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1da177e4 | 1 | /************************************************************************ |
776bd20f | 2 | * s2io.h: A Linux PCI-X Ethernet driver for Neterion 10GbE Server NIC |
926bd900 | 3 | * Copyright(c) 2002-2010 Exar Corp. |
1da177e4 LT |
4 | |
5 | * This software may be used and distributed according to the terms of | |
6 | * the GNU General Public License (GPL), incorporated herein by reference. | |
7 | * Drivers based on or derived from this code fall under the GPL and must | |
8 | * retain the authorship, copyright and license notice. This file is not | |
9 | * a complete program and may only be used when the entire operating | |
10 | * system is licensed under the GPL. | |
11 | * See the file COPYING in this distribution for more information. | |
12 | ************************************************************************/ | |
13 | #ifndef _S2IO_H | |
14 | #define _S2IO_H | |
15 | ||
16 | #define TBD 0 | |
b7b5a128 | 17 | #define s2BIT(loc) (0x8000000000000000ULL >> (loc)) |
1da177e4 LT |
18 | #define vBIT(val, loc, sz) (((u64)val) << (64-loc-sz)) |
19 | #define INV(d) ((d&0xff)<<24) | (((d>>8)&0xff)<<16) | (((d>>16)&0xff)<<8)| ((d>>24)&0xff) | |
20 | ||
1da177e4 LT |
21 | #undef SUCCESS |
22 | #define SUCCESS 0 | |
23 | #define FAILURE -1 | |
19a60522 | 24 | #define S2IO_MINUS_ONE 0xFFFFFFFFFFFFFFFFULL |
faa4f796 | 25 | #define S2IO_DISABLE_MAC_ENTRY 0xFFFFFFFFFFFFULL |
19a60522 | 26 | #define S2IO_MAX_PCI_CONFIG_SPACE_REINIT 100 |
9fc93a41 SS |
27 | #define S2IO_BIT_RESET 1 |
28 | #define S2IO_BIT_SET 2 | |
bd1034f0 AR |
29 | #define CHECKBIT(value, nbit) (value & (1 << nbit)) |
30 | ||
20346722 | 31 | /* Maximum time to flicker LED when asked to identify NIC using ethtool */ |
32 | #define MAX_FLICKER_TIME 60000 /* 60 Secs */ | |
33 | ||
1da177e4 | 34 | /* Maximum outstanding splits to be configured into xena. */ |
1ee6dd77 | 35 | enum { |
1da177e4 LT |
36 | XENA_ONE_SPLIT_TRANSACTION = 0, |
37 | XENA_TWO_SPLIT_TRANSACTION = 1, | |
38 | XENA_THREE_SPLIT_TRANSACTION = 2, | |
39 | XENA_FOUR_SPLIT_TRANSACTION = 3, | |
40 | XENA_EIGHT_SPLIT_TRANSACTION = 4, | |
41 | XENA_TWELVE_SPLIT_TRANSACTION = 5, | |
42 | XENA_SIXTEEN_SPLIT_TRANSACTION = 6, | |
43 | XENA_THIRTYTWO_SPLIT_TRANSACTION = 7 | |
1ee6dd77 | 44 | }; |
1da177e4 LT |
45 | #define XENA_MAX_OUTSTANDING_SPLITS(n) (n << 4) |
46 | ||
47 | /* OS concerned variables and constants */ | |
20346722 | 48 | #define WATCH_DOG_TIMEOUT 15*HZ |
49 | #define EFILL 0x1234 | |
50 | #define ALIGN_SIZE 127 | |
51 | #define PCIX_COMMAND_REGISTER 0x62 | |
1da177e4 LT |
52 | |
53 | /* | |
54 | * Debug related variables. | |
55 | */ | |
56 | /* different debug levels. */ | |
57 | #define ERR_DBG 0 | |
58 | #define INIT_DBG 1 | |
59 | #define INFO_DBG 2 | |
60 | #define TX_DBG 3 | |
61 | #define INTR_DBG 4 | |
62 | ||
63 | /* Global variable that defines the present debug level of the driver. */ | |
26df54bf | 64 | static int debug_level = ERR_DBG; |
1da177e4 LT |
65 | |
66 | /* DEBUG message print. */ | |
9e39f7c5 | 67 | #define DBG_PRINT(dbg_level, fmt, args...) do { \ |
5447080c | 68 | if (dbg_level <= debug_level) \ |
9e39f7c5 JP |
69 | pr_info(fmt, ##args); \ |
70 | } while (0) | |
1da177e4 LT |
71 | |
72 | /* Protocol assist features of the NIC */ | |
73 | #define L3_CKSUM_OK 0xFFFF | |
74 | #define L4_CKSUM_OK 0xFFFF | |
75 | #define S2IO_JUMBO_SIZE 9600 | |
76 | ||
20346722 | 77 | /* Driver statistics maintained by driver */ |
1ee6dd77 | 78 | struct swStat { |
20346722 | 79 | unsigned long long single_ecc_errs; |
80 | unsigned long long double_ecc_errs; | |
bd1034f0 AR |
81 | unsigned long long parity_err_cnt; |
82 | unsigned long long serious_err_cnt; | |
83 | unsigned long long soft_reset_cnt; | |
84 | unsigned long long fifo_full_cnt; | |
8116f3cf | 85 | unsigned long long ring_full_cnt[8]; |
7d3d0439 RA |
86 | /* LRO statistics */ |
87 | unsigned long long clubbed_frms_cnt; | |
88 | unsigned long long sending_both; | |
89 | unsigned long long outof_sequence_pkts; | |
90 | unsigned long long flush_max_pkts; | |
91 | unsigned long long sum_avg_pkts_aggregated; | |
92 | unsigned long long num_aggregations; | |
c53d4945 SH |
93 | /* Other statistics */ |
94 | unsigned long long mem_alloc_fail_cnt; | |
491abf25 | 95 | unsigned long long pci_map_fail_cnt; |
c53d4945 | 96 | unsigned long long watchdog_timer_cnt; |
491976b2 SH |
97 | unsigned long long mem_allocated; |
98 | unsigned long long mem_freed; | |
99 | unsigned long long link_up_cnt; | |
100 | unsigned long long link_down_cnt; | |
101 | unsigned long long link_up_time; | |
102 | unsigned long long link_down_time; | |
103 | ||
104 | /* Transfer Code statistics */ | |
105 | unsigned long long tx_buf_abort_cnt; | |
106 | unsigned long long tx_desc_abort_cnt; | |
107 | unsigned long long tx_parity_err_cnt; | |
108 | unsigned long long tx_link_loss_cnt; | |
109 | unsigned long long tx_list_proc_err_cnt; | |
110 | ||
111 | unsigned long long rx_parity_err_cnt; | |
112 | unsigned long long rx_abort_cnt; | |
113 | unsigned long long rx_parity_abort_cnt; | |
114 | unsigned long long rx_rda_fail_cnt; | |
115 | unsigned long long rx_unkn_prot_cnt; | |
116 | unsigned long long rx_fcs_err_cnt; | |
117 | unsigned long long rx_buf_size_err_cnt; | |
118 | unsigned long long rx_rxd_corrupt_cnt; | |
119 | unsigned long long rx_unkn_err_cnt; | |
8116f3cf SS |
120 | |
121 | /* Error/alarm statistics*/ | |
122 | unsigned long long tda_err_cnt; | |
123 | unsigned long long pfc_err_cnt; | |
124 | unsigned long long pcc_err_cnt; | |
125 | unsigned long long tti_err_cnt; | |
126 | unsigned long long lso_err_cnt; | |
127 | unsigned long long tpa_err_cnt; | |
128 | unsigned long long sm_err_cnt; | |
129 | unsigned long long mac_tmac_err_cnt; | |
130 | unsigned long long mac_rmac_err_cnt; | |
131 | unsigned long long xgxs_txgxs_err_cnt; | |
132 | unsigned long long xgxs_rxgxs_err_cnt; | |
133 | unsigned long long rc_err_cnt; | |
134 | unsigned long long prc_pcix_err_cnt; | |
135 | unsigned long long rpa_err_cnt; | |
136 | unsigned long long rda_err_cnt; | |
137 | unsigned long long rti_err_cnt; | |
138 | unsigned long long mc_err_cnt; | |
139 | ||
1ee6dd77 | 140 | }; |
20346722 | 141 | |
bd1034f0 | 142 | /* Xpak releated alarm and warnings */ |
1ee6dd77 | 143 | struct xpakStat { |
bd1034f0 AR |
144 | u64 alarm_transceiver_temp_high; |
145 | u64 alarm_transceiver_temp_low; | |
146 | u64 alarm_laser_bias_current_high; | |
147 | u64 alarm_laser_bias_current_low; | |
148 | u64 alarm_laser_output_power_high; | |
149 | u64 alarm_laser_output_power_low; | |
150 | u64 warn_transceiver_temp_high; | |
151 | u64 warn_transceiver_temp_low; | |
152 | u64 warn_laser_bias_current_high; | |
153 | u64 warn_laser_bias_current_low; | |
154 | u64 warn_laser_output_power_high; | |
155 | u64 warn_laser_output_power_low; | |
156 | u64 xpak_regs_stat; | |
157 | u32 xpak_timer_count; | |
1ee6dd77 | 158 | }; |
bd1034f0 AR |
159 | |
160 | ||
1da177e4 | 161 | /* The statistics block of Xena */ |
1ee6dd77 | 162 | struct stat_block { |
1da177e4 | 163 | /* Tx MAC statistics counters. */ |
107c3a73 AV |
164 | __le32 tmac_data_octets; |
165 | __le32 tmac_frms; | |
166 | __le64 tmac_drop_frms; | |
167 | __le32 tmac_bcst_frms; | |
168 | __le32 tmac_mcst_frms; | |
169 | __le64 tmac_pause_ctrl_frms; | |
170 | __le32 tmac_ucst_frms; | |
171 | __le32 tmac_ttl_octets; | |
172 | __le32 tmac_any_err_frms; | |
173 | __le32 tmac_nucst_frms; | |
174 | __le64 tmac_ttl_less_fb_octets; | |
175 | __le64 tmac_vld_ip_octets; | |
176 | __le32 tmac_drop_ip; | |
177 | __le32 tmac_vld_ip; | |
178 | __le32 tmac_rst_tcp; | |
179 | __le32 tmac_icmp; | |
180 | __le64 tmac_tcp; | |
181 | __le32 reserved_0; | |
182 | __le32 tmac_udp; | |
1da177e4 LT |
183 | |
184 | /* Rx MAC Statistics counters. */ | |
107c3a73 AV |
185 | __le32 rmac_data_octets; |
186 | __le32 rmac_vld_frms; | |
187 | __le64 rmac_fcs_err_frms; | |
188 | __le64 rmac_drop_frms; | |
189 | __le32 rmac_vld_bcst_frms; | |
190 | __le32 rmac_vld_mcst_frms; | |
191 | __le32 rmac_out_rng_len_err_frms; | |
192 | __le32 rmac_in_rng_len_err_frms; | |
193 | __le64 rmac_long_frms; | |
194 | __le64 rmac_pause_ctrl_frms; | |
195 | __le64 rmac_unsup_ctrl_frms; | |
196 | __le32 rmac_accepted_ucst_frms; | |
197 | __le32 rmac_ttl_octets; | |
198 | __le32 rmac_discarded_frms; | |
199 | __le32 rmac_accepted_nucst_frms; | |
200 | __le32 reserved_1; | |
201 | __le32 rmac_drop_events; | |
202 | __le64 rmac_ttl_less_fb_octets; | |
203 | __le64 rmac_ttl_frms; | |
204 | __le64 reserved_2; | |
205 | __le32 rmac_usized_frms; | |
206 | __le32 reserved_3; | |
207 | __le32 rmac_frag_frms; | |
208 | __le32 rmac_osized_frms; | |
209 | __le32 reserved_4; | |
210 | __le32 rmac_jabber_frms; | |
211 | __le64 rmac_ttl_64_frms; | |
212 | __le64 rmac_ttl_65_127_frms; | |
213 | __le64 reserved_5; | |
214 | __le64 rmac_ttl_128_255_frms; | |
215 | __le64 rmac_ttl_256_511_frms; | |
216 | __le64 reserved_6; | |
217 | __le64 rmac_ttl_512_1023_frms; | |
218 | __le64 rmac_ttl_1024_1518_frms; | |
219 | __le32 rmac_ip; | |
220 | __le32 reserved_7; | |
221 | __le64 rmac_ip_octets; | |
222 | __le32 rmac_drop_ip; | |
223 | __le32 rmac_hdr_err_ip; | |
224 | __le32 reserved_8; | |
225 | __le32 rmac_icmp; | |
226 | __le64 rmac_tcp; | |
227 | __le32 rmac_err_drp_udp; | |
228 | __le32 rmac_udp; | |
229 | __le64 rmac_xgmii_err_sym; | |
230 | __le64 rmac_frms_q0; | |
231 | __le64 rmac_frms_q1; | |
232 | __le64 rmac_frms_q2; | |
233 | __le64 rmac_frms_q3; | |
234 | __le64 rmac_frms_q4; | |
235 | __le64 rmac_frms_q5; | |
236 | __le64 rmac_frms_q6; | |
237 | __le64 rmac_frms_q7; | |
238 | __le16 rmac_full_q3; | |
239 | __le16 rmac_full_q2; | |
240 | __le16 rmac_full_q1; | |
241 | __le16 rmac_full_q0; | |
242 | __le16 rmac_full_q7; | |
243 | __le16 rmac_full_q6; | |
244 | __le16 rmac_full_q5; | |
245 | __le16 rmac_full_q4; | |
246 | __le32 reserved_9; | |
247 | __le32 rmac_pause_cnt; | |
248 | __le64 rmac_xgmii_data_err_cnt; | |
249 | __le64 rmac_xgmii_ctrl_err_cnt; | |
250 | __le32 rmac_err_tcp; | |
251 | __le32 rmac_accepted_ip; | |
1da177e4 LT |
252 | |
253 | /* PCI/PCI-X Read transaction statistics. */ | |
107c3a73 AV |
254 | __le32 new_rd_req_cnt; |
255 | __le32 rd_req_cnt; | |
256 | __le32 rd_rtry_cnt; | |
257 | __le32 new_rd_req_rtry_cnt; | |
1da177e4 LT |
258 | |
259 | /* PCI/PCI-X Write/Read transaction statistics. */ | |
107c3a73 AV |
260 | __le32 wr_req_cnt; |
261 | __le32 wr_rtry_rd_ack_cnt; | |
262 | __le32 new_wr_req_rtry_cnt; | |
263 | __le32 new_wr_req_cnt; | |
264 | __le32 wr_disc_cnt; | |
265 | __le32 wr_rtry_cnt; | |
1da177e4 LT |
266 | |
267 | /* PCI/PCI-X Write / DMA Transaction statistics. */ | |
107c3a73 AV |
268 | __le32 txp_wr_cnt; |
269 | __le32 rd_rtry_wr_ack_cnt; | |
270 | __le32 txd_wr_cnt; | |
271 | __le32 txd_rd_cnt; | |
272 | __le32 rxd_wr_cnt; | |
273 | __le32 rxd_rd_cnt; | |
274 | __le32 rxf_wr_cnt; | |
275 | __le32 txf_rd_cnt; | |
7ba013ac | 276 | |
541ae68f | 277 | /* Tx MAC statistics overflow counters. */ |
107c3a73 AV |
278 | __le32 tmac_data_octets_oflow; |
279 | __le32 tmac_frms_oflow; | |
280 | __le32 tmac_bcst_frms_oflow; | |
281 | __le32 tmac_mcst_frms_oflow; | |
282 | __le32 tmac_ucst_frms_oflow; | |
283 | __le32 tmac_ttl_octets_oflow; | |
284 | __le32 tmac_any_err_frms_oflow; | |
285 | __le32 tmac_nucst_frms_oflow; | |
286 | __le64 tmac_vlan_frms; | |
287 | __le32 tmac_drop_ip_oflow; | |
288 | __le32 tmac_vld_ip_oflow; | |
289 | __le32 tmac_rst_tcp_oflow; | |
290 | __le32 tmac_icmp_oflow; | |
291 | __le32 tpa_unknown_protocol; | |
292 | __le32 tmac_udp_oflow; | |
293 | __le32 reserved_10; | |
294 | __le32 tpa_parse_failure; | |
541ae68f | 295 | |
296 | /* Rx MAC Statistics overflow counters. */ | |
107c3a73 AV |
297 | __le32 rmac_data_octets_oflow; |
298 | __le32 rmac_vld_frms_oflow; | |
299 | __le32 rmac_vld_bcst_frms_oflow; | |
300 | __le32 rmac_vld_mcst_frms_oflow; | |
301 | __le32 rmac_accepted_ucst_frms_oflow; | |
302 | __le32 rmac_ttl_octets_oflow; | |
303 | __le32 rmac_discarded_frms_oflow; | |
304 | __le32 rmac_accepted_nucst_frms_oflow; | |
305 | __le32 rmac_usized_frms_oflow; | |
306 | __le32 rmac_drop_events_oflow; | |
307 | __le32 rmac_frag_frms_oflow; | |
308 | __le32 rmac_osized_frms_oflow; | |
309 | __le32 rmac_ip_oflow; | |
310 | __le32 rmac_jabber_frms_oflow; | |
311 | __le32 rmac_icmp_oflow; | |
312 | __le32 rmac_drop_ip_oflow; | |
313 | __le32 rmac_err_drp_udp_oflow; | |
314 | __le32 rmac_udp_oflow; | |
315 | __le32 reserved_11; | |
316 | __le32 rmac_pause_cnt_oflow; | |
317 | __le64 rmac_ttl_1519_4095_frms; | |
318 | __le64 rmac_ttl_4096_8191_frms; | |
319 | __le64 rmac_ttl_8192_max_frms; | |
320 | __le64 rmac_ttl_gt_max_frms; | |
321 | __le64 rmac_osized_alt_frms; | |
322 | __le64 rmac_jabber_alt_frms; | |
323 | __le64 rmac_gt_max_alt_frms; | |
324 | __le64 rmac_vlan_frms; | |
325 | __le32 rmac_len_discard; | |
326 | __le32 rmac_fcs_discard; | |
327 | __le32 rmac_pf_discard; | |
328 | __le32 rmac_da_discard; | |
329 | __le32 rmac_red_discard; | |
330 | __le32 rmac_rts_discard; | |
331 | __le32 reserved_12; | |
332 | __le32 rmac_ingm_full_discard; | |
333 | __le32 reserved_13; | |
334 | __le32 rmac_accepted_ip_oflow; | |
335 | __le32 reserved_14; | |
336 | __le32 link_fault_cnt; | |
bd1034f0 | 337 | u8 buffer[20]; |
1ee6dd77 RB |
338 | struct swStat sw_stat; |
339 | struct xpakStat xpak_stat; | |
340 | }; | |
1da177e4 | 341 | |
926930b2 SS |
342 | /* Default value for 'vlan_strip_tag' configuration parameter */ |
343 | #define NO_STRIP_IN_PROMISC 2 | |
344 | ||
20346722 | 345 | /* |
346 | * Structures representing different init time configuration | |
1da177e4 LT |
347 | * parameters of the NIC. |
348 | */ | |
349 | ||
20346722 | 350 | #define MAX_TX_FIFOS 8 |
351 | #define MAX_RX_RINGS 8 | |
352 | ||
6cfc482b SH |
353 | #define FIFO_DEFAULT_NUM 5 |
354 | #define FIFO_UDP_MAX_NUM 2 /* 0 - even, 1 -odd ports */ | |
355 | #define FIFO_OTHER_MAX_NUM 1 | |
356 | ||
2fda096d | 357 | |
0cec35eb SH |
358 | #define MAX_RX_DESC_1 (MAX_RX_RINGS * MAX_RX_BLOCKS_PER_RING * 127 ) |
359 | #define MAX_RX_DESC_2 (MAX_RX_RINGS * MAX_RX_BLOCKS_PER_RING * 85 ) | |
360 | #define MAX_RX_DESC_3 (MAX_RX_RINGS * MAX_RX_BLOCKS_PER_RING * 85 ) | |
361 | #define MAX_TX_DESC (MAX_AVAILABLE_TXDS) | |
362 | ||
20346722 | 363 | /* FIFO mappings for all possible number of fifos configured */ |
26df54bf | 364 | static int fifo_map[][MAX_TX_FIFOS] = { |
20346722 | 365 | {0, 0, 0, 0, 0, 0, 0, 0}, |
366 | {0, 0, 0, 0, 1, 1, 1, 1}, | |
367 | {0, 0, 0, 1, 1, 1, 2, 2}, | |
368 | {0, 0, 1, 1, 2, 2, 3, 3}, | |
369 | {0, 0, 1, 1, 2, 2, 3, 4}, | |
370 | {0, 0, 1, 1, 2, 3, 4, 5}, | |
371 | {0, 0, 1, 2, 3, 4, 5, 6}, | |
372 | {0, 1, 2, 3, 4, 5, 6, 7}, | |
373 | }; | |
374 | ||
6cfc482b SH |
375 | static u16 fifo_selector[MAX_TX_FIFOS] = {0, 1, 3, 3, 7, 7, 7, 7}; |
376 | ||
1da177e4 | 377 | /* Maintains Per FIFO related information. */ |
1ee6dd77 | 378 | struct tx_fifo_config { |
1da177e4 LT |
379 | #define MAX_AVAILABLE_TXDS 8192 |
380 | u32 fifo_len; /* specifies len of FIFO upto 8192, ie no of TxDLs */ | |
381 | /* Priority definition */ | |
382 | #define TX_FIFO_PRI_0 0 /*Highest */ | |
383 | #define TX_FIFO_PRI_1 1 | |
384 | #define TX_FIFO_PRI_2 2 | |
385 | #define TX_FIFO_PRI_3 3 | |
386 | #define TX_FIFO_PRI_4 4 | |
387 | #define TX_FIFO_PRI_5 5 | |
388 | #define TX_FIFO_PRI_6 6 | |
389 | #define TX_FIFO_PRI_7 7 /*lowest */ | |
390 | u8 fifo_priority; /* specifies pointer level for FIFO */ | |
391 | /* user should not set twos fifos with same pri */ | |
392 | u8 f_no_snoop; | |
393 | #define NO_SNOOP_TXD 0x01 | |
394 | #define NO_SNOOP_TXD_BUFFER 0x02 | |
1ee6dd77 | 395 | }; |
1da177e4 LT |
396 | |
397 | ||
398 | /* Maintains per Ring related information */ | |
1ee6dd77 | 399 | struct rx_ring_config { |
1da177e4 LT |
400 | u32 num_rxd; /*No of RxDs per Rx Ring */ |
401 | #define RX_RING_PRI_0 0 /* highest */ | |
402 | #define RX_RING_PRI_1 1 | |
403 | #define RX_RING_PRI_2 2 | |
404 | #define RX_RING_PRI_3 3 | |
405 | #define RX_RING_PRI_4 4 | |
406 | #define RX_RING_PRI_5 5 | |
407 | #define RX_RING_PRI_6 6 | |
408 | #define RX_RING_PRI_7 7 /* lowest */ | |
409 | ||
410 | u8 ring_priority; /*Specifies service priority of ring */ | |
411 | /* OSM should not set any two rings with same priority */ | |
412 | u8 ring_org; /*Organization of ring */ | |
413 | #define RING_ORG_BUFF1 0x01 | |
414 | #define RX_RING_ORG_BUFF3 0x03 | |
415 | #define RX_RING_ORG_BUFF5 0x05 | |
416 | ||
417 | u8 f_no_snoop; | |
418 | #define NO_SNOOP_RXD 0x01 | |
419 | #define NO_SNOOP_RXD_BUFFER 0x02 | |
1ee6dd77 | 420 | }; |
1da177e4 | 421 | |
20346722 | 422 | /* This structure provides contains values of the tunable parameters |
423 | * of the H/W | |
1da177e4 LT |
424 | */ |
425 | struct config_param { | |
426 | /* Tx Side */ | |
427 | u32 tx_fifo_num; /*Number of Tx FIFOs */ | |
1da177e4 | 428 | |
6cfc482b SH |
429 | /* 0-No steering, 1-Priority steering, 2-Default fifo map */ |
430 | #define NO_STEERING 0 | |
431 | #define TX_PRIORITY_STEERING 0x1 | |
432 | #define TX_DEFAULT_STEERING 0x2 | |
433 | u8 tx_steering_type; | |
434 | ||
20346722 | 435 | u8 fifo_mapping[MAX_TX_FIFOS]; |
1ee6dd77 | 436 | struct tx_fifo_config tx_cfg[MAX_TX_FIFOS]; /*Per-Tx FIFO config */ |
1da177e4 LT |
437 | u32 max_txds; /*Max no. of Tx buffer descriptor per TxDL */ |
438 | u64 tx_intr_type; | |
8abc4d5b SS |
439 | #define INTA 0 |
440 | #define MSI_X 2 | |
441 | u8 intr_type; | |
c77dd43e | 442 | u8 napi; |
8abc4d5b | 443 | |
1da177e4 LT |
444 | /* Specifies if Tx Intr is UTILZ or PER_LIST type. */ |
445 | ||
446 | /* Rx Side */ | |
447 | u32 rx_ring_num; /*Number of receive rings */ | |
1da177e4 LT |
448 | #define MAX_RX_BLOCKS_PER_RING 150 |
449 | ||
1ee6dd77 | 450 | struct rx_ring_config rx_cfg[MAX_RX_RINGS]; /*Per-Rx Ring config */ |
1da177e4 LT |
451 | |
452 | #define HEADER_ETHERNET_II_802_3_SIZE 14 | |
453 | #define HEADER_802_2_SIZE 3 | |
454 | #define HEADER_SNAP_SIZE 5 | |
455 | #define HEADER_VLAN_SIZE 4 | |
456 | ||
457 | #define MIN_MTU 46 | |
458 | #define MAX_PYLD 1500 | |
459 | #define MAX_MTU (MAX_PYLD+18) | |
460 | #define MAX_MTU_VLAN (MAX_PYLD+22) | |
461 | #define MAX_PYLD_JUMBO 9600 | |
462 | #define MAX_MTU_JUMBO (MAX_PYLD_JUMBO+18) | |
463 | #define MAX_MTU_JUMBO_VLAN (MAX_PYLD_JUMBO+22) | |
20346722 | 464 | u16 bus_speed; |
faa4f796 SH |
465 | int max_mc_addr; /* xena=64 herc=256 */ |
466 | int max_mac_addr; /* xena=16 herc=64 */ | |
467 | int mc_start_offset; /* xena=16 herc=64 */ | |
3a3d5756 | 468 | u8 multiq; |
1da177e4 LT |
469 | }; |
470 | ||
471 | /* Structure representing MAC Addrs */ | |
1ee6dd77 | 472 | struct mac_addr { |
1da177e4 | 473 | u8 mac_addr[ETH_ALEN]; |
1ee6dd77 | 474 | }; |
1da177e4 LT |
475 | |
476 | /* Structure that represent every FIFO element in the BAR1 | |
20346722 | 477 | * Address location. |
1da177e4 | 478 | */ |
1ee6dd77 | 479 | struct TxFIFO_element { |
1da177e4 LT |
480 | u64 TxDL_Pointer; |
481 | ||
482 | u64 List_Control; | |
483 | #define TX_FIFO_LAST_TXD_NUM( val) vBIT(val,0,8) | |
b7b5a128 JS |
484 | #define TX_FIFO_FIRST_LIST s2BIT(14) |
485 | #define TX_FIFO_LAST_LIST s2BIT(15) | |
1da177e4 | 486 | #define TX_FIFO_FIRSTNLAST_LIST vBIT(3,14,2) |
b7b5a128 JS |
487 | #define TX_FIFO_SPECIAL_FUNC s2BIT(23) |
488 | #define TX_FIFO_DS_NO_SNOOP s2BIT(31) | |
489 | #define TX_FIFO_BUFF_NO_SNOOP s2BIT(30) | |
1ee6dd77 | 490 | }; |
1da177e4 LT |
491 | |
492 | /* Tx descriptor structure */ | |
1ee6dd77 | 493 | struct TxD { |
1da177e4 LT |
494 | u64 Control_1; |
495 | /* bit mask */ | |
b7b5a128 JS |
496 | #define TXD_LIST_OWN_XENA s2BIT(7) |
497 | #define TXD_T_CODE (s2BIT(12)|s2BIT(13)|s2BIT(14)|s2BIT(15)) | |
1da177e4 LT |
498 | #define TXD_T_CODE_OK(val) (|(val & TXD_T_CODE)) |
499 | #define GET_TXD_T_CODE(val) ((val & TXD_T_CODE)<<12) | |
b7b5a128 JS |
500 | #define TXD_GATHER_CODE (s2BIT(22) | s2BIT(23)) |
501 | #define TXD_GATHER_CODE_FIRST s2BIT(22) | |
502 | #define TXD_GATHER_CODE_LAST s2BIT(23) | |
503 | #define TXD_TCP_LSO_EN s2BIT(30) | |
504 | #define TXD_UDP_COF_EN s2BIT(31) | |
505 | #define TXD_UFO_EN s2BIT(31) | s2BIT(30) | |
1da177e4 | 506 | #define TXD_TCP_LSO_MSS(val) vBIT(val,34,14) |
fed5eccd | 507 | #define TXD_UFO_MSS(val) vBIT(val,34,14) |
1da177e4 LT |
508 | #define TXD_BUFFER0_SIZE(val) vBIT(val,48,16) |
509 | ||
510 | u64 Control_2; | |
b7b5a128 JS |
511 | #define TXD_TX_CKO_CONTROL (s2BIT(5)|s2BIT(6)|s2BIT(7)) |
512 | #define TXD_TX_CKO_IPV4_EN s2BIT(5) | |
513 | #define TXD_TX_CKO_TCP_EN s2BIT(6) | |
514 | #define TXD_TX_CKO_UDP_EN s2BIT(7) | |
515 | #define TXD_VLAN_ENABLE s2BIT(15) | |
1da177e4 LT |
516 | #define TXD_VLAN_TAG(val) vBIT(val,16,16) |
517 | #define TXD_INT_NUMBER(val) vBIT(val,34,6) | |
b7b5a128 JS |
518 | #define TXD_INT_TYPE_PER_LIST s2BIT(47) |
519 | #define TXD_INT_TYPE_UTILZ s2BIT(46) | |
1da177e4 LT |
520 | #define TXD_SET_MARKER vBIT(0x6,0,4) |
521 | ||
522 | u64 Buffer_Pointer; | |
523 | u64 Host_Control; /* reserved for host */ | |
1ee6dd77 | 524 | }; |
1da177e4 LT |
525 | |
526 | /* Structure to hold the phy and virt addr of every TxDL. */ | |
1ee6dd77 | 527 | struct list_info_hold { |
1da177e4 LT |
528 | dma_addr_t list_phy_addr; |
529 | void *list_virt_addr; | |
1ee6dd77 | 530 | }; |
1da177e4 | 531 | |
da6971d8 | 532 | /* Rx descriptor structure for 1 buffer mode */ |
1ee6dd77 | 533 | struct RxD_t { |
1da177e4 LT |
534 | u64 Host_Control; /* reserved for host */ |
535 | u64 Control_1; | |
b7b5a128 JS |
536 | #define RXD_OWN_XENA s2BIT(7) |
537 | #define RXD_T_CODE (s2BIT(12)|s2BIT(13)|s2BIT(14)|s2BIT(15)) | |
1da177e4 | 538 | #define RXD_FRAME_PROTO vBIT(0xFFFF,24,8) |
cdb5bf02 | 539 | #define RXD_FRAME_VLAN_TAG s2BIT(24) |
b7b5a128 JS |
540 | #define RXD_FRAME_PROTO_IPV4 s2BIT(27) |
541 | #define RXD_FRAME_PROTO_IPV6 s2BIT(28) | |
542 | #define RXD_FRAME_IP_FRAG s2BIT(29) | |
543 | #define RXD_FRAME_PROTO_TCP s2BIT(30) | |
544 | #define RXD_FRAME_PROTO_UDP s2BIT(31) | |
1da177e4 LT |
545 | #define TCP_OR_UDP_FRAME (RXD_FRAME_PROTO_TCP | RXD_FRAME_PROTO_UDP) |
546 | #define RXD_GET_L3_CKSUM(val) ((u16)(val>> 16) & 0xFFFF) | |
547 | #define RXD_GET_L4_CKSUM(val) ((u16)(val) & 0xFFFF) | |
548 | ||
549 | u64 Control_2; | |
5e25b9dd | 550 | #define THE_RXD_MARK 0x3 |
551 | #define SET_RXD_MARKER vBIT(THE_RXD_MARK, 0, 2) | |
552 | #define GET_RXD_MARKER(ctrl) ((ctrl & SET_RXD_MARKER) >> 62) | |
553 | ||
1da177e4 LT |
554 | #define MASK_VLAN_TAG vBIT(0xFFFF,48,16) |
555 | #define SET_VLAN_TAG(val) vBIT(val,48,16) | |
556 | #define SET_NUM_TAG(val) vBIT(val,16,32) | |
557 | ||
da6971d8 | 558 | |
1ee6dd77 | 559 | }; |
da6971d8 | 560 | /* Rx descriptor structure for 1 buffer mode */ |
1ee6dd77 RB |
561 | struct RxD1 { |
562 | struct RxD_t h; | |
da6971d8 AR |
563 | |
564 | #define MASK_BUFFER0_SIZE_1 vBIT(0x3FFF,2,14) | |
565 | #define SET_BUFFER0_SIZE_1(val) vBIT(val,2,14) | |
566 | #define RXD_GET_BUFFER0_SIZE_1(_Control_2) \ | |
567 | (u16)((_Control_2 & MASK_BUFFER0_SIZE_1) >> 48) | |
568 | u64 Buffer0_ptr; | |
1ee6dd77 | 569 | }; |
da6971d8 AR |
570 | /* Rx descriptor structure for 3 or 2 buffer mode */ |
571 | ||
1ee6dd77 RB |
572 | struct RxD3 { |
573 | struct RxD_t h; | |
da6971d8 AR |
574 | |
575 | #define MASK_BUFFER0_SIZE_3 vBIT(0xFF,2,14) | |
576 | #define MASK_BUFFER1_SIZE_3 vBIT(0xFFFF,16,16) | |
577 | #define MASK_BUFFER2_SIZE_3 vBIT(0xFFFF,32,16) | |
578 | #define SET_BUFFER0_SIZE_3(val) vBIT(val,8,8) | |
579 | #define SET_BUFFER1_SIZE_3(val) vBIT(val,16,16) | |
580 | #define SET_BUFFER2_SIZE_3(val) vBIT(val,32,16) | |
581 | #define RXD_GET_BUFFER0_SIZE_3(Control_2) \ | |
582 | (u8)((Control_2 & MASK_BUFFER0_SIZE_3) >> 48) | |
583 | #define RXD_GET_BUFFER1_SIZE_3(Control_2) \ | |
584 | (u16)((Control_2 & MASK_BUFFER1_SIZE_3) >> 32) | |
585 | #define RXD_GET_BUFFER2_SIZE_3(Control_2) \ | |
586 | (u16)((Control_2 & MASK_BUFFER2_SIZE_3) >> 16) | |
1da177e4 LT |
587 | #define BUF0_LEN 40 |
588 | #define BUF1_LEN 1 | |
1da177e4 LT |
589 | |
590 | u64 Buffer0_ptr; | |
1da177e4 LT |
591 | u64 Buffer1_ptr; |
592 | u64 Buffer2_ptr; | |
1ee6dd77 | 593 | }; |
da6971d8 | 594 | |
1da177e4 | 595 | |
20346722 | 596 | /* Structure that represents the Rx descriptor block which contains |
1da177e4 LT |
597 | * 128 Rx descriptors. |
598 | */ | |
1ee6dd77 | 599 | struct RxD_block { |
da6971d8 | 600 | #define MAX_RXDS_PER_BLOCK_1 127 |
1ee6dd77 | 601 | struct RxD1 rxd[MAX_RXDS_PER_BLOCK_1]; |
1da177e4 LT |
602 | |
603 | u64 reserved_0; | |
604 | #define END_OF_BLOCK 0xFEFFFFFFFFFFFFFFULL | |
20346722 | 605 | u64 reserved_1; /* 0xFEFFFFFFFFFFFFFF to mark last |
1da177e4 LT |
606 | * Rxd in this blk */ |
607 | u64 reserved_2_pNext_RxD_block; /* Logical ptr to next */ | |
608 | u64 pNext_RxD_Blk_physical; /* Buff0_ptr.In a 32 bit arch | |
20346722 | 609 | * the upper 32 bits should |
1da177e4 | 610 | * be 0 */ |
1ee6dd77 | 611 | }; |
1da177e4 | 612 | |
1da177e4 LT |
613 | #define SIZE_OF_BLOCK 4096 |
614 | ||
19a60522 | 615 | #define RXD_MODE_1 0 /* One Buffer mode */ |
6d517a27 | 616 | #define RXD_MODE_3B 1 /* Two Buffer mode */ |
da6971d8 | 617 | |
20346722 | 618 | /* Structure to hold virtual addresses of Buf0 and Buf1 in |
1da177e4 | 619 | * 2buf mode. */ |
1ee6dd77 | 620 | struct buffAdd { |
1da177e4 LT |
621 | void *ba_0_org; |
622 | void *ba_1_org; | |
623 | void *ba_0; | |
624 | void *ba_1; | |
1ee6dd77 | 625 | }; |
1da177e4 LT |
626 | |
627 | /* Structure which stores all the MAC control parameters */ | |
628 | ||
20346722 | 629 | /* This structure stores the offset of the RxD in the ring |
630 | * from which the Rx Interrupt processor can start picking | |
1da177e4 LT |
631 | * up the RxDs for processing. |
632 | */ | |
1ee6dd77 | 633 | struct rx_curr_get_info { |
1da177e4 LT |
634 | u32 block_index; |
635 | u32 offset; | |
636 | u32 ring_len; | |
1ee6dd77 | 637 | }; |
1da177e4 | 638 | |
1ee6dd77 RB |
639 | struct rx_curr_put_info { |
640 | u32 block_index; | |
641 | u32 offset; | |
642 | u32 ring_len; | |
643 | }; | |
1da177e4 LT |
644 | |
645 | /* This structure stores the offset of the TxDl in the FIFO | |
20346722 | 646 | * from which the Tx Interrupt processor can start picking |
1da177e4 LT |
647 | * up the TxDLs for send complete interrupt processing. |
648 | */ | |
1ee6dd77 | 649 | struct tx_curr_get_info { |
1da177e4 LT |
650 | u32 offset; |
651 | u32 fifo_len; | |
1ee6dd77 | 652 | }; |
1da177e4 | 653 | |
1ee6dd77 RB |
654 | struct tx_curr_put_info { |
655 | u32 offset; | |
656 | u32 fifo_len; | |
657 | }; | |
da6971d8 | 658 | |
1ee6dd77 | 659 | struct rxd_info { |
da6971d8 AR |
660 | void *virt_addr; |
661 | dma_addr_t dma_addr; | |
1ee6dd77 | 662 | }; |
da6971d8 | 663 | |
20346722 | 664 | /* Structure that holds the Phy and virt addresses of the Blocks */ |
1ee6dd77 | 665 | struct rx_block_info { |
da6971d8 | 666 | void *block_virt_addr; |
20346722 | 667 | dma_addr_t block_dma_addr; |
1ee6dd77 RB |
668 | struct rxd_info *rxds; |
669 | }; | |
20346722 | 670 | |
0425b46a SH |
671 | /* Data structure to represent a LRO session */ |
672 | struct lro { | |
673 | struct sk_buff *parent; | |
674 | struct sk_buff *last_frag; | |
675 | u8 *l2h; | |
676 | struct iphdr *iph; | |
677 | struct tcphdr *tcph; | |
678 | u32 tcp_next_seq; | |
679 | __be32 tcp_ack; | |
680 | int total_len; | |
681 | int frags_len; | |
682 | int sg_num; | |
683 | int in_use; | |
684 | __be16 window; | |
685 | u16 vlan_tag; | |
686 | u32 cur_tsval; | |
687 | __be32 cur_tsecr; | |
688 | u8 saw_ts; | |
689 | } ____cacheline_aligned; | |
690 | ||
20346722 | 691 | /* Ring specific structure */ |
1ee6dd77 | 692 | struct ring_info { |
20346722 | 693 | /* The ring number */ |
694 | int ring_no; | |
695 | ||
0425b46a SH |
696 | /* per-ring buffer counter */ |
697 | u32 rx_bufs_left; | |
698 | ||
f61e0a35 | 699 | #define MAX_LRO_SESSIONS 32 |
0425b46a SH |
700 | struct lro lro0_n[MAX_LRO_SESSIONS]; |
701 | u8 lro; | |
702 | ||
703 | /* copy of sp->rxd_mode flag */ | |
704 | int rxd_mode; | |
705 | ||
706 | /* Number of rxds per block for the rxd_mode */ | |
707 | int rxd_count; | |
708 | ||
709 | /* copy of sp pointer */ | |
710 | struct s2io_nic *nic; | |
711 | ||
712 | /* copy of sp->dev pointer */ | |
713 | struct net_device *dev; | |
714 | ||
715 | /* copy of sp->pdev pointer */ | |
716 | struct pci_dev *pdev; | |
717 | ||
f61e0a35 SH |
718 | /* Per ring napi struct */ |
719 | struct napi_struct napi; | |
720 | ||
721 | unsigned long interrupt_count; | |
722 | ||
20346722 | 723 | /* |
724 | * Place holders for the virtual and physical addresses of | |
725 | * all the Rx Blocks | |
726 | */ | |
1ee6dd77 | 727 | struct rx_block_info rx_blocks[MAX_RX_BLOCKS_PER_RING]; |
20346722 | 728 | int block_count; |
729 | int pkt_cnt; | |
730 | ||
731 | /* | |
732 | * Put pointer info which indictes which RxD has to be replenished | |
1da177e4 LT |
733 | * with a new buffer. |
734 | */ | |
1ee6dd77 | 735 | struct rx_curr_put_info rx_curr_put_info; |
1da177e4 | 736 | |
20346722 | 737 | /* |
738 | * Get pointer info which indictes which is the last RxD that was | |
1da177e4 LT |
739 | * processed by the driver. |
740 | */ | |
1ee6dd77 | 741 | struct rx_curr_get_info rx_curr_get_info; |
1da177e4 | 742 | |
0425b46a SH |
743 | /* interface MTU value */ |
744 | unsigned mtu; | |
7d2e3cb7 | 745 | |
20346722 | 746 | /* Buffer Address store. */ |
1ee6dd77 | 747 | struct buffAdd **ba; |
0425b46a | 748 | } ____cacheline_aligned; |
1da177e4 | 749 | |
20346722 | 750 | /* Fifo specific structure */ |
1ee6dd77 | 751 | struct fifo_info { |
20346722 | 752 | /* FIFO number */ |
753 | int fifo_no; | |
754 | ||
755 | /* Maximum TxDs per TxDL */ | |
756 | int max_txds; | |
757 | ||
758 | /* Place holder of all the TX List's Phy and Virt addresses. */ | |
1ee6dd77 | 759 | struct list_info_hold *list_info; |
20346722 | 760 | |
761 | /* | |
762 | * Current offset within the tx FIFO where driver would write | |
763 | * new Tx frame | |
764 | */ | |
1ee6dd77 | 765 | struct tx_curr_put_info tx_curr_put_info; |
20346722 | 766 | |
767 | /* | |
768 | * Current offset within tx FIFO from where the driver would start freeing | |
769 | * the buffers | |
770 | */ | |
1ee6dd77 | 771 | struct tx_curr_get_info tx_curr_get_info; |
3a3d5756 SH |
772 | #define FIFO_QUEUE_START 0 |
773 | #define FIFO_QUEUE_STOP 1 | |
774 | int queue_state; | |
775 | ||
776 | /* copy of sp->dev pointer */ | |
777 | struct net_device *dev; | |
778 | ||
779 | /* copy of multiq status */ | |
780 | u8 multiq; | |
20346722 | 781 | |
2fda096d SR |
782 | /* Per fifo lock */ |
783 | spinlock_t tx_lock; | |
784 | ||
785 | /* Per fifo UFO in band structure */ | |
786 | u64 *ufo_in_band_v; | |
787 | ||
1ee6dd77 | 788 | struct s2io_nic *nic; |
2fda096d | 789 | } ____cacheline_aligned; |
20346722 | 790 | |
47bdd718 | 791 | /* Information related to the Tx and Rx FIFOs and Rings of Xena |
20346722 | 792 | * is maintained in this structure. |
793 | */ | |
1ee6dd77 | 794 | struct mac_info { |
1da177e4 LT |
795 | /* tx side stuff */ |
796 | /* logical pointer of start of each Tx FIFO */ | |
1ee6dd77 | 797 | struct TxFIFO_element __iomem *tx_FIFO_start[MAX_TX_FIFOS]; |
1da177e4 | 798 | |
20346722 | 799 | /* Fifo specific structure */ |
1ee6dd77 | 800 | struct fifo_info fifos[MAX_TX_FIFOS]; |
20346722 | 801 | |
776bd20f | 802 | /* Save virtual address of TxD page with zero DMA addr(if any) */ |
803 | void *zerodma_virt_addr; | |
804 | ||
20346722 | 805 | /* rx side stuff */ |
806 | /* Ring specific structure */ | |
1ee6dd77 | 807 | struct ring_info rings[MAX_RX_RINGS]; |
20346722 | 808 | |
809 | u16 rmac_pause_time; | |
810 | u16 mc_pause_threshold_q0q3; | |
811 | u16 mc_pause_threshold_q4q7; | |
1da177e4 LT |
812 | |
813 | void *stats_mem; /* orignal pointer to allocated mem */ | |
814 | dma_addr_t stats_mem_phy; /* Physical address of the stat block */ | |
815 | u32 stats_mem_sz; | |
1ee6dd77 RB |
816 | struct stat_block *stats_info; /* Logical address of the stat block */ |
817 | }; | |
1da177e4 | 818 | |
1da177e4 | 819 | /* Default Tunable parameters of the NIC. */ |
9dc737a7 AR |
820 | #define DEFAULT_FIFO_0_LEN 4096 |
821 | #define DEFAULT_FIFO_1_7_LEN 512 | |
c92ca04b AR |
822 | #define SMALL_BLK_CNT 30 |
823 | #define LARGE_BLK_CNT 100 | |
1da177e4 | 824 | |
cc6e7c44 RA |
825 | /* |
826 | * Structure to keep track of the MSI-X vectors and the corresponding | |
827 | * argument registered against each vector | |
828 | */ | |
f61e0a35 | 829 | #define MAX_REQUESTED_MSI_X 9 |
cc6e7c44 RA |
830 | struct s2io_msix_entry |
831 | { | |
832 | u16 vector; | |
833 | u16 entry; | |
834 | void *arg; | |
835 | ||
836 | u8 type; | |
ac731ab6 SH |
837 | #define MSIX_ALARM_TYPE 1 |
838 | #define MSIX_RING_TYPE 2 | |
cc6e7c44 RA |
839 | |
840 | u8 in_use; | |
841 | #define MSIX_REGISTERED_SUCCESS 0xAA | |
842 | }; | |
843 | ||
844 | struct msix_info_st { | |
845 | u64 addr; | |
846 | u64 data; | |
847 | }; | |
848 | ||
92b84437 SS |
849 | /* These flags represent the devices temporary state */ |
850 | enum s2io_device_state_t | |
851 | { | |
852 | __S2IO_STATE_LINK_TASK=0, | |
853 | __S2IO_STATE_CARD_UP | |
854 | }; | |
855 | ||
1da177e4 | 856 | /* Structure representing one instance of the NIC */ |
20346722 | 857 | struct s2io_nic { |
da6971d8 | 858 | int rxd_mode; |
20346722 | 859 | /* |
860 | * Count of packets to be processed in a given iteration, it will be indicated | |
861 | * by the quota field of the device structure when NAPI is enabled. | |
862 | */ | |
863 | int pkts_to_process; | |
20346722 | 864 | struct net_device *dev; |
1ee6dd77 | 865 | struct mac_info mac_control; |
20346722 | 866 | struct config_param config; |
867 | struct pci_dev *pdev; | |
868 | void __iomem *bar0; | |
869 | void __iomem *bar1; | |
1da177e4 LT |
870 | #define MAX_MAC_SUPPORTED 16 |
871 | #define MAX_SUPPORTED_MULTICASTS MAX_MAC_SUPPORTED | |
872 | ||
faa4f796 | 873 | struct mac_addr def_mac_addr[256]; |
1da177e4 LT |
874 | |
875 | struct net_device_stats stats; | |
1da177e4 | 876 | int high_dma_flag; |
1da177e4 LT |
877 | int device_enabled_once; |
878 | ||
c92ca04b | 879 | char name[60]; |
1da177e4 | 880 | |
25fff88e | 881 | /* Timer that handles I/O errors/exceptions */ |
882 | struct timer_list alarm_timer; | |
883 | ||
20346722 | 884 | /* Space to back up the PCI config space */ |
885 | u32 config_space[256 / sizeof(u32)]; | |
886 | ||
1da177e4 LT |
887 | #define PROMISC 1 |
888 | #define ALL_MULTI 2 | |
889 | ||
890 | #define MAX_ADDRS_SUPPORTED 64 | |
1da177e4 | 891 | u16 mc_addr_count; |
1da177e4 LT |
892 | |
893 | u16 m_cast_flg; | |
894 | u16 all_multi_pos; | |
895 | u16 promisc_flg; | |
896 | ||
1da177e4 LT |
897 | /* Id timer, used to blink NIC to physically identify NIC. */ |
898 | struct timer_list id_timer; | |
899 | ||
900 | /* Restart timer, used to restart NIC if the device is stuck and | |
20346722 | 901 | * a schedule task that will set the correct Link state once the |
1da177e4 LT |
902 | * NIC's PHY has stabilized after a state change. |
903 | */ | |
1da177e4 LT |
904 | struct work_struct rst_timer_task; |
905 | struct work_struct set_link_task; | |
1da177e4 | 906 | |
20346722 | 907 | /* Flag that can be used to turn on or turn off the Rx checksum |
1da177e4 LT |
908 | * offload feature. |
909 | */ | |
910 | int rx_csum; | |
911 | ||
6cfc482b SH |
912 | /* Below variables are used for fifo selection to transmit a packet */ |
913 | u16 fifo_selector[MAX_TX_FIFOS]; | |
914 | ||
915 | /* Total fifos for tcp packets */ | |
916 | u8 total_tcp_fifos; | |
917 | ||
918 | /* | |
919 | * Beginning index of udp for udp packets | |
920 | * Value will be equal to | |
921 | * (tx_fifo_num - FIFO_UDP_MAX_NUM - FIFO_OTHER_MAX_NUM) | |
922 | */ | |
923 | u8 udp_fifo_idx; | |
924 | ||
925 | u8 total_udp_fifos; | |
926 | ||
927 | /* | |
928 | * Beginning index of fifo for all other packets | |
929 | * Value will be equal to (tx_fifo_num - FIFO_OTHER_MAX_NUM) | |
930 | */ | |
931 | u8 other_fifo_idx; | |
932 | ||
f61e0a35 | 933 | struct napi_struct napi; |
20346722 | 934 | /* after blink, the adapter must be restored with original |
1da177e4 LT |
935 | * values. |
936 | */ | |
937 | u64 adapt_ctrl_org; | |
938 | ||
939 | /* Last known link state. */ | |
940 | u16 last_link_state; | |
941 | #define LINK_DOWN 1 | |
942 | #define LINK_UP 2 | |
943 | ||
1da177e4 | 944 | int task_flag; |
491976b2 | 945 | unsigned long long start_time; |
be3a6b02 | 946 | struct vlan_group *vlgrp; |
cd0fce03 | 947 | int vlan_strip_flag; |
cc6e7c44 | 948 | #define MSIX_FLG 0xA5 |
f61e0a35 | 949 | int num_entries; |
cc6e7c44 | 950 | struct msix_entry *entries; |
8abc4d5b SS |
951 | int msi_detected; |
952 | wait_queue_head_t msi_wait; | |
cc6e7c44 | 953 | struct s2io_msix_entry *s2io_entries; |
e6a8fee2 | 954 | char desc[MAX_REQUESTED_MSI_X][25]; |
cc6e7c44 | 955 | |
c92ca04b AR |
956 | int avail_msix_vectors; /* No. of MSI-X vectors granted by system */ |
957 | ||
cc6e7c44 RA |
958 | struct msix_info_st msix_info[0x3f]; |
959 | ||
541ae68f | 960 | #define XFRAME_I_DEVICE 1 |
961 | #define XFRAME_II_DEVICE 2 | |
962 | u8 device_type; | |
be3a6b02 | 963 | |
7d3d0439 RA |
964 | unsigned long clubbed_frms_cnt; |
965 | unsigned long sending_both; | |
7d3d0439 | 966 | u16 lro_max_aggr_per_sess; |
92b84437 | 967 | volatile unsigned long state; |
9caab458 | 968 | u64 general_int_mask; |
ac731ab6 | 969 | |
19a60522 SS |
970 | #define VPD_STRING_LEN 80 |
971 | u8 product_name[VPD_STRING_LEN]; | |
972 | u8 serial_num[VPD_STRING_LEN]; | |
20346722 | 973 | }; |
1da177e4 LT |
974 | |
975 | #define RESET_ERROR 1; | |
976 | #define CMD_ERROR 2; | |
977 | ||
978 | /* OS related system calls */ | |
979 | #ifndef readq | |
980 | static inline u64 readq(void __iomem *addr) | |
981 | { | |
20346722 | 982 | u64 ret = 0; |
983 | ret = readl(addr + 4); | |
7ef24b69 AM |
984 | ret <<= 32; |
985 | ret |= readl(addr); | |
1da177e4 LT |
986 | |
987 | return ret; | |
988 | } | |
989 | #endif | |
990 | ||
991 | #ifndef writeq | |
992 | static inline void writeq(u64 val, void __iomem *addr) | |
993 | { | |
994 | writel((u32) (val), addr); | |
995 | writel((u32) (val >> 32), (addr + 4)); | |
996 | } | |
c92ca04b | 997 | #endif |
1da177e4 | 998 | |
6aa20a22 JG |
999 | /* |
1000 | * Some registers have to be written in a particular order to | |
1001 | * expect correct hardware operation. The macro SPECIAL_REG_WRITE | |
1002 | * is used to perform such ordered writes. Defines UF (Upper First) | |
c92ca04b | 1003 | * and LF (Lower First) will be used to specify the required write order. |
1da177e4 LT |
1004 | */ |
1005 | #define UF 1 | |
1006 | #define LF 2 | |
1007 | static inline void SPECIAL_REG_WRITE(u64 val, void __iomem *addr, int order) | |
1008 | { | |
c92ca04b AR |
1009 | u32 ret; |
1010 | ||
1da177e4 LT |
1011 | if (order == LF) { |
1012 | writel((u32) (val), addr); | |
c92ca04b | 1013 | ret = readl(addr); |
1da177e4 | 1014 | writel((u32) (val >> 32), (addr + 4)); |
c92ca04b | 1015 | ret = readl(addr + 4); |
1da177e4 LT |
1016 | } else { |
1017 | writel((u32) (val >> 32), (addr + 4)); | |
c92ca04b | 1018 | ret = readl(addr + 4); |
1da177e4 | 1019 | writel((u32) (val), addr); |
c92ca04b | 1020 | ret = readl(addr); |
1da177e4 LT |
1021 | } |
1022 | } | |
1da177e4 LT |
1023 | |
1024 | /* Interrupt related values of Xena */ | |
1025 | ||
1026 | #define ENABLE_INTRS 1 | |
1027 | #define DISABLE_INTRS 2 | |
1028 | ||
1029 | /* Highest level interrupt blocks */ | |
1030 | #define TX_PIC_INTR (0x0001<<0) | |
1031 | #define TX_DMA_INTR (0x0001<<1) | |
1032 | #define TX_MAC_INTR (0x0001<<2) | |
1033 | #define TX_XGXS_INTR (0x0001<<3) | |
1034 | #define TX_TRAFFIC_INTR (0x0001<<4) | |
1035 | #define RX_PIC_INTR (0x0001<<5) | |
1036 | #define RX_DMA_INTR (0x0001<<6) | |
1037 | #define RX_MAC_INTR (0x0001<<7) | |
1038 | #define RX_XGXS_INTR (0x0001<<8) | |
1039 | #define RX_TRAFFIC_INTR (0x0001<<9) | |
1040 | #define MC_INTR (0x0001<<10) | |
1041 | #define ENA_ALL_INTRS ( TX_PIC_INTR | \ | |
1042 | TX_DMA_INTR | \ | |
1043 | TX_MAC_INTR | \ | |
1044 | TX_XGXS_INTR | \ | |
1045 | TX_TRAFFIC_INTR | \ | |
1046 | RX_PIC_INTR | \ | |
1047 | RX_DMA_INTR | \ | |
1048 | RX_MAC_INTR | \ | |
1049 | RX_XGXS_INTR | \ | |
1050 | RX_TRAFFIC_INTR | \ | |
1051 | MC_INTR ) | |
1052 | ||
1053 | /* Interrupt masks for the general interrupt mask register */ | |
1054 | #define DISABLE_ALL_INTRS 0xFFFFFFFFFFFFFFFFULL | |
1055 | ||
b7b5a128 JS |
1056 | #define TXPIC_INT_M s2BIT(0) |
1057 | #define TXDMA_INT_M s2BIT(1) | |
1058 | #define TXMAC_INT_M s2BIT(2) | |
1059 | #define TXXGXS_INT_M s2BIT(3) | |
1060 | #define TXTRAFFIC_INT_M s2BIT(8) | |
1061 | #define PIC_RX_INT_M s2BIT(32) | |
1062 | #define RXDMA_INT_M s2BIT(33) | |
1063 | #define RXMAC_INT_M s2BIT(34) | |
1064 | #define MC_INT_M s2BIT(35) | |
1065 | #define RXXGXS_INT_M s2BIT(36) | |
1066 | #define RXTRAFFIC_INT_M s2BIT(40) | |
1da177e4 LT |
1067 | |
1068 | /* PIC level Interrupts TODO*/ | |
1069 | ||
1070 | /* DMA level Inressupts */ | |
b7b5a128 JS |
1071 | #define TXDMA_PFC_INT_M s2BIT(0) |
1072 | #define TXDMA_PCC_INT_M s2BIT(2) | |
1da177e4 LT |
1073 | |
1074 | /* PFC block interrupts */ | |
b7b5a128 | 1075 | #define PFC_MISC_ERR_1 s2BIT(0) /* Interrupt to indicate FIFO full */ |
1da177e4 LT |
1076 | |
1077 | /* PCC block interrupts. */ | |
1078 | #define PCC_FB_ECC_ERR vBIT(0xff, 16, 8) /* Interrupt to indicate | |
1079 | PCC_FB_ECC Error. */ | |
1080 | ||
20346722 | 1081 | #define RXD_GET_VLAN_TAG(Control_2) (u16)(Control_2 & MASK_VLAN_TAG) |
1da177e4 LT |
1082 | /* |
1083 | * Prototype declaration. | |
1084 | */ | |
1085 | static int __devinit s2io_init_nic(struct pci_dev *pdev, | |
1086 | const struct pci_device_id *pre); | |
1087 | static void __devexit s2io_rem_nic(struct pci_dev *pdev); | |
1088 | static int init_shared_mem(struct s2io_nic *sp); | |
1089 | static void free_shared_mem(struct s2io_nic *sp); | |
1090 | static int init_nic(struct s2io_nic *nic); | |
f61e0a35 | 1091 | static int rx_intr_handler(struct ring_info *ring_data, int budget); |
01e16faa | 1092 | static void s2io_txpic_intr_handle(struct s2io_nic *sp); |
1ee6dd77 | 1093 | static void tx_intr_handler(struct fifo_info *fifo_data); |
8116f3cf | 1094 | static void s2io_handle_errors(void * dev_id); |
1da177e4 LT |
1095 | |
1096 | static int s2io_starter(void); | |
19a60522 | 1097 | static void s2io_closer(void); |
1da177e4 | 1098 | static void s2io_tx_watchdog(struct net_device *dev); |
1da177e4 | 1099 | static void s2io_set_multicast(struct net_device *dev); |
1ee6dd77 RB |
1100 | static int rx_osm_handler(struct ring_info *ring_data, struct RxD_t * rxdp); |
1101 | static void s2io_link(struct s2io_nic * sp, int link); | |
1102 | static void s2io_reset(struct s2io_nic * sp); | |
f61e0a35 SH |
1103 | static int s2io_poll_msix(struct napi_struct *napi, int budget); |
1104 | static int s2io_poll_inta(struct napi_struct *napi, int budget); | |
1ee6dd77 | 1105 | static void s2io_init_pci(struct s2io_nic * sp); |
2fd37688 | 1106 | static int do_s2io_prog_unicast(struct net_device *dev, u8 *addr); |
25fff88e | 1107 | static void s2io_alarm_handle(unsigned long data); |
cc6e7c44 | 1108 | static irqreturn_t |
7d12e780 | 1109 | s2io_msix_ring_handle(int irq, void *dev_id); |
cc6e7c44 | 1110 | static irqreturn_t |
7d12e780 DH |
1111 | s2io_msix_fifo_handle(int irq, void *dev_id); |
1112 | static irqreturn_t s2io_isr(int irq, void *dev_id); | |
1ee6dd77 | 1113 | static int verify_xena_quiescence(struct s2io_nic *sp); |
7282d491 | 1114 | static const struct ethtool_ops netdev_ethtool_ops; |
c4028958 | 1115 | static void s2io_set_link(struct work_struct *work); |
1ee6dd77 RB |
1116 | static int s2io_set_swapper(struct s2io_nic * sp); |
1117 | static void s2io_card_down(struct s2io_nic *nic); | |
1118 | static int s2io_card_up(struct s2io_nic *nic); | |
9fc93a41 SS |
1119 | static int wait_for_cmd_complete(void __iomem *addr, u64 busy_bit, |
1120 | int bit_state); | |
1ee6dd77 RB |
1121 | static int s2io_add_isr(struct s2io_nic * sp); |
1122 | static void s2io_rem_isr(struct s2io_nic * sp); | |
19a60522 | 1123 | |
1ee6dd77 | 1124 | static void restore_xmsi_data(struct s2io_nic *nic); |
faa4f796 SH |
1125 | static void do_s2io_store_unicast_mc(struct s2io_nic *sp); |
1126 | static void do_s2io_restore_unicast_mc(struct s2io_nic *sp); | |
1127 | static u64 do_s2io_read_unicast_mc(struct s2io_nic *sp, int offset); | |
1128 | static int do_s2io_add_mc(struct s2io_nic *sp, u8 *addr); | |
1129 | static int do_s2io_add_mac(struct s2io_nic *sp, u64 addr, int offset); | |
1130 | static int do_s2io_delete_unicast_mc(struct s2io_nic *sp, u64 addr); | |
7d3d0439 | 1131 | |
0425b46a SH |
1132 | static int s2io_club_tcp_session(struct ring_info *ring_data, u8 *buffer, |
1133 | u8 **tcp, u32 *tcp_len, struct lro **lro, struct RxD_t *rxdp, | |
1134 | struct s2io_nic *sp); | |
1ee6dd77 | 1135 | static void clear_lro_session(struct lro *lro); |
cdb5bf02 | 1136 | static void queue_rx_frame(struct sk_buff *skb, u16 vlan_tag); |
1ee6dd77 RB |
1137 | static void update_L3L4_header(struct s2io_nic *sp, struct lro *lro); |
1138 | static void lro_append_pkt(struct s2io_nic *sp, struct lro *lro, | |
1139 | struct sk_buff *skb, u32 tcp_len); | |
9fc93a41 | 1140 | static int rts_ds_steer(struct s2io_nic *nic, u8 ds_codepoint, u8 ring); |
b41477f3 | 1141 | |
d796fdb7 LV |
1142 | static pci_ers_result_t s2io_io_error_detected(struct pci_dev *pdev, |
1143 | pci_channel_state_t state); | |
1144 | static pci_ers_result_t s2io_io_slot_reset(struct pci_dev *pdev); | |
1145 | static void s2io_io_resume(struct pci_dev *pdev); | |
1146 | ||
75c30b13 AR |
1147 | #define s2io_tcp_mss(skb) skb_shinfo(skb)->gso_size |
1148 | #define s2io_udp_mss(skb) skb_shinfo(skb)->gso_size | |
1149 | #define s2io_offload_type(skb) skb_shinfo(skb)->gso_type | |
1150 | ||
b41477f3 AR |
1151 | #define S2IO_PARM_INT(X, def_val) \ |
1152 | static unsigned int X = def_val;\ | |
1153 | module_param(X , uint, 0); | |
1154 | ||
1da177e4 | 1155 | #endif /* _S2IO_H */ |