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Fixed UDPLite receive: checksum was calculated wrong if checksum coverage != tot_len

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goldsimon
2007-10-09 19:43:29 +00:00
parent 0f9799d7e0
commit 536f2e42d2
2 changed files with 7 additions and 6 deletions
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4
src/core/udp.c
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@@ -205,9 +205,9 @@ udp_input(struct pbuf *p, struct netif *inp)
goto end;
}
}
if (inet_chksum_pseudo(p, (struct ip_addr *)&(iphdr->src),
if (inet_chksum_pseudo_partial(p, (struct ip_addr *)&(iphdr->src),
(struct ip_addr *)&(iphdr->dest),
IP_PROTO_UDPLITE, chklen) != 0) {
IP_PROTO_UDPLITE, p->tot_len, chklen) != 0) {
LWIP_DEBUGF(UDP_DEBUG | 2,
("udp_input: UDP Lite datagram discarded due to failing checksum\n"));
UDP_STATS_INC(udp.chkerr);