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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 | uint8_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 | uint8_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 | uint8_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 |