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From: Jincheng Miao <jmiao@redhat.com>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH v4 3/4] kni: replace strict_strtoul with kstrtoul
Date: Wed, 10 Dec 2014 19:04:02 +0800
Message-ID: <1418209443-1744-4-git-send-email-jmiao@redhat.com> (raw)
In-Reply-To: <1418209443-1744-1-git-send-email-jmiao@redhat.com>

Add kni/compat.h for be compatible with older kernel.

Signed-off-by: Jincheng Miao <jmiao@redhat.com>
---
 lib/librte_eal/linuxapp/kni/compat.h    | 16 ++++++++++++++++
 lib/librte_eal/linuxapp/kni/kni_vhost.c |  3 ++-
 2 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 lib/librte_eal/linuxapp/kni/compat.h

diff --git a/lib/librte_eal/linuxapp/kni/compat.h b/lib/librte_eal/linuxapp/kni/compat.h
new file mode 100644
index 0000000..39e07ef
--- /dev/null
+++ b/lib/librte_eal/linuxapp/kni/compat.h
@@ -0,0 +1,16 @@
+/*
+ * Minimal wrappers to allow compiling kni on older kernels.
+ */
+
+#ifndef RHEL_RELEASE_VERSION
+#define RHEL_RELEASE_VERSION(a, b) (((a) << 8) + (b))
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && \
+	(!(defined(RHEL_RELEASE_CODE) && \
+	 RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(6, 4)))
+
+#define kstrtoul strict_strtoul
+
+#endif /* < 2.6.39 */
+
diff --git a/lib/librte_eal/linuxapp/kni/kni_vhost.c b/lib/librte_eal/linuxapp/kni/kni_vhost.c
index 7bcc985..35263f2 100644
--- a/lib/librte_eal/linuxapp/kni/kni_vhost.c
+++ b/lib/librte_eal/linuxapp/kni/kni_vhost.c
@@ -35,6 +35,7 @@
 
 #include "kni_dev.h"
 #include "kni_fifo.h"
+#include "compat.h"
 
 #define RX_BURST_SZ 4
 
@@ -740,7 +741,7 @@ set_sock_en(struct device *dev, struct device_attribute *attr,
 	unsigned long en;
 	int err = 0;
 
-	if (0 != strict_strtoul(buf, 0, &en))
+	if (0 != kstrtoul(buf, 0, &en))
 		return -EINVAL;
 
 	if (en)
-- 
1.8.3.1

  parent reply	other threads:[~2014-12-10 11:04 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-10 11:03 [dpdk-dev] [PATCH v4 0/4] compatibility fallback and replacement of kernel function invoking Jincheng Miao
2014-12-10 11:04 ` [dpdk-dev] [PATCH v4 1/4] igb_uio: compatible with upstream longterm kernel and RHEL Jincheng Miao
2014-12-10 11:04 ` [dpdk-dev] [PATCH v4 2/4] igb_uio: replace strict_strtoul with kstrtoul Jincheng Miao
2014-12-10 11:04 ` Jincheng Miao [this message]
2014-12-10 11:04 ` [dpdk-dev] [PATCH v4 4/4] xen_dom0: " Jincheng Miao
2014-12-10 12:27   ` Thomas Monjalon
2014-12-10 13:03     ` Jincheng Miao
2014-12-11  1:00 ` [dpdk-dev] [PATCH v4 0/4] compatibility fallback and replacement of kernel function invoking Thomas Monjalon
2014-12-11  3:16   ` Jincheng Miao

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