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tcp_conn: Check if the remote address is unspecified

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Change-Id: I6f547bb4bfb3bb621573db9097a531ce2260e794
Signed-off-by: chao.an <anchao@xiaomi.com>
This commit is contained in:
chao.an 2019-12-24 18:00:54 +08:00 committed by Gregory Nutt
parent 87cf5c58ae
commit 8dd4b27973
1 changed files with 9 additions and 8 deletions
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17
net/tcp/tcp_finddev.c
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@ -71,7 +71,8 @@
****************************************************************************/
#ifdef CONFIG_NET_IPv4
static int tcp_find_ipv4_device(FAR struct tcp_conn_s *conn, in_addr_t addr)
static int tcp_find_ipv4_device(FAR struct tcp_conn_s *conn,
in_addr_t addr, bool local)
{
/* Do nothing if a device is already bound to the connection */
@ -88,7 +89,7 @@ static int tcp_find_ipv4_device(FAR struct tcp_conn_s *conn, in_addr_t addr)
if (net_ipv4addr_cmp(addr, INADDR_ANY))
{
return OK;
return local ? OK : -EINVAL;
}
/* We need to select the device that is going to route the TCP packet
@ -121,7 +122,7 @@ static int tcp_find_ipv4_device(FAR struct tcp_conn_s *conn, in_addr_t addr)
#ifdef CONFIG_NET_IPv6
static int tcp_find_ipv6_device(FAR struct tcp_conn_s *conn,
const net_ipv6addr_t addr)
const net_ipv6addr_t addr, bool local)
{
/* Do nothing if a device is already bound to the connection */
@ -138,7 +139,7 @@ static int tcp_find_ipv6_device(FAR struct tcp_conn_s *conn,
if (net_ipv6addr_cmp(addr, g_ipv6_unspecaddr))
{
return OK;
return local ? OK : -EINVAL;
}
/* We need to select the device that is going to route the TCP packet
@ -177,7 +178,7 @@ static int tcp_find_ipv6_device(FAR struct tcp_conn_s *conn,
#ifdef CONFIG_NET_IPv4
int tcp_local_ipv4_device(FAR struct tcp_conn_s *conn)
{
return tcp_find_ipv4_device(conn, conn->u.ipv4.laddr);
return tcp_find_ipv4_device(conn, conn->u.ipv4.laddr, true);
}
#endif /* CONFIG_NET_IPv4 */
@ -201,7 +202,7 @@ int tcp_local_ipv4_device(FAR struct tcp_conn_s *conn)
#ifdef CONFIG_NET_IPv4
int tcp_remote_ipv4_device(FAR struct tcp_conn_s *conn)
{
return tcp_find_ipv4_device(conn, conn->u.ipv4.raddr);
return tcp_find_ipv4_device(conn, conn->u.ipv4.raddr, false);
}
#endif
@ -224,7 +225,7 @@ int tcp_remote_ipv4_device(FAR struct tcp_conn_s *conn)
#ifdef CONFIG_NET_IPv6
int tcp_local_ipv6_device(FAR struct tcp_conn_s *conn)
{
return tcp_find_ipv6_device(conn, conn->u.ipv6.laddr);
return tcp_find_ipv6_device(conn, conn->u.ipv6.laddr, true);
}
#endif /* CONFIG_NET_IPv6 */
@ -248,7 +249,7 @@ int tcp_local_ipv6_device(FAR struct tcp_conn_s *conn)
#ifdef CONFIG_NET_IPv6
int tcp_remote_ipv6_device(FAR struct tcp_conn_s *conn)
{
return tcp_find_ipv6_device(conn, conn->u.ipv6.raddr);
return tcp_find_ipv6_device(conn, conn->u.ipv6.raddr, false);
}
#endif /* CONFIG_NET_IPv6 */