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mac80211: use sdata pointer for scan interface

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Since we now use sdata pointers most of the time, using a netdev
pointer here is somewhat artificial, use an sdata pointer instead.
Replace a netdev-prefix in a few messages by a wiphy-prefix.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2008-09-08 17:44:23 +02:00 committed by John W. Linville
parent 60f8b39c94
commit 491775a507
3 changed files with 13 additions and 15 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
net/mac80211/ieee80211_i.h
View file

@ -636,7 +636,7 @@ struct ieee80211_local {
enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state;
unsigned long last_scan_completed;
struct delayed_work scan_work;
struct net_device *scan_dev;
struct ieee80211_sub_if_data *scan_sdata;
struct ieee80211_channel *oper_channel, *scan_channel;
u8 scan_ssid[IEEE80211_MAX_SSID_LEN];
size_t scan_ssid_len;

2
net/mac80211/main.c
View file

@ -551,7 +551,7 @@ static int ieee80211_stop(struct net_device *dev)
synchronize_rcu();
skb_queue_purge(&sdata->u.sta.skb_queue);
if (local->scan_dev == sdata->dev) {
if (local->scan_sdata == sdata) {
if (!local->ops->hw_scan) {
local->sta_sw_scanning = 0;
cancel_delayed_work(&local->scan_work);

24
net/mac80211/mlme.c
View file

@ -3507,19 +3507,18 @@ static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata)
void ieee80211_scan_completed(struct ieee80211_hw *hw)
{
struct ieee80211_local *local = hw_to_local(hw);
struct net_device *dev = local->scan_dev;
struct ieee80211_sub_if_data *sdata;
union iwreq_data wrqu;
local->last_scan_completed = jiffies;
memset(&wrqu, 0, sizeof(wrqu));
wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL);
wireless_send_event(local->scan_sdata->dev, SIOCGIWSCAN, &wrqu, NULL);
if (local->sta_hw_scanning) {
local->sta_hw_scanning = 0;
if (ieee80211_hw_config(local))
printk(KERN_DEBUG "%s: failed to restore operational "
"channel after scan\n", dev->name);
"channel after scan\n", wiphy_name(local->hw.wiphy));
/* Restart STA timer for HW scan case */
rcu_read_lock();
list_for_each_entry_rcu(sdata, &local->interfaces, list)
@ -3532,7 +3531,7 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw)
local->sta_sw_scanning = 0;
if (ieee80211_hw_config(local))
printk(KERN_DEBUG "%s: failed to restore operational "
"channel after scan\n", dev->name);
"channel after scan\n", wiphy_name(local->hw.wiphy));
netif_tx_lock_bh(local->mdev);
@ -3562,8 +3561,8 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw)
}
rcu_read_unlock();
done:
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
done:
sdata = local->scan_sdata;
if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
struct ieee80211_if_sta *ifsta = &sdata->u.sta;
if (!(ifsta->flags & IEEE80211_STA_BSSID_SET) ||
@ -3578,8 +3577,7 @@ void ieee80211_sta_scan_work(struct work_struct *work)
{
struct ieee80211_local *local =
container_of(work, struct ieee80211_local, scan_work.work);
struct net_device *dev = local->scan_dev;
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_sub_if_data *sdata = local->scan_sdata;
struct ieee80211_supported_band *sband;
struct ieee80211_channel *chan;
int skip;
@ -3627,7 +3625,7 @@ void ieee80211_sta_scan_work(struct work_struct *work)
local->scan_channel = chan;
if (ieee80211_hw_config(local)) {
printk(KERN_DEBUG "%s: failed to set freq to "
"%d MHz for scan\n", dev->name,
"%d MHz for scan\n", wiphy_name(local->hw.wiphy),
chan->center_freq);
skip = 1;
}
@ -3697,7 +3695,7 @@ static int ieee80211_sta_start_scan(struct ieee80211_sub_if_data *scan_sdata,
*/
if (local->sta_sw_scanning || local->sta_hw_scanning) {
if (local->scan_dev == scan_sdata->dev)
if (local->scan_sdata == scan_sdata)
return 0;
return -EBUSY;
}
@ -3707,7 +3705,7 @@ static int ieee80211_sta_start_scan(struct ieee80211_sub_if_data *scan_sdata,
ssid, ssid_len);
if (!rc) {
local->sta_hw_scanning = 1;
local->scan_dev = scan_sdata->dev;
local->scan_sdata = scan_sdata;
}
return rc;
}
@ -3734,7 +3732,7 @@ static int ieee80211_sta_start_scan(struct ieee80211_sub_if_data *scan_sdata,
local->scan_state = SCAN_SET_CHANNEL;
local->scan_channel_idx = 0;
local->scan_band = IEEE80211_BAND_2GHZ;
local->scan_dev = scan_sdata->dev;
local->scan_sdata = scan_sdata;
netif_addr_lock_bh(local->mdev);
local->filter_flags |= FIF_BCN_PRBRESP_PROMISC;
@ -3762,7 +3760,7 @@ int ieee80211_sta_req_scan(struct ieee80211_sub_if_data *sdata, u8 *ssid, size_t
return ieee80211_sta_start_scan(sdata, ssid, ssid_len);
if (local->sta_sw_scanning || local->sta_hw_scanning) {
if (local->scan_dev == sdata->dev)
if (local->scan_sdata == sdata)
return 0;
return -EBUSY;
}