[PATCH 04/11] IB/cm: Expose DGID in SIDR request events
From: Haggai Eran <hidden>
Date: 2015-06-15 08:47:09
Also in:
linux-rdma
Subsystem:
infiniband subsystem, the rest · Maintainers:
Jason Gunthorpe, Leon Romanovsky, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2015-06-18 · Re: [PATCH 04/11] IB/cm: Expose DGID in SIDR request events · Haggai Eran <hidden>
- 2015-06-17 · Re: [PATCH 04/11] IB/cm: Expose DGID in SIDR request events · Jason Gunthorpe <hidden>
- 2015-06-17 · Re: [PATCH 04/11] IB/cm: Expose DGID in SIDR request events · Haggai Eran <hidden>
- 2015-06-16 · RE: [PATCH 04/11] IB/cm: Expose DGID in SIDR request events · Hefty, Sean <hidden>
- 2015-06-16 · Re: [PATCH 04/11] IB/cm: Expose DGID in SIDR request events · Haggai Eran <hidden>
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-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org> --- 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
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