/**
* ath_reg_apply_ir_flags()
* @wiphy: the wiphy to use
* @initiator: the regulatory hint initiator
*
* If no country IE has been received always enable passive scan
* and no-ibss on these channels. This is only done for specific
* regulatory SKUs.
*
* If a country IE has been received check its rule for this
* channel first before enabling active scan. The passive scan
* would have been enforced by the initial processing of our
* custom regulatory domain.
*/
static void
ath_reg_apply_ir_flags(struct wiphy *wiphy,
struct ath_regulatory *reg,
enum nl80211_reg_initiator initiator)
{
struct ieee80211_supported_band *sband;
#ifdef CPTCFG_ATH_USER_REGD
return;
#endif
sband = wiphy->bands[IEEE80211_BAND_2GHZ];
if (!sband)
return;
switch(initiator) {
case NL80211_REGDOM_SET_BY_COUNTRY_IE:
ath_force_clear_no_ir_freq(wiphy, 2467);
ath_force_clear_no_ir_freq(wiphy, 2472);
break;
case NL80211_REGDOM_SET_BY_USER:
if (!ath_reg_dyn_country_user_allow(reg))
break;
ath_force_clear_no_ir_freq(wiphy, 2467);
ath_force_clear_no_ir_freq(wiphy, 2472);
break;
default:
ath_force_no_ir_freq(wiphy, 2467);
ath_force_no_ir_freq(wiphy, 2472);
}
}
void ath_reg_notifier_apply(struct wiphy *wiphy,
struct regulatory_request *request,
struct ath_regulatory *reg)
{
struct ath_common *common = container_of(reg, struct ath_common,
regulatory);
/* We always apply this */
ath_reg_apply_radar_flags(wiphy);
/*
* This would happen when we have sent a custom regulatory request
* a world regulatory domain and the scheduler hasn't yet processed
* any pending requests in the queue.
*/
if (!request)
return;
reg->region = request->dfs_region;
switch (request->initiator) {
case NL80211_REGDOM_SET_BY_CORE:
/*
* If common->reg_world_copy is world roaming it means we *were*
* world roaming... so we now have to restore that data.
*/
if (!ath_is_world_regd(&common->reg_world_copy))
break;
memcpy(reg, &common->reg_world_copy,
sizeof(struct ath_regulatory));
break;
case NL80211_REGDOM_SET_BY_DRIVER:
break;
case NL80211_REGDOM_SET_BY_USER:
if (ath_reg_dyn_country_user_allow(reg))
ath_reg_dyn_country(wiphy, reg, request);
break;
case NL80211_REGDOM_SET_BY_COUNTRY_IE:
ath_reg_dyn_country(wiphy, reg, request);
break;
}
}
static void ath_reg_apply_world_flags(struct wiphy *wiphy,
enum nl80211_reg_initiator initiator,
struct ath_regulatory *reg)
{
switch (reg->regpair->reg_domain) {
case 0x60:
case 0x63:
case 0x66:
case 0x67:
case 0x6C:
ath_reg_apply_beaconing_flags(wiphy, reg, initiator);
break;
case 0x68:
ath_reg_apply_beaconing_flags(wiphy, reg, initiator);
ath_reg_apply_ir_flags(wiphy, reg, initiator);
break;
default:
if (ath_reg_dyn_country_user_allow(reg))
ath_reg_apply_beaconing_flags(wiphy, reg, initiator);
}
}
static void
__ath_reg_apply_beaconing_flags(struct wiphy *wiphy,
struct ath_regulatory *reg,
enum nl80211_reg_initiator initiator,
struct ieee80211_channel *ch)
{
if (ath_is_radar_freq(ch->center_freq) ||
(ch->flags & IEEE80211_CHAN_RADAR))
return;
switch (initiator) {
case NL80211_REGDOM_SET_BY_COUNTRY_IE:
ath_force_clear_no_ir_chan(wiphy, ch);
break;
case NL80211_REGDOM_SET_BY_USER:
if (ath_reg_dyn_country_user_allow(reg))
ath_force_clear_no_ir_chan(wiphy, ch);
break;
default:
if (ch->beacon_found)
ch->flags &= ~IEEE80211_CHAN_NO_IR;
}
}
