--- /dev/null
+/*
+ * 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;
+}
Code Review / deb_dpdk.git / blobdiff