[incubator-nuttx] 02/04: net/tcp/handshake: send the SYN immediately.

[ma...@apache.org]

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masayuki pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git

commit ae5b727580df004ee434e1865df54fb8f2bc44a1
Author: chao.an <an...@xiaomi.com>
AuthorDate: Tue Dec 15 20:30:29 2020 +0800

    net/tcp/handshake: send the SYN immediately.
    
    Signed-off-by: chao.an <an...@xiaomi.com>
---
 net/tcp/tcp_conn.c    | 2 +-
 net/tcp/tcp_connect.c | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/net/tcp/tcp_conn.c b/net/tcp/tcp_conn.c
index 6a262e2..b16a0cb 100644
--- a/net/tcp/tcp_conn.c
+++ b/net/tcp/tcp_conn.c
@@ -1283,7 +1283,7 @@ int tcp_connect(FAR struct tcp_conn_s *conn, FAR const struct sockaddr *addr)
 
   conn->tx_unacked = 1;    /* TCP length of the SYN is one. */
   conn->nrtx       = 0;
-  conn->timer      = 1;    /* Send the SYN next time around. */
+  conn->timer      = 0;    /* Send the SYN immediately. */
   conn->rto        = TCP_RTO;
   conn->sa         = 0;
   conn->sv         = 16;   /* Initial value of the RTT variance. */
diff --git a/net/tcp/tcp_connect.c b/net/tcp/tcp_connect.c
index 809a48e..d64767f 100644
--- a/net/tcp/tcp_connect.c
+++ b/net/tcp/tcp_connect.c
@@ -41,6 +41,7 @@
 #include <nuttx/net/tcp.h>
 
 #include "devif/devif.h"
+#include "netdev/netdev.h"
 #include "socket/socket.h"
 #include "tcp/tcp.h"
 
@@ -322,6 +323,10 @@ int psock_tcp_connect(FAR struct socket *psock,
       ret = psock_setup_callbacks(psock, &state);
       if (ret >= 0)
         {
+          /* Notify the device driver that new connection is available. */
+
+          netdev_txnotify_dev(((FAR struct tcp_conn_s *)psock->s_conn)->dev);
+
           /* Wait for either the connect to complete or for an error/timeout
            * to occur. NOTES:  net_lockedwait will also terminate if a signal
            * is received.