From patchwork Fri Jan 25 20:12:51 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Coelho X-Patchwork-Id: 10781969 X-Patchwork-Delegate: luca@coelho.fi Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DB31391E for ; Fri, 25 Jan 2019 20:13:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CA11730561 for ; Fri, 25 Jan 2019 20:13:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BB99330573; Fri, 25 Jan 2019 20:13:19 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 595F130561 for ; Fri, 25 Jan 2019 20:13:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728236AbfAYUNR (ORCPT ); Fri, 25 Jan 2019 15:13:17 -0500 Received: from paleale.coelho.fi ([176.9.41.70]:50772 "EHLO farmhouse.coelho.fi" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726257AbfAYUNP (ORCPT ); Fri, 25 Jan 2019 15:13:15 -0500 Received: from 91-156-4-241.elisa-laajakaista.fi ([91.156.4.241] helo=redipa.ger.corp.intel.com) by farmhouse.coelho.fi with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.91) (envelope-from ) id 1gn7qj-00010a-Ik; Fri, 25 Jan 2019 22:13:13 +0200 From: Luca Coelho To: kvalo@codeaurora.org Cc: linux-wireless@vger.kernel.org, Shaul Triebitz , Luca Coelho Date: Fri, 25 Jan 2019 22:12:51 +0200 Message-Id: <20190125201305.5616-4-luca@coelho.fi> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190125201305.5616-1-luca@coelho.fi> References: <20190125201305.5616-1-luca@coelho.fi> MIME-Version: 1.0 Subject: [PATCH 03/17] iwlwifi: iwlmvm: in monitor NDP notif take the NSS from rx_vec Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Shaul Triebitz Take the NSS value from 'rx_vec' rather than from 'rate_n_flags'. The rate_n_flags has only 2 bits for the NSS giving a max of 4SS (0 = 1SS etc.). Since there may be up to 8SS use the rx_vec which has 3 bits for the NSS. While at it, fix the rx_vec array to length of 2. Signed-off-by: Shaul Triebitz Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/api/rx.h | 5 ++++- drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | 17 +++++++++++++---- 2 files changed, 17 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/rx.h b/drivers/net/wireless/intel/iwlwifi/fw/api/rx.h index b4f7ea30a7c1..11c25f32a286 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/rx.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/rx.h @@ -719,6 +719,9 @@ struct iwl_rx_mpdu_desc { #define RX_NO_DATA_FRAME_TIME_POS 0 #define RX_NO_DATA_FRAME_TIME_MSK (0xfffff << RX_NO_DATA_FRAME_TIME_POS) +#define RX_NO_DATA_RX_VEC0_HE_NSTS_MSK 0x03800000 +#define RX_NO_DATA_RX_VEC0_VHT_NSTS_MSK 0x38000000 + /** * struct iwl_rx_no_data - RX no data descriptor * @info: 7:0 frame type, 15:8 RX error type @@ -739,7 +742,7 @@ struct iwl_rx_no_data { __le32 fr_time; __le32 rate; __le32 phy_info[2]; - __le32 rx_vec[3]; + __le32 rx_vec[2]; } __packed; /* RX_NO_DATA_NTFY_API_S_VER_1 */ /** diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index 786e93f6b502..07ddd7bc07ce 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -1701,15 +1701,24 @@ void iwl_mvm_rx_monitor_ndp(struct iwl_mvm *mvm, struct napi_struct *napi, } else if (rate_n_flags & RATE_MCS_VHT_MSK) { u8 stbc = (rate_n_flags & RATE_MCS_STBC_MSK) >> RATE_MCS_STBC_POS; - rx_status->nss = - ((rate_n_flags & RATE_VHT_MCS_NSS_MSK) >> - RATE_VHT_MCS_NSS_POS) + 1; rx_status->rate_idx = rate_n_flags & RATE_VHT_MCS_RATE_CODE_MSK; rx_status->encoding = RX_ENC_VHT; rx_status->enc_flags |= stbc << RX_ENC_FLAG_STBC_SHIFT; if (rate_n_flags & RATE_MCS_BF_MSK) rx_status->enc_flags |= RX_ENC_FLAG_BF; - } else if (!(rate_n_flags & RATE_MCS_HE_MSK)) { + /* + * take the nss from the rx_vec since the rate_n_flags has + * only 2 bits for the nss which gives a max of 4 ss but + * there may be up to 8 spatial streams + */ + rx_status->nss = + le32_get_bits(desc->rx_vec[0], + RX_NO_DATA_RX_VEC0_VHT_NSTS_MSK) + 1; + } else if (rate_n_flags & RATE_MCS_HE_MSK) { + rx_status->nss = + le32_get_bits(desc->rx_vec[0], + RX_NO_DATA_RX_VEC0_HE_NSTS_MSK) + 1; + } else { int rate = iwl_mvm_legacy_rate_to_mac80211_idx(rate_n_flags, rx_status->band);