diff options
Diffstat (limited to 'nuttx/net/uip/uip_udpsend.c')
| -rw-r--r-- | nuttx/net/uip/uip_udpsend.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/nuttx/net/uip/uip_udpsend.c b/nuttx/net/uip/uip_udpsend.c deleted file mode 100644 index 9ba8ec8f5..000000000 --- a/nuttx/net/uip/uip_udpsend.c +++ /dev/null @@ -1,177 +0,0 @@ -/**************************************************************************** - * net/uip/uip_udpsend.c - * - * Copyright (C) 2007-2009, 2011 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_UDP) - -#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" - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ - -#define UDPBUF ((struct uip_udpip_hdr *)&dev->d_buf[UIP_LLH_LEN]) - -/**************************************************************************** - * Public Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: uip_udpsend - * - * Description: - * Setup to send a UDP packet - * - * Parameters: - * dev - The device driver structure to use in the send operation - * conn - The UDP "connection" structure holding port information - * - * Return: - * None - * - * Assumptions: - * Called from the interrupt level or with interrupts disabled. - * - ****************************************************************************/ - -void uip_udpsend(struct uip_driver_s *dev, struct uip_udp_conn *conn) -{ - struct uip_udpip_hdr *pudpbuf = UDPBUF; - - if (dev->d_sndlen > 0) - { - /* The total lenth to send is the size of the application data plus - * the IP and UDP headers (and, eventually, the ethernet header) - */ - - dev->d_len = dev->d_sndlen + UIP_IPUDPH_LEN; - - /* Initialize the IP header. Note that for IPv6, the IP length field - * does not include the IPv6 IP header length. - */ - -#ifdef CONFIG_NET_IPv6 - - pudpbuf->vtc = 0x60; - pudpbuf->tcf = 0x00; - pudpbuf->flow = 0x00; - pudpbuf->len[0] = (dev->d_sndlen >> 8); - pudpbuf->len[1] = (dev->d_sndlen & 0xff); - pudpbuf->nexthdr = UIP_PROTO_UDP; - pudpbuf->hoplimit = conn->ttl; - - uip_ipaddr_copy(pudpbuf->srcipaddr, &dev->d_ipaddr); - uip_ipaddr_copy(pudpbuf->destipaddr, &conn->ripaddr); - -#else /* CONFIG_NET_IPv6 */ - - pudpbuf->vhl = 0x45; - pudpbuf->tos = 0; - pudpbuf->len[0] = (dev->d_len >> 8); - pudpbuf->len[1] = (dev->d_len & 0xff); - ++g_ipid; - pudpbuf->ipid[0] = g_ipid >> 8; - pudpbuf->ipid[1] = g_ipid & 0xff; - pudpbuf->ipoffset[0] = 0; - pudpbuf->ipoffset[1] = 0; - pudpbuf->ttl = conn->ttl; - pudpbuf->proto = UIP_PROTO_UDP; - - uiphdr_ipaddr_copy(pudpbuf->srcipaddr, &dev->d_ipaddr); - uiphdr_ipaddr_copy(pudpbuf->destipaddr, &conn->ripaddr); - - /* Calculate IP checksum. */ - - pudpbuf->ipchksum = 0; - pudpbuf->ipchksum = ~(uip_ipchksum(dev)); - -#endif /* CONFIG_NET_IPv6 */ - - /* Initialize the UDP header */ - - pudpbuf->srcport = conn->lport; - pudpbuf->destport = conn->rport; - pudpbuf->udplen = HTONS(dev->d_sndlen + UIP_UDPH_LEN); - -#ifdef CONFIG_NET_UDP_CHECKSUMS - /* Calculate UDP checksum. */ - - pudpbuf->udpchksum = 0; - pudpbuf->udpchksum = ~(uip_udpchksum(dev)); - if (pudpbuf->udpchksum == 0) - { - pudpbuf->udpchksum = 0xffff; - } -#else - pudpbuf->udpchksum = 0; -#endif - - nllvdbg("Outgoing UDP packet length: %d (%d)\n", - dev->d_len, (pudpbuf->len[0] << 8) | pudpbuf->len[1]); - -#ifdef CONFIG_NET_STATISTICS - uip_stat.udp.sent++; - uip_stat.ip.sent++; -#endif - } -} - -#endif /* CONFIG_NET && CONFIG_NET_UDP */ |