openwrt/package/kernel/mac80211/patches/brcm/383-v5.4-0001-brcmfmac-add-160MHz-in-chandef_to_chanspec.patch

From f491645f039420fb7e14283e21b90772571c807c Mon Sep 17 00:00:00 2001
From: Arend van Spriel <arend.vanspriel@broadcom.com>
Date: Thu, 11 Jul 2019 10:45:30 +0200
Subject: [PATCH] brcmfmac: add 160MHz in chandef_to_chanspec()

The function chandef_to_chanspec() was not handling 160MHz bandwidth
resulting in wrong encoding of the channel. That resulting in firmware
rejecting the provided channel specification.

Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
Reviewed-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---
 .../broadcom/brcm80211/brcmfmac/cfg80211.c    | 21 ++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -276,8 +276,26 @@ static u16 chandef_to_chanspec(struct br
 		else
 			ch_inf.sb = BRCMU_CHAN_SB_UU;
 		break;
-	case NL80211_CHAN_WIDTH_80P80:
 	case NL80211_CHAN_WIDTH_160:
+		ch_inf.bw = BRCMU_CHAN_BW_160;
+		if (primary_offset == -70)
+			ch_inf.sb = BRCMU_CHAN_SB_LLL;
+		else if (primary_offset == -50)
+			ch_inf.sb = BRCMU_CHAN_SB_LLU;
+		else if (primary_offset == -30)
+			ch_inf.sb = BRCMU_CHAN_SB_LUL;
+		else if (primary_offset == -10)
+			ch_inf.sb = BRCMU_CHAN_SB_LUU;
+		else if (primary_offset == 10)
+			ch_inf.sb = BRCMU_CHAN_SB_ULL;
+		else if (primary_offset == 30)
+			ch_inf.sb = BRCMU_CHAN_SB_ULU;
+		else if (primary_offset == 50)
+			ch_inf.sb = BRCMU_CHAN_SB_UUL;
+		else
+			ch_inf.sb = BRCMU_CHAN_SB_UUU;
+		break;
+	case NL80211_CHAN_WIDTH_80P80:
 	case NL80211_CHAN_WIDTH_5:
 	case NL80211_CHAN_WIDTH_10:
 	default:
@@ -296,6 +314,7 @@ static u16 chandef_to_chanspec(struct br
 	}
 	d11inf->encchspec(&ch_inf);
 
+	brcmf_dbg(TRACE, "chanspec: 0x%x\n", ch_inf.chspec);
 	return ch_inf.chspec;
 }