DPDK  17.05.2
rte_port.h
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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
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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.
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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
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31  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #ifndef __INCLUDE_RTE_PORT_H__
35 #define __INCLUDE_RTE_PORT_H__
36 
37 #ifdef __cplusplus
38 extern "C" {
39 #endif
40 
50 #include <stdint.h>
51 #include <rte_mbuf.h>
52 
57 #define RTE_MBUF_METADATA_UINT8_PTR(mbuf, offset) \
58  (&((uint8_t *)(mbuf))[offset])
59 #define RTE_MBUF_METADATA_UINT16_PTR(mbuf, offset) \
60  ((uint16_t *) RTE_MBUF_METADATA_UINT8_PTR(mbuf, offset))
61 #define RTE_MBUF_METADATA_UINT32_PTR(mbuf, offset) \
62  ((uint32_t *) RTE_MBUF_METADATA_UINT8_PTR(mbuf, offset))
63 #define RTE_MBUF_METADATA_UINT64_PTR(mbuf, offset) \
64  ((uint64_t *) RTE_MBUF_METADATA_UINT8_PTR(mbuf, offset))
65 
66 #define RTE_MBUF_METADATA_UINT8(mbuf, offset) \
67  (*RTE_MBUF_METADATA_UINT8_PTR(mbuf, offset))
68 #define RTE_MBUF_METADATA_UINT16(mbuf, offset) \
69  (*RTE_MBUF_METADATA_UINT16_PTR(mbuf, offset))
70 #define RTE_MBUF_METADATA_UINT32(mbuf, offset) \
71  (*RTE_MBUF_METADATA_UINT32_PTR(mbuf, offset))
72 #define RTE_MBUF_METADATA_UINT64(mbuf, offset) \
73  (*RTE_MBUF_METADATA_UINT64_PTR(mbuf, offset))
74 
76 /*
77  * Port IN
78  *
79  */
82 #define RTE_PORT_IN_BURST_SIZE_MAX 64
83 
86  uint64_t n_pkts_in;
87  uint64_t n_pkts_drop;
88 };
89 
100 typedef void* (*rte_port_in_op_create)(void *params, int socket_id);
101 
110 typedef int (*rte_port_in_op_free)(void *port);
111 
124 typedef int (*rte_port_in_op_rx)(
125  void *port,
126  struct rte_mbuf **pkts,
127  uint32_t n_pkts);
128 
143  void *port,
144  struct rte_port_in_stats *stats,
145  int clear);
146 
153 };
154 
155 /*
156  * Port OUT
157  *
158  */
161  uint64_t n_pkts_in;
162  uint64_t n_pkts_drop;
163 };
164 
175 typedef void* (*rte_port_out_op_create)(void *params, int socket_id);
176 
185 typedef int (*rte_port_out_op_free)(void *port);
186 
197 typedef int (*rte_port_out_op_tx)(
198  void *port,
199  struct rte_mbuf *pkt);
200 
216 typedef int (*rte_port_out_op_tx_bulk)(
217  void *port,
218  struct rte_mbuf **pkt,
219  uint64_t pkts_mask);
220 
229 typedef int (*rte_port_out_op_flush)(void *port);
230 
245  void *port,
246  struct rte_port_out_stats *stats,
247  int clear);
248 
257 };
258 
259 #ifdef __cplusplus
260 }
261 #endif
262 
263 #endif