ttcn3
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osmo-ttcn3-hacks
mirror of https://gerrit.osmocom.org/osmo-ttcn3-hacks
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Update pcap pkt size to 1520 bytes 

I see packets of 1520 bytes in the generated pcap running under the
docker setup. This happens when a lot of IPA concurrent clients send
messages and end up in the same TCP packet due to naggle algorithm.

Change-Id: I362371508ba83acc48376b6ed012a97a59d4b31b
This commit is contained in:
Pau Espin 2024-02-27 18:35:07 +01:00
parent 4ecc808f1d
commit 7ae55ea29c
2 changed files with 3 additions and 3 deletions
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2
ttcn3-dumpcap-start.sh
View File

@ -80,7 +80,7 @@ for f in /sys/class/net/*; do
fi
done
$CMD -s 1500 -n ${ADDL_ARGS} -w "$TTCN3_PCAP_PATH/$TESTCASE.pcapng" >$TTCN3_PCAP_PATH/$TESTCASE.pcapng.stdout 2>&1 &
$CMD -s 1520 -n ${ADDL_ARGS} -w "$TTCN3_PCAP_PATH/$TESTCASE.pcapng" >$TTCN3_PCAP_PATH/$TESTCASE.pcapng.stdout 2>&1 &
PID=$!
echo $PID > $PIDFILE_PCAP

4
ttcn3-tcpdump-start.sh
View File

@ -84,9 +84,9 @@ fi
# Log stderr to CMD_OUTFILE and a dedicated error log file
tee $CMD_OUTFILE < $FIFO > $CMD_OUTFILE_ERR &
CMD_STR="$CMD -s 1500 -n -i any -w \"$TTCN3_PCAP_PATH/$TESTCASE.pcap\" >$CMD_OUTFILE 2>$FIFO &"
CMD_STR="$CMD -s 1520 -n -i any -w \"$TTCN3_PCAP_PATH/$TESTCASE.pcap\" >$CMD_OUTFILE 2>$FIFO &"
eval $CMD_STR
# $CMD -s 1500 -n -i any -w \"$TTCN3_PCAP_PATH/$TESTCASE.pcap\" >$CMD_OUTFILE &
# $CMD -s 1520 -n -i any -w \"$TTCN3_PCAP_PATH/$TESTCASE.pcap\" >$CMD_OUTFILE &
PID=$!
echo $PID > $PIDFILE_PCAP
if [ -f $CMD_OUTFILE_ERR ] && [ $(wc -l $CMD_OUTFILE_ERR | awk '{print $1}') -ne 0 ]; then