From: Stefano Garzarella <sgarzare@redhat.com>
To: netdev@vger.kernel.org
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
kvm@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jason Wang <jasowang@redhat.com>,
"David S. Miller" <davem@davemloft.net>,
Dexuan Cui <decui@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Jorgen Hansen <jhansen@vmware.com>,
Sasha Levin <sashal@kernel.org>,
linux-kernel@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
Stefan Hajnoczi <stefanha@redhat.com>,
linux-hyperv@vger.kernel.org,
"K. Y. Srinivasan" <kys@microsoft.com>,
Stephen Hemminger <sthemmin@microsoft.com>,
virtualization@lists.linux-foundation.org
Subject: [PATCH net-next 06/14] vsock: add 'struct vsock_sock *' param to vsock_core_get_transport()
Date: Wed, 23 Oct 2019 11:55:46 +0200 [thread overview]
Message-ID: <20191023095554.11340-7-sgarzare@redhat.com> (raw)
In-Reply-To: <20191023095554.11340-1-sgarzare@redhat.com>
Since now the 'struct vsock_sock' object contains a pointer to
the transport, this patch adds a parameter to the
vsock_core_get_transport() to return the right transport
assigned to the socket.
This patch modifies also the virtio_transport_get_ops(), that
uses the vsock_core_get_transport(), adding the
'struct vsock_sock *' parameter.
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
---
RFC -> v1:
- Removed comment about protecting transport_single (Stefan)
---
include/net/af_vsock.h | 2 +-
net/vmw_vsock/af_vsock.c | 7 ++-----
net/vmw_vsock/virtio_transport_common.c | 9 +++++----
3 files changed, 8 insertions(+), 10 deletions(-)
diff --git a/include/net/af_vsock.h b/include/net/af_vsock.h
index a5e1e134261d..2ca67d048de4 100644
--- a/include/net/af_vsock.h
+++ b/include/net/af_vsock.h
@@ -166,7 +166,7 @@ static inline int vsock_core_init(const struct vsock_transport *t)
void vsock_core_exit(void);
/* The transport may downcast this to access transport-specific functions */
-const struct vsock_transport *vsock_core_get_transport(void);
+const struct vsock_transport *vsock_core_get_transport(struct vsock_sock *vsk);
/**** UTILS ****/
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index c3a14f853eb0..eaea159006c8 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -2001,12 +2001,9 @@ void vsock_core_exit(void)
}
EXPORT_SYMBOL_GPL(vsock_core_exit);
-const struct vsock_transport *vsock_core_get_transport(void)
+const struct vsock_transport *vsock_core_get_transport(struct vsock_sock *vsk)
{
- /* vsock_register_mutex not taken since only the transport uses this
- * function and only while registered.
- */
- return transport_single;
+ return vsk->transport;
}
EXPORT_SYMBOL_GPL(vsock_core_get_transport);
diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
index 9763394f7a61..37a1c7e7c7fe 100644
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c
@@ -29,9 +29,10 @@
/* Threshold for detecting small packets to copy */
#define GOOD_COPY_LEN 128
-static const struct virtio_transport *virtio_transport_get_ops(void)
+static const struct virtio_transport *
+virtio_transport_get_ops(struct vsock_sock *vsk)
{
- const struct vsock_transport *t = vsock_core_get_transport();
+ const struct vsock_transport *t = vsock_core_get_transport(vsk);
return container_of(t, struct virtio_transport, transport);
}
@@ -168,7 +169,7 @@ static int virtio_transport_send_pkt_info(struct vsock_sock *vsk,
struct virtio_vsock_pkt *pkt;
u32 pkt_len = info->pkt_len;
- src_cid = virtio_transport_get_ops()->transport.get_local_cid();
+ src_cid = virtio_transport_get_ops(vsk)->transport.get_local_cid();
src_port = vsk->local_addr.svm_port;
if (!info->remote_cid) {
dst_cid = vsk->remote_addr.svm_cid;
@@ -201,7 +202,7 @@ static int virtio_transport_send_pkt_info(struct vsock_sock *vsk,
virtio_transport_inc_tx_pkt(vvs, pkt);
- return virtio_transport_get_ops()->send_pkt(pkt);
+ return virtio_transport_get_ops(vsk)->send_pkt(pkt);
}
static bool virtio_transport_inc_rx_pkt(struct virtio_vsock_sock *vvs,
--
2.21.0
next prev parent reply other threads:[~2019-10-23 9:57 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-23 9:55 [PATCH net-next 00/14] vsock: add multi-transports support Stefano Garzarella
2019-10-23 9:55 ` [PATCH net-next 01/14] vsock/vmci: remove unused VSOCK_DEFAULT_CONNECT_TIMEOUT Stefano Garzarella
2019-10-30 14:54 ` Jorgen Hansen
2019-10-23 9:55 ` [PATCH net-next 02/14] vsock: remove vm_sockets_get_local_cid() Stefano Garzarella
2019-10-30 14:55 ` Jorgen Hansen
2019-10-23 9:55 ` [PATCH net-next 03/14] vsock: remove include/linux/vm_sockets.h file Stefano Garzarella
2019-10-30 14:57 ` Jorgen Hansen
2019-10-23 9:55 ` [PATCH net-next 04/14] vsock: add 'transport' member in the struct vsock_sock Stefano Garzarella
2019-10-30 14:57 ` Jorgen Hansen
2019-10-23 9:55 ` [PATCH net-next 05/14] vsock/virtio: add transport parameter to the virtio_transport_reset_no_sock() Stefano Garzarella
2019-10-23 9:55 ` Stefano Garzarella [this message]
2019-10-30 15:01 ` [PATCH net-next 06/14] vsock: add 'struct vsock_sock *' param to vsock_core_get_transport() Jorgen Hansen
2019-10-23 9:55 ` [PATCH net-next 07/14] vsock: handle buffer_size sockopts in the core Stefano Garzarella
2019-10-27 8:08 ` Stefan Hajnoczi
2019-10-30 15:08 ` Jorgen Hansen
2019-10-31 8:50 ` Stefano Garzarella
2019-10-23 9:55 ` [PATCH net-next 08/14] vsock: add vsock_create_connected() called by transports Stefano Garzarella
2019-10-27 8:12 ` Stefan Hajnoczi
2019-10-30 15:12 ` Jorgen Hansen
2019-10-23 9:55 ` [PATCH net-next 09/14] vsock: move vsock_insert_unbound() in the vsock_create() Stefano Garzarella
2019-10-30 15:12 ` Jorgen Hansen
2019-10-23 9:55 ` [PATCH net-next 10/14] hv_sock: set VMADDR_CID_HOST in the hvs_remote_addr_init() Stefano Garzarella
2019-10-23 9:55 ` [PATCH net-next 11/14] vsock: add multi-transports support Stefano Garzarella
2019-10-23 15:08 ` Stefano Garzarella
2019-10-30 15:40 ` Jorgen Hansen
2019-10-31 8:54 ` Stefano Garzarella
2019-11-11 13:53 ` Jorgen Hansen
2019-11-11 17:17 ` Stefano Garzarella
2019-11-12 9:59 ` Jorgen Hansen
2019-11-12 10:36 ` Stefano Garzarella
2019-11-13 14:30 ` Jorgen Hansen
2019-11-13 16:38 ` Stefano Garzarella
2019-10-23 9:55 ` [PATCH net-next 12/14] vsock/vmci: register vmci_transport only when VMCI guest/host are active Stefano Garzarella
2019-10-27 8:17 ` Stefan Hajnoczi
2019-10-29 16:35 ` Stefano Garzarella
2019-11-04 10:10 ` Stefano Garzarella
2019-11-11 16:27 ` Jorgen Hansen
2019-11-11 17:30 ` Stefano Garzarella
2019-11-12 10:03 ` Jorgen Hansen
2019-11-12 10:42 ` Stefano Garzarella
2019-10-23 9:55 ` [PATCH net-next 13/14] vsock: prevent transport modules unloading Stefano Garzarella
2019-11-11 16:36 ` Jorgen Hansen
2019-10-23 9:55 ` [PATCH net-next 14/14] vsock: fix bind() behaviour taking care of CID Stefano Garzarella
2019-11-11 16:53 ` Jorgen Hansen
2019-10-27 8:01 ` [PATCH net-next 00/14] vsock: add multi-transports support Stefan Hajnoczi
2019-10-29 16:27 ` Stefano Garzarella
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