/*
 * 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 "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,
};
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>tools</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/perf?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>perf</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/perf/util?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>util</a>/<a href='/cgit.cgi/linux/net-next.git/commit/tools/perf/util/alias.c?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>alias.c</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='2b1d530cb3157f828fcaadd259613f59db3c6d1c'/><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>Kalle Valo &lt;kvalo@codeaurora.org&gt;</td><td class='right'>2017-01-27 14:19:25 +0200</td></tr>
<tr><th>committer</th><td>Kalle Valo &lt;kvalo@codeaurora.org&gt;</td><td class='right'>2017-01-28 09:15:50 +0200</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/perf/util/alias.c?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>2b1d530cb3157f828fcaadd259613f59db3c6d1c</a> (<a href='/cgit.cgi/linux/net-next.git/patch/tools/perf/util/alias.c?id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>patch</a>)</td></tr>
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<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/perf/util/alias.c?h=nds-private-remove&amp;id=bd19b5ab1da654de456e102250822ec06311d6ad'>bd19b5ab1da654de456e102250822ec06311d6ad</a> (<a href='/cgit.cgi/linux/net-next.git/diff/tools/perf/util/alias.c?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c&amp;id2=bd19b5ab1da654de456e102250822ec06311d6ad'>diff</a>)</td></tr></table>
<div class='commit-subject'>MAINTAINERS: ath9k-devel is closed</div><div class='commit-msg'>ath9k-devel list is now closed, only linux-wireless should be used.

Reported-by: Michael Renzmann &lt;mrenzmann@madwifi-project.org&gt;
Signed-off-by: Kalle Valo &lt;kvalo@codeaurora.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>Diffstat</a> (limited to 'tools/perf/util/alias.c')</div><table summary='diffstat' class='diffstat'>