/*
 * netsniff-ng - the packet sniffing beast
 * Copyright 2012 Markus Amend <markus@netsniff-ng.org>, Deutsche Flugsicherung GmbH
 * Subject to the GPL, version 2.
 *
 * IPv6 Fragmentation Header described in RFC2460
 */

#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 fragmhdr {
	uint8_t h_fragm_next_header;
	uint8_t h_fragm_reserved;
	uint16_t h_fragm_off_res_M;	
	uint32_t h_fragm_identification;
} __packed;

static void fragm(struct pkt_buff *pkt)
{
	uint16_t off_res_M;
	struct fragmhdr *fragm_ops;

	fragm_ops = (struct fragmhdr *) pkt_pull(pkt, sizeof(*fragm_ops));
	if (fragm_ops == NULL)
		return;

	off_res_M = ntohs(fragm_ops->h_fragm_off_res_M);
	
	tprintf("\t [ Fragment ");
	tprintf("NextHdr (%u), ", fragm_ops->h_fragm_next_header);
	tprintf("Reserved (%u), ", fragm_ops->h_fragm_reserved);
	tprintf("Offset (%u), ", off_res_M >> 3);
	tprintf("Res (%u), ", (off_res_M >> 1) & 0x3);
	tprintf("M flag (%u), ", off_res_M & 0x1);
	tprintf("Identification (%u)",
		ntohl(fragm_ops->h_fragm_identification));
	tprintf(" ]\n");

	pkt_set_proto(pkt, &eth_lay3, fragm_ops->h_fragm_next_header);
}

static void fragm_less(struct pkt_buff *pkt)
{
	uint16_t off_res_M;
	struct fragmhdr *fragm_ops;

	fragm_ops = (struct fragmhdr *) pkt_pull(pkt, sizeof(*fragm_ops));
	if (fragm_ops == NULL)
		return;

	off_res_M = ntohs(fragm_ops->h_fragm_off_res_M);

	tprintf(" FragmOffs %u", off_res_M >> 3);

	pkt_set_proto(pkt, &eth_lay3, fragm_ops->h_fragm_next_header);
}

struct protocol ipv6_fragm_ops = {
	.key = 0x2C,
	.print_full = fragm,
	.print_less = fragm_less,
};
.cgi/linux/net-next.git/log/drivers/usb/musb/Makefile?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/musb/Makefile?h=nds-private-remove&amp;id=206c4720092d2a24bfefc041b377e889a220ffbf'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/musb/Makefile?h=nds-private-remove&amp;id=206c4720092d2a24bfefc041b377e889a220ffbf'>commit</a><a class='active' href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/musb/Makefile?h=nds-private-remove&amp;id=206c4720092d2a24bfefc041b377e889a220ffbf'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/drivers/usb/musb/Makefile'>
<input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='206c4720092d2a24bfefc041b377e889a220ffbf'/><select name='qt'>
<option value='grep'>log msg</option>
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<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=206c4720092d2a24bfefc041b377e889a220ffbf'>root</a>/<a href='/cgit.cgi/linux/net-next.git/diff/drivers?h=nds-private-remove&amp;id=206c4720092d2a24bfefc041b377e889a220ffbf'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb?h=nds-private-remove&amp;id=206c4720092d2a24bfefc041b377e889a220ffbf'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/musb?h=nds-private-remove&amp;id=206c4720092d2a24bfefc041b377e889a220ffbf'>musb</a>/<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/musb/Makefile?h=nds-private-remove&amp;id=206c4720092d2a24bfefc041b377e889a220ffbf'>Makefile</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='206c4720092d2a24bfefc041b377e889a220ffbf'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=206c4720092d2a24bfefc041b377e889a220ffbf'>Diffstat</a> (limited to 'drivers/usb/musb/Makefile')</div><table summary='diffstat' class='diffstat'>