drivers/net/ethernet/intel/igbvf/defines.h

   1 /*******************************************************************************
   2
   3   Intel(R) 82576 Virtual Function Linux driver
   4   Copyright(c) 1999 - 2012 Intel Corporation.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms and conditions of the GNU General Public License,
   8   version 2, as published by the Free Software Foundation.
   9
  10   This program is distributed in the hope it will be useful, but WITHOUT
  11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13   more details.
  14
  15   You should have received a copy of the GNU General Public License along with
  16   this program; if not, see <http://www.gnu.org/licenses/>.
  17
  18   The full GNU General Public License is included in this distribution in
  19   the file called "COPYING".
  20
  21   Contact Information:
  22   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  23   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  24
  25 *******************************************************************************/
  26
  27 #ifndef _E1000_DEFINES_H_
  28 #define _E1000_DEFINES_H_
  29
  30 /* Number of Transmit and Receive Descriptors must be a multiple of 8 */
  31 #define REQ_TX_DESCRIPTOR_MULTIPLE      8
  32 #define REQ_RX_DESCRIPTOR_MULTIPLE      8
  33
  34 /* IVAR valid bit */
  35 #define E1000_IVAR_VALID        0x80
  36
  37 /* Receive Descriptor bit definitions */
  38 #define E1000_RXD_STAT_DD       0x01    /* Descriptor Done */
  39 #define E1000_RXD_STAT_EOP      0x02    /* End of Packet */
  40 #define E1000_RXD_STAT_IXSM     0x04    /* Ignore checksum */
  41 #define E1000_RXD_STAT_VP       0x08    /* IEEE VLAN Packet */
  42 #define E1000_RXD_STAT_UDPCS    0x10    /* UDP xsum calculated */
  43 #define E1000_RXD_STAT_TCPCS    0x20    /* TCP xsum calculated */
  44 #define E1000_RXD_STAT_IPCS     0x40    /* IP xsum calculated */
  45 #define E1000_RXD_ERR_SE        0x02    /* Symbol Error */
  46 #define E1000_RXD_SPC_VLAN_MASK 0x0FFF  /* VLAN ID is in lower 12 bits */
  47
  48 #define E1000_RXDEXT_STATERR_LB 0x00040000
  49 #define E1000_RXDEXT_STATERR_CE 0x01000000
  50 #define E1000_RXDEXT_STATERR_SE 0x02000000
  51 #define E1000_RXDEXT_STATERR_SEQ        0x04000000
  52 #define E1000_RXDEXT_STATERR_CXE        0x10000000
  53 #define E1000_RXDEXT_STATERR_TCPE       0x20000000
  54 #define E1000_RXDEXT_STATERR_IPE        0x40000000
  55 #define E1000_RXDEXT_STATERR_RXE        0x80000000
  56
  57 /* Same mask, but for extended and packet split descriptors */
  58 #define E1000_RXDEXT_ERR_FRAME_ERR_MASK ( \
  59         E1000_RXDEXT_STATERR_CE  | \
  60         E1000_RXDEXT_STATERR_SE  | \
  61         E1000_RXDEXT_STATERR_SEQ | \
  62         E1000_RXDEXT_STATERR_CXE | \
  63         E1000_RXDEXT_STATERR_RXE)
  64
  65 /* Device Control */
  66 #define E1000_CTRL_RST          0x04000000  /* Global reset */
  67
  68 /* Device Status */
  69 #define E1000_STATUS_FD         0x00000001      /* Full duplex.0=half,1=full */
  70 #define E1000_STATUS_LU         0x00000002      /* Link up.0=no,1=link */
  71 #define E1000_STATUS_TXOFF      0x00000010      /* transmission paused */
  72 #define E1000_STATUS_SPEED_10   0x00000000      /* Speed 10Mb/s */
  73 #define E1000_STATUS_SPEED_100  0x00000040      /* Speed 100Mb/s */
  74 #define E1000_STATUS_SPEED_1000 0x00000080      /* Speed 1000Mb/s */
  75
  76 #define SPEED_10        10
  77 #define SPEED_100       100
  78 #define SPEED_1000      1000
  79 #define HALF_DUPLEX     1
  80 #define FULL_DUPLEX     2
  81
  82 /* Transmit Descriptor bit definitions */
  83 #define E1000_TXD_POPTS_IXSM    0x01       /* Insert IP checksum */
  84 #define E1000_TXD_POPTS_TXSM    0x02       /* Insert TCP/UDP checksum */
  85 #define E1000_TXD_CMD_DEXT      0x20000000 /* Desc extension (0 = legacy) */
  86 #define E1000_TXD_STAT_DD       0x00000001 /* Desc Done */
  87
  88 #define MAX_JUMBO_FRAME_SIZE    0x3F00
  89
  90 /* 802.1q VLAN Packet Size */
  91 #define VLAN_TAG_SIZE           4    /* 802.3ac tag (not DMA'd) */
  92
  93 /* Error Codes */
  94 #define E1000_SUCCESS           0
  95 #define E1000_ERR_CONFIG        3
  96 #define E1000_ERR_MAC_INIT      5
  97 #define E1000_ERR_MBX           15
  98
  99 /* SRRCTL bit definitions */
 100 #define E1000_SRRCTL_BSIZEPKT_SHIFT             10 /* Shift _right_ */
 101 #define E1000_SRRCTL_BSIZEHDRSIZE_MASK          0x00000F00
 102 #define E1000_SRRCTL_BSIZEHDRSIZE_SHIFT         2  /* Shift _left_ */
 103 #define E1000_SRRCTL_DESCTYPE_ADV_ONEBUF        0x02000000
 104 #define E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS  0x0A000000
 105 #define E1000_SRRCTL_DESCTYPE_MASK              0x0E000000
 106 #define E1000_SRRCTL_DROP_EN                    0x80000000
 107
 108 #define E1000_SRRCTL_BSIZEPKT_MASK      0x0000007F
 109 #define E1000_SRRCTL_BSIZEHDR_MASK      0x00003F00
 110
 111 /* Additional Descriptor Control definitions */
 112 #define E1000_TXDCTL_QUEUE_ENABLE       0x02000000 /* Enable specific Tx Que */
 113 #define E1000_RXDCTL_QUEUE_ENABLE       0x02000000 /* Enable specific Rx Que */
 114
 115 /* Direct Cache Access (DCA) definitions */
 116 #define E1000_DCA_TXCTRL_TX_WB_RO_EN    BIT(11) /* Tx Desc writeback RO bit */
 117
 118 #define E1000_VF_INIT_TIMEOUT   200 /* Number of retries to clear RSTI */
 119
 120 #endif /* _E1000_DEFINES_H_ */