2 * This file is part of the Chelsio T4 Ethernet driver for Linux.
4 * Copyright (c) 2003-2010 Chelsio Communications, Inc. All rights reserved.
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:
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
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17 * copyright notice, this list of conditions and the following
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.
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
38 #include <linux/types.h>
41 CPL_PASS_OPEN_REQ = 0x1,
42 CPL_PASS_ACCEPT_RPL = 0x2,
43 CPL_ACT_OPEN_REQ = 0x3,
44 CPL_SET_TCB_FIELD = 0x5,
46 CPL_CLOSE_CON_REQ = 0x8,
47 CPL_CLOSE_LISTSRV_REQ = 0x9,
50 CPL_RX_DATA_ACK = 0xD,
52 CPL_L2T_WRITE_REQ = 0x12,
53 CPL_TID_RELEASE = 0x1A,
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,
63 CPL_CLOSE_CON_RPL = 0x32,
66 CPL_RDMA_CQE_READ_RSP = 0x36,
67 CPL_RDMA_CQE_ERR = 0x37,
69 CPL_SET_TCB_RPL = 0x3A,
71 CPL_RX_DDP_COMPLETE = 0x3F,
73 CPL_ACT_ESTABLISH = 0x40,
74 CPL_PASS_ESTABLISH = 0x41,
75 CPL_RX_DATA_DDP = 0x42,
76 CPL_PASS_ACCEPT_REQ = 0x44,
78 CPL_RDMA_READ_REQ = 0x60,
80 CPL_PASS_OPEN_REQ6 = 0x81,
81 CPL_ACT_OPEN_REQ6 = 0x83,
83 CPL_RDMA_TERMINATE = 0xA2,
84 CPL_RDMA_WRITE = 0xA4,
85 CPL_SGE_EGR_UPDATE = 0xA5,
95 CPL_TX_PKT_LSO = 0xED,
103 CPL_ERR_TCAM_FULL = 3,
104 CPL_ERR_BAD_LENGTH = 15,
105 CPL_ERR_BAD_ROUTE = 18,
106 CPL_ERR_CONN_RESET = 20,
107 CPL_ERR_CONN_EXIST_SYNRECV = 21,
108 CPL_ERR_CONN_EXIST = 22,
109 CPL_ERR_ARP_MISS = 23,
110 CPL_ERR_BAD_SYN = 24,
111 CPL_ERR_CONN_TIMEDOUT = 30,
112 CPL_ERR_XMIT_TIMEDOUT = 31,
113 CPL_ERR_PERSIST_TIMEDOUT = 32,
114 CPL_ERR_FINWAIT2_TIMEDOUT = 33,
115 CPL_ERR_KEEPALIVE_TIMEDOUT = 34,
116 CPL_ERR_RTX_NEG_ADVICE = 35,
117 CPL_ERR_PERSIST_NEG_ADVICE = 36,
118 CPL_ERR_ABORT_FAILED = 42,
119 CPL_ERR_IWARP_FLM = 50,
131 ULP_CRC_HEADER = 1 << 0,
132 ULP_CRC_DATA = 1 << 1
136 CPL_ABORT_SEND_RST = 0,
140 enum { /* TX_PKT_XT checksum types */
159 #define CPL_OPCODE(x) ((x) << 24)
160 #define MK_OPCODE_TID(opcode, tid) (CPL_OPCODE(opcode) | (tid))
161 #define OPCODE_TID(cmd) ((cmd)->ot.opcode_tid)
162 #define GET_TID(cmd) (ntohl(OPCODE_TID(cmd)) & 0xFFFFFF)
164 /* partitioning of TID fields that also carry a queue id */
165 #define GET_TID_TID(x) ((x) & 0x3fff)
166 #define GET_TID_QID(x) (((x) >> 14) & 0x3ff)
167 #define TID_QID(x) ((x) << 14)
171 #if defined(__LITTLE_ENDIAN_BITFIELD)
190 struct work_request_hdr {
198 #define V_WR_OP(x) ((__u64)(x) << S_WR_OP)
200 #define WR_HDR struct work_request_hdr wr
202 struct cpl_pass_open_req {
210 #define TX_CHAN(x) ((x) << 2)
211 #define NO_CONG(x) ((x) << 4)
212 #define DELACK(x) ((x) << 5)
213 #define ULP_MODE(x) ((x) << 8)
214 #define RCV_BUFSIZ(x) ((x) << 12)
215 #define DSCP(x) ((x) << 22)
216 #define SMAC_SEL(x) ((u64)(x) << 28)
217 #define L2T_IDX(x) ((u64)(x) << 36)
218 #define TCAM_BYPASS(x) ((u64)(x) << 48)
219 #define NAGLE(x) ((u64)(x) << 49)
220 #define WND_SCALE(x) ((u64)(x) << 50)
221 #define KEEP_ALIVE(x) ((u64)(x) << 54)
222 #define MSS_IDX(x) ((u64)(x) << 60)
224 #define SYN_RSS_ENABLE (1 << 0)
225 #define SYN_RSS_QUEUE(x) ((x) << 2)
226 #define CONN_POLICY_ASK (1 << 22)
229 struct cpl_pass_open_req6 {
242 struct cpl_pass_open_rpl {
248 struct cpl_pass_accept_rpl {
252 #define RSS_QUEUE(x) ((x) << 0)
253 #define RSS_QUEUE_VALID (1 << 10)
254 #define RX_COALESCE_VALID(x) ((x) << 11)
255 #define RX_COALESCE(x) ((x) << 12)
256 #define PACE(x) ((x) << 16)
257 #define TX_QUEUE(x) ((x) << 23)
258 #define RX_CHANNEL(x) ((x) << 26)
259 #define CCTRL_ECN(x) ((x) << 27)
260 #define WND_SCALE_EN(x) ((x) << 28)
261 #define TSTAMPS_EN(x) ((x) << 29)
262 #define SACK_EN(x) ((x) << 30)
266 struct cpl_act_open_req {
278 struct cpl_act_open_req6 {
292 struct cpl_act_open_rpl {
295 #define GET_AOPEN_STATUS(x) ((x) & 0xff)
296 #define GET_AOPEN_ATID(x) (((x) >> 8) & 0xffffff)
299 struct cpl_pass_establish {
303 #define GET_POPEN_TID(x) ((x) & 0xffffff)
304 #define GET_POPEN_TOS(x) (((x) >> 24) & 0xff)
307 #define GET_TCPOPT_WSCALE_OK(x) (((x) >> 5) & 1)
308 #define GET_TCPOPT_SACK(x) (((x) >> 6) & 1)
309 #define GET_TCPOPT_TSTAMP(x) (((x) >> 7) & 1)
310 #define GET_TCPOPT_SND_WSCALE(x) (((x) >> 8) & 0xf)
311 #define GET_TCPOPT_MSS(x) (((x) >> 12) & 0xf)
316 struct cpl_act_establish {
330 #define QUEUENO(x) ((x) << 0)
331 #define REPLY_CHAN(x) ((x) << 14)
332 #define NO_REPLY(x) ((x) << 15)
336 struct cpl_set_tcb_field {
341 #define TCB_WORD(x) ((x) << 0)
342 #define TCB_COOKIE(x) ((x) << 5)
343 #define GET_TCB_COOKIE(x) (((x) >> 5) & 7)
348 struct cpl_set_tcb_rpl {
356 struct cpl_close_con_req {
362 struct cpl_close_con_rpl {
370 struct cpl_close_listsvr_req {
374 #define LISTSVR_IPV6 (1 << 14)
378 struct cpl_close_listsvr_rpl {
384 struct cpl_abort_req_rss {
390 struct cpl_abort_req {
399 struct cpl_abort_rpl_rss {
405 struct cpl_abort_rpl {
414 struct cpl_peer_close {
419 struct cpl_tid_release {
425 struct cpl_tx_pkt_core {
427 #define TXPKT_VF(x) ((x) << 0)
428 #define TXPKT_PF(x) ((x) << 8)
429 #define TXPKT_VF_VLD (1 << 11)
430 #define TXPKT_OVLAN_IDX(x) ((x) << 12)
431 #define TXPKT_INTF(x) ((x) << 16)
432 #define TXPKT_INS_OVLAN (1 << 21)
433 #define TXPKT_OPCODE(x) ((x) << 24)
437 #define TXPKT_CSUM_END(x) ((x) << 12)
438 #define TXPKT_CSUM_START(x) ((x) << 20)
439 #define TXPKT_IPHDR_LEN(x) ((u64)(x) << 20)
440 #define TXPKT_CSUM_LOC(x) ((u64)(x) << 30)
441 #define TXPKT_ETHHDR_LEN(x) ((u64)(x) << 34)
442 #define TXPKT_CSUM_TYPE(x) ((u64)(x) << 40)
443 #define TXPKT_VLAN(x) ((u64)(x) << 44)
444 #define TXPKT_VLAN_VLD (1ULL << 60)
445 #define TXPKT_IPCSUM_DIS (1ULL << 62)
446 #define TXPKT_L4CSUM_DIS (1ULL << 63)
451 struct cpl_tx_pkt_core c;
454 #define cpl_tx_pkt_xt cpl_tx_pkt
456 struct cpl_tx_pkt_lso_core {
458 #define LSO_TCPHDR_LEN(x) ((x) << 0)
459 #define LSO_IPHDR_LEN(x) ((x) << 4)
460 #define LSO_ETHHDR_LEN(x) ((x) << 16)
461 #define LSO_IPV6(x) ((x) << 20)
462 #define LSO_LAST_SLICE (1 << 22)
463 #define LSO_FIRST_SLICE (1 << 23)
464 #define LSO_OPCODE(x) ((x) << 24)
469 /* encapsulated CPL (TX_PKT, TX_PKT_XT or TX_DATA) follows here */
472 struct cpl_tx_pkt_lso {
474 struct cpl_tx_pkt_lso_core c;
475 /* encapsulated CPL (TX_PKT, TX_PKT_XT or TX_DATA) follows here */
478 struct cpl_iscsi_hdr {
481 #define ISCSI_PDU_LEN(x) ((x) & 0x7FFF)
482 #define ISCSI_DDP (1 << 15)
496 #if defined(__LITTLE_ENDIAN_BITFIELD)
512 struct cpl_rx_data_ack {
516 #define RX_CREDITS(x) ((x) << 0)
517 #define RX_FORCE_ACK(x) ((x) << 28)
521 struct rss_header rsshdr;
523 #if defined(__LITTLE_ENDIAN_BITFIELD)
540 #define RXF_UDP (1 << 22)
541 #define RXF_TCP (1 << 23)
542 #define RXF_IP (1 << 24)
543 #define RXF_IP6 (1 << 25)
548 struct cpl_trace_pkt {
551 #if defined(__LITTLE_ENDIAN_BITFIELD)
569 struct cpl_l2t_write_req {
573 #define L2T_W_INFO(x) ((x) << 2)
574 #define L2T_W_PORT(x) ((x) << 8)
575 #define L2T_W_NOREPLY(x) ((x) << 15)
581 struct cpl_l2t_write_rpl {
587 struct cpl_rdma_terminate {
593 struct cpl_sge_egr_update {
595 #define EGR_QID(x) ((x) & 0x1FFFF)
643 /* cpl_fw6_msg.type values */
645 FW6_TYPE_CMD_RPL = 0,
648 FW6_TYPE_OFLD_CONNECTION_WR_RPL = 3,
651 struct cpl_fw6_msg_ofld_connection_wr_rpl {
653 __be32 tid; /* or atid in case of active failure */
661 ULP_TX_MEM_WRITE = 3,
666 ULP_TX_SC_NOOP = 0x80,
667 ULP_TX_SC_IMM = 0x81,
668 ULP_TX_SC_DSGL = 0x82,
669 ULP_TX_SC_ISGL = 0x83
672 struct ulptx_sge_pair {
679 #define ULPTX_CMD(x) ((x) << 24)
680 #define ULPTX_NSGE(x) ((x) << 0)
681 #define ULPTX_MORE (1U << 23)
684 struct ulptx_sge_pair sge[0];
690 #define ULP_MEMIO_ORDER(x) ((x) << 23)
691 __be32 len16; /* command length */
692 __be32 dlen; /* data length in 32-byte units */
693 #define ULP_MEMIO_DATA_LEN(x) ((x) << 0)
695 #define ULP_MEMIO_ADDR(x) ((x) << 0)
696 #define ULP_MEMIO_LOCK(x) ((x) << 31)
699 #endif /* __T4_MSG_H */