From 32082a46190ea27f7e958fce73167b3a368d7666 Mon Sep 17 00:00:00 2001 From: patacongo Date: Wed, 3 Sep 2008 14:57:36 +0000 Subject: Fix ICMP and UDP IP checksums git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@871 42af7a65-404d-4744-a932-0658087f49c3 --- nuttx/net/uip/uip-icmpsend.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'nuttx/net/uip/uip-icmpsend.c') diff --git a/nuttx/net/uip/uip-icmpsend.c b/nuttx/net/uip/uip-icmpsend.c index c0076b0e8..fc8ac2e83 100644 --- a/nuttx/net/uip/uip-icmpsend.c +++ b/nuttx/net/uip/uip-icmpsend.c @@ -92,7 +92,7 @@ void uip_icmpsend(struct uip_driver_s *dev, uip_ipaddr_t *destaddr) { if (dev->d_sndlen > 0) { - /* The total lenth to send is the size of the application data plus + /* The total length to send is the size of the application data plus * the IP and ICMP headers (and, eventually, the ethernet header) */ @@ -130,19 +130,19 @@ void uip_icmpsend(struct uip_driver_s *dev, uip_ipaddr_t *destaddr) ++g_ipid; ICMPBUF->ipid[0] = g_ipid >> 8; ICMPBUF->ipid[1] = g_ipid & 0xff; - ICMPBUF->ipoffset[0] = 0; - ICMPBUF->ipoffset[1] = 0; + ICMPBUF->ipoffset[0] = UIP_TCPFLAG_DONTFRAG >> 8; + ICMPBUF->ipoffset[1] = UIP_TCPFLAG_DONTFRAG & 0xff; ICMPBUF->ttl = UIP_TTL; ICMPBUF->proto = UIP_PROTO_ICMP; + uiphdr_ipaddr_copy(ICMPBUF->srcipaddr, &dev->d_ipaddr); + uiphdr_ipaddr_copy(ICMPBUF->destipaddr, destaddr); + /* Calculate IP checksum. */ ICMPBUF->ipchksum = 0; ICMPBUF->ipchksum = ~(uip_ipchksum(dev)); - uiphdr_ipaddr_copy(ICMPBUF->srcipaddr, &dev->d_ipaddr); - uiphdr_ipaddr_copy(ICMPBUF->destipaddr, destaddr); - #endif /* CONFIG_NET_IPv6 */ /* Calculate the ICMP checksum. */ -- cgit v1.2.3