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IB/core: 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.

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 16:15:06 +03:00 committed by Doug Ledford
parent 9636a56fa8
commit 02984cc7b3
1 changed files with 2 additions and 0 deletions
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2
include/rdma/ib_verbs.h
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@ -1059,6 +1059,7 @@ enum ib_qp_create_flags {
/* FREE = 1 << 7, */
IB_QP_CREATE_SCATTER_FCS = 1 << 8,
IB_QP_CREATE_CVLAN_STRIPPING = 1 << 9,
IB_QP_CREATE_SOURCE_QPN = 1 << 10,
/* reserve bits 26-31 for low level drivers' internal use */
IB_QP_CREATE_RESERVED_START = 1 << 26,
IB_QP_CREATE_RESERVED_END = 1 << 31,
@ -1086,6 +1087,7 @@ struct ib_qp_init_attr {
*/
u8 port_num;
struct ib_rwq_ind_table *rwq_ind_tbl;
u32 source_qpn;
};
struct ib_qp_open_attr {