![Thomas Gleixner](/assets/img/avatar_default.png)
Add SPDX license identifiers to all files which: - Have no license information of any form - Have MODULE_LICENCE("GPL*") inside which was used in the initial scan/conversion to ignore the file These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* ebt_pkttype
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*
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* Authors:
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* Bart De Schuymer <bdschuym@pandora.be>
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*
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* April, 2003
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*
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*/
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#include <linux/module.h>
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#include <linux/netfilter/x_tables.h>
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#include <linux/netfilter_bridge/ebtables.h>
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#include <linux/netfilter_bridge/ebt_pkttype.h>
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static bool
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ebt_pkttype_mt(const struct sk_buff *skb, struct xt_action_param *par)
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{
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const struct ebt_pkttype_info *info = par->matchinfo;
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return (skb->pkt_type == info->pkt_type) ^ info->invert;
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}
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static int ebt_pkttype_mt_check(const struct xt_mtchk_param *par)
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{
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const struct ebt_pkttype_info *info = par->matchinfo;
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if (info->invert != 0 && info->invert != 1)
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return -EINVAL;
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/* Allow any pkt_type value */
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return 0;
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}
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static struct xt_match ebt_pkttype_mt_reg __read_mostly = {
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.name = "pkttype",
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.revision = 0,
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.family = NFPROTO_BRIDGE,
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.match = ebt_pkttype_mt,
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.checkentry = ebt_pkttype_mt_check,
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.matchsize = sizeof(struct ebt_pkttype_info),
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.me = THIS_MODULE,
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};
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static int __init ebt_pkttype_init(void)
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{
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return xt_register_match(&ebt_pkttype_mt_reg);
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}
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static void __exit ebt_pkttype_fini(void)
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{
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xt_unregister_match(&ebt_pkttype_mt_reg);
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}
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module_init(ebt_pkttype_init);
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module_exit(ebt_pkttype_fini);
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MODULE_DESCRIPTION("Ebtables: Link layer packet type match");
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MODULE_LICENSE("GPL");
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