drivers/net/chelsio/cpl5_cmd.h - kernel/skids - Git at Google

 /*****************************************************************************
  *                                                                           *
  * File: cpl5_cmd.h                                                          *
  * $Revision: 1.6 $                                                          *
  * $Date: 2005/06/21 18:29:47 $                                              *
  * Description:                                                              *
  *  part of the Chelsio 10Gb Ethernet Driver.                                *
  *                                                                           *
  * This program is free software; you can redistribute it and/or modify      *
  * it under the terms of the GNU General Public License, version 2, as       *
  * published by the Free Software Foundation.                                *
  *                                                                           *
  * You should have received a copy of the GNU General Public License along   *
  * with this program; if not, write to the Free Software Foundation, Inc.,   *
  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.                 *
  *                                                                           *
  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED    *
  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF      *
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.                     *
  *                                                                           *
  * http://www.chelsio.com                                                    *
  *                                                                           *
  * Copyright (c) 2003 - 2005 Chelsio Communications, Inc.                    *
  * All rights reserved.                                                      *
  *                                                                           *
  * Maintainers: maintainers@chelsio.com                                      *
  *                                                                           *
  * Authors: Dimitrios Michailidis   <dm@chelsio.com>                         *
  *          Tina Yang               <tainay@chelsio.com>                     *
  *          Felix Marti             <felix@chelsio.com>                      *
  *          Scott Bardone           <sbardone@chelsio.com>                   *
  *          Kurt Ottaway            <kottaway@chelsio.com>                   *
  *          Frank DiMambro          <frank@chelsio.com>                      *
  *                                                                           *
  * History:                                                                  *
  *                                                                           *
  ****************************************************************************/

 #ifndef _CXGB_CPL5_CMD_H_
 #define _CXGB_CPL5_CMD_H_

 #include <asm/byteorder.h>

 #if !defined(__LITTLE_ENDIAN_BITFIELD) && !defined(__BIG_ENDIAN_BITFIELD)
 #error "Adjust your <asm/byteorder.h> defines"
 #endif

 enum CPL_opcode {
 	CPL_PASS_OPEN_REQ     = 0x1,
 	CPL_PASS_OPEN_RPL     = 0x2,
 	CPL_PASS_ESTABLISH    = 0x3,
 	CPL_PASS_ACCEPT_REQ   = 0xE,
 	CPL_PASS_ACCEPT_RPL   = 0x4,
 	CPL_ACT_OPEN_REQ      = 0x5,
 	CPL_ACT_OPEN_RPL      = 0x6,
 	CPL_CLOSE_CON_REQ     = 0x7,
 	CPL_CLOSE_CON_RPL     = 0x8,
 	CPL_CLOSE_LISTSRV_REQ = 0x9,
 	CPL_CLOSE_LISTSRV_RPL = 0xA,
 	CPL_ABORT_REQ         = 0xB,
 	CPL_ABORT_RPL         = 0xC,
 	CPL_PEER_CLOSE        = 0xD,
 	CPL_ACT_ESTABLISH     = 0x17,

 	CPL_GET_TCB           = 0x24,
 	CPL_GET_TCB_RPL       = 0x25,
 	CPL_SET_TCB           = 0x26,
 	CPL_SET_TCB_FIELD     = 0x27,
 	CPL_SET_TCB_RPL       = 0x28,
 	CPL_PCMD              = 0x29,

 	CPL_PCMD_READ         = 0x31,
 	CPL_PCMD_READ_RPL     = 0x32,


 	CPL_RX_DATA           = 0xA0,
 	CPL_RX_DATA_DDP       = 0xA1,
 	CPL_RX_DATA_ACK       = 0xA3,
 	CPL_RX_PKT            = 0xAD,
 	CPL_RX_ISCSI_HDR      = 0xAF,
 	CPL_TX_DATA_ACK       = 0xB0,
 	CPL_TX_DATA           = 0xB1,
 	CPL_TX_PKT            = 0xB2,
 	CPL_TX_PKT_LSO        = 0xB6,

 	CPL_RTE_DELETE_REQ    = 0xC0,
 	CPL_RTE_DELETE_RPL    = 0xC1,
 	CPL_RTE_WRITE_REQ     = 0xC2,
 	CPL_RTE_WRITE_RPL     = 0xD3,
 	CPL_RTE_READ_REQ      = 0xC3,
 	CPL_RTE_READ_RPL      = 0xC4,
 	CPL_L2T_WRITE_REQ     = 0xC5,
 	CPL_L2T_WRITE_RPL     = 0xD4,
 	CPL_L2T_READ_REQ      = 0xC6,
 	CPL_L2T_READ_RPL      = 0xC7,
 	CPL_SMT_WRITE_REQ     = 0xC8,
 	CPL_SMT_WRITE_RPL     = 0xD5,
 	CPL_SMT_READ_REQ      = 0xC9,
 	CPL_SMT_READ_RPL      = 0xCA,
 	CPL_ARP_MISS_REQ      = 0xCD,
 	CPL_ARP_MISS_RPL      = 0xCE,
 	CPL_MIGRATE_C2T_REQ   = 0xDC,
 	CPL_MIGRATE_C2T_RPL   = 0xDD,
 	CPL_ERROR             = 0xD7,

 	/* internal: driver -> TOM */
 	CPL_MSS_CHANGE        = 0xE1
 };

 #define NUM_CPL_CMDS 256

 enum CPL_error {
 	CPL_ERR_NONE               = 0,
 	CPL_ERR_TCAM_PARITY        = 1,
 	CPL_ERR_TCAM_FULL          = 3,
 	CPL_ERR_CONN_RESET         = 20,
 	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_ABORT_FAILED       = 42,
 	CPL_ERR_GENERAL            = 99
 };

 enum {
 	CPL_CONN_POLICY_AUTO = 0,
 	CPL_CONN_POLICY_ASK  = 1,
 	CPL_CONN_POLICY_DENY = 3
 };

 enum {
 	ULP_MODE_NONE   = 0,
 	ULP_MODE_TCPDDP = 1,
 	ULP_MODE_ISCSI  = 2,
 	ULP_MODE_IWARP  = 3,
 	ULP_MODE_SSL    = 4
 };

 enum {
 	CPL_PASS_OPEN_ACCEPT,
 	CPL_PASS_OPEN_REJECT
 };

 enum {
 	CPL_ABORT_SEND_RST = 0,
 	CPL_ABORT_NO_RST,
 	CPL_ABORT_POST_CLOSE_REQ = 2
 };

 enum {                // TX_PKT_LSO ethernet types
 	CPL_ETH_II,
 	CPL_ETH_II_VLAN,
 	CPL_ETH_802_3,
 	CPL_ETH_802_3_VLAN
 };

 union opcode_tid {
 	u32 opcode_tid;
 	u8 opcode;
 };

 #define S_OPCODE 24
 #define V_OPCODE(x) ((x) << S_OPCODE)
 #define G_OPCODE(x) (((x) >> S_OPCODE) & 0xFF)
 #define G_TID(x)    ((x) & 0xFFFFFF)

 /* tid is assumed to be 24-bits */
 #define MK_OPCODE_TID(opcode, tid) (V_OPCODE(opcode) | (tid))

 #define OPCODE_TID(cmd) ((cmd)->ot.opcode_tid)

 /* extract the TID from a CPL command */
 #define GET_TID(cmd) (G_TID(ntohl(OPCODE_TID(cmd))))

 struct tcp_options {
 	u16 mss;
 	u8 wsf;
 #if defined(__LITTLE_ENDIAN_BITFIELD)
 	u8 rsvd:4;
 	u8 ecn:1;
 	u8 sack:1;
 	u8 tstamp:1;
 #else
 	u8 tstamp:1;
 	u8 sack:1;
 	u8 ecn:1;
 	u8 rsvd:4;
 #endif
 };

 struct cpl_pass_open_req {
 	union opcode_tid ot;
 	u16 local_port;
 	u16 peer_port;
 	u32 local_ip;
 	u32 peer_ip;
 	u32 opt0h;
 	u32 opt0l;
 	u32 peer_netmask;
 	u32 opt1;
 };

 struct cpl_pass_open_rpl {
 	union opcode_tid ot;
 	u16 local_port;
 	u16 peer_port;
 	u32 local_ip;
 	u32 peer_ip;
 	u8 resvd[7];
 	u8 status;
 };

 struct cpl_pass_establish {
 	union opcode_tid ot;
 	u16 local_port;
 	u16 peer_port;
 	u32 local_ip;
 	u32 peer_ip;
 	u32 tos_tid;
 	u8  l2t_idx;
 	u8  rsvd[3];
 	u32 snd_isn;
 	u32 rcv_isn;
 };

 struct cpl_pass_accept_req {
 	union opcode_tid ot;
 	u16 local_port;
 	u16 peer_port;
 	u32 local_ip;
 	u32 peer_ip;
 	u32 tos_tid;
 	struct tcp_options tcp_options;
 	u8  dst_mac[6];
 	u16 vlan_tag;
 	u8  src_mac[6];
 	u8  rsvd[2];
 	u32 rcv_isn;
 	u32 unknown_tcp_options;
 };

 struct cpl_pass_accept_rpl {
 	union opcode_tid ot;
 	u32 rsvd0;
 	u32 rsvd1;
 	u32 peer_ip;
 	u32 opt0h;
 	union {
 		u32 opt0l;
 		struct {
 		    u8 rsvd[3];
 		    u8 status;
 		};
 	};
 };

 struct cpl_act_open_req {
 	union opcode_tid ot;
 	u16 local_port;
 	u16 peer_port;
 	u32 local_ip;
 	u32 peer_ip;
 	u32 opt0h;
 	u32 opt0l;
 	u32 iff_vlantag;
 	u32 rsvd;
 };

 struct cpl_act_open_rpl {
 	union opcode_tid ot;
 	u16 local_port;
 	u16 peer_port;
 	u32 local_ip;
 	u32 peer_ip;
 	u32 new_tid;
 	u8  rsvd[3];
 	u8  status;
 };

 struct cpl_act_establish {
 	union opcode_tid ot;
 	u16 local_port;
 	u16 peer_port;
 	u32 local_ip;
 	u32 peer_ip;
 	u32 tos_tid;
 	u32 rsvd;
 	u32 snd_isn;
 	u32 rcv_isn;
 };

 struct cpl_get_tcb {
 	union opcode_tid ot;
 	u32 rsvd;
 };

 struct cpl_get_tcb_rpl {
 	union opcode_tid ot;
 	u16 len;
 	u8 rsvd;
 	u8 status;
 };

 struct cpl_set_tcb {
 	union opcode_tid ot;
 	u16 len;
 	u16 rsvd;
 };

 struct cpl_set_tcb_field {
 	union opcode_tid ot;
 	u8 rsvd[3];
 	u8 offset;
 	u32 mask;
 	u32 val;
 };

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

 struct cpl_pcmd {
 	union opcode_tid ot;
 	u16 dlen_in;
 	u16 dlen_out;
 	u32 pcmd_parm[2];
 };

 struct cpl_pcmd_read {
 	union opcode_tid ot;
 	u32 rsvd1;
 	u16 rsvd2;
 	u32 addr;
 	u16 len;
 };

 struct cpl_pcmd_read_rpl {
 	union opcode_tid ot;
 	u16 len;
 };

 struct cpl_close_con_req {
 	union opcode_tid ot;
 	u32 rsvd;
 };

 struct cpl_close_con_rpl {
 	union opcode_tid ot;
 	u8 rsvd[3];
 	u8 status;
 	u32 snd_nxt;
 	u32 rcv_nxt;
 };

 struct cpl_close_listserv_req {
 	union opcode_tid ot;
 	u32 rsvd;
 };

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

 struct cpl_abort_req {
 	union opcode_tid ot;
 	u32 rsvd0;
 	u8  rsvd1;
 	u8  cmd;
 	u8  rsvd2[6];
 };

 struct cpl_abort_rpl {
 	union opcode_tid ot;
 	u32 rsvd0;
 	u8  rsvd1;
 	u8  status;
 	u8  rsvd2[6];
 };

 struct cpl_peer_close {
 	union opcode_tid ot;
 	u32 rsvd;
 };

 struct cpl_tx_data {
 	union opcode_tid ot;
 	u32 len;
 	u32 rsvd0;
 	u16 urg;
 	u16 flags;
 };

 struct cpl_tx_data_ack {
 	union opcode_tid ot;
 	u32 ack_seq;
 };

 struct cpl_rx_data {
 	union opcode_tid ot;
 	u32 len;
 	u32 seq;
 	u16 urg;
 	u8  rsvd;
 	u8  status;
 };

 struct cpl_rx_data_ack {
 	union opcode_tid ot;
 	u32 credit;
 };

 struct cpl_rx_data_ddp {
 	union opcode_tid ot;
 	u32 len;
 	u32 seq;
 	u32 nxt_seq;
 	u32 ulp_crc;
 	u16 ddp_status;
 	u8  rsvd;
 	u8  status;
 };

 /*
  * We want this header's alignment to be no more stringent than 2-byte aligned.
  * All fields are u8 or u16 except for the length.  However that field is not
  * used so we break it into 2 16-bit parts to easily meet our alignment needs.
  */
 struct cpl_tx_pkt {
 	u8 opcode;
 #if defined(__LITTLE_ENDIAN_BITFIELD)
 	u8 iff:4;
 	u8 ip_csum_dis:1;
 	u8 l4_csum_dis:1;
 	u8 vlan_valid:1;
 	u8 rsvd:1;
 #else
 	u8 rsvd:1;
 	u8 vlan_valid:1;
 	u8 l4_csum_dis:1;
 	u8 ip_csum_dis:1;
 	u8 iff:4;
 #endif
 	u16 vlan;
 	u16 len_hi;
 	u16 len_lo;
 };

 struct cpl_tx_pkt_lso {
 	u8 opcode;
 #if defined(__LITTLE_ENDIAN_BITFIELD)
 	u8 iff:4;
 	u8 ip_csum_dis:1;
 	u8 l4_csum_dis:1;
 	u8 vlan_valid:1;
 	u8 :1;
 #else
 	u8 :1;
 	u8 vlan_valid:1;
 	u8 l4_csum_dis:1;
 	u8 ip_csum_dis:1;
 	u8 iff:4;
 #endif
 	u16 vlan;
 	__be32 len;

 	u8 rsvd[5];
 #if defined(__LITTLE_ENDIAN_BITFIELD)
 	u8 tcp_hdr_words:4;
 	u8 ip_hdr_words:4;
 #else
 	u8 ip_hdr_words:4;
 	u8 tcp_hdr_words:4;
 #endif
 	__be16 eth_type_mss;
 };

 struct cpl_rx_pkt {
 	u8 opcode;
 #if defined(__LITTLE_ENDIAN_BITFIELD)
 	u8 iff:4;
 	u8 csum_valid:1;
 	u8 bad_pkt:1;
 	u8 vlan_valid:1;
 	u8 rsvd:1;
 #else
 	u8 rsvd:1;
 	u8 vlan_valid:1;
 	u8 bad_pkt:1;
 	u8 csum_valid:1;
 	u8 iff:4;
 #endif
 	u16 csum;
 	u16 vlan;
 	u16 len;
 };

 struct cpl_l2t_write_req {
 	union opcode_tid ot;
 	u32 params;
 	u8 rsvd1[2];
 	u8 dst_mac[6];
 };

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

 struct cpl_l2t_read_req {
 	union opcode_tid ot;
 	u8 rsvd[3];
 	u8 l2t_idx;
 };

 struct cpl_l2t_read_rpl {
 	union opcode_tid ot;
 	u32 params;
 	u8 rsvd1[2];
 	u8 dst_mac[6];
 };

 struct cpl_smt_write_req {
 	union opcode_tid ot;
 	u8 rsvd0;
 #if defined(__LITTLE_ENDIAN_BITFIELD)
 	u8 rsvd1:1;
 	u8 mtu_idx:3;
 	u8 iff:4;
 #else
 	u8 iff:4;
 	u8 mtu_idx:3;
 	u8 rsvd1:1;
 #endif
 	u16 rsvd2;
 	u16 rsvd3;
 	u8  src_mac1[6];
 	u16 rsvd4;
 	u8  src_mac0[6];
 };

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

 struct cpl_smt_read_req {
 	union opcode_tid ot;
 	u8 rsvd0;
 #if defined(__LITTLE_ENDIAN_BITFIELD)
 	u8 rsvd1:4;
 	u8 iff:4;
 #else
 	u8 iff:4;
 	u8 rsvd1:4;
 #endif
 	u16 rsvd2;
 };

 struct cpl_smt_read_rpl {
 	union opcode_tid ot;
 	u8 status;
 #if defined(__LITTLE_ENDIAN_BITFIELD)
 	u8 rsvd1:1;
 	u8 mtu_idx:3;
 	u8 rsvd0:4;
 #else
 	u8 rsvd0:4;
 	u8 mtu_idx:3;
 	u8 rsvd1:1;
 #endif
 	u16 rsvd2;
 	u16 rsvd3;
 	u8  src_mac1[6];
 	u16 rsvd4;
 	u8  src_mac0[6];
 };

 struct cpl_rte_delete_req {
 	union opcode_tid ot;
 	u32 params;
 };

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

 struct cpl_rte_write_req {
 	union opcode_tid ot;
 	u32 params;
 	u32 netmask;
 	u32 faddr;
 };

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

 struct cpl_rte_read_req {
 	union opcode_tid ot;
 	u32 params;
 };

 struct cpl_rte_read_rpl {
 	union opcode_tid ot;
 	u8 status;
 	u8 rsvd0[2];
 	u8 l2t_idx;
 #if defined(__LITTLE_ENDIAN_BITFIELD)
 	u8 rsvd1:7;
 	u8 select:1;
 #else
 	u8 select:1;
 	u8 rsvd1:7;
 #endif
 	u8 rsvd2[3];
 	u32 addr;
 };

 struct cpl_mss_change {
 	union opcode_tid ot;
 	u32 mss;
 };

 #endif /* _CXGB_CPL5_CMD_H_ */
	/*****************************************************************************
	* *
	* File: cpl5_cmd.h *
	* $Revision: 1.6 $ *
	* $Date: 2005/06/21 18:29:47 $ *
	* Description: *
	* part of the Chelsio 10Gb Ethernet Driver. *
	* *
	* This program is free software; you can redistribute it and/or modify *
	* it under the terms of the GNU General Public License, version 2, as *
	* published by the Free Software Foundation. *
	* *
	* You should have received a copy of the GNU General Public License along *
	* with this program; if not, write to the Free Software Foundation, Inc., *
	* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
	* *
	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED *
	* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF *
	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. *
	* *
	* http://www.chelsio.com *
	* *
	* Copyright (c) 2003 - 2005 Chelsio Communications, Inc. *
	* All rights reserved. *
	* *
	* Maintainers: maintainers@chelsio.com *
	* *
	* Authors: Dimitrios Michailidis <dm@chelsio.com> *
	* Tina Yang <tainay@chelsio.com> *
	* Felix Marti <felix@chelsio.com> *
	* Scott Bardone <sbardone@chelsio.com> *
	* Kurt Ottaway <kottaway@chelsio.com> *
	* Frank DiMambro <frank@chelsio.com> *
	* *
	* History: *
	* *
	****************************************************************************/

	#ifndef _CXGB_CPL5_CMD_H_
	#define _CXGB_CPL5_CMD_H_

	#include <asm/byteorder.h>

	#if !defined(__LITTLE_ENDIAN_BITFIELD) && !defined(__BIG_ENDIAN_BITFIELD)
	#error "Adjust your <asm/byteorder.h> defines"
	#endif

	enum CPL_opcode {
	CPL_PASS_OPEN_REQ = 0x1,
	CPL_PASS_OPEN_RPL = 0x2,
	CPL_PASS_ESTABLISH = 0x3,
	CPL_PASS_ACCEPT_REQ = 0xE,
	CPL_PASS_ACCEPT_RPL = 0x4,
	CPL_ACT_OPEN_REQ = 0x5,
	CPL_ACT_OPEN_RPL = 0x6,
	CPL_CLOSE_CON_REQ = 0x7,
	CPL_CLOSE_CON_RPL = 0x8,
	CPL_CLOSE_LISTSRV_REQ = 0x9,
	CPL_CLOSE_LISTSRV_RPL = 0xA,
	CPL_ABORT_REQ = 0xB,
	CPL_ABORT_RPL = 0xC,
	CPL_PEER_CLOSE = 0xD,
	CPL_ACT_ESTABLISH = 0x17,

	CPL_GET_TCB = 0x24,
	CPL_GET_TCB_RPL = 0x25,
	CPL_SET_TCB = 0x26,
	CPL_SET_TCB_FIELD = 0x27,
	CPL_SET_TCB_RPL = 0x28,
	CPL_PCMD = 0x29,

	CPL_PCMD_READ = 0x31,
	CPL_PCMD_READ_RPL = 0x32,


	CPL_RX_DATA = 0xA0,
	CPL_RX_DATA_DDP = 0xA1,
	CPL_RX_DATA_ACK = 0xA3,
	CPL_RX_PKT = 0xAD,
	CPL_RX_ISCSI_HDR = 0xAF,
	CPL_TX_DATA_ACK = 0xB0,
	CPL_TX_DATA = 0xB1,
	CPL_TX_PKT = 0xB2,
	CPL_TX_PKT_LSO = 0xB6,

	CPL_RTE_DELETE_REQ = 0xC0,
	CPL_RTE_DELETE_RPL = 0xC1,
	CPL_RTE_WRITE_REQ = 0xC2,
	CPL_RTE_WRITE_RPL = 0xD3,
	CPL_RTE_READ_REQ = 0xC3,
	CPL_RTE_READ_RPL = 0xC4,
	CPL_L2T_WRITE_REQ = 0xC5,
	CPL_L2T_WRITE_RPL = 0xD4,
	CPL_L2T_READ_REQ = 0xC6,
	CPL_L2T_READ_RPL = 0xC7,
	CPL_SMT_WRITE_REQ = 0xC8,
	CPL_SMT_WRITE_RPL = 0xD5,
	CPL_SMT_READ_REQ = 0xC9,
	CPL_SMT_READ_RPL = 0xCA,
	CPL_ARP_MISS_REQ = 0xCD,
	CPL_ARP_MISS_RPL = 0xCE,
	CPL_MIGRATE_C2T_REQ = 0xDC,
	CPL_MIGRATE_C2T_RPL = 0xDD,
	CPL_ERROR = 0xD7,

	/* internal: driver -> TOM */
	CPL_MSS_CHANGE = 0xE1
	};

	#define NUM_CPL_CMDS 256

	enum CPL_error {
	CPL_ERR_NONE = 0,
	CPL_ERR_TCAM_PARITY = 1,
	CPL_ERR_TCAM_FULL = 3,
	CPL_ERR_CONN_RESET = 20,
	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_ABORT_FAILED = 42,
	CPL_ERR_GENERAL = 99
	};

	enum {
	CPL_CONN_POLICY_AUTO = 0,
	CPL_CONN_POLICY_ASK = 1,
	CPL_CONN_POLICY_DENY = 3
	};

	enum {
	ULP_MODE_NONE = 0,
	ULP_MODE_TCPDDP = 1,
	ULP_MODE_ISCSI = 2,
	ULP_MODE_IWARP = 3,
	ULP_MODE_SSL = 4
	};

	enum {
	CPL_PASS_OPEN_ACCEPT,
	CPL_PASS_OPEN_REJECT
	};

	enum {
	CPL_ABORT_SEND_RST = 0,
	CPL_ABORT_NO_RST,
	CPL_ABORT_POST_CLOSE_REQ = 2
	};

	enum { // TX_PKT_LSO ethernet types
	CPL_ETH_II,
	CPL_ETH_II_VLAN,
	CPL_ETH_802_3,
	CPL_ETH_802_3_VLAN
	};

	union opcode_tid {
	u32 opcode_tid;
	u8 opcode;
	};

	#define S_OPCODE 24
	#define V_OPCODE(x) ((x) << S_OPCODE)
	#define G_OPCODE(x) (((x) >> S_OPCODE) & 0xFF)
	#define G_TID(x) ((x) & 0xFFFFFF)

	/* tid is assumed to be 24-bits */
	#define MK_OPCODE_TID(opcode, tid) (V_OPCODE(opcode) \| (tid))

	#define OPCODE_TID(cmd) ((cmd)->ot.opcode_tid)

	/* extract the TID from a CPL command */
	#define GET_TID(cmd) (G_TID(ntohl(OPCODE_TID(cmd))))

	struct tcp_options {
	u16 mss;
	u8 wsf;
	#if defined(__LITTLE_ENDIAN_BITFIELD)
	u8 rsvd:4;
	u8 ecn:1;
	u8 sack:1;
	u8 tstamp:1;
	#else
	u8 tstamp:1;
	u8 sack:1;
	u8 ecn:1;
	u8 rsvd:4;
	#endif
	};

	struct cpl_pass_open_req {
	union opcode_tid ot;
	u16 local_port;
	u16 peer_port;
	u32 local_ip;
	u32 peer_ip;
	u32 opt0h;
	u32 opt0l;
	u32 peer_netmask;
	u32 opt1;
	};

	struct cpl_pass_open_rpl {
	union opcode_tid ot;
	u16 local_port;
	u16 peer_port;
	u32 local_ip;
	u32 peer_ip;
	u8 resvd[7];
	u8 status;
	};

	struct cpl_pass_establish {
	union opcode_tid ot;
	u16 local_port;
	u16 peer_port;
	u32 local_ip;
	u32 peer_ip;
	u32 tos_tid;
	u8 l2t_idx;
	u8 rsvd[3];
	u32 snd_isn;
	u32 rcv_isn;
	};

	struct cpl_pass_accept_req {
	union opcode_tid ot;
	u16 local_port;
	u16 peer_port;
	u32 local_ip;
	u32 peer_ip;
	u32 tos_tid;
	struct tcp_options tcp_options;
	u8 dst_mac[6];
	u16 vlan_tag;
	u8 src_mac[6];
	u8 rsvd[2];
	u32 rcv_isn;
	u32 unknown_tcp_options;
	};

	struct cpl_pass_accept_rpl {
	union opcode_tid ot;
	u32 rsvd0;
	u32 rsvd1;
	u32 peer_ip;
	u32 opt0h;
	union {
	u32 opt0l;
	struct {
	u8 rsvd[3];
	u8 status;
	};
	};
	};

	struct cpl_act_open_req {
	union opcode_tid ot;
	u16 local_port;
	u16 peer_port;
	u32 local_ip;
	u32 peer_ip;
	u32 opt0h;
	u32 opt0l;
	u32 iff_vlantag;
	u32 rsvd;
	};

	struct cpl_act_open_rpl {
	union opcode_tid ot;
	u16 local_port;
	u16 peer_port;
	u32 local_ip;
	u32 peer_ip;
	u32 new_tid;
	u8 rsvd[3];
	u8 status;
	};

	struct cpl_act_establish {
	union opcode_tid ot;
	u16 local_port;
	u16 peer_port;
	u32 local_ip;
	u32 peer_ip;
	u32 tos_tid;
	u32 rsvd;
	u32 snd_isn;
	u32 rcv_isn;
	};

	struct cpl_get_tcb {
	union opcode_tid ot;
	u32 rsvd;
	};

	struct cpl_get_tcb_rpl {
	union opcode_tid ot;
	u16 len;
	u8 rsvd;
	u8 status;
	};

	struct cpl_set_tcb {
	union opcode_tid ot;
	u16 len;
	u16 rsvd;
	};

	struct cpl_set_tcb_field {
	union opcode_tid ot;
	u8 rsvd[3];
	u8 offset;
	u32 mask;
	u32 val;
	};

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

	struct cpl_pcmd {
	union opcode_tid ot;
	u16 dlen_in;
	u16 dlen_out;
	u32 pcmd_parm[2];
	};

	struct cpl_pcmd_read {
	union opcode_tid ot;
	u32 rsvd1;
	u16 rsvd2;
	u32 addr;
	u16 len;
	};

	struct cpl_pcmd_read_rpl {
	union opcode_tid ot;
	u16 len;
	};

	struct cpl_close_con_req {
	union opcode_tid ot;
	u32 rsvd;
	};

	struct cpl_close_con_rpl {
	union opcode_tid ot;
	u8 rsvd[3];
	u8 status;
	u32 snd_nxt;
	u32 rcv_nxt;
	};

	struct cpl_close_listserv_req {
	union opcode_tid ot;
	u32 rsvd;
	};

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

	struct cpl_abort_req {
	union opcode_tid ot;
	u32 rsvd0;
	u8 rsvd1;
	u8 cmd;
	u8 rsvd2[6];
	};

	struct cpl_abort_rpl {
	union opcode_tid ot;
	u32 rsvd0;
	u8 rsvd1;
	u8 status;
	u8 rsvd2[6];
	};

	struct cpl_peer_close {
	union opcode_tid ot;
	u32 rsvd;
	};

	struct cpl_tx_data {
	union opcode_tid ot;
	u32 len;
	u32 rsvd0;
	u16 urg;
	u16 flags;
	};

	struct cpl_tx_data_ack {
	union opcode_tid ot;
	u32 ack_seq;
	};

	struct cpl_rx_data {
	union opcode_tid ot;
	u32 len;
	u32 seq;
	u16 urg;
	u8 rsvd;
	u8 status;
	};

	struct cpl_rx_data_ack {
	union opcode_tid ot;
	u32 credit;
	};

	struct cpl_rx_data_ddp {
	union opcode_tid ot;
	u32 len;
	u32 seq;
	u32 nxt_seq;
	u32 ulp_crc;
	u16 ddp_status;
	u8 rsvd;
	u8 status;
	};

	/*
	* We want this header's alignment to be no more stringent than 2-byte aligned.
	* All fields are u8 or u16 except for the length. However that field is not
	* used so we break it into 2 16-bit parts to easily meet our alignment needs.
	*/
	struct cpl_tx_pkt {
	u8 opcode;
	#if defined(__LITTLE_ENDIAN_BITFIELD)
	u8 iff:4;
	u8 ip_csum_dis:1;
	u8 l4_csum_dis:1;
	u8 vlan_valid:1;
	u8 rsvd:1;
	#else
	u8 rsvd:1;
	u8 vlan_valid:1;
	u8 l4_csum_dis:1;
	u8 ip_csum_dis:1;
	u8 iff:4;
	#endif
	u16 vlan;
	u16 len_hi;
	u16 len_lo;
	};

	struct cpl_tx_pkt_lso {
	u8 opcode;
	#if defined(__LITTLE_ENDIAN_BITFIELD)
	u8 iff:4;
	u8 ip_csum_dis:1;
	u8 l4_csum_dis:1;
	u8 vlan_valid:1;
	u8 :1;
	#else
	u8 :1;
	u8 vlan_valid:1;
	u8 l4_csum_dis:1;
	u8 ip_csum_dis:1;
	u8 iff:4;
	#endif
	u16 vlan;
	__be32 len;

	u8 rsvd[5];
	#if defined(__LITTLE_ENDIAN_BITFIELD)
	u8 tcp_hdr_words:4;
	u8 ip_hdr_words:4;
	#else
	u8 ip_hdr_words:4;
	u8 tcp_hdr_words:4;
	#endif
	__be16 eth_type_mss;
	};

	struct cpl_rx_pkt {
	u8 opcode;
	#if defined(__LITTLE_ENDIAN_BITFIELD)
	u8 iff:4;
	u8 csum_valid:1;
	u8 bad_pkt:1;
	u8 vlan_valid:1;
	u8 rsvd:1;
	#else
	u8 rsvd:1;
	u8 vlan_valid:1;
	u8 bad_pkt:1;
	u8 csum_valid:1;
	u8 iff:4;
	#endif
	u16 csum;
	u16 vlan;
	u16 len;
	};

	struct cpl_l2t_write_req {
	union opcode_tid ot;
	u32 params;
	u8 rsvd1[2];
	u8 dst_mac[6];
	};

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

	struct cpl_l2t_read_req {
	union opcode_tid ot;
	u8 rsvd[3];
	u8 l2t_idx;
	};

	struct cpl_l2t_read_rpl {
	union opcode_tid ot;
	u32 params;
	u8 rsvd1[2];
	u8 dst_mac[6];
	};

	struct cpl_smt_write_req {
	union opcode_tid ot;
	u8 rsvd0;
	#if defined(__LITTLE_ENDIAN_BITFIELD)
	u8 rsvd1:1;
	u8 mtu_idx:3;
	u8 iff:4;
	#else
	u8 iff:4;
	u8 mtu_idx:3;
	u8 rsvd1:1;
	#endif
	u16 rsvd2;
	u16 rsvd3;
	u8 src_mac1[6];
	u16 rsvd4;
	u8 src_mac0[6];
	};

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

	struct cpl_smt_read_req {
	union opcode_tid ot;
	u8 rsvd0;
	#if defined(__LITTLE_ENDIAN_BITFIELD)
	u8 rsvd1:4;
	u8 iff:4;
	#else
	u8 iff:4;
	u8 rsvd1:4;
	#endif
	u16 rsvd2;
	};

	struct cpl_smt_read_rpl {
	union opcode_tid ot;
	u8 status;
	#if defined(__LITTLE_ENDIAN_BITFIELD)
	u8 rsvd1:1;
	u8 mtu_idx:3;
	u8 rsvd0:4;
	#else
	u8 rsvd0:4;
	u8 mtu_idx:3;
	u8 rsvd1:1;
	#endif
	u16 rsvd2;
	u16 rsvd3;
	u8 src_mac1[6];
	u16 rsvd4;
	u8 src_mac0[6];
	};

	struct cpl_rte_delete_req {
	union opcode_tid ot;
	u32 params;
	};

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

	struct cpl_rte_write_req {
	union opcode_tid ot;
	u32 params;
	u32 netmask;
	u32 faddr;
	};

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

	struct cpl_rte_read_req {
	union opcode_tid ot;
	u32 params;
	};

	struct cpl_rte_read_rpl {
	union opcode_tid ot;
	u8 status;
	u8 rsvd0[2];
	u8 l2t_idx;
	#if defined(__LITTLE_ENDIAN_BITFIELD)
	u8 rsvd1:7;
	u8 select:1;
	#else
	u8 select:1;
	u8 rsvd1:7;
	#endif
	u8 rsvd2[3];
	u32 addr;
	};

	struct cpl_mss_change {
	union opcode_tid ot;
	u32 mss;
	};

	#endif /* _CXGB_CPL5_CMD_H_ */