diff options
Diffstat (limited to 'net/ipv6/af_inet6.c')
| -rw-r--r-- | net/ipv6/af_inet6.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 23675ef1f428..bf17aab9b776 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -663,6 +663,27 @@ int inet6_sk_rebuild_header(struct sock *sk) EXPORT_SYMBOL_GPL(inet6_sk_rebuild_header); +int ipv6_opt_accepted(struct sock *sk, struct sk_buff *skb) +{ + struct ipv6_pinfo *np = inet6_sk(sk); + struct inet6_skb_parm *opt = IP6CB(skb); + + if (np->rxopt.all) { + if ((opt->hop && (np->rxopt.bits.hopopts || + np->rxopt.bits.ohopopts)) || + ((IPV6_FLOWINFO_MASK & *(u32*)skb->nh.raw) && + np->rxopt.bits.rxflow) || + (opt->srcrt && (np->rxopt.bits.srcrt || + np->rxopt.bits.osrcrt)) || + ((opt->dst1 || opt->dst0) && + (np->rxopt.bits.dstopts || np->rxopt.bits.odstopts))) + return 1; + } + return 0; +} + +EXPORT_SYMBOL_GPL(ipv6_opt_accepted); + int snmp6_mib_init(void *ptr[2], size_t mibsize, size_t mibalign) { |