| /* 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, | |
| unsigned int *xdp_pkts, | |
| unsigned int *xdp_bytes); | |
| 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 |