Return-path: Received: from mga03.intel.com ([143.182.124.21]:49357 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754496AbZIKRiR (ORCPT ); Fri, 11 Sep 2009 13:38:17 -0400 From: Reinette Chatre To: linville@tuxdriver.com Cc: linux-wireless@vger.kernel.org, ipw3945-devel@lists.sourceforge.net, Daniel C Halperin , Reinette Chatre Subject: [PATCH 02/13 v2.6.32 and w-t] iwlwifi: fix HT operation in 2.4 GHz band Date: Fri, 11 Sep 2009 10:38:08 -0700 Message-Id: <1252690699-25796-3-git-send-email-reinette.chatre@intel.com> In-Reply-To: <1252690699-25796-1-git-send-email-reinette.chatre@intel.com> References: <1252690699-25796-1-git-send-email-reinette.chatre@intel.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Daniel C Halperin 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 --- drivers/net/wireless/iwlwifi/iwl-agn-rs.c | 6 ++++++ 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 40b207a..fd73153 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) || -- 1.5.6.3