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[net][at] Fix socket create failed issue when default netdev mismatch. 

Signed-off-by: chenyong <1521761801@qq.com>
This commit is contained in:
chenyong 2019-05-28 11:03:36 +08:00
parent b5ad12573f
commit 1f9a668607
3 changed files with 21 additions and 5 deletions
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11
components/net/at/at_socket/at_socket.c
View File

@ -359,20 +359,21 @@ __err:
return RT_NULL;
}
static struct at_socket *alloc_socket(int domain)
static struct at_socket *alloc_socket(void)
{
extern struct netdev *netdev_default;
struct netdev *netdev = RT_NULL;
struct at_device *device = RT_NULL;
if (netdev_default && netdev_is_up(netdev_default))
if (netdev_default && netdev_is_up(netdev_default) &&
netdev_family_get(netdev_default) == AF_AT)
{
netdev = netdev_default;
}
else
{
/* get network interface device by protocol family */
netdev = netdev_get_by_family(domain);
/* get network interface device by protocol family AF_AT */
netdev = netdev_get_by_family(AF_AT);
if (netdev == RT_NULL)
{
return RT_NULL;
@ -414,7 +415,7 @@ int at_socket(int domain, int type, int protocol)
}
/* allocate and initialize a new AT socket */
sock = alloc_socket(domain);
sock = alloc_socket();
if (sock == RT_NULL)
{
return -1;

1
components/net/netdev/include/netdev.h
View File

@ -138,6 +138,7 @@ struct netdev *netdev_get_by_ipaddr(ip_addr_t *ip_addr);
struct netdev *netdev_get_by_name(const char *name);
#ifdef RT_USING_SAL
struct netdev *netdev_get_by_family(int family);
int netdev_family_get(struct netdev *netdev);
#endif /* RT_USING_SAL */
/* Set default network interface device in list */

14
components/net/netdev/src/netdev.c
View File

@ -294,6 +294,20 @@ struct netdev *netdev_get_by_family(int family)
return RT_NULL;
}
/**
* This function will get the family type from network interface device
*
* @param netdev network interface device object
*
* @return the network interface device family type
*/
int netdev_family_get(struct netdev *netdev)
{
RT_ASSERT(netdev);
return ((struct sal_proto_family *)netdev->sal_user_data)->family;
}
#endif /* RT_USING_SAL */
/**