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authorStephen Hemminger <shemminger@osdl.org>2006-12-01 19:36:17 -0500
committerJeff Garzik <jeff@garzik.org>2006-12-02 00:24:49 -0500
commit352c417ddb593de757f0ee1fa490cb5444778c41 (patch)
treedd1047e7611f09511c3ad1432a3f49b553b0e91e /drivers/net/chelsio/vsc7326.c
parentf1d3d38af75789f1b82969b83b69cab540609789 (diff)
[PATCH] chelsio: add 1G swcixw aupport
Add support for 1G versions of Chelsio devices. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/chelsio/vsc7326.c')
-rw-r--r--drivers/net/chelsio/vsc7326.c725
1 files changed, 725 insertions, 0 deletions
diff --git a/drivers/net/chelsio/vsc7326.c b/drivers/net/chelsio/vsc7326.c
new file mode 100644
index 000000000000..85dc3b1dc309
--- /dev/null
+++ b/drivers/net/chelsio/vsc7326.c
@@ -0,0 +1,725 @@
1/* $Date: 2006/04/28 19:20:06 $ $RCSfile: vsc7326.c,v $ $Revision: 1.19 $ */
2
3/* Driver for Vitesse VSC7326 (Schaumburg) MAC */
4
5#include "gmac.h"
6#include "elmer0.h"
7#include "vsc7326_reg.h"
8
9/* Update fast changing statistics every 15 seconds */
10#define STATS_TICK_SECS 15
11/* 30 minutes for full statistics update */
12#define MAJOR_UPDATE_TICKS (1800 / STATS_TICK_SECS)
13
14#define MAX_MTU 9600
15
16/* The egress WM value 0x01a01fff should be used only when the
17 * interface is down (MAC port disabled). This is a workaround
18 * for disabling the T2/MAC flow-control. When the interface is
19 * enabled, the WM value should be set to 0x014a03F0.
20 */
21#define WM_DISABLE 0x01a01fff
22#define WM_ENABLE 0x014a03F0
23
24struct init_table {
25 u32 addr;
26 u32 data;
27};
28
29struct _cmac_instance {
30 u32 index;
31 u32 ticks;
32};
33
34#define INITBLOCK_SLEEP 0xffffffff
35
36static void vsc_read(adapter_t *adapter, u32 addr, u32 *val)
37{
38 u32 status, vlo, vhi;
39 int i;
40
41 spin_lock_bh(&adapter->mac_lock);
42 t1_tpi_read(adapter, (addr << 2) + 4, &vlo);
43 i = 0;
44 do {
45 t1_tpi_read(adapter, (REG_LOCAL_STATUS << 2) + 4, &vlo);
46 t1_tpi_read(adapter, REG_LOCAL_STATUS << 2, &vhi);
47 status = (vhi << 16) | vlo;
48 i++;
49 } while (((status & 1) == 0) && (i < 50));
50 if (i == 50)
51 CH_ERR("Invalid tpi read from MAC, breaking loop.\n");
52
53 t1_tpi_read(adapter, (REG_LOCAL_DATA << 2) + 4, &vlo);
54 t1_tpi_read(adapter, REG_LOCAL_DATA << 2, &vhi);
55
56 *val = (vhi << 16) | vlo;
57
58 /* CH_ERR("rd: block: 0x%x sublock: 0x%x reg: 0x%x data: 0x%x\n",
59 ((addr&0xe000)>>13), ((addr&0x1e00)>>9),
60 ((addr&0x01fe)>>1), *val); */
61 spin_unlock_bh(&adapter->mac_lock);
62}
63
64static void vsc_write(adapter_t *adapter, u32 addr, u32 data)
65{
66 spin_lock_bh(&adapter->mac_lock);
67 t1_tpi_write(adapter, (addr << 2) + 4, data & 0xFFFF);
68 t1_tpi_write(adapter, addr << 2, (data >> 16) & 0xFFFF);
69 /* CH_ERR("wr: block: 0x%x sublock: 0x%x reg: 0x%x data: 0x%x\n",
70 ((addr&0xe000)>>13), ((addr&0x1e00)>>9),
71 ((addr&0x01fe)>>1), data); */
72 spin_unlock_bh(&adapter->mac_lock);
73}
74
75/* Hard reset the MAC. This wipes out *all* configuration. */
76static void vsc7326_full_reset(adapter_t* adapter)
77{
78 u32 val;
79 u32 result = 0xffff;
80
81 t1_tpi_read(adapter, A_ELMER0_GPO, &val);
82 val &= ~1;
83 t1_tpi_write(adapter, A_ELMER0_GPO, val);
84 udelay(2);
85 val |= 0x1; /* Enable mac MAC itself */
86 val |= 0x800; /* Turn off the red LED */
87 t1_tpi_write(adapter, A_ELMER0_GPO, val);
88 mdelay(1);
89 vsc_write(adapter, REG_SW_RESET, 0x80000001);
90 do {
91 mdelay(1);
92 vsc_read(adapter, REG_SW_RESET, &result);
93 } while (result != 0x0);
94}
95
96static struct init_table vsc7326_reset[] = {
97 { REG_IFACE_MODE, 0x00000000 },
98 { REG_CRC_CFG, 0x00000020 },
99 { REG_PLL_CLK_SPEED, 0x00050c00 },
100 { REG_PLL_CLK_SPEED, 0x00050c00 },
101 { REG_MSCH, 0x00002f14 },
102 { REG_SPI4_MISC, 0x00040409 },
103 { REG_SPI4_DESKEW, 0x00080000 },
104 { REG_SPI4_ING_SETUP2, 0x08080004 },
105 { REG_SPI4_ING_SETUP0, 0x04111004 },
106 { REG_SPI4_EGR_SETUP0, 0x80001a04 },
107 { REG_SPI4_ING_SETUP1, 0x02010000 },
108 { REG_AGE_INC(0), 0x00000000 },
109 { REG_AGE_INC(1), 0x00000000 },
110 { REG_ING_CONTROL, 0x0a200011 },
111 { REG_EGR_CONTROL, 0xa0010091 },
112};
113
114static struct init_table vsc7326_portinit[4][22] = {
115 { /* Port 0 */
116 /* FIFO setup */
117 { REG_DBG(0), 0x000004f0 },
118 { REG_HDX(0), 0x00073101 },
119 { REG_TEST(0,0), 0x00000022 },
120 { REG_TEST(1,0), 0x00000022 },
121 { REG_TOP_BOTTOM(0,0), 0x003f0000 },
122 { REG_TOP_BOTTOM(1,0), 0x00120000 },
123 { REG_HIGH_LOW_WM(0,0), 0x07460757 },
124 { REG_HIGH_LOW_WM(1,0), WM_DISABLE },
125 { REG_CT_THRHLD(0,0), 0x00000000 },
126 { REG_CT_THRHLD(1,0), 0x00000000 },
127 { REG_BUCKE(0), 0x0002ffff },
128 { REG_BUCKI(0), 0x0002ffff },
129 { REG_TEST(0,0), 0x00000020 },
130 { REG_TEST(1,0), 0x00000020 },
131 /* Port config */
132 { REG_MAX_LEN(0), 0x00002710 },
133 { REG_PORT_FAIL(0), 0x00000002 },
134 { REG_NORMALIZER(0), 0x00000a64 },
135 { REG_DENORM(0), 0x00000010 },
136 { REG_STICK_BIT(0), 0x03baa370 },
137 { REG_DEV_SETUP(0), 0x00000083 },
138 { REG_DEV_SETUP(0), 0x00000082 },
139 { REG_MODE_CFG(0), 0x0200259f },
140 },
141 { /* Port 1 */
142 /* FIFO setup */
143 { REG_DBG(1), 0x000004f0 },
144 { REG_HDX(1), 0x00073101 },
145 { REG_TEST(0,1), 0x00000022 },
146 { REG_TEST(1,1), 0x00000022 },
147 { REG_TOP_BOTTOM(0,1), 0x007e003f },
148 { REG_TOP_BOTTOM(1,1), 0x00240012 },
149 { REG_HIGH_LOW_WM(0,1), 0x07460757 },
150 { REG_HIGH_LOW_WM(1,1), WM_DISABLE },
151 { REG_CT_THRHLD(0,1), 0x00000000 },
152 { REG_CT_THRHLD(1,1), 0x00000000 },
153 { REG_BUCKE(1), 0x0002ffff },
154 { REG_BUCKI(1), 0x0002ffff },
155 { REG_TEST(0,1), 0x00000020 },
156 { REG_TEST(1,1), 0x00000020 },
157 /* Port config */
158 { REG_MAX_LEN(1), 0x00002710 },
159 { REG_PORT_FAIL(1), 0x00000002 },
160 { REG_NORMALIZER(1), 0x00000a64 },
161 { REG_DENORM(1), 0x00000010 },
162 { REG_STICK_BIT(1), 0x03baa370 },
163 { REG_DEV_SETUP(1), 0x00000083 },
164 { REG_DEV_SETUP(1), 0x00000082 },
165 { REG_MODE_CFG(1), 0x0200259f },
166 },
167 { /* Port 2 */
168 /* FIFO setup */
169 { REG_DBG(2), 0x000004f0 },
170 { REG_HDX(2), 0x00073101 },
171 { REG_TEST(0,2), 0x00000022 },
172 { REG_TEST(1,2), 0x00000022 },
173 { REG_TOP_BOTTOM(0,2), 0x00bd007e },
174 { REG_TOP_BOTTOM(1,2), 0x00360024 },
175 { REG_HIGH_LOW_WM(0,2), 0x07460757 },
176 { REG_HIGH_LOW_WM(1,2), WM_DISABLE },
177 { REG_CT_THRHLD(0,2), 0x00000000 },
178 { REG_CT_THRHLD(1,2), 0x00000000 },
179 { REG_BUCKE(2), 0x0002ffff },
180 { REG_BUCKI(2), 0x0002ffff },
181 { REG_TEST(0,2), 0x00000020 },
182 { REG_TEST(1,2), 0x00000020 },
183 /* Port config */
184 { REG_MAX_LEN(2), 0x00002710 },
185 { REG_PORT_FAIL(2), 0x00000002 },
186 { REG_NORMALIZER(2), 0x00000a64 },
187 { REG_DENORM(2), 0x00000010 },
188 { REG_STICK_BIT(2), 0x03baa370 },
189 { REG_DEV_SETUP(2), 0x00000083 },
190 { REG_DEV_SETUP(2), 0x00000082 },
191 { REG_MODE_CFG(2), 0x0200259f },
192 },
193 { /* Port 3 */
194 /* FIFO setup */
195 { REG_DBG(3), 0x000004f0 },
196 { REG_HDX(3), 0x00073101 },
197 { REG_TEST(0,3), 0x00000022 },
198 { REG_TEST(1,3), 0x00000022 },
199 { REG_TOP_BOTTOM(0,3), 0x00fc00bd },
200 { REG_TOP_BOTTOM(1,3), 0x00480036 },
201 { REG_HIGH_LOW_WM(0,3), 0x07460757 },
202 { REG_HIGH_LOW_WM(1,3), WM_DISABLE },
203 { REG_CT_THRHLD(0,3), 0x00000000 },
204 { REG_CT_THRHLD(1,3), 0x00000000 },
205 { REG_BUCKE(3), 0x0002ffff },
206 { REG_BUCKI(3), 0x0002ffff },
207 { REG_TEST(0,3), 0x00000020 },
208 { REG_TEST(1,3), 0x00000020 },
209 /* Port config */
210 { REG_MAX_LEN(3), 0x00002710 },
211 { REG_PORT_FAIL(3), 0x00000002 },
212 { REG_NORMALIZER(3), 0x00000a64 },
213 { REG_DENORM(3), 0x00000010 },
214 { REG_STICK_BIT(3), 0x03baa370 },
215 { REG_DEV_SETUP(3), 0x00000083 },
216 { REG_DEV_SETUP(3), 0x00000082 },
217 { REG_MODE_CFG(3), 0x0200259f },
218 },
219};
220
221static void run_table(adapter_t *adapter, struct init_table *ib, int len)
222{
223 int i;
224
225 for (i = 0; i < len; i++) {
226 if (ib[i].addr == INITBLOCK_SLEEP) {
227 udelay( ib[i].data );
228 CH_ERR("sleep %d us\n",ib[i].data);
229 } else {
230 vsc_write( adapter, ib[i].addr, ib[i].data );
231 }
232 }
233}
234
235static int bist_rd(adapter_t *adapter, int moduleid, int address)
236{
237 int data=0;
238 u32 result=0;
239
240 if( (address != 0x0) &&
241 (address != 0x1) &&
242 (address != 0x2) &&
243 (address != 0xd) &&
244 (address != 0xe))
245 CH_ERR("No bist address: 0x%x\n", address);
246
247 data = ((0x00 << 24) | ((address & 0xff) << 16) | (0x00 << 8) |
248 ((moduleid & 0xff) << 0));
249 vsc_write(adapter, REG_RAM_BIST_CMD, data);
250
251 udelay(10);
252
253 vsc_read(adapter, REG_RAM_BIST_RESULT, &result);
254 if((result & (1<<9)) != 0x0)
255 CH_ERR("Still in bist read: 0x%x\n", result);
256 else if((result & (1<<8)) != 0x0)
257 CH_ERR("bist read error: 0x%x\n", result);
258
259 return(result & 0xff);
260}
261
262static int bist_wr(adapter_t *adapter, int moduleid, int address, int value)
263{
264 int data=0;
265 u32 result=0;
266
267 if( (address != 0x0) &&
268 (address != 0x1) &&
269 (address != 0x2) &&
270 (address != 0xd) &&
271 (address != 0xe))
272 CH_ERR("No bist address: 0x%x\n", address);
273
274 if( value>255 )
275 CH_ERR("Suspicious write out of range value: 0x%x\n", value);
276
277 data = ((0x01 << 24) | ((address & 0xff) << 16) | (value << 8) |
278 ((moduleid & 0xff) << 0));
279 vsc_write(adapter, REG_RAM_BIST_CMD, data);
280
281 udelay(5);
282
283 vsc_read(adapter, REG_RAM_BIST_CMD, &result);
284 if((result & (1<<27)) != 0x0)
285 CH_ERR("Still in bist write: 0x%x\n", result);
286 else if((result & (1<<26)) != 0x0)
287 CH_ERR("bist write error: 0x%x\n", result);
288
289 return(0);
290}
291
292static int run_bist(adapter_t *adapter, int moduleid)
293{
294 /*run bist*/
295 (void) bist_wr(adapter,moduleid, 0x00, 0x02);
296 (void) bist_wr(adapter,moduleid, 0x01, 0x01);
297
298 return(0);
299}
300
301static int check_bist(adapter_t *adapter, int moduleid)
302{
303 int result=0;
304 int column=0;
305 /*check bist*/
306 result = bist_rd(adapter,moduleid, 0x02);
307 column = ((bist_rd(adapter,moduleid, 0x0e)<<8) +
308 (bist_rd(adapter,moduleid, 0x0d)));
309 if ((result & 3) != 0x3)
310 CH_ERR("Result: 0x%x BIST error in ram %d, column: 0x%04x\n",
311 result, moduleid, column);
312 return(0);
313}
314
315static int enable_mem(adapter_t *adapter, int moduleid)
316{
317 /*enable mem*/
318 (void) bist_wr(adapter,moduleid, 0x00, 0x00);
319 return(0);
320}
321
322static int run_bist_all(adapter_t *adapter)
323{
324 int port=0;
325 u32 val=0;
326
327 vsc_write(adapter, REG_MEM_BIST, 0x5);
328 vsc_read(adapter, REG_MEM_BIST, &val);
329
330 for(port=0; port<12; port++){
331 vsc_write(adapter, REG_DEV_SETUP(port), 0x0);
332 }
333
334 udelay(300);
335 vsc_write(adapter, REG_SPI4_MISC, 0x00040409);
336 udelay(300);
337
338 (void) run_bist(adapter,13);
339 (void) run_bist(adapter,14);
340 (void) run_bist(adapter,20);
341 (void) run_bist(adapter,21);
342 mdelay(200);
343 (void) check_bist(adapter,13);
344 (void) check_bist(adapter,14);
345 (void) check_bist(adapter,20);
346 (void) check_bist(adapter,21);
347 udelay(100);
348 (void) enable_mem(adapter,13);
349 (void) enable_mem(adapter,14);
350 (void) enable_mem(adapter,20);
351 (void) enable_mem(adapter,21);
352 udelay(300);
353 vsc_write(adapter, REG_SPI4_MISC, 0x60040400);
354 udelay(300);
355 for(port=0; port<12; port++){
356 vsc_write(adapter, REG_DEV_SETUP(port), 0x1);
357 }
358 udelay(300);
359 vsc_write(adapter, REG_MEM_BIST, 0x0);
360 mdelay(10);
361 return(0);
362}
363
364static int mac_intr_handler(struct cmac *mac)
365{
366 return 0;
367}
368
369static int mac_intr_enable(struct cmac *mac)
370{
371 return 0;
372}
373
374static int mac_intr_disable(struct cmac *mac)
375{
376 return 0;
377}
378
379static int mac_intr_clear(struct cmac *mac)
380{
381 return 0;
382}
383
384/* Expect MAC address to be in network byte order. */
385static int mac_set_address(struct cmac* mac, u8 addr[6])
386{
387 u32 val;
388 int port = mac->instance->index;
389
390 vsc_write(mac->adapter, REG_MAC_LOW_ADDR(port),
391 (addr[3] << 16) | (addr[4] << 8) | addr[5]);
392 vsc_write(mac->adapter, REG_MAC_HIGH_ADDR(port),
393 (addr[0] << 16) | (addr[1] << 8) | addr[2]);
394
395 vsc_read(mac->adapter, REG_ING_FFILT_UM_EN, &val);
396 val &= ~0xf0000000;
397 vsc_write(mac->adapter, REG_ING_FFILT_UM_EN, val | (port << 28));
398
399 vsc_write(mac->adapter, REG_ING_FFILT_MASK0,
400 0xffff0000 | (addr[4] << 8) | addr[5]);
401 vsc_write(mac->adapter, REG_ING_FFILT_MASK1,
402 0xffff0000 | (addr[2] << 8) | addr[3]);
403 vsc_write(mac->adapter, REG_ING_FFILT_MASK2,
404 0xffff0000 | (addr[0] << 8) | addr[1]);
405 return 0;
406}
407
408static int mac_get_address(struct cmac *mac, u8 addr[6])
409{
410 u32 addr_lo, addr_hi;
411 int port = mac->instance->index;
412
413 vsc_read(mac->adapter, REG_MAC_LOW_ADDR(port), &addr_lo);
414 vsc_read(mac->adapter, REG_MAC_HIGH_ADDR(port), &addr_hi);
415
416 addr[0] = (u8) (addr_hi >> 16);
417 addr[1] = (u8) (addr_hi >> 8);
418 addr[2] = (u8) addr_hi;
419 addr[3] = (u8) (addr_lo >> 16);
420 addr[4] = (u8) (addr_lo >> 8);
421 addr[5] = (u8) addr_lo;
422 return 0;
423}
424
425/* This is intended to reset a port, not the whole MAC */
426static int mac_reset(struct cmac *mac)
427{
428 int index = mac->instance->index;
429
430 run_table(mac->adapter, vsc7326_portinit[index],
431 ARRAY_SIZE(vsc7326_portinit[index]));
432
433 return 0;
434}
435
436static int mac_set_rx_mode(struct cmac *mac, struct t1_rx_mode *rm)
437{
438 u32 v;
439 int port = mac->instance->index;
440
441 vsc_read(mac->adapter, REG_ING_FFILT_UM_EN, &v);
442 v |= 1 << 12;
443
444 if (t1_rx_mode_promisc(rm))
445 v &= ~(1 << (port + 16));
446 else
447 v |= 1 << (port + 16);
448
449 vsc_write(mac->adapter, REG_ING_FFILT_UM_EN, v);
450 return 0;
451}
452
453static int mac_set_mtu(struct cmac *mac, int mtu)
454{
455 int port = mac->instance->index;
456
457 if (mtu > MAX_MTU)
458 return -EINVAL;
459
460 /* max_len includes header and FCS */
461 vsc_write(mac->adapter, REG_MAX_LEN(port), mtu + 14 + 4);
462 return 0;
463}
464
465static int mac_set_speed_duplex_fc(struct cmac *mac, int speed, int duplex,
466 int fc)
467{
468 u32 v;
469 int enable, port = mac->instance->index;
470
471 if (speed >= 0 && speed != SPEED_10 && speed != SPEED_100 &&
472 speed != SPEED_1000)
473 return -1;
474 if (duplex > 0 && duplex != DUPLEX_FULL)
475 return -1;
476
477 if (speed >= 0) {
478 vsc_read(mac->adapter, REG_MODE_CFG(port), &v);
479 enable = v & 3; /* save tx/rx enables */
480 v &= ~0xf;
481 v |= 4; /* full duplex */
482 if (speed == SPEED_1000)
483 v |= 8; /* GigE */
484 enable |= v;
485 vsc_write(mac->adapter, REG_MODE_CFG(port), v);
486
487 if (speed == SPEED_1000)
488 v = 0x82;
489 else if (speed == SPEED_100)
490 v = 0x84;
491 else /* SPEED_10 */
492 v = 0x86;
493 vsc_write(mac->adapter, REG_DEV_SETUP(port), v | 1); /* reset */
494 vsc_write(mac->adapter, REG_DEV_SETUP(port), v);
495 vsc_read(mac->adapter, REG_DBG(port), &v);
496 v &= ~0xff00;
497 if (speed == SPEED_1000)
498 v |= 0x400;
499 else if (speed == SPEED_100)
500 v |= 0x2000;
501 else /* SPEED_10 */
502 v |= 0xff00;
503 vsc_write(mac->adapter, REG_DBG(port), v);
504
505 vsc_write(mac->adapter, REG_TX_IFG(port),
506 speed == SPEED_1000 ? 5 : 0x11);
507 if (duplex == DUPLEX_HALF)
508 enable = 0x0; /* 100 or 10 */
509 else if (speed == SPEED_1000)
510 enable = 0xc;
511 else /* SPEED_100 or 10 */
512 enable = 0x4;
513 enable |= 0x9 << 10; /* IFG1 */
514 enable |= 0x6 << 6; /* IFG2 */
515 enable |= 0x1 << 4; /* VLAN */
516 enable |= 0x3; /* RX/TX EN */
517 vsc_write(mac->adapter, REG_MODE_CFG(port), enable);
518
519 }
520
521 vsc_read(mac->adapter, REG_PAUSE_CFG(port), &v);
522 v &= 0xfff0ffff;
523 v |= 0x20000; /* xon/xoff */
524 if (fc & PAUSE_RX)
525 v |= 0x40000;
526 if (fc & PAUSE_TX)
527 v |= 0x80000;
528 if (fc == (PAUSE_RX | PAUSE_TX))
529 v |= 0x10000;
530 vsc_write(mac->adapter, REG_PAUSE_CFG(port), v);
531 return 0;
532}
533
534static int mac_enable(struct cmac *mac, int which)
535{
536 u32 val;
537 int port = mac->instance->index;
538
539 /* Write the correct WM value when the port is enabled. */
540 vsc_write(mac->adapter, REG_HIGH_LOW_WM(1,port), WM_ENABLE);
541
542 vsc_read(mac->adapter, REG_MODE_CFG(port), &val);
543 if (which & MAC_DIRECTION_RX)
544 val |= 0x2;
545 if (which & MAC_DIRECTION_TX)
546 val |= 1;
547 vsc_write(mac->adapter, REG_MODE_CFG(port), val);
548 return 0;
549}
550
551static int mac_disable(struct cmac *mac, int which)
552{
553 u32 val;
554 int i, port = mac->instance->index;
555
556 /* Reset the port, this also writes the correct WM value */
557 mac_reset(mac);
558
559 vsc_read(mac->adapter, REG_MODE_CFG(port), &val);
560 if (which & MAC_DIRECTION_RX)
561 val &= ~0x2;
562 if (which & MAC_DIRECTION_TX)
563 val &= ~0x1;
564 vsc_write(mac->adapter, REG_MODE_CFG(port), val);
565 vsc_read(mac->adapter, REG_MODE_CFG(port), &val);
566
567 /* Clear stats */
568 for (i = 0; i <= 0x3a; ++i)
569 vsc_write(mac->adapter, CRA(4, port, i), 0);
570
571 /* Clear sofware counters */
572 memset(&mac->stats, 0, sizeof(struct cmac_statistics));
573
574 return 0;
575}
576
577static void rmon_update(struct cmac *mac, unsigned int addr, u64 *stat)
578{
579 u32 v, lo;
580
581 vsc_read(mac->adapter, addr, &v);
582 lo = *stat;
583 *stat = *stat - lo + v;
584
585 if (v == 0)
586 return;
587
588 if (v < lo)
589 *stat += (1ULL << 32);
590}
591
592static void port_stats_update(struct cmac *mac)
593{
594 int port = mac->instance->index;
595
596 /* Rx stats */
597 rmon_update(mac, REG_RX_OK_BYTES(port), &mac->stats.RxOctetsOK);
598 rmon_update(mac, REG_RX_BAD_BYTES(port), &mac->stats.RxOctetsBad);
599 rmon_update(mac, REG_RX_UNICAST(port), &mac->stats.RxUnicastFramesOK);
600 rmon_update(mac, REG_RX_MULTICAST(port),
601 &mac->stats.RxMulticastFramesOK);
602 rmon_update(mac, REG_RX_BROADCAST(port),
603 &mac->stats.RxBroadcastFramesOK);
604 rmon_update(mac, REG_CRC(port), &mac->stats.RxFCSErrors);
605 rmon_update(mac, REG_RX_ALIGNMENT(port), &mac->stats.RxAlignErrors);
606 rmon_update(mac, REG_RX_OVERSIZE(port),
607 &mac->stats.RxFrameTooLongErrors);
608 rmon_update(mac, REG_RX_PAUSE(port), &mac->stats.RxPauseFrames);
609 rmon_update(mac, REG_RX_JABBERS(port), &mac->stats.RxJabberErrors);
610 rmon_update(mac, REG_RX_FRAGMENTS(port), &mac->stats.RxRuntErrors);
611 rmon_update(mac, REG_RX_UNDERSIZE(port), &mac->stats.RxRuntErrors);
612 rmon_update(mac, REG_RX_SYMBOL_CARRIER(port),
613 &mac->stats.RxSymbolErrors);
614 rmon_update(mac, REG_RX_SIZE_1519_TO_MAX(port),
615 &mac->stats.RxJumboFramesOK);
616
617 /* Tx stats (skip collision stats as we are full-duplex only) */
618 rmon_update(mac, REG_TX_OK_BYTES(port), &mac->stats.TxOctetsOK);
619 rmon_update(mac, REG_TX_UNICAST(port), &mac->stats.TxUnicastFramesOK);
620 rmon_update(mac, REG_TX_MULTICAST(port),
621 &mac->stats.TxMulticastFramesOK);
622 rmon_update(mac, REG_TX_BROADCAST(port),
623 &mac->stats.TxBroadcastFramesOK);
624 rmon_update(mac, REG_TX_PAUSE(port), &mac->stats.TxPauseFrames);
625 rmon_update(mac, REG_TX_UNDERRUN(port), &mac->stats.TxUnderrun);
626 rmon_update(mac, REG_TX_SIZE_1519_TO_MAX(port),
627 &mac->stats.TxJumboFramesOK);
628}
629
630/*
631 * This function is called periodically to accumulate the current values of the
632 * RMON counters into the port statistics. Since the counters are only 32 bits
633 * some of them can overflow in less than a minute at GigE speeds, so this
634 * function should be called every 30 seconds or so.
635 *
636 * To cut down on reading costs we update only the octet counters at each tick
637 * and do a full update at major ticks, which can be every 30 minutes or more.
638 */
639static const struct cmac_statistics *mac_update_statistics(struct cmac *mac,
640 int flag)
641{
642 if (flag == MAC_STATS_UPDATE_FULL ||
643 mac->instance->ticks >= MAJOR_UPDATE_TICKS) {
644 port_stats_update(mac);
645 mac->instance->ticks = 0;
646 } else {
647 int port = mac->instance->index;
648
649 rmon_update(mac, REG_RX_OK_BYTES(port),
650 &mac->stats.RxOctetsOK);
651 rmon_update(mac, REG_RX_BAD_BYTES(port),
652 &mac->stats.RxOctetsBad);
653 rmon_update(mac, REG_TX_OK_BYTES(port),
654 &mac->stats.TxOctetsOK);
655 mac->instance->ticks++;
656 }
657 return &mac->stats;
658}
659
660static void mac_destroy(struct cmac *mac)
661{
662 kfree(mac);
663}
664
665static struct cmac_ops vsc7326_ops = {
666 .destroy = mac_destroy,
667 .reset = mac_reset,
668 .interrupt_handler = mac_intr_handler,
669 .interrupt_enable = mac_intr_enable,
670 .interrupt_disable = mac_intr_disable,
671 .interrupt_clear = mac_intr_clear,
672 .enable = mac_enable,
673 .disable = mac_disable,
674 .set_mtu = mac_set_mtu,
675 .set_rx_mode = mac_set_rx_mode,
676 .set_speed_duplex_fc = mac_set_speed_duplex_fc,
677 .statistics_update = mac_update_statistics,
678 .macaddress_get = mac_get_address,
679 .macaddress_set = mac_set_address,
680};
681
682static struct cmac *vsc7326_mac_create(adapter_t *adapter, int index)
683{
684 struct cmac *mac;
685 u32 val;
686 int i;
687
688 mac = kzalloc(sizeof(*mac) + sizeof(cmac_instance), GFP_KERNEL);
689 if (!mac) return NULL;
690
691 mac->ops = &vsc7326_ops;
692 mac->instance = (cmac_instance *)(mac + 1);
693 mac->adapter = adapter;
694
695 mac->instance->index = index;
696 mac->instance->ticks = 0;
697
698 i = 0;
699 do {
700 u32 vhi, vlo;
701
702 vhi = vlo = 0;
703 t1_tpi_read(adapter, (REG_LOCAL_STATUS << 2) + 4, &vlo);
704 udelay(1);
705 t1_tpi_read(adapter, REG_LOCAL_STATUS << 2, &vhi);
706 udelay(5);
707 val = (vhi << 16) | vlo;
708 } while ((++i < 10000) && (val == 0xffffffff));
709
710 return mac;
711}
712
713static int vsc7326_mac_reset(adapter_t *adapter)
714{
715 vsc7326_full_reset(adapter);
716 (void) run_bist_all(adapter);
717 run_table(adapter, vsc7326_reset, ARRAY_SIZE(vsc7326_reset));
718 return 0;
719}
720
721struct gmac t1_vsc7326_ops = {
722 .stats_update_period = STATS_TICK_SECS,
723 .create = vsc7326_mac_create,
724 .reset = vsc7326_mac_reset,
725};
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-14 16:47:50 -0500