diff options
Diffstat (limited to 'net/wireless/reg.c')
| -rw-r--r-- | net/wireless/reg.c | 45 |
1 files changed, 17 insertions, 28 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 72d170ca3406..3b8cbbc214db 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -510,9 +510,11 @@ static bool reg_does_bw_fit(const struct ieee80211_freq_range *freq_range, * * This lets us know if a specific frequency rule is or is not relevant to * a specific frequency's band. Bands are device specific and artificial - * definitions (the "2.4 GHz band" and the "5 GHz band"), however it is - * safe for now to assume that a frequency rule should not be part of a - * frequency's band if the start freq or end freq are off by more than 2 GHz. + * definitions (the "2.4 GHz band", the "5 GHz band" and the "60GHz band"), + * however it is safe for now to assume that a frequency rule should not be + * part of a frequency's band if the start freq or end freq are off by more + * than 2 GHz for the 2.4 and 5 GHz bands, and by more than 10 GHz for the + * 60 GHz band. * This resolution can be lowered and should be considered as we add * regulatory rule support for other "bands". **/ @@ -520,9 +522,16 @@ static bool freq_in_rule_band(const struct ieee80211_freq_range *freq_range, u32 freq_khz) { #define ONE_GHZ_IN_KHZ 1000000 - if (abs(freq_khz - freq_range->start_freq_khz) <= (2 * ONE_GHZ_IN_KHZ)) + /* + * From 802.11ad: directional multi-gigabit (DMG): + * Pertaining to operation in a frequency band containing a channel + * with the Channel starting frequency above 45 GHz. + */ + u32 limit = freq_khz > 45 * ONE_GHZ_IN_KHZ ? + 10 * ONE_GHZ_IN_KHZ : 2 * ONE_GHZ_IN_KHZ; + if (abs(freq_khz - freq_range->start_freq_khz) <= limit) return true; - if (abs(freq_khz - freq_range->end_freq_khz) <= (2 * ONE_GHZ_IN_KHZ)) + if (abs(freq_khz - freq_range->end_freq_khz) <= limit) return true; return false; #undef ONE_GHZ_IN_KHZ @@ -1955,8 +1964,7 @@ static void restore_regulatory_settings(bool reset_user) if (reg_request->initiator != NL80211_REGDOM_SET_BY_USER) continue; - list_del(®_request->list); - list_add_tail(®_request->list, &tmp_reg_req_list); + list_move_tail(®_request->list, &tmp_reg_req_list); } } spin_unlock(®_requests_lock); @@ -2015,8 +2023,7 @@ static void restore_regulatory_settings(bool reset_user) "into the queue\n", reg_request->alpha2[0], reg_request->alpha2[1]); - list_del(®_request->list); - list_add_tail(®_request->list, ®_requests_list); + list_move_tail(®_request->list, ®_requests_list); } spin_unlock(®_requests_lock); @@ -2201,7 +2208,6 @@ static void print_regdomain_info(const struct ieee80211_regdomain *rd) static int __set_regdom(const struct ieee80211_regdomain *rd) { const struct ieee80211_regdomain *intersected_rd = NULL; - struct cfg80211_registered_device *rdev = NULL; struct wiphy *request_wiphy; /* Some basic sanity checks first */ @@ -2313,24 +2319,7 @@ static int __set_regdom(const struct ieee80211_regdomain *rd) return 0; } - if (!intersected_rd) - return -EINVAL; - - rdev = wiphy_to_dev(request_wiphy); - - rdev->country_ie_alpha2[0] = rd->alpha2[0]; - rdev->country_ie_alpha2[1] = rd->alpha2[1]; - rdev->env = last_request->country_ie_env; - - BUG_ON(intersected_rd == rd); - - kfree(rd); - rd = NULL; - - reset_regdomains(false); - cfg80211_regdomain = intersected_rd; - - return 0; + return -EINVAL; } |