From patchwork Tue Dec 30 14:18:42 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Emmanuel Grumbach X-Patchwork-Id: 5552421 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 3C6E49F1BF for ; Tue, 30 Dec 2014 14:20:06 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6C0BD20160 for ; Tue, 30 Dec 2014 14:20:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 844ED2012E for ; Tue, 30 Dec 2014 14:20:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751818AbaL3OTx (ORCPT ); Tue, 30 Dec 2014 09:19:53 -0500 Received: from mga11.intel.com ([192.55.52.93]:7819 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751789AbaL3OTs (ORCPT ); Tue, 30 Dec 2014 09:19:48 -0500 Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP; 30 Dec 2014 06:19:37 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.07,666,1413270000"; d="scan'208";a="644558632" Received: from egrumbacbox.jer.intel.com ([10.12.126.105]) by fmsmga001.fm.intel.com with ESMTP; 30 Dec 2014 06:19:30 -0800 From: Emmanuel Grumbach To: linux-wireless@vger.kernel.org Cc: Emmanuel Grumbach Subject: [PATCH 07/33] iwlwifi: mvm: allow RSSI compensation Date: Tue, 30 Dec 2014 16:18:42 +0200 Message-Id: <1419949148-24046-7-git-send-email-emmanuel.grumbach@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1419948357.21410.4.camel@egrumbacBox> References: <1419948357.21410.4.camel@egrumbacBox> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The firmware is able to compensate the rssi when we hear the frame on a different channel. This is true for an offset up to 3 channels. Signed-off-by: Emmanuel Grumbach --- drivers/net/wireless/iwlwifi/mvm/mac80211.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index 2d62b56..bec588d 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -377,6 +377,8 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) hw->wiphy->max_remain_on_channel_duration = 10000; hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; + /* we can compensate an offset of up to 3 channels = 15 MHz */ + hw->wiphy->max_adj_channel_rssi_comp = 3 * 5; /* Extract MAC address */ memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);