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cfg80211: add helper reg_get_regdomain() function 

Add helper function that will return regdomain.
Follow the driver's regulatory domain, if present,
unless a country IE has been processed or a user
wants to help compliance further.

Signed-off-by: Janusz Dziedzic <janusz.dziedzi@tieto.com>
[remove useless reg variable]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Janusz Dziedzic 2014-01-25 11:24:11 +01:00 committed by Johannes Berg
parent 96f55f12a2
commit e3961af1e9
1 changed files with 17 additions and 11 deletions
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28
net/wireless/reg.c
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@ -522,6 +522,22 @@ bool reg_is_valid_request(const char *alpha2)
return alpha2_equal(lr->alpha2, alpha2);
}
static const struct ieee80211_regdomain *reg_get_regdomain(struct wiphy *wiphy)
{
struct regulatory_request *lr = get_last_request();
/*
* Follow the driver's regulatory domain, if present, unless a country
* IE has been processed or a user wants to help complaince further
*/
if (lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE &&
lr->initiator != NL80211_REGDOM_SET_BY_USER &&
wiphy->regd)
return get_wiphy_regdom(wiphy);
return get_cfg80211_regdom();
}
/* Sanity check on a regulatory rule */
static bool is_valid_reg_rule(const struct ieee80211_reg_rule *rule)
{
@ -821,18 +837,8 @@ const struct ieee80211_reg_rule *freq_reg_info(struct wiphy *wiphy,
u32 center_freq)
{
const struct ieee80211_regdomain *regd;
struct regulatory_request *lr = get_last_request();
/*
* Follow the driver's regulatory domain, if present, unless a country
* IE has been processed or a user wants to help complaince further
*/
if (lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE &&
lr->initiator != NL80211_REGDOM_SET_BY_USER &&
wiphy->regd)
regd = get_wiphy_regdom(wiphy);
else
regd = get_cfg80211_regdom();
regd = reg_get_regdomain(wiphy);
return freq_reg_info_regd(wiphy, center_freq, regd);
}