tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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#ifndef _BFIN_MAC_H_
11#define _BFIN_MAC_H_
12
13#include <linux/net_tstamp.h>
14#include <linux/clocksource.h>
15#include <linux/timecompare.h>
16#include <linux/timer.h>
17#include <linux/etherdevice.h>
18#include <linux/bfin_mac.h>
19
20#define BFIN_MAC_CSUM_OFFLOAD
21
22#define TX_RECLAIM_JIFFIES (HZ / 5)
23
24struct dma_descriptor {
25 struct dma_descriptor *next_dma_desc;
26 unsigned long start_addr;
27 unsigned short config;
28 unsigned short x_count;
29};
30
31struct status_area_rx {
32#if defined(BFIN_MAC_CSUM_OFFLOAD)
33 unsigned short ip_hdr_csum; /* ip header checksum */
34 /* ip payload(udp or tcp or others) checksum */
35 unsigned short ip_payload_csum;
36#endif
37 unsigned long status_word; /* the frame status word */
38};
39
40struct status_area_tx {
41 unsigned long status_word; /* the frame status word */
42};
43
44/* use two descriptors for a packet */
45struct net_dma_desc_rx {
46 struct net_dma_desc_rx *next;
47 struct sk_buff *skb;
48 struct dma_descriptor desc_a;
49 struct dma_descriptor desc_b;
50 struct status_area_rx status;
51};
52
53/* use two descriptors for a packet */
54struct net_dma_desc_tx {
55 struct net_dma_desc_tx *next;
56 struct sk_buff *skb;
57 struct dma_descriptor desc_a;
58 struct dma_descriptor desc_b;
59 unsigned char packet[1560];
60 struct status_area_tx status;
61};
62
63struct bfin_mac_local {
64 /*
65 * these are things that the kernel wants me to keep, so users
66 * can find out semi-useless statistics of how well the card is
67 * performing
68 */
69 struct net_device_stats stats;
70
71 unsigned char Mac[6]; /* MAC address of the board */
72 spinlock_t lock;
73
74 int wol; /* Wake On Lan */
75 int irq_wake_requested;
76 struct timer_list tx_reclaim_timer;
77 struct net_device *ndev;
78
79 /* MII and PHY stuffs */
80 int old_link; /* used by bf537_adjust_link */
81 int old_speed;
82 int old_duplex;
83
84 struct phy_device *phydev;
85 struct mii_bus *mii_bus;
86
87#if defined(CONFIG_BFIN_MAC_USE_HWSTAMP)
88 struct cyclecounter cycles;
89 struct timecounter clock;
90 struct timecompare compare;
91 struct hwtstamp_config stamp_cfg;
92#endif
93};
94
95extern void bfin_get_ether_addr(char *addr);
96
97#endif