ipv6: tcp: fix TCLASS value in ACK messages sent from TIME_WAIT
commit 66b13d99d96a (ipv4: tcp: fix TOS value in ACK messages sent from
TIME_WAIT) fixed IPv4 only.
This part is for the IPv6 side, adding a tclass param to ip6_xmit()
We alias tw_tclass and tw_tos, if socket family is INET6.
[ if sockets is ipv4-mapped, only IP_TOS socket option is used to fill
TOS field, TCLASS is not taken into account ]
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h
index 180231c..f91a1fb 100644
--- a/include/net/inet_timewait_sock.h
+++ b/include/net/inet_timewait_sock.h
@@ -134,6 +134,7 @@
struct inet_bind_bucket *tw_tb;
struct hlist_node tw_death_node;
};
+#define tw_tclass tw_tos
static inline void inet_twsk_add_node_rcu(struct inet_timewait_sock *tw,
struct hlist_nulls_head *list)
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 3b5ac1f..a366a8a 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -486,7 +486,8 @@
extern int ip6_xmit(struct sock *sk,
struct sk_buff *skb,
struct flowi6 *fl6,
- struct ipv6_txoptions *opt);
+ struct ipv6_txoptions *opt,
+ int tclass);
extern int ip6_nd_hdr(struct sock *sk,
struct sk_buff *skb,