[dpdk-dev] [PATCH v2] kni:fix build failure as "ndo_change_mtu_rh74" not found in RHEL8

[Xiao Liang]

'ndo_change_mtu_rh74' was changed to 'ndo_change_mtu' in RHEL8.

Build error log:
/home/dpdk-18.11/kernel/linux/kni/compat.h:107:24: error: ‘const struct
net_device_ops’ has no member named ‘ndo_change_mtu_rh74’; did you mean
‘ndo_change_mtu’?
 #define ndo_change_mtu ndo_change_mtu_rh74

                        ^~~~~~~~~~~~~~~~~~~
Signed-off-by: Xiao Liang <xili...@redhat.com>
---
 kernel/linux/kni/compat.h              | 3 ++-
 kernel/linux/kni/ethtool/igb/kcompat.h | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/kernel/linux/kni/compat.h b/kernel/linux/kni/compat.h
index 5aadebbcd..bc81d0c8d 100644
--- a/kernel/linux/kni/compat.h
+++ b/kernel/linux/kni/compat.h
@@ -103,7 +103,8 @@
 #endif
 
 #if (defined(RHEL_RELEASE_CODE) && \
-       (RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(7, 5)))
+       (RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(7, 5)) && \
+       (RHEL_RELEASE_CODE < RHEL_RELEASE_VERSION(8, 0)))
 #define ndo_change_mtu ndo_change_mtu_rh74
 #endif
 
diff --git a/kernel/linux/kni/ethtool/igb/kcompat.h 
b/kernel/linux/kni/ethtool/igb/kcompat.h
index ae1b53093..2681be684 100644
--- a/kernel/linux/kni/ethtool/igb/kcompat.h
+++ b/kernel/linux/kni/ethtool/igb/kcompat.h
@@ -3930,7 +3930,8 @@ skb_set_hash(struct sk_buff *skb, __u32 hash, 
__always_unused int type)
 #endif
 
 #if (defined(RHEL_RELEASE_CODE) && \
-       (RHEL_RELEASE_VERSION(7, 5) <= RHEL_RELEASE_CODE))
+       (RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(7, 5)) && \
+       (RHEL_RELEASE_CODE < RHEL_RELEASE_VERSION(8, 0)))
 #define ndo_change_mtu ndo_change_mtu_rh74
 #endif
 
-- 
2.17.2