[deliverable/linux.git] / drivers / net / ethernet / chelsio / cxgb4 / 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_TRACE_PKT_T5      = 0x48,

	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_KEEPALV_NEG_ADVICE = 37,
	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 G_CPL_OPCODE(x) (((x) >> 24) & 0xFF)
#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;
};

/* wr_hi fields */
#define S_WR_OP    24
#define V_WR_OP(x) ((__u64)(x) << S_WR_OP)

#define WR_HDR struct work_request_hdr wr

/* option 0 fields */
#define S_MSS_IDX    60
#define M_MSS_IDX    0xF
#define V_MSS_IDX(x) ((__u64)(x) << S_MSS_IDX)
#define G_MSS_IDX(x) (((x) >> S_MSS_IDX) & M_MSS_IDX)

/* option 2 fields */
#define S_RSS_QUEUE    0
#define M_RSS_QUEUE    0x3FF
#define V_RSS_QUEUE(x) ((x) << S_RSS_QUEUE)
#define G_RSS_QUEUE(x) (((x) >> S_RSS_QUEUE) & M_RSS_QUEUE)

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 NO_CONG(x)    ((x) << 4)
#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 TCAM_BYPASS(x) ((u64)(x) << 48)
#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 PACE(x)	      ((x) << 16)
#define TX_QUEUE(x)          ((x) << 23)
#define RX_CHANNEL(x)        ((x) << 26)
#define CCTRL_ECN(x)         ((x) << 27)
#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;
};

#define S_FILTER_TUPLE  24
#define M_FILTER_TUPLE  0xFFFFFFFFFF
#define V_FILTER_TUPLE(x) ((x) << S_FILTER_TUPLE)
#define G_FILTER_TUPLE(x) (((x) >> S_FILTER_TUPLE) & M_FILTER_TUPLE)
struct cpl_t5_act_open_req {
	WR_HDR;
	union opcode_tid ot;
	__be16 local_port;
	__be16 peer_port;
	__be32 local_ip;
	__be32 peer_ip;
	__be64 opt0;
	__be32 rsvd;
	__be32 opt2;
	__be64 params;
};

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_t5_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 rsvd;
	__be32 opt2;
	__be64 params;
};

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 PASS_OPEN_TID(x) ((x) << 0)
#define PASS_OPEN_TOS(x) ((x) << 24)
#define GET_PASS_OPEN_TID(x)	(((x) >> 0) & 0xFFFFFF)
#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)
#define GET_TCB_COOKIE(x) (((x) >> 5) & 7)
	__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(x) ((x) << 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;
};

/* rx_pkt.l2info fields */
#define S_RX_ETHHDR_LEN    0
#define M_RX_ETHHDR_LEN    0x1F
#define V_RX_ETHHDR_LEN(x) ((x) << S_RX_ETHHDR_LEN)
#define G_RX_ETHHDR_LEN(x) (((x) >> S_RX_ETHHDR_LEN) & M_RX_ETHHDR_LEN)

#define S_RX_T5_ETHHDR_LEN    0
#define M_RX_T5_ETHHDR_LEN    0x3F
#define V_RX_T5_ETHHDR_LEN(x) ((x) << S_RX_T5_ETHHDR_LEN)
#define G_RX_T5_ETHHDR_LEN(x) (((x) >> S_RX_T5_ETHHDR_LEN) & M_RX_T5_ETHHDR_LEN)

#define S_RX_MACIDX    8
#define M_RX_MACIDX    0x1FF
#define V_RX_MACIDX(x) ((x) << S_RX_MACIDX)
#define G_RX_MACIDX(x) (((x) >> S_RX_MACIDX) & M_RX_MACIDX)

#define S_RXF_SYN    21
#define V_RXF_SYN(x) ((x) << S_RXF_SYN)
#define F_RXF_SYN    V_RXF_SYN(1U)

#define S_RX_CHAN    28
#define M_RX_CHAN    0xF
#define V_RX_CHAN(x) ((x) << S_RX_CHAN)
#define G_RX_CHAN(x) (((x) >> S_RX_CHAN) & M_RX_CHAN)

/* rx_pkt.hdr_len fields */
#define S_RX_TCPHDR_LEN    0
#define M_RX_TCPHDR_LEN    0x3F
#define V_RX_TCPHDR_LEN(x) ((x) << S_RX_TCPHDR_LEN)
#define G_RX_TCPHDR_LEN(x) (((x) >> S_RX_TCPHDR_LEN) & M_RX_TCPHDR_LEN)

#define S_RX_IPHDR_LEN    6
#define M_RX_IPHDR_LEN    0x3FF
#define V_RX_IPHDR_LEN(x) ((x) << S_RX_IPHDR_LEN)
#define G_RX_IPHDR_LEN(x) (((x) >> S_RX_IPHDR_LEN) & M_RX_IPHDR_LEN)

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_t5_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;
	__be64 rsvd1;
};

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;
};

/* cpl_fw*.type values */
enum {
	FW_TYPE_CMD_RPL = 0,
	FW_TYPE_WR_RPL = 1,
	FW_TYPE_CQE = 2,
	FW_TYPE_OFLD_CONNECTION_WR_RPL = 3,
	FW_TYPE_RSSCPL = 4,
};

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,
	FW6_TYPE_WR_RPL = 1,
	FW6_TYPE_CQE = 2,
	FW6_TYPE_OFLD_CONNECTION_WR_RPL = 3,
	FW6_TYPE_RSSCPL = FW_TYPE_RSSCPL,
};

struct cpl_fw6_msg_ofld_connection_wr_rpl {
	__u64   cookie;
	__be32  tid;    /* or atid in case of active failure */
	__u8    t_state;
	__u8    retval;
	__u8    rsvd[2];
};

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)
};

#define S_T5_ULP_MEMIO_IMM    23
#define V_T5_ULP_MEMIO_IMM(x) ((x) << S_T5_ULP_MEMIO_IMM)
#define F_T5_ULP_MEMIO_IMM    V_T5_ULP_MEMIO_IMM(1U)

#define S_T5_ULP_MEMIO_ORDER    22
#define V_T5_ULP_MEMIO_ORDER(x) ((x) << S_T5_ULP_MEMIO_ORDER)
#define F_T5_ULP_MEMIO_ORDER    V_T5_ULP_MEMIO_ORDER(1U)

#endif  /* __T4_MSG_H */
Commit	Line	Data
bbc02c7e DM	1	/*
	2	* This file is part of the Chelsio T4 Ethernet driver for Linux.
	3	*
	4	* Copyright (c) 2003-2010 Chelsio Communications, Inc. All rights reserved.
	5	*
	6	* This software is available to you under a choice of one of two
	7	* licenses. You may choose to be licensed under the terms of the GNU
	8	* General Public License (GPL) Version 2, available from the file
	9	* COPYING in the main directory of this source tree, or the
	10	* OpenIB.org BSD license below:
	11	*
	12	* Redistribution and use in source and binary forms, with or
	13	* without modification, are permitted provided that the following
	14	* conditions are met:
	15	*
	16	* - Redistributions of source code must retain the above
	17	* copyright notice, this list of conditions and the following
	18	* disclaimer.
	19	*
	20	* - Redistributions in binary form must reproduce the above
	21	* copyright notice, this list of conditions and the following
	22	* disclaimer in the documentation and/or other materials
	23	* provided with the distribution.
	24	*
	25	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	26	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	27	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	28	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	29	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	30	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	31	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	32	* SOFTWARE.
	33	*/
	34
	35	#ifndef __T4_MSG_H
	36	#define __T4_MSG_H
	37
	38	#include <linux/types.h>
	39
	40	enum {
	41	CPL_PASS_OPEN_REQ = 0x1,
	42	CPL_PASS_ACCEPT_RPL = 0x2,
	43	CPL_ACT_OPEN_REQ = 0x3,
	44	CPL_SET_TCB_FIELD = 0x5,
	45	CPL_GET_TCB = 0x6,
	46	CPL_CLOSE_CON_REQ = 0x8,
	47	CPL_CLOSE_LISTSRV_REQ = 0x9,
	48	CPL_ABORT_REQ = 0xA,
	49	CPL_ABORT_RPL = 0xB,
	50	CPL_RX_DATA_ACK = 0xD,
	51	CPL_TX_PKT = 0xE,
	52	CPL_L2T_WRITE_REQ = 0x12,
	53	CPL_TID_RELEASE = 0x1A,
	54
	55	CPL_CLOSE_LISTSRV_RPL = 0x20,
	56	CPL_L2T_WRITE_RPL = 0x23,
	57	CPL_PASS_OPEN_RPL = 0x24,
	58	CPL_ACT_OPEN_RPL = 0x25,
	59	CPL_PEER_CLOSE = 0x26,
	60	CPL_ABORT_REQ_RSS = 0x2B,
	61	CPL_ABORT_RPL_RSS = 0x2D,
	62
	63	CPL_CLOSE_CON_RPL = 0x32,
	64	CPL_ISCSI_HDR = 0x33,
65	CPL_RDMA_CQE = 0x35,
66	CPL_RDMA_CQE_READ_RSP = 0x36,
67	CPL_RDMA_CQE_ERR = 0x37,
68	CPL_RX_DATA = 0x39,
69	CPL_SET_TCB_RPL = 0x3A,
70	CPL_RX_PKT = 0x3B,
71	CPL_RX_DDP_COMPLETE = 0x3F,
72
73	CPL_ACT_ESTABLISH = 0x40,
74	CPL_PASS_ESTABLISH = 0x41,
75	CPL_RX_DATA_DDP = 0x42,
76	CPL_PASS_ACCEPT_REQ = 0x44,
2422d9a3	77	CPL_TRACE_PKT_T5 = 0x48,
bbc02c7e DM	78
	79	CPL_RDMA_READ_REQ = 0x60,
	80
	81	CPL_PASS_OPEN_REQ6 = 0x81,
	82	CPL_ACT_OPEN_REQ6 = 0x83,
	83
	84	CPL_RDMA_TERMINATE = 0xA2,
	85	CPL_RDMA_WRITE = 0xA4,
	86	CPL_SGE_EGR_UPDATE = 0xA5,
	87
	88	CPL_TRACE_PKT = 0xB0,
	89
	90	CPL_FW4_MSG = 0xC0,
	91	CPL_FW4_PLD = 0xC1,
	92	CPL_FW4_ACK = 0xC3,
	93
	94	CPL_FW6_MSG = 0xE0,
	95	CPL_FW6_PLD = 0xE1,
	96	CPL_TX_PKT_LSO = 0xED,
	97	CPL_TX_PKT_XT = 0xEE,
	98
	99	NUM_CPL_CMDS
	100	};
	101
	102	enum CPL_error {
	103	CPL_ERR_NONE = 0,
	104	CPL_ERR_TCAM_FULL = 3,
	105	CPL_ERR_BAD_LENGTH = 15,
	106	CPL_ERR_BAD_ROUTE = 18,
	107	CPL_ERR_CONN_RESET = 20,
	108	CPL_ERR_CONN_EXIST_SYNRECV = 21,
	109	CPL_ERR_CONN_EXIST = 22,
	110	CPL_ERR_ARP_MISS = 23,
	111	CPL_ERR_BAD_SYN = 24,
	112	CPL_ERR_CONN_TIMEDOUT = 30,
	113	CPL_ERR_XMIT_TIMEDOUT = 31,
	114	CPL_ERR_PERSIST_TIMEDOUT = 32,
	115	CPL_ERR_FINWAIT2_TIMEDOUT = 33,
	116	CPL_ERR_KEEPALIVE_TIMEDOUT = 34,
	117	CPL_ERR_RTX_NEG_ADVICE = 35,
	118	CPL_ERR_PERSIST_NEG_ADVICE = 36,
7a2cea2a	119	CPL_ERR_KEEPALV_NEG_ADVICE = 37,
bbc02c7e DM	120	CPL_ERR_ABORT_FAILED = 42,
	121	CPL_ERR_IWARP_FLM = 50,
	122	};
	123
	124	enum {
	125	ULP_MODE_NONE = 0,
	126	ULP_MODE_ISCSI = 2,
	127	ULP_MODE_RDMA = 4,
b48f3b9c	128	ULP_MODE_TCPDDP = 5,
bbc02c7e DM	129	ULP_MODE_FCOE = 6,
	130	};
	131
	132	enum {
	133	ULP_CRC_HEADER = 1 << 0,
	134	ULP_CRC_DATA = 1 << 1
	135	};
	136
	137	enum {
	138	CPL_ABORT_SEND_RST = 0,
	139	CPL_ABORT_NO_RST,
	140	};
	141
	142	enum { /* TX_PKT_XT checksum types */
	143	TX_CSUM_TCP = 0,
	144	TX_CSUM_UDP = 1,
	145	TX_CSUM_CRC16 = 4,
	146	TX_CSUM_CRC32 = 5,
	147	TX_CSUM_CRC32C = 6,
	148	TX_CSUM_FCOE = 7,
	149	TX_CSUM_TCPIP = 8,
	150	TX_CSUM_UDPIP = 9,
	151	TX_CSUM_TCPIP6 = 10,
	152	TX_CSUM_UDPIP6 = 11,
	153	TX_CSUM_IP = 12,
	154	};
	155
	156	union opcode_tid {
	157	__be32 opcode_tid;
	158	u8 opcode;
	159	};
	160
	161	#define CPL_OPCODE(x) ((x) << 24)
94dace10	162	#define G_CPL_OPCODE(x) (((x) >> 24) & 0xFF)
bbc02c7e DM	163	#define MK_OPCODE_TID(opcode, tid) (CPL_OPCODE(opcode) \| (tid))
	164	#define OPCODE_TID(cmd) ((cmd)->ot.opcode_tid)
	165	#define GET_TID(cmd) (ntohl(OPCODE_TID(cmd)) & 0xFFFFFF)
	166
	167	/* partitioning of TID fields that also carry a queue id */
	168	#define GET_TID_TID(x) ((x) & 0x3fff)
	169	#define GET_TID_QID(x) (((x) >> 14) & 0x3ff)
	170	#define TID_QID(x) ((x) << 14)
	171
	172	struct rss_header {
	173	u8 opcode;
	174	#if defined(__LITTLE_ENDIAN_BITFIELD)
	175	u8 channel:2;
	176	u8 filter_hit:1;
	177	u8 filter_tid:1;
	178	u8 hash_type:2;
	179	u8 ipv6:1;
	180	u8 send2fw:1;
	181	#else
	182	u8 send2fw:1;
	183	u8 ipv6:1;
	184	u8 hash_type:2;
	185	u8 filter_tid:1;
	186	u8 filter_hit:1;
	187	u8 channel:2;
	188	#endif
	189	__be16 qid;
	190	__be32 hash_val;
	191	};
	192
	193	struct work_request_hdr {
	194	__be32 wr_hi;
	195	__be32 wr_mid;
	196	__be64 wr_lo;
	197	};
	198
5be78ee9 VP	199	/* wr_hi fields */
	200	#define S_WR_OP 24
	201	#define V_WR_OP(x) ((__u64)(x) << S_WR_OP)
	202
bbc02c7e DM	203	#define WR_HDR struct work_request_hdr wr
bbc02c7e DM	204
1cab775c VP	205	/* option 0 fields */
	206	#define S_MSS_IDX 60
	207	#define M_MSS_IDX 0xF
	208	#define V_MSS_IDX(x) ((__u64)(x) << S_MSS_IDX)
	209	#define G_MSS_IDX(x) (((x) >> S_MSS_IDX) & M_MSS_IDX)
	210
	211	/* option 2 fields */
	212	#define S_RSS_QUEUE 0
	213	#define M_RSS_QUEUE 0x3FF
	214	#define V_RSS_QUEUE(x) ((x) << S_RSS_QUEUE)
	215	#define G_RSS_QUEUE(x) (((x) >> S_RSS_QUEUE) & M_RSS_QUEUE)
	216
bbc02c7e DM	217	struct cpl_pass_open_req {
	218	WR_HDR;
	219	union opcode_tid ot;
	220	__be16 local_port;
	221	__be16 peer_port;
	222	__be32 local_ip;
	223	__be32 peer_ip;
	224	__be64 opt0;
	225	#define TX_CHAN(x) ((x) << 2)
5be78ee9	226	#define NO_CONG(x) ((x) << 4)
bbc02c7e DM	227	#define DELACK(x) ((x) << 5)
	228	#define ULP_MODE(x) ((x) << 8)
	229	#define RCV_BUFSIZ(x) ((x) << 12)
	230	#define DSCP(x) ((x) << 22)
	231	#define SMAC_SEL(x) ((u64)(x) << 28)
	232	#define L2T_IDX(x) ((u64)(x) << 36)
5be78ee9	233	#define TCAM_BYPASS(x) ((u64)(x) << 48)
bbc02c7e DM	234	#define NAGLE(x) ((u64)(x) << 49)
	235	#define WND_SCALE(x) ((u64)(x) << 50)
	236	#define KEEP_ALIVE(x) ((u64)(x) << 54)
	237	#define MSS_IDX(x) ((u64)(x) << 60)
	238	__be64 opt1;
	239	#define SYN_RSS_ENABLE (1 << 0)
	240	#define SYN_RSS_QUEUE(x) ((x) << 2)
	241	#define CONN_POLICY_ASK (1 << 22)
	242	};
	243
	244	struct cpl_pass_open_req6 {
	245	WR_HDR;
	246	union opcode_tid ot;
	247	__be16 local_port;
	248	__be16 peer_port;
	249	__be64 local_ip_hi;
	250	__be64 local_ip_lo;
	251	__be64 peer_ip_hi;
	252	__be64 peer_ip_lo;
	253	__be64 opt0;
	254	__be64 opt1;
	255	};
	256
	257	struct cpl_pass_open_rpl {
	258	union opcode_tid ot;
	259	u8 rsvd[3];
	260	u8 status;
	261	};
	262
	263	struct cpl_pass_accept_rpl {
	264	WR_HDR;
	265	union opcode_tid ot;
	266	__be32 opt2;
	267	#define RSS_QUEUE(x) ((x) << 0)
	268	#define RSS_QUEUE_VALID (1 << 10)
	269	#define RX_COALESCE_VALID(x) ((x) << 11)
	270	#define RX_COALESCE(x) ((x) << 12)
5be78ee9	271	#define PACE(x) ((x) << 16)
bbc02c7e DM	272	#define TX_QUEUE(x) ((x) << 23)
bbc02c7e DM	273	#define RX_CHANNEL(x) ((x) << 26)
5be78ee9	274	#define CCTRL_ECN(x) ((x) << 27)
bbc02c7e DM	275	#define WND_SCALE_EN(x) ((x) << 28)
	276	#define TSTAMPS_EN(x) ((x) << 29)
	277	#define SACK_EN(x) ((x) << 30)
	278	__be64 opt0;
	279	};
	280
	281	struct cpl_act_open_req {
	282	WR_HDR;
	283	union opcode_tid ot;
	284	__be16 local_port;
	285	__be16 peer_port;
	286	__be32 local_ip;
	287	__be32 peer_ip;
	288	__be64 opt0;
	289	__be32 params;
	290	__be32 opt2;
	291	};
	292
2422d9a3 SR	293	#define S_FILTER_TUPLE 24
	294	#define M_FILTER_TUPLE 0xFFFFFFFFFF
	295	#define V_FILTER_TUPLE(x) ((x) << S_FILTER_TUPLE)
	296	#define G_FILTER_TUPLE(x) (((x) >> S_FILTER_TUPLE) & M_FILTER_TUPLE)
	297	struct cpl_t5_act_open_req {
	298	WR_HDR;
	299	union opcode_tid ot;
	300	__be16 local_port;
	301	__be16 peer_port;
	302	__be32 local_ip;
	303	__be32 peer_ip;
	304	__be64 opt0;
	305	__be32 rsvd;
	306	__be32 opt2;
	307	__be64 params;
	308	};
	309
bbc02c7e DM	310	struct cpl_act_open_req6 {
	311	WR_HDR;
	312	union opcode_tid ot;
	313	__be16 local_port;
	314	__be16 peer_port;
	315	__be64 local_ip_hi;
	316	__be64 local_ip_lo;
	317	__be64 peer_ip_hi;
	318	__be64 peer_ip_lo;
	319	__be64 opt0;
	320	__be32 params;
	321	__be32 opt2;
	322	};
	323
80f40c1f VP	324	struct cpl_t5_act_open_req6 {
	325	WR_HDR;
	326	union opcode_tid ot;
	327	__be16 local_port;
	328	__be16 peer_port;
	329	__be64 local_ip_hi;
	330	__be64 local_ip_lo;
	331	__be64 peer_ip_hi;
	332	__be64 peer_ip_lo;
	333	__be64 opt0;
	334	__be32 rsvd;
	335	__be32 opt2;
	336	__be64 params;
	337	};
	338
bbc02c7e DM	339	struct cpl_act_open_rpl {
	340	union opcode_tid ot;
	341	__be32 atid_status;
	342	#define GET_AOPEN_STATUS(x) ((x) & 0xff)
	343	#define GET_AOPEN_ATID(x) (((x) >> 8) & 0xffffff)
	344	};
	345
	346	struct cpl_pass_establish {
	347	union opcode_tid ot;
	348	__be32 rsvd;
	349	__be32 tos_stid;
1cab775c VP	350	#define PASS_OPEN_TID(x) ((x) << 0)
	351	#define PASS_OPEN_TOS(x) ((x) << 24)
	352	#define GET_PASS_OPEN_TID(x) (((x) >> 0) & 0xFFFFFF)
bbc02c7e DM	353	#define GET_POPEN_TID(x) ((x) & 0xffffff)
	354	#define GET_POPEN_TOS(x) (((x) >> 24) & 0xff)
	355	__be16 mac_idx;
	356	__be16 tcp_opt;
	357	#define GET_TCPOPT_WSCALE_OK(x) (((x) >> 5) & 1)
	358	#define GET_TCPOPT_SACK(x) (((x) >> 6) & 1)
	359	#define GET_TCPOPT_TSTAMP(x) (((x) >> 7) & 1)
	360	#define GET_TCPOPT_SND_WSCALE(x) (((x) >> 8) & 0xf)
	361	#define GET_TCPOPT_MSS(x) (((x) >> 12) & 0xf)
	362	__be32 snd_isn;
	363	__be32 rcv_isn;
	364	};
	365
	366	struct cpl_act_establish {
	367	union opcode_tid ot;
	368	__be32 rsvd;
	369	__be32 tos_atid;
	370	__be16 mac_idx;
	371	__be16 tcp_opt;
	372	__be32 snd_isn;
	373	__be32 rcv_isn;
	374	};
	375
	376	struct cpl_get_tcb {
	377	WR_HDR;
	378	union opcode_tid ot;
	379	__be16 reply_ctrl;
	380	#define QUEUENO(x) ((x) << 0)
	381	#define REPLY_CHAN(x) ((x) << 14)
	382	#define NO_REPLY(x) ((x) << 15)
	383	__be16 cookie;
	384	};
	385
	386	struct cpl_set_tcb_field {
	387	WR_HDR;
	388	union opcode_tid ot;
	389	__be16 reply_ctrl;
	390	__be16 word_cookie;
	391	#define TCB_WORD(x) ((x) << 0)
	392	#define TCB_COOKIE(x) ((x) << 5)
f2b7e78d	393	#define GET_TCB_COOKIE(x) (((x) >> 5) & 7)
bbc02c7e DM	394	__be64 mask;
	395	__be64 val;
	396	};
	397
	398	struct cpl_set_tcb_rpl {
	399	union opcode_tid ot;
	400	__be16 rsvd;
	401	u8 cookie;
	402	u8 status;
	403	__be64 oldval;
	404	};
	405
	406	struct cpl_close_con_req {
	407	WR_HDR;
	408	union opcode_tid ot;
	409	__be32 rsvd;
	410	};
	411
	412	struct cpl_close_con_rpl {
	413	union opcode_tid ot;
	414	u8 rsvd[3];
	415	u8 status;
	416	__be32 snd_nxt;
	417	__be32 rcv_nxt;
	418	};
	419
	420	struct cpl_close_listsvr_req {
	421	WR_HDR;
	422	union opcode_tid ot;
	423	__be16 reply_ctrl;
80f40c1f	424	#define LISTSVR_IPV6(x) ((x) << 14)
bbc02c7e DM	425	__be16 rsvd;
	426	};
	427
	428	struct cpl_close_listsvr_rpl {
	429	union opcode_tid ot;
	430	u8 rsvd[3];
	431	u8 status;
	432	};
	433
	434	struct cpl_abort_req_rss {
	435	union opcode_tid ot;
	436	u8 rsvd[3];
	437	u8 status;
	438	};
	439
	440	struct cpl_abort_req {
	441	WR_HDR;
	442	union opcode_tid ot;
	443	__be32 rsvd0;
	444	u8 rsvd1;
	445	u8 cmd;
	446	u8 rsvd2[6];
	447	};
	448
	449	struct cpl_abort_rpl_rss {
	450	union opcode_tid ot;
	451	u8 rsvd[3];
	452	u8 status;
	453	};
	454
	455	struct cpl_abort_rpl {
	456	WR_HDR;
	457	union opcode_tid ot;
	458	__be32 rsvd0;
	459	u8 rsvd1;
	460	u8 cmd;
	461	u8 rsvd2[6];
	462	};
	463
	464	struct cpl_peer_close {
	465	union opcode_tid ot;
	466	__be32 rcv_nxt;
	467	};
	468
	469	struct cpl_tid_release {
	470	WR_HDR;
	471	union opcode_tid ot;
	472	__be32 rsvd;
	473	};
	474
	475	struct cpl_tx_pkt_core {
	476	__be32 ctrl0;
	477	#define TXPKT_VF(x) ((x) << 0)
	478	#define TXPKT_PF(x) ((x) << 8)
	479	#define TXPKT_VF_VLD (1 << 11)
	480	#define TXPKT_OVLAN_IDX(x) ((x) << 12)
	481	#define TXPKT_INTF(x) ((x) << 16)
	482	#define TXPKT_INS_OVLAN (1 << 21)
	483	#define TXPKT_OPCODE(x) ((x) << 24)
	484	__be16 pack;
	485	__be16 len;
	486	__be64 ctrl1;
	487	#define TXPKT_CSUM_END(x) ((x) << 12)
	488	#define TXPKT_CSUM_START(x) ((x) << 20)
489	#define TXPKT_IPHDR_LEN(x) ((u64)(x) << 20)
490	#define TXPKT_CSUM_LOC(x) ((u64)(x) << 30)
491	#define TXPKT_ETHHDR_LEN(x) ((u64)(x) << 34)
492	#define TXPKT_CSUM_TYPE(x) ((u64)(x) << 40)
493	#define TXPKT_VLAN(x) ((u64)(x) << 44)
494	#define TXPKT_VLAN_VLD (1ULL << 60)
495	#define TXPKT_IPCSUM_DIS (1ULL << 62)
496	#define TXPKT_L4CSUM_DIS (1ULL << 63)
497	};
498
499	struct cpl_tx_pkt {
500	WR_HDR;
501	struct cpl_tx_pkt_core c;
502	};
503
504	#define cpl_tx_pkt_xt cpl_tx_pkt
505
1704d748	506	struct cpl_tx_pkt_lso_core {
bbc02c7e DM	507	__be32 lso_ctrl;
	508	#define LSO_TCPHDR_LEN(x) ((x) << 0)
	509	#define LSO_IPHDR_LEN(x) ((x) << 4)
	510	#define LSO_ETHHDR_LEN(x) ((x) << 16)
	511	#define LSO_IPV6(x) ((x) << 20)
	512	#define LSO_LAST_SLICE (1 << 22)
	513	#define LSO_FIRST_SLICE (1 << 23)
	514	#define LSO_OPCODE(x) ((x) << 24)
	515	__be16 ipid_ofst;
	516	__be16 mss;
	517	__be32 seqno_offset;
	518	__be32 len;
	519	/* encapsulated CPL (TX_PKT, TX_PKT_XT or TX_DATA) follows here */
	520	};
	521
1704d748 CL	522	struct cpl_tx_pkt_lso {
	523	WR_HDR;
	524	struct cpl_tx_pkt_lso_core c;
	525	/* encapsulated CPL (TX_PKT, TX_PKT_XT or TX_DATA) follows here */
	526	};
	527
bbc02c7e DM	528	struct cpl_iscsi_hdr {
	529	union opcode_tid ot;
	530	__be16 pdu_len_ddp;
	531	#define ISCSI_PDU_LEN(x) ((x) & 0x7FFF)
	532	#define ISCSI_DDP (1 << 15)
	533	__be16 len;
	534	__be32 seq;
	535	__be16 urg;
	536	u8 rsvd;
	537	u8 status;
	538	};
	539
	540	struct cpl_rx_data {
	541	union opcode_tid ot;
	542	__be16 rsvd;
	543	__be16 len;
	544	__be32 seq;
	545	__be16 urg;
	546	#if defined(__LITTLE_ENDIAN_BITFIELD)
	547	u8 dack_mode:2;
	548	u8 psh:1;
	549	u8 heartbeat:1;
	550	u8 ddp_off:1;
	551	u8 :3;
	552	#else
	553	u8 :3;
	554	u8 ddp_off:1;
	555	u8 heartbeat:1;
	556	u8 psh:1;
	557	u8 dack_mode:2;
	558	#endif
	559	u8 status;
	560	};
	561
	562	struct cpl_rx_data_ack {
	563	WR_HDR;
	564	union opcode_tid ot;
	565	__be32 credit_dack;
	566	#define RX_CREDITS(x) ((x) << 0)
	567	#define RX_FORCE_ACK(x) ((x) << 28)
	568	};
	569
	570	struct cpl_rx_pkt {
87b6cf51	571	struct rss_header rsshdr;
bbc02c7e DM	572	u8 opcode;
	573	#if defined(__LITTLE_ENDIAN_BITFIELD)
	574	u8 iff:4;
	575	u8 csum_calc:1;
	576	u8 ipmi_pkt:1;
	577	u8 vlan_ex:1;
	578	u8 ip_frag:1;
	579	#else
	580	u8 ip_frag:1;
	581	u8 vlan_ex:1;
	582	u8 ipmi_pkt:1;
	583	u8 csum_calc:1;
	584	u8 iff:4;
	585	#endif
	586	__be16 csum;
	587	__be16 vlan;
	588	__be16 len;
	589	__be32 l2info;
	590	#define RXF_UDP (1 << 22)
	591	#define RXF_TCP (1 << 23)
ba5d3c66 DM	592	#define RXF_IP (1 << 24)
ba5d3c66 DM	593	#define RXF_IP6 (1 << 25)
bbc02c7e DM	594	__be16 hdr_len;
	595	__be16 err_vec;
	596	};
	597
1cab775c VP	598	/* rx_pkt.l2info fields */
	599	#define S_RX_ETHHDR_LEN 0
	600	#define M_RX_ETHHDR_LEN 0x1F
	601	#define V_RX_ETHHDR_LEN(x) ((x) << S_RX_ETHHDR_LEN)
	602	#define G_RX_ETHHDR_LEN(x) (((x) >> S_RX_ETHHDR_LEN) & M_RX_ETHHDR_LEN)
	603
2422d9a3 SR	604	#define S_RX_T5_ETHHDR_LEN 0
	605	#define M_RX_T5_ETHHDR_LEN 0x3F
	606	#define V_RX_T5_ETHHDR_LEN(x) ((x) << S_RX_T5_ETHHDR_LEN)
	607	#define G_RX_T5_ETHHDR_LEN(x) (((x) >> S_RX_T5_ETHHDR_LEN) & M_RX_T5_ETHHDR_LEN)
	608
1cab775c VP	609	#define S_RX_MACIDX 8
	610	#define M_RX_MACIDX 0x1FF
	611	#define V_RX_MACIDX(x) ((x) << S_RX_MACIDX)
	612	#define G_RX_MACIDX(x) (((x) >> S_RX_MACIDX) & M_RX_MACIDX)
	613
	614	#define S_RXF_SYN 21
	615	#define V_RXF_SYN(x) ((x) << S_RXF_SYN)
	616	#define F_RXF_SYN V_RXF_SYN(1U)
	617
	618	#define S_RX_CHAN 28
	619	#define M_RX_CHAN 0xF
	620	#define V_RX_CHAN(x) ((x) << S_RX_CHAN)
	621	#define G_RX_CHAN(x) (((x) >> S_RX_CHAN) & M_RX_CHAN)
	622
	623	/* rx_pkt.hdr_len fields */
	624	#define S_RX_TCPHDR_LEN 0
	625	#define M_RX_TCPHDR_LEN 0x3F
	626	#define V_RX_TCPHDR_LEN(x) ((x) << S_RX_TCPHDR_LEN)
	627	#define G_RX_TCPHDR_LEN(x) (((x) >> S_RX_TCPHDR_LEN) & M_RX_TCPHDR_LEN)
	628
	629	#define S_RX_IPHDR_LEN 6
	630	#define M_RX_IPHDR_LEN 0x3FF
	631	#define V_RX_IPHDR_LEN(x) ((x) << S_RX_IPHDR_LEN)
	632	#define G_RX_IPHDR_LEN(x) (((x) >> S_RX_IPHDR_LEN) & M_RX_IPHDR_LEN)
	633
bbc02c7e DM	634	struct cpl_trace_pkt {
	635	u8 opcode;
	636	u8 intf;
	637	#if defined(__LITTLE_ENDIAN_BITFIELD)
	638	u8 runt:4;
	639	u8 filter_hit:4;
	640	u8 :6;
	641	u8 err:1;
	642	u8 trunc:1;
	643	#else
	644	u8 filter_hit:4;
	645	u8 runt:4;
	646	u8 trunc:1;
	647	u8 err:1;
	648	u8 :6;
	649	#endif
	650	__be16 rsvd;
	651	__be16 len;
	652	__be64 tstamp;
	653	};
	654
2422d9a3 SR	655	struct cpl_t5_trace_pkt {
	656	__u8 opcode;
	657	__u8 intf;
	658	#if defined(__LITTLE_ENDIAN_BITFIELD)
	659	__u8 runt:4;
	660	__u8 filter_hit:4;
	661	__u8:6;
	662	__u8 err:1;
	663	__u8 trunc:1;
	664	#else
	665	__u8 filter_hit:4;
	666	__u8 runt:4;
	667	__u8 trunc:1;
	668	__u8 err:1;
	669	__u8:6;
	670	#endif
	671	__be16 rsvd;
	672	__be16 len;
	673	__be64 tstamp;
	674	__be64 rsvd1;
	675	};
	676
bbc02c7e DM	677	struct cpl_l2t_write_req {
	678	WR_HDR;
	679	union opcode_tid ot;
	680	__be16 params;
	681	#define L2T_W_INFO(x) ((x) << 2)
	682	#define L2T_W_PORT(x) ((x) << 8)
	683	#define L2T_W_NOREPLY(x) ((x) << 15)
	684	__be16 l2t_idx;
	685	__be16 vlan;
	686	u8 dst_mac[6];
	687	};
	688
	689	struct cpl_l2t_write_rpl {
	690	union opcode_tid ot;
	691	u8 status;
	692	u8 rsvd[3];
	693	};
	694
	695	struct cpl_rdma_terminate {
	696	union opcode_tid ot;
	697	__be16 rsvd;
	698	__be16 len;
	699	};
	700
	701	struct cpl_sge_egr_update {
	702	__be32 opcode_qid;
	703	#define EGR_QID(x) ((x) & 0x1FFFF)
	704	__be16 cidx;
	705	__be16 pidx;
	706	};
	707
b407a4a9 VP	708	/* cpl_fw.type values /
	709	enum {
	710	FW_TYPE_CMD_RPL = 0,
	711	FW_TYPE_WR_RPL = 1,
	712	FW_TYPE_CQE = 2,
	713	FW_TYPE_OFLD_CONNECTION_WR_RPL = 3,
	714	FW_TYPE_RSSCPL = 4,
	715	};
	716
bbc02c7e DM	717	struct cpl_fw4_pld {
	718	u8 opcode;
	719	u8 rsvd0[3];
	720	u8 type;
	721	u8 rsvd1;
	722	__be16 len;
	723	__be64 data;
	724	__be64 rsvd2;
	725	};
	726
	727	struct cpl_fw6_pld {
	728	u8 opcode;
	729	u8 rsvd[5];
	730	__be16 len;
	731	__be64 data[4];
	732	};
	733
	734	struct cpl_fw4_msg {
	735	u8 opcode;
	736	u8 type;
	737	__be16 rsvd0;
	738	__be32 rsvd1;
	739	__be64 data[2];
	740	};
	741
	742	struct cpl_fw4_ack {
	743	union opcode_tid ot;
	744	u8 credits;
	745	u8 rsvd0[2];
	746	u8 seq_vld;
	747	__be32 snd_nxt;
	748	__be32 snd_una;
	749	__be64 rsvd1;
	750	};
	751
	752	struct cpl_fw6_msg {
	753	u8 opcode;
	754	u8 type;
	755	__be16 rsvd0;
	756	__be32 rsvd1;
	757	__be64 data[4];
	758	};
	759
1704d748 CL	760	/* cpl_fw6_msg.type values */
	761	enum {
	762	FW6_TYPE_CMD_RPL = 0,
5be78ee9 VP	763	FW6_TYPE_WR_RPL = 1,
	764	FW6_TYPE_CQE = 2,
	765	FW6_TYPE_OFLD_CONNECTION_WR_RPL = 3,
b407a4a9	766	FW6_TYPE_RSSCPL = FW_TYPE_RSSCPL,
5be78ee9 VP	767	};
	768
	769	struct cpl_fw6_msg_ofld_connection_wr_rpl {
	770	__u64 cookie;
	771	__be32 tid; /* or atid in case of active failure */
	772	__u8 t_state;
	773	__u8 retval;
	774	__u8 rsvd[2];
1704d748 CL	775	};
1704d748 CL	776
bbc02c7e DM	777	enum {
	778	ULP_TX_MEM_READ = 2,
	779	ULP_TX_MEM_WRITE = 3,
	780	ULP_TX_PKT = 4
	781	};
	782
	783	enum {
	784	ULP_TX_SC_NOOP = 0x80,
	785	ULP_TX_SC_IMM = 0x81,
	786	ULP_TX_SC_DSGL = 0x82,
	787	ULP_TX_SC_ISGL = 0x83
	788	};
	789
	790	struct ulptx_sge_pair {
	791	__be32 len[2];
	792	__be64 addr[2];
	793	};
	794
	795	struct ulptx_sgl {
	796	__be32 cmd_nsge;
	797	#define ULPTX_CMD(x) ((x) << 24)
	798	#define ULPTX_NSGE(x) ((x) << 0)
ce91a923	799	#define ULPTX_MORE (1U << 23)
bbc02c7e DM	800	__be32 len0;
	801	__be64 addr0;
	802	struct ulptx_sge_pair sge[0];
	803	};
	804
	805	struct ulp_mem_io {
	806	WR_HDR;
	807	__be32 cmd;
	808	#define ULP_MEMIO_ORDER(x) ((x) << 23)
	809	__be32 len16; /* command length */
	810	__be32 dlen; /* data length in 32-byte units */
	811	#define ULP_MEMIO_DATA_LEN(x) ((x) << 0)
	812	__be32 lock_addr;
	813	#define ULP_MEMIO_ADDR(x) ((x) << 0)
	814	#define ULP_MEMIO_LOCK(x) ((x) << 31)
	815	};
	816
42b6a949 VP	817	#define S_T5_ULP_MEMIO_IMM 23
	818	#define V_T5_ULP_MEMIO_IMM(x) ((x) << S_T5_ULP_MEMIO_IMM)
	819	#define F_T5_ULP_MEMIO_IMM V_T5_ULP_MEMIO_IMM(1U)
	820
	821	#define S_T5_ULP_MEMIO_ORDER 22
	822	#define V_T5_ULP_MEMIO_ORDER(x) ((x) << S_T5_ULP_MEMIO_ORDER)
	823	#define F_T5_ULP_MEMIO_ORDER V_T5_ULP_MEMIO_ORDER(1U)
	824
bbc02c7e	825	#endif /* __T4_MSG_H */