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Date: Mon, 15 Jun 2015 11:47:09 +0300 From: Haggai Eran <haggaie@...lanox.com> To: Doug Ledford <dledford@...hat.com> Cc: linux-rdma@...r.kernel.org, netdev@...r.kernel.org, Liran Liss <liranl@...lanox.com>, Guy Shapiro <guysh@...lanox.com>, Shachar Raindel <raindel@...lanox.com>, Yotam Kenneth <yotamke@...lanox.com>, Jason Gunthorpe <jgunthorpe@...idianresearch.com>, Haggai Eran <haggaie@...lanox.com> Subject: [PATCH 04/11] IB/cm: Expose DGID in SIDR request events The destination GID can be used to uniquely resolve the request. Expose the GID in SIDR request events when it is available, so that the rdma_cm module can use that information. Signed-off-by: Haggai Eran <haggaie@...lanox.com> --- drivers/infiniband/core/cm.c | 7 +++++++ include/rdma/ib_cm.h | 2 ++ 2 files changed, 9 insertions(+) diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index c5f5f89e274a..46f99ec4080a 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -2983,6 +2983,13 @@ static void cm_format_sidr_req_event(struct cm_work *work, param->pkey = __be16_to_cpu(sidr_req_msg->pkey); param->listen_id = listen_id; param->service_id = sidr_req_msg->service_id; + if (work->mad_recv_wc->wc->wc_flags & IB_WC_GRH) { + param->grh = 1; + memcpy(¶m->dgid, &work->mad_recv_wc->recv_buf.grh->dgid, + sizeof(param->dgid)); + } else { + param->grh = 0; + } param->port = work->port->port_num; work->cm_event.private_data = &sidr_req_msg->private_data; } diff --git a/include/rdma/ib_cm.h b/include/rdma/ib_cm.h index 1b567bbc3ad4..3a5d70d79790 100644 --- a/include/rdma/ib_cm.h +++ b/include/rdma/ib_cm.h @@ -224,6 +224,8 @@ struct ib_cm_apr_event_param { struct ib_cm_sidr_req_event_param { struct ib_cm_id *listen_id; __be64 service_id; + union ib_gid dgid; + u8 grh:1; u8 port; u16 pkey; }; -- 1.7.11.2 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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