netdev - Re: [PATCH 12/13] TProxy: added IPv6 support to the socket match

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Message-ID: <4AB7BEF8.5050800@hp.com>
Date:	Mon, 21 Sep 2009 13:59:20 -0400
From:	Brian Haley <brian.haley@...com>
To:	Balazs Scheidler <bazsi@...abit.hu>
CC:	netfilter-devel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 12/13] TProxy: added IPv6 support to the socket match

Balazs Scheidler wrote:
> +static bool
> +socket_mt6_v1(const struct sk_buff *skb, const struct xt_match_param *par)
> +{
> +	struct ipv6hdr *iph = ipv6_hdr(skb);
> +	struct udphdr _hdr, *hp = NULL;
> +	struct sock *sk;
> +	struct in6_addr *daddr, *saddr;
> +	__be16 dport, sport;
> +        int thoff;
> +	u8 tproto;
> +        const struct xt_socket_mtinfo1 *info = (struct xt_socket_mtinfo1 *) par->matchinfo;
> +        
> +        tproto = ipv6_find_hdr(skb, &thoff, -1, NULL);
> +        if (tproto < 0) {
> +		pr_debug("socket match: Unable to find transport header in IPv6 packet, dropping\n");
> +		return NF_DROP;
> +        }
> +
> +	if (tproto == IPPROTO_UDP || tproto == IPPROTO_TCP) {
> +		hp = skb_header_pointer(skb, thoff,
> +					sizeof(_hdr), &_hdr);
> +		if (hp == NULL)
> +			return false;
> +
> +		saddr = &iph->saddr;
> +		sport = hp->source;
> +		daddr = &iph->daddr;
> +		dport = hp->dest;
> +
> +	} else if (tproto == IPPROTO_ICMP) {
> +		if (extract_icmp6_fields(skb, thoff, &tproto, &saddr, &daddr,
> +					 &sport, &dport))
> +			return false;
> +	} else {
> +		return false;
> +	}

Shouldn't this be IPPROTO_ICMPV6?

-Brian
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