net: Add additional IP fragmentation check
Ignore IP packets which have the "more fragments" flag bit
set. This flag indicates the IP packet is fragmented and
must be ignored by U-Boot.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
diff --git a/net/net.c b/net/net.c
index cf1f4fa..7354f2c 100644
--- a/net/net.c
+++ b/net/net.c
@@ -1399,7 +1399,8 @@
if ((ip->ip_hl_v & 0xf0) != 0x40) {
return;
}
- if (ip->ip_off & htons(IP_OFFS)) { /* Can't deal w/ fragments */
+ /* Can't deal with fragments */
+ if (ip->ip_off & htons(IP_OFFS | IP_FLAGS_MFRAG)) {
return;
}
/* can't deal with headers > 20 bytes */