From e09b41010ba33a20a87472ee821fa407a5b8da36 Mon Sep 17 00:00:00 2001
From: José Pekkarinen <jose.pekkarinen@nokia.com>
Date: Mon, 11 Apr 2016 10:41:07 +0300
Subject: These changes are the raw update to linux-4.4.6-rt14. Kernel sources
 are taken from kernel.org, and rt patch from the rt wiki download page.
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During the rebasing, the following patch collided:

Force tick interrupt and get rid of softirq magic(I70131fb85).

Collisions have been removed because its logic was found on the
source already.

Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769
Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
---
 kernel/samples/pktgen/parameters.sh | 97 +++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 kernel/samples/pktgen/parameters.sh

(limited to 'kernel/samples/pktgen/parameters.sh')

diff --git a/kernel/samples/pktgen/parameters.sh b/kernel/samples/pktgen/parameters.sh
new file mode 100644
index 000000000..33b70fdd5
--- /dev/null
+++ b/kernel/samples/pktgen/parameters.sh
@@ -0,0 +1,97 @@
+#
+# Common parameter parsing for pktgen scripts
+#
+
+function usage() {
+    echo ""
+    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 "  -m : (\$DST_MAC)   destination MAC-addr"
+    echo "  -t : (\$THREADS)   threads to start"
+    echo "  -c : (\$SKB_CLONE) SKB clones send before alloc new SKB"
+    echo "  -b : (\$BURST)     HW level bursting of SKBs"
+    echo "  -v : (\$VERBOSE)   verbose"
+    echo "  -x : (\$DEBUG)     debug"
+    echo ""
+}
+
+##  --- Parse command line arguments / parameters ---
+## echo "Commandline options:"
+while getopts "s:i:d:m:t:c:b:vxh" option; do
+    case $option in
+        i) # interface
+          export DEV=$OPTARG
+	  info "Output device set to: DEV=$DEV"
+          ;;
+        s)
+          export PKT_SIZE=$OPTARG
+	  info "Packet size set to: PKT_SIZE=$PKT_SIZE bytes"
+          ;;
+        d) # destination IP
+          export DEST_IP=$OPTARG
+	  info "Destination IP set to: DEST_IP=$DEST_IP"
+          ;;
+        m) # MAC
+          export DST_MAC=$OPTARG
+	  info "Destination MAC set to: DST_MAC=$DST_MAC"
+          ;;
+        t)
+	  export THREADS=$OPTARG
+          export CPU_THREADS=$OPTARG
+	  let "CPU_THREADS -= 1"
+	  info "Number of threads to start: $THREADS (0 to $CPU_THREADS)"
+          ;;
+        c)
+	  export CLONE_SKB=$OPTARG
+	  info "CLONE_SKB=$CLONE_SKB"
+          ;;
+        b)
+	  export BURST=$OPTARG
+	  info "SKB bursting: BURST=$BURST"
+          ;;
+        v)
+          export VERBOSE=yes
+          info "Verbose mode: VERBOSE=$VERBOSE"
+          ;;
+        x)
+          export DEBUG=yes
+          info "Debug mode: DEBUG=$DEBUG"
+          ;;
+        h|?|*)
+          usage;
+          err 2 "[ERROR] Unknown parameters!!!"
+    esac
+done
+shift $(( $OPTIND - 1 ))
+
+if [ -z "$PKT_SIZE" ]; then
+    # NIC adds 4 bytes CRC
+    export PKT_SIZE=60
+    info "Default packet size set to: set to: $PKT_SIZE bytes"
+fi
+
+if [ -z "$THREADS" ]; then
+    # Zero CPU threads means one thread, because CPU numbers are zero indexed
+    export CPU_THREADS=0
+    export THREADS=1
+fi
+
+if [ -z "$DEV" ]; then
+    usage
+    err 2 "Please specify output device"
+fi
+
+if [ -z "$DST_MAC" ]; then
+    warn "Missing destination MAC address"
+fi
+
+if [ -z "$DEST_IP" ]; then
+    warn "Missing destination IP address"
+fi
+
+if [ ! -d /proc/net/pktgen ]; then
+    info "Loading kernel module: pktgen"
+    modprobe pktgen
+fi
-- 
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