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cfg80211: add firmware and hardware version to wiphy 

It's useful to provide firmware and hardware version to user space and have a
generic interface to retrieve them. Users can provide the version information
in bug reports etc.

Add fields for firmware and hardware version to struct wiphy.

(Dropped nl80211 bits for now and modified remaining bits in favor of
ethtool. -- JWL)

Cc: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Kalle Valo 2009-09-24 11:02:42 -07:00 committed by John W. Linville
parent 4890e3bedd
commit dfce95f51f
2 changed files with 25 additions and 1 deletions
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3
include/net/cfg80211.h
View File

@ -1142,6 +1142,9 @@ struct wiphy {
u32 frag_threshold;
u32 rts_threshold;
char fw_version[ETHTOOL_BUSINFO_LEN];
u32 hw_version;
/* If multiple wiphys are registered and you're handed e.g.
* a regular netdev with assigned ieee80211_ptr, you won't
* know whether it points to a wiphy your driver has registered

23
net/wireless/ethtool.c
View File

@ -12,13 +12,34 @@ static void cfg80211_get_drvinfo(struct net_device *dev,
strlcpy(info->version, init_utsname()->release, sizeof(info->version));
strlcpy(info->fw_version, "N/A", sizeof(info->fw_version));
if (wdev->wiphy->fw_version[0])
strncpy(info->fw_version, wdev->wiphy->fw_version,
sizeof(info->fw_version));
else
strncpy(info->fw_version, "N/A", sizeof(info->fw_version));
strlcpy(info->bus_info, dev_name(wiphy_dev(wdev->wiphy)),
sizeof(info->bus_info));
}
static int cfg80211_get_regs_len(struct net_device *dev)
{
/* For now, return 0... */
return 0;
}
static void cfg80211_get_regs(struct net_device *dev, struct ethtool_regs *regs,
void *data)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
regs->version = wdev->wiphy->hw_version;
regs->len = 0;
}
const struct ethtool_ops cfg80211_ethtool_ops = {
.get_drvinfo = cfg80211_get_drvinfo,
.get_regs_len = cfg80211_get_regs_len,
.get_regs = cfg80211_get_regs,
.get_link = ethtool_op_get_link,
};