[I/OAT]: Structure changes for TCP recv offload to I/OAT

Adds an async_wait_queue and some additional fields to tcp_sock, and a
dma_cookie_t to sk_buff.

Signed-off-by: Chris Leech <christopher.leech@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 0 deletions

diff --git a/net/core/sock.c b/net/core/sock.c
index ed2afdb9ea2d..5d820c376653 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -832,6 +832,9 @@ struct sock *sk_clone(const struct sock *sk, const gfp_t priority)
                 atomic_set(&newsk->sk_omem_alloc, 0);
                 skb_queue_head_init(&newsk->sk_receive_queue);
                 skb_queue_head_init(&newsk->sk_write_queue);
+#ifdef CONFIG_NET_DMA
+                skb_queue_head_init(&newsk->sk_async_wait_queue);
+#endif
 
                 rwlock_init(&newsk->sk_dst_lock);
                 rwlock_init(&newsk->sk_callback_lock);
@@ -1383,6 +1386,9 @@ void sock_init_data(struct socket *sock, struct sock *sk)
         skb_queue_head_init(&sk->sk_receive_queue);
         skb_queue_head_init(&sk->sk_write_queue);
         skb_queue_head_init(&sk->sk_error_queue);
+#ifdef CONFIG_NET_DMA
+        skb_queue_head_init(&sk->sk_async_wait_queue);
+#endif
 
         sk->sk_send_head        =       NULL;