From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f46.google.com (mail-wm1-f46.google.com [209.85.128.46]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 299E072 for ; Tue, 22 Jun 2021 12:29:49 +0000 (UTC) Received: by mail-wm1-f46.google.com with SMTP id h21-20020a1ccc150000b02901d4d33c5ca0so2139751wmb.3 for ; Tue, 22 Jun 2021 05:29:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=aaVYDaWI5B+nrFzKbktT11rttGKVUOF0TEP29OpjHJY=; b=s+sIdXez02FZUhYcfvP9f3fYw6dkCLa42AftvpPQGRMaxgzTOpNJa1rxSS9VOiJQ5w KmSpB0XJwF9rcM24nJTzLkr4pVoUXjdIGnvsw5C3tiX7M0suwx9b7EZ7IKJkHouxcN9d UhsqAmFIylF6wa5FNfjpFervjaWQneOAzqEwC6VpIyopKXisL8/aifG/CnyZW2gTf4CE h7MhSacFgFdP34VkbRmNkxhTFkReyq7Za2VO0nXw+8E1OYDMplBgOsGQXrV+3+YbUJ+9 O4mjdfNGU/LNX328BvRtnsj9YX6RW1H4JWt4UUNGRK4NX3v61Wu7Qb+TJHHRQQPB3thZ 96SA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=aaVYDaWI5B+nrFzKbktT11rttGKVUOF0TEP29OpjHJY=; b=je1jDNHuNhvoaT3WGEQR6IIkhkQd4CGHpgTDom1Y83XQUrOCmql2/NBLa/GkSt1ys7 UI+190cwRdEcBi9eaLOn2sKokkW5o/Kes3eDjB8mA/4d5bpiWThrp4QTU8TGjLo4rrep Bh0NgKvY6rBqi9+OgvmMdVqWaY5WI0BVTunzb12DhWRqgyFzOiFx57ViMnZZrn8jH/he MJM+G2i3UzgB1duCO53Q9mR1dWO5P9I35duyhfK9OeUogQt+9bW7k9saRSj9oBu90mxO GLvCZUs2Su9qRDoaEFtJPxnB6kacyZHXeiQ4r6QUI9fkf7wUKovEKI77Rx7Nc4aVn6cq 9YsA== X-Gm-Message-State: AOAM530Rf03XGjghFuPzHA+eqH8H01QjPNS0CHOITdo3Aohy2B662Fs+ yKtWank0aoxxJthK5mewlwU= X-Google-Smtp-Source: ABdhPJyphInr6fVj2pyQNzLSk5LpdnCD71RTLPZOzBCajv4c+WK+yZUmg6DrxkDb+JNtdjnw0pjQWQ== X-Received: by 2002:a7b:c385:: with SMTP id s5mr4073316wmj.178.1624364987624; Tue, 22 Jun 2021 05:29:47 -0700 (PDT) Received: from agape ([5.171.73.108]) by smtp.gmail.com with ESMTPSA id z9sm2281822wmf.43.2021.06.22.05.29.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Jun 2021 05:29:47 -0700 (PDT) From: Fabio Aiuto To: gregkh@linuxfoundation.org Cc: hdegoede@redhat.com, Larry.Finger@lwfinger.net, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH v2 02/17] staging: rtl8723bs: remove code related to unsupported channel bandwidth Date: Tue, 22 Jun 2021 14:29:27 +0200 Message-Id: <3ad4397340e7f5315b7ee1c0a02eb56d7a07f430.1624364582.git.fabioaiuto83@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: References: X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit remove all code related to unsupported channel bandwidth (i.e. 80, 80+80, 160 Mhz). rtl8723bs NIC works only on 20 and 40 Mhz channels. Module parameter rtw_bw_mode can only have two values: 0 and 1 (20 Mhz and 40Mhz). So modify the default value setting to zero the 5Ghz nibble. Comments modified accordingly. Signed-off-by: Fabio Aiuto --- .../staging/rtl8723bs/core/rtw_wlan_util.c | 15 +------- drivers/staging/rtl8723bs/core/rtw_xmit.c | 5 +-- .../staging/rtl8723bs/hal/hal_com_phycfg.c | 34 ------------------- drivers/staging/rtl8723bs/hal/odm.h | 3 -- drivers/staging/rtl8723bs/hal/odm_DIG.c | 2 -- .../staging/rtl8723bs/hal/rtl8723b_hal_init.c | 31 ++--------------- .../staging/rtl8723bs/hal/rtl8723b_phycfg.c | 33 +----------------- drivers/staging/rtl8723bs/include/drv_types.h | 8 +++-- drivers/staging/rtl8723bs/include/rtw_rf.h | 4 --- drivers/staging/rtl8723bs/os_dep/os_intfs.c | 10 +++--- 10 files changed, 17 insertions(+), 128 deletions(-) diff --git a/drivers/staging/rtl8723bs/core/rtw_wlan_util.c b/drivers/staging/rtl8723bs/core/rtw_wlan_util.c index 2a47d678de01..c06b74f6569a 100644 --- a/drivers/staging/rtl8723bs/core/rtw_wlan_util.c +++ b/drivers/staging/rtl8723bs/core/rtw_wlan_util.c @@ -336,9 +336,7 @@ u8 rtw_get_center_ch(u8 channel, u8 chnl_bw, u8 chnl_offset) { u8 center_ch = channel; - if (chnl_bw == CHANNEL_WIDTH_80) { - center_ch = 7; - } else if (chnl_bw == CHANNEL_WIDTH_40) { + if (chnl_bw == CHANNEL_WIDTH_40) { if (chnl_offset == HAL_PRIME_CHNL_OFFSET_LOWER) center_ch = channel + 2; else @@ -375,14 +373,6 @@ void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigne center_ch = rtw_get_center_ch(channel, bwmode, channel_offset); - if (bwmode == CHANNEL_WIDTH_80) { - if (center_ch > channel) - chnl_offset80 = HAL_PRIME_CHNL_OFFSET_LOWER; - else if (center_ch < channel) - chnl_offset80 = HAL_PRIME_CHNL_OFFSET_UPPER; - else - chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE; - } /* set Channel */ if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex))) @@ -919,9 +909,6 @@ static void bwmode_update_check(struct adapter *padapter, struct ndis_80211_var_ if (phtpriv->ht_option == false) return; - if (pmlmeext->cur_bwmode >= CHANNEL_WIDTH_80) - return; - if (pIE->Length > sizeof(struct HT_info_element)) return; diff --git a/drivers/staging/rtl8723bs/core/rtw_xmit.c b/drivers/staging/rtl8723bs/core/rtw_xmit.c index 0562fa6c1255..79e4d7df1ef5 100644 --- a/drivers/staging/rtl8723bs/core/rtw_xmit.c +++ b/drivers/staging/rtl8723bs/core/rtw_xmit.c @@ -321,15 +321,12 @@ void _rtw_free_xmit_priv(struct xmit_priv *pxmitpriv) u8 query_ra_short_GI(struct sta_info *psta) { - u8 sgi = false, sgi_20m = false, sgi_40m = false, sgi_80m = false; + u8 sgi = false, sgi_20m = false, sgi_40m = false; sgi_20m = psta->htpriv.sgi_20m; sgi_40m = psta->htpriv.sgi_40m; switch (psta->bw_mode) { - case CHANNEL_WIDTH_80: - sgi = sgi_80m; - break; case CHANNEL_WIDTH_40: sgi = sgi_40m; break; diff --git a/drivers/staging/rtl8723bs/hal/hal_com_phycfg.c b/drivers/staging/rtl8723bs/hal/hal_com_phycfg.c index 94d11689b4ac..56e657d2aaac 100644 --- a/drivers/staging/rtl8723bs/hal/hal_com_phycfg.c +++ b/drivers/staging/rtl8723bs/hal/hal_com_phycfg.c @@ -995,7 +995,6 @@ u8 PHY_GetTxPowerIndexBase( ) { struct hal_com_data *pHalData = GET_HAL_DATA(padapter); - u8 i = 0; /* default set to 1S */ u8 txPower = 0; u8 chnlIdx = (Channel-1); @@ -1035,18 +1034,6 @@ u8 PHY_GetTxPowerIndexBase( txPower += pHalData->BW40_24G_Diff[RFPath][TX_4S]; } - /* Willis suggest adopt BW 40M power index while in BW 80 mode */ - else if (BandWidth == CHANNEL_WIDTH_80) { - if ((MGN_MCS0 <= Rate && Rate <= MGN_MCS31) || (MGN_VHT1SS_MCS0 <= Rate && Rate <= MGN_VHT4SS_MCS9)) - txPower += pHalData->BW40_24G_Diff[RFPath][TX_1S]; - if ((MGN_MCS8 <= Rate && Rate <= MGN_MCS31) || (MGN_VHT2SS_MCS0 <= Rate && Rate <= MGN_VHT4SS_MCS9)) - txPower += pHalData->BW40_24G_Diff[RFPath][TX_2S]; - if ((MGN_MCS16 <= Rate && Rate <= MGN_MCS31) || (MGN_VHT3SS_MCS0 <= Rate && Rate <= MGN_VHT4SS_MCS9)) - txPower += pHalData->BW40_24G_Diff[RFPath][TX_3S]; - if ((MGN_MCS24 <= Rate && Rate <= MGN_MCS31) || (MGN_VHT4SS_MCS0 <= Rate && Rate <= MGN_VHT4SS_MCS9)) - txPower += pHalData->BW40_24G_Diff[RFPath][TX_4S]; - - } } else {/* 3 ============================== 5 G ============================== */ if (MGN_6M <= Rate) txPower = pHalData->Index5G_BW40_Base[RFPath][chnlIdx]; @@ -1076,23 +1063,6 @@ u8 PHY_GetTxPowerIndexBase( if ((MGN_MCS24 <= Rate && Rate <= MGN_MCS31) || (MGN_VHT4SS_MCS0 <= Rate && Rate <= MGN_VHT4SS_MCS9)) txPower += pHalData->BW40_5G_Diff[RFPath][TX_4S]; - } else if (BandWidth == CHANNEL_WIDTH_80) { /* BW80-1S, BW80-2S */ - /* <20121220, Kordan> Get the index of array "Index5G_BW80_Base". */ - u8 channel5G_80M[CHANNEL_MAX_NUMBER_5G_80M] = {42, 58, 106, 122, 138, 155, 171}; - for (i = 0; i < ARRAY_SIZE(channel5G_80M); ++i) - if (channel5G_80M[i] == Channel) - chnlIdx = i; - - txPower = pHalData->Index5G_BW80_Base[RFPath][chnlIdx]; - - if ((MGN_MCS0 <= Rate && Rate <= MGN_MCS31) || (MGN_VHT1SS_MCS0 <= Rate && Rate <= MGN_VHT4SS_MCS9)) - txPower += + pHalData->BW80_5G_Diff[RFPath][TX_1S]; - if ((MGN_MCS8 <= Rate && Rate <= MGN_MCS31) || (MGN_VHT2SS_MCS0 <= Rate && Rate <= MGN_VHT4SS_MCS9)) - txPower += pHalData->BW80_5G_Diff[RFPath][TX_2S]; - if ((MGN_MCS16 <= Rate && Rate <= MGN_MCS31) || (MGN_VHT3SS_MCS0 <= Rate && Rate <= MGN_VHT4SS_MCS9)) - txPower += pHalData->BW80_5G_Diff[RFPath][TX_3S]; - if ((MGN_MCS23 <= Rate && Rate <= MGN_MCS31) || (MGN_VHT4SS_MCS0 <= Rate && Rate <= MGN_VHT4SS_MCS9)) - txPower += pHalData->BW80_5G_Diff[RFPath][TX_4S]; } } @@ -1512,10 +1482,6 @@ static s16 get_bandwidth_idx(const enum channel_width bandwidth) return 0; case CHANNEL_WIDTH_40: return 1; - case CHANNEL_WIDTH_80: - return 2; - case CHANNEL_WIDTH_160: - return 3; default: return -1; } diff --git a/drivers/staging/rtl8723bs/hal/odm.h b/drivers/staging/rtl8723bs/hal/odm.h index 7e2d3679c7d0..a7a77fbb8390 100644 --- a/drivers/staging/rtl8723bs/hal/odm.h +++ b/drivers/staging/rtl8723bs/hal/odm.h @@ -471,9 +471,6 @@ enum { /* tag_Band_Type_Definition */ enum { /* tag_Bandwidth_Definition */ ODM_BW20M = 0, ODM_BW40M = 1, - ODM_BW80M = 2, - ODM_BW160M = 3, - ODM_BW10M = 4, }; /* ODM_CMNINFO_BOARD_TYPE */ diff --git a/drivers/staging/rtl8723bs/hal/odm_DIG.c b/drivers/staging/rtl8723bs/hal/odm_DIG.c index 702bb065636a..ef5b48bb01b2 100644 --- a/drivers/staging/rtl8723bs/hal/odm_DIG.c +++ b/drivers/staging/rtl8723bs/hal/odm_DIG.c @@ -230,8 +230,6 @@ void odm_Adaptivity(void *pDM_VOID, u8 IGI) IGI_target = pDM_Odm->IGI_Base; else if (*pDM_Odm->pBandWidth == ODM_BW40M) IGI_target = pDM_Odm->IGI_Base + 2; - else if (*pDM_Odm->pBandWidth == ODM_BW80M) - IGI_target = pDM_Odm->IGI_Base + 2; else IGI_target = pDM_Odm->IGI_Base; pDM_Odm->IGI_target = (u8) IGI_target; diff --git a/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c b/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c index 6359cd661374..3ecd034342ec 100644 --- a/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c +++ b/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c @@ -2509,15 +2509,8 @@ u8 BWMapping_8723B(struct adapter *Adapter, struct pkt_attrib *pattrib) u8 BWSettingOfDesc = 0; struct hal_com_data *pHalData = GET_HAL_DATA(Adapter); - if (pHalData->CurrentChannelBW == CHANNEL_WIDTH_80) { - if (pattrib->bwmode == CHANNEL_WIDTH_80) - BWSettingOfDesc = 2; - else if (pattrib->bwmode == CHANNEL_WIDTH_40) - BWSettingOfDesc = 1; - else - BWSettingOfDesc = 0; - } else if (pHalData->CurrentChannelBW == CHANNEL_WIDTH_40) { - if ((pattrib->bwmode == CHANNEL_WIDTH_40) || (pattrib->bwmode == CHANNEL_WIDTH_80)) + if (pHalData->CurrentChannelBW == CHANNEL_WIDTH_40) { + if (pattrib->bwmode == CHANNEL_WIDTH_40) BWSettingOfDesc = 1; else BWSettingOfDesc = 0; @@ -2535,25 +2528,7 @@ u8 SCMapping_8723B(struct adapter *Adapter, struct pkt_attrib *pattrib) u8 SCSettingOfDesc = 0; struct hal_com_data *pHalData = GET_HAL_DATA(Adapter); - if (pHalData->CurrentChannelBW == CHANNEL_WIDTH_80) { - if (pattrib->bwmode == CHANNEL_WIDTH_80) { - SCSettingOfDesc = VHT_DATA_SC_DONOT_CARE; - } else if (pattrib->bwmode == CHANNEL_WIDTH_40) { - if (pHalData->nCur80MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_LOWER) - SCSettingOfDesc = VHT_DATA_SC_40_LOWER_OF_80MHZ; - else if (pHalData->nCur80MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_UPPER) - SCSettingOfDesc = VHT_DATA_SC_40_UPPER_OF_80MHZ; - } else { - if ((pHalData->nCur40MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_LOWER) && (pHalData->nCur80MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_LOWER)) - SCSettingOfDesc = VHT_DATA_SC_20_LOWEST_OF_80MHZ; - else if ((pHalData->nCur40MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_UPPER) && (pHalData->nCur80MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_LOWER)) - SCSettingOfDesc = VHT_DATA_SC_20_LOWER_OF_80MHZ; - else if ((pHalData->nCur40MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_LOWER) && (pHalData->nCur80MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_UPPER)) - SCSettingOfDesc = VHT_DATA_SC_20_UPPER_OF_80MHZ; - else if ((pHalData->nCur40MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_UPPER) && (pHalData->nCur80MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_UPPER)) - SCSettingOfDesc = VHT_DATA_SC_20_UPPERST_OF_80MHZ; - } - } else if (pHalData->CurrentChannelBW == CHANNEL_WIDTH_40) { + if (pHalData->CurrentChannelBW == CHANNEL_WIDTH_40) { if (pattrib->bwmode == CHANNEL_WIDTH_40) { SCSettingOfDesc = VHT_DATA_SC_DONOT_CARE; } else if (pattrib->bwmode == CHANNEL_WIDTH_20) { diff --git a/drivers/staging/rtl8723bs/hal/rtl8723b_phycfg.c b/drivers/staging/rtl8723bs/hal/rtl8723b_phycfg.c index 3a2e3d0e88e8..275460865719 100644 --- a/drivers/staging/rtl8723bs/hal/rtl8723b_phycfg.c +++ b/drivers/staging/rtl8723bs/hal/rtl8723b_phycfg.c @@ -609,11 +609,6 @@ static void phy_SetRegBW_8723B( rtw_write16(Adapter, REG_TRXPTCL_CTL_8723B, (u2tmp & 0xFEFF)); /* BIT 7 = 1, BIT 8 = 0 */ break; - case CHANNEL_WIDTH_80: - u2tmp = RegRfMod_BW | BIT8; - rtw_write16(Adapter, REG_TRXPTCL_CTL_8723B, (u2tmp & 0xFF7F)); /* BIT 7 = 0, BIT 8 = 1 */ - break; - default: break; } @@ -624,33 +619,7 @@ static u8 phy_GetSecondaryChnl_8723B(struct adapter *Adapter) u8 SCSettingOf40 = 0, SCSettingOf20 = 0; struct hal_com_data *pHalData = GET_HAL_DATA(Adapter); - if (pHalData->CurrentChannelBW == CHANNEL_WIDTH_80) { - if (pHalData->nCur80MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_LOWER) - SCSettingOf40 = VHT_DATA_SC_40_LOWER_OF_80MHZ; - else if (pHalData->nCur80MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_UPPER) - SCSettingOf40 = VHT_DATA_SC_40_UPPER_OF_80MHZ; - - if ( - (pHalData->nCur40MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_LOWER) && - (pHalData->nCur80MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_LOWER) - ) - SCSettingOf20 = VHT_DATA_SC_20_LOWEST_OF_80MHZ; - else if ( - (pHalData->nCur40MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_UPPER) && - (pHalData->nCur80MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_LOWER) - ) - SCSettingOf20 = VHT_DATA_SC_20_LOWER_OF_80MHZ; - else if ( - (pHalData->nCur40MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_LOWER) && - (pHalData->nCur80MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_UPPER) - ) - SCSettingOf20 = VHT_DATA_SC_20_UPPER_OF_80MHZ; - else if ( - (pHalData->nCur40MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_UPPER) && - (pHalData->nCur80MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_UPPER) - ) - SCSettingOf20 = VHT_DATA_SC_20_UPPERST_OF_80MHZ; - } else if (pHalData->CurrentChannelBW == CHANNEL_WIDTH_40) { + if (pHalData->CurrentChannelBW == CHANNEL_WIDTH_40) { if (pHalData->nCur40MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_UPPER) SCSettingOf20 = VHT_DATA_SC_20_UPPER_OF_80MHZ; else if (pHalData->nCur40MhzPrimeSC == HAL_PRIME_CHNL_OFFSET_LOWER) diff --git a/drivers/staging/rtl8723bs/include/drv_types.h b/drivers/staging/rtl8723bs/include/drv_types.h index cc0dac355589..02df5bd8f575 100644 --- a/drivers/staging/rtl8723bs/include/drv_types.h +++ b/drivers/staging/rtl8723bs/include/drv_types.h @@ -108,9 +108,11 @@ struct registry_priv { struct wlan_bssid_ex dev_network; u8 ht_enable; - /* 0: 20 MHz, 1: 40 MHz, 2: 80 MHz, 3: 160MHz */ - /* 2.4G use bit 0 ~ 3, 5G use bit 4 ~ 7 */ - /* 0x21 means enable 2.4G 40MHz & 5G 80MHz */ + /* + * 0: 20 MHz, 1: 40 MHz + * 2.4G use bit 0 ~ 3 + * 0x01 means enable 2.4G 40MHz + */ u8 bw_mode; u8 ampdu_enable;/* for tx */ u8 rx_stbc; diff --git a/drivers/staging/rtl8723bs/include/rtw_rf.h b/drivers/staging/rtl8723bs/include/rtw_rf.h index cb6beccd3d23..98bc274e5e81 100644 --- a/drivers/staging/rtl8723bs/include/rtw_rf.h +++ b/drivers/staging/rtl8723bs/include/rtw_rf.h @@ -83,10 +83,6 @@ enum { enum channel_width { CHANNEL_WIDTH_20 = 0, CHANNEL_WIDTH_40 = 1, - CHANNEL_WIDTH_80 = 2, - CHANNEL_WIDTH_160 = 3, - CHANNEL_WIDTH_80_80 = 4, - CHANNEL_WIDTH_MAX = 5, }; /* Represent Extension Channel Offset in HT Capabilities */ diff --git a/drivers/staging/rtl8723bs/os_dep/os_intfs.c b/drivers/staging/rtl8723bs/os_dep/os_intfs.c index 4e7c115c8bc1..a06c8b1beb01 100644 --- a/drivers/staging/rtl8723bs/os_dep/os_intfs.c +++ b/drivers/staging/rtl8723bs/os_dep/os_intfs.c @@ -65,10 +65,12 @@ static int rtw_uapsd_acvi_en; static int rtw_uapsd_acvo_en; int rtw_ht_enable = 1; -/* 0: 20 MHz, 1: 40 MHz, 2: 80 MHz, 3: 160MHz, 4: 80+80MHz */ -/* 2.4G use bit 0 ~ 3, 5G use bit 4 ~ 7 */ -/* 0x21 means enable 2.4G 40MHz & 5G 80MHz */ -static int rtw_bw_mode = 0x21; +/* + * 0: 20 MHz, 1: 40 MHz + * 2.4G use bit 0 ~ 3 + * 0x01 means enable 2.4G 40MHz + */ +static int rtw_bw_mode = 0x01; static int rtw_ampdu_enable = 1;/* for enable tx_ampdu ,0: disable, 0x1:enable (but wifi_spec should be 0), 0x2: force enable (don't care wifi_spec) */ static int rtw_rx_stbc = 1;/* 0: disable, 1:enable 2.4g */ static int rtw_ampdu_amsdu;/* 0: disabled, 1:enabled, 2:auto . There is an IOT issu with DLINK DIR-629 when the flag turn on */ -- 2.20.1