| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Sudarsana Reddy Kalluru | 10836 | 88.62% | 30 | 44.78% |
| Yuval Mintz | 974 | 7.97% | 9 | 13.43% |
| Manish Chopra | 130 | 1.06% | 7 | 10.45% |
| Denis Bolotin | 91 | 0.74% | 3 | 4.48% |
| Arun Easi | 81 | 0.66% | 1 | 1.49% |
| Alexander Lobakin | 42 | 0.34% | 3 | 4.48% |
| Kees Cook | 29 | 0.24% | 1 | 1.49% |
| Ariel Elior | 17 | 0.14% | 1 | 1.49% |
| Tomer Tayar | 8 | 0.07% | 3 | 4.48% |
| Michal Kalderon | 4 | 0.03% | 2 | 2.99% |
| Baoyou Xie | 4 | 0.03% | 1 | 1.49% |
| Dan Carpenter | 3 | 0.02% | 1 | 1.49% |
| Ram Amrani | 3 | 0.02% | 1 | 1.49% |
| Hui Wang | 2 | 0.02% | 1 | 1.49% |
| Fengguang Wu | 1 | 0.01% | 1 | 1.49% |
| Yue haibing | 1 | 0.01% | 1 | 1.49% |
| Colin Ian King | 1 | 0.01% | 1 | 1.49% |
| Total | 12227 | 67 |
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) /* QLogic qed NIC Driver * Copyright (c) 2015-2017 QLogic Corporation * Copyright (c) 2019-2020 Marvell International Ltd. */ #include <linux/types.h> #include <asm/byteorder.h> #include <linux/bitops.h> #include <linux/dcbnl.h> #include <linux/errno.h> #include <linux/kernel.h> #include <linux/slab.h> #include <linux/string.h> #include "qed.h" #include "qed_cxt.h" #include "qed_dcbx.h" #include "qed_hsi.h" #include "qed_sp.h" #include "qed_sriov.h" #include "qed_rdma.h" #ifdef CONFIG_DCB #include <linux/qed/qed_eth_if.h> #endif #define QED_DCBX_MAX_MIB_READ_TRY (100) #define QED_ETH_TYPE_DEFAULT (0) #define QED_ETH_TYPE_ROCE (0x8915) #define QED_UDP_PORT_TYPE_ROCE_V2 (0x12B7) #define QED_ETH_TYPE_FCOE (0x8906) #define QED_TCP_PORT_ISCSI (0xCBC) #define QED_DCBX_INVALID_PRIORITY 0xFF /* Get Traffic Class from priority traffic class table, 4 bits represent * the traffic class corresponding to the priority. */ #define QED_DCBX_PRIO2TC(prio_tc_tbl, prio) \ ((u32)(prio_tc_tbl >> ((7 - prio) * 4)) & 0x7) static const struct qed_dcbx_app_metadata qed_dcbx_app_update[] = { {DCBX_PROTOCOL_ISCSI, "ISCSI", QED_PCI_ISCSI}, {DCBX_PROTOCOL_FCOE, "FCOE", QED_PCI_FCOE}, {DCBX_PROTOCOL_ROCE, "ROCE", QED_PCI_ETH_ROCE}, {DCBX_PROTOCOL_ROCE_V2, "ROCE_V2", QED_PCI_ETH_ROCE}, {DCBX_PROTOCOL_ETH, "ETH", QED_PCI_ETH}, }; static bool qed_dcbx_app_ethtype(u32 app_info_bitmap) { return !!(QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) == DCBX_APP_SF_ETHTYPE); } static bool qed_dcbx_ieee_app_ethtype(u32 app_info_bitmap) { u8 mfw_val = QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE); /* Old MFW */ if (mfw_val == DCBX_APP_SF_IEEE_RESERVED) return qed_dcbx_app_ethtype(app_info_bitmap); return !!(mfw_val == DCBX_APP_SF_IEEE_ETHTYPE); } static bool qed_dcbx_app_port(u32 app_info_bitmap) { return !!(QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) == DCBX_APP_SF_PORT); } static bool qed_dcbx_ieee_app_port(u32 app_info_bitmap, u8 type) { u8 mfw_val = QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE); /* Old MFW */ if (mfw_val == DCBX_APP_SF_IEEE_RESERVED) return qed_dcbx_app_port(app_info_bitmap); return !!(mfw_val == type || mfw_val == DCBX_APP_SF_IEEE_TCP_UDP_PORT); } static bool qed_dcbx_default_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee) { bool ethtype; if (ieee) ethtype = qed_dcbx_ieee_app_ethtype(app_info_bitmap); else ethtype = qed_dcbx_app_ethtype(app_info_bitmap); return !!(ethtype && (proto_id == QED_ETH_TYPE_DEFAULT)); } static bool qed_dcbx_iscsi_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee) { bool port; if (ieee) port = qed_dcbx_ieee_app_port(app_info_bitmap, DCBX_APP_SF_IEEE_TCP_PORT); else port = qed_dcbx_app_port(app_info_bitmap); return !!(port && (proto_id == QED_TCP_PORT_ISCSI)); } static bool qed_dcbx_fcoe_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee) { bool ethtype; if (ieee) ethtype = qed_dcbx_ieee_app_ethtype(app_info_bitmap); else ethtype = qed_dcbx_app_ethtype(app_info_bitmap); return !!(ethtype && (proto_id == QED_ETH_TYPE_FCOE)); } static bool qed_dcbx_roce_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee) { bool ethtype; if (ieee) ethtype = qed_dcbx_ieee_app_ethtype(app_info_bitmap); else ethtype = qed_dcbx_app_ethtype(app_info_bitmap); return !!(ethtype && (proto_id == QED_ETH_TYPE_ROCE)); } static bool qed_dcbx_roce_v2_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee) { bool port; if (ieee) port = qed_dcbx_ieee_app_port(app_info_bitmap, DCBX_APP_SF_IEEE_UDP_PORT); else port = qed_dcbx_app_port(app_info_bitmap); return !!(port && (proto_id == QED_UDP_PORT_TYPE_ROCE_V2)); } static void qed_dcbx_dp_protocol(struct qed_hwfn *p_hwfn, struct qed_dcbx_results *p_data) { enum dcbx_protocol_type id; int i; DP_VERBOSE(p_hwfn, QED_MSG_DCB, "DCBX negotiated: %d\n", p_data->dcbx_enabled); for (i = 0; i < ARRAY_SIZE(qed_dcbx_app_update); i++) { id = qed_dcbx_app_update[i].id; DP_VERBOSE(p_hwfn, QED_MSG_DCB, "%s info: update %d, enable %d, prio %d, tc %d, num_tc %d\n", qed_dcbx_app_update[i].name, p_data->arr[id].update, p_data->arr[id].enable, p_data->arr[id].priority, p_data->arr[id].tc, p_hwfn->hw_info.num_active_tc); } } static void qed_dcbx_set_params(struct qed_dcbx_results *p_data, struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool app_tlv, bool enable, u8 prio, u8 tc, enum dcbx_protocol_type type, enum qed_pci_personality personality) { /* PF update ramrod data */ p_data->arr[type].enable = enable; p_data->arr[type].priority = prio; p_data->arr[type].tc = tc; if (enable) p_data->arr[type].update = UPDATE_DCB; else p_data->arr[type].update = DONT_UPDATE_DCB_DSCP; if (test_bit(QED_MF_DONT_ADD_VLAN0_TAG, &p_hwfn->cdev->mf_bits)) p_data->arr[type].dont_add_vlan0 = true; /* QM reconf data */ if (app_tlv && p_hwfn->hw_info.personality == personality) qed_hw_info_set_offload_tc(&p_hwfn->hw_info, tc); /* Configure dcbx vlan priority in doorbell block for roce EDPM */ if (test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits) && type == DCBX_PROTOCOL_ROCE) { qed_wr(p_hwfn, p_ptt, DORQ_REG_TAG1_OVRD_MODE, 1); qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_PCP_BB_K2, prio << 1); } } /* Update app protocol data and hw_info fields with the TLV info */ static void qed_dcbx_update_app_info(struct qed_dcbx_results *p_data, struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool app_tlv, bool enable, u8 prio, u8 tc, enum dcbx_protocol_type type) { enum qed_pci_personality personality; enum dcbx_protocol_type id; int i; for (i = 0; i < ARRAY_SIZE(qed_dcbx_app_update); i++) { id = qed_dcbx_app_update[i].id; if (type != id) continue; personality = qed_dcbx_app_update[i].personality; qed_dcbx_set_params(p_data, p_hwfn, p_ptt, app_tlv, enable, prio, tc, type, personality); } } static bool qed_dcbx_get_app_protocol_type(struct qed_hwfn *p_hwfn, u32 app_prio_bitmap, u16 id, enum dcbx_protocol_type *type, bool ieee) { if (qed_dcbx_fcoe_tlv(app_prio_bitmap, id, ieee)) { *type = DCBX_PROTOCOL_FCOE; } else if (qed_dcbx_roce_tlv(app_prio_bitmap, id, ieee)) { *type = DCBX_PROTOCOL_ROCE; } else if (qed_dcbx_iscsi_tlv(app_prio_bitmap, id, ieee)) { *type = DCBX_PROTOCOL_ISCSI; } else if (qed_dcbx_default_tlv(app_prio_bitmap, id, ieee)) { *type = DCBX_PROTOCOL_ETH; } else if (qed_dcbx_roce_v2_tlv(app_prio_bitmap, id, ieee)) { *type = DCBX_PROTOCOL_ROCE_V2; } else { *type = DCBX_MAX_PROTOCOL_TYPE; DP_VERBOSE(p_hwfn, QED_MSG_DCB, "No action required, App TLV entry = 0x%x\n", app_prio_bitmap); return false; } return true; } /* Parse app TLV's to update TC information in hw_info structure for * reconfiguring QM. Get protocol specific data for PF update ramrod command. */ static int qed_dcbx_process_tlv(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct qed_dcbx_results *p_data, struct dcbx_app_priority_entry *p_tbl, u32 pri_tc_tbl, int count, u8 dcbx_version) { enum dcbx_protocol_type type; bool enable, ieee, eth_tlv; u8 tc, priority_map; u16 protocol_id; int priority; int i; DP_VERBOSE(p_hwfn, QED_MSG_DCB, "Num APP entries = %d\n", count); ieee = (dcbx_version == DCBX_CONFIG_VERSION_IEEE); eth_tlv = false; /* Parse APP TLV */ for (i = 0; i < count; i++) { protocol_id = QED_MFW_GET_FIELD(p_tbl[i].entry, DCBX_APP_PROTOCOL_ID); priority_map = QED_MFW_GET_FIELD(p_tbl[i].entry, DCBX_APP_PRI_MAP); priority = ffs(priority_map) - 1; if (priority < 0) { DP_ERR(p_hwfn, "Invalid priority\n"); return -EINVAL; } tc = QED_DCBX_PRIO2TC(pri_tc_tbl, priority); if (qed_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry, protocol_id, &type, ieee)) { /* ETH always have the enable bit reset, as it gets * vlan information per packet. For other protocols, * should be set according to the dcbx_enabled * indication, but we only got here if there was an * app tlv for the protocol, so dcbx must be enabled. */ if (type == DCBX_PROTOCOL_ETH) { enable = false; eth_tlv = true; } else { enable = true; } qed_dcbx_update_app_info(p_data, p_hwfn, p_ptt, true, enable, priority, tc, type); } } /* If Eth TLV is not detected, use UFP TC as default TC */ if (test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits) && !eth_tlv) p_data->arr[DCBX_PROTOCOL_ETH].tc = p_hwfn->ufp_info.tc; /* Update ramrod protocol data and hw_info fields * with default info when corresponding APP TLV's are not detected. * The enabled field has a different logic for ethernet as only for * ethernet dcb should disabled by default, as the information arrives * from the OS (unless an explicit app tlv was present). */ tc = p_data->arr[DCBX_PROTOCOL_ETH].tc; priority = p_data->arr[DCBX_PROTOCOL_ETH].priority; for (type = 0; type < DCBX_MAX_PROTOCOL_TYPE; type++) { if (p_data->arr[type].update) continue; enable = (type == DCBX_PROTOCOL_ETH) ? false : !!dcbx_version; qed_dcbx_update_app_info(p_data, p_hwfn, p_ptt, false, enable, priority, tc, type); } return 0; } /* Parse app TLV's to update TC information in hw_info structure for * reconfiguring QM. Get protocol specific data for PF update ramrod command. */ static int qed_dcbx_process_mib_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct dcbx_app_priority_feature *p_app; struct dcbx_app_priority_entry *p_tbl; struct qed_dcbx_results data = { 0 }; struct dcbx_ets_feature *p_ets; struct qed_hw_info *p_info; u32 pri_tc_tbl, flags; u8 dcbx_version; int num_entries; int rc = 0; flags = p_hwfn->p_dcbx_info->operational.flags; dcbx_version = QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION); p_app = &p_hwfn->p_dcbx_info->operational.features.app; p_tbl = p_app->app_pri_tbl; p_ets = &p_hwfn->p_dcbx_info->operational.features.ets; pri_tc_tbl = p_ets->pri_tc_tbl[0]; p_info = &p_hwfn->hw_info; num_entries = QED_MFW_GET_FIELD(p_app->flags, DCBX_APP_NUM_ENTRIES); rc = qed_dcbx_process_tlv(p_hwfn, p_ptt, &data, p_tbl, pri_tc_tbl, num_entries, dcbx_version); if (rc) return rc; p_info->num_active_tc = QED_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_MAX_TCS); p_hwfn->qm_info.ooo_tc = QED_MFW_GET_FIELD(p_ets->flags, DCBX_OOO_TC); data.pf_id = p_hwfn->rel_pf_id; data.dcbx_enabled = !!dcbx_version; qed_dcbx_dp_protocol(p_hwfn, &data); memcpy(&p_hwfn->p_dcbx_info->results, &data, sizeof(struct qed_dcbx_results)); return 0; } static int qed_dcbx_copy_mib(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct qed_dcbx_mib_meta_data *p_data, enum qed_mib_read_type type) { u32 prefix_seq_num, suffix_seq_num; int read_count = 0; int rc = 0; /* The data is considered to be valid only if both sequence numbers are * the same. */ do { if (type == QED_DCBX_REMOTE_LLDP_MIB) { qed_memcpy_from(p_hwfn, p_ptt, p_data->lldp_remote, p_data->addr, p_data->size); prefix_seq_num = p_data->lldp_remote->prefix_seq_num; suffix_seq_num = p_data->lldp_remote->suffix_seq_num; } else { qed_memcpy_from(p_hwfn, p_ptt, p_data->mib, p_data->addr, p_data->size); prefix_seq_num = p_data->mib->prefix_seq_num; suffix_seq_num = p_data->mib->suffix_seq_num; } read_count++; DP_VERBOSE(p_hwfn, QED_MSG_DCB, "mib type = %d, try count = %d prefix seq num = %d suffix seq num = %d\n", type, read_count, prefix_seq_num, suffix_seq_num); } while ((prefix_seq_num != suffix_seq_num) && (read_count < QED_DCBX_MAX_MIB_READ_TRY)); if (read_count >= QED_DCBX_MAX_MIB_READ_TRY) { DP_ERR(p_hwfn, "MIB read err, mib type = %d, try count = %d prefix seq num = %d suffix seq num = %d\n", type, read_count, prefix_seq_num, suffix_seq_num); rc = -EIO; } return rc; } static void qed_dcbx_get_priority_info(struct qed_hwfn *p_hwfn, struct qed_dcbx_app_prio *p_prio, struct qed_dcbx_results *p_results) { u8 val; p_prio->roce = QED_DCBX_INVALID_PRIORITY; p_prio->roce_v2 = QED_DCBX_INVALID_PRIORITY; p_prio->iscsi = QED_DCBX_INVALID_PRIORITY; p_prio->fcoe = QED_DCBX_INVALID_PRIORITY; if (p_results->arr[DCBX_PROTOCOL_ROCE].update && p_results->arr[DCBX_PROTOCOL_ROCE].enable) p_prio->roce = p_results->arr[DCBX_PROTOCOL_ROCE].priority; if (p_results->arr[DCBX_PROTOCOL_ROCE_V2].update && p_results->arr[DCBX_PROTOCOL_ROCE_V2].enable) { val = p_results->arr[DCBX_PROTOCOL_ROCE_V2].priority; p_prio->roce_v2 = val; } if (p_results->arr[DCBX_PROTOCOL_ISCSI].update && p_results->arr[DCBX_PROTOCOL_ISCSI].enable) p_prio->iscsi = p_results->arr[DCBX_PROTOCOL_ISCSI].priority; if (p_results->arr[DCBX_PROTOCOL_FCOE].update && p_results->arr[DCBX_PROTOCOL_FCOE].enable) p_prio->fcoe = p_results->arr[DCBX_PROTOCOL_FCOE].priority; if (p_results->arr[DCBX_PROTOCOL_ETH].update && p_results->arr[DCBX_PROTOCOL_ETH].enable) p_prio->eth = p_results->arr[DCBX_PROTOCOL_ETH].priority; DP_VERBOSE(p_hwfn, QED_MSG_DCB, "Priorities: iscsi %d, roce %d, roce v2 %d, fcoe %d, eth %d\n", p_prio->iscsi, p_prio->roce, p_prio->roce_v2, p_prio->fcoe, p_prio->eth); } static void qed_dcbx_get_app_data(struct qed_hwfn *p_hwfn, struct dcbx_app_priority_feature *p_app, struct dcbx_app_priority_entry *p_tbl, struct qed_dcbx_params *p_params, bool ieee) { struct qed_app_entry *entry; u8 pri_map; int i; p_params->app_willing = QED_MFW_GET_FIELD(p_app->flags, DCBX_APP_WILLING); p_params->app_valid = QED_MFW_GET_FIELD(p_app->flags, DCBX_APP_ENABLED); p_params->app_error = QED_MFW_GET_FIELD(p_app->flags, DCBX_APP_ERROR); p_params->num_app_entries = QED_MFW_GET_FIELD(p_app->flags, DCBX_APP_NUM_ENTRIES); for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) { entry = &p_params->app_entry[i]; if (ieee) { u8 sf_ieee; u32 val; sf_ieee = QED_MFW_GET_FIELD(p_tbl[i].entry, DCBX_APP_SF_IEEE); switch (sf_ieee) { case DCBX_APP_SF_IEEE_RESERVED: /* Old MFW */ val = QED_MFW_GET_FIELD(p_tbl[i].entry, DCBX_APP_SF); entry->sf_ieee = val ? QED_DCBX_SF_IEEE_TCP_UDP_PORT : QED_DCBX_SF_IEEE_ETHTYPE; break; case DCBX_APP_SF_IEEE_ETHTYPE: entry->sf_ieee = QED_DCBX_SF_IEEE_ETHTYPE; break; case DCBX_APP_SF_IEEE_TCP_PORT: entry->sf_ieee = QED_DCBX_SF_IEEE_TCP_PORT; break; case DCBX_APP_SF_IEEE_UDP_PORT: entry->sf_ieee = QED_DCBX_SF_IEEE_UDP_PORT; break; case DCBX_APP_SF_IEEE_TCP_UDP_PORT: entry->sf_ieee = QED_DCBX_SF_IEEE_TCP_UDP_PORT; break; } } else { entry->ethtype = !(QED_MFW_GET_FIELD(p_tbl[i].entry, DCBX_APP_SF)); } pri_map = QED_MFW_GET_FIELD(p_tbl[i].entry, DCBX_APP_PRI_MAP); entry->prio = ffs(pri_map) - 1; entry->proto_id = QED_MFW_GET_FIELD(p_tbl[i].entry, DCBX_APP_PROTOCOL_ID); qed_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry, entry->proto_id, &entry->proto_type, ieee); } DP_VERBOSE(p_hwfn, QED_MSG_DCB, "APP params: willing %d, valid %d error = %d\n", p_params->app_willing, p_params->app_valid, p_params->app_error); } static void qed_dcbx_get_pfc_data(struct qed_hwfn *p_hwfn, u32 pfc, struct qed_dcbx_params *p_params) { u8 pfc_map; p_params->pfc.willing = QED_MFW_GET_FIELD(pfc, DCBX_PFC_WILLING); p_params->pfc.max_tc = QED_MFW_GET_FIELD(pfc, DCBX_PFC_CAPS); p_params->pfc.enabled = QED_MFW_GET_FIELD(pfc, DCBX_PFC_ENABLED); pfc_map = QED_MFW_GET_FIELD(pfc, DCBX_PFC_PRI_EN_BITMAP); p_params->pfc.prio[0] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_0); p_params->pfc.prio[1] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_1); p_params->pfc.prio[2] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_2); p_params->pfc.prio[3] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_3); p_params->pfc.prio[4] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_4); p_params->pfc.prio[5] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_5); p_params->pfc.prio[6] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_6); p_params->pfc.prio[7] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_7); DP_VERBOSE(p_hwfn, QED_MSG_DCB, "PFC params: willing %d, pfc_bitmap %u max_tc = %u enabled = %d\n", p_params->pfc.willing, pfc_map, p_params->pfc.max_tc, p_params->pfc.enabled); } static void qed_dcbx_get_ets_data(struct qed_hwfn *p_hwfn, struct dcbx_ets_feature *p_ets, struct qed_dcbx_params *p_params) { __be32 bw_map[2], tsa_map[2]; u32 pri_map; int i; p_params->ets_willing = QED_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_WILLING); p_params->ets_enabled = QED_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_ENABLED); p_params->ets_cbs = QED_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_CBS); p_params->max_ets_tc = QED_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_MAX_TCS); DP_VERBOSE(p_hwfn, QED_MSG_DCB, "ETS params: willing %d, enabled = %d ets_cbs %d pri_tc_tbl_0 %x max_ets_tc %d\n", p_params->ets_willing, p_params->ets_enabled, p_params->ets_cbs, p_ets->pri_tc_tbl[0], p_params->max_ets_tc); if (p_params->ets_enabled && !p_params->max_ets_tc) { p_params->max_ets_tc = QED_MAX_PFC_PRIORITIES; DP_VERBOSE(p_hwfn, QED_MSG_DCB, "ETS params: max_ets_tc is forced to %d\n", p_params->max_ets_tc); } /* 8 bit tsa and bw data corresponding to each of the 8 TC's are * encoded in a type u32 array of size 2. */ cpu_to_be32_array(bw_map, p_ets->tc_bw_tbl, 2); cpu_to_be32_array(tsa_map, p_ets->tc_tsa_tbl, 2); pri_map = p_ets->pri_tc_tbl[0]; for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) { p_params->ets_tc_bw_tbl[i] = ((u8 *)bw_map)[i]; p_params->ets_tc_tsa_tbl[i] = ((u8 *)tsa_map)[i]; p_params->ets_pri_tc_tbl[i] = QED_DCBX_PRIO2TC(pri_map, i); DP_VERBOSE(p_hwfn, QED_MSG_DCB, "elem %d bw_tbl %x tsa_tbl %x\n", i, p_params->ets_tc_bw_tbl[i], p_params->ets_tc_tsa_tbl[i]); } } static void qed_dcbx_get_common_params(struct qed_hwfn *p_hwfn, struct dcbx_app_priority_feature *p_app, struct dcbx_app_priority_entry *p_tbl, struct dcbx_ets_feature *p_ets, u32 pfc, struct qed_dcbx_params *p_params, bool ieee) { qed_dcbx_get_app_data(p_hwfn, p_app, p_tbl, p_params, ieee); qed_dcbx_get_ets_data(p_hwfn, p_ets, p_params); qed_dcbx_get_pfc_data(p_hwfn, pfc, p_params); } static void qed_dcbx_get_local_params(struct qed_hwfn *p_hwfn, struct qed_dcbx_get *params) { struct dcbx_features *p_feat; p_feat = &p_hwfn->p_dcbx_info->local_admin.features; qed_dcbx_get_common_params(p_hwfn, &p_feat->app, p_feat->app.app_pri_tbl, &p_feat->ets, p_feat->pfc, ¶ms->local.params, false); params->local.valid = true; } static void qed_dcbx_get_remote_params(struct qed_hwfn *p_hwfn, struct qed_dcbx_get *params) { struct dcbx_features *p_feat; p_feat = &p_hwfn->p_dcbx_info->remote.features; qed_dcbx_get_common_params(p_hwfn, &p_feat->app, p_feat->app.app_pri_tbl, &p_feat->ets, p_feat->pfc, ¶ms->remote.params, false); params->remote.valid = true; } static void qed_dcbx_get_operational_params(struct qed_hwfn *p_hwfn, struct qed_dcbx_get *params) { struct qed_dcbx_operational_params *p_operational; struct qed_dcbx_results *p_results; struct dcbx_features *p_feat; bool enabled, err; u32 flags; bool val; flags = p_hwfn->p_dcbx_info->operational.flags; /* If DCBx version is non zero, then negotiation * was successfuly performed */ p_operational = ¶ms->operational; enabled = !!(QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) != DCBX_CONFIG_VERSION_DISABLED); if (!enabled) { p_operational->enabled = enabled; p_operational->valid = false; DP_VERBOSE(p_hwfn, QED_MSG_DCB, "Dcbx is disabled\n"); return; } p_feat = &p_hwfn->p_dcbx_info->operational.features; p_results = &p_hwfn->p_dcbx_info->results; val = !!(QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) == DCBX_CONFIG_VERSION_IEEE); p_operational->ieee = val; val = !!(QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) == DCBX_CONFIG_VERSION_CEE); p_operational->cee = val; val = !!(QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) == DCBX_CONFIG_VERSION_STATIC); p_operational->local = val; DP_VERBOSE(p_hwfn, QED_MSG_DCB, "Version support: ieee %d, cee %d, static %d\n", p_operational->ieee, p_operational->cee, p_operational->local); qed_dcbx_get_common_params(p_hwfn, &p_feat->app, p_feat->app.app_pri_tbl, &p_feat->ets, p_feat->pfc, ¶ms->operational.params, p_operational->ieee); qed_dcbx_get_priority_info(p_hwfn, &p_operational->app_prio, p_results); err = QED_MFW_GET_FIELD(p_feat->app.flags, DCBX_APP_ERROR); p_operational->err = err; p_operational->enabled = enabled; p_operational->valid = true; } static void qed_dcbx_get_local_lldp_params(struct qed_hwfn *p_hwfn, struct qed_dcbx_get *params) { struct lldp_config_params_s *p_local; p_local = &p_hwfn->p_dcbx_info->lldp_local[LLDP_NEAREST_BRIDGE]; memcpy(params->lldp_local.local_chassis_id, p_local->local_chassis_id, sizeof(p_local->local_chassis_id)); memcpy(params->lldp_local.local_port_id, p_local->local_port_id, sizeof(p_local->local_port_id)); } static void qed_dcbx_get_remote_lldp_params(struct qed_hwfn *p_hwfn, struct qed_dcbx_get *params) { struct lldp_status_params_s *p_remote; p_remote = &p_hwfn->p_dcbx_info->lldp_remote[LLDP_NEAREST_BRIDGE]; memcpy(params->lldp_remote.peer_chassis_id, p_remote->peer_chassis_id, sizeof(p_remote->peer_chassis_id)); memcpy(params->lldp_remote.peer_port_id, p_remote->peer_port_id, sizeof(p_remote->peer_port_id)); } static int qed_dcbx_get_params(struct qed_hwfn *p_hwfn, struct qed_dcbx_get *p_params, enum qed_mib_read_type type) { switch (type) { case QED_DCBX_REMOTE_MIB: qed_dcbx_get_remote_params(p_hwfn, p_params); break; case QED_DCBX_LOCAL_MIB: qed_dcbx_get_local_params(p_hwfn, p_params); break; case QED_DCBX_OPERATIONAL_MIB: qed_dcbx_get_operational_params(p_hwfn, p_params); break; case QED_DCBX_REMOTE_LLDP_MIB: qed_dcbx_get_remote_lldp_params(p_hwfn, p_params); break; case QED_DCBX_LOCAL_LLDP_MIB: qed_dcbx_get_local_lldp_params(p_hwfn, p_params); break; default: DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type); return -EINVAL; } return 0; } static int qed_dcbx_read_local_lldp_mib(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct qed_dcbx_mib_meta_data data; 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 0; } 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; 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 0; } static int qed_dcbx_read_mib(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, enum qed_mib_read_type type) { int rc = -EINVAL; switch (type) { case QED_DCBX_OPERATIONAL_MIB: rc = qed_dcbx_read_operational_mib(p_hwfn, p_ptt, type); break; case QED_DCBX_REMOTE_MIB: rc = qed_dcbx_read_remote_mib(p_hwfn, p_ptt, type); break; case QED_DCBX_LOCAL_MIB: rc = qed_dcbx_read_local_mib(p_hwfn, p_ptt); break; case QED_DCBX_REMOTE_LLDP_MIB: rc = qed_dcbx_read_remote_lldp_mib(p_hwfn, p_ptt, type); break; case QED_DCBX_LOCAL_LLDP_MIB: rc = qed_dcbx_read_local_lldp_mib(p_hwfn, p_ptt); break; default: DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type); } return rc; } static void qed_dcbx_aen(struct qed_hwfn *hwfn, u32 mib_type) { struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common; void *cookie = hwfn->cdev->ops_cookie; if (cookie && op->dcbx_aen) op->dcbx_aen(cookie, &hwfn->p_dcbx_info->get, mib_type); } /* Read updated MIB. * Reconfigure QM and invoke PF update ramrod command if operational MIB * change is detected. */ int qed_dcbx_mib_update_event(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, enum qed_mib_read_type type) { int rc = 0; rc = qed_dcbx_read_mib(p_hwfn, p_ptt, type); if (rc) return rc; if (type == QED_DCBX_OPERATIONAL_MIB) { rc = qed_dcbx_process_mib_info(p_hwfn, p_ptt); if (!rc) { /* reconfigure tcs of QM queues according * to negotiation results */ qed_qm_reconf(p_hwfn, p_ptt); /* update storm FW with negotiation results */ qed_sp_pf_update(p_hwfn); /* for roce PFs, we may want to enable/disable DPM * when DCBx change occurs */ if (p_hwfn->hw_info.personality == QED_PCI_ETH_ROCE) qed_roce_dpm_dcbx(p_hwfn, p_ptt); } } qed_dcbx_get_params(p_hwfn, &p_hwfn->p_dcbx_info->get, type); if (type == QED_DCBX_OPERATIONAL_MIB) { struct qed_dcbx_results *p_data; u16 val; /* Configure in NIG which protocols support EDPM and should * honor PFC. */ p_data = &p_hwfn->p_dcbx_info->results; val = (0x1 << p_data->arr[DCBX_PROTOCOL_ROCE].tc) | (0x1 << p_data->arr[DCBX_PROTOCOL_ROCE_V2].tc); val <<= NIG_REG_TX_EDPM_CTRL_TX_EDPM_TC_EN_SHIFT; val |= NIG_REG_TX_EDPM_CTRL_TX_EDPM_EN; qed_wr(p_hwfn, p_ptt, NIG_REG_TX_EDPM_CTRL, val); } qed_dcbx_aen(p_hwfn, type); return rc; } int qed_dcbx_info_alloc(struct qed_hwfn *p_hwfn) { p_hwfn->p_dcbx_info = kzalloc(sizeof(*p_hwfn->p_dcbx_info), GFP_KERNEL); if (!p_hwfn->p_dcbx_info) return -ENOMEM; return 0; } void qed_dcbx_info_free(struct qed_hwfn *p_hwfn) { kfree(p_hwfn->p_dcbx_info); p_hwfn->p_dcbx_info = NULL; } static void qed_dcbx_update_protocol_data(struct protocol_dcb_data *p_data, struct qed_dcbx_results *p_src, enum dcbx_protocol_type type) { p_data->dcb_enable_flag = p_src->arr[type].enable; p_data->dcb_priority = p_src->arr[type].priority; p_data->dcb_tc = p_src->arr[type].tc; p_data->dcb_dont_add_vlan0 = p_src->arr[type].dont_add_vlan0; } /* Set pf update ramrod command params */ void qed_dcbx_set_pf_update_params(struct qed_dcbx_results *p_src, struct pf_update_ramrod_data *p_dest) { struct protocol_dcb_data *p_dcb_data; u8 update_flag; update_flag = p_src->arr[DCBX_PROTOCOL_FCOE].update; p_dest->update_fcoe_dcb_data_mode = update_flag; update_flag = p_src->arr[DCBX_PROTOCOL_ROCE].update; p_dest->update_roce_dcb_data_mode = update_flag; update_flag = p_src->arr[DCBX_PROTOCOL_ROCE_V2].update; p_dest->update_rroce_dcb_data_mode = update_flag; update_flag = p_src->arr[DCBX_PROTOCOL_ISCSI].update; p_dest->update_iscsi_dcb_data_mode = update_flag; update_flag = p_src->arr[DCBX_PROTOCOL_ETH].update; p_dest->update_eth_dcb_data_mode = update_flag; p_dcb_data = &p_dest->fcoe_dcb_data; qed_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_FCOE); p_dcb_data = &p_dest->roce_dcb_data; qed_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ROCE); p_dcb_data = &p_dest->rroce_dcb_data; qed_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ROCE_V2); p_dcb_data = &p_dest->iscsi_dcb_data; qed_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ISCSI); p_dcb_data = &p_dest->eth_dcb_data; qed_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ETH); } u8 qed_dcbx_get_priority_tc(struct qed_hwfn *p_hwfn, u8 pri) { struct qed_dcbx_get *dcbx_info = &p_hwfn->p_dcbx_info->get; if (pri >= QED_MAX_PFC_PRIORITIES) { DP_ERR(p_hwfn, "Invalid priority %d\n", pri); return QED_DCBX_DEFAULT_TC; } if (!dcbx_info->operational.valid) { DP_VERBOSE(p_hwfn, QED_MSG_DCB, "Dcbx parameters not available\n"); return QED_DCBX_DEFAULT_TC; } return dcbx_info->operational.params.ets_pri_tc_tbl[pri]; } #ifdef CONFIG_DCB static int qed_dcbx_query_params(struct qed_hwfn *p_hwfn, struct qed_dcbx_get *p_get, enum qed_mib_read_type type) { struct qed_ptt *p_ptt; int rc; if (IS_VF(p_hwfn->cdev)) return -EINVAL; p_ptt = qed_ptt_acquire(p_hwfn); if (!p_ptt) return -EBUSY; rc = qed_dcbx_read_mib(p_hwfn, p_ptt, type); if (rc) goto out; rc = qed_dcbx_get_params(p_hwfn, p_get, type); out: qed_ptt_release(p_hwfn, p_ptt); return rc; } static void qed_dcbx_set_pfc_data(struct qed_hwfn *p_hwfn, u32 *pfc, struct qed_dcbx_params *p_params) { u8 pfc_map = 0; int i; *pfc &= ~DCBX_PFC_ERROR_MASK; if (p_params->pfc.willing) *pfc |= DCBX_PFC_WILLING_MASK; else *pfc &= ~DCBX_PFC_WILLING_MASK; if (p_params->pfc.enabled) *pfc |= DCBX_PFC_ENABLED_MASK; else *pfc &= ~DCBX_PFC_ENABLED_MASK; *pfc &= ~DCBX_PFC_CAPS_MASK; *pfc |= (u32)p_params->pfc.max_tc << DCBX_PFC_CAPS_SHIFT; for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) if (p_params->pfc.prio[i]) pfc_map |= BIT(i); *pfc &= ~DCBX_PFC_PRI_EN_BITMAP_MASK; *pfc |= (pfc_map << DCBX_PFC_PRI_EN_BITMAP_SHIFT); DP_VERBOSE(p_hwfn, QED_MSG_DCB, "pfc = 0x%x\n", *pfc); } static void qed_dcbx_set_ets_data(struct qed_hwfn *p_hwfn, struct dcbx_ets_feature *p_ets, struct qed_dcbx_params *p_params) { __be32 bw_map[2], tsa_map[2]; u32 val; int i; if (p_params->ets_willing) p_ets->flags |= DCBX_ETS_WILLING_MASK; else p_ets->flags &= ~DCBX_ETS_WILLING_MASK; if (p_params->ets_cbs) p_ets->flags |= DCBX_ETS_CBS_MASK; else p_ets->flags &= ~DCBX_ETS_CBS_MASK; if (p_params->ets_enabled) p_ets->flags |= DCBX_ETS_ENABLED_MASK; else p_ets->flags &= ~DCBX_ETS_ENABLED_MASK; p_ets->flags &= ~DCBX_ETS_MAX_TCS_MASK; p_ets->flags |= (u32)p_params->max_ets_tc << DCBX_ETS_MAX_TCS_SHIFT; p_ets->pri_tc_tbl[0] = 0; for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) { ((u8 *)bw_map)[i] = p_params->ets_tc_bw_tbl[i]; ((u8 *)tsa_map)[i] = p_params->ets_tc_tsa_tbl[i]; /* Copy the priority value to the corresponding 4 bits in the * traffic class table. */ val = (((u32)p_params->ets_pri_tc_tbl[i]) << ((7 - i) * 4)); p_ets->pri_tc_tbl[0] |= val; } be32_to_cpu_array(p_ets->tc_bw_tbl, bw_map, 2); be32_to_cpu_array(p_ets->tc_tsa_tbl, tsa_map, 2); } static void qed_dcbx_set_app_data(struct qed_hwfn *p_hwfn, struct dcbx_app_priority_feature *p_app, struct qed_dcbx_params *p_params, bool ieee) { u32 *entry; int i; if (p_params->app_willing) p_app->flags |= DCBX_APP_WILLING_MASK; else p_app->flags &= ~DCBX_APP_WILLING_MASK; if (p_params->app_valid) p_app->flags |= DCBX_APP_ENABLED_MASK; else p_app->flags &= ~DCBX_APP_ENABLED_MASK; p_app->flags &= ~DCBX_APP_NUM_ENTRIES_MASK; p_app->flags |= (u32)p_params->num_app_entries << DCBX_APP_NUM_ENTRIES_SHIFT; for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) { entry = &p_app->app_pri_tbl[i].entry; *entry = 0; if (ieee) { *entry &= ~(DCBX_APP_SF_IEEE_MASK | DCBX_APP_SF_MASK); switch (p_params->app_entry[i].sf_ieee) { case QED_DCBX_SF_IEEE_ETHTYPE: *entry |= ((u32)DCBX_APP_SF_IEEE_ETHTYPE << DCBX_APP_SF_IEEE_SHIFT); *entry |= ((u32)DCBX_APP_SF_ETHTYPE << DCBX_APP_SF_SHIFT); break; case QED_DCBX_SF_IEEE_TCP_PORT: *entry |= ((u32)DCBX_APP_SF_IEEE_TCP_PORT << DCBX_APP_SF_IEEE_SHIFT); *entry |= ((u32)DCBX_APP_SF_PORT << DCBX_APP_SF_SHIFT); break; case QED_DCBX_SF_IEEE_UDP_PORT: *entry |= ((u32)DCBX_APP_SF_IEEE_UDP_PORT << DCBX_APP_SF_IEEE_SHIFT); *entry |= ((u32)DCBX_APP_SF_PORT << DCBX_APP_SF_SHIFT); break; case QED_DCBX_SF_IEEE_TCP_UDP_PORT: *entry |= ((u32)DCBX_APP_SF_IEEE_TCP_UDP_PORT << DCBX_APP_SF_IEEE_SHIFT); *entry |= ((u32)DCBX_APP_SF_PORT << DCBX_APP_SF_SHIFT); break; } } else { *entry &= ~DCBX_APP_SF_MASK; if (p_params->app_entry[i].ethtype) *entry |= ((u32)DCBX_APP_SF_ETHTYPE << DCBX_APP_SF_SHIFT); else *entry |= ((u32)DCBX_APP_SF_PORT << DCBX_APP_SF_SHIFT); } *entry &= ~DCBX_APP_PROTOCOL_ID_MASK; *entry |= ((u32)p_params->app_entry[i].proto_id << DCBX_APP_PROTOCOL_ID_SHIFT); *entry &= ~DCBX_APP_PRI_MAP_MASK; *entry |= ((u32)(p_params->app_entry[i].prio) << DCBX_APP_PRI_MAP_SHIFT); } } static void qed_dcbx_set_local_params(struct qed_hwfn *p_hwfn, struct dcbx_local_params *local_admin, struct qed_dcbx_set *params) { bool ieee = false; local_admin->flags = 0; memcpy(&local_admin->features, &p_hwfn->p_dcbx_info->operational.features, sizeof(local_admin->features)); if (params->enabled) { local_admin->config = params->ver_num; ieee = !!(params->ver_num & DCBX_CONFIG_VERSION_IEEE); } else { local_admin->config = DCBX_CONFIG_VERSION_DISABLED; } DP_VERBOSE(p_hwfn, QED_MSG_DCB, "Dcbx version = %d\n", local_admin->config); if (params->override_flags & QED_DCBX_OVERRIDE_PFC_CFG) qed_dcbx_set_pfc_data(p_hwfn, &local_admin->features.pfc, ¶ms->config.params); if (params->override_flags & QED_DCBX_OVERRIDE_ETS_CFG) qed_dcbx_set_ets_data(p_hwfn, &local_admin->features.ets, ¶ms->config.params); if (params->override_flags & QED_DCBX_OVERRIDE_APP_CFG) qed_dcbx_set_app_data(p_hwfn, &local_admin->features.app, ¶ms->config.params, ieee); } int qed_dcbx_config_params(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct qed_dcbx_set *params, bool hw_commit) { struct dcbx_local_params local_admin; struct qed_dcbx_mib_meta_data data; u32 resp = 0, param = 0; int rc = 0; if (!hw_commit) { memcpy(&p_hwfn->p_dcbx_info->set, params, sizeof(struct qed_dcbx_set)); return 0; } /* clear set-parmas cache */ memset(&p_hwfn->p_dcbx_info->set, 0, sizeof(p_hwfn->p_dcbx_info->set)); memset(&local_admin, 0, sizeof(local_admin)); qed_dcbx_set_local_params(p_hwfn, &local_admin, params); data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port, local_admin_dcbx_mib); data.local_admin = &local_admin; data.size = sizeof(struct dcbx_local_params); qed_memcpy_to(p_hwfn, p_ptt, data.addr, data.local_admin, data.size); rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_DCBX, 1 << DRV_MB_PARAM_LLDP_SEND_SHIFT, &resp, ¶m); if (rc) DP_NOTICE(p_hwfn, "Failed to send DCBX update request\n"); return rc; } int qed_dcbx_get_config_params(struct qed_hwfn *p_hwfn, struct qed_dcbx_set *params) { struct qed_dcbx_get *dcbx_info; int rc; if (p_hwfn->p_dcbx_info->set.config.valid) { memcpy(params, &p_hwfn->p_dcbx_info->set, sizeof(struct qed_dcbx_set)); return 0; } dcbx_info = kzalloc(sizeof(*dcbx_info), GFP_KERNEL); if (!dcbx_info) return -ENOMEM; rc = qed_dcbx_query_params(p_hwfn, dcbx_info, QED_DCBX_OPERATIONAL_MIB); if (rc) { kfree(dcbx_info); return rc; } p_hwfn->p_dcbx_info->set.override_flags = 0; p_hwfn->p_dcbx_info->set.ver_num = DCBX_CONFIG_VERSION_DISABLED; if (dcbx_info->operational.cee) p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_CEE; if (dcbx_info->operational.ieee) p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_IEEE; if (dcbx_info->operational.local) p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_STATIC; p_hwfn->p_dcbx_info->set.enabled = dcbx_info->operational.enabled; BUILD_BUG_ON(sizeof(dcbx_info->operational.params) != sizeof(p_hwfn->p_dcbx_info->set.config.params)); memcpy(&p_hwfn->p_dcbx_info->set.config.params, &dcbx_info->operational.params, sizeof(p_hwfn->p_dcbx_info->set.config.params)); p_hwfn->p_dcbx_info->set.config.valid = true; memcpy(params, &p_hwfn->p_dcbx_info->set, sizeof(struct qed_dcbx_set)); kfree(dcbx_info); return 0; } static struct qed_dcbx_get *qed_dcbnl_get_dcbx(struct qed_hwfn *hwfn, enum qed_mib_read_type type) { struct qed_dcbx_get *dcbx_info; dcbx_info = kzalloc(sizeof(*dcbx_info), GFP_ATOMIC); if (!dcbx_info) return NULL; if (qed_dcbx_query_params(hwfn, dcbx_info, type)) { kfree(dcbx_info); return NULL; } if ((type == QED_DCBX_OPERATIONAL_MIB) && !dcbx_info->operational.enabled) { DP_INFO(hwfn, "DCBX is not enabled/operational\n"); kfree(dcbx_info); return NULL; } return dcbx_info; } static u8 qed_dcbnl_getstate(struct qed_dev *cdev) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_get *dcbx_info; bool enabled; dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); if (!dcbx_info) return 0; enabled = dcbx_info->operational.enabled; DP_VERBOSE(hwfn, QED_MSG_DCB, "DCB state = %d\n", enabled); kfree(dcbx_info); return enabled; } static u8 qed_dcbnl_setstate(struct qed_dev *cdev, u8 state) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_set dcbx_set; struct qed_ptt *ptt; int rc; DP_VERBOSE(hwfn, QED_MSG_DCB, "DCB state = %d\n", state); memset(&dcbx_set, 0, sizeof(dcbx_set)); rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); if (rc) return 1; dcbx_set.enabled = !!state; ptt = qed_ptt_acquire(hwfn); if (!ptt) return 1; rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); qed_ptt_release(hwfn, ptt); return rc ? 1 : 0; } static void qed_dcbnl_getpgtccfgtx(struct qed_dev *cdev, int tc, u8 *prio_type, u8 *pgid, u8 *bw_pct, u8 *up_map) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_get *dcbx_info; DP_VERBOSE(hwfn, QED_MSG_DCB, "tc = %d\n", tc); *prio_type = *pgid = *bw_pct = *up_map = 0; if (tc < 0 || tc >= QED_MAX_PFC_PRIORITIES) { DP_INFO(hwfn, "Invalid tc %d\n", tc); return; } dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); if (!dcbx_info) return; *pgid = dcbx_info->operational.params.ets_pri_tc_tbl[tc]; kfree(dcbx_info); } static void qed_dcbnl_getpgbwgcfgtx(struct qed_dev *cdev, int pgid, u8 *bw_pct) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_get *dcbx_info; *bw_pct = 0; DP_VERBOSE(hwfn, QED_MSG_DCB, "pgid = %d\n", pgid); if (pgid < 0 || pgid >= QED_MAX_PFC_PRIORITIES) { DP_INFO(hwfn, "Invalid pgid %d\n", pgid); return; } dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); if (!dcbx_info) return; *bw_pct = dcbx_info->operational.params.ets_tc_bw_tbl[pgid]; DP_VERBOSE(hwfn, QED_MSG_DCB, "bw_pct = %d\n", *bw_pct); kfree(dcbx_info); } static void qed_dcbnl_getpgtccfgrx(struct qed_dev *cdev, int tc, u8 *prio, u8 *bwg_id, u8 *bw_pct, u8 *up_map) { DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n"); *prio = *bwg_id = *bw_pct = *up_map = 0; } static void qed_dcbnl_getpgbwgcfgrx(struct qed_dev *cdev, int bwg_id, u8 *bw_pct) { DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n"); *bw_pct = 0; } static void qed_dcbnl_getpfccfg(struct qed_dev *cdev, int priority, u8 *setting) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_get *dcbx_info; DP_VERBOSE(hwfn, QED_MSG_DCB, "priority = %d\n", priority); if (priority < 0 || priority >= QED_MAX_PFC_PRIORITIES) { DP_INFO(hwfn, "Invalid priority %d\n", priority); return; } dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); if (!dcbx_info) return; *setting = dcbx_info->operational.params.pfc.prio[priority]; DP_VERBOSE(hwfn, QED_MSG_DCB, "setting = %d\n", *setting); kfree(dcbx_info); } static void qed_dcbnl_setpfccfg(struct qed_dev *cdev, int priority, u8 setting) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_set dcbx_set; struct qed_ptt *ptt; int rc; DP_VERBOSE(hwfn, QED_MSG_DCB, "priority = %d setting = %d\n", priority, setting); if (priority < 0 || priority >= QED_MAX_PFC_PRIORITIES) { DP_INFO(hwfn, "Invalid priority %d\n", priority); return; } memset(&dcbx_set, 0, sizeof(dcbx_set)); rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); if (rc) return; dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG; dcbx_set.config.params.pfc.prio[priority] = !!setting; ptt = qed_ptt_acquire(hwfn); if (!ptt) return; rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); qed_ptt_release(hwfn, ptt); } static u8 qed_dcbnl_getcap(struct qed_dev *cdev, int capid, u8 *cap) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_get *dcbx_info; int rc = 0; DP_VERBOSE(hwfn, QED_MSG_DCB, "capid = %d\n", capid); dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); if (!dcbx_info) return 1; switch (capid) { case DCB_CAP_ATTR_PG: case DCB_CAP_ATTR_PFC: case DCB_CAP_ATTR_UP2TC: case DCB_CAP_ATTR_GSP: *cap = true; break; case DCB_CAP_ATTR_PG_TCS: case DCB_CAP_ATTR_PFC_TCS: *cap = 0x80; break; case DCB_CAP_ATTR_DCBX: *cap = (DCB_CAP_DCBX_VER_CEE | DCB_CAP_DCBX_VER_IEEE | DCB_CAP_DCBX_STATIC); break; default: *cap = false; rc = 1; } DP_VERBOSE(hwfn, QED_MSG_DCB, "id = %d caps = %d\n", capid, *cap); kfree(dcbx_info); return rc; } static int qed_dcbnl_getnumtcs(struct qed_dev *cdev, int tcid, u8 *num) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_get *dcbx_info; int rc = 0; DP_VERBOSE(hwfn, QED_MSG_DCB, "tcid = %d\n", tcid); dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); if (!dcbx_info) return -EINVAL; switch (tcid) { case DCB_NUMTCS_ATTR_PG: *num = dcbx_info->operational.params.max_ets_tc; break; case DCB_NUMTCS_ATTR_PFC: *num = dcbx_info->operational.params.pfc.max_tc; break; default: rc = -EINVAL; } kfree(dcbx_info); DP_VERBOSE(hwfn, QED_MSG_DCB, "numtcs = %d\n", *num); return rc; } static u8 qed_dcbnl_getpfcstate(struct qed_dev *cdev) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_get *dcbx_info; bool enabled; dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); if (!dcbx_info) return 0; enabled = dcbx_info->operational.params.pfc.enabled; DP_VERBOSE(hwfn, QED_MSG_DCB, "pfc state = %d\n", enabled); kfree(dcbx_info); return enabled; } static u8 qed_dcbnl_getdcbx(struct qed_dev *cdev) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_get *dcbx_info; u8 mode = 0; dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); if (!dcbx_info) return 0; if (dcbx_info->operational.ieee) mode |= DCB_CAP_DCBX_VER_IEEE; if (dcbx_info->operational.cee) mode |= DCB_CAP_DCBX_VER_CEE; if (dcbx_info->operational.local) mode |= DCB_CAP_DCBX_STATIC; DP_VERBOSE(hwfn, QED_MSG_DCB, "dcb mode = %d\n", mode); kfree(dcbx_info); return mode; } static void qed_dcbnl_setpgtccfgtx(struct qed_dev *cdev, int tc, u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_set dcbx_set; struct qed_ptt *ptt; int rc; DP_VERBOSE(hwfn, QED_MSG_DCB, "tc = %d pri_type = %d pgid = %d bw_pct = %d up_map = %d\n", tc, pri_type, pgid, bw_pct, up_map); if (tc < 0 || tc >= QED_MAX_PFC_PRIORITIES) { DP_INFO(hwfn, "Invalid tc %d\n", tc); return; } memset(&dcbx_set, 0, sizeof(dcbx_set)); rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); if (rc) return; dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG; dcbx_set.config.params.ets_pri_tc_tbl[tc] = pgid; ptt = qed_ptt_acquire(hwfn); if (!ptt) return; rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); qed_ptt_release(hwfn, ptt); } static void qed_dcbnl_setpgtccfgrx(struct qed_dev *cdev, int prio, u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map) { DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n"); } static void qed_dcbnl_setpgbwgcfgtx(struct qed_dev *cdev, int pgid, u8 bw_pct) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_set dcbx_set; struct qed_ptt *ptt; int rc; DP_VERBOSE(hwfn, QED_MSG_DCB, "pgid = %d bw_pct = %d\n", pgid, bw_pct); if (pgid < 0 || pgid >= QED_MAX_PFC_PRIORITIES) { DP_INFO(hwfn, "Invalid pgid %d\n", pgid); return; } memset(&dcbx_set, 0, sizeof(dcbx_set)); rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); if (rc) return; dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG; dcbx_set.config.params.ets_tc_bw_tbl[pgid] = bw_pct; ptt = qed_ptt_acquire(hwfn); if (!ptt) return; rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); qed_ptt_release(hwfn, ptt); } static void qed_dcbnl_setpgbwgcfgrx(struct qed_dev *cdev, int pgid, u8 bw_pct) { DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n"); } static u8 qed_dcbnl_setall(struct qed_dev *cdev) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_set dcbx_set; struct qed_ptt *ptt; int rc; memset(&dcbx_set, 0, sizeof(dcbx_set)); rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); if (rc) return 1; ptt = qed_ptt_acquire(hwfn); if (!ptt) return 1; rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 1); qed_ptt_release(hwfn, ptt); return rc; } static int qed_dcbnl_setnumtcs(struct qed_dev *cdev, int tcid, u8 num) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_set dcbx_set; struct qed_ptt *ptt; int rc; DP_VERBOSE(hwfn, QED_MSG_DCB, "tcid = %d num = %d\n", tcid, num); memset(&dcbx_set, 0, sizeof(dcbx_set)); rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); if (rc) return 1; switch (tcid) { case DCB_NUMTCS_ATTR_PG: dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG; dcbx_set.config.params.max_ets_tc = num; break; case DCB_NUMTCS_ATTR_PFC: dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG; dcbx_set.config.params.pfc.max_tc = num; break; default: DP_INFO(hwfn, "Invalid tcid %d\n", tcid); return -EINVAL; } ptt = qed_ptt_acquire(hwfn); if (!ptt) return -EINVAL; rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); qed_ptt_release(hwfn, ptt); return 0; } static void qed_dcbnl_setpfcstate(struct qed_dev *cdev, u8 state) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_set dcbx_set; struct qed_ptt *ptt; int rc; DP_VERBOSE(hwfn, QED_MSG_DCB, "new state = %d\n", state); memset(&dcbx_set, 0, sizeof(dcbx_set)); rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); if (rc) return; dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG; dcbx_set.config.params.pfc.enabled = !!state; ptt = qed_ptt_acquire(hwfn); if (!ptt) return; rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); qed_ptt_release(hwfn, ptt); } static int qed_dcbnl_getapp(struct qed_dev *cdev, u8 idtype, u16 idval) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_get *dcbx_info; struct qed_app_entry *entry; bool ethtype; u8 prio = 0; int i; dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); if (!dcbx_info) return -EINVAL; ethtype = !!(idtype == DCB_APP_IDTYPE_ETHTYPE); for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) { entry = &dcbx_info->operational.params.app_entry[i]; if ((entry->ethtype == ethtype) && (entry->proto_id == idval)) { prio = entry->prio; break; } } if (i == QED_DCBX_MAX_APP_PROTOCOL) { DP_ERR(cdev, "App entry (%d, %d) not found\n", idtype, idval); kfree(dcbx_info); return -EINVAL; } kfree(dcbx_info); return prio; } static int qed_dcbnl_setapp(struct qed_dev *cdev, u8 idtype, u16 idval, u8 pri_map) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_set dcbx_set; struct qed_app_entry *entry; struct qed_ptt *ptt; bool ethtype; int rc, i; memset(&dcbx_set, 0, sizeof(dcbx_set)); rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); if (rc) return -EINVAL; ethtype = !!(idtype == DCB_APP_IDTYPE_ETHTYPE); for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) { entry = &dcbx_set.config.params.app_entry[i]; if ((entry->ethtype == ethtype) && (entry->proto_id == idval)) break; /* First empty slot */ if (!entry->proto_id) { dcbx_set.config.params.num_app_entries++; break; } } if (i == QED_DCBX_MAX_APP_PROTOCOL) { DP_ERR(cdev, "App table is full\n"); return -EBUSY; } dcbx_set.override_flags |= QED_DCBX_OVERRIDE_APP_CFG; dcbx_set.config.params.app_entry[i].ethtype = ethtype; dcbx_set.config.params.app_entry[i].proto_id = idval; dcbx_set.config.params.app_entry[i].prio = pri_map; ptt = qed_ptt_acquire(hwfn); if (!ptt) return -EBUSY; rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); qed_ptt_release(hwfn, ptt); return rc; } static u8 qed_dcbnl_setdcbx(struct qed_dev *cdev, u8 mode) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_set dcbx_set; struct qed_ptt *ptt; int rc; DP_VERBOSE(hwfn, QED_MSG_DCB, "new mode = %x\n", mode); if (!(mode & DCB_CAP_DCBX_VER_IEEE) && !(mode & DCB_CAP_DCBX_VER_CEE) && !(mode & DCB_CAP_DCBX_STATIC)) { DP_INFO(hwfn, "Allowed modes are cee, ieee or static\n"); return 1; } memset(&dcbx_set, 0, sizeof(dcbx_set)); rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); if (rc) return 1; dcbx_set.ver_num = 0; if (mode & DCB_CAP_DCBX_VER_CEE) { dcbx_set.ver_num |= DCBX_CONFIG_VERSION_CEE; dcbx_set.enabled = true; } if (mode & DCB_CAP_DCBX_VER_IEEE) { dcbx_set.ver_num |= DCBX_CONFIG_VERSION_IEEE; dcbx_set.enabled = true; } if (mode & DCB_CAP_DCBX_STATIC) { dcbx_set.ver_num |= DCBX_CONFIG_VERSION_STATIC; dcbx_set.enabled = true; } ptt = qed_ptt_acquire(hwfn); if (!ptt) return 1; rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); qed_ptt_release(hwfn, ptt); return rc; } static u8 qed_dcbnl_getfeatcfg(struct qed_dev *cdev, int featid, u8 *flags) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_get *dcbx_info; DP_VERBOSE(hwfn, QED_MSG_DCB, "Feature id = %d\n", featid); dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); if (!dcbx_info) return 1; *flags = 0; switch (featid) { case DCB_FEATCFG_ATTR_PG: if (dcbx_info->operational.params.ets_enabled) *flags = DCB_FEATCFG_ENABLE; else *flags = DCB_FEATCFG_ERROR; break; case DCB_FEATCFG_ATTR_PFC: if (dcbx_info->operational.params.pfc.enabled) *flags = DCB_FEATCFG_ENABLE; else *flags = DCB_FEATCFG_ERROR; break; case DCB_FEATCFG_ATTR_APP: if (dcbx_info->operational.params.app_valid) *flags = DCB_FEATCFG_ENABLE; else *flags = DCB_FEATCFG_ERROR; break; default: DP_INFO(hwfn, "Invalid feature-ID %d\n", featid); kfree(dcbx_info); return 1; } DP_VERBOSE(hwfn, QED_MSG_DCB, "flags = %d\n", *flags); kfree(dcbx_info); return 0; } static u8 qed_dcbnl_setfeatcfg(struct qed_dev *cdev, int featid, u8 flags) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_set dcbx_set; bool enabled, willing; struct qed_ptt *ptt; int rc; DP_VERBOSE(hwfn, QED_MSG_DCB, "featid = %d flags = %d\n", featid, flags); memset(&dcbx_set, 0, sizeof(dcbx_set)); rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); if (rc) return 1; enabled = !!(flags & DCB_FEATCFG_ENABLE); willing = !!(flags & DCB_FEATCFG_WILLING); switch (featid) { case DCB_FEATCFG_ATTR_PG: dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG; dcbx_set.config.params.ets_enabled = enabled; dcbx_set.config.params.ets_willing = willing; break; case DCB_FEATCFG_ATTR_PFC: dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG; dcbx_set.config.params.pfc.enabled = enabled; dcbx_set.config.params.pfc.willing = willing; break; case DCB_FEATCFG_ATTR_APP: dcbx_set.override_flags |= QED_DCBX_OVERRIDE_APP_CFG; dcbx_set.config.params.app_willing = willing; break; default: DP_INFO(hwfn, "Invalid feature-ID %d\n", featid); return 1; } ptt = qed_ptt_acquire(hwfn); if (!ptt) return 1; rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); qed_ptt_release(hwfn, ptt); return 0; } static int qed_dcbnl_peer_getappinfo(struct qed_dev *cdev, struct dcb_peer_app_info *info, u16 *app_count) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_get *dcbx_info; dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB); if (!dcbx_info) return -EINVAL; info->willing = dcbx_info->remote.params.app_willing; info->error = dcbx_info->remote.params.app_error; *app_count = dcbx_info->remote.params.num_app_entries; kfree(dcbx_info); return 0; } static int qed_dcbnl_peer_getapptable(struct qed_dev *cdev, struct dcb_app *table) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_get *dcbx_info; int i; dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB); if (!dcbx_info) return -EINVAL; for (i = 0; i < dcbx_info->remote.params.num_app_entries; i++) { if (dcbx_info->remote.params.app_entry[i].ethtype) table[i].selector = DCB_APP_IDTYPE_ETHTYPE; else table[i].selector = DCB_APP_IDTYPE_PORTNUM; table[i].priority = dcbx_info->remote.params.app_entry[i].prio; table[i].protocol = dcbx_info->remote.params.app_entry[i].proto_id; } kfree(dcbx_info); return 0; } static int qed_dcbnl_cee_peer_getpfc(struct qed_dev *cdev, struct cee_pfc *pfc) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_get *dcbx_info; int i; dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB); if (!dcbx_info) return -EINVAL; for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) if (dcbx_info->remote.params.pfc.prio[i]) pfc->pfc_en |= BIT(i); pfc->tcs_supported = dcbx_info->remote.params.pfc.max_tc; DP_VERBOSE(hwfn, QED_MSG_DCB, "pfc state = %d tcs_supported = %d\n", pfc->pfc_en, pfc->tcs_supported); kfree(dcbx_info); return 0; } static int qed_dcbnl_cee_peer_getpg(struct qed_dev *cdev, struct cee_pg *pg) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_get *dcbx_info; int i; dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB); if (!dcbx_info) return -EINVAL; pg->willing = dcbx_info->remote.params.ets_willing; for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) { pg->pg_bw[i] = dcbx_info->remote.params.ets_tc_bw_tbl[i]; pg->prio_pg[i] = dcbx_info->remote.params.ets_pri_tc_tbl[i]; } DP_VERBOSE(hwfn, QED_MSG_DCB, "willing = %d", pg->willing); kfree(dcbx_info); return 0; } static int qed_dcbnl_get_ieee_pfc(struct qed_dev *cdev, struct ieee_pfc *pfc, bool remote) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_params *params; struct qed_dcbx_get *dcbx_info; int rc, i; dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); if (!dcbx_info) return -EINVAL; if (!dcbx_info->operational.ieee) { DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n"); kfree(dcbx_info); return -EINVAL; } if (remote) { memset(dcbx_info, 0, sizeof(*dcbx_info)); rc = qed_dcbx_query_params(hwfn, dcbx_info, QED_DCBX_REMOTE_MIB); if (rc) { kfree(dcbx_info); return -EINVAL; } params = &dcbx_info->remote.params; } else { params = &dcbx_info->operational.params; } pfc->pfc_cap = params->pfc.max_tc; pfc->pfc_en = 0; for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) if (params->pfc.prio[i]) pfc->pfc_en |= BIT(i); kfree(dcbx_info); return 0; } static int qed_dcbnl_ieee_getpfc(struct qed_dev *cdev, struct ieee_pfc *pfc) { return qed_dcbnl_get_ieee_pfc(cdev, pfc, false); } static int qed_dcbnl_ieee_setpfc(struct qed_dev *cdev, struct ieee_pfc *pfc) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_get *dcbx_info; struct qed_dcbx_set dcbx_set; struct qed_ptt *ptt; int rc, i; dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); if (!dcbx_info) return -EINVAL; if (!dcbx_info->operational.ieee) { DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n"); kfree(dcbx_info); return -EINVAL; } kfree(dcbx_info); memset(&dcbx_set, 0, sizeof(dcbx_set)); rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); if (rc) return -EINVAL; dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG; for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) dcbx_set.config.params.pfc.prio[i] = !!(pfc->pfc_en & BIT(i)); dcbx_set.config.params.pfc.max_tc = pfc->pfc_cap; ptt = qed_ptt_acquire(hwfn); if (!ptt) return -EINVAL; rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); qed_ptt_release(hwfn, ptt); return rc; } static int qed_dcbnl_get_ieee_ets(struct qed_dev *cdev, struct ieee_ets *ets, bool remote) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_get *dcbx_info; struct qed_dcbx_params *params; int rc; dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); if (!dcbx_info) return -EINVAL; if (!dcbx_info->operational.ieee) { DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n"); kfree(dcbx_info); return -EINVAL; } if (remote) { memset(dcbx_info, 0, sizeof(*dcbx_info)); rc = qed_dcbx_query_params(hwfn, dcbx_info, QED_DCBX_REMOTE_MIB); if (rc) { kfree(dcbx_info); return -EINVAL; } params = &dcbx_info->remote.params; } else { params = &dcbx_info->operational.params; } ets->ets_cap = params->max_ets_tc; ets->willing = params->ets_willing; ets->cbs = params->ets_cbs; memcpy(ets->tc_tx_bw, params->ets_tc_bw_tbl, sizeof(ets->tc_tx_bw)); memcpy(ets->tc_tsa, params->ets_tc_tsa_tbl, sizeof(ets->tc_tsa)); memcpy(ets->prio_tc, params->ets_pri_tc_tbl, sizeof(ets->prio_tc)); kfree(dcbx_info); return 0; } static int qed_dcbnl_ieee_getets(struct qed_dev *cdev, struct ieee_ets *ets) { return qed_dcbnl_get_ieee_ets(cdev, ets, false); } static int qed_dcbnl_ieee_setets(struct qed_dev *cdev, struct ieee_ets *ets) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_get *dcbx_info; struct qed_dcbx_set dcbx_set; struct qed_ptt *ptt; int rc; dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); if (!dcbx_info) return -EINVAL; if (!dcbx_info->operational.ieee) { DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n"); kfree(dcbx_info); return -EINVAL; } kfree(dcbx_info); memset(&dcbx_set, 0, sizeof(dcbx_set)); rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); if (rc) return -EINVAL; dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG; dcbx_set.config.params.max_ets_tc = ets->ets_cap; dcbx_set.config.params.ets_willing = ets->willing; dcbx_set.config.params.ets_cbs = ets->cbs; memcpy(dcbx_set.config.params.ets_tc_bw_tbl, ets->tc_tx_bw, sizeof(ets->tc_tx_bw)); memcpy(dcbx_set.config.params.ets_tc_tsa_tbl, ets->tc_tsa, sizeof(ets->tc_tsa)); memcpy(dcbx_set.config.params.ets_pri_tc_tbl, ets->prio_tc, sizeof(ets->prio_tc)); ptt = qed_ptt_acquire(hwfn); if (!ptt) return -EINVAL; rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); qed_ptt_release(hwfn, ptt); return rc; } static int qed_dcbnl_ieee_peer_getets(struct qed_dev *cdev, struct ieee_ets *ets) { return qed_dcbnl_get_ieee_ets(cdev, ets, true); } static int qed_dcbnl_ieee_peer_getpfc(struct qed_dev *cdev, struct ieee_pfc *pfc) { return qed_dcbnl_get_ieee_pfc(cdev, pfc, true); } static int qed_get_sf_ieee_value(u8 selector, u8 *sf_ieee) { switch (selector) { case IEEE_8021QAZ_APP_SEL_ETHERTYPE: *sf_ieee = QED_DCBX_SF_IEEE_ETHTYPE; break; case IEEE_8021QAZ_APP_SEL_STREAM: *sf_ieee = QED_DCBX_SF_IEEE_TCP_PORT; break; case IEEE_8021QAZ_APP_SEL_DGRAM: *sf_ieee = QED_DCBX_SF_IEEE_UDP_PORT; break; case IEEE_8021QAZ_APP_SEL_ANY: *sf_ieee = QED_DCBX_SF_IEEE_TCP_UDP_PORT; break; default: return -EINVAL; } return 0; } static int qed_dcbnl_ieee_getapp(struct qed_dev *cdev, struct dcb_app *app) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_get *dcbx_info; struct qed_app_entry *entry; u8 prio = 0; u8 sf_ieee; int i; DP_VERBOSE(hwfn, QED_MSG_DCB, "selector = %d protocol = %d\n", app->selector, app->protocol); if (qed_get_sf_ieee_value(app->selector, &sf_ieee)) { DP_INFO(cdev, "Invalid selector field value %d\n", app->selector); return -EINVAL; } dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); if (!dcbx_info) return -EINVAL; if (!dcbx_info->operational.ieee) { DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n"); kfree(dcbx_info); return -EINVAL; } for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) { entry = &dcbx_info->operational.params.app_entry[i]; if ((entry->sf_ieee == sf_ieee) && (entry->proto_id == app->protocol)) { prio = entry->prio; break; } } if (i == QED_DCBX_MAX_APP_PROTOCOL) { DP_ERR(cdev, "App entry (%d, %d) not found\n", app->selector, app->protocol); kfree(dcbx_info); return -EINVAL; } app->priority = ffs(prio) - 1; kfree(dcbx_info); return 0; } static int qed_dcbnl_ieee_setapp(struct qed_dev *cdev, struct dcb_app *app) { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); struct qed_dcbx_get *dcbx_info; struct qed_dcbx_set dcbx_set; struct qed_app_entry *entry; struct qed_ptt *ptt; u8 sf_ieee; int rc, i; DP_VERBOSE(hwfn, QED_MSG_DCB, "selector = %d protocol = %d pri = %d\n", app->selector, app->protocol, app->priority); if (app->priority >= QED_MAX_PFC_PRIORITIES) { DP_INFO(hwfn, "Invalid priority %d\n", app->priority); return -EINVAL; } if (qed_get_sf_ieee_value(app->selector, &sf_ieee)) { DP_INFO(cdev, "Invalid selector field value %d\n", app->selector); return -EINVAL; } dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB); if (!dcbx_info) return -EINVAL; if (!dcbx_info->operational.ieee) { DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n"); kfree(dcbx_info); return -EINVAL; } kfree(dcbx_info); memset(&dcbx_set, 0, sizeof(dcbx_set)); rc = qed_dcbx_get_config_params(hwfn, &dcbx_set); if (rc) return -EINVAL; for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) { entry = &dcbx_set.config.params.app_entry[i]; if ((entry->sf_ieee == sf_ieee) && (entry->proto_id == app->protocol)) break; /* First empty slot */ if (!entry->proto_id) { dcbx_set.config.params.num_app_entries++; break; } } if (i == QED_DCBX_MAX_APP_PROTOCOL) { DP_ERR(cdev, "App table is full\n"); return -EBUSY; } dcbx_set.override_flags |= QED_DCBX_OVERRIDE_APP_CFG; dcbx_set.config.params.app_entry[i].sf_ieee = sf_ieee; dcbx_set.config.params.app_entry[i].proto_id = app->protocol; dcbx_set.config.params.app_entry[i].prio = BIT(app->priority); ptt = qed_ptt_acquire(hwfn); if (!ptt) return -EBUSY; rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0); qed_ptt_release(hwfn, ptt); return rc; } const struct qed_eth_dcbnl_ops qed_dcbnl_ops_pass = { .getstate = qed_dcbnl_getstate, .setstate = qed_dcbnl_setstate, .getpgtccfgtx = qed_dcbnl_getpgtccfgtx, .getpgbwgcfgtx = qed_dcbnl_getpgbwgcfgtx, .getpgtccfgrx = qed_dcbnl_getpgtccfgrx, .getpgbwgcfgrx = qed_dcbnl_getpgbwgcfgrx, .getpfccfg = qed_dcbnl_getpfccfg, .setpfccfg = qed_dcbnl_setpfccfg, .getcap = qed_dcbnl_getcap, .getnumtcs = qed_dcbnl_getnumtcs, .getpfcstate = qed_dcbnl_getpfcstate, .getdcbx = qed_dcbnl_getdcbx, .setpgtccfgtx = qed_dcbnl_setpgtccfgtx, .setpgtccfgrx = qed_dcbnl_setpgtccfgrx, .setpgbwgcfgtx = qed_dcbnl_setpgbwgcfgtx, .setpgbwgcfgrx = qed_dcbnl_setpgbwgcfgrx, .setall = qed_dcbnl_setall, .setnumtcs = qed_dcbnl_setnumtcs, .setpfcstate = qed_dcbnl_setpfcstate, .setapp = qed_dcbnl_setapp, .setdcbx = qed_dcbnl_setdcbx, .setfeatcfg = qed_dcbnl_setfeatcfg, .getfeatcfg = qed_dcbnl_getfeatcfg, .getapp = qed_dcbnl_getapp, .peer_getappinfo = qed_dcbnl_peer_getappinfo, .peer_getapptable = qed_dcbnl_peer_getapptable, .cee_peer_getpfc = qed_dcbnl_cee_peer_getpfc, .cee_peer_getpg = qed_dcbnl_cee_peer_getpg, .ieee_getpfc = qed_dcbnl_ieee_getpfc, .ieee_setpfc = qed_dcbnl_ieee_setpfc, .ieee_getets = qed_dcbnl_ieee_getets, .ieee_setets = qed_dcbnl_ieee_setets, .ieee_peer_getpfc = qed_dcbnl_ieee_peer_getpfc, .ieee_peer_getets = qed_dcbnl_ieee_peer_getets, .ieee_getapp = qed_dcbnl_ieee_getapp, .ieee_setapp = qed_dcbnl_ieee_setapp, }; #endif
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