net/qede/base: add DPC sync after PF stop

[dpdk.git] / drivers / net / qede / base / ecore_dev.c

diff --git a/drivers/net/qede/base/ecore_dev.c b/drivers/net/qede/base/ecore_dev.c
index fdb62f2..4558306 100644 (file)
--- a/drivers/net/qede/base/ecore_dev.c
+++ b/drivers/net/qede/base/ecore_dev.c
@@ -456,6 +456,12 @@ static void ecore_qm_info_free(struct ecore_hwfn *p_hwfn)
        OSAL_FREE(p_hwfn->p_dev, qm_info->wfq_data);
 }
 
+static void ecore_dbg_user_data_free(struct ecore_hwfn *p_hwfn)
+{
+       OSAL_FREE(p_hwfn->p_dev, p_hwfn->dbg_user_info);
+       p_hwfn->dbg_user_info = OSAL_NULL;
+}
+
 void ecore_resc_free(struct ecore_dev *p_dev)
 {
        int i;
@@ -483,6 +489,7 @@ void ecore_resc_free(struct ecore_dev *p_dev)
                ecore_l2_free(p_hwfn);
                ecore_dmae_info_free(p_hwfn);
                ecore_dcbx_info_free(p_hwfn);
+               ecore_dbg_user_data_free(p_hwfn);
                /* @@@TBD Flush work-queue ? */
 
                /* destroy doorbell recovery mechanism */
@@ -1334,7 +1341,14 @@ enum _ecore_status_t ecore_resc_alloc(struct ecore_dev *p_dev)
                                  "Failed to allocate memory for dcbx structure\n");
                        goto alloc_err;
                }
-       }
+
+               rc = OSAL_DBG_ALLOC_USER_DATA(p_hwfn, &p_hwfn->dbg_user_info);
+               if (rc) {
+                       DP_NOTICE(p_hwfn, false,
+                                 "Failed to allocate dbg user info structure\n");
+                       goto alloc_err;
+               }
+       } /* hwfn loop */
 
        p_dev->reset_stats = OSAL_ZALLOC(p_dev, GFP_KERNEL,
                                         sizeof(*p_dev->reset_stats));
@@ -1960,6 +1974,14 @@ enum ECORE_ROCE_EDPM_MODE {
        ECORE_ROCE_EDPM_MODE_DISABLE = 2,
 };
 
+bool ecore_edpm_enabled(struct ecore_hwfn *p_hwfn)
+{
+       if (p_hwfn->dcbx_no_edpm || p_hwfn->db_bar_no_edpm)
+               return false;
+
+       return true;
+}
+
 static enum _ecore_status_t
 ecore_hw_init_pf_doorbell_bar(struct ecore_hwfn *p_hwfn,
                              struct ecore_ptt *p_ptt)
@@ -2047,7 +2069,7 @@ ecore_hw_init_pf_doorbell_bar(struct ecore_hwfn *p_hwfn,
        DP_INFO(p_hwfn,
                " dpi_size=%d, dpi_count=%d, roce_edpm=%s\n",
                p_hwfn->dpi_size, p_hwfn->dpi_count,
-               ((p_hwfn->dcbx_no_edpm) || (p_hwfn->db_bar_no_edpm)) ?
+               (!ecore_edpm_enabled(p_hwfn)) ?
                "disabled" : "enabled");
 
        /* Check return codes from above calls */
@@ -2782,6 +2804,12 @@ enum _ecore_status_t ecore_hw_stop(struct ecore_dev *p_dev)
                        rc2 = ECORE_UNKNOWN_ERROR;
                }
 
+               OSAL_DPC_SYNC(p_hwfn);
+
+               /* After this point we don't expect the FW to send us async
+                * events
+                */
+
                /* perform debug action after PF stop was sent */
                OSAL_AFTER_PF_STOP((void *)p_dev, p_hwfn->my_id);
 
@@ -4272,6 +4300,13 @@ ecore_hw_prepare_single(struct ecore_hwfn *p_hwfn,
                rc = ecore_mcp_initiate_pf_flr(p_hwfn, p_hwfn->p_main_ptt);
                if (rc != ECORE_SUCCESS)
                        DP_NOTICE(p_hwfn, false, "Failed to initiate PF FLR\n");
+
+               /* Workaround for MFW issue where PF FLR does not cleanup
+                * IGU block
+                */
+               if (!(p_hwfn->mcp_info->capabilities &
+                     FW_MB_PARAM_FEATURE_SUPPORT_IGU_CLEANUP))
+                       ecore_pf_flr_igu_cleanup(p_hwfn);
        }
 
        /* Check if mdump logs/data are present and update the epoch value */