diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/net/wireless/ieee80211.txt | 24 | ||||
| -rw-r--r-- | Documentation/driver-api/80211/cfg80211.rst | 3 | ||||
| -rw-r--r-- | Documentation/networking/regulatory.txt | 8 |
3 files changed, 31 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/net/wireless/ieee80211.txt b/Documentation/devicetree/bindings/net/wireless/ieee80211.txt new file mode 100644 index 000000000000..f6442b1397f5 --- /dev/null +++ b/Documentation/devicetree/bindings/net/wireless/ieee80211.txt @@ -0,0 +1,24 @@ +Common IEEE 802.11 properties + +This provides documentation of common properties that are valid for all wireless +devices. + +Optional properties: + - ieee80211-freq-limit : list of supported frequency ranges in KHz. This can be + used for devices that in a given config support less channels than + normally. It may happen chipset supports a wide wireless band but it is + limited to some part of it due to used antennas or power amplifier. + An example case for this can be tri-band wireless router with two + identical chipsets used for two different 5 GHz subbands. Using them + incorrectly could not work or decrease performance noticeably. + +Example: + +pcie@0,0 { + reg = <0x0000 0 0 0 0>; + wifi@0,0 { + reg = <0x0000 0 0 0 0>; + ieee80211-freq-limit = <2402000 2482000>, + <5170000 5250000>; + }; +}; diff --git a/Documentation/driver-api/80211/cfg80211.rst b/Documentation/driver-api/80211/cfg80211.rst index b1e149ea6fee..eca534ab6172 100644 --- a/Documentation/driver-api/80211/cfg80211.rst +++ b/Documentation/driver-api/80211/cfg80211.rst @@ -45,6 +45,9 @@ Device registration :functions: wiphy_new .. kernel-doc:: include/net/cfg80211.h + :functions: wiphy_read_of_freq_limits + +.. kernel-doc:: include/net/cfg80211.h :functions: wiphy_register .. kernel-doc:: include/net/cfg80211.h diff --git a/Documentation/networking/regulatory.txt b/Documentation/networking/regulatory.txt index 356f791af574..7818b5fe448b 100644 --- a/Documentation/networking/regulatory.txt +++ b/Documentation/networking/regulatory.txt @@ -156,12 +156,12 @@ struct ieee80211_regdomain mydriver_jp_regdom = { //.alpha2 = "99", /* If I have no alpha2 to map it to */ .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_NO_IR), /* 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_IR| NL80211_RRF_DFS), } @@ -205,7 +205,7 @@ the data in regdb.c as an alternative to using CRDA. The file net/wireless/db.txt should be kept up-to-date with the db.txt file available in the git repository here: - git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-regdb.git + git://git.kernel.org/pub/scm/linux/kernel/git/sforshee/wireless-regdb.git Again, most users in most situations should be using the CRDA package provided with their distribution, and in most other situations users |