diff options
Diffstat (limited to 'drivers/net/atl1/atl1.h')
-rw-r--r-- | drivers/net/atl1/atl1.h | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/drivers/net/atl1/atl1.h b/drivers/net/atl1/atl1.h new file mode 100644 index 000000000000..b1c6034e68fa --- /dev/null +++ b/drivers/net/atl1/atl1.h | |||
@@ -0,0 +1,283 @@ | |||
1 | /* | ||
2 | * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved. | ||
3 | * Copyright(c) 2006 Chris Snook <csnook@redhat.com> | ||
4 | * Copyright(c) 2006 Jay Cliburn <jcliburn@gmail.com> | ||
5 | * | ||
6 | * Derived from Intel e1000 driver | ||
7 | * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or modify it | ||
10 | * under the terms of the GNU General Public License as published by the Free | ||
11 | * Software Foundation; either version 2 of the License, or (at your option) | ||
12 | * any later version. | ||
13 | * | ||
14 | * This program is distributed in the hope that it will be useful, but WITHOUT | ||
15 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
16 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
17 | * more details. | ||
18 | * | ||
19 | * You should have received a copy of the GNU General Public License along with | ||
20 | * this program; if not, write to the Free Software Foundation, Inc., 59 | ||
21 | * Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
22 | */ | ||
23 | |||
24 | #ifndef _ATL1_H_ | ||
25 | #define _ATL1_H_ | ||
26 | |||
27 | #include <linux/types.h> | ||
28 | #include <linux/if_vlan.h> | ||
29 | |||
30 | #include "atl1_hw.h" | ||
31 | |||
32 | /* function prototypes needed by multiple files */ | ||
33 | s32 atl1_up(struct atl1_adapter *adapter); | ||
34 | void atl1_down(struct atl1_adapter *adapter); | ||
35 | int atl1_reset(struct atl1_adapter *adapter); | ||
36 | s32 atl1_setup_ring_resources(struct atl1_adapter *adapter); | ||
37 | void atl1_free_ring_resources(struct atl1_adapter *adapter); | ||
38 | |||
39 | extern char atl1_driver_name[]; | ||
40 | extern char atl1_driver_version[]; | ||
41 | extern const struct ethtool_ops atl1_ethtool_ops; | ||
42 | |||
43 | struct atl1_adapter; | ||
44 | |||
45 | #define ATL1_MAX_INTR 3 | ||
46 | |||
47 | #define ATL1_DEFAULT_TPD 256 | ||
48 | #define ATL1_MAX_TPD 1024 | ||
49 | #define ATL1_MIN_TPD 64 | ||
50 | #define ATL1_DEFAULT_RFD 512 | ||
51 | #define ATL1_MIN_RFD 128 | ||
52 | #define ATL1_MAX_RFD 2048 | ||
53 | |||
54 | #define ATL1_GET_DESC(R, i, type) (&(((type *)((R)->desc))[i])) | ||
55 | #define ATL1_RFD_DESC(R, i) ATL1_GET_DESC(R, i, struct rx_free_desc) | ||
56 | #define ATL1_TPD_DESC(R, i) ATL1_GET_DESC(R, i, struct tx_packet_desc) | ||
57 | #define ATL1_RRD_DESC(R, i) ATL1_GET_DESC(R, i, struct rx_return_desc) | ||
58 | |||
59 | /* | ||
60 | * Some workarounds require millisecond delays and are run during interrupt | ||
61 | * context. Most notably, when establishing link, the phy may need tweaking | ||
62 | * but cannot process phy register reads/writes faster than millisecond | ||
63 | * intervals...and we establish link due to a "link status change" interrupt. | ||
64 | */ | ||
65 | |||
66 | /* | ||
67 | * wrapper around a pointer to a socket buffer, | ||
68 | * so a DMA handle can be stored along with the buffer | ||
69 | */ | ||
70 | struct atl1_buffer { | ||
71 | struct sk_buff *skb; | ||
72 | u16 length; | ||
73 | u16 alloced; | ||
74 | dma_addr_t dma; | ||
75 | }; | ||
76 | |||
77 | #define MAX_TX_BUF_LEN 0x3000 /* 12KB */ | ||
78 | |||
79 | struct atl1_tpd_ring { | ||
80 | void *desc; /* pointer to the descriptor ring memory */ | ||
81 | dma_addr_t dma; /* physical adress of the descriptor ring */ | ||
82 | u16 size; /* length of descriptor ring in bytes */ | ||
83 | u16 count; /* number of descriptors in the ring */ | ||
84 | u16 hw_idx; /* hardware index */ | ||
85 | atomic_t next_to_clean; | ||
86 | atomic_t next_to_use; | ||
87 | struct atl1_buffer *buffer_info; | ||
88 | }; | ||
89 | |||
90 | struct atl1_rfd_ring { | ||
91 | void *desc; | ||
92 | dma_addr_t dma; | ||
93 | u16 size; | ||
94 | u16 count; | ||
95 | atomic_t next_to_use; | ||
96 | u16 next_to_clean; | ||
97 | struct atl1_buffer *buffer_info; | ||
98 | }; | ||
99 | |||
100 | struct atl1_rrd_ring { | ||
101 | void *desc; | ||
102 | dma_addr_t dma; | ||
103 | unsigned int size; | ||
104 | u16 count; | ||
105 | u16 next_to_use; | ||
106 | atomic_t next_to_clean; | ||
107 | }; | ||
108 | |||
109 | struct atl1_ring_header { | ||
110 | void *desc; /* pointer to the descriptor ring memory */ | ||
111 | dma_addr_t dma; /* physical adress of the descriptor ring */ | ||
112 | unsigned int size; /* length of descriptor ring in bytes */ | ||
113 | }; | ||
114 | |||
115 | struct atl1_cmb { | ||
116 | struct coals_msg_block *cmb; | ||
117 | dma_addr_t dma; | ||
118 | }; | ||
119 | |||
120 | struct atl1_smb { | ||
121 | struct stats_msg_block *smb; | ||
122 | dma_addr_t dma; | ||
123 | }; | ||
124 | |||
125 | /* Statistics counters */ | ||
126 | struct atl1_sft_stats { | ||
127 | u64 rx_packets; | ||
128 | u64 tx_packets; | ||
129 | u64 rx_bytes; | ||
130 | u64 tx_bytes; | ||
131 | u64 multicast; | ||
132 | u64 collisions; | ||
133 | u64 rx_errors; | ||
134 | u64 rx_length_errors; | ||
135 | u64 rx_crc_errors; | ||
136 | u64 rx_frame_errors; | ||
137 | u64 rx_fifo_errors; | ||
138 | u64 rx_missed_errors; | ||
139 | u64 tx_errors; | ||
140 | u64 tx_fifo_errors; | ||
141 | u64 tx_aborted_errors; | ||
142 | u64 tx_window_errors; | ||
143 | u64 tx_carrier_errors; | ||
144 | |||
145 | u64 tx_pause; /* num Pause packet transmitted. */ | ||
146 | u64 excecol; /* num tx packets aborted due to excessive collisions. */ | ||
147 | u64 deffer; /* num deferred tx packets */ | ||
148 | u64 scc; /* num packets subsequently transmitted successfully w/ single prior collision. */ | ||
149 | u64 mcc; /* num packets subsequently transmitted successfully w/ multiple prior collisions. */ | ||
150 | u64 latecol; /* num tx packets w/ late collisions. */ | ||
151 | u64 tx_underun; /* num tx packets aborted due to transmit FIFO underrun, or TRD FIFO underrun */ | ||
152 | u64 tx_trunc; /* num tx packets truncated due to size exceeding MTU, regardless whether truncated by Selene or not. (The name doesn't really reflect the meaning in this case.) */ | ||
153 | u64 rx_pause; /* num Pause packets received. */ | ||
154 | u64 rx_rrd_ov; | ||
155 | u64 rx_trunc; | ||
156 | }; | ||
157 | |||
158 | /* board specific private data structure */ | ||
159 | #define ATL1_REGS_LEN 8 | ||
160 | |||
161 | /* Structure containing variables used by the shared code */ | ||
162 | struct atl1_hw { | ||
163 | u8 __iomem *hw_addr; | ||
164 | struct atl1_adapter *back; | ||
165 | enum atl1_dma_order dma_ord; | ||
166 | enum atl1_dma_rcb rcb_value; | ||
167 | enum atl1_dma_req_block dmar_block; | ||
168 | enum atl1_dma_req_block dmaw_block; | ||
169 | u8 preamble_len; | ||
170 | u8 max_retry; /* Retransmission maximum, after which the packet will be discarded */ | ||
171 | u8 jam_ipg; /* IPG to start JAM for collision based flow control in half-duplex mode. In units of 8-bit time */ | ||
172 | u8 ipgt; /* Desired back to back inter-packet gap. The default is 96-bit time */ | ||
173 | u8 min_ifg; /* Minimum number of IFG to enforce in between RX frames. Frame gap below such IFP is dropped */ | ||
174 | u8 ipgr1; /* 64bit Carrier-Sense window */ | ||
175 | u8 ipgr2; /* 96-bit IPG window */ | ||
176 | u8 tpd_burst; /* Number of TPD to prefetch in cache-aligned burst. Each TPD is 16 bytes long */ | ||
177 | u8 rfd_burst; /* Number of RFD to prefetch in cache-aligned burst. Each RFD is 12 bytes long */ | ||
178 | u8 rfd_fetch_gap; | ||
179 | u8 rrd_burst; /* Threshold number of RRDs that can be retired in a burst. Each RRD is 16 bytes long */ | ||
180 | u8 tpd_fetch_th; | ||
181 | u8 tpd_fetch_gap; | ||
182 | u16 tx_jumbo_task_th; | ||
183 | u16 txf_burst; /* Number of data bytes to read in a cache-aligned burst. Each SRAM entry is | ||
184 | 8 bytes long */ | ||
185 | u16 rx_jumbo_th; /* Jumbo packet size for non-VLAN packet. VLAN packets should add 4 bytes */ | ||
186 | u16 rx_jumbo_lkah; | ||
187 | u16 rrd_ret_timer; /* RRD retirement timer. Decrement by 1 after every 512ns passes. */ | ||
188 | u16 lcol; /* Collision Window */ | ||
189 | |||
190 | u16 cmb_tpd; | ||
191 | u16 cmb_rrd; | ||
192 | u16 cmb_rx_timer; | ||
193 | u16 cmb_tx_timer; | ||
194 | u32 smb_timer; | ||
195 | u16 media_type; | ||
196 | u16 autoneg_advertised; | ||
197 | u16 pci_cmd_word; | ||
198 | |||
199 | u16 mii_autoneg_adv_reg; | ||
200 | u16 mii_1000t_ctrl_reg; | ||
201 | |||
202 | u32 mem_rang; | ||
203 | u32 txcw; | ||
204 | u32 max_frame_size; | ||
205 | u32 min_frame_size; | ||
206 | u32 mc_filter_type; | ||
207 | u32 num_mc_addrs; | ||
208 | u32 collision_delta; | ||
209 | u32 tx_packet_delta; | ||
210 | u16 phy_spd_default; | ||
211 | |||
212 | u16 dev_rev; | ||
213 | u8 revision_id; | ||
214 | |||
215 | /* spi flash */ | ||
216 | u8 flash_vendor; | ||
217 | |||
218 | u8 dma_fairness; | ||
219 | u8 mac_addr[ETH_ALEN]; | ||
220 | u8 perm_mac_addr[ETH_ALEN]; | ||
221 | |||
222 | /* bool phy_preamble_sup; */ | ||
223 | bool phy_configured; | ||
224 | }; | ||
225 | |||
226 | struct atl1_adapter { | ||
227 | /* OS defined structs */ | ||
228 | struct net_device *netdev; | ||
229 | struct pci_dev *pdev; | ||
230 | struct net_device_stats net_stats; | ||
231 | struct atl1_sft_stats soft_stats; | ||
232 | |||
233 | struct vlan_group *vlgrp; | ||
234 | u32 rx_buffer_len; | ||
235 | u32 wol; | ||
236 | u16 link_speed; | ||
237 | u16 link_duplex; | ||
238 | spinlock_t lock; | ||
239 | atomic_t irq_sem; | ||
240 | struct work_struct tx_timeout_task; | ||
241 | struct work_struct link_chg_task; | ||
242 | struct work_struct pcie_dma_to_rst_task; | ||
243 | struct timer_list watchdog_timer; | ||
244 | struct timer_list phy_config_timer; | ||
245 | bool phy_timer_pending; | ||
246 | |||
247 | bool mac_disabled; | ||
248 | |||
249 | /* All descriptor rings' memory */ | ||
250 | struct atl1_ring_header ring_header; | ||
251 | |||
252 | /* TX */ | ||
253 | struct atl1_tpd_ring tpd_ring; | ||
254 | spinlock_t mb_lock; | ||
255 | |||
256 | /* RX */ | ||
257 | struct atl1_rfd_ring rfd_ring; | ||
258 | struct atl1_rrd_ring rrd_ring; | ||
259 | u64 hw_csum_err; | ||
260 | u64 hw_csum_good; | ||
261 | |||
262 | u32 gorcl; | ||
263 | u64 gorcl_old; | ||
264 | |||
265 | /* Interrupt Moderator timer ( 2us resolution) */ | ||
266 | u16 imt; | ||
267 | /* Interrupt Clear timer (2us resolution) */ | ||
268 | u16 ict; | ||
269 | |||
270 | /* MII interface info */ | ||
271 | struct mii_if_info mii; | ||
272 | |||
273 | /* structs defined in atl1_hw.h */ | ||
274 | u32 bd_number; /* board number */ | ||
275 | bool pci_using_64; | ||
276 | struct atl1_hw hw; | ||
277 | struct atl1_smb smb; | ||
278 | struct atl1_cmb cmb; | ||
279 | |||
280 | u32 pci_state[16]; | ||
281 | }; | ||
282 | |||
283 | #endif /* _ATL1_H_ */ | ||