158 lines
6.2 KiB
C
158 lines
6.2 KiB
C
/******************************************************************************
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SPDX-License-Identifier: BSD-3-Clause
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Copyright (c) 2001-2020, Intel Corporation
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the Intel Corporation nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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******************************************************************************/
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#ifndef _E1000_BASE_H_
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#define _E1000_BASE_H_
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/* forward declaration */
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s32 e1000_init_hw_base(struct e1000_hw *hw);
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void e1000_power_down_phy_copper_base(struct e1000_hw *hw);
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extern void e1000_rx_fifo_flush_base(struct e1000_hw *hw);
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s32 e1000_acquire_phy_base(struct e1000_hw *hw);
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void e1000_release_phy_base(struct e1000_hw *hw);
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/* Transmit Descriptor - Advanced */
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union e1000_adv_tx_desc {
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struct {
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__le64 buffer_addr; /* Address of descriptor's data buf */
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__le32 cmd_type_len;
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__le32 olinfo_status;
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} read;
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struct {
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__le64 rsvd; /* Reserved */
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__le32 nxtseq_seed;
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__le32 status;
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} wb;
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};
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/* Context descriptors */
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struct e1000_adv_tx_context_desc {
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__le32 vlan_macip_lens;
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union {
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__le32 launch_time;
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__le32 seqnum_seed;
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} u;
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__le32 type_tucmd_mlhl;
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__le32 mss_l4len_idx;
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};
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/* Adv Transmit Descriptor Config Masks */
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#define E1000_ADVTXD_DTYP_CTXT 0x00200000 /* Advanced Context Descriptor */
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#define E1000_ADVTXD_DTYP_DATA 0x00300000 /* Advanced Data Descriptor */
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#define E1000_ADVTXD_DCMD_EOP 0x01000000 /* End of Packet */
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#define E1000_ADVTXD_DCMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */
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#define E1000_ADVTXD_DCMD_RS 0x08000000 /* Report Status */
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#define E1000_ADVTXD_DCMD_DDTYP_ISCSI 0x10000000 /* DDP hdr type or iSCSI */
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#define E1000_ADVTXD_DCMD_DEXT 0x20000000 /* Descriptor extension (1=Adv) */
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#define E1000_ADVTXD_DCMD_VLE 0x40000000 /* VLAN pkt enable */
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#define E1000_ADVTXD_DCMD_TSE 0x80000000 /* TCP Seg enable */
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#define E1000_ADVTXD_MAC_LINKSEC 0x00040000 /* Apply LinkSec on pkt */
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#define E1000_ADVTXD_MAC_TSTAMP 0x00080000 /* IEEE1588 Timestamp pkt */
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#define E1000_ADVTXD_STAT_SN_CRC 0x00000002 /* NXTSEQ/SEED prsnt in WB */
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#define E1000_ADVTXD_IDX_SHIFT 4 /* Adv desc Index shift */
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#define E1000_ADVTXD_POPTS_ISCO_1ST 0x00000000 /* 1st TSO of iSCSI PDU */
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#define E1000_ADVTXD_POPTS_ISCO_MDL 0x00000800 /* Middle TSO of iSCSI PDU */
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#define E1000_ADVTXD_POPTS_ISCO_LAST 0x00001000 /* Last TSO of iSCSI PDU */
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/* 1st & Last TSO-full iSCSI PDU*/
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#define E1000_ADVTXD_POPTS_ISCO_FULL 0x00001800
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#define E1000_ADVTXD_POPTS_IPSEC 0x00000400 /* IPSec offload request */
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#define E1000_ADVTXD_PAYLEN_SHIFT 14 /* Adv desc PAYLEN shift */
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/* Advanced Transmit Context Descriptor Config */
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#define E1000_ADVTXD_MACLEN_SHIFT 9 /* Adv ctxt desc mac len shift */
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#define E1000_ADVTXD_VLAN_SHIFT 16 /* Adv ctxt vlan tag shift */
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#define E1000_ADVTXD_TUCMD_IPV4 0x00000400 /* IP Packet Type: 1=IPv4 */
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#define E1000_ADVTXD_TUCMD_IPV6 0x00000000 /* IP Packet Type: 0=IPv6 */
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#define E1000_ADVTXD_TUCMD_L4T_UDP 0x00000000 /* L4 Packet TYPE of UDP */
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#define E1000_ADVTXD_TUCMD_L4T_TCP 0x00000800 /* L4 Packet TYPE of TCP */
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#define E1000_ADVTXD_TUCMD_L4T_SCTP 0x00001000 /* L4 Packet TYPE of SCTP */
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#define E1000_ADVTXD_TUCMD_IPSEC_TYPE_ESP 0x00002000 /* IPSec Type ESP */
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/* IPSec Encrypt Enable for ESP */
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#define E1000_ADVTXD_TUCMD_IPSEC_ENCRYPT_EN 0x00004000
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/* Req requires Markers and CRC */
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#define E1000_ADVTXD_TUCMD_MKRREQ 0x00002000
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#define E1000_ADVTXD_L4LEN_SHIFT 8 /* Adv ctxt L4LEN shift */
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#define E1000_ADVTXD_MSS_SHIFT 16 /* Adv ctxt MSS shift */
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/* Adv ctxt IPSec SA IDX mask */
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#define E1000_ADVTXD_IPSEC_SA_INDEX_MASK 0x000000FF
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/* Adv ctxt IPSec ESP len mask */
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#define E1000_ADVTXD_IPSEC_ESP_LEN_MASK 0x000000FF
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#define E1000_RAR_ENTRIES_BASE 16
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/* Receive Descriptor - Advanced */
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union e1000_adv_rx_desc {
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struct {
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__le64 pkt_addr; /* Packet buffer address */
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__le64 hdr_addr; /* Header buffer address */
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} read;
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struct {
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struct {
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union {
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__le32 data;
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struct {
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__le16 pkt_info; /*RSS type, Pkt type*/
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/* Split Header, header buffer len */
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__le16 hdr_info;
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} hs_rss;
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} lo_dword;
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union {
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__le32 rss; /* RSS Hash */
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struct {
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__le16 ip_id; /* IP id */
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__le16 csum; /* Packet Checksum */
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} csum_ip;
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} hi_dword;
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} lower;
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struct {
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__le32 status_error; /* ext status/error */
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__le16 length; /* Packet length */
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__le16 vlan; /* VLAN tag */
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} upper;
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} wb; /* writeback */
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};
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/* Additional Transmit Descriptor Control definitions */
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#define E1000_TXDCTL_QUEUE_ENABLE 0x02000000 /* Ena specific Tx Queue */
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/* Additional Receive Descriptor Control definitions */
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#define E1000_RXDCTL_QUEUE_ENABLE 0x02000000 /* Ena specific Rx Queue */
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/* SRRCTL bit definitions */
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#define E1000_SRRCTL_BSIZEPKT_SHIFT 10 /* Shift _right_ */
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#define E1000_SRRCTL_BSIZEHDRSIZE_SHIFT 2 /* Shift _left_ */
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#define E1000_SRRCTL_DESCTYPE_ADV_ONEBUF 0x02000000
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#endif /* _E1000_BASE_H_ */
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