/*
 * netsniff-ng - the packet sniffing beast
 * Copyright 2012 Markus Amend <markus@netsniff-ng.org>, Deutsche Flugsicherung GmbH
 * Subject to the GPL, version 2.
 *
 * Encapsulating Security Payload described in RFC4303
 */

#include <stdio.h>
#include <stdint.h>
#include <netinet/in.h>    /* for ntohs() */

#include "proto.h"
#include "protos.h"
#include "dissector_eth.h"
#include "built_in.h"
#include "pkt_buff.h"

struct esp_hdr {
	uint32_t h_spi;
	uint32_t h_sn;
} __packed;

static void esp(struct pkt_buff *pkt)
{
	struct esp_hdr *esp_ops;

	esp_ops = (struct esp_hdr *) pkt_pull(pkt, sizeof(*esp_ops));
	if (esp_ops == NULL)
		return;

	tprintf(" [ ESP ");
	tprintf("SPI (0x%x), ", ntohl(esp_ops->h_spi));
	tprintf("SN (0x%x)", ntohl(esp_ops->h_sn));
	tprintf(" ]\n");
}

static void esp_less(struct pkt_buff *pkt)
{
	struct esp_hdr *esp_ops;

	esp_ops = (struct esp_hdr *) pkt_pull(pkt, sizeof(*esp_ops));
	if (esp_ops == NULL)
		return;

	tprintf(" ESP");
}

struct protocol ip_esp_ops = {
	.key = 0x32,
	.print_full = esp,
	.print_less = esp_less,
};
'selected'>master</option>
<option value='nds-private-remove'>nds-private-remove</option>
<option value='packet-loop-back'>packet-loop-back</option>
<option value='packet-rx-pump-back'>packet-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?id=521613c5684068f2003d38b84c9a317b3d53948d'>refs</a><a class='active' href='/cgit.cgi/linux/net-next.git/log/sound/pci/ens1371.c'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/sound/pci/ens1371.c?id=521613c5684068f2003d38b84c9a317b3d53948d'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/sound/pci/ens1371.c?id=521613c5684068f2003d38b84c9a317b3d53948d'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/sound/pci/ens1371.c?id=521613c5684068f2003d38b84c9a317b3d53948d'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/sound/pci/ens1371.c'>
<input type='hidden' name='id' value='521613c5684068f2003d38b84c9a317b3d53948d'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=521613c5684068f2003d38b84c9a317b3d53948d'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/sound?id=521613c5684068f2003d38b84c9a317b3d53948d'>sound</a>/<a href='/cgit.cgi/linux/net-next.git/log/sound/pci?id=521613c5684068f2003d38b84c9a317b3d53948d'>pci</a>/<a href='/cgit.cgi/linux/net-next.git/log/sound/pci/ens1371.c?id=521613c5684068f2003d38b84c9a317b3d53948d'>ens1371.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/sound/pci/ens1371.c?id=521613c5684068f2003d38b84c9a317b3d53948d&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
e8cc1ab5c4517d916edaed9e3f7f973'>Collapse</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>