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