diff options
Diffstat (limited to 'net/wireless/reg.h')
| -rw-r--r-- | net/wireless/reg.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/net/wireless/reg.h b/net/wireless/reg.h index a33362872f3..a4845b140a8 100644 --- a/net/wireless/reg.h +++ b/net/wireless/reg.h @@ -10,4 +10,32 @@ void regulatory_exit(void); int set_regdom(const struct ieee80211_regdomain *rd); +/** + * __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); + #endif /* __NET_WIRELESS_REG_H */ |