/* * Copyright (c) 2017-2018 Cavium, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * File : ecore_dcbx.c */ #include #include "bcm_osal.h" #include "ecore.h" #include "ecore_sp_commands.h" #include "ecore_dcbx.h" #include "ecore_cxt.h" #include "ecore_gtt_reg_addr.h" #include "ecore_iro.h" #ifdef CONFIG_ECORE_ROCE #include "ecore_rdma.h" #endif #include "ecore_iov_api.h" #define ECORE_DCBX_MAX_MIB_READ_TRY (100) #define ECORE_ETH_TYPE_DEFAULT (0) #define ECORE_ETH_TYPE_ROCE (0x8915) #define ECORE_UDP_PORT_TYPE_ROCE_V2 (0x12B7) #define ECORE_ETH_TYPE_FCOE (0x8906) #define ECORE_TCP_PORT_ISCSI (0xCBC) #define ECORE_DCBX_INVALID_PRIORITY 0xFF /* Get Traffic Class from priority traffic class table, 4 bits represent * the traffic class corresponding to the priority. */ #define ECORE_DCBX_PRIO2TC(prio_tc_tbl, prio) \ ((u32)(prio_tc_tbl >> ((7 - prio) * 4)) & 0x7) static bool ecore_dcbx_app_ethtype(u32 app_info_bitmap) { return !!(GET_MFW_FIELD(app_info_bitmap, DCBX_APP_SF) == DCBX_APP_SF_ETHTYPE); } static bool ecore_dcbx_ieee_app_ethtype(u32 app_info_bitmap) { u8 mfw_val = GET_MFW_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE); /* Old MFW */ if (mfw_val == DCBX_APP_SF_IEEE_RESERVED) return ecore_dcbx_app_ethtype(app_info_bitmap); return !!(mfw_val == DCBX_APP_SF_IEEE_ETHTYPE); } static bool ecore_dcbx_app_port(u32 app_info_bitmap) { return !!(GET_MFW_FIELD(app_info_bitmap, DCBX_APP_SF) == DCBX_APP_SF_PORT); } static bool ecore_dcbx_ieee_app_port(u32 app_info_bitmap, u8 type) { u8 mfw_val = GET_MFW_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE); /* Old MFW */ if (mfw_val == DCBX_APP_SF_IEEE_RESERVED) return ecore_dcbx_app_port(app_info_bitmap); return !!(mfw_val == type || mfw_val == DCBX_APP_SF_IEEE_TCP_UDP_PORT); } static bool ecore_dcbx_default_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee) { bool ethtype; if (ieee) ethtype = ecore_dcbx_ieee_app_ethtype(app_info_bitmap); else ethtype = ecore_dcbx_app_ethtype(app_info_bitmap); return !!(ethtype && (proto_id == ECORE_ETH_TYPE_DEFAULT)); } static bool ecore_dcbx_iscsi_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee) { bool port; if (ieee) port = ecore_dcbx_ieee_app_port(app_info_bitmap, DCBX_APP_SF_IEEE_TCP_PORT); else port = ecore_dcbx_app_port(app_info_bitmap); return !!(port && (proto_id == ECORE_TCP_PORT_ISCSI)); } static bool ecore_dcbx_fcoe_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee) { bool ethtype; if (ieee) ethtype = ecore_dcbx_ieee_app_ethtype(app_info_bitmap); else ethtype = ecore_dcbx_app_ethtype(app_info_bitmap); return !!(ethtype && (proto_id == ECORE_ETH_TYPE_FCOE)); } static bool ecore_dcbx_roce_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee) { bool ethtype; if (ieee) ethtype = ecore_dcbx_ieee_app_ethtype(app_info_bitmap); else ethtype = ecore_dcbx_app_ethtype(app_info_bitmap); return !!(ethtype && (proto_id == ECORE_ETH_TYPE_ROCE)); } static bool ecore_dcbx_roce_v2_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee) { bool port; if (ieee) port = ecore_dcbx_ieee_app_port(app_info_bitmap, DCBX_APP_SF_IEEE_UDP_PORT); else port = ecore_dcbx_app_port(app_info_bitmap); return !!(port && (proto_id == ECORE_UDP_PORT_TYPE_ROCE_V2)); } static bool ecore_dcbx_iwarp_tlv(struct ecore_hwfn *p_hwfn, u32 app_info_bitmap, u16 proto_id, bool ieee) { bool port; if (!p_hwfn->p_dcbx_info->iwarp_port) return false; if (ieee) port = ecore_dcbx_ieee_app_port(app_info_bitmap, DCBX_APP_SF_IEEE_TCP_PORT); else port = ecore_dcbx_app_port(app_info_bitmap); return !!(port && (proto_id == p_hwfn->p_dcbx_info->iwarp_port)); } static void ecore_dcbx_dp_protocol(struct ecore_hwfn *p_hwfn, struct ecore_dcbx_results *p_data) { enum dcbx_protocol_type id; int i; DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "DCBX negotiated: %d\n", p_data->dcbx_enabled); for (i = 0; i < OSAL_ARRAY_SIZE(ecore_dcbx_app_update); i++) { id = ecore_dcbx_app_update[i].id; DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "%s info: update %d, enable %d, prio %d, tc %d, num_active_tc %d dscp_enable = %d dscp_val = %d\n", ecore_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, p_data->arr[id].dscp_enable, p_data->arr[id].dscp_val); } } u8 ecore_dcbx_get_dscp_value(struct ecore_hwfn *p_hwfn, u8 pri) { struct ecore_dcbx_dscp_params *dscp = &p_hwfn->p_dcbx_info->get.dscp; u8 i; if (!dscp->enabled) return ECORE_DCBX_DSCP_DISABLED; for (i = 0; i < ECORE_DCBX_DSCP_SIZE; i++) if (pri == dscp->dscp_pri_map[i]) return i; return ECORE_DCBX_DSCP_DISABLED; } static void ecore_dcbx_set_params(struct ecore_dcbx_results *p_data, struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt, bool enable, u8 prio, u8 tc, enum dcbx_protocol_type type, enum ecore_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; p_data->arr[type].dscp_val = ecore_dcbx_get_dscp_value(p_hwfn, prio); if (p_data->arr[type].dscp_val == ECORE_DCBX_DSCP_DISABLED) { p_data->arr[type].dscp_enable = false; p_data->arr[type].dscp_val = 0; } else p_data->arr[type].dscp_enable = enable; p_data->arr[type].update = UPDATE_DCB_DSCP; /* Do not add valn tag 0 when DCB is enabled and port is in UFP mode */ if (OSAL_TEST_BIT(ECORE_MF_UFP_SPECIFIC, &p_hwfn->p_dev->mf_bits)) p_data->arr[type].dont_add_vlan0 = true; /* QM reconf data */ if (p_hwfn->hw_info.personality == personality) p_hwfn->hw_info.offload_tc = tc; /* Configure dcbx vlan priority in doorbell block for roce EDPM */ if (OSAL_TEST_BIT(ECORE_MF_UFP_SPECIFIC, &p_hwfn->p_dev->mf_bits) && (type == DCBX_PROTOCOL_ROCE)) { ecore_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 1); ecore_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 ecore_dcbx_update_app_info(struct ecore_dcbx_results *p_data, struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt, bool enable, u8 prio, u8 tc, enum dcbx_protocol_type type) { enum ecore_pci_personality personality; enum dcbx_protocol_type id; int i; for (i = 0; i < OSAL_ARRAY_SIZE(ecore_dcbx_app_update); i++) { id = ecore_dcbx_app_update[i].id; if (type != id) continue; personality = ecore_dcbx_app_update[i].personality; ecore_dcbx_set_params(p_data, p_hwfn, p_ptt, enable, prio, tc, type, personality); } } static enum _ecore_status_t ecore_dcbx_get_app_priority(u8 pri_bitmap, u8 *priority) { u32 pri_mask, pri = ECORE_MAX_PFC_PRIORITIES; u32 index = ECORE_MAX_PFC_PRIORITIES - 1; enum _ecore_status_t rc = ECORE_SUCCESS; /* Bitmap 1 corresponds to priority 0, return priority 0 */ if (pri_bitmap == 1) { *priority = 0; return rc; } /* Choose the highest priority */ while ((ECORE_MAX_PFC_PRIORITIES == pri) && index) { pri_mask = 1 << index; if (pri_bitmap & pri_mask) pri = index; index--; } if (pri < ECORE_MAX_PFC_PRIORITIES) *priority = (u8)pri; else rc = ECORE_INVAL; return rc; } static bool ecore_dcbx_get_app_protocol_type(struct ecore_hwfn *p_hwfn, u32 app_prio_bitmap, u16 id, enum dcbx_protocol_type *type, bool ieee) { if (ecore_dcbx_fcoe_tlv(app_prio_bitmap, id, ieee)) { *type = DCBX_PROTOCOL_FCOE; } else if (ecore_dcbx_roce_tlv(app_prio_bitmap, id, ieee)) { *type = DCBX_PROTOCOL_ROCE; } else if (ecore_dcbx_iscsi_tlv(app_prio_bitmap, id, ieee)) { *type = DCBX_PROTOCOL_ISCSI; } else if (ecore_dcbx_default_tlv(app_prio_bitmap, id, ieee)) { *type = DCBX_PROTOCOL_ETH; } else if (ecore_dcbx_roce_v2_tlv(app_prio_bitmap, id, ieee)) { *type = DCBX_PROTOCOL_ROCE_V2; } else if (ecore_dcbx_iwarp_tlv(p_hwfn, app_prio_bitmap, id, ieee)) { *type = DCBX_PROTOCOL_IWARP; } else { *type = DCBX_MAX_PROTOCOL_TYPE; DP_VERBOSE(p_hwfn, ECORE_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 enum _ecore_status_t ecore_dcbx_process_tlv(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt, struct ecore_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; u8 priority; enum _ecore_status_t rc = ECORE_SUCCESS; int i; DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "Num APP entries = %d pri_tc_tbl = 0x%x dcbx_version = %u\n", count, pri_tc_tbl, dcbx_version); ieee = (dcbx_version == DCBX_CONFIG_VERSION_IEEE); eth_tlv = false; /* Parse APP TLV */ for (i = 0; i < count; i++) { protocol_id = GET_MFW_FIELD(p_tbl[i].entry, DCBX_APP_PROTOCOL_ID); priority_map = GET_MFW_FIELD(p_tbl[i].entry, DCBX_APP_PRI_MAP); DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "Id = 0x%x pri_map = %u\n", protocol_id, priority_map); rc = ecore_dcbx_get_app_priority(priority_map, &priority); if (rc == ECORE_INVAL) { DP_ERR(p_hwfn, "Invalid priority\n"); return ECORE_INVAL; } tc = ECORE_DCBX_PRIO2TC(pri_tc_tbl, priority); if (ecore_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; ecore_dcbx_update_app_info(p_data, p_hwfn, p_ptt, enable, priority, tc, type); } } /* If Eth TLV is not detected, use UFP TC as default TC */ if (OSAL_TEST_BIT(ECORE_MF_UFP_SPECIFIC, &p_hwfn->p_dev->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; /* if no app tlv was present, don't override in FW */ ecore_dcbx_update_app_info(p_data, p_hwfn, p_ptt, false, priority, tc, type); } return ECORE_SUCCESS; } /* 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 enum _ecore_status_t ecore_dcbx_process_mib_info(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt) { struct dcbx_app_priority_feature *p_app; struct dcbx_app_priority_entry *p_tbl; struct ecore_dcbx_results data = { 0 }; struct dcbx_ets_feature *p_ets; struct ecore_hw_info *p_info; u32 pri_tc_tbl, flags; u8 dcbx_version; int num_entries; enum _ecore_status_t rc = ECORE_SUCCESS; flags = p_hwfn->p_dcbx_info->operational.flags; dcbx_version = GET_MFW_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 = GET_MFW_FIELD(p_app->flags, DCBX_APP_NUM_ENTRIES); rc = ecore_dcbx_process_tlv(p_hwfn, p_ptt, &data, p_tbl, pri_tc_tbl, num_entries, dcbx_version); if (rc != ECORE_SUCCESS) return rc; p_info->num_active_tc = GET_MFW_FIELD(p_ets->flags, DCBX_ETS_MAX_TCS); p_hwfn->qm_info.ooo_tc = GET_MFW_FIELD(p_ets->flags, DCBX_OOO_TC); data.pf_id = p_hwfn->rel_pf_id; data.dcbx_enabled = !!dcbx_version; ecore_dcbx_dp_protocol(p_hwfn, &data); OSAL_MEMCPY(&p_hwfn->p_dcbx_info->results, &data, sizeof(struct ecore_dcbx_results)); return ECORE_SUCCESS; } static enum _ecore_status_t ecore_dcbx_copy_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt, struct ecore_dcbx_mib_meta_data *p_data, enum ecore_mib_read_type type) { u32 prefix_seq_num, suffix_seq_num; int read_count = 0; enum _ecore_status_t rc = ECORE_SUCCESS; /* The data is considered to be valid only if both sequence numbers are * the same. */ do { if (type == ECORE_DCBX_REMOTE_LLDP_MIB) { ecore_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 if (type == ECORE_DCBX_LLDP_TLVS) { ecore_memcpy_from(p_hwfn, p_ptt, p_data->lldp_tlvs, p_data->addr, p_data->size); prefix_seq_num = p_data->lldp_tlvs->prefix_seq_num; suffix_seq_num = p_data->lldp_tlvs->suffix_seq_num; } else { ecore_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, ECORE_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 < ECORE_DCBX_MAX_MIB_READ_TRY)); if (read_count >= ECORE_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 = ECORE_IO; } return rc; } static void ecore_dcbx_get_priority_info(struct ecore_hwfn *p_hwfn, struct ecore_dcbx_app_prio *p_prio, struct ecore_dcbx_results *p_results) { u8 val; p_prio->roce = ECORE_DCBX_INVALID_PRIORITY; p_prio->roce_v2 = ECORE_DCBX_INVALID_PRIORITY; p_prio->iscsi = ECORE_DCBX_INVALID_PRIORITY; p_prio->fcoe = ECORE_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, ECORE_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 ecore_dcbx_get_app_data(struct ecore_hwfn *p_hwfn, struct dcbx_app_priority_feature *p_app, struct dcbx_app_priority_entry *p_tbl, struct ecore_dcbx_params *p_params, bool ieee) { struct ecore_app_entry *entry; u8 pri_map; int i; p_params->app_willing = GET_MFW_FIELD(p_app->flags, DCBX_APP_WILLING); p_params->app_valid = GET_MFW_FIELD(p_app->flags, DCBX_APP_ENABLED); p_params->app_error = GET_MFW_FIELD(p_app->flags, DCBX_APP_ERROR); p_params->num_app_entries = GET_MFW_FIELD(p_app->flags, DCBX_APP_NUM_ENTRIES); for (i = 0; i < p_params->num_app_entries; i++) { entry = &p_params->app_entry[i]; if (ieee) { u8 sf_ieee; u32 val; sf_ieee = GET_MFW_FIELD(p_tbl[i].entry, DCBX_APP_SF_IEEE); switch (sf_ieee) { case DCBX_APP_SF_IEEE_RESERVED: /* Old MFW */ val = GET_MFW_FIELD(p_tbl[i].entry, DCBX_APP_SF); entry->sf_ieee = val ? ECORE_DCBX_SF_IEEE_TCP_UDP_PORT : ECORE_DCBX_SF_IEEE_ETHTYPE; break; case DCBX_APP_SF_IEEE_ETHTYPE: entry->sf_ieee = ECORE_DCBX_SF_IEEE_ETHTYPE; break; case DCBX_APP_SF_IEEE_TCP_PORT: entry->sf_ieee = ECORE_DCBX_SF_IEEE_TCP_PORT; break; case DCBX_APP_SF_IEEE_UDP_PORT: entry->sf_ieee = ECORE_DCBX_SF_IEEE_UDP_PORT; break; case DCBX_APP_SF_IEEE_TCP_UDP_PORT: entry->sf_ieee = ECORE_DCBX_SF_IEEE_TCP_UDP_PORT; break; } } else { entry->ethtype = !(GET_MFW_FIELD(p_tbl[i].entry, DCBX_APP_SF)); } pri_map = GET_MFW_FIELD(p_tbl[i].entry, DCBX_APP_PRI_MAP); ecore_dcbx_get_app_priority(pri_map, &entry->prio); entry->proto_id = GET_MFW_FIELD(p_tbl[i].entry, DCBX_APP_PROTOCOL_ID); ecore_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry, entry->proto_id, &entry->proto_type, ieee); } DP_VERBOSE(p_hwfn, ECORE_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 ecore_dcbx_get_pfc_data(struct ecore_hwfn *p_hwfn, u32 pfc, struct ecore_dcbx_params *p_params) { u8 pfc_map; p_params->pfc.willing = GET_MFW_FIELD(pfc, DCBX_PFC_WILLING); p_params->pfc.max_tc = GET_MFW_FIELD(pfc, DCBX_PFC_CAPS); p_params->pfc.enabled = GET_MFW_FIELD(pfc, DCBX_PFC_ENABLED); pfc_map = GET_MFW_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, ECORE_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 ecore_dcbx_get_ets_data(struct ecore_hwfn *p_hwfn, struct dcbx_ets_feature *p_ets, struct ecore_dcbx_params *p_params) { u32 bw_map[2], tsa_map[2], pri_map; int i; p_params->ets_willing = GET_MFW_FIELD(p_ets->flags, DCBX_ETS_WILLING); p_params->ets_enabled = GET_MFW_FIELD(p_ets->flags, DCBX_ETS_ENABLED); p_params->ets_cbs = GET_MFW_FIELD(p_ets->flags, DCBX_ETS_CBS); p_params->max_ets_tc = GET_MFW_FIELD(p_ets->flags, DCBX_ETS_MAX_TCS); DP_VERBOSE(p_hwfn, ECORE_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 = ECORE_MAX_PFC_PRIORITIES; DP_VERBOSE(p_hwfn, ECORE_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. */ bw_map[0] = OSAL_BE32_TO_CPU(p_ets->tc_bw_tbl[0]); bw_map[1] = OSAL_BE32_TO_CPU(p_ets->tc_bw_tbl[1]); tsa_map[0] = OSAL_BE32_TO_CPU(p_ets->tc_tsa_tbl[0]); tsa_map[1] = OSAL_BE32_TO_CPU(p_ets->tc_tsa_tbl[1]); pri_map = p_ets->pri_tc_tbl[0]; for (i = 0; i < ECORE_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] = ECORE_DCBX_PRIO2TC(pri_map, i); DP_VERBOSE(p_hwfn, ECORE_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 ecore_dcbx_get_common_params(struct ecore_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 ecore_dcbx_params *p_params, bool ieee) { ecore_dcbx_get_app_data(p_hwfn, p_app, p_tbl, p_params, ieee); ecore_dcbx_get_ets_data(p_hwfn, p_ets, p_params); ecore_dcbx_get_pfc_data(p_hwfn, pfc, p_params); } static void ecore_dcbx_get_local_params(struct ecore_hwfn *p_hwfn, struct ecore_dcbx_get *params) { struct dcbx_features *p_feat; p_feat = &p_hwfn->p_dcbx_info->local_admin.features; ecore_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 ecore_dcbx_get_remote_params(struct ecore_hwfn *p_hwfn, struct ecore_dcbx_get *params) { struct dcbx_features *p_feat; p_feat = &p_hwfn->p_dcbx_info->remote.features; ecore_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 ecore_dcbx_get_dscp_params(struct ecore_hwfn *p_hwfn, struct ecore_dcbx_get *params) { struct ecore_dcbx_dscp_params *p_dscp; struct dcb_dscp_map *p_dscp_map; int i, j, entry; u32 pri_map; p_dscp = ¶ms->dscp; p_dscp_map = &p_hwfn->p_dcbx_info->dscp_map; p_dscp->enabled = GET_MFW_FIELD(p_dscp_map->flags, DCB_DSCP_ENABLE); /* MFW encodes 64 dscp entries into 8 element array of u32 entries, * where each entry holds the 4bit priority map for 8 dscp entries. */ for (i = 0, entry = 0; i < ECORE_DCBX_DSCP_SIZE / 8; i++) { pri_map = p_dscp_map->dscp_pri_map[i]; DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "elem %d pri_map 0x%x\n", entry, pri_map); for (j = 0; j < ECORE_DCBX_DSCP_SIZE / 8; j++, entry++) p_dscp->dscp_pri_map[entry] = (u32)(pri_map >> (j * 4)) & 0xf; } } static void ecore_dcbx_get_operational_params(struct ecore_hwfn *p_hwfn, struct ecore_dcbx_get *params) { struct ecore_dcbx_operational_params *p_operational; struct ecore_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 = !!(GET_MFW_FIELD(flags, DCBX_CONFIG_VERSION) != DCBX_CONFIG_VERSION_DISABLED); if (!enabled) { p_operational->enabled = enabled; p_operational->valid = false; DP_VERBOSE(p_hwfn, ECORE_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 = !!(GET_MFW_FIELD(flags, DCBX_CONFIG_VERSION) == DCBX_CONFIG_VERSION_IEEE); p_operational->ieee = val; val = !!(GET_MFW_FIELD(flags, DCBX_CONFIG_VERSION) == DCBX_CONFIG_VERSION_CEE); p_operational->cee = val; val = !!(GET_MFW_FIELD(flags, DCBX_CONFIG_VERSION) == DCBX_CONFIG_VERSION_STATIC); p_operational->local = val; DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "Version support: ieee %d, cee %d, static %d\n", p_operational->ieee, p_operational->cee, p_operational->local); ecore_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); ecore_dcbx_get_priority_info(p_hwfn, &p_operational->app_prio, p_results); err = GET_MFW_FIELD(p_feat->app.flags, DCBX_APP_ERROR); p_operational->err = err; p_operational->enabled = enabled; p_operational->valid = true; } static void ecore_dcbx_get_local_lldp_params(struct ecore_hwfn *p_hwfn, struct ecore_dcbx_get *params) { struct lldp_config_params_s *p_local; p_local = &p_hwfn->p_dcbx_info->lldp_local[LLDP_NEAREST_BRIDGE]; OSAL_MEMCPY(params->lldp_local.local_chassis_id, p_local->local_chassis_id, sizeof(params->lldp_local.local_chassis_id)); OSAL_MEMCPY(params->lldp_local.local_port_id, p_local->local_port_id, sizeof(params->lldp_local.local_port_id)); } static void ecore_dcbx_get_remote_lldp_params(struct ecore_hwfn *p_hwfn, struct ecore_dcbx_get *params) { struct lldp_status_params_s *p_remote; p_remote = &p_hwfn->p_dcbx_info->lldp_remote[LLDP_NEAREST_BRIDGE]; OSAL_MEMCPY(params->lldp_remote.peer_chassis_id, p_remote->peer_chassis_id, sizeof(params->lldp_remote.peer_chassis_id)); OSAL_MEMCPY(params->lldp_remote.peer_port_id, p_remote->peer_port_id, sizeof(params->lldp_remote.peer_port_id)); } static enum _ecore_status_t ecore_dcbx_get_params(struct ecore_hwfn *p_hwfn, struct ecore_dcbx_get *p_params, enum ecore_mib_read_type type) { switch (type) { case ECORE_DCBX_REMOTE_MIB: ecore_dcbx_get_remote_params(p_hwfn, p_params); break; case ECORE_DCBX_LOCAL_MIB: ecore_dcbx_get_local_params(p_hwfn, p_params); break; case ECORE_DCBX_OPERATIONAL_MIB: ecore_dcbx_get_operational_params(p_hwfn, p_params); break; case ECORE_DCBX_REMOTE_LLDP_MIB: ecore_dcbx_get_remote_lldp_params(p_hwfn, p_params); break; case ECORE_DCBX_LOCAL_LLDP_MIB: ecore_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 ECORE_INVAL; } return ECORE_SUCCESS; } static enum _ecore_status_t ecore_dcbx_read_local_lldp_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt) { struct ecore_dcbx_mib_meta_data data; enum _ecore_status_t rc = ECORE_SUCCESS; OSAL_MEM_ZERO(&data, 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); ecore_memcpy_from(p_hwfn, p_ptt, data.lldp_local, data.addr, data.size); return rc; } static enum _ecore_status_t ecore_dcbx_read_remote_lldp_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt, enum ecore_mib_read_type type) { struct ecore_dcbx_mib_meta_data data; enum _ecore_status_t rc = ECORE_SUCCESS; OSAL_MEM_ZERO(&data, 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 = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type); return rc; } static enum _ecore_status_t ecore_dcbx_read_operational_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt, enum ecore_mib_read_type type) { struct ecore_dcbx_mib_meta_data data; enum _ecore_status_t rc = ECORE_SUCCESS; OSAL_MEM_ZERO(&data, 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 = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type); return rc; } static enum _ecore_status_t ecore_dcbx_read_remote_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt, enum ecore_mib_read_type type) { struct ecore_dcbx_mib_meta_data data; enum _ecore_status_t rc = ECORE_SUCCESS; OSAL_MEM_ZERO(&data, 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 = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type); return rc; } static enum _ecore_status_t ecore_dcbx_read_local_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt) { struct ecore_dcbx_mib_meta_data data; enum _ecore_status_t rc = ECORE_SUCCESS; OSAL_MEM_ZERO(&data, 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); ecore_memcpy_from(p_hwfn, p_ptt, data.local_admin, data.addr, data.size); return rc; } static void ecore_dcbx_read_dscp_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt) { struct ecore_dcbx_mib_meta_data data; data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port, dcb_dscp_map); data.dscp_map = &p_hwfn->p_dcbx_info->dscp_map; data.size = sizeof(struct dcb_dscp_map); ecore_memcpy_from(p_hwfn, p_ptt, data.dscp_map, data.addr, data.size); } static enum _ecore_status_t ecore_dcbx_read_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt, enum ecore_mib_read_type type) { enum _ecore_status_t rc = ECORE_INVAL; switch (type) { case ECORE_DCBX_OPERATIONAL_MIB: ecore_dcbx_read_dscp_mib(p_hwfn, p_ptt); rc = ecore_dcbx_read_operational_mib(p_hwfn, p_ptt, type); break; case ECORE_DCBX_REMOTE_MIB: rc = ecore_dcbx_read_remote_mib(p_hwfn, p_ptt, type); break; case ECORE_DCBX_LOCAL_MIB: rc = ecore_dcbx_read_local_mib(p_hwfn, p_ptt); break; case ECORE_DCBX_REMOTE_LLDP_MIB: rc = ecore_dcbx_read_remote_lldp_mib(p_hwfn, p_ptt, type); break; case ECORE_DCBX_LOCAL_LLDP_MIB: rc = ecore_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; } /* * Read updated MIB. * Reconfigure QM and invoke PF update ramrod command if operational MIB * change is detected. */ enum _ecore_status_t ecore_dcbx_mib_update_event(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt, enum ecore_mib_read_type type) { enum _ecore_status_t rc = ECORE_SUCCESS; rc = ecore_dcbx_read_mib(p_hwfn, p_ptt, type); if (rc) return rc; if (type == ECORE_DCBX_OPERATIONAL_MIB) { ecore_dcbx_get_dscp_params(p_hwfn, &p_hwfn->p_dcbx_info->get); rc = ecore_dcbx_process_mib_info(p_hwfn, p_ptt); if (!rc) { /* reconfigure tcs of QM queues according * to negotiation results */ ecore_qm_reconf(p_hwfn, p_ptt); /* update storm FW with negotiation results */ ecore_sp_pf_update_dcbx(p_hwfn); #ifdef CONFIG_ECORE_ROCE /* for roce PFs, we may want to enable/disable DPM * when DCBx change occurs */ if (ECORE_IS_ROCE_PERSONALITY(p_hwfn)) ecore_roce_dpm_dcbx(p_hwfn, p_ptt); #endif } } ecore_dcbx_get_params(p_hwfn, &p_hwfn->p_dcbx_info->get, type); if (type == ECORE_DCBX_OPERATIONAL_MIB) { struct ecore_dcbx_results *p_data; u16 val; /* Update the DSCP to TC mapping enable bit if required */ if (p_hwfn->p_dcbx_info->dscp_nig_update) { u8 val = !!p_hwfn->p_dcbx_info->get.dscp.enabled; u32 addr = NIG_REG_DSCP_TO_TC_MAP_ENABLE; rc = ecore_all_ppfids_wr(p_hwfn, p_ptt, addr, val); if (rc != ECORE_SUCCESS) { DP_NOTICE(p_hwfn, false, "Failed to update the DSCP to TC mapping enable bit\n"); return rc; } p_hwfn->p_dcbx_info->dscp_nig_update = false; } /* 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; ecore_wr(p_hwfn, p_ptt, NIG_REG_TX_EDPM_CTRL, val); } OSAL_DCBX_AEN(p_hwfn, type); return rc; } enum _ecore_status_t ecore_dcbx_info_alloc(struct ecore_hwfn *p_hwfn) { #ifndef __EXTRACT__LINUX__ OSAL_BUILD_BUG_ON(ECORE_LLDP_CHASSIS_ID_STAT_LEN != LLDP_CHASSIS_ID_STAT_LEN); OSAL_BUILD_BUG_ON(ECORE_LLDP_PORT_ID_STAT_LEN != LLDP_PORT_ID_STAT_LEN); OSAL_BUILD_BUG_ON(ECORE_DCBX_MAX_APP_PROTOCOL != DCBX_MAX_APP_PROTOCOL); #endif p_hwfn->p_dcbx_info = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL, sizeof(*p_hwfn->p_dcbx_info)); if (!p_hwfn->p_dcbx_info) { DP_NOTICE(p_hwfn, false, "Failed to allocate `struct ecore_dcbx_info'"); return ECORE_NOMEM; } p_hwfn->p_dcbx_info->iwarp_port = p_hwfn->pf_params.rdma_pf_params.iwarp_port; return ECORE_SUCCESS; } void ecore_dcbx_info_free(struct ecore_hwfn *p_hwfn) { OSAL_FREE(p_hwfn->p_dev, p_hwfn->p_dcbx_info); p_hwfn->p_dcbx_info = OSAL_NULL; } static void ecore_dcbx_update_protocol_data(struct protocol_dcb_data *p_data, struct ecore_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->dscp_enable_flag = p_src->arr[type].dscp_enable; p_data->dscp_val = p_src->arr[type].dscp_val; p_data->dcb_dont_add_vlan0 = p_src->arr[type].dont_add_vlan0; } /* Set pf update ramrod command params */ void ecore_dcbx_set_pf_update_params(struct ecore_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; update_flag = p_src->arr[DCBX_PROTOCOL_IWARP].update; p_dest->update_iwarp_dcb_data_mode = update_flag; p_dcb_data = &p_dest->fcoe_dcb_data; ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_FCOE); p_dcb_data = &p_dest->roce_dcb_data; ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ROCE); p_dcb_data = &p_dest->rroce_dcb_data; ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ROCE_V2); p_dcb_data = &p_dest->iscsi_dcb_data; ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ISCSI); p_dcb_data = &p_dest->eth_dcb_data; ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ETH); p_dcb_data = &p_dest->iwarp_dcb_data; ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_IWARP); } enum _ecore_status_t ecore_dcbx_query_params(struct ecore_hwfn *p_hwfn, struct ecore_dcbx_get *p_get, enum ecore_mib_read_type type) { struct ecore_ptt *p_ptt; enum _ecore_status_t rc; if (IS_VF(p_hwfn->p_dev)) return ECORE_INVAL; p_ptt = ecore_ptt_acquire(p_hwfn); if (!p_ptt) return ECORE_TIMEOUT; rc = ecore_dcbx_read_mib(p_hwfn, p_ptt, type); if (rc != ECORE_SUCCESS) goto out; ecore_dcbx_get_dscp_params(p_hwfn, p_get); rc = ecore_dcbx_get_params(p_hwfn, p_get, type); out: ecore_ptt_release(p_hwfn, p_ptt); return rc; } static void ecore_dcbx_set_pfc_data(struct ecore_hwfn *p_hwfn, u32 *pfc, struct ecore_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_OFFSET; for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++) if (p_params->pfc.prio[i]) pfc_map |= (1 << i); *pfc &= ~DCBX_PFC_PRI_EN_BITMAP_MASK; *pfc |= (pfc_map << DCBX_PFC_PRI_EN_BITMAP_OFFSET); DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "pfc = 0x%x\n", *pfc); } static void ecore_dcbx_set_ets_data(struct ecore_hwfn *p_hwfn, struct dcbx_ets_feature *p_ets, struct ecore_dcbx_params *p_params) { u8 *bw_map, *tsa_map; 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_OFFSET; bw_map = (u8 *)&p_ets->tc_bw_tbl[0]; tsa_map = (u8 *)&p_ets->tc_tsa_tbl[0]; p_ets->pri_tc_tbl[0] = 0; for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++) { bw_map[i] = p_params->ets_tc_bw_tbl[i]; 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; } for (i = 0; i < 2; i++) { p_ets->tc_bw_tbl[i] = OSAL_CPU_TO_BE32(p_ets->tc_bw_tbl[i]); p_ets->tc_tsa_tbl[i] = OSAL_CPU_TO_BE32(p_ets->tc_tsa_tbl[i]); } DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "flags = 0x%x pri_tc = 0x%x tc_bwl[] = {0x%x, 0x%x} tc_tsa = {0x%x, 0x%x}\n", p_ets->flags, p_ets->pri_tc_tbl[0], p_ets->tc_bw_tbl[0], p_ets->tc_bw_tbl[1], p_ets->tc_tsa_tbl[0], p_ets->tc_tsa_tbl[1]); } static void ecore_dcbx_set_app_data(struct ecore_hwfn *p_hwfn, struct dcbx_app_priority_feature *p_app, struct ecore_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_OFFSET; for (i = 0; i < p_params->num_app_entries; 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 ECORE_DCBX_SF_IEEE_ETHTYPE: *entry |= ((u32)DCBX_APP_SF_IEEE_ETHTYPE << DCBX_APP_SF_IEEE_OFFSET); *entry |= ((u32)DCBX_APP_SF_ETHTYPE << DCBX_APP_SF_OFFSET); break; case ECORE_DCBX_SF_IEEE_TCP_PORT: *entry |= ((u32)DCBX_APP_SF_IEEE_TCP_PORT << DCBX_APP_SF_IEEE_OFFSET); *entry |= ((u32)DCBX_APP_SF_PORT << DCBX_APP_SF_OFFSET); break; case ECORE_DCBX_SF_IEEE_UDP_PORT: *entry |= ((u32)DCBX_APP_SF_IEEE_UDP_PORT << DCBX_APP_SF_IEEE_OFFSET); *entry |= ((u32)DCBX_APP_SF_PORT << DCBX_APP_SF_OFFSET); break; case ECORE_DCBX_SF_IEEE_TCP_UDP_PORT: *entry |= (u32)DCBX_APP_SF_IEEE_TCP_UDP_PORT << DCBX_APP_SF_IEEE_OFFSET; *entry |= ((u32)DCBX_APP_SF_PORT << DCBX_APP_SF_OFFSET); break; } } else { *entry &= ~DCBX_APP_SF_MASK; if (p_params->app_entry[i].ethtype) *entry |= ((u32)DCBX_APP_SF_ETHTYPE << DCBX_APP_SF_OFFSET); else *entry |= ((u32)DCBX_APP_SF_PORT << DCBX_APP_SF_OFFSET); } *entry &= ~DCBX_APP_PROTOCOL_ID_MASK; *entry |= ((u32)p_params->app_entry[i].proto_id << DCBX_APP_PROTOCOL_ID_OFFSET); *entry &= ~DCBX_APP_PRI_MAP_MASK; *entry |= ((u32)(1 << p_params->app_entry[i].prio) << DCBX_APP_PRI_MAP_OFFSET); } DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "flags = 0x%x\n", p_app->flags); } static void ecore_dcbx_set_local_params(struct ecore_hwfn *p_hwfn, struct dcbx_local_params *local_admin, struct ecore_dcbx_set *params) { bool ieee = false; local_admin->flags = 0; OSAL_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, ECORE_MSG_DCB, "Dcbx version = %d\n", local_admin->config); if (params->override_flags & ECORE_DCBX_OVERRIDE_PFC_CFG) ecore_dcbx_set_pfc_data(p_hwfn, &local_admin->features.pfc, ¶ms->config.params); if (params->override_flags & ECORE_DCBX_OVERRIDE_ETS_CFG) ecore_dcbx_set_ets_data(p_hwfn, &local_admin->features.ets, ¶ms->config.params); if (params->override_flags & ECORE_DCBX_OVERRIDE_APP_CFG) ecore_dcbx_set_app_data(p_hwfn, &local_admin->features.app, ¶ms->config.params, ieee); } static enum _ecore_status_t ecore_dcbx_set_dscp_params(struct ecore_hwfn *p_hwfn, struct dcb_dscp_map *p_dscp_map, struct ecore_dcbx_set *p_params) { int entry, i, j; u32 val; OSAL_MEMCPY(p_dscp_map, &p_hwfn->p_dcbx_info->dscp_map, sizeof(*p_dscp_map)); p_dscp_map->flags &= ~DCB_DSCP_ENABLE_MASK; if (p_params->dscp.enabled) p_dscp_map->flags |= DCB_DSCP_ENABLE_MASK; for (i = 0, entry = 0; i < 8; i++) { val = 0; for (j = 0; j < 8; j++, entry++) val |= (((u32)p_params->dscp.dscp_pri_map[entry]) << (j * 4)); p_dscp_map->dscp_pri_map[i] = val; } p_hwfn->p_dcbx_info->dscp_nig_update = true; DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "flags = 0x%x\n", p_dscp_map->flags); DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "pri_map[] = 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", p_dscp_map->dscp_pri_map[0], p_dscp_map->dscp_pri_map[1], p_dscp_map->dscp_pri_map[2], p_dscp_map->dscp_pri_map[3], p_dscp_map->dscp_pri_map[4], p_dscp_map->dscp_pri_map[5], p_dscp_map->dscp_pri_map[6], p_dscp_map->dscp_pri_map[7]); return ECORE_SUCCESS; } enum _ecore_status_t ecore_dcbx_config_params(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt, struct ecore_dcbx_set *params, bool hw_commit) { struct dcbx_local_params local_admin; struct ecore_dcbx_mib_meta_data data; struct dcb_dscp_map dscp_map; u32 resp = 0, param = 0; enum _ecore_status_t rc = ECORE_SUCCESS; OSAL_MEMCPY(&p_hwfn->p_dcbx_info->set, params, sizeof(p_hwfn->p_dcbx_info->set)); if (!hw_commit) return ECORE_SUCCESS; OSAL_MEMSET(&local_admin, 0, sizeof(local_admin)); ecore_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); ecore_memcpy_to(p_hwfn, p_ptt, data.addr, data.local_admin, data.size); if (params->override_flags & ECORE_DCBX_OVERRIDE_DSCP_CFG) { OSAL_MEMSET(&dscp_map, 0, sizeof(dscp_map)); ecore_dcbx_set_dscp_params(p_hwfn, &dscp_map, params); data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port, dcb_dscp_map); data.dscp_map = &dscp_map; data.size = sizeof(struct dcb_dscp_map); ecore_memcpy_to(p_hwfn, p_ptt, data.addr, data.dscp_map, data.size); } rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_DCBX, 1 << DRV_MB_PARAM_LLDP_SEND_OFFSET, &resp, ¶m); if (rc != ECORE_SUCCESS) DP_NOTICE(p_hwfn, false, "Failed to send DCBX update request\n"); return rc; } enum _ecore_status_t ecore_dcbx_get_config_params(struct ecore_hwfn *p_hwfn, struct ecore_dcbx_set *params) { struct ecore_dcbx_get *dcbx_info; enum _ecore_status_t rc; if (p_hwfn->p_dcbx_info->set.config.valid) { OSAL_MEMCPY(params, &p_hwfn->p_dcbx_info->set, sizeof(struct ecore_dcbx_set)); return ECORE_SUCCESS; } dcbx_info = OSAL_ALLOC(p_hwfn->p_dev, GFP_KERNEL, sizeof(*dcbx_info)); if (!dcbx_info) return ECORE_NOMEM; OSAL_MEMSET(dcbx_info, 0, sizeof(*dcbx_info)); rc = ecore_dcbx_query_params(p_hwfn, dcbx_info, ECORE_DCBX_OPERATIONAL_MIB); if (rc) { OSAL_FREE(p_hwfn->p_dev, 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; OSAL_MEMCPY(&p_hwfn->p_dcbx_info->set.dscp, &p_hwfn->p_dcbx_info->get.dscp, sizeof(struct ecore_dcbx_dscp_params)); OSAL_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; OSAL_MEMCPY(params, &p_hwfn->p_dcbx_info->set, sizeof(struct ecore_dcbx_set)); OSAL_FREE(p_hwfn->p_dev, dcbx_info); return ECORE_SUCCESS; } enum _ecore_status_t ecore_lldp_register_tlv(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt, enum ecore_lldp_agent agent, u8 tlv_type) { u32 mb_param = 0, mcp_resp = 0, mcp_param = 0, val = 0; enum _ecore_status_t rc = ECORE_SUCCESS; switch (agent) { case ECORE_LLDP_NEAREST_BRIDGE: val = LLDP_NEAREST_BRIDGE; break; case ECORE_LLDP_NEAREST_NON_TPMR_BRIDGE: val = LLDP_NEAREST_NON_TPMR_BRIDGE; break; case ECORE_LLDP_NEAREST_CUSTOMER_BRIDGE: val = LLDP_NEAREST_CUSTOMER_BRIDGE; break; default: DP_ERR(p_hwfn, "Invalid agent type %d\n", agent); return ECORE_INVAL; } SET_MFW_FIELD(mb_param, DRV_MB_PARAM_LLDP_AGENT, val); SET_MFW_FIELD(mb_param, DRV_MB_PARAM_LLDP_TLV_RX_TYPE, tlv_type); rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_REGISTER_LLDP_TLVS_RX, mb_param, &mcp_resp, &mcp_param); if (rc != ECORE_SUCCESS) DP_NOTICE(p_hwfn, false, "Failed to register TLV\n"); return rc; } enum _ecore_status_t ecore_lldp_mib_update_event(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt) { struct ecore_dcbx_mib_meta_data data; enum _ecore_status_t rc = ECORE_SUCCESS; struct lldp_received_tlvs_s tlvs; int i; for (i = 0; i < LLDP_MAX_LLDP_AGENTS; i++) { OSAL_MEM_ZERO(&data, sizeof(data)); data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port, lldp_received_tlvs[i]); data.lldp_tlvs = &tlvs; data.size = sizeof(tlvs); rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, ECORE_DCBX_LLDP_TLVS); if (rc != ECORE_SUCCESS) { DP_NOTICE(p_hwfn, false, "Failed to read lldp TLVs\n"); return rc; } if (!tlvs.length) continue; for (i = 0; i < MAX_TLV_BUFFER; i++) tlvs.tlvs_buffer[i] = OSAL_CPU_TO_BE32(tlvs.tlvs_buffer[i]); OSAL_LLDP_RX_TLVS(p_hwfn, tlvs.tlvs_buffer, tlvs.length); } return rc; } enum _ecore_status_t ecore_lldp_get_params(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt, struct ecore_lldp_config_params *p_params) { struct lldp_config_params_s lldp_params; u32 addr, val; int i; switch (p_params->agent) { case ECORE_LLDP_NEAREST_BRIDGE: val = LLDP_NEAREST_BRIDGE; break; case ECORE_LLDP_NEAREST_NON_TPMR_BRIDGE: val = LLDP_NEAREST_NON_TPMR_BRIDGE; break; case ECORE_LLDP_NEAREST_CUSTOMER_BRIDGE: val = LLDP_NEAREST_CUSTOMER_BRIDGE; break; default: DP_ERR(p_hwfn, "Invalid agent type %d\n", p_params->agent); return ECORE_INVAL; } addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port, lldp_config_params[val]); ecore_memcpy_from(p_hwfn, p_ptt, &lldp_params, addr, sizeof(lldp_params)); p_params->tx_interval = GET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_TX_INTERVAL); p_params->tx_hold = GET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_HOLD); p_params->tx_credit = GET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_MAX_CREDIT); p_params->rx_enable = GET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_ENABLE_RX); p_params->tx_enable = GET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_ENABLE_TX); OSAL_MEMCPY(p_params->chassis_id_tlv, lldp_params.local_chassis_id, sizeof(p_params->chassis_id_tlv)); for (i = 0; i < ECORE_LLDP_CHASSIS_ID_STAT_LEN; i++) p_params->chassis_id_tlv[i] = OSAL_BE32_TO_CPU(p_params->chassis_id_tlv[i]); OSAL_MEMCPY(p_params->port_id_tlv, lldp_params.local_port_id, sizeof(p_params->port_id_tlv)); for (i = 0; i < ECORE_LLDP_PORT_ID_STAT_LEN; i++) p_params->port_id_tlv[i] = OSAL_BE32_TO_CPU(p_params->port_id_tlv[i]); return ECORE_SUCCESS; } enum _ecore_status_t ecore_lldp_set_params(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt, struct ecore_lldp_config_params *p_params) { u32 mb_param = 0, mcp_resp = 0, mcp_param = 0; struct lldp_config_params_s lldp_params; enum _ecore_status_t rc = ECORE_SUCCESS; u32 addr, val; int i; switch (p_params->agent) { case ECORE_LLDP_NEAREST_BRIDGE: val = LLDP_NEAREST_BRIDGE; break; case ECORE_LLDP_NEAREST_NON_TPMR_BRIDGE: val = LLDP_NEAREST_NON_TPMR_BRIDGE; break; case ECORE_LLDP_NEAREST_CUSTOMER_BRIDGE: val = LLDP_NEAREST_CUSTOMER_BRIDGE; break; default: DP_ERR(p_hwfn, "Invalid agent type %d\n", p_params->agent); return ECORE_INVAL; } SET_MFW_FIELD(mb_param, DRV_MB_PARAM_LLDP_AGENT, val); addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port, lldp_config_params[val]); OSAL_MEMSET(&lldp_params, 0, sizeof(lldp_params)); SET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_TX_INTERVAL, p_params->tx_interval); SET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_HOLD, p_params->tx_hold); SET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_MAX_CREDIT, p_params->tx_credit); SET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_ENABLE_RX, !!p_params->rx_enable); SET_MFW_FIELD(lldp_params.config, LLDP_CONFIG_ENABLE_TX, !!p_params->tx_enable); for (i = 0; i < ECORE_LLDP_CHASSIS_ID_STAT_LEN; i++) p_params->chassis_id_tlv[i] = OSAL_CPU_TO_BE32(p_params->chassis_id_tlv[i]); OSAL_MEMCPY(lldp_params.local_chassis_id, p_params->chassis_id_tlv, sizeof(lldp_params.local_chassis_id)); for (i = 0; i < ECORE_LLDP_PORT_ID_STAT_LEN; i++) p_params->port_id_tlv[i] = OSAL_CPU_TO_BE32(p_params->port_id_tlv[i]); OSAL_MEMCPY(lldp_params.local_port_id, p_params->port_id_tlv, sizeof(lldp_params.local_port_id)); ecore_memcpy_to(p_hwfn, p_ptt, addr, &lldp_params, sizeof(lldp_params)); rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LLDP, mb_param, &mcp_resp, &mcp_param); if (rc != ECORE_SUCCESS) DP_NOTICE(p_hwfn, false, "SET_LLDP failed, error = %d\n", rc); return rc; } enum _ecore_status_t ecore_lldp_set_system_tlvs(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt, struct ecore_lldp_sys_tlvs *p_params) { u32 mb_param = 0, mcp_resp = 0, mcp_param = 0; enum _ecore_status_t rc = ECORE_SUCCESS; struct lldp_system_tlvs_buffer_s lld_tlv_buf; u32 addr, *p_val; u8 len; int i; p_val = (u32 *)p_params->buf; for (i = 0; i < ECORE_LLDP_SYS_TLV_SIZE / 4; i++) p_val[i] = OSAL_CPU_TO_BE32(p_val[i]); OSAL_MEMSET(&lld_tlv_buf, 0, sizeof(lld_tlv_buf)); SET_MFW_FIELD(lld_tlv_buf.flags, LLDP_SYSTEM_TLV_VALID, 1); SET_MFW_FIELD(lld_tlv_buf.flags, LLDP_SYSTEM_TLV_MANDATORY, !!p_params->discard_mandatory_tlv); SET_MFW_FIELD(lld_tlv_buf.flags, LLDP_SYSTEM_TLV_LENGTH, p_params->buf_size); len = ECORE_LLDP_SYS_TLV_SIZE / 2; OSAL_MEMCPY(lld_tlv_buf.data, p_params->buf, len); addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port, system_lldp_tlvs_buf); ecore_memcpy_to(p_hwfn, p_ptt, addr, &lld_tlv_buf, sizeof(lld_tlv_buf)); if (p_params->buf_size > len) { addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port, system_lldp_tlvs_buf2); ecore_memcpy_to(p_hwfn, p_ptt, addr, &p_params->buf[len], ECORE_LLDP_SYS_TLV_SIZE / 2); } rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LLDP, mb_param, &mcp_resp, &mcp_param); if (rc != ECORE_SUCCESS) DP_NOTICE(p_hwfn, false, "SET_LLDP failed, error = %d\n", rc); return rc; } enum _ecore_status_t ecore_dcbx_get_dscp_priority(struct ecore_hwfn *p_hwfn, u8 dscp_index, u8 *p_dscp_pri) { struct ecore_dcbx_get *p_dcbx_info; enum _ecore_status_t rc; if (dscp_index >= ECORE_DCBX_DSCP_SIZE) { DP_ERR(p_hwfn, "Invalid dscp index %d\n", dscp_index); return ECORE_INVAL; } p_dcbx_info = OSAL_ALLOC(p_hwfn->p_dev, GFP_KERNEL, sizeof(*p_dcbx_info)); if (!p_dcbx_info) return ECORE_NOMEM; OSAL_MEMSET(p_dcbx_info, 0, sizeof(*p_dcbx_info)); rc = ecore_dcbx_query_params(p_hwfn, p_dcbx_info, ECORE_DCBX_OPERATIONAL_MIB); if (rc) { OSAL_FREE(p_hwfn->p_dev, p_dcbx_info); return rc; } *p_dscp_pri = p_dcbx_info->dscp.dscp_pri_map[dscp_index]; OSAL_FREE(p_hwfn->p_dev, p_dcbx_info); return ECORE_SUCCESS; } enum _ecore_status_t ecore_dcbx_set_dscp_priority(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt, u8 dscp_index, u8 pri_val) { struct ecore_dcbx_set dcbx_set; enum _ecore_status_t rc; if (dscp_index >= ECORE_DCBX_DSCP_SIZE || pri_val >= ECORE_MAX_PFC_PRIORITIES) { DP_ERR(p_hwfn, "Invalid dscp params: index = %d pri = %d\n", dscp_index, pri_val); return ECORE_INVAL; } OSAL_MEMSET(&dcbx_set, 0, sizeof(dcbx_set)); rc = ecore_dcbx_get_config_params(p_hwfn, &dcbx_set); if (rc) return rc; dcbx_set.override_flags = ECORE_DCBX_OVERRIDE_DSCP_CFG; dcbx_set.dscp.dscp_pri_map[dscp_index] = pri_val; return ecore_dcbx_config_params(p_hwfn, p_ptt, &dcbx_set, 1); } enum _ecore_status_t ecore_lldp_get_stats(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt, struct ecore_lldp_stats *p_params) { u32 mcp_resp = 0, mcp_param = 0, addr, val; struct lldp_stats_stc lldp_stats; enum _ecore_status_t rc; switch (p_params->agent) { case ECORE_LLDP_NEAREST_BRIDGE: val = LLDP_NEAREST_BRIDGE; break; case ECORE_LLDP_NEAREST_NON_TPMR_BRIDGE: val = LLDP_NEAREST_NON_TPMR_BRIDGE; break; case ECORE_LLDP_NEAREST_CUSTOMER_BRIDGE: val = LLDP_NEAREST_CUSTOMER_BRIDGE; break; default: DP_ERR(p_hwfn, "Invalid agent type %d\n", p_params->agent); return ECORE_INVAL; } rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_GET_LLDP_STATS, val << DRV_MB_PARAM_LLDP_STATS_AGENT_OFFSET, &mcp_resp, &mcp_param); if (rc != ECORE_SUCCESS) { DP_ERR(p_hwfn, "GET_LLDP_STATS failed, error = %d\n", rc); return rc; } addr = p_hwfn->mcp_info->drv_mb_addr + OFFSETOF(struct public_drv_mb, union_data); ecore_memcpy_from(p_hwfn, p_ptt, &lldp_stats, addr, sizeof(lldp_stats)); p_params->tx_frames = lldp_stats.tx_frames_total; p_params->rx_frames = lldp_stats.rx_frames_total; p_params->rx_discards = lldp_stats.rx_frames_discarded; p_params->rx_age_outs = lldp_stats.rx_age_outs; return ECORE_SUCCESS; }