summaryrefslogtreecommitdiffstats
path: root/net/ipv4/ip_sockglue.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv4/ip_sockglue.c')
-rw-r--r--net/ipv4/ip_sockglue.c30
1 files changed, 21 insertions, 9 deletions
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index f43d5f12aa86..b43a29e11f4a 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -560,6 +560,26 @@ out:
return err;
}
+static void __ip_sock_set_tos(struct sock *sk, int val)
+{
+ if (sk->sk_type == SOCK_STREAM) {
+ val &= ~INET_ECN_MASK;
+ val |= inet_sk(sk)->tos & INET_ECN_MASK;
+ }
+ if (inet_sk(sk)->tos != val) {
+ inet_sk(sk)->tos = val;
+ sk->sk_priority = rt_tos2priority(val);
+ sk_dst_reset(sk);
+ }
+}
+
+void ip_sock_set_tos(struct sock *sk, int val)
+{
+ lock_sock(sk);
+ __ip_sock_set_tos(sk, val);
+ release_sock(sk);
+}
+EXPORT_SYMBOL(ip_sock_set_tos);
/*
* Socket option code for IP. This is the end of the line after any
@@ -823,15 +843,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
inet->cmsg_flags &= ~IP_CMSG_RECVFRAGSIZE;
break;
case IP_TOS: /* This sets both TOS and Precedence */
- if (sk->sk_type == SOCK_STREAM) {
- val &= ~INET_ECN_MASK;
- val |= inet->tos & INET_ECN_MASK;
- }
- if (inet->tos != val) {
- inet->tos = val;
- sk->sk_priority = rt_tos2priority(val);
- sk_dst_reset(sk);
- }
+ __ip_sock_set_tos(sk, val);
break;
case IP_TTL:
if (optlen < 1)