1 files changed, 59 insertions, 0 deletions
diff --git a/tools/docker/test-containers/dpdk-forwarding-pods/l2l3fwd/l2fwd_substitute.sh b/tools/docker/test-containers/dpdk-forwarding-pods/l2l3fwd/l2fwd_substitute.sh
new file mode 100755
index 00000000..83c5dbdb
--- /dev/null
+++ b/tools/docker/test-containers/dpdk-forwarding-pods/l2l3fwd/l2fwd_substitute.sh
@@ -0,0 +1,59 @@
+#!/bin/bash
+
+# SPDX-License-Identifier: Apache-2.0
+# Copyright(c) 2021 Red Hat, Inc.
+
+
+# Add new app-netutil headerfile to the main code so app-netutil
+# can be called to gather parameters.
+#
+# Search for line with: "#include <rte_mbuf.h>".
+# Append line:          "#include "dpdk-args.h"".
+sed -i -e '/#include <rte_mbuf.h>/a #include "dpdk-args.h"' main.c
+
+
+# Replace the call to rte_eal_init() to call app-netutil code first
+# if no input parametes were passed in. app-netutil code generates
+# its own set of DPDK parameters that are used instead. If input
+# parameters were passed in, call rte_eal_init() with input parameters
+# and run as if app-netutil wasn't there.
+#
+# Search for the line with "ret = rte_eal_init(argc, argv);"
+# Create a label 'a' and continue searching and copying until
+#   line with "argv += ret;" is found.
+# Replace that block of code with the contents of file 'l2fwd_eal_init.txt'.
+sed -i '/ret = rte_eal_init(argc, argv);/{
+:a;N;/argv += ret;/!ba;N;s/.*\n//g
+r l2fwd_eal_init.txt
+}' main.c
+
+
+# If no input parametes were passed in, use the parameter list generated
+# by app-netutil in the previous patch to call the local parameter
+# parsing code, l2fwd_parse_args(). If input parameters were passed in,
+# call l2fwd_parse_args() with input parameters and run as if app-netutil
+# wasn't there.
+#
+# Search for the line with "ret = l2fwd_parse_args(argc, argv);"
+# Replace that line of code with the contents of file
+#   'l2fwd_parse_args.txt'.
+sed -i '/ret = l2fwd_parse_args(argc, argv);/{
+s/ret = l2fwd_parse_args(argc, argv);//g
+r l2fwd_parse_args.txt
+}' main.c
+
+
+# Add new app-netutil source file to the Makefile.
+#
+# Search for line with: "SRCS-y :=".
+# Append line:          "SRCS-y += c_util.c dpdk-args.c".
+sed -i -e '/SRCS-y :=/a SRCS-y += c_util.c dpdk-args.c' Makefile
+
+
+# Add new app-netutil shared library to the Makefile.
+# Contains the C API and GO package which collects the
+# interface data.
+#
+# Search for line with: "SRCS-y += c_util.c dpdk-args.c".
+# Append line:          "LDLIBS += -lnetutil_api".
+sed -i -e '/SRCS-y += c_util.c dpdk-args.c/a LDLIBS += -lnetutil_api' Makefile