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netdev_findby_ipv[4|6]addr return netdev_default() as last resort but don't return loopback device if another network device is in the UP state.

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This commit is contained in:
Xiang Xiao
2018-08-26 14:40:47 -06:00
committed by Gregory Nutt
parent da1a323f34
commit fd1405d976
2 changed files with 19 additions and 30 deletions
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net/netdev/netdev_findbyaddr.c
+8 -24
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@@ -203,13 +203,9 @@ FAR struct net_driver_s *netdev_findby_ipv4addr(in_addr_t lipaddr,
* broadcast packet out ALL locally available networks. I am not
* sure of that and, in any event, there is nothing we can do
* about that here.
*
* REVISIT: For now, arbitrarily return the first network
* interface in the list of network devices. The broadcast
* will be sent on that device only.
*/
return g_netdevices;
return netdev_default();
}
else
{
@@ -250,15 +246,11 @@ FAR struct net_driver_s *netdev_findby_ipv4addr(in_addr_t lipaddr,
#endif /* CONFIG_NET_ROUTE */
/* The above lookup will fail if the packet is being sent out of our
* out subnet to a router and there is no routing information.
* out subnet to a router and there is no routing information. Let's
* try the default network device.
*/
/* If we will did not find the network device, then we might as well fail
* because we are not configured properly to determine the route to the
* destination.
*/
return dev;
return netdev_default();
}
#endif /* CONFIG_NET_IPv4 */
@@ -302,13 +294,9 @@ FAR struct net_driver_s *netdev_findby_ipv6addr(const net_ipv6addr_t lipaddr,
* broadcast packet out ALL locally available networks. I am not
* sure of that and, in any event, there is nothing we can do
* about that here.
*
* REVISIT: For now, arbitrarily return the first network
* interface in the list of network devices. The broadcast
* will be sent on that device only.
*/
return g_netdevices;
return netdev_default();
}
else
{
@@ -349,15 +337,11 @@ FAR struct net_driver_s *netdev_findby_ipv6addr(const net_ipv6addr_t lipaddr,
#endif /* CONFIG_NET_ROUTE */
/* The above lookup will fail if the packet is being sent out of our
* out subnet to a router and there is no routing information.
* out subnet to a router and there is no routing information. Let's
* try the default network device.
*/
/* If we will did not find the network device, then we might as well fail
* because we are not configured properly to determine the route to the
* destination.
*/
return dev;
return netdev_default();
}
#endif /* CONFIG_NET_IPv6 */