From 460a9aa23de6eda55734411e3301838a9033b8b9 Mon Sep 17 00:00:00 2001 From: Lorenzo Bianconi Date: Fri, 28 May 2021 16:06:35 +0200 Subject: [PATCH] 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 Acked-by: Jesper Dangaard Brouer Link: https://lore.kernel.org/r/cf16417902062c6ea2fd3c79e00510e36a40c31a.1622210713.git.lorenzo@kernel.org Signed-off-by: Jakub Kicinski --- samples/pktgen/parameters.sh | 7 ++++++- samples/pktgen/pktgen_sample01_simple.sh | 2 ++ samples/pktgen/pktgen_sample02_multiqueue.sh | 2 ++ samples/pktgen/pktgen_sample03_burst_single_flow.sh | 2 ++ samples/pktgen/pktgen_sample04_many_flows.sh | 2 ++ samples/pktgen/pktgen_sample05_flow_per_thread.sh | 2 ++ samples/pktgen/pktgen_sample06_numa_awared_queue_irq_affinity.sh | 2 ++ 7 files changed, 18 insertions(+), 1 deletion(-) diff --git a/samples/pktgen/parameters.sh b/samples/pktgen/parameters.sh index b4c1b37..81906f1 100644 --- a/samples/pktgen/parameters.sh +++ b/samples/pktgen/parameters.sh @@ -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!!!" diff --git a/samples/pktgen/pktgen_sample01_simple.sh b/samples/pktgen/pktgen_sample01_simple.sh index a09f342..246cfe0 100755 --- a/samples/pktgen/pktgen_sample01_simple.sh +++ b/samples/pktgen/pktgen_sample01_simple.sh @@ -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" diff --git a/samples/pktgen/pktgen_sample02_multiqueue.sh b/samples/pktgen/pktgen_sample02_multiqueue.sh index acae8ed..c6af3d9 100755 --- a/samples/pktgen/pktgen_sample02_multiqueue.sh +++ b/samples/pktgen/pktgen_sample02_multiqueue.sh @@ -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" diff --git a/samples/pktgen/pktgen_sample03_burst_single_flow.sh b/samples/pktgen/pktgen_sample03_burst_single_flow.sh index 5adcf95..ab87de4 100755 --- a/samples/pktgen/pktgen_sample03_burst_single_flow.sh +++ b/samples/pktgen/pktgen_sample03_burst_single_flow.sh @@ -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 diff --git a/samples/pktgen/pktgen_sample04_many_flows.sh b/samples/pktgen/pktgen_sample04_many_flows.sh index ddce876..56c5f5a 100755 --- a/samples/pktgen/pktgen_sample04_many_flows.sh +++ b/samples/pktgen/pktgen_sample04_many_flows.sh @@ -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" diff --git a/samples/pktgen/pktgen_sample05_flow_per_thread.sh b/samples/pktgen/pktgen_sample05_flow_per_thread.sh index 4a65fe2..6e0effa 100755 --- a/samples/pktgen/pktgen_sample05_flow_per_thread.sh +++ b/samples/pktgen/pktgen_sample05_flow_per_thread.sh @@ -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" diff --git a/samples/pktgen/pktgen_sample06_numa_awared_queue_irq_affinity.sh b/samples/pktgen/pktgen_sample06_numa_awared_queue_irq_affinity.sh index 10f1da5..7c27923 100755 --- a/samples/pktgen/pktgen_sample06_numa_awared_queue_irq_affinity.sh +++ b/samples/pktgen/pktgen_sample06_numa_awared_queue_irq_affinity.sh @@ -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" -- 2.7.4