[dpdk-dev] [PATCH] kni: fix compilation issue on kernel 3.19

[Pablo de Lara]

Due to API changes in functions ndo_dflt_bridge_getlink
and igb_ndo_fdb_add in kernel 3.19, DPDK would not build.

This patch solves the problem, by checking the kernel version
and adding the necessary new parameters

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch at intel.com>
---
 lib/librte_eal/linuxapp/kni/ethtool/igb/igb_main.c |    7 +++++++
 lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h  |    3 +++
 2 files changed, 10 insertions(+), 0 deletions(-)

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 a802a02..24b147d 100644
--- a/lib/librte_eal/linuxapp/kni/ethtool/igb/igb_main.c
+++ b/lib/librte_eal/linuxapp/kni/ethtool/igb/igb_main.c
@@ -2103,6 +2103,9 @@ static int igb_set_features(struct net_device *netdev,
 static int igb_ndo_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
 			   struct net_device *dev,
 			   const unsigned char *addr,
+#ifdef HAVE_NDO_FDB_ADD_VID
+			   u16 vid,
+#endif
 			   u16 flags)
 #else
 static int igb_ndo_fdb_add(struct ndmsg *ndm,
@@ -2259,7 +2262,11 @@ static int igb_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
 	else
 		mode = BRIDGE_MODE_VEPA;
 
+#ifdef HAVE_NDO_FDB_ADD_VID
+	return ndo_dflt_bridge_getlink(skb, pid, seq, dev, mode, 0, 0);
+#else
 	return ndo_dflt_bridge_getlink(skb, pid, seq, dev, mode);
+#endif /* HAVE_NDO_FDB_ADD_VID */
 }
 #endif /* HAVE_BRIDGE_ATTRIBS */
 #endif /* NTF_SELF */
diff --git a/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h b/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
index 1213cc6..5c799e9 100644
--- a/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
+++ b/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
@@ -3881,4 +3881,7 @@ skb_set_hash(struct sk_buff *skb, __u32 hash, __always_unused int type)
 #define HAVE_VF_MIN_MAX_TXRATE 1
 #endif /* >= 3.16.0 */
 
+#if ( LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0) )
+#define HAVE_NDO_FDB_ADD_VID
+#endif /* >= 3.19.0 */
 #endif /* _KCOMPAT_H_ */
-- 
1.7.4.1