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Diffstat (limited to 'nuttx/net/uip/uip_tcpappsend.c')
-rw-r--r--nuttx/net/uip/uip_tcpappsend.c215
1 files changed, 0 insertions, 215 deletions
diff --git a/nuttx/net/uip/uip_tcpappsend.c b/nuttx/net/uip/uip_tcpappsend.c
deleted file mode 100644
index dfddbcff9..000000000
--- a/nuttx/net/uip/uip_tcpappsend.c
+++ /dev/null
@@ -1,215 +0,0 @@
-/****************************************************************************
- * net/uip/uip_tcpappsend.c
- *
- * Copyright (C) 2007-2010 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * Adapted for NuttX from logic in uIP which also has a BSD-like license:
- *
- * Original author Adam Dunkels <adam@dunkels.com>
- * Copyright () 2001-2003, Adam Dunkels.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote
- * products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
- * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
- * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- ****************************************************************************/
-
-/****************************************************************************
- * Included Files
- ****************************************************************************/
-
-#include <nuttx/config.h>
-#if defined(CONFIG_NET) && defined(CONFIG_NET_TCP)
-
-#include <stdint.h>
-#include <assert.h>
-#include <debug.h>
-
-#include <nuttx/net/uip/uipopt.h>
-#include <nuttx/net/uip/uip.h>
-#include <nuttx/net/uip/uip-arch.h>
-
-#include "uip_internal.h"
-
-/****************************************************************************
- * Definitions
- ****************************************************************************/
-
-/****************************************************************************
- * Public Variables
- ****************************************************************************/
-
-/****************************************************************************
- * Private Variables
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: uip_tcpappsend
- *
- * Description:
- * Handle application or TCP protocol response. If this function is called
- * with dev->d_sndlen > 0, then this is an application attempting to send
- * packet.
- *
- * Parameters:
- * dev - The device driver structure to use in the send operation
- * conn - The TCP connection structure holding connection information
- * result - App result event sent
- *
- * Return:
- * None
- *
- * Assumptions:
- * Called from the interrupt level or with interrupts disabled.
- *
- ****************************************************************************/
-
-void uip_tcpappsend(struct uip_driver_s *dev, struct uip_conn *conn,
- uint16_t result)
-{
- /* Handle the result based on the application response */
-
- nllvdbg("result: %04x d_sndlen: %d conn->unacked: %d\n",
- result, dev->d_sndlen, conn->unacked);
-
- /* Check for connection aborted */
-
- if ((result & UIP_ABORT) != 0)
- {
- dev->d_sndlen = 0;
- conn->tcpstateflags = UIP_CLOSED;
- nllvdbg("TCP state: UIP_CLOSED\n");
-
- uip_tcpsend(dev, conn, TCP_RST | TCP_ACK, UIP_IPTCPH_LEN);
- }
-
- /* Check for connection closed */
-
- else if ((result & UIP_CLOSE) != 0)
- {
- conn->tcpstateflags = UIP_FIN_WAIT_1;
- conn->unacked = 1;
- conn->nrtx = 0;
- nllvdbg("TCP state: UIP_FIN_WAIT_1\n");
-
- dev->d_sndlen = 0;
- uip_tcpsend(dev, conn, TCP_FIN | TCP_ACK, UIP_IPTCPH_LEN);
- }
-
- /* None of the above */
-
- else
- {
- /* If d_sndlen > 0, the application has data to be sent. */
-
- if (dev->d_sndlen > 0)
- {
- /* Remember how much data we send out now so that we know
- * when everything has been acknowledged. Just increment the amount
- * of data sent. This will be needed in sequence number calculations
- * and we know that this is not a re-tranmission. Retransmissions
- * do not go through this path.
- */
-
- conn->unacked += dev->d_sndlen;
-
- /* The application cannot send more than what is allowed by the
- * MSS (the minumum of the MSS and the available window).
- */
-
- DEBUGASSERT(dev->d_sndlen <= conn->mss);
- }
-
- /* Then handle the rest of the operation just as for the rexmit case */
-
- conn->nrtx = 0;
- uip_tcprexmit(dev, conn, result);
- }
-}
-
-/****************************************************************************
- * Name: uip_tcprexmit
- *
- * Description:
- * Handle application retransmission
- *
- * Parameters:
- * dev - The device driver structure to use in the send operation
- * conn - The TCP connection structure holding connection information
- * result - App result event sent
- *
- * Return:
- * None
- *
- * Assumptions:
- * Called from the interrupt level or with interrupts disabled.
- *
- ****************************************************************************/
-
-void uip_tcprexmit(struct uip_driver_s *dev, struct uip_conn *conn,
- uint16_t result)
-{
- nllvdbg("result: %04x d_sndlen: %d conn->unacked: %d\n",
- result, dev->d_sndlen, conn->unacked);
-
- dev->d_appdata = dev->d_snddata;
-
- /* If the application has data to be sent, or if the incoming packet had
- * new data in it, we must send out a packet.
- */
-
- if (dev->d_sndlen > 0 && conn->unacked > 0)
- {
- /* We always set the ACK flag in response packets adding the length of
- * the IP and TCP headers.
- */
-
- uip_tcpsend(dev, conn, TCP_ACK | TCP_PSH, dev->d_sndlen + UIP_TCPIP_HLEN);
- }
-
- /* If there is no data to send, just send out a pure ACK if one is requested`. */
-
- else if ((result & UIP_SNDACK) != 0)
- {
- uip_tcpsend(dev, conn, TCP_ACK, UIP_TCPIP_HLEN);
- }
-
- /* There is nothing to do -- drop the packet */
-
- else
- {
- dev->d_len = 0;
- }
-}
-#endif /* CONFIG_NET && CONFIG_NET_TCP */
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