ipv4: Exposing __ip_sock_set_tos() in ip.h

Making the static function __ip_sock_set_tos() from net/ipv4/ip_sockglue.c
accessible by declaring it in include/net/ip.h
The reason for doing this is to use this function to set IP_TOS value in
mptcp_setsockopt() without the lock.

Signed-off-by: Poorva Sonparote <psonparo@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/ip.h b/include/net/ip.h
index 7d10888..81e23a1 100644 (file)
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -783,5 +783,6 @@ int ip_sock_set_mtu_discover(struct sock *sk, int val);
 void ip_sock_set_pktinfo(struct sock *sk);
 void ip_sock_set_recverr(struct sock *sk);
 void ip_sock_set_tos(struct sock *sk, int val);
+void  __ip_sock_set_tos(struct sock *sk, int val);
 
 #endif /* _IP_H */

diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 38d29b1..445a9ec 100644 (file)
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -576,7 +576,7 @@ out:
        return err;
 }
 
-static void __ip_sock_set_tos(struct sock *sk, int val)
+void __ip_sock_set_tos(struct sock *sk, int val)
 {
        if (sk->sk_type == SOCK_STREAM) {
                val &= ~INET_ECN_MASK;