/*
 * netsniff-ng - the packet sniffing beast
 * Copyright 2009, 2010 Daniel Borkmann.
 * Copyright 2010 Emmanuel Roullit.
 * Subject to the GPL, version 2.
 */

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

#include "proto.h"
#include "proto_vlan.h"
#include "dissector_eth.h"
#include "pkt_buff.h"

struct vlanhdr {
	uint16_t h_vlan_TCI;
	uint16_t h_vlan_encapsulated_proto;
} __packed;

static void vlan(struct pkt_buff *pkt)
{
	uint16_t tci;
	struct vlanhdr *vlan = (struct vlanhdr *) pkt_pull(pkt, sizeof(*vlan));

	if (vlan == NULL)
		return;

	tci = ntohs(vlan->h_vlan_TCI);

	tprintf(" [ VLAN ");
	tprintf("Prio (%d), ", vlan_tci2prio(tci));
	tprintf("CFI (%d), ", vlan_tci2cfi(tci));
	tprintf("ID (%d), ", vlan_tci2vid(tci));
	tprintf("Proto (0x%.4x)", ntohs(vlan->h_vlan_encapsulated_proto));
	tprintf(" ]\n");

	pkt_set_dissector(pkt, &eth_lay2, ntohs(vlan->h_vlan_encapsulated_proto));
}

static void vlan_less(struct pkt_buff *pkt)
{
	uint16_t tci;
	struct vlanhdr *vlan = (struct vlanhdr *) pkt_pull(pkt, sizeof(*vlan));

	if (vlan == NULL)
		return;

	tci = ntohs(vlan->h_vlan_TCI);

	tprintf(" VLAN%d", (tci & 0x0FFF));

	pkt_set_dissector(pkt, &eth_lay2, ntohs(vlan->h_vlan_encapsulated_proto));
}

struct protocol vlan_ops = {
	.key = 0x8100,
	.print_full = vlan,
	.print_less = vlan_less,
};
t 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=d435fb5ef74c31909ca58f93aa87ad09b17bbe9a'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/tools/objtool'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/tools/objtool?id=d435fb5ef74c31909ca58f93aa87ad09b17bbe9a'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/tools/objtool?id=d435fb5ef74c31909ca58f93aa87ad09b17bbe9a'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/tools/objtool?id=d435fb5ef74c31909ca58f93aa87ad09b17bbe9a'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/tools/objtool'>
<input type='hidden' name='id' value='d435fb5ef74c31909ca58f93aa87ad09b17bbe9a'/><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/commit/?id=d435fb5ef74c31909ca58f93aa87ad09b17bbe9a'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools?id=d435fb5ef74c31909ca58f93aa87ad09b17bbe9a'>tools</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/objtool?id=d435fb5ef74c31909ca58f93aa87ad09b17bbe9a'>objtool</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='d435fb5ef74c31909ca58f93aa87ad09b17bbe9a'/><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>Josh Poimboeuf &lt;jpoimboe@redhat.com&gt;</td><td class='right'>2016-03-09 00:06:53 -0600</td></tr>
<tr><th>committer</th><td>Ingo Molnar &lt;mingo@kernel.org&gt;</td><td class='right'>2016-03-09 10:48:08 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/objtool?id=d435fb5ef74c31909ca58f93aa87ad09b17bbe9a'>d435fb5ef74c31909ca58f93aa87ad09b17bbe9a</a> (<a href='/cgit.cgi/linux/net-next.git/patch/tools/objtool?id=d435fb5ef74c31909ca58f93aa87ad09b17bbe9a'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=d435fb5ef74c31909ca58f93aa87ad09b17bbe9a'>47729c99bbd55cd4239a8a9a93e712a07f6b87e6</a> /<a href='/cgit.cgi/linux/net-next.git/tree/tools/objtool?id=d435fb5ef74c31909ca58f93aa87ad09b17bbe9a'>tools/objtool</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/objtool?id=b1e03249510b32645826bbf61a1452dd766c2e5c'>b1e03249510b32645826bbf61a1452dd766c2e5c</a> (<a href='/cgit.cgi/linux/net-next.git/diff/tools/objtool?id=d435fb5ef74c31909ca58f93aa87ad09b17bbe9a&amp;id2=b1e03249510b32645826bbf61a1452dd766c2e5c'>diff</a>)</td></tr></table>
<div class='commit-subject'>objtool: Compile with debugging symbols</div><div class='commit-msg'>Compile objtool with debugging symbols ('-g') to help tools like perf
and gdb understand what it's doing.  Combined with '-O2', it's not
always helpful, but it's better than nothing.

Reported-by: Ingo Molnar &lt;mingo@kernel.org&gt;
Signed-off-by: Josh Poimboeuf &lt;jpoimboe@redhat.com&gt;
Cc: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Cc: Andy Lutomirski &lt;luto@kernel.org&gt;
Cc: Arnaldo Carvalho de Melo &lt;acme@infradead.org&gt;
Cc: Arnaldo Carvalho de Melo &lt;acme@kernel.org&gt;
Cc: Bernd Petrovitsch &lt;bernd@petrovitsch.priv.at&gt;
Cc: Borislav Petkov &lt;bp@alien8.de&gt;
Cc: Chris J Arges &lt;chris.j.arges@canonical.com&gt;
Cc: Jiri Slaby &lt;jslaby@suse.cz&gt;
Cc: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
Cc: Michal Marek &lt;mmarek@suse.cz&gt;
Cc: Namhyung Kim &lt;namhyung@gmail.com&gt;
Cc: Pedro Alves &lt;palves@redhat.com&gt;
Cc: Peter Zijlstra &lt;peterz@infradead.org&gt;
Cc: Thomas Gleixner &lt;tglx@linutronix.de&gt;
Cc: live-patching@vger.kernel.org
Link: http://lkml.kernel.org/r/c295e9ee9ed360dc8b2e1d180c859f11cfc151ef.1457502970.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar &lt;mingo@kernel.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=d435fb5ef74c31909ca58f93aa87ad09b17bbe9a'>Diffstat</a> (limited to 'tools/objtool')</div><table summary='diffstat' class='diffstat'>