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IB/uverbs: Enable QP creation with a given source QP number

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Enable QP creation with a given source QP number, the created QP will
use the source QPN as its wire QP number.

To create such a QP, root privileges (i.e. CAP_NET_RAW) are required
from the user application.

This comes as a pre-patch for downstream patches in this series to
allow user space applications to accelerate traffic which is typically
handled by IPoIB ULP.

Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Yishai Hadas
2017-06-08 16:15:07 +03:00
committed by Doug Ledford
parent 02984cc7b3
commit 2dee0e5458
2 changed files with 15 additions and 4 deletions
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2
include/uapi/rdma/ib_user_verbs.h
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@@ -578,7 +578,7 @@ struct ib_uverbs_ex_create_qp {
__u32 comp_mask;
__u32 create_flags;
__u32 rwq_ind_tbl_handle;
__u32 reserved1;
__u32 source_qpn;
};
struct ib_uverbs_open_qp {