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Commit 8ce3f762 authored by Stefano Stabellini's avatar Stefano Stabellini Committed by Boris Ostrovsky
Browse files

xen/pvcalls: implement listen command 



Call inet_listen to implement the listen command.

Signed-off-by: default avatarStefano Stabellini <stefano@aporeto.com>
Reviewed-by: default avatarBoris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: default avatarJuergen Gross <jgross@suse.com>
CC: boris.ostrovsky@oracle.com
CC: jgross@suse.com
Signed-off-by: default avatarBoris Ostrovsky <boris.ostrovsky@oracle.com>
parent 331a63e6

drivers/xen/pvcalls-back.c

+21 −0
Original line number Diff line number Diff line
@@ -356,6 +356,27 @@ static int pvcalls_back_bind(struct xenbus_device *dev, 
static int pvcalls_back_listen(struct xenbus_device *dev,

			       struct xen_pvcalls_request *req)

{

	struct pvcalls_fedata *fedata;

	int ret = -EINVAL;

	struct sockpass_mapping *map;

	struct xen_pvcalls_response *rsp;



	fedata = dev_get_drvdata(&dev->dev);



	down(&fedata->socket_lock);

	map = radix_tree_lookup(&fedata->socketpass_mappings, req->u.listen.id);

	up(&fedata->socket_lock);

	if (map == NULL)

		goto out;



	ret = inet_listen(map->sock, req->u.listen.backlog);



out:

	rsp = RING_GET_RESPONSE(&fedata->ring, fedata->ring.rsp_prod_pvt++);

	rsp->req_id = req->req_id;

	rsp->cmd = req->cmd;

	rsp->u.listen.id = req->u.listen.id;

	rsp->ret = ret;

	return 0;

}