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add support for QAM-256 in 2.4GHz

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This commit is contained in:
Lucas Asvio
2024-06-02 12:27:44 +02:00
parent 3d31199b30
commit 7a31020772
7 changed files with 2755 additions and 0 deletions
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76
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 +1,76 @@
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(-)
diff --git a/iwinfo_nl80211.c b/iwinfo_nl80211.c
index 50bb8f0..cb3100f 100644
--- a/iwinfo_nl80211.c
+++ b/iwinfo_nl80211.c
@@ -3179,6 +3179,14 @@ static void nl80211_eval_modelist(struct nl80211_modes *m)
{
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)
@@ -3313,10 +3321,10 @@ static int nl80211_get_htmode_cb(struct nl_msg *msg, void *arg)
static int nl80211_get_htmode(const char *ifname, int *buf)
{
+ bool he = false, vendor_qam256 = false;
struct chan_info chn = { 0 };
char *res, b[2] = { 0 };
int err;
- bool he = false;
res = nl80211_phy2ifname(ifname);
*buf = 0;
@@ -3332,11 +3340,15 @@ static int nl80211_get_htmode(const char *ifname, int *buf)
else if (nl80211_wpactl_query(res ? res : ifname, "wifi_generation", b, sizeof(b)))
he = b[0] == '6';
+ 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 (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;
@@ -3344,7 +3356,7 @@ static int nl80211_get_htmode(const char *ifname, int *buf)
case NL80211_CHAN_WIDTH_40:
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;
--
2.40.1