From: Daniel C Halperin Date: Fri, 11 Sep 2009 17:38:08 +0000 (-0700) Subject: iwlwifi: fix HT operation in 2.4 GHz band X-Git-Tag: v2.6.32-rc1~27^2~11^2~43 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c929c5a1281b666fabc9aa94c607932ec6d28c6d;p=karo-tx-linux.git 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 Tested-by: Wey-Yi Guy Signed-off-by: Reinette Chatre Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index 40b207aa8fef..fd731534df1c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -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) ||