Just reply with success to the other end for now. Delay the allocation
of the actual socket to bind and/or connect.
Signed-off-by: Stefano Stabellini <stef...@aporeto.com>
CC: boris.ostrov...@oracle.com
CC: jgr...@suse.com
---
drivers/xen/pvcalls-back.c | 31 ++++++++++++++++++++++++++++++-
1 file changed, 30 insertions(+), 1 deletion(-)
diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c
index 2b2a49a..2eae096 100644
--- a/drivers/xen/pvcalls-back.c
+++ b/drivers/xen/pvcalls-back.c
@@ -12,12 +12,17 @@
* GNU General Public License for more details.
*/
+#include <linux/inet.h>
#include <linux/kthread.h>
#include <linux/list.h>
#include <linux/radix-tree.h>
#include <linux/module.h>
#include <linux/rwsem.h>
#include <linux/wait.h>
+#include <net/sock.h>
+#include <net/inet_common.h>
+#include <net/inet_connection_sock.h>
+#include <net/request_sock.h>
#include <xen/events.h>
#include <xen/grant_table.h>
@@ -65,7 +70,31 @@ static void pvcalls_back_ioworker(struct work_struct *work)
static int pvcalls_back_socket(struct xenbus_device *dev,
struct xen_pvcalls_request *req)
{
- return 0;
+ struct pvcalls_back_priv *priv;
+ int ret;
+ struct xen_pvcalls_response *rsp;
+
+ if (dev == NULL)
+ return 0;
+ priv = dev_get_drvdata(&dev->dev);
+
+ if (req->u.socket.domain != AF_INET ||
+ req->u.socket.type != SOCK_STREAM ||
+ (req->u.socket.protocol != 0 &&
+ req->u.socket.protocol != AF_INET))
+ ret = -EAFNOSUPPORT;
+ else
+ ret = 0;
+
+ /* leave the actual socket allocation for later */
+
+ rsp = RING_GET_RESPONSE(&priv->ring, priv->ring.rsp_prod_pvt++);
+ rsp->req_id = req->req_id;
+ rsp->cmd = req->cmd;
+ rsp->u.socket.id = req->u.socket.id;
+ rsp->ret = ret;
+
+ return 1;
}
static int pvcalls_back_connect(struct xenbus_device *dev,
--
1.9.1
