|  | /******************************************************************************* | 
|  |  | 
|  | Intel(R) 82576 Virtual Function Linux driver | 
|  | Copyright(c) 1999 - 2012 Intel Corporation. | 
|  |  | 
|  | This program is free software; you can redistribute it and/or modify it | 
|  | under the terms and conditions of the GNU General Public License, | 
|  | version 2, as published by the Free Software Foundation. | 
|  |  | 
|  | This program is distributed in the hope it will be useful, but WITHOUT | 
|  | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | 
|  | FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for | 
|  | more details. | 
|  |  | 
|  | You should have received a copy of the GNU General Public License along with | 
|  | this program; if not, write to the Free Software Foundation, Inc., | 
|  | 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | 
|  |  | 
|  | The full GNU General Public License is included in this distribution in | 
|  | the file called "COPYING". | 
|  |  | 
|  | Contact Information: | 
|  | e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> | 
|  | Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | 
|  |  | 
|  | *******************************************************************************/ | 
|  |  | 
|  | #ifndef _E1000_DEFINES_H_ | 
|  | #define _E1000_DEFINES_H_ | 
|  |  | 
|  | /* Number of Transmit and Receive Descriptors must be a multiple of 8 */ | 
|  | #define REQ_TX_DESCRIPTOR_MULTIPLE  8 | 
|  | #define REQ_RX_DESCRIPTOR_MULTIPLE  8 | 
|  |  | 
|  | /* IVAR valid bit */ | 
|  | #define E1000_IVAR_VALID        0x80 | 
|  |  | 
|  | /* Receive Descriptor bit definitions */ | 
|  | #define E1000_RXD_STAT_DD       0x01    /* Descriptor Done */ | 
|  | #define E1000_RXD_STAT_EOP      0x02    /* End of Packet */ | 
|  | #define E1000_RXD_STAT_IXSM     0x04    /* Ignore checksum */ | 
|  | #define E1000_RXD_STAT_VP       0x08    /* IEEE VLAN Packet */ | 
|  | #define E1000_RXD_STAT_UDPCS    0x10    /* UDP xsum calculated */ | 
|  | #define E1000_RXD_STAT_TCPCS    0x20    /* TCP xsum calculated */ | 
|  | #define E1000_RXD_STAT_IPCS     0x40    /* IP xsum calculated */ | 
|  | #define E1000_RXD_ERR_SE        0x02    /* Symbol Error */ | 
|  | #define E1000_RXD_SPC_VLAN_MASK 0x0FFF  /* VLAN ID is in lower 12 bits */ | 
|  |  | 
|  | #define E1000_RXDEXT_STATERR_LB    0x00040000 | 
|  | #define E1000_RXDEXT_STATERR_CE    0x01000000 | 
|  | #define E1000_RXDEXT_STATERR_SE    0x02000000 | 
|  | #define E1000_RXDEXT_STATERR_SEQ   0x04000000 | 
|  | #define E1000_RXDEXT_STATERR_CXE   0x10000000 | 
|  | #define E1000_RXDEXT_STATERR_TCPE  0x20000000 | 
|  | #define E1000_RXDEXT_STATERR_IPE   0x40000000 | 
|  | #define E1000_RXDEXT_STATERR_RXE   0x80000000 | 
|  |  | 
|  |  | 
|  | /* Same mask, but for extended and packet split descriptors */ | 
|  | #define E1000_RXDEXT_ERR_FRAME_ERR_MASK ( \ | 
|  | E1000_RXDEXT_STATERR_CE  |            \ | 
|  | E1000_RXDEXT_STATERR_SE  |            \ | 
|  | E1000_RXDEXT_STATERR_SEQ |            \ | 
|  | E1000_RXDEXT_STATERR_CXE |            \ | 
|  | E1000_RXDEXT_STATERR_RXE) | 
|  |  | 
|  | /* Device Control */ | 
|  | #define E1000_CTRL_RST      0x04000000  /* Global reset */ | 
|  |  | 
|  | /* Device Status */ | 
|  | #define E1000_STATUS_FD         0x00000001      /* Full duplex.0=half,1=full */ | 
|  | #define E1000_STATUS_LU         0x00000002      /* Link up.0=no,1=link */ | 
|  | #define E1000_STATUS_TXOFF      0x00000010      /* transmission paused */ | 
|  | #define E1000_STATUS_SPEED_10   0x00000000      /* Speed 10Mb/s */ | 
|  | #define E1000_STATUS_SPEED_100  0x00000040      /* Speed 100Mb/s */ | 
|  | #define E1000_STATUS_SPEED_1000 0x00000080      /* Speed 1000Mb/s */ | 
|  |  | 
|  | #define SPEED_10    10 | 
|  | #define SPEED_100   100 | 
|  | #define SPEED_1000  1000 | 
|  | #define HALF_DUPLEX 1 | 
|  | #define FULL_DUPLEX 2 | 
|  |  | 
|  | /* Transmit Descriptor bit definitions */ | 
|  | #define E1000_TXD_POPTS_IXSM 0x01       /* Insert IP checksum */ | 
|  | #define E1000_TXD_POPTS_TXSM 0x02       /* Insert TCP/UDP checksum */ | 
|  | #define E1000_TXD_CMD_DEXT   0x20000000 /* Descriptor extension (0 = legacy) */ | 
|  | #define E1000_TXD_STAT_DD    0x00000001 /* Descriptor Done */ | 
|  |  | 
|  | #define MAX_JUMBO_FRAME_SIZE    0x3F00 | 
|  |  | 
|  | /* 802.1q VLAN Packet Size */ | 
|  | #define VLAN_TAG_SIZE              4    /* 802.3ac tag (not DMA'd) */ | 
|  |  | 
|  | /* Error Codes */ | 
|  | #define E1000_SUCCESS      0 | 
|  | #define E1000_ERR_CONFIG   3 | 
|  | #define E1000_ERR_MAC_INIT 5 | 
|  | #define E1000_ERR_MBX      15 | 
|  |  | 
|  | /* SRRCTL bit definitions */ | 
|  | #define E1000_SRRCTL_BSIZEPKT_SHIFT                     10 /* Shift _right_ */ | 
|  | #define E1000_SRRCTL_BSIZEHDRSIZE_MASK                  0x00000F00 | 
|  | #define E1000_SRRCTL_BSIZEHDRSIZE_SHIFT                 2  /* Shift _left_ */ | 
|  | #define E1000_SRRCTL_DESCTYPE_ADV_ONEBUF                0x02000000 | 
|  | #define E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS          0x0A000000 | 
|  | #define E1000_SRRCTL_DESCTYPE_MASK                      0x0E000000 | 
|  | #define E1000_SRRCTL_DROP_EN                            0x80000000 | 
|  |  | 
|  | #define E1000_SRRCTL_BSIZEPKT_MASK      0x0000007F | 
|  | #define E1000_SRRCTL_BSIZEHDR_MASK      0x00003F00 | 
|  |  | 
|  | /* Additional Descriptor Control definitions */ | 
|  | #define E1000_TXDCTL_QUEUE_ENABLE  0x02000000 /* Enable specific Tx Queue */ | 
|  | #define E1000_RXDCTL_QUEUE_ENABLE  0x02000000 /* Enable specific Rx Queue */ | 
|  |  | 
|  | /* Direct Cache Access (DCA) definitions */ | 
|  | #define E1000_DCA_TXCTRL_TX_WB_RO_EN (1 << 11) /* Tx Desc writeback RO bit */ | 
|  |  | 
|  | #define E1000_VF_INIT_TIMEOUT 200 /* Number of retries to clear RSTI */ | 
|  |  | 
|  | #endif /* _E1000_DEFINES_H_ */ |