1 /*******************************************************************************
3 Intel(R) 82576 Virtual Function Linux driver
4 Copyright(c) 1999 - 2009 Intel Corporation.
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.
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
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26 *******************************************************************************/
28 #ifndef _E1000_DEFINES_H_
29 #define _E1000_DEFINES_H_
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
36 #define E1000_IVAR_VALID 0x80
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 */
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
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)
67 #define E1000_CTRL_RST 0x04000000 /* Global reset */
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 */
79 #define SPEED_1000 1000
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 /* Descriptor extension (0 = legacy) */
87 #define E1000_TXD_STAT_DD 0x00000001 /* Descriptor Done */
89 #define MAX_JUMBO_FRAME_SIZE 0x3F00
91 /* 802.1q VLAN Packet Size */
92 #define VLAN_TAG_SIZE 4 /* 802.3ac tag (not DMA'd) */
95 #define E1000_SUCCESS 0
96 #define E1000_ERR_CONFIG 3
97 #define E1000_ERR_MAC_INIT 5
98 #define E1000_ERR_MBX 15
101 #define ETH_ADDR_LEN 6
104 /* SRRCTL bit definitions */
105 #define E1000_SRRCTL_BSIZEPKT_SHIFT 10 /* Shift _right_ */
106 #define E1000_SRRCTL_BSIZEHDRSIZE_MASK 0x00000F00
107 #define E1000_SRRCTL_BSIZEHDRSIZE_SHIFT 2 /* Shift _left_ */
108 #define E1000_SRRCTL_DESCTYPE_ADV_ONEBUF 0x02000000
109 #define E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS 0x0A000000
110 #define E1000_SRRCTL_DESCTYPE_MASK 0x0E000000
111 #define E1000_SRRCTL_DROP_EN 0x80000000
113 #define E1000_SRRCTL_BSIZEPKT_MASK 0x0000007F
114 #define E1000_SRRCTL_BSIZEHDR_MASK 0x00003F00
116 /* Additional Descriptor Control definitions */
117 #define E1000_TXDCTL_QUEUE_ENABLE 0x02000000 /* Enable specific Tx Queue */
118 #define E1000_RXDCTL_QUEUE_ENABLE 0x02000000 /* Enable specific Rx Queue */
120 /* Direct Cache Access (DCA) definitions */
121 #define E1000_DCA_TXCTRL_TX_WB_RO_EN (1 << 11) /* Tx Desc writeback RO bit */
123 #define E1000_VF_INIT_TIMEOUT 200 /* Number of retries to clear RSTI */
125 #endif /* _E1000_DEFINES_H_ */