qca-wifi-7/hostapd: keep BSS coloring enabled with the same color if there is no free colors

Fixes: WIFI-15279

Signed-off-by: Sebastian Huang <[email protected]>

Author: SebastianHuang-ec

feeds/qca-wifi-7/hostapd/patches/zzz-t01-keep-the-same-color-when-no-free-color.patch

@@ -0,0 +1,20 @@
+diff -urp a/src/ap/hostapd.c b/src/ap/hostapd.c
+--- a/src/ap/hostapd.c	2025-10-28 15:50:59.024346272 +0800
++++ b/src/ap/hostapd.c	2025-12-09 23:03:55.351738472 +0800
+@@ -5115,14 +5115,11 @@ static void hostapd_switch_color_timeout
+ 	}
+ 
+ 	if (i == HE_OPERATION_BSS_COLOR_MAX) {
+-		/* There are no free colors so turn BSS coloring off */
++		/* There are no free colors so do not change color and wait for next check */
+ 		wpa_printf(MSG_INFO,
+-			   "No free colors left, turning off BSS coloring");
++			   "No free colors left, stay at the same color");
+ 		hapd->iface->conf->he_op.he_bss_color_disabled = 1;
+-		hapd->iface->conf->he_op.he_bss_color = os_random() % 63 + 1;
+ 		hapd->no_free_color = 1;
+-		for (b = 0; b < hapd->iface->num_bss; b++)
+-			ieee802_11_set_beacon(hapd->iface->bss[b]);
+ 
+ 		 /* Enabling for next check after timeout*/
+ 		 hapd->iface->conf->he_op.he_bss_color_disabled = 0;