In general, all Netlink 64-bit data may be 4-byte aligned, due to
netlink header and attributes being 4-aligned.
To avoid unaligned access the data should be copied out of the netlink
attribute before access.
Signed-off-by: Jarno Rajahalme <jrajaha...@nicira.com>
---
include/linux/openvswitch.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/linux/openvswitch.h b/include/linux/openvswitch.h
index a88f6f1..603382e 100644
--- a/include/linux/openvswitch.h
+++ b/include/linux/openvswitch.h
@@ -109,6 +109,7 @@ enum ovs_datapath_attr {
#define OVS_DP_ATTR_MAX (__OVS_DP_ATTR_MAX - 1)
+/* All 64-bit integers within Netlink messages are 4-byte aligned only. */
struct ovs_dp_stats {
__u64 n_hit; /* Number of flow table matches. */
__u64 n_missed; /* Number of flow table misses. */
--
1.7.10.4
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