netdev - [PATCH v4 for-next 06/12] IB/cm: Expose service ID in request events

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Message-Id: <1431841868-28063-7-git-send-email-haggaie@mellanox.com>
Date:	Sun, 17 May 2015 08:51:02 +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>,
	Haggai Eran <haggaie@...lanox.com>
Subject: [PATCH v4 for-next 06/12] IB/cm: Expose service ID in request events

Expose the service ID on an incoming CM or SIDR request to the event
handler. This will allow the RDMA CM module to de-multiplex connection
requests based on the information encoded in the service ID.

Signed-off-by: Haggai Eran <haggaie@...lanox.com>
---
 drivers/infiniband/core/cm.c | 3 +++
 include/rdma/ib_cm.h         | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 4f936932dd54..04cdc753b763 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -1365,6 +1365,7 @@ static void cm_format_paths_from_req(struct cm_req_msg *req_msg,
 	primary_path->packet_life_time =
 		cm_req_get_primary_local_ack_timeout(req_msg);
 	primary_path->packet_life_time -= (primary_path->packet_life_time > 0);
+	primary_path->service_id = req_msg->service_id;
 
 	if (req_msg->alt_local_lid) {
 		memset(alt_path, 0, sizeof *alt_path);
@@ -1386,6 +1387,7 @@ static void cm_format_paths_from_req(struct cm_req_msg *req_msg,
 		alt_path->packet_life_time =
 			cm_req_get_alt_local_ack_timeout(req_msg);
 		alt_path->packet_life_time -= (alt_path->packet_life_time > 0);
+		alt_path->service_id = req_msg->service_id;
 	}
 }
 
@@ -3089,6 +3091,7 @@ static void cm_format_sidr_req_event(struct cm_work *work,
 	param = &work->cm_event.param.sidr_req_rcvd;
 	param->pkey = __be16_to_cpu(sidr_req_msg->pkey);
 	param->listen_id = listen_id;
+	param->service_id = sidr_req_msg->service_id;
 	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 59f534b5f091..6655016b3855 100644
--- a/include/rdma/ib_cm.h
+++ b/include/rdma/ib_cm.h
@@ -223,6 +223,7 @@ struct ib_cm_apr_event_param {
 
 struct ib_cm_sidr_req_event_param {
 	struct ib_cm_id		*listen_id;
+	__be64			service_id;
 	u8			port;
 	u16			pkey;
 };
-- 
1.7.11.2

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