1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef __INCLUDE_RTE_PORT_ETHDEV_H__ 35 #define __INCLUDE_RTE_PORT_ETHDEV_H__ 36 37 #ifdef __cplusplus 38 extern "C" { 39 #endif 40 41 /** 42 * @file 43 * RTE Port Ethernet Device 44 * 45 * ethdev_reader: input port built on top of pre-initialized NIC RX queue 46 * ethdev_writer: output port built on top of pre-initialized NIC TX queue 47 * 48 ***/ 49 50 #include <stdint.h> 51 52 #include "rte_port.h" 53 54 /** ethdev_reader port parameters */ 55 struct rte_port_ethdev_reader_params { 56 /** NIC RX port ID */ 57 uint16_t port_id; 58 59 /** NIC RX queue ID */ 60 uint16_t queue_id; 61 }; 62 63 /** ethdev_reader port operations */ 64 extern struct rte_port_in_ops rte_port_ethdev_reader_ops; 65 66 /** ethdev_writer port parameters */ 67 struct rte_port_ethdev_writer_params { 68 /** NIC RX port ID */ 69 uint16_t port_id; 70 71 /** NIC RX queue ID */ 72 uint16_t queue_id; 73 74 /** Recommended burst size to NIC TX queue. The actual burst size can be 75 bigger or smaller than this value. */ 76 uint32_t tx_burst_sz; 77 }; 78 79 /** ethdev_writer port operations */ 80 extern struct rte_port_out_ops rte_port_ethdev_writer_ops; 81 82 /** ethdev_writer_nodrop port parameters */ 83 struct rte_port_ethdev_writer_nodrop_params { 84 /** NIC RX port ID */ 85 uint16_t port_id; 86 87 /** NIC RX queue ID */ 88 uint16_t queue_id; 89 90 /** Recommended burst size to NIC TX queue. The actual burst size can be 91 bigger or smaller than this value. */ 92 uint32_t tx_burst_sz; 93 94 /** Maximum number of retries, 0 for no limit */ 95 uint32_t n_retries; 96 }; 97 98 /** ethdev_writer_nodrop port operations */ 99 extern struct rte_port_out_ops rte_port_ethdev_writer_nodrop_ops; 100 101 #ifdef __cplusplus 102 } 103 #endif 104 105 #endif 106