xref: /f-stack/lib/ff_dpdk_kni.h (revision a9643ea8)
1*a9643ea8Slogwang /*
2*a9643ea8Slogwang  * Copyright (C) 2017 THL A29 Limited, a Tencent company.
3*a9643ea8Slogwang  * All rights reserved.
4*a9643ea8Slogwang  *
5*a9643ea8Slogwang  * Redistribution and use in source and binary forms, with or without
6*a9643ea8Slogwang  * modification, are permitted provided that the following conditions are met:
7*a9643ea8Slogwang  *
8*a9643ea8Slogwang  * 1. Redistributions of source code must retain the above copyright notice, this
9*a9643ea8Slogwang  *   list of conditions and the following disclaimer.
10*a9643ea8Slogwang  * 2. Redistributions in binary form must reproduce the above copyright notice,
11*a9643ea8Slogwang  *   this list of conditions and the following disclaimer in the documentation
12*a9643ea8Slogwang  *   and/or other materials provided with the distribution.
13*a9643ea8Slogwang  *
14*a9643ea8Slogwang  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
15*a9643ea8Slogwang  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16*a9643ea8Slogwang  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17*a9643ea8Slogwang  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
18*a9643ea8Slogwang  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19*a9643ea8Slogwang  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20*a9643ea8Slogwang  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21*a9643ea8Slogwang  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22*a9643ea8Slogwang  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
23*a9643ea8Slogwang  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24*a9643ea8Slogwang  *
25*a9643ea8Slogwang  */
26*a9643ea8Slogwang 
27*a9643ea8Slogwang #ifndef _FSTACK_DPDK_KNI_H
28*a9643ea8Slogwang #define _FSTACK_DPDK_KNI_H
29*a9643ea8Slogwang 
30*a9643ea8Slogwang #include <rte_config.h>
31*a9643ea8Slogwang #include <rte_mbuf.h>
32*a9643ea8Slogwang #include <rte_mempool.h>
33*a9643ea8Slogwang 
34*a9643ea8Slogwang enum FilterReturn {
35*a9643ea8Slogwang     FILTER_UNKNOWN = -1,
36*a9643ea8Slogwang     FILTER_ARP = 1,
37*a9643ea8Slogwang     FILTER_KNI = 2,
38*a9643ea8Slogwang };
39*a9643ea8Slogwang 
40*a9643ea8Slogwang void ff_kni_init(uint16_t nb_ports, const char *tcp_ports,
41*a9643ea8Slogwang     const char *udp_ports, int accept);
42*a9643ea8Slogwang 
43*a9643ea8Slogwang void ff_kni_alloc(uint8_t port_id, unsigned socket_id,
44*a9643ea8Slogwang     struct rte_mempool *mbuf_pool);
45*a9643ea8Slogwang 
46*a9643ea8Slogwang void ff_kni_process(uint8_t port_id, uint16_t queue_id,
47*a9643ea8Slogwang     struct rte_mbuf **pkts_burst, unsigned count);
48*a9643ea8Slogwang 
49*a9643ea8Slogwang enum FilterReturn ff_kni_proto_filter(const void *data, uint16_t len);
50*a9643ea8Slogwang 
51*a9643ea8Slogwang int ff_kni_enqueue(uint8_t port_id, struct rte_mbuf *pkt);
52*a9643ea8Slogwang 
53*a9643ea8Slogwang 
54*a9643ea8Slogwang #endif /* ifndef _FSTACK_DPDK_KNI_H */
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