hw/mlx4/kernel_patches/core_0025_qp_create_flags.patch

   1 From a1d2b448a530a829c2ae3a896c0f2d3adc90a069 Mon Sep 17 00:00:00 2001
   2 From: Eli Cohen <eli@mellanox.co.il>
   3 Date: Tue, 15 Jan 2008 15:42:31 +0200
   4 Subject: [PATCH] Add creation flags to QPs
   5
   6 This will allow a kernel verbs consumer to create a QP
   7 and pass special flags to the hw layer. This patch also
   8 defines one such flag for LSO support.
   9
  10 Signed-off-by: Eli Cohen <eli@mellanox.co.il>
  11 ---
  12  drivers/infiniband/core/uverbs_cmd.c |    1 +
  13  include/rdma/ib_verbs.h              |    5 +++++
  14  2 files changed, 6 insertions(+), 0 deletions(-)
  15
  16 diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
  17 index 495c803..9e98cec 100644
  18 --- a/drivers/infiniband/core/uverbs_cmd.c
  19 +++ b/drivers/infiniband/core/uverbs_cmd.c
  20 @@ -1065,6 +1065,7 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file,
  21         attr.srq           = srq;
  22         attr.sq_sig_type   = cmd.sq_sig_all ? IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR;
  23         attr.qp_type       = cmd.qp_type;
  24 +       attr.create_flags  = 0;
  25
  26         attr.cap.max_send_wr     = cmd.max_send_wr;
  27         attr.cap.max_recv_wr     = cmd.max_recv_wr;
  28 diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
  29 index e35cc29..a4f6184 100644
  30 --- a/include/rdma/ib_verbs.h
  31 +++ b/include/rdma/ib_verbs.h
  32 @@ -494,6 +494,10 @@ enum ib_qp_type {
  33         IB_QPT_RAW_ETY
  34  };
  35
  36 +enum qp_create_flags {
  37 +       QP_CREATE_LSO = 1 << 0,
  38 +};
  39 +
  40  struct ib_qp_init_attr {
  41         void                  (*event_handler)(struct ib_event *, void *);
  42         void                   *qp_context;
  43 @@ -504,6 +508,7 @@ struct ib_qp_init_attr {
  44         enum ib_sig_type        sq_sig_type;
  45         enum ib_qp_type         qp_type;
  46         u8                      port_num; /* special QP types only */
  47 +       enum qp_create_flags    create_flags;
  48  };
  49
  50  enum ib_rnr_timeout {
  51 --
  52 1.5.3.8
  53