/*****************************************************************************
* *
* 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_ */