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TODROP: iwinfo: add QAM-256 support patch

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Add QAM-256 support patch.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
This commit is contained in:
Christian Marangi 2023-06-16 00:27:49 +02:00 committed by Daniel Golle
parent 0eed0c45ca
commit 8e30464e3b
1 changed files with 69 additions and 0 deletions
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69
package/network/utils/iwinfo/patches/0001-nl80211-add-support-for-QAM-256-in-2.4GHz-802.11n.patch Normal file
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@ -0,0 +1,69 @@
From b4fe1f680ba28588c330bcd65156ef7f8423426c Mon Sep 17 00:00:00 2001
From: Christian Marangi <ansuelsmth@gmail.com>
Date: Thu, 15 Jun 2023 19:44:53 +0200
Subject: [PATCH] nl80211: add support for QAM-256 in 2.4GHz 802.11n
Add support for QAM-256 in 2.4GHz 802.11n where VHT rates are set in
2.4GHz 802.11n mode.
To identify if we are using this non-standard mode, we refer to the
hostapd conf providing vht_capab config.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
---
iwinfo_nl80211.c | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)
--- a/iwinfo_nl80211.c
+++ b/iwinfo_nl80211.c
@@ -3216,6 +3216,14 @@ static void nl80211_eval_modelist(struct
{
m->hw |= IWINFO_80211_B;
m->hw |= IWINFO_80211_G;
+
+ if (m->nl_vht > 0)
+ {
+ m->ht |= IWINFO_HTMODE_VHT20;
+
+ if (m->nl_ht & (1 << 1))
+ m->ht |= IWINFO_HTMODE_VHT40;
+ }
}
if (m->bands & IWINFO_BAND_5)
@@ -3366,6 +3374,7 @@ static int nl80211_get_htmode(const char
struct chan_info chn = { 0 };
char *res, b[2] = { 0 };
int err;
+ bool vendor_qam256 = false;
bool he = false;
bool eht = false;
@@ -3388,13 +3397,17 @@ static int nl80211_get_htmode(const char
eht = b[0] == '7';
}
+ if ((chn.width == NL80211_CHAN_WIDTH_20 || chn.width == NL80211_CHAN_WIDTH_40) &&
+ nl80211_hostapd_query(res ? res : ifname, "vht_capab", b, sizeof(b)))
+ vendor_qam256 = true;
+
switch (chn.width) {
case NL80211_CHAN_WIDTH_20:
if (eht)
*buf = IWINFO_HTMODE_EHT20;
else if (he)
*buf = IWINFO_HTMODE_HE20;
- else if (chn.mode == -1)
+ else if (chn.mode == -1 || vendor_qam256)
*buf = IWINFO_HTMODE_VHT20;
else
*buf = IWINFO_HTMODE_HT20;
@@ -3404,7 +3417,7 @@ static int nl80211_get_htmode(const char
*buf = IWINFO_HTMODE_EHT40;
else if (he)
*buf = IWINFO_HTMODE_HE40;
- else if (chn.mode == -1)
+ else if (chn.mode == -1 || vendor_qam256)
*buf = IWINFO_HTMODE_VHT40;
else
*buf = IWINFO_HTMODE_HT40;