From d32c5be50bf0600bfdc54223ef341ee9c63db445 Mon Sep 17 00:00:00 2001
From: Peter Tyser <ptyser@xes-inc.com>
Date: Mon, 1 Dec 2008 16:26:21 -0600
Subject: [PATCH] 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>
---
net/net.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/net.c b/net/net.c
index cf1f4fa1f29..7354f2c14f5 100644
--- a/net/net.c
+++ b/net/net.c
@@ -1399,7 +1399,8 @@ NetReceive(volatile uchar * inpkt, int len)
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 */
--
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