| // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) | 
| /* QLogic qed NIC Driver | 
|  * Copyright (c) 2015-2017  QLogic Corporation | 
|  * Copyright (c) 2019-2020 Marvell International Ltd. | 
|  */ | 
|   | 
| #include <linux/types.h> | 
| #include <asm/byteorder.h> | 
| #include <linux/bitops.h> | 
| #include <linux/dcbnl.h> | 
| #include <linux/errno.h> | 
| #include <linux/kernel.h> | 
| #include <linux/slab.h> | 
| #include <linux/string.h> | 
| #include "qed.h" | 
| #include "qed_cxt.h" | 
| #include "qed_dcbx.h" | 
| #include "qed_hsi.h" | 
| #include "qed_sp.h" | 
| #include "qed_sriov.h" | 
| #include "qed_rdma.h" | 
| #ifdef CONFIG_DCB | 
| #include <linux/qed/qed_eth_if.h> | 
| #endif | 
|   | 
| #define QED_DCBX_MAX_MIB_READ_TRY       (100) | 
| #define QED_ETH_TYPE_DEFAULT            (0) | 
| #define QED_ETH_TYPE_ROCE               (0x8915) | 
| #define QED_UDP_PORT_TYPE_ROCE_V2       (0x12B7) | 
| #define QED_ETH_TYPE_FCOE               (0x8906) | 
| #define QED_TCP_PORT_ISCSI              (0xCBC) | 
|   | 
| #define QED_DCBX_INVALID_PRIORITY       0xFF | 
|   | 
| /* Get Traffic Class from priority traffic class table, 4 bits represent | 
|  * the traffic class corresponding to the priority. | 
|  */ | 
| #define QED_DCBX_PRIO2TC(prio_tc_tbl, prio) \ | 
|     ((u32)(prio_tc_tbl >> ((7 - prio) * 4)) & 0x7) | 
|   | 
| static const struct qed_dcbx_app_metadata qed_dcbx_app_update[] = { | 
|     {DCBX_PROTOCOL_ISCSI, "ISCSI", QED_PCI_ISCSI}, | 
|     {DCBX_PROTOCOL_FCOE, "FCOE", QED_PCI_FCOE}, | 
|     {DCBX_PROTOCOL_ROCE, "ROCE", QED_PCI_ETH_ROCE}, | 
|     {DCBX_PROTOCOL_ROCE_V2, "ROCE_V2", QED_PCI_ETH_ROCE}, | 
|     {DCBX_PROTOCOL_ETH, "ETH", QED_PCI_ETH}, | 
| }; | 
|   | 
| static bool qed_dcbx_app_ethtype(u32 app_info_bitmap) | 
| { | 
|     return !!(QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) == | 
|           DCBX_APP_SF_ETHTYPE); | 
| } | 
|   | 
| static bool qed_dcbx_ieee_app_ethtype(u32 app_info_bitmap) | 
| { | 
|     u8 mfw_val = QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE); | 
|   | 
|     /* Old MFW */ | 
|     if (mfw_val == DCBX_APP_SF_IEEE_RESERVED) | 
|         return qed_dcbx_app_ethtype(app_info_bitmap); | 
|   | 
|     return !!(mfw_val == DCBX_APP_SF_IEEE_ETHTYPE); | 
| } | 
|   | 
| static bool qed_dcbx_app_port(u32 app_info_bitmap) | 
| { | 
|     return !!(QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) == | 
|           DCBX_APP_SF_PORT); | 
| } | 
|   | 
| static bool qed_dcbx_ieee_app_port(u32 app_info_bitmap, u8 type) | 
| { | 
|     u8 mfw_val = QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE); | 
|   | 
|     /* Old MFW */ | 
|     if (mfw_val == DCBX_APP_SF_IEEE_RESERVED) | 
|         return qed_dcbx_app_port(app_info_bitmap); | 
|   | 
|     return !!(mfw_val == type || mfw_val == DCBX_APP_SF_IEEE_TCP_UDP_PORT); | 
| } | 
|   | 
| static bool qed_dcbx_default_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee) | 
| { | 
|     bool ethtype; | 
|   | 
|     if (ieee) | 
|         ethtype = qed_dcbx_ieee_app_ethtype(app_info_bitmap); | 
|     else | 
|         ethtype = qed_dcbx_app_ethtype(app_info_bitmap); | 
|   | 
|     return !!(ethtype && (proto_id == QED_ETH_TYPE_DEFAULT)); | 
| } | 
|   | 
| static bool qed_dcbx_iscsi_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee) | 
| { | 
|     bool port; | 
|   | 
|     if (ieee) | 
|         port = qed_dcbx_ieee_app_port(app_info_bitmap, | 
|                           DCBX_APP_SF_IEEE_TCP_PORT); | 
|     else | 
|         port = qed_dcbx_app_port(app_info_bitmap); | 
|   | 
|     return !!(port && (proto_id == QED_TCP_PORT_ISCSI)); | 
| } | 
|   | 
| static bool qed_dcbx_fcoe_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee) | 
| { | 
|     bool ethtype; | 
|   | 
|     if (ieee) | 
|         ethtype = qed_dcbx_ieee_app_ethtype(app_info_bitmap); | 
|     else | 
|         ethtype = qed_dcbx_app_ethtype(app_info_bitmap); | 
|   | 
|     return !!(ethtype && (proto_id == QED_ETH_TYPE_FCOE)); | 
| } | 
|   | 
| static bool qed_dcbx_roce_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee) | 
| { | 
|     bool ethtype; | 
|   | 
|     if (ieee) | 
|         ethtype = qed_dcbx_ieee_app_ethtype(app_info_bitmap); | 
|     else | 
|         ethtype = qed_dcbx_app_ethtype(app_info_bitmap); | 
|   | 
|     return !!(ethtype && (proto_id == QED_ETH_TYPE_ROCE)); | 
| } | 
|   | 
| static bool qed_dcbx_roce_v2_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee) | 
| { | 
|     bool port; | 
|   | 
|     if (ieee) | 
|         port = qed_dcbx_ieee_app_port(app_info_bitmap, | 
|                           DCBX_APP_SF_IEEE_UDP_PORT); | 
|     else | 
|         port = qed_dcbx_app_port(app_info_bitmap); | 
|   | 
|     return !!(port && (proto_id == QED_UDP_PORT_TYPE_ROCE_V2)); | 
| } | 
|   | 
| static void | 
| qed_dcbx_dp_protocol(struct qed_hwfn *p_hwfn, struct qed_dcbx_results *p_data) | 
| { | 
|     enum dcbx_protocol_type id; | 
|     int i; | 
|   | 
|     DP_VERBOSE(p_hwfn, QED_MSG_DCB, "DCBX negotiated: %d\n", | 
|            p_data->dcbx_enabled); | 
|   | 
|     for (i = 0; i < ARRAY_SIZE(qed_dcbx_app_update); i++) { | 
|         id = qed_dcbx_app_update[i].id; | 
|   | 
|         DP_VERBOSE(p_hwfn, QED_MSG_DCB, | 
|                "%s info: update %d, enable %d, prio %d, tc %d, num_tc %d\n", | 
|                qed_dcbx_app_update[i].name, p_data->arr[id].update, | 
|                p_data->arr[id].enable, p_data->arr[id].priority, | 
|                p_data->arr[id].tc, p_hwfn->hw_info.num_active_tc); | 
|     } | 
| } | 
|   | 
| static void | 
| qed_dcbx_set_params(struct qed_dcbx_results *p_data, | 
|             struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, | 
|             bool app_tlv, bool enable, u8 prio, u8 tc, | 
|             enum dcbx_protocol_type type, | 
|             enum qed_pci_personality personality) | 
| { | 
|     /* PF update ramrod data */ | 
|     p_data->arr[type].enable = enable; | 
|     p_data->arr[type].priority = prio; | 
|     p_data->arr[type].tc = tc; | 
|     if (enable) | 
|         p_data->arr[type].update = UPDATE_DCB; | 
|     else | 
|         p_data->arr[type].update = DONT_UPDATE_DCB_DSCP; | 
|   | 
|     if (test_bit(QED_MF_DONT_ADD_VLAN0_TAG, &p_hwfn->cdev->mf_bits)) | 
|         p_data->arr[type].dont_add_vlan0 = true; | 
|   | 
|     /* QM reconf data */ | 
|     if (app_tlv && p_hwfn->hw_info.personality == personality) | 
|         qed_hw_info_set_offload_tc(&p_hwfn->hw_info, tc); | 
|   | 
|     /* Configure dcbx vlan priority in doorbell block for roce EDPM */ | 
|     if (test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits) && | 
|         type == DCBX_PROTOCOL_ROCE) { | 
|         qed_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 1); | 
|         qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_PCP_BB_K2, prio << 1); | 
|     } | 
| } | 
|   | 
| /* Update app protocol data and hw_info fields with the TLV info */ | 
| static void | 
| qed_dcbx_update_app_info(struct qed_dcbx_results *p_data, | 
|              struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, | 
|              bool app_tlv, bool enable, u8 prio, u8 tc, | 
|              enum dcbx_protocol_type type) | 
| { | 
|     enum qed_pci_personality personality; | 
|     enum dcbx_protocol_type id; | 
|     int i; | 
|   | 
|     for (i = 0; i < ARRAY_SIZE(qed_dcbx_app_update); i++) { | 
|         id = qed_dcbx_app_update[i].id; | 
|   | 
|         if (type != id) | 
|             continue; | 
|   | 
|         personality = qed_dcbx_app_update[i].personality; | 
|   | 
|         qed_dcbx_set_params(p_data, p_hwfn, p_ptt, app_tlv, enable, | 
|                     prio, tc, type, personality); | 
|     } | 
| } | 
|   | 
| static bool | 
| qed_dcbx_get_app_protocol_type(struct qed_hwfn *p_hwfn, | 
|                    u32 app_prio_bitmap, | 
|                    u16 id, enum dcbx_protocol_type *type, bool ieee) | 
| { | 
|     if (qed_dcbx_fcoe_tlv(app_prio_bitmap, id, ieee)) { | 
|         *type = DCBX_PROTOCOL_FCOE; | 
|     } else if (qed_dcbx_roce_tlv(app_prio_bitmap, id, ieee)) { | 
|         *type = DCBX_PROTOCOL_ROCE; | 
|     } else if (qed_dcbx_iscsi_tlv(app_prio_bitmap, id, ieee)) { | 
|         *type = DCBX_PROTOCOL_ISCSI; | 
|     } else if (qed_dcbx_default_tlv(app_prio_bitmap, id, ieee)) { | 
|         *type = DCBX_PROTOCOL_ETH; | 
|     } else if (qed_dcbx_roce_v2_tlv(app_prio_bitmap, id, ieee)) { | 
|         *type = DCBX_PROTOCOL_ROCE_V2; | 
|     } else { | 
|         *type = DCBX_MAX_PROTOCOL_TYPE; | 
|         DP_VERBOSE(p_hwfn, QED_MSG_DCB, | 
|                "No action required, App TLV entry = 0x%x\n", | 
|                app_prio_bitmap); | 
|         return false; | 
|     } | 
|   | 
|     return true; | 
| } | 
|   | 
| /* Parse app TLV's to update TC information in hw_info structure for | 
|  * reconfiguring QM. Get protocol specific data for PF update ramrod command. | 
|  */ | 
| static int | 
| qed_dcbx_process_tlv(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, | 
|              struct qed_dcbx_results *p_data, | 
|              struct dcbx_app_priority_entry *p_tbl, | 
|              u32 pri_tc_tbl, int count, u8 dcbx_version) | 
| { | 
|     enum dcbx_protocol_type type; | 
|     bool enable, ieee, eth_tlv; | 
|     u8 tc, priority_map; | 
|     u16 protocol_id; | 
|     int priority; | 
|     int i; | 
|   | 
|     DP_VERBOSE(p_hwfn, QED_MSG_DCB, "Num APP entries = %d\n", count); | 
|   | 
|     ieee = (dcbx_version == DCBX_CONFIG_VERSION_IEEE); | 
|     eth_tlv = false; | 
|     /* Parse APP TLV */ | 
|     for (i = 0; i < count; i++) { | 
|         protocol_id = QED_MFW_GET_FIELD(p_tbl[i].entry, | 
|                         DCBX_APP_PROTOCOL_ID); | 
|         priority_map = QED_MFW_GET_FIELD(p_tbl[i].entry, | 
|                          DCBX_APP_PRI_MAP); | 
|         priority = ffs(priority_map) - 1; | 
|         if (priority < 0) { | 
|             DP_ERR(p_hwfn, "Invalid priority\n"); | 
|             return -EINVAL; | 
|         } | 
|   | 
|         tc = QED_DCBX_PRIO2TC(pri_tc_tbl, priority); | 
|         if (qed_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry, | 
|                            protocol_id, &type, ieee)) { | 
|             /* ETH always have the enable bit reset, as it gets | 
|              * vlan information per packet. For other protocols, | 
|              * should be set according to the dcbx_enabled | 
|              * indication, but we only got here if there was an | 
|              * app tlv for the protocol, so dcbx must be enabled. | 
|              */ | 
|             if (type == DCBX_PROTOCOL_ETH) { | 
|                 enable = false; | 
|                 eth_tlv = true; | 
|             } else { | 
|                 enable = true; | 
|             } | 
|   | 
|             qed_dcbx_update_app_info(p_data, p_hwfn, p_ptt, true, | 
|                          enable, priority, tc, type); | 
|         } | 
|     } | 
|   | 
|     /* If Eth TLV is not detected, use UFP TC as default TC */ | 
|     if (test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits) && !eth_tlv) | 
|         p_data->arr[DCBX_PROTOCOL_ETH].tc = p_hwfn->ufp_info.tc; | 
|   | 
|     /* Update ramrod protocol data and hw_info fields | 
|      * with default info when corresponding APP TLV's are not detected. | 
|      * The enabled field has a different logic for ethernet as only for | 
|      * ethernet dcb should disabled by default, as the information arrives | 
|      * from the OS (unless an explicit app tlv was present). | 
|      */ | 
|     tc = p_data->arr[DCBX_PROTOCOL_ETH].tc; | 
|     priority = p_data->arr[DCBX_PROTOCOL_ETH].priority; | 
|     for (type = 0; type < DCBX_MAX_PROTOCOL_TYPE; type++) { | 
|         if (p_data->arr[type].update) | 
|             continue; | 
|   | 
|         enable = (type == DCBX_PROTOCOL_ETH) ? false : !!dcbx_version; | 
|         qed_dcbx_update_app_info(p_data, p_hwfn, p_ptt, false, enable, | 
|                      priority, tc, type); | 
|     } | 
|   | 
|     return 0; | 
| } | 
|   | 
| /* Parse app TLV's to update TC information in hw_info structure for | 
|  * reconfiguring QM. Get protocol specific data for PF update ramrod command. | 
|  */ | 
| static int | 
| qed_dcbx_process_mib_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) | 
| { | 
|     struct dcbx_app_priority_feature *p_app; | 
|     struct dcbx_app_priority_entry *p_tbl; | 
|     struct qed_dcbx_results data = { 0 }; | 
|     struct dcbx_ets_feature *p_ets; | 
|     struct qed_hw_info *p_info; | 
|     u32 pri_tc_tbl, flags; | 
|     u8 dcbx_version; | 
|     int num_entries; | 
|     int rc = 0; | 
|   | 
|     flags = p_hwfn->p_dcbx_info->operational.flags; | 
|     dcbx_version = QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION); | 
|   | 
|     p_app = &p_hwfn->p_dcbx_info->operational.features.app; | 
|     p_tbl = p_app->app_pri_tbl; | 
|   | 
|     p_ets = &p_hwfn->p_dcbx_info->operational.features.ets; | 
|     pri_tc_tbl = p_ets->pri_tc_tbl[0]; | 
|   | 
|     p_info = &p_hwfn->hw_info; | 
|     num_entries = QED_MFW_GET_FIELD(p_app->flags, DCBX_APP_NUM_ENTRIES); | 
|   | 
|     rc = qed_dcbx_process_tlv(p_hwfn, p_ptt, &data, p_tbl, pri_tc_tbl, | 
|                   num_entries, dcbx_version); | 
|     if (rc) | 
|         return rc; | 
|   | 
|     p_info->num_active_tc = QED_MFW_GET_FIELD(p_ets->flags, | 
|                           DCBX_ETS_MAX_TCS); | 
|     p_hwfn->qm_info.ooo_tc = QED_MFW_GET_FIELD(p_ets->flags, DCBX_OOO_TC); | 
|     data.pf_id = p_hwfn->rel_pf_id; | 
|     data.dcbx_enabled = !!dcbx_version; | 
|   | 
|     qed_dcbx_dp_protocol(p_hwfn, &data); | 
|   | 
|     memcpy(&p_hwfn->p_dcbx_info->results, &data, | 
|            sizeof(struct qed_dcbx_results)); | 
|   | 
|     return 0; | 
| } | 
|   | 
| static int | 
| qed_dcbx_copy_mib(struct qed_hwfn *p_hwfn, | 
|           struct qed_ptt *p_ptt, | 
|           struct qed_dcbx_mib_meta_data *p_data, | 
|           enum qed_mib_read_type type) | 
| { | 
|     u32 prefix_seq_num, suffix_seq_num; | 
|     int read_count = 0; | 
|     int rc = 0; | 
|   | 
|     /* The data is considered to be valid only if both sequence numbers are | 
|      * the same. | 
|      */ | 
|     do { | 
|         if (type == QED_DCBX_REMOTE_LLDP_MIB) { | 
|             qed_memcpy_from(p_hwfn, p_ptt, p_data->lldp_remote, | 
|                     p_data->addr, p_data->size); | 
|             prefix_seq_num = p_data->lldp_remote->prefix_seq_num; | 
|             suffix_seq_num = p_data->lldp_remote->suffix_seq_num; | 
|         } else { | 
|             qed_memcpy_from(p_hwfn, p_ptt, p_data->mib, | 
|                     p_data->addr, p_data->size); | 
|             prefix_seq_num = p_data->mib->prefix_seq_num; | 
|             suffix_seq_num = p_data->mib->suffix_seq_num; | 
|         } | 
|         read_count++; | 
|   | 
|         DP_VERBOSE(p_hwfn, | 
|                QED_MSG_DCB, | 
|                "mib type = %d, try count = %d prefix seq num  = %d suffix seq num = %d\n", | 
|                type, read_count, prefix_seq_num, suffix_seq_num); | 
|     } while ((prefix_seq_num != suffix_seq_num) && | 
|          (read_count < QED_DCBX_MAX_MIB_READ_TRY)); | 
|   | 
|     if (read_count >= QED_DCBX_MAX_MIB_READ_TRY) { | 
|         DP_ERR(p_hwfn, | 
|                "MIB read err, mib type = %d, try count = %d prefix seq num = %d suffix seq num = %d\n", | 
|                type, read_count, prefix_seq_num, suffix_seq_num); | 
|         rc = -EIO; | 
|     } | 
|   | 
|     return rc; | 
| } | 
|   | 
| static void | 
| qed_dcbx_get_priority_info(struct qed_hwfn *p_hwfn, | 
|                struct qed_dcbx_app_prio *p_prio, | 
|                struct qed_dcbx_results *p_results) | 
| { | 
|     u8 val; | 
|   | 
|     p_prio->roce = QED_DCBX_INVALID_PRIORITY; | 
|     p_prio->roce_v2 = QED_DCBX_INVALID_PRIORITY; | 
|     p_prio->iscsi = QED_DCBX_INVALID_PRIORITY; | 
|     p_prio->fcoe = QED_DCBX_INVALID_PRIORITY; | 
|   | 
|     if (p_results->arr[DCBX_PROTOCOL_ROCE].update && | 
|         p_results->arr[DCBX_PROTOCOL_ROCE].enable) | 
|         p_prio->roce = p_results->arr[DCBX_PROTOCOL_ROCE].priority; | 
|   | 
|     if (p_results->arr[DCBX_PROTOCOL_ROCE_V2].update && | 
|         p_results->arr[DCBX_PROTOCOL_ROCE_V2].enable) { | 
|         val = p_results->arr[DCBX_PROTOCOL_ROCE_V2].priority; | 
|         p_prio->roce_v2 = val; | 
|     } | 
|   | 
|     if (p_results->arr[DCBX_PROTOCOL_ISCSI].update && | 
|         p_results->arr[DCBX_PROTOCOL_ISCSI].enable) | 
|         p_prio->iscsi = p_results->arr[DCBX_PROTOCOL_ISCSI].priority; | 
|   | 
|     if (p_results->arr[DCBX_PROTOCOL_FCOE].update && | 
|         p_results->arr[DCBX_PROTOCOL_FCOE].enable) | 
|         p_prio->fcoe = p_results->arr[DCBX_PROTOCOL_FCOE].priority; | 
|   | 
|     if (p_results->arr[DCBX_PROTOCOL_ETH].update && | 
|         p_results->arr[DCBX_PROTOCOL_ETH].enable) | 
|         p_prio->eth = p_results->arr[DCBX_PROTOCOL_ETH].priority; | 
|   | 
|     DP_VERBOSE(p_hwfn, QED_MSG_DCB, | 
|            "Priorities: iscsi %d, roce %d, roce v2 %d, fcoe %d, eth %d\n", | 
|            p_prio->iscsi, p_prio->roce, p_prio->roce_v2, p_prio->fcoe, | 
|            p_prio->eth); | 
| } | 
|   | 
| static void | 
| qed_dcbx_get_app_data(struct qed_hwfn *p_hwfn, | 
|               struct dcbx_app_priority_feature *p_app, | 
|               struct dcbx_app_priority_entry *p_tbl, | 
|               struct qed_dcbx_params *p_params, bool ieee) | 
| { | 
|     struct qed_app_entry *entry; | 
|     u8 pri_map; | 
|     int i; | 
|   | 
|     p_params->app_willing = QED_MFW_GET_FIELD(p_app->flags, | 
|                           DCBX_APP_WILLING); | 
|     p_params->app_valid = QED_MFW_GET_FIELD(p_app->flags, DCBX_APP_ENABLED); | 
|     p_params->app_error = QED_MFW_GET_FIELD(p_app->flags, DCBX_APP_ERROR); | 
|     p_params->num_app_entries = QED_MFW_GET_FIELD(p_app->flags, | 
|                               DCBX_APP_NUM_ENTRIES); | 
|     for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) { | 
|         entry = &p_params->app_entry[i]; | 
|         if (ieee) { | 
|             u8 sf_ieee; | 
|             u32 val; | 
|   | 
|             sf_ieee = QED_MFW_GET_FIELD(p_tbl[i].entry, | 
|                             DCBX_APP_SF_IEEE); | 
|             switch (sf_ieee) { | 
|             case DCBX_APP_SF_IEEE_RESERVED: | 
|                 /* Old MFW */ | 
|                 val = QED_MFW_GET_FIELD(p_tbl[i].entry, | 
|                             DCBX_APP_SF); | 
|                 entry->sf_ieee = val ? | 
|                     QED_DCBX_SF_IEEE_TCP_UDP_PORT : | 
|                     QED_DCBX_SF_IEEE_ETHTYPE; | 
|                 break; | 
|             case DCBX_APP_SF_IEEE_ETHTYPE: | 
|                 entry->sf_ieee = QED_DCBX_SF_IEEE_ETHTYPE; | 
|                 break; | 
|             case DCBX_APP_SF_IEEE_TCP_PORT: | 
|                 entry->sf_ieee = QED_DCBX_SF_IEEE_TCP_PORT; | 
|                 break; | 
|             case DCBX_APP_SF_IEEE_UDP_PORT: | 
|                 entry->sf_ieee = QED_DCBX_SF_IEEE_UDP_PORT; | 
|                 break; | 
|             case DCBX_APP_SF_IEEE_TCP_UDP_PORT: | 
|                 entry->sf_ieee = QED_DCBX_SF_IEEE_TCP_UDP_PORT; | 
|                 break; | 
|             } | 
|         } else { | 
|             entry->ethtype = !(QED_MFW_GET_FIELD(p_tbl[i].entry, | 
|                                  DCBX_APP_SF)); | 
|         } | 
|   | 
|         pri_map = QED_MFW_GET_FIELD(p_tbl[i].entry, DCBX_APP_PRI_MAP); | 
|         entry->prio = ffs(pri_map) - 1; | 
|         entry->proto_id = QED_MFW_GET_FIELD(p_tbl[i].entry, | 
|                             DCBX_APP_PROTOCOL_ID); | 
|         qed_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry, | 
|                            entry->proto_id, | 
|                            &entry->proto_type, ieee); | 
|     } | 
|   | 
|     DP_VERBOSE(p_hwfn, QED_MSG_DCB, | 
|            "APP params: willing %d, valid %d error = %d\n", | 
|            p_params->app_willing, p_params->app_valid, | 
|            p_params->app_error); | 
| } | 
|   | 
| static void | 
| qed_dcbx_get_pfc_data(struct qed_hwfn *p_hwfn, | 
|               u32 pfc, struct qed_dcbx_params *p_params) | 
| { | 
|     u8 pfc_map; | 
|   | 
|     p_params->pfc.willing = QED_MFW_GET_FIELD(pfc, DCBX_PFC_WILLING); | 
|     p_params->pfc.max_tc = QED_MFW_GET_FIELD(pfc, DCBX_PFC_CAPS); | 
|     p_params->pfc.enabled = QED_MFW_GET_FIELD(pfc, DCBX_PFC_ENABLED); | 
|     pfc_map = QED_MFW_GET_FIELD(pfc, DCBX_PFC_PRI_EN_BITMAP); | 
|     p_params->pfc.prio[0] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_0); | 
|     p_params->pfc.prio[1] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_1); | 
|     p_params->pfc.prio[2] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_2); | 
|     p_params->pfc.prio[3] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_3); | 
|     p_params->pfc.prio[4] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_4); | 
|     p_params->pfc.prio[5] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_5); | 
|     p_params->pfc.prio[6] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_6); | 
|     p_params->pfc.prio[7] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_7); | 
|   | 
|     DP_VERBOSE(p_hwfn, QED_MSG_DCB, | 
|            "PFC params: willing %d, pfc_bitmap %u max_tc = %u enabled = %d\n", | 
|            p_params->pfc.willing, pfc_map, p_params->pfc.max_tc, | 
|            p_params->pfc.enabled); | 
| } | 
|   | 
| static void | 
| qed_dcbx_get_ets_data(struct qed_hwfn *p_hwfn, | 
|               struct dcbx_ets_feature *p_ets, | 
|               struct qed_dcbx_params *p_params) | 
| { | 
|     __be32 bw_map[2], tsa_map[2]; | 
|     u32 pri_map; | 
|     int i; | 
|   | 
|     p_params->ets_willing = QED_MFW_GET_FIELD(p_ets->flags, | 
|                           DCBX_ETS_WILLING); | 
|     p_params->ets_enabled = QED_MFW_GET_FIELD(p_ets->flags, | 
|                           DCBX_ETS_ENABLED); | 
|     p_params->ets_cbs = QED_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_CBS); | 
|     p_params->max_ets_tc = QED_MFW_GET_FIELD(p_ets->flags, | 
|                          DCBX_ETS_MAX_TCS); | 
|     DP_VERBOSE(p_hwfn, QED_MSG_DCB, | 
|            "ETS params: willing %d, enabled = %d ets_cbs %d pri_tc_tbl_0 %x max_ets_tc %d\n", | 
|            p_params->ets_willing, p_params->ets_enabled, | 
|            p_params->ets_cbs, p_ets->pri_tc_tbl[0], | 
|            p_params->max_ets_tc); | 
|   | 
|     if (p_params->ets_enabled && !p_params->max_ets_tc) { | 
|         p_params->max_ets_tc = QED_MAX_PFC_PRIORITIES; | 
|         DP_VERBOSE(p_hwfn, QED_MSG_DCB, | 
|                "ETS params: max_ets_tc is forced to %d\n", | 
|         p_params->max_ets_tc); | 
|     } | 
|   | 
|     /* 8 bit tsa and bw data corresponding to each of the 8 TC's are | 
|      * encoded in a type u32 array of size 2. | 
|      */ | 
|     cpu_to_be32_array(bw_map, p_ets->tc_bw_tbl, 2); | 
|     cpu_to_be32_array(tsa_map, p_ets->tc_tsa_tbl, 2); | 
|     pri_map = p_ets->pri_tc_tbl[0]; | 
|   | 
|     for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) { | 
|         p_params->ets_tc_bw_tbl[i] = ((u8 *)bw_map)[i]; | 
|         p_params->ets_tc_tsa_tbl[i] = ((u8 *)tsa_map)[i]; | 
|         p_params->ets_pri_tc_tbl[i] = QED_DCBX_PRIO2TC(pri_map, i); | 
|         DP_VERBOSE(p_hwfn, QED_MSG_DCB, | 
|                "elem %d  bw_tbl %x tsa_tbl %x\n", | 
|                i, p_params->ets_tc_bw_tbl[i], | 
|                p_params->ets_tc_tsa_tbl[i]); | 
|     } | 
| } | 
|   | 
| static void | 
| qed_dcbx_get_common_params(struct qed_hwfn *p_hwfn, | 
|                struct dcbx_app_priority_feature *p_app, | 
|                struct dcbx_app_priority_entry *p_tbl, | 
|                struct dcbx_ets_feature *p_ets, | 
|                u32 pfc, struct qed_dcbx_params *p_params, bool ieee) | 
| { | 
|     qed_dcbx_get_app_data(p_hwfn, p_app, p_tbl, p_params, ieee); | 
|     qed_dcbx_get_ets_data(p_hwfn, p_ets, p_params); | 
|     qed_dcbx_get_pfc_data(p_hwfn, pfc, p_params); | 
| } | 
|   | 
| static void | 
| qed_dcbx_get_local_params(struct qed_hwfn *p_hwfn, struct qed_dcbx_get *params) | 
| { | 
|     struct dcbx_features *p_feat; | 
|   | 
|     p_feat = &p_hwfn->p_dcbx_info->local_admin.features; | 
|     qed_dcbx_get_common_params(p_hwfn, &p_feat->app, | 
|                    p_feat->app.app_pri_tbl, &p_feat->ets, | 
|                    p_feat->pfc, ¶ms->local.params, false); | 
|     params->local.valid = true; | 
| } | 
|   | 
| static void | 
| qed_dcbx_get_remote_params(struct qed_hwfn *p_hwfn, struct qed_dcbx_get *params) | 
| { | 
|     struct dcbx_features *p_feat; | 
|   | 
|     p_feat = &p_hwfn->p_dcbx_info->remote.features; | 
|     qed_dcbx_get_common_params(p_hwfn, &p_feat->app, | 
|                    p_feat->app.app_pri_tbl, &p_feat->ets, | 
|                    p_feat->pfc, ¶ms->remote.params, false); | 
|     params->remote.valid = true; | 
| } | 
|   | 
| static void | 
| qed_dcbx_get_operational_params(struct qed_hwfn *p_hwfn, | 
|                 struct qed_dcbx_get *params) | 
| { | 
|     struct qed_dcbx_operational_params *p_operational; | 
|     struct qed_dcbx_results *p_results; | 
|     struct dcbx_features *p_feat; | 
|     bool enabled, err; | 
|     u32 flags; | 
|     bool val; | 
|   | 
|     flags = p_hwfn->p_dcbx_info->operational.flags; | 
|   | 
|     /* If DCBx version is non zero, then negotiation | 
|      * was successfuly performed | 
|      */ | 
|     p_operational = ¶ms->operational; | 
|     enabled = !!(QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) != | 
|              DCBX_CONFIG_VERSION_DISABLED); | 
|     if (!enabled) { | 
|         p_operational->enabled = enabled; | 
|         p_operational->valid = false; | 
|         DP_VERBOSE(p_hwfn, QED_MSG_DCB, "Dcbx is disabled\n"); | 
|         return; | 
|     } | 
|   | 
|     p_feat = &p_hwfn->p_dcbx_info->operational.features; | 
|     p_results = &p_hwfn->p_dcbx_info->results; | 
|   | 
|     val = !!(QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) == | 
|          DCBX_CONFIG_VERSION_IEEE); | 
|     p_operational->ieee = val; | 
|     val = !!(QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) == | 
|          DCBX_CONFIG_VERSION_CEE); | 
|     p_operational->cee = val; | 
|   | 
|     val = !!(QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) == | 
|          DCBX_CONFIG_VERSION_STATIC); | 
|     p_operational->local = val; | 
|   | 
|     DP_VERBOSE(p_hwfn, QED_MSG_DCB, | 
|            "Version support: ieee %d, cee %d, static %d\n", | 
|            p_operational->ieee, p_operational->cee, | 
|            p_operational->local); | 
|   | 
|     qed_dcbx_get_common_params(p_hwfn, &p_feat->app, | 
|                    p_feat->app.app_pri_tbl, &p_feat->ets, | 
|                    p_feat->pfc, ¶ms->operational.params, | 
|                    p_operational->ieee); | 
|     qed_dcbx_get_priority_info(p_hwfn, &p_operational->app_prio, p_results); | 
|     err = QED_MFW_GET_FIELD(p_feat->app.flags, DCBX_APP_ERROR); | 
|     p_operational->err = err; | 
|     p_operational->enabled = enabled; | 
|     p_operational->valid = true; | 
| } | 
|   | 
| static void | 
| qed_dcbx_get_local_lldp_params(struct qed_hwfn *p_hwfn, | 
|                    struct qed_dcbx_get *params) | 
| { | 
|     struct lldp_config_params_s *p_local; | 
|   | 
|     p_local = &p_hwfn->p_dcbx_info->lldp_local[LLDP_NEAREST_BRIDGE]; | 
|   | 
|     memcpy(params->lldp_local.local_chassis_id, p_local->local_chassis_id, | 
|            sizeof(p_local->local_chassis_id)); | 
|     memcpy(params->lldp_local.local_port_id, p_local->local_port_id, | 
|            sizeof(p_local->local_port_id)); | 
| } | 
|   | 
| static void | 
| qed_dcbx_get_remote_lldp_params(struct qed_hwfn *p_hwfn, | 
|                 struct qed_dcbx_get *params) | 
| { | 
|     struct lldp_status_params_s *p_remote; | 
|   | 
|     p_remote = &p_hwfn->p_dcbx_info->lldp_remote[LLDP_NEAREST_BRIDGE]; | 
|   | 
|     memcpy(params->lldp_remote.peer_chassis_id, p_remote->peer_chassis_id, | 
|            sizeof(p_remote->peer_chassis_id)); | 
|     memcpy(params->lldp_remote.peer_port_id, p_remote->peer_port_id, | 
|            sizeof(p_remote->peer_port_id)); | 
| } | 
|   | 
| static int | 
| qed_dcbx_get_params(struct qed_hwfn *p_hwfn, struct qed_dcbx_get *p_params, | 
|             enum qed_mib_read_type type) | 
| { | 
|     switch (type) { | 
|     case QED_DCBX_REMOTE_MIB: | 
|         qed_dcbx_get_remote_params(p_hwfn, p_params); | 
|         break; | 
|     case QED_DCBX_LOCAL_MIB: | 
|         qed_dcbx_get_local_params(p_hwfn, p_params); | 
|         break; | 
|     case QED_DCBX_OPERATIONAL_MIB: | 
|         qed_dcbx_get_operational_params(p_hwfn, p_params); | 
|         break; | 
|     case QED_DCBX_REMOTE_LLDP_MIB: | 
|         qed_dcbx_get_remote_lldp_params(p_hwfn, p_params); | 
|         break; | 
|     case QED_DCBX_LOCAL_LLDP_MIB: | 
|         qed_dcbx_get_local_lldp_params(p_hwfn, p_params); | 
|         break; | 
|     default: | 
|         DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type); | 
|         return -EINVAL; | 
|     } | 
|   | 
|     return 0; | 
| } | 
|   | 
| static int | 
| qed_dcbx_read_local_lldp_mib(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) | 
| { | 
|     struct qed_dcbx_mib_meta_data data; | 
|     int rc = 0; | 
|   | 
|     memset(&data, 0, sizeof(data)); | 
|     data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port, | 
|                                lldp_config_params); | 
|     data.lldp_local = p_hwfn->p_dcbx_info->lldp_local; | 
|     data.size = sizeof(struct lldp_config_params_s); | 
|     qed_memcpy_from(p_hwfn, p_ptt, data.lldp_local, data.addr, data.size); | 
|   | 
|     return rc; | 
| } | 
|   | 
| static int | 
| qed_dcbx_read_remote_lldp_mib(struct qed_hwfn *p_hwfn, | 
|                   struct qed_ptt *p_ptt, | 
|                   enum qed_mib_read_type type) | 
| { | 
|     struct qed_dcbx_mib_meta_data data; | 
|     int rc = 0; | 
|   | 
|     memset(&data, 0, sizeof(data)); | 
|     data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port, | 
|                                lldp_status_params); | 
|     data.lldp_remote = p_hwfn->p_dcbx_info->lldp_remote; | 
|     data.size = sizeof(struct lldp_status_params_s); | 
|     rc = qed_dcbx_copy_mib(p_hwfn, p_ptt, &data, type); | 
|   | 
|     return rc; | 
| } | 
|   | 
| static int | 
| qed_dcbx_read_operational_mib(struct qed_hwfn *p_hwfn, | 
|                   struct qed_ptt *p_ptt, | 
|                   enum qed_mib_read_type type) | 
| { | 
|     struct qed_dcbx_mib_meta_data data; | 
|     int rc = 0; | 
|   | 
|     memset(&data, 0, sizeof(data)); | 
|     data.addr = p_hwfn->mcp_info->port_addr + | 
|             offsetof(struct public_port, operational_dcbx_mib); | 
|     data.mib = &p_hwfn->p_dcbx_info->operational; | 
|     data.size = sizeof(struct dcbx_mib); | 
|     rc = qed_dcbx_copy_mib(p_hwfn, p_ptt, &data, type); | 
|   | 
|     return rc; | 
| } | 
|   | 
| static int | 
| qed_dcbx_read_remote_mib(struct qed_hwfn *p_hwfn, | 
|              struct qed_ptt *p_ptt, enum qed_mib_read_type type) | 
| { | 
|     struct qed_dcbx_mib_meta_data data; | 
|     int rc = 0; | 
|   | 
|     memset(&data, 0, sizeof(data)); | 
|     data.addr = p_hwfn->mcp_info->port_addr + | 
|             offsetof(struct public_port, remote_dcbx_mib); | 
|     data.mib = &p_hwfn->p_dcbx_info->remote; | 
|     data.size = sizeof(struct dcbx_mib); | 
|     rc = qed_dcbx_copy_mib(p_hwfn, p_ptt, &data, type); | 
|   | 
|     return rc; | 
| } | 
|   | 
| static int | 
| qed_dcbx_read_local_mib(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) | 
| { | 
|     struct qed_dcbx_mib_meta_data data; | 
|     int rc = 0; | 
|   | 
|     memset(&data, 0, sizeof(data)); | 
|     data.addr = p_hwfn->mcp_info->port_addr + | 
|             offsetof(struct public_port, local_admin_dcbx_mib); | 
|     data.local_admin = &p_hwfn->p_dcbx_info->local_admin; | 
|     data.size = sizeof(struct dcbx_local_params); | 
|     qed_memcpy_from(p_hwfn, p_ptt, data.local_admin, data.addr, data.size); | 
|   | 
|     return rc; | 
| } | 
|   | 
| static int qed_dcbx_read_mib(struct qed_hwfn *p_hwfn, | 
|                  struct qed_ptt *p_ptt, enum qed_mib_read_type type) | 
| { | 
|     int rc = -EINVAL; | 
|   | 
|     switch (type) { | 
|     case QED_DCBX_OPERATIONAL_MIB: | 
|         rc = qed_dcbx_read_operational_mib(p_hwfn, p_ptt, type); | 
|         break; | 
|     case QED_DCBX_REMOTE_MIB: | 
|         rc = qed_dcbx_read_remote_mib(p_hwfn, p_ptt, type); | 
|         break; | 
|     case QED_DCBX_LOCAL_MIB: | 
|         rc = qed_dcbx_read_local_mib(p_hwfn, p_ptt); | 
|         break; | 
|     case QED_DCBX_REMOTE_LLDP_MIB: | 
|         rc = qed_dcbx_read_remote_lldp_mib(p_hwfn, p_ptt, type); | 
|         break; | 
|     case QED_DCBX_LOCAL_LLDP_MIB: | 
|         rc = qed_dcbx_read_local_lldp_mib(p_hwfn, p_ptt); | 
|         break; | 
|     default: | 
|         DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type); | 
|     } | 
|   | 
|     return rc; | 
| } | 
|   | 
| static void qed_dcbx_aen(struct qed_hwfn *hwfn, u32 mib_type) | 
| { | 
|     struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common; | 
|     void *cookie = hwfn->cdev->ops_cookie; | 
|   | 
|     if (cookie && op->dcbx_aen) | 
|         op->dcbx_aen(cookie, &hwfn->p_dcbx_info->get, mib_type); | 
| } | 
|   | 
| /* Read updated MIB. | 
|  * Reconfigure QM and invoke PF update ramrod command if operational MIB | 
|  * change is detected. | 
|  */ | 
| int | 
| qed_dcbx_mib_update_event(struct qed_hwfn *p_hwfn, | 
|               struct qed_ptt *p_ptt, enum qed_mib_read_type type) | 
| { | 
|     int rc = 0; | 
|   | 
|     rc = qed_dcbx_read_mib(p_hwfn, p_ptt, type); | 
|     if (rc) | 
|         return rc; | 
|   | 
|     if (type == QED_DCBX_OPERATIONAL_MIB) { | 
|         rc = qed_dcbx_process_mib_info(p_hwfn, p_ptt); | 
|         if (!rc) { | 
|             /* reconfigure tcs of QM queues according | 
|              * to negotiation results | 
|              */ | 
|             qed_qm_reconf(p_hwfn, p_ptt); | 
|   | 
|             /* update storm FW with negotiation results */ | 
|             qed_sp_pf_update(p_hwfn); | 
|   | 
|             /* for roce PFs, we may want to enable/disable DPM | 
|              * when DCBx change occurs | 
|              */ | 
|             if (p_hwfn->hw_info.personality == | 
|                 QED_PCI_ETH_ROCE) | 
|                 qed_roce_dpm_dcbx(p_hwfn, p_ptt); | 
|         } | 
|     } | 
|   | 
|     qed_dcbx_get_params(p_hwfn, &p_hwfn->p_dcbx_info->get, type); | 
|   | 
|     if (type == QED_DCBX_OPERATIONAL_MIB) { | 
|         struct qed_dcbx_results *p_data; | 
|         u16 val; | 
|   | 
|         /* Configure in NIG which protocols support EDPM and should | 
|          * honor PFC. | 
|          */ | 
|         p_data = &p_hwfn->p_dcbx_info->results; | 
|         val = (0x1 << p_data->arr[DCBX_PROTOCOL_ROCE].tc) | | 
|               (0x1 << p_data->arr[DCBX_PROTOCOL_ROCE_V2].tc); | 
|         val <<= NIG_REG_TX_EDPM_CTRL_TX_EDPM_TC_EN_SHIFT; | 
|         val |= NIG_REG_TX_EDPM_CTRL_TX_EDPM_EN; | 
|         qed_wr(p_hwfn, p_ptt, NIG_REG_TX_EDPM_CTRL, val); | 
|     } | 
|   | 
|     qed_dcbx_aen(p_hwfn, type); | 
|   | 
|     return rc; | 
| } | 
|   | 
| int qed_dcbx_info_alloc(struct qed_hwfn *p_hwfn) | 
| { | 
|     p_hwfn->p_dcbx_info = kzalloc(sizeof(*p_hwfn->p_dcbx_info), GFP_KERNEL); | 
|     if (!p_hwfn->p_dcbx_info) | 
|         return -ENOMEM; | 
|   | 
|     return 0; | 
| } | 
|   | 
| void qed_dcbx_info_free(struct qed_hwfn *p_hwfn) | 
| { | 
|     kfree(p_hwfn->p_dcbx_info); | 
|     p_hwfn->p_dcbx_info = NULL; | 
| } | 
|   | 
| static void qed_dcbx_update_protocol_data(struct protocol_dcb_data *p_data, | 
|                       struct qed_dcbx_results *p_src, | 
|                       enum dcbx_protocol_type type) | 
| { | 
|     p_data->dcb_enable_flag = p_src->arr[type].enable; | 
|     p_data->dcb_priority = p_src->arr[type].priority; | 
|     p_data->dcb_tc = p_src->arr[type].tc; | 
|     p_data->dcb_dont_add_vlan0 = p_src->arr[type].dont_add_vlan0; | 
| } | 
|   | 
| /* Set pf update ramrod command params */ | 
| void qed_dcbx_set_pf_update_params(struct qed_dcbx_results *p_src, | 
|                    struct pf_update_ramrod_data *p_dest) | 
| { | 
|     struct protocol_dcb_data *p_dcb_data; | 
|     u8 update_flag; | 
|   | 
|     update_flag = p_src->arr[DCBX_PROTOCOL_FCOE].update; | 
|     p_dest->update_fcoe_dcb_data_mode = update_flag; | 
|   | 
|     update_flag = p_src->arr[DCBX_PROTOCOL_ROCE].update; | 
|     p_dest->update_roce_dcb_data_mode = update_flag; | 
|   | 
|     update_flag = p_src->arr[DCBX_PROTOCOL_ROCE_V2].update; | 
|     p_dest->update_rroce_dcb_data_mode = update_flag; | 
|   | 
|     update_flag = p_src->arr[DCBX_PROTOCOL_ISCSI].update; | 
|     p_dest->update_iscsi_dcb_data_mode = update_flag; | 
|     update_flag = p_src->arr[DCBX_PROTOCOL_ETH].update; | 
|     p_dest->update_eth_dcb_data_mode = update_flag; | 
|   | 
|     p_dcb_data = &p_dest->fcoe_dcb_data; | 
|     qed_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_FCOE); | 
|     p_dcb_data = &p_dest->roce_dcb_data; | 
|     qed_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ROCE); | 
|     p_dcb_data = &p_dest->rroce_dcb_data; | 
|     qed_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ROCE_V2); | 
|     p_dcb_data = &p_dest->iscsi_dcb_data; | 
|     qed_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ISCSI); | 
|     p_dcb_data = &p_dest->eth_dcb_data; | 
|     qed_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ETH); | 
| } | 
|   | 
| u8 qed_dcbx_get_priority_tc(struct qed_hwfn *p_hwfn, u8 pri) | 
| { | 
|     struct qed_dcbx_get *dcbx_info = &p_hwfn->p_dcbx_info->get; | 
|   | 
|     if (pri >= QED_MAX_PFC_PRIORITIES) { | 
|         DP_ERR(p_hwfn, "Invalid priority %d\n", pri); | 
|         return QED_DCBX_DEFAULT_TC; | 
|     } | 
|   | 
|     if (!dcbx_info->operational.valid) { | 
|         DP_VERBOSE(p_hwfn, QED_MSG_DCB, | 
|                "Dcbx parameters not available\n"); | 
|         return QED_DCBX_DEFAULT_TC; | 
|     } | 
|   | 
|     return dcbx_info->operational.params.ets_pri_tc_tbl[pri]; | 
| } | 
|   | 
| #ifdef CONFIG_DCB | 
| static int qed_dcbx_query_params(struct qed_hwfn *p_hwfn, | 
|                  struct qed_dcbx_get *p_get, | 
|                  enum qed_mib_read_type type) | 
| { | 
|     struct qed_ptt *p_ptt; | 
|     int rc; | 
|   | 
|     if (IS_VF(p_hwfn->cdev)) | 
|         return -EINVAL; | 
|   | 
|     p_ptt = qed_ptt_acquire(p_hwfn); | 
|     if (!p_ptt) | 
|         return -EBUSY; | 
|   | 
|     rc = qed_dcbx_read_mib(p_hwfn, p_ptt, type); | 
|     if (rc) | 
|         goto out; | 
|   | 
|     rc = qed_dcbx_get_params(p_hwfn, p_get, type); | 
|   | 
| out: | 
|     qed_ptt_release(p_hwfn, p_ptt); | 
|     return rc; | 
| } | 
|   | 
| static void | 
| qed_dcbx_set_pfc_data(struct qed_hwfn *p_hwfn, | 
|               u32 *pfc, struct qed_dcbx_params *p_params) | 
| { | 
|     u8 pfc_map = 0; | 
|     int i; | 
|   | 
|     *pfc &= ~DCBX_PFC_ERROR_MASK; | 
|   | 
|     if (p_params->pfc.willing) | 
|         *pfc |= DCBX_PFC_WILLING_MASK; | 
|     else | 
|         *pfc &= ~DCBX_PFC_WILLING_MASK; | 
|   | 
|     if (p_params->pfc.enabled) | 
|         *pfc |= DCBX_PFC_ENABLED_MASK; | 
|     else | 
|         *pfc &= ~DCBX_PFC_ENABLED_MASK; | 
|   | 
|     *pfc &= ~DCBX_PFC_CAPS_MASK; | 
|     *pfc |= (u32)p_params->pfc.max_tc << DCBX_PFC_CAPS_SHIFT; | 
|   | 
|     for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) | 
|         if (p_params->pfc.prio[i]) | 
|             pfc_map |= BIT(i); | 
|   | 
|     *pfc &= ~DCBX_PFC_PRI_EN_BITMAP_MASK; | 
|     *pfc |= (pfc_map << DCBX_PFC_PRI_EN_BITMAP_SHIFT); | 
|   | 
|     DP_VERBOSE(p_hwfn, QED_MSG_DCB, "pfc = 0x%x\n", *pfc); | 
| } | 
|   | 
| static void | 
| qed_dcbx_set_ets_data(struct qed_hwfn *p_hwfn, | 
|               struct dcbx_ets_feature *p_ets, | 
|               struct qed_dcbx_params *p_params) | 
| { | 
|     __be32 bw_map[2], tsa_map[2]; | 
|     u32 val; | 
|     int i; | 
|   | 
|     if (p_params->ets_willing) | 
|         p_ets->flags |= DCBX_ETS_WILLING_MASK; | 
|     else | 
|         p_ets->flags &= ~DCBX_ETS_WILLING_MASK; | 
|   | 
|     if (p_params->ets_cbs) | 
|         p_ets->flags |= DCBX_ETS_CBS_MASK; | 
|     else | 
|         p_ets->flags &= ~DCBX_ETS_CBS_MASK; | 
|   | 
|     if (p_params->ets_enabled) | 
|         p_ets->flags |= DCBX_ETS_ENABLED_MASK; | 
|     else | 
|         p_ets->flags &= ~DCBX_ETS_ENABLED_MASK; | 
|   | 
|     p_ets->flags &= ~DCBX_ETS_MAX_TCS_MASK; | 
|     p_ets->flags |= (u32)p_params->max_ets_tc << DCBX_ETS_MAX_TCS_SHIFT; | 
|   | 
|     p_ets->pri_tc_tbl[0] = 0; | 
|   | 
|     for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) { | 
|         ((u8 *)bw_map)[i] = p_params->ets_tc_bw_tbl[i]; | 
|         ((u8 *)tsa_map)[i] = p_params->ets_tc_tsa_tbl[i]; | 
|   | 
|         /* Copy the priority value to the corresponding 4 bits in the | 
|          * traffic class table. | 
|          */ | 
|         val = (((u32)p_params->ets_pri_tc_tbl[i]) << ((7 - i) * 4)); | 
|         p_ets->pri_tc_tbl[0] |= val; | 
|     } | 
|   | 
|     be32_to_cpu_array(p_ets->tc_bw_tbl, bw_map, 2); | 
|     be32_to_cpu_array(p_ets->tc_tsa_tbl, tsa_map, 2); | 
| } | 
|   | 
| static void | 
| qed_dcbx_set_app_data(struct qed_hwfn *p_hwfn, | 
|               struct dcbx_app_priority_feature *p_app, | 
|               struct qed_dcbx_params *p_params, bool ieee) | 
| { | 
|     u32 *entry; | 
|     int i; | 
|   | 
|     if (p_params->app_willing) | 
|         p_app->flags |= DCBX_APP_WILLING_MASK; | 
|     else | 
|         p_app->flags &= ~DCBX_APP_WILLING_MASK; | 
|   | 
|     if (p_params->app_valid) | 
|         p_app->flags |= DCBX_APP_ENABLED_MASK; | 
|     else | 
|         p_app->flags &= ~DCBX_APP_ENABLED_MASK; | 
|   | 
|     p_app->flags &= ~DCBX_APP_NUM_ENTRIES_MASK; | 
|     p_app->flags |= (u32)p_params->num_app_entries << | 
|         DCBX_APP_NUM_ENTRIES_SHIFT; | 
|   | 
|     for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) { | 
|         entry = &p_app->app_pri_tbl[i].entry; | 
|         *entry = 0; | 
|         if (ieee) { | 
|             *entry &= ~(DCBX_APP_SF_IEEE_MASK | DCBX_APP_SF_MASK); | 
|             switch (p_params->app_entry[i].sf_ieee) { | 
|             case QED_DCBX_SF_IEEE_ETHTYPE: | 
|                 *entry |= ((u32)DCBX_APP_SF_IEEE_ETHTYPE << | 
|                        DCBX_APP_SF_IEEE_SHIFT); | 
|                 *entry |= ((u32)DCBX_APP_SF_ETHTYPE << | 
|                        DCBX_APP_SF_SHIFT); | 
|                 break; | 
|             case QED_DCBX_SF_IEEE_TCP_PORT: | 
|                 *entry |= ((u32)DCBX_APP_SF_IEEE_TCP_PORT << | 
|                        DCBX_APP_SF_IEEE_SHIFT); | 
|                 *entry |= ((u32)DCBX_APP_SF_PORT << | 
|                        DCBX_APP_SF_SHIFT); | 
|                 break; | 
|             case QED_DCBX_SF_IEEE_UDP_PORT: | 
|                 *entry |= ((u32)DCBX_APP_SF_IEEE_UDP_PORT << | 
|                        DCBX_APP_SF_IEEE_SHIFT); | 
|                 *entry |= ((u32)DCBX_APP_SF_PORT << | 
|                        DCBX_APP_SF_SHIFT); | 
|                 break; | 
|             case QED_DCBX_SF_IEEE_TCP_UDP_PORT: | 
|                 *entry |= ((u32)DCBX_APP_SF_IEEE_TCP_UDP_PORT << | 
|                        DCBX_APP_SF_IEEE_SHIFT); | 
|                 *entry |= ((u32)DCBX_APP_SF_PORT << | 
|                        DCBX_APP_SF_SHIFT); | 
|                 break; | 
|             } | 
|         } else { | 
|             *entry &= ~DCBX_APP_SF_MASK; | 
|             if (p_params->app_entry[i].ethtype) | 
|                 *entry |= ((u32)DCBX_APP_SF_ETHTYPE << | 
|                        DCBX_APP_SF_SHIFT); | 
|             else | 
|                 *entry |= ((u32)DCBX_APP_SF_PORT << | 
|                        DCBX_APP_SF_SHIFT); | 
|         } | 
|   | 
|         *entry &= ~DCBX_APP_PROTOCOL_ID_MASK; | 
|         *entry |= ((u32)p_params->app_entry[i].proto_id << | 
|                DCBX_APP_PROTOCOL_ID_SHIFT); | 
|         *entry &= ~DCBX_APP_PRI_MAP_MASK; | 
|         *entry |= ((u32)(p_params->app_entry[i].prio) << | 
|                DCBX_APP_PRI_MAP_SHIFT); | 
|     } | 
| } | 
|   | 
| static void | 
| qed_dcbx_set_local_params(struct qed_hwfn *p_hwfn, | 
|               struct dcbx_local_params *local_admin, | 
|               struct qed_dcbx_set *params) | 
| { | 
|     bool ieee = false; | 
|   | 
|     local_admin->flags = 0; | 
|     memcpy(&local_admin->features, | 
|            &p_hwfn->p_dcbx_info->operational.features, | 
|            sizeof(local_admin->features)); | 
|   | 
|     if (params->enabled) { | 
|         local_admin->config = params->ver_num; | 
|         ieee = !!(params->ver_num & DCBX_CONFIG_VERSION_IEEE); | 
|     } else { | 
|         local_admin->config = DCBX_CONFIG_VERSION_DISABLED; | 
|     } | 
|   | 
|     DP_VERBOSE(p_hwfn, QED_MSG_DCB, "Dcbx version = %d\n", | 
|            local_admin->config); | 
|   | 
|     if (params->override_flags & QED_DCBX_OVERRIDE_PFC_CFG) | 
|         qed_dcbx_set_pfc_data(p_hwfn, &local_admin->features.pfc, | 
|                       ¶ms->config.params); | 
|   | 
|     if (params->override_flags & QED_DCBX_OVERRIDE_ETS_CFG) | 
|         qed_dcbx_set_ets_data(p_hwfn, &local_admin->features.ets, | 
|                       ¶ms->config.params); | 
|   | 
|     if (params->override_flags & QED_DCBX_OVERRIDE_APP_CFG) | 
|         qed_dcbx_set_app_data(p_hwfn, &local_admin->features.app, | 
|                       ¶ms->config.params, ieee); | 
| } | 
|   | 
| int qed_dcbx_config_params(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, | 
|                struct qed_dcbx_set *params, bool hw_commit) | 
| { | 
|     struct dcbx_local_params local_admin; | 
|     struct qed_dcbx_mib_meta_data data; | 
|     u32 resp = 0, param = 0; | 
|     int rc = 0; | 
|   | 
|     if (!hw_commit) { | 
|         memcpy(&p_hwfn->p_dcbx_info->set, params, | 
|                sizeof(struct qed_dcbx_set)); | 
|         return 0; | 
|     } | 
|   | 
|     /* clear set-parmas cache */ | 
|     memset(&p_hwfn->p_dcbx_info->set, 0, sizeof(p_hwfn->p_dcbx_info->set)); | 
|   | 
|     memset(&local_admin, 0, sizeof(local_admin)); | 
|     qed_dcbx_set_local_params(p_hwfn, &local_admin, params); | 
|   | 
|     data.addr = p_hwfn->mcp_info->port_addr + | 
|         offsetof(struct public_port, local_admin_dcbx_mib); | 
|     data.local_admin = &local_admin; | 
|     data.size = sizeof(struct dcbx_local_params); | 
|     qed_memcpy_to(p_hwfn, p_ptt, data.addr, data.local_admin, data.size); | 
|   | 
|     rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_DCBX, | 
|              1 << DRV_MB_PARAM_LLDP_SEND_SHIFT, &resp, ¶m); | 
|     if (rc) | 
|         DP_NOTICE(p_hwfn, "Failed to send DCBX update request\n"); | 
|   | 
|     return rc; | 
| } | 
|   | 
| int qed_dcbx_get_config_params(struct qed_hwfn *p_hwfn, | 
|                    struct qed_dcbx_set *params) | 
| { | 
|     struct qed_dcbx_get *dcbx_info; | 
|     int rc; | 
|   | 
|     if (p_hwfn->p_dcbx_info->set.config.valid) { | 
|         memcpy(params, &p_hwfn->p_dcbx_info->set, | 
|                sizeof(struct qed_dcbx_set)); | 
|         return 0; | 
|     } | 
|   | 
|     dcbx_info = kzalloc(sizeof(*dcbx_info), GFP_KERNEL); | 
|     if (!dcbx_info) | 
|         return -ENOMEM; | 
|   | 
|     rc = qed_dcbx_query_params(p_hwfn, dcbx_info, QED_DCBX_OPERATIONAL_MIB); | 
|     if (rc) { | 
|         kfree(dcbx_info); | 
|         return rc; | 
|     } | 
|   | 
|     p_hwfn->p_dcbx_info->set.override_flags = 0; | 
|     p_hwfn->p_dcbx_info->set.ver_num = DCBX_CONFIG_VERSION_DISABLED; | 
|     if (dcbx_info->operational.cee) | 
|         p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_CEE; | 
|     if (dcbx_info->operational.ieee) | 
|         p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_IEEE; | 
|     if (dcbx_info->operational.local) | 
|         p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_STATIC; | 
|   | 
|     p_hwfn->p_dcbx_info->set.enabled = dcbx_info->operational.enabled; | 
|     BUILD_BUG_ON(sizeof(dcbx_info->operational.params) != | 
|              sizeof(p_hwfn->p_dcbx_info->set.config.params)); | 
|     memcpy(&p_hwfn->p_dcbx_info->set.config.params, | 
|            &dcbx_info->operational.params, | 
|            sizeof(p_hwfn->p_dcbx_info->set.config.params)); | 
|     p_hwfn->p_dcbx_info->set.config.valid = true; | 
|   | 
|     memcpy(params, &p_hwfn->p_dcbx_info->set, sizeof(struct qed_dcbx_set)); | 
|   | 
|     kfree(dcbx_info); | 
|   | 
|     return 0; | 
| } | 
|   | 
| static struct qed_dcbx_get *qed_dcbnl_get_dcbx(struct qed_hwfn *hwfn, | 
|                            enum qed_mib_read_type type) | 
| { | 
|     struct qed_dcbx_get *dcbx_info; | 
|   | 
|     dcbx_info = kzalloc(sizeof(*dcbx_info), GFP_ATOMIC); | 
|     if (!dcbx_info) | 
|         return NULL; | 
|   | 
|     if (qed_dcbx_query_params(hwfn, dcbx_info, type)) { | 
|         kfree(dcbx_info); | 
|         return NULL; | 
|     } | 
|   | 
|     if ((type == QED_DCBX_OPERATIONAL_MIB) && | 
|         !dcbx_info->operational.enabled) { | 
|         DP_INFO(hwfn, "DCBX is not enabled/operational\n"); | 
|         kfree(dcbx_info); | 
|         return NULL; | 
|     } | 
|   | 
|     return dcbx_info; | 
| } | 
|   | 
| static u8 qed_dcbnl_getstate(struct qed_dev *cdev) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_get *dcbx_info; | 
|     bool enabled; | 
|   | 
|     dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | 
|     if (!dcbx_info) | 
|         return 0; | 
|   | 
|     enabled = dcbx_info->operational.enabled; | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "DCB state = %d\n", enabled); | 
|     kfree(dcbx_info); | 
|   | 
|     return enabled; | 
| } | 
|   | 
| static u8 qed_dcbnl_setstate(struct qed_dev *cdev, u8 state) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_set dcbx_set; | 
|     struct qed_ptt *ptt; | 
|     int rc; | 
|   | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "DCB state = %d\n", state); | 
|   | 
|     memset(&dcbx_set, 0, sizeof(dcbx_set)); | 
|     rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | 
|     if (rc) | 
|         return 1; | 
|   | 
|     dcbx_set.enabled = !!state; | 
|   | 
|     ptt = qed_ptt_acquire(hwfn); | 
|     if (!ptt) | 
|         return 1; | 
|   | 
|     rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | 
|   | 
|     qed_ptt_release(hwfn, ptt); | 
|   | 
|     return rc ? 1 : 0; | 
| } | 
|   | 
| static void qed_dcbnl_getpgtccfgtx(struct qed_dev *cdev, int tc, u8 *prio_type, | 
|                    u8 *pgid, u8 *bw_pct, u8 *up_map) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_get *dcbx_info; | 
|   | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "tc = %d\n", tc); | 
|     *prio_type = *pgid = *bw_pct = *up_map = 0; | 
|     if (tc < 0 || tc >= QED_MAX_PFC_PRIORITIES) { | 
|         DP_INFO(hwfn, "Invalid tc %d\n", tc); | 
|         return; | 
|     } | 
|   | 
|     dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | 
|     if (!dcbx_info) | 
|         return; | 
|   | 
|     *pgid = dcbx_info->operational.params.ets_pri_tc_tbl[tc]; | 
|     kfree(dcbx_info); | 
| } | 
|   | 
| static void qed_dcbnl_getpgbwgcfgtx(struct qed_dev *cdev, int pgid, u8 *bw_pct) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_get *dcbx_info; | 
|   | 
|     *bw_pct = 0; | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "pgid = %d\n", pgid); | 
|     if (pgid < 0 || pgid >= QED_MAX_PFC_PRIORITIES) { | 
|         DP_INFO(hwfn, "Invalid pgid %d\n", pgid); | 
|         return; | 
|     } | 
|   | 
|     dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | 
|     if (!dcbx_info) | 
|         return; | 
|   | 
|     *bw_pct = dcbx_info->operational.params.ets_tc_bw_tbl[pgid]; | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "bw_pct = %d\n", *bw_pct); | 
|     kfree(dcbx_info); | 
| } | 
|   | 
| static void qed_dcbnl_getpgtccfgrx(struct qed_dev *cdev, int tc, u8 *prio, | 
|                    u8 *bwg_id, u8 *bw_pct, u8 *up_map) | 
| { | 
|     DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n"); | 
|     *prio = *bwg_id = *bw_pct = *up_map = 0; | 
| } | 
|   | 
| static void qed_dcbnl_getpgbwgcfgrx(struct qed_dev *cdev, | 
|                     int bwg_id, u8 *bw_pct) | 
| { | 
|     DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n"); | 
|     *bw_pct = 0; | 
| } | 
|   | 
| static void qed_dcbnl_getpfccfg(struct qed_dev *cdev, | 
|                 int priority, u8 *setting) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_get *dcbx_info; | 
|   | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "priority = %d\n", priority); | 
|     if (priority < 0 || priority >= QED_MAX_PFC_PRIORITIES) { | 
|         DP_INFO(hwfn, "Invalid priority %d\n", priority); | 
|         return; | 
|     } | 
|   | 
|     dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | 
|     if (!dcbx_info) | 
|         return; | 
|   | 
|     *setting = dcbx_info->operational.params.pfc.prio[priority]; | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "setting = %d\n", *setting); | 
|     kfree(dcbx_info); | 
| } | 
|   | 
| static void qed_dcbnl_setpfccfg(struct qed_dev *cdev, int priority, u8 setting) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_set dcbx_set; | 
|     struct qed_ptt *ptt; | 
|     int rc; | 
|   | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "priority = %d setting = %d\n", | 
|            priority, setting); | 
|     if (priority < 0 || priority >= QED_MAX_PFC_PRIORITIES) { | 
|         DP_INFO(hwfn, "Invalid priority %d\n", priority); | 
|         return; | 
|     } | 
|   | 
|     memset(&dcbx_set, 0, sizeof(dcbx_set)); | 
|     rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | 
|     if (rc) | 
|         return; | 
|   | 
|     dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG; | 
|     dcbx_set.config.params.pfc.prio[priority] = !!setting; | 
|   | 
|     ptt = qed_ptt_acquire(hwfn); | 
|     if (!ptt) | 
|         return; | 
|   | 
|     rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | 
|   | 
|     qed_ptt_release(hwfn, ptt); | 
| } | 
|   | 
| static u8 qed_dcbnl_getcap(struct qed_dev *cdev, int capid, u8 *cap) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_get *dcbx_info; | 
|     int rc = 0; | 
|   | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "capid = %d\n", capid); | 
|     dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | 
|     if (!dcbx_info) | 
|         return 1; | 
|   | 
|     switch (capid) { | 
|     case DCB_CAP_ATTR_PG: | 
|     case DCB_CAP_ATTR_PFC: | 
|     case DCB_CAP_ATTR_UP2TC: | 
|     case DCB_CAP_ATTR_GSP: | 
|         *cap = true; | 
|         break; | 
|     case DCB_CAP_ATTR_PG_TCS: | 
|     case DCB_CAP_ATTR_PFC_TCS: | 
|         *cap = 0x80; | 
|         break; | 
|     case DCB_CAP_ATTR_DCBX: | 
|         *cap = (DCB_CAP_DCBX_VER_CEE | DCB_CAP_DCBX_VER_IEEE | | 
|             DCB_CAP_DCBX_STATIC); | 
|         break; | 
|     default: | 
|         *cap = false; | 
|         rc = 1; | 
|     } | 
|   | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "id = %d caps = %d\n", capid, *cap); | 
|     kfree(dcbx_info); | 
|   | 
|     return rc; | 
| } | 
|   | 
| static int qed_dcbnl_getnumtcs(struct qed_dev *cdev, int tcid, u8 *num) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_get *dcbx_info; | 
|     int rc = 0; | 
|   | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "tcid = %d\n", tcid); | 
|     dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | 
|     if (!dcbx_info) | 
|         return -EINVAL; | 
|   | 
|     switch (tcid) { | 
|     case DCB_NUMTCS_ATTR_PG: | 
|         *num = dcbx_info->operational.params.max_ets_tc; | 
|         break; | 
|     case DCB_NUMTCS_ATTR_PFC: | 
|         *num = dcbx_info->operational.params.pfc.max_tc; | 
|         break; | 
|     default: | 
|         rc = -EINVAL; | 
|     } | 
|   | 
|     kfree(dcbx_info); | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "numtcs = %d\n", *num); | 
|   | 
|     return rc; | 
| } | 
|   | 
| static u8 qed_dcbnl_getpfcstate(struct qed_dev *cdev) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_get *dcbx_info; | 
|     bool enabled; | 
|   | 
|     dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | 
|     if (!dcbx_info) | 
|         return 0; | 
|   | 
|     enabled = dcbx_info->operational.params.pfc.enabled; | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "pfc state = %d\n", enabled); | 
|     kfree(dcbx_info); | 
|   | 
|     return enabled; | 
| } | 
|   | 
| static u8 qed_dcbnl_getdcbx(struct qed_dev *cdev) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_get *dcbx_info; | 
|     u8 mode = 0; | 
|   | 
|     dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | 
|     if (!dcbx_info) | 
|         return 0; | 
|   | 
|     if (dcbx_info->operational.ieee) | 
|         mode |= DCB_CAP_DCBX_VER_IEEE; | 
|     if (dcbx_info->operational.cee) | 
|         mode |= DCB_CAP_DCBX_VER_CEE; | 
|     if (dcbx_info->operational.local) | 
|         mode |= DCB_CAP_DCBX_STATIC; | 
|   | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "dcb mode = %d\n", mode); | 
|     kfree(dcbx_info); | 
|   | 
|     return mode; | 
| } | 
|   | 
| static void qed_dcbnl_setpgtccfgtx(struct qed_dev *cdev, | 
|                    int tc, | 
|                    u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_set dcbx_set; | 
|     struct qed_ptt *ptt; | 
|     int rc; | 
|   | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, | 
|            "tc = %d pri_type = %d pgid = %d bw_pct = %d up_map = %d\n", | 
|            tc, pri_type, pgid, bw_pct, up_map); | 
|   | 
|     if (tc < 0 || tc >= QED_MAX_PFC_PRIORITIES) { | 
|         DP_INFO(hwfn, "Invalid tc %d\n", tc); | 
|         return; | 
|     } | 
|   | 
|     memset(&dcbx_set, 0, sizeof(dcbx_set)); | 
|     rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | 
|     if (rc) | 
|         return; | 
|   | 
|     dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG; | 
|     dcbx_set.config.params.ets_pri_tc_tbl[tc] = pgid; | 
|   | 
|     ptt = qed_ptt_acquire(hwfn); | 
|     if (!ptt) | 
|         return; | 
|   | 
|     rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | 
|   | 
|     qed_ptt_release(hwfn, ptt); | 
| } | 
|   | 
| static void qed_dcbnl_setpgtccfgrx(struct qed_dev *cdev, int prio, | 
|                    u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map) | 
| { | 
|     DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n"); | 
| } | 
|   | 
| static void qed_dcbnl_setpgbwgcfgtx(struct qed_dev *cdev, int pgid, u8 bw_pct) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_set dcbx_set; | 
|     struct qed_ptt *ptt; | 
|     int rc; | 
|   | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "pgid = %d bw_pct = %d\n", pgid, bw_pct); | 
|     if (pgid < 0 || pgid >= QED_MAX_PFC_PRIORITIES) { | 
|         DP_INFO(hwfn, "Invalid pgid %d\n", pgid); | 
|         return; | 
|     } | 
|   | 
|     memset(&dcbx_set, 0, sizeof(dcbx_set)); | 
|     rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | 
|     if (rc) | 
|         return; | 
|   | 
|     dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG; | 
|     dcbx_set.config.params.ets_tc_bw_tbl[pgid] = bw_pct; | 
|   | 
|     ptt = qed_ptt_acquire(hwfn); | 
|     if (!ptt) | 
|         return; | 
|   | 
|     rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | 
|   | 
|     qed_ptt_release(hwfn, ptt); | 
| } | 
|   | 
| static void qed_dcbnl_setpgbwgcfgrx(struct qed_dev *cdev, int pgid, u8 bw_pct) | 
| { | 
|     DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n"); | 
| } | 
|   | 
| static u8 qed_dcbnl_setall(struct qed_dev *cdev) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_set dcbx_set; | 
|     struct qed_ptt *ptt; | 
|     int rc; | 
|   | 
|     memset(&dcbx_set, 0, sizeof(dcbx_set)); | 
|     rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | 
|     if (rc) | 
|         return 1; | 
|   | 
|     ptt = qed_ptt_acquire(hwfn); | 
|     if (!ptt) | 
|         return 1; | 
|   | 
|     rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 1); | 
|   | 
|     qed_ptt_release(hwfn, ptt); | 
|   | 
|     return rc; | 
| } | 
|   | 
| static int qed_dcbnl_setnumtcs(struct qed_dev *cdev, int tcid, u8 num) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_set dcbx_set; | 
|     struct qed_ptt *ptt; | 
|     int rc; | 
|   | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "tcid = %d num = %d\n", tcid, num); | 
|     memset(&dcbx_set, 0, sizeof(dcbx_set)); | 
|     rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | 
|     if (rc) | 
|         return 1; | 
|   | 
|     switch (tcid) { | 
|     case DCB_NUMTCS_ATTR_PG: | 
|         dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG; | 
|         dcbx_set.config.params.max_ets_tc = num; | 
|         break; | 
|     case DCB_NUMTCS_ATTR_PFC: | 
|         dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG; | 
|         dcbx_set.config.params.pfc.max_tc = num; | 
|         break; | 
|     default: | 
|         DP_INFO(hwfn, "Invalid tcid %d\n", tcid); | 
|         return -EINVAL; | 
|     } | 
|   | 
|     ptt = qed_ptt_acquire(hwfn); | 
|     if (!ptt) | 
|         return -EINVAL; | 
|   | 
|     rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | 
|   | 
|     qed_ptt_release(hwfn, ptt); | 
|   | 
|     return 0; | 
| } | 
|   | 
| static void qed_dcbnl_setpfcstate(struct qed_dev *cdev, u8 state) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_set dcbx_set; | 
|     struct qed_ptt *ptt; | 
|     int rc; | 
|   | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "new state = %d\n", state); | 
|   | 
|     memset(&dcbx_set, 0, sizeof(dcbx_set)); | 
|     rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | 
|     if (rc) | 
|         return; | 
|   | 
|     dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG; | 
|     dcbx_set.config.params.pfc.enabled = !!state; | 
|   | 
|     ptt = qed_ptt_acquire(hwfn); | 
|     if (!ptt) | 
|         return; | 
|   | 
|     rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | 
|   | 
|     qed_ptt_release(hwfn, ptt); | 
| } | 
|   | 
| static int qed_dcbnl_getapp(struct qed_dev *cdev, u8 idtype, u16 idval) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_get *dcbx_info; | 
|     struct qed_app_entry *entry; | 
|     bool ethtype; | 
|     u8 prio = 0; | 
|     int i; | 
|   | 
|     dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | 
|     if (!dcbx_info) | 
|         return -EINVAL; | 
|   | 
|     ethtype = !!(idtype == DCB_APP_IDTYPE_ETHTYPE); | 
|     for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) { | 
|         entry = &dcbx_info->operational.params.app_entry[i]; | 
|         if ((entry->ethtype == ethtype) && (entry->proto_id == idval)) { | 
|             prio = entry->prio; | 
|             break; | 
|         } | 
|     } | 
|   | 
|     if (i == QED_DCBX_MAX_APP_PROTOCOL) { | 
|         DP_ERR(cdev, "App entry (%d, %d) not found\n", idtype, idval); | 
|         kfree(dcbx_info); | 
|         return -EINVAL; | 
|     } | 
|   | 
|     kfree(dcbx_info); | 
|   | 
|     return prio; | 
| } | 
|   | 
| static int qed_dcbnl_setapp(struct qed_dev *cdev, | 
|                 u8 idtype, u16 idval, u8 pri_map) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_set dcbx_set; | 
|     struct qed_app_entry *entry; | 
|     struct qed_ptt *ptt; | 
|     bool ethtype; | 
|     int rc, i; | 
|   | 
|     memset(&dcbx_set, 0, sizeof(dcbx_set)); | 
|     rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | 
|     if (rc) | 
|         return -EINVAL; | 
|   | 
|     ethtype = !!(idtype == DCB_APP_IDTYPE_ETHTYPE); | 
|     for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) { | 
|         entry = &dcbx_set.config.params.app_entry[i]; | 
|         if ((entry->ethtype == ethtype) && (entry->proto_id == idval)) | 
|             break; | 
|         /* First empty slot */ | 
|         if (!entry->proto_id) { | 
|             dcbx_set.config.params.num_app_entries++; | 
|             break; | 
|         } | 
|     } | 
|   | 
|     if (i == QED_DCBX_MAX_APP_PROTOCOL) { | 
|         DP_ERR(cdev, "App table is full\n"); | 
|         return -EBUSY; | 
|     } | 
|   | 
|     dcbx_set.override_flags |= QED_DCBX_OVERRIDE_APP_CFG; | 
|     dcbx_set.config.params.app_entry[i].ethtype = ethtype; | 
|     dcbx_set.config.params.app_entry[i].proto_id = idval; | 
|     dcbx_set.config.params.app_entry[i].prio = pri_map; | 
|   | 
|     ptt = qed_ptt_acquire(hwfn); | 
|     if (!ptt) | 
|         return -EBUSY; | 
|   | 
|     rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | 
|   | 
|     qed_ptt_release(hwfn, ptt); | 
|   | 
|     return rc; | 
| } | 
|   | 
| static u8 qed_dcbnl_setdcbx(struct qed_dev *cdev, u8 mode) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_set dcbx_set; | 
|     struct qed_ptt *ptt; | 
|     int rc; | 
|   | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "new mode = %x\n", mode); | 
|   | 
|     if (!(mode & DCB_CAP_DCBX_VER_IEEE) && | 
|         !(mode & DCB_CAP_DCBX_VER_CEE) && !(mode & DCB_CAP_DCBX_STATIC)) { | 
|         DP_INFO(hwfn, "Allowed modes are cee, ieee or static\n"); | 
|         return 1; | 
|     } | 
|   | 
|     memset(&dcbx_set, 0, sizeof(dcbx_set)); | 
|     rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | 
|     if (rc) | 
|         return 1; | 
|   | 
|     dcbx_set.ver_num = 0; | 
|     if (mode & DCB_CAP_DCBX_VER_CEE) { | 
|         dcbx_set.ver_num |= DCBX_CONFIG_VERSION_CEE; | 
|         dcbx_set.enabled = true; | 
|     } | 
|   | 
|     if (mode & DCB_CAP_DCBX_VER_IEEE) { | 
|         dcbx_set.ver_num |= DCBX_CONFIG_VERSION_IEEE; | 
|         dcbx_set.enabled = true; | 
|     } | 
|   | 
|     if (mode & DCB_CAP_DCBX_STATIC) { | 
|         dcbx_set.ver_num |= DCBX_CONFIG_VERSION_STATIC; | 
|         dcbx_set.enabled = true; | 
|     } | 
|   | 
|     ptt = qed_ptt_acquire(hwfn); | 
|     if (!ptt) | 
|         return 1; | 
|   | 
|     rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | 
|   | 
|     qed_ptt_release(hwfn, ptt); | 
|   | 
|     return rc; | 
| } | 
|   | 
| static u8 qed_dcbnl_getfeatcfg(struct qed_dev *cdev, int featid, u8 *flags) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_get *dcbx_info; | 
|   | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "Feature id  = %d\n", featid); | 
|     dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | 
|     if (!dcbx_info) | 
|         return 1; | 
|   | 
|     *flags = 0; | 
|     switch (featid) { | 
|     case DCB_FEATCFG_ATTR_PG: | 
|         if (dcbx_info->operational.params.ets_enabled) | 
|             *flags = DCB_FEATCFG_ENABLE; | 
|         else | 
|             *flags = DCB_FEATCFG_ERROR; | 
|         break; | 
|     case DCB_FEATCFG_ATTR_PFC: | 
|         if (dcbx_info->operational.params.pfc.enabled) | 
|             *flags = DCB_FEATCFG_ENABLE; | 
|         else | 
|             *flags = DCB_FEATCFG_ERROR; | 
|         break; | 
|     case DCB_FEATCFG_ATTR_APP: | 
|         if (dcbx_info->operational.params.app_valid) | 
|             *flags = DCB_FEATCFG_ENABLE; | 
|         else | 
|             *flags = DCB_FEATCFG_ERROR; | 
|         break; | 
|     default: | 
|         DP_INFO(hwfn, "Invalid feature-ID %d\n", featid); | 
|         kfree(dcbx_info); | 
|         return 1; | 
|     } | 
|   | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "flags = %d\n", *flags); | 
|     kfree(dcbx_info); | 
|   | 
|     return 0; | 
| } | 
|   | 
| static u8 qed_dcbnl_setfeatcfg(struct qed_dev *cdev, int featid, u8 flags) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_set dcbx_set; | 
|     bool enabled, willing; | 
|     struct qed_ptt *ptt; | 
|     int rc; | 
|   | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "featid = %d flags = %d\n", | 
|            featid, flags); | 
|     memset(&dcbx_set, 0, sizeof(dcbx_set)); | 
|     rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | 
|     if (rc) | 
|         return 1; | 
|   | 
|     enabled = !!(flags & DCB_FEATCFG_ENABLE); | 
|     willing = !!(flags & DCB_FEATCFG_WILLING); | 
|     switch (featid) { | 
|     case DCB_FEATCFG_ATTR_PG: | 
|         dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG; | 
|         dcbx_set.config.params.ets_enabled = enabled; | 
|         dcbx_set.config.params.ets_willing = willing; | 
|         break; | 
|     case DCB_FEATCFG_ATTR_PFC: | 
|         dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG; | 
|         dcbx_set.config.params.pfc.enabled = enabled; | 
|         dcbx_set.config.params.pfc.willing = willing; | 
|         break; | 
|     case DCB_FEATCFG_ATTR_APP: | 
|         dcbx_set.override_flags |= QED_DCBX_OVERRIDE_APP_CFG; | 
|         dcbx_set.config.params.app_willing = willing; | 
|         break; | 
|     default: | 
|         DP_INFO(hwfn, "Invalid feature-ID %d\n", featid); | 
|         return 1; | 
|     } | 
|   | 
|     ptt = qed_ptt_acquire(hwfn); | 
|     if (!ptt) | 
|         return 1; | 
|   | 
|     rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | 
|   | 
|     qed_ptt_release(hwfn, ptt); | 
|   | 
|     return 0; | 
| } | 
|   | 
| static int qed_dcbnl_peer_getappinfo(struct qed_dev *cdev, | 
|                      struct dcb_peer_app_info *info, | 
|                      u16 *app_count) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_get *dcbx_info; | 
|   | 
|     dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB); | 
|     if (!dcbx_info) | 
|         return -EINVAL; | 
|   | 
|     info->willing = dcbx_info->remote.params.app_willing; | 
|     info->error = dcbx_info->remote.params.app_error; | 
|     *app_count = dcbx_info->remote.params.num_app_entries; | 
|     kfree(dcbx_info); | 
|   | 
|     return 0; | 
| } | 
|   | 
| static int qed_dcbnl_peer_getapptable(struct qed_dev *cdev, | 
|                       struct dcb_app *table) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_get *dcbx_info; | 
|     int i; | 
|   | 
|     dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB); | 
|     if (!dcbx_info) | 
|         return -EINVAL; | 
|   | 
|     for (i = 0; i < dcbx_info->remote.params.num_app_entries; i++) { | 
|         if (dcbx_info->remote.params.app_entry[i].ethtype) | 
|             table[i].selector = DCB_APP_IDTYPE_ETHTYPE; | 
|         else | 
|             table[i].selector = DCB_APP_IDTYPE_PORTNUM; | 
|         table[i].priority = dcbx_info->remote.params.app_entry[i].prio; | 
|         table[i].protocol = | 
|             dcbx_info->remote.params.app_entry[i].proto_id; | 
|     } | 
|   | 
|     kfree(dcbx_info); | 
|   | 
|     return 0; | 
| } | 
|   | 
| static int qed_dcbnl_cee_peer_getpfc(struct qed_dev *cdev, struct cee_pfc *pfc) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_get *dcbx_info; | 
|     int i; | 
|   | 
|     dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB); | 
|     if (!dcbx_info) | 
|         return -EINVAL; | 
|   | 
|     for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) | 
|         if (dcbx_info->remote.params.pfc.prio[i]) | 
|             pfc->pfc_en |= BIT(i); | 
|   | 
|     pfc->tcs_supported = dcbx_info->remote.params.pfc.max_tc; | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "pfc state = %d tcs_supported = %d\n", | 
|            pfc->pfc_en, pfc->tcs_supported); | 
|     kfree(dcbx_info); | 
|   | 
|     return 0; | 
| } | 
|   | 
| static int qed_dcbnl_cee_peer_getpg(struct qed_dev *cdev, struct cee_pg *pg) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_get *dcbx_info; | 
|     int i; | 
|   | 
|     dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB); | 
|     if (!dcbx_info) | 
|         return -EINVAL; | 
|   | 
|     pg->willing = dcbx_info->remote.params.ets_willing; | 
|     for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) { | 
|         pg->pg_bw[i] = dcbx_info->remote.params.ets_tc_bw_tbl[i]; | 
|         pg->prio_pg[i] = dcbx_info->remote.params.ets_pri_tc_tbl[i]; | 
|     } | 
|   | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "willing = %d", pg->willing); | 
|     kfree(dcbx_info); | 
|   | 
|     return 0; | 
| } | 
|   | 
| static int qed_dcbnl_get_ieee_pfc(struct qed_dev *cdev, | 
|                   struct ieee_pfc *pfc, bool remote) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_params *params; | 
|     struct qed_dcbx_get *dcbx_info; | 
|     int rc, i; | 
|   | 
|     dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | 
|     if (!dcbx_info) | 
|         return -EINVAL; | 
|   | 
|     if (!dcbx_info->operational.ieee) { | 
|         DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n"); | 
|         kfree(dcbx_info); | 
|         return -EINVAL; | 
|     } | 
|   | 
|     if (remote) { | 
|         memset(dcbx_info, 0, sizeof(*dcbx_info)); | 
|         rc = qed_dcbx_query_params(hwfn, dcbx_info, | 
|                        QED_DCBX_REMOTE_MIB); | 
|         if (rc) { | 
|             kfree(dcbx_info); | 
|             return -EINVAL; | 
|         } | 
|   | 
|         params = &dcbx_info->remote.params; | 
|     } else { | 
|         params = &dcbx_info->operational.params; | 
|     } | 
|   | 
|     pfc->pfc_cap = params->pfc.max_tc; | 
|     pfc->pfc_en = 0; | 
|     for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) | 
|         if (params->pfc.prio[i]) | 
|             pfc->pfc_en |= BIT(i); | 
|   | 
|     kfree(dcbx_info); | 
|   | 
|     return 0; | 
| } | 
|   | 
| static int qed_dcbnl_ieee_getpfc(struct qed_dev *cdev, struct ieee_pfc *pfc) | 
| { | 
|     return qed_dcbnl_get_ieee_pfc(cdev, pfc, false); | 
| } | 
|   | 
| static int qed_dcbnl_ieee_setpfc(struct qed_dev *cdev, struct ieee_pfc *pfc) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_get *dcbx_info; | 
|     struct qed_dcbx_set dcbx_set; | 
|     struct qed_ptt *ptt; | 
|     int rc, i; | 
|   | 
|     dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | 
|     if (!dcbx_info) | 
|         return -EINVAL; | 
|   | 
|     if (!dcbx_info->operational.ieee) { | 
|         DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n"); | 
|         kfree(dcbx_info); | 
|         return -EINVAL; | 
|     } | 
|   | 
|     kfree(dcbx_info); | 
|   | 
|     memset(&dcbx_set, 0, sizeof(dcbx_set)); | 
|     rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | 
|     if (rc) | 
|         return -EINVAL; | 
|   | 
|     dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG; | 
|     for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) | 
|         dcbx_set.config.params.pfc.prio[i] = !!(pfc->pfc_en & BIT(i)); | 
|   | 
|     dcbx_set.config.params.pfc.max_tc = pfc->pfc_cap; | 
|   | 
|     ptt = qed_ptt_acquire(hwfn); | 
|     if (!ptt) | 
|         return -EINVAL; | 
|   | 
|     rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | 
|   | 
|     qed_ptt_release(hwfn, ptt); | 
|   | 
|     return rc; | 
| } | 
|   | 
| static int qed_dcbnl_get_ieee_ets(struct qed_dev *cdev, | 
|                   struct ieee_ets *ets, bool remote) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_get *dcbx_info; | 
|     struct qed_dcbx_params *params; | 
|     int rc; | 
|   | 
|     dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | 
|     if (!dcbx_info) | 
|         return -EINVAL; | 
|   | 
|     if (!dcbx_info->operational.ieee) { | 
|         DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n"); | 
|         kfree(dcbx_info); | 
|         return -EINVAL; | 
|     } | 
|   | 
|     if (remote) { | 
|         memset(dcbx_info, 0, sizeof(*dcbx_info)); | 
|         rc = qed_dcbx_query_params(hwfn, dcbx_info, | 
|                        QED_DCBX_REMOTE_MIB); | 
|         if (rc) { | 
|             kfree(dcbx_info); | 
|             return -EINVAL; | 
|         } | 
|   | 
|         params = &dcbx_info->remote.params; | 
|     } else { | 
|         params = &dcbx_info->operational.params; | 
|     } | 
|   | 
|     ets->ets_cap = params->max_ets_tc; | 
|     ets->willing = params->ets_willing; | 
|     ets->cbs = params->ets_cbs; | 
|     memcpy(ets->tc_tx_bw, params->ets_tc_bw_tbl, sizeof(ets->tc_tx_bw)); | 
|     memcpy(ets->tc_tsa, params->ets_tc_tsa_tbl, sizeof(ets->tc_tsa)); | 
|     memcpy(ets->prio_tc, params->ets_pri_tc_tbl, sizeof(ets->prio_tc)); | 
|     kfree(dcbx_info); | 
|   | 
|     return 0; | 
| } | 
|   | 
| static int qed_dcbnl_ieee_getets(struct qed_dev *cdev, struct ieee_ets *ets) | 
| { | 
|     return qed_dcbnl_get_ieee_ets(cdev, ets, false); | 
| } | 
|   | 
| static int qed_dcbnl_ieee_setets(struct qed_dev *cdev, struct ieee_ets *ets) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_get *dcbx_info; | 
|     struct qed_dcbx_set dcbx_set; | 
|     struct qed_ptt *ptt; | 
|     int rc; | 
|   | 
|     dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | 
|     if (!dcbx_info) | 
|         return -EINVAL; | 
|   | 
|     if (!dcbx_info->operational.ieee) { | 
|         DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n"); | 
|         kfree(dcbx_info); | 
|         return -EINVAL; | 
|     } | 
|   | 
|     kfree(dcbx_info); | 
|   | 
|     memset(&dcbx_set, 0, sizeof(dcbx_set)); | 
|     rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | 
|     if (rc) | 
|         return -EINVAL; | 
|   | 
|     dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG; | 
|     dcbx_set.config.params.max_ets_tc = ets->ets_cap; | 
|     dcbx_set.config.params.ets_willing = ets->willing; | 
|     dcbx_set.config.params.ets_cbs = ets->cbs; | 
|     memcpy(dcbx_set.config.params.ets_tc_bw_tbl, ets->tc_tx_bw, | 
|            sizeof(ets->tc_tx_bw)); | 
|     memcpy(dcbx_set.config.params.ets_tc_tsa_tbl, ets->tc_tsa, | 
|            sizeof(ets->tc_tsa)); | 
|     memcpy(dcbx_set.config.params.ets_pri_tc_tbl, ets->prio_tc, | 
|            sizeof(ets->prio_tc)); | 
|   | 
|     ptt = qed_ptt_acquire(hwfn); | 
|     if (!ptt) | 
|         return -EINVAL; | 
|   | 
|     rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | 
|   | 
|     qed_ptt_release(hwfn, ptt); | 
|   | 
|     return rc; | 
| } | 
|   | 
| static int | 
| qed_dcbnl_ieee_peer_getets(struct qed_dev *cdev, struct ieee_ets *ets) | 
| { | 
|     return qed_dcbnl_get_ieee_ets(cdev, ets, true); | 
| } | 
|   | 
| static int | 
| qed_dcbnl_ieee_peer_getpfc(struct qed_dev *cdev, struct ieee_pfc *pfc) | 
| { | 
|     return qed_dcbnl_get_ieee_pfc(cdev, pfc, true); | 
| } | 
|   | 
| static int qed_get_sf_ieee_value(u8 selector, u8 *sf_ieee) | 
| { | 
|     switch (selector) { | 
|     case IEEE_8021QAZ_APP_SEL_ETHERTYPE: | 
|         *sf_ieee = QED_DCBX_SF_IEEE_ETHTYPE; | 
|         break; | 
|     case IEEE_8021QAZ_APP_SEL_STREAM: | 
|         *sf_ieee = QED_DCBX_SF_IEEE_TCP_PORT; | 
|         break; | 
|     case IEEE_8021QAZ_APP_SEL_DGRAM: | 
|         *sf_ieee = QED_DCBX_SF_IEEE_UDP_PORT; | 
|         break; | 
|     case IEEE_8021QAZ_APP_SEL_ANY: | 
|         *sf_ieee = QED_DCBX_SF_IEEE_TCP_UDP_PORT; | 
|         break; | 
|     default: | 
|         return -EINVAL; | 
|     } | 
|   | 
|     return 0; | 
| } | 
|   | 
| static int qed_dcbnl_ieee_getapp(struct qed_dev *cdev, struct dcb_app *app) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_get *dcbx_info; | 
|     struct qed_app_entry *entry; | 
|     u8 prio = 0; | 
|     u8 sf_ieee; | 
|     int i; | 
|   | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "selector = %d protocol = %d\n", | 
|            app->selector, app->protocol); | 
|   | 
|     if (qed_get_sf_ieee_value(app->selector, &sf_ieee)) { | 
|         DP_INFO(cdev, "Invalid selector field value %d\n", | 
|             app->selector); | 
|         return -EINVAL; | 
|     } | 
|   | 
|     dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | 
|     if (!dcbx_info) | 
|         return -EINVAL; | 
|   | 
|     if (!dcbx_info->operational.ieee) { | 
|         DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n"); | 
|         kfree(dcbx_info); | 
|         return -EINVAL; | 
|     } | 
|   | 
|     for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) { | 
|         entry = &dcbx_info->operational.params.app_entry[i]; | 
|         if ((entry->sf_ieee == sf_ieee) && | 
|             (entry->proto_id == app->protocol)) { | 
|             prio = entry->prio; | 
|             break; | 
|         } | 
|     } | 
|   | 
|     if (i == QED_DCBX_MAX_APP_PROTOCOL) { | 
|         DP_ERR(cdev, "App entry (%d, %d) not found\n", app->selector, | 
|                app->protocol); | 
|         kfree(dcbx_info); | 
|         return -EINVAL; | 
|     } | 
|   | 
|     app->priority = ffs(prio) - 1; | 
|   | 
|     kfree(dcbx_info); | 
|   | 
|     return 0; | 
| } | 
|   | 
| static int qed_dcbnl_ieee_setapp(struct qed_dev *cdev, struct dcb_app *app) | 
| { | 
|     struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | 
|     struct qed_dcbx_get *dcbx_info; | 
|     struct qed_dcbx_set dcbx_set; | 
|     struct qed_app_entry *entry; | 
|     struct qed_ptt *ptt; | 
|     u8 sf_ieee; | 
|     int rc, i; | 
|   | 
|     DP_VERBOSE(hwfn, QED_MSG_DCB, "selector = %d protocol = %d pri = %d\n", | 
|            app->selector, app->protocol, app->priority); | 
|     if (app->priority >= QED_MAX_PFC_PRIORITIES) { | 
|         DP_INFO(hwfn, "Invalid priority %d\n", app->priority); | 
|         return -EINVAL; | 
|     } | 
|   | 
|     if (qed_get_sf_ieee_value(app->selector, &sf_ieee)) { | 
|         DP_INFO(cdev, "Invalid selector field value %d\n", | 
|             app->selector); | 
|         return -EINVAL; | 
|     } | 
|   | 
|     dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); | 
|     if (!dcbx_info) | 
|         return -EINVAL; | 
|   | 
|     if (!dcbx_info->operational.ieee) { | 
|         DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n"); | 
|         kfree(dcbx_info); | 
|         return -EINVAL; | 
|     } | 
|   | 
|     kfree(dcbx_info); | 
|   | 
|     memset(&dcbx_set, 0, sizeof(dcbx_set)); | 
|     rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); | 
|     if (rc) | 
|         return -EINVAL; | 
|   | 
|     for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) { | 
|         entry = &dcbx_set.config.params.app_entry[i]; | 
|         if ((entry->sf_ieee == sf_ieee) && | 
|             (entry->proto_id == app->protocol)) | 
|             break; | 
|         /* First empty slot */ | 
|         if (!entry->proto_id) { | 
|             dcbx_set.config.params.num_app_entries++; | 
|             break; | 
|         } | 
|     } | 
|   | 
|     if (i == QED_DCBX_MAX_APP_PROTOCOL) { | 
|         DP_ERR(cdev, "App table is full\n"); | 
|         return -EBUSY; | 
|     } | 
|   | 
|     dcbx_set.override_flags |= QED_DCBX_OVERRIDE_APP_CFG; | 
|     dcbx_set.config.params.app_entry[i].sf_ieee = sf_ieee; | 
|     dcbx_set.config.params.app_entry[i].proto_id = app->protocol; | 
|     dcbx_set.config.params.app_entry[i].prio = BIT(app->priority); | 
|   | 
|     ptt = qed_ptt_acquire(hwfn); | 
|     if (!ptt) | 
|         return -EBUSY; | 
|   | 
|     rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); | 
|   | 
|     qed_ptt_release(hwfn, ptt); | 
|   | 
|     return rc; | 
| } | 
|   | 
| const struct qed_eth_dcbnl_ops qed_dcbnl_ops_pass = { | 
|     .getstate = qed_dcbnl_getstate, | 
|     .setstate = qed_dcbnl_setstate, | 
|     .getpgtccfgtx = qed_dcbnl_getpgtccfgtx, | 
|     .getpgbwgcfgtx = qed_dcbnl_getpgbwgcfgtx, | 
|     .getpgtccfgrx = qed_dcbnl_getpgtccfgrx, | 
|     .getpgbwgcfgrx = qed_dcbnl_getpgbwgcfgrx, | 
|     .getpfccfg = qed_dcbnl_getpfccfg, | 
|     .setpfccfg = qed_dcbnl_setpfccfg, | 
|     .getcap = qed_dcbnl_getcap, | 
|     .getnumtcs = qed_dcbnl_getnumtcs, | 
|     .getpfcstate = qed_dcbnl_getpfcstate, | 
|     .getdcbx = qed_dcbnl_getdcbx, | 
|     .setpgtccfgtx = qed_dcbnl_setpgtccfgtx, | 
|     .setpgtccfgrx = qed_dcbnl_setpgtccfgrx, | 
|     .setpgbwgcfgtx = qed_dcbnl_setpgbwgcfgtx, | 
|     .setpgbwgcfgrx = qed_dcbnl_setpgbwgcfgrx, | 
|     .setall = qed_dcbnl_setall, | 
|     .setnumtcs = qed_dcbnl_setnumtcs, | 
|     .setpfcstate = qed_dcbnl_setpfcstate, | 
|     .setapp = qed_dcbnl_setapp, | 
|     .setdcbx = qed_dcbnl_setdcbx, | 
|     .setfeatcfg = qed_dcbnl_setfeatcfg, | 
|     .getfeatcfg = qed_dcbnl_getfeatcfg, | 
|     .getapp = qed_dcbnl_getapp, | 
|     .peer_getappinfo = qed_dcbnl_peer_getappinfo, | 
|     .peer_getapptable = qed_dcbnl_peer_getapptable, | 
|     .cee_peer_getpfc = qed_dcbnl_cee_peer_getpfc, | 
|     .cee_peer_getpg = qed_dcbnl_cee_peer_getpg, | 
|     .ieee_getpfc = qed_dcbnl_ieee_getpfc, | 
|     .ieee_setpfc = qed_dcbnl_ieee_setpfc, | 
|     .ieee_getets = qed_dcbnl_ieee_getets, | 
|     .ieee_setets = qed_dcbnl_ieee_setets, | 
|     .ieee_peer_getpfc = qed_dcbnl_ieee_peer_getpfc, | 
|     .ieee_peer_getets = qed_dcbnl_ieee_peer_getets, | 
|     .ieee_getapp = qed_dcbnl_ieee_getapp, | 
|     .ieee_setapp = qed_dcbnl_ieee_setapp, | 
| }; | 
|   | 
| #endif |