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cfg80211: add an option to disable processing country IEs

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Certain vendors may want to disable the processing of
country IEs so that they can continue using the regulatory
domain the driver or user has set.  Currently there is no
way to stop the core from processing country IEs, so add
support to the core to ignore country IE hints.

Cc: Mihir Shete <smihir@qti.qualcomm.com>
Cc: Henri Bahini <hbahini@qca.qualcomm.com>
Cc: Tushnim Bhattacharyya <tushnimb@qca.qualcomm.com>
Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Luis R. Rodriguez 2013-11-11 22:15:31 +01:00 committed by Johannes Berg
parent a09a85a013
commit 2a901468c2
2 changed files with 8 additions and 0 deletions
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5
include/net/regulatory.h
View File

@ -123,12 +123,17 @@ struct regulatory_request {
* derived from the regulatory domain. The regulatory domain used will be
* based on the ISO3166-alpha2 from country IE provided through
* regulatory_hint_country_ie()
* @REGULATORY_COUNTRY_IE_IGNORE: for devices that have a preference to ignore
* all country IE information processed by the regulatory core. This will
* override %REGULATORY_COUNTRY_IE_FOLLOW_POWER as all country IEs will
* be ignored.
*/
enum ieee80211_regulatory_flags {
REGULATORY_CUSTOM_REG = BIT(0),
REGULATORY_STRICT_REG = BIT(1),
REGULATORY_DISABLE_BEACON_HINTS = BIT(2),
REGULATORY_COUNTRY_IE_FOLLOW_POWER = BIT(3),
REGULATORY_COUNTRY_IE_IGNORE = BIT(4),
};
struct ieee80211_freq_range {

3
net/wireless/reg.c
View File

@ -1543,6 +1543,9 @@ __reg_process_hint_country_ie(struct wiphy *wiphy,
if (regdom_changes(country_ie_request->alpha2))
return REG_REQ_IGNORE;
return REG_REQ_ALREADY_SET;
} else {
if (wiphy->regulatory_flags & REGULATORY_COUNTRY_IE_IGNORE)
return REG_REQ_IGNORE;
}
if (unlikely(!is_an_alpha2(country_ie_request->alpha2)))