xref: /openbmc/u-boot/include/usb_ether.h (revision 37544a6d)
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 	/* driver private */
54 	void *dev_priv;
55 };
56 
57 /*
58  * Function definitions for each USB ethernet driver go here, bracketed by
59  * #ifdef CONFIG_USB_ETHER_xxx...#endif
60  */
61 #ifdef CONFIG_USB_ETHER_ASIX
62 void asix_eth_before_probe(void);
63 int asix_eth_probe(struct usb_device *dev, unsigned int ifnum,
64 		      struct ueth_data *ss);
65 int asix_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
66 		      struct eth_device *eth);
67 #endif
68 
69 #ifdef CONFIG_USB_ETHER_SMSC95XX
70 void smsc95xx_eth_before_probe(void);
71 int smsc95xx_eth_probe(struct usb_device *dev, unsigned int ifnum,
72 			struct ueth_data *ss);
73 int smsc95xx_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
74 			struct eth_device *eth);
75 #endif
76 
77 #endif /* __USB_ETHER_H__ */
78