[RFC 2/6] Add dgram_skb to vsock_sock

[Stefan Hajnoczi <stefanha@redhat.com>]

From: Asias He <asias@redhat.com>

This list will be used to match received packets when multiple packets
are used because datagram size is larger than the receive buffer size.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---
 include/net/af_vsock.h   | 1 +
 net/vmw_vsock/af_vsock.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/include/net/af_vsock.h b/include/net/af_vsock.h
index d52b984..bc9055c 100644
--- a/include/net/af_vsock.h
+++ b/include/net/af_vsock.h
@@ -58,6 +58,7 @@ struct vsock_sock {
 	 */
 	struct list_head pending_links;
 	struct list_head accept_queue;
+	struct list_head dgram_skb;
 	bool rejected;
 	struct delayed_work dwork;
 	u32 peer_shutdown;
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index ae3ce3d..0b3c498 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -684,6 +684,7 @@ struct sock *__vsock_create(struct net *net,
 	vsk->listener = NULL;
 	INIT_LIST_HEAD(&vsk->pending_links);
 	INIT_LIST_HEAD(&vsk->accept_queue);
+	INIT_LIST_HEAD(&vsk->dgram_skb); /* TODO free list entries on shutdown and limit list size or timeout somehow? */
 	vsk->rejected = false;
 	vsk->sent_request = false;
 	vsk->ignore_connecting_rst = false;
-- 
2.4.1