[PATCH v2 net-next] samples: pktgen: add UDP tx checksum support
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: 2021-05-28 14:06:44
Introduce k parameter in pktgen samples in order to toggle UDP tx checksum Acked-by: Jesper Dangaard Brouer <redacted> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> --- Changes since v1: - use spaces instead of tabs --- 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 ++ .../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 b4c1b371e4b8..81906f199454 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 a09f3422fbcc..246cfe02bb82 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 acae8ede0d6c..c6af3d9d5171 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 5adcf954de73..ab87de440277 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 ddce876635aa..56c5f5af350f 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 4a65fe2fcee9..6e0effabca59 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 10f1da571f40..7c27923083a6 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"
--
2.31.1