| /* QLogic qed NIC Driver |
| * Copyright (c) 2015-2017 QLogic Corporation |
| * |
| * This software is available to you under a choice of one of two |
| * licenses. You may choose to be licensed under the terms of the GNU |
| * General Public License (GPL) Version 2, available from the file |
| * COPYING in the main directory of this source tree, or the |
| * OpenIB.org BSD license below: |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer. |
| * |
| * - 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. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| |
| #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; |
| |
| /* Do not add vlan tag 0 when DCB is enabled and port in UFP/OV mode */ |
| if ((test_bit(QED_MF_8021Q_TAGGING, &p_hwfn->cdev->mf_bits) || |
| test_bit(QED_MF_8021AD_TAGGING, &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) |
| { |
| u32 bw_map[2], tsa_map[2], 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. |
| */ |
| bw_map[0] = be32_to_cpu(p_ets->tc_bw_tbl[0]); |
| bw_map[1] = be32_to_cpu(p_ets->tc_bw_tbl[1]); |
| tsa_map[0] = be32_to_cpu(p_ets->tc_tsa_tbl[0]); |
| tsa_map[1] = be32_to_cpu(p_ets->tc_tsa_tbl[1]); |
| 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) |
| { |
| 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_SHIFT; |
| |
| 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 < QED_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] = cpu_to_be32(p_ets->tc_bw_tbl[i]); |
| p_ets->tc_tsa_tbl[i] = cpu_to_be32(p_ets->tc_tsa_tbl[i]); |
| } |
| } |
| |
| 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; |
| memcpy(&p_hwfn->p_dcbx_info->set.config.params, |
| &dcbx_info->operational.params, |
| sizeof(struct qed_dcbx_admin_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 |