aboutsummaryrefslogtreecommitdiffstats
path: root/wlantest/bss.c
diff options
context:
space:
mode:
authorJouni Malinen <j@w1.fi>2010-11-06 15:11:12 (GMT)
committerJouni Malinen <j@w1.fi>2010-11-07 21:29:00 (GMT)
commitd84d38935127dc6f64ed1c1b8aa986e85d99c9b6 (patch)
treef6369f0a3d8f6da1c2e8453e320f7224d898f720 /wlantest/bss.c
parenta149fcc77d3322bf23d1f53c2cd9fc84a1097c31 (diff)
downloadhostap-d84d38935127dc6f64ed1c1b8aa986e85d99c9b6.zip
hostap-d84d38935127dc6f64ed1c1b8aa986e85d99c9b6.tar.gz
hostap-d84d38935127dc6f64ed1c1b8aa986e85d99c9b6.tar.bz2
wlantest: Maintain table of BSS information
Whenever a Beacon or Probe Response frame is observed, add or update a BSS entry to maintain current information about the active BSSes.
Diffstat (limited to 'wlantest/bss.c')
-rw-r--r--wlantest/bss.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/wlantest/bss.c b/wlantest/bss.c
new file mode 100644
index 0000000..11b9248
--- /dev/null
+++ b/wlantest/bss.c
@@ -0,0 +1,48 @@
+/*
+ * BSS list
+ * Copyright (c) 2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "wlantest.h"
+
+
+struct wlantest_bss * bss_get(struct wlantest *wt, const u8 *bssid)
+{
+ struct wlantest_bss *bss;
+
+ if (bssid[0] & 0x01)
+ return NULL; /* Skip group addressed frames */
+
+ dl_list_for_each(bss, &wt->bss, struct wlantest_bss, list) {
+ if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0)
+ return bss;
+ }
+
+ bss = os_zalloc(sizeof(*bss));
+ if (bss == NULL)
+ return NULL;
+ os_memcpy(bss->bssid, bssid, ETH_ALEN);
+ dl_list_add(&wt->bss, &bss->list);
+ wpa_printf(MSG_DEBUG, "Discovered new BSS - " MACSTR,
+ MAC2STR(bss->bssid));
+ return bss;
+}
+
+
+void bss_deinit(struct wlantest_bss *bss)
+{
+ dl_list_del(&bss->list);
+ os_free(bss);
+}