diff options
Diffstat (limited to 'drivers/net/cxgb4/t4_msg.h')
| -rw-r--r-- | drivers/net/cxgb4/t4_msg.h | 664 | 
1 files changed, 664 insertions, 0 deletions
diff --git a/drivers/net/cxgb4/t4_msg.h b/drivers/net/cxgb4/t4_msg.h new file mode 100644 index 00000000000..fdb11744314 --- /dev/null +++ b/drivers/net/cxgb4/t4_msg.h @@ -0,0 +1,664 @@ +/* + * 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_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 { +	WR_HDR; +	__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_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 { +	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) +	__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]; +}; + +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) +	__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 */  |