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
14bool gve_tx_was_added_to_block(struct gve_priv *priv, int queue_idx);
15void gve_tx_remove_from_block(struct gve_priv *priv, int queue_idx);
16void gve_tx_add_to_block(struct gve_priv *priv, int queue_idx);
17
18bool gve_rx_was_added_to_block(struct gve_priv *priv, int queue_idx);
19void gve_rx_remove_from_block(struct gve_priv *priv, int queue_idx);
20void gve_rx_add_to_block(struct gve_priv *priv, int queue_idx);
21
22struct sk_buff *gve_rx_copy_data(struct net_device *dev, struct napi_struct *napi,
23				 u8 *data, u16 len);
24
25struct sk_buff *gve_rx_copy(struct net_device *dev, struct napi_struct *napi,
26			    struct gve_rx_slot_page_info *page_info, u16 len);
27
28/* Decrement pagecnt_bias. Set it back to INT_MAX if it reached zero. */
29void gve_dec_pagecnt_bias(struct gve_rx_slot_page_info *page_info);
30
31void gve_add_napi(struct gve_priv *priv, int ntfy_idx,
32		  int (*gve_poll)(struct napi_struct *, int));
33void gve_remove_napi(struct gve_priv *priv, int ntfy_idx);
34#endif /* _GVE_UTILS_H */
35
36