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cfg80211: add bss_type and privacy arguments in cfg80211_get_bss()

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802.11ad adds new a network type (PBSS) and changes the capability
field interpretation for the DMG (60G) band.
The same 2 bits that were interpreted as "ESS" and "IBSS" before are
re-used as a 2-bit field with 3 valid values (and 1 reserved). Valid
values are: "IBSS", "PBSS" (new) and "AP".

In order to get the BSS struct for the new PBSS networks, change the
cfg80211_get_bss() function to take a new enum ieee80211_bss_type
argument with the valid network types, as "capa_mask" and "capa_val"
no longer work correctly (the search must be band-aware now.)

The remaining bits in "capa_mask" and "capa_val" are used only for
privacy matching so replace those two with a privacy enum as well.

Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
[rewrite commit log, tiny fixes]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Dedy Lansky
2015-02-08 15:52:03 +02:00
committed by Johannes Berg
parent 76a70e9c4b
commit 6eb1813764
13 changed files with 167 additions and 79 deletions
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2
net/wireless/ibss.c
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@@ -30,7 +30,7 @@ void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
return;
bss = cfg80211_get_bss(wdev->wiphy, channel, bssid, NULL, 0,
WLAN_CAPABILITY_IBSS, WLAN_CAPABILITY_IBSS);
IEEE80211_BSS_TYPE_IBSS, IEEE80211_PRIVACY_ANY);
if (WARN_ON(!bss))
return;