[][MAC80211][MT76/Hostapd/MAC80211 internal patches refactor]

[Description]
Refactor MT76/Hostapd/MAC80211 patches for common use

[Release-log]
N/A

Change-Id: I971fa053b9a523a3e871ab2d2c3b89a3c96c04df
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5799282
diff --git a/autobuild_mac80211_release/package/network/services/hostapd/patches/902-master-Add-hostapd_neighbor_count-and-hostapd_neighbor_inse.patch b/autobuild_mac80211_release/package/network/services/hostapd/patches/902-master-Add-hostapd_neighbor_count-and-hostapd_neighbor_inse.patch
new file mode 100644
index 0000000..e761c00
--- /dev/null
+++ b/autobuild_mac80211_release/package/network/services/hostapd/patches/902-master-Add-hostapd_neighbor_count-and-hostapd_neighbor_inse.patch
@@ -0,0 +1,72 @@
+From 413cb1d917383c5f4cb4bb6b94310c4f193a9187 Mon Sep 17 00:00:00 2001
+From: "howard.hsu" <howard-yh.hsu@mediatek.com>
+Date: Wed, 19 Jan 2022 19:18:07 +0800
+Subject: [PATCH 1/9] Add hostapd_neighbor_count() and
+ hostapd_neighbor_insert_buffer ()
+
+The first function can count the number of neighbor report in neighbore report
+database. The second can iterate neighbor report database to build up neighbor
+report data.
+---
+ src/ap/neighbor_db.c | 32 ++++++++++++++++++++++++++++++++
+ src/ap/neighbor_db.h |  3 +++
+ 2 files changed, 35 insertions(+)
+
+diff --git a/src/ap/neighbor_db.c b/src/ap/neighbor_db.c
+index 229edd2..ce6865d 100644
+--- a/src/ap/neighbor_db.c
++++ b/src/ap/neighbor_db.c
+@@ -89,6 +89,38 @@ int hostapd_neighbor_show(struct hostapd_data *hapd, char *buf, size_t buflen)
+ }
+ 
+ 
++int hostapd_neighbor_count(struct hostapd_data *hapd)
++{
++	struct hostapd_neighbor_entry *nr;
++	int count = 0;
++
++	dl_list_for_each(nr, &hapd->nr_db, struct hostapd_neighbor_entry,
++			 list) {
++		count++;
++	}
++	return count;
++}
++
++
++int hostapd_neighbor_insert_buffer(struct hostapd_data *hapd, char *buf,
++        size_t buflen)
++{
++	struct hostapd_neighbor_entry *nr;
++	char *pos = buf;
++
++	dl_list_for_each(nr, &hapd->nr_db, struct hostapd_neighbor_entry,
++			 list) {
++		/* For neighbor report IE, we only need bssid and nr*/
++		*pos++ = WLAN_EID_NEIGHBOR_REPORT;
++		*pos++ = wpabuf_len(nr->nr);
++		os_memcpy(pos, wpabuf_head(nr->nr), wpabuf_len(nr->nr));
++		pos += wpabuf_len(nr->nr);
++	}
++
++	return pos - buf;
++}
++
++
+ static void hostapd_neighbor_clear_entry(struct hostapd_neighbor_entry *nr)
+ {
+ 	wpabuf_free(nr->nr);
+diff --git a/src/ap/neighbor_db.h b/src/ap/neighbor_db.h
+index 992671b..1ae194d 100644
+--- a/src/ap/neighbor_db.h
++++ b/src/ap/neighbor_db.h
+@@ -24,4 +24,7 @@ int hostapd_neighbor_remove(struct hostapd_data *hapd, const u8 *bssid,
+ 			    const struct wpa_ssid_value *ssid);
+ void hostapd_free_neighbor_db(struct hostapd_data *hapd);
+ 
++int hostapd_neighbor_count(struct hostapd_data *hapd);
++int hostapd_neighbor_insert_buffer(struct hostapd_data *hapd, char *buf,
++        size_t buflen);
+ #endif /* NEIGHBOR_DB_H */
+-- 
+2.18.0
+