linux/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c
<<
>>
Prefs
   1/* QLogic qed NIC Driver
   2 * Copyright (c) 2015 QLogic Corporation
   3 *
   4 * This software is available under the terms of the GNU General Public License
   5 * (GPL) Version 2, available from the file COPYING in the main directory of
   6 * this source tree.
   7 */
   8
   9#include <linux/types.h>
  10#include <asm/byteorder.h>
  11#include <linux/bitops.h>
  12#include <linux/errno.h>
  13#include <linux/kernel.h>
  14#include <linux/string.h>
  15#include "qed.h"
  16#include <linux/qed/qed_chain.h>
  17#include "qed_cxt.h"
  18#include "qed_dcbx.h"
  19#include "qed_hsi.h"
  20#include "qed_hw.h"
  21#include "qed_int.h"
  22#include "qed_reg_addr.h"
  23#include "qed_sp.h"
  24#include "qed_sriov.h"
  25
  26int qed_sp_init_request(struct qed_hwfn *p_hwfn,
  27                        struct qed_spq_entry **pp_ent,
  28                        u8 cmd, u8 protocol, struct qed_sp_init_data *p_data)
  29{
  30        u32 opaque_cid = p_data->opaque_fid << 16 | p_data->cid;
  31        struct qed_spq_entry *p_ent = NULL;
  32        int rc;
  33
  34        if (!pp_ent)
  35                return -ENOMEM;
  36
  37        rc = qed_spq_get_entry(p_hwfn, pp_ent);
  38
  39        if (rc)
  40                return rc;
  41
  42        p_ent = *pp_ent;
  43
  44        p_ent->elem.hdr.cid             = cpu_to_le32(opaque_cid);
  45        p_ent->elem.hdr.cmd_id          = cmd;
  46        p_ent->elem.hdr.protocol_id     = protocol;
  47
  48        p_ent->priority         = QED_SPQ_PRIORITY_NORMAL;
  49        p_ent->comp_mode        = p_data->comp_mode;
  50        p_ent->comp_done.done   = 0;
  51
  52        switch (p_ent->comp_mode) {
  53        case QED_SPQ_MODE_EBLOCK:
  54                p_ent->comp_cb.cookie = &p_ent->comp_done;
  55                break;
  56
  57        case QED_SPQ_MODE_BLOCK:
  58                if (!p_data->p_comp_data)
  59                        return -EINVAL;
  60
  61                p_ent->comp_cb.cookie = p_data->p_comp_data->cookie;
  62                break;
  63
  64        case QED_SPQ_MODE_CB:
  65                if (!p_data->p_comp_data)
  66                        p_ent->comp_cb.function = NULL;
  67                else
  68                        p_ent->comp_cb = *p_data->p_comp_data;
  69                break;
  70
  71        default:
  72                DP_NOTICE(p_hwfn, "Unknown SPQE completion mode %d\n",
  73                          p_ent->comp_mode);
  74                return -EINVAL;
  75        }
  76
  77        DP_VERBOSE(p_hwfn, QED_MSG_SPQ,
  78                   "Initialized: CID %08x cmd %02x protocol %02x data_addr %lu comp_mode [%s]\n",
  79                   opaque_cid, cmd, protocol,
  80                   (unsigned long)&p_ent->ramrod,
  81                   D_TRINE(p_ent->comp_mode, QED_SPQ_MODE_EBLOCK,
  82                           QED_SPQ_MODE_BLOCK, "MODE_EBLOCK", "MODE_BLOCK",
  83                           "MODE_CB"));
  84
  85        memset(&p_ent->ramrod, 0, sizeof(p_ent->ramrod));
  86
  87        return 0;
  88}
  89
  90static enum tunnel_clss qed_tunn_get_clss_type(u8 type)
  91{
  92        switch (type) {
  93        case QED_TUNN_CLSS_MAC_VLAN:
  94                return TUNNEL_CLSS_MAC_VLAN;
  95        case QED_TUNN_CLSS_MAC_VNI:
  96                return TUNNEL_CLSS_MAC_VNI;
  97        case QED_TUNN_CLSS_INNER_MAC_VLAN:
  98                return TUNNEL_CLSS_INNER_MAC_VLAN;
  99        case QED_TUNN_CLSS_INNER_MAC_VNI:
 100                return TUNNEL_CLSS_INNER_MAC_VNI;
 101        default:
 102                return TUNNEL_CLSS_MAC_VLAN;
 103        }
 104}
 105
 106static void
 107qed_tunn_set_pf_fix_tunn_mode(struct qed_hwfn *p_hwfn,
 108                              struct qed_tunn_update_params *p_src,
 109                              struct pf_update_tunnel_config *p_tunn_cfg)
 110{
 111        unsigned long cached_tunn_mode = p_hwfn->cdev->tunn_mode;
 112        unsigned long update_mask = p_src->tunn_mode_update_mask;
 113        unsigned long tunn_mode = p_src->tunn_mode;
 114        unsigned long new_tunn_mode = 0;
 115
 116        if (test_bit(QED_MODE_L2GRE_TUNN, &update_mask)) {
 117                if (test_bit(QED_MODE_L2GRE_TUNN, &tunn_mode))
 118                        __set_bit(QED_MODE_L2GRE_TUNN, &new_tunn_mode);
 119        } else {
 120                if (test_bit(QED_MODE_L2GRE_TUNN, &cached_tunn_mode))
 121                        __set_bit(QED_MODE_L2GRE_TUNN, &new_tunn_mode);
 122        }
 123
 124        if (test_bit(QED_MODE_IPGRE_TUNN, &update_mask)) {
 125                if (test_bit(QED_MODE_IPGRE_TUNN, &tunn_mode))
 126                        __set_bit(QED_MODE_IPGRE_TUNN, &new_tunn_mode);
 127        } else {
 128                if (test_bit(QED_MODE_IPGRE_TUNN, &cached_tunn_mode))
 129                        __set_bit(QED_MODE_IPGRE_TUNN, &new_tunn_mode);
 130        }
 131
 132        if (test_bit(QED_MODE_VXLAN_TUNN, &update_mask)) {
 133                if (test_bit(QED_MODE_VXLAN_TUNN, &tunn_mode))
 134                        __set_bit(QED_MODE_VXLAN_TUNN, &new_tunn_mode);
 135        } else {
 136                if (test_bit(QED_MODE_VXLAN_TUNN, &cached_tunn_mode))
 137                        __set_bit(QED_MODE_VXLAN_TUNN, &new_tunn_mode);
 138        }
 139
 140        if (p_src->update_geneve_udp_port) {
 141                p_tunn_cfg->set_geneve_udp_port_flg = 1;
 142                p_tunn_cfg->geneve_udp_port =
 143                                cpu_to_le16(p_src->geneve_udp_port);
 144        }
 145
 146        if (test_bit(QED_MODE_L2GENEVE_TUNN, &update_mask)) {
 147                if (test_bit(QED_MODE_L2GENEVE_TUNN, &tunn_mode))
 148                        __set_bit(QED_MODE_L2GENEVE_TUNN, &new_tunn_mode);
 149        } else {
 150                if (test_bit(QED_MODE_L2GENEVE_TUNN, &cached_tunn_mode))
 151                        __set_bit(QED_MODE_L2GENEVE_TUNN, &new_tunn_mode);
 152        }
 153
 154        if (test_bit(QED_MODE_IPGENEVE_TUNN, &update_mask)) {
 155                if (test_bit(QED_MODE_IPGENEVE_TUNN, &tunn_mode))
 156                        __set_bit(QED_MODE_IPGENEVE_TUNN, &new_tunn_mode);
 157        } else {
 158                if (test_bit(QED_MODE_IPGENEVE_TUNN, &cached_tunn_mode))
 159                        __set_bit(QED_MODE_IPGENEVE_TUNN, &new_tunn_mode);
 160        }
 161
 162        p_src->tunn_mode = new_tunn_mode;
 163}
 164
 165static void
 166qed_tunn_set_pf_update_params(struct qed_hwfn *p_hwfn,
 167                              struct qed_tunn_update_params *p_src,
 168                              struct pf_update_tunnel_config *p_tunn_cfg)
 169{
 170        unsigned long tunn_mode = p_src->tunn_mode;
 171        enum tunnel_clss type;
 172
 173        qed_tunn_set_pf_fix_tunn_mode(p_hwfn, p_src, p_tunn_cfg);
 174        p_tunn_cfg->update_rx_pf_clss = p_src->update_rx_pf_clss;
 175        p_tunn_cfg->update_tx_pf_clss = p_src->update_tx_pf_clss;
 176
 177        type = qed_tunn_get_clss_type(p_src->tunn_clss_vxlan);
 178        p_tunn_cfg->tunnel_clss_vxlan  = type;
 179
 180        type = qed_tunn_get_clss_type(p_src->tunn_clss_l2gre);
 181        p_tunn_cfg->tunnel_clss_l2gre = type;
 182
 183        type = qed_tunn_get_clss_type(p_src->tunn_clss_ipgre);
 184        p_tunn_cfg->tunnel_clss_ipgre = type;
 185
 186        if (p_src->update_vxlan_udp_port) {
 187                p_tunn_cfg->set_vxlan_udp_port_flg = 1;
 188                p_tunn_cfg->vxlan_udp_port = cpu_to_le16(p_src->vxlan_udp_port);
 189        }
 190
 191        if (test_bit(QED_MODE_L2GRE_TUNN, &tunn_mode))
 192                p_tunn_cfg->tx_enable_l2gre = 1;
 193
 194        if (test_bit(QED_MODE_IPGRE_TUNN, &tunn_mode))
 195                p_tunn_cfg->tx_enable_ipgre = 1;
 196
 197        if (test_bit(QED_MODE_VXLAN_TUNN, &tunn_mode))
 198                p_tunn_cfg->tx_enable_vxlan = 1;
 199
 200        if (p_src->update_geneve_udp_port) {
 201                p_tunn_cfg->set_geneve_udp_port_flg = 1;
 202                p_tunn_cfg->geneve_udp_port =
 203                                cpu_to_le16(p_src->geneve_udp_port);
 204        }
 205
 206        if (test_bit(QED_MODE_L2GENEVE_TUNN, &tunn_mode))
 207                p_tunn_cfg->tx_enable_l2geneve = 1;
 208
 209        if (test_bit(QED_MODE_IPGENEVE_TUNN, &tunn_mode))
 210                p_tunn_cfg->tx_enable_ipgeneve = 1;
 211
 212        type = qed_tunn_get_clss_type(p_src->tunn_clss_l2geneve);
 213        p_tunn_cfg->tunnel_clss_l2geneve = type;
 214
 215        type = qed_tunn_get_clss_type(p_src->tunn_clss_ipgeneve);
 216        p_tunn_cfg->tunnel_clss_ipgeneve = type;
 217}
 218
 219static void qed_set_hw_tunn_mode(struct qed_hwfn *p_hwfn,
 220                                 struct qed_ptt *p_ptt,
 221                                 unsigned long tunn_mode)
 222{
 223        u8 l2gre_enable = 0, ipgre_enable = 0, vxlan_enable = 0;
 224        u8 l2geneve_enable = 0, ipgeneve_enable = 0;
 225
 226        if (test_bit(QED_MODE_L2GRE_TUNN, &tunn_mode))
 227                l2gre_enable = 1;
 228
 229        if (test_bit(QED_MODE_IPGRE_TUNN, &tunn_mode))
 230                ipgre_enable = 1;
 231
 232        if (test_bit(QED_MODE_VXLAN_TUNN, &tunn_mode))
 233                vxlan_enable = 1;
 234
 235        qed_set_gre_enable(p_hwfn, p_ptt, l2gre_enable, ipgre_enable);
 236        qed_set_vxlan_enable(p_hwfn, p_ptt, vxlan_enable);
 237
 238        if (test_bit(QED_MODE_L2GENEVE_TUNN, &tunn_mode))
 239                l2geneve_enable = 1;
 240
 241        if (test_bit(QED_MODE_IPGENEVE_TUNN, &tunn_mode))
 242                ipgeneve_enable = 1;
 243
 244        qed_set_geneve_enable(p_hwfn, p_ptt, l2geneve_enable,
 245                              ipgeneve_enable);
 246}
 247
 248static void
 249qed_tunn_set_pf_start_params(struct qed_hwfn *p_hwfn,
 250                             struct qed_tunn_start_params *p_src,
 251                             struct pf_start_tunnel_config *p_tunn_cfg)
 252{
 253        unsigned long tunn_mode;
 254        enum tunnel_clss type;
 255
 256        if (!p_src)
 257                return;
 258
 259        tunn_mode = p_src->tunn_mode;
 260        type = qed_tunn_get_clss_type(p_src->tunn_clss_vxlan);
 261        p_tunn_cfg->tunnel_clss_vxlan = type;
 262        type = qed_tunn_get_clss_type(p_src->tunn_clss_l2gre);
 263        p_tunn_cfg->tunnel_clss_l2gre = type;
 264        type = qed_tunn_get_clss_type(p_src->tunn_clss_ipgre);
 265        p_tunn_cfg->tunnel_clss_ipgre = type;
 266
 267        if (p_src->update_vxlan_udp_port) {
 268                p_tunn_cfg->set_vxlan_udp_port_flg = 1;
 269                p_tunn_cfg->vxlan_udp_port = cpu_to_le16(p_src->vxlan_udp_port);
 270        }
 271
 272        if (test_bit(QED_MODE_L2GRE_TUNN, &tunn_mode))
 273                p_tunn_cfg->tx_enable_l2gre = 1;
 274
 275        if (test_bit(QED_MODE_IPGRE_TUNN, &tunn_mode))
 276                p_tunn_cfg->tx_enable_ipgre = 1;
 277
 278        if (test_bit(QED_MODE_VXLAN_TUNN, &tunn_mode))
 279                p_tunn_cfg->tx_enable_vxlan = 1;
 280
 281        if (p_src->update_geneve_udp_port) {
 282                p_tunn_cfg->set_geneve_udp_port_flg = 1;
 283                p_tunn_cfg->geneve_udp_port =
 284                                cpu_to_le16(p_src->geneve_udp_port);
 285        }
 286
 287        if (test_bit(QED_MODE_L2GENEVE_TUNN, &tunn_mode))
 288                p_tunn_cfg->tx_enable_l2geneve = 1;
 289
 290        if (test_bit(QED_MODE_IPGENEVE_TUNN, &tunn_mode))
 291                p_tunn_cfg->tx_enable_ipgeneve = 1;
 292
 293        type = qed_tunn_get_clss_type(p_src->tunn_clss_l2geneve);
 294        p_tunn_cfg->tunnel_clss_l2geneve = type;
 295        type = qed_tunn_get_clss_type(p_src->tunn_clss_ipgeneve);
 296        p_tunn_cfg->tunnel_clss_ipgeneve = type;
 297}
 298
 299int qed_sp_pf_start(struct qed_hwfn *p_hwfn,
 300                    struct qed_tunn_start_params *p_tunn,
 301                    enum qed_mf_mode mode, bool allow_npar_tx_switch)
 302{
 303        struct pf_start_ramrod_data *p_ramrod = NULL;
 304        u16 sb = qed_int_get_sp_sb_id(p_hwfn);
 305        u8 sb_index = p_hwfn->p_eq->eq_sb_index;
 306        struct qed_spq_entry *p_ent = NULL;
 307        struct qed_sp_init_data init_data;
 308        int rc = -EINVAL;
 309        u8 page_cnt;
 310
 311        /* update initial eq producer */
 312        qed_eq_prod_update(p_hwfn,
 313                           qed_chain_get_prod_idx(&p_hwfn->p_eq->chain));
 314
 315        memset(&init_data, 0, sizeof(init_data));
 316        init_data.cid = qed_spq_get_cid(p_hwfn);
 317        init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
 318        init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
 319
 320        rc = qed_sp_init_request(p_hwfn, &p_ent,
 321                                 COMMON_RAMROD_PF_START,
 322                                 PROTOCOLID_COMMON, &init_data);
 323        if (rc)
 324                return rc;
 325
 326        p_ramrod = &p_ent->ramrod.pf_start;
 327
 328        p_ramrod->event_ring_sb_id      = cpu_to_le16(sb);
 329        p_ramrod->event_ring_sb_index   = sb_index;
 330        p_ramrod->path_id               = QED_PATH_ID(p_hwfn);
 331        p_ramrod->dont_log_ramrods      = 0;
 332        p_ramrod->log_type_mask         = cpu_to_le16(0xf);
 333
 334        switch (mode) {
 335        case QED_MF_DEFAULT:
 336        case QED_MF_NPAR:
 337                p_ramrod->mf_mode = MF_NPAR;
 338                break;
 339        case QED_MF_OVLAN:
 340                p_ramrod->mf_mode = MF_OVLAN;
 341                break;
 342        default:
 343                DP_NOTICE(p_hwfn, "Unsupported MF mode, init as DEFAULT\n");
 344                p_ramrod->mf_mode = MF_NPAR;
 345        }
 346        p_ramrod->outer_tag = p_hwfn->hw_info.ovlan;
 347
 348        /* Place EQ address in RAMROD */
 349        DMA_REGPAIR_LE(p_ramrod->event_ring_pbl_addr,
 350                       p_hwfn->p_eq->chain.pbl.p_phys_table);
 351        page_cnt = (u8)qed_chain_get_page_cnt(&p_hwfn->p_eq->chain);
 352        p_ramrod->event_ring_num_pages = page_cnt;
 353        DMA_REGPAIR_LE(p_ramrod->consolid_q_pbl_addr,
 354                       p_hwfn->p_consq->chain.pbl.p_phys_table);
 355
 356        qed_tunn_set_pf_start_params(p_hwfn, p_tunn, &p_ramrod->tunnel_config);
 357
 358        if (IS_MF_SI(p_hwfn))
 359                p_ramrod->allow_npar_tx_switching = allow_npar_tx_switch;
 360
 361        switch (p_hwfn->hw_info.personality) {
 362        case QED_PCI_ETH:
 363                p_ramrod->personality = PERSONALITY_ETH;
 364                break;
 365        case QED_PCI_ISCSI:
 366                p_ramrod->personality = PERSONALITY_ISCSI;
 367                break;
 368        case QED_PCI_ETH_ROCE:
 369                p_ramrod->personality = PERSONALITY_RDMA_AND_ETH;
 370                break;
 371        default:
 372                DP_NOTICE(p_hwfn, "Unkown personality %d\n",
 373                          p_hwfn->hw_info.personality);
 374                p_ramrod->personality = PERSONALITY_ETH;
 375        }
 376
 377        if (p_hwfn->cdev->p_iov_info) {
 378                struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
 379
 380                p_ramrod->base_vf_id = (u8) p_iov->first_vf_in_pf;
 381                p_ramrod->num_vfs = (u8) p_iov->total_vfs;
 382        }
 383        p_ramrod->hsi_fp_ver.major_ver_arr[ETH_VER_KEY] = ETH_HSI_VER_MAJOR;
 384        p_ramrod->hsi_fp_ver.minor_ver_arr[ETH_VER_KEY] = ETH_HSI_VER_MINOR;
 385
 386        DP_VERBOSE(p_hwfn, QED_MSG_SPQ,
 387                   "Setting event_ring_sb [id %04x index %02x], outer_tag [%d]\n",
 388                   sb, sb_index, p_ramrod->outer_tag);
 389
 390        rc = qed_spq_post(p_hwfn, p_ent, NULL);
 391
 392        if (p_tunn) {
 393                qed_set_hw_tunn_mode(p_hwfn, p_hwfn->p_main_ptt,
 394                                     p_tunn->tunn_mode);
 395                p_hwfn->cdev->tunn_mode = p_tunn->tunn_mode;
 396        }
 397
 398        return rc;
 399}
 400
 401int qed_sp_pf_update(struct qed_hwfn *p_hwfn)
 402{
 403        struct qed_spq_entry *p_ent = NULL;
 404        struct qed_sp_init_data init_data;
 405        int rc = -EINVAL;
 406
 407        /* Get SPQ entry */
 408        memset(&init_data, 0, sizeof(init_data));
 409        init_data.cid = qed_spq_get_cid(p_hwfn);
 410        init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
 411        init_data.comp_mode = QED_SPQ_MODE_CB;
 412
 413        rc = qed_sp_init_request(p_hwfn, &p_ent,
 414                                 COMMON_RAMROD_PF_UPDATE, PROTOCOLID_COMMON,
 415                                 &init_data);
 416        if (rc)
 417                return rc;
 418
 419        qed_dcbx_set_pf_update_params(&p_hwfn->p_dcbx_info->results,
 420                                      &p_ent->ramrod.pf_update);
 421
 422        return qed_spq_post(p_hwfn, p_ent, NULL);
 423}
 424
 425/* Set pf update ramrod command params */
 426int qed_sp_pf_update_tunn_cfg(struct qed_hwfn *p_hwfn,
 427                              struct qed_tunn_update_params *p_tunn,
 428                              enum spq_mode comp_mode,
 429                              struct qed_spq_comp_cb *p_comp_data)
 430{
 431        struct qed_spq_entry *p_ent = NULL;
 432        struct qed_sp_init_data init_data;
 433        int rc = -EINVAL;
 434
 435        /* Get SPQ entry */
 436        memset(&init_data, 0, sizeof(init_data));
 437        init_data.cid = qed_spq_get_cid(p_hwfn);
 438        init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
 439        init_data.comp_mode = comp_mode;
 440        init_data.p_comp_data = p_comp_data;
 441
 442        rc = qed_sp_init_request(p_hwfn, &p_ent,
 443                                 COMMON_RAMROD_PF_UPDATE, PROTOCOLID_COMMON,
 444                                 &init_data);
 445        if (rc)
 446                return rc;
 447
 448        qed_tunn_set_pf_update_params(p_hwfn, p_tunn,
 449                                      &p_ent->ramrod.pf_update.tunnel_config);
 450
 451        rc = qed_spq_post(p_hwfn, p_ent, NULL);
 452        if (rc)
 453                return rc;
 454
 455        if (p_tunn->update_vxlan_udp_port)
 456                qed_set_vxlan_dest_port(p_hwfn, p_hwfn->p_main_ptt,
 457                                        p_tunn->vxlan_udp_port);
 458        if (p_tunn->update_geneve_udp_port)
 459                qed_set_geneve_dest_port(p_hwfn, p_hwfn->p_main_ptt,
 460                                         p_tunn->geneve_udp_port);
 461
 462        qed_set_hw_tunn_mode(p_hwfn, p_hwfn->p_main_ptt, p_tunn->tunn_mode);
 463        p_hwfn->cdev->tunn_mode = p_tunn->tunn_mode;
 464
 465        return rc;
 466}
 467
 468int qed_sp_pf_stop(struct qed_hwfn *p_hwfn)
 469{
 470        struct qed_spq_entry *p_ent = NULL;
 471        struct qed_sp_init_data init_data;
 472        int rc = -EINVAL;
 473
 474        /* Get SPQ entry */
 475        memset(&init_data, 0, sizeof(init_data));
 476        init_data.cid = qed_spq_get_cid(p_hwfn);
 477        init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
 478        init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
 479
 480        rc = qed_sp_init_request(p_hwfn, &p_ent,
 481                                 COMMON_RAMROD_PF_STOP, PROTOCOLID_COMMON,
 482                                 &init_data);
 483        if (rc)
 484                return rc;
 485
 486        return qed_spq_post(p_hwfn, p_ent, NULL);
 487}
 488
 489int qed_sp_heartbeat_ramrod(struct qed_hwfn *p_hwfn)
 490{
 491        struct qed_spq_entry *p_ent = NULL;
 492        struct qed_sp_init_data init_data;
 493        int rc;
 494
 495        /* Get SPQ entry */
 496        memset(&init_data, 0, sizeof(init_data));
 497        init_data.cid = qed_spq_get_cid(p_hwfn);
 498        init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
 499        init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
 500
 501        rc = qed_sp_init_request(p_hwfn, &p_ent,
 502                                 COMMON_RAMROD_EMPTY, PROTOCOLID_COMMON,
 503                                 &init_data);
 504        if (rc)
 505                return rc;
 506
 507        return qed_spq_post(p_hwfn, p_ent, NULL);
 508}
 509