[dpdk-dev] [PATCH] kni: fix build with kernel 3.15

[Aaro Koskinen]

rxhash has been renamed to hash. In 3.14 and newer, we can use
skb_set_hash().

Signed-off-by: Aaro Koskinen <aaro.koskinen at nsn.com>
---
 lib/librte_eal/linuxapp/kni/ethtool/igb/igb_main.c |  3 ++-
 lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h  | 11 +++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

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 6933626..6388207 100644
--- a/lib/librte_eal/linuxapp/kni/ethtool/igb/igb_main.c
+++ b/lib/librte_eal/linuxapp/kni/ethtool/igb/igb_main.c
@@ -7366,7 +7366,8 @@ static inline void igb_rx_hash(struct igb_ring *ring,
 			       struct sk_buff *skb)
 {
 	if (netdev_ring(ring)->features & NETIF_F_RXHASH)
-		skb->rxhash = le32_to_cpu(rx_desc->wb.lower.hi_dword.rss);
+		skb_set_hash(skb, le32_to_cpu(rx_desc->wb.lower.hi_dword.rss),
+			     PKT_HASH_TYPE_L3);
 }
 
 #endif
diff --git a/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h b/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
index a404c9f..4b2c940 100644
--- a/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
+++ b/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
@@ -3831,4 +3831,15 @@ static inline struct sk_buff *__kc__vlan_hwaccel_put_tag(struct sk_buff *skb,
 #define HAVE_ENCAP_TSO_OFFLOAD
 #endif /* >= 3.10.0 */
 
+#if ( LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0) )
+#ifdef NETIF_F_RXHASH
+#define PKT_HASH_TYPE_L3 0
+static inline void
+skb_set_hash(struct sk_buff *skb, __u32 hash, __always_unused int type)
+{
+	skb->rxhash = hash;
+}
+#endif /* NETIF_F_RXHASH */
+#endif /* < 3.14.0 */
+
 #endif /* _KCOMPAT_H_ */
-- 
1.9.1