ref: 5a51f6fe5fbe26630b9ef13eecdcb77be72d6a7e
parent: 78844aeaf21c1144b1f92165d6384d407152057f
author: cinap_lenrek <cinap_lenrek@felloff.net>
date: Mon May 21 21:53:15 EDT 2018
ip/tftpd: deal with block wrap arround
--- a/sys/src/cmd/ip/tftpd.c
+++ b/sys/src/cmd/ip/tftpd.c
@@ -542,9 +542,9 @@
if (Debug)
syslog(dbg, flog, "tftpd %d read ack of %d bytes "
"for block %d", pid, al, ackblock);
- if(ackblock == block)
+ if(ackblock == (block & 0xffff))
return Ackok; /* for block just sent */
- else if(ackblock == block + 1) /* intel pxe eof bug */
+ else if(ackblock == (block + 1 & 0xffff)) /* intel pxe eof bug */
return Ackok;
else if(ackblock == 0xffff)
return Ackrexmit;
--
⑨