1 /* SPDX-License-Identifier: (GPL-2.0 OR MIT)
2  * Google virtual Ethernet (gve) driver
3  *
4  * Copyright (C) 2015-2021 Google, Inc.
5  */
6 
7 #ifndef _GVE_UTILS_H
8 #define _GVE_UTILS_H
9 
10 #include <linux/etherdevice.h>
11 
12 #include "gve.h"
13 
14 void gve_tx_remove_from_block(struct gve_priv *priv, int queue_idx);
15 void gve_tx_add_to_block(struct gve_priv *priv, int queue_idx);
16 
17 void gve_rx_remove_from_block(struct gve_priv *priv, int queue_idx);
18 void gve_rx_add_to_block(struct gve_priv *priv, int queue_idx);
19 
20 struct sk_buff *gve_rx_copy(struct net_device *dev, struct napi_struct *napi,
21 			    struct gve_rx_slot_page_info *page_info, u16 len);
22 
23 /* Decrement pagecnt_bias. Set it back to INT_MAX if it reached zero. */
24 void gve_dec_pagecnt_bias(struct gve_rx_slot_page_info *page_info);
25 
26 #endif /* _GVE_UTILS_H */
27 
28