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samples: pktgen: allow to specify destination IP range (CIDR)

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Currently, kernel pktgen has the feature to specify destination
address range for sending packet. (e.g. pgset "dst_min/dst_max")

But on samples, each pktgen script doesn't have any option to achieve this.

This commit adds the feature to specify the destination address range with CIDR.

    -d : ($DEST_IP)   destination IP. CIDR (e.g. 198.18.0.0/15) is also allowed

    # ./pktgen_sample01_simple.sh -6 -d fe80::20/126 -p 3000 -n 4
    # tcpdump ip6 and udp
    05:14:18.082285 IP6 fe80::99.71 > fe80::23.3000: UDP, length 16
    05:14:18.082564 IP6 fe80::99.43 > fe80::23.3000: UDP, length 16
    05:14:18.083366 IP6 fe80::99.107 > fe80::22.3000: UDP, length 16
    05:14:18.083585 IP6 fe80::99.97 > fe80::21.3000: UDP, length 16

Signed-off-by: Daniel T. Lee <danieltimlee@gmail.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel T. Lee 2019-10-05 17:25:09 +09:00 committed by David S. Miller
parent f0681d95e7
commit 40f843ee5e
10 changed files with 55 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
samples/pktgen/README.rst
View File

@ -18,7 +18,7 @@ across the sample scripts. Usage example is printed on errors::
Usage: ./pktgen_sample01_simple.sh [-vx] -i ethX
-i : ($DEV) output interface/device (required)
-s : ($PKT_SIZE) packet size
-d : ($DEST_IP) destination IP
-d : ($DEST_IP) destination IP. CIDR (e.g. 198.18.0.0/15) is also allowed
-m : ($DST_MAC) destination MAC-addr
-p : ($DST_PORT) destination PORT range (e.g. 433-444) is also allowed
-t : ($THREADS) threads to start

2
samples/pktgen/parameters.sh
View File

@ -8,7 +8,7 @@ function usage() {
echo "Usage: $0 [-vx] -i ethX"
echo " -i : (\$DEV) output interface/device (required)"
echo " -s : (\$PKT_SIZE) packet size"
echo " -d : (\$DEST_IP) destination IP"
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 " -t : (\$THREADS) threads to start"

7
samples/pktgen/pktgen_bench_xmit_mode_netif_receive.sh
View File

@ -41,6 +41,10 @@ fi
[ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff"
[ -z "$BURST" ] && BURST=1024
[ -z "$COUNT" ] && COUNT="10000000" # Zero means indefinitely
if [ -n "$DEST_IP" ]; then
validate_addr${IP6} $DEST_IP
read -r DST_MIN DST_MAX <<< $(parse_addr${IP6} $DEST_IP)
fi
if [ -n "$DST_PORT" ]; then
read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT)
validate_ports $UDP_DST_MIN $UDP_DST_MAX
@ -71,7 +75,8 @@ for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
# Destination
pg_set $dev "dst_mac $DST_MAC"
pg_set $dev "dst$IP6 $DEST_IP"
pg_set $dev "dst${IP6}_min $DST_MIN"
pg_set $dev "dst${IP6}_max $DST_MAX"
if [ -n "$DST_PORT" ]; then
# Single destination port or random port range

7
samples/pktgen/pktgen_bench_xmit_mode_queue_xmit.sh
View File

@ -24,6 +24,10 @@ if [[ -n "$BURST" ]]; then
err 1 "Bursting not supported for this mode"
fi
[ -z "$COUNT" ] && COUNT="10000000" # Zero means indefinitely
if [ -n "$DEST_IP" ]; then
validate_addr${IP6} $DEST_IP
read -r DST_MIN DST_MAX <<< $(parse_addr${IP6} $DEST_IP)
fi
if [ -n "$DST_PORT" ]; then
read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT)
validate_ports $UDP_DST_MIN $UDP_DST_MAX
@ -54,7 +58,8 @@ for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
# Destination
pg_set $dev "dst_mac $DST_MAC"
pg_set $dev "dst$IP6 $DEST_IP"
pg_set $dev "dst${IP6}_min $DST_MIN"
pg_set $dev "dst${IP6}_max $DST_MAX"
if [ -n "$DST_PORT" ]; then
# Single destination port or random port range

7
samples/pktgen/pktgen_sample01_simple.sh
View File

@ -22,6 +22,10 @@ fi
# Example enforce param "-m" for dst_mac
[ -z "$DST_MAC" ] && usage && err 2 "Must specify -m dst_mac"
[ -z "$COUNT" ] && COUNT="100000" # Zero means indefinitely
if [ -n "$DEST_IP" ]; then
validate_addr${IP6} $DEST_IP
read -r DST_MIN DST_MAX <<< $(parse_addr${IP6} $DEST_IP)
fi
if [ -n "$DST_PORT" ]; then
read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT)
validate_ports $UDP_DST_MIN $UDP_DST_MAX
@ -61,7 +65,8 @@ pg_set $DEV "flag NO_TIMESTAMP"
# Destination
pg_set $DEV "dst_mac $DST_MAC"
pg_set $DEV "dst$IP6 $DEST_IP"
pg_set $DEV "dst${IP6}_min $DST_MIN"
pg_set $DEV "dst${IP6}_max $DST_MAX"
if [ -n "$DST_PORT" ]; then
# Single destination port or random port range

7
samples/pktgen/pktgen_sample02_multiqueue.sh
View File

@ -29,6 +29,10 @@ if [ -z "$DEST_IP" ]; then
[ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1"
fi
[ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff"
if [ -n "$DEST_IP" ]; then
validate_addr${IP6} $DEST_IP
read -r DST_MIN DST_MAX <<< $(parse_addr${IP6} $DEST_IP)
fi
if [ -n "$DST_PORT" ]; then
read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT)
validate_ports $UDP_DST_MIN $UDP_DST_MAX
@ -62,7 +66,8 @@ for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
# Destination
pg_set $dev "dst_mac $DST_MAC"
pg_set $dev "dst$IP6 $DEST_IP"
pg_set $dev "dst${IP6}_min $DST_MIN"
pg_set $dev "dst${IP6}_max $DST_MAX"
if [ -n "$DST_PORT" ]; then
# Single destination port or random port range

7
samples/pktgen/pktgen_sample03_burst_single_flow.sh
View File

@ -33,6 +33,10 @@ fi
[ -z "$BURST" ] && BURST=32
[ -z "$CLONE_SKB" ] && CLONE_SKB="0" # No need for clones when bursting
[ -z "$COUNT" ] && COUNT="0" # Zero means indefinitely
if [ -n "$DEST_IP" ]; then
validate_addr${IP6} $DEST_IP
read -r DST_MIN DST_MAX <<< $(parse_addr${IP6} $DEST_IP)
fi
if [ -n "$DST_PORT" ]; then
read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT)
validate_ports $UDP_DST_MIN $UDP_DST_MAX
@ -62,7 +66,8 @@ for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
# Destination
pg_set $dev "dst_mac $DST_MAC"
pg_set $dev "dst$IP6 $DEST_IP"
pg_set $dev "dst${IP6}_min $DST_MIN"
pg_set $dev "dst${IP6}_max $DST_MAX"
if [ -n "$DST_PORT" ]; then
# Single destination port or random port range

14
samples/pktgen/pktgen_sample04_many_flows.sh
View File

@ -17,6 +17,10 @@ source ${basedir}/parameters.sh
[ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff"
[ -z "$CLONE_SKB" ] && CLONE_SKB="0"
[ -z "$COUNT" ] && COUNT="0" # Zero means indefinitely
if [ -n "$DEST_IP" ]; then
validate_addr $DEST_IP
read -r DST_MIN DST_MAX <<< $(parse_addr $DEST_IP)
fi
if [ -n "$DST_PORT" ]; then
read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT)
validate_ports $UDP_DST_MIN $UDP_DST_MAX
@ -37,6 +41,9 @@ if [[ -n "$BURST" ]]; then
err 1 "Bursting not supported for this mode"
fi
# 198.18.0.0 / 198.19.255.255
read -r SRC_MIN SRC_MAX <<< $(parse_addr 198.18.0.0/15)
# General cleanup everything since last run
pg_ctrl "reset"
@ -58,7 +65,8 @@ for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
# Single destination
pg_set $dev "dst_mac $DST_MAC"
pg_set $dev "dst $DEST_IP"
pg_set $dev "dst_min $DST_MIN"
pg_set $dev "dst_max $DST_MAX"
if [ -n "$DST_PORT" ]; then
# Single destination port or random port range
@ -69,8 +77,8 @@ for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
# Randomize source IP-addresses
pg_set $dev "flag IPSRC_RND"
pg_set $dev "src_min 198.18.0.0"
pg_set $dev "src_max 198.19.255.255"
pg_set $dev "src_min $SRC_MIN"
pg_set $dev "src_max $SRC_MAX"
# Limit number of flows (max 65535)
pg_set $dev "flows $FLOWS"

7
samples/pktgen/pktgen_sample05_flow_per_thread.sh
View File

@ -22,6 +22,10 @@ source ${basedir}/parameters.sh
[ -z "$CLONE_SKB" ] && CLONE_SKB="0"
[ -z "$BURST" ] && BURST=32
[ -z "$COUNT" ] && COUNT="0" # Zero means indefinitely
if [ -n "$DEST_IP" ]; then
validate_addr $DEST_IP
read -r DST_MIN DST_MAX <<< $(parse_addr $DEST_IP)
fi
if [ -n "$DST_PORT" ]; then
read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT)
validate_ports $UDP_DST_MIN $UDP_DST_MAX
@ -51,7 +55,8 @@ for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
# Single destination
pg_set $dev "dst_mac $DST_MAC"
pg_set $dev "dst $DEST_IP"
pg_set $dev "dst_min $DST_MIN"
pg_set $dev "dst_max $DST_MAX"
if [ -n "$DST_PORT" ]; then
# Single destination port or random port range

7
samples/pktgen/pktgen_sample06_numa_awared_queue_irq_affinity.sh
View File

@ -35,6 +35,10 @@ if [ -z "$DEST_IP" ]; then
[ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1"
fi
[ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff"
if [ -n "$DEST_IP" ]; then
validate_addr${IP6} $DEST_IP
read -r DST_MIN DST_MAX <<< $(parse_addr${IP6} $DEST_IP)
fi
if [ -n "$DST_PORT" ]; then
read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT)
validate_ports $UDP_DST_MIN $UDP_DST_MAX
@ -79,7 +83,8 @@ for ((i = 0; i < $THREADS; i++)); do
# Destination
pg_set $dev "dst_mac $DST_MAC"
pg_set $dev "dst$IP6 $DEST_IP"
pg_set $dev "dst${IP6}_min $DST_MIN"
pg_set $dev "dst${IP6}_max $DST_MAX"
if [ -n "$DST_PORT" ]; then
# Single destination port or random port range