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iwlwifi: fix HT operation in 2.4 GHz band 

When we cleaned up the driver to properly tell mac80211 about HT rates
("iwlwifi: use iwl_hwrate_get_mac80211_idx where appropriate"), we broke
internal rate indexing in 2.4 GHz band.

Signed-off-by: Daniel C Halperin <daniel.c.halperin@intel.com>
Tested-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
hifive-unleashed-5.1
Daniel C Halperin 2009-09-11 10:38:08 -07:00 committed by John W. Linville
parent 91d372c0af
commit c929c5a128
1 changed files with 6 additions and 0 deletions
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6
drivers/net/wireless/iwlwifi/iwl-agn-rs.c
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@ -883,6 +883,12 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband,
mac_index &= RATE_MCS_CODE_MSK; /* Remove # of streams */
if (mac_index >= (IWL_RATE_9M_INDEX - IWL_FIRST_OFDM_RATE))
mac_index++;
/*
* mac80211 HT index is always zero-indexed; we need to move
* HT OFDM rates after CCK rates in 2.4 GHz band
*/
if (priv->band == IEEE80211_BAND_2GHZ)
mac_index += IWL_FIRST_OFDM_RATE;
}
if ((mac_index < 0) ||