ipdg.h

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/*
 * Copyright (c) 2009-2015 by Farsight Security, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef NMSG_IPDG_H
#define NMSG_IPDG_H
 
struct nmsg_ipdg {
        int             proto_network;   /*%< PF_* value */
        int             proto_transport; /*%< transport protocol */
        unsigned        len_network;     /*%< length starting from network */
        unsigned        len_transport;   /*%< length starting from transport */
        unsigned        len_payload;     /*%< length starting from payload */
        const u_char    *network;        /*%< pointer to network header */
        const u_char    *transport;      /*%< pointer to transport header */
        const u_char    *payload;        /*%< pointer to application payload */
};
 
nmsg_res
nmsg_ipdg_parse(struct nmsg_ipdg *dg, unsigned etype, size_t len,
                const u_char *pkt);
 
nmsg_res
nmsg_ipdg_parse_pcap(struct nmsg_ipdg *dg, nmsg_pcap_t pcap,
                     struct pcap_pkthdr *pkt_hdr, const u_char *pkt);
 
nmsg_res
nmsg_ipdg_parse_pcap_raw(struct nmsg_ipdg *dg, int datalink, const uint8_t *pkt, size_t len);
 
#endif /* NMSG_IPDG_H */