diff options
Diffstat (limited to 'net/wireless/reg.c')
| -rw-r--r-- | net/wireless/reg.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 753efcd51fa3..e59b192459e8 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -3120,6 +3120,34 @@ bool regulatory_indoor_allowed(void) return reg_is_indoor; } +bool regulatory_pre_cac_allowed(struct wiphy *wiphy) +{ + const struct ieee80211_regdomain *regd = NULL; + const struct ieee80211_regdomain *wiphy_regd = NULL; + bool pre_cac_allowed = false; + + rcu_read_lock(); + + regd = rcu_dereference(cfg80211_regdomain); + wiphy_regd = rcu_dereference(wiphy->regd); + if (!wiphy_regd) { + if (regd->dfs_region == NL80211_DFS_ETSI) + pre_cac_allowed = true; + + rcu_read_unlock(); + + return pre_cac_allowed; + } + + if (regd->dfs_region == wiphy_regd->dfs_region && + wiphy_regd->dfs_region == NL80211_DFS_ETSI) + pre_cac_allowed = true; + + rcu_read_unlock(); + + return pre_cac_allowed; +} + int __init regulatory_init(void) { int err = 0; |