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From 38ad54f3bc7614b53bd6ca3644a471a3842502fc Mon Sep 17 00:00:00 2001
From: Ferruh Yigit <ferruh.yigit@intel.com>
Date: Wed, 12 Feb 2020 17:14:24 +0000
Subject: [PATCH] kni: fix build with Linux 5.6
With the following Linux commit a new parameter 'txqueue' has been added
to 'ndo_tx_timeout' ndo:
commit 0290bd291cc0 ("netdev: pass the stuck queue to the timeout handler")
The change reflected to the KNI with version check.
Cc: stable@dpdk.org
Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
Acked-by: David Marchand <david.marchand@redhat.com>
Upstream-Status: Backport [38ad54f3bc7614b53bd6ca3644a471a3842502fc]
Signed-off-by: He Zhe <zhe.he@windriver.com>
---
kernel/linux/kni/compat.h | 4 ++++
kernel/linux/kni/kni_net.c | 5 +++++
2 files changed, 9 insertions(+)
diff --git a/kernel/linux/kni/compat.h b/kernel/linux/kni/compat.h
index 7109474..9ee45db 100644
--- a/kernel/linux/kni/compat.h
+++ b/kernel/linux/kni/compat.h
@@ -130,3 +130,7 @@
#if KERNEL_VERSION(4, 10, 0) <= LINUX_VERSION_CODE
#define HAVE_IOVA_TO_KVA_MAPPING_SUPPORT
#endif
+
+#if KERNEL_VERSION(5, 6, 0) <= LINUX_VERSION_CODE
+#define HAVE_TX_TIMEOUT_TXQUEUE
+#endif
diff --git a/kernel/linux/kni/kni_net.c b/kernel/linux/kni/kni_net.c
index 97fe85b..c82c881 100644
--- a/kernel/linux/kni/kni_net.c
+++ b/kernel/linux/kni/kni_net.c
@@ -623,8 +623,13 @@ kni_net_rx(struct kni_dev *kni)
/*
* Deal with a transmit timeout.
*/
+#ifdef HAVE_TX_TIMEOUT_TXQUEUE
+static void
+kni_net_tx_timeout(struct net_device *dev, unsigned int txqueue)
+#else
static void
kni_net_tx_timeout(struct net_device *dev)
+#endif
{
pr_debug("Transmit timeout at %ld, latency %ld\n", jiffies,
jiffies - dev_trans_start(dev));
--
2.7.4
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