diff options
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/cfg.c | 13 | ||||
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 1 | ||||
| -rw-r--r-- | net/mac80211/iface.c | 10 | ||||
| -rw-r--r-- | net/mac80211/main.c | 30 | ||||
| -rw-r--r-- | net/mac80211/mlme.c | 20 | ||||
| -rw-r--r-- | net/mac80211/rx.c | 35 | ||||
| -rw-r--r-- | net/mac80211/tx.c | 11 | ||||
| -rw-r--r-- | net/mac80211/util.c | 1 | ||||
| -rw-r--r-- | net/mac80211/wext.c | 120 |
9 files changed, 98 insertions, 143 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 16423f9..7a7a6c1 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1095,6 +1095,18 @@ static int ieee80211_set_txq_params(struct wiphy *wiphy, return 0; } +static int ieee80211_set_channel(struct wiphy *wiphy, + struct ieee80211_channel *chan, + enum nl80211_sec_chan_offset sec_chan_offset) +{ + struct ieee80211_local *local = wiphy_priv(wiphy); + + local->oper_channel = chan; + local->oper_sec_chan_offset = sec_chan_offset; + + return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); +} + struct cfg80211_ops mac80211_config_ops = { .add_virtual_intf = ieee80211_add_iface, .del_virtual_intf = ieee80211_del_iface, @@ -1122,4 +1134,5 @@ struct cfg80211_ops mac80211_config_ops = { #endif .change_bss = ieee80211_change_bss, .set_txq_params = ieee80211_set_txq_params, + .set_channel = ieee80211_set_channel, }; diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 155a2041..527205f 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -626,6 +626,7 @@ struct ieee80211_local { struct delayed_work scan_work; struct ieee80211_sub_if_data *scan_sdata; struct ieee80211_channel *oper_channel, *scan_channel; + enum nl80211_sec_chan_offset oper_sec_chan_offset; u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; size_t scan_ssid_len; struct list_head bss_list; diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 4608212..5abbc3f 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -435,7 +435,11 @@ static int ieee80211_stop(struct net_device *dev) break; case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_ADHOC: - sdata->u.sta.state = IEEE80211_STA_MLME_DISABLED; + /* Announce that we are leaving the network. */ + if (sdata->u.sta.state != IEEE80211_STA_MLME_DISABLED) + ieee80211_sta_deauthenticate(sdata, + WLAN_REASON_DEAUTH_LEAVING); + memset(sdata->u.sta.bssid, 0, ETH_ALEN); del_timer_sync(&sdata->u.sta.timer); /* @@ -694,6 +698,10 @@ int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, if (type == sdata->vif.type) return 0; + /* Setting ad-hoc mode on non-IBSS channel is not supported. */ + if (sdata->local->oper_channel->flags & IEEE80211_CHAN_NO_IBSS) + return -EOPNOTSUPP; + /* * We could, here, on changes between IBSS/STA/MESH modes, * invoke an MLME function instead that disassociates etc. diff --git a/net/mac80211/main.c b/net/mac80211/main.c index cec9b6d..29c3ecf 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -195,20 +195,42 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed) struct ieee80211_channel *chan; int ret = 0; int power; + enum nl80211_sec_chan_offset sec_chan_offset; might_sleep(); - if (local->sw_scanning) + if (local->sw_scanning) { chan = local->scan_channel; - else + sec_chan_offset = NL80211_SEC_CHAN_NO_HT; + } else { chan = local->oper_channel; + sec_chan_offset = local->oper_sec_chan_offset; + } - if (chan != local->hw.conf.channel) { + if (chan != local->hw.conf.channel || + sec_chan_offset != local->hw.conf.ht.sec_chan_offset) { local->hw.conf.channel = chan; + switch (sec_chan_offset) { + case NL80211_SEC_CHAN_NO_HT: + local->hw.conf.ht.enabled = false; + local->hw.conf.ht.sec_chan_offset = 0; + break; + case NL80211_SEC_CHAN_DISABLED: + local->hw.conf.ht.enabled = true; + local->hw.conf.ht.sec_chan_offset = 0; + break; + case NL80211_SEC_CHAN_BELOW: + local->hw.conf.ht.enabled = true; + local->hw.conf.ht.sec_chan_offset = -1; + break; + case NL80211_SEC_CHAN_ABOVE: + local->hw.conf.ht.enabled = true; + local->hw.conf.ht.sec_chan_offset = 1; + break; + } changed |= IEEE80211_CONF_CHANGE_CHANNEL; } - if (!local->hw.conf.power_level) power = chan->max_power; else diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 7600ac9..87b2ac8 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -855,16 +855,26 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, if (self_disconnected || reason == WLAN_REASON_DISASSOC_STA_HAS_LEFT) ifsta->state = IEEE80211_STA_MLME_DISABLED; - sta_info_unlink(&sta); - rcu_read_unlock(); - sta_info_destroy(sta); - local->hw.conf.ht.enabled = false; ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_HT); ieee80211_bss_info_change_notify(sdata, changed); + + rcu_read_lock(); + + sta = sta_info_get(local, ifsta->bssid); + if (!sta) { + rcu_read_unlock(); + return; + } + + sta_info_unlink(&sta); + + rcu_read_unlock(); + + sta_info_destroy(sta); } static int ieee80211_sta_wep_configured(struct ieee80211_sub_if_data *sdata) @@ -2002,7 +2012,7 @@ static int ieee80211_sta_match_ssid(struct ieee80211_if_sta *ifsta, } } - if (hidden_ssid && ifsta->ssid_len == ssid_len) + if (hidden_ssid && (ifsta->ssid_len == ssid_len || ssid_len == 0)) return 1; if (ssid_len == 1 && ssid[0] == ' ') diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 648a1d0..14be095 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -654,9 +654,13 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx) static void ap_sta_ps_start(struct sta_info *sta) { struct ieee80211_sub_if_data *sdata = sta->sdata; + struct ieee80211_local *local = sdata->local; atomic_inc(&sdata->bss->num_sta_ps); set_and_clear_sta_flags(sta, WLAN_STA_PS, WLAN_STA_PSPOLL); + if (local->ops->sta_notify_ps) + local->ops->sta_notify_ps(local_to_hw(local), STA_NOTIFY_SLEEP, + &sta->sta); #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG printk(KERN_DEBUG "%s: STA %pM aid %d enters power save mode\n", sdata->dev->name, sta->sta.addr, sta->sta.aid); @@ -673,6 +677,9 @@ static int ap_sta_ps_end(struct sta_info *sta) atomic_dec(&sdata->bss->num_sta_ps); clear_sta_flags(sta, WLAN_STA_PS | WLAN_STA_PSPOLL); + if (local->ops->sta_notify_ps) + local->ops->sta_notify_ps(local_to_hw(local), STA_NOTIFY_AWAKE, + &sta->sta); if (!skb_queue_empty(&sta->ps_tx_buf)) sta_info_clear_tim_bit(sta); @@ -741,17 +748,29 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx) sta->last_qual = rx->status->qual; sta->last_noise = rx->status->noise; + /* + * Change STA power saving mode only at the end of a frame + * exchange sequence. + */ if (!ieee80211_has_morefrags(hdr->frame_control) && (rx->sdata->vif.type == NL80211_IFTYPE_AP || rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN)) { - /* Change STA power saving mode only in the end of a frame - * exchange sequence */ - if (test_sta_flags(sta, WLAN_STA_PS) && - !ieee80211_has_pm(hdr->frame_control)) - rx->sent_ps_buffered += ap_sta_ps_end(sta); - else if (!test_sta_flags(sta, WLAN_STA_PS) && - ieee80211_has_pm(hdr->frame_control)) - ap_sta_ps_start(sta); + if (test_sta_flags(sta, WLAN_STA_PS)) { + /* + * Ignore doze->wake transitions that are + * indicated by non-data frames, the standard + * is unclear here, but for example going to + * PS mode and then scanning would cause a + * doze->wake transition for the probe request, + * and that is clearly undesirable. + */ + if (ieee80211_is_data(hdr->frame_control) && + !ieee80211_has_pm(hdr->frame_control)) + rx->sent_ps_buffered += ap_sta_ps_end(sta); + } else { + if (ieee80211_has_pm(hdr->frame_control)) + ap_sta_ps_start(sta); + } } /* Drop data::nullfunc frames silently, since they are used only to diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 0d81b2c..d7761e9 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1779,8 +1779,7 @@ void ieee80211_tx_pending(unsigned long data) /* functions for drivers to get certain frames */ -static void ieee80211_beacon_add_tim(struct ieee80211_local *local, - struct ieee80211_if_ap *bss, +static void ieee80211_beacon_add_tim(struct ieee80211_if_ap *bss, struct sk_buff *skb, struct beacon_data *beacon) { @@ -1848,7 +1847,6 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, struct ieee80211_local *local = hw_to_local(hw); struct sk_buff *skb = NULL; struct ieee80211_tx_info *info; - struct net_device *bdev; struct ieee80211_sub_if_data *sdata = NULL; struct ieee80211_if_ap *ap = NULL; struct ieee80211_if_sta *ifsta = NULL; @@ -1861,7 +1859,6 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, rcu_read_lock(); sdata = vif_to_sdata(vif); - bdev = sdata->dev; if (sdata->vif.type == NL80211_IFTYPE_AP) { ap = &sdata->u.ap; @@ -1889,12 +1886,12 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, * of the tim bitmap in mac80211 and the driver. */ if (local->tim_in_locked_section) { - ieee80211_beacon_add_tim(local, ap, skb, beacon); + ieee80211_beacon_add_tim(ap, skb, beacon); } else { unsigned long flags; spin_lock_irqsave(&local->sta_lock, flags); - ieee80211_beacon_add_tim(local, ap, skb, beacon); + ieee80211_beacon_add_tim(ap, skb, beacon); spin_unlock_irqrestore(&local->sta_lock, flags); } @@ -2016,14 +2013,12 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw, struct sk_buff *skb = NULL; struct sta_info *sta; struct ieee80211_tx_data tx; - struct net_device *bdev; struct ieee80211_sub_if_data *sdata; struct ieee80211_if_ap *bss = NULL; struct beacon_data *beacon; struct ieee80211_tx_info *info; sdata = vif_to_sdata(vif); - bdev = sdata->dev; bss = &sdata->u.ap; if (!bss) diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 0f84131..505d68f 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -641,6 +641,7 @@ int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freqMHz) chan->flags & IEEE80211_CHAN_NO_IBSS) return ret; local->oper_channel = chan; + local->oper_sec_chan_offset = NL80211_SEC_CHAN_NO_HT; if (local->sw_scanning || local->hw_scanning) ret = 0; diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c index b3ce28d..4e1fdcf 100644 --- a/net/mac80211/wext.c +++ b/net/mac80211/wext.c @@ -135,48 +135,6 @@ static int ieee80211_ioctl_siwgenie(struct net_device *dev, return -EOPNOTSUPP; } -static int ieee80211_ioctl_giwname(struct net_device *dev, - struct iw_request_info *info, - char *name, char *extra) -{ - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_supported_band *sband; - u8 is_ht = 0, is_a = 0, is_b = 0, is_g = 0; - - - sband = local->hw.wiphy->bands[IEEE80211_BAND_5GHZ]; - if (sband) { - is_a = 1; - is_ht |= sband->ht_cap.ht_supported; - } - - sband = local->hw.wiphy->bands[IEEE80211_BAND_2GHZ]; - if (sband) { - int i; - /* Check for mandatory rates */ - for (i = 0; i < sband->n_bitrates; i++) { - if (sband->bitrates[i].bitrate == 10) - is_b = 1; - if (sband->bitrates[i].bitrate == 60) - is_g = 1; - } - is_ht |= sband->ht_cap.ht_supported; - } - - strcpy(name, "IEEE 802.11"); - if (is_a) - strcat(name, "a"); - if (is_b) - strcat(name, "b"); - if (is_g) - strcat(name, "g"); - if (is_ht) - strcat(name, "n"); - - return 0; -} - - static int ieee80211_ioctl_giwrange(struct net_device *dev, struct iw_request_info *info, struct iw_point *data, char *extra) @@ -266,78 +224,6 @@ static int ieee80211_ioctl_giwrange(struct net_device *dev, } -static int ieee80211_ioctl_siwmode(struct net_device *dev, - struct iw_request_info *info, - __u32 *mode, char *extra) -{ - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - struct ieee80211_local *local = sdata->local; - int type; - - if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) - return -EOPNOTSUPP; - - switch (*mode) { - case IW_MODE_INFRA: - type = NL80211_IFTYPE_STATION; - break; - case IW_MODE_ADHOC: - /* Setting ad-hoc mode on non ibss channel is not - * supported. - */ - if (local->oper_channel && - (local->oper_channel->flags & IEEE80211_CHAN_NO_IBSS)) - return -EOPNOTSUPP; - - type = NL80211_IFTYPE_ADHOC; - break; - case IW_MODE_REPEAT: - type = NL80211_IFTYPE_WDS; - break; - case IW_MODE_MONITOR: - type = NL80211_IFTYPE_MONITOR; - break; - default: - return -EINVAL; - } - - return ieee80211_if_change_type(sdata, type); -} - - -static int ieee80211_ioctl_giwmode(struct net_device *dev, - struct iw_request_info *info, - __u32 *mode, char *extra) -{ - struct ieee80211_sub_if_data *sdata; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); - switch (sdata->vif.type) { - case NL80211_IFTYPE_AP: - *mode = IW_MODE_MASTER; - break; - case NL80211_IFTYPE_STATION: - *mode = IW_MODE_INFRA; - break; - case NL80211_IFTYPE_ADHOC: - *mode = IW_MODE_ADHOC; - break; - case NL80211_IFTYPE_MONITOR: - *mode = IW_MODE_MONITOR; - break; - case NL80211_IFTYPE_WDS: - *mode = IW_MODE_REPEAT; - break; - case NL80211_IFTYPE_AP_VLAN: - *mode = IW_MODE_SECOND; /* FIXME */ - break; - default: - *mode = IW_MODE_AUTO; - break; - } - return 0; -} - static int ieee80211_ioctl_siwfreq(struct net_device *dev, struct iw_request_info *info, struct iw_freq *freq, char *extra) @@ -1146,13 +1032,13 @@ static int ieee80211_ioctl_siwencodeext(struct net_device *dev, static const iw_handler ieee80211_handler[] = { (iw_handler) NULL, /* SIOCSIWCOMMIT */ - (iw_handler) ieee80211_ioctl_giwname, /* SIOCGIWNAME */ + (iw_handler) cfg80211_wext_giwname, /* SIOCGIWNAME */ (iw_handler) NULL, /* SIOCSIWNWID */ (iw_handler) NULL, /* SIOCGIWNWID */ (iw_handler) ieee80211_ioctl_siwfreq, /* SIOCSIWFREQ */ (iw_handler) ieee80211_ioctl_giwfreq, /* SIOCGIWFREQ */ - (iw_handler) ieee80211_ioctl_siwmode, /* SIOCSIWMODE */ - (iw_handler) ieee80211_ioctl_giwmode, /* SIOCGIWMODE */ + (iw_handler) cfg80211_wext_siwmode, /* SIOCSIWMODE */ + (iw_handler) cfg80211_wext_giwmode, /* SIOCGIWMODE */ (iw_handler) NULL, /* SIOCSIWSENS */ (iw_handler) NULL, /* SIOCGIWSENS */ (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */ |