alistair23-linux/net/ipv6/netfilter/nft_reject_ipv6.c
Florian Westphal 5676864431 netfilter: fix various sparse warnings
net/bridge/br_netfilter.c:870:6: symbol 'br_netfilter_enable' was not declared. Should it be static?
  no; add include
net/ipv4/netfilter/nft_reject_ipv4.c:22:6: symbol 'nft_reject_ipv4_eval' was not declared. Should it be static?
  yes
net/ipv6/netfilter/nf_reject_ipv6.c:16:6: symbol 'nf_send_reset6' was not declared. Should it be static?
  no; add include
net/ipv6/netfilter/nft_reject_ipv6.c:22:6: symbol 'nft_reject_ipv6_eval' was not declared. Should it be static?
  yes
net/netfilter/core.c:33:32: symbol 'nf_ipv6_ops' was not declared. Should it be static?
  no; add include
net/netfilter/xt_DSCP.c:40:57: cast truncates bits from constant value (ffffff03 becomes 3)
net/netfilter/xt_DSCP.c:57:59: cast truncates bits from constant value (ffffff03 becomes 3)
  add __force, 3 is what we want.
net/ipv4/netfilter/nf_log_arp.c:77:6: symbol 'nf_log_arp_packet' was not declared. Should it be static?
  yes
net/ipv4/netfilter/nf_reject_ipv4.c:17:6: symbol 'nf_send_reset' was not declared. Should it be static?
  no; add include

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2014-11-13 12:14:42 +01:00

76 lines
2.1 KiB
C

/*
* Copyright (c) 2008-2009 Patrick McHardy <kaber@trash.net>
* Copyright (c) 2013 Eric Leblond <eric@regit.org>
*
* 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.
*
* Development of this code funded by Astaro AG (http://www.astaro.com/)
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/netlink.h>
#include <linux/netfilter.h>
#include <linux/netfilter/nf_tables.h>
#include <net/netfilter/nf_tables.h>
#include <net/netfilter/nft_reject.h>
#include <net/netfilter/ipv6/nf_reject.h>
static void nft_reject_ipv6_eval(const struct nft_expr *expr,
struct nft_data data[NFT_REG_MAX + 1],
const struct nft_pktinfo *pkt)
{
struct nft_reject *priv = nft_expr_priv(expr);
struct net *net = dev_net((pkt->in != NULL) ? pkt->in : pkt->out);
switch (priv->type) {
case NFT_REJECT_ICMP_UNREACH:
nf_send_unreach6(net, pkt->skb, priv->icmp_code,
pkt->ops->hooknum);
break;
case NFT_REJECT_TCP_RST:
nf_send_reset6(net, pkt->skb, pkt->ops->hooknum);
break;
}
data[NFT_REG_VERDICT].verdict = NF_DROP;
}
static struct nft_expr_type nft_reject_ipv6_type;
static const struct nft_expr_ops nft_reject_ipv6_ops = {
.type = &nft_reject_ipv6_type,
.size = NFT_EXPR_SIZE(sizeof(struct nft_reject)),
.eval = nft_reject_ipv6_eval,
.init = nft_reject_init,
.dump = nft_reject_dump,
};
static struct nft_expr_type nft_reject_ipv6_type __read_mostly = {
.family = NFPROTO_IPV6,
.name = "reject",
.ops = &nft_reject_ipv6_ops,
.policy = nft_reject_policy,
.maxattr = NFTA_REJECT_MAX,
.owner = THIS_MODULE,
};
static int __init nft_reject_ipv6_module_init(void)
{
return nft_register_expr(&nft_reject_ipv6_type);
}
static void __exit nft_reject_ipv6_module_exit(void)
{
nft_unregister_expr(&nft_reject_ipv6_type);
}
module_init(nft_reject_ipv6_module_init);
module_exit(nft_reject_ipv6_module_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
MODULE_ALIAS_NFT_AF_EXPR(AF_INET6, "reject");