From: Jeff Chen Date: Fri, 14 Mar 2025 09:42:38 +0000 (+0800) Subject: wifi: mwifiex: Fix HT40 bandwidth issue. X-Git-Tag: v6.15-rc1~160^2~20^2~12 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4fcfcbe45734;p=thirdparty%2Fkernel%2Flinux.git wifi: mwifiex: Fix HT40 bandwidth issue. This patch addresses an issue where, despite the AP supporting 40MHz bandwidth, the connection was limited to 20MHz. Without this fix, even if the access point supports 40MHz, the bandwidth after connection remains at 20MHz. This issue is not a regression. Signed-off-by: Jeff Chen Reviewed-by: Francesco Dolcini Link: https://patch.msgid.link/20250314094238.2097341-1-jeff.chen_1@nxp.com Signed-off-by: Johannes Berg --- diff --git a/drivers/net/wireless/marvell/mwifiex/11n.c b/drivers/net/wireless/marvell/mwifiex/11n.c index 66f0f5377ac18..738bafc3749b0 100644 --- a/drivers/net/wireless/marvell/mwifiex/11n.c +++ b/drivers/net/wireless/marvell/mwifiex/11n.c @@ -403,12 +403,14 @@ mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv, if (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 && bss_desc->bcn_ht_oper->ht_param & - IEEE80211_HT_PARAM_CHAN_WIDTH_ANY) + IEEE80211_HT_PARAM_CHAN_WIDTH_ANY) { + chan_list->chan_scan_param[0].radio_type |= + CHAN_BW_40MHZ << 2; SET_SECONDARYCHAN(chan_list->chan_scan_param[0]. radio_type, (bss_desc->bcn_ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET)); - + } *buffer += struct_size(chan_list, chan_scan_param, 1); ret_len += struct_size(chan_list, chan_scan_param, 1); }