From fa7b2322e3f123658907b424d5f40933d7312a1e Mon Sep 17 00:00:00 2001
From: Michael Tremer <michael.tremer@ipfire.org>
Date: Wed, 23 Jul 2025 17:42:14 +0200
Subject: [PATCH] hostapd: Optionally select which antennas to use

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---
 src/initscripts/packages/hostapd | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/initscripts/packages/hostapd b/src/initscripts/packages/hostapd
index 7ac9daa58..84576e378 100644
--- a/src/initscripts/packages/hostapd
+++ b/src/initscripts/packages/hostapd
@@ -516,6 +516,17 @@ write_config() {
 		echo "ht_capab=${ht_caps[@]}"
 	fi
 
+	# Configure antennas
+	if [ -z "${RX_ANTENNAS}" ]; then
+		RX_ANTENNAS="0xffffffff"
+	fi
+	if [ -z "${TX_ANTENNAS}" ]; then
+		TX_ANTENNAS="0xffffffff"
+	fi
+
+	# Set the antennas to use
+	iw phy "${phy}" set antenna "${TX_ANTENNAS}" "${RX_ANTENNAS}" &>/dev/null
+
 	# Enable authentication
 	echo "auth_algs=1"
 
-- 
2.47.3