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author | Jan Engelhardt <jengelh@medozas.de> | 2009-06-05 15:22:15 +0200 |
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committer | Patrick McHardy <kaber@trash.net> | 2010-03-17 15:48:35 +0100 |
commit | f76a47c83247b453f25629618056a6d2c1e39103 (patch) | |
tree | e64261ff64e89b4853e7c25519f150e93ff90106 /net/netfilter/xt_NFQUEUE.c | |
parent | 076f7839dd30b379f3cd468b13cf513cdcd5cee7 (diff) | |
download | op-kernel-dev-f76a47c83247b453f25629618056a6d2c1e39103.zip op-kernel-dev-f76a47c83247b453f25629618056a6d2c1e39103.tar.gz |
netfilter: xt_NFQUEUE: consolidate v4/v6 targets into one
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Diffstat (limited to 'net/netfilter/xt_NFQUEUE.c')
-rw-r--r-- | net/netfilter/xt_NFQUEUE.c | 40 |
1 files changed, 12 insertions, 28 deletions
diff --git a/net/netfilter/xt_NFQUEUE.c b/net/netfilter/xt_NFQUEUE.c index 12dcd70..a37e216 100644 --- a/net/netfilter/xt_NFQUEUE.c +++ b/net/netfilter/xt_NFQUEUE.c @@ -49,17 +49,6 @@ static u32 hash_v4(const struct sk_buff *skb) return jhash_2words((__force u32)ipaddr, iph->protocol, jhash_initval); } -static unsigned int -nfqueue_tg4_v1(struct sk_buff *skb, const struct xt_target_param *par) -{ - const struct xt_NFQ_info_v1 *info = par->targinfo; - u32 queue = info->queuenum; - - if (info->queues_total > 1) - queue = hash_v4(skb) % info->queues_total + queue; - return NF_QUEUE_NR(queue); -} - #if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE) static u32 hash_v6(const struct sk_buff *skb) { @@ -73,18 +62,24 @@ static u32 hash_v6(const struct sk_buff *skb) return jhash2((__force u32 *)addr, ARRAY_SIZE(addr), jhash_initval); } +#endif static unsigned int -nfqueue_tg6_v1(struct sk_buff *skb, const struct xt_target_param *par) +nfqueue_tg_v1(struct sk_buff *skb, const struct xt_target_param *par) { const struct xt_NFQ_info_v1 *info = par->targinfo; u32 queue = info->queuenum; - if (info->queues_total > 1) - queue = hash_v6(skb) % info->queues_total + queue; + if (info->queues_total > 1) { + if (par->target->family == NFPROTO_IPV4) + queue = hash_v4(skb) % info->queues_total + queue; +#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE) + else if (par->target->family == NFPROTO_IPV6) + queue = hash_v6(skb) % info->queues_total + queue; +#endif + } return NF_QUEUE_NR(queue); } -#endif static bool nfqueue_tg_v1_check(const struct xt_tgchk_param *par) { @@ -119,23 +114,12 @@ static struct xt_target nfqueue_tg_reg[] __read_mostly = { { .name = "NFQUEUE", .revision = 1, - .family = NFPROTO_IPV4, - .checkentry = nfqueue_tg_v1_check, - .target = nfqueue_tg4_v1, - .targetsize = sizeof(struct xt_NFQ_info_v1), - .me = THIS_MODULE, - }, -#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE) - { - .name = "NFQUEUE", - .revision = 1, - .family = NFPROTO_IPV6, + .family = NFPROTO_UNSPEC, .checkentry = nfqueue_tg_v1_check, - .target = nfqueue_tg6_v1, + .target = nfqueue_tg_v1, .targetsize = sizeof(struct xt_NFQ_info_v1), .me = THIS_MODULE, }, -#endif }; static int __init nfqueue_tg_init(void) |