On Mon, 2013-04-08 at 22:52 -0700, Luis R. Rodriguez wrote:
> From: "Luis R. Rodriguez" <mcgrof at do-not-panic.com>
>
> For VHT, the wider bandwidths (up to 160 MHz) need
> to be allowed. Since world roaming only covers the
> case of connecting to an AP, it can be opened up
> there, we will rely on the AP to know the local
> regulations.
>
> Based on a patch by Johannes Berg for upstream Linux.
> --- a/db.txt
> +++ b/db.txt
> @@ -6,10 +6,10 @@ country 00:
> # Channel 14. Only JP enables this and for 802.11b only
> (2474 - 2494 @ 20), (3, 20), PASSIVE-SCAN, NO-IBSS, NO-OFDM
> # Channel 36 - 48
> - (5170 - 5250 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS
> + (5170 - 5250 @ 80), (3, 20), PASSIVE-SCAN, NO-IBSS
> # NB: 5260 MHz - 5700 MHz requies DFS
> # Channel 149 - 165
> - (5735 - 5835 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS
> + (5735 - 5835 @ 80), (3, 20), PASSIVE-SCAN, NO-IBSS
I also have a separate upstream patch that I haven't sent here yet to
enable 160 MHz by enabling the radar channels (passively), see below;
any thoughts on that?
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -184,11 +184,21 @@ static const struct ieee80211_regdomain
world_regdom = {
NL80211_RRF_NO_IBSS |
NL80211_RRF_NO_OFDM),
/* IEEE 802.11a, channel 36..48 */
- REG_RULE(5180-10, 5240+10, 80, 6, 20,
+ REG_RULE(5180-10, 5240+10, 160, 6, 20,
NL80211_RRF_PASSIVE_SCAN |
NL80211_RRF_NO_IBSS),
- /* NB: 5260 MHz - 5700 MHz requires DFS */
+ /* IEEE 802.11a, channel 52..64 - DFS required */
+ REG_RULE(5260-10, 5320+10, 160, 6, 20,
+ NL80211_RRF_PASSIVE_SCAN |
+ NL80211_RRF_NO_IBSS |
+ NL80211_RRF_DFS),
+
+ /* IEEE 802.11a, channel 100..144 - DFS required */
+ REG_RULE(5500-10, 5720+10, 160, 6, 20,
+ NL80211_RRF_PASSIVE_SCAN |
+ NL80211_RRF_NO_IBSS |
+ NL80211_RRF_DFS),
/* IEEE 802.11a, channel 149..165 */
REG_RULE(5745-10, 5825+10, 80, 6, 20,
johannes
