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- /* $Id: linuxsll.h 1963 2008-01-23 18:21:40Z aturner $ */
- /*
- * Copyright (c) 2006-2007 Aaron Turner.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the names of the copyright owners nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
- * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
- * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #include "dlt_plugins-int.h"
- #ifndef _DLT_linuxsll_H_
- #define _DLT_linuxsll_H_
- int dlt_linuxsll_register(tcpeditdlt_t *ctx);
- int dlt_linuxsll_init(tcpeditdlt_t *ctx);
- int dlt_linuxsll_cleanup(tcpeditdlt_t *ctx);
- int dlt_linuxsll_parse_opts(tcpeditdlt_t *ctx);
- int dlt_linuxsll_decode(tcpeditdlt_t *ctx, const u_char *packet, const int pktlen);
- int dlt_linuxsll_encode(tcpeditdlt_t *ctx, u_char **packet, int pktlen, tcpr_dir_t dir);
- int dlt_linuxsll_proto(tcpeditdlt_t *ctx, const u_char *packet, const int pktlen);
- u_char *dlt_linuxsll_get_layer3(tcpeditdlt_t *ctx, u_char *packet, const int pktlen);
- u_char *dlt_linuxsll_merge_layer3(tcpeditdlt_t *ctx, u_char *packet, const int pktlen, u_char *l3data);
- tcpeditdlt_l2addr_type_t dlt_linuxsll_l2addr_type(void);
- int dlt_linuxsll_l2len(tcpeditdlt_t *ctx, const u_char *packet, const int pktlen);
- u_char *dlt_linuxsll_get_mac(tcpeditdlt_t *ctx, tcpeditdlt_mac_type_t mac, const u_char *packet, const int pktlen);
- /*
- * structure to hold any data parsed from the packet by the decoder.
- * Example: Ethernet VLAN tag info
- */
- struct linuxsll_extra_s {
- int dummy;
- };
- typedef struct linuxsll_extra_s linuxsll_extra_t;
- /*
- * FIXME: structure to hold any data in the tcpeditdlt_plugin_t->config
- * Things like:
- * - Parsed user options
- * - State between packets
- * - Note, you should only use this for the encoder function, decoder functions should place
- * "extra" data parsed from the packet in the tcpeditdlt_t->decoded_extra buffer since that
- * is available to any encoder plugin.
- */
- struct linuxsll_config_s {
- /* dummy entry for SunPro compiler which doesn't like empty structs */
- int dummy;
- };
- typedef struct linuxsll_config_s linuxsll_config_t;
- struct linux_sll_header_s {
- u_int16_t source; /* values 0-4 determine where the packet came and where it's going */
- u_int16_t type; /* linux ARPHRD_* values for link-layer device type. See:
- * http://www.gelato.unsw.edu.au/lxr/source/include/linux/if_arp.h
- */
- #define ARPHRD_ETHER 1 /* ethernet */
- u_int16_t length; /* source address length */
- u_char address[8]; /* first 8 bytes of source address (may be truncated) */
- u_int16_t proto; /* Ethernet protocol type */
- };
- typedef struct linux_sll_header_s linux_sll_header_t;
- #endif
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