Without this fix, flowgen.py generates bad tcp pkts.
tcpdump reports "bad hdr length 4 - too short" with the pcap
generated by flowgen.py
This patch is to correct pkt data endianness
Signed-off-by: lic121 <lic...@chinatelecom.cn>
---
tests/flowgen.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tests/flowgen.py b/tests/flowgen.py
index 7ef32d1..9823167 100755
--- a/tests/flowgen.py
+++ b/tests/flowgen.py
@@ -135,7 +135,7 @@ def output(attrs):
12893) # urgent pointer
if attrs['TP_PROTO'] == 'TCP+options':
tcp = (tcp[:12]
- + struct.pack('H', (6 << 12) | 0x02 | 0x10)
+ + struct.pack('>H', (6 << 12) | 0x02 | 0x10)
+ tcp[14:])
tcp += struct.pack('>BBH', 2, 4, 1975) # MSS option
tcp += b'payload'
--
1.8.3.1
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