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 <linux/slab.h>
  28 #include <net/ip.h>
  29
  30 #define MASK(n) ((1ULL<<(n))-1)
  31 #define OCM_WIN_P3P(addr) (addr & 0xffc0000)
  32
  33 #define GET_MEM_OFFS_2M(addr) (addr & MASK(18))
  34
  35 #define CRB_BLK(off)    ((off >> 20) & 0x3f)
  36 #define CRB_SUBBLK(off) ((off >> 16) & 0xf)
  37 #define CRB_WINDOW_2M   (0x130060)
  38 #define CRB_HI(off)     ((crb_hub_agt[CRB_BLK(off)] << 20) | ((off) & 0xf0000))
  39 #define CRB_INDIRECT_2M (0x1e0000UL)
  40
  41
  42 #ifndef readq
  43 static inline u64 readq(void __iomem *addr)
  44 {
  45         return readl(addr) | (((u64) readl(addr + 4)) << 32LL);
  46 }
  47 #endif
  48
  49 #ifndef writeq
  50 static inline void writeq(u64 val, void __iomem *addr)
  51 {
  52         writel(((u32) (val)), (addr));
  53         writel(((u32) (val >> 32)), (addr + 4));
  54 }
  55 #endif
  56
  57 static const struct crb_128M_2M_block_map
  58 crb_128M_2M_map[64] __cacheline_aligned_in_smp = {
  59     {{{0, 0,         0,         0} } },         /* 0: PCI */
  60     {{{1, 0x0100000, 0x0102000, 0x120000},      /* 1: PCIE */
  61           {1, 0x0110000, 0x0120000, 0x130000},
  62           {1, 0x0120000, 0x0122000, 0x124000},
  63           {1, 0x0130000, 0x0132000, 0x126000},
  64           {1, 0x0140000, 0x0142000, 0x128000},
  65           {1, 0x0150000, 0x0152000, 0x12a000},
  66           {1, 0x0160000, 0x0170000, 0x110000},
  67           {1, 0x0170000, 0x0172000, 0x12e000},
  68           {0, 0x0000000, 0x0000000, 0x000000},
  69           {0, 0x0000000, 0x0000000, 0x000000},
  70           {0, 0x0000000, 0x0000000, 0x000000},
  71           {0, 0x0000000, 0x0000000, 0x000000},
  72           {0, 0x0000000, 0x0000000, 0x000000},
  73           {0, 0x0000000, 0x0000000, 0x000000},
  74           {1, 0x01e0000, 0x01e0800, 0x122000},
  75           {0, 0x0000000, 0x0000000, 0x000000} } },
  76         {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */
  77     {{{0, 0,         0,         0} } },     /* 3: */
  78     {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */
  79     {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE   */
  80     {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU   */
  81     {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM    */
  82     {{{1, 0x0800000, 0x0802000, 0x170000},  /* 8: SQM0  */
  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       {0, 0x0000000, 0x0000000, 0x000000},
  89       {0, 0x0000000, 0x0000000, 0x000000},
  90       {0, 0x0000000, 0x0000000, 0x000000},
  91       {0, 0x0000000, 0x0000000, 0x000000},
  92       {0, 0x0000000, 0x0000000, 0x000000},
  93       {0, 0x0000000, 0x0000000, 0x000000},
  94       {0, 0x0000000, 0x0000000, 0x000000},
  95       {0, 0x0000000, 0x0000000, 0x000000},
  96       {0, 0x0000000, 0x0000000, 0x000000},
  97       {1, 0x08f0000, 0x08f2000, 0x172000} } },
  98     {{{1, 0x0900000, 0x0902000, 0x174000},      /* 9: SQM1*/
  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       {0, 0x0000000, 0x0000000, 0x000000},
 112       {0, 0x0000000, 0x0000000, 0x000000},
 113       {1, 0x09f0000, 0x09f2000, 0x176000} } },
 114     {{{0, 0x0a00000, 0x0a02000, 0x178000},      /* 10: SQM2*/
 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       {0, 0x0000000, 0x0000000, 0x000000},
 128       {0, 0x0000000, 0x0000000, 0x000000},
 129       {1, 0x0af0000, 0x0af2000, 0x17a000} } },
 130     {{{0, 0x0b00000, 0x0b02000, 0x17c000},      /* 11: SQM3*/
 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       {0, 0x0000000, 0x0000000, 0x000000},
 144       {0, 0x0000000, 0x0000000, 0x000000},
 145       {1, 0x0bf0000, 0x0bf2000, 0x17e000} } },
 146         {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */
 147         {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */
 148         {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */
 149         {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */
 150         {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */
 151         {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */
 152         {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */
 153         {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */
 154         {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */
 155         {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */
 156         {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */
 157         {{{0, 0,         0,         0} } },     /* 23: */
 158         {{{0, 0,         0,         0} } },     /* 24: */
 159         {{{0, 0,         0,         0} } },     /* 25: */
 160         {{{0, 0,         0,         0} } },     /* 26: */
 161         {{{0, 0,         0,         0} } },     /* 27: */
 162         {{{0, 0,         0,         0} } },     /* 28: */
 163         {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */
 164     {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */
 165     {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */
 166         {{{0} } },                              /* 32: PCI */
 167         {{{1, 0x2100000, 0x2102000, 0x120000},  /* 33: PCIE */
 168           {1, 0x2110000, 0x2120000, 0x130000},
 169           {1, 0x2120000, 0x2122000, 0x124000},
 170           {1, 0x2130000, 0x2132000, 0x126000},
 171           {1, 0x2140000, 0x2142000, 0x128000},
 172           {1, 0x2150000, 0x2152000, 0x12a000},
 173           {1, 0x2160000, 0x2170000, 0x110000},
 174           {1, 0x2170000, 0x2172000, 0x12e000},
 175           {0, 0x0000000, 0x0000000, 0x000000},
 176           {0, 0x0000000, 0x0000000, 0x000000},
 177           {0, 0x0000000, 0x0000000, 0x000000},
 178           {0, 0x0000000, 0x0000000, 0x000000},
 179           {0, 0x0000000, 0x0000000, 0x000000},
 180           {0, 0x0000000, 0x0000000, 0x000000},
 181           {0, 0x0000000, 0x0000000, 0x000000},
 182           {0, 0x0000000, 0x0000000, 0x000000} } },
 183         {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */
 184         {{{0} } },                              /* 35: */
 185         {{{0} } },                              /* 36: */
 186         {{{0} } },                              /* 37: */
 187         {{{0} } },                              /* 38: */
 188         {{{0} } },                              /* 39: */
 189         {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */
 190         {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */
 191         {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */
 192         {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */
 193         {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */
 194         {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */
 195         {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */
 196         {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */
 197         {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */
 198         {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */
 199         {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */
 200         {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */
 201         {{{0} } },                              /* 52: */
 202         {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */
 203         {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */
 204         {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */
 205         {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */
 206         {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */
 207         {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */
 208         {{{0} } },                              /* 59: I2C0 */
 209         {{{0} } },                              /* 60: I2C1 */
 210         {{{1, 0x3d00000, 0x3d04000, 0x1d8000} } },/* 61: LPC */
 211         {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */
 212         {{{1, 0x3f00000, 0x3f01000, 0x168000} } }       /* 63: P2NR0 */
 213 };
 214
 215 /*
 216  * top 12 bits of crb internal address (hub, agent)
 217  */
 218 static const unsigned crb_hub_agt[64] = {
 219         0,
 220         QLCNIC_HW_CRB_HUB_AGT_ADR_PS,
 221         QLCNIC_HW_CRB_HUB_AGT_ADR_MN,
 222         QLCNIC_HW_CRB_HUB_AGT_ADR_MS,
 223         0,
 224         QLCNIC_HW_CRB_HUB_AGT_ADR_SRE,
 225         QLCNIC_HW_CRB_HUB_AGT_ADR_NIU,
 226         QLCNIC_HW_CRB_HUB_AGT_ADR_QMN,
 227         QLCNIC_HW_CRB_HUB_AGT_ADR_SQN0,
 228         QLCNIC_HW_CRB_HUB_AGT_ADR_SQN1,
 229         QLCNIC_HW_CRB_HUB_AGT_ADR_SQN2,
 230         QLCNIC_HW_CRB_HUB_AGT_ADR_SQN3,
 231         QLCNIC_HW_CRB_HUB_AGT_ADR_I2Q,
 232         QLCNIC_HW_CRB_HUB_AGT_ADR_TIMR,
 233         QLCNIC_HW_CRB_HUB_AGT_ADR_ROMUSB,
 234         QLCNIC_HW_CRB_HUB_AGT_ADR_PGN4,
 235         QLCNIC_HW_CRB_HUB_AGT_ADR_XDMA,
 236         QLCNIC_HW_CRB_HUB_AGT_ADR_PGN0,
 237         QLCNIC_HW_CRB_HUB_AGT_ADR_PGN1,
 238         QLCNIC_HW_CRB_HUB_AGT_ADR_PGN2,
 239         QLCNIC_HW_CRB_HUB_AGT_ADR_PGN3,
 240         QLCNIC_HW_CRB_HUB_AGT_ADR_PGND,
 241         QLCNIC_HW_CRB_HUB_AGT_ADR_PGNI,
 242         QLCNIC_HW_CRB_HUB_AGT_ADR_PGS0,
 243         QLCNIC_HW_CRB_HUB_AGT_ADR_PGS1,
 244         QLCNIC_HW_CRB_HUB_AGT_ADR_PGS2,
 245         QLCNIC_HW_CRB_HUB_AGT_ADR_PGS3,
 246         0,
 247         QLCNIC_HW_CRB_HUB_AGT_ADR_PGSI,
 248         QLCNIC_HW_CRB_HUB_AGT_ADR_SN,
 249         0,
 250         QLCNIC_HW_CRB_HUB_AGT_ADR_EG,
 251         0,
 252         QLCNIC_HW_CRB_HUB_AGT_ADR_PS,
 253         QLCNIC_HW_CRB_HUB_AGT_ADR_CAM,
 254         0,
 255         0,
 256         0,
 257         0,
 258         0,
 259         QLCNIC_HW_CRB_HUB_AGT_ADR_TIMR,
 260         0,
 261         QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX1,
 262         QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX2,
 263         QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX3,
 264         QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX4,
 265         QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX5,
 266         QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX6,
 267         QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX7,
 268         QLCNIC_HW_CRB_HUB_AGT_ADR_XDMA,
 269         QLCNIC_HW_CRB_HUB_AGT_ADR_I2Q,
 270         QLCNIC_HW_CRB_HUB_AGT_ADR_ROMUSB,
 271         0,
 272         QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX0,
 273         QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX8,
 274         QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX9,
 275         QLCNIC_HW_CRB_HUB_AGT_ADR_OCM0,
 276         0,
 277         QLCNIC_HW_CRB_HUB_AGT_ADR_SMB,
 278         QLCNIC_HW_CRB_HUB_AGT_ADR_I2C0,
 279         QLCNIC_HW_CRB_HUB_AGT_ADR_I2C1,
 280         0,
 281         QLCNIC_HW_CRB_HUB_AGT_ADR_PGNC,
 282         0,
 283 };
 284
 285 /*  PCI Windowing for DDR regions.  */
 286
 287 #define QLCNIC_PCIE_SEM_TIMEOUT 10000
 288
 289 int
 290 qlcnic_pcie_sem_lock(struct qlcnic_adapter *adapter, int sem, u32 id_reg)
 291 {
 292         int done = 0, timeout = 0;
 293
 294         while (!done) {
 295                 done = QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_LOCK(sem)));
 296                 if (done == 1)
 297                         break;
 298                 if (++timeout >= QLCNIC_PCIE_SEM_TIMEOUT) {
 299                         dev_err(&adapter->pdev->dev,
 300                                 "Failed to acquire sem=%d lock; holdby=%d\n",
 301                                 sem, id_reg ? QLCRD32(adapter, id_reg) : -1);
 302                         return -EIO;
 303                 }
 304                 msleep(1);
 305         }
 306
 307         if (id_reg)
 308                 QLCWR32(adapter, id_reg, adapter->portnum);
 309
 310         return 0;
 311 }
 312
 313 void
 314 qlcnic_pcie_sem_unlock(struct qlcnic_adapter *adapter, int sem)
 315 {
 316         QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_UNLOCK(sem)));
 317 }
 318
 319 static int
 320 qlcnic_send_cmd_descs(struct qlcnic_adapter *adapter,
 321                 struct cmd_desc_type0 *cmd_desc_arr, int nr_desc)
 322 {
 323         u32 i, producer, consumer;
 324         struct qlcnic_cmd_buffer *pbuf;
 325         struct cmd_desc_type0 *cmd_desc;
 326         struct qlcnic_host_tx_ring *tx_ring;
 327
 328         i = 0;
 329
 330         if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state))
 331                 return -EIO;
 332
 333         tx_ring = adapter->tx_ring;
 334         __netif_tx_lock_bh(tx_ring->txq);
 335
 336         producer = tx_ring->producer;
 337         consumer = tx_ring->sw_consumer;
 338
 339         if (nr_desc >= qlcnic_tx_avail(tx_ring)) {
 340                 netif_tx_stop_queue(tx_ring->txq);
 341                 smp_mb();
 342                 if (qlcnic_tx_avail(tx_ring) > nr_desc) {
 343                         if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH)
 344                                 netif_tx_wake_queue(tx_ring->txq);
 345                 } else {
 346                         adapter->stats.xmit_off++;
 347                         __netif_tx_unlock_bh(tx_ring->txq);
 348                         return -EBUSY;
 349                 }
 350         }
 351
 352         do {
 353                 cmd_desc = &cmd_desc_arr[i];
 354
 355                 pbuf = &tx_ring->cmd_buf_arr[producer];
 356                 pbuf->skb = NULL;
 357                 pbuf->frag_count = 0;
 358
 359                 memcpy(&tx_ring->desc_head[producer],
 360                         &cmd_desc_arr[i], sizeof(struct cmd_desc_type0));
 361
 362                 producer = get_next_index(producer, tx_ring->num_desc);
 363                 i++;
 364
 365         } while (i != nr_desc);
 366
 367         tx_ring->producer = producer;
 368
 369         qlcnic_update_cmd_producer(adapter, tx_ring);
 370
 371         __netif_tx_unlock_bh(tx_ring->txq);
 372
 373         return 0;
 374 }
 375
 376 static int
 377 qlcnic_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr,
 378                                 unsigned op)
 379 {
 380         struct qlcnic_nic_req req;
 381         struct qlcnic_mac_req *mac_req;
 382         u64 word;
 383
 384         memset(&req, 0, sizeof(struct qlcnic_nic_req));
 385         req.qhdr = cpu_to_le64(QLCNIC_REQUEST << 23);
 386
 387         word = QLCNIC_MAC_EVENT | ((u64)adapter->portnum << 16);
 388         req.req_hdr = cpu_to_le64(word);
 389
 390         mac_req = (struct qlcnic_mac_req *)&req.words[0];
 391         mac_req->op = op;
 392         memcpy(mac_req->mac_addr, addr, 6);
 393
 394         return qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 395 }
 396
 397 static int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter, u8 *addr)
 398 {
 399         struct list_head *head;
 400         struct qlcnic_mac_list_s *cur;
 401
 402         /* look up if already exists */
 403         list_for_each(head, &adapter->mac_list) {
 404                 cur = list_entry(head, struct qlcnic_mac_list_s, list);
 405                 if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0)
 406                         return 0;
 407         }
 408
 409         cur = kzalloc(sizeof(struct qlcnic_mac_list_s), GFP_ATOMIC);
 410         if (cur == NULL) {
 411                 dev_err(&adapter->netdev->dev,
 412                         "failed to add mac address filter\n");
 413                 return -ENOMEM;
 414         }
 415         memcpy(cur->mac_addr, addr, ETH_ALEN);
 416
 417         if (qlcnic_sre_macaddr_change(adapter,
 418                                 cur->mac_addr, QLCNIC_MAC_ADD)) {
 419                 kfree(cur);
 420                 return -EIO;
 421         }
 422
 423         list_add_tail(&cur->list, &adapter->mac_list);
 424         return 0;
 425 }
 426
 427 void qlcnic_set_multi(struct net_device *netdev)
 428 {
 429         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 430         struct netdev_hw_addr *ha;
 431         u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
 432         u32 mode = VPORT_MISS_MODE_DROP;
 433
 434         if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state))
 435                 return;
 436
 437         qlcnic_nic_add_mac(adapter, adapter->mac_addr);
 438         qlcnic_nic_add_mac(adapter, bcast_addr);
 439
 440         if (netdev->flags & IFF_PROMISC) {
 441                 mode = VPORT_MISS_MODE_ACCEPT_ALL;
 442                 goto send_fw_cmd;
 443         }
 444
 445         if ((netdev->flags & IFF_ALLMULTI) ||
 446             (netdev_mc_count(netdev) > adapter->max_mc_count)) {
 447                 mode = VPORT_MISS_MODE_ACCEPT_MULTI;
 448                 goto send_fw_cmd;
 449         }
 450
 451         if (!netdev_mc_empty(netdev)) {
 452                 netdev_for_each_mc_addr(ha, netdev) {
 453                         qlcnic_nic_add_mac(adapter, ha->addr);
 454                 }
 455         }
 456
 457 send_fw_cmd:
 458         qlcnic_nic_set_promisc(adapter, mode);
 459 }
 460
 461 int qlcnic_nic_set_promisc(struct qlcnic_adapter *adapter, u32 mode)
 462 {
 463         struct qlcnic_nic_req req;
 464         u64 word;
 465
 466         memset(&req, 0, sizeof(struct qlcnic_nic_req));
 467
 468         req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
 469
 470         word = QLCNIC_H2C_OPCODE_PROXY_SET_VPORT_MISS_MODE |
 471                         ((u64)adapter->portnum << 16);
 472         req.req_hdr = cpu_to_le64(word);
 473
 474         req.words[0] = cpu_to_le64(mode);
 475
 476         return qlcnic_send_cmd_descs(adapter,
 477                                 (struct cmd_desc_type0 *)&req, 1);
 478 }
 479
 480 void qlcnic_free_mac_list(struct qlcnic_adapter *adapter)
 481 {
 482         struct qlcnic_mac_list_s *cur;
 483         struct list_head *head = &adapter->mac_list;
 484
 485         while (!list_empty(head)) {
 486                 cur = list_entry(head->next, struct qlcnic_mac_list_s, list);
 487                 qlcnic_sre_macaddr_change(adapter,
 488                                 cur->mac_addr, QLCNIC_MAC_DEL);
 489                 list_del(&cur->list);
 490                 kfree(cur);
 491         }
 492 }
 493
 494 #define QLCNIC_CONFIG_INTR_COALESCE     3
 495
 496 /*
 497  * Send the interrupt coalescing parameter set by ethtool to the card.
 498  */
 499 int qlcnic_config_intr_coalesce(struct qlcnic_adapter *adapter)
 500 {
 501         struct qlcnic_nic_req req;
 502         u64 word[6];
 503         int rv, i;
 504
 505         memset(&req, 0, sizeof(struct qlcnic_nic_req));
 506
 507         req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
 508
 509         word[0] = QLCNIC_CONFIG_INTR_COALESCE | ((u64)adapter->portnum << 16);
 510         req.req_hdr = cpu_to_le64(word[0]);
 511
 512         memcpy(&word[0], &adapter->coal, sizeof(adapter->coal));
 513         for (i = 0; i < 6; i++)
 514                 req.words[i] = cpu_to_le64(word[i]);
 515
 516         rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 517         if (rv != 0)
 518                 dev_err(&adapter->netdev->dev,
 519                         "Could not send interrupt coalescing parameters\n");
 520
 521         return rv;
 522 }
 523
 524 int qlcnic_config_hw_lro(struct qlcnic_adapter *adapter, int enable)
 525 {
 526         struct qlcnic_nic_req req;
 527         u64 word;
 528         int rv;
 529
 530         if ((adapter->flags & QLCNIC_LRO_ENABLED) == enable)
 531                 return 0;
 532
 533         memset(&req, 0, sizeof(struct qlcnic_nic_req));
 534
 535         req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
 536
 537         word = QLCNIC_H2C_OPCODE_CONFIG_HW_LRO | ((u64)adapter->portnum << 16);
 538         req.req_hdr = cpu_to_le64(word);
 539
 540         req.words[0] = cpu_to_le64(enable);
 541
 542         rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 543         if (rv != 0)
 544                 dev_err(&adapter->netdev->dev,
 545                         "Could not send configure hw lro request\n");
 546
 547         adapter->flags ^= QLCNIC_LRO_ENABLED;
 548
 549         return rv;
 550 }
 551
 552 int qlcnic_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable)
 553 {
 554         struct qlcnic_nic_req req;
 555         u64 word;
 556         int rv;
 557
 558         if (!!(adapter->flags & QLCNIC_BRIDGE_ENABLED) == enable)
 559                 return 0;
 560
 561         memset(&req, 0, sizeof(struct qlcnic_nic_req));
 562
 563         req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
 564
 565         word = QLCNIC_H2C_OPCODE_CONFIG_BRIDGING |
 566                 ((u64)adapter->portnum << 16);
 567         req.req_hdr = cpu_to_le64(word);
 568
 569         req.words[0] = cpu_to_le64(enable);
 570
 571         rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 572         if (rv != 0)
 573                 dev_err(&adapter->netdev->dev,
 574                         "Could not send configure bridge mode request\n");
 575
 576         adapter->flags ^= QLCNIC_BRIDGE_ENABLED;
 577
 578         return rv;
 579 }
 580
 581
 582 #define RSS_HASHTYPE_IP_TCP     0x3
 583
 584 int qlcnic_config_rss(struct qlcnic_adapter *adapter, int enable)
 585 {
 586         struct qlcnic_nic_req req;
 587         u64 word;
 588         int i, rv;
 589
 590         const u64 key[] = { 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL,
 591                         0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL,
 592                         0x255b0ec26d5a56daULL };
 593
 594
 595         memset(&req, 0, sizeof(struct qlcnic_nic_req));
 596         req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
 597
 598         word = QLCNIC_H2C_OPCODE_CONFIG_RSS | ((u64)adapter->portnum << 16);
 599         req.req_hdr = cpu_to_le64(word);
 600
 601         /*
 602          * RSS request:
 603          * bits 3-0: hash_method
 604          *      5-4: hash_type_ipv4
 605          *      7-6: hash_type_ipv6
 606          *        8: enable
 607          *        9: use indirection table
 608          *    47-10: reserved
 609          *    63-48: indirection table mask
 610          */
 611         word =  ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) |
 612                 ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) |
 613                 ((u64)(enable & 0x1) << 8) |
 614                 ((0x7ULL) << 48);
 615         req.words[0] = cpu_to_le64(word);
 616         for (i = 0; i < 5; i++)
 617                 req.words[i+1] = cpu_to_le64(key[i]);
 618
 619         rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 620         if (rv != 0)
 621                 dev_err(&adapter->netdev->dev, "could not configure RSS\n");
 622
 623         return rv;
 624 }
 625
 626 int qlcnic_config_ipaddr(struct qlcnic_adapter *adapter, u32 ip, int cmd)
 627 {
 628         struct qlcnic_nic_req req;
 629         u64 word;
 630         int rv;
 631
 632         memset(&req, 0, sizeof(struct qlcnic_nic_req));
 633         req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
 634
 635         word = QLCNIC_H2C_OPCODE_CONFIG_IPADDR | ((u64)adapter->portnum << 16);
 636         req.req_hdr = cpu_to_le64(word);
 637
 638         req.words[0] = cpu_to_le64(cmd);
 639         req.words[1] = cpu_to_le64(ip);
 640
 641         rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 642         if (rv != 0)
 643                 dev_err(&adapter->netdev->dev,
 644                                 "could not notify %s IP 0x%x reuqest\n",
 645                                 (cmd == QLCNIC_IP_UP) ? "Add" : "Remove", ip);
 646
 647         return rv;
 648 }
 649
 650 int qlcnic_linkevent_request(struct qlcnic_adapter *adapter, int enable)
 651 {
 652         struct qlcnic_nic_req req;
 653         u64 word;
 654         int rv;
 655
 656         memset(&req, 0, sizeof(struct qlcnic_nic_req));
 657         req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
 658
 659         word = QLCNIC_H2C_OPCODE_GET_LINKEVENT | ((u64)adapter->portnum << 16);
 660         req.req_hdr = cpu_to_le64(word);
 661         req.words[0] = cpu_to_le64(enable | (enable << 8));
 662
 663         rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 664         if (rv != 0)
 665                 dev_err(&adapter->netdev->dev,
 666                                 "could not configure link notification\n");
 667
 668         return rv;
 669 }
 670
 671 int qlcnic_send_lro_cleanup(struct qlcnic_adapter *adapter)
 672 {
 673         struct qlcnic_nic_req req;
 674         u64 word;
 675         int rv;
 676
 677         memset(&req, 0, sizeof(struct qlcnic_nic_req));
 678         req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
 679
 680         word = QLCNIC_H2C_OPCODE_LRO_REQUEST |
 681                 ((u64)adapter->portnum << 16) |
 682                 ((u64)QLCNIC_LRO_REQUEST_CLEANUP << 56) ;
 683
 684         req.req_hdr = cpu_to_le64(word);
 685
 686         rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 687         if (rv != 0)
 688                 dev_err(&adapter->netdev->dev,
 689                                  "could not cleanup lro flows\n");
 690
 691         return rv;
 692 }
 693
 694 /*
 695  * qlcnic_change_mtu - Change the Maximum Transfer Unit
 696  * @returns 0 on success, negative on failure
 697  */
 698
 699 int qlcnic_change_mtu(struct net_device *netdev, int mtu)
 700 {
 701         struct qlcnic_adapter *adapter = netdev_priv(netdev);
 702         int rc = 0;
 703
 704         if (mtu > P3_MAX_MTU) {
 705                 dev_err(&adapter->netdev->dev, "mtu > %d bytes unsupported\n",
 706                                                 P3_MAX_MTU);
 707                 return -EINVAL;
 708         }
 709
 710         rc = qlcnic_fw_cmd_set_mtu(adapter, mtu);
 711
 712         if (!rc)
 713                 netdev->mtu = mtu;
 714
 715         return rc;
 716 }
 717
 718 /*
 719  * Changes the CRB window to the specified window.
 720  */
 721  /* Returns < 0 if off is not valid,
 722  *       1 if window access is needed. 'off' is set to offset from
 723  *         CRB space in 128M pci map
 724  *       0 if no window access is needed. 'off' is set to 2M addr
 725  * In: 'off' is offset from base in 128M pci map
 726  */
 727 static int
 728 qlcnic_pci_get_crb_addr_2M(struct qlcnic_adapter *adapter,
 729                 ulong off, void __iomem **addr)
 730 {
 731         const struct crb_128M_2M_sub_block_map *m;
 732
 733         if ((off >= QLCNIC_CRB_MAX) || (off < QLCNIC_PCI_CRBSPACE))
 734                 return -EINVAL;
 735
 736         off -= QLCNIC_PCI_CRBSPACE;
 737
 738         /*
 739          * Try direct map
 740          */
 741         m = &crb_128M_2M_map[CRB_BLK(off)].sub_block[CRB_SUBBLK(off)];
 742
 743         if (m->valid && (m->start_128M <= off) && (m->end_128M > off)) {
 744                 *addr = adapter->ahw.pci_base0 + m->start_2M +
 745                         (off - m->start_128M);
 746                 return 0;
 747         }
 748
 749         /*
 750          * Not in direct map, use crb window
 751          */
 752         *addr = adapter->ahw.pci_base0 + CRB_INDIRECT_2M + (off & MASK(16));
 753         return 1;
 754 }
 755
 756 /*
 757  * In: 'off' is offset from CRB space in 128M pci map
 758  * Out: 'off' is 2M pci map addr
 759  * side effect: lock crb window
 760  */
 761 static int
 762 qlcnic_pci_set_crbwindow_2M(struct qlcnic_adapter *adapter, ulong off)
 763 {
 764         u32 window;
 765         void __iomem *addr = adapter->ahw.pci_base0 + CRB_WINDOW_2M;
 766
 767         off -= QLCNIC_PCI_CRBSPACE;
 768
 769         window = CRB_HI(off);
 770         if (window == 0) {
 771                 dev_err(&adapter->pdev->dev, "Invalid offset 0x%lx\n", off);
 772                 return -EIO;
 773         }
 774
 775         writel(window, addr);
 776         if (readl(addr) != window) {
 777                 if (printk_ratelimit())
 778                         dev_warn(&adapter->pdev->dev,
 779                                 "failed to set CRB window to %d off 0x%lx\n",
 780                                 window, off);
 781                 return -EIO;
 782         }
 783         return 0;
 784 }
 785
 786 int
 787 qlcnic_hw_write_wx_2M(struct qlcnic_adapter *adapter, ulong off, u32 data)
 788 {
 789         unsigned long flags;
 790         int rv;
 791         void __iomem *addr = NULL;
 792
 793         rv = qlcnic_pci_get_crb_addr_2M(adapter, off, &addr);
 794
 795         if (rv == 0) {
 796                 writel(data, addr);
 797                 return 0;
 798         }
 799
 800         if (rv > 0) {
 801                 /* indirect access */
 802                 write_lock_irqsave(&adapter->ahw.crb_lock, flags);
 803                 crb_win_lock(adapter);
 804                 rv = qlcnic_pci_set_crbwindow_2M(adapter, off);
 805                 if (!rv)
 806                         writel(data, addr);
 807                 crb_win_unlock(adapter);
 808                 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
 809                 return rv;
 810         }
 811
 812         dev_err(&adapter->pdev->dev,
 813                         "%s: invalid offset: 0x%016lx\n", __func__, off);
 814         dump_stack();
 815         return -EIO;
 816 }
 817
 818 u32
 819 qlcnic_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong off)
 820 {
 821         unsigned long flags;
 822         int rv;
 823         u32 data = -1;
 824         void __iomem *addr = NULL;
 825
 826         rv = qlcnic_pci_get_crb_addr_2M(adapter, off, &addr);
 827
 828         if (rv == 0)
 829                 return readl(addr);
 830
 831         if (rv > 0) {
 832                 /* indirect access */
 833                 write_lock_irqsave(&adapter->ahw.crb_lock, flags);
 834                 crb_win_lock(adapter);
 835                 if (!qlcnic_pci_set_crbwindow_2M(adapter, off))
 836                         data = readl(addr);
 837                 crb_win_unlock(adapter);
 838                 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
 839                 return data;
 840         }
 841
 842         dev_err(&adapter->pdev->dev,
 843                         "%s: invalid offset: 0x%016lx\n", __func__, off);
 844         dump_stack();
 845         return -1;
 846 }
 847
 848
 849 void __iomem *
 850 qlcnic_get_ioaddr(struct qlcnic_adapter *adapter, u32 offset)
 851 {
 852         void __iomem *addr = NULL;
 853
 854         WARN_ON(qlcnic_pci_get_crb_addr_2M(adapter, offset, &addr));
 855
 856         return addr;
 857 }
 858
 859
 860 static int
 861 qlcnic_pci_set_window_2M(struct qlcnic_adapter *adapter,
 862                 u64 addr, u32 *start)
 863 {
 864         u32 window;
 865
 866         window = OCM_WIN_P3P(addr);
 867
 868         writel(window, adapter->ahw.ocm_win_crb);
 869         /* read back to flush */
 870         readl(adapter->ahw.ocm_win_crb);
 871
 872         *start = QLCNIC_PCI_OCM0_2M + GET_MEM_OFFS_2M(addr);
 873         return 0;
 874 }
 875
 876 static int
 877 qlcnic_pci_mem_access_direct(struct qlcnic_adapter *adapter, u64 off,
 878                 u64 *data, int op)
 879 {
 880         void __iomem *addr;
 881         int ret;
 882         u32 start;
 883
 884         mutex_lock(&adapter->ahw.mem_lock);
 885
 886         ret = qlcnic_pci_set_window_2M(adapter, off, &start);
 887         if (ret != 0)
 888                 goto unlock;
 889
 890         addr = adapter->ahw.pci_base0 + start;
 891
 892         if (op == 0)    /* read */
 893                 *data = readq(addr);
 894         else            /* write */
 895                 writeq(*data, addr);
 896
 897 unlock:
 898         mutex_unlock(&adapter->ahw.mem_lock);
 899
 900         return ret;
 901 }
 902
 903 void
 904 qlcnic_pci_camqm_read_2M(struct qlcnic_adapter *adapter, u64 off, u64 *data)
 905 {
 906         void __iomem *addr = adapter->ahw.pci_base0 +
 907                 QLCNIC_PCI_CAMQM_2M_BASE + (off - QLCNIC_PCI_CAMQM);
 908
 909         mutex_lock(&adapter->ahw.mem_lock);
 910         *data = readq(addr);
 911         mutex_unlock(&adapter->ahw.mem_lock);
 912 }
 913
 914 void
 915 qlcnic_pci_camqm_write_2M(struct qlcnic_adapter *adapter, u64 off, u64 data)
 916 {
 917         void __iomem *addr = adapter->ahw.pci_base0 +
 918                 QLCNIC_PCI_CAMQM_2M_BASE + (off - QLCNIC_PCI_CAMQM);
 919
 920         mutex_lock(&adapter->ahw.mem_lock);
 921         writeq(data, addr);
 922         mutex_unlock(&adapter->ahw.mem_lock);
 923 }
 924
 925 #define MAX_CTL_CHECK   1000
 926
 927 int
 928 qlcnic_pci_mem_write_2M(struct qlcnic_adapter *adapter,
 929                 u64 off, u64 data)
 930 {
 931         int i, j, ret;
 932         u32 temp, off8;
 933         void __iomem *mem_crb;
 934
 935         /* Only 64-bit aligned access */
 936         if (off & 7)
 937                 return -EIO;
 938
 939         /* P3 onward, test agent base for MIU and SIU is same */
 940         if (ADDR_IN_RANGE(off, QLCNIC_ADDR_QDR_NET,
 941                                 QLCNIC_ADDR_QDR_NET_MAX)) {
 942                 mem_crb = qlcnic_get_ioaddr(adapter,
 943                                 QLCNIC_CRB_QDR_NET+MIU_TEST_AGT_BASE);
 944                 goto correct;
 945         }
 946
 947         if (ADDR_IN_RANGE(off, QLCNIC_ADDR_DDR_NET, QLCNIC_ADDR_DDR_NET_MAX)) {
 948                 mem_crb = qlcnic_get_ioaddr(adapter,
 949                                 QLCNIC_CRB_DDR_NET+MIU_TEST_AGT_BASE);
 950                 goto correct;
 951         }
 952
 953         if (ADDR_IN_RANGE(off, QLCNIC_ADDR_OCM0, QLCNIC_ADDR_OCM0_MAX))
 954                 return qlcnic_pci_mem_access_direct(adapter, off, &data, 1);
 955
 956         return -EIO;
 957
 958 correct:
 959         off8 = off & ~0xf;
 960
 961         mutex_lock(&adapter->ahw.mem_lock);
 962
 963         writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
 964         writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
 965
 966         i = 0;
 967         writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL));
 968         writel((TA_CTL_START | TA_CTL_ENABLE),
 969                         (mem_crb + TEST_AGT_CTRL));
 970
 971         for (j = 0; j < MAX_CTL_CHECK; j++) {
 972                 temp = readl(mem_crb + TEST_AGT_CTRL);
 973                 if ((temp & TA_CTL_BUSY) == 0)
 974                         break;
 975         }
 976
 977         if (j >= MAX_CTL_CHECK) {
 978                 ret = -EIO;
 979                 goto done;
 980         }
 981
 982         i = (off & 0xf) ? 0 : 2;
 983         writel(readl(mem_crb + MIU_TEST_AGT_RDDATA(i)),
 984                         mem_crb + MIU_TEST_AGT_WRDATA(i));
 985         writel(readl(mem_crb + MIU_TEST_AGT_RDDATA(i+1)),
 986                         mem_crb + MIU_TEST_AGT_WRDATA(i+1));
 987         i = (off & 0xf) ? 2 : 0;
 988
 989         writel(data & 0xffffffff,
 990                         mem_crb + MIU_TEST_AGT_WRDATA(i));
 991         writel((data >> 32) & 0xffffffff,
 992                         mem_crb + MIU_TEST_AGT_WRDATA(i+1));
 993
 994         writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL));
 995         writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE),
 996                         (mem_crb + TEST_AGT_CTRL));
 997
 998         for (j = 0; j < MAX_CTL_CHECK; j++) {
 999                 temp = readl(mem_crb + TEST_AGT_CTRL);
1000                 if ((temp & TA_CTL_BUSY) == 0)
1001                         break;
1002         }
1003
1004         if (j >= MAX_CTL_CHECK) {
1005                 if (printk_ratelimit())
1006                         dev_err(&adapter->pdev->dev,
1007                                         "failed to write through agent\n");
1008                 ret = -EIO;
1009         } else
1010                 ret = 0;
1011
1012 done:
1013         mutex_unlock(&adapter->ahw.mem_lock);
1014
1015         return ret;
1016 }
1017
1018 int
1019 qlcnic_pci_mem_read_2M(struct qlcnic_adapter *adapter,
1020                 u64 off, u64 *data)
1021 {
1022         int j, ret;
1023         u32 temp, off8;
1024         u64 val;
1025         void __iomem *mem_crb;
1026
1027         /* Only 64-bit aligned access */
1028         if (off & 7)
1029                 return -EIO;
1030
1031         /* P3 onward, test agent base for MIU and SIU is same */
1032         if (ADDR_IN_RANGE(off, QLCNIC_ADDR_QDR_NET,
1033                                 QLCNIC_ADDR_QDR_NET_MAX)) {
1034                 mem_crb = qlcnic_get_ioaddr(adapter,
1035                                 QLCNIC_CRB_QDR_NET+MIU_TEST_AGT_BASE);
1036                 goto correct;
1037         }
1038
1039         if (ADDR_IN_RANGE(off, QLCNIC_ADDR_DDR_NET, QLCNIC_ADDR_DDR_NET_MAX)) {
1040                 mem_crb = qlcnic_get_ioaddr(adapter,
1041                                 QLCNIC_CRB_DDR_NET+MIU_TEST_AGT_BASE);
1042                 goto correct;
1043         }
1044
1045         if (ADDR_IN_RANGE(off, QLCNIC_ADDR_OCM0, QLCNIC_ADDR_OCM0_MAX)) {
1046                 return qlcnic_pci_mem_access_direct(adapter,
1047                                 off, data, 0);
1048         }
1049
1050         return -EIO;
1051
1052 correct:
1053         off8 = off & ~0xf;
1054
1055         mutex_lock(&adapter->ahw.mem_lock);
1056
1057         writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
1058         writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
1059         writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL));
1060         writel((TA_CTL_START | TA_CTL_ENABLE), (mem_crb + TEST_AGT_CTRL));
1061
1062         for (j = 0; j < MAX_CTL_CHECK; j++) {
1063                 temp = readl(mem_crb + TEST_AGT_CTRL);
1064                 if ((temp & TA_CTL_BUSY) == 0)
1065                         break;
1066         }
1067
1068         if (j >= MAX_CTL_CHECK) {
1069                 if (printk_ratelimit())
1070                         dev_err(&adapter->pdev->dev,
1071                                         "failed to read through agent\n");
1072                 ret = -EIO;
1073         } else {
1074                 off8 = MIU_TEST_AGT_RDDATA_LO;
1075                 if (off & 0xf)
1076                         off8 = MIU_TEST_AGT_RDDATA_UPPER_LO;
1077
1078                 temp = readl(mem_crb + off8 + 4);
1079                 val = (u64)temp << 32;
1080                 val |= readl(mem_crb + off8);
1081                 *data = val;
1082                 ret = 0;
1083         }
1084
1085         mutex_unlock(&adapter->ahw.mem_lock);
1086
1087         return ret;
1088 }
1089
1090 int qlcnic_get_board_info(struct qlcnic_adapter *adapter)
1091 {
1092         int offset, board_type, magic;
1093         struct pci_dev *pdev = adapter->pdev;
1094
1095         offset = QLCNIC_FW_MAGIC_OFFSET;
1096         if (qlcnic_rom_fast_read(adapter, offset, &magic))
1097                 return -EIO;
1098
1099         if (magic != QLCNIC_BDINFO_MAGIC) {
1100                 dev_err(&pdev->dev, "invalid board config, magic=%08x\n",
1101                         magic);
1102                 return -EIO;
1103         }
1104
1105         offset = QLCNIC_BRDTYPE_OFFSET;
1106         if (qlcnic_rom_fast_read(adapter, offset, &board_type))
1107                 return -EIO;
1108
1109         adapter->ahw.board_type = board_type;
1110
1111         if (board_type == QLCNIC_BRDTYPE_P3_4_GB_MM) {
1112                 u32 gpio = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_PAD_GPIO_I);
1113                 if ((gpio & 0x8000) == 0)
1114                         board_type = QLCNIC_BRDTYPE_P3_10G_TP;
1115         }
1116
1117         switch (board_type) {
1118         case QLCNIC_BRDTYPE_P3_HMEZ:
1119         case QLCNIC_BRDTYPE_P3_XG_LOM:
1120         case QLCNIC_BRDTYPE_P3_10G_CX4:
1121         case QLCNIC_BRDTYPE_P3_10G_CX4_LP:
1122         case QLCNIC_BRDTYPE_P3_IMEZ:
1123         case QLCNIC_BRDTYPE_P3_10G_SFP_PLUS:
1124         case QLCNIC_BRDTYPE_P3_10G_SFP_CT:
1125         case QLCNIC_BRDTYPE_P3_10G_SFP_QT:
1126         case QLCNIC_BRDTYPE_P3_10G_XFP:
1127         case QLCNIC_BRDTYPE_P3_10000_BASE_T:
1128                 adapter->ahw.port_type = QLCNIC_XGBE;
1129                 break;
1130         case QLCNIC_BRDTYPE_P3_REF_QG:
1131         case QLCNIC_BRDTYPE_P3_4_GB:
1132         case QLCNIC_BRDTYPE_P3_4_GB_MM:
1133                 adapter->ahw.port_type = QLCNIC_GBE;
1134                 break;
1135         case QLCNIC_BRDTYPE_P3_10G_TP:
1136                 adapter->ahw.port_type = (adapter->portnum < 2) ?
1137                         QLCNIC_XGBE : QLCNIC_GBE;
1138                 break;
1139         default:
1140                 dev_err(&pdev->dev, "unknown board type %x\n", board_type);
1141                 adapter->ahw.port_type = QLCNIC_XGBE;
1142                 break;
1143         }
1144
1145         return 0;
1146 }
1147
1148 int
1149 qlcnic_wol_supported(struct qlcnic_adapter *adapter)
1150 {
1151         u32 wol_cfg;
1152
1153         wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV);
1154         if (wol_cfg & (1UL << adapter->portnum)) {
1155                 wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG);
1156                 if (wol_cfg & (1 << adapter->portnum))
1157                         return 1;
1158         }
1159
1160         return 0;
1161 }
1162
1163 int qlcnic_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate)
1164 {
1165         struct qlcnic_nic_req   req;
1166         int rv;
1167         u64 word;
1168
1169         memset(&req, 0, sizeof(struct qlcnic_nic_req));
1170         req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
1171
1172         word = QLCNIC_H2C_OPCODE_CONFIG_LED | ((u64)adapter->portnum << 16);
1173         req.req_hdr = cpu_to_le64(word);
1174
1175         req.words[0] = cpu_to_le64((u64)rate << 32);
1176         req.words[1] = cpu_to_le64(state);
1177
1178         rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
1179         if (rv)
1180                 dev_err(&adapter->pdev->dev, "LED configuration failed.\n");
1181
1182         return rv;
1183 }
1184
1185 static int qlcnic_set_fw_loopback(struct qlcnic_adapter *adapter, u32 flag)
1186 {
1187         struct qlcnic_nic_req   req;
1188         int                     rv;
1189         u64                     word;
1190
1191         memset(&req, 0, sizeof(struct qlcnic_nic_req));
1192         req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
1193
1194         word = QLCNIC_H2C_OPCODE_CONFIG_LOOPBACK |
1195                         ((u64)adapter->portnum << 16);
1196         req.req_hdr = cpu_to_le64(word);
1197         req.words[0] = cpu_to_le64(flag);
1198
1199         rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
1200         if (rv)
1201                 dev_err(&adapter->pdev->dev,
1202                         "%sting loopback mode failed.\n",
1203                                         flag ? "Set" : "Reset");
1204         return rv;
1205 }
1206
1207 int qlcnic_set_ilb_mode(struct qlcnic_adapter *adapter)
1208 {
1209         if (qlcnic_set_fw_loopback(adapter, 1))
1210                 return -EIO;
1211
1212         if (qlcnic_nic_set_promisc(adapter,
1213                                 VPORT_MISS_MODE_ACCEPT_ALL)) {
1214                 qlcnic_set_fw_loopback(adapter, 0);
1215                 return -EIO;
1216         }
1217
1218         msleep(1000);
1219         return 0;
1220 }
1221
1222 void qlcnic_clear_ilb_mode(struct qlcnic_adapter *adapter)
1223 {
1224         int mode = VPORT_MISS_MODE_DROP;
1225         struct net_device *netdev = adapter->netdev;
1226
1227         qlcnic_set_fw_loopback(adapter, 0);
1228
1229         if (netdev->flags & IFF_PROMISC)
1230                 mode = VPORT_MISS_MODE_ACCEPT_ALL;
1231         else if (netdev->flags & IFF_ALLMULTI)
1232                 mode = VPORT_MISS_MODE_ACCEPT_MULTI;
1233
1234         qlcnic_nic_set_promisc(adapter, mode);
1235         msleep(1000);
1236 }