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