1 /* 2 * Copyright (c) 2011 The Chromium OS Authors. 3 * See file CREDITS for list of people who contributed to this 4 * project. 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation; either version 2 of 9 * the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 19 * MA 02111-1307 USA 20 */ 21 22 #ifndef __USB_ETHER_H__ 23 #define __USB_ETHER_H__ 24 25 #include <net.h> 26 27 /* 28 * IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble 29 * and FCS/CRC (frame check sequence). 30 */ 31 #define ETH_ALEN 6 /* Octets in one ethernet addr */ 32 #define ETH_HLEN 14 /* Total octets in header. */ 33 #define ETH_ZLEN 60 /* Min. octets in frame sans FCS */ 34 #define ETH_DATA_LEN 1500 /* Max. octets in payload */ 35 #define ETH_FRAME_LEN PKTSIZE_ALIGN /* Max. octets in frame sans FCS */ 36 #define ETH_FCS_LEN 4 /* Octets in the FCS */ 37 38 struct ueth_data { 39 /* eth info */ 40 struct eth_device eth_dev; /* used with eth_register */ 41 int phy_id; /* mii phy id */ 42 43 /* usb info */ 44 struct usb_device *pusb_dev; /* this usb_device */ 45 unsigned char ifnum; /* interface number */ 46 unsigned char ep_in; /* in endpoint */ 47 unsigned char ep_out; /* out ....... */ 48 unsigned char ep_int; /* interrupt . */ 49 unsigned char subclass; /* as in overview */ 50 unsigned char protocol; /* .............. */ 51 unsigned char irqinterval; /* Intervall for IRQ Pipe */ 52 53 /* private fields for each driver can go here if needed */ 54 #ifdef CONFIG_USB_ETHER_SMSC95XX 55 size_t rx_urb_size; /* maximum USB URB size */ 56 u32 mac_cr; /* MAC control register value */ 57 int have_hwaddr; /* 1 if we have a hardware MAC address */ 58 #endif 59 }; 60 61 /* 62 * Function definitions for each USB ethernet driver go here, bracketed by 63 * #ifdef CONFIG_USB_ETHER_xxx...#endif 64 */ 65 #ifdef CONFIG_USB_ETHER_ASIX 66 void asix_eth_before_probe(void); 67 int asix_eth_probe(struct usb_device *dev, unsigned int ifnum, 68 struct ueth_data *ss); 69 int asix_eth_get_info(struct usb_device *dev, struct ueth_data *ss, 70 struct eth_device *eth); 71 #endif 72 73 #ifdef CONFIG_USB_ETHER_SMSC95XX 74 void smsc95xx_eth_before_probe(void); 75 int smsc95xx_eth_probe(struct usb_device *dev, unsigned int ifnum, 76 struct ueth_data *ss); 77 int smsc95xx_eth_get_info(struct usb_device *dev, struct ueth_data *ss, 78 struct eth_device *eth); 79 #endif 80 81 #endif /* __USB_ETHER_H__ */ 82