forked from Minki/linux
[IPV6]: Export ipv6_opt_accepted
It was already non-TCP specific, will be used by DCCPv6. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -240,6 +240,8 @@ extern struct ipv6_txoptions * ipv6_renew_options(struct sock *sk, struct ipv6_t
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struct ipv6_txoptions *ipv6_fixup_options(struct ipv6_txoptions *opt_space,
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struct ipv6_txoptions *opt);
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extern int ipv6_opt_accepted(struct sock *sk, struct sk_buff *skb);
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extern int ip6_frag_nqueues;
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extern atomic_t ip6_frag_mem;
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@ -663,6 +663,27 @@ int inet6_sk_rebuild_header(struct sock *sk)
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EXPORT_SYMBOL_GPL(inet6_sk_rebuild_header);
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int ipv6_opt_accepted(struct sock *sk, struct sk_buff *skb)
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{
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struct ipv6_pinfo *np = inet6_sk(sk);
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struct inet6_skb_parm *opt = IP6CB(skb);
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if (np->rxopt.all) {
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if ((opt->hop && (np->rxopt.bits.hopopts ||
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np->rxopt.bits.ohopopts)) ||
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((IPV6_FLOWINFO_MASK & *(u32*)skb->nh.raw) &&
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np->rxopt.bits.rxflow) ||
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(opt->srcrt && (np->rxopt.bits.srcrt ||
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np->rxopt.bits.osrcrt)) ||
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((opt->dst1 || opt->dst0) &&
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(np->rxopt.bits.dstopts || np->rxopt.bits.odstopts)))
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return 1;
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}
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return 0;
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}
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EXPORT_SYMBOL_GPL(ipv6_opt_accepted);
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int
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snmp6_mib_init(void *ptr[2], size_t mibsize, size_t mibalign)
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{
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@ -711,22 +711,6 @@ static struct request_sock_ops tcp6_request_sock_ops = {
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.send_reset = tcp_v6_send_reset
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};
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static int ipv6_opt_accepted(struct sock *sk, struct sk_buff *skb)
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{
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struct ipv6_pinfo *np = inet6_sk(sk);
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struct inet6_skb_parm *opt = IP6CB(skb);
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if (np->rxopt.all) {
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if ((opt->hop && (np->rxopt.bits.hopopts || np->rxopt.bits.ohopopts)) ||
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((IPV6_FLOWINFO_MASK & *(u32*)skb->nh.raw) && np->rxopt.bits.rxflow) ||
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(opt->srcrt && (np->rxopt.bits.srcrt || np->rxopt.bits.osrcrt)) ||
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((opt->dst1 || opt->dst0) && (np->rxopt.bits.dstopts || np->rxopt.bits.odstopts)))
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return 1;
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}
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return 0;
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}
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static void tcp_v6_send_check(struct sock *sk, int len, struct sk_buff *skb)
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{
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struct ipv6_pinfo *np = inet6_sk(sk);
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