From patchwork Fri Aug 26 06:10:55 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Guy, Wey-Yi W" X-Patchwork-Id: 1100832 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter2.kernel.org (8.14.4/8.14.4) with ESMTP id p7Q6ssoq025022 for ; Fri, 26 Aug 2011 06:54:55 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753820Ab1HZGyx (ORCPT ); Fri, 26 Aug 2011 02:54:53 -0400 Received: from mga01.intel.com ([192.55.52.88]:23946 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752763Ab1HZGxd (ORCPT ); Fri, 26 Aug 2011 02:53:33 -0400 Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga101.fm.intel.com with ESMTP; 25 Aug 2011 23:53:27 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.68,283,1312182000"; d="scan'208";a="45256901" Received: from wwguy-huron.jf.intel.com (HELO localhost.localdomain) ([134.134.163.53]) by fmsmga001.fm.intel.com with ESMTP; 25 Aug 2011 23:53:27 -0700 From: Wey-Yi Guy To: linville@tuxdriver.com Cc: linux-wireless@vger.kernel.org, Wey-Yi Guy Subject: [PATCH 23/60] iwlagn: enable 11n aggregation without checking traffic load Date: Thu, 25 Aug 2011 23:10:55 -0700 Message-Id: <1314339092-20797-24-git-send-email-wey-yi.w.guy@intel.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1314339092-20797-1-git-send-email-wey-yi.w.guy@intel.com> References: <1314339092-20797-1-git-send-email-wey-yi.w.guy@intel.com> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter2.kernel.org [140.211.167.43]); Fri, 26 Aug 2011 06:54:55 +0000 (UTC) Enable HT aggregation when it reach reasonable traffic without checking traffic load which delay enabling the aggregation and lower the throughput but this behavior can be overwrite by module parameter this address https://bugzilla.kernel.org/show_bug.cgi?id=40042 Signed-off-by: Wey-Yi Guy --- drivers/net/wireless/iwlwifi/iwl-agn-lib.c | 1 + drivers/net/wireless/iwlwifi/iwl-agn-rs.c | 2 +- drivers/net/wireless/iwlwifi/iwl-agn.c | 5 +++++ drivers/net/wireless/iwlwifi/iwl-shared.h | 1 + 4 files changed, 8 insertions(+), 1 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c index 82fb55b..6cfd236 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c @@ -612,6 +612,7 @@ struct iwl_mod_params iwlagn_mod_params = { .power_level = IWL_POWER_INDEX_1, .bt_ch_announce = 1, .wanted_ucode_alternative = 1, + .auto_agg = true, /* the rest are 0 by default */ }; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index cff6442..3870b72 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -420,7 +420,7 @@ static int rs_tl_turn_on_agg_for_tid(struct iwl_priv *priv, load = rs_tl_get_load(lq_data, tid); - if (load > IWL_AGG_LOAD_THRESHOLD) { + if ((iwlagn_mod_params.auto_agg) || (load > IWL_AGG_LOAD_THRESHOLD)) { IWL_DEBUG_HT(priv, "Starting Tx agg: STA: %pM tid: %d\n", sta->addr, tid); ret = ieee80211_start_tx_ba_session(sta, tid, 5000); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index f6884a5..be2ba4d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -3588,6 +3588,11 @@ module_param_named(power_level, iwlagn_mod_params.power_level, MODULE_PARM_DESC(power_level, "default power save level (range from 1 - 5, default: 1)"); +module_param_named(auto_agg, iwlagn_mod_params.auto_agg, + bool, S_IRUGO); +MODULE_PARM_DESC(auto_agg, + "enable agg w/o check traffic load (default: enable)"); + /* * For now, keep using power level 1 instead of automatically * adjusting ... diff --git a/drivers/net/wireless/iwlwifi/iwl-shared.h b/drivers/net/wireless/iwlwifi/iwl-shared.h index a5ef79b..ec71ec7 100644 --- a/drivers/net/wireless/iwlwifi/iwl-shared.h +++ b/drivers/net/wireless/iwlwifi/iwl-shared.h @@ -93,6 +93,7 @@ struct iwl_mod_params { int ant_coupling; bool bt_ch_announce; int wanted_ucode_alternative; + bool auto_agg; /* def: true = enable agg. without check */ }; /**