@@ -308,7 +308,7 @@ mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv,
int ret_len = 0;
struct ieee80211_supported_band *sband;
struct ieee_types_header *hdr;
- u8 radio_type;
+ u8 radio_type, secch_offset;
if (!buffer || !*buffer)
return ret_len;
@@ -401,13 +401,15 @@ mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv,
chan_list->chan_scan_param[0].radio_type =
mwifiex_band_to_radio_type((u8) bss_desc->bss_band);
- 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)
- SET_SECONDARYCHAN(chan_list->chan_scan_param[0].
- radio_type,
- (bss_desc->bcn_ht_oper->ht_param &
- IEEE80211_HT_PARAM_CHA_SEC_OFFSET));
+ if (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
+ if (bss_desc->bcn_ht_oper->ht_param & IEEE80211_HT_PARAM_CHAN_WIDTH_ANY) {
+ chan_list->chan_scan_param[0].radio_type |= (CHAN_BW_40MHZ << 2);
+ secch_offset = bss_desc->bcn_ht_oper->ht_param &
+ IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
+ SET_SECONDARYCHAN(chan_list->chan_scan_param[0].radio_type,
+ secch_offset);
+ }
+ }
*buffer += struct_size(chan_list, chan_scan_param, 1);
ret_len += struct_size(chan_list, chan_scan_param, 1);
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 <jeff.chen_1@nxp.com> --- drivers/net/wireless/marvell/mwifiex/11n.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-)