1 /* $Date: 2006/04/28 19:20:06 $ $RCSfile: vsc7326.c,v $ $Revision: 1.19 $ */
 
   3 /* Driver for Vitesse VSC7326 (Schaumburg) MAC */
 
   7 #include "vsc7326_reg.h"
 
   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)
 
  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.
 
  21 #define WM_DISABLE      0x01a01fff
 
  22 #define WM_ENABLE       0x014a03F0
 
  29 struct _cmac_instance {
 
  34 #define INITBLOCK_SLEEP 0xffffffff
 
  36 static void vsc_read(adapter_t *adapter, u32 addr, u32 *val)
 
  41         spin_lock_bh(&adapter->mac_lock);
 
  42         t1_tpi_read(adapter, (addr << 2) + 4, &vlo);
 
  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;
 
  49         } while (((status & 1) == 0) && (i < 50));
 
  51                 CH_ERR("Invalid tpi read from MAC, breaking loop.\n");
 
  53         t1_tpi_read(adapter, (REG_LOCAL_DATA << 2) + 4, &vlo);
 
  54         t1_tpi_read(adapter, REG_LOCAL_DATA << 2, &vhi);
 
  56         *val = (vhi << 16) | vlo;
 
  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);
 
  64 static void vsc_write(adapter_t *adapter, u32 addr, u32 data)
 
  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);
 
  75 /* Hard reset the MAC.  This wipes out *all* configuration. */
 
  76 static void vsc7326_full_reset(adapter_t* adapter)
 
  81         t1_tpi_read(adapter, A_ELMER0_GPO, &val);
 
  83         t1_tpi_write(adapter, A_ELMER0_GPO, val);
 
  85         val |= 0x1;     /* Enable mac MAC itself */
 
  86         val |= 0x800;   /* Turn off the red LED */
 
  87         t1_tpi_write(adapter, A_ELMER0_GPO, val);
 
  89         vsc_write(adapter, REG_SW_RESET, 0x80000001);
 
  92                 vsc_read(adapter, REG_SW_RESET, &result);
 
  93         } while (result != 0x0);
 
  96 static 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 },
 
 114 static struct init_table vsc7326_portinit[4][22] = {
 
 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 },
 
 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 },
 
 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 },
 
 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 },
 
 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 },
 
 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 },
 
 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 },
 
 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 },
 
 221 static void run_table(adapter_t *adapter, struct init_table *ib, int len)
 
 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);
 
 230                         vsc_write( adapter, ib[i].addr, ib[i].data );
 
 234 static int bist_rd(adapter_t *adapter, int moduleid, int address)
 
 239         if ((address != 0x0) &&
 
 244                         CH_ERR("No bist address: 0x%x\n", address);
 
 246         data = ((0x00 << 24) | ((address & 0xff) << 16) | (0x00 << 8) |
 
 247                 ((moduleid & 0xff) << 0));
 
 248         vsc_write(adapter, REG_RAM_BIST_CMD, data);
 
 252         vsc_read(adapter, REG_RAM_BIST_RESULT, &result);
 
 253         if ((result & (1 << 9)) != 0x0)
 
 254                 CH_ERR("Still in bist read: 0x%x\n", result);
 
 255         else if ((result & (1 << 8)) != 0x0)
 
 256                 CH_ERR("bist read error: 0x%x\n", result);
 
 258         return (result & 0xff);
 
 261 static int bist_wr(adapter_t *adapter, int moduleid, int address, int value)
 
 266         if ((address != 0x0) &&
 
 271                         CH_ERR("No bist address: 0x%x\n", address);
 
 274                 CH_ERR("Suspicious write out of range value: 0x%x\n", value);
 
 276         data = ((0x01 << 24) | ((address & 0xff) << 16) | (value << 8) |
 
 277                 ((moduleid & 0xff) << 0));
 
 278         vsc_write(adapter, REG_RAM_BIST_CMD, data);
 
 282         vsc_read(adapter, REG_RAM_BIST_CMD, &result);
 
 283         if ((result & (1 << 27)) != 0x0)
 
 284                 CH_ERR("Still in bist write: 0x%x\n", result);
 
 285         else if ((result & (1 << 26)) != 0x0)
 
 286                 CH_ERR("bist write error: 0x%x\n", result);
 
 291 static int run_bist(adapter_t *adapter, int moduleid)
 
 294         (void) bist_wr(adapter,moduleid, 0x00, 0x02);
 
 295         (void) bist_wr(adapter,moduleid, 0x01, 0x01);
 
 300 static int check_bist(adapter_t *adapter, int moduleid)
 
 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                 CH_ERR("Result: 0x%x  BIST error in ram %d, column: 0x%04x\n",
 
 310                         result, moduleid, column);
 
 314 static int enable_mem(adapter_t *adapter, int moduleid)
 
 317         (void) bist_wr(adapter,moduleid, 0x00, 0x00);
 
 321 static int run_bist_all(adapter_t *adapter)
 
 326         vsc_write(adapter, REG_MEM_BIST, 0x5);
 
 327         vsc_read(adapter, REG_MEM_BIST, &val);
 
 329         for (port = 0; port < 12; port++)
 
 330                 vsc_write(adapter, REG_DEV_SETUP(port), 0x0);
 
 333         vsc_write(adapter, REG_SPI4_MISC, 0x00040409);
 
 336         (void) run_bist(adapter,13);
 
 337         (void) run_bist(adapter,14);
 
 338         (void) run_bist(adapter,20);
 
 339         (void) run_bist(adapter,21);
 
 341         (void) check_bist(adapter,13);
 
 342         (void) check_bist(adapter,14);
 
 343         (void) check_bist(adapter,20);
 
 344         (void) check_bist(adapter,21);
 
 346         (void) enable_mem(adapter,13);
 
 347         (void) enable_mem(adapter,14);
 
 348         (void) enable_mem(adapter,20);
 
 349         (void) enable_mem(adapter,21);
 
 351         vsc_write(adapter, REG_SPI4_MISC, 0x60040400);
 
 353         for (port = 0; port < 12; port++)
 
 354                 vsc_write(adapter, REG_DEV_SETUP(port), 0x1);
 
 357         vsc_write(adapter, REG_MEM_BIST, 0x0);
 
 362 static int mac_intr_handler(struct cmac *mac)
 
 367 static int mac_intr_enable(struct cmac *mac)
 
 372 static int mac_intr_disable(struct cmac *mac)
 
 377 static int mac_intr_clear(struct cmac *mac)
 
 382 /* Expect MAC address to be in network byte order. */
 
 383 static int mac_set_address(struct cmac* mac, u8 addr[6])
 
 386         int port = mac->instance->index;
 
 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]);
 
 393         vsc_read(mac->adapter, REG_ING_FFILT_UM_EN, &val);
 
 395         vsc_write(mac->adapter, REG_ING_FFILT_UM_EN, val | (port << 28));
 
 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]);
 
 406 static int mac_get_address(struct cmac *mac, u8 addr[6])
 
 408         u32 addr_lo, addr_hi;
 
 409         int port = mac->instance->index;
 
 411         vsc_read(mac->adapter, REG_MAC_LOW_ADDR(port), &addr_lo);
 
 412         vsc_read(mac->adapter, REG_MAC_HIGH_ADDR(port), &addr_hi);
 
 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;
 
 423 /* This is intended to reset a port, not the whole MAC */
 
 424 static int mac_reset(struct cmac *mac)
 
 426         int index = mac->instance->index;
 
 428         run_table(mac->adapter, vsc7326_portinit[index],
 
 429                   ARRAY_SIZE(vsc7326_portinit[index]));
 
 434 static int mac_set_rx_mode(struct cmac *mac, struct t1_rx_mode *rm)
 
 437         int port = mac->instance->index;
 
 439         vsc_read(mac->adapter, REG_ING_FFILT_UM_EN, &v);
 
 442         if (t1_rx_mode_promisc(rm))
 
 443                 v &= ~(1 << (port + 16));
 
 445                 v |= 1 << (port + 16);
 
 447         vsc_write(mac->adapter, REG_ING_FFILT_UM_EN, v);
 
 451 static int mac_set_mtu(struct cmac *mac, int mtu)
 
 453         int port = mac->instance->index;
 
 458         /* max_len includes header and FCS */
 
 459         vsc_write(mac->adapter, REG_MAX_LEN(port), mtu + 14 + 4);
 
 463 static int mac_set_speed_duplex_fc(struct cmac *mac, int speed, int duplex,
 
 467         int enable, port = mac->instance->index;
 
 469         if (speed >= 0 && speed != SPEED_10 && speed != SPEED_100 &&
 
 472         if (duplex > 0 && duplex != DUPLEX_FULL)
 
 476                 vsc_read(mac->adapter, REG_MODE_CFG(port), &v);
 
 477                 enable = v & 3;             /* save tx/rx enables */
 
 479                 v |= 4;                     /* full duplex */
 
 480                 if (speed == SPEED_1000)
 
 483                 vsc_write(mac->adapter, REG_MODE_CFG(port), v);
 
 485                 if (speed == SPEED_1000)
 
 487                 else if (speed == SPEED_100)
 
 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);
 
 495                 if (speed == SPEED_1000)
 
 497                 else if (speed == SPEED_100)
 
 501                 vsc_write(mac->adapter, REG_DBG(port), v);
 
 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)
 
 509                 else    /* SPEED_100 or 10 */
 
 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);
 
 519         vsc_read(mac->adapter, REG_PAUSE_CFG(port), &v);
 
 521         v |= 0x20000;      /* xon/xoff */
 
 526         if (fc == (PAUSE_RX | PAUSE_TX))
 
 528         vsc_write(mac->adapter, REG_PAUSE_CFG(port), v);
 
 532 static int mac_enable(struct cmac *mac, int which)
 
 535         int port = mac->instance->index;
 
 537         /* Write the correct WM value when the port is enabled. */
 
 538         vsc_write(mac->adapter, REG_HIGH_LOW_WM(1,port), WM_ENABLE);
 
 540         vsc_read(mac->adapter, REG_MODE_CFG(port), &val);
 
 541         if (which & MAC_DIRECTION_RX)
 
 543         if (which & MAC_DIRECTION_TX)
 
 545         vsc_write(mac->adapter, REG_MODE_CFG(port), val);
 
 549 static int mac_disable(struct cmac *mac, int which)
 
 552         int i, port = mac->instance->index;
 
 554         /* Reset the port, this also writes the correct WM value */
 
 557         vsc_read(mac->adapter, REG_MODE_CFG(port), &val);
 
 558         if (which & MAC_DIRECTION_RX)
 
 560         if (which & MAC_DIRECTION_TX)
 
 562         vsc_write(mac->adapter, REG_MODE_CFG(port), val);
 
 563         vsc_read(mac->adapter, REG_MODE_CFG(port), &val);
 
 566         for (i = 0; i <= 0x3a; ++i)
 
 567                 vsc_write(mac->adapter, CRA(4, port, i), 0);
 
 569         /* Clear sofware counters */
 
 570         memset(&mac->stats, 0, sizeof(struct cmac_statistics));
 
 575 static void rmon_update(struct cmac *mac, unsigned int addr, u64 *stat)
 
 579         vsc_read(mac->adapter, addr, &v);
 
 581         *stat = *stat - lo + v;
 
 587                 *stat += (1ULL << 32);
 
 590 static void port_stats_update(struct cmac *mac)
 
 597 #define HW_STAT(reg, stat_name) \
 
 598         { reg, (&((struct cmac_statistics *)NULL)->stat_name) - (u64 *)NULL }
 
 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),
 
 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),
 
 622         unsigned int port = mac->instance->index;
 
 623         u64 *stats = (u64 *)&mac->stats;
 
 626         for (i = 0; i < ARRAY_SIZE(hw_stats); i++)
 
 627                 rmon_update(mac, CRA(0x4, port, p->reg), stats + p->offset);
 
 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);
 
 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.
 
 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.
 
 643 static const struct cmac_statistics *mac_update_statistics(struct cmac *mac,
 
 646         if (flag == MAC_STATS_UPDATE_FULL ||
 
 647             mac->instance->ticks >= MAJOR_UPDATE_TICKS) {
 
 648                 port_stats_update(mac);
 
 649                 mac->instance->ticks = 0;
 
 651                 int port = mac->instance->index;
 
 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++;
 
 664 static void mac_destroy(struct cmac *mac)
 
 669 static struct cmac_ops vsc7326_ops = {
 
 670         .destroy                  = mac_destroy,
 
 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,
 
 686 static struct cmac *vsc7326_mac_create(adapter_t *adapter, int index)
 
 692         mac = kzalloc(sizeof(*mac) + sizeof(cmac_instance), GFP_KERNEL);
 
 696         mac->ops = &vsc7326_ops;
 
 697         mac->instance = (cmac_instance *)(mac + 1);
 
 698         mac->adapter  = adapter;
 
 700         mac->instance->index = index;
 
 701         mac->instance->ticks = 0;
 
 708                 t1_tpi_read(adapter, (REG_LOCAL_STATUS << 2) + 4, &vlo);
 
 710                 t1_tpi_read(adapter, REG_LOCAL_STATUS << 2, &vhi);
 
 712                 val = (vhi << 16) | vlo;
 
 713         } while ((++i < 10000) && (val == 0xffffffff));
 
 718 static int vsc7326_mac_reset(adapter_t *adapter)
 
 720         vsc7326_full_reset(adapter);
 
 721         (void) run_bist_all(adapter);
 
 722         run_table(adapter, vsc7326_reset, ARRAY_SIZE(vsc7326_reset));
 
 726 const struct gmac t1_vsc7326_ops = {
 
 727         .stats_update_period = STATS_TICK_SECS,
 
 728         .create              = vsc7326_mac_create,
 
 729         .reset               = vsc7326_mac_reset,