[PATCH 1/2] kni: fix igb_ndo_bridge_getlink to build with 4.1

[Miguel Bernal Marin <miguel.bernal.marin@linux.intel.com>]

ndo_bridge_getlink has changed in kernel release 4.1. It
adds new parameter which brakes compilation.

This patch add the properly checks to fix it.

Fixes: 46c264daaaa5 ("bridge/nl: remove wrong use of NLM_F_MULTI")

Signed-off-by: Miguel Bernal Marin <miguel.bernal.marin@linux.intel.com>
---
 lib/librte_eal/linuxapp/kni/ethtool/igb/igb_main.c | 10 ++++++++++
 lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h  |  5 +++++
 2 files changed, 15 insertions(+)

diff --git a/lib/librte_eal/linuxapp/kni/ethtool/igb/igb_main.c b/lib/librte_eal/linuxapp/kni/ethtool/igb/igb_main.c
index fa24d16..47198bb 100644
--- a/lib/librte_eal/linuxapp/kni/ethtool/igb/igb_main.c
+++ b/lib/librte_eal/linuxapp/kni/ethtool/igb/igb_main.c
@@ -2250,8 +2250,14 @@ static int igb_ndo_bridge_setlink(struct net_device *dev,
 }
 
 #ifdef HAVE_BRIDGE_FILTER
+#ifdef HAVE_NDO_BRIDGE_GETLINK_FILTER_MASK
+static int igb_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
+				  struct net_device *dev, u32 filter_mask,
+				  int nlflags)
+#else
 static int igb_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
 				  struct net_device *dev, u32 filter_mask)
+#endif /* HAVE_NDO_BRIDGE_GETLINK_FILTER_MASK */
 #else
 static int igb_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
 				  struct net_device *dev)
@@ -2269,7 +2275,11 @@ static int igb_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
 		mode = BRIDGE_MODE_VEPA;
 
 #ifdef HAVE_NDO_FDB_ADD_VID
+#ifdef HAVE_NDO_BRIDGE_GETLINK_FILTER_MASK
+	return ndo_dflt_bridge_getlink(skb, pid, seq, dev, mode, 0, 0, nlflags);
+#else
 	return ndo_dflt_bridge_getlink(skb, pid, seq, dev, mode, 0, 0);
+#endif /* HAVE_NDO_BRIDGE_GETLINK_FILTER_MASK */
 #else
 	return ndo_dflt_bridge_getlink(skb, pid, seq, dev, mode);
 #endif /* HAVE_NDO_FDB_ADD_VID */
diff --git a/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h b/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
index 44b9ebf..96d68a2 100644
--- a/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
+++ b/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
@@ -3891,4 +3891,9 @@ skb_set_hash(struct sk_buff *skb, __u32 hash, __always_unused int type)
 #define vlan_tx_tag_present skb_vlan_tag_present
 #define HAVE_NDO_BRIDGE_SET_DEL_LINK_FLAGS
 #endif /* 4.0.0 */
+
+#if ( LINUX_VERSION_CODE >= KERNEL_VERSION(4,1,0) )
+/* ndo_bridge_getlink adds new nlflags parameter */
+#define HAVE_NDO_BRIDGE_GETLINK_FILTER_MASK
+#endif /* >= 4.1.0 */
 #endif /* _KCOMPAT_H_ */
-- 
2.3.3