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 pr_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 /* pr_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 /* pr_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 pr_err("sleep %d us\n",ib[i].data); 229 } else 230 vsc_write( adapter, ib[i].addr, ib[i].data ); 231 } 232} 233 234static int bist_rd(adapter_t *adapter, int moduleid, int address) 235{ 236 int data = 0; 237 u32 result = 0; 238 239 if ((address != 0x0) && 240 (address != 0x1) && 241 (address != 0x2) && 242 (address != 0xd) && 243 (address != 0xe)) 244 pr_err("No bist address: 0x%x\n", address); 245 246 data = ((0x00 << 24) | ((address & 0xff) << 16) | (0x00 << 8) | 247 ((moduleid & 0xff) << 0)); 248 vsc_write(adapter, REG_RAM_BIST_CMD, data); 249 250 udelay(10); 251 252 vsc_read(adapter, REG_RAM_BIST_RESULT, &result); 253 if ((result & (1 << 9)) != 0x0) 254 pr_err("Still in bist read: 0x%x\n", result); 255 else if ((result & (1 << 8)) != 0x0) 256 pr_err("bist read error: 0x%x\n", result); 257 258 return result & 0xff; 259} 260 261static int bist_wr(adapter_t *adapter, int moduleid, int address, int value) 262{ 263 int data = 0; 264 u32 result = 0; 265 266 if ((address != 0x0) && 267 (address != 0x1) && 268 (address != 0x2) && 269 (address != 0xd) && 270 (address != 0xe)) 271 pr_err("No bist address: 0x%x\n", address); 272 273 if (value > 255) 274 pr_err("Suspicious write out of range value: 0x%x\n", value); 275 276 data = ((0x01 << 24) | ((address & 0xff) << 16) | (value << 8) | 277 ((moduleid & 0xff) << 0)); 278 vsc_write(adapter, REG_RAM_BIST_CMD, data); 279 280 udelay(5); 281 282 vsc_read(adapter, REG_RAM_BIST_CMD, &result); 283 if ((result & (1 << 27)) != 0x0) 284 pr_err("Still in bist write: 0x%x\n", result); 285 else if ((result & (1 << 26)) != 0x0) 286 pr_err("bist write error: 0x%x\n", result); 287 288 return 0; 289} 290 291static int run_bist(adapter_t *adapter, int moduleid) 292{ 293 /*run bist*/ 294 (void) bist_wr(adapter,moduleid, 0x00, 0x02); 295 (void) bist_wr(adapter,moduleid, 0x01, 0x01); 296 297 return 0; 298} 299 300static int check_bist(adapter_t *adapter, int moduleid) 301{ 302 int result=0; 303 int column=0; 304 /*check bist*/ 305 result = bist_rd(adapter,moduleid, 0x02); 306 column = ((bist_rd(adapter,moduleid, 0x0e)<<8) + 307 (bist_rd(adapter,moduleid, 0x0d))); 308 if ((result & 3) != 0x3) 309 pr_err("Result: 0x%x BIST error in ram %d, column: 0x%04x\n", 310 result, moduleid, column); 311 return 0; 312} 313 314static int enable_mem(adapter_t *adapter, int moduleid) 315{ 316 /*enable mem*/ 317 (void) bist_wr(adapter,moduleid, 0x00, 0x00); 318 return 0; 319} 320 321static int run_bist_all(adapter_t *adapter) 322{ 323 int port = 0; 324 u32 val = 0; 325 326 vsc_write(adapter, REG_MEM_BIST, 0x5); 327 vsc_read(adapter, REG_MEM_BIST, &val); 328 329 for (port = 0; port < 12; port++) 330 vsc_write(adapter, REG_DEV_SETUP(port), 0x0); 331 332 udelay(300); 333 vsc_write(adapter, REG_SPI4_MISC, 0x00040409); 334 udelay(300); 335 336 (void) run_bist(adapter,13); 337 (void) run_bist(adapter,14); 338 (void) run_bist(adapter,20); 339 (void) run_bist(adapter,21); 340 mdelay(200); 341 (void) check_bist(adapter,13); 342 (void) check_bist(adapter,14); 343 (void) check_bist(adapter,20); 344 (void) check_bist(adapter,21); 345 udelay(100); 346 (void) enable_mem(adapter,13); 347 (void) enable_mem(adapter,14); 348 (void) enable_mem(adapter,20); 349 (void) enable_mem(adapter,21); 350 udelay(300); 351 vsc_write(adapter, REG_SPI4_MISC, 0x60040400); 352 udelay(300); 353 for (port = 0; port < 12; port++) 354 vsc_write(adapter, REG_DEV_SETUP(port), 0x1); 355 356 udelay(300); 357 vsc_write(adapter, REG_MEM_BIST, 0x0); 358 mdelay(10); 359 return 0; 360} 361 362static int mac_intr_handler(struct cmac *mac) 363{ 364 return 0; 365} 366 367static int mac_intr_enable(struct cmac *mac) 368{ 369 return 0; 370} 371 372static int mac_intr_disable(struct cmac *mac) 373{ 374 return 0; 375} 376 377static int mac_intr_clear(struct cmac *mac) 378{ 379 return 0; 380} 381 382/* Expect MAC address to be in network byte order. */ 383static int mac_set_address(struct cmac* mac, u8 addr[6]) 384{ 385 u32 val; 386 int port = mac->instance->index; 387 388 vsc_write(mac->adapter, REG_MAC_LOW_ADDR(port), 389 (addr[3] << 16) | (addr[4] << 8) | addr[5]); 390 vsc_write(mac->adapter, REG_MAC_HIGH_ADDR(port), 391 (addr[0] << 16) | (addr[1] << 8) | addr[2]); 392 393 vsc_read(mac->adapter, REG_ING_FFILT_UM_EN, &val); 394 val &= ~0xf0000000; 395 vsc_write(mac->adapter, REG_ING_FFILT_UM_EN, val | (port << 28)); 396 397 vsc_write(mac->adapter, REG_ING_FFILT_MASK0, 398 0xffff0000 | (addr[4] << 8) | addr[5]); 399 vsc_write(mac->adapter, REG_ING_FFILT_MASK1, 400 0xffff0000 | (addr[2] << 8) | addr[3]); 401 vsc_write(mac->adapter, REG_ING_FFILT_MASK2, 402 0xffff0000 | (addr[0] << 8) | addr[1]); 403 return 0; 404} 405 406static int mac_get_address(struct cmac *mac, u8 addr[6]) 407{ 408 u32 addr_lo, addr_hi; 409 int port = mac->instance->index; 410 411 vsc_read(mac->adapter, REG_MAC_LOW_ADDR(port), &addr_lo); 412 vsc_read(mac->adapter, REG_MAC_HIGH_ADDR(port), &addr_hi); 413 414 addr[0] = (u8) (addr_hi >> 16); 415 addr[1] = (u8) (addr_hi >> 8); 416 addr[2] = (u8) addr_hi; 417 addr[3] = (u8) (addr_lo >> 16); 418 addr[4] = (u8) (addr_lo >> 8); 419 addr[5] = (u8) addr_lo; 420 return 0; 421} 422 423/* This is intended to reset a port, not the whole MAC */ 424static int mac_reset(struct cmac *mac) 425{ 426 int index = mac->instance->index; 427 428 run_table(mac->adapter, vsc7326_portinit[index], 429 ARRAY_SIZE(vsc7326_portinit[index])); 430 431 return 0; 432} 433 434static int mac_set_rx_mode(struct cmac *mac, struct t1_rx_mode *rm) 435{ 436 u32 v; 437 int port = mac->instance->index; 438 439 vsc_read(mac->adapter, REG_ING_FFILT_UM_EN, &v); 440 v |= 1 << 12; 441 442 if (t1_rx_mode_promisc(rm)) 443 v &= ~(1 << (port + 16)); 444 else 445 v |= 1 << (port + 16); 446 447 vsc_write(mac->adapter, REG_ING_FFILT_UM_EN, v); 448 return 0; 449} 450 451static int mac_set_mtu(struct cmac *mac, int mtu) 452{ 453 int port = mac->instance->index; 454 455 if (mtu > MAX_MTU) 456 return -EINVAL; 457 458 /* max_len includes header and FCS */ 459 vsc_write(mac->adapter, REG_MAX_LEN(port), mtu + 14 + 4); 460 return 0; 461} 462 463static int mac_set_speed_duplex_fc(struct cmac *mac, int speed, int duplex, 464 int fc) 465{ 466 u32 v; 467 int enable, port = mac->instance->index; 468 469 if (speed >= 0 && speed != SPEED_10 && speed != SPEED_100 && 470 speed != SPEED_1000) 471 return -1; 472 if (duplex > 0 && duplex != DUPLEX_FULL) 473 return -1; 474 475 if (speed >= 0) { 476 vsc_read(mac->adapter, REG_MODE_CFG(port), &v); 477 enable = v & 3; /* save tx/rx enables */ 478 v &= ~0xf; 479 v |= 4; /* full duplex */ 480 if (speed == SPEED_1000) 481 v |= 8; /* GigE */ 482 enable |= v; 483 vsc_write(mac->adapter, REG_MODE_CFG(port), v); 484 485 if (speed == SPEED_1000) 486 v = 0x82; 487 else if (speed == SPEED_100) 488 v = 0x84; 489 else /* SPEED_10 */ 490 v = 0x86; 491 vsc_write(mac->adapter, REG_DEV_SETUP(port), v | 1); /* reset */ 492 vsc_write(mac->adapter, REG_DEV_SETUP(port), v); 493 vsc_read(mac->adapter, REG_DBG(port), &v); 494 v &= ~0xff00; 495 if (speed == SPEED_1000) 496 v |= 0x400; 497 else if (speed == SPEED_100) 498 v |= 0x2000; 499 else /* SPEED_10 */ 500 v |= 0xff00; 501 vsc_write(mac->adapter, REG_DBG(port), v); 502 503 vsc_write(mac->adapter, REG_TX_IFG(port), 504 speed == SPEED_1000 ? 5 : 0x11); 505 if (duplex == DUPLEX_HALF) 506 enable = 0x0; /* 100 or 10 */ 507 else if (speed == SPEED_1000) 508 enable = 0xc; 509 else /* SPEED_100 or 10 */ 510 enable = 0x4; 511 enable |= 0x9 << 10; /* IFG1 */ 512 enable |= 0x6 << 6; /* IFG2 */ 513 enable |= 0x1 << 4; /* VLAN */ 514 enable |= 0x3; /* RX/TX EN */ 515 vsc_write(mac->adapter, REG_MODE_CFG(port), enable); 516 517 } 518 519 vsc_read(mac->adapter, REG_PAUSE_CFG(port), &v); 520 v &= 0xfff0ffff; 521 v |= 0x20000; /* xon/xoff */ 522 if (fc & PAUSE_RX) 523 v |= 0x40000; 524 if (fc & PAUSE_TX) 525 v |= 0x80000; 526 if (fc == (PAUSE_RX | PAUSE_TX)) 527 v |= 0x10000; 528 vsc_write(mac->adapter, REG_PAUSE_CFG(port), v); 529 return 0; 530} 531 532static int mac_enable(struct cmac *mac, int which) 533{ 534 u32 val; 535 int port = mac->instance->index; 536 537 /* Write the correct WM value when the port is enabled. */ 538 vsc_write(mac->adapter, REG_HIGH_LOW_WM(1,port), WM_ENABLE); 539 540 vsc_read(mac->adapter, REG_MODE_CFG(port), &val); 541 if (which & MAC_DIRECTION_RX) 542 val |= 0x2; 543 if (which & MAC_DIRECTION_TX) 544 val |= 1; 545 vsc_write(mac->adapter, REG_MODE_CFG(port), val); 546 return 0; 547} 548 549static int mac_disable(struct cmac *mac, int which) 550{ 551 u32 val; 552 int i, port = mac->instance->index; 553 554 /* Reset the port, this also writes the correct WM value */ 555 mac_reset(mac); 556 557 vsc_read(mac->adapter, REG_MODE_CFG(port), &val); 558 if (which & MAC_DIRECTION_RX) 559 val &= ~0x2; 560 if (which & MAC_DIRECTION_TX) 561 val &= ~0x1; 562 vsc_write(mac->adapter, REG_MODE_CFG(port), val); 563 vsc_read(mac->adapter, REG_MODE_CFG(port), &val); 564 565 /* Clear stats */ 566 for (i = 0; i <= 0x3a; ++i) 567 vsc_write(mac->adapter, CRA(4, port, i), 0); 568 569 /* Clear software counters */ 570 memset(&mac->stats, 0, sizeof(struct cmac_statistics)); 571 572 return 0; 573} 574 575static void rmon_update(struct cmac *mac, unsigned int addr, u64 *stat) 576{ 577 u32 v, lo; 578 579 vsc_read(mac->adapter, addr, &v); 580 lo = *stat; 581 *stat = *stat - lo + v; 582 583 if (v == 0) 584 return; 585 586 if (v < lo) 587 *stat += (1ULL << 32); 588} 589 590static void port_stats_update(struct cmac *mac) 591{ 592 struct { 593 unsigned int reg; 594 unsigned int offset; 595 } hw_stats[] = { 596 597#define HW_STAT(reg, stat_name) \ 598 { reg, (&((struct cmac_statistics *)NULL)->stat_name) - (u64 *)NULL } 599 600 /* Rx stats */ 601 HW_STAT(RxUnicast, RxUnicastFramesOK), 602 HW_STAT(RxMulticast, RxMulticastFramesOK), 603 HW_STAT(RxBroadcast, RxBroadcastFramesOK), 604 HW_STAT(Crc, RxFCSErrors), 605 HW_STAT(RxAlignment, RxAlignErrors), 606 HW_STAT(RxOversize, RxFrameTooLongErrors), 607 HW_STAT(RxPause, RxPauseFrames), 608 HW_STAT(RxJabbers, RxJabberErrors), 609 HW_STAT(RxFragments, RxRuntErrors), 610 HW_STAT(RxUndersize, RxRuntErrors), 611 HW_STAT(RxSymbolCarrier, RxSymbolErrors), 612 HW_STAT(RxSize1519ToMax, RxJumboFramesOK), 613 614 /* Tx stats (skip collision stats as we are full-duplex only) */ 615 HW_STAT(TxUnicast, TxUnicastFramesOK), 616 HW_STAT(TxMulticast, TxMulticastFramesOK), 617 HW_STAT(TxBroadcast, TxBroadcastFramesOK), 618 HW_STAT(TxPause, TxPauseFrames), 619 HW_STAT(TxUnderrun, TxUnderrun), 620 HW_STAT(TxSize1519ToMax, TxJumboFramesOK), 621 }, *p = hw_stats; 622 unsigned int port = mac->instance->index; 623 u64 *stats = (u64 *)&mac->stats; 624 unsigned int i; 625 626 for (i = 0; i < ARRAY_SIZE(hw_stats); i++) 627 rmon_update(mac, CRA(0x4, port, p->reg), stats + p->offset); 628 629 rmon_update(mac, REG_TX_OK_BYTES(port), &mac->stats.TxOctetsOK); 630 rmon_update(mac, REG_RX_OK_BYTES(port), &mac->stats.RxOctetsOK); 631 rmon_update(mac, REG_RX_BAD_BYTES(port), &mac->stats.RxOctetsBad); 632} 633 634/* 635 * This function is called periodically to accumulate the current values of the 636 * RMON counters into the port statistics. Since the counters are only 32 bits 637 * some of them can overflow in less than a minute at GigE speeds, so this 638 * function should be called every 30 seconds or so. 639 * 640 * To cut down on reading costs we update only the octet counters at each tick 641 * and do a full update at major ticks, which can be every 30 minutes or more. 642 */ 643static const struct cmac_statistics *mac_update_statistics(struct cmac *mac, 644 int flag) 645{ 646 if (flag == MAC_STATS_UPDATE_FULL || 647 mac->instance->ticks >= MAJOR_UPDATE_TICKS) { 648 port_stats_update(mac); 649 mac->instance->ticks = 0; 650 } else { 651 int port = mac->instance->index; 652 653 rmon_update(mac, REG_RX_OK_BYTES(port), 654 &mac->stats.RxOctetsOK); 655 rmon_update(mac, REG_RX_BAD_BYTES(port), 656 &mac->stats.RxOctetsBad); 657 rmon_update(mac, REG_TX_OK_BYTES(port), 658 &mac->stats.TxOctetsOK); 659 mac->instance->ticks++; 660 } 661 return &mac->stats; 662} 663 664static void mac_destroy(struct cmac *mac) 665{ 666 kfree(mac); 667} 668 669static struct cmac_ops vsc7326_ops = { 670 .destroy = mac_destroy, 671 .reset = mac_reset, 672 .interrupt_handler = mac_intr_handler, 673 .interrupt_enable = mac_intr_enable, 674 .interrupt_disable = mac_intr_disable, 675 .interrupt_clear = mac_intr_clear, 676 .enable = mac_enable, 677 .disable = mac_disable, 678 .set_mtu = mac_set_mtu, 679 .set_rx_mode = mac_set_rx_mode, 680 .set_speed_duplex_fc = mac_set_speed_duplex_fc, 681 .statistics_update = mac_update_statistics, 682 .macaddress_get = mac_get_address, 683 .macaddress_set = mac_set_address, 684}; 685 686static struct cmac *vsc7326_mac_create(adapter_t *adapter, int index) 687{ 688 struct cmac *mac; 689 u32 val; 690 int i; 691 692 mac = kzalloc(sizeof(*mac) + sizeof(cmac_instance), GFP_KERNEL); 693 if (!mac) 694 return NULL; 695 696 mac->ops = &vsc7326_ops; 697 mac->instance = (cmac_instance *)(mac + 1); 698 mac->adapter = adapter; 699 700 mac->instance->index = index; 701 mac->instance->ticks = 0; 702 703 i = 0; 704 do { 705 u32 vhi, vlo; 706 707 vhi = vlo = 0; 708 t1_tpi_read(adapter, (REG_LOCAL_STATUS << 2) + 4, &vlo); 709 udelay(1); 710 t1_tpi_read(adapter, REG_LOCAL_STATUS << 2, &vhi); 711 udelay(5); 712 val = (vhi << 16) | vlo; 713 } while ((++i < 10000) && (val == 0xffffffff)); 714 715 return mac; 716} 717 718static int vsc7326_mac_reset(adapter_t *adapter) 719{ 720 vsc7326_full_reset(adapter); 721 (void) run_bist_all(adapter); 722 run_table(adapter, vsc7326_reset, ARRAY_SIZE(vsc7326_reset)); 723 return 0; 724} 725 726const struct gmac t1_vsc7326_ops = { 727 .stats_update_period = STATS_TICK_SECS, 728 .create = vsc7326_mac_create, 729 .reset = vsc7326_mac_reset, 730}; 731