162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 262306a36Sopenharmony_ci/**************************************************************************** 362306a36Sopenharmony_ci * Driver for Solarflare network controllers and boards 462306a36Sopenharmony_ci * Copyright 2018 Solarflare Communications Inc. 562306a36Sopenharmony_ci * 662306a36Sopenharmony_ci * This program is free software; you can redistribute it and/or modify it 762306a36Sopenharmony_ci * under the terms of the GNU General Public License version 2 as published 862306a36Sopenharmony_ci * by the Free Software Foundation, incorporated herein by reference. 962306a36Sopenharmony_ci */ 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci#ifndef EFX_TX_COMMON_H 1262306a36Sopenharmony_ci#define EFX_TX_COMMON_H 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ciint efx_siena_probe_tx_queue(struct efx_tx_queue *tx_queue); 1562306a36Sopenharmony_civoid efx_siena_init_tx_queue(struct efx_tx_queue *tx_queue); 1662306a36Sopenharmony_civoid efx_siena_fini_tx_queue(struct efx_tx_queue *tx_queue); 1762306a36Sopenharmony_civoid efx_siena_remove_tx_queue(struct efx_tx_queue *tx_queue); 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_cistatic inline bool efx_tx_buffer_in_use(struct efx_tx_buffer *buffer) 2062306a36Sopenharmony_ci{ 2162306a36Sopenharmony_ci return buffer->len || (buffer->flags & EFX_TX_BUF_OPTION); 2262306a36Sopenharmony_ci} 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_civoid efx_siena_xmit_done_check_empty(struct efx_tx_queue *tx_queue); 2562306a36Sopenharmony_civoid efx_siena_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index); 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_civoid efx_siena_enqueue_unwind(struct efx_tx_queue *tx_queue, 2862306a36Sopenharmony_ci unsigned int insert_count); 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_cistruct efx_tx_buffer *efx_siena_tx_map_chunk(struct efx_tx_queue *tx_queue, 3162306a36Sopenharmony_ci dma_addr_t dma_addr, size_t len); 3262306a36Sopenharmony_ciint efx_siena_tx_map_data(struct efx_tx_queue *tx_queue, struct sk_buff *skb, 3362306a36Sopenharmony_ci unsigned int segment_count); 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_ciunsigned int efx_siena_tx_max_skb_descs(struct efx_nic *efx); 3662306a36Sopenharmony_ciint efx_siena_tx_tso_fallback(struct efx_tx_queue *tx_queue, struct sk_buff *skb); 3762306a36Sopenharmony_ci 3862306a36Sopenharmony_ciextern bool efx_siena_separate_tx_channels; 3962306a36Sopenharmony_ci#endif 40