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cfg80211: put wext data into substructure 

To make it more apparent in the code what is for wext
only (and needs to be #ifdef'ed) put all the info for
wext into a substruct in each wireless_dev.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2009-05-09 20:09:03 +02:00 committed by John W. Linville
parent 4e943900fb
commit cbe8fa9c5e
3 changed files with 36 additions and 34 deletions
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6
include/net/cfg80211.h
View File

@ -1147,8 +1147,10 @@ struct wireless_dev {
#ifdef CONFIG_WIRELESS_EXT
/* wext data */
struct cfg80211_ibss_params wext;
u8 wext_bssid[ETH_ALEN];
struct {
struct cfg80211_ibss_params ibss;
u8 bssid[ETH_ALEN];
} wext;
#endif
};

4
net/wireless/core.c
View File

@ -470,9 +470,9 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
#ifdef CONFIG_WIRELESS_EXT
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC)
break;
if (!dev->ieee80211_ptr->wext.ssid_len)
if (!dev->ieee80211_ptr->wext.ibss.ssid_len)
break;
cfg80211_join_ibss(rdev, dev, &dev->ieee80211_ptr->wext);
cfg80211_join_ibss(rdev, dev, &dev->ieee80211_ptr->wext.ibss);
break;
#endif
case NETDEV_UNREGISTER:

60
net/wireless/ibss.c
View File

@ -63,7 +63,7 @@ int cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
return -EALREADY;
#ifdef CONFIG_WIRELESS_EXT
wdev->wext.channel = params->channel;
wdev->wext.ibss.channel = params->channel;
#endif
err = rdev->ops->join_ibss(&rdev->wiphy, dev, params);
@ -90,7 +90,7 @@ void cfg80211_clear_ibss(struct net_device *dev, bool nowext)
memset(wdev->bssid, 0, ETH_ALEN);
#ifdef CONFIG_WIRELESS_EXT
if (!nowext)
wdev->wext.ssid_len = 0;
wdev->wext.ibss.ssid_len = 0;
#endif
}
@ -116,11 +116,11 @@ static int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
enum ieee80211_band band;
int i;
if (!wdev->wext.beacon_interval)
wdev->wext.beacon_interval = 100;
if (!wdev->wext.ibss.beacon_interval)
wdev->wext.ibss.beacon_interval = 100;
/* try to find an IBSS channel if none requested ... */
if (!wdev->wext.channel) {
if (!wdev->wext.ibss.channel) {
for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
struct ieee80211_supported_band *sband;
struct ieee80211_channel *chan;
@ -135,27 +135,27 @@ static int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
continue;
if (chan->flags & IEEE80211_CHAN_DISABLED)
continue;
wdev->wext.channel = chan;
wdev->wext.ibss.channel = chan;
break;
}
if (wdev->wext.channel)
if (wdev->wext.ibss.channel)
break;
}
if (!wdev->wext.channel)
if (!wdev->wext.ibss.channel)
return -EINVAL;
}
/* don't join -- SSID is not there */
if (!wdev->wext.ssid_len)
if (!wdev->wext.ibss.ssid_len)
return 0;
if (!netif_running(wdev->netdev))
return 0;
return cfg80211_join_ibss(wiphy_to_dev(wdev->wiphy),
wdev->netdev, &wdev->wext);
wdev->netdev, &wdev->wext.ibss);
}
int cfg80211_ibss_wext_siwfreq(struct net_device *dev,
@ -182,7 +182,7 @@ int cfg80211_ibss_wext_siwfreq(struct net_device *dev,
chan->flags & IEEE80211_CHAN_DISABLED))
return -EINVAL;
if (wdev->wext.channel == chan)
if (wdev->wext.ibss.channel == chan)
return 0;
if (wdev->ssid_len) {
@ -193,11 +193,11 @@ int cfg80211_ibss_wext_siwfreq(struct net_device *dev,
}
if (chan) {
wdev->wext.channel = chan;
wdev->wext.channel_fixed = true;
wdev->wext.ibss.channel = chan;
wdev->wext.ibss.channel_fixed = true;
} else {
/* cfg80211_ibss_wext_join will pick one if needed */
wdev->wext.channel_fixed = false;
wdev->wext.ibss.channel_fixed = false;
}
return cfg80211_ibss_wext_join(wiphy_to_dev(wdev->wiphy), wdev);
@ -218,8 +218,8 @@ int cfg80211_ibss_wext_giwfreq(struct net_device *dev,
if (wdev->current_bss)
chan = wdev->current_bss->channel;
else if (wdev->wext.channel)
chan = wdev->wext.channel;
else if (wdev->wext.ibss.channel)
chan = wdev->wext.ibss.channel;
if (chan) {
freq->m = chan->center_freq;
@ -259,9 +259,9 @@ int cfg80211_ibss_wext_siwessid(struct net_device *dev,
if (len > 0 && ssid[len - 1] == '\0')
len--;
wdev->wext.ssid = wdev->ssid;
memcpy(wdev->wext.ssid, ssid, len);
wdev->wext.ssid_len = len;
wdev->wext.ibss.ssid = wdev->ssid;
memcpy(wdev->wext.ibss.ssid, ssid, len);
wdev->wext.ibss.ssid_len = len;
return cfg80211_ibss_wext_join(wiphy_to_dev(wdev->wiphy), wdev);
}
@ -284,10 +284,10 @@ int cfg80211_ibss_wext_giwessid(struct net_device *dev,
data->flags = 1;
data->length = wdev->ssid_len;
memcpy(ssid, wdev->ssid, data->length);
} else if (wdev->wext.ssid && wdev->wext.ssid_len) {
} else if (wdev->wext.ibss.ssid && wdev->wext.ibss.ssid_len) {
data->flags = 1;
data->length = wdev->wext.ssid_len;
memcpy(ssid, wdev->wext.ssid, data->length);
data->length = wdev->wext.ibss.ssid_len;
memcpy(ssid, wdev->wext.ibss.ssid, data->length);
}
return 0;
@ -318,12 +318,12 @@ int cfg80211_ibss_wext_siwap(struct net_device *dev,
bssid = NULL;
/* both automatic */
if (!bssid && !wdev->wext.bssid)
if (!bssid && !wdev->wext.ibss.bssid)
return 0;
/* fixed already - and no change */
if (wdev->wext.bssid && bssid &&
compare_ether_addr(bssid, wdev->wext.bssid) == 0)
if (wdev->wext.ibss.bssid && bssid &&
compare_ether_addr(bssid, wdev->wext.ibss.bssid) == 0)
return 0;
if (wdev->ssid_len) {
@ -334,10 +334,10 @@ int cfg80211_ibss_wext_siwap(struct net_device *dev,
}
if (bssid) {
memcpy(wdev->wext_bssid, bssid, ETH_ALEN);
wdev->wext.bssid = wdev->wext_bssid;
memcpy(wdev->wext.bssid, bssid, ETH_ALEN);
wdev->wext.ibss.bssid = wdev->wext.bssid;
} else
wdev->wext.bssid = NULL;
wdev->wext.ibss.bssid = NULL;
return cfg80211_ibss_wext_join(wiphy_to_dev(wdev->wiphy), wdev);
}
@ -356,8 +356,8 @@ int cfg80211_ibss_wext_giwap(struct net_device *dev,
ap_addr->sa_family = ARPHRD_ETHER;
if (wdev->wext.bssid) {
memcpy(ap_addr->sa_data, wdev->wext.bssid, ETH_ALEN);
if (wdev->wext.ibss.bssid) {
memcpy(ap_addr->sa_data, wdev->wext.ibss.bssid, ETH_ALEN);
return 0;
}