diff options
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/reg.c | 27 | ||||
| -rw-r--r-- | net/wireless/reg.h | 1 |
2 files changed, 28 insertions, 0 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c index ec54e1aac8e2..7d20d844ca60 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -135,6 +135,33 @@ static const char *reg_dfs_region_str(enum nl80211_dfs_regions dfs_region) return "Unknown"; } +enum nl80211_dfs_regions reg_get_dfs_region(struct wiphy *wiphy) +{ + const struct ieee80211_regdomain *regd = NULL; + const struct ieee80211_regdomain *wiphy_regd = NULL; + + regd = get_cfg80211_regdom(); + if (!wiphy) + goto out; + + wiphy_regd = get_wiphy_regdom(wiphy); + if (!wiphy_regd) + goto out; + + if (wiphy_regd->dfs_region == regd->dfs_region) + goto out; + + REG_DBG_PRINT("%s: device specific dfs_region " + "(%s) disagrees with cfg80211's " + "central dfs_region (%s)\n", + dev_name(&wiphy->dev), + reg_dfs_region_str(wiphy_regd->dfs_region), + reg_dfs_region_str(regd->dfs_region)); + +out: + return regd->dfs_region; +} + static void rcu_free_regdom(const struct ieee80211_regdomain *r) { if (!r) diff --git a/net/wireless/reg.h b/net/wireless/reg.h index cc4c2c0a6723..02bd8f4b0921 100644 --- a/net/wireless/reg.h +++ b/net/wireless/reg.h @@ -21,6 +21,7 @@ extern const struct ieee80211_regdomain __rcu *cfg80211_regdomain; bool reg_is_valid_request(const char *alpha2); bool is_world_regdom(const char *alpha2); bool reg_supported_dfs_region(enum nl80211_dfs_regions dfs_region); +enum nl80211_dfs_regions reg_get_dfs_region(struct wiphy *wiphy); int regulatory_hint_user(const char *alpha2, enum nl80211_user_reg_hint_type user_reg_hint_type); |