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netifd: add GCMP-256 support for WPA3 on 6 GHz bands

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This patch enhances WPA3 encryption support in netifd by introducing GCMP-256
cipher handling for wireless interfaces operating on the 6 GHz band with HE/EHT
modes.

Fixes: WIFI-14594

Signed-off-by: Marek Kwaczynski <marek@shasta.cloud>
This commit is contained in:
Marek Kwaczynski
2025-07-03 16:00:26 +00:00
committed by John Crispin
parent 9e68fc6e66
commit 7795c51947
1 changed files with 68 additions and 0 deletions
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68
patches/0090-netifd-add-gcmp-256-on-6GHz.patch Normal file
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@@ -0,0 +1,68 @@
From a2a7cdf9e292bac5b146738276a593d8e119fe8f Mon Sep 17 00:00:00 2001
From: Marek Kwaczynski <marek@shasta.cloud>
Date: Thu, 3 Jul 2025 15:55:43 +0000
Subject: [PATCH] netifd: add gcmp-256 as a cipher suite when SAE is enabled on
HE/EHT
Enabling gcmp-256 only on 6GHz radio.
Fixes: WIFI-14594
Signed-off-by: Marek Kwaczynski <marek@shasta.cloud>
---
.../config/netifd/patches/200-gcmp-256.patch | 43 +++++++++++++++++++
1 file changed, 43 insertions(+)
create mode 100644 package/network/config/netifd/patches/200-gcmp-256.patch
diff --git a/package/network/config/netifd/patches/200-gcmp-256.patch b/package/network/config/netifd/patches/200-gcmp-256.patch
new file mode 100644
index 0000000000..7ac6262e7f
--- /dev/null
+++ b/package/network/config/netifd/patches/200-gcmp-256.patch
@@ -0,0 +1,43 @@
+Index: netifd-2023-09-19-8587c074/scripts/netifd-wireless.sh
+===================================================================
+--- netifd-2023-09-19-8587c074.orig/scripts/netifd-wireless.sh
++++ netifd-2023-09-19-8587c074/scripts/netifd-wireless.sh
+@@ -39,11 +39,10 @@ prepare_key_wep() {
+ }
+
+ _wdev_prepare_channel() {
+- json_get_vars channel band hwmode
++ json_get_vars channel band hwmode htmode
+
+ auto_channel=0
+ enable_ht=0
+- htmode=
+ hwmode="${hwmode##11}"
+
+ case "$channel" in
+@@ -70,7 +69,14 @@ _wdev_prepare_channel() {
+
+ case "$band" in
+ 2g) hwmode=g;;
+- 5g|6g) hwmode=a;;
++ 5g) hwmode=a;;
++ 6g)
++ hwmode=a;
++ case "$htmode" in
++ HE*|EHT*) wpa3_cipher="GCMP-256 ";;
++ *) wpa3_cipher="";;
++ esac
++ ;;
+ 60g) hwmode=ad;;
+ *)
+ case "$hwmode" in
+@@ -216,6 +222,9 @@ wireless_vif_parse_encryption() {
+ wpa_cipher="GCMP"
+ else
+ wpa_cipher="CCMP"
++ case "$encryption" in
++ sae*|wpa3*|psk3*|owe) wpa_cipher="${wpa3_cipher}$wpa_cipher";;
++ esac
+ fi
+
+ case "$encryption" in
--
2.43.0