1 /*
2 * Blackfin On-Chip MAC Driver
3 *
4 * Copyright 2004-2007 Analog Devices Inc.
5 *
6 * Enter bugs at http://blackfin.uclinux.org/
7 *
8 * Licensed under the GPL-2 or later.
9 */
10
11 #define BFIN_MAC_CSUM_OFFLOAD
12
13 struct dma_descriptor {
14 struct dma_descriptor *next_dma_desc;
15 unsigned long start_addr;
16 unsigned short config;
17 unsigned short x_count;
18 };
19
20 struct status_area_rx {
21 #if defined(BFIN_MAC_CSUM_OFFLOAD)
22 unsigned short ip_hdr_csum; /* ip header checksum */
23 /* ip payload(udp or tcp or others) checksum */
24 unsigned short ip_payload_csum;
25 #endif
26 unsigned long status_word; /* the frame status word */
27 };
28
29 struct status_area_tx {
30 unsigned long status_word; /* the frame status word */
31 };
32
33 /* use two descriptors for a packet */
34 struct net_dma_desc_rx {
35 struct net_dma_desc_rx *next;
36 struct sk_buff *skb;
37 struct dma_descriptor desc_a;
38 struct dma_descriptor desc_b;
39 struct status_area_rx status;
40 };
41
42 /* use two descriptors for a packet */
43 struct net_dma_desc_tx {
44 struct net_dma_desc_tx *next;
45 struct sk_buff *skb;
46 struct dma_descriptor desc_a;
47 struct dma_descriptor desc_b;
48 unsigned char packet[1560];
49 struct status_area_tx status;
50 };
51
52 struct bf537mac_local {
53 /*
54 * these are things that the kernel wants me to keep, so users
55 * can find out semi-useless statistics of how well the card is
56 * performing
57 */
58 struct net_device_stats stats;
59
60 unsigned char Mac[6]; /* MAC address of the board */
61 spinlock_t lock;
62
63 /* MII and PHY stuffs */
64 int old_link; /* used by bf537_adjust_link */
65 int old_speed;
66 int old_duplex;
67
68 struct phy_device *phydev;
69 struct mii_bus mii_bus;
70 };
71
72 extern void bfin_get_ether_addr(char *addr);
73
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