From 1e28f602d70af2cc2c956d9bb41f09a248f5150f Mon Sep 17 00:00:00 2001
From: John Crispin <john@phrozen.org>
Date: Wed, 24 Jun 2020 15:12:11 +0200
Subject: [PATCH 3/4] RNR: add short_ssid to neighbor_db entries

The RNR IE requires this field.

Signed-off-by: John Crispin <john@phrozen.org>
---
 src/ap/hostapd.h     | 1 +
 src/ap/neighbor_db.c | 2 ++
 2 files changed, 3 insertions(+)

--- a/src/ap/hostapd.h
+++ b/src/ap/hostapd.h
@@ -140,6 +140,7 @@ struct hostapd_neighbor_entry {
 	struct os_time lci_date;
 	int stationary;
 	u8 bss_parameters;
+	u32 short_ssid;
 };
 
 struct hostapd_sae_commit_queue {
--- a/src/ap/neighbor_db.c
+++ b/src/ap/neighbor_db.c
@@ -10,6 +10,7 @@
 #include "utils/includes.h"
 
 #include "utils/common.h"
+#include "utils/crc32.h"
 #include "hostapd.h"
 #include "ieee802_11.h"
 #include "neighbor_db.h"
@@ -135,6 +136,7 @@ int hostapd_neighbor_set(struct hostapd_
 
 	os_memcpy(entry->bssid, bssid, ETH_ALEN);
 	os_memcpy(&entry->ssid, ssid, sizeof(entry->ssid));
+	entry->short_ssid = crc32(ssid->ssid, ssid->ssid_len);
 
 	entry->nr = wpabuf_dup(nr);
 	if (!entry->nr)
