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nl80211: Add new WIPHY attribute COVERAGE_CLASS

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The new attribute NL80211_ATTR_WIPHY_COVERAGE_CLASS sets IEEE 802.11
Coverage Class, which depends on maximum distance of nodes in a
wireless network. It's required for long distance links (more than a few
hundred meters).

The attribute is now ignored by two non-mac80211 drivers, rndis and
iwmc3200wifi, together with WIPHY_PARAM_RETRY_SHORT and
WIPHY_PARAM_RETRY_LONG. If it turns out to be a problem, we could split
set_wiphy_params callback or add new capability bits.

Signed-off-by: Lukas Turek <8an@praha12.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Lukáš Turek 2009-12-21 22:50:47 +01:00 • committed by John W. Linville
parent 14acdde6e5
commit 81077e82c3
4 changed files with 22 additions and 0 deletions
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4
include/linux/nl80211.h
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@ -430,6 +430,8 @@ enum nl80211_commands {
* @NL80211_ATTR_WIPHY_RTS_THRESHOLD: RTS threshold (TX frames with length
* larger than or equal to this use RTS/CTS handshake); allowed range:
* 0..65536, disable with (u32)-1; dot11RTSThreshold; u32
* @NL80211_ATTR_WIPHY_COVERAGE_CLASS: Coverage Class as defined by IEEE 802.11
* section 7.3.2.9; dot11CoverageClass; u8
*
* @NL80211_ATTR_IFINDEX: network interface index of the device to operate on
* @NL80211_ATTR_IFNAME: network interface name
@ -779,6 +781,8 @@ enum nl80211_attrs {
NL80211_ATTR_COOKIE,
NL80211_ATTR_WIPHY_COVERAGE_CLASS,
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,