kmemtrace: SLOB hooks.
[linux-2.6/kmemtrace.git] / drivers / net / au1000_eth.h
blobf3baeaa128543af59451e98c0d9d4e5bb7d3ee23
1 /*
3 * Alchemy Au1x00 ethernet driver include file
5 * Author: Pete Popov <ppopov@mvista.com>
7 * Copyright 2001 MontaVista Software Inc.
9 * ########################################################################
11 * This program is free software; you can distribute it and/or modify it
12 * under the terms of the GNU General Public License (Version 2) as
13 * published by the Free Software Foundation.
15 * This program is distributed in the hope it will be useful, but WITHOUT
16 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
17 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 * for more details.
20 * You should have received a copy of the GNU General Public License along
21 * with this program; if not, write to the Free Software Foundation, Inc.,
22 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
24 * ########################################################################
30 #define MAC_IOSIZE 0x10000
31 #define NUM_RX_DMA 4 /* Au1x00 has 4 rx hardware descriptors */
32 #define NUM_TX_DMA 4 /* Au1x00 has 4 tx hardware descriptors */
34 #define NUM_RX_BUFFS 4
35 #define NUM_TX_BUFFS 4
36 #define MAX_BUF_SIZE 2048
38 #define ETH_TX_TIMEOUT HZ/4
39 #define MAC_MIN_PKT_SIZE 64
41 #define MULTICAST_FILTER_LIMIT 64
44 * Data Buffer Descriptor. Data buffers must be aligned on 32 byte
45 * boundary for both, receive and transmit.
47 typedef struct db_dest {
48 struct db_dest *pnext;
49 volatile u32 *vaddr;
50 dma_addr_t dma_addr;
51 } db_dest_t;
54 * The transmit and receive descriptors are memory
55 * mapped registers.
57 typedef struct tx_dma {
58 u32 status;
59 u32 buff_stat;
60 u32 len;
61 u32 pad;
62 } tx_dma_t;
64 typedef struct rx_dma {
65 u32 status;
66 u32 buff_stat;
67 u32 pad[2];
68 } rx_dma_t;
72 * MAC control registers, memory mapped.
74 typedef struct mac_reg {
75 u32 control;
76 u32 mac_addr_high;
77 u32 mac_addr_low;
78 u32 multi_hash_high;
79 u32 multi_hash_low;
80 u32 mii_control;
81 u32 mii_data;
82 u32 flow_control;
83 u32 vlan1_tag;
84 u32 vlan2_tag;
85 } mac_reg_t;
88 struct au1000_private {
89 db_dest_t *pDBfree;
90 db_dest_t db[NUM_RX_BUFFS+NUM_TX_BUFFS];
91 volatile rx_dma_t *rx_dma_ring[NUM_RX_DMA];
92 volatile tx_dma_t *tx_dma_ring[NUM_TX_DMA];
93 db_dest_t *rx_db_inuse[NUM_RX_DMA];
94 db_dest_t *tx_db_inuse[NUM_TX_DMA];
95 u32 rx_head;
96 u32 tx_head;
97 u32 tx_tail;
98 u32 tx_full;
100 int mac_id;
102 int mac_enabled; /* whether MAC is currently enabled and running (req. for mdio) */
104 int old_link; /* used by au1000_adjust_link */
105 int old_speed;
106 int old_duplex;
108 struct phy_device *phy_dev;
109 struct mii_bus mii_bus;
111 /* These variables are just for quick access to certain regs addresses. */
112 volatile mac_reg_t *mac; /* mac registers */
113 volatile u32 *enable; /* address of MAC Enable Register */
115 u32 vaddr; /* virtual address of rx/tx buffers */
116 dma_addr_t dma_addr; /* dma address of rx/tx buffers */
118 spinlock_t lock; /* Serialise access to device */