diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/siena/tx_common.h')
| -rw-r--r-- | drivers/net/ethernet/sfc/siena/tx_common.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/siena/tx_common.h b/drivers/net/ethernet/sfc/siena/tx_common.h new file mode 100644 index 000000000000..31ca52a25015 --- /dev/null +++ b/drivers/net/ethernet/sfc/siena/tx_common.h @@ -0,0 +1,39 @@ +/* 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_siena_probe_tx_queue(struct efx_tx_queue *tx_queue); +void efx_siena_init_tx_queue(struct efx_tx_queue *tx_queue); +void efx_siena_fini_tx_queue(struct efx_tx_queue *tx_queue); +void efx_siena_remove_tx_queue(struct efx_tx_queue *tx_queue); + +static inline bool efx_tx_buffer_in_use(struct efx_tx_buffer *buffer) +{ + return buffer->len || (buffer->flags & EFX_TX_BUF_OPTION); +} + +void efx_siena_xmit_done_check_empty(struct efx_tx_queue *tx_queue); +void efx_siena_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index); + +void efx_siena_enqueue_unwind(struct efx_tx_queue *tx_queue, + unsigned int insert_count); + +struct efx_tx_buffer *efx_siena_tx_map_chunk(struct efx_tx_queue *tx_queue, + dma_addr_t dma_addr, size_t len); +int efx_siena_tx_map_data(struct efx_tx_queue *tx_queue, struct sk_buff *skb, + unsigned int segment_count); + +unsigned int efx_siena_tx_max_skb_descs(struct efx_nic *efx); +int efx_siena_tx_tso_fallback(struct efx_tx_queue *tx_queue, struct sk_buff *skb); + +extern bool efx_siena_separate_tx_channels; +#endif |