2 * Blackfin On-Chip MAC Driver
4 * Copyright 2004-2007 Analog Devices Inc.
6 * Enter bugs at http://blackfin.uclinux.org/
8 * Licensed under the GPL-2 or later.
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>
20 #define BFIN_MAC_CSUM_OFFLOAD
22 #define TX_RECLAIM_JIFFIES (HZ / 5)
24 struct dma_descriptor
{
25 struct dma_descriptor
*next_dma_desc
;
26 unsigned long start_addr
;
27 unsigned short config
;
28 unsigned short x_count
;
31 struct 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
;
37 unsigned long status_word
; /* the frame status word */
40 struct status_area_tx
{
41 unsigned long status_word
; /* the frame status word */
44 /* use two descriptors for a packet */
45 struct net_dma_desc_rx
{
46 struct net_dma_desc_rx
*next
;
48 struct dma_descriptor desc_a
;
49 struct dma_descriptor desc_b
;
50 struct status_area_rx status
;
53 /* use two descriptors for a packet */
54 struct net_dma_desc_tx
{
55 struct net_dma_desc_tx
*next
;
57 struct dma_descriptor desc_a
;
58 struct dma_descriptor desc_b
;
59 unsigned char packet
[1560];
60 struct status_area_tx status
;
63 struct bfin_mac_local
{
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
69 struct net_device_stats stats
;
71 unsigned char Mac
[6]; /* MAC address of the board */
74 int wol
; /* Wake On Lan */
75 int irq_wake_requested
;
76 struct timer_list tx_reclaim_timer
;
77 struct net_device
*ndev
;
79 /* MII and PHY stuffs */
80 int old_link
; /* used by bf537_adjust_link */
84 struct phy_device
*phydev
;
85 struct mii_bus
*mii_bus
;
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
;
95 extern void bfin_get_ether_addr(char *addr
);