/* * Copyright (c) 2014 Rene Griessl * based on the U-Boot Asix driver as well as information * from the Linux AX88179_178a driver * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include #include #include "usb_ether.h" #include #include #include /* ASIX AX88179 based USB 3.0 Ethernet Devices */ #define AX88179_PHY_ID 0x03 #define AX_EEPROM_LEN 0x100 #define AX88179_EEPROM_MAGIC 0x17900b95 #define AX_MCAST_FLTSIZE 8 #define AX_MAX_MCAST 64 #define AX_INT_PPLS_LINK (1 << 16) #define AX_RXHDR_L4_TYPE_MASK 0x1c #define AX_RXHDR_L4_TYPE_UDP 4 #define AX_RXHDR_L4_TYPE_TCP 16 #define AX_RXHDR_L3CSUM_ERR 2 #define AX_RXHDR_L4CSUM_ERR 1 #define AX_RXHDR_CRC_ERR (1 << 29) #define AX_RXHDR_DROP_ERR (1 << 31) #define AX_ENDPOINT_INT 0x01 #define AX_ENDPOINT_IN 0x02 #define AX_ENDPOINT_OUT 0x03 #define AX_ACCESS_MAC 0x01 #define AX_ACCESS_PHY 0x02 #define AX_ACCESS_EEPROM 0x04 #define AX_ACCESS_EFUS 0x05 #define AX_PAUSE_WATERLVL_HIGH 0x54 #define AX_PAUSE_WATERLVL_LOW 0x55 #define PHYSICAL_LINK_STATUS 0x02 #define AX_USB_SS (1 << 2) #define AX_USB_HS (1 << 1) #define GENERAL_STATUS 0x03 #define AX_SECLD (1 << 2) #define AX_SROM_ADDR 0x07 #define AX_SROM_CMD 0x0a #define EEP_RD (1 << 2) #define EEP_BUSY (1 << 4) #define AX_SROM_DATA_LOW 0x08 #define AX_SROM_DATA_HIGH 0x09 #define AX_RX_CTL 0x0b #define AX_RX_CTL_DROPCRCERR (1 << 8) #define AX_RX_CTL_IPE (1 << 9) #define AX_RX_CTL_START (1 << 7) #define AX_RX_CTL_AP (1 << 5) #define AX_RX_CTL_AM (1 << 4) #define AX_RX_CTL_AB (1 << 3) #define AX_RX_CTL_AMALL (1 << 1) #define AX_RX_CTL_PRO (1 << 0) #define AX_RX_CTL_STOP 0 #define AX_NODE_ID 0x10 #define AX_MULFLTARY 0x16 #define AX_MEDIUM_STATUS_MODE 0x22 #define AX_MEDIUM_GIGAMODE (1 << 0) #define AX_MEDIUM_FULL_DUPLEX (1 << 1) #define AX_MEDIUM_EN_125MHZ (1 << 3) #define AX_MEDIUM_RXFLOW_CTRLEN (1 << 4) #define AX_MEDIUM_TXFLOW_CTRLEN (1 << 5) #define AX_MEDIUM_RECEIVE_EN (1 << 8) #define AX_MEDIUM_PS (1 << 9) #define AX_MEDIUM_JUMBO_EN 0x8040 #define AX_MONITOR_MOD 0x24 #define AX_MONITOR_MODE_RWLC (1 << 1) #define AX_MONITOR_MODE_RWMP (1 << 2) #define AX_MONITOR_MODE_PMEPOL (1 << 5) #define AX_MONITOR_MODE_PMETYPE (1 << 6) #define AX_GPIO_CTRL 0x25 #define AX_GPIO_CTRL_GPIO3EN (1 << 7) #define AX_GPIO_CTRL_GPIO2EN (1 << 6) #define AX_GPIO_CTRL_GPIO1EN (1 << 5) #define AX_PHYPWR_RSTCTL 0x26 #define AX_PHYPWR_RSTCTL_BZ (1 << 4) #define AX_PHYPWR_RSTCTL_IPRL (1 << 5) #define AX_PHYPWR_RSTCTL_AT (1 << 12) #define AX_RX_BULKIN_QCTRL 0x2e #define AX_CLK_SELECT 0x33 #define AX_CLK_SELECT_BCS (1 << 0) #define AX_CLK_SELECT_ACS (1 << 1) #define AX_CLK_SELECT_ULR (1 << 3) #define AX_RXCOE_CTL 0x34 #define AX_RXCOE_IP (1 << 0) #define AX_RXCOE_TCP (1 << 1) #define AX_RXCOE_UDP (1 << 2) #define AX_RXCOE_TCPV6 (1 << 5) #define AX_RXCOE_UDPV6 (1 << 6) #define AX_TXCOE_CTL 0x35 #define AX_TXCOE_IP (1 << 0) #define AX_TXCOE_TCP (1 << 1) #define AX_TXCOE_UDP (1 << 2) #define AX_TXCOE_TCPV6 (1 << 5) #define AX_TXCOE_UDPV6 (1 << 6) #define AX_LEDCTRL 0x73 #define GMII_PHY_PHYSR 0x11 #define GMII_PHY_PHYSR_SMASK 0xc000 #define GMII_PHY_PHYSR_GIGA (1 << 15) #define GMII_PHY_PHYSR_100 (1 << 14) #define GMII_PHY_PHYSR_FULL (1 << 13) #define GMII_PHY_PHYSR_LINK (1 << 10) #define GMII_LED_ACT 0x1a #define GMII_LED_ACTIVE_MASK 0xff8f #define GMII_LED0_ACTIVE (1 << 4) #define GMII_LED1_ACTIVE (1 << 5) #define GMII_LED2_ACTIVE (1 << 6) #define GMII_LED_LINK 0x1c #define GMII_LED_LINK_MASK 0xf888 #define GMII_LED0_LINK_10 (1 << 0) #define GMII_LED0_LINK_100 (1 << 1) #define GMII_LED0_LINK_1000 (1 << 2) #define GMII_LED1_LINK_10 (1 << 4) #define GMII_LED1_LINK_100 (1 << 5) #define GMII_LED1_LINK_1000 (1 << 6) #define GMII_LED2_LINK_10 (1 << 8) #define GMII_LED2_LINK_100 (1 << 9) #define GMII_LED2_LINK_1000 (1 << 10) #define LED0_ACTIVE (1 << 0) #define LED0_LINK_10 (1 << 1) #define LED0_LINK_100 (1 << 2) #define LED0_LINK_1000 (1 << 3) #define LED0_FD (1 << 4) #define LED0_USB3_MASK 0x001f #define LED1_ACTIVE (1 << 5) #define LED1_LINK_10 (1 << 6) #define LED1_LINK_100 (1 << 7) #define LED1_LINK_1000 (1 << 8) #define LED1_FD (1 << 9) #define LED1_USB3_MASK 0x03e0 #define LED2_ACTIVE (1 << 10) #define LED2_LINK_1000 (1 << 13) #define LED2_LINK_100 (1 << 12) #define LED2_LINK_10 (1 << 11) #define LED2_FD (1 << 14) #define LED_VALID (1 << 15) #define LED2_USB3_MASK 0x7c00 #define GMII_PHYPAGE 0x1e #define GMII_PHY_PAGE_SELECT 0x1f #define GMII_PHY_PGSEL_EXT 0x0007 #define GMII_PHY_PGSEL_PAGE0 0x0000 /* local defines */ #define ASIX_BASE_NAME "axg" #define USB_CTRL_SET_TIMEOUT 5000 #define USB_CTRL_GET_TIMEOUT 5000 #define USB_BULK_SEND_TIMEOUT 5000 #define USB_BULK_RECV_TIMEOUT 5000 #define AX_RX_URB_SIZE 1024 * 0x12 #define BLK_FRAME_SIZE 0x200 #define PHY_CONNECT_TIMEOUT 5000 #define TIMEOUT_RESOLUTION 50 /* ms */ #define FLAG_NONE 0 #define FLAG_TYPE_AX88179 (1U << 0) #define FLAG_TYPE_AX88178a (1U << 1) #define FLAG_TYPE_DLINK_DUB1312 (1U << 2) #define FLAG_TYPE_SITECOM (1U << 3) #define FLAG_TYPE_SAMSUNG (1U << 4) #define FLAG_TYPE_LENOVO (1U << 5) #define FLAG_TYPE_GX3 (1U << 6) /* local vars */ static const struct { unsigned char ctrl, timer_l, timer_h, size, ifg; } AX88179_BULKIN_SIZE[] = { {7, 0x4f, 0, 0x02, 0xff}, {7, 0x20, 3, 0x03, 0xff}, {7, 0xae, 7, 0x04, 0xff}, {7, 0xcc, 0x4c, 0x04, 8}, }; static int curr_eth_dev; /* index for name of next device detected */ /* driver private */ struct asix_private { int flags; int rx_urb_size; int maxpacketsize; }; /* * Asix infrastructure commands */ static int asix_write_cmd(struct ueth_data *dev, u8 cmd, u16 value, u16 index, u16 size, void *data) { int len; ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buf, size); debug("asix_write_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n", cmd, value, index, size); memcpy(buf, data, size); len = usb_control_msg( dev->pusb_dev, usb_sndctrlpipe(dev->pusb_dev, 0), cmd, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, index, buf, size, USB_CTRL_SET_TIMEOUT); return len == size ? 0 : ECOMM; } static int asix_read_cmd(struct ueth_data *dev, u8 cmd, u16 value, u16 index, u16 size, void *data) { int len; ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buf, size); debug("asix_read_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n", cmd, value, index, size); len = usb_control_msg( dev->pusb_dev, usb_rcvctrlpipe(dev->pusb_dev, 0), cmd, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, index, buf, size, USB_CTRL_GET_TIMEOUT); memcpy(data, buf, size); return len == size ? 0 : ECOMM; } static int asix_read_mac(struct eth_device *eth) { struct ueth_data *dev = (struct ueth_data *)eth->priv; u8 buf[ETH_ALEN]; asix_read_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, 6, 6, buf); debug("asix_read_mac() returning %02x:%02x:%02x:%02x:%02x:%02x\n", buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]); memcpy(eth->enetaddr, buf, ETH_ALEN); return 0; } static int asix_write_mac(struct eth_device *eth) { struct ueth_data *dev = (struct ueth_data *)eth->priv; int ret; ret = asix_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN, ETH_ALEN, eth->enetaddr); if (ret < 0) debug("Failed to set MAC address: %02x\n", ret); return ret; } static int asix_basic_reset(struct ueth_data *dev) { struct asix_private *dev_priv = (struct asix_private *)dev->dev_priv; u8 buf[5]; u16 *tmp16; u8 *tmp; tmp16 = (u16 *)buf; tmp = (u8 *)buf; /* Power up ethernet PHY */ *tmp16 = 0; asix_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16); *tmp16 = AX_PHYPWR_RSTCTL_IPRL; asix_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16); mdelay(200); *tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS; asix_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp); mdelay(200); /* RX bulk configuration */ memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5); asix_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp); dev_priv->rx_urb_size = 128 * 20; /* Water Level configuration */ *tmp = 0x34; asix_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp); *tmp = 0x52; asix_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH, 1, 1, tmp); /* Enable checksum offload */ *tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP | AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6; asix_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, tmp); *tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP | AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6; asix_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp); /* Configure RX control register => start operation */ *tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START | AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB; asix_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16); *tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL | AX_MONITOR_MODE_RWMP; asix_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp); /* Configure default medium type => giga */ *tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN | AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_FULL_DUPLEX | AX_MEDIUM_GIGAMODE | AX_MEDIUM_JUMBO_EN; asix_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE, 2, 2, tmp16); u16 adv = 0; adv = ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_LPACK | ADVERTISE_NPAGE | ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP; asix_write_cmd(dev, AX_ACCESS_PHY, 0x03, MII_ADVERTISE, 2, &adv); adv = ADVERTISE_1000FULL; asix_write_cmd(dev, AX_ACCESS_PHY, 0x03, MII_CTRL1000, 2, &adv); return 0; } static int asix_wait_link(struct ueth_data *dev) { int timeout = 0; int link_detected; u8 buf[2]; u16 *tmp16; tmp16 = (u16 *)buf; do { asix_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID, MII_BMSR, 2, buf); link_detected = *tmp16 & BMSR_LSTATUS; if (!link_detected) { if (timeout == 0) printf("Waiting for Ethernet connection... "); mdelay(TIMEOUT_RESOLUTION); timeout += TIMEOUT_RESOLUTION; } } while (!link_detected && timeout < PHY_CONNECT_TIMEOUT); if (link_detected) { if (timeout > 0) printf("done.\n"); return 0; } else { printf("unable to connect.\n"); return -ENETUNREACH; } } /* * Asix callbacks */ static int asix_init(struct eth_device *eth, bd_t *bd) { struct ueth_data *dev = (struct ueth_data *)eth->priv; struct asix_private *dev_priv = (struct asix_private *)dev->dev_priv; u8 buf[2], tmp[5], link_sts; u16 *tmp16, mode; tmp16 = (u16 *)buf; debug("** %s()\n", __func__); /* Configure RX control register => start operation */ *tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START | AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB; if (asix_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16) != 0) goto out_err; if (asix_wait_link(dev) != 0) { /*reset device and try again*/ printf("Reset Ethernet Device\n"); asix_basic_reset(dev); if (asix_wait_link(dev) != 0) goto out_err; } /* Configure link */ mode = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN | AX_MEDIUM_RXFLOW_CTRLEN; asix_read_cmd(dev, AX_ACCESS_MAC, PHYSICAL_LINK_STATUS, 1, 1, &link_sts); asix_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID, GMII_PHY_PHYSR, 2, tmp16); if (!(*tmp16 & GMII_PHY_PHYSR_LINK)) { return 0; } else if (GMII_PHY_PHYSR_GIGA == (*tmp16 & GMII_PHY_PHYSR_SMASK)) { mode |= AX_MEDIUM_GIGAMODE | AX_MEDIUM_EN_125MHZ | AX_MEDIUM_JUMBO_EN; if (link_sts & AX_USB_SS) memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5); else if (link_sts & AX_USB_HS) memcpy(tmp, &AX88179_BULKIN_SIZE[1], 5); else memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5); } else if (GMII_PHY_PHYSR_100 == (*tmp16 & GMII_PHY_PHYSR_SMASK)) { mode |= AX_MEDIUM_PS; if (link_sts & (AX_USB_SS | AX_USB_HS)) memcpy(tmp, &AX88179_BULKIN_SIZE[2], 5); else memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5); } else { memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5); } /* RX bulk configuration */ asix_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp); dev_priv->rx_urb_size = (1024 * (tmp[3] + 2)); if (*tmp16 & GMII_PHY_PHYSR_FULL) mode |= AX_MEDIUM_FULL_DUPLEX; asix_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE, 2, 2, &mode); return 0; out_err: return -1; } static int asix_send(struct eth_device *eth, void *packet, int length) { struct ueth_data *dev = (struct ueth_data *)eth->priv; struct asix_private *dev_priv = (struct asix_private *)dev->dev_priv; int err; u32 packet_len, tx_hdr2; int actual_len, framesize; ALLOC_CACHE_ALIGN_BUFFER(unsigned char, msg, PKTSIZE + (2 * sizeof(packet_len))); debug("** %s(), len %d\n", __func__, length); packet_len = length; cpu_to_le32s(&packet_len); memcpy(msg, &packet_len, sizeof(packet_len)); framesize = dev_priv->maxpacketsize; tx_hdr2 = 0; if (((length + 8) % framesize) == 0) tx_hdr2 |= 0x80008000; /* Enable padding */ cpu_to_le32s(&tx_hdr2); memcpy(msg + sizeof(packet_len), &tx_hdr2, sizeof(tx_hdr2)); memcpy(msg + sizeof(packet_len) + sizeof(tx_hdr2), (void *)packet, length); err = usb_bulk_msg(dev->pusb_dev, usb_sndbulkpipe(dev->pusb_dev, dev->ep_out), (void *)msg, length + sizeof(packet_len) + sizeof(tx_hdr2), &actual_len, USB_BULK_SEND_TIMEOUT); debug("Tx: len = %zu, actual = %u, err = %d\n", length + sizeof(packet_len), actual_len, err); return err; } static int asix_recv(struct eth_device *eth) { struct ueth_data *dev = (struct ueth_data *)eth->priv; struct asix_private *dev_priv = (struct asix_private *)dev->dev_priv; u16 frame_pos; int err; int actual_len; int pkt_cnt; u32 rx_hdr; u16 hdr_off; u32 *pkt_hdr; ALLOC_CACHE_ALIGN_BUFFER(u8, recv_buf, dev_priv->rx_urb_size); actual_len = -1; debug("** %s()\n", __func__); err = usb_bulk_msg(dev->pusb_dev, usb_rcvbulkpipe(dev->pusb_dev, dev->ep_in), (void *)recv_buf, dev_priv->rx_urb_size, &actual_len, USB_BULK_RECV_TIMEOUT); debug("Rx: len = %u, actual = %u, err = %d\n", dev_priv->rx_urb_size, actual_len, err); if (err != 0) { debug("Rx: failed to receive\n"); return -ECOMM; } if (actual_len > dev_priv->rx_urb_size) { debug("Rx: received too many bytes %d\n", actual_len); return -EMSGSIZE; } rx_hdr = *(u32 *)(recv_buf + actual_len - 4); le32_to_cpus(&pkt_hdr); pkt_cnt = (u16)rx_hdr; hdr_off = (u16)(rx_hdr >> 16); pkt_hdr = (u32 *)(recv_buf + hdr_off); frame_pos = 0; while (pkt_cnt--) { u16 pkt_len; le32_to_cpus(pkt_hdr); pkt_len = (*pkt_hdr >> 16) & 0x1fff; frame_pos += 2; net_process_received_packet(recv_buf + frame_pos, pkt_len); pkt_hdr++; frame_pos += ((pkt_len + 7) & 0xFFF8)-2; if (pkt_cnt == 0) return 0; } return err; } static void asix_halt(struct eth_device *eth) { debug("** %s()\n", __func__); } /* * Asix probing functions */ void ax88179_eth_before_probe(void) { curr_eth_dev = 0; } struct asix_dongle { unsigned short vendor; unsigned short product; int flags; }; static const struct asix_dongle asix_dongles[] = { { 0x0b95, 0x1790, FLAG_TYPE_AX88179 }, { 0x0b95, 0x178a, FLAG_TYPE_AX88178a }, { 0x2001, 0x4a00, FLAG_TYPE_DLINK_DUB1312 }, { 0x0df6, 0x0072, FLAG_TYPE_SITECOM }, { 0x04e8, 0xa100, FLAG_TYPE_SAMSUNG }, { 0x17ef, 0x304b, FLAG_TYPE_LENOVO }, { 0x04b4, 0x3610, FLAG_TYPE_GX3 }, { 0x0000, 0x0000, FLAG_NONE } /* END - Do not remove */ }; /* Probe to see if a new device is actually an asix device */ int ax88179_eth_probe(struct usb_device *dev, unsigned int ifnum, struct ueth_data *ss) { struct usb_interface *iface; struct usb_interface_descriptor *iface_desc; struct asix_private *dev_priv; int ep_in_found = 0, ep_out_found = 0; int i; /* let's examine the device now */ iface = &dev->config.if_desc[ifnum]; iface_desc = &dev->config.if_desc[ifnum].desc; for (i = 0; asix_dongles[i].vendor != 0; i++) { if (dev->descriptor.idVendor == asix_dongles[i].vendor && dev->descriptor.idProduct == asix_dongles[i].product) /* Found a supported dongle */ break; } if (asix_dongles[i].vendor == 0) return 0; memset(ss, 0, sizeof(struct ueth_data)); /* At this point, we know we've got a live one */ debug("\n\nUSB Ethernet device detected: %#04x:%#04x\n", dev->descriptor.idVendor, dev->descriptor.idProduct); /* Initialize the ueth_data structure with some useful info */ ss->ifnum = ifnum; ss->pusb_dev = dev; ss->subclass = iface_desc->bInterfaceSubClass; ss->protocol = iface_desc->bInterfaceProtocol; /* alloc driver private */ ss->dev_priv = calloc(1, sizeof(struct asix_private)); if (!ss->dev_priv) return 0; dev_priv = ss->dev_priv; dev_priv->flags = asix_dongles[i].flags; /* * We are expecting a minimum of 3 endpoints - in, out (bulk), and * int. We will ignore any others. */ for (i = 0; i < iface_desc->bNumEndpoints; i++) { /* is it an interrupt endpoint? */ if ((iface->ep_desc[i].bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) { ss->ep_int = iface->ep_desc[i].bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; ss->irqinterval = iface->ep_desc[i].bInterval; continue; } /* is it an BULK endpoint? */ if (!((iface->ep_desc[i].bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK)) continue; u8 ep_addr = iface->ep_desc[i].bEndpointAddress; if ((ep_addr & USB_DIR_IN) && !ep_in_found) { ss->ep_in = ep_addr & USB_ENDPOINT_NUMBER_MASK; ep_in_found = 1; } if (!(ep_addr & USB_DIR_IN) && !ep_out_found) { ss->ep_out = ep_addr & USB_ENDPOINT_NUMBER_MASK; dev_priv->maxpacketsize = dev->epmaxpacketout[AX_ENDPOINT_OUT]; ep_out_found = 1; } } debug("Endpoints In %d Out %d Int %d\n", ss->ep_in, ss->ep_out, ss->ep_int); /* Do some basic sanity checks, and bail if we find a problem */ if (usb_set_interface(dev, iface_desc->bInterfaceNumber, 0) || !ss->ep_in || !ss->ep_out || !ss->ep_int) { debug("Problems with device\n"); return 0; } dev->privptr = (void *)ss; return 1; } int ax88179_eth_get_info(struct usb_device *dev, struct ueth_data *ss, struct eth_device *eth) { if (!eth) { debug("%s: missing parameter.\n", __func__); return 0; } sprintf(eth->name, "%s%d", ASIX_BASE_NAME, curr_eth_dev++); eth->init = asix_init; eth->send = asix_send; eth->recv = asix_recv; eth->halt = asix_halt; eth->write_hwaddr = asix_write_mac; eth->priv = ss; if (asix_basic_reset(ss)) return 0; /* Get the MAC address */ if (asix_read_mac(eth)) return 0; debug("MAC %pM\n", eth->enetaddr); return 1; }