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Diffstat (limited to 'net/ipv6/af_inet6.c')
-rw-r--r--net/ipv6/af_inet6.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 23675ef1f42..bf17aab9b77 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)
{