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mac80211: copy peer MCS TX parameters

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We need to copy this to allow drivers to look
at the information where needed.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2011-02-25 12:24:10 +01:00 committed by John W. Linville
parent 46c2cb8cae
commit 90b4ca9dba
1 changed files with 4 additions and 1 deletions
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5
net/mac80211/ht.c
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@ -66,6 +66,9 @@ void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband,
/* own MCS TX capabilities */
tx_mcs_set_cap = sband->ht_cap.mcs.tx_params;
/* Copy peer MCS TX capabilities, the driver might need them. */
ht_cap->mcs.tx_params = ht_cap_ie->mcs.tx_params;
/* can we TX with MCS rates? */
if (!(tx_mcs_set_cap & IEEE80211_HT_MCS_TX_DEFINED))
return;
@ -79,7 +82,7 @@ void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband,
max_tx_streams = IEEE80211_HT_MCS_TX_MAX_STREAMS;
/*
* 802.11n D5.0 20.3.5 / 20.6 says:
* 802.11n-2009 20.3.5 / 20.6 says:
* - indices 0 to 7 and 32 are single spatial stream
* - 8 to 31 are multiple spatial streams using equal modulation
* [8..15 for two streams, 16..23 for three and 24..31 for four]