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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 | ||
9ee7b683 TR |
79 | #define ALX_FLAG_USING_MSIX BIT(0) |
80 | #define ALX_FLAG_USING_MSI BIT(1) | |
81 | ||
ab69bde6 JB |
82 | struct alx_priv { |
83 | struct net_device *dev; | |
84 | ||
85 | struct alx_hw hw; | |
86 | ||
dc39a78b TR |
87 | /* msi-x vectors */ |
88 | int num_vec; | |
89 | struct msix_entry *msix_entries; | |
90 | char irq_lbl[IFNAMSIZ + 8]; | |
91 | ||
ab69bde6 JB |
92 | /* all descriptor memory */ |
93 | struct { | |
94 | dma_addr_t dma; | |
95 | void *virt; | |
4a134c39 | 96 | unsigned int size; |
ab69bde6 JB |
97 | } descmem; |
98 | ||
99 | /* protect int_mask updates */ | |
100 | spinlock_t irq_lock; | |
101 | u32 int_mask; | |
102 | ||
4a134c39 JB |
103 | unsigned int tx_ringsz; |
104 | unsigned int rx_ringsz; | |
105 | unsigned int rxbuf_size; | |
ab69bde6 JB |
106 | |
107 | struct napi_struct napi; | |
108 | struct alx_tx_queue txq; | |
109 | struct alx_rx_queue rxq; | |
110 | ||
111 | struct work_struct link_check_wk; | |
112 | struct work_struct reset_wk; | |
113 | ||
114 | u16 msg_enable; | |
115 | ||
9ee7b683 | 116 | int flags; |
f1b6b106 SD |
117 | |
118 | /* protects hw.stats */ | |
119 | spinlock_t stats_lock; | |
ab69bde6 JB |
120 | }; |
121 | ||
122 | extern const struct ethtool_ops alx_ethtool_ops; | |
123 | extern const char alx_drv_name[]; | |
124 | ||
125 | #endif |