From: Bobby Eshleman <bobbyeshle...@meta.com>
Add support to the virtio common code for passing around net namespace
pointers (tx and rx). The series still requires non-common transport
support to be added by future patches.
Signed-off-by: Bobby Eshleman <bobbyeshle...@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 93edc1e798a5..81355f84b76c 100644
--- a/include/linux/virtio_vsock.h
+++ b/include/linux/virtio_vsock.h
@@ -160,6 +160,7 @@ 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 1b5d9896edae..310f2e92c527 100644
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c
@@ -313,6 +313,8 @@ 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);
@@ -524,6 +526,7 @@ 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);
@@ -1064,6 +1067,7 @@ 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);
@@ -1079,6 +1083,7 @@ 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);
@@ -1105,6 +1110,7 @@ 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);
@@ -1142,6 +1148,7 @@ 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 */
@@ -1162,6 +1169,7 @@ 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;
@@ -1462,6 +1470,7 @@ 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);
@@ -1576,6 +1585,7 @@ 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;
@@ -1603,9 +1613,9 @@ 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);
+ sk = vsock_find_connected_socket(&src, &dst, net);
if (!sk) {
- sk = vsock_find_bound_socket(&dst);
+ sk = vsock_find_bound_socket(&dst, net);
if (!sk) {
(void)virtio_transport_reset_no_sock(t, skb);
goto free_pkt;
--
2.47.1
