From: Bobby Eshleman bobbyeshleman@meta.com
Add support to the virtio-vsock common code for passing around net namespace pointers (tx and rx). The series still requires vhost/virtio transport support to be added by future patches.
Signed-off-by: Bobby Eshleman bobbyeshleman@meta.com --- include/linux/virtio_vsock.h | 1 + net/vmw_vsock/virtio_transport_common.c | 14 ++++++++++++-- 2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/include/linux/virtio_vsock.h b/include/linux/virtio_vsock.h index c547cda7196b..ce6d15eede9c 100644 --- a/include/linux/virtio_vsock.h +++ b/include/linux/virtio_vsock.h @@ -184,6 +184,7 @@ struct virtio_vsock_pkt_info { u32 remote_cid, remote_port; struct vsock_sock *vsk; struct msghdr *msg; + struct net *net; u32 pkt_len; u16 type; u16 op; diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c index 9b3aa4f0395d..7b566c8f8082 100644 --- a/net/vmw_vsock/virtio_transport_common.c +++ b/net/vmw_vsock/virtio_transport_common.c @@ -314,6 +314,8 @@ static struct sk_buff *virtio_transport_alloc_skb(struct virtio_vsock_pkt_info * info->flags, zcopy);
+ virtio_vsock_skb_set_net(skb, info->net); + return skb; out: kfree_skb(skb); @@ -525,6 +527,7 @@ static int virtio_transport_send_credit_update(struct vsock_sock *vsk) struct virtio_vsock_pkt_info info = { .op = VIRTIO_VSOCK_OP_CREDIT_UPDATE, .vsk = vsk, + .net = sock_net(sk_vsock(vsk)), };
return virtio_transport_send_pkt_info(vsk, &info); @@ -1065,6 +1068,7 @@ int virtio_transport_connect(struct vsock_sock *vsk) struct virtio_vsock_pkt_info info = { .op = VIRTIO_VSOCK_OP_REQUEST, .vsk = vsk, + .net = sock_net(sk_vsock(vsk)), };
return virtio_transport_send_pkt_info(vsk, &info); @@ -1080,6 +1084,7 @@ int virtio_transport_shutdown(struct vsock_sock *vsk, int mode) (mode & SEND_SHUTDOWN ? VIRTIO_VSOCK_SHUTDOWN_SEND : 0), .vsk = vsk, + .net = sock_net(sk_vsock(vsk)), };
return virtio_transport_send_pkt_info(vsk, &info); @@ -1106,6 +1111,7 @@ virtio_transport_stream_enqueue(struct vsock_sock *vsk, .msg = msg, .pkt_len = len, .vsk = vsk, + .net = sock_net(sk_vsock(vsk)), };
return virtio_transport_send_pkt_info(vsk, &info); @@ -1143,6 +1149,7 @@ static int virtio_transport_reset(struct vsock_sock *vsk, .op = VIRTIO_VSOCK_OP_RST, .reply = !!skb, .vsk = vsk, + .net = sock_net(sk_vsock(vsk)), };
/* Send RST only if the original pkt is not a RST pkt */ @@ -1163,6 +1170,7 @@ static int virtio_transport_reset_no_sock(const struct virtio_transport *t, .op = VIRTIO_VSOCK_OP_RST, .type = le16_to_cpu(hdr->type), .reply = true, + .net = virtio_vsock_skb_net(skb), }; struct sk_buff *reply;
@@ -1463,6 +1471,7 @@ virtio_transport_send_response(struct vsock_sock *vsk, .remote_port = le32_to_cpu(hdr->src_port), .reply = true, .vsk = vsk, + .net = sock_net(sk_vsock(vsk)), };
return virtio_transport_send_pkt_info(vsk, &info); @@ -1577,6 +1586,7 @@ void virtio_transport_recv_pkt(struct virtio_transport *t, struct sk_buff *skb) { struct virtio_vsock_hdr *hdr = virtio_vsock_hdr(skb); + struct net *net = virtio_vsock_skb_net(skb); struct sockaddr_vm src, dst; struct vsock_sock *vsk; struct sock *sk; @@ -1604,9 +1614,9 @@ void virtio_transport_recv_pkt(struct virtio_transport *t, /* The socket must be in connected or bound table * otherwise send reset back */ - sk = vsock_find_connected_socket(&src, &dst, vsock_global_dummy_net()); + sk = vsock_find_connected_socket(&src, &dst, net); if (!sk) { - sk = vsock_find_bound_socket(&dst, vsock_global_dummy_net()); + sk = vsock_find_bound_socket(&dst, net); if (!sk) { (void)virtio_transport_reset_no_sock(t, skb); goto free_pkt;