From patchwork Sun Oct 17 08:43:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Coelho X-Patchwork-Id: 12564103 X-Patchwork-Delegate: luca@coelho.fi Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F6E5C433F5 for ; Sun, 17 Oct 2021 08:44:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 22D1B61040 for ; Sun, 17 Oct 2021 08:44:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245110AbhJQIqI (ORCPT ); Sun, 17 Oct 2021 04:46:08 -0400 Received: from paleale.coelho.fi ([176.9.41.70]:53568 "EHLO farmhouse.coelho.fi" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S234310AbhJQIqG (ORCPT ); Sun, 17 Oct 2021 04:46:06 -0400 Received: from 91-156-6-193.elisa-laajakaista.fi ([91.156.6.193] helo=kveik.lan) by farmhouse.coelho.fi with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1mc1lp-000YRM-Q0; Sun, 17 Oct 2021 11:43:54 +0300 From: Luca Coelho To: kvalo@codeaurora.org Cc: luca@coelho.fi, linux-wireless@vger.kernel.org Date: Sun, 17 Oct 2021 11:43:42 +0300 Message-Id: X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211017084348.401570-1-luca@coelho.fi> References: <20211017084348.401570-1-luca@coelho.fi> MIME-Version: 1.0 Subject: [PATCH 04/10] iwlwifi: add vendor specific capabilities for some RFs Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Johannes Berg On some RFs we want to advertise vendor specific capabilities to indicate support for improved beamforming rates and/or on 160 MHz, some APs where Intel has collaborated with the vendor will use it to improve behaviour. Add these elements where relevant, i.e. for HR and GF RFs. Signed-off-by: Johannes Berg Signed-off-by: Luca Coelho --- .../net/wireless/intel/iwlwifi/iwl-nvm-parse.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c index 475f951d4b1e..f470f9aea50f 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c @@ -534,6 +534,17 @@ static void iwl_init_vht_hw_capab(struct iwl_trans *trans, cpu_to_le16(IEEE80211_VHT_EXT_NSS_BW_CAPABLE); } +static const u8 iwl_vendor_caps[] = { + 0xdd, /* vendor element */ + 0x06, /* length */ + 0x00, 0x17, 0x35, /* Intel OUI */ + 0x08, /* type (Intel Capabilities) */ + /* followed by 16 bits of capabilities */ +#define IWL_VENDOR_CAP_IMPROVED_BF_FDBK_HE BIT(0) + IWL_VENDOR_CAP_IMPROVED_BF_FDBK_HE, + 0x00 +}; + static const struct ieee80211_sband_iftype_data iwl_he_capa[] = { { .types_mask = BIT(NL80211_IFTYPE_STATION), @@ -781,6 +792,12 @@ iwl_nvm_fixup_sband_iftd(struct iwl_trans *trans, if (fw_has_capa(&fw->ucode_capa, IWL_UCODE_TLV_CAPA_BROADCAST_TWT)) iftype_data->he_cap.he_cap_elem.mac_cap_info[2] |= IEEE80211_HE_MAC_CAP2_BCAST_TWT; + + if (trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_22000 && + !is_ap) { + iftype_data->vendor_elems.data = iwl_vendor_caps; + iftype_data->vendor_elems.len = ARRAY_SIZE(iwl_vendor_caps); + } } static void iwl_init_he_hw_capab(struct iwl_trans *trans,