/* SPDX-License-Identifier: GPL-2.0-only */ /**************************************************************************** * Driver for Solarflare network controllers and boards * Copyright 2018 Solarflare Communications Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation, incorporated herein by reference. */ #ifndef EFX_TX_COMMON_H #define EFX_TX_COMMON_H int efx_probe_tx_queue(struct efx_tx_queue *tx_queue); void efx_init_tx_queue(struct efx_tx_queue *tx_queue); void efx_fini_tx_queue(struct efx_tx_queue *tx_queue); void efx_remove_tx_queue(struct efx_tx_queue *tx_queue); void efx_dequeue_buffer(struct efx_tx_queue *tx_queue, struct efx_tx_buffer *buffer, unsigned int *pkts_compl, unsigned int *bytes_compl); static inline bool efx_tx_buffer_in_use(struct efx_tx_buffer *buffer) { return buffer->len || (buffer->flags & EFX_TX_BUF_OPTION); } void efx_xmit_done_check_empty(struct efx_tx_queue *tx_queue); void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index); void efx_enqueue_unwind(struct efx_tx_queue *tx_queue, unsigned int insert_count); struct efx_tx_buffer *efx_tx_map_chunk(struct efx_tx_queue *tx_queue, dma_addr_t dma_addr, size_t len); int efx_tx_map_data(struct efx_tx_queue *tx_queue, struct sk_buff *skb, unsigned int segment_count); unsigned int efx_tx_max_skb_descs(struct efx_nic *efx); #endif