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mlx4: Sensing link type at device initialization 

When bringing the port up, performing a SENSE_PORT command
To try and check to which physical link type (IB or Ethernet) the physical
port is connected.
In case there is no valid link partner, the port will come up as its
supported default.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yevgeny Petrilin 2011-04-06 23:24:42 +00:00 committed by David S. Miller
parent 1b86a58f9d
commit ab6dc30da5
3 changed files with 9 additions and 2 deletions
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5
drivers/net/mlx4/main.c
View File

@ -944,6 +944,10 @@ static int mlx4_setup_hca(struct mlx4_dev *dev)
}
for (port = 1; port <= dev->caps.num_ports; port++) {
enum mlx4_port_type port_type = 0;
mlx4_SENSE_PORT(dev, port, &port_type);
if (port_type)
dev->caps.port_type[port] = port_type;
ib_port_default_caps = 0;
err = mlx4_get_port_ib_caps(dev, port, &ib_port_default_caps);
if (err)
@ -958,6 +962,7 @@ static int mlx4_setup_hca(struct mlx4_dev *dev)
goto err_mcg_table_free;
}
}
mlx4_set_port_mask(dev);
return 0;

2
drivers/net/mlx4/mlx4.h
View File

@ -431,6 +431,8 @@ void mlx4_srq_event(struct mlx4_dev *dev, u32 srqn, int event_type);
void mlx4_handle_catas_err(struct mlx4_dev *dev);
int mlx4_SENSE_PORT(struct mlx4_dev *dev, int port,
enum mlx4_port_type *type);
void mlx4_do_sense_ports(struct mlx4_dev *dev,
enum mlx4_port_type *stype,
enum mlx4_port_type *defaults);

4
drivers/net/mlx4/sense.c
View File

@ -38,8 +38,8 @@
#include "mlx4.h"
static int mlx4_SENSE_PORT(struct mlx4_dev *dev, int port,
enum mlx4_port_type *type)
int mlx4_SENSE_PORT(struct mlx4_dev *dev, int port,
enum mlx4_port_type *type)
{
u64 out_param;
int err = 0;