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Diffstat (limited to 'nuttx/net/uip/uip_send.c')
-rw-r--r-- | nuttx/net/uip/uip_send.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/nuttx/net/uip/uip_send.c b/nuttx/net/uip/uip_send.c new file mode 100644 index 000000000..fd0f4f7da --- /dev/null +++ b/nuttx/net/uip/uip_send.c @@ -0,0 +1,106 @@ +/**************************************************************************** + * net/uip/uip_send.c + * + * Copyright (C) 2007i, 2008 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Based in part on uIP which also has a BSD stylie license: + * + * Author: Adam Dunkels <adam@dunkels.com> + * Copyright (c) 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 <string.h> +#include <debug.h> + +#include <nuttx/net/uip/uip.h> +#include <nuttx/net/uip/uip-arch.h> + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Type Declarations + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Global Constant Data + ****************************************************************************/ + +/**************************************************************************** + * Global Variables + ****************************************************************************/ + +/**************************************************************************** + * Private Constant Data + ****************************************************************************/ + +/**************************************************************************** + * Private Variables + ****************************************************************************/ + +/**************************************************************************** + * Global Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: uip_send + * + * Description: + * Called from socket logic in response to a xmit or poll request from the + * the network interface driver. + * + * Assumptions: + * Called from the interrupt level or, at a mimimum, with interrupts + * disabled. + * + ****************************************************************************/ + +void uip_send(struct uip_driver_s *dev, const void *buf, int len) +{ + /* Some sanity checks -- note that the actually available length in the + * buffer is considerably less than CONFIG_NET_BUFSIZE. + */ + + if (dev && len > 0 && len < CONFIG_NET_BUFSIZE) + { + memcpy(dev->d_snddata, buf, len); + dev->d_sndlen = len; + } +} |