From 8b25d1ad5d2264bdfc2818c7bda74ee2697df6db Mon Sep 17 00:00:00 2001 From: Christian Ehrhardt Date: Wed, 6 Jul 2016 09:22:35 +0200 Subject: Imported Upstream version 16.07-rc1 Change-Id: I40a523e52f12e8496fdd69e902824b0226c303de Signed-off-by: Christian Ehrhardt --- drivers/net/qede/base/ecore_dcbx.c | 887 +++++++++++++++++++++++++++++++++++++ 1 file changed, 887 insertions(+) create mode 100644 drivers/net/qede/base/ecore_dcbx.c (limited to 'drivers/net/qede/base/ecore_dcbx.c') diff --git a/drivers/net/qede/base/ecore_dcbx.c b/drivers/net/qede/base/ecore_dcbx.c new file mode 100644 index 00000000..6a966cb9 --- /dev/null +++ b/drivers/net/qede/base/ecore_dcbx.c @@ -0,0 +1,887 @@ +/* + * Copyright (c) 2016 QLogic Corporation. + * All rights reserved. + * www.qlogic.com + * + * See LICENSE.qede_pmd for copyright and licensing details. + */ + +#include "bcm_osal.h" +#include "ecore.h" +#include "ecore_sp_commands.h" +#include "ecore_dcbx.h" +#include "ecore_cxt.h" +#include "ecore_gtt_reg_addr.h" +#include "ecore_iro.h" + +#define ECORE_DCBX_MAX_MIB_READ_TRY (100) +#define ECORE_MAX_PFC_PRIORITIES 8 +#define ECORE_ETH_TYPE_DEFAULT (0) + +#define ECORE_DCBX_INVALID_PRIORITY 0xFF + +/* Get Traffic Class from priority traffic class table, 4 bits represent + * the traffic class corresponding to the priority. + */ +#define ECORE_DCBX_PRIO2TC(prio_tc_tbl, prio) \ + ((u32)(pri_tc_tbl >> ((7 - prio) * 4)) & 0x7) + +static bool ecore_dcbx_app_ethtype(u32 app_info_bitmap) +{ + return (ECORE_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) == + DCBX_APP_SF_ETHTYPE) ? true : false; +} + +static bool ecore_dcbx_app_port(u32 app_info_bitmap) +{ + return (ECORE_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) == + DCBX_APP_SF_PORT) ? true : false; +} + +static bool ecore_dcbx_default_tlv(u32 app_info_bitmap, u16 proto_id) +{ + return (ecore_dcbx_app_ethtype(app_info_bitmap) && + proto_id == ECORE_ETH_TYPE_DEFAULT) ? true : false; +} + +static bool ecore_dcbx_enabled(u32 dcbx_cfg_bitmap) +{ + return (ECORE_MFW_GET_FIELD(dcbx_cfg_bitmap, DCBX_CONFIG_VERSION) == + DCBX_CONFIG_VERSION_DISABLED) ? false : true; +} + +static bool ecore_dcbx_cee(u32 dcbx_cfg_bitmap) +{ + return (ECORE_MFW_GET_FIELD(dcbx_cfg_bitmap, DCBX_CONFIG_VERSION) == + DCBX_CONFIG_VERSION_CEE) ? true : false; +} + +static bool ecore_dcbx_ieee(u32 dcbx_cfg_bitmap) +{ + return (ECORE_MFW_GET_FIELD(dcbx_cfg_bitmap, DCBX_CONFIG_VERSION) == + DCBX_CONFIG_VERSION_IEEE) ? true : false; +} + +/* @@@TBD A0 Eagle workaround */ +void ecore_dcbx_eagle_workaround(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, bool set_to_pfc) +{ + if (!ENABLE_EAGLE_ENG1_WORKAROUND(p_hwfn)) + return; + + ecore_wr(p_hwfn, p_ptt, + YSEM_REG_FAST_MEMORY + 0x20000 /* RAM in FASTMEM */ + + YSTORM_FLOW_CONTROL_MODE_OFFSET, + set_to_pfc ? flow_ctrl_pfc : flow_ctrl_pause); + ecore_wr(p_hwfn, p_ptt, NIG_REG_FLOWCTRL_MODE, + EAGLE_ENG1_WORKAROUND_NIG_FLOWCTRL_MODE); +} + +static void +ecore_dcbx_dp_protocol(struct ecore_hwfn *p_hwfn, + struct ecore_dcbx_results *p_data) +{ + struct ecore_hw_info *p_info = &p_hwfn->hw_info; + enum dcbx_protocol_type id; + bool enable, update; + u8 prio, tc, size; + const char *name; /* @DPDK */ + int i; + + size = OSAL_ARRAY_SIZE(ecore_dcbx_app_update); + + DP_INFO(p_hwfn, "DCBX negotiated: %d\n", p_data->dcbx_enabled); + + for (i = 0; i < size; i++) { + id = ecore_dcbx_app_update[i].id; + name = ecore_dcbx_app_update[i].name; + + enable = p_data->arr[id].enable; + update = p_data->arr[id].update; + tc = p_data->arr[id].tc; + prio = p_data->arr[id].priority; + + DP_INFO(p_hwfn, + "%s info: update %d, enable %d, prio %d, tc %d, num_tc %d\n", + name, update, enable, prio, tc, p_info->num_tc); + } +} + +static void +ecore_dcbx_set_pf_tcs(struct ecore_hw_info *p_info, + u8 tc, enum ecore_pci_personality personality) +{ + /* QM reconf data */ + if (p_info->personality == personality) { + if (personality == ECORE_PCI_ETH) + p_info->non_offload_tc = tc; + else + p_info->offload_tc = tc; + } +} + +void +ecore_dcbx_set_params(struct ecore_dcbx_results *p_data, + struct ecore_hw_info *p_info, + bool enable, bool update, u8 prio, u8 tc, + enum dcbx_protocol_type type, + enum ecore_pci_personality personality) +{ + /* PF update ramrod data */ + p_data->arr[type].update = update; + p_data->arr[type].enable = enable; + p_data->arr[type].priority = prio; + p_data->arr[type].tc = tc; + + ecore_dcbx_set_pf_tcs(p_info, tc, personality); +} + +/* Update app protocol data and hw_info fields with the TLV info */ +static void +ecore_dcbx_update_app_info(struct ecore_dcbx_results *p_data, + struct ecore_hwfn *p_hwfn, + bool enable, bool update, u8 prio, u8 tc, + enum dcbx_protocol_type type) +{ + struct ecore_hw_info *p_info = &p_hwfn->hw_info; + enum ecore_pci_personality personality; + enum dcbx_protocol_type id; + const char *name; /* @DPDK */ + u8 size; + int i; + + size = OSAL_ARRAY_SIZE(ecore_dcbx_app_update); + + for (i = 0; i < size; i++) { + id = ecore_dcbx_app_update[i].id; + + if (type != id) + continue; + + personality = ecore_dcbx_app_update[i].personality; + name = ecore_dcbx_app_update[i].name; + + ecore_dcbx_set_params(p_data, p_info, enable, update, + prio, tc, type, personality); + } +} + +static enum _ecore_status_t +ecore_dcbx_get_app_priority(u8 pri_bitmap, u8 *priority) +{ + u32 pri_mask, pri = ECORE_MAX_PFC_PRIORITIES; + u32 index = ECORE_MAX_PFC_PRIORITIES - 1; + enum _ecore_status_t rc = ECORE_SUCCESS; + + /* Bitmap 1 corresponds to priority 0, return priority 0 */ + if (pri_bitmap == 1) { + *priority = 0; + return rc; + } + + /* Choose the highest priority */ + while ((pri == ECORE_MAX_PFC_PRIORITIES) && index) { + pri_mask = 1 << index; + if (pri_bitmap & pri_mask) + pri = index; + index--; + } + + if (pri < ECORE_MAX_PFC_PRIORITIES) + *priority = (u8)pri; + else + rc = ECORE_INVAL; + + return rc; +} + +static bool +ecore_dcbx_get_app_protocol_type(struct ecore_hwfn *p_hwfn, + u32 app_prio_bitmap, u16 id, int *type) +{ + bool status = false; + + if (ecore_dcbx_default_tlv(app_prio_bitmap, id)) { + *type = DCBX_PROTOCOL_ETH; + status = true; + } else { + DP_ERR(p_hwfn, "Unsupported protocol %d\n", id); + } + + return status; +} + +/* Parse app TLV's to update TC information in hw_info structure for + * reconfiguring QM. Get protocol specific data for PF update ramrod command. + */ +static enum _ecore_status_t +ecore_dcbx_process_tlv(struct ecore_hwfn *p_hwfn, + struct ecore_dcbx_results *p_data, + struct dcbx_app_priority_entry *p_tbl, u32 pri_tc_tbl, + int count, bool dcbx_enabled) +{ + enum _ecore_status_t rc = ECORE_SUCCESS; + u8 tc, priority, priority_map; + int i, type = -1; + u16 protocol_id; + bool enable; + + DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "Num APP entries = %d\n", count); + + /* Parse APP TLV */ + for (i = 0; i < count; i++) { + protocol_id = ECORE_MFW_GET_FIELD(p_tbl[i].entry, + DCBX_APP_PROTOCOL_ID); + priority_map = ECORE_MFW_GET_FIELD(p_tbl[i].entry, + DCBX_APP_PRI_MAP); + rc = ecore_dcbx_get_app_priority(priority_map, &priority); + if (rc == ECORE_INVAL) { + DP_ERR(p_hwfn, "Invalid priority\n"); + return rc; + } + + tc = ECORE_DCBX_PRIO2TC(pri_tc_tbl, priority); + if (ecore_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry, + protocol_id, &type)) { + /* 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. + */ + enable = (type == DCBX_PROTOCOL_ETH ? false : true); + + ecore_dcbx_update_app_info(p_data, p_hwfn, enable, true, + priority, tc, type); + } + } + /* 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_enabled; + ecore_dcbx_update_app_info(p_data, p_hwfn, enable, true, + priority, tc, type); + } + + return ECORE_SUCCESS; +} + +/* Parse app TLV's to update TC information in hw_info structure for + * reconfiguring QM. Get protocol specific data for PF update ramrod command. + */ +static enum _ecore_status_t +ecore_dcbx_process_mib_info(struct ecore_hwfn *p_hwfn) +{ + struct dcbx_app_priority_feature *p_app; + enum _ecore_status_t rc = ECORE_SUCCESS; + struct ecore_dcbx_results data = { 0 }; + struct dcbx_app_priority_entry *p_tbl; + struct dcbx_ets_feature *p_ets; + struct ecore_hw_info *p_info; + u32 pri_tc_tbl, flags; + bool dcbx_enabled; + int num_entries; + + /* If DCBx version is non zero, then negotiation was + * successfuly performed + */ + flags = p_hwfn->p_dcbx_info->operational.flags; + dcbx_enabled = ECORE_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) != 0; + + 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 = ECORE_MFW_GET_FIELD(p_app->flags, DCBX_APP_NUM_ENTRIES); + + rc = ecore_dcbx_process_tlv(p_hwfn, &data, p_tbl, pri_tc_tbl, + num_entries, dcbx_enabled); + if (rc != ECORE_SUCCESS) + return rc; + + p_info->num_tc = ECORE_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_MAX_TCS); + data.pf_id = p_hwfn->rel_pf_id; + data.dcbx_enabled = dcbx_enabled; + + ecore_dcbx_dp_protocol(p_hwfn, &data); + + OSAL_MEMCPY(&p_hwfn->p_dcbx_info->results, &data, + sizeof(struct ecore_dcbx_results)); + + return ECORE_SUCCESS; +} + +static enum _ecore_status_t +ecore_dcbx_copy_mib(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_dcbx_mib_meta_data *p_data, + enum ecore_mib_read_type type) +{ + enum _ecore_status_t rc = ECORE_SUCCESS; + u32 prefix_seq_num, suffix_seq_num; + int read_count = 0; + + do { + if (type == ECORE_DCBX_REMOTE_LLDP_MIB) { + ecore_memcpy_from(p_hwfn, p_ptt, p_data->lldp_remote, + p_data->addr, p_data->size); + prefix_seq_num = p_data->lldp_remote->prefix_seq_num; + suffix_seq_num = p_data->lldp_remote->suffix_seq_num; + } else { + ecore_memcpy_from(p_hwfn, p_ptt, p_data->mib, + p_data->addr, p_data->size); + prefix_seq_num = p_data->mib->prefix_seq_num; + suffix_seq_num = p_data->mib->suffix_seq_num; + } + read_count++; + + DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, + "mib type = %d, try count = %d prefix seq num = %d suffix seq num = %d\n", + type, read_count, prefix_seq_num, suffix_seq_num); + } while ((prefix_seq_num != suffix_seq_num) && + (read_count < ECORE_DCBX_MAX_MIB_READ_TRY)); + + if (read_count >= ECORE_DCBX_MAX_MIB_READ_TRY) { + DP_ERR(p_hwfn, + "MIB read err, mib type = %d, try count = %d prefix seq num = %d suffix seq num = %d\n", + type, read_count, prefix_seq_num, suffix_seq_num); + rc = ECORE_IO; + } + + return rc; +} + +static enum _ecore_status_t +ecore_dcbx_get_priority_info(struct ecore_hwfn *p_hwfn, + struct ecore_dcbx_app_prio *p_prio, + struct ecore_dcbx_results *p_results) +{ + enum _ecore_status_t rc = ECORE_SUCCESS; + + if (p_results->arr[DCBX_PROTOCOL_ETH].update && + p_results->arr[DCBX_PROTOCOL_ETH].enable) { + p_prio->eth = p_results->arr[DCBX_PROTOCOL_ETH].priority; + DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, + "Priority: eth %d\n", p_prio->eth); + } + + return rc; +} + +static void +ecore_dcbx_get_app_data(struct ecore_hwfn *p_hwfn, + struct dcbx_app_priority_feature *p_app, + struct dcbx_app_priority_entry *p_tbl, + struct ecore_dcbx_params *p_params) +{ + int i; + + p_params->app_willing = ECORE_MFW_GET_FIELD(p_app->flags, + DCBX_APP_WILLING); + p_params->app_valid = ECORE_MFW_GET_FIELD(p_app->flags, + DCBX_APP_ENABLED); + p_params->num_app_entries = ECORE_MFW_GET_FIELD(p_app->flags, + DCBX_APP_ENABLED); + for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) + p_params->app_bitmap[i] = p_tbl[i].entry; + + DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, + "APP params: willing %d, valid %d\n", + p_params->app_willing, p_params->app_valid); +} + +static void +ecore_dcbx_get_pfc_data(struct ecore_hwfn *p_hwfn, + u32 pfc, struct ecore_dcbx_params *p_params) +{ + p_params->pfc_willing = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_WILLING); + p_params->max_pfc_tc = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_CAPS); + p_params->pfc_enabled = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_ENABLED); + p_params->pfc_bitmap = pfc; + + DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, + "PFC params: willing %d, pfc_bitmap %d\n", + p_params->pfc_willing, p_params->pfc_bitmap); +} + +static void +ecore_dcbx_get_ets_data(struct ecore_hwfn *p_hwfn, + struct dcbx_ets_feature *p_ets, + struct ecore_dcbx_params *p_params) +{ + int i; + + p_params->ets_willing = ECORE_MFW_GET_FIELD(p_ets->flags, + DCBX_ETS_WILLING); + p_params->ets_enabled = ECORE_MFW_GET_FIELD(p_ets->flags, + DCBX_ETS_ENABLED); + p_params->max_ets_tc = ECORE_MFW_GET_FIELD(p_ets->flags, + DCBX_ETS_MAX_TCS); + p_params->ets_pri_tc_tbl[0] = p_ets->pri_tc_tbl[0]; + + DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, + "ETS params: willing %d, pri_tc_tbl_0 %x max_ets_tc %d\n", + p_params->ets_willing, p_params->ets_pri_tc_tbl[0], + 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. + */ + for (i = 0; i < 2; i++) { + p_params->ets_tc_tsa_tbl[i] = p_ets->tc_tsa_tbl[i]; + p_params->ets_tc_bw_tbl[i] = p_ets->tc_bw_tbl[i]; + + DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, + "elem %d bw_tbl %x tsa_tbl %x\n", + i, p_params->ets_tc_bw_tbl[i], + p_params->ets_tc_tsa_tbl[i]); + } +} + +static enum _ecore_status_t +ecore_dcbx_get_common_params(struct ecore_hwfn *p_hwfn, + struct dcbx_app_priority_feature *p_app, + struct dcbx_app_priority_entry *p_tbl, + struct dcbx_ets_feature *p_ets, + u32 pfc, struct ecore_dcbx_params *p_params) +{ + ecore_dcbx_get_app_data(p_hwfn, p_app, p_tbl, p_params); + ecore_dcbx_get_ets_data(p_hwfn, p_ets, p_params); + ecore_dcbx_get_pfc_data(p_hwfn, pfc, p_params); + + return ECORE_SUCCESS; +} + +static enum _ecore_status_t +ecore_dcbx_get_local_params(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_dcbx_get *params) +{ + struct ecore_dcbx_admin_params *p_local; + struct dcbx_app_priority_feature *p_app; + struct dcbx_app_priority_entry *p_tbl; + struct ecore_dcbx_params *p_data; + struct dcbx_ets_feature *p_ets; + u32 pfc; + + p_local = ¶ms->local; + p_data = &p_local->params; + p_app = &p_hwfn->p_dcbx_info->local_admin.features.app; + p_tbl = p_app->app_pri_tbl; + p_ets = &p_hwfn->p_dcbx_info->local_admin.features.ets; + pfc = p_hwfn->p_dcbx_info->local_admin.features.pfc; + + ecore_dcbx_get_common_params(p_hwfn, p_app, p_tbl, p_ets, pfc, p_data); + p_local->valid = true; + + return ECORE_SUCCESS; +} + +static enum _ecore_status_t +ecore_dcbx_get_remote_params(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_dcbx_get *params) +{ + struct ecore_dcbx_remote_params *p_remote; + struct dcbx_app_priority_feature *p_app; + struct dcbx_app_priority_entry *p_tbl; + struct ecore_dcbx_params *p_data; + struct dcbx_ets_feature *p_ets; + u32 pfc; + + p_remote = ¶ms->remote; + p_data = &p_remote->params; + p_app = &p_hwfn->p_dcbx_info->remote.features.app; + p_tbl = p_app->app_pri_tbl; + p_ets = &p_hwfn->p_dcbx_info->remote.features.ets; + pfc = p_hwfn->p_dcbx_info->remote.features.pfc; + + ecore_dcbx_get_common_params(p_hwfn, p_app, p_tbl, p_ets, pfc, p_data); + p_remote->valid = true; + + return ECORE_SUCCESS; +} + +static enum _ecore_status_t +ecore_dcbx_get_operational_params(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_dcbx_get *params) +{ + struct ecore_dcbx_operational_params *p_operational; + enum _ecore_status_t rc = ECORE_SUCCESS; + struct dcbx_app_priority_feature *p_app; + struct dcbx_app_priority_entry *p_tbl; + struct ecore_dcbx_results *p_results; + struct ecore_dcbx_params *p_data; + struct dcbx_ets_feature *p_ets; + bool enabled, err; + u32 pfc, flags; + + flags = p_hwfn->p_dcbx_info->operational.flags; + + /* If DCBx version is non zero, then negotiation + * was successfuly performed + */ + p_operational = ¶ms->operational; + enabled = ecore_dcbx_enabled(flags); + if (!enabled) { + p_operational->enabled = enabled; + p_operational->valid = false; + return ECORE_INVAL; + } + + p_data = &p_operational->params; + p_results = &p_hwfn->p_dcbx_info->results; + 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; + pfc = p_hwfn->p_dcbx_info->operational.features.pfc; + + p_operational->ieee = ecore_dcbx_ieee(flags); + p_operational->cee = ecore_dcbx_cee(flags); + + DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, + "Version support: ieee %d, cee %d\n", + p_operational->ieee, p_operational->cee); + + ecore_dcbx_get_common_params(p_hwfn, p_app, p_tbl, p_ets, pfc, p_data); + ecore_dcbx_get_priority_info(p_hwfn, &p_operational->app_prio, + p_results); + err = ECORE_MFW_GET_FIELD(p_app->flags, DCBX_APP_ERROR); + p_operational->err = err; + p_operational->enabled = enabled; + p_operational->valid = true; + + return rc; +} + +static enum _ecore_status_t +ecore_dcbx_get_local_lldp_params(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_dcbx_get *params) +{ + struct ecore_dcbx_lldp_local *p_local; + osal_size_t size; + u32 *dest; + + p_local = ¶ms->lldp_local; + + size = OSAL_ARRAY_SIZE(p_local->local_chassis_id); + dest = p_hwfn->p_dcbx_info->get.lldp_local.local_chassis_id; + OSAL_MEMCPY(dest, p_local->local_chassis_id, size); + + size = OSAL_ARRAY_SIZE(p_local->local_port_id); + dest = p_hwfn->p_dcbx_info->get.lldp_local.local_port_id; + OSAL_MEMCPY(dest, p_local->local_port_id, size); + + return ECORE_SUCCESS; +} + +static enum _ecore_status_t +ecore_dcbx_get_remote_lldp_params(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_dcbx_get *params) +{ + struct ecore_dcbx_lldp_remote *p_remote; + osal_size_t size; + u32 *dest; + + p_remote = ¶ms->lldp_remote; + + size = OSAL_ARRAY_SIZE(p_remote->peer_chassis_id); + dest = p_hwfn->p_dcbx_info->get.lldp_remote.peer_chassis_id; + OSAL_MEMCPY(dest, p_remote->peer_chassis_id, size); + + size = OSAL_ARRAY_SIZE(p_remote->peer_port_id); + dest = p_hwfn->p_dcbx_info->get.lldp_remote.peer_port_id; + OSAL_MEMCPY(dest, p_remote->peer_port_id, size); + + return ECORE_SUCCESS; +} + +static enum _ecore_status_t +ecore_dcbx_get_params(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, enum ecore_mib_read_type type) +{ + enum _ecore_status_t rc = ECORE_SUCCESS; + struct ecore_dcbx_get *p_params; + + p_params = &p_hwfn->p_dcbx_info->get; + + switch (type) { + case ECORE_DCBX_REMOTE_MIB: + ecore_dcbx_get_remote_params(p_hwfn, p_ptt, p_params); + break; + case ECORE_DCBX_LOCAL_MIB: + ecore_dcbx_get_local_params(p_hwfn, p_ptt, p_params); + break; + case ECORE_DCBX_OPERATIONAL_MIB: + ecore_dcbx_get_operational_params(p_hwfn, p_ptt, p_params); + break; + case ECORE_DCBX_REMOTE_LLDP_MIB: + rc = ecore_dcbx_get_remote_lldp_params(p_hwfn, p_ptt, p_params); + break; + case ECORE_DCBX_LOCAL_LLDP_MIB: + rc = ecore_dcbx_get_local_lldp_params(p_hwfn, p_ptt, p_params); + break; + default: + DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type); + return ECORE_INVAL; + } + + return rc; +} + +static enum _ecore_status_t +ecore_dcbx_read_local_lldp_mib(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt) +{ + enum _ecore_status_t rc = ECORE_SUCCESS; + struct ecore_dcbx_mib_meta_data data; + + data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port, + lldp_config_params); + data.lldp_local = p_hwfn->p_dcbx_info->lldp_local; + data.size = sizeof(struct lldp_config_params_s); + ecore_memcpy_from(p_hwfn, p_ptt, data.lldp_local, data.addr, data.size); + + return rc; +} + +static enum _ecore_status_t +ecore_dcbx_read_remote_lldp_mib(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + enum ecore_mib_read_type type) +{ + enum _ecore_status_t rc = ECORE_SUCCESS; + struct ecore_dcbx_mib_meta_data data; + + data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port, + lldp_status_params); + data.lldp_remote = p_hwfn->p_dcbx_info->lldp_remote; + data.size = sizeof(struct lldp_status_params_s); + rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type); + + return rc; +} + +static enum _ecore_status_t +ecore_dcbx_read_operational_mib(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + enum ecore_mib_read_type type) +{ + struct ecore_dcbx_mib_meta_data data; + enum _ecore_status_t rc = ECORE_SUCCESS; + + data.addr = p_hwfn->mcp_info->port_addr + + offsetof(struct public_port, operational_dcbx_mib); + data.mib = &p_hwfn->p_dcbx_info->operational; + data.size = sizeof(struct dcbx_mib); + rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type); + + return rc; +} + +static enum _ecore_status_t +ecore_dcbx_read_remote_mib(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + enum ecore_mib_read_type type) +{ + struct ecore_dcbx_mib_meta_data data; + enum _ecore_status_t rc = ECORE_SUCCESS; + + data.addr = p_hwfn->mcp_info->port_addr + + offsetof(struct public_port, remote_dcbx_mib); + data.mib = &p_hwfn->p_dcbx_info->remote; + data.size = sizeof(struct dcbx_mib); + rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type); + + return rc; +} + +static enum _ecore_status_t +ecore_dcbx_read_local_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt) +{ + struct ecore_dcbx_mib_meta_data data; + enum _ecore_status_t rc = ECORE_SUCCESS; + + data.addr = p_hwfn->mcp_info->port_addr + + offsetof(struct public_port, local_admin_dcbx_mib); + data.local_admin = &p_hwfn->p_dcbx_info->local_admin; + data.size = sizeof(struct dcbx_local_params); + ecore_memcpy_from(p_hwfn, p_ptt, data.local_admin, + data.addr, data.size); + + return rc; +} + +static enum _ecore_status_t ecore_dcbx_read_mib(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + enum ecore_mib_read_type type) +{ + enum _ecore_status_t rc = ECORE_SUCCESS; + + switch (type) { + case ECORE_DCBX_OPERATIONAL_MIB: + rc = ecore_dcbx_read_operational_mib(p_hwfn, p_ptt, type); + break; + case ECORE_DCBX_REMOTE_MIB: + rc = ecore_dcbx_read_remote_mib(p_hwfn, p_ptt, type); + break; + case ECORE_DCBX_LOCAL_MIB: + rc = ecore_dcbx_read_local_mib(p_hwfn, p_ptt); + break; + case ECORE_DCBX_REMOTE_LLDP_MIB: + rc = ecore_dcbx_read_remote_lldp_mib(p_hwfn, p_ptt, type); + break; + case ECORE_DCBX_LOCAL_LLDP_MIB: + rc = ecore_dcbx_read_local_lldp_mib(p_hwfn, p_ptt); + break; + default: + DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type); + return ECORE_INVAL; + } + + return rc; +} + +/* + * Read updated MIB. + * Reconfigure QM and invoke PF update ramrod command if operational MIB + * change is detected. + */ +enum _ecore_status_t +ecore_dcbx_mib_update_event(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt, + enum ecore_mib_read_type type) +{ + enum _ecore_status_t rc = ECORE_SUCCESS; + + rc = ecore_dcbx_read_mib(p_hwfn, p_ptt, type); + if (rc) + return rc; + + if (type == ECORE_DCBX_OPERATIONAL_MIB) { + rc = ecore_dcbx_process_mib_info(p_hwfn); + if (!rc) { + bool enabled; + + /* reconfigure tcs of QM queues according + * to negotiation results + */ + ecore_qm_reconf(p_hwfn, p_ptt); + + /* update storm FW with negotiation results */ + ecore_sp_pf_update(p_hwfn); + + /* set eagle enigne 1 flow control workaround + * according to negotiation results + */ + enabled = p_hwfn->p_dcbx_info->results.dcbx_enabled; + ecore_dcbx_eagle_workaround(p_hwfn, p_ptt, enabled); + } + } + ecore_dcbx_get_params(p_hwfn, p_ptt, type); + OSAL_DCBX_AEN(p_hwfn, type); + + return rc; +} + +enum _ecore_status_t ecore_dcbx_info_alloc(struct ecore_hwfn *p_hwfn) +{ + enum _ecore_status_t rc = ECORE_SUCCESS; + + p_hwfn->p_dcbx_info = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL, + sizeof(struct ecore_dcbx_info)); + if (!p_hwfn->p_dcbx_info) { + DP_NOTICE(p_hwfn, true, + "Failed to allocate `struct ecore_dcbx_info'"); + rc = ECORE_NOMEM; + } + + return rc; +} + +void ecore_dcbx_info_free(struct ecore_hwfn *p_hwfn, + struct ecore_dcbx_info *p_dcbx_info) +{ + OSAL_FREE(p_hwfn->p_dev, p_hwfn->p_dcbx_info); +} + +static void ecore_dcbx_update_protocol_data(struct protocol_dcb_data *p_data, + struct ecore_dcbx_results *p_src, + enum dcbx_protocol_type type) +{ + p_data->dcb_enable_flag = p_src->arr[type].enable; + p_data->dcb_priority = p_src->arr[type].priority; + p_data->dcb_tc = p_src->arr[type].tc; +} + +/* Set pf update ramrod command params */ +void ecore_dcbx_set_pf_update_params(struct ecore_dcbx_results *p_src, + struct pf_update_ramrod_data *p_dest) +{ + struct protocol_dcb_data *p_dcb_data; + bool update_flag; + + p_dest->pf_id = p_src->pf_id; + + update_flag = p_src->arr[DCBX_PROTOCOL_ETH].update; + p_dest->update_eth_dcb_data_flag = update_flag; + + p_dcb_data = &p_dest->eth_dcb_data; + ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ETH); +} + +static +enum _ecore_status_t ecore_dcbx_query(struct ecore_hwfn *p_hwfn, + enum ecore_mib_read_type type) +{ + struct ecore_ptt *p_ptt; + enum _ecore_status_t rc; + + p_ptt = ecore_ptt_acquire(p_hwfn); + if (!p_ptt) { + rc = ECORE_TIMEOUT; + DP_ERR(p_hwfn, "rc = %d\n", rc); + return rc; + } + + rc = ecore_dcbx_read_mib(p_hwfn, p_ptt, type); + if (rc != ECORE_SUCCESS) + goto out; + + rc = ecore_dcbx_get_params(p_hwfn, p_ptt, type); + +out: + ecore_ptt_release(p_hwfn, p_ptt); + return rc; +} + +enum _ecore_status_t ecore_dcbx_query_params(struct ecore_hwfn *p_hwfn, + struct ecore_dcbx_get *p_get, + enum ecore_mib_read_type type) +{ + enum _ecore_status_t rc; + + rc = ecore_dcbx_query(p_hwfn, type); + if (rc) + return rc; + + if (p_get != OSAL_NULL) + OSAL_MEMCPY(p_get, &p_hwfn->p_dcbx_info->get, + sizeof(struct ecore_dcbx_get)); + + return rc; +} -- cgit 1.2.3-korg