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authorDaniel C Halperin <daniel.c.halperin@intel.com>2009-09-11 19:38:08 +0200
committerJohn W. Linville <linville@tuxdriver.com>2009-09-23 17:35:40 +0200
commitc929c5a1281b666fabc9aa94c607932ec6d28c6d (patch)
treec82c4f1fff737022de09ff362a230c81acd3ced5 /drivers
parentb43: Fix resume failure (diff)
downloadlinux-c929c5a1281b666fabc9aa94c607932ec6d28c6d.tar.xz
linux-c929c5a1281b666fabc9aa94c607932ec6d28c6d.zip
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-rs.c6
1 files changed, 6 insertions, 0 deletions
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) ||