Phonet: route outgoing packets

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 12 insertions, 5 deletions

diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index b113fe00c154..cc2eef169a8b 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -190,9 +190,8 @@ static int pn_send(struct sk_buff *skb, struct net_device *dev,
         skb->priority = 0;
         skb->dev = dev;
 
-        if (pn_addr(src) == pn_addr(dst)) {
+        if (skb->pkt_type == PACKET_LOOPBACK) {
                 skb_reset_mac_header(skb);
-                skb->pkt_type = PACKET_LOOPBACK;
                 skb_orphan(skb);
                 if (irq)
                         netif_rx(skb);
@@ -222,6 +221,9 @@ static int pn_raw_send(const void *data, int len, struct net_device *dev,
         if (skb == NULL)
                 return -ENOMEM;
 
+        if (phonet_address_lookup(dev_net(dev), pn_addr(dst)) == 0)
+                skb->pkt_type = PACKET_LOOPBACK;
+
         skb_reserve(skb, MAX_PHONET_HEADER);
         __skb_put(skb, len);
         skb_copy_to_linear_data(skb, data, len);
@@ -235,6 +237,7 @@ static int pn_raw_send(const void *data, int len, struct net_device *dev,
 int pn_skb_send(struct sock *sk, struct sk_buff *skb,
                 const struct sockaddr_pn *target)
 {
+        struct net *net = sock_net(sk);
         struct net_device *dev;
         struct pn_sock *pn = pn_sk(sk);
         int err;
@@ -243,9 +246,13 @@ int pn_skb_send(struct sock *sk, struct sk_buff *skb,
 
         err = -EHOSTUNREACH;
         if (sk->sk_bound_dev_if)
-                dev = dev_get_by_index(sock_net(sk), sk->sk_bound_dev_if);
-        else
-                dev = phonet_device_get(sock_net(sk));
+                dev = dev_get_by_index(net, sk->sk_bound_dev_if);
+        else if (phonet_address_lookup(net, daddr) == 0) {
+                dev = phonet_device_get(net);
+                skb->pkt_type = PACKET_LOOPBACK;
+        } else
+                dev = phonet_route_output(net, daddr);
+
         if (!dev || !(dev->flags & IFF_UP))
                 goto drop;