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net/mlx5e: IPoIB, Support for setting PKEY index to underlay QP

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Added a function to set PKEY index to IPoIB device driver using the
already present set_id function. PKEY index is attached to the QP
during state modification.

Signed-off-by: Alex Vesker <valex@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
This commit is contained in:
Alex Vesker 2017-09-13 12:17:50 +03:00 • committed by Saeed Mahameed
parent 980f91c3a6
commit da34f1a85b
2 changed files with 10 additions and 0 deletions
drivers/net/ethernet/mellanox/mlx5/core/ipoib
ipoib.cipoib.h

9
drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
View file

@ -123,6 +123,7 @@ static int mlx5i_init_underlay_qp(struct mlx5e_priv *priv)
context->flags = cpu_to_be32(MLX5_QP_PM_MIGRATED << 11);
context->pri_path.port = 1;
context->pri_path.pkey_index = cpu_to_be16(ipriv->pkey_index);
context->qkey = cpu_to_be32(IB_DEFAULT_Q_KEY);
ret = mlx5_core_qp_modify(mdev, MLX5_CMD_OP_RST2INIT_QP, 0, context, qp);
@ -529,6 +530,13 @@ static int mlx5i_xmit(struct net_device *dev, struct sk_buff *skb,
return mlx5i_sq_xmit(sq, skb, &mah->av, dqpn, ipriv->qkey);
}
static void mlx5i_set_pkey_index(struct net_device *netdev, int id)
{
struct mlx5i_priv *ipriv = netdev_priv(netdev);
ipriv->pkey_index = (u16)id;
}
static int mlx5i_check_required_hca_cap(struct mlx5_core_dev *mdev)
{
if (MLX5_CAP_GEN(mdev, port_type) != MLX5_CAP_PORT_TYPE_IB)
@ -593,6 +601,7 @@ struct net_device *mlx5_rdma_netdev_alloc(struct mlx5_core_dev *mdev,
rn->send = mlx5i_xmit;
rn->attach_mcast = mlx5i_attach_mcast;
rn->detach_mcast = mlx5i_detach_mcast;
rn->set_id = mlx5i_set_pkey_index;
return netdev;

1
drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h
View file

@ -50,6 +50,7 @@ struct mlx5i_priv {
struct rdma_netdev rn; /* keep this first */
struct mlx5_core_qp qp;
u32 qkey;
u16 pkey_index;
char *mlx5e_priv[0];
};