+
+/*
+ * Note the existence of a new-to-us socket buffer (allocated or dequeued).
+ */
+void rxrpc_new_skb(struct sk_buff *skb)
+{
+ const void *here = __builtin_return_address(0);
+ int n = atomic_inc_return(&rxrpc_n_skbs);
+ trace_rxrpc_skb(skb, 0, atomic_read(&skb->users), n, here);
+}
+
+/*
+ * Note the re-emergence of a socket buffer from a queue or buffer.
+ */
+void rxrpc_see_skb(struct sk_buff *skb)
+{
+ const void *here = __builtin_return_address(0);
+ if (skb) {
+ int n = atomic_read(&rxrpc_n_skbs);
+ trace_rxrpc_skb(skb, 1, atomic_read(&skb->users), n, here);
+ }
+}
+
+/*
+ * Note the addition of a ref on a socket buffer.
+ */
+void rxrpc_get_skb(struct sk_buff *skb)
+{
+ const void *here = __builtin_return_address(0);
+ int n = atomic_inc_return(&rxrpc_n_skbs);
+ trace_rxrpc_skb(skb, 2, atomic_read(&skb->users), n, here);
+ skb_get(skb);
+}
+
+/*
+ * Note the destruction of a socket buffer.
+ */
+void rxrpc_free_skb(struct sk_buff *skb)
+{
+ const void *here = __builtin_return_address(0);
+ if (skb) {
+ int n;
+ CHECK_SLAB_OKAY(&skb->users);
+ n = atomic_dec_return(&rxrpc_n_skbs);
+ trace_rxrpc_skb(skb, 3, atomic_read(&skb->users), n, here);
+ kfree_skb(skb);
+ }
+}
+
+/*
+ * Clear a queue of socket buffers.
+ */
+void rxrpc_purge_queue(struct sk_buff_head *list)
+{
+ const void *here = __builtin_return_address(0);
+ struct sk_buff *skb;
+ while ((skb = skb_dequeue((list))) != NULL) {
+ int n = atomic_dec_return(&rxrpc_n_skbs);
+ trace_rxrpc_skb(skb, 4, atomic_read(&skb->users), n, here);
+ kfree_skb(skb);
+ }
+}