[dpdk-dev] [PATCH 1/2] kni: fix build for 5.0 for dev_open()
Ferruh Yigit ferruh.yigit at intel.com
Tue Jan 22 16:44:28 CET 2019
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Build error seen with Linux kernel 5.0 and
when CONFIG_RTE_KNI_KMOD_ETHTOOL is enabled.
build error:
.../build/build/kernel/linux/kni/ixgbe_ethtool.c:1746:4:
error: too few arguments to function ‘dev_open’
dev_open(netdev);
^~~~~~~~
In file included from .../build/kernel/linux/kni/ixgbe_ethtool.c:18:
.../linux/linux/include/linux/netdevice.h:2620:5: note: declared here
int dev_open(struct net_device *dev, struct netlink_ext_ack *extack);
^~~~~~~~
.../build/build/kernel/linux/kni/igb_ethtool.c:1812:4:
error: too few arguments to function ‘dev_open’
dev_open(netdev);
^~~~~~~~
In file included from .../build/build/kernel/linux/kni/igb_ethtool.c:15:
.../linux/linux/include/linux/netdevice.h:2620:5: note: declared here
int dev_open(struct net_device *dev, struct netlink_ext_ack *extack);
^~~~~~~~
dev_open() is changed in Linux kernel version 5.0 and now requires
a new parameter, 'struct netlink_ext_ack *extack'.
Fixed by defining dev_open as macro when kernel version >= 5.0
Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
---
kernel/linux/kni/ethtool/igb/kcompat.h | 4 ++++
kernel/linux/kni/ethtool/ixgbe/kcompat.h | 4 ++++
2 files changed, 8 insertions(+)
diff --git a/kernel/linux/kni/ethtool/igb/kcompat.h b/kernel/linux/kni/ethtool/igb/kcompat.h
index 430aabafe..068cfeb52 100644
--- a/kernel/linux/kni/ethtool/igb/kcompat.h
+++ b/kernel/linux/kni/ethtool/igb/kcompat.h
@@ -3940,6 +3940,10 @@ skb_set_hash(struct sk_buff *skb, __u32 hash, __always_unused int type)
#define HAVE_PCI_ENABLE_MSIX
#endif
+#if ( LINUX_VERSION_CODE >= KERNEL_VERSION(5,0,0) )
+#define dev_open(x) dev_open(x, NULL)
+#endif /* >= 5.0.0 */
+
#if defined(timer_setup) && defined(from_timer)
#define HAVE_TIMER_SETUP
#endif
diff --git a/kernel/linux/kni/ethtool/ixgbe/kcompat.h b/kernel/linux/kni/ethtool/ixgbe/kcompat.h
index 7c7d6c317..419fd1f13 100644
--- a/kernel/linux/kni/ethtool/ixgbe/kcompat.h
+++ b/kernel/linux/kni/ethtool/ixgbe/kcompat.h
@@ -3125,6 +3125,10 @@ static inline int __kc_pci_vfs_assigned(struct pci_dev *dev)
#define SET_ETHTOOL_OPS(netdev, ops) ((netdev)->ethtool_ops = (ops))
#endif /* >= 3.16.0 */
+#if ( LINUX_VERSION_CODE >= KERNEL_VERSION(5,0,0) )
+#define dev_open(x) dev_open(x, NULL)
+#endif /* >= 5.0.0 */
+
/*
* vlan_tx_tag_* macros renamed to skb_vlan_tag_* (Linux commit: df8a39defad4)
* For older kernels backported this commit, need to use renamed functions.
--
2.17.2
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