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Subject[PATCH v6 10/18] xen/pvcalls: implement listen command
Date
Call inet_listen to implement the listen command.

Signed-off-by: Stefano Stabellini <stefano@aporeto.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
CC: boris.ostrovsky@oracle.com
CC: jgross@suse.com
---
drivers/xen/pvcalls-back.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)

diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c
index dae91fb..689b84f 100644
--- a/drivers/xen/pvcalls-back.c
+++ b/drivers/xen/pvcalls-back.c
@@ -359,6 +359,27 @@ 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;
}

--
1.9.1
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