From: Andy Zhou <az...@ovn.org>
Upstream commit:
commit 9602c01e57f7b868d748c2ba2aef0efa64b71ffc
Author: Andy Zhou <az...@ovn.org>
Date: Fri Nov 10 12:09:41 2017 -0800
openvswitch: export get_dp() API.
Later patches will invoke get_dp() outside of datapath.c. Export it.
Signed-off-by: Andy Zhou <az...@ovn.org>
Signed-off-by: David S. Miller <da...@davemloft.net>
Cc: Andy Zhou <az...@ovn.org>
Signed-off-by: Greg Rose <gvrose8...@gmail.com>
---
datapath/datapath.c | 29 -----------------------------
datapath/datapath.h | 31 +++++++++++++++++++++++++++++++
2 files changed, 31 insertions(+), 29 deletions(-)
diff --git a/datapath/datapath.c b/datapath/datapath.c
index ebe5d20..13b055a 100644
--- a/datapath/datapath.c
+++ b/datapath/datapath.c
@@ -145,35 +145,6 @@ static int queue_userspace_packet(struct datapath *dp,
struct sk_buff *,
const struct dp_upcall_info *,
uint32_t cutlen);
-/* Must be called with rcu_read_lock. */
-static struct datapath *get_dp_rcu(struct net *net, int dp_ifindex)
-{
- struct net_device *dev = dev_get_by_index_rcu(net, dp_ifindex);
-
- if (dev) {
- struct vport *vport = ovs_internal_dev_get_vport(dev);
- if (vport)
- return vport->dp;
- }
-
- return NULL;
-}
-
-/* The caller must hold either ovs_mutex or rcu_read_lock to keep the
- * returned dp pointer valid.
- */
-static inline struct datapath *get_dp(struct net *net, int dp_ifindex)
-{
- struct datapath *dp;
-
- WARN_ON_ONCE(!rcu_read_lock_held() && !lockdep_ovsl_is_held());
- rcu_read_lock();
- dp = get_dp_rcu(net, dp_ifindex);
- rcu_read_unlock();
-
- return dp;
-}
-
/* Must be called with rcu_read_lock or ovs_mutex. */
const char *ovs_dp_name(const struct datapath *dp)
{
diff --git a/datapath/datapath.h b/datapath/datapath.h
index 1c73fb4..7481d6d 100644
--- a/datapath/datapath.h
+++ b/datapath/datapath.h
@@ -31,6 +31,7 @@
#include "compat.h"
#include "flow.h"
#include "flow_table.h"
+#include "vport-internal_dev.h"
#define DP_MAX_PORTS USHRT_MAX
#define DP_VPORT_HASH_BUCKETS 1024
@@ -197,6 +198,36 @@ static inline struct vport *ovs_vport_ovsl(const struct
datapath *dp, int port_n
return ovs_lookup_vport(dp, port_no);
}
+/* Must be called with rcu_read_lock. */
+static inline struct datapath *get_dp_rcu(struct net *net, int dp_ifindex)
+{
+ struct net_device *dev = dev_get_by_index_rcu(net, dp_ifindex);
+
+ if (dev) {
+ struct vport *vport = ovs_internal_dev_get_vport(dev);
+
+ if (vport)
+ return vport->dp;
+ }
+
+ return NULL;
+}
+
+/* The caller must hold either ovs_mutex or rcu_read_lock to keep the
+ * returned dp pointer valid.
+ */
+static inline struct datapath *get_dp(struct net *net, int dp_ifindex)
+{
+ struct datapath *dp;
+
+ WARN_ON_ONCE(!rcu_read_lock_held() && !lockdep_ovsl_is_held());
+ rcu_read_lock();
+ dp = get_dp_rcu(net, dp_ifindex);
+ rcu_read_unlock();
+
+ return dp;
+}
+
extern struct notifier_block ovs_dp_device_notifier;
extern struct genl_family dp_vport_genl_family;
extern struct genl_multicast_group ovs_dp_vport_multicast_group;
--
1.8.3.1
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