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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /net/netfilter/xt_CLASSIFY.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | net/netfilter/xt_CLASSIFY.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/net/netfilter/xt_CLASSIFY.c b/net/netfilter/xt_CLASSIFY.c new file mode 100644 index 000000000..0accac98d --- /dev/null +++ b/net/netfilter/xt_CLASSIFY.c @@ -0,0 +1,70 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * This is a module which is used for setting the skb->priority field + * of an skb for qdisc classification. + */ + +/* (C) 2001-2002 Patrick McHardy <kaber@trash.net> + */ + +#include <linux/module.h> +#include <linux/skbuff.h> +#include <linux/ip.h> +#include <net/checksum.h> + +#include <linux/netfilter_ipv4.h> +#include <linux/netfilter_ipv6.h> +#include <linux/netfilter/x_tables.h> +#include <linux/netfilter/xt_CLASSIFY.h> +#include <linux/netfilter_arp.h> + +MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Xtables: Qdisc classification"); +MODULE_ALIAS("ipt_CLASSIFY"); +MODULE_ALIAS("ip6t_CLASSIFY"); +MODULE_ALIAS("arpt_CLASSIFY"); + +static unsigned int +classify_tg(struct sk_buff *skb, const struct xt_action_param *par) +{ + const struct xt_classify_target_info *clinfo = par->targinfo; + + skb->priority = clinfo->priority; + return XT_CONTINUE; +} + +static struct xt_target classify_tg_reg[] __read_mostly = { + { + .name = "CLASSIFY", + .revision = 0, + .family = NFPROTO_UNSPEC, + .hooks = (1 << NF_INET_LOCAL_OUT) | (1 << NF_INET_FORWARD) | + (1 << NF_INET_POST_ROUTING), + .target = classify_tg, + .targetsize = sizeof(struct xt_classify_target_info), + .me = THIS_MODULE, + }, + { + .name = "CLASSIFY", + .revision = 0, + .family = NFPROTO_ARP, + .hooks = (1 << NF_ARP_OUT) | (1 << NF_ARP_FORWARD), + .target = classify_tg, + .targetsize = sizeof(struct xt_classify_target_info), + .me = THIS_MODULE, + }, +}; + +static int __init classify_tg_init(void) +{ + return xt_register_targets(classify_tg_reg, ARRAY_SIZE(classify_tg_reg)); +} + +static void __exit classify_tg_exit(void) +{ + xt_unregister_targets(classify_tg_reg, ARRAY_SIZE(classify_tg_reg)); +} + +module_init(classify_tg_init); +module_exit(classify_tg_exit); |