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ab69bde6 JB |
1 | /* |
2 | * Copyright (c) 2013 Johannes Berg <johannes@sipsolutions.net> | |
3 | * | |
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. | |
8 | * | |
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. | |
13 | * | |
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/>. | |
16 | * | |
17 | * This file incorporates work covered by the following copyright and | |
18 | * permission notice: | |
19 | * | |
20 | * Copyright (c) 2012 Qualcomm Atheros, Inc. | |
21 | * | |
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. | |
25 | * | |
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. | |
33 | */ | |
34 | ||
35 | #ifndef _ALX_H_ | |
36 | #define _ALX_H_ | |
37 | ||
38 | #include <linux/types.h> | |
39 | #include <linux/etherdevice.h> | |
40 | #include <linux/dma-mapping.h> | |
41 | #include <linux/spinlock.h> | |
42 | #include "hw.h" | |
43 | ||
44 | #define ALX_WATCHDOG_TIME (5 * HZ) | |
45 | ||
46 | struct alx_buffer { | |
47 | struct sk_buff *skb; | |
48 | DEFINE_DMA_UNMAP_ADDR(dma); | |
49 | DEFINE_DMA_UNMAP_LEN(size); | |
50 | }; | |
51 | ||
52 | struct alx_rx_queue { | |
53 | struct alx_rrd *rrd; | |
54 | dma_addr_t rrd_dma; | |
55 | ||
56 | struct alx_rfd *rfd; | |
57 | dma_addr_t rfd_dma; | |
58 | ||
59 | struct alx_buffer *bufs; | |
60 | ||
61 | u16 write_idx, read_idx; | |
62 | u16 rrd_read_idx; | |
63 | }; | |
64 | #define ALX_RX_ALLOC_THRESH 32 | |
65 | ||
66 | struct alx_tx_queue { | |
67 | struct alx_txd *tpd; | |
68 | dma_addr_t tpd_dma; | |
69 | struct alx_buffer *bufs; | |
70 | u16 write_idx, read_idx; | |
71 | }; | |
72 | ||
73 | #define ALX_DEFAULT_TX_WORK 128 | |
74 | ||
75 | enum alx_device_quirks { | |
76 | ALX_DEV_QUIRK_MSI_INTX_DISABLE_BUG = BIT(0), | |
77 | }; | |
78 | ||
79 | struct alx_priv { | |
80 | struct net_device *dev; | |
81 | ||
82 | struct alx_hw hw; | |
83 | ||
84 | /* all descriptor memory */ | |
85 | struct { | |
86 | dma_addr_t dma; | |
87 | void *virt; | |
88 | int size; | |
89 | } descmem; | |
90 | ||
91 | /* protect int_mask updates */ | |
92 | spinlock_t irq_lock; | |
93 | u32 int_mask; | |
94 | ||
95 | int tx_ringsz; | |
96 | int rx_ringsz; | |
97 | int rxbuf_size; | |
98 | ||
99 | struct napi_struct napi; | |
100 | struct alx_tx_queue txq; | |
101 | struct alx_rx_queue rxq; | |
102 | ||
103 | struct work_struct link_check_wk; | |
104 | struct work_struct reset_wk; | |
105 | ||
106 | u16 msg_enable; | |
107 | ||
108 | bool msi; | |
109 | }; | |
110 | ||
111 | extern const struct ethtool_ops alx_ethtool_ops; | |
112 | extern const char alx_drv_name[]; | |
113 | ||
114 | #endif |