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-rw-r--r--include/linux/ipv6.h2
-rw-r--r--include/net/inet_sock.h1
-rw-r--r--net/ipv4/af_inet.c1
-rw-r--r--net/ipv4/ip_sockglue.c4
-rw-r--r--net/ipv4/tcp_ipv4.c1
-rw-r--r--net/ipv6/af_inet6.c1
-rw-r--r--net/ipv6/ipv6_sockglue.c4
-rw-r--r--net/ipv6/tcp_ipv6.c4
8 files changed, 17 insertions, 1 deletions
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 4847a64d3c0a..8260ef779762 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -366,7 +366,7 @@ struct ipv6_pinfo {
dontfrag:1;
__u8 min_hopcount;
__u8 tclass;
- __u8 padding;
+ __u8 rcv_tclass;
__u32 dst_cookie;
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index 022f772c0ebe..ae17e1352d7e 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -168,6 +168,7 @@ struct inet_sock {
transparent:1,
mc_all:1,
nodefrag:1;
+ __u8 rcv_tos;
int uc_index;
int mc_index;
__be32 mc_addr;
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index f7b5670744f0..e588a34e85c2 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -381,6 +381,7 @@ lookup_protocol:
inet->mc_all = 1;
inet->mc_index = 0;
inet->mc_list = NULL;
+ inet->rcv_tos = 0;
sk_refcnt_debug_inc(sk);
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 9125529dab95..ca50d9f9f8c1 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -1289,6 +1289,10 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
int hlim = inet->mc_ttl;
put_cmsg(&msg, SOL_IP, IP_TTL, sizeof(hlim), &hlim);
}
+ if (inet->cmsg_flags & IP_CMSG_TOS) {
+ int tos = inet->rcv_tos;
+ put_cmsg(&msg, SOL_IP, IP_TOS, sizeof(tos), &tos);
+ }
len -= msg.msg_controllen;
return put_user(len, optlen);
}
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 4d6f81c818dc..94abee8cf563 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1463,6 +1463,7 @@ struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
ireq->opt = NULL;
newinet->mc_index = inet_iif(skb);
newinet->mc_ttl = ip_hdr(skb)->ttl;
+ newinet->rcv_tos = ip_hdr(skb)->tos;
inet_csk(newsk)->icsk_ext_hdr_len = 0;
if (inet_opt)
inet_csk(newsk)->icsk_ext_hdr_len = inet_opt->opt.optlen;
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 273f48d1df2e..5605f9dca87e 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -214,6 +214,7 @@ lookup_protocol:
inet->mc_ttl = 1;
inet->mc_index = 0;
inet->mc_list = NULL;
+ inet->rcv_tos = 0;
if (ipv4_config.no_pmtu_disc)
inet->pmtudisc = IP_PMTUDISC_DONT;
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 6d6b65fdaa1a..63dd1f89ed7d 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -1017,6 +1017,10 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
int hlim = np->mcast_hops;
put_cmsg(&msg, SOL_IPV6, IPV6_HOPLIMIT, sizeof(hlim), &hlim);
}
+ if (np->rxopt.bits.rxtclass) {
+ int tclass = np->rcv_tclass;
+ put_cmsg(&msg, SOL_IPV6, IPV6_TCLASS, sizeof(tclass), &tclass);
+ }
if (np->rxopt.bits.rxoinfo) {
struct in6_pktinfo src_info;
src_info.ipi6_ifindex = np->mcast_oif ? np->mcast_oif :
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index d16414cb3421..12c6ece67f39 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1282,6 +1282,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
newnp->opt = NULL;
newnp->mcast_oif = inet6_iif(skb);
newnp->mcast_hops = ipv6_hdr(skb)->hop_limit;
+ newnp->rcv_tclass = ipv6_tclass(ipv6_hdr(skb));
/*
* No need to charge this sock to the relevant IPv6 refcnt debug socks count
@@ -1360,6 +1361,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
newnp->opt = NULL;
newnp->mcast_oif = inet6_iif(skb);
newnp->mcast_hops = ipv6_hdr(skb)->hop_limit;
+ newnp->rcv_tclass = ipv6_tclass(ipv6_hdr(skb));
/* Clone native IPv6 options from listening socket (if any)
@@ -1562,6 +1564,8 @@ ipv6_pktoptions:
np->mcast_oif = inet6_iif(opt_skb);
if (np->rxopt.bits.rxhlim || np->rxopt.bits.rxohlim)
np->mcast_hops = ipv6_hdr(opt_skb)->hop_limit;
+ if (np->rxopt.bits.rxtclass)
+ np->rcv_tclass = ipv6_tclass(ipv6_hdr(skb));
if (ipv6_opt_accepted(sk, opt_skb)) {
skb_set_owner_r(opt_skb, sk);
opt_skb = xchg(&np->pktoptions, opt_skb);