diff options
| author | Moni Shoua <monis@mellanox.com> | 2015-02-03 14:48:39 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-02-05 00:14:25 (GMT) |
| commit | c6215745b66a7fbeeda1a826f94dd864a2ccf654 (patch) | |
| tree | 93990685d6fdba0784d68bf5ca0dbf523c930bb4 /drivers/infiniband/hw/mlx4/mlx4_ib.h | |
| parent | 146d6e19832a72136089afca51e5229d1fd72dcd (diff) | |
| download | linux-c6215745b66a7fbeeda1a826f94dd864a2ccf654.tar.xz | |
IB/mlx4: Load balance ports in port aggregation mode
When the mlx4 IB (RoCE) device works in link aggregation mode, it
exposes a single port to upper layers. Therefore, applications always
set '1' in port_num attribute when modifying a QP or creating an address handle.
To make sure that a node uses all available ports the mlx4 driver will
override the port_num attribute with a round robin policy.
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/infiniband/hw/mlx4/mlx4_ib.h')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/mlx4_ib.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h index 2b49f9d..721540c 100644 --- a/drivers/infiniband/hw/mlx4/mlx4_ib.h +++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h @@ -534,6 +534,7 @@ struct mlx4_ib_dev { struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS]; /* lock when destroying qp1_proxy and getting netdev events */ struct mutex qp1_proxy_lock[MLX4_MAX_PORTS]; + u8 bond_next_port; }; struct ib_event_work { @@ -629,6 +630,13 @@ static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah) return container_of(ibah, struct mlx4_ib_ah, ibah); } +static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev) +{ + dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports; + + return dev->bond_next_port + 1; +} + int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev); void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev); |