/*
 * net/sched/em_u32.c	U32 Ematch
 *
 *		This program is free software; you can redistribute it and/or
 *		modify it under the terms of the GNU General Public License
 *		as published by the Free Software Foundation; either version
 *		2 of the License, or (at your option) any later version.
 *
 * Authors:	Thomas Graf <tgraf@suug.ch>
 *		Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
 *
 * Based on net/sched/cls_u32.c
 */

#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/skbuff.h>
#include <net/pkt_cls.h>

static int em_u32_match(struct sk_buff *skb, struct tcf_ematch *em,
			struct tcf_pkt_info *info)
{
	struct tc_u32_key *key = (struct tc_u32_key *) em->data;
	const unsigned char *ptr = skb_network_header(skb);

	if (info) {
		if (info->ptr)
			ptr = info->ptr;
		ptr += (info->nexthdr & key->offmask);
	}

	ptr += key->off;

	if (!tcf_valid_offset(skb, ptr, sizeof(u32)))
		return 0;

	return !(((*(__be32 *) ptr)  ^ key->val) & key->mask);
}

static struct tcf_ematch_ops em_u32_ops = {
	.kind	  = TCF_EM_U32,
	.datalen  = sizeof(struct tc_u32_key),
	.match	  = em_u32_match,
	.owner	  = THIS_MODULE,
	.link	  = LIST_HEAD_INIT(em_u32_ops.link)
};

static int __init init_em_u32(void)
{
	return tcf_em_register(&em_u32_ops);
}

static void __exit exit_em_u32(void)
{
	tcf_em_unregister(&em_u32_ops);
}

MODULE_LICENSE("GPL");

module_init(init_em_u32);
module_exit(exit_em_u32);

MODULE_ALIAS_TCF_EMATCH(TCF_EM_U32);
le>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=c54eeffbe9338fa982dc853d816fda9202a13b5a'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/net?h=nds-private-remove&amp;id=c54eeffbe9338fa982dc853d816fda9202a13b5a'>net</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/ipv6?h=nds-private-remove&amp;id=c54eeffbe9338fa982dc853d816fda9202a13b5a'>ipv6</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/ipv6/ip6_input.c?h=nds-private-remove&amp;id=c54eeffbe9338fa982dc853d816fda9202a13b5a'>ip6_input.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/net/ipv6/ip6_input.c?h=nds-private-remove&amp;id=c54eeffbe9338fa982dc853d816fda9202a13b5a&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
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<tr><th>author</th><td>Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;</td><td class='right'>2017-02-03 22:19:15 +0100</td></tr>
<tr><th>committer</th><td>Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;</td><td class='right'>2017-02-03 22:19:15 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/rds/ib_mr.h?h=nds-private-remove&amp;id=424414947da3dd5cb0d60e4f299f7c51e472ae77'>424414947da3dd5cb0d60e4f299f7c51e472ae77</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/rds/ib_mr.h?id=424414947da3dd5cb0d60e4f299f7c51e472ae77'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=424414947da3dd5cb0d60e4f299f7c51e472ae77'>a4067480c4256c80ae8f8438a3e4bb88e32050bc</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/rds/ib_mr.h?h=nds-private-remove&amp;id=424414947da3dd5cb0d60e4f299f7c51e472ae77'>net/rds/ib_mr.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/rds/ib_mr.h?h=nds-private-remove&amp;id=a3683e0c1410c5c8136a7a93b0336ce88d3b893a'>a3683e0c1410c5c8136a7a93b0336ce88d3b893a</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/rds/ib_mr.h?h=nds-private-remove&amp;id=424414947da3dd5cb0d60e4f299f7c51e472ae77&amp;id2=a3683e0c1410c5c8136a7a93b0336ce88d3b893a'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/rds/ib_mr.h?h=nds-private-remove&amp;id=d07830db1bdb254e4b50d366010b219286b8c937'>d07830db1bdb254e4b50d366010b219286b8c937</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/rds/ib_mr.h?h=nds-private-remove&amp;id=424414947da3dd5cb0d60e4f299f7c51e472ae77&amp;id2=d07830db1bdb254e4b50d366010b219286b8c937'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'usb-serial-4.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus</div><div class='commit-msg'>Johan writes:

USB-serial fixes for v4.10-rc7

One more device ID for pl2303.

Signed-off-by: Johan Hovold &lt;johan@kernel.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=424414947da3dd5cb0d60e4f299f7c51e472ae77'>Diffstat</a> (limited to 'net/rds/ib_mr.h')</div><table summary='diffstat' class='diffstat'>