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From:   =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
To:     Kalle Valo <kvalo@codeaurora.org>
Cc:     Arend van Spriel <arend.vanspriel@broadcom.com>,
        Franky Lin <franky.lin@broadcom.com>,
        Hante Meuleman <hante.meuleman@broadcom.com>,
        Chi-Hsien Lin <chi-hsien.lin@cypress.com>,
        Wright Feng <wright.feng@cypress.com>,
        Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>,
        Chung-Hsien Hsu <stanley.hsu@cypress.com>,
        linux-wireless@vger.kernel.org,
        brcm80211-dev-list.pdl@broadcom.com,
        brcm80211-dev-list@cypress.com,
        =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>,
        stable@vger.kernel.org
Subject: [PATCH FIX] brcmfmac: fix reporting support for 160 MHz channels
Date:   Thu,  8 Nov 2018 16:08:29 +0100
Message-Id: <20181108150829.24842-1-zajec5@gmail.com>
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From: Rafał Miłecki <rafal@milecki.pl>

Driver can report IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ so it's
important to provide valid & complete info about supported bands for
each channel. By default no support for 160 MHz should be assumed unless
firmware reports it for a given channel later.

This fixes info passed to the userspace. Without that change userspace
could try to use invalid channel and fail to start an interface.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Cc: stable@vger.kernel.org
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index 230a378c26fc..7f0a5bade70a 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -6005,7 +6005,8 @@ static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg,
 			 * for subsequent chanspecs.
 			 */
 			channel->flags = IEEE80211_CHAN_NO_HT40 |
-					 IEEE80211_CHAN_NO_80MHZ;
+					 IEEE80211_CHAN_NO_80MHZ |
+					 IEEE80211_CHAN_NO_160MHZ;
 			ch.bw = BRCMU_CHAN_BW_20;
 			cfg->d11inf.encchspec(&ch);
 			chaninfo = ch.chspec;
-- 
2.13.7