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mac80211: parse VHT channel switch IEs

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VHT introduces multiple IEs that need to be parsed for a
wide bandwidth channel switch. Two are (currently) needed
in mac80211:
 * wide bandwidth channel switch element
 * channel switch wrapper element

The former is contained in the latter for beacons and probe
responses, but not for the spectrum management action frames
so the IE parser needs a new argument to differentiate them.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2013-03-26 14:54:16 +01:00
parent 1b3a2e494b
commit b2e506bfc4
9 changed files with 63 additions and 18 deletions
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4
net/mac80211/mesh.c
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@ -838,7 +838,7 @@ ieee80211_mesh_rx_probe_req(struct ieee80211_sub_if_data *sdata,
if (baselen > len)
return;
ieee802_11_parse_elems(pos, len - baselen, &elems);
ieee802_11_parse_elems(pos, len - baselen, false, &elems);
/* 802.11-2012 10.1.4.3.2 */
if ((!ether_addr_equal(mgmt->da, sdata->vif.addr) &&
@ -899,7 +899,7 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
return;
ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
&elems);
false, &elems);
/* ignore non-mesh or secure / unsecure mismatch */
if ((!elems.mesh_id || !elems.mesh_config) ||