60 lines
2.2 KiB
C
60 lines
2.2 KiB
C
/*
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* Copyright (C) 2017 THL A29 Limited, a Tencent company.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef _FSTACK_DPDK_KNI_H
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#define _FSTACK_DPDK_KNI_H
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#include <rte_config.h>
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#include <rte_mbuf.h>
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#include <rte_mempool.h>
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extern int enable_kni;
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enum FilterReturn {
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FILTER_UNKNOWN = -1,
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FILTER_ARP = 1,
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FILTER_KNI = 2,
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#ifdef INET6
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FILTER_NDP = 3, // Neighbor Solicitation/Advertisement, Router Solicitation/Advertisement/Redirect
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#endif
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};
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void ff_kni_init(uint16_t nb_ports, const char *tcp_ports,
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const char *udp_ports);
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void ff_kni_alloc(uint16_t port_id, unsigned socket_id,
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struct rte_mempool *mbuf_pool, unsigned ring_queue_size);
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void ff_kni_process(uint16_t port_id, uint16_t queue_id,
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struct rte_mbuf **pkts_burst, unsigned count);
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enum FilterReturn ff_kni_proto_filter(const void *data, uint16_t len, uint16_t eth_frame_type);
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int ff_kni_enqueue(uint16_t port_id, struct rte_mbuf *pkt);
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#endif /* ifndef _FSTACK_DPDK_KNI_H */
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