Signed-off-by: Pravin B Shelar <pshe...@nicira.com>
---
datapath/datapath.c | 4 ++--
datapath/linux/compat/include/linux/etherdevice.h | 2 +-
datapath/linux/compat/include/linux/genetlink.h | 5 ++---
datapath/linux/compat/include/linux/if_vlan.h | 4 ++--
datapath/linux/compat/include/net/dst.h | 9 +++++++++
datapath/tunnel.c | 2 +-
6 files changed, 17 insertions(+), 9 deletions(-)
diff --git a/datapath/datapath.c b/datapath/datapath.c
index d64fc32..401e774 100644
--- a/datapath/datapath.c
+++ b/datapath/datapath.c
@@ -62,8 +62,8 @@
#include "vport-internal_dev.h"
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18) || \
- LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)
-#error Kernels before 2.6.18 or after 3.2 are not supported by this version of
Open vSwitch.
+ LINUX_VERSION_CODE > KERNEL_VERSION(3,3,0)
+#error Kernels before 2.6.18 or after 3.3 are not supported by this version of
Open vSwitch.
#endif
#define REHASH_FLOW_INTERVAL (10 * 60 * HZ)
diff --git a/datapath/linux/compat/include/linux/etherdevice.h
b/datapath/linux/compat/include/linux/etherdevice.h
index 7a8178e..5391d13 100644
--- a/datapath/linux/compat/include/linux/etherdevice.h
+++ b/datapath/linux/compat/include/linux/etherdevice.h
@@ -9,7 +9,7 @@ static inline void eth_hw_addr_random(struct net_device *dev)
{
random_ether_addr(dev->dev_addr);
}
-#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0)
static inline void eth_hw_addr_random(struct net_device *dev)
{
dev_hw_addr_random(dev, dev->dev_addr);
diff --git a/datapath/linux/compat/include/linux/genetlink.h
b/datapath/linux/compat/include/linux/genetlink.h
index f7b96d9..383f606 100644
--- a/datapath/linux/compat/include/linux/genetlink.h
+++ b/datapath/linux/compat/include/linux/genetlink.h
@@ -4,15 +4,14 @@
#include_next <linux/genetlink.h>
#ifdef CONFIG_PROVE_LOCKING
-/* No version of the kernel has this function, but our locking scheme depends
- * on genl_mutex so for clarity we use it where appropriate. */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
static inline int lockdep_genl_is_held(void)
{
return 1;
}
#endif
+#endif
-/* This is also not upstream yet. */
#ifndef genl_dereference
#include <linux/rcupdate.h>
diff --git a/datapath/linux/compat/include/linux/if_vlan.h
b/datapath/linux/compat/include/linux/if_vlan.h
index 326abb2..416ce0e 100644
--- a/datapath/linux/compat/include/linux/if_vlan.h
+++ b/datapath/linux/compat/include/linux/if_vlan.h
@@ -54,8 +54,7 @@ static inline struct sk_buff *__vlan_put_tag(struct sk_buff
*skb, u16 vlan_tci)
#define VLAN_TAG_PRESENT VLAN_CFI_MASK
#endif
-/* This function is not exported from kernel. OVS Upstreaming patch will
- * fix that. */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
static inline void vlan_set_encap_proto(struct sk_buff *skb, struct vlan_hdr
*vhdr)
{
__be16 proto;
@@ -88,4 +87,5 @@ static inline void vlan_set_encap_proto(struct sk_buff *skb,
struct vlan_hdr *vh
*/
skb->protocol = htons(ETH_P_802_2);
}
+#endif
#endif /* linux/if_vlan.h wrapper */
diff --git a/datapath/linux/compat/include/net/dst.h
b/datapath/linux/compat/include/net/dst.h
index f481a9d..6b1385d 100644
--- a/datapath/linux/compat/include/net/dst.h
+++ b/datapath/linux/compat/include/net/dst.h
@@ -3,6 +3,15 @@
#include_next <net/dst.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0)
+static inline struct neighbour *dst_get_neighbour_noref(struct dst_entry *dst)
+{
+ return rcu_dereference(dst->_neighbour);
+}
+#endif
+#endif
+
#ifndef HAVE_SKB_DST_ACCESSOR_FUNCS
static inline void skb_dst_drop(struct sk_buff *skb)
diff --git a/datapath/tunnel.c b/datapath/tunnel.c
index cdbf94a..ea97e39 100644
--- a/datapath/tunnel.c
+++ b/datapath/tunnel.c
@@ -111,7 +111,7 @@ static unsigned int multicast_ports __read_mostly;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)
static struct hh_cache *rt_hh(struct rtable *rt)
{
- struct neighbour *neigh = dst_get_neighbour(&rt->dst);
+ struct neighbour *neigh = dst_get_neighbour_noref(&rt->dst);
if (!neigh || !(neigh->nud_state & NUD_CONNECTED) ||
!neigh->hh.hh_len)
return NULL;
--
1.7.1
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