1/* 2 * Broadcom NetXtreme-E RoCE driver. 3 * 4 * Copyright (c) 2016 - 2017, Broadcom. All rights reserved. The term 5 * Broadcom refers to Broadcom Limited and/or its subsidiaries. 6 * 7 * This software is available to you under a choice of one of two 8 * licenses. You may choose to be licensed under the terms of the GNU 9 * General Public License (GPL) Version 2, available from the file 10 * COPYING in the main directory of this source tree, or the 11 * BSD license below: 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 2. Redistributions in binary form must reproduce the above copyright 20 * notice, this list of conditions and the following disclaimer in 21 * the documentation and/or other materials provided with the 22 * distribution. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 26 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 27 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS 28 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 31 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 32 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 33 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 34 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35 * 36 * Description: Slow Path Operators (header) 37 * 38 */ 39 40#ifndef __BNXT_QPLIB_SP_H__ 41#define __BNXT_QPLIB_SP_H__ 42 43#define BNXT_QPLIB_RESERVED_QP_WRS 128 44 45struct bnxt_qplib_dev_attr { 46#define FW_VER_ARR_LEN 4 47 u8 fw_ver[FW_VER_ARR_LEN]; 48#define BNXT_QPLIB_NUM_GIDS_SUPPORTED 256 49 u16 max_sgid; 50 u16 max_mrw; 51 u32 max_qp; 52#define BNXT_QPLIB_MAX_OUT_RD_ATOM 126 53 u32 max_qp_rd_atom; 54 u32 max_qp_init_rd_atom; 55 u32 max_qp_wqes; 56 u32 max_qp_sges; 57 u32 max_cq; 58 u32 max_cq_wqes; 59 u32 max_cq_sges; 60 u32 max_mr; 61 u64 max_mr_size; 62 u32 max_pd; 63 u32 max_mw; 64 u32 max_raw_ethy_qp; 65 u32 max_ah; 66 u32 max_srq; 67 u32 max_srq_wqes; 68 u32 max_srq_sges; 69 u32 max_pkey; 70 u32 max_inline_data; 71 u32 l2_db_size; 72 u8 tqm_alloc_reqs[MAX_TQM_ALLOC_REQ]; 73 bool is_atomic; 74 u16 dev_cap_flags; 75 u32 max_dpi; 76}; 77 78struct bnxt_qplib_pd { 79 u32 id; 80}; 81 82struct bnxt_qplib_gid { 83 u8 data[16]; 84}; 85 86struct bnxt_qplib_gid_info { 87 struct bnxt_qplib_gid gid; 88 u16 vlan_id; 89}; 90 91struct bnxt_qplib_ah { 92 struct bnxt_qplib_gid dgid; 93 struct bnxt_qplib_pd *pd; 94 u32 id; 95 u8 sgid_index; 96 /* For Query AH if the hw table and SW table are differnt */ 97 u8 host_sgid_index; 98 u8 traffic_class; 99 u32 flow_label; 100 u8 hop_limit; 101 u8 sl; 102 u8 dmac[6]; 103 u16 vlan_id; 104 u8 nw_type; 105}; 106 107struct bnxt_qplib_mrw { 108 struct bnxt_qplib_pd *pd; 109 int type; 110 u32 flags; 111#define BNXT_QPLIB_FR_PMR 0x80000000 112 u32 lkey; 113 u32 rkey; 114#define BNXT_QPLIB_RSVD_LKEY 0xFFFFFFFF 115 u64 va; 116 u64 total_size; 117 u32 npages; 118 u64 mr_handle; 119 struct bnxt_qplib_hwq hwq; 120}; 121 122struct bnxt_qplib_frpl { 123 int max_pg_ptrs; 124 struct bnxt_qplib_hwq hwq; 125}; 126 127#define BNXT_QPLIB_ACCESS_LOCAL_WRITE BIT(0) 128#define BNXT_QPLIB_ACCESS_REMOTE_READ BIT(1) 129#define BNXT_QPLIB_ACCESS_REMOTE_WRITE BIT(2) 130#define BNXT_QPLIB_ACCESS_REMOTE_ATOMIC BIT(3) 131#define BNXT_QPLIB_ACCESS_MW_BIND BIT(4) 132#define BNXT_QPLIB_ACCESS_ZERO_BASED BIT(5) 133#define BNXT_QPLIB_ACCESS_ON_DEMAND BIT(6) 134 135struct bnxt_qplib_roce_stats { 136 u64 to_retransmits; 137 u64 seq_err_naks_rcvd; 138 /* seq_err_naks_rcvd is 64 b */ 139 u64 max_retry_exceeded; 140 /* max_retry_exceeded is 64 b */ 141 u64 rnr_naks_rcvd; 142 /* rnr_naks_rcvd is 64 b */ 143 u64 missing_resp; 144 u64 unrecoverable_err; 145 /* unrecoverable_err is 64 b */ 146 u64 bad_resp_err; 147 /* bad_resp_err is 64 b */ 148 u64 local_qp_op_err; 149 /* local_qp_op_err is 64 b */ 150 u64 local_protection_err; 151 /* local_protection_err is 64 b */ 152 u64 mem_mgmt_op_err; 153 /* mem_mgmt_op_err is 64 b */ 154 u64 remote_invalid_req_err; 155 /* remote_invalid_req_err is 64 b */ 156 u64 remote_access_err; 157 /* remote_access_err is 64 b */ 158 u64 remote_op_err; 159 /* remote_op_err is 64 b */ 160 u64 dup_req; 161 /* dup_req is 64 b */ 162 u64 res_exceed_max; 163 /* res_exceed_max is 64 b */ 164 u64 res_length_mismatch; 165 /* res_length_mismatch is 64 b */ 166 u64 res_exceeds_wqe; 167 /* res_exceeds_wqe is 64 b */ 168 u64 res_opcode_err; 169 /* res_opcode_err is 64 b */ 170 u64 res_rx_invalid_rkey; 171 /* res_rx_invalid_rkey is 64 b */ 172 u64 res_rx_domain_err; 173 /* res_rx_domain_err is 64 b */ 174 u64 res_rx_no_perm; 175 /* res_rx_no_perm is 64 b */ 176 u64 res_rx_range_err; 177 /* res_rx_range_err is 64 b */ 178 u64 res_tx_invalid_rkey; 179 /* res_tx_invalid_rkey is 64 b */ 180 u64 res_tx_domain_err; 181 /* res_tx_domain_err is 64 b */ 182 u64 res_tx_no_perm; 183 /* res_tx_no_perm is 64 b */ 184 u64 res_tx_range_err; 185 /* res_tx_range_err is 64 b */ 186 u64 res_irrq_oflow; 187 /* res_irrq_oflow is 64 b */ 188 u64 res_unsup_opcode; 189 /* res_unsup_opcode is 64 b */ 190 u64 res_unaligned_atomic; 191 /* res_unaligned_atomic is 64 b */ 192 u64 res_rem_inv_err; 193 /* res_rem_inv_err is 64 b */ 194 u64 res_mem_error; 195 /* res_mem_error is 64 b */ 196 u64 res_srq_err; 197 /* res_srq_err is 64 b */ 198 u64 res_cmp_err; 199 /* res_cmp_err is 64 b */ 200 u64 res_invalid_dup_rkey; 201 /* res_invalid_dup_rkey is 64 b */ 202 u64 res_wqe_format_err; 203 /* res_wqe_format_err is 64 b */ 204 u64 res_cq_load_err; 205 /* res_cq_load_err is 64 b */ 206 u64 res_srq_load_err; 207 /* res_srq_load_err is 64 b */ 208 u64 res_tx_pci_err; 209 /* res_tx_pci_err is 64 b */ 210 u64 res_rx_pci_err; 211 /* res_rx_pci_err is 64 b */ 212 u64 res_oos_drop_count; 213 /* res_oos_drop_count */ 214 u64 active_qp_count_p0; 215 /* port 0 active qps */ 216 u64 active_qp_count_p1; 217 /* port 1 active qps */ 218 u64 active_qp_count_p2; 219 /* port 2 active qps */ 220 u64 active_qp_count_p3; 221 /* port 3 active qps */ 222}; 223 224struct bnxt_qplib_ext_stat { 225 u64 tx_atomic_req; 226 u64 tx_read_req; 227 u64 tx_read_res; 228 u64 tx_write_req; 229 u64 tx_send_req; 230 u64 tx_roce_pkts; 231 u64 tx_roce_bytes; 232 u64 rx_atomic_req; 233 u64 rx_read_req; 234 u64 rx_read_res; 235 u64 rx_write_req; 236 u64 rx_send_req; 237 u64 rx_roce_pkts; 238 u64 rx_roce_bytes; 239 u64 rx_roce_good_pkts; 240 u64 rx_roce_good_bytes; 241 u64 rx_out_of_buffer; 242 u64 rx_out_of_sequence; 243 u64 tx_cnp; 244 u64 rx_cnp; 245 u64 rx_ecn_marked; 246}; 247 248struct bnxt_qplib_cc_param_ext { 249 u64 ext_mask; 250 u16 inact_th_hi; 251 u16 min_delta_cnp; 252 u16 init_cp; 253 u8 tr_update_mode; 254 u8 tr_update_cyls; 255 u8 fr_rtt; 256 u8 ai_rate_incr; 257 u16 rr_rtt_th; 258 u16 ar_cr_th; 259 u16 cr_min_th; 260 u8 bw_avg_weight; 261 u8 cr_factor; 262 u16 cr_th_max_cp; 263 u8 cp_bias_en; 264 u8 cp_bias; 265 u8 cnp_ecn; 266 u8 rtt_jitter_en; 267 u16 bytes_per_usec; 268 u16 cc_cr_reset_th; 269 u8 cr_width; 270 u8 min_quota; 271 u8 max_quota; 272 u8 abs_max_quota; 273 u16 tr_lb; 274 u8 cr_prob_fac; 275 u8 tr_prob_fac; 276 u16 fair_cr_th; 277 u8 red_div; 278 u8 cnp_ratio_th; 279 u16 ai_ext_rtt; 280 u8 exp_crcp_ratio; 281 u8 low_rate_en; 282 u16 cpcr_update_th; 283 u16 ai_rtt_th1; 284 u16 ai_rtt_th2; 285 u16 cf_rtt_th; 286 u16 sc_cr_th1; /* severe congestion cr threshold 1 */ 287 u16 sc_cr_th2; /* severe congestion cr threshold 2 */ 288 u32 l64B_per_rtt; 289 u8 cc_ack_bytes; 290 u16 reduce_cf_rtt_th; 291}; 292 293struct bnxt_qplib_cc_param { 294 u8 alt_vlan_pcp; 295 u16 alt_tos_dscp; 296 u8 cc_mode; 297 u8 enable; 298 u16 inact_th; 299 u16 init_cr; 300 u16 init_tr; 301 u16 rtt; 302 u8 g; 303 u8 nph_per_state; 304 u8 time_pph; 305 u8 pkts_pph; 306 u8 tos_ecn; 307 u8 tos_dscp; 308 u16 tcp_cp; 309 struct bnxt_qplib_cc_param_ext cc_ext; 310 u32 mask; 311}; 312 313int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res, 314 struct bnxt_qplib_sgid_tbl *sgid_tbl, int index, 315 struct bnxt_qplib_gid *gid); 316int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, 317 struct bnxt_qplib_gid *gid, u16 vlan_id, bool update); 318int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, 319 struct bnxt_qplib_gid *gid, const u8 *mac, u16 vlan_id, 320 bool update, u32 *index); 321int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, 322 struct bnxt_qplib_gid *gid, u16 gid_idx, 323 const u8 *smac); 324int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, 325 struct bnxt_qplib_dev_attr *attr); 326int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res, 327 struct bnxt_qplib_rcfw *rcfw, 328 struct bnxt_qplib_ctx *ctx); 329int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah, 330 bool block); 331int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah, 332 bool block); 333int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res, 334 struct bnxt_qplib_mrw *mrw); 335int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw, 336 bool block); 337int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr, 338 struct ib_umem *umem, int num_pbls, u32 buf_pg_size); 339int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr); 340int bnxt_qplib_alloc_fast_reg_mr(struct bnxt_qplib_res *res, 341 struct bnxt_qplib_mrw *mr, int max); 342int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res, 343 struct bnxt_qplib_frpl *frpl, int max); 344int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res, 345 struct bnxt_qplib_frpl *frpl); 346int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw, 347 struct bnxt_qplib_roce_stats *stats); 348int bnxt_qplib_qext_stat(struct bnxt_qplib_rcfw *rcfw, u32 fid, 349 struct bnxt_qplib_ext_stat *estat); 350int bnxt_qplib_modify_cc(struct bnxt_qplib_res *res, 351 struct bnxt_qplib_cc_param *cc_param); 352 353#endif /* __BNXT_QPLIB_SP_H__*/ 354