diff options
author | chas williams - CONTRACTOR <chas@cmf.nrl.navy.mil> | 2010-05-29 05:03:44 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-05-31 03:27:46 -0400 |
commit | 098fde114bf6655f4b75d71dbea208d039fc1de3 (patch) | |
tree | ea889dae935d8ca04508694929a0d17fde42ac1a /drivers/atm/nicstar.h | |
parent | 741a00be1f6bfa027225f44703ab72a741b757b7 (diff) |
atm: [nicstar] reformatted with Lindent
Signed-off-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/atm/nicstar.h')
-rw-r--r-- | drivers/atm/nicstar.h | 578 |
1 files changed, 255 insertions, 323 deletions
diff --git a/drivers/atm/nicstar.h b/drivers/atm/nicstar.h index 6010e3daa6a2..43eb2db1fb88 100644 --- a/drivers/atm/nicstar.h +++ b/drivers/atm/nicstar.h | |||
@@ -1,5 +1,4 @@ | |||
1 | /****************************************************************************** | 1 | /* |
2 | * | ||
3 | * nicstar.h | 2 | * nicstar.h |
4 | * | 3 | * |
5 | * Header file for the nicstar device driver. | 4 | * Header file for the nicstar device driver. |
@@ -8,15 +7,12 @@ | |||
8 | * PowerPC support by Jay Talbott (jay_talbott@mcg.mot.com) April 1999 | 7 | * PowerPC support by Jay Talbott (jay_talbott@mcg.mot.com) April 1999 |
9 | * | 8 | * |
10 | * (C) INESC 1998 | 9 | * (C) INESC 1998 |
11 | * | 10 | */ |
12 | ******************************************************************************/ | ||
13 | |||
14 | 11 | ||
15 | #ifndef _LINUX_NICSTAR_H_ | 12 | #ifndef _LINUX_NICSTAR_H_ |
16 | #define _LINUX_NICSTAR_H_ | 13 | #define _LINUX_NICSTAR_H_ |
17 | 14 | ||
18 | 15 | /* Includes */ | |
19 | /* Includes *******************************************************************/ | ||
20 | 16 | ||
21 | #include <linux/types.h> | 17 | #include <linux/types.h> |
22 | #include <linux/pci.h> | 18 | #include <linux/pci.h> |
@@ -25,12 +21,11 @@ | |||
25 | #include <linux/atmdev.h> | 21 | #include <linux/atmdev.h> |
26 | #include <linux/atm_nicstar.h> | 22 | #include <linux/atm_nicstar.h> |
27 | 23 | ||
28 | 24 | /* Options */ | |
29 | /* Options ********************************************************************/ | ||
30 | 25 | ||
31 | #define NS_MAX_CARDS 4 /* Maximum number of NICStAR based cards | 26 | #define NS_MAX_CARDS 4 /* Maximum number of NICStAR based cards |
32 | controlled by the device driver. Must | 27 | controlled by the device driver. Must |
33 | be <= 5 */ | 28 | be <= 5 */ |
34 | 29 | ||
35 | #undef RCQ_SUPPORT /* Do not define this for now */ | 30 | #undef RCQ_SUPPORT /* Do not define this for now */ |
36 | 31 | ||
@@ -43,7 +38,7 @@ | |||
43 | #define NS_VPIBITS 2 /* 0, 1, 2, or 8 */ | 38 | #define NS_VPIBITS 2 /* 0, 1, 2, or 8 */ |
44 | 39 | ||
45 | #define NS_MAX_RCTSIZE 4096 /* Number of entries. 4096 or 16384. | 40 | #define NS_MAX_RCTSIZE 4096 /* Number of entries. 4096 or 16384. |
46 | Define 4096 only if (all) your card(s) | 41 | Define 4096 only if (all) your card(s) |
47 | have 32K x 32bit SRAM, in which case | 42 | have 32K x 32bit SRAM, in which case |
48 | setting this to 16384 will just waste a | 43 | setting this to 16384 will just waste a |
49 | lot of memory. | 44 | lot of memory. |
@@ -51,33 +46,32 @@ | |||
51 | 128K x 32bit SRAM will limit the maximum | 46 | 128K x 32bit SRAM will limit the maximum |
52 | VCI. */ | 47 | VCI. */ |
53 | 48 | ||
54 | /*#define NS_PCI_LATENCY 64*/ /* Must be a multiple of 32 */ | 49 | /*#define NS_PCI_LATENCY 64*//* Must be a multiple of 32 */ |
55 | 50 | ||
56 | /* Number of buffers initially allocated */ | 51 | /* Number of buffers initially allocated */ |
57 | #define NUM_SB 32 /* Must be even */ | 52 | #define NUM_SB 32 /* Must be even */ |
58 | #define NUM_LB 24 /* Must be even */ | 53 | #define NUM_LB 24 /* Must be even */ |
59 | #define NUM_HB 8 /* Pre-allocated huge buffers */ | 54 | #define NUM_HB 8 /* Pre-allocated huge buffers */ |
60 | #define NUM_IOVB 48 /* Iovec buffers */ | 55 | #define NUM_IOVB 48 /* Iovec buffers */ |
61 | 56 | ||
62 | /* Lower level for count of buffers */ | 57 | /* Lower level for count of buffers */ |
63 | #define MIN_SB 8 /* Must be even */ | 58 | #define MIN_SB 8 /* Must be even */ |
64 | #define MIN_LB 8 /* Must be even */ | 59 | #define MIN_LB 8 /* Must be even */ |
65 | #define MIN_HB 6 | 60 | #define MIN_HB 6 |
66 | #define MIN_IOVB 8 | 61 | #define MIN_IOVB 8 |
67 | 62 | ||
68 | /* Upper level for count of buffers */ | 63 | /* Upper level for count of buffers */ |
69 | #define MAX_SB 64 /* Must be even, <= 508 */ | 64 | #define MAX_SB 64 /* Must be even, <= 508 */ |
70 | #define MAX_LB 48 /* Must be even, <= 508 */ | 65 | #define MAX_LB 48 /* Must be even, <= 508 */ |
71 | #define MAX_HB 10 | 66 | #define MAX_HB 10 |
72 | #define MAX_IOVB 80 | 67 | #define MAX_IOVB 80 |
73 | 68 | ||
74 | /* These are the absolute maximum allowed for the ioctl() */ | 69 | /* These are the absolute maximum allowed for the ioctl() */ |
75 | #define TOP_SB 256 /* Must be even, <= 508 */ | 70 | #define TOP_SB 256 /* Must be even, <= 508 */ |
76 | #define TOP_LB 128 /* Must be even, <= 508 */ | 71 | #define TOP_LB 128 /* Must be even, <= 508 */ |
77 | #define TOP_HB 64 | 72 | #define TOP_HB 64 |
78 | #define TOP_IOVB 256 | 73 | #define TOP_IOVB 256 |
79 | 74 | ||
80 | |||
81 | #define MAX_TBD_PER_VC 1 /* Number of TBDs before a TSR */ | 75 | #define MAX_TBD_PER_VC 1 /* Number of TBDs before a TSR */ |
82 | #define MAX_TBD_PER_SCQ 10 /* Only meaningful for variable rate SCQs */ | 76 | #define MAX_TBD_PER_SCQ 10 /* Only meaningful for variable rate SCQs */ |
83 | 77 | ||
@@ -89,15 +83,12 @@ | |||
89 | 83 | ||
90 | #define PCR_TOLERANCE (1.0001) | 84 | #define PCR_TOLERANCE (1.0001) |
91 | 85 | ||
92 | 86 | /* ESI stuff */ | |
93 | |||
94 | /* ESI stuff ******************************************************************/ | ||
95 | 87 | ||
96 | #define NICSTAR_EPROM_MAC_ADDR_OFFSET 0x6C | 88 | #define NICSTAR_EPROM_MAC_ADDR_OFFSET 0x6C |
97 | #define NICSTAR_EPROM_MAC_ADDR_OFFSET_ALT 0xF6 | 89 | #define NICSTAR_EPROM_MAC_ADDR_OFFSET_ALT 0xF6 |
98 | 90 | ||
99 | 91 | /* #defines */ | |
100 | /* #defines *******************************************************************/ | ||
101 | 92 | ||
102 | #define NS_IOREMAP_SIZE 4096 | 93 | #define NS_IOREMAP_SIZE 4096 |
103 | 94 | ||
@@ -123,22 +114,19 @@ | |||
123 | #define NS_SMSKBSIZE (NS_SMBUFSIZE + NS_AAL0_HEADER) | 114 | #define NS_SMSKBSIZE (NS_SMBUFSIZE + NS_AAL0_HEADER) |
124 | #define NS_LGSKBSIZE (NS_SMBUFSIZE + NS_LGBUFSIZE) | 115 | #define NS_LGSKBSIZE (NS_SMBUFSIZE + NS_LGBUFSIZE) |
125 | 116 | ||
117 | /* NICStAR structures located in host memory */ | ||
126 | 118 | ||
127 | /* NICStAR structures located in host memory **********************************/ | 119 | /* |
128 | 120 | * RSQ - Receive Status Queue | |
129 | |||
130 | |||
131 | /* RSQ - Receive Status Queue | ||
132 | * | 121 | * |
133 | * Written by the NICStAR, read by the device driver. | 122 | * Written by the NICStAR, read by the device driver. |
134 | */ | 123 | */ |
135 | 124 | ||
136 | typedef struct ns_rsqe | 125 | typedef struct ns_rsqe { |
137 | { | 126 | u32 word_1; |
138 | u32 word_1; | 127 | u32 buffer_handle; |
139 | u32 buffer_handle; | 128 | u32 final_aal5_crc32; |
140 | u32 final_aal5_crc32; | 129 | u32 word_4; |
141 | u32 word_4; | ||
142 | } ns_rsqe; | 130 | } ns_rsqe; |
143 | 131 | ||
144 | #define ns_rsqe_vpi(ns_rsqep) \ | 132 | #define ns_rsqe_vpi(ns_rsqep) \ |
@@ -175,30 +163,27 @@ typedef struct ns_rsqe | |||
175 | #define ns_rsqe_cellcount(ns_rsqep) \ | 163 | #define ns_rsqe_cellcount(ns_rsqep) \ |
176 | (le32_to_cpu((ns_rsqep)->word_4) & 0x000001FF) | 164 | (le32_to_cpu((ns_rsqep)->word_4) & 0x000001FF) |
177 | #define ns_rsqe_init(ns_rsqep) \ | 165 | #define ns_rsqe_init(ns_rsqep) \ |
178 | ((ns_rsqep)->word_4 = cpu_to_le32(0x00000000)) | 166 | ((ns_rsqep)->word_4 = cpu_to_le32(0x00000000)) |
179 | 167 | ||
180 | #define NS_RSQ_NUM_ENTRIES (NS_RSQSIZE / 16) | 168 | #define NS_RSQ_NUM_ENTRIES (NS_RSQSIZE / 16) |
181 | #define NS_RSQ_ALIGNMENT NS_RSQSIZE | 169 | #define NS_RSQ_ALIGNMENT NS_RSQSIZE |
182 | 170 | ||
183 | 171 | /* | |
184 | 172 | * RCQ - Raw Cell Queue | |
185 | /* RCQ - Raw Cell Queue | ||
186 | * | 173 | * |
187 | * Written by the NICStAR, read by the device driver. | 174 | * Written by the NICStAR, read by the device driver. |
188 | */ | 175 | */ |
189 | 176 | ||
190 | typedef struct cell_payload | 177 | typedef struct cell_payload { |
191 | { | 178 | u32 word[12]; |
192 | u32 word[12]; | ||
193 | } cell_payload; | 179 | } cell_payload; |
194 | 180 | ||
195 | typedef struct ns_rcqe | 181 | typedef struct ns_rcqe { |
196 | { | 182 | u32 word_1; |
197 | u32 word_1; | 183 | u32 word_2; |
198 | u32 word_2; | 184 | u32 word_3; |
199 | u32 word_3; | 185 | u32 word_4; |
200 | u32 word_4; | 186 | cell_payload payload; |
201 | cell_payload payload; | ||
202 | } ns_rcqe; | 187 | } ns_rcqe; |
203 | 188 | ||
204 | #define NS_RCQE_SIZE 64 /* bytes */ | 189 | #define NS_RCQE_SIZE 64 /* bytes */ |
@@ -210,28 +195,25 @@ typedef struct ns_rcqe | |||
210 | #define ns_rcqe_nextbufhandle(ns_rcqep) \ | 195 | #define ns_rcqe_nextbufhandle(ns_rcqep) \ |
211 | (le32_to_cpu((ns_rcqep)->word_2)) | 196 | (le32_to_cpu((ns_rcqep)->word_2)) |
212 | 197 | ||
213 | 198 | /* | |
214 | 199 | * SCQ - Segmentation Channel Queue | |
215 | /* SCQ - Segmentation Channel Queue | ||
216 | * | 200 | * |
217 | * Written by the device driver, read by the NICStAR. | 201 | * Written by the device driver, read by the NICStAR. |
218 | */ | 202 | */ |
219 | 203 | ||
220 | typedef struct ns_scqe | 204 | typedef struct ns_scqe { |
221 | { | 205 | u32 word_1; |
222 | u32 word_1; | 206 | u32 word_2; |
223 | u32 word_2; | 207 | u32 word_3; |
224 | u32 word_3; | 208 | u32 word_4; |
225 | u32 word_4; | ||
226 | } ns_scqe; | 209 | } ns_scqe; |
227 | 210 | ||
228 | /* NOTE: SCQ entries can be either a TBD (Transmit Buffer Descriptors) | 211 | /* NOTE: SCQ entries can be either a TBD (Transmit Buffer Descriptors) |
229 | or TSR (Transmit Status Requests) */ | 212 | or TSR (Transmit Status Requests) */ |
230 | 213 | ||
231 | #define NS_SCQE_TYPE_TBD 0x00000000 | 214 | #define NS_SCQE_TYPE_TBD 0x00000000 |
232 | #define NS_SCQE_TYPE_TSR 0x80000000 | 215 | #define NS_SCQE_TYPE_TSR 0x80000000 |
233 | 216 | ||
234 | |||
235 | #define NS_TBD_EOPDU 0x40000000 | 217 | #define NS_TBD_EOPDU 0x40000000 |
236 | #define NS_TBD_AAL0 0x00000000 | 218 | #define NS_TBD_AAL0 0x00000000 |
237 | #define NS_TBD_AAL34 0x04000000 | 219 | #define NS_TBD_AAL34 0x04000000 |
@@ -253,10 +235,9 @@ typedef struct ns_scqe | |||
253 | #define ns_tbd_mkword_4(gfc, vpi, vci, pt, clp) \ | 235 | #define ns_tbd_mkword_4(gfc, vpi, vci, pt, clp) \ |
254 | (cpu_to_le32((gfc) << 28 | (vpi) << 20 | (vci) << 4 | (pt) << 1 | (clp))) | 236 | (cpu_to_le32((gfc) << 28 | (vpi) << 20 | (vci) << 4 | (pt) << 1 | (clp))) |
255 | 237 | ||
256 | |||
257 | #define NS_TSR_INTENABLE 0x20000000 | 238 | #define NS_TSR_INTENABLE 0x20000000 |
258 | 239 | ||
259 | #define NS_TSR_SCDISVBR 0xFFFF /* Use as scdi for VBR SCD */ | 240 | #define NS_TSR_SCDISVBR 0xFFFF /* Use as scdi for VBR SCD */ |
260 | 241 | ||
261 | #define ns_tsr_mkword_1(flags) \ | 242 | #define ns_tsr_mkword_1(flags) \ |
262 | (cpu_to_le32(NS_SCQE_TYPE_TSR | (flags))) | 243 | (cpu_to_le32(NS_SCQE_TYPE_TSR | (flags))) |
@@ -273,22 +254,20 @@ typedef struct ns_scqe | |||
273 | 254 | ||
274 | #define NS_SCQE_SIZE 16 | 255 | #define NS_SCQE_SIZE 16 |
275 | 256 | ||
276 | 257 | /* | |
277 | 258 | * TSQ - Transmit Status Queue | |
278 | /* TSQ - Transmit Status Queue | ||
279 | * | 259 | * |
280 | * Written by the NICStAR, read by the device driver. | 260 | * Written by the NICStAR, read by the device driver. |
281 | */ | 261 | */ |
282 | 262 | ||
283 | typedef struct ns_tsi | 263 | typedef struct ns_tsi { |
284 | { | 264 | u32 word_1; |
285 | u32 word_1; | 265 | u32 word_2; |
286 | u32 word_2; | ||
287 | } ns_tsi; | 266 | } ns_tsi; |
288 | 267 | ||
289 | /* NOTE: The first word can be a status word copied from the TSR which | 268 | /* NOTE: The first word can be a status word copied from the TSR which |
290 | originated the TSI, or a timer overflow indicator. In this last | 269 | originated the TSI, or a timer overflow indicator. In this last |
291 | case, the value of the first word is all zeroes. */ | 270 | case, the value of the first word is all zeroes. */ |
292 | 271 | ||
293 | #define NS_TSI_EMPTY 0x80000000 | 272 | #define NS_TSI_EMPTY 0x80000000 |
294 | #define NS_TSI_TIMESTAMP_MASK 0x00FFFFFF | 273 | #define NS_TSI_TIMESTAMP_MASK 0x00FFFFFF |
@@ -301,12 +280,10 @@ typedef struct ns_tsi | |||
301 | #define ns_tsi_init(ns_tsip) \ | 280 | #define ns_tsi_init(ns_tsip) \ |
302 | ((ns_tsip)->word_2 = cpu_to_le32(NS_TSI_EMPTY)) | 281 | ((ns_tsip)->word_2 = cpu_to_le32(NS_TSI_EMPTY)) |
303 | 282 | ||
304 | |||
305 | #define NS_TSQSIZE 8192 | 283 | #define NS_TSQSIZE 8192 |
306 | #define NS_TSQ_NUM_ENTRIES 1024 | 284 | #define NS_TSQ_NUM_ENTRIES 1024 |
307 | #define NS_TSQ_ALIGNMENT 8192 | 285 | #define NS_TSQ_ALIGNMENT 8192 |
308 | 286 | ||
309 | |||
310 | #define NS_TSI_SCDISVBR NS_TSR_SCDISVBR | 287 | #define NS_TSI_SCDISVBR NS_TSR_SCDISVBR |
311 | 288 | ||
312 | #define ns_tsi_tmrof(ns_tsip) \ | 289 | #define ns_tsi_tmrof(ns_tsip) \ |
@@ -316,26 +293,22 @@ typedef struct ns_tsi | |||
316 | #define ns_tsi_getscqpos(ns_tsip) \ | 293 | #define ns_tsi_getscqpos(ns_tsip) \ |
317 | (le32_to_cpu((ns_tsip)->word_1) & 0x00007FFF) | 294 | (le32_to_cpu((ns_tsip)->word_1) & 0x00007FFF) |
318 | 295 | ||
296 | /* NICStAR structures located in local SRAM */ | ||
319 | 297 | ||
320 | 298 | /* | |
321 | /* NICStAR structures located in local SRAM ***********************************/ | 299 | * RCT - Receive Connection Table |
322 | |||
323 | |||
324 | |||
325 | /* RCT - Receive Connection Table | ||
326 | * | 300 | * |
327 | * Written by both the NICStAR and the device driver. | 301 | * Written by both the NICStAR and the device driver. |
328 | */ | 302 | */ |
329 | 303 | ||
330 | typedef struct ns_rcte | 304 | typedef struct ns_rcte { |
331 | { | 305 | u32 word_1; |
332 | u32 word_1; | 306 | u32 buffer_handle; |
333 | u32 buffer_handle; | 307 | u32 dma_address; |
334 | u32 dma_address; | 308 | u32 aal5_crc32; |
335 | u32 aal5_crc32; | ||
336 | } ns_rcte; | 309 | } ns_rcte; |
337 | 310 | ||
338 | #define NS_RCTE_BSFB 0x00200000 /* Rev. D only */ | 311 | #define NS_RCTE_BSFB 0x00200000 /* Rev. D only */ |
339 | #define NS_RCTE_NZGFC 0x00100000 | 312 | #define NS_RCTE_NZGFC 0x00100000 |
340 | #define NS_RCTE_CONNECTOPEN 0x00080000 | 313 | #define NS_RCTE_CONNECTOPEN 0x00080000 |
341 | #define NS_RCTE_AALMASK 0x00070000 | 314 | #define NS_RCTE_AALMASK 0x00070000 |
@@ -358,25 +331,21 @@ typedef struct ns_rcte | |||
358 | #define NS_RCT_ENTRY_SIZE 4 /* Number of dwords */ | 331 | #define NS_RCT_ENTRY_SIZE 4 /* Number of dwords */ |
359 | 332 | ||
360 | /* NOTE: We could make macros to contruct the first word of the RCTE, | 333 | /* NOTE: We could make macros to contruct the first word of the RCTE, |
361 | but that doesn't seem to make much sense... */ | 334 | but that doesn't seem to make much sense... */ |
362 | |||
363 | |||
364 | 335 | ||
365 | /* FBD - Free Buffer Descriptor | 336 | /* |
337 | * FBD - Free Buffer Descriptor | ||
366 | * | 338 | * |
367 | * Written by the device driver using via the command register. | 339 | * Written by the device driver using via the command register. |
368 | */ | 340 | */ |
369 | 341 | ||
370 | typedef struct ns_fbd | 342 | typedef struct ns_fbd { |
371 | { | 343 | u32 buffer_handle; |
372 | u32 buffer_handle; | 344 | u32 dma_address; |
373 | u32 dma_address; | ||
374 | } ns_fbd; | 345 | } ns_fbd; |
375 | 346 | ||
376 | 347 | /* | |
377 | 348 | * TST - Transmit Schedule Table | |
378 | |||
379 | /* TST - Transmit Schedule Table | ||
380 | * | 349 | * |
381 | * Written by the device driver. | 350 | * Written by the device driver. |
382 | */ | 351 | */ |
@@ -385,40 +354,38 @@ typedef u32 ns_tste; | |||
385 | 354 | ||
386 | #define NS_TST_OPCODE_MASK 0x60000000 | 355 | #define NS_TST_OPCODE_MASK 0x60000000 |
387 | 356 | ||
388 | #define NS_TST_OPCODE_NULL 0x00000000 /* Insert null cell */ | 357 | #define NS_TST_OPCODE_NULL 0x00000000 /* Insert null cell */ |
389 | #define NS_TST_OPCODE_FIXED 0x20000000 /* Cell from a fixed rate channel */ | 358 | #define NS_TST_OPCODE_FIXED 0x20000000 /* Cell from a fixed rate channel */ |
390 | #define NS_TST_OPCODE_VARIABLE 0x40000000 | 359 | #define NS_TST_OPCODE_VARIABLE 0x40000000 |
391 | #define NS_TST_OPCODE_END 0x60000000 /* Jump */ | 360 | #define NS_TST_OPCODE_END 0x60000000 /* Jump */ |
392 | 361 | ||
393 | #define ns_tste_make(opcode, sramad) (opcode | sramad) | 362 | #define ns_tste_make(opcode, sramad) (opcode | sramad) |
394 | 363 | ||
395 | /* NOTE: | 364 | /* NOTE: |
396 | 365 | ||
397 | - When the opcode is FIXED, sramad specifies the SRAM address of the | 366 | - When the opcode is FIXED, sramad specifies the SRAM address of the |
398 | SCD for that fixed rate channel. | 367 | SCD for that fixed rate channel. |
399 | - When the opcode is END, sramad specifies the SRAM address of the | 368 | - When the opcode is END, sramad specifies the SRAM address of the |
400 | location of the next TST entry to read. | 369 | location of the next TST entry to read. |
401 | */ | 370 | */ |
402 | 371 | ||
403 | 372 | /* | |
404 | 373 | * SCD - Segmentation Channel Descriptor | |
405 | /* SCD - Segmentation Channel Descriptor | ||
406 | * | 374 | * |
407 | * Written by both the device driver and the NICStAR | 375 | * Written by both the device driver and the NICStAR |
408 | */ | 376 | */ |
409 | 377 | ||
410 | typedef struct ns_scd | 378 | typedef struct ns_scd { |
411 | { | 379 | u32 word_1; |
412 | u32 word_1; | 380 | u32 word_2; |
413 | u32 word_2; | 381 | u32 partial_aal5_crc; |
414 | u32 partial_aal5_crc; | 382 | u32 reserved; |
415 | u32 reserved; | 383 | ns_scqe cache_a; |
416 | ns_scqe cache_a; | 384 | ns_scqe cache_b; |
417 | ns_scqe cache_b; | ||
418 | } ns_scd; | 385 | } ns_scd; |
419 | 386 | ||
420 | #define NS_SCD_BASE_MASK_VAR 0xFFFFE000 /* Variable rate */ | 387 | #define NS_SCD_BASE_MASK_VAR 0xFFFFE000 /* Variable rate */ |
421 | #define NS_SCD_BASE_MASK_FIX 0xFFFFFC00 /* Fixed rate */ | 388 | #define NS_SCD_BASE_MASK_FIX 0xFFFFFC00 /* Fixed rate */ |
422 | #define NS_SCD_TAIL_MASK_VAR 0x00001FF0 | 389 | #define NS_SCD_TAIL_MASK_VAR 0x00001FF0 |
423 | #define NS_SCD_TAIL_MASK_FIX 0x000003F0 | 390 | #define NS_SCD_TAIL_MASK_FIX 0x000003F0 |
424 | #define NS_SCD_HEAD_MASK_VAR 0x00001FF0 | 391 | #define NS_SCD_HEAD_MASK_VAR 0x00001FF0 |
@@ -426,13 +393,9 @@ typedef struct ns_scd | |||
426 | #define NS_SCD_XMITFOREVER 0x02000000 | 393 | #define NS_SCD_XMITFOREVER 0x02000000 |
427 | 394 | ||
428 | /* NOTE: There are other fields in word 2 of the SCD, but as they should | 395 | /* NOTE: There are other fields in word 2 of the SCD, but as they should |
429 | not be needed in the device driver they are not defined here. */ | 396 | not be needed in the device driver they are not defined here. */ |
430 | |||
431 | |||
432 | |||
433 | |||
434 | /* NICStAR local SRAM memory map **********************************************/ | ||
435 | 397 | ||
398 | /* NICStAR local SRAM memory map */ | ||
436 | 399 | ||
437 | #define NS_RCT 0x00000 | 400 | #define NS_RCT 0x00000 |
438 | #define NS_RCT_32_END 0x03FFF | 401 | #define NS_RCT_32_END 0x03FFF |
@@ -455,100 +418,93 @@ typedef struct ns_scd | |||
455 | #define NS_LGFBQ 0x1FC00 | 418 | #define NS_LGFBQ 0x1FC00 |
456 | #define NS_LGFBQ_END 0x1FFFF | 419 | #define NS_LGFBQ_END 0x1FFFF |
457 | 420 | ||
458 | 421 | /* NISCtAR operation registers */ | |
459 | |||
460 | /* NISCtAR operation registers ************************************************/ | ||
461 | |||
462 | 422 | ||
463 | /* See Section 3.4 of `IDT77211 NICStAR User Manual' from www.idt.com */ | 423 | /* See Section 3.4 of `IDT77211 NICStAR User Manual' from www.idt.com */ |
464 | 424 | ||
465 | enum ns_regs | 425 | enum ns_regs { |
466 | { | 426 | DR0 = 0x00, /* Data Register 0 R/W */ |
467 | DR0 = 0x00, /* Data Register 0 R/W*/ | 427 | DR1 = 0x04, /* Data Register 1 W */ |
468 | DR1 = 0x04, /* Data Register 1 W */ | 428 | DR2 = 0x08, /* Data Register 2 W */ |
469 | DR2 = 0x08, /* Data Register 2 W */ | 429 | DR3 = 0x0C, /* Data Register 3 W */ |
470 | DR3 = 0x0C, /* Data Register 3 W */ | 430 | CMD = 0x10, /* Command W */ |
471 | CMD = 0x10, /* Command W */ | 431 | CFG = 0x14, /* Configuration R/W */ |
472 | CFG = 0x14, /* Configuration R/W */ | 432 | STAT = 0x18, /* Status R/W */ |
473 | STAT = 0x18, /* Status R/W */ | 433 | RSQB = 0x1C, /* Receive Status Queue Base W */ |
474 | RSQB = 0x1C, /* Receive Status Queue Base W */ | 434 | RSQT = 0x20, /* Receive Status Queue Tail R */ |
475 | RSQT = 0x20, /* Receive Status Queue Tail R */ | 435 | RSQH = 0x24, /* Receive Status Queue Head W */ |
476 | RSQH = 0x24, /* Receive Status Queue Head W */ | 436 | CDC = 0x28, /* Cell Drop Counter R/clear */ |
477 | CDC = 0x28, /* Cell Drop Counter R/clear */ | 437 | VPEC = 0x2C, /* VPI/VCI Lookup Error Count R/clear */ |
478 | VPEC = 0x2C, /* VPI/VCI Lookup Error Count R/clear */ | 438 | ICC = 0x30, /* Invalid Cell Count R/clear */ |
479 | ICC = 0x30, /* Invalid Cell Count R/clear */ | 439 | RAWCT = 0x34, /* Raw Cell Tail R */ |
480 | RAWCT = 0x34, /* Raw Cell Tail R */ | 440 | TMR = 0x38, /* Timer R */ |
481 | TMR = 0x38, /* Timer R */ | 441 | TSTB = 0x3C, /* Transmit Schedule Table Base R/W */ |
482 | TSTB = 0x3C, /* Transmit Schedule Table Base R/W */ | 442 | TSQB = 0x40, /* Transmit Status Queue Base W */ |
483 | TSQB = 0x40, /* Transmit Status Queue Base W */ | 443 | TSQT = 0x44, /* Transmit Status Queue Tail R */ |
484 | TSQT = 0x44, /* Transmit Status Queue Tail R */ | 444 | TSQH = 0x48, /* Transmit Status Queue Head W */ |
485 | TSQH = 0x48, /* Transmit Status Queue Head W */ | 445 | GP = 0x4C, /* General Purpose R/W */ |
486 | GP = 0x4C, /* General Purpose R/W */ | 446 | VPM = 0x50 /* VPI/VCI Mask W */ |
487 | VPM = 0x50 /* VPI/VCI Mask W */ | ||
488 | }; | 447 | }; |
489 | 448 | ||
490 | 449 | /* NICStAR commands issued to the CMD register */ | |
491 | /* NICStAR commands issued to the CMD register ********************************/ | ||
492 | |||
493 | 450 | ||
494 | /* Top 4 bits are command opcode, lower 28 are parameters. */ | 451 | /* Top 4 bits are command opcode, lower 28 are parameters. */ |
495 | 452 | ||
496 | #define NS_CMD_NO_OPERATION 0x00000000 | 453 | #define NS_CMD_NO_OPERATION 0x00000000 |
497 | /* params always 0 */ | 454 | /* params always 0 */ |
498 | 455 | ||
499 | #define NS_CMD_OPENCLOSE_CONNECTION 0x20000000 | 456 | #define NS_CMD_OPENCLOSE_CONNECTION 0x20000000 |
500 | /* b19{1=open,0=close} b18-2{SRAM addr} */ | 457 | /* b19{1=open,0=close} b18-2{SRAM addr} */ |
501 | 458 | ||
502 | #define NS_CMD_WRITE_SRAM 0x40000000 | 459 | #define NS_CMD_WRITE_SRAM 0x40000000 |
503 | /* b18-2{SRAM addr} b1-0{burst size} */ | 460 | /* b18-2{SRAM addr} b1-0{burst size} */ |
504 | 461 | ||
505 | #define NS_CMD_READ_SRAM 0x50000000 | 462 | #define NS_CMD_READ_SRAM 0x50000000 |
506 | /* b18-2{SRAM addr} */ | 463 | /* b18-2{SRAM addr} */ |
507 | 464 | ||
508 | #define NS_CMD_WRITE_FREEBUFQ 0x60000000 | 465 | #define NS_CMD_WRITE_FREEBUFQ 0x60000000 |
509 | /* b0{large buf indicator} */ | 466 | /* b0{large buf indicator} */ |
510 | 467 | ||
511 | #define NS_CMD_READ_UTILITY 0x80000000 | 468 | #define NS_CMD_READ_UTILITY 0x80000000 |
512 | /* b8{1=select UTL_CS1} b9{1=select UTL_CS0} b7-0{bus addr} */ | 469 | /* b8{1=select UTL_CS1} b9{1=select UTL_CS0} b7-0{bus addr} */ |
513 | 470 | ||
514 | #define NS_CMD_WRITE_UTILITY 0x90000000 | 471 | #define NS_CMD_WRITE_UTILITY 0x90000000 |
515 | /* b8{1=select UTL_CS1} b9{1=select UTL_CS0} b7-0{bus addr} */ | 472 | /* b8{1=select UTL_CS1} b9{1=select UTL_CS0} b7-0{bus addr} */ |
516 | 473 | ||
517 | #define NS_CMD_OPEN_CONNECTION (NS_CMD_OPENCLOSE_CONNECTION | 0x00080000) | 474 | #define NS_CMD_OPEN_CONNECTION (NS_CMD_OPENCLOSE_CONNECTION | 0x00080000) |
518 | #define NS_CMD_CLOSE_CONNECTION NS_CMD_OPENCLOSE_CONNECTION | 475 | #define NS_CMD_CLOSE_CONNECTION NS_CMD_OPENCLOSE_CONNECTION |
519 | 476 | ||
520 | 477 | /* NICStAR configuration bits */ | |
521 | /* NICStAR configuration bits *************************************************/ | 478 | |
522 | 479 | #define NS_CFG_SWRST 0x80000000 /* Software Reset */ | |
523 | #define NS_CFG_SWRST 0x80000000 /* Software Reset */ | 480 | #define NS_CFG_RXPATH 0x20000000 /* Receive Path Enable */ |
524 | #define NS_CFG_RXPATH 0x20000000 /* Receive Path Enable */ | 481 | #define NS_CFG_SMBUFSIZE_MASK 0x18000000 /* Small Receive Buffer Size */ |
525 | #define NS_CFG_SMBUFSIZE_MASK 0x18000000 /* Small Receive Buffer Size */ | 482 | #define NS_CFG_LGBUFSIZE_MASK 0x06000000 /* Large Receive Buffer Size */ |
526 | #define NS_CFG_LGBUFSIZE_MASK 0x06000000 /* Large Receive Buffer Size */ | 483 | #define NS_CFG_EFBIE 0x01000000 /* Empty Free Buffer Queue |
527 | #define NS_CFG_EFBIE 0x01000000 /* Empty Free Buffer Queue | 484 | Interrupt Enable */ |
528 | Interrupt Enable */ | 485 | #define NS_CFG_RSQSIZE_MASK 0x00C00000 /* Receive Status Queue Size */ |
529 | #define NS_CFG_RSQSIZE_MASK 0x00C00000 /* Receive Status Queue Size */ | 486 | #define NS_CFG_ICACCEPT 0x00200000 /* Invalid Cell Accept */ |
530 | #define NS_CFG_ICACCEPT 0x00200000 /* Invalid Cell Accept */ | 487 | #define NS_CFG_IGNOREGFC 0x00100000 /* Ignore General Flow Control */ |
531 | #define NS_CFG_IGNOREGFC 0x00100000 /* Ignore General Flow Control */ | 488 | #define NS_CFG_VPIBITS_MASK 0x000C0000 /* VPI/VCI Bits Size Select */ |
532 | #define NS_CFG_VPIBITS_MASK 0x000C0000 /* VPI/VCI Bits Size Select */ | 489 | #define NS_CFG_RCTSIZE_MASK 0x00030000 /* Receive Connection Table Size */ |
533 | #define NS_CFG_RCTSIZE_MASK 0x00030000 /* Receive Connection Table Size */ | 490 | #define NS_CFG_VCERRACCEPT 0x00008000 /* VPI/VCI Error Cell Accept */ |
534 | #define NS_CFG_VCERRACCEPT 0x00008000 /* VPI/VCI Error Cell Accept */ | 491 | #define NS_CFG_RXINT_MASK 0x00007000 /* End of Receive PDU Interrupt |
535 | #define NS_CFG_RXINT_MASK 0x00007000 /* End of Receive PDU Interrupt | 492 | Handling */ |
536 | Handling */ | 493 | #define NS_CFG_RAWIE 0x00000800 /* Raw Cell Qu' Interrupt Enable */ |
537 | #define NS_CFG_RAWIE 0x00000800 /* Raw Cell Qu' Interrupt Enable */ | 494 | #define NS_CFG_RSQAFIE 0x00000400 /* Receive Queue Almost Full |
538 | #define NS_CFG_RSQAFIE 0x00000400 /* Receive Queue Almost Full | 495 | Interrupt Enable */ |
539 | Interrupt Enable */ | 496 | #define NS_CFG_RXRM 0x00000200 /* Receive RM Cells */ |
540 | #define NS_CFG_RXRM 0x00000200 /* Receive RM Cells */ | 497 | #define NS_CFG_TMRROIE 0x00000080 /* Timer Roll Over Interrupt |
541 | #define NS_CFG_TMRROIE 0x00000080 /* Timer Roll Over Interrupt | 498 | Enable */ |
542 | Enable */ | 499 | #define NS_CFG_TXEN 0x00000020 /* Transmit Operation Enable */ |
543 | #define NS_CFG_TXEN 0x00000020 /* Transmit Operation Enable */ | 500 | #define NS_CFG_TXIE 0x00000010 /* Transmit Status Interrupt |
544 | #define NS_CFG_TXIE 0x00000010 /* Transmit Status Interrupt | 501 | Enable */ |
545 | Enable */ | 502 | #define NS_CFG_TXURIE 0x00000008 /* Transmit Under-run Interrupt |
546 | #define NS_CFG_TXURIE 0x00000008 /* Transmit Under-run Interrupt | 503 | Enable */ |
547 | Enable */ | 504 | #define NS_CFG_UMODE 0x00000004 /* Utopia Mode (cell/byte) Select */ |
548 | #define NS_CFG_UMODE 0x00000004 /* Utopia Mode (cell/byte) Select */ | 505 | #define NS_CFG_TSQFIE 0x00000002 /* Transmit Status Queue Full |
549 | #define NS_CFG_TSQFIE 0x00000002 /* Transmit Status Queue Full | 506 | Interrupt Enable */ |
550 | Interrupt Enable */ | 507 | #define NS_CFG_PHYIE 0x00000001 /* PHY Interrupt Enable */ |
551 | #define NS_CFG_PHYIE 0x00000001 /* PHY Interrupt Enable */ | ||
552 | 508 | ||
553 | #define NS_CFG_SMBUFSIZE_48 0x00000000 | 509 | #define NS_CFG_SMBUFSIZE_48 0x00000000 |
554 | #define NS_CFG_SMBUFSIZE_96 0x08000000 | 510 | #define NS_CFG_SMBUFSIZE_96 0x08000000 |
@@ -579,33 +535,29 @@ enum ns_regs | |||
579 | #define NS_CFG_RXINT_624US 0x00003000 | 535 | #define NS_CFG_RXINT_624US 0x00003000 |
580 | #define NS_CFG_RXINT_899US 0x00004000 | 536 | #define NS_CFG_RXINT_899US 0x00004000 |
581 | 537 | ||
582 | 538 | /* NICStAR STATus bits */ | |
583 | /* NICStAR STATus bits ********************************************************/ | 539 | |
584 | 540 | #define NS_STAT_SFBQC_MASK 0xFF000000 /* hi 8 bits Small Buffer Queue Count */ | |
585 | #define NS_STAT_SFBQC_MASK 0xFF000000 /* hi 8 bits Small Buffer Queue Count */ | 541 | #define NS_STAT_LFBQC_MASK 0x00FF0000 /* hi 8 bits Large Buffer Queue Count */ |
586 | #define NS_STAT_LFBQC_MASK 0x00FF0000 /* hi 8 bits Large Buffer Queue Count */ | 542 | #define NS_STAT_TSIF 0x00008000 /* Transmit Status Queue Indicator */ |
587 | #define NS_STAT_TSIF 0x00008000 /* Transmit Status Queue Indicator */ | 543 | #define NS_STAT_TXICP 0x00004000 /* Transmit Incomplete PDU */ |
588 | #define NS_STAT_TXICP 0x00004000 /* Transmit Incomplete PDU */ | 544 | #define NS_STAT_TSQF 0x00001000 /* Transmit Status Queue Full */ |
589 | #define NS_STAT_TSQF 0x00001000 /* Transmit Status Queue Full */ | 545 | #define NS_STAT_TMROF 0x00000800 /* Timer Overflow */ |
590 | #define NS_STAT_TMROF 0x00000800 /* Timer Overflow */ | 546 | #define NS_STAT_PHYI 0x00000400 /* PHY Device Interrupt */ |
591 | #define NS_STAT_PHYI 0x00000400 /* PHY Device Interrupt */ | 547 | #define NS_STAT_CMDBZ 0x00000200 /* Command Busy */ |
592 | #define NS_STAT_CMDBZ 0x00000200 /* Command Busy */ | 548 | #define NS_STAT_SFBQF 0x00000100 /* Small Buffer Queue Full */ |
593 | #define NS_STAT_SFBQF 0x00000100 /* Small Buffer Queue Full */ | 549 | #define NS_STAT_LFBQF 0x00000080 /* Large Buffer Queue Full */ |
594 | #define NS_STAT_LFBQF 0x00000080 /* Large Buffer Queue Full */ | 550 | #define NS_STAT_RSQF 0x00000040 /* Receive Status Queue Full */ |
595 | #define NS_STAT_RSQF 0x00000040 /* Receive Status Queue Full */ | 551 | #define NS_STAT_EOPDU 0x00000020 /* End of PDU */ |
596 | #define NS_STAT_EOPDU 0x00000020 /* End of PDU */ | 552 | #define NS_STAT_RAWCF 0x00000010 /* Raw Cell Flag */ |
597 | #define NS_STAT_RAWCF 0x00000010 /* Raw Cell Flag */ | 553 | #define NS_STAT_SFBQE 0x00000008 /* Small Buffer Queue Empty */ |
598 | #define NS_STAT_SFBQE 0x00000008 /* Small Buffer Queue Empty */ | 554 | #define NS_STAT_LFBQE 0x00000004 /* Large Buffer Queue Empty */ |
599 | #define NS_STAT_LFBQE 0x00000004 /* Large Buffer Queue Empty */ | 555 | #define NS_STAT_RSQAF 0x00000002 /* Receive Status Queue Almost Full */ |
600 | #define NS_STAT_RSQAF 0x00000002 /* Receive Status Queue Almost Full */ | ||
601 | 556 | ||
602 | #define ns_stat_sfbqc_get(stat) (((stat) & NS_STAT_SFBQC_MASK) >> 23) | 557 | #define ns_stat_sfbqc_get(stat) (((stat) & NS_STAT_SFBQC_MASK) >> 23) |
603 | #define ns_stat_lfbqc_get(stat) (((stat) & NS_STAT_LFBQC_MASK) >> 15) | 558 | #define ns_stat_lfbqc_get(stat) (((stat) & NS_STAT_LFBQC_MASK) >> 15) |
604 | 559 | ||
605 | 560 | /* #defines which depend on other #defines */ | |
606 | |||
607 | /* #defines which depend on other #defines ************************************/ | ||
608 | |||
609 | 561 | ||
610 | #define NS_TST0 NS_TST_FRSCD | 562 | #define NS_TST0 NS_TST_FRSCD |
611 | #define NS_TST1 (NS_TST_FRSCD + NS_TST_NUM_ENTRIES + 1) | 563 | #define NS_TST1 (NS_TST_FRSCD + NS_TST_NUM_ENTRIES + 1) |
@@ -672,8 +624,7 @@ enum ns_regs | |||
672 | #define NS_CFG_TSQFIE_OPT 0x00000000 | 624 | #define NS_CFG_TSQFIE_OPT 0x00000000 |
673 | #endif /* ENABLE_TSQFIE */ | 625 | #endif /* ENABLE_TSQFIE */ |
674 | 626 | ||
675 | 627 | /* PCI stuff */ | |
676 | /* PCI stuff ******************************************************************/ | ||
677 | 628 | ||
678 | #ifndef PCI_VENDOR_ID_IDT | 629 | #ifndef PCI_VENDOR_ID_IDT |
679 | #define PCI_VENDOR_ID_IDT 0x111D | 630 | #define PCI_VENDOR_ID_IDT 0x111D |
@@ -683,138 +634,119 @@ enum ns_regs | |||
683 | #define PCI_DEVICE_ID_IDT_IDT77201 0x0001 | 634 | #define PCI_DEVICE_ID_IDT_IDT77201 0x0001 |
684 | #endif /* PCI_DEVICE_ID_IDT_IDT77201 */ | 635 | #endif /* PCI_DEVICE_ID_IDT_IDT77201 */ |
685 | 636 | ||
686 | 637 | /* Device driver structures */ | |
687 | |||
688 | /* Device driver structures ***************************************************/ | ||
689 | |||
690 | 638 | ||
691 | struct ns_skb_cb { | 639 | struct ns_skb_cb { |
692 | u32 buf_type; /* BUF_SM/BUF_LG/BUF_NONE */ | 640 | u32 buf_type; /* BUF_SM/BUF_LG/BUF_NONE */ |
693 | }; | 641 | }; |
694 | 642 | ||
695 | #define NS_SKB_CB(skb) ((struct ns_skb_cb *)((skb)->cb)) | 643 | #define NS_SKB_CB(skb) ((struct ns_skb_cb *)((skb)->cb)) |
696 | 644 | ||
697 | typedef struct tsq_info | 645 | typedef struct tsq_info { |
698 | { | 646 | void *org; |
699 | void *org; | 647 | ns_tsi *base; |
700 | ns_tsi *base; | 648 | ns_tsi *next; |
701 | ns_tsi *next; | 649 | ns_tsi *last; |
702 | ns_tsi *last; | ||
703 | } tsq_info; | 650 | } tsq_info; |
704 | 651 | ||
705 | 652 | typedef struct scq_info { | |
706 | typedef struct scq_info | 653 | void *org; |
707 | { | 654 | ns_scqe *base; |
708 | void *org; | 655 | ns_scqe *last; |
709 | ns_scqe *base; | 656 | ns_scqe *next; |
710 | ns_scqe *last; | 657 | volatile ns_scqe *tail; /* Not related to the nicstar register */ |
711 | ns_scqe *next; | 658 | unsigned num_entries; |
712 | volatile ns_scqe *tail; /* Not related to the nicstar register */ | 659 | struct sk_buff **skb; /* Pointer to an array of pointers |
713 | unsigned num_entries; | 660 | to the sk_buffs used for tx */ |
714 | struct sk_buff **skb; /* Pointer to an array of pointers | 661 | u32 scd; /* SRAM address of the corresponding |
715 | to the sk_buffs used for tx */ | 662 | SCD */ |
716 | u32 scd; /* SRAM address of the corresponding | 663 | int tbd_count; /* Only meaningful on variable rate */ |
717 | SCD */ | 664 | wait_queue_head_t scqfull_waitq; |
718 | int tbd_count; /* Only meaningful on variable rate */ | 665 | volatile char full; /* SCQ full indicator */ |
719 | wait_queue_head_t scqfull_waitq; | 666 | spinlock_t lock; /* SCQ spinlock */ |
720 | volatile char full; /* SCQ full indicator */ | ||
721 | spinlock_t lock; /* SCQ spinlock */ | ||
722 | } scq_info; | 667 | } scq_info; |
723 | 668 | ||
724 | 669 | typedef struct rsq_info { | |
725 | 670 | void *org; | |
726 | typedef struct rsq_info | 671 | ns_rsqe *base; |
727 | { | 672 | ns_rsqe *next; |
728 | void *org; | 673 | ns_rsqe *last; |
729 | ns_rsqe *base; | ||
730 | ns_rsqe *next; | ||
731 | ns_rsqe *last; | ||
732 | } rsq_info; | 674 | } rsq_info; |
733 | 675 | ||
734 | 676 | typedef struct skb_pool { | |
735 | typedef struct skb_pool | 677 | volatile int count; /* number of buffers in the queue */ |
736 | { | 678 | struct sk_buff_head queue; |
737 | volatile int count; /* number of buffers in the queue */ | ||
738 | struct sk_buff_head queue; | ||
739 | } skb_pool; | 679 | } skb_pool; |
740 | 680 | ||
741 | /* NOTE: for small and large buffer pools, the count is not used, as the | 681 | /* NOTE: for small and large buffer pools, the count is not used, as the |
742 | actual value used for buffer management is the one read from the | 682 | actual value used for buffer management is the one read from the |
743 | card. */ | 683 | card. */ |
744 | 684 | ||
745 | 685 | typedef struct vc_map { | |
746 | typedef struct vc_map | 686 | volatile unsigned int tx:1; /* TX vc? */ |
747 | { | 687 | volatile unsigned int rx:1; /* RX vc? */ |
748 | volatile unsigned int tx:1; /* TX vc? */ | 688 | struct atm_vcc *tx_vcc, *rx_vcc; |
749 | volatile unsigned int rx:1; /* RX vc? */ | 689 | struct sk_buff *rx_iov; /* RX iovector skb */ |
750 | struct atm_vcc *tx_vcc, *rx_vcc; | 690 | scq_info *scq; /* To keep track of the SCQ */ |
751 | struct sk_buff *rx_iov; /* RX iovector skb */ | 691 | u32 cbr_scd; /* SRAM address of the corresponding |
752 | scq_info *scq; /* To keep track of the SCQ */ | 692 | SCD. 0x00000000 for UBR/VBR/ABR */ |
753 | u32 cbr_scd; /* SRAM address of the corresponding | 693 | int tbd_count; |
754 | SCD. 0x00000000 for UBR/VBR/ABR */ | ||
755 | int tbd_count; | ||
756 | } vc_map; | 694 | } vc_map; |
757 | 695 | ||
758 | 696 | struct ns_skb_data { | |
759 | struct ns_skb_data | ||
760 | { | ||
761 | struct atm_vcc *vcc; | 697 | struct atm_vcc *vcc; |
762 | int iovcnt; | 698 | int iovcnt; |
763 | }; | 699 | }; |
764 | 700 | ||
765 | #define NS_SKB(skb) (((struct ns_skb_data *) (skb)->cb)) | 701 | #define NS_SKB(skb) (((struct ns_skb_data *) (skb)->cb)) |
766 | 702 | ||
767 | 703 | typedef struct ns_dev { | |
768 | typedef struct ns_dev | 704 | int index; /* Card ID to the device driver */ |
769 | { | 705 | int sram_size; /* In k x 32bit words. 32 or 128 */ |
770 | int index; /* Card ID to the device driver */ | 706 | void __iomem *membase; /* Card's memory base address */ |
771 | int sram_size; /* In k x 32bit words. 32 or 128 */ | 707 | unsigned long max_pcr; |
772 | void __iomem *membase; /* Card's memory base address */ | 708 | int rct_size; /* Number of entries */ |
773 | unsigned long max_pcr; | 709 | int vpibits; |
774 | int rct_size; /* Number of entries */ | 710 | int vcibits; |
775 | int vpibits; | 711 | struct pci_dev *pcidev; |
776 | int vcibits; | 712 | struct atm_dev *atmdev; |
777 | struct pci_dev *pcidev; | 713 | tsq_info tsq; |
778 | struct atm_dev *atmdev; | 714 | rsq_info rsq; |
779 | tsq_info tsq; | 715 | scq_info *scq0, *scq1, *scq2; /* VBR SCQs */ |
780 | rsq_info rsq; | 716 | skb_pool sbpool; /* Small buffers */ |
781 | scq_info *scq0, *scq1, *scq2; /* VBR SCQs */ | 717 | skb_pool lbpool; /* Large buffers */ |
782 | skb_pool sbpool; /* Small buffers */ | 718 | skb_pool hbpool; /* Pre-allocated huge buffers */ |
783 | skb_pool lbpool; /* Large buffers */ | 719 | skb_pool iovpool; /* iovector buffers */ |
784 | skb_pool hbpool; /* Pre-allocated huge buffers */ | 720 | volatile int efbie; /* Empty free buf. queue int. enabled */ |
785 | skb_pool iovpool; /* iovector buffers */ | 721 | volatile u32 tst_addr; /* SRAM address of the TST in use */ |
786 | volatile int efbie; /* Empty free buf. queue int. enabled */ | 722 | volatile int tst_free_entries; |
787 | volatile u32 tst_addr; /* SRAM address of the TST in use */ | 723 | vc_map vcmap[NS_MAX_RCTSIZE]; |
788 | volatile int tst_free_entries; | 724 | vc_map *tste2vc[NS_TST_NUM_ENTRIES]; |
789 | vc_map vcmap[NS_MAX_RCTSIZE]; | 725 | vc_map *scd2vc[NS_FRSCD_NUM]; |
790 | vc_map *tste2vc[NS_TST_NUM_ENTRIES]; | 726 | buf_nr sbnr; |
791 | vc_map *scd2vc[NS_FRSCD_NUM]; | 727 | buf_nr lbnr; |
792 | buf_nr sbnr; | 728 | buf_nr hbnr; |
793 | buf_nr lbnr; | 729 | buf_nr iovnr; |
794 | buf_nr hbnr; | 730 | int sbfqc; |
795 | buf_nr iovnr; | 731 | int lbfqc; |
796 | int sbfqc; | 732 | u32 sm_handle; |
797 | int lbfqc; | 733 | u32 sm_addr; |
798 | u32 sm_handle; | 734 | u32 lg_handle; |
799 | u32 sm_addr; | 735 | u32 lg_addr; |
800 | u32 lg_handle; | 736 | struct sk_buff *rcbuf; /* Current raw cell buffer */ |
801 | u32 lg_addr; | 737 | u32 rawch; /* Raw cell queue head */ |
802 | struct sk_buff *rcbuf; /* Current raw cell buffer */ | 738 | unsigned intcnt; /* Interrupt counter */ |
803 | u32 rawch; /* Raw cell queue head */ | 739 | spinlock_t int_lock; /* Interrupt lock */ |
804 | unsigned intcnt; /* Interrupt counter */ | 740 | spinlock_t res_lock; /* Card resource lock */ |
805 | spinlock_t int_lock; /* Interrupt lock */ | ||
806 | spinlock_t res_lock; /* Card resource lock */ | ||
807 | } ns_dev; | 741 | } ns_dev; |
808 | 742 | ||
809 | |||
810 | /* NOTE: Each tste2vc entry relates a given TST entry to the corresponding | 743 | /* NOTE: Each tste2vc entry relates a given TST entry to the corresponding |
811 | CBR vc. If the entry is not allocated, it must be NULL. | 744 | CBR vc. If the entry is not allocated, it must be NULL. |
812 | 745 | ||
813 | There are two TSTs so the driver can modify them on the fly | 746 | There are two TSTs so the driver can modify them on the fly |
814 | without stopping the transmission. | 747 | without stopping the transmission. |
815 | |||
816 | scd2vc allows us to find out unused fixed rate SCDs, because | ||
817 | they must have a NULL pointer here. */ | ||
818 | 748 | ||
749 | scd2vc allows us to find out unused fixed rate SCDs, because | ||
750 | they must have a NULL pointer here. */ | ||
819 | 751 | ||
820 | #endif /* _LINUX_NICSTAR_H_ */ | 752 | #endif /* _LINUX_NICSTAR_H_ */ |