From dadcaf7f5a8e16d3d55ed3b09252c2c16052bd72 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Sun, 4 May 2025 13:26:20 +0300 Subject: [PATCH] wifi: iwlwifi: fw: remove RATE_MCS_NSS_POS We can use u32_{get,encode}_bits() instead of manual shifts and remove RATE_MCS_NSS_POS. Signed-off-by: Johannes Berg Signed-off-by: Miri Korenblit Link: https://patch.msgid.link/20250504132447.b6da6048f8b8.Ib6d78ed6ffb7e99c42c2dd2ca4706a6bf73d3066@changeid --- drivers/net/wireless/intel/iwlwifi/fw/api/rs.h | 6 +++--- drivers/net/wireless/intel/iwlwifi/fw/rs.c | 7 +++---- 2 files changed, 6 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/rs.h b/drivers/net/wireless/intel/iwlwifi/fw/api/rs.h index c2f806cbab59..df176191d659 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/rs.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/rs.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* - * Copyright (C) 2012-2014, 2018-2022, 2024 Intel Corporation + * Copyright (C) 2012-2014, 2018-2022, 2024-2025 Intel Corporation * Copyright (C) 2017 Intel Deutschland GmbH */ #ifndef __iwl_fw_api_rs_h__ @@ -588,11 +588,11 @@ enum { /* * HT, VHT, HE, EHT rate format for bits 3:0 * 3-0: MCS + * 4: NSS==2 indicator * */ #define RATE_HT_MCS_CODE_MSK 0x7 -#define RATE_MCS_NSS_POS 4 -#define RATE_MCS_NSS_MSK (1 << RATE_MCS_NSS_POS) +#define RATE_MCS_NSS_MSK 0x10 #define RATE_MCS_CODE_MSK 0xf #define RATE_HT_MCS_INDEX(r) ((((r) & RATE_MCS_NSS_MSK) >> 1) | \ ((r) & RATE_HT_MCS_CODE_MSK)) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/rs.c b/drivers/net/wireless/intel/iwlwifi/fw/rs.c index 8f99e501629e..9e5603774637 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/rs.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/rs.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* - * Copyright (C) 2021-2022 Intel Corporation + * Copyright (C) 2021-2022, 2025 Intel Corporation */ #include @@ -121,7 +121,7 @@ u32 iwl_new_rate_from_v1(u32 rate_v1) rate_v1 & RATE_HT_MCS_RATE_CODE_MSK_V1; nss = (rate_v1 & RATE_HT_MCS_MIMO2_MSK) >> RATE_HT_MCS_NSS_POS_V1; - rate_v2 |= nss << RATE_MCS_NSS_POS; + rate_v2 |= u32_encode_bits(nss, RATE_MCS_NSS_MSK); } else if (rate_v1 & RATE_MCS_VHT_MSK_V1 || rate_v1 & RATE_MCS_HE_MSK_V1) { rate_v2 |= rate_v1 & RATE_VHT_MCS_RATE_CODE_MSK; @@ -225,8 +225,7 @@ int rs_pretty_print_rate(char *buf, int bufsz, const u32 rate) mcs = format == RATE_MCS_HT_MSK ? RATE_HT_MCS_INDEX(rate) : rate & RATE_MCS_CODE_MSK; - nss = ((rate & RATE_MCS_NSS_MSK) - >> RATE_MCS_NSS_POS) + 1; + nss = u32_get_bits(rate, RATE_MCS_NSS_MSK); sgi = format == RATE_MCS_HE_MSK ? iwl_he_is_sgi(rate) : rate & RATE_MCS_SGI_MSK; -- 2.25.1