root/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c

/* [<][>][^][v][top][bottom][index][help] */

DEFINITIONS

This source file includes following definitions.
  1. pci_base_offset
  2. netxen_pcie_sem_lock
  3. netxen_pcie_sem_unlock
  4. netxen_niu_xg_init_port
  5. netxen_niu_disable_xg_port
  6. netxen_p2_nic_set_promisc
  7. netxen_p2_nic_set_mac_addr
  8. netxen_nic_enable_mcast_filter
  9. netxen_nic_disable_mcast_filter
  10. netxen_nic_set_mcast_addr
  11. netxen_p2_nic_set_multi
  12. netxen_send_cmd_descs
  13. nx_p3_sre_macaddr_change
  14. nx_p3_nic_add_mac
  15. netxen_p3_nic_set_multi
  16. netxen_p3_nic_set_promisc
  17. netxen_p3_free_mac_list
  18. netxen_p3_nic_set_mac_addr
  19. netxen_config_intr_coalesce
  20. netxen_config_hw_lro
  21. netxen_config_bridged_mode
  22. netxen_config_rss
  23. netxen_config_ipaddr
  24. netxen_linkevent_request
  25. netxen_send_lro_cleanup
  26. netxen_nic_change_mtu
  27. netxen_get_flash_block
  28. netxen_get_flash_mac_addr
  29. netxen_p3_get_mac_addr
  30. netxen_nic_pci_set_crbwindow_128M
  31. netxen_nic_pci_get_crb_addr_2M
  32. netxen_nic_pci_set_crbwindow_2M
  33. netxen_nic_map_indirect_address_128M
  34. netxen_nic_hw_write_wx_128M
  35. netxen_nic_hw_read_wx_128M
  36. netxen_nic_hw_write_wx_2M
  37. netxen_nic_hw_read_wx_2M
  38. netxen_nic_io_write_128M
  39. netxen_nic_io_read_128M
  40. netxen_nic_io_write_2M
  41. netxen_nic_io_read_2M
  42. netxen_get_ioaddr
  43. netxen_nic_pci_set_window_128M
  44. netxen_nic_pci_set_window_2M
  45. netxen_nic_pci_mem_access_direct
  46. netxen_pci_camqm_read_2M
  47. netxen_pci_camqm_write_2M
  48. netxen_nic_pci_mem_write_128M
  49. netxen_nic_pci_mem_read_128M
  50. netxen_nic_pci_mem_write_2M
  51. netxen_nic_pci_mem_read_2M
  52. netxen_setup_hwops
  53. netxen_nic_get_board_info
  54. netxen_nic_set_mtu_xgb
  55. netxen_nic_set_link_parameters
  56. netxen_nic_wol_supported
  57. netxen_md_cntrl
  58. netxen_md_rdmem
  59. netxen_md_rd_crb
  60. netxen_md_rdrom
  61. netxen_md_L2Cache
  62. netxen_md_L1Cache
  63. netxen_md_rdocm
  64. netxen_md_rdmux
  65. netxen_md_rdqueue
  66. netxen_md_entry_err_chk
  67. netxen_parse_md_template
  68. netxen_collect_minidump
  69. netxen_dump_fw

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright (C) 2003 - 2009 NetXen, Inc.
   4  * Copyright (C) 2009 - QLogic Corporation.
   5  * All rights reserved.
   6  */
   7 
   8 #include <linux/io-64-nonatomic-lo-hi.h>
   9 #include <linux/slab.h>
  10 #include "netxen_nic.h"
  11 #include "netxen_nic_hw.h"
  12 
  13 #include <net/ip.h>
  14 
  15 #define MASK(n) ((1ULL<<(n))-1)
  16 #define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | ((addr >> 25) & 0x3ff))
  17 #define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | ((addr >> 25) & 0x3ff))
  18 #define MS_WIN(addr) (addr & 0x0ffc0000)
  19 
  20 #define GET_MEM_OFFS_2M(addr) (addr & MASK(18))
  21 
  22 #define CRB_BLK(off)    ((off >> 20) & 0x3f)
  23 #define CRB_SUBBLK(off) ((off >> 16) & 0xf)
  24 #define CRB_WINDOW_2M   (0x130060)
  25 #define CRB_HI(off)     ((crb_hub_agt[CRB_BLK(off)] << 20) | ((off) & 0xf0000))
  26 #define CRB_INDIRECT_2M (0x1e0000UL)
  27 
  28 static void netxen_nic_io_write_128M(struct netxen_adapter *adapter,
  29                 void __iomem *addr, u32 data);
  30 static u32 netxen_nic_io_read_128M(struct netxen_adapter *adapter,
  31                 void __iomem *addr);
  32 
  33 #define PCI_OFFSET_FIRST_RANGE(adapter, off)    \
  34         ((adapter)->ahw.pci_base0 + (off))
  35 #define PCI_OFFSET_SECOND_RANGE(adapter, off)   \
  36         ((adapter)->ahw.pci_base1 + (off) - SECOND_PAGE_GROUP_START)
  37 #define PCI_OFFSET_THIRD_RANGE(adapter, off)    \
  38         ((adapter)->ahw.pci_base2 + (off) - THIRD_PAGE_GROUP_START)
  39 
  40 static void __iomem *pci_base_offset(struct netxen_adapter *adapter,
  41                                             unsigned long off)
  42 {
  43         if (ADDR_IN_RANGE(off, FIRST_PAGE_GROUP_START, FIRST_PAGE_GROUP_END))
  44                 return PCI_OFFSET_FIRST_RANGE(adapter, off);
  45 
  46         if (ADDR_IN_RANGE(off, SECOND_PAGE_GROUP_START, SECOND_PAGE_GROUP_END))
  47                 return PCI_OFFSET_SECOND_RANGE(adapter, off);
  48 
  49         if (ADDR_IN_RANGE(off, THIRD_PAGE_GROUP_START, THIRD_PAGE_GROUP_END))
  50                 return PCI_OFFSET_THIRD_RANGE(adapter, off);
  51 
  52         return NULL;
  53 }
  54 
  55 static crb_128M_2M_block_map_t
  56 crb_128M_2M_map[64] __cacheline_aligned_in_smp = {
  57     {{{0, 0,         0,         0} } },         /* 0: PCI */
  58     {{{1, 0x0100000, 0x0102000, 0x120000},      /* 1: PCIE */
  59           {1, 0x0110000, 0x0120000, 0x130000},
  60           {1, 0x0120000, 0x0122000, 0x124000},
  61           {1, 0x0130000, 0x0132000, 0x126000},
  62           {1, 0x0140000, 0x0142000, 0x128000},
  63           {1, 0x0150000, 0x0152000, 0x12a000},
  64           {1, 0x0160000, 0x0170000, 0x110000},
  65           {1, 0x0170000, 0x0172000, 0x12e000},
  66           {0, 0x0000000, 0x0000000, 0x000000},
  67           {0, 0x0000000, 0x0000000, 0x000000},
  68           {0, 0x0000000, 0x0000000, 0x000000},
  69           {0, 0x0000000, 0x0000000, 0x000000},
  70           {0, 0x0000000, 0x0000000, 0x000000},
  71           {0, 0x0000000, 0x0000000, 0x000000},
  72           {1, 0x01e0000, 0x01e0800, 0x122000},
  73           {0, 0x0000000, 0x0000000, 0x000000} } },
  74         {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */
  75     {{{0, 0,         0,         0} } },     /* 3: */
  76     {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */
  77     {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE   */
  78     {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU   */
  79     {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM    */
  80     {{{1, 0x0800000, 0x0802000, 0x170000},  /* 8: SQM0  */
  81       {0, 0x0000000, 0x0000000, 0x000000},
  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       {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       {1, 0x08f0000, 0x08f2000, 0x172000} } },
  96     {{{1, 0x0900000, 0x0902000, 0x174000},      /* 9: SQM1*/
  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, 0x09f0000, 0x09f2000, 0x176000} } },
 112     {{{0, 0x0a00000, 0x0a02000, 0x178000},      /* 10: SQM2*/
 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, 0x0af0000, 0x0af2000, 0x17a000} } },
 128     {{{0, 0x0b00000, 0x0b02000, 0x17c000},      /* 11: SQM3*/
 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, 0x0bf0000, 0x0bf2000, 0x17e000} } },
 144         {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */
 145         {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */
 146         {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */
 147         {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */
 148         {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */
 149         {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */
 150         {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */
 151         {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */
 152         {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */
 153         {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */
 154         {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */
 155         {{{0, 0,         0,         0} } },     /* 23: */
 156         {{{0, 0,         0,         0} } },     /* 24: */
 157         {{{0, 0,         0,         0} } },     /* 25: */
 158         {{{0, 0,         0,         0} } },     /* 26: */
 159         {{{0, 0,         0,         0} } },     /* 27: */
 160         {{{0, 0,         0,         0} } },     /* 28: */
 161         {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */
 162     {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */
 163     {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */
 164         {{{0} } },                              /* 32: PCI */
 165         {{{1, 0x2100000, 0x2102000, 0x120000},  /* 33: PCIE */
 166           {1, 0x2110000, 0x2120000, 0x130000},
 167           {1, 0x2120000, 0x2122000, 0x124000},
 168           {1, 0x2130000, 0x2132000, 0x126000},
 169           {1, 0x2140000, 0x2142000, 0x128000},
 170           {1, 0x2150000, 0x2152000, 0x12a000},
 171           {1, 0x2160000, 0x2170000, 0x110000},
 172           {1, 0x2170000, 0x2172000, 0x12e000},
 173           {0, 0x0000000, 0x0000000, 0x000000},
 174           {0, 0x0000000, 0x0000000, 0x000000},
 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         {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */
 182         {{{0} } },                              /* 35: */
 183         {{{0} } },                              /* 36: */
 184         {{{0} } },                              /* 37: */
 185         {{{0} } },                              /* 38: */
 186         {{{0} } },                              /* 39: */
 187         {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */
 188         {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */
 189         {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */
 190         {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */
 191         {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */
 192         {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */
 193         {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */
 194         {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */
 195         {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */
 196         {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */
 197         {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */
 198         {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */
 199         {{{0} } },                              /* 52: */
 200         {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */
 201         {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */
 202         {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */
 203         {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */
 204         {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */
 205         {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */
 206         {{{0} } },                              /* 59: I2C0 */
 207         {{{0} } },                              /* 60: I2C1 */
 208         {{{1, 0x3d00000, 0x3d04000, 0x1d8000} } },/* 61: LPC */
 209         {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */
 210         {{{1, 0x3f00000, 0x3f01000, 0x168000} } }       /* 63: P2NR0 */
 211 };
 212 
 213 /*
 214  * top 12 bits of crb internal address (hub, agent)
 215  */
 216 static unsigned crb_hub_agt[64] =
 217 {
 218         0,
 219         NETXEN_HW_CRB_HUB_AGT_ADR_PS,
 220         NETXEN_HW_CRB_HUB_AGT_ADR_MN,
 221         NETXEN_HW_CRB_HUB_AGT_ADR_MS,
 222         0,
 223         NETXEN_HW_CRB_HUB_AGT_ADR_SRE,
 224         NETXEN_HW_CRB_HUB_AGT_ADR_NIU,
 225         NETXEN_HW_CRB_HUB_AGT_ADR_QMN,
 226         NETXEN_HW_CRB_HUB_AGT_ADR_SQN0,
 227         NETXEN_HW_CRB_HUB_AGT_ADR_SQN1,
 228         NETXEN_HW_CRB_HUB_AGT_ADR_SQN2,
 229         NETXEN_HW_CRB_HUB_AGT_ADR_SQN3,
 230         NETXEN_HW_CRB_HUB_AGT_ADR_I2Q,
 231         NETXEN_HW_CRB_HUB_AGT_ADR_TIMR,
 232         NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB,
 233         NETXEN_HW_CRB_HUB_AGT_ADR_PGN4,
 234         NETXEN_HW_CRB_HUB_AGT_ADR_XDMA,
 235         NETXEN_HW_CRB_HUB_AGT_ADR_PGN0,
 236         NETXEN_HW_CRB_HUB_AGT_ADR_PGN1,
 237         NETXEN_HW_CRB_HUB_AGT_ADR_PGN2,
 238         NETXEN_HW_CRB_HUB_AGT_ADR_PGN3,
 239         NETXEN_HW_CRB_HUB_AGT_ADR_PGND,
 240         NETXEN_HW_CRB_HUB_AGT_ADR_PGNI,
 241         NETXEN_HW_CRB_HUB_AGT_ADR_PGS0,
 242         NETXEN_HW_CRB_HUB_AGT_ADR_PGS1,
 243         NETXEN_HW_CRB_HUB_AGT_ADR_PGS2,
 244         NETXEN_HW_CRB_HUB_AGT_ADR_PGS3,
 245         0,
 246         NETXEN_HW_CRB_HUB_AGT_ADR_PGSI,
 247         NETXEN_HW_CRB_HUB_AGT_ADR_SN,
 248         0,
 249         NETXEN_HW_CRB_HUB_AGT_ADR_EG,
 250         0,
 251         NETXEN_HW_CRB_HUB_AGT_ADR_PS,
 252         NETXEN_HW_CRB_HUB_AGT_ADR_CAM,
 253         0,
 254         0,
 255         0,
 256         0,
 257         0,
 258         NETXEN_HW_CRB_HUB_AGT_ADR_TIMR,
 259         0,
 260         NETXEN_HW_CRB_HUB_AGT_ADR_RPMX1,
 261         NETXEN_HW_CRB_HUB_AGT_ADR_RPMX2,
 262         NETXEN_HW_CRB_HUB_AGT_ADR_RPMX3,
 263         NETXEN_HW_CRB_HUB_AGT_ADR_RPMX4,
 264         NETXEN_HW_CRB_HUB_AGT_ADR_RPMX5,
 265         NETXEN_HW_CRB_HUB_AGT_ADR_RPMX6,
 266         NETXEN_HW_CRB_HUB_AGT_ADR_RPMX7,
 267         NETXEN_HW_CRB_HUB_AGT_ADR_XDMA,
 268         NETXEN_HW_CRB_HUB_AGT_ADR_I2Q,
 269         NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB,
 270         0,
 271         NETXEN_HW_CRB_HUB_AGT_ADR_RPMX0,
 272         NETXEN_HW_CRB_HUB_AGT_ADR_RPMX8,
 273         NETXEN_HW_CRB_HUB_AGT_ADR_RPMX9,
 274         NETXEN_HW_CRB_HUB_AGT_ADR_OCM0,
 275         0,
 276         NETXEN_HW_CRB_HUB_AGT_ADR_SMB,
 277         NETXEN_HW_CRB_HUB_AGT_ADR_I2C0,
 278         NETXEN_HW_CRB_HUB_AGT_ADR_I2C1,
 279         0,
 280         NETXEN_HW_CRB_HUB_AGT_ADR_PGNC,
 281         0,
 282 };
 283 
 284 /*  PCI Windowing for DDR regions.  */
 285 
 286 #define NETXEN_WINDOW_ONE       0x2000000 /*CRB Window: bit 25 of CRB address */
 287 
 288 #define NETXEN_PCIE_SEM_TIMEOUT 10000
 289 
 290 static int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu);
 291 
 292 int
 293 netxen_pcie_sem_lock(struct netxen_adapter *adapter, int sem, u32 id_reg)
 294 {
 295         int done = 0, timeout = 0;
 296 
 297         while (!done) {
 298                 done = NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM_LOCK(sem)));
 299                 if (done == 1)
 300                         break;
 301                 if (++timeout >= NETXEN_PCIE_SEM_TIMEOUT)
 302                         return -EIO;
 303                 msleep(1);
 304         }
 305 
 306         if (id_reg)
 307                 NXWR32(adapter, id_reg, adapter->portnum);
 308 
 309         return 0;
 310 }
 311 
 312 void
 313 netxen_pcie_sem_unlock(struct netxen_adapter *adapter, int sem)
 314 {
 315         NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM_UNLOCK(sem)));
 316 }
 317 
 318 static int netxen_niu_xg_init_port(struct netxen_adapter *adapter, int port)
 319 {
 320         if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
 321                 NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_1+(0x10000*port), 0x1447);
 322                 NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0+(0x10000*port), 0x5);
 323         }
 324 
 325         return 0;
 326 }
 327 
 328 /* Disable an XG interface */
 329 static int netxen_niu_disable_xg_port(struct netxen_adapter *adapter)
 330 {
 331         __u32 mac_cfg;
 332         u32 port = adapter->physical_port;
 333 
 334         if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
 335                 return 0;
 336 
 337         if (port >= NETXEN_NIU_MAX_XG_PORTS)
 338                 return -EINVAL;
 339 
 340         mac_cfg = 0;
 341         if (NXWR32(adapter,
 342                         NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg))
 343                 return -EIO;
 344         return 0;
 345 }
 346 
 347 #define NETXEN_UNICAST_ADDR(port, index) \
 348         (NETXEN_UNICAST_ADDR_BASE+(port*32)+(index*8))
 349 #define NETXEN_MCAST_ADDR(port, index) \
 350         (NETXEN_MULTICAST_ADDR_BASE+(port*0x80)+(index*8))
 351 #define MAC_HI(addr) \
 352         ((addr[2] << 16) | (addr[1] << 8) | (addr[0]))
 353 #define MAC_LO(addr) \
 354         ((addr[5] << 16) | (addr[4] << 8) | (addr[3]))
 355 
 356 static int netxen_p2_nic_set_promisc(struct netxen_adapter *adapter, u32 mode)
 357 {
 358         u32 mac_cfg;
 359         u32 cnt = 0;
 360         __u32 reg = 0x0200;
 361         u32 port = adapter->physical_port;
 362         u16 board_type = adapter->ahw.board_type;
 363 
 364         if (port >= NETXEN_NIU_MAX_XG_PORTS)
 365                 return -EINVAL;
 366 
 367         mac_cfg = NXRD32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port));
 368         mac_cfg &= ~0x4;
 369         NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg);
 370 
 371         if ((board_type == NETXEN_BRDTYPE_P2_SB31_10G_IMEZ) ||
 372                         (board_type == NETXEN_BRDTYPE_P2_SB31_10G_HMEZ))
 373                 reg = (0x20 << port);
 374 
 375         NXWR32(adapter, NETXEN_NIU_FRAME_COUNT_SELECT, reg);
 376 
 377         mdelay(10);
 378 
 379         while (NXRD32(adapter, NETXEN_NIU_FRAME_COUNT) && ++cnt < 20)
 380                 mdelay(10);
 381 
 382         if (cnt < 20) {
 383 
 384                 reg = NXRD32(adapter,
 385                         NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port));
 386 
 387                 if (mode == NETXEN_NIU_PROMISC_MODE)
 388                         reg = (reg | 0x2000UL);
 389                 else
 390                         reg = (reg & ~0x2000UL);
 391 
 392                 if (mode == NETXEN_NIU_ALLMULTI_MODE)
 393                         reg = (reg | 0x1000UL);
 394                 else
 395                         reg = (reg & ~0x1000UL);
 396 
 397                 NXWR32(adapter,
 398                         NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port), reg);
 399         }
 400 
 401         mac_cfg |= 0x4;
 402         NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg);
 403 
 404         return 0;
 405 }
 406 
 407 static int netxen_p2_nic_set_mac_addr(struct netxen_adapter *adapter, u8 *addr)
 408 {
 409         u32 mac_hi, mac_lo;
 410         u32 reg_hi, reg_lo;
 411 
 412         u8 phy = adapter->physical_port;
 413 
 414         if (phy >= NETXEN_NIU_MAX_XG_PORTS)
 415                 return -EINVAL;
 416 
 417         mac_lo = ((u32)addr[0] << 16) | ((u32)addr[1] << 24);
 418         mac_hi = addr[2] | ((u32)addr[3] << 8) |
 419                 ((u32)addr[4] << 16) | ((u32)addr[5] << 24);
 420 
 421         reg_lo = NETXEN_NIU_XGE_STATION_ADDR_0_1 + (0x10000 * phy);
 422         reg_hi = NETXEN_NIU_XGE_STATION_ADDR_0_HI + (0x10000 * phy);
 423 
 424         /* write twice to flush */
 425         if (NXWR32(adapter, reg_lo, mac_lo) || NXWR32(adapter, reg_hi, mac_hi))
 426                 return -EIO;
 427         if (NXWR32(adapter, reg_lo, mac_lo) || NXWR32(adapter, reg_hi, mac_hi))
 428                 return -EIO;
 429 
 430         return 0;
 431 }
 432 
 433 static int
 434 netxen_nic_enable_mcast_filter(struct netxen_adapter *adapter)
 435 {
 436         u32     val = 0;
 437         u16 port = adapter->physical_port;
 438         u8 *addr = adapter->mac_addr;
 439 
 440         if (adapter->mc_enabled)
 441                 return 0;
 442 
 443         val = NXRD32(adapter, NETXEN_MAC_ADDR_CNTL_REG);
 444         val |= (1UL << (28+port));
 445         NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
 446 
 447         /* add broadcast addr to filter */
 448         val = 0xffffff;
 449         NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0), val);
 450         NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0)+4, val);
 451 
 452         /* add station addr to filter */
 453         val = MAC_HI(addr);
 454         NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1), val);
 455         val = MAC_LO(addr);
 456         NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1)+4, val);
 457 
 458         adapter->mc_enabled = 1;
 459         return 0;
 460 }
 461 
 462 static int
 463 netxen_nic_disable_mcast_filter(struct netxen_adapter *adapter)
 464 {
 465         u32     val = 0;
 466         u16 port = adapter->physical_port;
 467         u8 *addr = adapter->mac_addr;
 468 
 469         if (!adapter->mc_enabled)
 470                 return 0;
 471 
 472         val = NXRD32(adapter, NETXEN_MAC_ADDR_CNTL_REG);
 473         val &= ~(1UL << (28+port));
 474         NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
 475 
 476         val = MAC_HI(addr);
 477         NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0), val);
 478         val = MAC_LO(addr);
 479         NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0)+4, val);
 480 
 481         NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1), 0);
 482         NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1)+4, 0);
 483 
 484         adapter->mc_enabled = 0;
 485         return 0;
 486 }
 487 
 488 static int
 489 netxen_nic_set_mcast_addr(struct netxen_adapter *adapter,
 490                 int index, u8 *addr)
 491 {
 492         u32 hi = 0, lo = 0;
 493         u16 port = adapter->physical_port;
 494 
 495         lo = MAC_LO(addr);
 496         hi = MAC_HI(addr);
 497 
 498         NXWR32(adapter, NETXEN_MCAST_ADDR(port, index), hi);
 499         NXWR32(adapter, NETXEN_MCAST_ADDR(port, index)+4, lo);
 500 
 501         return 0;
 502 }
 503 
 504 static void netxen_p2_nic_set_multi(struct net_device *netdev)
 505 {
 506         struct netxen_adapter *adapter = netdev_priv(netdev);
 507         struct netdev_hw_addr *ha;
 508         u8 null_addr[ETH_ALEN];
 509         int i;
 510 
 511         eth_zero_addr(null_addr);
 512 
 513         if (netdev->flags & IFF_PROMISC) {
 514 
 515                 adapter->set_promisc(adapter,
 516                                 NETXEN_NIU_PROMISC_MODE);
 517 
 518                 /* Full promiscuous mode */
 519                 netxen_nic_disable_mcast_filter(adapter);
 520 
 521                 return;
 522         }
 523 
 524         if (netdev_mc_empty(netdev)) {
 525                 adapter->set_promisc(adapter,
 526                                 NETXEN_NIU_NON_PROMISC_MODE);
 527                 netxen_nic_disable_mcast_filter(adapter);
 528                 return;
 529         }
 530 
 531         adapter->set_promisc(adapter, NETXEN_NIU_ALLMULTI_MODE);
 532         if (netdev->flags & IFF_ALLMULTI ||
 533                         netdev_mc_count(netdev) > adapter->max_mc_count) {
 534                 netxen_nic_disable_mcast_filter(adapter);
 535                 return;
 536         }
 537 
 538         netxen_nic_enable_mcast_filter(adapter);
 539 
 540         i = 0;
 541         netdev_for_each_mc_addr(ha, netdev)
 542                 netxen_nic_set_mcast_addr(adapter, i++, ha->addr);
 543 
 544         /* Clear out remaining addresses */
 545         while (i < adapter->max_mc_count)
 546                 netxen_nic_set_mcast_addr(adapter, i++, null_addr);
 547 }
 548 
 549 static int
 550 netxen_send_cmd_descs(struct netxen_adapter *adapter,
 551                 struct cmd_desc_type0 *cmd_desc_arr, int nr_desc)
 552 {
 553         u32 i, producer;
 554         struct netxen_cmd_buffer *pbuf;
 555         struct nx_host_tx_ring *tx_ring;
 556 
 557         i = 0;
 558 
 559         if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
 560                 return -EIO;
 561 
 562         tx_ring = adapter->tx_ring;
 563         __netif_tx_lock_bh(tx_ring->txq);
 564 
 565         producer = tx_ring->producer;
 566 
 567         if (nr_desc >= netxen_tx_avail(tx_ring)) {
 568                 netif_tx_stop_queue(tx_ring->txq);
 569                 smp_mb();
 570                 if (netxen_tx_avail(tx_ring) > nr_desc) {
 571                         if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH)
 572                                 netif_tx_wake_queue(tx_ring->txq);
 573                 } else {
 574                         __netif_tx_unlock_bh(tx_ring->txq);
 575                         return -EBUSY;
 576                 }
 577         }
 578 
 579         do {
 580                 pbuf = &tx_ring->cmd_buf_arr[producer];
 581                 pbuf->skb = NULL;
 582                 pbuf->frag_count = 0;
 583 
 584                 memcpy(&tx_ring->desc_head[producer],
 585                         &cmd_desc_arr[i], sizeof(struct cmd_desc_type0));
 586 
 587                 producer = get_next_index(producer, tx_ring->num_desc);
 588                 i++;
 589 
 590         } while (i != nr_desc);
 591 
 592         tx_ring->producer = producer;
 593 
 594         netxen_nic_update_cmd_producer(adapter, tx_ring);
 595 
 596         __netif_tx_unlock_bh(tx_ring->txq);
 597 
 598         return 0;
 599 }
 600 
 601 static int
 602 nx_p3_sre_macaddr_change(struct netxen_adapter *adapter, u8 *addr, unsigned op)
 603 {
 604         nx_nic_req_t req;
 605         nx_mac_req_t *mac_req;
 606         u64 word;
 607 
 608         memset(&req, 0, sizeof(nx_nic_req_t));
 609         req.qhdr = cpu_to_le64(NX_NIC_REQUEST << 23);
 610 
 611         word = NX_MAC_EVENT | ((u64)adapter->portnum << 16);
 612         req.req_hdr = cpu_to_le64(word);
 613 
 614         mac_req = (nx_mac_req_t *)&req.words[0];
 615         mac_req->op = op;
 616         memcpy(mac_req->mac_addr, addr, ETH_ALEN);
 617 
 618         return netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 619 }
 620 
 621 static int nx_p3_nic_add_mac(struct netxen_adapter *adapter,
 622                 const u8 *addr, struct list_head *del_list)
 623 {
 624         struct list_head *head;
 625         nx_mac_list_t *cur;
 626 
 627         /* look up if already exists */
 628         list_for_each(head, del_list) {
 629                 cur = list_entry(head, nx_mac_list_t, list);
 630 
 631                 if (ether_addr_equal(addr, cur->mac_addr)) {
 632                         list_move_tail(head, &adapter->mac_list);
 633                         return 0;
 634                 }
 635         }
 636 
 637         cur = kzalloc(sizeof(nx_mac_list_t), GFP_ATOMIC);
 638         if (cur == NULL)
 639                 return -ENOMEM;
 640 
 641         memcpy(cur->mac_addr, addr, ETH_ALEN);
 642         list_add_tail(&cur->list, &adapter->mac_list);
 643         return nx_p3_sre_macaddr_change(adapter,
 644                                 cur->mac_addr, NETXEN_MAC_ADD);
 645 }
 646 
 647 static void netxen_p3_nic_set_multi(struct net_device *netdev)
 648 {
 649         struct netxen_adapter *adapter = netdev_priv(netdev);
 650         struct netdev_hw_addr *ha;
 651         static const u8 bcast_addr[ETH_ALEN] = {
 652                 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
 653         };
 654         u32 mode = VPORT_MISS_MODE_DROP;
 655         LIST_HEAD(del_list);
 656         struct list_head *head;
 657         nx_mac_list_t *cur;
 658 
 659         if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
 660                 return;
 661 
 662         list_splice_tail_init(&adapter->mac_list, &del_list);
 663 
 664         nx_p3_nic_add_mac(adapter, adapter->mac_addr, &del_list);
 665         nx_p3_nic_add_mac(adapter, bcast_addr, &del_list);
 666 
 667         if (netdev->flags & IFF_PROMISC) {
 668                 mode = VPORT_MISS_MODE_ACCEPT_ALL;
 669                 goto send_fw_cmd;
 670         }
 671 
 672         if ((netdev->flags & IFF_ALLMULTI) ||
 673                         (netdev_mc_count(netdev) > adapter->max_mc_count)) {
 674                 mode = VPORT_MISS_MODE_ACCEPT_MULTI;
 675                 goto send_fw_cmd;
 676         }
 677 
 678         if (!netdev_mc_empty(netdev)) {
 679                 netdev_for_each_mc_addr(ha, netdev)
 680                         nx_p3_nic_add_mac(adapter, ha->addr, &del_list);
 681         }
 682 
 683 send_fw_cmd:
 684         adapter->set_promisc(adapter, mode);
 685         head = &del_list;
 686         while (!list_empty(head)) {
 687                 cur = list_entry(head->next, nx_mac_list_t, list);
 688 
 689                 nx_p3_sre_macaddr_change(adapter,
 690                                 cur->mac_addr, NETXEN_MAC_DEL);
 691                 list_del(&cur->list);
 692                 kfree(cur);
 693         }
 694 }
 695 
 696 static int netxen_p3_nic_set_promisc(struct netxen_adapter *adapter, u32 mode)
 697 {
 698         nx_nic_req_t req;
 699         u64 word;
 700 
 701         memset(&req, 0, sizeof(nx_nic_req_t));
 702 
 703         req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
 704 
 705         word = NX_NIC_H2C_OPCODE_PROXY_SET_VPORT_MISS_MODE |
 706                         ((u64)adapter->portnum << 16);
 707         req.req_hdr = cpu_to_le64(word);
 708 
 709         req.words[0] = cpu_to_le64(mode);
 710 
 711         return netxen_send_cmd_descs(adapter,
 712                                 (struct cmd_desc_type0 *)&req, 1);
 713 }
 714 
 715 void netxen_p3_free_mac_list(struct netxen_adapter *adapter)
 716 {
 717         nx_mac_list_t *cur;
 718         struct list_head *head = &adapter->mac_list;
 719 
 720         while (!list_empty(head)) {
 721                 cur = list_entry(head->next, nx_mac_list_t, list);
 722                 nx_p3_sre_macaddr_change(adapter,
 723                                 cur->mac_addr, NETXEN_MAC_DEL);
 724                 list_del(&cur->list);
 725                 kfree(cur);
 726         }
 727 }
 728 
 729 static int netxen_p3_nic_set_mac_addr(struct netxen_adapter *adapter, u8 *addr)
 730 {
 731         /* assuming caller has already copied new addr to netdev */
 732         netxen_p3_nic_set_multi(adapter->netdev);
 733         return 0;
 734 }
 735 
 736 #define NETXEN_CONFIG_INTR_COALESCE     3
 737 
 738 /*
 739  * Send the interrupt coalescing parameter set by ethtool to the card.
 740  */
 741 int netxen_config_intr_coalesce(struct netxen_adapter *adapter)
 742 {
 743         nx_nic_req_t req;
 744         u64 word[6];
 745         int rv, i;
 746 
 747         memset(&req, 0, sizeof(nx_nic_req_t));
 748         memset(word, 0, sizeof(word));
 749 
 750         req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
 751 
 752         word[0] = NETXEN_CONFIG_INTR_COALESCE | ((u64)adapter->portnum << 16);
 753         req.req_hdr = cpu_to_le64(word[0]);
 754 
 755         memcpy(&word[0], &adapter->coal, sizeof(adapter->coal));
 756         for (i = 0; i < 6; i++)
 757                 req.words[i] = cpu_to_le64(word[i]);
 758 
 759         rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 760         if (rv != 0) {
 761                 printk(KERN_ERR "ERROR. Could not send "
 762                         "interrupt coalescing parameters\n");
 763         }
 764 
 765         return rv;
 766 }
 767 
 768 int netxen_config_hw_lro(struct netxen_adapter *adapter, int enable)
 769 {
 770         nx_nic_req_t req;
 771         u64 word;
 772         int rv = 0;
 773 
 774         if (!test_bit(__NX_FW_ATTACHED, &adapter->state))
 775                 return 0;
 776 
 777         memset(&req, 0, sizeof(nx_nic_req_t));
 778 
 779         req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
 780 
 781         word = NX_NIC_H2C_OPCODE_CONFIG_HW_LRO | ((u64)adapter->portnum << 16);
 782         req.req_hdr = cpu_to_le64(word);
 783 
 784         req.words[0] = cpu_to_le64(enable);
 785 
 786         rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 787         if (rv != 0) {
 788                 printk(KERN_ERR "ERROR. Could not send "
 789                         "configure hw lro request\n");
 790         }
 791 
 792         return rv;
 793 }
 794 
 795 int netxen_config_bridged_mode(struct netxen_adapter *adapter, int enable)
 796 {
 797         nx_nic_req_t req;
 798         u64 word;
 799         int rv = 0;
 800 
 801         if (!!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED) == enable)
 802                 return rv;
 803 
 804         memset(&req, 0, sizeof(nx_nic_req_t));
 805 
 806         req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
 807 
 808         word = NX_NIC_H2C_OPCODE_CONFIG_BRIDGING |
 809                 ((u64)adapter->portnum << 16);
 810         req.req_hdr = cpu_to_le64(word);
 811 
 812         req.words[0] = cpu_to_le64(enable);
 813 
 814         rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 815         if (rv != 0) {
 816                 printk(KERN_ERR "ERROR. Could not send "
 817                                 "configure bridge mode request\n");
 818         }
 819 
 820         adapter->flags ^= NETXEN_NIC_BRIDGE_ENABLED;
 821 
 822         return rv;
 823 }
 824 
 825 
 826 #define RSS_HASHTYPE_IP_TCP     0x3
 827 
 828 int netxen_config_rss(struct netxen_adapter *adapter, int enable)
 829 {
 830         nx_nic_req_t req;
 831         u64 word;
 832         int i, rv;
 833 
 834         static const u64 key[] = {
 835                 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL,
 836                 0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL,
 837                 0x255b0ec26d5a56daULL
 838         };
 839 
 840 
 841         memset(&req, 0, sizeof(nx_nic_req_t));
 842         req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
 843 
 844         word = NX_NIC_H2C_OPCODE_CONFIG_RSS | ((u64)adapter->portnum << 16);
 845         req.req_hdr = cpu_to_le64(word);
 846 
 847         /*
 848          * RSS request:
 849          * bits 3-0: hash_method
 850          *      5-4: hash_type_ipv4
 851          *      7-6: hash_type_ipv6
 852          *        8: enable
 853          *        9: use indirection table
 854          *    47-10: reserved
 855          *    63-48: indirection table mask
 856          */
 857         word =  ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) |
 858                 ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) |
 859                 ((u64)(enable & 0x1) << 8) |
 860                 ((0x7ULL) << 48);
 861         req.words[0] = cpu_to_le64(word);
 862         for (i = 0; i < ARRAY_SIZE(key); i++)
 863                 req.words[i+1] = cpu_to_le64(key[i]);
 864 
 865 
 866         rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 867         if (rv != 0) {
 868                 printk(KERN_ERR "%s: could not configure RSS\n",
 869                                 adapter->netdev->name);
 870         }
 871 
 872         return rv;
 873 }
 874 
 875 int netxen_config_ipaddr(struct netxen_adapter *adapter, __be32 ip, int cmd)
 876 {
 877         nx_nic_req_t req;
 878         u64 word;
 879         int rv;
 880 
 881         memset(&req, 0, sizeof(nx_nic_req_t));
 882         req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
 883 
 884         word = NX_NIC_H2C_OPCODE_CONFIG_IPADDR | ((u64)adapter->portnum << 16);
 885         req.req_hdr = cpu_to_le64(word);
 886 
 887         req.words[0] = cpu_to_le64(cmd);
 888         memcpy(&req.words[1], &ip, sizeof(u32));
 889 
 890         rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 891         if (rv != 0) {
 892                 printk(KERN_ERR "%s: could not notify %s IP 0x%x request\n",
 893                                 adapter->netdev->name,
 894                                 (cmd == NX_IP_UP) ? "Add" : "Remove", ip);
 895         }
 896         return rv;
 897 }
 898 
 899 int netxen_linkevent_request(struct netxen_adapter *adapter, int enable)
 900 {
 901         nx_nic_req_t req;
 902         u64 word;
 903         int rv;
 904 
 905         memset(&req, 0, sizeof(nx_nic_req_t));
 906         req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
 907 
 908         word = NX_NIC_H2C_OPCODE_GET_LINKEVENT | ((u64)adapter->portnum << 16);
 909         req.req_hdr = cpu_to_le64(word);
 910         req.words[0] = cpu_to_le64(enable | (enable << 8));
 911 
 912         rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 913         if (rv != 0) {
 914                 printk(KERN_ERR "%s: could not configure link notification\n",
 915                                 adapter->netdev->name);
 916         }
 917 
 918         return rv;
 919 }
 920 
 921 int netxen_send_lro_cleanup(struct netxen_adapter *adapter)
 922 {
 923         nx_nic_req_t req;
 924         u64 word;
 925         int rv;
 926 
 927         if (!test_bit(__NX_FW_ATTACHED, &adapter->state))
 928                 return 0;
 929 
 930         memset(&req, 0, sizeof(nx_nic_req_t));
 931         req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
 932 
 933         word = NX_NIC_H2C_OPCODE_LRO_REQUEST |
 934                 ((u64)adapter->portnum << 16) |
 935                 ((u64)NX_NIC_LRO_REQUEST_CLEANUP << 56) ;
 936 
 937         req.req_hdr = cpu_to_le64(word);
 938 
 939         rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 940         if (rv != 0) {
 941                 printk(KERN_ERR "%s: could not cleanup lro flows\n",
 942                                 adapter->netdev->name);
 943         }
 944         return rv;
 945 }
 946 
 947 /*
 948  * netxen_nic_change_mtu - Change the Maximum Transfer Unit
 949  * @returns 0 on success, negative on failure
 950  */
 951 
 952 #define MTU_FUDGE_FACTOR        100
 953 
 954 int netxen_nic_change_mtu(struct net_device *netdev, int mtu)
 955 {
 956         struct netxen_adapter *adapter = netdev_priv(netdev);
 957         int rc = 0;
 958 
 959         if (adapter->set_mtu)
 960                 rc = adapter->set_mtu(adapter, mtu);
 961 
 962         if (!rc)
 963                 netdev->mtu = mtu;
 964 
 965         return rc;
 966 }
 967 
 968 static int netxen_get_flash_block(struct netxen_adapter *adapter, int base,
 969                                   int size, __le32 * buf)
 970 {
 971         int i, v, addr;
 972         __le32 *ptr32;
 973         int ret;
 974 
 975         addr = base;
 976         ptr32 = buf;
 977         for (i = 0; i < size / sizeof(u32); i++) {
 978                 ret = netxen_rom_fast_read(adapter, addr, &v);
 979                 if (ret)
 980                         return ret;
 981 
 982                 *ptr32 = cpu_to_le32(v);
 983                 ptr32++;
 984                 addr += sizeof(u32);
 985         }
 986         if ((char *)buf + size > (char *)ptr32) {
 987                 __le32 local;
 988                 ret = netxen_rom_fast_read(adapter, addr, &v);
 989                 if (ret)
 990                         return ret;
 991                 local = cpu_to_le32(v);
 992                 memcpy(ptr32, &local, (char *)buf + size - (char *)ptr32);
 993         }
 994 
 995         return 0;
 996 }
 997 
 998 int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, u64 *mac)
 999 {
1000         __le32 *pmac = (__le32 *) mac;
1001         u32 offset;
1002 
1003         offset = NX_FW_MAC_ADDR_OFFSET + (adapter->portnum * sizeof(u64));
1004 
1005         if (netxen_get_flash_block(adapter, offset, sizeof(u64), pmac) == -1)
1006                 return -1;
1007 
1008         if (*mac == ~0ULL) {
1009 
1010                 offset = NX_OLD_MAC_ADDR_OFFSET +
1011                         (adapter->portnum * sizeof(u64));
1012 
1013                 if (netxen_get_flash_block(adapter,
1014                                         offset, sizeof(u64), pmac) == -1)
1015                         return -1;
1016 
1017                 if (*mac == ~0ULL)
1018                         return -1;
1019         }
1020         return 0;
1021 }
1022 
1023 int netxen_p3_get_mac_addr(struct netxen_adapter *adapter, u64 *mac)
1024 {
1025         uint32_t crbaddr, mac_hi, mac_lo;
1026         int pci_func = adapter->ahw.pci_func;
1027 
1028         crbaddr = CRB_MAC_BLOCK_START +
1029                 (4 * ((pci_func/2) * 3)) + (4 * (pci_func & 1));
1030 
1031         mac_lo = NXRD32(adapter, crbaddr);
1032         mac_hi = NXRD32(adapter, crbaddr+4);
1033 
1034         if (pci_func & 1)
1035                 *mac = le64_to_cpu((mac_lo >> 16) | ((u64)mac_hi << 16));
1036         else
1037                 *mac = le64_to_cpu((u64)mac_lo | ((u64)mac_hi << 32));
1038 
1039         return 0;
1040 }
1041 
1042 /*
1043  * Changes the CRB window to the specified window.
1044  */
1045 static void
1046 netxen_nic_pci_set_crbwindow_128M(struct netxen_adapter *adapter,
1047                 u32 window)
1048 {
1049         void __iomem *offset;
1050         int count = 10;
1051         u8 func = adapter->ahw.pci_func;
1052 
1053         if (adapter->ahw.crb_win == window)
1054                 return;
1055 
1056         offset = PCI_OFFSET_SECOND_RANGE(adapter,
1057                         NETXEN_PCIX_PH_REG(PCIE_CRB_WINDOW_REG(func)));
1058 
1059         writel(window, offset);
1060         do {
1061                 if (window == readl(offset))
1062                         break;
1063 
1064                 if (printk_ratelimit())
1065                         dev_warn(&adapter->pdev->dev,
1066                                         "failed to set CRB window to %d\n",
1067                                         (window == NETXEN_WINDOW_ONE));
1068                 udelay(1);
1069 
1070         } while (--count > 0);
1071 
1072         if (count > 0)
1073                 adapter->ahw.crb_win = window;
1074 }
1075 
1076 /*
1077  * Returns < 0 if off is not valid,
1078  *       1 if window access is needed. 'off' is set to offset from
1079  *         CRB space in 128M pci map
1080  *       0 if no window access is needed. 'off' is set to 2M addr
1081  * In: 'off' is offset from base in 128M pci map
1082  */
1083 static int
1084 netxen_nic_pci_get_crb_addr_2M(struct netxen_adapter *adapter,
1085                 ulong off, void __iomem **addr)
1086 {
1087         crb_128M_2M_sub_block_map_t *m;
1088 
1089 
1090         if ((off >= NETXEN_CRB_MAX) || (off < NETXEN_PCI_CRBSPACE))
1091                 return -EINVAL;
1092 
1093         off -= NETXEN_PCI_CRBSPACE;
1094 
1095         /*
1096          * Try direct map
1097          */
1098         m = &crb_128M_2M_map[CRB_BLK(off)].sub_block[CRB_SUBBLK(off)];
1099 
1100         if (m->valid && (m->start_128M <= off) && (m->end_128M > off)) {
1101                 *addr = adapter->ahw.pci_base0 + m->start_2M +
1102                         (off - m->start_128M);
1103                 return 0;
1104         }
1105 
1106         /*
1107          * Not in direct map, use crb window
1108          */
1109         *addr = adapter->ahw.pci_base0 + CRB_INDIRECT_2M +
1110                 (off & MASK(16));
1111         return 1;
1112 }
1113 
1114 /*
1115  * In: 'off' is offset from CRB space in 128M pci map
1116  * Out: 'off' is 2M pci map addr
1117  * side effect: lock crb window
1118  */
1119 static void
1120 netxen_nic_pci_set_crbwindow_2M(struct netxen_adapter *adapter, ulong off)
1121 {
1122         u32 window;
1123         void __iomem *addr = adapter->ahw.pci_base0 + CRB_WINDOW_2M;
1124 
1125         off -= NETXEN_PCI_CRBSPACE;
1126 
1127         window = CRB_HI(off);
1128 
1129         writel(window, addr);
1130         if (readl(addr) != window) {
1131                 if (printk_ratelimit())
1132                         dev_warn(&adapter->pdev->dev,
1133                                 "failed to set CRB window to %d off 0x%lx\n",
1134                                 window, off);
1135         }
1136 }
1137 
1138 static void __iomem *
1139 netxen_nic_map_indirect_address_128M(struct netxen_adapter *adapter,
1140                 ulong win_off, void __iomem **mem_ptr)
1141 {
1142         ulong off = win_off;
1143         void __iomem *addr;
1144         resource_size_t mem_base;
1145 
1146         if (ADDR_IN_WINDOW1(win_off))
1147                 off = NETXEN_CRB_NORMAL(win_off);
1148 
1149         addr = pci_base_offset(adapter, off);
1150         if (addr)
1151                 return addr;
1152 
1153         if (adapter->ahw.pci_len0 == 0)
1154                 off -= NETXEN_PCI_CRBSPACE;
1155 
1156         mem_base = pci_resource_start(adapter->pdev, 0);
1157         *mem_ptr = ioremap(mem_base + (off & PAGE_MASK), PAGE_SIZE);
1158         if (*mem_ptr)
1159                 addr = *mem_ptr + (off & (PAGE_SIZE - 1));
1160 
1161         return addr;
1162 }
1163 
1164 static int
1165 netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter, ulong off, u32 data)
1166 {
1167         unsigned long flags;
1168         void __iomem *addr, *mem_ptr = NULL;
1169 
1170         addr = netxen_nic_map_indirect_address_128M(adapter, off, &mem_ptr);
1171         if (!addr)
1172                 return -EIO;
1173 
1174         if (ADDR_IN_WINDOW1(off)) { /* Window 1 */
1175                 netxen_nic_io_write_128M(adapter, addr, data);
1176         } else {        /* Window 0 */
1177                 write_lock_irqsave(&adapter->ahw.crb_lock, flags);
1178                 netxen_nic_pci_set_crbwindow_128M(adapter, 0);
1179                 writel(data, addr);
1180                 netxen_nic_pci_set_crbwindow_128M(adapter,
1181                                 NETXEN_WINDOW_ONE);
1182                 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
1183         }
1184 
1185         if (mem_ptr)
1186                 iounmap(mem_ptr);
1187 
1188         return 0;
1189 }
1190 
1191 static u32
1192 netxen_nic_hw_read_wx_128M(struct netxen_adapter *adapter, ulong off)
1193 {
1194         unsigned long flags;
1195         void __iomem *addr, *mem_ptr = NULL;
1196         u32 data;
1197 
1198         addr = netxen_nic_map_indirect_address_128M(adapter, off, &mem_ptr);
1199         if (!addr)
1200                 return -EIO;
1201 
1202         if (ADDR_IN_WINDOW1(off)) { /* Window 1 */
1203                 data = netxen_nic_io_read_128M(adapter, addr);
1204         } else {        /* Window 0 */
1205                 write_lock_irqsave(&adapter->ahw.crb_lock, flags);
1206                 netxen_nic_pci_set_crbwindow_128M(adapter, 0);
1207                 data = readl(addr);
1208                 netxen_nic_pci_set_crbwindow_128M(adapter,
1209                                 NETXEN_WINDOW_ONE);
1210                 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
1211         }
1212 
1213         if (mem_ptr)
1214                 iounmap(mem_ptr);
1215 
1216         return data;
1217 }
1218 
1219 static int
1220 netxen_nic_hw_write_wx_2M(struct netxen_adapter *adapter, ulong off, u32 data)
1221 {
1222         unsigned long flags;
1223         int rv;
1224         void __iomem *addr = NULL;
1225 
1226         rv = netxen_nic_pci_get_crb_addr_2M(adapter, off, &addr);
1227 
1228         if (rv == 0) {
1229                 writel(data, addr);
1230                 return 0;
1231         }
1232 
1233         if (rv > 0) {
1234                 /* indirect access */
1235                 write_lock_irqsave(&adapter->ahw.crb_lock, flags);
1236                 crb_win_lock(adapter);
1237                 netxen_nic_pci_set_crbwindow_2M(adapter, off);
1238                 writel(data, addr);
1239                 crb_win_unlock(adapter);
1240                 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
1241                 return 0;
1242         }
1243 
1244         dev_err(&adapter->pdev->dev,
1245                         "%s: invalid offset: 0x%016lx\n", __func__, off);
1246         dump_stack();
1247         return -EIO;
1248 }
1249 
1250 static u32
1251 netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter, ulong off)
1252 {
1253         unsigned long flags;
1254         int rv;
1255         u32 data;
1256         void __iomem *addr = NULL;
1257 
1258         rv = netxen_nic_pci_get_crb_addr_2M(adapter, off, &addr);
1259 
1260         if (rv == 0)
1261                 return readl(addr);
1262 
1263         if (rv > 0) {
1264                 /* indirect access */
1265                 write_lock_irqsave(&adapter->ahw.crb_lock, flags);
1266                 crb_win_lock(adapter);
1267                 netxen_nic_pci_set_crbwindow_2M(adapter, off);
1268                 data = readl(addr);
1269                 crb_win_unlock(adapter);
1270                 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
1271                 return data;
1272         }
1273 
1274         dev_err(&adapter->pdev->dev,
1275                         "%s: invalid offset: 0x%016lx\n", __func__, off);
1276         dump_stack();
1277         return -1;
1278 }
1279 
1280 /* window 1 registers only */
1281 static void netxen_nic_io_write_128M(struct netxen_adapter *adapter,
1282                 void __iomem *addr, u32 data)
1283 {
1284         read_lock(&adapter->ahw.crb_lock);
1285         writel(data, addr);
1286         read_unlock(&adapter->ahw.crb_lock);
1287 }
1288 
1289 static u32 netxen_nic_io_read_128M(struct netxen_adapter *adapter,
1290                 void __iomem *addr)
1291 {
1292         u32 val;
1293 
1294         read_lock(&adapter->ahw.crb_lock);
1295         val = readl(addr);
1296         read_unlock(&adapter->ahw.crb_lock);
1297 
1298         return val;
1299 }
1300 
1301 static void netxen_nic_io_write_2M(struct netxen_adapter *adapter,
1302                 void __iomem *addr, u32 data)
1303 {
1304         writel(data, addr);
1305 }
1306 
1307 static u32 netxen_nic_io_read_2M(struct netxen_adapter *adapter,
1308                 void __iomem *addr)
1309 {
1310         return readl(addr);
1311 }
1312 
1313 void __iomem *
1314 netxen_get_ioaddr(struct netxen_adapter *adapter, u32 offset)
1315 {
1316         void __iomem *addr = NULL;
1317 
1318         if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1319                 if ((offset < NETXEN_CRB_PCIX_HOST2) &&
1320                                 (offset > NETXEN_CRB_PCIX_HOST))
1321                         addr = PCI_OFFSET_SECOND_RANGE(adapter, offset);
1322                 else
1323                         addr = NETXEN_CRB_NORMALIZE(adapter, offset);
1324         } else {
1325                 WARN_ON(netxen_nic_pci_get_crb_addr_2M(adapter,
1326                                         offset, &addr));
1327         }
1328 
1329         return addr;
1330 }
1331 
1332 static int
1333 netxen_nic_pci_set_window_128M(struct netxen_adapter *adapter,
1334                 u64 addr, u32 *start)
1335 {
1336         if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
1337                 *start = (addr - NETXEN_ADDR_OCM0  + NETXEN_PCI_OCM0);
1338                 return 0;
1339         } else if (ADDR_IN_RANGE(addr,
1340                                 NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
1341                 *start = (addr - NETXEN_ADDR_OCM1 + NETXEN_PCI_OCM1);
1342                 return 0;
1343         }
1344 
1345         return -EIO;
1346 }
1347 
1348 static int
1349 netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter,
1350                 u64 addr, u32 *start)
1351 {
1352         u32 window;
1353 
1354         window = OCM_WIN(addr);
1355 
1356         writel(window, adapter->ahw.ocm_win_crb);
1357         /* read back to flush */
1358         readl(adapter->ahw.ocm_win_crb);
1359 
1360         adapter->ahw.ocm_win = window;
1361         *start = NETXEN_PCI_OCM0_2M + GET_MEM_OFFS_2M(addr);
1362         return 0;
1363 }
1364 
1365 static int
1366 netxen_nic_pci_mem_access_direct(struct netxen_adapter *adapter, u64 off,
1367                 u64 *data, int op)
1368 {
1369         void __iomem *addr, *mem_ptr = NULL;
1370         resource_size_t mem_base;
1371         int ret;
1372         u32 start;
1373 
1374         spin_lock(&adapter->ahw.mem_lock);
1375 
1376         ret = adapter->pci_set_window(adapter, off, &start);
1377         if (ret != 0)
1378                 goto unlock;
1379 
1380         if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
1381                 addr = adapter->ahw.pci_base0 + start;
1382         } else {
1383                 addr = pci_base_offset(adapter, start);
1384                 if (addr)
1385                         goto noremap;
1386 
1387                 mem_base = pci_resource_start(adapter->pdev, 0) +
1388                                         (start & PAGE_MASK);
1389                 mem_ptr = ioremap(mem_base, PAGE_SIZE);
1390                 if (mem_ptr == NULL) {
1391                         ret = -EIO;
1392                         goto unlock;
1393                 }
1394 
1395                 addr = mem_ptr + (start & (PAGE_SIZE-1));
1396         }
1397 noremap:
1398         if (op == 0)    /* read */
1399                 *data = readq(addr);
1400         else            /* write */
1401                 writeq(*data, addr);
1402 
1403 unlock:
1404         spin_unlock(&adapter->ahw.mem_lock);
1405 
1406         if (mem_ptr)
1407                 iounmap(mem_ptr);
1408         return ret;
1409 }
1410 
1411 void
1412 netxen_pci_camqm_read_2M(struct netxen_adapter *adapter, u64 off, u64 *data)
1413 {
1414         void __iomem *addr = adapter->ahw.pci_base0 +
1415                 NETXEN_PCI_CAMQM_2M_BASE + (off - NETXEN_PCI_CAMQM);
1416 
1417         spin_lock(&adapter->ahw.mem_lock);
1418         *data = readq(addr);
1419         spin_unlock(&adapter->ahw.mem_lock);
1420 }
1421 
1422 void
1423 netxen_pci_camqm_write_2M(struct netxen_adapter *adapter, u64 off, u64 data)
1424 {
1425         void __iomem *addr = adapter->ahw.pci_base0 +
1426                 NETXEN_PCI_CAMQM_2M_BASE + (off - NETXEN_PCI_CAMQM);
1427 
1428         spin_lock(&adapter->ahw.mem_lock);
1429         writeq(data, addr);
1430         spin_unlock(&adapter->ahw.mem_lock);
1431 }
1432 
1433 #define MAX_CTL_CHECK   1000
1434 
1435 static int
1436 netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter,
1437                 u64 off, u64 data)
1438 {
1439         int j, ret;
1440         u32 temp, off_lo, off_hi, addr_hi, data_hi, data_lo;
1441         void __iomem *mem_crb;
1442 
1443         /* Only 64-bit aligned access */
1444         if (off & 7)
1445                 return -EIO;
1446 
1447         /* P2 has different SIU and MIU test agent base addr */
1448         if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
1449                                 NETXEN_ADDR_QDR_NET_MAX_P2)) {
1450                 mem_crb = pci_base_offset(adapter,
1451                                 NETXEN_CRB_QDR_NET+SIU_TEST_AGT_BASE);
1452                 addr_hi = SIU_TEST_AGT_ADDR_HI;
1453                 data_lo = SIU_TEST_AGT_WRDATA_LO;
1454                 data_hi = SIU_TEST_AGT_WRDATA_HI;
1455                 off_lo = off & SIU_TEST_AGT_ADDR_MASK;
1456                 off_hi = SIU_TEST_AGT_UPPER_ADDR(off);
1457                 goto correct;
1458         }
1459 
1460         if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
1461                 mem_crb = pci_base_offset(adapter,
1462                                 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE);
1463                 addr_hi = MIU_TEST_AGT_ADDR_HI;
1464                 data_lo = MIU_TEST_AGT_WRDATA_LO;
1465                 data_hi = MIU_TEST_AGT_WRDATA_HI;
1466                 off_lo = off & MIU_TEST_AGT_ADDR_MASK;
1467                 off_hi = 0;
1468                 goto correct;
1469         }
1470 
1471         if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX) ||
1472                 ADDR_IN_RANGE(off, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
1473                 if (adapter->ahw.pci_len0 != 0) {
1474                         return netxen_nic_pci_mem_access_direct(adapter,
1475                                         off, &data, 1);
1476                 }
1477         }
1478 
1479         return -EIO;
1480 
1481 correct:
1482         spin_lock(&adapter->ahw.mem_lock);
1483         netxen_nic_pci_set_crbwindow_128M(adapter, 0);
1484 
1485         writel(off_lo, (mem_crb + MIU_TEST_AGT_ADDR_LO));
1486         writel(off_hi, (mem_crb + addr_hi));
1487         writel(data & 0xffffffff, (mem_crb + data_lo));
1488         writel((data >> 32) & 0xffffffff, (mem_crb + data_hi));
1489         writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL));
1490         writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE),
1491                         (mem_crb + TEST_AGT_CTRL));
1492 
1493         for (j = 0; j < MAX_CTL_CHECK; j++) {
1494                 temp = readl((mem_crb + TEST_AGT_CTRL));
1495                 if ((temp & TA_CTL_BUSY) == 0)
1496                         break;
1497         }
1498 
1499         if (j >= MAX_CTL_CHECK) {
1500                 if (printk_ratelimit())
1501                         dev_err(&adapter->pdev->dev,
1502                                         "failed to write through agent\n");
1503                 ret = -EIO;
1504         } else
1505                 ret = 0;
1506 
1507         netxen_nic_pci_set_crbwindow_128M(adapter, NETXEN_WINDOW_ONE);
1508         spin_unlock(&adapter->ahw.mem_lock);
1509         return ret;
1510 }
1511 
1512 static int
1513 netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter,
1514                 u64 off, u64 *data)
1515 {
1516         int j, ret;
1517         u32 temp, off_lo, off_hi, addr_hi, data_hi, data_lo;
1518         u64 val;
1519         void __iomem *mem_crb;
1520 
1521         /* Only 64-bit aligned access */
1522         if (off & 7)
1523                 return -EIO;
1524 
1525         /* P2 has different SIU and MIU test agent base addr */
1526         if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
1527                                 NETXEN_ADDR_QDR_NET_MAX_P2)) {
1528                 mem_crb = pci_base_offset(adapter,
1529                                 NETXEN_CRB_QDR_NET+SIU_TEST_AGT_BASE);
1530                 addr_hi = SIU_TEST_AGT_ADDR_HI;
1531                 data_lo = SIU_TEST_AGT_RDDATA_LO;
1532                 data_hi = SIU_TEST_AGT_RDDATA_HI;
1533                 off_lo = off & SIU_TEST_AGT_ADDR_MASK;
1534                 off_hi = SIU_TEST_AGT_UPPER_ADDR(off);
1535                 goto correct;
1536         }
1537 
1538         if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
1539                 mem_crb = pci_base_offset(adapter,
1540                                 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE);
1541                 addr_hi = MIU_TEST_AGT_ADDR_HI;
1542                 data_lo = MIU_TEST_AGT_RDDATA_LO;
1543                 data_hi = MIU_TEST_AGT_RDDATA_HI;
1544                 off_lo = off & MIU_TEST_AGT_ADDR_MASK;
1545                 off_hi = 0;
1546                 goto correct;
1547         }
1548 
1549         if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX) ||
1550                 ADDR_IN_RANGE(off, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
1551                 if (adapter->ahw.pci_len0 != 0) {
1552                         return netxen_nic_pci_mem_access_direct(adapter,
1553                                         off, data, 0);
1554                 }
1555         }
1556 
1557         return -EIO;
1558 
1559 correct:
1560         spin_lock(&adapter->ahw.mem_lock);
1561         netxen_nic_pci_set_crbwindow_128M(adapter, 0);
1562 
1563         writel(off_lo, (mem_crb + MIU_TEST_AGT_ADDR_LO));
1564         writel(off_hi, (mem_crb + addr_hi));
1565         writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL));
1566         writel((TA_CTL_START|TA_CTL_ENABLE), (mem_crb + TEST_AGT_CTRL));
1567 
1568         for (j = 0; j < MAX_CTL_CHECK; j++) {
1569                 temp = readl(mem_crb + TEST_AGT_CTRL);
1570                 if ((temp & TA_CTL_BUSY) == 0)
1571                         break;
1572         }
1573 
1574         if (j >= MAX_CTL_CHECK) {
1575                 if (printk_ratelimit())
1576                         dev_err(&adapter->pdev->dev,
1577                                         "failed to read through agent\n");
1578                 ret = -EIO;
1579         } else {
1580 
1581                 temp = readl(mem_crb + data_hi);
1582                 val = ((u64)temp << 32);
1583                 val |= readl(mem_crb + data_lo);
1584                 *data = val;
1585                 ret = 0;
1586         }
1587 
1588         netxen_nic_pci_set_crbwindow_128M(adapter, NETXEN_WINDOW_ONE);
1589         spin_unlock(&adapter->ahw.mem_lock);
1590 
1591         return ret;
1592 }
1593 
1594 static int
1595 netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter,
1596                 u64 off, u64 data)
1597 {
1598         int j, ret;
1599         u32 temp, off8;
1600         void __iomem *mem_crb;
1601 
1602         /* Only 64-bit aligned access */
1603         if (off & 7)
1604                 return -EIO;
1605 
1606         /* P3 onward, test agent base for MIU and SIU is same */
1607         if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
1608                                 NETXEN_ADDR_QDR_NET_MAX_P3)) {
1609                 mem_crb = netxen_get_ioaddr(adapter,
1610                                 NETXEN_CRB_QDR_NET+MIU_TEST_AGT_BASE);
1611                 goto correct;
1612         }
1613 
1614         if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
1615                 mem_crb = netxen_get_ioaddr(adapter,
1616                                 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE);
1617                 goto correct;
1618         }
1619 
1620         if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX))
1621                 return netxen_nic_pci_mem_access_direct(adapter, off, &data, 1);
1622 
1623         return -EIO;
1624 
1625 correct:
1626         off8 = off & 0xfffffff8;
1627 
1628         spin_lock(&adapter->ahw.mem_lock);
1629 
1630         writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
1631         writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
1632 
1633         writel(data & 0xffffffff,
1634                         mem_crb + MIU_TEST_AGT_WRDATA_LO);
1635         writel((data >> 32) & 0xffffffff,
1636                         mem_crb + MIU_TEST_AGT_WRDATA_HI);
1637 
1638         writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL));
1639         writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE),
1640                         (mem_crb + TEST_AGT_CTRL));
1641 
1642         for (j = 0; j < MAX_CTL_CHECK; j++) {
1643                 temp = readl(mem_crb + TEST_AGT_CTRL);
1644                 if ((temp & TA_CTL_BUSY) == 0)
1645                         break;
1646         }
1647 
1648         if (j >= MAX_CTL_CHECK) {
1649                 if (printk_ratelimit())
1650                         dev_err(&adapter->pdev->dev,
1651                                         "failed to write through agent\n");
1652                 ret = -EIO;
1653         } else
1654                 ret = 0;
1655 
1656         spin_unlock(&adapter->ahw.mem_lock);
1657 
1658         return ret;
1659 }
1660 
1661 static int
1662 netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter,
1663                 u64 off, u64 *data)
1664 {
1665         int j, ret;
1666         u32 temp, off8;
1667         u64 val;
1668         void __iomem *mem_crb;
1669 
1670         /* Only 64-bit aligned access */
1671         if (off & 7)
1672                 return -EIO;
1673 
1674         /* P3 onward, test agent base for MIU and SIU is same */
1675         if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
1676                                 NETXEN_ADDR_QDR_NET_MAX_P3)) {
1677                 mem_crb = netxen_get_ioaddr(adapter,
1678                                 NETXEN_CRB_QDR_NET+MIU_TEST_AGT_BASE);
1679                 goto correct;
1680         }
1681 
1682         if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
1683                 mem_crb = netxen_get_ioaddr(adapter,
1684                                 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE);
1685                 goto correct;
1686         }
1687 
1688         if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
1689                 return netxen_nic_pci_mem_access_direct(adapter,
1690                                 off, data, 0);
1691         }
1692 
1693         return -EIO;
1694 
1695 correct:
1696         off8 = off & 0xfffffff8;
1697 
1698         spin_lock(&adapter->ahw.mem_lock);
1699 
1700         writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
1701         writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
1702         writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL));
1703         writel((TA_CTL_START | TA_CTL_ENABLE), (mem_crb + TEST_AGT_CTRL));
1704 
1705         for (j = 0; j < MAX_CTL_CHECK; j++) {
1706                 temp = readl(mem_crb + TEST_AGT_CTRL);
1707                 if ((temp & TA_CTL_BUSY) == 0)
1708                         break;
1709         }
1710 
1711         if (j >= MAX_CTL_CHECK) {
1712                 if (printk_ratelimit())
1713                         dev_err(&adapter->pdev->dev,
1714                                         "failed to read through agent\n");
1715                 ret = -EIO;
1716         } else {
1717                 val = (u64)(readl(mem_crb + MIU_TEST_AGT_RDDATA_HI)) << 32;
1718                 val |= readl(mem_crb + MIU_TEST_AGT_RDDATA_LO);
1719                 *data = val;
1720                 ret = 0;
1721         }
1722 
1723         spin_unlock(&adapter->ahw.mem_lock);
1724 
1725         return ret;
1726 }
1727 
1728 void
1729 netxen_setup_hwops(struct netxen_adapter *adapter)
1730 {
1731         adapter->init_port = netxen_niu_xg_init_port;
1732         adapter->stop_port = netxen_niu_disable_xg_port;
1733 
1734         if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1735                 adapter->crb_read = netxen_nic_hw_read_wx_128M,
1736                 adapter->crb_write = netxen_nic_hw_write_wx_128M,
1737                 adapter->pci_set_window = netxen_nic_pci_set_window_128M,
1738                 adapter->pci_mem_read = netxen_nic_pci_mem_read_128M,
1739                 adapter->pci_mem_write = netxen_nic_pci_mem_write_128M,
1740                 adapter->io_read = netxen_nic_io_read_128M,
1741                 adapter->io_write = netxen_nic_io_write_128M,
1742 
1743                 adapter->macaddr_set = netxen_p2_nic_set_mac_addr;
1744                 adapter->set_multi = netxen_p2_nic_set_multi;
1745                 adapter->set_mtu = netxen_nic_set_mtu_xgb;
1746                 adapter->set_promisc = netxen_p2_nic_set_promisc;
1747 
1748         } else {
1749                 adapter->crb_read = netxen_nic_hw_read_wx_2M,
1750                 adapter->crb_write = netxen_nic_hw_write_wx_2M,
1751                 adapter->pci_set_window = netxen_nic_pci_set_window_2M,
1752                 adapter->pci_mem_read = netxen_nic_pci_mem_read_2M,
1753                 adapter->pci_mem_write = netxen_nic_pci_mem_write_2M,
1754                 adapter->io_read = netxen_nic_io_read_2M,
1755                 adapter->io_write = netxen_nic_io_write_2M,
1756 
1757                 adapter->set_mtu = nx_fw_cmd_set_mtu;
1758                 adapter->set_promisc = netxen_p3_nic_set_promisc;
1759                 adapter->macaddr_set = netxen_p3_nic_set_mac_addr;
1760                 adapter->set_multi = netxen_p3_nic_set_multi;
1761 
1762                 adapter->phy_read = nx_fw_cmd_query_phy;
1763                 adapter->phy_write = nx_fw_cmd_set_phy;
1764         }
1765 }
1766 
1767 int netxen_nic_get_board_info(struct netxen_adapter *adapter)
1768 {
1769         int offset, board_type, magic;
1770         struct pci_dev *pdev = adapter->pdev;
1771 
1772         offset = NX_FW_MAGIC_OFFSET;
1773         if (netxen_rom_fast_read(adapter, offset, &magic))
1774                 return -EIO;
1775 
1776         if (magic != NETXEN_BDINFO_MAGIC) {
1777                 dev_err(&pdev->dev, "invalid board config, magic=%08x\n",
1778                         magic);
1779                 return -EIO;
1780         }
1781 
1782         offset = NX_BRDTYPE_OFFSET;
1783         if (netxen_rom_fast_read(adapter, offset, &board_type))
1784                 return -EIO;
1785 
1786         if (board_type == NETXEN_BRDTYPE_P3_4_GB_MM) {
1787                 u32 gpio = NXRD32(adapter, NETXEN_ROMUSB_GLB_PAD_GPIO_I);
1788                 if ((gpio & 0x8000) == 0)
1789                         board_type = NETXEN_BRDTYPE_P3_10G_TP;
1790         }
1791 
1792         adapter->ahw.board_type = board_type;
1793 
1794         switch (board_type) {
1795         case NETXEN_BRDTYPE_P2_SB35_4G:
1796                 adapter->ahw.port_type = NETXEN_NIC_GBE;
1797                 break;
1798         case NETXEN_BRDTYPE_P2_SB31_10G:
1799         case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
1800         case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
1801         case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
1802         case NETXEN_BRDTYPE_P3_HMEZ:
1803         case NETXEN_BRDTYPE_P3_XG_LOM:
1804         case NETXEN_BRDTYPE_P3_10G_CX4:
1805         case NETXEN_BRDTYPE_P3_10G_CX4_LP:
1806         case NETXEN_BRDTYPE_P3_IMEZ:
1807         case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
1808         case NETXEN_BRDTYPE_P3_10G_SFP_CT:
1809         case NETXEN_BRDTYPE_P3_10G_SFP_QT:
1810         case NETXEN_BRDTYPE_P3_10G_XFP:
1811         case NETXEN_BRDTYPE_P3_10000_BASE_T:
1812                 adapter->ahw.port_type = NETXEN_NIC_XGBE;
1813                 break;
1814         case NETXEN_BRDTYPE_P1_BD:
1815         case NETXEN_BRDTYPE_P1_SB:
1816         case NETXEN_BRDTYPE_P1_SMAX:
1817         case NETXEN_BRDTYPE_P1_SOCK:
1818         case NETXEN_BRDTYPE_P3_REF_QG:
1819         case NETXEN_BRDTYPE_P3_4_GB:
1820         case NETXEN_BRDTYPE_P3_4_GB_MM:
1821                 adapter->ahw.port_type = NETXEN_NIC_GBE;
1822                 break;
1823         case NETXEN_BRDTYPE_P3_10G_TP:
1824                 adapter->ahw.port_type = (adapter->portnum < 2) ?
1825                         NETXEN_NIC_XGBE : NETXEN_NIC_GBE;
1826                 break;
1827         default:
1828                 dev_err(&pdev->dev, "unknown board type %x\n", board_type);
1829                 adapter->ahw.port_type = NETXEN_NIC_XGBE;
1830                 break;
1831         }
1832 
1833         return 0;
1834 }
1835 
1836 /* NIU access sections */
1837 static int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu)
1838 {
1839         new_mtu += MTU_FUDGE_FACTOR;
1840         if (adapter->physical_port == 0)
1841                 NXWR32(adapter, NETXEN_NIU_XGE_MAX_FRAME_SIZE, new_mtu);
1842         else
1843                 NXWR32(adapter, NETXEN_NIU_XG1_MAX_FRAME_SIZE, new_mtu);
1844         return 0;
1845 }
1846 
1847 void netxen_nic_set_link_parameters(struct netxen_adapter *adapter)
1848 {
1849         __u32 status;
1850         __u32 autoneg;
1851         __u32 port_mode;
1852 
1853         if (!netif_carrier_ok(adapter->netdev)) {
1854                 adapter->link_speed   = 0;
1855                 adapter->link_duplex  = -1;
1856                 adapter->link_autoneg = AUTONEG_ENABLE;
1857                 return;
1858         }
1859 
1860         if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
1861                 port_mode = NXRD32(adapter, NETXEN_PORT_MODE_ADDR);
1862                 if (port_mode == NETXEN_PORT_MODE_802_3_AP) {
1863                         adapter->link_speed   = SPEED_1000;
1864                         adapter->link_duplex  = DUPLEX_FULL;
1865                         adapter->link_autoneg = AUTONEG_DISABLE;
1866                         return;
1867                 }
1868 
1869                 if (adapter->phy_read &&
1870                     adapter->phy_read(adapter,
1871                                       NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
1872                                       &status) == 0) {
1873                         if (netxen_get_phy_link(status)) {
1874                                 switch (netxen_get_phy_speed(status)) {
1875                                 case 0:
1876                                         adapter->link_speed = SPEED_10;
1877                                         break;
1878                                 case 1:
1879                                         adapter->link_speed = SPEED_100;
1880                                         break;
1881                                 case 2:
1882                                         adapter->link_speed = SPEED_1000;
1883                                         break;
1884                                 default:
1885                                         adapter->link_speed = 0;
1886                                         break;
1887                                 }
1888                                 switch (netxen_get_phy_duplex(status)) {
1889                                 case 0:
1890                                         adapter->link_duplex = DUPLEX_HALF;
1891                                         break;
1892                                 case 1:
1893                                         adapter->link_duplex = DUPLEX_FULL;
1894                                         break;
1895                                 default:
1896                                         adapter->link_duplex = -1;
1897                                         break;
1898                                 }
1899                                 if (adapter->phy_read &&
1900                                     adapter->phy_read(adapter,
1901                                                       NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
1902                                                       &autoneg) == 0)
1903                                         adapter->link_autoneg = autoneg;
1904                         } else
1905                                 goto link_down;
1906                 } else {
1907                       link_down:
1908                         adapter->link_speed = 0;
1909                         adapter->link_duplex = -1;
1910                 }
1911         }
1912 }
1913 
1914 int
1915 netxen_nic_wol_supported(struct netxen_adapter *adapter)
1916 {
1917         u32 wol_cfg;
1918 
1919         if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
1920                 return 0;
1921 
1922         wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG_NV);
1923         if (wol_cfg & (1UL << adapter->portnum)) {
1924                 wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG);
1925                 if (wol_cfg & (1 << adapter->portnum))
1926                         return 1;
1927         }
1928 
1929         return 0;
1930 }
1931 
1932 static u32 netxen_md_cntrl(struct netxen_adapter *adapter,
1933                         struct netxen_minidump_template_hdr *template_hdr,
1934                         struct netxen_minidump_entry_crb *crtEntry)
1935 {
1936         int loop_cnt, i, rv = 0, timeout_flag;
1937         u32 op_count, stride;
1938         u32 opcode, read_value, addr;
1939         unsigned long timeout, timeout_jiffies;
1940         addr = crtEntry->addr;
1941         op_count = crtEntry->op_count;
1942         stride = crtEntry->addr_stride;
1943 
1944         for (loop_cnt = 0; loop_cnt < op_count; loop_cnt++) {
1945                 for (i = 0; i < sizeof(crtEntry->opcode) * 8; i++) {
1946                         opcode = (crtEntry->opcode & (0x1 << i));
1947                         if (opcode) {
1948                                 switch (opcode) {
1949                                 case NX_DUMP_WCRB:
1950                                         NX_WR_DUMP_REG(addr,
1951                                                 adapter->ahw.pci_base0,
1952                                                         crtEntry->value_1);
1953                                         break;
1954                                 case NX_DUMP_RWCRB:
1955                                         NX_RD_DUMP_REG(addr,
1956                                                 adapter->ahw.pci_base0,
1957                                                                 &read_value);
1958                                         NX_WR_DUMP_REG(addr,
1959                                                 adapter->ahw.pci_base0,
1960                                                                 read_value);
1961                                         break;
1962                                 case NX_DUMP_ANDCRB:
1963                                         NX_RD_DUMP_REG(addr,
1964                                                 adapter->ahw.pci_base0,
1965                                                                 &read_value);
1966                                         read_value &= crtEntry->value_2;
1967                                         NX_WR_DUMP_REG(addr,
1968                                                 adapter->ahw.pci_base0,
1969                                                                 read_value);
1970                                         break;
1971                                 case NX_DUMP_ORCRB:
1972                                         NX_RD_DUMP_REG(addr,
1973                                                 adapter->ahw.pci_base0,
1974                                                                 &read_value);
1975                                         read_value |= crtEntry->value_3;
1976                                         NX_WR_DUMP_REG(addr,
1977                                                 adapter->ahw.pci_base0,
1978                                                                 read_value);
1979                                         break;
1980                                 case NX_DUMP_POLLCRB:
1981                                         timeout = crtEntry->poll_timeout;
1982                                         NX_RD_DUMP_REG(addr,
1983                                                 adapter->ahw.pci_base0,
1984                                                                 &read_value);
1985                                         timeout_jiffies =
1986                                         msecs_to_jiffies(timeout) + jiffies;
1987                                         for (timeout_flag = 0;
1988                                                 !timeout_flag
1989                                         && ((read_value & crtEntry->value_2)
1990                                         != crtEntry->value_1);) {
1991                                                 if (time_after(jiffies,
1992                                                         timeout_jiffies))
1993                                                         timeout_flag = 1;
1994                                         NX_RD_DUMP_REG(addr,
1995                                                         adapter->ahw.pci_base0,
1996                                                                 &read_value);
1997                                         }
1998 
1999                                         if (timeout_flag) {
2000                                                 dev_err(&adapter->pdev->dev, "%s : "
2001                                                         "Timeout in poll_crb control operation.\n"
2002                                                                 , __func__);
2003                                                 return -1;
2004                                         }
2005                                         break;
2006                                 case NX_DUMP_RD_SAVE:
2007                                         /* Decide which address to use */
2008                                         if (crtEntry->state_index_a)
2009                                                 addr =
2010                                                 template_hdr->saved_state_array
2011                                                 [crtEntry->state_index_a];
2012                                         NX_RD_DUMP_REG(addr,
2013                                                 adapter->ahw.pci_base0,
2014                                                                 &read_value);
2015                                         template_hdr->saved_state_array
2016                                         [crtEntry->state_index_v]
2017                                                 = read_value;
2018                                         break;
2019                                 case NX_DUMP_WRT_SAVED:
2020                                         /* Decide which value to use */
2021                                         if (crtEntry->state_index_v)
2022                                                 read_value =
2023                                                 template_hdr->saved_state_array
2024                                                 [crtEntry->state_index_v];
2025                                         else
2026                                                 read_value = crtEntry->value_1;
2027 
2028                                         /* Decide which address to use */
2029                                         if (crtEntry->state_index_a)
2030                                                 addr =
2031                                                 template_hdr->saved_state_array
2032                                                 [crtEntry->state_index_a];
2033 
2034                                         NX_WR_DUMP_REG(addr,
2035                                                 adapter->ahw.pci_base0,
2036                                                                 read_value);
2037                                         break;
2038                                 case NX_DUMP_MOD_SAVE_ST:
2039                                         read_value =
2040                                         template_hdr->saved_state_array
2041                                                 [crtEntry->state_index_v];
2042                                         read_value <<= crtEntry->shl;
2043                                         read_value >>= crtEntry->shr;
2044                                         if (crtEntry->value_2)
2045                                                 read_value &=
2046                                                 crtEntry->value_2;
2047                                         read_value |= crtEntry->value_3;
2048                                         read_value += crtEntry->value_1;
2049                                         /* Write value back to state area.*/
2050                                         template_hdr->saved_state_array
2051                                                 [crtEntry->state_index_v]
2052                                                         = read_value;
2053                                         break;
2054                                 default:
2055                                         rv = 1;
2056                                         break;
2057                                 }
2058                         }
2059                 }
2060                 addr = addr + stride;
2061         }
2062         return rv;
2063 }
2064 
2065 /* Read memory or MN */
2066 static u32
2067 netxen_md_rdmem(struct netxen_adapter *adapter,
2068                 struct netxen_minidump_entry_rdmem
2069                         *memEntry, u64 *data_buff)
2070 {
2071         u64 addr, value = 0;
2072         int i = 0, loop_cnt;
2073 
2074         addr = (u64)memEntry->read_addr;
2075         loop_cnt = memEntry->read_data_size;    /* This is size in bytes */
2076         loop_cnt /= sizeof(value);
2077 
2078         for (i = 0; i < loop_cnt; i++) {
2079                 if (netxen_nic_pci_mem_read_2M(adapter, addr, &value))
2080                         goto out;
2081                 *data_buff++ = value;
2082                 addr += sizeof(value);
2083         }
2084 out:
2085         return i * sizeof(value);
2086 }
2087 
2088 /* Read CRB operation */
2089 static u32 netxen_md_rd_crb(struct netxen_adapter *adapter,
2090                         struct netxen_minidump_entry_crb
2091                                 *crbEntry, u32 *data_buff)
2092 {
2093         int loop_cnt;
2094         u32 op_count, addr, stride, value;
2095 
2096         addr = crbEntry->addr;
2097         op_count = crbEntry->op_count;
2098         stride = crbEntry->addr_stride;
2099 
2100         for (loop_cnt = 0; loop_cnt < op_count; loop_cnt++) {
2101                 NX_RD_DUMP_REG(addr, adapter->ahw.pci_base0, &value);
2102                 *data_buff++ = addr;
2103                 *data_buff++ = value;
2104                 addr = addr + stride;
2105         }
2106         return loop_cnt * (2 * sizeof(u32));
2107 }
2108 
2109 /* Read ROM */
2110 static u32
2111 netxen_md_rdrom(struct netxen_adapter *adapter,
2112                         struct netxen_minidump_entry_rdrom
2113                                 *romEntry, __le32 *data_buff)
2114 {
2115         int i, count = 0;
2116         u32 size, lck_val;
2117         u32 val;
2118         u32 fl_addr, waddr, raddr;
2119         fl_addr = romEntry->read_addr;
2120         size = romEntry->read_data_size/4;
2121 lock_try:
2122         lck_val = readl((void __iomem *)(adapter->ahw.pci_base0 +
2123                                                         NX_FLASH_SEM2_LK));
2124         if (!lck_val && count < MAX_CTL_CHECK) {
2125                 msleep(20);
2126                 count++;
2127                 goto lock_try;
2128         }
2129         writel(adapter->ahw.pci_func, (void __iomem *)(adapter->ahw.pci_base0 +
2130                                                         NX_FLASH_LOCK_ID));
2131         for (i = 0; i < size; i++) {
2132                 waddr = fl_addr & 0xFFFF0000;
2133                 NX_WR_DUMP_REG(FLASH_ROM_WINDOW, adapter->ahw.pci_base0, waddr);
2134                 raddr = FLASH_ROM_DATA + (fl_addr & 0x0000FFFF);
2135                 NX_RD_DUMP_REG(raddr, adapter->ahw.pci_base0, &val);
2136                 *data_buff++ = cpu_to_le32(val);
2137                 fl_addr += sizeof(val);
2138         }
2139         readl((void __iomem *)(adapter->ahw.pci_base0 + NX_FLASH_SEM2_ULK));
2140         return romEntry->read_data_size;
2141 }
2142 
2143 /* Handle L2 Cache */
2144 static u32
2145 netxen_md_L2Cache(struct netxen_adapter *adapter,
2146                                 struct netxen_minidump_entry_cache
2147                                         *cacheEntry, u32 *data_buff)
2148 {
2149         int loop_cnt, i, k, timeout_flag = 0;
2150         u32 addr, read_addr, read_value, cntrl_addr, tag_reg_addr;
2151         u32 tag_value, read_cnt;
2152         u8 cntl_value_w, cntl_value_r;
2153         unsigned long timeout, timeout_jiffies;
2154 
2155         loop_cnt = cacheEntry->op_count;
2156         read_addr = cacheEntry->read_addr;
2157         cntrl_addr = cacheEntry->control_addr;
2158         cntl_value_w = (u32) cacheEntry->write_value;
2159         tag_reg_addr = cacheEntry->tag_reg_addr;
2160         tag_value = cacheEntry->init_tag_value;
2161         read_cnt = cacheEntry->read_addr_cnt;
2162 
2163         for (i = 0; i < loop_cnt; i++) {
2164                 NX_WR_DUMP_REG(tag_reg_addr, adapter->ahw.pci_base0, tag_value);
2165                 if (cntl_value_w)
2166                         NX_WR_DUMP_REG(cntrl_addr, adapter->ahw.pci_base0,
2167                                         (u32)cntl_value_w);
2168                 if (cacheEntry->poll_mask) {
2169                         timeout = cacheEntry->poll_wait;
2170                         NX_RD_DUMP_REG(cntrl_addr, adapter->ahw.pci_base0,
2171                                                         &cntl_value_r);
2172                         timeout_jiffies = msecs_to_jiffies(timeout) + jiffies;
2173                         for (timeout_flag = 0; !timeout_flag &&
2174                         ((cntl_value_r & cacheEntry->poll_mask) != 0);) {
2175                                 if (time_after(jiffies, timeout_jiffies))
2176                                         timeout_flag = 1;
2177                                 NX_RD_DUMP_REG(cntrl_addr,
2178                                         adapter->ahw.pci_base0,
2179                                                         &cntl_value_r);
2180                         }
2181                         if (timeout_flag) {
2182                                 dev_err(&adapter->pdev->dev,
2183                                                 "Timeout in processing L2 Tag poll.\n");
2184                                 return -1;
2185                         }
2186                 }
2187                 addr = read_addr;
2188                 for (k = 0; k < read_cnt; k++) {
2189                         NX_RD_DUMP_REG(addr, adapter->ahw.pci_base0,
2190                                         &read_value);
2191                         *data_buff++ = read_value;
2192                         addr += cacheEntry->read_addr_stride;
2193                 }
2194                 tag_value += cacheEntry->tag_value_stride;
2195         }
2196         return read_cnt * loop_cnt * sizeof(read_value);
2197 }
2198 
2199 
2200 /* Handle L1 Cache */
2201 static u32 netxen_md_L1Cache(struct netxen_adapter *adapter,
2202                                 struct netxen_minidump_entry_cache
2203                                         *cacheEntry, u32 *data_buff)
2204 {
2205         int i, k, loop_cnt;
2206         u32 addr, read_addr, read_value, cntrl_addr, tag_reg_addr;
2207         u32 tag_value, read_cnt;
2208         u8 cntl_value_w;
2209 
2210         loop_cnt = cacheEntry->op_count;
2211         read_addr = cacheEntry->read_addr;
2212         cntrl_addr = cacheEntry->control_addr;
2213         cntl_value_w = (u32) cacheEntry->write_value;
2214         tag_reg_addr = cacheEntry->tag_reg_addr;
2215         tag_value = cacheEntry->init_tag_value;
2216         read_cnt = cacheEntry->read_addr_cnt;
2217 
2218         for (i = 0; i < loop_cnt; i++) {
2219                 NX_WR_DUMP_REG(tag_reg_addr, adapter->ahw.pci_base0, tag_value);
2220                 NX_WR_DUMP_REG(cntrl_addr, adapter->ahw.pci_base0,
2221                                                 (u32) cntl_value_w);
2222                 addr = read_addr;
2223                 for (k = 0; k < read_cnt; k++) {
2224                         NX_RD_DUMP_REG(addr,
2225                                 adapter->ahw.pci_base0,
2226                                                 &read_value);
2227                         *data_buff++ = read_value;
2228                         addr += cacheEntry->read_addr_stride;
2229                 }
2230                 tag_value += cacheEntry->tag_value_stride;
2231         }
2232         return read_cnt * loop_cnt * sizeof(read_value);
2233 }
2234 
2235 /* Reading OCM memory */
2236 static u32
2237 netxen_md_rdocm(struct netxen_adapter *adapter,
2238                                 struct netxen_minidump_entry_rdocm
2239                                         *ocmEntry, u32 *data_buff)
2240 {
2241         int i, loop_cnt;
2242         u32 value;
2243         void __iomem *addr;
2244         addr = (ocmEntry->read_addr + adapter->ahw.pci_base0);
2245         loop_cnt = ocmEntry->op_count;
2246 
2247         for (i = 0; i < loop_cnt; i++) {
2248                 value = readl(addr);
2249                 *data_buff++ = value;
2250                 addr += ocmEntry->read_addr_stride;
2251         }
2252         return i * sizeof(u32);
2253 }
2254 
2255 /* Read MUX data */
2256 static u32
2257 netxen_md_rdmux(struct netxen_adapter *adapter, struct netxen_minidump_entry_mux
2258                                         *muxEntry, u32 *data_buff)
2259 {
2260         int loop_cnt = 0;
2261         u32 read_addr, read_value, select_addr, sel_value;
2262 
2263         read_addr = muxEntry->read_addr;
2264         sel_value = muxEntry->select_value;
2265         select_addr = muxEntry->select_addr;
2266 
2267         for (loop_cnt = 0; loop_cnt < muxEntry->op_count; loop_cnt++) {
2268                 NX_WR_DUMP_REG(select_addr, adapter->ahw.pci_base0, sel_value);
2269                 NX_RD_DUMP_REG(read_addr, adapter->ahw.pci_base0, &read_value);
2270                 *data_buff++ = sel_value;
2271                 *data_buff++ = read_value;
2272                 sel_value += muxEntry->select_value_stride;
2273         }
2274         return loop_cnt * (2 * sizeof(u32));
2275 }
2276 
2277 /* Handling Queue State Reads */
2278 static u32
2279 netxen_md_rdqueue(struct netxen_adapter *adapter,
2280                                 struct netxen_minidump_entry_queue
2281                                         *queueEntry, u32 *data_buff)
2282 {
2283         int loop_cnt, k;
2284         u32 queue_id, read_addr, read_value, read_stride, select_addr, read_cnt;
2285 
2286         read_cnt = queueEntry->read_addr_cnt;
2287         read_stride = queueEntry->read_addr_stride;
2288         select_addr = queueEntry->select_addr;
2289 
2290         for (loop_cnt = 0, queue_id = 0; loop_cnt < queueEntry->op_count;
2291                                  loop_cnt++) {
2292                 NX_WR_DUMP_REG(select_addr, adapter->ahw.pci_base0, queue_id);
2293                 read_addr = queueEntry->read_addr;
2294                 for (k = 0; k < read_cnt; k++) {
2295                         NX_RD_DUMP_REG(read_addr, adapter->ahw.pci_base0,
2296                                                         &read_value);
2297                         *data_buff++ = read_value;
2298                         read_addr += read_stride;
2299                 }
2300                 queue_id += queueEntry->queue_id_stride;
2301         }
2302         return loop_cnt * (read_cnt * sizeof(read_value));
2303 }
2304 
2305 
2306 /*
2307 * We catch an error where driver does not read
2308 * as much data as we expect from the entry.
2309 */
2310 
2311 static int netxen_md_entry_err_chk(struct netxen_adapter *adapter,
2312                                 struct netxen_minidump_entry *entry, int esize)
2313 {
2314         if (esize < 0) {
2315                 entry->hdr.driver_flags |= NX_DUMP_SKIP;
2316                 return esize;
2317         }
2318         if (esize != entry->hdr.entry_capture_size) {
2319                 entry->hdr.entry_capture_size = esize;
2320                 entry->hdr.driver_flags |= NX_DUMP_SIZE_ERR;
2321                 dev_info(&adapter->pdev->dev,
2322                         "Invalidate dump, Type:%d\tMask:%d\tSize:%dCap_size:%d\n",
2323                         entry->hdr.entry_type, entry->hdr.entry_capture_mask,
2324                         esize, entry->hdr.entry_capture_size);
2325                 dev_info(&adapter->pdev->dev, "Aborting further dump capture\n");
2326         }
2327         return 0;
2328 }
2329 
2330 static int netxen_parse_md_template(struct netxen_adapter *adapter)
2331 {
2332         int num_of_entries, buff_level, e_cnt, esize;
2333         int rv = 0, sane_start = 0, sane_end = 0;
2334         char *dbuff;
2335         void *template_buff = adapter->mdump.md_template;
2336         char *dump_buff = adapter->mdump.md_capture_buff;
2337         int capture_mask = adapter->mdump.md_capture_mask;
2338         struct netxen_minidump_template_hdr *template_hdr;
2339         struct netxen_minidump_entry *entry;
2340 
2341         if ((capture_mask & 0x3) != 0x3) {
2342                 dev_err(&adapter->pdev->dev, "Capture mask %02x below minimum needed "
2343                         "for valid firmware dump\n", capture_mask);
2344                 return -EINVAL;
2345         }
2346         template_hdr = (struct netxen_minidump_template_hdr *) template_buff;
2347         num_of_entries = template_hdr->num_of_entries;
2348         entry = (struct netxen_minidump_entry *) ((char *) template_buff +
2349                                 template_hdr->first_entry_offset);
2350         memcpy(dump_buff, template_buff, adapter->mdump.md_template_size);
2351         dump_buff = dump_buff + adapter->mdump.md_template_size;
2352 
2353         if (template_hdr->entry_type == TLHDR)
2354                 sane_start = 1;
2355 
2356         for (e_cnt = 0, buff_level = 0; e_cnt < num_of_entries; e_cnt++) {
2357                 if (!(entry->hdr.entry_capture_mask & capture_mask)) {
2358                         entry->hdr.driver_flags |= NX_DUMP_SKIP;
2359                         entry = (struct netxen_minidump_entry *)
2360                                 ((char *) entry + entry->hdr.entry_size);
2361                         continue;
2362                 }
2363                 switch (entry->hdr.entry_type) {
2364                 case RDNOP:
2365                         entry->hdr.driver_flags |= NX_DUMP_SKIP;
2366                         break;
2367                 case RDEND:
2368                         entry->hdr.driver_flags |= NX_DUMP_SKIP;
2369                         sane_end += 1;
2370                         break;
2371                 case CNTRL:
2372                         rv = netxen_md_cntrl(adapter,
2373                                 template_hdr, (void *)entry);
2374                         if (rv)
2375                                 entry->hdr.driver_flags |= NX_DUMP_SKIP;
2376                         break;
2377                 case RDCRB:
2378                         dbuff = dump_buff + buff_level;
2379                         esize = netxen_md_rd_crb(adapter,
2380                                         (void *) entry, (void *) dbuff);
2381                         rv = netxen_md_entry_err_chk
2382                                 (adapter, entry, esize);
2383                         if (rv < 0)
2384                                 break;
2385                         buff_level += esize;
2386                         break;
2387                 case RDMN:
2388                 case RDMEM:
2389                         dbuff = dump_buff + buff_level;
2390                         esize = netxen_md_rdmem(adapter,
2391                                 (void *) entry, (void *) dbuff);
2392                         rv = netxen_md_entry_err_chk
2393                                 (adapter, entry, esize);
2394                         if (rv < 0)
2395                                 break;
2396                         buff_level += esize;
2397                         break;
2398                 case BOARD:
2399                 case RDROM:
2400                         dbuff = dump_buff + buff_level;
2401                         esize = netxen_md_rdrom(adapter,
2402                                 (void *) entry, (void *) dbuff);
2403                         rv = netxen_md_entry_err_chk
2404                                 (adapter, entry, esize);
2405                         if (rv < 0)
2406                                 break;
2407                         buff_level += esize;
2408                         break;
2409                 case L2ITG:
2410                 case L2DTG:
2411                 case L2DAT:
2412                 case L2INS:
2413                         dbuff = dump_buff + buff_level;
2414                         esize = netxen_md_L2Cache(adapter,
2415                                 (void *) entry, (void *) dbuff);
2416                         rv = netxen_md_entry_err_chk
2417                                 (adapter, entry, esize);
2418                         if (rv < 0)
2419                                 break;
2420                         buff_level += esize;
2421                         break;
2422                 case L1DAT:
2423                 case L1INS:
2424                         dbuff = dump_buff + buff_level;
2425                         esize = netxen_md_L1Cache(adapter,
2426                                 (void *) entry, (void *) dbuff);
2427                         rv = netxen_md_entry_err_chk
2428                                 (adapter, entry, esize);
2429                         if (rv < 0)
2430                                 break;
2431                         buff_level += esize;
2432                         break;
2433                 case RDOCM:
2434                         dbuff = dump_buff + buff_level;
2435                         esize = netxen_md_rdocm(adapter,
2436                                 (void *) entry, (void *) dbuff);
2437                         rv = netxen_md_entry_err_chk
2438                                 (adapter, entry, esize);
2439                         if (rv < 0)
2440                                 break;
2441                         buff_level += esize;
2442                         break;
2443                 case RDMUX:
2444                         dbuff = dump_buff + buff_level;
2445                         esize = netxen_md_rdmux(adapter,
2446                                 (void *) entry, (void *) dbuff);
2447                         rv = netxen_md_entry_err_chk
2448                                 (adapter, entry, esize);
2449                         if (rv < 0)
2450                                 break;
2451                         buff_level += esize;
2452                         break;
2453                 case QUEUE:
2454                         dbuff = dump_buff + buff_level;
2455                         esize = netxen_md_rdqueue(adapter,
2456                                 (void *) entry, (void *) dbuff);
2457                         rv = netxen_md_entry_err_chk
2458                                 (adapter, entry, esize);
2459                         if (rv  < 0)
2460                                 break;
2461                         buff_level += esize;
2462                         break;
2463                 default:
2464                         entry->hdr.driver_flags |= NX_DUMP_SKIP;
2465                         break;
2466                 }
2467                 /* Next entry in the template */
2468                 entry = (struct netxen_minidump_entry *)
2469                         ((char *) entry + entry->hdr.entry_size);
2470         }
2471         if (!sane_start || sane_end > 1) {
2472                 dev_err(&adapter->pdev->dev,
2473                                 "Firmware minidump template configuration error.\n");
2474         }
2475         return 0;
2476 }
2477 
2478 static int
2479 netxen_collect_minidump(struct netxen_adapter *adapter)
2480 {
2481         int ret = 0;
2482         struct netxen_minidump_template_hdr *hdr;
2483         hdr = (struct netxen_minidump_template_hdr *)
2484                                 adapter->mdump.md_template;
2485         hdr->driver_capture_mask = adapter->mdump.md_capture_mask;
2486         hdr->driver_timestamp = ktime_get_seconds();
2487         hdr->driver_info_word2 = adapter->fw_version;
2488         hdr->driver_info_word3 = NXRD32(adapter, CRB_DRIVER_VERSION);
2489         ret = netxen_parse_md_template(adapter);
2490         if (ret)
2491                 return ret;
2492 
2493         return ret;
2494 }
2495 
2496 
2497 void
2498 netxen_dump_fw(struct netxen_adapter *adapter)
2499 {
2500         struct netxen_minidump_template_hdr *hdr;
2501         int i, k, data_size = 0;
2502         u32 capture_mask;
2503         hdr = (struct netxen_minidump_template_hdr *)
2504                                 adapter->mdump.md_template;
2505         capture_mask = adapter->mdump.md_capture_mask;
2506 
2507         for (i = 0x2, k = 1; (i & NX_DUMP_MASK_MAX); i <<= 1, k++) {
2508                 if (i & capture_mask)
2509                         data_size += hdr->capture_size_array[k];
2510         }
2511         if (!data_size) {
2512                 dev_err(&adapter->pdev->dev,
2513                                 "Invalid cap sizes for capture_mask=0x%x\n",
2514                         adapter->mdump.md_capture_mask);
2515                 return;
2516         }
2517         adapter->mdump.md_capture_size = data_size;
2518         adapter->mdump.md_dump_size = adapter->mdump.md_template_size +
2519                                         adapter->mdump.md_capture_size;
2520         if (!adapter->mdump.md_capture_buff) {
2521                 adapter->mdump.md_capture_buff =
2522                                 vzalloc(adapter->mdump.md_dump_size);
2523                 if (!adapter->mdump.md_capture_buff)
2524                         return;
2525 
2526                 if (netxen_collect_minidump(adapter)) {
2527                         adapter->mdump.has_valid_dump = 0;
2528                         adapter->mdump.md_dump_size = 0;
2529                         vfree(adapter->mdump.md_capture_buff);
2530                         adapter->mdump.md_capture_buff = NULL;
2531                         dev_err(&adapter->pdev->dev,
2532                                 "Error in collecting firmware minidump.\n");
2533                 } else {
2534                         adapter->mdump.md_timestamp = jiffies;
2535                         adapter->mdump.has_valid_dump = 1;
2536                         adapter->fw_mdump_rdy = 1;
2537                         dev_info(&adapter->pdev->dev, "%s Successfully "
2538                                 "collected fw dump.\n", adapter->netdev->name);
2539                 }
2540 
2541         } else {
2542                 dev_info(&adapter->pdev->dev,
2543                                         "Cannot overwrite previously collected "
2544                                                         "firmware minidump.\n");
2545                 adapter->fw_mdump_rdy = 1;
2546                 return;
2547         }
2548 }

/* [<][>][^][v][top][bottom][index][help] */