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-rw-r--r--lib/librte_eventdev/rte_event_eth_rx_adapter.h47
1 files changed, 14 insertions, 33 deletions
diff --git a/lib/librte_eventdev/rte_event_eth_rx_adapter.h b/lib/librte_eventdev/rte_event_eth_rx_adapter.h
index c20507b2..307b2b50 100644
--- a/lib/librte_eventdev/rte_event_eth_rx_adapter.h
+++ b/lib/librte_eventdev/rte_event_eth_rx_adapter.h
@@ -1,32 +1,6 @@
-/*
- * Copyright(c) 2017 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2017 Intel Corporation.
+ * All rights reserved.
*/
#ifndef _RTE_EVENT_ETH_RX_ADAPTER_
@@ -47,7 +21,11 @@
*
* The adapter uses a EAL service core function for SW based packet transfer
* and uses the eventdev PMD functions to configure HW based packet transfer
- * between the ethernet device and the event device.
+ * between the ethernet device and the event device. For SW based packet
+ * transfer, if the mbuf does not have a timestamp set, the adapter adds a
+ * timestamp to the mbuf using rte_get_tsc_cycles(), this provides a more
+ * accurate timestamp as compared to if the application were to set the time
+ * stamp since it avoids event device schedule latency.
*
* The ethernet Rx event adapter's functions are:
* - rte_event_eth_rx_adapter_create_ext()
@@ -85,7 +63,10 @@
* rte_event_eth_rx_adapter_service_id_get() function can be used to retrieve
* the service function ID of the adapter in this case.
*
- * Note: Interrupt driven receive queues are currently unimplemented.
+ * Note:
+ * 1) Interrupt driven receive queues are currently unimplemented.
+ * 2) Devices created after an instance of rte_event_eth_rx_adapter_create
+ * should be added to a new instance of the rx adapter.
*/
#ifdef __cplusplus
@@ -329,7 +310,7 @@ int rte_event_eth_rx_adapter_free(uint8_t id);
* combination of the two error codes.
*/
int rte_event_eth_rx_adapter_queue_add(uint8_t id,
- uint8_t eth_dev_id,
+ uint16_t eth_dev_id,
int32_t rx_queue_id,
const struct rte_event_eth_rx_adapter_queue_conf *conf);
@@ -357,7 +338,7 @@ int rte_event_eth_rx_adapter_queue_add(uint8_t id,
* - 0: Success, Receive queue deleted correctly.
* - <0: Error code on failure.
*/
-int rte_event_eth_rx_adapter_queue_del(uint8_t id, uint8_t eth_dev_id,
+int rte_event_eth_rx_adapter_queue_del(uint8_t id, uint16_t eth_dev_id,
int32_t rx_queue_id);
/**