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-rw-r--r--package/kernel/mac80211/patches/337-v4.20-brcmfmac-fix-reporting-support-for-160-MHz-channels.patch34
1 files changed, 34 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/337-v4.20-brcmfmac-fix-reporting-support-for-160-MHz-channels.patch b/package/kernel/mac80211/patches/337-v4.20-brcmfmac-fix-reporting-support-for-160-MHz-channels.patch
new file mode 100644
index 0000000000..402bc000ac
--- /dev/null
+++ b/package/kernel/mac80211/patches/337-v4.20-brcmfmac-fix-reporting-support-for-160-MHz-channels.patch
@@ -0,0 +1,34 @@
+From 8eefb59de817125eeedde2a2cc1e4ac3660062f9 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Thu, 8 Nov 2018 16:08:29 +0100
+Subject: [PATCH] brcmfmac: fix reporting support for 160 MHz channels
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+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(-)
+
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+@@ -5956,7 +5956,8 @@ static int brcmf_construct_chaninfo(stru
+ * 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;