IB/core: Move rdma_is_upper_dev_rcu to header file

In order to validate the route, we need an easy way to check if a
net-device belongs to our RDMA device. Move this helper function
to a header file in order to make this check easier.

Signed-off-by: Matan Barak <matanb@mellanox.com>
Reviewed-by: Haggai Eran <haggaie@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h
index d531f91..3b250a2 100644 (file)
--- a/drivers/infiniband/core/core_priv.h
+++ b/drivers/infiniband/core/core_priv.h
@@ -96,4 +96,17 @@ int ib_cache_setup_one(struct ib_device *device);
 void ib_cache_cleanup_one(struct ib_device *device);
 void ib_cache_release_one(struct ib_device *device);
 
+static inline bool rdma_is_upper_dev_rcu(struct net_device *dev,
+                                        struct net_device *upper)
+{
+       struct net_device *_upper = NULL;
+       struct list_head *iter;
+
+       netdev_for_each_all_upper_dev_rcu(dev, _upper, iter)
+               if (_upper == upper)
+                       break;
+
+       return _upper == upper;
+}
+
 #endif /* _CORE_PRIV_H */

diff --git a/drivers/infiniband/core/roce_gid_mgmt.c b/drivers/infiniband/core/roce_gid_mgmt.c
index 1e3673f..06556c3 100644 (file)
--- a/drivers/infiniband/core/roce_gid_mgmt.c
+++ b/drivers/infiniband/core/roce_gid_mgmt.c
@@ -139,18 +139,6 @@ static enum bonding_slave_state is_eth_active_slave_of_bonding_rcu(struct net_de
        return BONDING_SLAVE_STATE_NA;
 }
 
-static bool is_upper_dev_rcu(struct net_device *dev, struct net_device *upper)
-{
-       struct net_device *_upper = NULL;
-       struct list_head *iter;
-
-       netdev_for_each_all_upper_dev_rcu(dev, _upper, iter)
-               if (_upper == upper)
-                       break;
-
-       return _upper == upper;
-}
-
 #define REQUIRED_BOND_STATES           (BONDING_SLAVE_STATE_ACTIVE |   \
                                         BONDING_SLAVE_STATE_NA)
 static int is_eth_port_of_netdev(struct ib_device *ib_dev, u8 port,
@@ -168,7 +156,7 @@ static int is_eth_port_of_netdev(struct ib_device *ib_dev, u8 port,
        if (!real_dev)
                real_dev = event_ndev;
 
-       res = ((is_upper_dev_rcu(rdma_ndev, event_ndev) &&
+       res = ((rdma_is_upper_dev_rcu(rdma_ndev, event_ndev) &&
               (is_eth_active_slave_of_bonding_rcu(rdma_ndev, real_dev) &
                REQUIRED_BOND_STATES)) ||
               real_dev == rdma_ndev);
@@ -214,7 +202,7 @@ static int upper_device_filter(struct ib_device *ib_dev, u8 port,
                return 1;
 
        rcu_read_lock();
-       res = is_upper_dev_rcu(rdma_ndev, event_ndev);
+       res = rdma_is_upper_dev_rcu(rdma_ndev, event_ndev);
        rcu_read_unlock();
 
        return res;
@@ -244,7 +232,7 @@ static void enum_netdev_default_gids(struct ib_device *ib_dev,
        rcu_read_lock();
        if (!rdma_ndev ||
            ((rdma_ndev != event_ndev &&
-             !is_upper_dev_rcu(rdma_ndev, event_ndev)) ||
+             !rdma_is_upper_dev_rcu(rdma_ndev, event_ndev)) ||
             is_eth_active_slave_of_bonding_rcu(rdma_ndev,
                                                netdev_master_upper_dev_get_rcu(rdma_ndev)) ==
             BONDING_SLAVE_STATE_INACTIVE)) {
@@ -274,7 +262,7 @@ static void bond_delete_netdev_default_gids(struct ib_device *ib_dev,
 
        rcu_read_lock();
 
-       if (is_upper_dev_rcu(rdma_ndev, event_ndev) &&
+       if (rdma_is_upper_dev_rcu(rdma_ndev, event_ndev) &&
            is_eth_active_slave_of_bonding_rcu(rdma_ndev, real_dev) ==
            BONDING_SLAVE_STATE_INACTIVE) {
                unsigned long gid_type_mask;