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samples: pktgen: add UDP tx checksum support 

Introduce k parameter in pktgen samples in order to toggle UDP tx
checksum

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Link: https://lore.kernel.org/r/cf16417902062c6ea2fd3c79e00510e36a40c31a.1622210713.git.lorenzo@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Lorenzo Bianconi 2021-05-28 16:06:35 +02:00 committed by Jakub Kicinski
parent 38e9673ce0
commit 460a9aa23d
7 changed files with 18 additions and 1 deletions
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7
samples/pktgen/parameters.sh
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@ -11,6 +11,7 @@ function usage() {
echo " -d : (\$DEST_IP) destination IP. CIDR (e.g. 198.18.0.0/15) is also allowed"
echo " -m : (\$DST_MAC) destination MAC-addr"
echo " -p : (\$DST_PORT) destination PORT range (e.g. 433-444) is also allowed"
echo " -k : (\$UDP_CSUM) enable UDP tx checksum"
echo " -t : (\$THREADS) threads to start"
echo " -f : (\$F_THREAD) index of first thread (zero indexed CPU number)"
echo " -c : (\$SKB_CLONE) SKB clones send before alloc new SKB"
@ -26,7 +27,7 @@ function usage() {
## --- Parse command line arguments / parameters ---
## echo "Commandline options:"
while getopts "s:i:d:m:p:f:t:c:n:b:w:vxh6a" option; do
while getopts "s:i:d:m:p:f:t:c:n:b:w:vxh6ak" option; do
case $option in
i) # interface
export DEV=$OPTARG
@ -88,6 +89,10 @@ while getopts "s:i:d:m:p:f:t:c:n:b:w:vxh6a" option; do
export APPEND=yes
info "Append mode: APPEND=$APPEND"
;;
k)
export UDP_CSUM=yes
info "UDP tx checksum: UDP_CSUM=$UDP_CSUM"
;;
h|?|*)
usage;
err 2 "[ERROR] Unknown parameters!!!"

2
samples/pktgen/pktgen_sample01_simple.sh
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@ -72,6 +72,8 @@ if [ -n "$DST_PORT" ]; then
pg_set $DEV "udp_dst_max $UDP_DST_MAX"
fi
[ ! -z "$UDP_CSUM" ] && pg_set $dev "flag UDPCSUM"
# Setup random UDP port src range
pg_set $DEV "flag UDPSRC_RND"
pg_set $DEV "udp_src_min $UDP_SRC_MIN"

2
samples/pktgen/pktgen_sample02_multiqueue.sh
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@ -75,6 +75,8 @@ for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
pg_set $dev "udp_dst_max $UDP_DST_MAX"
fi
[ ! -z "$UDP_CSUM" ] && pg_set $dev "flag UDPCSUM"
# Setup random UDP port src range
pg_set $dev "flag UDPSRC_RND"
pg_set $dev "udp_src_min $UDP_SRC_MIN"

2
samples/pktgen/pktgen_sample03_burst_single_flow.sh
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@ -73,6 +73,8 @@ for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
pg_set $dev "udp_dst_max $UDP_DST_MAX"
fi
[ ! -z "$UDP_CSUM" ] && pg_set $dev "flag UDPCSUM"
# Setup burst, for easy testing -b 0 disable bursting
# (internally in pktgen default and minimum burst=1)
if [[ ${BURST} -ne 0 ]]; then

2
samples/pktgen/pktgen_sample04_many_flows.sh
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@ -72,6 +72,8 @@ for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
pg_set $dev "udp_dst_max $UDP_DST_MAX"
fi
[ ! -z "$UDP_CSUM" ] && pg_set $dev "flag UDPCSUM"
# Randomize source IP-addresses
pg_set $dev "flag IPSRC_RND"
pg_set $dev "src_min $SRC_MIN"

2
samples/pktgen/pktgen_sample05_flow_per_thread.sh
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@ -62,6 +62,8 @@ for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
pg_set $dev "udp_dst_max $UDP_DST_MAX"
fi
[ ! -z "$UDP_CSUM" ] && pg_set $dev "flag UDPCSUM"
# Setup source IP-addresses based on thread number
pg_set $dev "src_min 198.18.$((thread+1)).1"
pg_set $dev "src_max 198.18.$((thread+1)).1"

2
samples/pktgen/pktgen_sample06_numa_awared_queue_irq_affinity.sh
View File

@ -92,6 +92,8 @@ for ((i = 0; i < $THREADS; i++)); do
pg_set $dev "udp_dst_max $UDP_DST_MAX"
fi
[ ! -z "$UDP_CSUM" ] && pg_set $dev "flag UDPCSUM"
# Setup random UDP port src range
pg_set $dev "flag UDPSRC_RND"
pg_set $dev "udp_src_min $UDP_SRC_MIN"