+
+int bnxt_hwrm_if_change(struct bnxt *bp, bool up)
+{
+ struct hwrm_func_drv_if_change_output *resp = bp->hwrm_cmd_resp_addr;
+ struct hwrm_func_drv_if_change_input req = {0};
+ uint32_t flags;
+ int rc;
+
+ if (!(bp->flags & BNXT_FLAG_FW_CAP_IF_CHANGE))
+ return 0;
+
+ /* Do not issue FUNC_DRV_IF_CHANGE during reset recovery.
+ * If we issue FUNC_DRV_IF_CHANGE with flags down before
+ * FUNC_DRV_UNRGTR, FW resets before FUNC_DRV_UNRGTR
+ */
+ if (!up && (bp->flags & BNXT_FLAG_FW_RESET))
+ return 0;
+
+ HWRM_PREP(req, FUNC_DRV_IF_CHANGE, BNXT_USE_CHIMP_MB);
+
+ if (up)
+ req.flags =
+ rte_cpu_to_le_32(HWRM_FUNC_DRV_IF_CHANGE_INPUT_FLAGS_UP);
+
+ rc = bnxt_hwrm_send_message(bp, &req, sizeof(req), BNXT_USE_CHIMP_MB);
+
+ HWRM_CHECK_RESULT();
+ flags = rte_le_to_cpu_32(resp->flags);
+ HWRM_UNLOCK();
+
+ if (flags & HWRM_FUNC_DRV_IF_CHANGE_OUTPUT_FLAGS_HOT_FW_RESET_DONE) {
+ PMD_DRV_LOG(INFO, "FW reset happened while port was down\n");
+ bp->flags |= BNXT_FLAG_IF_CHANGE_HOT_FW_RESET_DONE;
+ }
+
+ return 0;
+}