76 lines
2.6 KiB
C
76 lines
2.6 KiB
C
/**************************************************************************
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*
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* GPL net driver for Solarflare network cards
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*
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* Written by Shradha Shah <sshah@solarflare.com>
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*
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* Copyright 2012-2017 Solarflare Communications Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or any later version.
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*
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* You can also choose to distribute this program under the terms of
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* the Unmodified Binary Distribution Licence (as given in the file
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* COPYING.UBDL), provided that you have satisfied its requirements.
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*
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***************************************************************************/
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#ifndef EFX_HUNT_H
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#define EFX_HUNT_H
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#include "efx_common.h"
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FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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/**************************************************************************
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*
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* Hardware data structures and sizing
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*
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***************************************************************************/
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#define EFX_EV_SIZE(_nevs) ((_nevs) * sizeof(efx_qword_t))
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#define EFX_EVQ_NBUFS(_nevs) (EFX_EV_SIZE(_nevs) / EFX_BUF_ALIGN)
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#define EFX_RXQ_SIZE(_ndescs) ((_ndescs) * sizeof(efx_qword_t))
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#define EFX_RXQ_NBUFS(_ndescs) (EFX_RXQ_SIZE(_ndescs) / EFX_BUF_ALIGN)
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#define EFX_TXQ_SIZE(_ndescs) ((_ndescs) * sizeof(efx_qword_t))
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#define EFX_TXQ_NBUFS(_ndescs) (EFX_TXQ_SIZE(_ndescs) / EFX_BUF_ALIGN)
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/** MCDI request structure */
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struct efx_mcdi_req_s {
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unsigned int emr_cmd;
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efx_dword_t *emr_in_buf;
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size_t emr_in_length;
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int emr_rc;
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efx_dword_t *emr_out_buf;
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size_t emr_out_length;
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size_t emr_out_length_used;
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};
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/*******************************************************************************
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*
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*
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* Hardware API
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*
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*
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******************************************************************************/
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extern void efx_hunt_free_special_buffer(void *buf, int bytes);
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/* Data path entry points */
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extern int efx_hunt_transmit(struct net_device *netdev, struct io_buffer *iob);
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extern void efx_hunt_poll(struct net_device *netdev);
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extern void efx_hunt_irq(struct net_device *netdev, int enable);
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/* Initialisation */
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extern int efx_hunt_ev_init(struct net_device *netdev, dma_addr_t *dma_addr);
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extern int efx_hunt_rx_init(struct net_device *netdev, dma_addr_t *dma_addr);
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extern int efx_hunt_tx_init(struct net_device *netdev, dma_addr_t *dma_addr);
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extern int efx_hunt_open(struct net_device *netdev);
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extern void efx_hunt_close(struct net_device *netdev);
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#endif /* EFX_HUNT_H */
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