2 * Copyright (c) 2013 Johannes Berg <johannes@sipsolutions.net>
4 * This file is free software: you may copy, redistribute and/or modify it
5 * under the terms of the GNU General Public License as published by the
6 * Free Software Foundation, either version 2 of the License, or (at your
7 * option) any later version.
9 * This file is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 * This file incorporates work covered by the following copyright and
20 * Copyright (c) 2012 Qualcomm Atheros, Inc.
22 * Permission to use, copy, modify, and/or distribute this software for any
23 * purpose with or without fee is hereby granted, provided that the above
24 * copyright notice and this permission notice appear in all copies.
26 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
27 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
28 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
29 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
30 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
31 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
32 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
38 #include <linux/types.h>
39 #include <linux/etherdevice.h>
40 #include <linux/dma-mapping.h>
41 #include <linux/spinlock.h>
44 #define ALX_WATCHDOG_TIME (5 * HZ)
48 DEFINE_DMA_UNMAP_ADDR(dma);
49 DEFINE_DMA_UNMAP_LEN(size);
59 struct alx_buffer *bufs;
61 u16 write_idx, read_idx;
64 #define ALX_RX_ALLOC_THRESH 32
69 struct alx_buffer *bufs;
70 u16 write_idx, read_idx;
73 #define ALX_DEFAULT_TX_WORK 128
75 enum alx_device_quirks {
76 ALX_DEV_QUIRK_MSI_INTX_DISABLE_BUG = BIT(0),
80 struct net_device *dev;
84 /* all descriptor memory */
91 /* protect int_mask updates */
95 unsigned int tx_ringsz;
96 unsigned int rx_ringsz;
97 unsigned int rxbuf_size;
99 struct napi_struct napi;
100 struct alx_tx_queue txq;
101 struct alx_rx_queue rxq;
103 struct work_struct link_check_wk;
104 struct work_struct reset_wk;
110 /* protects hw.stats */
111 spinlock_t stats_lock;
114 extern const struct ethtool_ops alx_ethtool_ops;
115 extern const char alx_drv_name[];