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Groups > linux.kernel > #1642038
| From | Stefano Stabellini <sstabellini@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 07/18] xen/pvcalls: implement socket command |
| Date | 2017-05-15 22:40 +0200 |
| Message-ID | <tHuWD-4t8-37@gated-at.bofh.it> (permalink) |
| References | <tHuWC-4t8-7@gated-at.bofh.it> <tHuWC-4t8-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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 <stefano@aporeto.com>
CC: boris.ostrovsky@oracle.com
CC: jgross@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
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[PATCH 01/18] xen: introduce the pvcalls interface header Stefano Stabellini <sstabellini@kernel.org> - 2017-05-15 22:40 +0200
[PATCH 14/18] xen/pvcalls: disconnect and module_exit Stefano Stabellini <sstabellini@kernel.org> - 2017-05-15 22:40 +0200
[PATCH 02/18] xen/pvcalls: introduce the pvcalls xenbus backend Stefano Stabellini <sstabellini@kernel.org> - 2017-05-15 22:40 +0200
[PATCH 15/18] xen/pvcalls: introduce the ioworker Stefano Stabellini <sstabellini@kernel.org> - 2017-05-15 22:40 +0200
[PATCH 09/18] xen/pvcalls: implement bind command Stefano Stabellini <sstabellini@kernel.org> - 2017-05-15 22:40 +0200
[PATCH 03/18] xen/pvcalls: initialize the module and register the xenbus backend Stefano Stabellini <sstabellini@kernel.org> - 2017-05-15 22:40 +0200
Re: [PATCH 03/18] xen/pvcalls: initialize the module and register the xenbus backend Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2017-05-16 03:50 +0200
Re: [PATCH 03/18] xen/pvcalls: initialize the module and register the xenbus backend Stefano Stabellini <sstabellini@kernel.org> - 2017-05-16 22:10 +0200
Re: [PATCH 03/18] xen/pvcalls: initialize the module and register the xenbus backend Stefano Stabellini <sstabellini@kernel.org> - 2017-05-16 22:30 +0200
Re: [PATCH 03/18] xen/pvcalls: initialize the module and register the xenbus backend Juergen Gross <jgross@suse.com> - 2017-05-16 08:50 +0200
Re: [PATCH 03/18] xen/pvcalls: initialize the module and register the xenbus backend Stefano Stabellini <sstabellini@kernel.org> - 2017-05-16 22:00 +0200
Re: [PATCH 03/18] xen/pvcalls: initialize the module and register the xenbus backend Juergen Gross <jgross@suse.com> - 2017-05-17 07:30 +0200
Re: [PATCH 03/18] xen/pvcalls: initialize the module and register the xenbus backend Stefano Stabellini <sstabellini@kernel.org> - 2017-05-18 23:20 +0200
Re: [PATCH 03/18] xen/pvcalls: initialize the module and register the xenbus backend Stefano Stabellini <sstabellini@kernel.org> - 2017-05-20 00:40 +0200
[PATCH 10/18] xen/pvcalls: implement listen command Stefano Stabellini <sstabellini@kernel.org> - 2017-05-15 22:40 +0200
[PATCH 13/18] xen/pvcalls: implement release command Stefano Stabellini <sstabellini@kernel.org> - 2017-05-15 22:40 +0200
[PATCH 06/18] xen/pvcalls: handle commands from the frontend Stefano Stabellini <sstabellini@kernel.org> - 2017-05-15 22:40 +0200
Re: [PATCH 06/18] xen/pvcalls: handle commands from the frontend Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2017-05-16 04:20 +0200
Re: [PATCH 06/18] xen/pvcalls: handle commands from the frontend Stefano Stabellini <sstabellini@kernel.org> - 2017-05-16 23:00 +0200
[PATCH 07/18] xen/pvcalls: implement socket command Stefano Stabellini <sstabellini@kernel.org> - 2017-05-15 22:40 +0200
Re: [PATCH 07/18] xen/pvcalls: implement socket command Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2017-05-16 04:30 +0200
Re: [PATCH 07/18] xen/pvcalls: implement socket command Stefano Stabellini <sstabellini@kernel.org> - 2017-05-16 22:50 +0200
[PATCH 12/18] xen/pvcalls: implement poll command Stefano Stabellini <sstabellini@kernel.org> - 2017-05-15 22:40 +0200
[PATCH 16/18] xen/pvcalls: implement read Stefano Stabellini <sstabellini@kernel.org> - 2017-05-15 22:40 +0200
[PATCH 08/18] xen/pvcalls: implement connect command Stefano Stabellini <sstabellini@kernel.org> - 2017-05-15 22:40 +0200
Re: [PATCH 08/18] xen/pvcalls: implement connect command Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2017-05-16 04:50 +0200
Re: [PATCH 08/18] xen/pvcalls: implement connect command Stefano Stabellini <sstabellini@kernel.org> - 2017-05-16 23:10 +0200
Re: [PATCH 08/18] xen/pvcalls: implement connect command Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2017-05-17 00:00 +0200
Re: [PATCH 08/18] xen/pvcalls: implement connect command Stefano Stabellini <sstabellini@kernel.org> - 2017-05-18 21:20 +0200
Re: [PATCH 08/18] xen/pvcalls: implement connect command Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2017-05-18 22:30 +0200
[PATCH 11/18] xen/pvcalls: implement accept command Stefano Stabellini <sstabellini@kernel.org> - 2017-05-15 22:40 +0200
[PATCH 05/18] xen/pvcalls: connect to a frontend Stefano Stabellini <sstabellini@kernel.org> - 2017-05-15 22:50 +0200
Re: [PATCH 05/18] xen/pvcalls: connect to a frontend Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2017-05-16 04:10 +0200
Re: [PATCH 05/18] xen/pvcalls: connect to a frontend Stefano Stabellini <sstabellini@kernel.org> - 2017-05-16 22:30 +0200
Re: [PATCH 05/18] xen/pvcalls: connect to a frontend Stefano Stabellini <sstabellini@kernel.org> - 2017-05-16 22:40 +0200
[PATCH 04/18] xen/pvcalls: xenbus state handling Stefano Stabellini <sstabellini@kernel.org> - 2017-05-15 22:50 +0200
Re: [PATCH 04/18] xen/pvcalls: xenbus state handling Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2017-05-16 03:50 +0200
Re: [PATCH 04/18] xen/pvcalls: xenbus state handling Stefano Stabellini <sstabellini@kernel.org> - 2017-05-16 22:20 +0200
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