| /* 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, |
| unsigned int *efv_pkts_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); |
| int 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_tso_header_length(struct sk_buff *skb); |
| 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); |
| int efx_tx_tso_fallback(struct efx_tx_queue *tx_queue, struct sk_buff *skb); |
| |
| extern bool efx_separate_tx_channels; |
| #endif |
