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authorOr Gerlitz <ogerlitz@mellanox.com>2016-07-14 10:32:43 +0300
committerDavid S. Miller <davem@davemloft.net>2016-07-14 23:34:29 +0300
commit8438884d4ab423161b974854ebb90c08219dd678 (patch)
tree5a250562028d02ca3611cb39fb57c2165c36ee1e
parent5c40348c69f33c4c14c051181088e8c71e38be7d (diff)
downloadlinux-8438884d4ab423161b974854ebb90c08219dd678.tar.xz
net/switchdev: Export the same parent ID service function
This helper serves to know if two switchdev port netdevices belong to the same HW ASIC, e.g to figure out if forwarding offload is possible between them. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/net/switchdev.h8
-rw-r--r--net/switchdev/switchdev.c5
2 files changed, 11 insertions, 2 deletions
diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index 985619a59323..9023e3e3be0b 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -227,6 +227,8 @@ void switchdev_port_fwd_mark_set(struct net_device *dev,
struct net_device *group_dev,
bool joining);
+bool switchdev_port_same_parent_id(struct net_device *a,
+ struct net_device *b);
#else
static inline void switchdev_deferred_process(void)
@@ -351,6 +353,12 @@ static inline void switchdev_port_fwd_mark_set(struct net_device *dev,
{
}
+static inline bool switchdev_port_same_parent_id(struct net_device *a,
+ struct net_device *b)
+{
+ return false;
+}
+
#endif
#endif /* _LINUX_SWITCHDEV_H_ */
diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c
index 59658b2e9cdf..a5fc9dd24aa9 100644
--- a/net/switchdev/switchdev.c
+++ b/net/switchdev/switchdev.c
@@ -1286,8 +1286,8 @@ void switchdev_fib_ipv4_abort(struct fib_info *fi)
}
EXPORT_SYMBOL_GPL(switchdev_fib_ipv4_abort);
-static bool switchdev_port_same_parent_id(struct net_device *a,
- struct net_device *b)
+bool switchdev_port_same_parent_id(struct net_device *a,
+ struct net_device *b)
{
struct switchdev_attr a_attr = {
.orig_dev = a,
@@ -1323,6 +1323,7 @@ static u32 switchdev_port_fwd_mark_get(struct net_device *dev,
return dev->ifindex;
}
+EXPORT_SYMBOL_GPL(switchdev_port_same_parent_id);
static void switchdev_port_fwd_mark_reset(struct net_device *group_dev,
u32 old_mark, u32 *reset_mark)