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 ax88179_eth_before_probe(void); 53 int ax88179_eth_probe(struct usb_device *dev, unsigned int ifnum, 54 struct ueth_data *ss); 55 int ax88179_eth_get_info(struct usb_device *dev, struct ueth_data *ss, 56 struct eth_device *eth); 57 58 void mcs7830_eth_before_probe(void); 59 int mcs7830_eth_probe(struct usb_device *dev, unsigned int ifnum, 60 struct ueth_data *ss); 61 int mcs7830_eth_get_info(struct usb_device *dev, struct ueth_data *ss, 62 struct eth_device *eth); 63 64 void smsc95xx_eth_before_probe(void); 65 int smsc95xx_eth_probe(struct usb_device *dev, unsigned int ifnum, 66 struct ueth_data *ss); 67 int smsc95xx_eth_get_info(struct usb_device *dev, struct ueth_data *ss, 68 struct eth_device *eth); 69 70 #endif /* __USB_ETHER_H__ */ 71