1 /*
2 * Copyright (c) 2012 Qualcomm Atheros, Inc.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 #include <linux/etherdevice.h>
18
19 #include "wil6210.h"
20
wil_open(struct net_device * ndev)21 static int wil_open(struct net_device *ndev)
22 {
23 struct wil6210_priv *wil = ndev_to_wil(ndev);
24
25 return wil_up(wil);
26 }
27
wil_stop(struct net_device * ndev)28 static int wil_stop(struct net_device *ndev)
29 {
30 struct wil6210_priv *wil = ndev_to_wil(ndev);
31
32 return wil_down(wil);
33 }
34
35 static const struct net_device_ops wil_netdev_ops = {
36 .ndo_open = wil_open,
37 .ndo_stop = wil_stop,
38 .ndo_start_xmit = wil_start_xmit,
39 .ndo_set_mac_address = eth_mac_addr,
40 .ndo_validate_addr = eth_validate_addr,
41 };
42
wil_if_alloc(struct device * dev,void __iomem * csr)43 void *wil_if_alloc(struct device *dev, void __iomem *csr)
44 {
45 struct net_device *ndev;
46 struct wireless_dev *wdev;
47 struct wil6210_priv *wil;
48 struct ieee80211_channel *ch;
49 int rc = 0;
50
51 wdev = wil_cfg80211_init(dev);
52 if (IS_ERR(wdev)) {
53 dev_err(dev, "wil_cfg80211_init failed\n");
54 return wdev;
55 }
56
57 wil = wdev_to_wil(wdev);
58 wil->csr = csr;
59 wil->wdev = wdev;
60
61 rc = wil_priv_init(wil);
62 if (rc) {
63 dev_err(dev, "wil_priv_init failed\n");
64 goto out_wdev;
65 }
66
67 wdev->iftype = NL80211_IFTYPE_STATION; /* TODO */
68 /* default monitor channel */
69 ch = wdev->wiphy->bands[IEEE80211_BAND_60GHZ]->channels;
70 cfg80211_chandef_create(&wdev->preset_chandef, ch, NL80211_CHAN_NO_HT);
71
72 ndev = alloc_netdev(0, "wlan%d", ether_setup);
73 if (!ndev) {
74 dev_err(dev, "alloc_netdev_mqs failed\n");
75 rc = -ENOMEM;
76 goto out_priv;
77 }
78
79 ndev->netdev_ops = &wil_netdev_ops;
80 ndev->ieee80211_ptr = wdev;
81 SET_NETDEV_DEV(ndev, wiphy_dev(wdev->wiphy));
82 wdev->netdev = ndev;
83
84 wil_link_off(wil);
85
86 return wil;
87
88 out_priv:
89 wil_priv_deinit(wil);
90
91 out_wdev:
92 wil_wdev_free(wil);
93
94 return ERR_PTR(rc);
95 }
96
wil_if_free(struct wil6210_priv * wil)97 void wil_if_free(struct wil6210_priv *wil)
98 {
99 struct net_device *ndev = wil_to_ndev(wil);
100 if (!ndev)
101 return;
102
103 free_netdev(ndev);
104 wil_priv_deinit(wil);
105 wil_wdev_free(wil);
106 }
107
wil_if_add(struct wil6210_priv * wil)108 int wil_if_add(struct wil6210_priv *wil)
109 {
110 struct net_device *ndev = wil_to_ndev(wil);
111 int rc;
112
113 rc = register_netdev(ndev);
114 if (rc < 0) {
115 dev_err(&ndev->dev, "Failed to register netdev: %d\n", rc);
116 return rc;
117 }
118
119 wil_link_off(wil);
120
121 return 0;
122 }
123
wil_if_remove(struct wil6210_priv * wil)124 void wil_if_remove(struct wil6210_priv *wil)
125 {
126 struct net_device *ndev = wil_to_ndev(wil);
127
128 unregister_netdev(ndev);
129 }
130