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/*******************************************************************************
Copyright (c) 2001-2007, Intel Corporation
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of the Intel Corporation nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*******************************************************************************/
/*$FreeBSD: src/sys/dev/em/e1000_82575.h,v 1.3 2007/05/16 00:14:23 jfv Exp $*/
#ifndef _E1000_82575_H_
#define _E1000_82575_H_
/* Receive Address Register Count
* Number of high/low register pairs in the RAR. The RAR (Receive Address
* Registers) holds the directed and multicast addresses that we monitor.
* These entries are also used for MAC-based filtering.
*/
#define E1000_RAR_ENTRIES_82575 16
#ifdef E1000_BIT_FIELDS
struct e1000_adv_data_desc {
u64 buffer_addr; /* Address of the descriptor's data buffer */
union {
u32 data;
struct {
u32 datalen :16; /* Data buffer length */
u32 rsvd :4;
u32 dtyp :4; /* Descriptor type */
u32 dcmd :8; /* Descriptor command */
} config;
} lower;
union {
u32 data;
struct {
u32 status :4; /* Descriptor status */
u32 idx :4;
u32 popts :6; /* Packet Options */
u32 paylen :18; /* Payload length */
} options;
} upper;
};
#define E1000_TXD_DTYP_ADV_C 0x2 /* Advanced Context Descriptor */
#define E1000_TXD_DTYP_ADV_D 0x3 /* Advanced Data Descriptor */
#define E1000_ADV_TXD_CMD_DEXT 0x20 /* Descriptor extension (0 = legacy) */
#define E1000_ADV_TUCMD_IPV4 0x2 /* IP Packet Type: 1=IPv4 */
#define E1000_ADV_TUCMD_IPV6 0x0 /* IP Packet Type: 0=IPv6 */
#define E1000_ADV_TUCMD_L4T_UDP 0x0 /* L4 Packet TYPE of UDP */
#define E1000_ADV_TUCMD_L4T_TCP 0x4 /* L4 Packet TYPE of TCP */
#define E1000_ADV_TUCMD_MKRREQ 0x10 /* Indicates markers are required */
#define E1000_ADV_DCMD_EOP 0x1 /* End of Packet */
#define E1000_ADV_DCMD_IFCS 0x2 /* Insert FCS (Ethernet CRC) */
#define E1000_ADV_DCMD_RS 0x8 /* Report Status */
#define E1000_ADV_DCMD_VLE 0x40 /* Add VLAN tag */
#define E1000_ADV_DCMD_TSE 0x80 /* TCP Seg enable */
struct e1000_adv_context_desc {
union {
u32 ip_config;
struct {
u32 iplen :9;
u32 maclen :7;
u32 vlan_tag :16;
} fields;
} ip_setup;
u32 seq_num;
union {
u64 l4_config;
struct {
u32 mkrloc :9;
u32 tucmd :11;
u32 dtyp :4;
u32 adv :8;
u32 rsvd :4;
u32 idx :4;
u32 l4len :8;
u32 mss :16;
} fields;
} l4_setup;
};
#endif
/* 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_LEGACY 0x00000000
#define E1000_SRRCTL_DESCTYPE_ADV_ONEBUF 0x02000000
#define E1000_SRRCTL_DESCTYPE_HDR_SPLIT 0x04000000
#define E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS 0x0A000000
#define E1000_SRRCTL_DESCTYPE_HDR_REPLICATION 0x06000000
#define E1000_SRRCTL_DESCTYPE_HDR_REPLICATION_LARGE_PKT 0x08000000
#define E1000_TX_HEAD_WB_ENABLE 0x1
#define E1000_TX_SEQNUM_WB_ENABLE 0x2
#define E1000_MRQC_ENABLE_RSS_4Q 0x00000002
#define E1000_MRQC_RSS_FIELD_IPV4_UDP 0x00400000
#define E1000_MRQC_RSS_FIELD_IPV6_UDP 0x00800000
#define E1000_MRQC_RSS_FIELD_IPV6_UDP_EX 0x01000000
#define E1000_EICR_TX_QUEUE ( \
E1000_EICR_TX_QUEUE0 | \
E1000_EICR_TX_QUEUE1 | \
E1000_EICR_TX_QUEUE2 | \
E1000_EICR_TX_QUEUE3)
#define E1000_EICR_RX_QUEUE ( \
E1000_EICR_RX_QUEUE0 | \
E1000_EICR_RX_QUEUE1 | \
E1000_EICR_RX_QUEUE2 | \
E1000_EICR_RX_QUEUE3)
#define E1000_EIMS_RX_QUEUE E1000_EICR_RX_QUEUE
#define E1000_EIMS_TX_QUEUE E1000_EICR_TX_QUEUE
#define EIMS_ENABLE_MASK ( \
E1000_EIMS_RX_QUEUE | \
E1000_EIMS_TX_QUEUE | \
E1000_EIMS_TCP_TIMER | \
E1000_EIMS_OTHER)
/* Immediate Interrupt RX (A.K.A. Low Latency Interrupt) */
#define E1000_IMIR_PORT_IM_EN 0x00010000 /* TCP port enable */
#define E1000_IMIR_PORT_BP 0x00020000 /* TCP port check bypass */
#define E1000_IMIREXT_SIZE_BP 0x00001000 /* Packet size bypass */
#define E1000_IMIREXT_CTRL_URG 0x00002000 /* Check URG bit in header */
#define E1000_IMIREXT_CTRL_ACK 0x00004000 /* Check ACK bit in header */
#define E1000_IMIREXT_CTRL_PSH 0x00008000 /* Check PSH bit in header */
#define E1000_IMIREXT_CTRL_RST 0x00010000 /* Check RST bit in header */
#define E1000_IMIREXT_CTRL_SYN 0x00020000 /* Check SYN bit in header */
#define E1000_IMIREXT_CTRL_FIN 0x00040000 /* Check FIN bit in header */
#define E1000_IMIREXT_CTRL_BP 0x00080000 /* Bypass check of control bits */
/* Receive Descriptor - Advanced */
union e1000_adv_rx_desc {
struct {
u64 pkt_addr; /* Packet buffer address */
u64 hdr_addr; /* Header buffer address */
} read;
struct {
struct {
struct {
u16 pkt_info; /* RSS type, Packet type */
u16 hdr_info; /* Split Header,
* header buffer length */
} lo_dword;
union {
u32 rss; /* RSS Hash */
struct {
u16 ip_id; /* IP id */
u16 csum; /* Packet Checksum */
} csum_ip;
} hi_dword;
} lower;
struct {
u32 status_error; /* ext status/error */
u16 length; /* Packet length */
u16 vlan; /* VLAN tag */
} upper;
} wb; /* writeback */
};
#define E1000_RXDADV_RSSTYPE_MASK 0x0000F000
#define E1000_RXDADV_RSSTYPE_SHIFT 12
#define E1000_RXDADV_HDRBUFLEN_MASK 0x7FE0
#define E1000_RXDADV_HDRBUFLEN_SHIFT 5
#define E1000_RXDADV_SPLITHEADER_EN 0x00001000
#define E1000_RXDADV_SPH 0x8000
#define E1000_RXDADV_HBO 0x00800000
/* RSS Hash results */
#define E1000_RXDADV_RSSTYPE_NONE 0x00000000
#define E1000_RXDADV_RSSTYPE_IPV4_TCP 0x00000001
#define E1000_RXDADV_RSSTYPE_IPV4 0x00000002
#define E1000_RXDADV_RSSTYPE_IPV6_TCP 0x00000003
#define E1000_RXDADV_RSSTYPE_IPV6_EX 0x00000004
#define E1000_RXDADV_RSSTYPE_IPV6 0x00000005
#define E1000_RXDADV_RSSTYPE_IPV6_TCP_EX 0x00000006
#define E1000_RXDADV_RSSTYPE_IPV4_UDP 0x00000007
#define E1000_RXDADV_RSSTYPE_IPV6_UDP 0x00000008
#define E1000_RXDADV_RSSTYPE_IPV6_UDP_EX 0x00000009
/* Transmit Descriptor - Advanced */
union e1000_adv_tx_desc {
struct {
u64 buffer_addr; /* Address of descriptor's data buf */
u32 cmd_type_len;
u32 olinfo_status;
} read;
struct {
u64 rsvd; /* Reserved */
u32 nxtseq_seed;
u32 status;
} wb;
};
/* Adv Transmit Descriptor Config Masks */
#define E1000_ADVTXD_DTYP_CTXT 0x00200000 /* Advanced Context Descriptor */
#define E1000_ADVTXD_DTYP_DATA 0x00300000 /* Advanced Data Descriptor */
#define E1000_ADVTXD_DCMD_EOP 0x01000000 /* End of Packet */
#define E1000_ADVTXD_DCMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */
#define E1000_ADVTXD_DCMD_RDMA 0x04000000 /* RDMA */
#define E1000_ADVTXD_DCMD_RS 0x08000000 /* Report Status */
#define E1000_ADVTXD_DCMD_DDTYP_ISCSI 0x10000000 /* DDP hdr type or iSCSI */
#define E1000_ADVTXD_DCMD_DEXT 0x20000000 /* Descriptor extension (1=Adv) */
#define E1000_ADVTXD_DCMD_VLE 0x40000000 /* VLAN pkt enable */
#define E1000_ADVTXD_DCMD_TSE 0x80000000 /* TCP Seg enable */
#define E1000_ADVTXD_MAC_LINKSEC 0x00040000 /* Apply LinkSec on packet */
#define E1000_ADVTXD_MAC_TSTAMP 0x00080000 /* IEEE1588 Timestamp packet */
#define E1000_ADVTXD_STAT_SN_CRC 0x00000002 /* NXTSEQ/SEED present in WB */
#define E1000_ADVTXD_IDX_SHIFT 4 /* Adv desc Index shift */
#define E1000_ADVTXD_POPTS_EOM 0x00000400 /* Enable L bit in RDMA DDP hdr */
#define E1000_ADVTXD_POPTS_ISCO_1ST 0x00000000 /* 1st TSO of iSCSI PDU */
#define E1000_ADVTXD_POPTS_ISCO_MDL 0x00000800 /* Middle TSO of iSCSI PDU */
#define E1000_ADVTXD_POPTS_ISCO_LAST 0x00001000 /* Last TSO of iSCSI PDU */
#define E1000_ADVTXD_POPTS_ISCO_FULL 0x00001800 /* 1st&Last TSO-full iSCSI PDU*/
#define E1000_ADVTXD_POPTS_IPSEC 0x00000400 /* IPSec offload request */
#define E1000_ADVTXD_PAYLEN_SHIFT 14 /* Adv desc PAYLEN shift */
/* Context descriptors */
struct e1000_adv_tx_context_desc {
u32 vlan_macip_lens;
u32 seqnum_seed;
u32 type_tucmd_mlhl;
u32 mss_l4len_idx;
};
#define E1000_ADVTXD_MACLEN_SHIFT 9 /* Adv ctxt desc mac len shift */
#define E1000_ADVTXD_VLAN_SHIFT 16 /* Adv ctxt vlan tag shift */
#define E1000_ADVTXD_TUCMD_IPV4 0x00000400 /* IP Packet Type: 1=IPv4 */
#define E1000_ADVTXD_TUCMD_IPV6 0x00000000 /* IP Packet Type: 0=IPv6 */
#define E1000_ADVTXD_TUCMD_L4T_UDP 0x00000000 /* L4 Packet TYPE of UDP */
#define E1000_ADVTXD_TUCMD_L4T_TCP 0x00000800 /* L4 Packet TYPE of TCP */
#define E1000_ADVTXD_TUCMD_IPSEC_TYPE_ESP 0x00002000 /* IPSec Type ESP */
/* IPSec Encrypt Enable for ESP */
#define E1000_ADVTXD_TUCMD_IPSEC_ENCRYPT_EN 0x00004000
#define E1000_ADVTXD_TUCMD_MKRREQ 0x00002000 /* Req requires Markers and CRC */
#define E1000_ADVTXD_L4LEN_SHIFT 8 /* Adv ctxt L4LEN shift */
#define E1000_ADVTXD_MSS_SHIFT 16 /* Adv ctxt MSS shift */
/* Adv ctxt IPSec SA IDX mask */
#define E1000_ADVTXD_IPSEC_SA_INDEX_MASK 0x000000FF
/* Adv ctxt IPSec ESP len mask */
#define E1000_ADVTXD_IPSEC_ESP_LEN_MASK 0x000000FF
/* Additional Transmit Descriptor Control definitions */
#define E1000_TXDCTL_QUEUE_ENABLE 0x02000000 /* Enable specific Tx Queue */
#define E1000_TXDCTL_SWFLSH 0x04000000 /* Tx Desc. write-back flushing */
#define E1000_TXDCTL_PRIORITY 0x08000000 /* Tx Queue Arbitration Priority
0=low, 1=high */
/* Additional Receive Descriptor Control definitions */
#define E1000_RXDCTL_QUEUE_ENABLE 0x02000000 /* Enable specific Rx Queue */
#define E1000_RXDCTL_SWFLSH 0x04000000 /* Rx Desc. write-back flushing */
/* Direct Cache Access (DCA) definitions */
#define E1000_DCA_CTRL_DCA_ENABLE 0x00000000 /* DCA Enable */
#define E1000_DCA_CTRL_DCA_DISABLE 0x00000001 /* DCA Disable */
#define E1000_DCA_CTRL_DCA_MODE_CB1 0x00 /* DCA Mode CB1 */
#define E1000_DCA_CTRL_DCA_MODE_CB2 0x02 /* DCA Mode CB2 */
#define E1000_DCA_RXCTRL_CPUID_MASK 0x0000001F /* Rx CPUID Mask */
#define E1000_DCA_RXCTRL_DESC_DCA_EN (1 << 5) /* DCA Rx Desc enable */
#define E1000_DCA_RXCTRL_HEAD_DCA_EN (1 << 6) /* DCA Rx Desc header enable */
#define E1000_DCA_RXCTRL_DATA_DCA_EN (1 << 7) /* DCA Rx Desc payload enable */
#define E1000_DCA_TXCTRL_CPUID_MASK 0x0000001F /* Tx CPUID Mask */
#define E1000_DCA_TXCTRL_DESC_DCA_EN (1 << 5) /* DCA Tx Desc enable */
#endif
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