diff options
Diffstat (limited to 'include/net/wireless.h')
| -rw-r--r-- | include/net/wireless.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/net/wireless.h b/include/net/wireless.h index 1dc8ec3daa2f..e4378cc6bf8e 100644 --- a/include/net/wireless.h +++ b/include/net/wireless.h @@ -60,6 +60,7 @@ enum ieee80211_channel_flags { * with cfg80211. * * @center_freq: center frequency in MHz + * @max_bandwidth: maximum allowed bandwidth for this channel, in MHz * @hw_value: hardware-specific value for the channel * @flags: channel flags from &enum ieee80211_channel_flags. * @orig_flags: channel flags at registration time, used by regulatory @@ -73,6 +74,7 @@ enum ieee80211_channel_flags { struct ieee80211_channel { enum ieee80211_band band; u16 center_freq; + u8 max_bandwidth; u16 hw_value; u32 flags; int max_antenna_gain; @@ -178,6 +180,7 @@ struct ieee80211_supported_band { * 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 */ struct wiphy { /* assign these fields before you register the wiphy */ @@ -197,6 +200,9 @@ struct wiphy { struct ieee80211_supported_band *bands[IEEE80211_NUM_BANDS]; + /* Lets us get back the wiphy on the callback */ + int (*reg_notifier)(struct wiphy *wiphy, enum reg_set_by setby); + /* fields below are read-only, assigned by cfg80211 */ /* the item in /sys/class/ieee80211/ points to this, @@ -322,6 +328,58 @@ extern int ieee80211_frequency_to_channel(int freq); */ extern struct ieee80211_channel *__ieee80211_get_channel(struct wiphy *wiphy, int freq); +/** + * __regulatory_hint - hint to the wireless core a regulatory domain + * @wiphy: if a driver is providing the hint this is the driver's very + * own &struct wiphy + * @alpha2: the ISO/IEC 3166 alpha2 being claimed the regulatory domain + * should be in. If @rd is set this should be NULL + * @rd: a complete regulatory domain, if passed the caller need not worry + * about freeing it + * + * The Wireless subsystem can use this function to hint to the wireless core + * what it believes should be the current regulatory domain by + * giving it an ISO/IEC 3166 alpha2 country code it knows its regulatory + * domain should be in or by providing a completely build regulatory domain. + * + * Returns -EALREADY if *a regulatory domain* has already been set. Note that + * this could be by another driver. It is safe for drivers to continue if + * -EALREADY is returned, if drivers are not capable of world roaming they + * should not register more channels than they support. Right now we only + * support listening to the first driver hint. If the driver is capable + * of world roaming but wants to respect its own EEPROM mappings for + * specific regulatory domains it should register the @reg_notifier callback + * on the &struct wiphy. Returns 0 if the hint went through fine or through an + * intersection operation. Otherwise a standard error code is returned. + * + */ +extern int __regulatory_hint(struct wiphy *wiphy, enum reg_set_by set_by, + const char *alpha2, struct ieee80211_regdomain *rd); +/** + * regulatory_hint - driver hint to the wireless core a regulatory domain + * @wiphy: the driver's very own &struct wiphy + * @alpha2: the ISO/IEC 3166 alpha2 the driver claims its regulatory domain + * should be in. If @rd is set this should be NULL. Note that if you + * set this to NULL you should still set rd->alpha2 to some accepted + * alpha2. + * @rd: a complete regulatory domain provided by the driver. If passed + * the driver does not need to worry about freeing it. + * + * Wireless drivers can use this function to hint to the wireless core + * what it believes should be the current regulatory domain by + * giving it an ISO/IEC 3166 alpha2 country code it knows its regulatory + * domain should be in or by providing a completely build regulatory domain. + * If the driver provides an ISO/IEC 3166 alpha2 userspace will be queried + * for a regulatory domain structure for the respective country. If + * a regulatory domain is build and passed you should set the alpha2 + * if possible, otherwise set it to the special value of "99" which tells + * the wireless core it is unknown. If you pass a built regulatory domain + * and we return non zero you are in charge of kfree()'ing the structure. + * + * See __regulatory_hint() documentation for possible return values. + */ +extern int regulatory_hint(struct wiphy *wiphy, + const char *alpha2, struct ieee80211_regdomain *rd); /** * ieee80211_get_channel - get channel struct from wiphy for specified frequency |