118 lines
2.9 KiB
C
118 lines
2.9 KiB
C
/*
|
|
* Copyright (c) 2013 Johannes Berg <johannes@sipsolutions.net>
|
|
*
|
|
* This file is free software: you may copy, redistribute and/or modify it
|
|
* under the terms of the GNU General Public License as published by the
|
|
* Free Software Foundation, either version 2 of the License, or (at your
|
|
* option) any later version.
|
|
*
|
|
* This file is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* This file incorporates work covered by the following copyright and
|
|
* permission notice:
|
|
*
|
|
* Copyright (c) 2012 Qualcomm Atheros, Inc.
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifndef _ALX_H_
|
|
#define _ALX_H_
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/etherdevice.h>
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/spinlock.h>
|
|
#include "hw.h"
|
|
|
|
#define ALX_WATCHDOG_TIME (5 * HZ)
|
|
|
|
struct alx_buffer {
|
|
struct sk_buff *skb;
|
|
DEFINE_DMA_UNMAP_ADDR(dma);
|
|
DEFINE_DMA_UNMAP_LEN(size);
|
|
};
|
|
|
|
struct alx_rx_queue {
|
|
struct alx_rrd *rrd;
|
|
dma_addr_t rrd_dma;
|
|
|
|
struct alx_rfd *rfd;
|
|
dma_addr_t rfd_dma;
|
|
|
|
struct alx_buffer *bufs;
|
|
|
|
u16 write_idx, read_idx;
|
|
u16 rrd_read_idx;
|
|
};
|
|
#define ALX_RX_ALLOC_THRESH 32
|
|
|
|
struct alx_tx_queue {
|
|
struct alx_txd *tpd;
|
|
dma_addr_t tpd_dma;
|
|
struct alx_buffer *bufs;
|
|
u16 write_idx, read_idx;
|
|
};
|
|
|
|
#define ALX_DEFAULT_TX_WORK 128
|
|
|
|
enum alx_device_quirks {
|
|
ALX_DEV_QUIRK_MSI_INTX_DISABLE_BUG = BIT(0),
|
|
};
|
|
|
|
struct alx_priv {
|
|
struct net_device *dev;
|
|
|
|
struct alx_hw hw;
|
|
|
|
/* all descriptor memory */
|
|
struct {
|
|
dma_addr_t dma;
|
|
void *virt;
|
|
unsigned int size;
|
|
} descmem;
|
|
|
|
/* protect int_mask updates */
|
|
spinlock_t irq_lock;
|
|
u32 int_mask;
|
|
|
|
unsigned int tx_ringsz;
|
|
unsigned int rx_ringsz;
|
|
unsigned int rxbuf_size;
|
|
|
|
struct napi_struct napi;
|
|
struct alx_tx_queue txq;
|
|
struct alx_rx_queue rxq;
|
|
|
|
struct work_struct link_check_wk;
|
|
struct work_struct reset_wk;
|
|
|
|
u16 msg_enable;
|
|
|
|
bool msi;
|
|
|
|
/* protects hw.stats */
|
|
spinlock_t stats_lock;
|
|
};
|
|
|
|
extern const struct ethtool_ops alx_ethtool_ops;
|
|
extern const char alx_drv_name[];
|
|
|
|
#endif
|