xref: /openbmc/linux/net/wireless/ethtool.c (revision 9429ec96)
1 #include <linux/utsname.h>
2 #include <net/cfg80211.h>
3 #include "core.h"
4 #include "ethtool.h"
5 
6 static void cfg80211_get_drvinfo(struct net_device *dev,
7 					struct ethtool_drvinfo *info)
8 {
9 	struct wireless_dev *wdev = dev->ieee80211_ptr;
10 
11 	strlcpy(info->driver, wiphy_dev(wdev->wiphy)->driver->name,
12 		sizeof(info->driver));
13 
14 	strlcpy(info->version, init_utsname()->release, sizeof(info->version));
15 
16 	if (wdev->wiphy->fw_version[0])
17 		strncpy(info->fw_version, wdev->wiphy->fw_version,
18 			sizeof(info->fw_version));
19 	else
20 		strncpy(info->fw_version, "N/A", sizeof(info->fw_version));
21 
22 	strlcpy(info->bus_info, dev_name(wiphy_dev(wdev->wiphy)),
23 		sizeof(info->bus_info));
24 }
25 
26 static int cfg80211_get_regs_len(struct net_device *dev)
27 {
28 	/* For now, return 0... */
29 	return 0;
30 }
31 
32 static void cfg80211_get_regs(struct net_device *dev, struct ethtool_regs *regs,
33 			void *data)
34 {
35 	struct wireless_dev *wdev = dev->ieee80211_ptr;
36 
37 	regs->version = wdev->wiphy->hw_version;
38 	regs->len = 0;
39 }
40 
41 static void cfg80211_get_ringparam(struct net_device *dev,
42 				   struct ethtool_ringparam *rp)
43 {
44 	struct wireless_dev *wdev = dev->ieee80211_ptr;
45 	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
46 
47 	memset(rp, 0, sizeof(*rp));
48 
49 	if (rdev->ops->get_ringparam)
50 		rdev->ops->get_ringparam(wdev->wiphy,
51 					 &rp->tx_pending, &rp->tx_max_pending,
52 					 &rp->rx_pending, &rp->rx_max_pending);
53 }
54 
55 static int cfg80211_set_ringparam(struct net_device *dev,
56 				  struct ethtool_ringparam *rp)
57 {
58 	struct wireless_dev *wdev = dev->ieee80211_ptr;
59 	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
60 
61 	if (rp->rx_mini_pending != 0 || rp->rx_jumbo_pending != 0)
62 		return -EINVAL;
63 
64 	if (rdev->ops->set_ringparam)
65 		return rdev->ops->set_ringparam(wdev->wiphy,
66 						rp->tx_pending, rp->rx_pending);
67 
68 	return -ENOTSUPP;
69 }
70 
71 static int cfg80211_get_sset_count(struct net_device *dev, int sset)
72 {
73 	struct wireless_dev *wdev = dev->ieee80211_ptr;
74 	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
75 	if (rdev->ops->get_et_sset_count)
76 		return rdev->ops->get_et_sset_count(wdev->wiphy, dev, sset);
77 	return -EOPNOTSUPP;
78 }
79 
80 static void cfg80211_get_stats(struct net_device *dev,
81 			       struct ethtool_stats *stats, u64 *data)
82 {
83 	struct wireless_dev *wdev = dev->ieee80211_ptr;
84 	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
85 	if (rdev->ops->get_et_stats)
86 		rdev->ops->get_et_stats(wdev->wiphy, dev, stats, data);
87 }
88 
89 static void cfg80211_get_strings(struct net_device *dev, u32 sset, u8 *data)
90 {
91 	struct wireless_dev *wdev = dev->ieee80211_ptr;
92 	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
93 	if (rdev->ops->get_et_strings)
94 		rdev->ops->get_et_strings(wdev->wiphy, dev, sset, data);
95 }
96 
97 const struct ethtool_ops cfg80211_ethtool_ops = {
98 	.get_drvinfo = cfg80211_get_drvinfo,
99 	.get_regs_len = cfg80211_get_regs_len,
100 	.get_regs = cfg80211_get_regs,
101 	.get_link = ethtool_op_get_link,
102 	.get_ringparam = cfg80211_get_ringparam,
103 	.set_ringparam = cfg80211_set_ringparam,
104 	.get_strings = cfg80211_get_strings,
105 	.get_ethtool_stats = cfg80211_get_stats,
106 	.get_sset_count = cfg80211_get_sset_count,
107 };
108