Commit f215a3d2 authored by Steve Wise's avatar Steve Wise Committed by Jason Gunthorpe
Browse files

iw_cxgb4: Add ib_device->get_netdev support 



This is useful to rdma ULPs.

Signed-off-by: default avatarSteve Wise <swise@opengridcomputing.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@mellanox.com>
parent 114cc9c4

drivers/infiniband/hw/cxgb4/provider.c

+19 −0
Original line number Diff line number Diff line
@@ -533,6 +533,24 @@ static void get_dev_fw_str(struct ib_device *dev, char *str) 
		 FW_HDR_FW_VER_BUILD_G(c4iw_dev->rdev.lldi.fw_vers));

}



static struct net_device *get_netdev(struct ib_device *dev, u8 port)

{

	struct c4iw_dev *c4iw_dev = container_of(dev, struct c4iw_dev, ibdev);

	struct c4iw_rdev *rdev = &c4iw_dev->rdev;

	struct net_device *ndev;



	if (!port || port > rdev->lldi.nports)

		return NULL;



	rcu_read_lock();

	ndev = rdev->lldi.ports[port - 1];

	if (ndev)

		dev_hold(ndev);

	rcu_read_unlock();



	return ndev;

}



void c4iw_register_device(struct work_struct *work)

{

	int ret;
@@ -611,6 +629,7 @@ void c4iw_register_device(struct work_struct *work) 
	dev->ibdev.uverbs_abi_ver = C4IW_UVERBS_ABI_VERSION;

	dev->ibdev.get_port_immutable = c4iw_port_immutable;

	dev->ibdev.get_dev_fw_str = get_dev_fw_str;

	dev->ibdev.get_netdev = get_netdev;



	dev->ibdev.iwcm = kmalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL);

	if (!dev->ibdev.iwcm) {