[PATCH] kni: add support for older kernels
From: Ferruh Yigit <hidden>
Date: 2016-08-26 12:27:22
Signed-off-by: Ferruh Yigit <redacted> --- lib/librte_eal/linuxapp/kni/compat.h | 13 +++++++++++++ lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h | 13 +++++++++++++ lib/librte_eal/linuxapp/kni/ethtool/ixgbe/kcompat.h | 12 ++++++++++++ 3 files changed, 38 insertions(+)
diff --git a/lib/librte_eal/linuxapp/kni/compat.h b/lib/librte_eal/linuxapp/kni/compat.h
index 647ba3c..962a4e7 100644
--- a/lib/librte_eal/linuxapp/kni/compat.h
+++ b/lib/librte_eal/linuxapp/kni/compat.h@@ -38,3 +38,16 @@ #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 7, 0) #define HAVE_TRANS_START_HELPER #endif + +/* + * KNI uses NET_NAME_UNKNOWN macro to select correct version of alloc_netdev() + * For old kernels just backported the commit that enables the macro + * (685343fc3ba6) but still uses old API, it is required to undefine macro to + * select correct version of API, this is safe since KNI doesn't use the value. + * This fix is specific to RedHat/CentOS kernels. + */ +#if (defined(RHEL_RELEASE_CODE) && \ + (RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(6, 8)) && \ + (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 34))) +#undef NET_NAME_UNKNOWN +#endif
diff --git a/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h b/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
index bdd0806..25ac41b 100644
--- a/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
+++ b/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h@@ -3915,4 +3915,17 @@ skb_set_hash(struct sk_buff *skb, __u32 hash, __always_unused int type) /* ndo_bridge_getlink adds new filter_mask and vlan_fill parameters */ #define HAVE_NDO_BRIDGE_GETLINK_FILTER_MASK_VLAN_FILL #endif /* >= 4.2.0 */ + +/* + * vlan_tx_tag_* macros renamed to skb_vlan_tag_* (Linux commit: df8a39defad4) + * For older kernels backported this commit, need to use renamed functions. + * This fix is specific to RedHat/CentOS kernels. + */ +#if (defined(RHEL_RELEASE_CODE) && \ + (RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(6, 8)) && \ + (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 34))) +#define vlan_tx_tag_get skb_vlan_tag_get +#define vlan_tx_tag_present skb_vlan_tag_present +#endif + #endif /* _KCOMPAT_H_ */
diff --git a/lib/librte_eal/linuxapp/kni/ethtool/ixgbe/kcompat.h b/lib/librte_eal/linuxapp/kni/ethtool/ixgbe/kcompat.h
index 6676d6b..6ce0239 100644
--- a/lib/librte_eal/linuxapp/kni/ethtool/ixgbe/kcompat.h
+++ b/lib/librte_eal/linuxapp/kni/ethtool/ixgbe/kcompat.h@@ -3140,4 +3140,16 @@ 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 */ +/* + * vlan_tx_tag_* macros renamed to skb_vlan_tag_* (Linux commit: df8a39defad4) + * For older kernels backported this commit, need to use renamed functions. + * This fix is specific to RedHat/CentOS kernels. + */ +#if (defined(RHEL_RELEASE_CODE) && \ + RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(6, 8) && \ + LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 34)) +#define vlan_tx_tag_get skb_vlan_tag_get +#define vlan_tx_tag_present skb_vlan_tag_present +#endif + #endif /* _KCOMPAT_H_ */
--
2.7.4