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net/mlx5_core: Extend struct mlx5_interface to support multiple protocols 

Preparation for ethernet driver.

Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Saeed Mahameed 2015-04-02 17:07:34 +03:00 committed by David S. Miller
parent ce0f750932
commit 64613d9499
3 changed files with 31 additions and 0 deletions
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1
drivers/infiniband/hw/mlx5/main.c
View File

@ -1362,6 +1362,7 @@ static struct mlx5_interface mlx5_ib_interface = {
.add = mlx5_ib_add,
.remove = mlx5_ib_remove,
.event = mlx5_ib_event,
.protocol = MLX5_INTERFACE_PROTOCOL_IB,
};
static int __init mlx5_ib_init(void)

22
drivers/net/ethernet/mellanox/mlx5/core/main.c
View File

@ -908,6 +908,28 @@ void mlx5_unregister_interface(struct mlx5_interface *intf)
}
EXPORT_SYMBOL(mlx5_unregister_interface);
void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol)
{
struct mlx5_priv *priv = &mdev->priv;
struct mlx5_device_context *dev_ctx;
unsigned long flags;
void *result = NULL;
spin_lock_irqsave(&priv->ctx_lock, flags);
list_for_each_entry(dev_ctx, &mdev->priv.ctx_list, list)
if ((dev_ctx->intf->protocol == protocol) &&
dev_ctx->intf->get_dev) {
result = dev_ctx->intf->get_dev(dev_ctx->context);
break;
}
spin_unlock_irqrestore(&priv->ctx_lock, flags);
return result;
}
EXPORT_SYMBOL(mlx5_get_protocol_dev);
static void mlx5_core_event(struct mlx5_core_dev *dev, enum mlx5_dev_event event,
unsigned long param)
{

8
include/linux/mlx5/driver.h
View File

@ -781,14 +781,22 @@ enum {
MAX_MR_CACHE_ENTRIES = 16,
};
enum {
MLX5_INTERFACE_PROTOCOL_IB = 0,
MLX5_INTERFACE_PROTOCOL_ETH = 1,
};
struct mlx5_interface {
void * (*add)(struct mlx5_core_dev *dev);
void (*remove)(struct mlx5_core_dev *dev, void *context);
void (*event)(struct mlx5_core_dev *dev, void *context,
enum mlx5_dev_event event, unsigned long param);
void * (*get_dev)(void *context);
int protocol;
struct list_head list;
};
void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
int mlx5_register_interface(struct mlx5_interface *intf);
void mlx5_unregister_interface(struct mlx5_interface *intf);