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Message-ID: <0ad20428-b93a-b1e5-ea10-60449d25e0b4@sberdevices.ru>
Date: Mon, 6 Feb 2023 07:03:33 +0000
From: Arseniy Krasnov <AVKrasnov@...rdevices.ru>
To: Stefan Hajnoczi <stefanha@...hat.com>,
Stefano Garzarella <sgarzare@...hat.com>,
"Michael S. Tsirkin" <mst@...hat.com>,
Jason Wang <jasowang@...hat.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Arseniy Krasnov <AVKrasnov@...rdevices.ru>,
"Krasnov Arseniy" <oxffffaa@...il.com>
CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
"virtualization@...ts.linux-foundation.org"
<virtualization@...ts.linux-foundation.org>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
kernel <kernel@...rdevices.ru>
Subject: [RFC PATCH v1 10/12] net/sock: enable setting SO_ZEROCOPY for
PF_VSOCK
PF_VSOCK supports MSG_ZEROCOPY transmission, so SO_ZEROCOPY could
be enabled.
Signed-off-by: Arseniy Krasnov <AVKrasnov@...rdevices.ru>
---
net/core/sock.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/core/sock.c b/net/core/sock.c
index 7ba4891460ad..61f15de84e82 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1457,9 +1457,11 @@ int sk_setsockopt(struct sock *sk, int level, int optname,
(sk->sk_type == SOCK_DGRAM &&
sk->sk_protocol == IPPROTO_UDP)))
ret = -EOPNOTSUPP;
- } else if (sk->sk_family != PF_RDS) {
+ } else if (sk->sk_family != PF_RDS &&
+ sk->sk_family != PF_VSOCK) {
ret = -EOPNOTSUPP;
}
+
if (!ret) {
if (val < 0 || val > 1)
ret = -EINVAL;
--
2.25.1
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