hw/mlx4/kernel_patches/mlx4_0045_qp_flags.patch

   1 mlx4: Add creation flags to mlx4 QPs
   2
   3 The core passes creation flags and mlx4 saves them for later
   4 reference.
   5
   6 rev 2:
   7 changed flags field to int
   8 moved setting flags to qp_create_common.
   9
  10 Signed-off-by: Eli Cohen <eli@mellanox.co.il>
  11 Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
  12
  13 ---
  14
  15 Index: ofed_kernel/drivers/infiniband/hw/mlx4/mlx4_ib.h
  16 ===================================================================
  17 --- ofed_kernel.orig/drivers/infiniband/hw/mlx4/mlx4_ib.h       2008-01-23 13:15:31.282457000 +0200
  18 +++ ofed_kernel/drivers/infiniband/hw/mlx4/mlx4_ib.h    2008-01-23 15:58:48.546092000 +0200
  19 @@ -110,6 +110,10 @@ struct mlx4_ib_wq {
  20         unsigned                tail;
  21  };
  22
  23 +enum qp_flags {
  24 +       MLX4_QP_LSO = 1 << 0
  25 +};
  26 +
  27  struct mlx4_ib_qp {
  28         struct ib_qp            ibqp;
  29         struct mlx4_qp          mqp;
  30 @@ -133,6 +137,7 @@ struct mlx4_ib_qp {
  31         u8                      resp_depth;
  32         u8                      sq_no_prefetch;
  33         u8                      state;
  34 +       int                     flags;
  35  };
  36
  37  struct mlx4_ib_srq {
  38 Index: ofed_kernel/drivers/infiniband/hw/mlx4/qp.c
  39 ===================================================================
  40 --- ofed_kernel.orig/drivers/infiniband/hw/mlx4/qp.c    2008-01-23 13:15:31.287456000 +0200
  41 +++ ofed_kernel/drivers/infiniband/hw/mlx4/qp.c 2008-01-23 16:00:38.734097000 +0200
  42 @@ -238,9 +238,13 @@ static int set_rq_size(struct mlx4_ib_de
  43         return 0;
  44  }
  45
  46 -static int set_kernel_sq_size(struct mlx4_ib_dev *dev, struct ib_qp_cap *cap,
  47 -                             enum ib_qp_type type, struct mlx4_ib_qp *qp)
  48 +static int set_kernel_sq_size(struct mlx4_ib_dev *dev,
  49 +                             struct ib_qp_init_attr *init_attr,
  50 +                             struct mlx4_ib_qp *qp)
  51  {
  52 +       struct ib_qp_cap *cap = &init_attr->cap;
  53 +       enum ib_qp_type type = init_attr->qp_type;
  54 +
  55         /* Sanity check SQ size before proceeding */
  56         if (cap->max_send_wr     > dev->dev->caps.max_wqes  ||
  57             cap->max_send_sge    > dev->dev->caps.max_sq_sg ||
  58 @@ -328,6 +332,9 @@ static int create_qp_common(struct mlx4_
  59         qp->sq.head         = 0;
  60         qp->sq.tail         = 0;
  61
  62 +       if (init_attr->create_flags & QP_CREATE_LSO)
  63 +               qp->flags |= MLX4_QP_LSO;
  64 +
  65         err = set_rq_size(dev, &init_attr->cap, !!pd->uobject, !!init_attr->srq, qp);
  66         if (err)
  67                 goto err;
  68 @@ -371,7 +378,7 @@ static int create_qp_common(struct mlx4_
  69         } else {
  70                 qp->sq_no_prefetch = 0;
  71
  72 -               err = set_kernel_sq_size(dev, &init_attr->cap, init_attr->qp_type, qp);
  73 +               err = set_kernel_sq_size(dev, init_attr, qp);
  74                 if (err)
  75                         goto err;
  76