[RFC PATCH v1 10/12] net/sock: enable setting SO_ZEROCOPY for PF_VSOCK

From: Arseniy Krasnov
Date: Mon Feb 06 2023 - 02:03:42 EST


PF_VSOCK supports MSG_ZEROCOPY transmission, so SO_ZEROCOPY could
be enabled.

Signed-off-by: Arseniy Krasnov <AVKrasnov@xxxxxxxxxxxxxx>
---
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