cfg80211: fix static regdomains

When Luis added the static regdomains back he used +/-20
of the centre frequencies to account for 40MHz bandwidth
neglecting the fact that 40MHz bandwidth cannot be used
on the channels close to the allowed band edges.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/net/wireless/core.c b/net/wireless/core.c
index a910cd2..59e4d7d 100644 (file)
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -41,7 +41,7 @@ const struct ieee80211_regdomain world_regdom = {
        .n_reg_rules = 1,
        .alpha2 =  "00",
        .reg_rules = {
-               REG_RULE(2402, 2472, 40, 6, 20,
+               REG_RULE(2412-10, 2462+10, 40, 6, 20,
                        NL80211_RRF_PASSIVE_SCAN |
                        NL80211_RRF_NO_IBSS),
        }
@@ -64,17 +64,17 @@ const struct ieee80211_regdomain us_regdom = {
        .alpha2 =  "US",
        .reg_rules = {
                /* IEEE 802.11b/g, channels 1..11 */
-               REG_RULE(2412-20, 2462+20, 40, 6, 27, 0),
+               REG_RULE(2412-10, 2462+10, 40, 6, 27, 0),
                /* IEEE 802.11a, channel 36 */
-               REG_RULE(5180-20, 5180+20, 40, 6, 23, 0),
+               REG_RULE(5180-10, 5180+10, 40, 6, 23, 0),
                /* IEEE 802.11a, channel 40 */
-               REG_RULE(5200-20, 5200+20, 40, 6, 23, 0),
+               REG_RULE(5200-10, 5200+10, 40, 6, 23, 0),
                /* IEEE 802.11a, channel 44 */
-               REG_RULE(5220-20, 5220+20, 40, 6, 23, 0),
+               REG_RULE(5220-10, 5220+10, 40, 6, 23, 0),
                /* IEEE 802.11a, channels 48..64 */
-               REG_RULE(5240-20, 5320+20, 40, 6, 23, 0),
+               REG_RULE(5240-10, 5320+10, 40, 6, 23, 0),
                /* IEEE 802.11a, channels 149..165, outdoor */
-               REG_RULE(5745-20, 5825+20, 40, 6, 30, 0),
+               REG_RULE(5745-10, 5825+10, 40, 6, 30, 0),
        }
 };
 
@@ -83,12 +83,12 @@ const struct ieee80211_regdomain jp_regdom = {
        .alpha2 =  "JP",
        .reg_rules = {
                /* IEEE 802.11b/g, channels 1..14 */
-               REG_RULE(2412-20, 2484+20, 40, 6, 20, 0),
+               REG_RULE(2412-10, 2484+10, 40, 6, 20, 0),
                /* IEEE 802.11a, channels 34..48 */
-               REG_RULE(5170-20, 5240+20, 40, 6, 20,
+               REG_RULE(5170-10, 5240+10, 40, 6, 20,
                        NL80211_RRF_PASSIVE_SCAN),
                /* IEEE 802.11a, channels 52..64 */
-               REG_RULE(5260-20, 5320+20, 40, 6, 20,
+               REG_RULE(5260-10, 5320+10, 40, 6, 20,
                        NL80211_RRF_NO_IBSS |
                        NL80211_RRF_DFS),
        }
@@ -101,22 +101,22 @@ const struct ieee80211_regdomain eu_regdom = {
        .alpha2 =  "EU",
        .reg_rules = {
                /* IEEE 802.11b/g, channels 1..13 */
-               REG_RULE(2412-20, 2472+20, 40, 6, 20, 0),
+               REG_RULE(2412-10, 2472+10, 40, 6, 20, 0),
                /* IEEE 802.11a, channel 36 */
-               REG_RULE(5180-20, 5180+20, 40, 6, 23,
+               REG_RULE(5180-10, 5180+10, 40, 6, 23,
                        NL80211_RRF_PASSIVE_SCAN),
                /* IEEE 802.11a, channel 40 */
-               REG_RULE(5200-20, 5200+20, 40, 6, 23,
+               REG_RULE(5200-10, 5200+10, 40, 6, 23,
                        NL80211_RRF_PASSIVE_SCAN),
                /* IEEE 802.11a, channel 44 */
-               REG_RULE(5220-20, 5220+20, 40, 6, 23,
+               REG_RULE(5220-10, 5220+10, 40, 6, 23,
                        NL80211_RRF_PASSIVE_SCAN),
                /* IEEE 802.11a, channels 48..64 */
-               REG_RULE(5240-20, 5320+20, 40, 6, 20,
+               REG_RULE(5240-10, 5320+10, 40, 6, 20,
                        NL80211_RRF_NO_IBSS |
                        NL80211_RRF_DFS),
                /* IEEE 802.11a, channels 100..140 */
-               REG_RULE(5500-20, 5700+20, 40, 6, 30,
+               REG_RULE(5500-10, 5700+10, 40, 6, 30,
                        NL80211_RRF_NO_IBSS |
                        NL80211_RRF_DFS),
        }