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mac80211: add unified BSS configuration 

This patch (based on Ron Rindjunsky's) creates a framework for
a unified way to pass BSS configuration to drivers that require
the information, e.g. for implementing power save mode.

This patch introduces new ieee80211_bss_conf structure that is
passed to the driver via the new bss_info_changed() callback
when the BSS configuration changes.

This new BSS configuration infrastructure adds the following
new features:
 * drivers are notified of their association AID
 * drivers are notified of association status

and replaces the erp_ie_changed() callback. The patch also does
the relevant driver updates for the latter change.

Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2007-12-28 14:32:58 +01:00 committed by David S. Miller
parent 2bc454b0b3
commit 471b3efdfc
19 changed files with 183 additions and 120 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/wireless/iwlwifi/iwl-3945.c
View File

@ -520,10 +520,8 @@ static void iwl3945_rx_reply_rx(struct iwl3945_priv *priv,
break;
/*
* TODO: There is no callback function from upper
* stack to inform us when associated status. this
* work around to sniff assoc_resp management frame
* and finish the association process.
* TODO: Use the new callback function from
* mac80211 instead of sniffing these packets.
*/
case IEEE80211_STYPE_ASSOC_RESP:
case IEEE80211_STYPE_REASSOC_RESP:{

6
drivers/net/wireless/iwlwifi/iwl-4965.c
View File

@ -4095,10 +4095,8 @@ static void iwl4965_rx_reply_rx(struct iwl4965_priv *priv,
break;
/*
* TODO: There is no callback function from upper
* stack to inform us when associated status. this
* work around to sniff assoc_resp management frame
* and finish the association process.
* TODO: Use the new callback function from
* mac80211 instead of sniffing these packets.
*/
case IEEE80211_STYPE_ASSOC_RESP:
case IEEE80211_STYPE_REASSOC_RESP:

24
drivers/net/wireless/iwlwifi/iwl4965-base.c
View File

@ -7764,25 +7764,35 @@ static void iwl4965_mac_remove_interface(struct ieee80211_hw *hw,
IWL_DEBUG_MAC80211("leave\n");
}
static void iwl4965_mac_erp_ie_changed(struct ieee80211_hw *hw,
u8 changes, int cts_protection, int preamble)
static void iwl4965_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf,
u32 changes)
{
struct iwl4965_priv *priv = hw->priv;
if (changes & IEEE80211_ERP_CHANGE_PREAMBLE) {
if (preamble == WLAN_ERP_PREAMBLE_SHORT)
if (changes & BSS_CHANGED_ERP_PREAMBLE) {
if (bss_conf->use_short_preamble)
priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
else
priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
}
if (changes & IEEE80211_ERP_CHANGE_PROTECTION) {
if (cts_protection && (priv->phymode != MODE_IEEE80211A))
if (changes & BSS_CHANGED_ERP_CTS_PROT) {
if (bss_conf->use_cts_prot && (priv->phymode != MODE_IEEE80211A))
priv->staging_rxon.flags |= RXON_FLG_TGG_PROTECT_MSK;
else
priv->staging_rxon.flags &= ~RXON_FLG_TGG_PROTECT_MSK;
}
if (changes & BSS_CHANGED_ASSOC) {
/*
* TODO:
* do stuff instead of sniffing assoc resp
*/
}
if (iwl4965_is_associated(priv))
iwl4965_send_rxon_assoc(priv);
}
@ -8952,7 +8962,7 @@ static struct ieee80211_ops iwl4965_hw_ops = {
.get_tsf = iwl4965_mac_get_tsf,
.reset_tsf = iwl4965_mac_reset_tsf,
.beacon_update = iwl4965_mac_beacon_update,
.erp_ie_changed = iwl4965_mac_erp_ie_changed,
.bss_info_changed = iwl4965_bss_info_changed,
#ifdef CONFIG_IWL4965_HT
.conf_ht = iwl4965_mac_conf_ht,
.ampdu_action = iwl4965_mac_ampdu_action,

2
drivers/net/wireless/rt2x00/rt2400pci.c
View File

@ -1524,7 +1524,7 @@ static const struct ieee80211_ops rt2400pci_mac80211_ops = {
.configure_filter = rt2400pci_configure_filter,
.get_stats = rt2x00mac_get_stats,
.set_retry_limit = rt2400pci_set_retry_limit,
.erp_ie_changed = rt2x00mac_erp_ie_changed,
.bss_info_changed = rt2x00mac_bss_info_changed,
.conf_tx = rt2400pci_conf_tx,
.get_tx_stats = rt2x00mac_get_tx_stats,
.get_tsf = rt2400pci_get_tsf,

2
drivers/net/wireless/rt2x00/rt2500pci.c
View File

@ -1835,7 +1835,7 @@ static const struct ieee80211_ops rt2500pci_mac80211_ops = {
.configure_filter = rt2500pci_configure_filter,
.get_stats = rt2x00mac_get_stats,
.set_retry_limit = rt2500pci_set_retry_limit,
.erp_ie_changed = rt2x00mac_erp_ie_changed,
.bss_info_changed = rt2x00mac_bss_info_changed,
.conf_tx = rt2x00mac_conf_tx,
.get_tx_stats = rt2x00mac_get_tx_stats,
.get_tsf = rt2500pci_get_tsf,

2
drivers/net/wireless/rt2x00/rt2500usb.c
View File

@ -1776,7 +1776,7 @@ static const struct ieee80211_ops rt2500usb_mac80211_ops = {
.config_interface = rt2x00mac_config_interface,
.configure_filter = rt2500usb_configure_filter,
.get_stats = rt2x00mac_get_stats,
.erp_ie_changed = rt2x00mac_erp_ie_changed,
.bss_info_changed = rt2x00mac_bss_info_changed,
.conf_tx = rt2x00mac_conf_tx,
.get_tx_stats = rt2x00mac_get_tx_stats,
.beacon_update = rt2500usb_beacon_update,

6
drivers/net/wireless/rt2x00/rt2x00.h
View File

@ -936,8 +936,10 @@ int rt2x00mac_get_stats(struct ieee80211_hw *hw,
struct ieee80211_low_level_stats *stats);
int rt2x00mac_get_tx_stats(struct ieee80211_hw *hw,
struct ieee80211_tx_queue_stats *stats);
void rt2x00mac_erp_ie_changed(struct ieee80211_hw *hw, u8 changes,
int cts_protection, int preamble);
void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf,
u32 changes);
int rt2x00mac_conf_tx(struct ieee80211_hw *hw, int queue,
const struct ieee80211_tx_queue_params *params);

13
drivers/net/wireless/rt2x00/rt2x00dev.c
View File

@ -481,10 +481,17 @@ static void rt2x00lib_configuration_scheduled(struct work_struct *work)
{
struct rt2x00_dev *rt2x00dev =
container_of(work, struct rt2x00_dev, config_work);
int preamble = !test_bit(CONFIG_SHORT_PREAMBLE, &rt2x00dev->flags);
struct ieee80211_bss_conf bss_conf;
rt2x00mac_erp_ie_changed(rt2x00dev->hw,
IEEE80211_ERP_CHANGE_PREAMBLE, 0, preamble);
bss_conf.use_short_preamble =
test_bit(CONFIG_SHORT_PREAMBLE, &rt2x00dev->flags);
/*
* FIXME: shouldn't invoke it this way because all other contents
* of bss_conf is invalid.
*/
rt2x00mac_bss_info_changed(rt2x00dev->hw, rt2x00dev->interface.id,
&bss_conf, BSS_CHANGED_ERP_PREAMBLE);
}
/*

16
drivers/net/wireless/rt2x00/rt2x00mac.c
View File

@ -342,23 +342,27 @@ int rt2x00mac_get_tx_stats(struct ieee80211_hw *hw,
}
EXPORT_SYMBOL_GPL(rt2x00mac_get_tx_stats);
void rt2x00mac_erp_ie_changed(struct ieee80211_hw *hw, u8 changes,
int cts_protection, int preamble)
void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf,
u32 changes)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
int short_preamble;
int ack_timeout;
int ack_consume_time;
int difs;
int preamble;
/*
* We only support changing preamble mode.
*/
if (!(changes & IEEE80211_ERP_CHANGE_PREAMBLE))
if (!(changes & BSS_CHANGED_ERP_PREAMBLE))
return;
short_preamble = !preamble;
preamble = !!(preamble) ? PREAMBLE : SHORT_PREAMBLE;
short_preamble = bss_conf->use_short_preamble;
preamble = bss_conf->use_short_preamble ?
SHORT_PREAMBLE : PREAMBLE;
difs = (hw->conf.flags & IEEE80211_CONF_SHORT_SLOT_TIME) ?
SHORT_DIFS : DIFS;
@ -374,7 +378,7 @@ void rt2x00mac_erp_ie_changed(struct ieee80211_hw *hw, u8 changes,
rt2x00dev->ops->lib->config_preamble(rt2x00dev, short_preamble,
ack_timeout, ack_consume_time);
}
EXPORT_SYMBOL_GPL(rt2x00mac_erp_ie_changed);
EXPORT_SYMBOL_GPL(rt2x00mac_bss_info_changed);
int rt2x00mac_conf_tx(struct ieee80211_hw *hw, int queue,
const struct ieee80211_tx_queue_params *params)

2
drivers/net/wireless/rt2x00/rt61pci.c
View File

@ -2441,7 +2441,7 @@ static const struct ieee80211_ops rt61pci_mac80211_ops = {
.configure_filter = rt61pci_configure_filter,
.get_stats = rt2x00mac_get_stats,
.set_retry_limit = rt61pci_set_retry_limit,
.erp_ie_changed = rt2x00mac_erp_ie_changed,
.bss_info_changed = rt2x00mac_bss_info_changed,
.conf_tx = rt2x00mac_conf_tx,
.get_tx_stats = rt2x00mac_get_tx_stats,
.get_tsf = rt61pci_get_tsf,

2
drivers/net/wireless/rt2x00/rt73usb.c
View File

@ -2024,7 +2024,7 @@ static const struct ieee80211_ops rt73usb_mac80211_ops = {
.configure_filter = rt73usb_configure_filter,
.get_stats = rt2x00mac_get_stats,
.set_retry_limit = rt73usb_set_retry_limit,
.erp_ie_changed = rt2x00mac_erp_ie_changed,
.bss_info_changed = rt2x00mac_bss_info_changed,
.conf_tx = rt2x00mac_conf_tx,
.get_tx_stats = rt2x00mac_get_tx_stats,
.get_tsf = rt73usb_get_tsf,

12
drivers/net/wireless/zd1211rw/zd_mac.c
View File

@ -849,17 +849,19 @@ static void set_rts_cts_work(struct work_struct *work)
mutex_unlock(&mac->chip.mutex);
}
static void zd_op_erp_ie_changed(struct ieee80211_hw *hw, u8 changes,
int cts_protection, int preamble)
static void zd_op_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf,
u32 changes)
{
struct zd_mac *mac = zd_hw_mac(hw);
unsigned long flags;
dev_dbg_f(zd_mac_dev(mac), "changes: %x\n", changes);
if (changes & IEEE80211_ERP_CHANGE_PREAMBLE) {
if (changes & BSS_CHANGED_ERP_PREAMBLE) {
spin_lock_irqsave(&mac->lock, flags);
mac->short_preamble = !preamble;
mac->short_preamble = bss_conf->use_short_preamble;
if (!mac->updating_rts_rate) {
mac->updating_rts_rate = 1;
/* FIXME: should disable TX here, until work has
@ -879,7 +881,7 @@ static const struct ieee80211_ops zd_ops = {
.config = zd_op_config,
.config_interface = zd_op_config_interface,
.configure_filter = zd_op_configure_filter,
.erp_ie_changed = zd_op_erp_ie_changed,
.bss_info_changed = zd_op_bss_info_changed,
};
struct ieee80211_hw *zd_mac_alloc_hw(struct usb_interface *intf)

66
include/net/mac80211.h
View File

@ -275,6 +275,43 @@ struct ieee80211_low_level_stats {
unsigned int dot11RTSSuccessCount;
};
/**
* enum ieee80211_bss_change - BSS change notification flags
*
* These flags are used with the bss_info_changed() callback
* to indicate which BSS parameter changed.
*
* @BSS_CHANGED_ASSOC: association status changed (associated/disassociated),
* also implies a change in the AID.
* @BSS_CHANGED_ERP_CTS_PROT: CTS protection changed
* @BSS_CHANGED_ERP_PREAMBLE: preamble changed
*/
enum ieee80211_bss_change {
BSS_CHANGED_ASSOC = 1<<0,
BSS_CHANGED_ERP_CTS_PROT = 1<<1,
BSS_CHANGED_ERP_PREAMBLE = 1<<2,
};
/**
* struct ieee80211_bss_conf - holds the BSS's changing parameters
*
* This structure keeps information about a BSS (and an association
* to that BSS) that can change during the lifetime of the BSS.
*
* @assoc: association status
* @aid: association ID number, valid only when @assoc is true
* @use_cts_prot: use CTS protection
* @use_short_preamble: use 802.11b short preamble
*/
struct ieee80211_bss_conf {
/* association related data */
bool assoc;
u16 aid;
/* erp related data */
bool use_cts_prot;
bool use_short_preamble;
};
/* Transmit control fields. This data structure is passed to low-level driver
* with each TX frame. The low-level driver is responsible for configuring
* the hardware to use given values (depending on what is supported). */
@ -923,19 +960,6 @@ enum ieee80211_filter_flags {
FIF_OTHER_BSS = 1<<6,
};
/**
* enum ieee80211_erp_change_flags - erp change flags
*
* These flags are used with the erp_ie_changed() callback in
* &struct ieee80211_ops to indicate which parameter(s) changed.
* @IEEE80211_ERP_CHANGE_PROTECTION: protection changed
* @IEEE80211_ERP_CHANGE_PREAMBLE: barker preamble mode changed
*/
enum ieee80211_erp_change_flags {
IEEE80211_ERP_CHANGE_PROTECTION = 1<<0,
IEEE80211_ERP_CHANGE_PREAMBLE = 1<<1,
};
/**
* enum ieee80211_ampdu_mlme_action - A-MPDU actions
*
@ -1004,6 +1028,14 @@ enum ieee80211_ampdu_mlme_action {
* @config_interface: Handler for configuration requests related to interfaces
* (e.g. BSSID changes.)
*
* @bss_info_changed: Handler for configuration requests related to BSS
* parameters that may vary during BSS's lifespan, and may affect low
* level driver (e.g. assoc/disassoc status, erp parameters).
* This function should not be used if no BSS has been set, unless
* for association indication. The @changed parameter indicates which
* of the bss parameters has changed when a call is made. This callback
* has to be atomic.
*
* @configure_filter: Configure the device's RX filter.
* See the section "Frame filtering" for more information.
* This callback must be implemented and atomic.
@ -1038,8 +1070,6 @@ enum ieee80211_ampdu_mlme_action {
* @sta_notify: Notifies low level driver about addition or removal
* of assocaited station or AP.
*
* @erp_ie_changed: Handle ERP IE change notifications. Must be atomic.
*
* @conf_tx: Configure TX queue parameters (EDCF (aifs, cw_min, cw_max),
* bursting) for a hardware TX queue. The @queue parameter uses the
* %IEEE80211_TX_QUEUE_* constants. Must be atomic.
@ -1096,6 +1126,10 @@ struct ieee80211_ops {
int (*config_interface)(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_if_conf *conf);
void (*bss_info_changed)(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *info,
u32 changed);
void (*configure_filter)(struct ieee80211_hw *hw,
unsigned int changed_flags,
unsigned int *total_flags,
@ -1115,8 +1149,6 @@ struct ieee80211_ops {
u32 short_retry, u32 long_retr);
void (*sta_notify)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
enum sta_notify_cmd, const u8 *addr);
void (*erp_ie_changed)(struct ieee80211_hw *hw, u8 changes,
int cts_protection, int preamble);
int (*conf_tx)(struct ieee80211_hw *hw, int queue,
const struct ieee80211_tx_queue_params *params);
int (*get_tx_stats)(struct ieee80211_hw *hw,

2
net/mac80211/debugfs_netdev.c
View File

@ -118,7 +118,7 @@ static ssize_t ieee80211_if_fmt_flags(
sdata->u.sta.flags & IEEE80211_STA_AUTHENTICATED ? "AUTH\n" : "",
sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED ? "ASSOC\n" : "",
sdata->u.sta.flags & IEEE80211_STA_PROBEREQ_POLL ? "PROBEREQ POLL\n" : "",
sdata->flags & IEEE80211_SDATA_USE_PROTECTION ? "CTS prot\n" : "");
sdata->bss_conf.use_cts_prot ? "CTS prot\n" : "");
}
__IEEE80211_IF_FILE(flags);

29
net/mac80211/ieee80211.c
View File

@ -635,25 +635,30 @@ int ieee80211_hw_config_ht(struct ieee80211_local *local, int enable_ht,
return 0;
}
void ieee80211_erp_info_change_notify(struct net_device *dev, u8 changes)
void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
u32 changed)
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (local->ops->erp_ie_changed)
local->ops->erp_ie_changed(local_to_hw(local), changes,
!!(sdata->flags & IEEE80211_SDATA_USE_PROTECTION),
!(sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE));
struct ieee80211_local *local = sdata->local;
if (!changed)
return;
if (local->ops->bss_info_changed)
local->ops->bss_info_changed(local_to_hw(local),
&sdata->vif,
&sdata->bss_conf,
changed);
}
void ieee80211_reset_erp_info(struct net_device *dev)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
sdata->flags &= ~(IEEE80211_SDATA_USE_PROTECTION |
IEEE80211_SDATA_SHORT_PREAMBLE);
ieee80211_erp_info_change_notify(dev,
IEEE80211_ERP_CHANGE_PROTECTION |
IEEE80211_ERP_CHANGE_PREAMBLE);
sdata->bss_conf.use_cts_prot = 0;
sdata->bss_conf.use_short_preamble = 0;
ieee80211_bss_info_change_notify(sdata,
BSS_CHANGED_ERP_CTS_PROT |
BSS_CHANGED_ERP_PREAMBLE);
}
void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw,

19
net/mac80211/ieee80211_i.h
View File

@ -291,12 +291,7 @@ struct ieee80211_if_sta {
/* flags used in struct ieee80211_sub_if_data.flags */
#define IEEE80211_SDATA_ALLMULTI BIT(0)
#define IEEE80211_SDATA_PROMISC BIT(1)
#define IEEE80211_SDATA_USE_PROTECTION BIT(2) /* CTS protect ERP frames */
/* use short preamble with IEEE 802.11b: this flag is set when the AP or beacon
* generator reports that there are no present stations that cannot support short
* preambles */
#define IEEE80211_SDATA_SHORT_PREAMBLE BIT(3)
#define IEEE80211_SDATA_USERSPACE_MLME BIT(4)
#define IEEE80211_SDATA_USERSPACE_MLME BIT(2)
struct ieee80211_sub_if_data {
struct list_head list;
@ -327,6 +322,15 @@ struct ieee80211_sub_if_data {
struct ieee80211_key *keys[NUM_DEFAULT_KEYS];
struct ieee80211_key *default_key;
/*
* BSS configuration for this interface.
*
* FIXME: I feel bad putting this here when we already have a
* bss pointer, but the bss pointer is just wrong when
* you have multiple virtual STA mode interfaces...
* This needs to be fixed.
*/
struct ieee80211_bss_conf bss_conf;
struct ieee80211_if_ap *bss; /* BSS that this device belongs to */
union {
@ -770,7 +774,8 @@ struct sta_info * ieee80211_ibss_add_sta(struct net_device *dev,
u8 *addr);
int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason);
int ieee80211_sta_disassociate(struct net_device *dev, u16 reason);
void ieee80211_erp_info_change_notify(struct net_device *dev, u8 changes);
void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
u32 changed);
void ieee80211_reset_erp_info(struct net_device *dev);
int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie,
struct ieee80211_ht_info *ht_info);

69
net/mac80211/ieee80211_sta.c
View File

@ -313,48 +313,42 @@ static void ieee80211_sta_wmm_params(struct net_device *dev,
}
static void ieee80211_handle_erp_ie(struct net_device *dev, u8 erp_value)
static u32 ieee80211_handle_erp_ie(struct ieee80211_sub_if_data *sdata,
u8 erp_value)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
struct ieee80211_if_sta *ifsta = &sdata->u.sta;
int use_protection = (erp_value & WLAN_ERP_USE_PROTECTION) != 0;
int preamble_mode = (erp_value & WLAN_ERP_BARKER_PREAMBLE) != 0;
u8 changes = 0;
bool use_protection = (erp_value & WLAN_ERP_USE_PROTECTION) != 0;
bool preamble_mode = (erp_value & WLAN_ERP_BARKER_PREAMBLE) != 0;
DECLARE_MAC_BUF(mac);
u32 changed = 0;
if (use_protection != !!(sdata->flags & IEEE80211_SDATA_USE_PROTECTION)) {
if (use_protection != bss_conf->use_cts_prot) {
if (net_ratelimit()) {
printk(KERN_DEBUG "%s: CTS protection %s (BSSID="
"%s)\n",
dev->name,
sdata->dev->name,
use_protection ? "enabled" : "disabled",
print_mac(mac, ifsta->bssid));
}
if (use_protection)
sdata->flags |= IEEE80211_SDATA_USE_PROTECTION;
else
sdata->flags &= ~IEEE80211_SDATA_USE_PROTECTION;
changes |= IEEE80211_ERP_CHANGE_PROTECTION;
bss_conf->use_cts_prot = use_protection;
changed |= BSS_CHANGED_ERP_CTS_PROT;
}
if (preamble_mode != !(sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE)) {
if (preamble_mode != bss_conf->use_short_preamble) {
if (net_ratelimit()) {
printk(KERN_DEBUG "%s: switched to %s barker preamble"
" (BSSID=%s)\n",
dev->name,
sdata->dev->name,
(preamble_mode == WLAN_ERP_PREAMBLE_SHORT) ?
"short" : "long",
print_mac(mac, ifsta->bssid));
}
if (preamble_mode)
sdata->flags &= ~IEEE80211_SDATA_SHORT_PREAMBLE;
else
sdata->flags |= IEEE80211_SDATA_SHORT_PREAMBLE;
changes |= IEEE80211_ERP_CHANGE_PREAMBLE;
bss_conf->use_short_preamble = preamble_mode;
changed |= BSS_CHANGED_ERP_PREAMBLE;
}
if (changes)
ieee80211_erp_info_change_notify(dev, changes);
return changed;
}
int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie,
@ -458,19 +452,16 @@ static void ieee80211_set_associated(struct net_device *dev,
struct ieee80211_if_sta *ifsta,
bool assoc)
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
union iwreq_data wrqu;
if (!!(ifsta->flags & IEEE80211_STA_ASSOCIATED) == assoc)
return;
u32 changed = BSS_CHANGED_ASSOC;
if (assoc) {
struct ieee80211_sub_if_data *sdata;
struct ieee80211_sta_bss *bss;
ifsta->flags |= IEEE80211_STA_ASSOCIATED;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
return;
@ -479,7 +470,8 @@ static void ieee80211_set_associated(struct net_device *dev,
ifsta->ssid, ifsta->ssid_len);
if (bss) {
if (bss->has_erp_value)
ieee80211_handle_erp_ie(dev, bss->erp_value);
changed |= ieee80211_handle_erp_ie(
sdata, bss->erp_value);
ieee80211_rx_bss_put(dev, bss);
}
@ -499,6 +491,8 @@ static void ieee80211_set_associated(struct net_device *dev,
wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
ifsta->last_probe = jiffies;
ieee80211_led_assoc(local, assoc);
ieee80211_bss_info_change_notify(sdata, changed);
}
static void ieee80211_set_disassoc(struct net_device *dev,
@ -1536,18 +1530,20 @@ static void ieee80211_rx_mgmt_disassoc(struct net_device *dev,
}
static void ieee80211_rx_mgmt_assoc_resp(struct net_device *dev,
static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_sta *ifsta,
struct ieee80211_mgmt *mgmt,
size_t len,
int reassoc)
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_local *local = sdata->local;
struct net_device *dev = sdata->dev;
struct ieee80211_hw_mode *mode;
struct sta_info *sta;
u32 rates;
u16 capab_info, status_code, aid;
struct ieee802_11_elems elems;
struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
u8 *pos;
int i, j;
DECLARE_MAC_BUF(mac);
@ -1620,6 +1616,8 @@ static void ieee80211_rx_mgmt_assoc_resp(struct net_device *dev,
if (ifsta->assocresp_ies)
memcpy(ifsta->assocresp_ies, pos, ifsta->assocresp_ies_len);
/* set AID, ieee80211_set_associated() will tell the driver */
bss_conf->aid = aid;
ieee80211_set_associated(dev, ifsta, 1);
/* Add STA entry for the AP */
@ -2099,6 +2097,7 @@ static void ieee80211_rx_mgmt_beacon(struct net_device *dev,
struct ieee802_11_elems elems;
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_conf *conf = &local->hw.conf;
u32 changed = 0;
ieee80211_rx_bss_info(dev, mgmt, len, rx_status, 1);
@ -2119,7 +2118,7 @@ static void ieee80211_rx_mgmt_beacon(struct net_device *dev,
ieee802_11_parse_elems(mgmt->u.beacon.variable, len - baselen, &elems);
if (elems.erp_info && elems.erp_info_len >= 1)
ieee80211_handle_erp_ie(dev, elems.erp_info[0]);
changed |= ieee80211_handle_erp_ie(sdata, elems.erp_info[0]);
if (elems.ht_cap_elem && elems.ht_info_elem &&
elems.wmm_param && local->ops->conf_ht &&
@ -2142,6 +2141,8 @@ static void ieee80211_rx_mgmt_beacon(struct net_device *dev,
ieee80211_sta_wmm_params(dev, ifsta, elems.wmm_param,
elems.wmm_param_len);
}
ieee80211_bss_info_change_notify(sdata, changed);
}
@ -2329,10 +2330,10 @@ static void ieee80211_sta_rx_queued_mgmt(struct net_device *dev,
ieee80211_rx_mgmt_auth(dev, ifsta, mgmt, skb->len);
break;
case IEEE80211_STYPE_ASSOC_RESP:
ieee80211_rx_mgmt_assoc_resp(dev, ifsta, mgmt, skb->len, 0);
ieee80211_rx_mgmt_assoc_resp(sdata, ifsta, mgmt, skb->len, 0);
break;
case IEEE80211_STYPE_REASSOC_RESP:
ieee80211_rx_mgmt_assoc_resp(dev, ifsta, mgmt, skb->len, 1);
ieee80211_rx_mgmt_assoc_resp(sdata, ifsta, mgmt, skb->len, 1);
break;
case IEEE80211_STYPE_DEAUTH:
ieee80211_rx_mgmt_deauth(dev, ifsta, mgmt, skb->len);
@ -2787,7 +2788,7 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
break;
}
control.tx_rate =
((sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE) &&
(sdata->bss_conf.use_short_preamble &&
(ratesel.rate->flags & IEEE80211_RATE_PREAMBLE2)) ?
ratesel.rate->val2 : ratesel.rate->val;
control.antenna_sel_tx = local->hw.conf.antenna_sel_tx;

13
net/mac80211/tx.c
View File

@ -176,7 +176,7 @@ static u16 ieee80211_duration(struct ieee80211_txrx_data *tx, int group_addr,
* to closest integer */
dur = ieee80211_frame_duration(local, 10, rate, erp,
tx->sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE);
tx->sdata->bss_conf.use_short_preamble);
if (next_frag_len) {
/* Frame is fragmented: duration increases with time needed to
@ -185,8 +185,7 @@ static u16 ieee80211_duration(struct ieee80211_txrx_data *tx, int group_addr,
/* next fragment */
dur += ieee80211_frame_duration(local, next_frag_len,
txrate->rate, erp,
tx->sdata->flags &
IEEE80211_SDATA_SHORT_PREAMBLE);
tx->sdata->bss_conf.use_short_preamble);
}
return dur;
@ -605,7 +604,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_txrx_data *tx)
tx->u.tx.control->alt_retry_rate = -1;
if (tx->u.tx.mode->mode == MODE_IEEE80211G &&
(tx->sdata->flags & IEEE80211_SDATA_USE_PROTECTION) &&
tx->sdata->bss_conf.use_cts_prot &&
(tx->flags & IEEE80211_TXRXD_FRAGMENTED) && rsel.nonerp) {
tx->u.tx.last_frag_rate = tx->u.tx.rate;
if (rsel.probe)
@ -667,7 +666,7 @@ ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx)
if (mode->mode == MODE_IEEE80211G &&
(tx->u.tx.rate->flags & IEEE80211_RATE_ERP) &&
(tx->flags & IEEE80211_TXRXD_TXUNICAST) &&
(tx->sdata->flags & IEEE80211_SDATA_USE_PROTECTION) &&
tx->sdata->bss_conf.use_cts_prot &&
!(control->flags & IEEE80211_TXCTL_USE_RTS_CTS))
control->flags |= IEEE80211_TXCTL_USE_CTS_PROTECT;
@ -676,7 +675,7 @@ ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx)
* available on the network at the current point in time. */
if (((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) &&
(tx->u.tx.rate->flags & IEEE80211_RATE_PREAMBLE2) &&
(tx->sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE) &&
tx->sdata->bss_conf.use_short_preamble &&
(!tx->sta || (tx->sta->flags & WLAN_STA_SHORT_PREAMBLE))) {
tx->u.tx.control->tx_rate = tx->u.tx.rate->val2;
}
@ -1754,7 +1753,7 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
}
control->tx_rate =
((sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE) &&
(sdata->bss_conf.use_short_preamble &&
(rsel.rate->flags & IEEE80211_RATE_PREAMBLE2)) ?
rsel.rate->val2 : rsel.rate->val;
control->antenna_sel_tx = local->hw.conf.antenna_sel_tx;

12
net/mac80211/util.c
View File

@ -312,8 +312,8 @@ __le16 ieee80211_generic_frame_duration(struct ieee80211_hw *hw,
int erp;
erp = ieee80211_is_erp_rate(hw->conf.phymode, rate);
dur = ieee80211_frame_duration(local, frame_len, rate,
erp, sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE);
dur = ieee80211_frame_duration(local, frame_len, rate, erp,
sdata->bss_conf.use_short_preamble);
return cpu_to_le16(dur);
}
@ -326,11 +326,11 @@ __le16 ieee80211_rts_duration(struct ieee80211_hw *hw,
struct ieee80211_local *local = hw_to_local(hw);
struct ieee80211_rate *rate;
struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
int short_preamble;
bool short_preamble;
int erp;
u16 dur;
short_preamble = sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE;
short_preamble = sdata->bss_conf.use_short_preamble;
rate = frame_txctl->rts_rate;
erp = !!(rate->flags & IEEE80211_RATE_ERP);
@ -357,11 +357,11 @@ __le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw,
struct ieee80211_local *local = hw_to_local(hw);
struct ieee80211_rate *rate;
struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
int short_preamble;
bool short_preamble;
int erp;
u16 dur;
short_preamble = sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE;
short_preamble = sdata->bss_conf.use_short_preamble;
rate = frame_txctl->rts_rate;
erp = !!(rate->flags & IEEE80211_RATE_ERP);