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From:   Deren Wu <Deren.Wu@mediatek.com>
To:     Johannes Berg <johannes@sipsolutions.net>
CC:     linux-wireless <linux-wireless@vger.kernel.org>,
        linux-mediatek <linux-mediatek@lists.infradead.org>,
        Deren Wu <deren.wu@mediatek.com>
Subject: [PATCH] iw: support 160MHz frequency command for 6GHz band
Date:   Sat, 12 Mar 2022 17:09:04 +0800
Message-ID: <4366b069d41f469c36554c8dcfc857b5aedf3e1d.1647075278.git.deren.wu@mediatek.com>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

From: Deren Wu <deren.wu@mediatek.com>

Add support to configure 160MHz in 6G band by direct
channel/frequency command.

Example:
iw dev <interface> set freq 6195 160MHz

Signed-off-by: Deren Wu <deren.wu@mediatek.com>
---
 util.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/util.c b/util.c
index ceb0dc0..1bddf0f 100644
--- a/util.c
+++ b/util.c
@@ -1305,7 +1305,8 @@ int get_cf1(const struct chanmode *chanmode, unsigned long freq)
 				5955, 6035, 6115, 6195, 6275, 6355,
 				6435, 6515, 6595, 6675, 6755, 6835,
 				6195, 6995 };
-	unsigned int vht160[] = { 5180, 5500 };
+	unsigned int bw160[] = { 5180, 5500, 5955, 6115, 6275, 6435,
+				  6595, 6755, 6915 };
 
 	switch (chanmode->width) {
 	case NL80211_CHAN_WIDTH_80:
@@ -1322,15 +1323,15 @@ int get_cf1(const struct chanmode *chanmode, unsigned long freq)
 		break;
 	case NL80211_CHAN_WIDTH_160:
 		/* setup center_freq1 */
-		for (j = 0; j < ARRAY_SIZE(vht160); j++) {
-			if (freq >= vht160[j] && freq < vht160[j] + 160)
+		for (j = 0; j < ARRAY_SIZE(bw160); j++) {
+			if (freq >= bw160[j] && freq < bw160[j] + 160)
 				break;
 		}
 
-		if (j == ARRAY_SIZE(vht160))
+		if (j == ARRAY_SIZE(bw160))
 			break;
 
-		cf1 = vht160[j] + 70;
+		cf1 = bw160[j] + 70;
 		break;
 	default:
 		cf1 = freq + chanmode->freq1_diff;
-- 
2.25.1