diff options
| author | Peng Tao <bergwolf@gmail.com> | 2017-03-15 09:32:14 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-03-21 14:41:46 -0700 |
| commit | 36d277bac8080202684e67162ebb157f16631581 (patch) | |
| tree | 0fe31321089fa4634de3ad403b98078ca84a8986 | |
| parent | 8a0f5ccfb33b0b8b51de65b7b3bf342ba10b4fb6 (diff) | |
| download | vfio-ccw-36d277bac8080202684e67162ebb157f16631581.tar.gz | |
vsock: track pkt owner vsock
So that we can cancel a queued pkt later if necessary.
Signed-off-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/linux/virtio_vsock.h | 3 | ||||
| -rw-r--r-- | net/vmw_vsock/virtio_transport_common.c | 7 |
2 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/virtio_vsock.h b/include/linux/virtio_vsock.h index 9638bfeb0d1f63..584f9a647ad4ac 100644 --- a/include/linux/virtio_vsock.h +++ b/include/linux/virtio_vsock.h @@ -48,6 +48,8 @@ struct virtio_vsock_pkt { struct virtio_vsock_hdr hdr; struct work_struct work; struct list_head list; + /* socket refcnt not held, only use for cancellation */ + struct vsock_sock *vsk; void *buf; u32 len; u32 off; @@ -56,6 +58,7 @@ struct virtio_vsock_pkt { struct virtio_vsock_pkt_info { u32 remote_cid, remote_port; + struct vsock_sock *vsk; struct msghdr *msg; u32 pkt_len; u16 type; diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c index 8d592a45b59786..af087b44ceea23 100644 --- a/net/vmw_vsock/virtio_transport_common.c +++ b/net/vmw_vsock/virtio_transport_common.c @@ -58,6 +58,7 @@ virtio_transport_alloc_pkt(struct virtio_vsock_pkt_info *info, pkt->len = len; pkt->hdr.len = cpu_to_le32(len); pkt->reply = info->reply; + pkt->vsk = info->vsk; if (info->msg && len > 0) { pkt->buf = kmalloc(len, GFP_KERNEL); @@ -180,6 +181,7 @@ static int virtio_transport_send_credit_update(struct vsock_sock *vsk, struct virtio_vsock_pkt_info info = { .op = VIRTIO_VSOCK_OP_CREDIT_UPDATE, .type = type, + .vsk = vsk, }; return virtio_transport_send_pkt_info(vsk, &info); @@ -519,6 +521,7 @@ int virtio_transport_connect(struct vsock_sock *vsk) struct virtio_vsock_pkt_info info = { .op = VIRTIO_VSOCK_OP_REQUEST, .type = VIRTIO_VSOCK_TYPE_STREAM, + .vsk = vsk, }; return virtio_transport_send_pkt_info(vsk, &info); @@ -534,6 +537,7 @@ int virtio_transport_shutdown(struct vsock_sock *vsk, int mode) VIRTIO_VSOCK_SHUTDOWN_RCV : 0) | (mode & SEND_SHUTDOWN ? VIRTIO_VSOCK_SHUTDOWN_SEND : 0), + .vsk = vsk, }; return virtio_transport_send_pkt_info(vsk, &info); @@ -560,6 +564,7 @@ virtio_transport_stream_enqueue(struct vsock_sock *vsk, .type = VIRTIO_VSOCK_TYPE_STREAM, .msg = msg, .pkt_len = len, + .vsk = vsk, }; return virtio_transport_send_pkt_info(vsk, &info); @@ -581,6 +586,7 @@ static int virtio_transport_reset(struct vsock_sock *vsk, .op = VIRTIO_VSOCK_OP_RST, .type = VIRTIO_VSOCK_TYPE_STREAM, .reply = !!pkt, + .vsk = vsk, }; /* Send RST only if the original pkt is not a RST pkt */ @@ -826,6 +832,7 @@ virtio_transport_send_response(struct vsock_sock *vsk, .remote_cid = le64_to_cpu(pkt->hdr.src_cid), .remote_port = le32_to_cpu(pkt->hdr.src_port), .reply = true, + .vsk = vsk, }; return virtio_transport_send_pkt_info(vsk, &info); |