netdev - [PATCH net-next 1/4] rdma/device: export ib_device_get

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Message-ID: <20240809083148.1989912-2-liujian56@huawei.com>
Date: Fri, 9 Aug 2024 16:31:45 +0800
From: Liu Jian <liujian56@...wei.com>
To: <linux-rdma@...r.kernel.org>, <linux-s390@...r.kernel.org>,
	<netdev@...r.kernel.org>
CC: <jgg@...pe.ca>, <leon@...nel.org>, <zyjzyj2000@...il.com>,
	<wenjia@...ux.ibm.com>, <jaka@...ux.ibm.com>, <alibuda@...ux.alibaba.com>,
	<tonylu@...ux.alibaba.com>, <guwen@...ux.alibaba.com>, <davem@...emloft.net>,
	<edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
	<liujian56@...wei.com>
Subject: [PATCH net-next 1/4] rdma/device: export ib_device_get_netdev()

Many drivers do not implement the ib_device_ops.get_netdev callback
function; for them, use the generic helper function ib_device_get_netdev()
enough. Therefore, this patch exports ib_device_get_netdev() helper allows
it to be used in other modules.

Signed-off-by: Liu Jian <liujian56@...wei.com>
---
 drivers/infiniband/core/core_priv.h | 3 ---
 drivers/infiniband/core/device.c    | 1 +
 include/rdma/ib_verbs.h             | 2 ++
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h
index dd7715ba9fd1..693b3ded69e1 100644
--- a/drivers/infiniband/core/core_priv.h
+++ b/drivers/infiniband/core/core_priv.h
@@ -87,9 +87,6 @@ typedef void (*roce_netdev_callback)(struct ib_device *device, u32 port,
 typedef bool (*roce_netdev_filter)(struct ib_device *device, u32 port,
 				   struct net_device *idev, void *cookie);
 
-struct net_device *ib_device_get_netdev(struct ib_device *ib_dev,
-					u32 port);
-
 void ib_enum_roce_netdev(struct ib_device *ib_dev,
 			 roce_netdev_filter filter,
 			 void *filter_cookie,
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index 0290aca18d26..d25923285447 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -2263,6 +2263,7 @@ struct net_device *ib_device_get_netdev(struct ib_device *ib_dev,
 
 	return res;
 }
+EXPORT_SYMBOL(ib_device_get_netdev);
 
 /**
  * ib_device_get_by_netdev - Find an IB device associated with a netdev
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 6c5712ae559d..0fe252c32d60 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -4453,6 +4453,8 @@ struct net_device *ib_get_net_dev_by_params(struct ib_device *dev, u32 port,
 					    const struct sockaddr *addr);
 int ib_device_set_netdev(struct ib_device *ib_dev, struct net_device *ndev,
 			 unsigned int port);
+struct net_device *ib_device_get_netdev(struct ib_device *ib_dev,
+					u32 port);
 struct ib_wq *ib_create_wq(struct ib_pd *pd,
 			   struct ib_wq_init_attr *init_attr);
 int ib_destroy_wq_user(struct ib_wq *wq, struct ib_udata *udata);
-- 
2.34.1