1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /******************************************************************************* 3 4 Intel(R) 82576 Virtual Function Linux driver 5 Copyright(c) 1999 - 2012 Intel Corporation. 6 7 This program is free software; you can redistribute it and/or modify it 8 under the terms and conditions of the GNU General Public License, 9 version 2, as published by the Free Software Foundation. 10 11 This program is distributed in the hope it will be useful, but WITHOUT 12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 14 more details. 15 16 You should have received a copy of the GNU General Public License along with 17 this program; if not, see <http://www.gnu.org/licenses/>. 18 19 The full GNU General Public License is included in this distribution in 20 the file called "COPYING". 21 22 Contact Information: 23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 25 26 *******************************************************************************/ 27 28 #ifndef _E1000_DEFINES_H_ 29 #define _E1000_DEFINES_H_ 30 31 /* Number of Transmit and Receive Descriptors must be a multiple of 8 */ 32 #define REQ_TX_DESCRIPTOR_MULTIPLE 8 33 #define REQ_RX_DESCRIPTOR_MULTIPLE 8 34 35 /* IVAR valid bit */ 36 #define E1000_IVAR_VALID 0x80 37 38 /* Receive Descriptor bit definitions */ 39 #define E1000_RXD_STAT_DD 0x01 /* Descriptor Done */ 40 #define E1000_RXD_STAT_EOP 0x02 /* End of Packet */ 41 #define E1000_RXD_STAT_IXSM 0x04 /* Ignore checksum */ 42 #define E1000_RXD_STAT_VP 0x08 /* IEEE VLAN Packet */ 43 #define E1000_RXD_STAT_UDPCS 0x10 /* UDP xsum calculated */ 44 #define E1000_RXD_STAT_TCPCS 0x20 /* TCP xsum calculated */ 45 #define E1000_RXD_STAT_IPCS 0x40 /* IP xsum calculated */ 46 #define E1000_RXD_ERR_SE 0x02 /* Symbol Error */ 47 #define E1000_RXD_SPC_VLAN_MASK 0x0FFF /* VLAN ID is in lower 12 bits */ 48 49 #define E1000_RXDEXT_STATERR_LB 0x00040000 50 #define E1000_RXDEXT_STATERR_CE 0x01000000 51 #define E1000_RXDEXT_STATERR_SE 0x02000000 52 #define E1000_RXDEXT_STATERR_SEQ 0x04000000 53 #define E1000_RXDEXT_STATERR_CXE 0x10000000 54 #define E1000_RXDEXT_STATERR_TCPE 0x20000000 55 #define E1000_RXDEXT_STATERR_IPE 0x40000000 56 #define E1000_RXDEXT_STATERR_RXE 0x80000000 57 58 /* Same mask, but for extended and packet split descriptors */ 59 #define E1000_RXDEXT_ERR_FRAME_ERR_MASK ( \ 60 E1000_RXDEXT_STATERR_CE | \ 61 E1000_RXDEXT_STATERR_SE | \ 62 E1000_RXDEXT_STATERR_SEQ | \ 63 E1000_RXDEXT_STATERR_CXE | \ 64 E1000_RXDEXT_STATERR_RXE) 65 66 /* Device Control */ 67 #define E1000_CTRL_RST 0x04000000 /* Global reset */ 68 69 /* Device Status */ 70 #define E1000_STATUS_FD 0x00000001 /* Full duplex.0=half,1=full */ 71 #define E1000_STATUS_LU 0x00000002 /* Link up.0=no,1=link */ 72 #define E1000_STATUS_TXOFF 0x00000010 /* transmission paused */ 73 #define E1000_STATUS_SPEED_10 0x00000000 /* Speed 10Mb/s */ 74 #define E1000_STATUS_SPEED_100 0x00000040 /* Speed 100Mb/s */ 75 #define E1000_STATUS_SPEED_1000 0x00000080 /* Speed 1000Mb/s */ 76 77 #define SPEED_10 10 78 #define SPEED_100 100 79 #define SPEED_1000 1000 80 #define HALF_DUPLEX 1 81 #define FULL_DUPLEX 2 82 83 /* Transmit Descriptor bit definitions */ 84 #define E1000_TXD_POPTS_IXSM 0x01 /* Insert IP checksum */ 85 #define E1000_TXD_POPTS_TXSM 0x02 /* Insert TCP/UDP checksum */ 86 #define E1000_TXD_CMD_DEXT 0x20000000 /* Desc extension (0 = legacy) */ 87 #define E1000_TXD_STAT_DD 0x00000001 /* Desc Done */ 88 89 #define MAX_JUMBO_FRAME_SIZE 0x3F00 90 #define MAX_STD_JUMBO_FRAME_SIZE 9216 91 92 /* 802.1q VLAN Packet Size */ 93 #define VLAN_TAG_SIZE 4 /* 802.3ac tag (not DMA'd) */ 94 95 /* Error Codes */ 96 #define E1000_SUCCESS 0 97 #define E1000_ERR_CONFIG 3 98 #define E1000_ERR_MAC_INIT 5 99 #define E1000_ERR_MBX 15 100 101 /* SRRCTL bit definitions */ 102 #define E1000_SRRCTL_BSIZEPKT_SHIFT 10 /* Shift _right_ */ 103 #define E1000_SRRCTL_BSIZEHDRSIZE_MASK 0x00000F00 104 #define E1000_SRRCTL_BSIZEHDRSIZE_SHIFT 2 /* Shift _left_ */ 105 #define E1000_SRRCTL_DESCTYPE_ADV_ONEBUF 0x02000000 106 #define E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS 0x0A000000 107 #define E1000_SRRCTL_DESCTYPE_MASK 0x0E000000 108 #define E1000_SRRCTL_DROP_EN 0x80000000 109 110 #define E1000_SRRCTL_BSIZEPKT_MASK 0x0000007F 111 #define E1000_SRRCTL_BSIZEHDR_MASK 0x00003F00 112 113 /* Additional Descriptor Control definitions */ 114 #define E1000_TXDCTL_QUEUE_ENABLE 0x02000000 /* Enable specific Tx Que */ 115 #define E1000_RXDCTL_QUEUE_ENABLE 0x02000000 /* Enable specific Rx Que */ 116 117 /* Direct Cache Access (DCA) definitions */ 118 #define E1000_DCA_TXCTRL_TX_WB_RO_EN BIT(11) /* Tx Desc writeback RO bit */ 119 120 #define E1000_VF_INIT_TIMEOUT 200 /* Number of retries to clear RSTI */ 121 122 #endif /* _E1000_DEFINES_H_ */ 123