#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 "qed_dcbx.h"
#include "qed_hsi.h"
#include "qed_sp.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)
* 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);
+ enable = !(type == DCBX_PROTOCOL_ETH);
qed_dcbx_update_app_info(p_data, p_hwfn, enable, true,
priority, tc, type);
if (p_data->arr[type].update)
continue;
- enable = (type == DCBX_PROTOCOL_ETH) ? false : dcbx_enabled;
+ enable = !(type == DCBX_PROTOCOL_ETH);
qed_dcbx_update_app_info(p_data, p_hwfn, enable, true,
priority, tc, type);
}
return rc;
}
+#ifdef CONFIG_DCB
+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)
+{
+ 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];
+ 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);
+ }
+
+ 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 %d\n",
+ p_params->pfc.willing, pfc_map);
+}
+
+static void
+qed_dcbx_get_ets_data(struct qed_hwfn *p_hwfn,
+ struct dcbx_ets_feature *p_ets,
+ struct qed_dcbx_params *p_params)
+{
+ u32 bw_map[2], tsa_map[2], pri_map;
+ int i;
+
+ p_params->ets_willing = QED_MFW_GET_FIELD(p_ets->flags,
+ DCBX_ETS_WILLING);
+ p_params->ets_enabled = QED_MFW_GET_FIELD(p_ets->flags,
+ DCBX_ETS_ENABLED);
+ p_params->ets_cbs = QED_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_CBS);
+ p_params->max_ets_tc = QED_MFW_GET_FIELD(p_ets->flags,
+ DCBX_ETS_MAX_TCS);
+ DP_VERBOSE(p_hwfn, QED_MSG_DCB,
+ "ETS params: willing %d, ets_cbs %d pri_tc_tbl_0 %x max_ets_tc %d\n",
+ p_params->ets_willing,
+ p_params->ets_cbs,
+ p_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.
+ */
+ bw_map[0] = be32_to_cpu(p_ets->tc_bw_tbl[0]);
+ bw_map[1] = be32_to_cpu(p_ets->tc_bw_tbl[1]);
+ tsa_map[0] = be32_to_cpu(p_ets->tc_tsa_tbl[0]);
+ tsa_map[1] = be32_to_cpu(p_ets->tc_tsa_tbl[1]);
+ pri_map = be32_to_cpu(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)
+{
+ qed_dcbx_get_app_data(p_hwfn, p_app, p_tbl, p_params);
+ 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_ptt *p_ptt, 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);
+ params->local.valid = true;
+}
+
+static void
+qed_dcbx_get_remote_params(struct qed_hwfn *p_hwfn,
+ struct qed_ptt *p_ptt, 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);
+ params->remote.valid = true;
+}
+
+static void
+qed_dcbx_get_operational_params(struct qed_hwfn *p_hwfn,
+ struct qed_ptt *p_ptt,
+ 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;
+ 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;
+
+ DP_VERBOSE(p_hwfn, QED_MSG_DCB, "Version support: ieee %d, cee %d\n",
+ p_operational->ieee, p_operational->cee);
+
+ 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);
+ 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_ptt *p_ptt,
+ 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,
+ ARRAY_SIZE(p_local->local_chassis_id));
+ memcpy(params->lldp_local.local_port_id, p_local->local_port_id,
+ ARRAY_SIZE(p_local->local_port_id));
+}
+
+static void
+qed_dcbx_get_remote_lldp_params(struct qed_hwfn *p_hwfn,
+ struct qed_ptt *p_ptt,
+ 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,
+ ARRAY_SIZE(p_remote->peer_chassis_id));
+ memcpy(params->lldp_remote.peer_port_id, p_remote->peer_port_id,
+ ARRAY_SIZE(p_remote->peer_port_id));
+}
+
+static int
+qed_dcbx_get_params(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
+ 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_ptt, p_params);
+ break;
+ case QED_DCBX_LOCAL_MIB:
+ qed_dcbx_get_local_params(p_hwfn, p_ptt, p_params);
+ break;
+ case QED_DCBX_OPERATIONAL_MIB:
+ qed_dcbx_get_operational_params(p_hwfn, p_ptt, p_params);
+ break;
+ case QED_DCBX_REMOTE_LLDP_MIB:
+ qed_dcbx_get_remote_lldp_params(p_hwfn, p_ptt, p_params);
+ break;
+ case QED_DCBX_LOCAL_LLDP_MIB:
+ qed_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 -EINVAL;
+ }
+
+ return 0;
+}
+#endif
+
static int
qed_dcbx_read_local_lldp_mib(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
{
p_dcb_data = &p_dest->eth_dcb_data;
qed_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ETH);
}
+
+#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;
+
+ 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_ptt, 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;
+
+ 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 |= (pfc_map << DCBX_PFC_PRI_EN_BITMAP_SHIFT);
+
+ DP_VERBOSE(p_hwfn, QED_MSG_DCB, "pfc = 0x%x\n", *pfc);
+}
+
+static void
+qed_dcbx_set_ets_data(struct qed_hwfn *p_hwfn,
+ struct dcbx_ets_feature *p_ets,
+ struct qed_dcbx_params *p_params)
+{
+ u8 *bw_map, *tsa_map;
+ u32 val;
+ int i;
+
+ if (p_params->ets_willing)
+ p_ets->flags |= DCBX_ETS_WILLING_MASK;
+ else
+ p_ets->flags &= ~DCBX_ETS_WILLING_MASK;
+
+ if (p_params->ets_cbs)
+ p_ets->flags |= DCBX_ETS_CBS_MASK;
+ else
+ p_ets->flags &= ~DCBX_ETS_CBS_MASK;
+
+ if (p_params->ets_enabled)
+ p_ets->flags |= DCBX_ETS_ENABLED_MASK;
+ else
+ p_ets->flags &= ~DCBX_ETS_ENABLED_MASK;
+
+ p_ets->flags &= ~DCBX_ETS_MAX_TCS_MASK;
+ p_ets->flags |= (u32)p_params->max_ets_tc << DCBX_ETS_MAX_TCS_SHIFT;
+
+ bw_map = (u8 *)&p_ets->tc_bw_tbl[0];
+ tsa_map = (u8 *)&p_ets->tc_tsa_tbl[0];
+ p_ets->pri_tc_tbl[0] = 0;
+ for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) {
+ bw_map[i] = p_params->ets_tc_bw_tbl[i];
+ tsa_map[i] = p_params->ets_tc_tsa_tbl[i];
+ /* Copy the priority value to the corresponding 4 bits in the
+ * traffic class table.
+ */
+ val = (((u32)p_params->ets_pri_tc_tbl[i]) << ((7 - i) * 4));
+ p_ets->pri_tc_tbl[0] |= val;
+ }
+ p_ets->pri_tc_tbl[0] = cpu_to_be32(p_ets->pri_tc_tbl[0]);
+ for (i = 0; i < 2; i++) {
+ p_ets->tc_bw_tbl[i] = cpu_to_be32(p_ets->tc_bw_tbl[i]);
+ p_ets->tc_tsa_tbl[i] = cpu_to_be32(p_ets->tc_tsa_tbl[i]);
+ }
+}
+
+static void
+qed_dcbx_set_app_data(struct qed_hwfn *p_hwfn,
+ struct dcbx_app_priority_feature *p_app,
+ struct qed_dcbx_params *p_params)
+{
+ 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 &= ~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)
+{
+ 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;
+ else
+ local_admin->config = DCBX_CONFIG_VERSION_DISABLED;
+
+ 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);
+}
+
+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 = kmalloc(sizeof(*dcbx_info), GFP_KERNEL);
+ if (!dcbx_info) {
+ DP_ERR(p_hwfn, "Failed to allocate struct qed_dcbx_info\n");
+ 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;
+
+ p_hwfn->p_dcbx_info->set.enabled = dcbx_info->operational.enabled;
+ memcpy(&p_hwfn->p_dcbx_info->set.config.params,
+ &dcbx_info->operational.params,
+ sizeof(struct qed_dcbx_admin_params));
+ p_hwfn->p_dcbx_info->set.config.valid = true;
+
+ memcpy(params, &p_hwfn->p_dcbx_info->set, sizeof(struct qed_dcbx_set));
+
+ kfree(dcbx_info);
+
+ return 0;
+}
+
+static struct qed_dcbx_get *qed_dcbnl_get_dcbx(struct qed_hwfn *hwfn,
+ enum qed_mib_read_type type)
+{
+ struct qed_dcbx_get *dcbx_info;
+
+ dcbx_info = kmalloc(sizeof(*dcbx_info), GFP_KERNEL);
+ if (!dcbx_info) {
+ DP_ERR(hwfn->cdev, "Failed to allocate memory for dcbx_info\n");
+ 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_LLD_MANAGED | DCB_CAP_DCBX_VER_CEE |
+ DCB_CAP_DCBX_VER_IEEE);
+ 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.enabled)
+ mode |= DCB_CAP_DCBX_LLD_MANAGED;
+ if (dcbx_info->operational.ieee)
+ mode |= DCB_CAP_DCBX_VER_IEEE;
+ if (dcbx_info->operational.cee)
+ mode |= DCB_CAP_DCBX_VER_CEE;
+
+ 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)
+ 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)) {
+ DP_INFO(hwfn, "Allowed mode is cee, ieee or both\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;
+ }
+
+ 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 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");
+ 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));
+
+ 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;
+}
+
+int qed_dcbnl_ieee_peer_getets(struct qed_dev *cdev, struct ieee_ets *ets)
+{
+ return qed_dcbnl_get_ieee_ets(cdev, ets, true);
+}
+
+int qed_dcbnl_ieee_peer_getpfc(struct qed_dev *cdev, struct ieee_pfc *pfc)
+{
+ return qed_dcbnl_get_ieee_pfc(cdev, pfc, true);
+}
+
+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;
+ bool ethtype;
+ u8 prio = 0;
+ int 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;
+ }
+
+ /* ieee defines the selector field value for ethertype to be 1 */
+ ethtype = !!((app->selector - 1) == 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 == 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;
+}
+
+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;
+ bool ethtype;
+ int rc, i;
+
+ if (app->priority < 0 || app->priority >= QED_MAX_PFC_PRIORITIES) {
+ DP_INFO(hwfn, "Invalid priority %d\n", app->priority);
+ 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;
+
+ /* ieee defines the selector field value for ethertype to be 1 */
+ ethtype = !!((app->selector - 1) == 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 == app->protocol))
+ break;
+ /* First empty slot */
+ if (!entry->proto_id)
+ 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 = 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
projects / deliverable / linux.git / blobdiff