include/usb_ether.h

   1 /*
   2  * Copyright (c) 2011 The Chromium OS Authors.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #ifndef __USB_ETHER_H__
   8 #define __USB_ETHER_H__
   9
  10 #include <net.h>
  11
  12 /*
  13  *      IEEE 802.3 Ethernet magic constants.  The frame sizes omit the preamble
  14  *      and FCS/CRC (frame check sequence).
  15  */
  16 #define ETH_ALEN        6               /* Octets in one ethernet addr   */
  17 #define ETH_HLEN        14              /* Total octets in header.       */
  18 #define ETH_ZLEN        60              /* Min. octets in frame sans FCS */
  19 #define ETH_DATA_LEN    1500            /* Max. octets in payload        */
  20 #define ETH_FRAME_LEN   PKTSIZE_ALIGN   /* Max. octets in frame sans FCS */
  21 #define ETH_FCS_LEN     4               /* Octets in the FCS             */
  22
  23 struct ueth_data {
  24         /* eth info */
  25         struct eth_device eth_dev;              /* used with eth_register */
  26         int phy_id;                                             /* mii phy id */
  27
  28         /* usb info */
  29         struct usb_device *pusb_dev;    /* this usb_device */
  30         unsigned char   ifnum;                  /* interface number */
  31         unsigned char   ep_in;                  /* in endpoint */
  32         unsigned char   ep_out;                 /* out ....... */
  33         unsigned char   ep_int;                 /* interrupt . */
  34         unsigned char   subclass;               /* as in overview */
  35         unsigned char   protocol;               /* .............. */
  36         unsigned char   irqinterval;    /* Intervall for IRQ Pipe */
  37
  38         /* driver private */
  39         void *dev_priv;
  40 };
  41
  42 /*
  43  * Function definitions for each USB ethernet driver go here
  44  * (declaration is unconditional, compilation is conditional)
  45  */
  46 void asix_eth_before_probe(void);
  47 int asix_eth_probe(struct usb_device *dev, unsigned int ifnum,
  48                       struct ueth_data *ss);
  49 int asix_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
  50                       struct eth_device *eth);
  51
  52 void mcs7830_eth_before_probe(void);
  53 int mcs7830_eth_probe(struct usb_device *dev, unsigned int ifnum,
  54                       struct ueth_data *ss);
  55 int mcs7830_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
  56                          struct eth_device *eth);
  57
  58 void smsc95xx_eth_before_probe(void);
  59 int smsc95xx_eth_probe(struct usb_device *dev, unsigned int ifnum,
  60                         struct ueth_data *ss);
  61 int smsc95xx_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
  62                         struct eth_device *eth);
  63
  64 #endif /* __USB_ETHER_H__ */