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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>
This commit is contained in:
Matan Barak 2015-12-23 14:56:52 +02:00 committed by Doug Ledford
parent c865f24628
commit 6020d7e500
2 changed files with 17 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/infiniband/core/core_priv.h
View File

@ -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_cleanup_one(struct ib_device *device);
void ib_cache_release_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 */ #endif /* _CORE_PRIV_H */

20
drivers/infiniband/core/roce_gid_mgmt.c
View File

@ -139,18 +139,6 @@ static enum bonding_slave_state is_eth_active_slave_of_bonding_rcu(struct net_de
return BONDING_SLAVE_STATE_NA; 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 | \ #define REQUIRED_BOND_STATES (BONDING_SLAVE_STATE_ACTIVE | \
BONDING_SLAVE_STATE_NA) BONDING_SLAVE_STATE_NA)
static int is_eth_port_of_netdev(struct ib_device *ib_dev, u8 port, 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) if (!real_dev)
real_dev = event_ndev; 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) & (is_eth_active_slave_of_bonding_rcu(rdma_ndev, real_dev) &
REQUIRED_BOND_STATES)) || REQUIRED_BOND_STATES)) ||
real_dev == rdma_ndev); real_dev == rdma_ndev);
@ -214,7 +202,7 @@ static int upper_device_filter(struct ib_device *ib_dev, u8 port,
return 1; return 1;
rcu_read_lock(); 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(); rcu_read_unlock();
return res; return res;
@ -244,7 +232,7 @@ static void enum_netdev_default_gids(struct ib_device *ib_dev,
rcu_read_lock(); rcu_read_lock();
if (!rdma_ndev || if (!rdma_ndev ||
((rdma_ndev != event_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, is_eth_active_slave_of_bonding_rcu(rdma_ndev,
netdev_master_upper_dev_get_rcu(rdma_ndev)) == netdev_master_upper_dev_get_rcu(rdma_ndev)) ==
BONDING_SLAVE_STATE_INACTIVE)) { BONDING_SLAVE_STATE_INACTIVE)) {
@ -274,7 +262,7 @@ static void bond_delete_netdev_default_gids(struct ib_device *ib_dev,
rcu_read_lock(); 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) == is_eth_active_slave_of_bonding_rcu(rdma_ndev, real_dev) ==
BONDING_SLAVE_STATE_INACTIVE) { BONDING_SLAVE_STATE_INACTIVE) {
unsigned long gid_type_mask; unsigned long gid_type_mask;