drivers/net/ethernet/chelsio/cxgb4/t4_msg.h - kernel/msm-4.19 - Gitiles

 /*
  * This file is part of the Chelsio T4 Ethernet driver for Linux.
  *
  * Copyright (c) 2003-2010 Chelsio Communications, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
  * General Public License (GPL) Version 2, available from the file
  * COPYING in the main directory of this source tree, or the
  * OpenIB.org BSD license below:
  *
  *     Redistribution and use in source and binary forms, with or
  *     without modification, are permitted provided that the following
  *     conditions are met:
  *
  *      - Redistributions of source code must retain the above
  *        copyright notice, this list of conditions and the following
  *        disclaimer.
  *
  *      - 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.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */

 #ifndef __T4_MSG_H
 #define __T4_MSG_H

 #include <linux/types.h>

 enum {
 	CPL_PASS_OPEN_REQ     = 0x1,
 	CPL_PASS_ACCEPT_RPL   = 0x2,
 	CPL_ACT_OPEN_REQ      = 0x3,
 	CPL_SET_TCB_FIELD     = 0x5,
 	CPL_GET_TCB           = 0x6,
 	CPL_CLOSE_CON_REQ     = 0x8,
 	CPL_CLOSE_LISTSRV_REQ = 0x9,
 	CPL_ABORT_REQ         = 0xA,
 	CPL_ABORT_RPL         = 0xB,
 	CPL_RX_DATA_ACK       = 0xD,
 	CPL_TX_PKT            = 0xE,
 	CPL_L2T_WRITE_REQ     = 0x12,
 	CPL_TID_RELEASE       = 0x1A,

 	CPL_CLOSE_LISTSRV_RPL = 0x20,
 	CPL_L2T_WRITE_RPL     = 0x23,
 	CPL_PASS_OPEN_RPL     = 0x24,
 	CPL_ACT_OPEN_RPL      = 0x25,
 	CPL_PEER_CLOSE        = 0x26,
 	CPL_ABORT_REQ_RSS     = 0x2B,
 	CPL_ABORT_RPL_RSS     = 0x2D,

 	CPL_CLOSE_CON_RPL     = 0x32,
 	CPL_ISCSI_HDR         = 0x33,
 	CPL_RDMA_CQE          = 0x35,
 	CPL_RDMA_CQE_READ_RSP = 0x36,
 	CPL_RDMA_CQE_ERR      = 0x37,
 	CPL_RX_DATA           = 0x39,
 	CPL_SET_TCB_RPL       = 0x3A,
 	CPL_RX_PKT            = 0x3B,
 	CPL_RX_DDP_COMPLETE   = 0x3F,

 	CPL_ACT_ESTABLISH     = 0x40,
 	CPL_PASS_ESTABLISH    = 0x41,
 	CPL_RX_DATA_DDP       = 0x42,
 	CPL_PASS_ACCEPT_REQ   = 0x44,

 	CPL_RDMA_READ_REQ     = 0x60,

 	CPL_PASS_OPEN_REQ6    = 0x81,
 	CPL_ACT_OPEN_REQ6     = 0x83,

 	CPL_RDMA_TERMINATE    = 0xA2,
 	CPL_RDMA_WRITE        = 0xA4,
 	CPL_SGE_EGR_UPDATE    = 0xA5,

 	CPL_TRACE_PKT         = 0xB0,

 	CPL_FW4_MSG           = 0xC0,
 	CPL_FW4_PLD           = 0xC1,
 	CPL_FW4_ACK           = 0xC3,

 	CPL_FW6_MSG           = 0xE0,
 	CPL_FW6_PLD           = 0xE1,
 	CPL_TX_PKT_LSO        = 0xED,
 	CPL_TX_PKT_XT         = 0xEE,

 	NUM_CPL_CMDS
 };

 enum CPL_error {
 	CPL_ERR_NONE               = 0,
 	CPL_ERR_TCAM_FULL          = 3,
 	CPL_ERR_BAD_LENGTH         = 15,
 	CPL_ERR_BAD_ROUTE          = 18,
 	CPL_ERR_CONN_RESET         = 20,
 	CPL_ERR_CONN_EXIST_SYNRECV = 21,
 	CPL_ERR_CONN_EXIST         = 22,
 	CPL_ERR_ARP_MISS           = 23,
 	CPL_ERR_BAD_SYN            = 24,
 	CPL_ERR_CONN_TIMEDOUT      = 30,
 	CPL_ERR_XMIT_TIMEDOUT      = 31,
 	CPL_ERR_PERSIST_TIMEDOUT   = 32,
 	CPL_ERR_FINWAIT2_TIMEDOUT  = 33,
 	CPL_ERR_KEEPALIVE_TIMEDOUT = 34,
 	CPL_ERR_RTX_NEG_ADVICE     = 35,
 	CPL_ERR_PERSIST_NEG_ADVICE = 36,
 	CPL_ERR_ABORT_FAILED       = 42,
 	CPL_ERR_IWARP_FLM          = 50,
 };

 enum {
 	ULP_MODE_NONE          = 0,
 	ULP_MODE_ISCSI         = 2,
 	ULP_MODE_RDMA          = 4,
 	ULP_MODE_TCPDDP	       = 5,
 	ULP_MODE_FCOE          = 6,
 };

 enum {
 	ULP_CRC_HEADER = 1 << 0,
 	ULP_CRC_DATA   = 1 << 1
 };

 enum {
 	CPL_ABORT_SEND_RST = 0,
 	CPL_ABORT_NO_RST,
 };

 enum {                     /* TX_PKT_XT checksum types */
 	TX_CSUM_TCP    = 0,
 	TX_CSUM_UDP    = 1,
 	TX_CSUM_CRC16  = 4,
 	TX_CSUM_CRC32  = 5,
 	TX_CSUM_CRC32C = 6,
 	TX_CSUM_FCOE   = 7,
 	TX_CSUM_TCPIP  = 8,
 	TX_CSUM_UDPIP  = 9,
 	TX_CSUM_TCPIP6 = 10,
 	TX_CSUM_UDPIP6 = 11,
 	TX_CSUM_IP     = 12,
 };

 union opcode_tid {
 	__be32 opcode_tid;
 	u8 opcode;
 };

 #define CPL_OPCODE(x) ((x) << 24)
 #define MK_OPCODE_TID(opcode, tid) (CPL_OPCODE(opcode) | (tid))
 #define OPCODE_TID(cmd) ((cmd)->ot.opcode_tid)
 #define GET_TID(cmd) (ntohl(OPCODE_TID(cmd)) & 0xFFFFFF)

 /* partitioning of TID fields that also carry a queue id */
 #define GET_TID_TID(x) ((x) & 0x3fff)
 #define GET_TID_QID(x) (((x) >> 14) & 0x3ff)
 #define TID_QID(x)     ((x) << 14)

 struct rss_header {
 	u8 opcode;
 #if defined(__LITTLE_ENDIAN_BITFIELD)
 	u8 channel:2;
 	u8 filter_hit:1;
 	u8 filter_tid:1;
 	u8 hash_type:2;
 	u8 ipv6:1;
 	u8 send2fw:1;
 #else
 	u8 send2fw:1;
 	u8 ipv6:1;
 	u8 hash_type:2;
 	u8 filter_tid:1;
 	u8 filter_hit:1;
 	u8 channel:2;
 #endif
 	__be16 qid;
 	__be32 hash_val;
 };

 struct work_request_hdr {
 	__be32 wr_hi;
 	__be32 wr_mid;
 	__be64 wr_lo;
 };

 #define WR_HDR struct work_request_hdr wr

 struct cpl_pass_open_req {
 	WR_HDR;
 	union opcode_tid ot;
 	__be16 local_port;
 	__be16 peer_port;
 	__be32 local_ip;
 	__be32 peer_ip;
 	__be64 opt0;
 #define TX_CHAN(x)    ((x) << 2)
 #define DELACK(x)     ((x) << 5)
 #define ULP_MODE(x)   ((x) << 8)
 #define RCV_BUFSIZ(x) ((x) << 12)
 #define DSCP(x)       ((x) << 22)
 #define SMAC_SEL(x)   ((u64)(x) << 28)
 #define L2T_IDX(x)    ((u64)(x) << 36)
 #define NAGLE(x)      ((u64)(x) << 49)
 #define WND_SCALE(x)  ((u64)(x) << 50)
 #define KEEP_ALIVE(x) ((u64)(x) << 54)
 #define MSS_IDX(x)    ((u64)(x) << 60)
 	__be64 opt1;
 #define SYN_RSS_ENABLE   (1 << 0)
 #define SYN_RSS_QUEUE(x) ((x) << 2)
 #define CONN_POLICY_ASK  (1 << 22)
 };

 struct cpl_pass_open_req6 {
 	WR_HDR;
 	union opcode_tid ot;
 	__be16 local_port;
 	__be16 peer_port;
 	__be64 local_ip_hi;
 	__be64 local_ip_lo;
 	__be64 peer_ip_hi;
 	__be64 peer_ip_lo;
 	__be64 opt0;
 	__be64 opt1;
 };

 struct cpl_pass_open_rpl {
 	union opcode_tid ot;
 	u8 rsvd[3];
 	u8 status;
 };

 struct cpl_pass_accept_rpl {
 	WR_HDR;
 	union opcode_tid ot;
 	__be32 opt2;
 #define RSS_QUEUE(x)         ((x) << 0)
 #define RSS_QUEUE_VALID      (1 << 10)
 #define RX_COALESCE_VALID(x) ((x) << 11)
 #define RX_COALESCE(x)       ((x) << 12)
 #define TX_QUEUE(x)          ((x) << 23)
 #define RX_CHANNEL(x)        ((x) << 26)
 #define WND_SCALE_EN(x)      ((x) << 28)
 #define TSTAMPS_EN(x)        ((x) << 29)
 #define SACK_EN(x)           ((x) << 30)
 	__be64 opt0;
 };

 struct cpl_act_open_req {
 	WR_HDR;
 	union opcode_tid ot;
 	__be16 local_port;
 	__be16 peer_port;
 	__be32 local_ip;
 	__be32 peer_ip;
 	__be64 opt0;
 	__be32 params;
 	__be32 opt2;
 };

 struct cpl_act_open_req6 {
 	WR_HDR;
 	union opcode_tid ot;
 	__be16 local_port;
 	__be16 peer_port;
 	__be64 local_ip_hi;
 	__be64 local_ip_lo;
 	__be64 peer_ip_hi;
 	__be64 peer_ip_lo;
 	__be64 opt0;
 	__be32 params;
 	__be32 opt2;
 };

 struct cpl_act_open_rpl {
 	union opcode_tid ot;
 	__be32 atid_status;
 #define GET_AOPEN_STATUS(x) ((x) & 0xff)
 #define GET_AOPEN_ATID(x)   (((x) >> 8) & 0xffffff)
 };

 struct cpl_pass_establish {
 	union opcode_tid ot;
 	__be32 rsvd;
 	__be32 tos_stid;
 #define GET_POPEN_TID(x) ((x) & 0xffffff)
 #define GET_POPEN_TOS(x) (((x) >> 24) & 0xff)
 	__be16 mac_idx;
 	__be16 tcp_opt;
 #define GET_TCPOPT_WSCALE_OK(x)  (((x) >> 5) & 1)
 #define GET_TCPOPT_SACK(x)       (((x) >> 6) & 1)
 #define GET_TCPOPT_TSTAMP(x)     (((x) >> 7) & 1)
 #define GET_TCPOPT_SND_WSCALE(x) (((x) >> 8) & 0xf)
 #define GET_TCPOPT_MSS(x)        (((x) >> 12) & 0xf)
 	__be32 snd_isn;
 	__be32 rcv_isn;
 };

 struct cpl_act_establish {
 	union opcode_tid ot;
 	__be32 rsvd;
 	__be32 tos_atid;
 	__be16 mac_idx;
 	__be16 tcp_opt;
 	__be32 snd_isn;
 	__be32 rcv_isn;
 };

 struct cpl_get_tcb {
 	WR_HDR;
 	union opcode_tid ot;
 	__be16 reply_ctrl;
 #define QUEUENO(x)    ((x) << 0)
 #define REPLY_CHAN(x) ((x) << 14)
 #define NO_REPLY(x)   ((x) << 15)
 	__be16 cookie;
 };

 struct cpl_set_tcb_field {
 	WR_HDR;
 	union opcode_tid ot;
 	__be16 reply_ctrl;
 	__be16 word_cookie;
 #define TCB_WORD(x)   ((x) << 0)
 #define TCB_COOKIE(x) ((x) << 5)
 	__be64 mask;
 	__be64 val;
 };

 struct cpl_set_tcb_rpl {
 	union opcode_tid ot;
 	__be16 rsvd;
 	u8 cookie;
 	u8 status;
 	__be64 oldval;
 };

 struct cpl_close_con_req {
 	WR_HDR;
 	union opcode_tid ot;
 	__be32 rsvd;
 };

 struct cpl_close_con_rpl {
 	union opcode_tid ot;
 	u8 rsvd[3];
 	u8 status;
 	__be32 snd_nxt;
 	__be32 rcv_nxt;
 };

 struct cpl_close_listsvr_req {
 	WR_HDR;
 	union opcode_tid ot;
 	__be16 reply_ctrl;
 #define LISTSVR_IPV6 (1 << 14)
 	__be16 rsvd;
 };

 struct cpl_close_listsvr_rpl {
 	union opcode_tid ot;
 	u8 rsvd[3];
 	u8 status;
 };

 struct cpl_abort_req_rss {
 	union opcode_tid ot;
 	u8 rsvd[3];
 	u8 status;
 };

 struct cpl_abort_req {
 	WR_HDR;
 	union opcode_tid ot;
 	__be32 rsvd0;
 	u8 rsvd1;
 	u8 cmd;
 	u8 rsvd2[6];
 };

 struct cpl_abort_rpl_rss {
 	union opcode_tid ot;
 	u8 rsvd[3];
 	u8 status;
 };

 struct cpl_abort_rpl {
 	WR_HDR;
 	union opcode_tid ot;
 	__be32 rsvd0;
 	u8 rsvd1;
 	u8 cmd;
 	u8 rsvd2[6];
 };

 struct cpl_peer_close {
 	union opcode_tid ot;
 	__be32 rcv_nxt;
 };

 struct cpl_tid_release {
 	WR_HDR;
 	union opcode_tid ot;
 	__be32 rsvd;
 };

 struct cpl_tx_pkt_core {
 	__be32 ctrl0;
 #define TXPKT_VF(x)        ((x) << 0)
 #define TXPKT_PF(x)        ((x) << 8)
 #define TXPKT_VF_VLD       (1 << 11)
 #define TXPKT_OVLAN_IDX(x) ((x) << 12)
 #define TXPKT_INTF(x)      ((x) << 16)
 #define TXPKT_INS_OVLAN    (1 << 21)
 #define TXPKT_OPCODE(x)    ((x) << 24)
 	__be16 pack;
 	__be16 len;
 	__be64 ctrl1;
 #define TXPKT_CSUM_END(x)   ((x) << 12)
 #define TXPKT_CSUM_START(x) ((x) << 20)
 #define TXPKT_IPHDR_LEN(x)  ((u64)(x) << 20)
 #define TXPKT_CSUM_LOC(x)   ((u64)(x) << 30)
 #define TXPKT_ETHHDR_LEN(x) ((u64)(x) << 34)
 #define TXPKT_CSUM_TYPE(x)  ((u64)(x) << 40)
 #define TXPKT_VLAN(x)       ((u64)(x) << 44)
 #define TXPKT_VLAN_VLD      (1ULL << 60)
 #define TXPKT_IPCSUM_DIS    (1ULL << 62)
 #define TXPKT_L4CSUM_DIS    (1ULL << 63)
 };

 struct cpl_tx_pkt {
 	WR_HDR;
 	struct cpl_tx_pkt_core c;
 };

 #define cpl_tx_pkt_xt cpl_tx_pkt

 struct cpl_tx_pkt_lso_core {
 	__be32 lso_ctrl;
 #define LSO_TCPHDR_LEN(x) ((x) << 0)
 #define LSO_IPHDR_LEN(x)  ((x) << 4)
 #define LSO_ETHHDR_LEN(x) ((x) << 16)
 #define LSO_IPV6(x)       ((x) << 20)
 #define LSO_LAST_SLICE    (1 << 22)
 #define LSO_FIRST_SLICE   (1 << 23)
 #define LSO_OPCODE(x)     ((x) << 24)
 	__be16 ipid_ofst;
 	__be16 mss;
 	__be32 seqno_offset;
 	__be32 len;
 	/* encapsulated CPL (TX_PKT, TX_PKT_XT or TX_DATA) follows here */
 };

 struct cpl_tx_pkt_lso {
 	WR_HDR;
 	struct cpl_tx_pkt_lso_core c;
 	/* encapsulated CPL (TX_PKT, TX_PKT_XT or TX_DATA) follows here */
 };

 struct cpl_iscsi_hdr {
 	union opcode_tid ot;
 	__be16 pdu_len_ddp;
 #define ISCSI_PDU_LEN(x) ((x) & 0x7FFF)
 #define ISCSI_DDP        (1 << 15)
 	__be16 len;
 	__be32 seq;
 	__be16 urg;
 	u8 rsvd;
 	u8 status;
 };

 struct cpl_rx_data {
 	union opcode_tid ot;
 	__be16 rsvd;
 	__be16 len;
 	__be32 seq;
 	__be16 urg;
 #if defined(__LITTLE_ENDIAN_BITFIELD)
 	u8 dack_mode:2;
 	u8 psh:1;
 	u8 heartbeat:1;
 	u8 ddp_off:1;
 	u8 :3;
 #else
 	u8 :3;
 	u8 ddp_off:1;
 	u8 heartbeat:1;
 	u8 psh:1;
 	u8 dack_mode:2;
 #endif
 	u8 status;
 };

 struct cpl_rx_data_ack {
 	WR_HDR;
 	union opcode_tid ot;
 	__be32 credit_dack;
 #define RX_CREDITS(x)   ((x) << 0)
 #define RX_FORCE_ACK(x) ((x) << 28)
 };

 struct cpl_rx_pkt {
 	struct rss_header rsshdr;
 	u8 opcode;
 #if defined(__LITTLE_ENDIAN_BITFIELD)
 	u8 iff:4;
 	u8 csum_calc:1;
 	u8 ipmi_pkt:1;
 	u8 vlan_ex:1;
 	u8 ip_frag:1;
 #else
 	u8 ip_frag:1;
 	u8 vlan_ex:1;
 	u8 ipmi_pkt:1;
 	u8 csum_calc:1;
 	u8 iff:4;
 #endif
 	__be16 csum;
 	__be16 vlan;
 	__be16 len;
 	__be32 l2info;
 #define RXF_UDP (1 << 22)
 #define RXF_TCP (1 << 23)
 #define RXF_IP  (1 << 24)
 #define RXF_IP6 (1 << 25)
 	__be16 hdr_len;
 	__be16 err_vec;
 };

 struct cpl_trace_pkt {
 	u8 opcode;
 	u8 intf;
 #if defined(__LITTLE_ENDIAN_BITFIELD)
 	u8 runt:4;
 	u8 filter_hit:4;
 	u8 :6;
 	u8 err:1;
 	u8 trunc:1;
 #else
 	u8 filter_hit:4;
 	u8 runt:4;
 	u8 trunc:1;
 	u8 err:1;
 	u8 :6;
 #endif
 	__be16 rsvd;
 	__be16 len;
 	__be64 tstamp;
 };

 struct cpl_l2t_write_req {
 	WR_HDR;
 	union opcode_tid ot;
 	__be16 params;
 #define L2T_W_INFO(x)    ((x) << 2)
 #define L2T_W_PORT(x)    ((x) << 8)
 #define L2T_W_NOREPLY(x) ((x) << 15)
 	__be16 l2t_idx;
 	__be16 vlan;
 	u8 dst_mac[6];
 };

 struct cpl_l2t_write_rpl {
 	union opcode_tid ot;
 	u8 status;
 	u8 rsvd[3];
 };

 struct cpl_rdma_terminate {
 	union opcode_tid ot;
 	__be16 rsvd;
 	__be16 len;
 };

 struct cpl_sge_egr_update {
 	__be32 opcode_qid;
 #define EGR_QID(x) ((x) & 0x1FFFF)
 	__be16 cidx;
 	__be16 pidx;
 };

 struct cpl_fw4_pld {
 	u8 opcode;
 	u8 rsvd0[3];
 	u8 type;
 	u8 rsvd1;
 	__be16 len;
 	__be64 data;
 	__be64 rsvd2;
 };

 struct cpl_fw6_pld {
 	u8 opcode;
 	u8 rsvd[5];
 	__be16 len;
 	__be64 data[4];
 };

 struct cpl_fw4_msg {
 	u8 opcode;
 	u8 type;
 	__be16 rsvd0;
 	__be32 rsvd1;
 	__be64 data[2];
 };

 struct cpl_fw4_ack {
 	union opcode_tid ot;
 	u8 credits;
 	u8 rsvd0[2];
 	u8 seq_vld;
 	__be32 snd_nxt;
 	__be32 snd_una;
 	__be64 rsvd1;
 };

 struct cpl_fw6_msg {
 	u8 opcode;
 	u8 type;
 	__be16 rsvd0;
 	__be32 rsvd1;
 	__be64 data[4];
 };

 /* cpl_fw6_msg.type values */
 enum {
 	FW6_TYPE_CMD_RPL = 0,
 };

 enum {
 	ULP_TX_MEM_READ = 2,
 	ULP_TX_MEM_WRITE = 3,
 	ULP_TX_PKT = 4
 };

 enum {
 	ULP_TX_SC_NOOP = 0x80,
 	ULP_TX_SC_IMM  = 0x81,
 	ULP_TX_SC_DSGL = 0x82,
 	ULP_TX_SC_ISGL = 0x83
 };

 struct ulptx_sge_pair {
 	__be32 len[2];
 	__be64 addr[2];
 };

 struct ulptx_sgl {
 	__be32 cmd_nsge;
 #define ULPTX_CMD(x) ((x) << 24)
 #define ULPTX_NSGE(x) ((x) << 0)
 #define ULPTX_MORE (1U << 23)
 	__be32 len0;
 	__be64 addr0;
 	struct ulptx_sge_pair sge[0];
 };

 struct ulp_mem_io {
 	WR_HDR;
 	__be32 cmd;
 #define ULP_MEMIO_ORDER(x) ((x) << 23)
 	__be32 len16;             /* command length */
 	__be32 dlen;              /* data length in 32-byte units */
 #define ULP_MEMIO_DATA_LEN(x) ((x) << 0)
 	__be32 lock_addr;
 #define ULP_MEMIO_ADDR(x) ((x) << 0)
 #define ULP_MEMIO_LOCK(x) ((x) << 31)
 };

 #endif  /* __T4_MSG_H */
	/*
	* This file is part of the Chelsio T4 Ethernet driver for Linux.
	*
	* Copyright (c) 2003-2010 Chelsio Communications, Inc. All rights reserved.
	*
	* This software is available to you under a choice of one of two
	* licenses. You may choose to be licensed under the terms of the GNU
	* General Public License (GPL) Version 2, available from the file
	* COPYING in the main directory of this source tree, or the
	* OpenIB.org BSD license below:
	*
	* Redistribution and use in source and binary forms, with or
	* without modification, are permitted provided that the following
	* conditions are met:
	*
	* - Redistributions of source code must retain the above
	* copyright notice, this list of conditions and the following
	* disclaimer.
	*
	* - 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.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	* SOFTWARE.
	*/

	#ifndef __T4_MSG_H
	#define __T4_MSG_H

	#include <linux/types.h>

	enum {
	CPL_PASS_OPEN_REQ = 0x1,
	CPL_PASS_ACCEPT_RPL = 0x2,
	CPL_ACT_OPEN_REQ = 0x3,
	CPL_SET_TCB_FIELD = 0x5,
	CPL_GET_TCB = 0x6,
	CPL_CLOSE_CON_REQ = 0x8,
	CPL_CLOSE_LISTSRV_REQ = 0x9,
	CPL_ABORT_REQ = 0xA,
	CPL_ABORT_RPL = 0xB,
	CPL_RX_DATA_ACK = 0xD,
	CPL_TX_PKT = 0xE,
	CPL_L2T_WRITE_REQ = 0x12,
	CPL_TID_RELEASE = 0x1A,

	CPL_CLOSE_LISTSRV_RPL = 0x20,
	CPL_L2T_WRITE_RPL = 0x23,
	CPL_PASS_OPEN_RPL = 0x24,
	CPL_ACT_OPEN_RPL = 0x25,
	CPL_PEER_CLOSE = 0x26,
	CPL_ABORT_REQ_RSS = 0x2B,
	CPL_ABORT_RPL_RSS = 0x2D,

	CPL_CLOSE_CON_RPL = 0x32,
	CPL_ISCSI_HDR = 0x33,
	CPL_RDMA_CQE = 0x35,
	CPL_RDMA_CQE_READ_RSP = 0x36,
	CPL_RDMA_CQE_ERR = 0x37,
	CPL_RX_DATA = 0x39,
	CPL_SET_TCB_RPL = 0x3A,
	CPL_RX_PKT = 0x3B,
	CPL_RX_DDP_COMPLETE = 0x3F,

	CPL_ACT_ESTABLISH = 0x40,
	CPL_PASS_ESTABLISH = 0x41,
	CPL_RX_DATA_DDP = 0x42,
	CPL_PASS_ACCEPT_REQ = 0x44,

	CPL_RDMA_READ_REQ = 0x60,

	CPL_PASS_OPEN_REQ6 = 0x81,
	CPL_ACT_OPEN_REQ6 = 0x83,

	CPL_RDMA_TERMINATE = 0xA2,
	CPL_RDMA_WRITE = 0xA4,
	CPL_SGE_EGR_UPDATE = 0xA5,

	CPL_TRACE_PKT = 0xB0,

	CPL_FW4_MSG = 0xC0,
	CPL_FW4_PLD = 0xC1,
	CPL_FW4_ACK = 0xC3,

	CPL_FW6_MSG = 0xE0,
	CPL_FW6_PLD = 0xE1,
	CPL_TX_PKT_LSO = 0xED,
	CPL_TX_PKT_XT = 0xEE,

	NUM_CPL_CMDS
	};

	enum CPL_error {
	CPL_ERR_NONE = 0,
	CPL_ERR_TCAM_FULL = 3,
	CPL_ERR_BAD_LENGTH = 15,
	CPL_ERR_BAD_ROUTE = 18,
	CPL_ERR_CONN_RESET = 20,
	CPL_ERR_CONN_EXIST_SYNRECV = 21,
	CPL_ERR_CONN_EXIST = 22,
	CPL_ERR_ARP_MISS = 23,
	CPL_ERR_BAD_SYN = 24,
	CPL_ERR_CONN_TIMEDOUT = 30,
	CPL_ERR_XMIT_TIMEDOUT = 31,
	CPL_ERR_PERSIST_TIMEDOUT = 32,
	CPL_ERR_FINWAIT2_TIMEDOUT = 33,
	CPL_ERR_KEEPALIVE_TIMEDOUT = 34,
	CPL_ERR_RTX_NEG_ADVICE = 35,
	CPL_ERR_PERSIST_NEG_ADVICE = 36,
	CPL_ERR_ABORT_FAILED = 42,
	CPL_ERR_IWARP_FLM = 50,
	};

	enum {
	ULP_MODE_NONE = 0,
	ULP_MODE_ISCSI = 2,
	ULP_MODE_RDMA = 4,
	ULP_MODE_TCPDDP = 5,
	ULP_MODE_FCOE = 6,
	};

	enum {
	ULP_CRC_HEADER = 1 << 0,
	ULP_CRC_DATA = 1 << 1
	};

	enum {
	CPL_ABORT_SEND_RST = 0,
	CPL_ABORT_NO_RST,
	};

	enum { /* TX_PKT_XT checksum types */
	TX_CSUM_TCP = 0,
	TX_CSUM_UDP = 1,
	TX_CSUM_CRC16 = 4,
	TX_CSUM_CRC32 = 5,
	TX_CSUM_CRC32C = 6,
	TX_CSUM_FCOE = 7,
	TX_CSUM_TCPIP = 8,
	TX_CSUM_UDPIP = 9,
	TX_CSUM_TCPIP6 = 10,
	TX_CSUM_UDPIP6 = 11,
	TX_CSUM_IP = 12,
	};

	union opcode_tid {
	__be32 opcode_tid;
	u8 opcode;
	};

	#define CPL_OPCODE(x) ((x) << 24)
	#define MK_OPCODE_TID(opcode, tid) (CPL_OPCODE(opcode) \| (tid))
	#define OPCODE_TID(cmd) ((cmd)->ot.opcode_tid)
	#define GET_TID(cmd) (ntohl(OPCODE_TID(cmd)) & 0xFFFFFF)

	/* partitioning of TID fields that also carry a queue id */
	#define GET_TID_TID(x) ((x) & 0x3fff)
	#define GET_TID_QID(x) (((x) >> 14) & 0x3ff)
	#define TID_QID(x) ((x) << 14)

	struct rss_header {
	u8 opcode;
	#if defined(__LITTLE_ENDIAN_BITFIELD)
	u8 channel:2;
	u8 filter_hit:1;
	u8 filter_tid:1;
	u8 hash_type:2;
	u8 ipv6:1;
	u8 send2fw:1;
	#else
	u8 send2fw:1;
	u8 ipv6:1;
	u8 hash_type:2;
	u8 filter_tid:1;
	u8 filter_hit:1;
	u8 channel:2;
	#endif
	__be16 qid;
	__be32 hash_val;
	};

	struct work_request_hdr {
	__be32 wr_hi;
	__be32 wr_mid;
	__be64 wr_lo;
	};

	#define WR_HDR struct work_request_hdr wr

	struct cpl_pass_open_req {
	WR_HDR;
	union opcode_tid ot;
	__be16 local_port;
	__be16 peer_port;
	__be32 local_ip;
	__be32 peer_ip;
	__be64 opt0;
	#define TX_CHAN(x) ((x) << 2)
	#define DELACK(x) ((x) << 5)
	#define ULP_MODE(x) ((x) << 8)
	#define RCV_BUFSIZ(x) ((x) << 12)
	#define DSCP(x) ((x) << 22)
	#define SMAC_SEL(x) ((u64)(x) << 28)
	#define L2T_IDX(x) ((u64)(x) << 36)
	#define NAGLE(x) ((u64)(x) << 49)
	#define WND_SCALE(x) ((u64)(x) << 50)
	#define KEEP_ALIVE(x) ((u64)(x) << 54)
	#define MSS_IDX(x) ((u64)(x) << 60)
	__be64 opt1;
	#define SYN_RSS_ENABLE (1 << 0)
	#define SYN_RSS_QUEUE(x) ((x) << 2)
	#define CONN_POLICY_ASK (1 << 22)
	};

	struct cpl_pass_open_req6 {
	WR_HDR;
	union opcode_tid ot;
	__be16 local_port;
	__be16 peer_port;
	__be64 local_ip_hi;
	__be64 local_ip_lo;
	__be64 peer_ip_hi;
	__be64 peer_ip_lo;
	__be64 opt0;
	__be64 opt1;
	};

	struct cpl_pass_open_rpl {
	union opcode_tid ot;
	u8 rsvd[3];
	u8 status;
	};

	struct cpl_pass_accept_rpl {
	WR_HDR;
	union opcode_tid ot;
	__be32 opt2;
	#define RSS_QUEUE(x) ((x) << 0)
	#define RSS_QUEUE_VALID (1 << 10)
	#define RX_COALESCE_VALID(x) ((x) << 11)
	#define RX_COALESCE(x) ((x) << 12)
	#define TX_QUEUE(x) ((x) << 23)
	#define RX_CHANNEL(x) ((x) << 26)
	#define WND_SCALE_EN(x) ((x) << 28)
	#define TSTAMPS_EN(x) ((x) << 29)
	#define SACK_EN(x) ((x) << 30)
	__be64 opt0;
	};

	struct cpl_act_open_req {
	WR_HDR;
	union opcode_tid ot;
	__be16 local_port;
	__be16 peer_port;
	__be32 local_ip;
	__be32 peer_ip;
	__be64 opt0;
	__be32 params;
	__be32 opt2;
	};

	struct cpl_act_open_req6 {
	WR_HDR;
	union opcode_tid ot;
	__be16 local_port;
	__be16 peer_port;
	__be64 local_ip_hi;
	__be64 local_ip_lo;
	__be64 peer_ip_hi;
	__be64 peer_ip_lo;
	__be64 opt0;
	__be32 params;
	__be32 opt2;
	};

	struct cpl_act_open_rpl {
	union opcode_tid ot;
	__be32 atid_status;
	#define GET_AOPEN_STATUS(x) ((x) & 0xff)
	#define GET_AOPEN_ATID(x) (((x) >> 8) & 0xffffff)
	};

	struct cpl_pass_establish {
	union opcode_tid ot;
	__be32 rsvd;
	__be32 tos_stid;
	#define GET_POPEN_TID(x) ((x) & 0xffffff)
	#define GET_POPEN_TOS(x) (((x) >> 24) & 0xff)
	__be16 mac_idx;
	__be16 tcp_opt;
	#define GET_TCPOPT_WSCALE_OK(x) (((x) >> 5) & 1)
	#define GET_TCPOPT_SACK(x) (((x) >> 6) & 1)
	#define GET_TCPOPT_TSTAMP(x) (((x) >> 7) & 1)
	#define GET_TCPOPT_SND_WSCALE(x) (((x) >> 8) & 0xf)
	#define GET_TCPOPT_MSS(x) (((x) >> 12) & 0xf)
	__be32 snd_isn;
	__be32 rcv_isn;
	};

	struct cpl_act_establish {
	union opcode_tid ot;
	__be32 rsvd;
	__be32 tos_atid;
	__be16 mac_idx;
	__be16 tcp_opt;
	__be32 snd_isn;
	__be32 rcv_isn;
	};

	struct cpl_get_tcb {
	WR_HDR;
	union opcode_tid ot;
	__be16 reply_ctrl;
	#define QUEUENO(x) ((x) << 0)
	#define REPLY_CHAN(x) ((x) << 14)
	#define NO_REPLY(x) ((x) << 15)
	__be16 cookie;
	};

	struct cpl_set_tcb_field {
	WR_HDR;
	union opcode_tid ot;
	__be16 reply_ctrl;
	__be16 word_cookie;
	#define TCB_WORD(x) ((x) << 0)
	#define TCB_COOKIE(x) ((x) << 5)
	__be64 mask;
	__be64 val;
	};

	struct cpl_set_tcb_rpl {
	union opcode_tid ot;
	__be16 rsvd;
	u8 cookie;
	u8 status;
	__be64 oldval;
	};

	struct cpl_close_con_req {
	WR_HDR;
	union opcode_tid ot;
	__be32 rsvd;
	};

	struct cpl_close_con_rpl {
	union opcode_tid ot;
	u8 rsvd[3];
	u8 status;
	__be32 snd_nxt;
	__be32 rcv_nxt;
	};

	struct cpl_close_listsvr_req {
	WR_HDR;
	union opcode_tid ot;
	__be16 reply_ctrl;
	#define LISTSVR_IPV6 (1 << 14)
	__be16 rsvd;
	};

	struct cpl_close_listsvr_rpl {
	union opcode_tid ot;
	u8 rsvd[3];
	u8 status;
	};

	struct cpl_abort_req_rss {
	union opcode_tid ot;
	u8 rsvd[3];
	u8 status;
	};

	struct cpl_abort_req {
	WR_HDR;
	union opcode_tid ot;
	__be32 rsvd0;
	u8 rsvd1;
	u8 cmd;
	u8 rsvd2[6];
	};

	struct cpl_abort_rpl_rss {
	union opcode_tid ot;
	u8 rsvd[3];
	u8 status;
	};

	struct cpl_abort_rpl {
	WR_HDR;
	union opcode_tid ot;
	__be32 rsvd0;
	u8 rsvd1;
	u8 cmd;
	u8 rsvd2[6];
	};

	struct cpl_peer_close {
	union opcode_tid ot;
	__be32 rcv_nxt;
	};

	struct cpl_tid_release {
	WR_HDR;
	union opcode_tid ot;
	__be32 rsvd;
	};

	struct cpl_tx_pkt_core {
	__be32 ctrl0;
	#define TXPKT_VF(x) ((x) << 0)
	#define TXPKT_PF(x) ((x) << 8)
	#define TXPKT_VF_VLD (1 << 11)
	#define TXPKT_OVLAN_IDX(x) ((x) << 12)
	#define TXPKT_INTF(x) ((x) << 16)
	#define TXPKT_INS_OVLAN (1 << 21)
	#define TXPKT_OPCODE(x) ((x) << 24)
	__be16 pack;
	__be16 len;
	__be64 ctrl1;
	#define TXPKT_CSUM_END(x) ((x) << 12)
	#define TXPKT_CSUM_START(x) ((x) << 20)
	#define TXPKT_IPHDR_LEN(x) ((u64)(x) << 20)
	#define TXPKT_CSUM_LOC(x) ((u64)(x) << 30)
	#define TXPKT_ETHHDR_LEN(x) ((u64)(x) << 34)
	#define TXPKT_CSUM_TYPE(x) ((u64)(x) << 40)
	#define TXPKT_VLAN(x) ((u64)(x) << 44)
	#define TXPKT_VLAN_VLD (1ULL << 60)
	#define TXPKT_IPCSUM_DIS (1ULL << 62)
	#define TXPKT_L4CSUM_DIS (1ULL << 63)
	};

	struct cpl_tx_pkt {
	WR_HDR;
	struct cpl_tx_pkt_core c;
	};

	#define cpl_tx_pkt_xt cpl_tx_pkt

	struct cpl_tx_pkt_lso_core {
	__be32 lso_ctrl;
	#define LSO_TCPHDR_LEN(x) ((x) << 0)
	#define LSO_IPHDR_LEN(x) ((x) << 4)
	#define LSO_ETHHDR_LEN(x) ((x) << 16)
	#define LSO_IPV6(x) ((x) << 20)
	#define LSO_LAST_SLICE (1 << 22)
	#define LSO_FIRST_SLICE (1 << 23)
	#define LSO_OPCODE(x) ((x) << 24)
	__be16 ipid_ofst;
	__be16 mss;
	__be32 seqno_offset;
	__be32 len;
	/* encapsulated CPL (TX_PKT, TX_PKT_XT or TX_DATA) follows here */
	};

	struct cpl_tx_pkt_lso {
	WR_HDR;
	struct cpl_tx_pkt_lso_core c;
	/* encapsulated CPL (TX_PKT, TX_PKT_XT or TX_DATA) follows here */
	};

	struct cpl_iscsi_hdr {
	union opcode_tid ot;
	__be16 pdu_len_ddp;
	#define ISCSI_PDU_LEN(x) ((x) & 0x7FFF)
	#define ISCSI_DDP (1 << 15)
	__be16 len;
	__be32 seq;
	__be16 urg;
	u8 rsvd;
	u8 status;
	};

	struct cpl_rx_data {
	union opcode_tid ot;
	__be16 rsvd;
	__be16 len;
	__be32 seq;
	__be16 urg;
	#if defined(__LITTLE_ENDIAN_BITFIELD)
	u8 dack_mode:2;
	u8 psh:1;
	u8 heartbeat:1;
	u8 ddp_off:1;
	u8 :3;
	#else
	u8 :3;
	u8 ddp_off:1;
	u8 heartbeat:1;
	u8 psh:1;
	u8 dack_mode:2;
	#endif
	u8 status;
	};

	struct cpl_rx_data_ack {
	WR_HDR;
	union opcode_tid ot;
	__be32 credit_dack;
	#define RX_CREDITS(x) ((x) << 0)
	#define RX_FORCE_ACK(x) ((x) << 28)
	};

	struct cpl_rx_pkt {
	struct rss_header rsshdr;
	u8 opcode;
	#if defined(__LITTLE_ENDIAN_BITFIELD)
	u8 iff:4;
	u8 csum_calc:1;
	u8 ipmi_pkt:1;
	u8 vlan_ex:1;
	u8 ip_frag:1;
	#else
	u8 ip_frag:1;
	u8 vlan_ex:1;
	u8 ipmi_pkt:1;
	u8 csum_calc:1;
	u8 iff:4;
	#endif
	__be16 csum;
	__be16 vlan;
	__be16 len;
	__be32 l2info;
	#define RXF_UDP (1 << 22)
	#define RXF_TCP (1 << 23)
	#define RXF_IP (1 << 24)
	#define RXF_IP6 (1 << 25)
	__be16 hdr_len;
	__be16 err_vec;
	};

	struct cpl_trace_pkt {
	u8 opcode;
	u8 intf;
	#if defined(__LITTLE_ENDIAN_BITFIELD)
	u8 runt:4;
	u8 filter_hit:4;
	u8 :6;
	u8 err:1;
	u8 trunc:1;
	#else
	u8 filter_hit:4;
	u8 runt:4;
	u8 trunc:1;
	u8 err:1;
	u8 :6;
	#endif
	__be16 rsvd;
	__be16 len;
	__be64 tstamp;
	};

	struct cpl_l2t_write_req {
	WR_HDR;
	union opcode_tid ot;
	__be16 params;
	#define L2T_W_INFO(x) ((x) << 2)
	#define L2T_W_PORT(x) ((x) << 8)
	#define L2T_W_NOREPLY(x) ((x) << 15)
	__be16 l2t_idx;
	__be16 vlan;
	u8 dst_mac[6];
	};

	struct cpl_l2t_write_rpl {
	union opcode_tid ot;
	u8 status;
	u8 rsvd[3];
	};

	struct cpl_rdma_terminate {
	union opcode_tid ot;
	__be16 rsvd;
	__be16 len;
	};

	struct cpl_sge_egr_update {
	__be32 opcode_qid;
	#define EGR_QID(x) ((x) & 0x1FFFF)
	__be16 cidx;
	__be16 pidx;
	};

	struct cpl_fw4_pld {
	u8 opcode;
	u8 rsvd0[3];
	u8 type;
	u8 rsvd1;
	__be16 len;
	__be64 data;
	__be64 rsvd2;
	};

	struct cpl_fw6_pld {
	u8 opcode;
	u8 rsvd[5];
	__be16 len;
	__be64 data[4];
	};

	struct cpl_fw4_msg {
	u8 opcode;
	u8 type;
	__be16 rsvd0;
	__be32 rsvd1;
	__be64 data[2];
	};

	struct cpl_fw4_ack {
	union opcode_tid ot;
	u8 credits;
	u8 rsvd0[2];
	u8 seq_vld;
	__be32 snd_nxt;
	__be32 snd_una;
	__be64 rsvd1;
	};

	struct cpl_fw6_msg {
	u8 opcode;
	u8 type;
	__be16 rsvd0;
	__be32 rsvd1;
	__be64 data[4];
	};

	/* cpl_fw6_msg.type values */
	enum {
	FW6_TYPE_CMD_RPL = 0,
	};

	enum {
	ULP_TX_MEM_READ = 2,
	ULP_TX_MEM_WRITE = 3,
	ULP_TX_PKT = 4
	};

	enum {
	ULP_TX_SC_NOOP = 0x80,
	ULP_TX_SC_IMM = 0x81,
	ULP_TX_SC_DSGL = 0x82,
	ULP_TX_SC_ISGL = 0x83
	};

	struct ulptx_sge_pair {
	__be32 len[2];
	__be64 addr[2];
	};

	struct ulptx_sgl {
	__be32 cmd_nsge;
	#define ULPTX_CMD(x) ((x) << 24)
	#define ULPTX_NSGE(x) ((x) << 0)
	#define ULPTX_MORE (1U << 23)
	__be32 len0;
	__be64 addr0;
	struct ulptx_sge_pair sge[0];
	};

	struct ulp_mem_io {
	WR_HDR;
	__be32 cmd;
	#define ULP_MEMIO_ORDER(x) ((x) << 23)
	__be32 len16; /* command length */
	__be32 dlen; /* data length in 32-byte units */
	#define ULP_MEMIO_DATA_LEN(x) ((x) << 0)
	__be32 lock_addr;
	#define ULP_MEMIO_ADDR(x) ((x) << 0)
	#define ULP_MEMIO_LOCK(x) ((x) << 31)
	};

	#endif /* __T4_MSG_H */