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cfg80211: convert bools into flags

Browse source 
We've accumulated a number of options for wiphys
which make more sense as flags as we keep adding
more. Convert the existing ones.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2009-11-19 00:56:28 +01:00 committed by John W. Linville
parent 9bd568a50c
commit 5be83de54c
11 changed files with 70 additions and 67 deletions
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5
drivers/net/wireless/ath/regd.c
View file

@ -450,7 +450,7 @@ ath_regd_init_wiphy(struct ath_regulatory *reg,
const struct ieee80211_regdomain *regd;
wiphy->reg_notifier = reg_notifier;
wiphy->strict_regulatory = true;
wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
if (ath_is_world_regd(reg)) {
/*
@ -458,8 +458,7 @@ ath_regd_init_wiphy(struct ath_regulatory *reg,
* saved on the wiphy orig_* parameters
*/
regd = ath_world_regdomain(reg);
wiphy->custom_regulatory = true;
wiphy->strict_regulatory = false;
wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
} else {
/*
* This gets applied in the case of the absense of CRDA,

8
drivers/net/wireless/iwlwifi/iwl-agn.c
View file

@ -2400,16 +2400,14 @@ static int iwl_setup_mac(struct iwl_priv *priv)
BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_ADHOC);
hw->wiphy->custom_regulatory = true;
/* Firmware does not support this */
hw->wiphy->disable_beacon_hints = true;
hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY |
WIPHY_FLAG_DISABLE_BEACON_HINTS;
/*
* For now, disable PS by default because it affects
* RX performance significantly.
*/
hw->wiphy->ps_default = false;
hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
/* we create the 802.11 header and a zero-length SSID element */

6
drivers/net/wireless/iwlwifi/iwl3945-base.c
View file

@ -3904,10 +3904,8 @@ static int iwl3945_setup_mac(struct iwl_priv *priv)
BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_ADHOC);
hw->wiphy->custom_regulatory = true;
/* Firmware does not support this */
hw->wiphy->disable_beacon_hints = true;
hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY |
WIPHY_FLAG_DISABLE_BEACON_HINTS;
hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX_3945;
/* we create the 802.11 header and a zero-length SSID element */

18
drivers/net/wireless/mac80211_hwsim.c
View file

@ -1146,46 +1146,46 @@ static int __init init_mac80211_hwsim(void)
break;
case HWSIM_REGTEST_WORLD_ROAM:
if (i == 0) {
hw->wiphy->custom_regulatory = true;
hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
wiphy_apply_custom_regulatory(hw->wiphy,
&hwsim_world_regdom_custom_01);
}
break;
case HWSIM_REGTEST_CUSTOM_WORLD:
hw->wiphy->custom_regulatory = true;
hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
wiphy_apply_custom_regulatory(hw->wiphy,
&hwsim_world_regdom_custom_01);
break;
case HWSIM_REGTEST_CUSTOM_WORLD_2:
if (i == 0) {
hw->wiphy->custom_regulatory = true;
hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
wiphy_apply_custom_regulatory(hw->wiphy,
&hwsim_world_regdom_custom_01);
} else if (i == 1) {
hw->wiphy->custom_regulatory = true;
hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
wiphy_apply_custom_regulatory(hw->wiphy,
&hwsim_world_regdom_custom_02);
}
break;
case HWSIM_REGTEST_STRICT_ALL:
hw->wiphy->strict_regulatory = true;
hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
break;
case HWSIM_REGTEST_STRICT_FOLLOW:
case HWSIM_REGTEST_STRICT_AND_DRIVER_REG:
if (i == 0)
hw->wiphy->strict_regulatory = true;
hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
break;
case HWSIM_REGTEST_ALL:
if (i == 0) {
hw->wiphy->custom_regulatory = true;
hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
wiphy_apply_custom_regulatory(hw->wiphy,
&hwsim_world_regdom_custom_01);
} else if (i == 1) {
hw->wiphy->custom_regulatory = true;
hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
wiphy_apply_custom_regulatory(hw->wiphy,
&hwsim_world_regdom_custom_02);
} else if (i == 4)
hw->wiphy->strict_regulatory = true;
hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
break;
default:
break;

2
drivers/net/wireless/p54/main.c
View file

@ -579,7 +579,7 @@ struct ieee80211_hw *p54_init_common(size_t priv_data_len)
* For now, disable PS by default because it affects
* link stability significantly.
*/
dev->wiphy->ps_default = false;
dev->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
mutex_init(&priv->conf_mutex);
mutex_init(&priv->eeprom_mutex);

62
include/net/cfg80211.h
View file

@ -1108,27 +1108,45 @@ struct cfg80211_ops {
*/
/**
* struct wiphy - wireless hardware description
* @idx: the wiphy index assigned to this item
* @class_dev: the class device representing /sys/class/ieee80211/<wiphy-name>
* @custom_regulatory: tells us the driver for this device
* enum wiphy_flags - wiphy capability flags
*
* @WIPHY_FLAG_CUSTOM_REGULATORY: tells us the driver for this device
* has its own custom regulatory domain and cannot identify the
* ISO / IEC 3166 alpha2 it belongs to. When this is enabled
* we will disregard the first regulatory hint (when the
* initiator is %REGDOM_SET_BY_CORE).
* @strict_regulatory: tells us the driver for this device will ignore
* regulatory domain settings until it gets its own regulatory domain
* via its regulatory_hint(). After its gets its own regulatory domain
* it will only allow further regulatory domain settings to further
* enhance compliance. For example if channel 13 and 14 are disabled
* by this regulatory domain no user regulatory domain can enable these
* channels at a later time. This can be used for devices which do not
* have calibration information gauranteed for frequencies or settings
* outside of its regulatory domain.
* @disable_beacon_hints: enable this if your driver needs to ensure that
* passive scan flags and beaconing flags may not be lifted by cfg80211
* due to regulatory beacon hints. For more information on beacon
* @WIPHY_FLAG_STRICT_REGULATORY: tells us the driver for this device will
* ignore regulatory domain settings until it gets its own regulatory
* domain via its regulatory_hint(). After its gets its own regulatory
* domain it will only allow further regulatory domain settings to
* further enhance compliance. For example if channel 13 and 14 are
* disabled by this regulatory domain no user regulatory domain can
* enable these channels at a later time. This can be used for devices
* which do not have calibration information gauranteed for frequencies
* or settings outside of its regulatory domain.
* @WIPHY_FLAG_DISABLE_BEACON_HINTS: enable this if your driver needs to ensure
* that passive scan flags and beaconing flags may not be lifted by
* cfg80211 due to regulatory beacon hints. For more information on beacon
* hints read the documenation for regulatory_hint_found_beacon()
* @WIPHY_FLAG_NETNS_OK: if not set, do not allow changing the netns of this
* wiphy at all
* @WIPHY_FLAG_PS_ON_BY_DEFAULT: if set to true, powersave will be enabled
* by default -- this flag will be set depending on the kernel's default
* on wiphy_new(), but can be changed by the driver if it has a good
* reason to override the default
*/
enum wiphy_flags {
WIPHY_FLAG_CUSTOM_REGULATORY = BIT(0),
WIPHY_FLAG_STRICT_REGULATORY = BIT(1),
WIPHY_FLAG_DISABLE_BEACON_HINTS = BIT(2),
WIPHY_FLAG_NETNS_OK = BIT(3),
WIPHY_FLAG_PS_ON_BY_DEFAULT = BIT(4),
};
/**
* struct wiphy - wireless hardware description
* @idx: the wiphy index assigned to this item
* @class_dev: the class device representing /sys/class/ieee80211/<wiphy-name>
* @reg_notifier: the driver's regulatory notification callback
* @regd: the driver's regulatory domain, if one was requested via
* the regulatory_hint() API. This can be used by the driver
@ -1143,11 +1161,6 @@ struct cfg80211_ops {
* -1 = fragmentation disabled, only odd values >= 256 used
* @rts_threshold: RTS threshold (dot11RTSThreshold); -1 = RTS/CTS disabled
* @net: the network namespace this wiphy currently lives in
* @netnsok: if set to false, do not allow changing the netns of this
* wiphy at all
* @ps_default: default for powersave, will be set depending on the
* kernel's default on wiphy_new(), but can be changed by the
* driver if it has a good reason to override the default
*/
struct wiphy {
/* assign these fields before you register the wiphy */
@ -1158,12 +1171,7 @@ struct wiphy {
/* Supported interface modes, OR together BIT(NL80211_IFTYPE_...) */
u16 interface_modes;
bool custom_regulatory;
bool strict_regulatory;
bool disable_beacon_hints;
bool netnsok;
bool ps_default;
u32 flags;
enum cfg80211_signal_type signal_type;

2
net/mac80211/main.c
View file

@ -328,7 +328,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
if (!wiphy)
return NULL;
wiphy->netnsok = true;
wiphy->flags |= WIPHY_FLAG_NETNS_OK;
wiphy->privid = mac80211_wiphy_privid;
/* Yes, putting cfg80211_bss into ieee80211_bss is a hack */

6
net/wireless/Kconfig
View file

@ -74,12 +74,6 @@ config CFG80211_REG_DEBUG
If unsure, say N.
config CFG80211_DEFAULT_PS_VALUE
int
default 1 if CFG80211_DEFAULT_PS
default 0
depends on CFG80211
config CFG80211_DEFAULT_PS
bool "enable powersave by default"
depends on CFG80211

13
net/wireless/core.c
View file

@ -230,7 +230,7 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev;
int err = 0;
if (!rdev->wiphy.netnsok)
if (!(rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK))
return -EOPNOTSUPP;
list_for_each_entry(wdev, &rdev->netdev_list, list) {
@ -367,7 +367,9 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
rdev->wiphy.dev.class = &ieee80211_class;
rdev->wiphy.dev.platform_data = rdev;
rdev->wiphy.ps_default = CONFIG_CFG80211_DEFAULT_PS_VALUE;
#ifdef CONFIG_CFG80211_DEFAULT_PS
rdev->wiphy.flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
#endif
wiphy_net_set(&rdev->wiphy, &init_net);
@ -482,7 +484,7 @@ int wiphy_register(struct wiphy *wiphy)
if (IS_ERR(rdev->wiphy.debugfsdir))
rdev->wiphy.debugfsdir = NULL;
if (wiphy->custom_regulatory) {
if (wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY) {
struct regulatory_request request;
request.wiphy_idx = get_wiphy_idx(wiphy);
@ -680,7 +682,10 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
wdev->wext.default_key = -1;
wdev->wext.default_mgmt_key = -1;
wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
wdev->wext.ps = wdev->wiphy->ps_default;
if (wdev->wiphy->flags & WIPHY_FLAG_PS_ON_BY_DEFAULT)
wdev->wext.ps = true;
else
wdev->wext.ps = false;
wdev->wext.ps_timeout = 100;
if (rdev->ops->set_power_mgmt)
if (rdev->ops->set_power_mgmt(wdev->wiphy, dev,

2
net/wireless/nl80211.c
View file

@ -561,7 +561,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
CMD(deauth, DEAUTHENTICATE);
CMD(disassoc, DISASSOCIATE);
CMD(join_ibss, JOIN_IBSS);
if (dev->wiphy.netnsok) {
if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
i++;
NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS);
}

13
net/wireless/reg.c
View file

@ -1008,7 +1008,7 @@ static void handle_channel(struct wiphy *wiphy, enum ieee80211_band band,
if (last_request->initiator == NL80211_REGDOM_SET_BY_DRIVER &&
request_wiphy && request_wiphy == wiphy &&
request_wiphy->strict_regulatory) {
request_wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY) {
/*
* This gaurantees the driver's requested regulatory domain
* will always be used as a base for further regulatory
@ -1051,13 +1051,13 @@ static bool ignore_reg_update(struct wiphy *wiphy,
if (!last_request)
return true;
if (initiator == NL80211_REGDOM_SET_BY_CORE &&
wiphy->custom_regulatory)
wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY)
return true;
/*
* wiphy->regd will be set once the device has its own
* desired regulatory domain set
*/
if (wiphy->strict_regulatory && !wiphy->regd &&
if (wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY && !wiphy->regd &&
!is_world_regdom(last_request->alpha2))
return true;
return false;
@ -1093,7 +1093,7 @@ static void handle_reg_beacon(struct wiphy *wiphy,
chan->beacon_found = true;
if (wiphy->disable_beacon_hints)
if (wiphy->flags & WIPHY_FLAG_DISABLE_BEACON_HINTS)
return;
chan_before.center_freq = chan->center_freq;
@ -1164,7 +1164,7 @@ static bool reg_is_world_roaming(struct wiphy *wiphy)
return true;
if (last_request &&
last_request->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE &&
wiphy->custom_regulatory)
wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY)
return true;
return false;
}
@ -1591,7 +1591,8 @@ static void reg_process_hint(struct regulatory_request *reg_request)
r = __regulatory_hint(wiphy, reg_request);
/* This is required so that the orig_* parameters are saved */
if (r == -EALREADY && wiphy && wiphy->strict_regulatory)
if (r == -EALREADY && wiphy &&
wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY)
wiphy_update_regulatory(wiphy, reg_request->initiator);
out:
mutex_unlock(&reg_mutex);