kni: fix build for SLES15-SP3

[ upstream commit c28e216 ]

As suse version numbering is inconsistent to determine Linux kernel
API to be used. In this patch we check parameter of 'ndo_tx_timeout'
API directly from the kernel source. This is done only for suse build.

Bugzilla ID: 812

Signed-off-by: Aman Singh <aman.deep.singh@intel.com>
Acked-by: Ferruh Yigit <ferruh.yigit@intel.com>
Tested-by: Longfeng Liang <longfengx.liang@intel.com>

kernel/linux/kni/compat.h

@@ -133,7 +133,8 @@
 
 #if KERNEL_VERSION(5, 6, 0) <= LINUX_VERSION_CODE || \
 	(defined(RHEL_RELEASE_CODE) && \
-	 RHEL_RELEASE_VERSION(8, 3) <= RHEL_RELEASE_CODE)
+	 RHEL_RELEASE_VERSION(8, 3) <= RHEL_RELEASE_CODE) || \
+	 (defined(CONFIG_SUSE_KERNEL) && defined(HAVE_ARG_TX_QUEUE))
 #define HAVE_TX_TIMEOUT_TXQUEUE
 #endif
 

kernel/linux/kni/meson.build

@@ -1,6 +1,17 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright(c) 2018 Luca Boccassi <bluca@debian.org>
 
+# For SUSE build check function arguments of ndo_tx_timeout API
+# Ref: https://jira.devtools.intel.com/browse/DPDK-29263
+kmod_cflags = ''
+file_path = kernel_source_dir + '/include/linux/netdevice.h'
+run_cmd = run_command('grep', 'ndo_tx_timeout', file_path)
+
+if run_cmd.stdout().contains('txqueue') == true
+   kmod_cflags = '-DHAVE_ARG_TX_QUEUE'
+endif
+
+
 kni_mkfile = custom_target('rte_kni_makefile',
 	output: 'Makefile',
 	command: ['touch', '@OUTPUT@'])
@@ -16,7 +27,8 @@ custom_target('rte_kni',
 	command: ['make', '-j4', '-C', kernel_dir + '/build',
 		'M=' + meson.current_build_dir(),
 		'src=' + meson.current_source_dir(),
-		'MODULE_CFLAGS=-include ' + meson.source_root() + '/config/rte_config.h' +
+		' '.join(['MODULE_CFLAGS=', kmod_cflags,'-include '])
+		+ meson.source_root() + '/config/rte_config.h' +
 		' -I' + meson.source_root() + '/lib/librte_eal/common/include' +
 		' -I' + meson.source_root() + '/lib/librte_eal/linux/eal/include' +
 		' -I' + meson.build_root() +

kernel/linux/meson.build

@@ -10,10 +10,15 @@ if get_option('kernel_dir') == '' and meson.is_cross_build()
 endif
 
 kernel_dir = get_option('kernel_dir')
+kernel_source_dir = get_option('kernel_dir')
 if kernel_dir == ''
 	# use default path for native builds
 	kernel_version = run_command('uname', '-r').stdout().strip()
 	kernel_dir = '/lib/modules/' + kernel_version
+	if kernel_source_dir == ''
+		# use default path for native builds
+		kernel_source_dir = '/lib/modules/' + kernel_version + '/source'
+	endif
 endif
 
 # test running make in kernel directory, using "make kernelversion"