From: Arseny Krasnov <arseny.krasnov@kaspersky.com>
To: Stefan Hajnoczi <stefanha@redhat.com>,
Stefano Garzarella <sgarzare@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
Jason Wang <jasowang@redhat.com>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Arseny Krasnov <arseny.krasnov@kaspersky.com>,
Jorgen Hansen <jhansen@vmware.com>,
Andra Paraschiv <andraprs@amazon.com>,
Colin Ian King <colin.king@canonical.com>,
Norbert Slusarek <nslusarek@gmx.net>
Cc: <kvm@vger.kernel.org>,
<virtualization@lists.linux-foundation.org>,
<netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<oxffffaa@gmail.com>
Subject: [PATCH v10 06/18] af_vsock: rest of SEQPACKET support
Date: Thu, 20 May 2021 22:16:36 +0300 [thread overview]
Message-ID: <20210520191639.1271423-1-arseny.krasnov@kaspersky.com> (raw)
In-Reply-To: <20210520191357.1270473-1-arseny.krasnov@kaspersky.com>
To make SEQPACKET socket functional, socket ops was added
for SEQPACKET type and such type of socket was allowed
to create.
Signed-off-by: Arseny Krasnov <arseny.krasnov@kaspersky.com>
---
include/net/af_vsock.h | 1 +
net/vmw_vsock/af_vsock.c | 36 +++++++++++++++++++++++++++++++++++-
2 files changed, 36 insertions(+), 1 deletion(-)
diff --git a/include/net/af_vsock.h b/include/net/af_vsock.h
index 5860027d5173..1747c0b564ef 100644
--- a/include/net/af_vsock.h
+++ b/include/net/af_vsock.h
@@ -140,6 +140,7 @@ struct vsock_transport {
int flags, bool *msg_ready);
int (*seqpacket_enqueue)(struct vsock_sock *vsk, struct msghdr *msg,
size_t len);
+ bool (*seqpacket_allow)(u32 remote_cid);
/* Notification. */
int (*notify_poll_in)(struct vsock_sock *, size_t, bool *);
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index c89f84af4744..eac3861d01cc 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -452,6 +452,7 @@ int vsock_assign_transport(struct vsock_sock *vsk, struct vsock_sock *psk)
new_transport = transport_dgram;
break;
case SOCK_STREAM:
+ case SOCK_SEQPACKET:
if (vsock_use_local_transport(remote_cid))
new_transport = transport_local;
else if (remote_cid <= VMADDR_CID_HOST || !transport_h2g ||
@@ -484,6 +485,14 @@ int vsock_assign_transport(struct vsock_sock *vsk, struct vsock_sock *psk)
if (!new_transport || !try_module_get(new_transport->module))
return -ENODEV;
+ if (sk->sk_type == SOCK_SEQPACKET) {
+ if (!new_transport->seqpacket_allow ||
+ !new_transport->seqpacket_allow(remote_cid)) {
+ module_put(new_transport->module);
+ return -ESOCKTNOSUPPORT;
+ }
+ }
+
ret = new_transport->init(vsk, psk);
if (ret) {
module_put(new_transport->module);
@@ -684,6 +693,7 @@ static int __vsock_bind(struct sock *sk, struct sockaddr_vm *addr)
switch (sk->sk_socket->type) {
case SOCK_STREAM:
+ case SOCK_SEQPACKET:
spin_lock_bh(&vsock_table_lock);
retval = __vsock_bind_connectible(vsk, addr);
spin_unlock_bh(&vsock_table_lock);
@@ -770,7 +780,7 @@ static struct sock *__vsock_create(struct net *net,
static bool sock_type_connectible(u16 type)
{
- return type == SOCK_STREAM;
+ return (type == SOCK_STREAM) || (type == SOCK_SEQPACKET);
}
static void __vsock_release(struct sock *sk, int level)
@@ -2137,6 +2147,27 @@ static const struct proto_ops vsock_stream_ops = {
.sendpage = sock_no_sendpage,
};
+static const struct proto_ops vsock_seqpacket_ops = {
+ .family = PF_VSOCK,
+ .owner = THIS_MODULE,
+ .release = vsock_release,
+ .bind = vsock_bind,
+ .connect = vsock_connect,
+ .socketpair = sock_no_socketpair,
+ .accept = vsock_accept,
+ .getname = vsock_getname,
+ .poll = vsock_poll,
+ .ioctl = sock_no_ioctl,
+ .listen = vsock_listen,
+ .shutdown = vsock_shutdown,
+ .setsockopt = vsock_connectible_setsockopt,
+ .getsockopt = vsock_connectible_getsockopt,
+ .sendmsg = vsock_connectible_sendmsg,
+ .recvmsg = vsock_connectible_recvmsg,
+ .mmap = sock_no_mmap,
+ .sendpage = sock_no_sendpage,
+};
+
static int vsock_create(struct net *net, struct socket *sock,
int protocol, int kern)
{
@@ -2157,6 +2188,9 @@ static int vsock_create(struct net *net, struct socket *sock,
case SOCK_STREAM:
sock->ops = &vsock_stream_ops;
break;
+ case SOCK_SEQPACKET:
+ sock->ops = &vsock_seqpacket_ops;
+ break;
default:
return -ESOCKTNOSUPPORT;
}
--
2.25.1
next prev parent reply other threads:[~2021-05-20 19:17 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-20 19:13 [PATCH v10 00/18] virtio/vsock: introduce SOCK_SEQPACKET support Arseny Krasnov
2021-05-20 19:14 ` [PATCH v10 01/18] af_vsock: update functions for connectible socket Arseny Krasnov
2021-05-20 19:15 ` [PATCH v10 02/18] af_vsock: separate wait data loop Arseny Krasnov
2021-05-20 19:15 ` [PATCH v10 03/18] af_vsock: separate receive " Arseny Krasnov
2021-05-20 19:16 ` [PATCH v10 04/18] af_vsock: implement SEQPACKET receive loop Arseny Krasnov
2021-05-25 14:08 ` Stefano Garzarella
2021-06-04 15:06 ` Stefano Garzarella
2021-06-04 18:00 ` [MASSMAIL KLMS] " Arseny Krasnov
2021-06-07 10:48 ` Stefano Garzarella
2021-06-07 11:29 ` Arseny Krasnov
2021-06-07 12:28 ` Stefano Garzarella
2021-05-20 19:16 ` [PATCH v10 05/18] af_vsock: implement send logic for SEQPACKET Arseny Krasnov
2021-05-20 19:16 ` Arseny Krasnov [this message]
2021-05-25 14:17 ` [PATCH v10 06/18] af_vsock: rest of SEQPACKET support Stefano Garzarella
2021-05-20 19:16 ` [PATCH v10 07/18] af_vsock: update comments for stream sockets Arseny Krasnov
2021-05-20 19:17 ` [PATCH v10 08/18] virtio/vsock: set packet's type in virtio_transport_send_pkt_info() Arseny Krasnov
2021-05-20 19:17 ` [PATCH v10 09/18] virtio/vsock: simplify credit update function API Arseny Krasnov
2021-05-20 19:17 ` [PATCH v10 10/18] virtio/vsock: defines and constants for SEQPACKET Arseny Krasnov
2021-05-20 19:17 ` [PATCH v10 11/18] virtio/vsock: dequeue callback for SOCK_SEQPACKET Arseny Krasnov
2021-06-03 14:45 ` Stefano Garzarella
2021-06-04 13:12 ` Arseny Krasnov
2021-06-04 15:03 ` Stefano Garzarella
2021-06-04 18:03 ` Arseny Krasnov
2021-06-07 11:04 ` Stefano Garzarella
2021-06-07 13:18 ` Arseny Krasnov
2021-06-08 8:23 ` Stefano Garzarella
2021-06-08 9:40 ` Arseny Krasnov
2021-06-08 10:19 ` Stefano Garzarella
2021-06-08 10:24 ` Arseny Krasnov
2021-06-08 10:39 ` Stefano Garzarella
2021-05-20 19:18 ` [PATCH v10 12/18] virtio/vsock: add SEQPACKET receive logic Arseny Krasnov
2021-06-03 14:56 ` Stefano Garzarella
2021-05-20 19:18 ` [PATCH v10 13/18] virtio/vsock: rest of SOCK_SEQPACKET support Arseny Krasnov
2021-06-03 15:14 ` Stefano Garzarella
2021-05-20 19:18 ` [PATCH v10 14/18] virtio/vsock: enable SEQPACKET for transport Arseny Krasnov
2021-06-03 15:22 ` Stefano Garzarella
2021-05-20 19:19 ` [PATCH v10 15/18] vhost/vsock: support " Arseny Krasnov
2021-06-03 15:34 ` Stefano Garzarella
2021-06-04 13:13 ` Arseny Krasnov
2021-05-20 19:19 ` [PATCH v10 16/18] vsock/loopback: enable " Arseny Krasnov
2021-05-20 19:19 ` [PATCH v10 17/18] vsock_test: add SOCK_SEQPACKET tests Arseny Krasnov
2021-06-03 15:38 ` Stefano Garzarella
2021-05-20 19:20 ` [PATCH v10 18/18] virtio/vsock: update trace event for SEQPACKET Arseny Krasnov
2021-06-03 15:40 ` Stefano Garzarella
2021-05-21 7:55 ` [PATCH v10 00/18] virtio/vsock: introduce SOCK_SEQPACKET support Stefano Garzarella
2021-05-23 12:14 ` Arseny Krasnov
2021-05-25 8:22 ` Arseny Krasnov
2021-05-25 14:52 ` Stefano Garzarella
2021-05-26 12:16 ` Arseny Krasnov
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