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 22 struct ueth_data { 23 /* eth info */ 24 struct eth_device eth_dev; /* used with eth_register */ 25 int phy_id; /* mii phy id */ 26 27 /* usb info */ 28 struct usb_device *pusb_dev; /* this usb_device */ 29 unsigned char ifnum; /* interface number */ 30 unsigned char ep_in; /* in endpoint */ 31 unsigned char ep_out; /* out ....... */ 32 unsigned char ep_int; /* interrupt . */ 33 unsigned char subclass; /* as in overview */ 34 unsigned char protocol; /* .............. */ 35 unsigned char irqinterval; /* Intervall for IRQ Pipe */ 36 37 /* driver private */ 38 void *dev_priv; 39 }; 40 41 /* 42 * Function definitions for each USB ethernet driver go here 43 * (declaration is unconditional, compilation is conditional) 44 */ 45 void asix_eth_before_probe(void); 46 int asix_eth_probe(struct usb_device *dev, unsigned int ifnum, 47 struct ueth_data *ss); 48 int asix_eth_get_info(struct usb_device *dev, struct ueth_data *ss, 49 struct eth_device *eth); 50 51 void ax88179_eth_before_probe(void); 52 int ax88179_eth_probe(struct usb_device *dev, unsigned int ifnum, 53 struct ueth_data *ss); 54 int ax88179_eth_get_info(struct usb_device *dev, struct ueth_data *ss, 55 struct eth_device *eth); 56 57 void mcs7830_eth_before_probe(void); 58 int mcs7830_eth_probe(struct usb_device *dev, unsigned int ifnum, 59 struct ueth_data *ss); 60 int mcs7830_eth_get_info(struct usb_device *dev, struct ueth_data *ss, 61 struct eth_device *eth); 62 63 void smsc95xx_eth_before_probe(void); 64 int smsc95xx_eth_probe(struct usb_device *dev, unsigned int ifnum, 65 struct ueth_data *ss); 66 int smsc95xx_eth_get_info(struct usb_device *dev, struct ueth_data *ss, 67 struct eth_device *eth); 68 69 #endif /* __USB_ETHER_H__ */ 70