From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leon Romanovsky Subject: [PATCH rdma-next V2 1/6] IB/core: Enable QP creation with a given source QP number Date: Thu, 8 Jun 2017 16:15:06 +0300 Message-ID: <20170608131511.21040-2-leon@kernel.org> References: <20170608131511.21040-1-leon@kernel.org> Return-path: In-Reply-To: <20170608131511.21040-1-leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Doug Ledford Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Yishai Hadas List-Id: linux-rdma@vger.kernel.org From: Yishai Hadas 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 Reviewed-by: Maor Gottlieb Signed-off-by: Leon Romanovsky --- include/rdma/ib_verbs.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index ba8314ec5768..d17b12d45533 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1059,6 +1059,7 @@ enum ib_qp_create_flags { IB_QP_CREATE_USE_GFP_NOIO = 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 { -- 2.12.2 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html