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1/* SPDX-License-Identifier: GPL-2.0-only */2/****************************************************************************3 * Driver for Solarflare network controllers and boards4 * Copyright 2018 Solarflare Communications Inc.5 *6 * This program is free software; you can redistribute it and/or modify it7 * under the terms of the GNU General Public License version 2 as published8 * by the Free Software Foundation, incorporated herein by reference.9 */10 11#ifndef EFX_TX_COMMON_H12#define EFX_TX_COMMON_H13 14int efx_siena_probe_tx_queue(struct efx_tx_queue *tx_queue);15void efx_siena_init_tx_queue(struct efx_tx_queue *tx_queue);16void efx_siena_fini_tx_queue(struct efx_tx_queue *tx_queue);17void efx_siena_remove_tx_queue(struct efx_tx_queue *tx_queue);18 19static inline bool efx_tx_buffer_in_use(struct efx_tx_buffer *buffer)20{21 return buffer->len || (buffer->flags & EFX_TX_BUF_OPTION);22}23 24void efx_siena_xmit_done_check_empty(struct efx_tx_queue *tx_queue);25void efx_siena_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index);26 27void efx_siena_enqueue_unwind(struct efx_tx_queue *tx_queue,28 unsigned int insert_count);29 30struct efx_tx_buffer *efx_siena_tx_map_chunk(struct efx_tx_queue *tx_queue,31 dma_addr_t dma_addr, size_t len);32int efx_siena_tx_map_data(struct efx_tx_queue *tx_queue, struct sk_buff *skb,33 unsigned int segment_count);34 35unsigned int efx_siena_tx_max_skb_descs(struct efx_nic *efx);36int efx_siena_tx_tso_fallback(struct efx_tx_queue *tx_queue, struct sk_buff *skb);37 38extern bool efx_siena_separate_tx_channels;39#endif40