[spp] [PATCH 3/6] bin: add SPP_FILE_PREFIX env variable

[yasufum.o at gmail.com]

From: Yasufumi Ogawa <yasufum.o at gmail.com>

Add environmental variable SPP_FILE_PREFIX in startup scripts for
launching all of SPP processes with the same file prefix.

Signed-off-by: Yasufumi Ogawa <yasufum.o at gmail.com>
---
 bin/sample/config.sh | 4 +++-
 bin/spp_pri.sh       | 7 ++++++-
 bin/start.sh         | 6 ++++--
 3 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/bin/sample/config.sh b/bin/sample/config.sh
index 6dfd89d..e797956 100644
--- a/bin/sample/config.sh
+++ b/bin/sample/config.sh
@@ -1,7 +1,9 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright(c) 2019 Nippon Telegraph and Telephone Corporation
 
-SPP_HOST_IP=127.0.0.1
+SPP_CTL_IP=127.0.0.1
+SPP_FILE_PREFIX=spp  # used for --file-prefix option
+
 SPP_HUGEPAGES=/dev/hugepages
 
 # spp_primary options
diff --git a/bin/spp_pri.sh b/bin/spp_pri.sh
index f08a178..5e21572 100644
--- a/bin/spp_pri.sh
+++ b/bin/spp_pri.sh
@@ -55,6 +55,10 @@ function setup_vdevs() {
 function spp_pri() {
     SPP_PRI_BIN=${SPP_DIR}/src/primary/${RTE_TARGET}/spp_primary
 
+    if [ ${SPP_FILE_PREFIX} ]; then
+        FILE_PREFIX_OPT="--file-prefix ${SPP_FILE_PREFIX}"
+    fi
+
     cmd="sudo ${SPP_PRI_BIN} \
         -l ${PRI_CORE_LIST} \
         -n ${PRI_MEMCHAN} \
@@ -62,6 +66,7 @@ function spp_pri() {
         --huge-dir ${SPP_HUGEPAGES} \
         --proc-type primary \
         --base-virtaddr 0x100000000 \
+        ${FILE_PREFIX_OPT} \
         --log-level ${LOGLEVEL} \
         ${SPP_PRI_VHOST} \
         ${SPP_PRI_RING} \
@@ -70,7 +75,7 @@ function spp_pri() {
         -- \
         -p ${PRI_PORTMASK} \
         -n ${NUM_RINGS} \
-        -s ${SPP_HOST_IP}:5555"
+        -s ${SPP_CTL_IP}:5555"
 
     if [ ${DRY_RUN} ]; then
         echo ${cmd}
diff --git a/bin/start.sh b/bin/start.sh
index 2f4e31a..ce3ce26 100755
--- a/bin/start.sh
+++ b/bin/start.sh
@@ -29,7 +29,7 @@ do
 done
 
 function start_spp_ctl() {
-    cmd="python3 ${SPP_DIR}/src/spp-ctl/spp-ctl -b ${SPP_HOST_IP}"
+    cmd="python3 ${SPP_DIR}/src/spp-ctl/spp-ctl -b ${SPP_CTL_IP}"
     if [ ${DRY_RUN} ]; then
         echo ${cmd}
     else
@@ -65,5 +65,7 @@ start_spp_pri
 
 if [ ! ${DRY_RUN} ]; then
     sleep 1  # wait for spp-ctl is ready
-    python3 ${SPP_DIR}/src/spp.py -b ${SPP_HOST_IP} --wait-pri
+    SPP_CTL_IP=${SPP_CTL_IP} \
+    SPP_FILE_PREFIX=${SPP_FILE_PREFIX} \
+    python3 ${SPP_DIR}/src/spp.py -b ${SPP_CTL_IP} --wait-pri
 fi
-- 
2.17.1