/*
 * 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,
};
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=6d8e62c302bb9285e8882116fc317916ece5d0ab'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools?id=6d8e62c302bb9285e8882116fc317916ece5d0ab'>tools</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/perf?id=6d8e62c302bb9285e8882116fc317916ece5d0ab'>perf</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/perf/arch?id=6d8e62c302bb9285e8882116fc317916ece5d0ab'>arch</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/perf/arch/sparc?id=6d8e62c302bb9285e8882116fc317916ece5d0ab'>sparc</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/perf/arch/sparc/Makefile?id=6d8e62c302bb9285e8882116fc317916ece5d0ab'>Makefile</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='6d8e62c302bb9285e8882116fc317916ece5d0ab'/><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><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Jiri Olsa &lt;jolsa@kernel.org&gt;</td><td class='right'>2014-12-30 14:14:20 +0100</td></tr>
<tr><th>committer</th><td>Arnaldo Carvalho de Melo &lt;acme@redhat.com&gt;</td><td class='right'>2015-02-12 13:22:01 -0300</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/perf/arch/sparc/Makefile?id=6d8e62c302bb9285e8882116fc317916ece5d0ab'>6d8e62c302bb9285e8882116fc317916ece5d0ab</a> (<a href='/cgit.cgi/linux/net-next.git/patch/tools/perf/arch/sparc/Makefile?id=6d8e62c302bb9285e8882116fc317916ece5d0ab'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=6d8e62c302bb9285e8882116fc317916ece5d0ab'>6a1df34cf6e00f8f3aa2f9ca0a92cc4108e96838</a> /<a href='/cgit.cgi/linux/net-next.git/tree/tools/perf/arch/sparc/Makefile?id=6d8e62c302bb9285e8882116fc317916ece5d0ab'>tools/perf/arch/sparc/Makefile</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/perf/arch/sparc/Makefile?id=61b021244b328e3cb5b08079b28e4e2742ff7656'>61b021244b328e3cb5b08079b28e4e2742ff7656</a> (<a href='/cgit.cgi/linux/net-next.git/diff/tools/perf/arch/sparc/Makefile?id=6d8e62c302bb9285e8882116fc317916ece5d0ab&amp;id2=61b021244b328e3cb5b08079b28e4e2742ff7656'>diff</a>)</td></tr></table>
<div class='commit-subject'>perf build: Add arch sparc objects building</div><div class='commit-msg'>Move the sparc arch objects building under build framework to be
included in the libperf build object.

Signed-off-by: Jiri Olsa &lt;jolsa@kernel.org&gt;
Tested-by: Sukadev Bhattiprolu &lt;sukadev@linux.vnet.ibm.com&gt;
Tested-by: Will Deacon &lt;will.deacon@arm.com&gt;
Cc: Alexis Berlemont &lt;alexis.berlemont@gmail.com&gt;
Cc: Borislav Petkov &lt;bp@alien8.de&gt;
Cc: Corey Ashford &lt;cjashfor@linux.vnet.ibm.com&gt;
Cc: David Ahern &lt;dsahern@gmail.com&gt;
Cc: Frederic Weisbecker &lt;fweisbec@gmail.com&gt;
Cc: Namhyung Kim &lt;namhyung@kernel.org&gt;
Cc: Paul Mackerras &lt;paulus@samba.org&gt;
Cc: Peter Zijlstra &lt;peterz@infradead.org&gt;
Cc: Stephane Eranian &lt;eranian@google.com&gt;
Link: http://lkml.kernel.org/n/tip-160hknrqr27c9zf59japw91y@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo &lt;acme@redhat.com&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=6d8e62c302bb9285e8882116fc317916ece5d0ab'>Diffstat</a> (limited to 'tools/perf/arch/sparc/Makefile')</div><table summary='diffstat' class='diffstat'>