summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--include/linux/ipv6.h1
-rw-r--r--net/ipv6/ipv6_sockglue.c4
-rw-r--r--net/ipv6/tcp_ipv6.c4
3 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index c56c350324e..0b2ebfbbe0f 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -201,6 +201,7 @@ struct ipv6_pinfo {
__u8 min_hopcount;
__u8 tclass;
__u8 rcv_tclass;
+ __be32 rcv_flowinfo;
__u32 dst_cookie;
__u32 rx_dst_cookie;
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 1c6ce3119ff..c2db1df4638 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -1034,6 +1034,10 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
int hlim = np->mcast_hops;
put_cmsg(&msg, SOL_IPV6, IPV6_2292HOPLIMIT, sizeof(hlim), &hlim);
}
+ if (np->rxopt.bits.rxflow) {
+ int flowinfo = np->rcv_flowinfo;
+ put_cmsg(&msg, SOL_IPV6, IPV6_FLOWINFO, sizeof(flowinfo), &flowinfo);
+ }
}
len -= msg.msg_controllen;
return put_user(len, optlen);
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 0740f93a114..79a19636955 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1136,6 +1136,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
newnp->mcast_oif = inet6_iif(skb);
newnp->mcast_hops = ipv6_hdr(skb)->hop_limit;
newnp->rcv_tclass = ipv6_get_dsfield(ipv6_hdr(skb));
+ newnp->rcv_flowinfo = ip6_flowinfo(ipv6_hdr(skb));
/*
* No need to charge this sock to the relevant IPv6 refcnt debug socks count
@@ -1216,6 +1217,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
newnp->mcast_oif = inet6_iif(skb);
newnp->mcast_hops = ipv6_hdr(skb)->hop_limit;
newnp->rcv_tclass = ipv6_get_dsfield(ipv6_hdr(skb));
+ newnp->rcv_flowinfo = ip6_flowinfo(ipv6_hdr(skb));
/* Clone native IPv6 options from listening socket (if any)
@@ -1427,6 +1429,8 @@ ipv6_pktoptions:
np->mcast_hops = ipv6_hdr(opt_skb)->hop_limit;
if (np->rxopt.bits.rxtclass)
np->rcv_tclass = ipv6_get_dsfield(ipv6_hdr(opt_skb));
+ if (np->rxopt.bits.rxflow)
+ np->rcv_flowinfo = ip6_flowinfo(ipv6_hdr(opt_skb));
if (ipv6_opt_accepted(sk, opt_skb)) {
skb_set_owner_r(opt_skb, sk);
opt_skb = xchg(&np->pktoptions, opt_skb);