drivers/net/qlcnic/qlcnic_hw.c

   1 /*
   2  * Copyright (C) 2009 - QLogic Corporation.
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  18  * MA  02111-1307, USA.
  19  *
  20  * The full GNU General Public License is included in this distribution
  21  * in the file called "COPYING".
  22  *
  23  */
  24
  25 #include "qlcnic.h"
  26
  27 #include <net/ip.h>
  28
  29 #define MASK(n) ((1ULL<<(n))-1)
  30 #define OCM_WIN_P3P(addr) (addr & 0xffc0000)
  31
  32 #define GET_MEM_OFFS_2M(addr) (addr & MASK(18))
  33
  34 #define CRB_BLK(off)    ((off >> 20) & 0x3f)
  35 #define CRB_SUBBLK(off) ((off >> 16) & 0xf)
  36 #define CRB_WINDOW_2M   (0x130060)
  37 #define CRB_HI(off)     ((crb_hub_agt[CRB_BLK(off)] << 20) | ((off) & 0xf0000))
  38 #define CRB_INDIRECT_2M (0x1e0000UL)
  39
  40
  41 #ifndef readq
  42 static inline u64 readq(void __iomem *addr)
  43 {
  44         return readl(addr) | (((u64) readl(addr + 4)) << 32LL);
  45 }
  46 #endif
  47
  48 #ifndef writeq
  49 static inline void writeq(u64 val, void __iomem *addr)
  50 {
  51         writel(((u32) (val)), (addr));
  52         writel(((u32) (val >> 32)), (addr + 4));
  53 }
  54 #endif
  55
  56 #define ADDR_IN_RANGE(addr, low, high)  \
  57         (((addr) < (high)) && ((addr) >= (low)))
  58
  59 #define PCI_OFFSET_FIRST_RANGE(adapter, off)    \
  60         ((adapter)->ahw.pci_base0 + (off))
  61
  62 static void __iomem *pci_base_offset(struct qlcnic_adapter *adapter,
  63                                             unsigned long off)
  64 {
  65         if (ADDR_IN_RANGE(off, FIRST_PAGE_GROUP_START, FIRST_PAGE_GROUP_END))
  66                 return PCI_OFFSET_FIRST_RANGE(adapter, off);
  67
  68         return NULL;
  69 }
  70
  71 static const struct crb_128M_2M_block_map
  72 crb_128M_2M_map[64] __cacheline_aligned_in_smp = {
  73     {{{0, 0,         0,         0} } },         /* 0: PCI */
  74     {{{1, 0x0100000, 0x0102000, 0x120000},      /* 1: PCIE */
  75           {1, 0x0110000, 0x0120000, 0x130000},
  76           {1, 0x0120000, 0x0122000, 0x124000},
  77           {1, 0x0130000, 0x0132000, 0x126000},
  78           {1, 0x0140000, 0x0142000, 0x128000},
  79           {1, 0x0150000, 0x0152000, 0x12a000},
  80           {1, 0x0160000, 0x0170000, 0x110000},
  81           {1, 0x0170000, 0x0172000, 0x12e000},
  82           {0, 0x0000000, 0x0000000, 0x000000},
  83           {0, 0x0000000, 0x0000000, 0x000000},
  84           {0, 0x0000000, 0x0000000, 0x000000},
  85           {0, 0x0000000, 0x0000000, 0x000000},
  86           {0, 0x0000000, 0x0000000, 0x000000},
  87           {0, 0x0000000, 0x0000000, 0x000000},
  88           {1, 0x01e0000, 0x01e0800, 0x122000},
  89           {0, 0x0000000, 0x0000000, 0x000000} } },
  90         {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */
  91     {{{0, 0,         0,         0} } },     /* 3: */
  92     {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */
  93     {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE   */
  94     {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU   */
  95     {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM    */
  96     {{{1, 0x0800000, 0x0802000, 0x170000},  /* 8: SQM0  */
  97       {0, 0x0000000, 0x0000000, 0x000000},
  98       {0, 0x0000000, 0x0000000, 0x000000},
  99       {0, 0x0000000, 0x0000000, 0x000000},
 100       {0, 0x0000000, 0x0000000, 0x000000},
 101       {0, 0x0000000, 0x0000000, 0x000000},
 102       {0, 0x0000000, 0x0000000, 0x000000},
 103       {0, 0x0000000, 0x0000000, 0x000000},
 104       {0, 0x0000000, 0x0000000, 0x000000},
 105       {0, 0x0000000, 0x0000000, 0x000000},
 106       {0, 0x0000000, 0x0000000, 0x000000},
 107       {0, 0x0000000, 0x0000000, 0x000000},
 108       {0, 0x0000000, 0x0000000, 0x000000},
 109       {0, 0x0000000, 0x0000000, 0x000000},
 110       {0, 0x0000000, 0x0000000, 0x000000},
 111       {1, 0x08f0000, 0x08f2000, 0x172000} } },
 112     {{{1, 0x0900000, 0x0902000, 0x174000},      /* 9: SQM1*/
 113       {0, 0x0000000, 0x0000000, 0x000000},
 114       {0, 0x0000000, 0x0000000, 0x000000},
 115       {0, 0x0000000, 0x0000000, 0x000000},
 116       {0, 0x0000000, 0x0000000, 0x000000},
 117       {0, 0x0000000, 0x0000000, 0x000000},
 118       {0, 0x0000000, 0x0000000, 0x000000},
 119       {0, 0x0000000, 0x0000000, 0x000000},
 120       {0, 0x0000000, 0x0000000, 0x000000},
 121       {0, 0x0000000, 0x0000000, 0x000000},
 122       {0, 0x0000000, 0x0000000, 0x000000},
 123       {0, 0x0000000, 0x0000000, 0x000000},
 124       {0, 0x0000000, 0x0000000, 0x000000},
 125       {0, 0x0000000, 0x0000000, 0x000000},
 126       {0, 0x0000000, 0x0000000, 0x000000},
 127       {1, 0x09f0000, 0x09f2000, 0x176000} } },
 128     {{{0, 0x0a00000, 0x0a02000, 0x178000},      /* 10: SQM2*/
 129       {0, 0x0000000, 0x0000000, 0x000000},
 130       {0, 0x0000000, 0x0000000, 0x000000},
 131       {0, 0x0000000, 0x0000000, 0x000000},
 132       {0, 0x0000000, 0x0000000, 0x000000},
 133       {0, 0x0000000, 0x0000000, 0x000000},
 134       {0, 0x0000000, 0x0000000, 0x000000},
 135       {0, 0x0000000, 0x0000000, 0x000000},
 136       {0, 0x0000000, 0x0000000, 0x000000},
 137       {0, 0x0000000, 0x0000000, 0x000000},
 138       {0, 0x0000000, 0x0000000, 0x000000},
 139       {0, 0x0000000, 0x0000000, 0x000000},
 140       {0, 0x0000000, 0x0000000, 0x000000},
 141       {0, 0x0000000, 0x0000000, 0x000000},
 142       {0, 0x0000000, 0x0000000, 0x000000},
 143       {1, 0x0af0000, 0x0af2000, 0x17a000} } },
 144     {{{0, 0x0b00000, 0x0b02000, 0x17c000},      /* 11: SQM3*/
 145       {0, 0x0000000, 0x0000000, 0x000000},
 146       {0, 0x0000000, 0x0000000, 0x000000},
 147       {0, 0x0000000, 0x0000000, 0x000000},
 148       {0, 0x0000000, 0x0000000, 0x000000},
 149       {0, 0x0000000, 0x0000000, 0x000000},
 150       {0, 0x0000000, 0x0000000, 0x000000},
 151       {0, 0x0000000, 0x0000000, 0x000000},
 152       {0, 0x0000000, 0x0000000, 0x000000},
 153       {0, 0x0000000, 0x0000000, 0x000000},
 154       {0, 0x0000000, 0x0000000, 0x000000},
 155       {0, 0x0000000, 0x0000000, 0x000000},
 156       {0, 0x0000000, 0x0000000, 0x000000},
 157       {0, 0x0000000, 0x0000000, 0x000000},
 158       {0, 0x0000000, 0x0000000, 0x000000},
 159       {1, 0x0bf0000, 0x0bf2000, 0x17e000} } },
 160         {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */
 161         {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */
 162         {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */
 163         {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */
 164         {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */
 165         {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */
 166         {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */
 167         {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */
 168         {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */
 169         {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */
 170         {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */
 171         {{{0, 0,         0,         0} } },     /* 23: */
 172         {{{0, 0,         0,         0} } },     /* 24: */
 173         {{{0, 0,         0,         0} } },     /* 25: */
 174         {{{0, 0,         0,         0} } },     /* 26: */
 175         {{{0, 0,         0,         0} } },     /* 27: */
 176         {{{0, 0,         0,         0} } },     /* 28: */
 177         {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */
 178     {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */
 179     {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */
 180         {{{0} } },                              /* 32: PCI */
 181         {{{1, 0x2100000, 0x2102000, 0x120000},  /* 33: PCIE */
 182           {1, 0x2110000, 0x2120000, 0x130000},
 183           {1, 0x2120000, 0x2122000, 0x124000},
 184           {1, 0x2130000, 0x2132000, 0x126000},
 185           {1, 0x2140000, 0x2142000, 0x128000},
 186           {1, 0x2150000, 0x2152000, 0x12a000},
 187           {1, 0x2160000, 0x2170000, 0x110000},
 188           {1, 0x2170000, 0x2172000, 0x12e000},
 189           {0, 0x0000000, 0x0000000, 0x000000},
 190           {0, 0x0000000, 0x0000000, 0x000000},
 191           {0, 0x0000000, 0x0000000, 0x000000},
 192           {0, 0x0000000, 0x0000000, 0x000000},
 193           {0, 0x0000000, 0x0000000, 0x000000},
 194           {0, 0x0000000, 0x0000000, 0x000000},
 195           {0, 0x0000000, 0x0000000, 0x000000},
 196           {0, 0x0000000, 0x0000000, 0x000000} } },
 197         {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */
 198         {{{0} } },                              /* 35: */
 199         {{{0} } },                              /* 36: */
 200         {{{0} } },                              /* 37: */
 201         {{{0} } },                              /* 38: */
 202         {{{0} } },                              /* 39: */
 203         {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */
 204         {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */
 205         {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */
 206         {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */
 207         {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */
 208         {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */
 209         {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */
 210         {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */
 211         {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */
 212         {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */
 213         {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */
 214         {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */
 215         {{{0} } },                              /* 52: */
 216         {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */
 217         {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */
 218         {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */
 219         {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */
 220         {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */
 221         {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */
 222         {{{0} } },                              /* 59: I2C0 */
 223         {{{0} } },                              /* 60: I2C1 */
 224         {{{1, 0x3d00000, 0x3d04000, 0x1d8000} } },/* 61: LPC */
 225         {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */
 226         {{{1, 0x3f00000, 0x3f01000, 0x168000} } }       /* 63: P2NR0 */
 227 };
 228
 229 /*
 230  * top 12 bits of crb internal address (hub, agent)
 231  */
 232 static const unsigned crb_hub_agt[64] = {
 233         0,
 234         QLCNIC_HW_CRB_HUB_AGT_ADR_PS,
 235         QLCNIC_HW_CRB_HUB_AGT_ADR_MN,
 236         QLCNIC_HW_CRB_HUB_AGT_ADR_MS,
 237         0,
 238         QLCNIC_HW_CRB_HUB_AGT_ADR_SRE,
 239         QLCNIC_HW_CRB_HUB_AGT_ADR_NIU,
 240         QLCNIC_HW_CRB_HUB_AGT_ADR_QMN,
 241         QLCNIC_HW_CRB_HUB_AGT_ADR_SQN0,
 242         QLCNIC_HW_CRB_HUB_AGT_ADR_SQN1,
 243         QLCNIC_HW_CRB_HUB_AGT_ADR_SQN2,
 244         QLCNIC_HW_CRB_HUB_AGT_ADR_SQN3,
 245         QLCNIC_HW_CRB_HUB_AGT_ADR_I2Q,
 246         QLCNIC_HW_CRB_HUB_AGT_ADR_TIMR,
 247         QLCNIC_HW_CRB_HUB_AGT_ADR_ROMUSB,
 248         QLCNIC_HW_CRB_HUB_AGT_ADR_PGN4,
 249         QLCNIC_HW_CRB_HUB_AGT_ADR_XDMA,
 250         QLCNIC_HW_CRB_HUB_AGT_ADR_PGN0,
 251         QLCNIC_HW_CRB_HUB_AGT_ADR_PGN1,
 252         QLCNIC_HW_CRB_HUB_AGT_ADR_PGN2,
 253         QLCNIC_HW_CRB_HUB_AGT_ADR_PGN3,
 254         QLCNIC_HW_CRB_HUB_AGT_ADR_PGND,
 255         QLCNIC_HW_CRB_HUB_AGT_ADR_PGNI,
 256         QLCNIC_HW_CRB_HUB_AGT_ADR_PGS0,
 257         QLCNIC_HW_CRB_HUB_AGT_ADR_PGS1,
 258         QLCNIC_HW_CRB_HUB_AGT_ADR_PGS2,
 259         QLCNIC_HW_CRB_HUB_AGT_ADR_PGS3,
 260         0,
 261         QLCNIC_HW_CRB_HUB_AGT_ADR_PGSI,
 262         QLCNIC_HW_CRB_HUB_AGT_ADR_SN,
 263         0,
 264         QLCNIC_HW_CRB_HUB_AGT_ADR_EG,
 265         0,
 266         QLCNIC_HW_CRB_HUB_AGT_ADR_PS,
 267         QLCNIC_HW_CRB_HUB_AGT_ADR_CAM,
 268         0,
 269         0,
 270         0,
 271         0,
 272         0,
 273         QLCNIC_HW_CRB_HUB_AGT_ADR_TIMR,
 274         0,
 275         QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX1,
 276         QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX2,
 277         QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX3,
 278         QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX4,
 279         QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX5,
 280         QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX6,
 281         QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX7,
 282         QLCNIC_HW_CRB_HUB_AGT_ADR_XDMA,
 283         QLCNIC_HW_CRB_HUB_AGT_ADR_I2Q,
 284         QLCNIC_HW_CRB_HUB_AGT_ADR_ROMUSB,
 285         0,
 286         QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX0,
 287         QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX8,
 288         QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX9,
 289         QLCNIC_HW_CRB_HUB_AGT_ADR_OCM0,
 290         0,
 291         QLCNIC_HW_CRB_HUB_AGT_ADR_SMB,
 292         QLCNIC_HW_CRB_HUB_AGT_ADR_I2C0,
 293         QLCNIC_HW_CRB_HUB_AGT_ADR_I2C1,
 294         0,
 295         QLCNIC_HW_CRB_HUB_AGT_ADR_PGNC,
 296         0,
 297 };
 298
 299 /*  PCI Windowing for DDR regions.  */
 300
 301 #define QLCNIC_PCIE_SEM_TIMEOUT 10000
 302
 303 int
 304 qlcnic_pcie_sem_lock(struct qlcnic_adapter *adapter, int sem, u32 id_reg)
 305 {
 306         int done = 0, timeout = 0;
 307
 308         while (!done) {
 309                 done = QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_LOCK(sem)));
 310                 if (done == 1)
 311                         break;
 312                 if (++timeout >= QLCNIC_PCIE_SEM_TIMEOUT)
 313                         return -EIO;
 314                 msleep(1);
 315         }
 316
 317         if (id_reg)
 318                 QLCWR32(adapter, id_reg, adapter->portnum);
 319
 320         return 0;
 321 }
 322
 323 void
 324 qlcnic_pcie_sem_unlock(struct qlcnic_adapter *adapter, int sem)
 325 {
 326         QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_UNLOCK(sem)));
 327 }
 328
 329 static int
 330 qlcnic_send_cmd_descs(struct qlcnic_adapter *adapter,
 331                 struct cmd_desc_type0 *cmd_desc_arr, int nr_desc)
 332 {
 333         u32 i, producer, consumer;
 334         struct qlcnic_cmd_buffer *pbuf;
 335         struct cmd_desc_type0 *cmd_desc;
 336         struct qlcnic_host_tx_ring *tx_ring;
 337
 338         i = 0;
 339
 340         if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
 341                 return -EIO;
 342
 343         tx_ring = adapter->tx_ring;
 344         __netif_tx_lock_bh(tx_ring->txq);
 345
 346         producer = tx_ring->producer;
 347         consumer = tx_ring->sw_consumer;
 348
 349         if (nr_desc >= qlcnic_tx_avail(tx_ring)) {
 350                 netif_tx_stop_queue(tx_ring->txq);
 351                 __netif_tx_unlock_bh(tx_ring->txq);
 352                 return -EBUSY;
 353         }
 354
 355         do {
 356                 cmd_desc = &cmd_desc_arr[i];
 357
 358                 pbuf = &tx_ring->cmd_buf_arr[producer];
 359                 pbuf->skb = NULL;
 360                 pbuf->frag_count = 0;
 361
 362                 memcpy(&tx_ring->desc_head[producer],
 363                         &cmd_desc_arr[i], sizeof(struct cmd_desc_type0));
 364
 365                 producer = get_next_index(producer, tx_ring->num_desc);
 366                 i++;
 367
 368         } while (i != nr_desc);
 369
 370         tx_ring->producer = producer;
 371
 372         qlcnic_update_cmd_producer(adapter, tx_ring);
 373
 374         __netif_tx_unlock_bh(tx_ring->txq);
 375
 376         return 0;
 377 }
 378
 379 static int
 380 qlcnic_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr,
 381                                 unsigned op)
 382 {
 383         struct qlcnic_nic_req req;
 384         struct qlcnic_mac_req *mac_req;
 385         u64 word;
 386
 387         memset(&req, 0, sizeof(struct qlcnic_nic_req));
 388         req.qhdr = cpu_to_le64(QLCNIC_REQUEST << 23);
 389
 390         word = QLCNIC_MAC_EVENT | ((u64)adapter->portnum << 16);
 391         req.req_hdr = cpu_to_le64(word);
 392
 393         mac_req = (struct qlcnic_mac_req *)&req.words[0];
 394         mac_req->op = op;
 395         memcpy(mac_req->mac_addr, addr, 6);
 396
 397         return qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 398 }
 399
 400 static int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter,
 401                 u8 *addr, struct list_head *del_list)
 402 {
 403         struct list_head *head;
 404         struct qlcnic_mac_list_s *cur;
 405
 406         /* look up if already exists */
 407         list_for_each(head, del_list) {
 408                 cur = list_entry(head, struct qlcnic_mac_list_s, list);
 409
 410                 if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0) {
 411                         list_move_tail(head, &adapter->mac_list);
 412                         return 0;
 413                 }
 414         }
 415
 416         cur = kzalloc(sizeof(struct qlcnic_mac_list_s), GFP_ATOMIC);
 417         if (cur == NULL) {
 418                 dev_err(&adapter->netdev->dev,
 419                         "failed to add mac address filter\n");
 420                 return -ENOMEM;
 421         }
 422         memcpy(cur->mac_addr, addr, ETH_ALEN);
 423         list_add_tail(&cur->list, &adapter->mac_list);
 424
 425         return qlcnic_sre_macaddr_change(adapter,
 426                                 cur->mac_addr, QLCNIC_MAC_ADD);
 427 }
 428
 429 void qlcnic_set_multi(struct net_device *netdev)
 430 {
 431         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 432         struct dev_mc_list *mc_ptr;
 433         u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
 434         u32 mode = VPORT_MISS_MODE_DROP;
 435         LIST_HEAD(del_list);
 436         struct list_head *head;
 437         struct qlcnic_mac_list_s *cur;
 438
 439         list_splice_tail_init(&adapter->mac_list, &del_list);
 440
 441         qlcnic_nic_add_mac(adapter, adapter->mac_addr, &del_list);
 442         qlcnic_nic_add_mac(adapter, bcast_addr, &del_list);
 443
 444         if (netdev->flags & IFF_PROMISC) {
 445                 mode = VPORT_MISS_MODE_ACCEPT_ALL;
 446                 goto send_fw_cmd;
 447         }
 448
 449         if ((netdev->flags & IFF_ALLMULTI) ||
 450             (netdev_mc_count(netdev) > adapter->max_mc_count)) {
 451                 mode = VPORT_MISS_MODE_ACCEPT_MULTI;
 452                 goto send_fw_cmd;
 453         }
 454
 455         if (!netdev_mc_empty(netdev)) {
 456                 netdev_for_each_mc_addr(mc_ptr, netdev) {
 457                         qlcnic_nic_add_mac(adapter, mc_ptr->dmi_addr,
 458                                                         &del_list);
 459                 }
 460         }
 461
 462 send_fw_cmd:
 463         qlcnic_nic_set_promisc(adapter, mode);
 464         head = &del_list;
 465         while (!list_empty(head)) {
 466                 cur = list_entry(head->next, struct qlcnic_mac_list_s, list);
 467
 468                 qlcnic_sre_macaddr_change(adapter,
 469                                 cur->mac_addr, QLCNIC_MAC_DEL);
 470                 list_del(&cur->list);
 471                 kfree(cur);
 472         }
 473 }
 474
 475 int qlcnic_nic_set_promisc(struct qlcnic_adapter *adapter, u32 mode)
 476 {
 477         struct qlcnic_nic_req req;
 478         u64 word;
 479
 480         memset(&req, 0, sizeof(struct qlcnic_nic_req));
 481
 482         req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
 483
 484         word = QLCNIC_H2C_OPCODE_PROXY_SET_VPORT_MISS_MODE |
 485                         ((u64)adapter->portnum << 16);
 486         req.req_hdr = cpu_to_le64(word);
 487
 488         req.words[0] = cpu_to_le64(mode);
 489
 490         return qlcnic_send_cmd_descs(adapter,
 491                                 (struct cmd_desc_type0 *)&req, 1);
 492 }
 493
 494 void qlcnic_free_mac_list(struct qlcnic_adapter *adapter)
 495 {
 496         struct qlcnic_mac_list_s *cur;
 497         struct list_head *head = &adapter->mac_list;
 498
 499         while (!list_empty(head)) {
 500                 cur = list_entry(head->next, struct qlcnic_mac_list_s, list);
 501                 qlcnic_sre_macaddr_change(adapter,
 502                                 cur->mac_addr, QLCNIC_MAC_DEL);
 503                 list_del(&cur->list);
 504                 kfree(cur);
 505         }
 506 }
 507
 508 #define QLCNIC_CONFIG_INTR_COALESCE     3
 509
 510 /*
 511  * Send the interrupt coalescing parameter set by ethtool to the card.
 512  */
 513 int qlcnic_config_intr_coalesce(struct qlcnic_adapter *adapter)
 514 {
 515         struct qlcnic_nic_req req;
 516         u64 word[6];
 517         int rv, i;
 518
 519         memset(&req, 0, sizeof(struct qlcnic_nic_req));
 520
 521         req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
 522
 523         word[0] = QLCNIC_CONFIG_INTR_COALESCE | ((u64)adapter->portnum << 16);
 524         req.req_hdr = cpu_to_le64(word[0]);
 525
 526         memcpy(&word[0], &adapter->coal, sizeof(adapter->coal));
 527         for (i = 0; i < 6; i++)
 528                 req.words[i] = cpu_to_le64(word[i]);
 529
 530         rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 531         if (rv != 0)
 532                 dev_err(&adapter->netdev->dev,
 533                         "Could not send interrupt coalescing parameters\n");
 534
 535         return rv;
 536 }
 537
 538 int qlcnic_config_hw_lro(struct qlcnic_adapter *adapter, int enable)
 539 {
 540         struct qlcnic_nic_req req;
 541         u64 word;
 542         int rv;
 543
 544         if ((adapter->flags & QLCNIC_LRO_ENABLED) == enable)
 545                 return 0;
 546
 547         memset(&req, 0, sizeof(struct qlcnic_nic_req));
 548
 549         req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
 550
 551         word = QLCNIC_H2C_OPCODE_CONFIG_HW_LRO | ((u64)adapter->portnum << 16);
 552         req.req_hdr = cpu_to_le64(word);
 553
 554         req.words[0] = cpu_to_le64(enable);
 555
 556         rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 557         if (rv != 0)
 558                 dev_err(&adapter->netdev->dev,
 559                         "Could not send configure hw lro request\n");
 560
 561         adapter->flags ^= QLCNIC_LRO_ENABLED;
 562
 563         return rv;
 564 }
 565
 566 int qlcnic_config_bridged_mode(struct qlcnic_adapter *adapter, int enable)
 567 {
 568         struct qlcnic_nic_req req;
 569         u64 word;
 570         int rv;
 571
 572         if (!!(adapter->flags & QLCNIC_BRIDGE_ENABLED) == enable)
 573                 return 0;
 574
 575         memset(&req, 0, sizeof(struct qlcnic_nic_req));
 576
 577         req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
 578
 579         word = QLCNIC_H2C_OPCODE_CONFIG_BRIDGING |
 580                 ((u64)adapter->portnum << 16);
 581         req.req_hdr = cpu_to_le64(word);
 582
 583         req.words[0] = cpu_to_le64(enable);
 584
 585         rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 586         if (rv != 0)
 587                 dev_err(&adapter->netdev->dev,
 588                         "Could not send configure bridge mode request\n");
 589
 590         adapter->flags ^= QLCNIC_BRIDGE_ENABLED;
 591
 592         return rv;
 593 }
 594
 595
 596 #define RSS_HASHTYPE_IP_TCP     0x3
 597
 598 int qlcnic_config_rss(struct qlcnic_adapter *adapter, int enable)
 599 {
 600         struct qlcnic_nic_req req;
 601         u64 word;
 602         int i, rv;
 603
 604         const u64 key[] = { 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL,
 605                         0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL,
 606                         0x255b0ec26d5a56daULL };
 607
 608
 609         memset(&req, 0, sizeof(struct qlcnic_nic_req));
 610         req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
 611
 612         word = QLCNIC_H2C_OPCODE_CONFIG_RSS | ((u64)adapter->portnum << 16);
 613         req.req_hdr = cpu_to_le64(word);
 614
 615         /*
 616          * RSS request:
 617          * bits 3-0: hash_method
 618          *      5-4: hash_type_ipv4
 619          *      7-6: hash_type_ipv6
 620          *        8: enable
 621          *        9: use indirection table
 622          *    47-10: reserved
 623          *    63-48: indirection table mask
 624          */
 625         word =  ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) |
 626                 ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) |
 627                 ((u64)(enable & 0x1) << 8) |
 628                 ((0x7ULL) << 48);
 629         req.words[0] = cpu_to_le64(word);
 630         for (i = 0; i < 5; i++)
 631                 req.words[i+1] = cpu_to_le64(key[i]);
 632
 633         rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 634         if (rv != 0)
 635                 dev_err(&adapter->netdev->dev, "could not configure RSS\n");
 636
 637         return rv;
 638 }
 639
 640 int qlcnic_config_ipaddr(struct qlcnic_adapter *adapter, u32 ip, int cmd)
 641 {
 642         struct qlcnic_nic_req req;
 643         u64 word;
 644         int rv;
 645
 646         memset(&req, 0, sizeof(struct qlcnic_nic_req));
 647         req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
 648
 649         word = QLCNIC_H2C_OPCODE_CONFIG_IPADDR | ((u64)adapter->portnum << 16);
 650         req.req_hdr = cpu_to_le64(word);
 651
 652         req.words[0] = cpu_to_le64(cmd);
 653         req.words[1] = cpu_to_le64(ip);
 654
 655         rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 656         if (rv != 0)
 657                 dev_err(&adapter->netdev->dev,
 658                                 "could not notify %s IP 0x%x reuqest\n",
 659                                 (cmd == QLCNIC_IP_UP) ? "Add" : "Remove", ip);
 660
 661         return rv;
 662 }
 663
 664 int qlcnic_linkevent_request(struct qlcnic_adapter *adapter, int enable)
 665 {
 666         struct qlcnic_nic_req req;
 667         u64 word;
 668         int rv;
 669
 670         memset(&req, 0, sizeof(struct qlcnic_nic_req));
 671         req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
 672
 673         word = QLCNIC_H2C_OPCODE_GET_LINKEVENT | ((u64)adapter->portnum << 16);
 674         req.req_hdr = cpu_to_le64(word);
 675         req.words[0] = cpu_to_le64(enable | (enable << 8));
 676
 677         rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 678         if (rv != 0)
 679                 dev_err(&adapter->netdev->dev,
 680                                 "could not configure link notification\n");
 681
 682         return rv;
 683 }
 684
 685 int qlcnic_send_lro_cleanup(struct qlcnic_adapter *adapter)
 686 {
 687         struct qlcnic_nic_req req;
 688         u64 word;
 689         int rv;
 690
 691         memset(&req, 0, sizeof(struct qlcnic_nic_req));
 692         req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
 693
 694         word = QLCNIC_H2C_OPCODE_LRO_REQUEST |
 695                 ((u64)adapter->portnum << 16) |
 696                 ((u64)QLCNIC_LRO_REQUEST_CLEANUP << 56) ;
 697
 698         req.req_hdr = cpu_to_le64(word);
 699
 700         rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 701         if (rv != 0)
 702                 dev_err(&adapter->netdev->dev,
 703                                  "could not cleanup lro flows\n");
 704
 705         return rv;
 706 }
 707
 708 /*
 709  * qlcnic_change_mtu - Change the Maximum Transfer Unit
 710  * @returns 0 on success, negative on failure
 711  */
 712
 713 int qlcnic_change_mtu(struct net_device *netdev, int mtu)
 714 {
 715         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 716         int rc = 0;
 717
 718         if (mtu > P3_MAX_MTU) {
 719                 dev_err(&adapter->netdev->dev, "mtu > %d bytes unsupported\n",
 720                                                 P3_MAX_MTU);
 721                 return -EINVAL;
 722         }
 723
 724         rc = qlcnic_fw_cmd_set_mtu(adapter, mtu);
 725
 726         if (!rc)
 727                 netdev->mtu = mtu;
 728
 729         return rc;
 730 }
 731
 732 int qlcnic_get_mac_addr(struct qlcnic_adapter *adapter, u64 *mac)
 733 {
 734         u32 crbaddr, mac_hi, mac_lo;
 735         int pci_func = adapter->ahw.pci_func;
 736
 737         crbaddr = CRB_MAC_BLOCK_START +
 738                 (4 * ((pci_func/2) * 3)) + (4 * (pci_func & 1));
 739
 740         mac_lo = QLCRD32(adapter, crbaddr);
 741         mac_hi = QLCRD32(adapter, crbaddr+4);
 742
 743         if (pci_func & 1)
 744                 *mac = le64_to_cpu((mac_lo >> 16) | ((u64)mac_hi << 16));
 745         else
 746                 *mac = le64_to_cpu((u64)mac_lo | ((u64)mac_hi << 32));
 747
 748         return 0;
 749 }
 750
 751 /*
 752  * Changes the CRB window to the specified window.
 753  */
 754  /* Returns < 0 if off is not valid,
 755  *       1 if window access is needed. 'off' is set to offset from
 756  *         CRB space in 128M pci map
 757  *       0 if no window access is needed. 'off' is set to 2M addr
 758  * In: 'off' is offset from base in 128M pci map
 759  */
 760 static int
 761 qlcnic_pci_get_crb_addr_2M(struct qlcnic_adapter *adapter,
 762                 ulong off, void __iomem **addr)
 763 {
 764         const struct crb_128M_2M_sub_block_map *m;
 765
 766         if ((off >= QLCNIC_CRB_MAX) || (off < QLCNIC_PCI_CRBSPACE))
 767                 return -EINVAL;
 768
 769         off -= QLCNIC_PCI_CRBSPACE;
 770
 771         /*
 772          * Try direct map
 773          */
 774         m = &crb_128M_2M_map[CRB_BLK(off)].sub_block[CRB_SUBBLK(off)];
 775
 776         if (m->valid && (m->start_128M <= off) && (m->end_128M > off)) {
 777                 *addr = adapter->ahw.pci_base0 + m->start_2M +
 778                         (off - m->start_128M);
 779                 return 0;
 780         }
 781
 782         /*
 783          * Not in direct map, use crb window
 784          */
 785         *addr = adapter->ahw.pci_base0 + CRB_INDIRECT_2M + (off & MASK(16));
 786         return 1;
 787 }
 788
 789 /*
 790  * In: 'off' is offset from CRB space in 128M pci map
 791  * Out: 'off' is 2M pci map addr
 792  * side effect: lock crb window
 793  */
 794 static void
 795 qlcnic_pci_set_crbwindow_2M(struct qlcnic_adapter *adapter, ulong off)
 796 {
 797         u32 window;
 798         void __iomem *addr = adapter->ahw.pci_base0 + CRB_WINDOW_2M;
 799
 800         off -= QLCNIC_PCI_CRBSPACE;
 801
 802         window = CRB_HI(off);
 803
 804         if (adapter->ahw.crb_win == window)
 805                 return;
 806
 807         writel(window, addr);
 808         if (readl(addr) != window) {
 809                 if (printk_ratelimit())
 810                         dev_warn(&adapter->pdev->dev,
 811                                 "failed to set CRB window to %d off 0x%lx\n",
 812                                 window, off);
 813         }
 814         adapter->ahw.crb_win = window;
 815 }
 816
 817 int
 818 qlcnic_hw_write_wx_2M(struct qlcnic_adapter *adapter, ulong off, u32 data)
 819 {
 820         unsigned long flags;
 821         int rv;
 822         void __iomem *addr = NULL;
 823
 824         rv = qlcnic_pci_get_crb_addr_2M(adapter, off, &addr);
 825
 826         if (rv == 0) {
 827                 writel(data, addr);
 828                 return 0;
 829         }
 830
 831         if (rv > 0) {
 832                 /* indirect access */
 833                 write_lock_irqsave(&adapter->ahw.crb_lock, flags);
 834                 crb_win_lock(adapter);
 835                 qlcnic_pci_set_crbwindow_2M(adapter, off);
 836                 writel(data, addr);
 837                 crb_win_unlock(adapter);
 838                 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
 839                 return 0;
 840         }
 841
 842         dev_err(&adapter->pdev->dev,
 843                         "%s: invalid offset: 0x%016lx\n", __func__, off);
 844         dump_stack();
 845         return -EIO;
 846 }
 847
 848 u32
 849 qlcnic_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong off)
 850 {
 851         unsigned long flags;
 852         int rv;
 853         u32 data;
 854         void __iomem *addr = NULL;
 855
 856         rv = qlcnic_pci_get_crb_addr_2M(adapter, off, &addr);
 857
 858         if (rv == 0)
 859                 return readl(addr);
 860
 861         if (rv > 0) {
 862                 /* indirect access */
 863                 write_lock_irqsave(&adapter->ahw.crb_lock, flags);
 864                 crb_win_lock(adapter);
 865                 qlcnic_pci_set_crbwindow_2M(adapter, off);
 866                 data = readl(addr);
 867                 crb_win_unlock(adapter);
 868                 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
 869                 return data;
 870         }
 871
 872         dev_err(&adapter->pdev->dev,
 873                         "%s: invalid offset: 0x%016lx\n", __func__, off);
 874         dump_stack();
 875         return -1;
 876 }
 877
 878
 879 void __iomem *
 880 qlcnic_get_ioaddr(struct qlcnic_adapter *adapter, u32 offset)
 881 {
 882         void __iomem *addr = NULL;
 883
 884         WARN_ON(qlcnic_pci_get_crb_addr_2M(adapter, offset, &addr));
 885
 886         return addr;
 887 }
 888
 889
 890 static int
 891 qlcnic_pci_set_window_2M(struct qlcnic_adapter *adapter,
 892                 u64 addr, u32 *start)
 893 {
 894         u32 window;
 895         struct pci_dev *pdev = adapter->pdev;
 896
 897         if ((addr & 0x00ff800) == 0xff800) {
 898                 if (printk_ratelimit())
 899                         dev_warn(&pdev->dev, "QM access not handled\n");
 900                 return -EIO;
 901         }
 902
 903         window = OCM_WIN_P3P(addr);
 904
 905         writel(window, adapter->ahw.ocm_win_crb);
 906         /* read back to flush */
 907         readl(adapter->ahw.ocm_win_crb);
 908
 909         adapter->ahw.ocm_win = window;
 910         *start = QLCNIC_PCI_OCM0_2M + GET_MEM_OFFS_2M(addr);
 911         return 0;
 912 }
 913
 914 static int
 915 qlcnic_pci_mem_access_direct(struct qlcnic_adapter *adapter, u64 off,
 916                 u64 *data, int op)
 917 {
 918         void __iomem *addr, *mem_ptr = NULL;
 919         resource_size_t mem_base;
 920         int ret;
 921         u32 start;
 922
 923         mutex_lock(&adapter->ahw.mem_lock);
 924
 925         ret = qlcnic_pci_set_window_2M(adapter, off, &start);
 926         if (ret != 0)
 927                 goto unlock;
 928
 929         addr = pci_base_offset(adapter, start);
 930         if (addr)
 931                 goto noremap;
 932
 933         mem_base = pci_resource_start(adapter->pdev, 0) + (start & PAGE_MASK);
 934
 935         mem_ptr = ioremap(mem_base, PAGE_SIZE);
 936         if (mem_ptr == NULL) {
 937                 ret = -EIO;
 938                 goto unlock;
 939         }
 940
 941         addr = mem_ptr + (start & (PAGE_SIZE - 1));
 942
 943 noremap:
 944         if (op == 0)    /* read */
 945                 *data = readq(addr);
 946         else            /* write */
 947                 writeq(*data, addr);
 948
 949 unlock:
 950         mutex_unlock(&adapter->ahw.mem_lock);
 951
 952         if (mem_ptr)
 953                 iounmap(mem_ptr);
 954         return ret;
 955 }
 956
 957 #define MAX_CTL_CHECK   1000
 958
 959 int
 960 qlcnic_pci_mem_write_2M(struct qlcnic_adapter *adapter,
 961                 u64 off, u64 data)
 962 {
 963         int i, j, ret;
 964         u32 temp, off8;
 965         u64 stride;
 966         void __iomem *mem_crb;
 967
 968         /* Only 64-bit aligned access */
 969         if (off & 7)
 970                 return -EIO;
 971
 972         /* P3 onward, test agent base for MIU and SIU is same */
 973         if (ADDR_IN_RANGE(off, QLCNIC_ADDR_QDR_NET,
 974                                 QLCNIC_ADDR_QDR_NET_MAX_P3)) {
 975                 mem_crb = qlcnic_get_ioaddr(adapter,
 976                                 QLCNIC_CRB_QDR_NET+MIU_TEST_AGT_BASE);
 977                 goto correct;
 978         }
 979
 980         if (ADDR_IN_RANGE(off, QLCNIC_ADDR_DDR_NET, QLCNIC_ADDR_DDR_NET_MAX)) {
 981                 mem_crb = qlcnic_get_ioaddr(adapter,
 982                                 QLCNIC_CRB_DDR_NET+MIU_TEST_AGT_BASE);
 983                 goto correct;
 984         }
 985
 986         if (ADDR_IN_RANGE(off, QLCNIC_ADDR_OCM0, QLCNIC_ADDR_OCM0_MAX))
 987                 return qlcnic_pci_mem_access_direct(adapter, off, &data, 1);
 988
 989         return -EIO;
 990
 991 correct:
 992         stride = QLCNIC_IS_REVISION_P3P(adapter->ahw.revision_id) ? 16 : 8;
 993
 994         off8 = off & ~(stride-1);
 995
 996         mutex_lock(&adapter->ahw.mem_lock);
 997
 998         writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
 999         writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
1000
1001         i = 0;
1002         if (stride == 16) {
1003                 writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL));
1004                 writel((TA_CTL_START | TA_CTL_ENABLE),
1005                                 (mem_crb + TEST_AGT_CTRL));
1006
1007                 for (j = 0; j < MAX_CTL_CHECK; j++) {
1008                         temp = readl(mem_crb + TEST_AGT_CTRL);
1009                         if ((temp & TA_CTL_BUSY) == 0)
1010                                 break;
1011                 }
1012
1013                 if (j >= MAX_CTL_CHECK) {
1014                         ret = -EIO;
1015                         goto done;
1016                 }
1017
1018                 i = (off & 0xf) ? 0 : 2;
1019                 writel(readl(mem_crb + MIU_TEST_AGT_RDDATA(i)),
1020                                 mem_crb + MIU_TEST_AGT_WRDATA(i));
1021                 writel(readl(mem_crb + MIU_TEST_AGT_RDDATA(i+1)),
1022                                 mem_crb + MIU_TEST_AGT_WRDATA(i+1));
1023                 i = (off & 0xf) ? 2 : 0;
1024         }
1025
1026         writel(data & 0xffffffff,
1027                         mem_crb + MIU_TEST_AGT_WRDATA(i));
1028         writel((data >> 32) & 0xffffffff,
1029                         mem_crb + MIU_TEST_AGT_WRDATA(i+1));
1030
1031         writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL));
1032         writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE),
1033                         (mem_crb + TEST_AGT_CTRL));
1034
1035         for (j = 0; j < MAX_CTL_CHECK; j++) {
1036                 temp = readl(mem_crb + TEST_AGT_CTRL);
1037                 if ((temp & TA_CTL_BUSY) == 0)
1038                         break;
1039         }
1040
1041         if (j >= MAX_CTL_CHECK) {
1042                 if (printk_ratelimit())
1043                         dev_err(&adapter->pdev->dev,
1044                                         "failed to write through agent\n");
1045                 ret = -EIO;
1046         } else
1047                 ret = 0;
1048
1049 done:
1050         mutex_unlock(&adapter->ahw.mem_lock);
1051
1052         return ret;
1053 }
1054
1055 int
1056 qlcnic_pci_mem_read_2M(struct qlcnic_adapter *adapter,
1057                 u64 off, u64 *data)
1058 {
1059         int j, ret;
1060         u32 temp, off8;
1061         u64 val, stride;
1062         void __iomem *mem_crb;
1063
1064         /* Only 64-bit aligned access */
1065         if (off & 7)
1066                 return -EIO;
1067
1068         /* P3 onward, test agent base for MIU and SIU is same */
1069         if (ADDR_IN_RANGE(off, QLCNIC_ADDR_QDR_NET,
1070                                 QLCNIC_ADDR_QDR_NET_MAX_P3)) {
1071                 mem_crb = qlcnic_get_ioaddr(adapter,
1072                                 QLCNIC_CRB_QDR_NET+MIU_TEST_AGT_BASE);
1073                 goto correct;
1074         }
1075
1076         if (ADDR_IN_RANGE(off, QLCNIC_ADDR_DDR_NET, QLCNIC_ADDR_DDR_NET_MAX)) {
1077                 mem_crb = qlcnic_get_ioaddr(adapter,
1078                                 QLCNIC_CRB_DDR_NET+MIU_TEST_AGT_BASE);
1079                 goto correct;
1080         }
1081
1082         if (ADDR_IN_RANGE(off, QLCNIC_ADDR_OCM0, QLCNIC_ADDR_OCM0_MAX)) {
1083                 return qlcnic_pci_mem_access_direct(adapter,
1084                                 off, data, 0);
1085         }
1086
1087         return -EIO;
1088
1089 correct:
1090         stride = QLCNIC_IS_REVISION_P3P(adapter->ahw.revision_id) ? 16 : 8;
1091
1092         off8 = off & ~(stride-1);
1093
1094         mutex_lock(&adapter->ahw.mem_lock);
1095
1096         writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
1097         writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
1098         writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL));
1099         writel((TA_CTL_START | TA_CTL_ENABLE), (mem_crb + TEST_AGT_CTRL));
1100
1101         for (j = 0; j < MAX_CTL_CHECK; j++) {
1102                 temp = readl(mem_crb + TEST_AGT_CTRL);
1103                 if ((temp & TA_CTL_BUSY) == 0)
1104                         break;
1105         }
1106
1107         if (j >= MAX_CTL_CHECK) {
1108                 if (printk_ratelimit())
1109                         dev_err(&adapter->pdev->dev,
1110                                         "failed to read through agent\n");
1111                 ret = -EIO;
1112         } else {
1113                 off8 = MIU_TEST_AGT_RDDATA_LO;
1114                 if ((stride == 16) && (off & 0xf))
1115                         off8 = MIU_TEST_AGT_RDDATA_UPPER_LO;
1116
1117                 temp = readl(mem_crb + off8 + 4);
1118                 val = (u64)temp << 32;
1119                 val |= readl(mem_crb + off8);
1120                 *data = val;
1121                 ret = 0;
1122         }
1123
1124         mutex_unlock(&adapter->ahw.mem_lock);
1125
1126         return ret;
1127 }
1128
1129 int qlcnic_get_board_info(struct qlcnic_adapter *adapter)
1130 {
1131         int offset, board_type, magic;
1132         struct pci_dev *pdev = adapter->pdev;
1133
1134         offset = QLCNIC_FW_MAGIC_OFFSET;
1135         if (qlcnic_rom_fast_read(adapter, offset, &magic))
1136                 return -EIO;
1137
1138         if (magic != QLCNIC_BDINFO_MAGIC) {
1139                 dev_err(&pdev->dev, "invalid board config, magic=%08x\n",
1140                         magic);
1141                 return -EIO;
1142         }
1143
1144         offset = QLCNIC_BRDTYPE_OFFSET;
1145         if (qlcnic_rom_fast_read(adapter, offset, &board_type))
1146                 return -EIO;
1147
1148         adapter->ahw.board_type = board_type;
1149
1150         if (board_type == QLCNIC_BRDTYPE_P3_4_GB_MM) {
1151                 u32 gpio = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_PAD_GPIO_I);
1152                 if ((gpio & 0x8000) == 0)
1153                         board_type = QLCNIC_BRDTYPE_P3_10G_TP;
1154         }
1155
1156         switch (board_type) {
1157         case QLCNIC_BRDTYPE_P3_HMEZ:
1158         case QLCNIC_BRDTYPE_P3_XG_LOM:
1159         case QLCNIC_BRDTYPE_P3_10G_CX4:
1160         case QLCNIC_BRDTYPE_P3_10G_CX4_LP:
1161         case QLCNIC_BRDTYPE_P3_IMEZ:
1162         case QLCNIC_BRDTYPE_P3_10G_SFP_PLUS:
1163         case QLCNIC_BRDTYPE_P3_10G_SFP_CT:
1164         case QLCNIC_BRDTYPE_P3_10G_SFP_QT:
1165         case QLCNIC_BRDTYPE_P3_10G_XFP:
1166         case QLCNIC_BRDTYPE_P3_10000_BASE_T:
1167                 adapter->ahw.port_type = QLCNIC_XGBE;
1168                 break;
1169         case QLCNIC_BRDTYPE_P3_REF_QG:
1170         case QLCNIC_BRDTYPE_P3_4_GB:
1171         case QLCNIC_BRDTYPE_P3_4_GB_MM:
1172                 adapter->ahw.port_type = QLCNIC_GBE;
1173                 break;
1174         case QLCNIC_BRDTYPE_P3_10G_TP:
1175                 adapter->ahw.port_type = (adapter->portnum < 2) ?
1176                         QLCNIC_XGBE : QLCNIC_GBE;
1177                 break;
1178         default:
1179                 dev_err(&pdev->dev, "unknown board type %x\n", board_type);
1180                 adapter->ahw.port_type = QLCNIC_XGBE;
1181                 break;
1182         }
1183
1184         return 0;
1185 }
1186
1187 int
1188 qlcnic_wol_supported(struct qlcnic_adapter *adapter)
1189 {
1190         u32 wol_cfg;
1191
1192         wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV);
1193         if (wol_cfg & (1UL << adapter->portnum)) {
1194                 wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG);
1195                 if (wol_cfg & (1 << adapter->portnum))
1196                         return 1;
1197         }
1198
1199         return 0;
1200 }
1201
1202 int qlcnic_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate)
1203 {
1204         struct qlcnic_nic_req   req;
1205         int rv;
1206         u64 word;
1207
1208         memset(&req, 0, sizeof(struct qlcnic_nic_req));
1209         req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
1210
1211         word = QLCNIC_H2C_OPCODE_CONFIG_LED | ((u64)adapter->portnum << 16);
1212         req.req_hdr = cpu_to_le64(word);
1213
1214         req.words[0] = cpu_to_le64((u64)rate << 32);
1215         req.words[1] = cpu_to_le64(state);
1216
1217         rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
1218         if (rv)
1219                 dev_err(&adapter->pdev->dev, "LED configuration failed.\n");
1220
1221         return rv;
1222 }
1223
1224 static int qlcnic_set_fw_loopback(struct qlcnic_adapter *adapter, u32 flag)
1225 {
1226         struct qlcnic_nic_req   req;
1227         int                     rv;
1228         u64                     word;
1229
1230         memset(&req, 0, sizeof(struct qlcnic_nic_req));
1231         req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
1232
1233         word = QLCNIC_H2C_OPCODE_CONFIG_LOOPBACK |
1234                         ((u64)adapter->portnum << 16);
1235         req.req_hdr = cpu_to_le64(word);
1236         req.words[0] = cpu_to_le64(flag);
1237
1238         rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
1239         if (rv)
1240                 dev_err(&adapter->pdev->dev,
1241                         "%sting loopback mode failed.\n",
1242                                         flag ? "Set" : "Reset");
1243         return rv;
1244 }
1245
1246 int qlcnic_set_ilb_mode(struct qlcnic_adapter *adapter)
1247 {
1248         if (qlcnic_set_fw_loopback(adapter, 1))
1249                 return -EIO;
1250
1251         if (qlcnic_nic_set_promisc(adapter,
1252                                 VPORT_MISS_MODE_ACCEPT_ALL)) {
1253                 qlcnic_set_fw_loopback(adapter, 0);
1254                 return -EIO;
1255         }
1256
1257         msleep(1000);
1258         return 0;
1259 }
1260
1261 void qlcnic_clear_ilb_mode(struct qlcnic_adapter *adapter)
1262 {
1263         int mode = VPORT_MISS_MODE_DROP;
1264         struct net_device *netdev = adapter->netdev;
1265
1266         qlcnic_set_fw_loopback(adapter, 0);
1267
1268         if (netdev->flags & IFF_PROMISC)
1269                 mode = VPORT_MISS_MODE_ACCEPT_ALL;
1270         else if (netdev->flags & IFF_ALLMULTI)
1271                 mode = VPORT_MISS_MODE_ACCEPT_MULTI;
1272
1273         qlcnic_nic_set_promisc(adapter, mode);
1274 }