_MCAST_SIZE 8
+#define QF_MCAST_MAX 64
+#define QF_TX_OVERHEAD 2 // 2bytes header
+#define QF_RX_OVERHEAD 7 // 3bytes header + 4crc tail
+
+/*----------------------------------------------------------------------------------------------*/
projects / firefly-linux-kernel-4.4.55.git / commitdiff