diff options
Diffstat (limited to 'net/ipv6/netfilter/ip6t_hl.c')
-rw-r--r-- | net/ipv6/netfilter/ip6t_hl.c | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/net/ipv6/netfilter/ip6t_hl.c b/net/ipv6/netfilter/ip6t_hl.c deleted file mode 100644 index c964dca..0000000 --- a/net/ipv6/netfilter/ip6t_hl.c +++ /dev/null @@ -1,68 +0,0 @@ -/* Hop Limit matching module */ - -/* (C) 2001-2002 Maciej Soltysiak <solt@dns.toxicfilms.tv> - * Based on HW's ttl module - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/ipv6.h> -#include <linux/module.h> -#include <linux/skbuff.h> - -#include <linux/netfilter_ipv6/ip6t_hl.h> -#include <linux/netfilter/x_tables.h> - -MODULE_AUTHOR("Maciej Soltysiak <solt@dns.toxicfilms.tv>"); -MODULE_DESCRIPTION("Xtables: IPv6 Hop Limit field match"); -MODULE_LICENSE("GPL"); - -static bool hl_mt6(const struct sk_buff *skb, const struct xt_match_param *par) -{ - const struct ip6t_hl_info *info = par->matchinfo; - const struct ipv6hdr *ip6h = ipv6_hdr(skb); - - switch (info->mode) { - case IP6T_HL_EQ: - return ip6h->hop_limit == info->hop_limit; - break; - case IP6T_HL_NE: - return ip6h->hop_limit != info->hop_limit; - break; - case IP6T_HL_LT: - return ip6h->hop_limit < info->hop_limit; - break; - case IP6T_HL_GT: - return ip6h->hop_limit > info->hop_limit; - break; - default: - printk(KERN_WARNING "ip6t_hl: unknown mode %d\n", - info->mode); - return false; - } - - return false; -} - -static struct xt_match hl_mt6_reg __read_mostly = { - .name = "hl", - .family = NFPROTO_IPV6, - .match = hl_mt6, - .matchsize = sizeof(struct ip6t_hl_info), - .me = THIS_MODULE, -}; - -static int __init hl_mt6_init(void) -{ - return xt_register_match(&hl_mt6_reg); -} - -static void __exit hl_mt6_exit(void) -{ - xt_unregister_match(&hl_mt6_reg); -} - -module_init(hl_mt6_init); -module_exit(hl_mt6_exit); |