2008-09-08 17:44:25 +02:00
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/*
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2008-09-08 17:44:27 +02:00
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* Scanning implementation
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*
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2008-09-08 17:44:25 +02:00
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* Copyright 2003, Jouni Malinen <jkmaline@cc.hut.fi>
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* Copyright 2004, Instant802 Networks, Inc.
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* Copyright 2005, Devicescape Software, Inc.
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* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
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* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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2009-02-10 21:26:00 +01:00
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/* TODO: figure out how to avoid that the "current BSS" expires */
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2008-09-08 17:44:27 +02:00
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2008-09-08 17:44:25 +02:00
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#include <linux/wireless.h>
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#include <linux/if_arp.h>
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2009-01-22 18:07:31 +01:00
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#include <linux/rtnetlink.h>
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2008-09-08 17:44:25 +02:00
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#include <net/mac80211.h>
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#include <net/iw_handler.h>
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#include "ieee80211_i.h"
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2008-09-08 17:44:27 +02:00
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#include "mesh.h"
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2008-09-08 17:44:25 +02:00
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#define IEEE80211_PROBE_DELAY (HZ / 33)
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#define IEEE80211_CHANNEL_TIME (HZ / 33)
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#define IEEE80211_PASSIVE_CHANNEL_TIME (HZ / 5)
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2008-09-11 00:01:55 +02:00
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struct ieee80211_bss *
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2008-09-08 17:44:27 +02:00
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ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq,
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u8 *ssid, u8 ssid_len)
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{
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2009-02-10 21:26:00 +01:00
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return (void *)cfg80211_get_bss(local->hw.wiphy,
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ieee80211_get_channel(local->hw.wiphy,
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freq),
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bssid, ssid, ssid_len,
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0, 0);
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2008-09-08 17:44:27 +02:00
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}
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2009-02-10 21:26:00 +01:00
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static void ieee80211_rx_bss_free(struct cfg80211_bss *cbss)
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2008-09-08 17:44:27 +02:00
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{
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2009-02-10 21:26:00 +01:00
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struct ieee80211_bss *bss = (void *)cbss;
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2008-09-08 17:44:27 +02:00
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kfree(bss_mesh_id(bss));
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kfree(bss_mesh_cfg(bss));
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}
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void ieee80211_rx_bss_put(struct ieee80211_local *local,
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2008-09-11 00:01:55 +02:00
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struct ieee80211_bss *bss)
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2008-09-08 17:44:27 +02:00
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{
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2009-02-10 21:26:00 +01:00
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cfg80211_put_bss((struct cfg80211_bss *)bss);
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2008-09-08 17:44:27 +02:00
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}
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2008-09-11 00:01:55 +02:00
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struct ieee80211_bss *
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2008-09-08 17:44:27 +02:00
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ieee80211_bss_info_update(struct ieee80211_local *local,
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struct ieee80211_rx_status *rx_status,
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struct ieee80211_mgmt *mgmt,
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size_t len,
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struct ieee802_11_elems *elems,
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2009-02-10 21:25:55 +01:00
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struct ieee80211_channel *channel,
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bool beacon)
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2008-09-08 17:44:27 +02:00
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{
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2008-09-11 00:01:55 +02:00
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struct ieee80211_bss *bss;
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2009-02-10 21:26:00 +01:00
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int clen;
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2009-02-10 21:25:55 +01:00
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enum cfg80211_signal_type sigtype = CFG80211_SIGNAL_TYPE_NONE;
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s32 signal = 0;
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if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
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sigtype = CFG80211_SIGNAL_TYPE_MBM;
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signal = rx_status->signal * 100;
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} else if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC) {
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sigtype = CFG80211_SIGNAL_TYPE_UNSPEC;
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signal = (rx_status->signal * 100) / local->hw.max_signal;
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}
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2009-02-10 21:26:00 +01:00
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bss = (void *)cfg80211_inform_bss_frame(local->hw.wiphy, channel,
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mgmt, len, signal, sigtype,
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GFP_ATOMIC);
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2008-09-08 17:44:27 +02:00
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2009-02-10 21:26:00 +01:00
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if (!bss)
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return NULL;
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bss->cbss.free_priv = ieee80211_rx_bss_free;
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2008-09-08 17:44:27 +02:00
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/* save the ERP value so that it is available at association time */
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if (elems->erp_info && elems->erp_info_len >= 1) {
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bss->erp_value = elems->erp_info[0];
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bss->has_erp_value = 1;
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}
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if (elems->tim) {
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struct ieee80211_tim_ie *tim_ie =
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(struct ieee80211_tim_ie *)elems->tim;
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bss->dtim_period = tim_ie->dtim_period;
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}
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/* set default value for buggy APs */
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if (!elems->tim || bss->dtim_period == 0)
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bss->dtim_period = 1;
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bss->supp_rates_len = 0;
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if (elems->supp_rates) {
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clen = IEEE80211_MAX_SUPP_RATES - bss->supp_rates_len;
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if (clen > elems->supp_rates_len)
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clen = elems->supp_rates_len;
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memcpy(&bss->supp_rates[bss->supp_rates_len], elems->supp_rates,
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clen);
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bss->supp_rates_len += clen;
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}
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if (elems->ext_supp_rates) {
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clen = IEEE80211_MAX_SUPP_RATES - bss->supp_rates_len;
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if (clen > elems->ext_supp_rates_len)
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clen = elems->ext_supp_rates_len;
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memcpy(&bss->supp_rates[bss->supp_rates_len],
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elems->ext_supp_rates, clen);
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bss->supp_rates_len += clen;
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}
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bss->wmm_used = elems->wmm_param || elems->wmm_info;
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if (!beacon)
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bss->last_probe_resp = jiffies;
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return bss;
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}
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2008-09-08 17:44:25 +02:00
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2009-02-04 13:58:48 +01:00
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void ieee80211_rx_bss_remove(struct ieee80211_sub_if_data *sdata, u8 *bssid,
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int freq, u8 *ssid, u8 ssid_len)
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{
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struct ieee80211_bss *bss;
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struct ieee80211_local *local = sdata->local;
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bss = ieee80211_rx_bss_get(local, bssid, freq, ssid, ssid_len);
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if (bss) {
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2009-02-10 21:26:00 +01:00
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cfg80211_unlink_bss(local->hw.wiphy, (void *)bss);
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2009-02-04 13:58:48 +01:00
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ieee80211_rx_bss_put(local, bss);
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}
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}
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2008-09-08 17:44:26 +02:00
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ieee80211_rx_result
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2008-09-11 00:01:55 +02:00
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ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
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struct ieee80211_rx_status *rx_status)
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2008-09-08 17:44:26 +02:00
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{
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struct ieee80211_mgmt *mgmt;
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2008-09-11 00:01:55 +02:00
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struct ieee80211_bss *bss;
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2008-09-08 17:44:26 +02:00
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u8 *elements;
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struct ieee80211_channel *channel;
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size_t baselen;
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int freq;
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__le16 fc;
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bool presp, beacon = false;
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struct ieee802_11_elems elems;
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if (skb->len < 2)
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return RX_DROP_UNUSABLE;
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mgmt = (struct ieee80211_mgmt *) skb->data;
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fc = mgmt->frame_control;
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if (ieee80211_is_ctl(fc))
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return RX_CONTINUE;
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if (skb->len < 24)
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return RX_DROP_MONITOR;
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presp = ieee80211_is_probe_resp(fc);
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if (presp) {
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/* ignore ProbeResp to foreign address */
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if (memcmp(mgmt->da, sdata->dev->dev_addr, ETH_ALEN))
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return RX_DROP_MONITOR;
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presp = true;
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elements = mgmt->u.probe_resp.variable;
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baselen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
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} else {
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beacon = ieee80211_is_beacon(fc);
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baselen = offsetof(struct ieee80211_mgmt, u.beacon.variable);
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elements = mgmt->u.beacon.variable;
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}
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if (!presp && !beacon)
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return RX_CONTINUE;
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if (baselen > skb->len)
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return RX_DROP_MONITOR;
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ieee802_11_parse_elems(elements, skb->len - baselen, &elems);
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if (elems.ds_params && elems.ds_params_len == 1)
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freq = ieee80211_channel_to_frequency(elems.ds_params[0]);
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else
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freq = rx_status->freq;
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channel = ieee80211_get_channel(sdata->local->hw.wiphy, freq);
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if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
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return RX_DROP_MONITOR;
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bss = ieee80211_bss_info_update(sdata->local, rx_status,
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mgmt, skb->len, &elems,
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2009-02-10 21:25:55 +01:00
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channel, beacon);
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2008-10-11 02:29:55 +02:00
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if (bss)
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ieee80211_rx_bss_put(sdata->local, bss);
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2008-09-08 17:44:26 +02:00
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dev_kfree_skb(skb);
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return RX_QUEUED;
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}
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2009-02-10 21:25:55 +01:00
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void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
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2008-09-08 17:44:25 +02:00
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{
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struct ieee80211_local *local = hw_to_local(hw);
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struct ieee80211_sub_if_data *sdata;
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2008-09-11 00:01:55 +02:00
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if (WARN_ON(!local->hw_scanning && !local->sw_scanning))
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2008-09-11 00:01:51 +02:00
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return;
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2009-02-10 21:25:55 +01:00
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if (WARN_ON(!local->scan_req))
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return;
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2008-09-11 00:01:51 +02:00
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2009-02-10 21:25:55 +01:00
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if (local->scan_req != &local->int_scan_req)
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cfg80211_scan_done(local->scan_req, aborted);
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local->scan_req = NULL;
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local->last_scan_completed = jiffies;
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2008-09-08 17:44:25 +02:00
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2008-09-11 00:01:55 +02:00
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if (local->hw_scanning) {
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local->hw_scanning = false;
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2008-10-09 12:18:51 +02:00
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/*
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* Somebody might have requested channel change during scan
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* that we won't have acted upon, try now. ieee80211_hw_config
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* will set the flag based on actual changes.
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*/
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ieee80211_hw_config(local, 0);
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2008-09-08 17:44:25 +02:00
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goto done;
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}
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2008-09-11 00:01:55 +02:00
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local->sw_scanning = false;
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2008-10-09 12:18:51 +02:00
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ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
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2008-09-08 17:44:25 +02:00
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netif_tx_lock_bh(local->mdev);
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netif_addr_lock(local->mdev);
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local->filter_flags &= ~FIF_BCN_PRBRESP_PROMISC;
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local->ops->configure_filter(local_to_hw(local),
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FIF_BCN_PRBRESP_PROMISC,
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&local->filter_flags,
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local->mdev->mc_count,
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local->mdev->mc_list);
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netif_addr_unlock(local->mdev);
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netif_tx_unlock_bh(local->mdev);
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2009-01-22 18:07:31 +01:00
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mutex_lock(&local->iflist_mtx);
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list_for_each_entry(sdata, &local->interfaces, list) {
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2009-01-26 19:11:57 +01:00
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if (!netif_running(sdata->dev))
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continue;
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2008-09-08 17:44:25 +02:00
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/* Tell AP we're back */
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2008-09-11 00:01:58 +02:00
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if (sdata->vif.type == NL80211_IFTYPE_STATION) {
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2009-02-15 12:44:28 +01:00
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if (sdata->u.mgd.flags & IEEE80211_STA_ASSOCIATED) {
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2008-09-08 17:44:25 +02:00
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ieee80211_send_nullfunc(local, sdata, 0);
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netif_tx_wake_all_queues(sdata->dev);
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}
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} else
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netif_tx_wake_all_queues(sdata->dev);
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2009-01-22 18:07:31 +01:00
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2009-02-10 21:25:42 +01:00
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/* re-enable beaconing */
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if (sdata->vif.type == NL80211_IFTYPE_AP ||
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sdata->vif.type == NL80211_IFTYPE_ADHOC ||
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sdata->vif.type == NL80211_IFTYPE_MESH_POINT)
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ieee80211_if_config(sdata,
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IEEE80211_IFCC_BEACON_ENABLED);
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2008-09-08 17:44:25 +02:00
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}
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2009-01-22 18:07:31 +01:00
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mutex_unlock(&local->iflist_mtx);
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2008-09-08 17:44:25 +02:00
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done:
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ieee80211_mlme_notify_scan_completed(local);
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2009-02-15 12:44:28 +01:00
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ieee80211_ibss_notify_scan_completed(local);
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2008-09-11 00:01:49 +02:00
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ieee80211_mesh_notify_scan_completed(local);
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2008-09-08 17:44:25 +02:00
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}
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EXPORT_SYMBOL(ieee80211_scan_completed);
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2008-09-11 00:01:55 +02:00
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void ieee80211_scan_work(struct work_struct *work)
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2008-09-08 17:44:25 +02:00
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{
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struct ieee80211_local *local =
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container_of(work, struct ieee80211_local, scan_work.work);
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struct ieee80211_sub_if_data *sdata = local->scan_sdata;
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struct ieee80211_channel *chan;
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2009-02-10 21:25:55 +01:00
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int skip, i;
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2008-09-08 17:44:25 +02:00
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unsigned long next_delay = 0;
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|
2008-09-11 00:01:51 +02:00
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/*
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* Avoid re-scheduling when the sdata is going away.
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*/
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if (!netif_running(sdata->dev))
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2008-09-08 17:44:25 +02:00
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return;
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switch (local->scan_state) {
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case SCAN_SET_CHANNEL:
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/* if no more bands/channels left, complete scan */
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2009-02-10 21:25:55 +01:00
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|
|
if (local->scan_channel_idx >= local->scan_req->n_channels) {
|
|
|
|
ieee80211_scan_completed(local_to_hw(local), false);
|
2008-09-08 17:44:25 +02:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
skip = 0;
|
2009-02-10 21:25:55 +01:00
|
|
|
chan = local->scan_req->channels[local->scan_channel_idx];
|
2008-09-08 17:44:25 +02:00
|
|
|
|
|
|
|
if (chan->flags & IEEE80211_CHAN_DISABLED ||
|
2008-09-11 00:01:58 +02:00
|
|
|
(sdata->vif.type == NL80211_IFTYPE_ADHOC &&
|
2008-09-08 17:44:25 +02:00
|
|
|
chan->flags & IEEE80211_CHAN_NO_IBSS))
|
|
|
|
skip = 1;
|
|
|
|
|
|
|
|
if (!skip) {
|
|
|
|
local->scan_channel = chan;
|
2008-10-09 12:18:51 +02:00
|
|
|
if (ieee80211_hw_config(local,
|
|
|
|
IEEE80211_CONF_CHANGE_CHANNEL))
|
2008-09-08 17:44:25 +02:00
|
|
|
skip = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* advance state machine to next channel/band */
|
|
|
|
local->scan_channel_idx++;
|
|
|
|
|
|
|
|
if (skip)
|
|
|
|
break;
|
|
|
|
|
|
|
|
next_delay = IEEE80211_PROBE_DELAY +
|
|
|
|
usecs_to_jiffies(local->hw.channel_change_time);
|
|
|
|
local->scan_state = SCAN_SEND_PROBE;
|
|
|
|
break;
|
|
|
|
case SCAN_SEND_PROBE:
|
|
|
|
next_delay = IEEE80211_PASSIVE_CHANNEL_TIME;
|
|
|
|
local->scan_state = SCAN_SET_CHANNEL;
|
|
|
|
|
2009-02-10 21:25:55 +01:00
|
|
|
if (local->scan_channel->flags & IEEE80211_CHAN_PASSIVE_SCAN ||
|
|
|
|
!local->scan_req->n_ssids)
|
2008-09-08 17:44:25 +02:00
|
|
|
break;
|
2009-02-10 21:25:55 +01:00
|
|
|
for (i = 0; i < local->scan_req->n_ssids; i++)
|
|
|
|
ieee80211_send_probe_req(
|
|
|
|
sdata, NULL,
|
|
|
|
local->scan_req->ssids[i].ssid,
|
2009-02-16 18:39:13 +01:00
|
|
|
local->scan_req->ssids[i].ssid_len,
|
|
|
|
local->scan_req->ie, local->scan_req->ie_len);
|
2008-09-08 17:44:25 +02:00
|
|
|
next_delay = IEEE80211_CHANNEL_TIME;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2008-09-11 00:01:51 +02:00
|
|
|
queue_delayed_work(local->hw.workqueue, &local->scan_work,
|
|
|
|
next_delay);
|
2008-09-08 17:44:25 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-09-11 00:01:55 +02:00
|
|
|
int ieee80211_start_scan(struct ieee80211_sub_if_data *scan_sdata,
|
2009-02-10 21:25:55 +01:00
|
|
|
struct cfg80211_scan_request *req)
|
2008-09-08 17:44:25 +02:00
|
|
|
{
|
|
|
|
struct ieee80211_local *local = scan_sdata->local;
|
|
|
|
struct ieee80211_sub_if_data *sdata;
|
|
|
|
|
2009-02-10 21:25:55 +01:00
|
|
|
if (!req)
|
2008-09-08 17:44:25 +02:00
|
|
|
return -EINVAL;
|
|
|
|
|
2009-02-10 21:25:55 +01:00
|
|
|
if (local->scan_req && local->scan_req != req)
|
|
|
|
return -EBUSY;
|
|
|
|
|
|
|
|
local->scan_req = req;
|
|
|
|
|
2008-09-08 17:44:25 +02:00
|
|
|
/* MLME-SCAN.request (page 118) page 144 (11.1.3.1)
|
|
|
|
* BSSType: INFRASTRUCTURE, INDEPENDENT, ANY_BSS
|
|
|
|
* BSSID: MACAddress
|
|
|
|
* SSID
|
|
|
|
* ScanType: ACTIVE, PASSIVE
|
|
|
|
* ProbeDelay: delay (in microseconds) to be used prior to transmitting
|
|
|
|
* a Probe frame during active scanning
|
|
|
|
* ChannelList
|
|
|
|
* MinChannelTime (>= ProbeDelay), in TU
|
|
|
|
* MaxChannelTime: (>= MinChannelTime), in TU
|
|
|
|
*/
|
|
|
|
|
|
|
|
/* MLME-SCAN.confirm
|
|
|
|
* BSSDescriptionSet
|
|
|
|
* ResultCode: SUCCESS, INVALID_PARAMETERS
|
|
|
|
*/
|
|
|
|
|
2008-09-11 00:01:55 +02:00
|
|
|
if (local->sw_scanning || local->hw_scanning) {
|
2008-09-08 17:44:25 +02:00
|
|
|
if (local->scan_sdata == scan_sdata)
|
|
|
|
return 0;
|
|
|
|
return -EBUSY;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (local->ops->hw_scan) {
|
2008-09-11 00:01:51 +02:00
|
|
|
int rc;
|
|
|
|
|
2008-09-11 00:01:55 +02:00
|
|
|
local->hw_scanning = true;
|
2009-02-10 21:25:55 +01:00
|
|
|
rc = local->ops->hw_scan(local_to_hw(local), req);
|
2008-09-11 00:01:51 +02:00
|
|
|
if (rc) {
|
2008-09-11 00:01:55 +02:00
|
|
|
local->hw_scanning = false;
|
2008-09-11 00:01:51 +02:00
|
|
|
return rc;
|
2008-09-08 17:44:25 +02:00
|
|
|
}
|
2008-09-11 00:01:51 +02:00
|
|
|
local->scan_sdata = scan_sdata;
|
|
|
|
return 0;
|
2008-09-08 17:44:25 +02:00
|
|
|
}
|
|
|
|
|
2008-09-11 00:01:55 +02:00
|
|
|
local->sw_scanning = true;
|
2008-09-08 17:44:25 +02:00
|
|
|
|
2009-01-22 18:07:31 +01:00
|
|
|
mutex_lock(&local->iflist_mtx);
|
|
|
|
list_for_each_entry(sdata, &local->interfaces, list) {
|
2009-01-26 19:11:57 +01:00
|
|
|
if (!netif_running(sdata->dev))
|
|
|
|
continue;
|
|
|
|
|
2009-02-10 21:25:42 +01:00
|
|
|
/* disable beaconing */
|
|
|
|
if (sdata->vif.type == NL80211_IFTYPE_AP ||
|
|
|
|
sdata->vif.type == NL80211_IFTYPE_ADHOC ||
|
|
|
|
sdata->vif.type == NL80211_IFTYPE_MESH_POINT)
|
|
|
|
ieee80211_if_config(sdata,
|
|
|
|
IEEE80211_IFCC_BEACON_ENABLED);
|
2009-01-22 18:07:31 +01:00
|
|
|
|
2008-09-11 00:01:58 +02:00
|
|
|
if (sdata->vif.type == NL80211_IFTYPE_STATION) {
|
2009-02-15 12:44:28 +01:00
|
|
|
if (sdata->u.mgd.flags & IEEE80211_STA_ASSOCIATED) {
|
2008-09-08 17:44:25 +02:00
|
|
|
netif_tx_stop_all_queues(sdata->dev);
|
|
|
|
ieee80211_send_nullfunc(local, sdata, 1);
|
|
|
|
}
|
|
|
|
} else
|
|
|
|
netif_tx_stop_all_queues(sdata->dev);
|
|
|
|
}
|
2009-01-22 18:07:31 +01:00
|
|
|
mutex_unlock(&local->iflist_mtx);
|
2008-09-08 17:44:25 +02:00
|
|
|
|
|
|
|
local->scan_state = SCAN_SET_CHANNEL;
|
|
|
|
local->scan_channel_idx = 0;
|
|
|
|
local->scan_sdata = scan_sdata;
|
2009-02-10 21:25:55 +01:00
|
|
|
local->scan_req = req;
|
2008-09-08 17:44:25 +02:00
|
|
|
|
|
|
|
netif_addr_lock_bh(local->mdev);
|
|
|
|
local->filter_flags |= FIF_BCN_PRBRESP_PROMISC;
|
|
|
|
local->ops->configure_filter(local_to_hw(local),
|
|
|
|
FIF_BCN_PRBRESP_PROMISC,
|
|
|
|
&local->filter_flags,
|
|
|
|
local->mdev->mc_count,
|
|
|
|
local->mdev->mc_list);
|
|
|
|
netif_addr_unlock_bh(local->mdev);
|
|
|
|
|
|
|
|
/* TODO: start scan as soon as all nullfunc frames are ACKed */
|
|
|
|
queue_delayed_work(local->hw.workqueue, &local->scan_work,
|
|
|
|
IEEE80211_CHANNEL_TIME);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-09-11 00:01:55 +02:00
|
|
|
int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
|
2009-02-10 21:25:55 +01:00
|
|
|
struct cfg80211_scan_request *req)
|
2008-09-08 17:44:25 +02:00
|
|
|
{
|
|
|
|
struct ieee80211_local *local = sdata->local;
|
2009-02-15 12:44:28 +01:00
|
|
|
struct ieee80211_if_managed *ifmgd;
|
2008-09-08 17:44:25 +02:00
|
|
|
|
2009-02-10 21:25:55 +01:00
|
|
|
if (!req)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
if (local->scan_req && local->scan_req != req)
|
|
|
|
return -EBUSY;
|
|
|
|
|
|
|
|
local->scan_req = req;
|
|
|
|
|
2008-09-11 00:01:58 +02:00
|
|
|
if (sdata->vif.type != NL80211_IFTYPE_STATION)
|
2009-02-10 21:25:55 +01:00
|
|
|
return ieee80211_start_scan(sdata, req);
|
2008-09-08 17:44:25 +02:00
|
|
|
|
2008-09-08 17:47:23 +02:00
|
|
|
/*
|
|
|
|
* STA has a state machine that might need to defer scanning
|
|
|
|
* while it's trying to associate/authenticate, therefore we
|
|
|
|
* queue it up to the state machine in that case.
|
|
|
|
*/
|
|
|
|
|
2008-09-11 00:01:55 +02:00
|
|
|
if (local->sw_scanning || local->hw_scanning) {
|
2008-09-08 17:44:25 +02:00
|
|
|
if (local->scan_sdata == sdata)
|
|
|
|
return 0;
|
|
|
|
return -EBUSY;
|
|
|
|
}
|
|
|
|
|
2009-02-15 12:44:28 +01:00
|
|
|
ifmgd = &sdata->u.mgd;
|
|
|
|
set_bit(IEEE80211_STA_REQ_SCAN, &ifmgd->request);
|
|
|
|
queue_work(local->hw.workqueue, &ifmgd->work);
|
2008-09-08 17:47:23 +02:00
|
|
|
|
2008-09-08 17:44:25 +02:00
|
|
|
return 0;
|
|
|
|
}
|