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mac80211: track AP and peer STA TDLS chan-switch support

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The AP or peer can prohibit TDLS channel switch via a bit in the
extended capabilities IE. Parse the IE and track this bit. Set an
appropriate STA flag if both the AP and peer STA support TDLS
channel-switching.

Add the new STA flag and the missing TDLS_INITIATOR to debugfs.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Arik Nemtsov
2014-11-09 18:50:15 +02:00
committed by Johannes Berg
parent 78632a17ea
commit 9041c1fa57
6 changed files with 23 additions and 2 deletions
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5
net/mac80211/util.c
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@@ -831,6 +831,7 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
case WLAN_EID_SECONDARY_CHANNEL_OFFSET:
case WLAN_EID_WIDE_BW_CHANNEL_SWITCH:
case WLAN_EID_CHAN_SWITCH_PARAM:
case WLAN_EID_EXT_CAPABILITY:
/*
* not listing WLAN_EID_CHANNEL_SWITCH_WRAPPER -- it seems possible
* that if the content gets bigger it might be needed more than once
@@ -850,6 +851,10 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
elem_parse_failed = false;
switch (id) {
case WLAN_EID_EXT_CAPABILITY:
elems->ext_capab = pos;
elems->ext_capab_len = elen;
break;
case WLAN_EID_SSID:
elems->ssid = pos;
elems->ssid_len = elen;