/*
* hostapd / Station table
- * Copyright (c) 2002-2007, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2002-2008, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2007-2008, Intel Corporation
*
* 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
#include "wpa.h"
#include "preauth.h"
#include "radius/radius_client.h"
-#include "driver.h"
+#include "driver_i.h"
#include "beacon.h"
#include "hw_features.h"
#include "mlme.h"
static int ap_sta_in_other_bss(struct hostapd_data *hapd,
struct sta_info *sta, u32 flags);
static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx);
+#ifdef CONFIG_IEEE80211W
+static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx);
+#endif /* CONFIG_IEEE80211W */
int ap_for_each_sta(struct hostapd_data *hapd,
int (*cb)(struct hostapd_data *hapd, struct sta_info *sta,
ap_sta_list_del(hapd, sta);
if (sta->aid > 0)
- hapd->sta_aid[sta->aid - 1] = NULL;
+ hapd->sta_aid[(sta->aid - 1) / 32] &=
+ ~BIT((sta->aid - 1) % 32);
hapd->num_sta--;
if (sta->nonerp_set) {
}
#ifdef CONFIG_IEEE80211N
- if (sta->flags & WLAN_STA_HT) {
- if ((sta->ht_capabilities.data.capabilities_info &
- HT_CAP_INFO_GREEN_FIELD) == 0)
- hapd->iface->num_sta_ht_no_gf--;
- if ((sta->ht_capabilities.data.capabilities_info &
- HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) == 0)
- hapd->iface->num_sta_ht_20mhz--;
- } else
+ if (sta->no_ht_gf_set) {
+ sta->no_ht_gf_set = 0;
+ hapd->iface->num_sta_ht_no_gf--;
+ }
+
+ if (sta->no_ht_set) {
+ sta->no_ht_set = 0;
hapd->iface->num_sta_no_ht--;
+ }
+
+ if (sta->ht_20mhz_set) {
+ sta->ht_20mhz_set = 0;
+ hapd->iface->num_sta_ht_20mhz--;
+ }
+#ifdef NEED_MLME
if (hostapd_ht_operation_update(hapd->iface) > 0)
set_beacon++;
+#endif /* NEED_MLME */
#endif /* CONFIG_IEEE80211N */
if (set_beacon)
os_free(sta->last_assoc_req);
os_free(sta->challenge);
+
+#ifdef CONFIG_IEEE80211W
+ os_free(sta->sa_query_trans_id);
+ eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
+#endif /* CONFIG_IEEE80211W */
+
+ wpabuf_free(sta->wps_ie);
+
os_free(sta);
}
}
+/**
+ * ap_handle_timer - Per STA timer handler
+ * @eloop_ctx: struct hostapd_data *
+ * @timeout_ctx: struct sta_info *
+ *
+ * This function is called to check station activity and to remove inactive
+ * stations.
+ */
void ap_handle_timer(void *eloop_ctx, void *timeout_ctx)
{
struct hostapd_data *hapd = eloop_ctx;
sta->flags |= WLAN_STA_PENDING_POLL;
#ifndef CONFIG_NATIVE_WINDOWS
- /* FIX: WLAN_FC_STYPE_NULLFUNC would be more appropriate, but
- * it is apparently not retried so TX Exc events are not
- * received for it */
os_memset(&hdr, 0, sizeof(hdr));
- hdr.frame_control =
- IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
- hdr.frame_control |= host_to_le16(BIT(1));
+ if (hapd->driver &&
+ os_strcmp(hapd->driver->name, "hostap") == 0) {
+ /*
+ * WLAN_FC_STYPE_NULLFUNC would be more appropriate,
+ * but it is apparently not retried so TX Exc events
+ * are not received for it.
+ */
+ hdr.frame_control =
+ IEEE80211_FC(WLAN_FC_TYPE_DATA,
+ WLAN_FC_STYPE_DATA);
+ } else {
+ hdr.frame_control =
+ IEEE80211_FC(WLAN_FC_TYPE_DATA,
+ WLAN_FC_STYPE_NULLFUNC);
+ }
+
hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
os_memcpy(hdr.IEEE80211_DA_FROMDS, sta->addr, ETH_ALEN);
os_memcpy(hdr.IEEE80211_BSSID_FROMDS, hapd->own_addr,
ETH_ALEN);
os_memcpy(hdr.IEEE80211_SA_FROMDS, hapd->own_addr, ETH_ALEN);
- if (hostapd_send_mgmt_frame(hapd, &hdr, sizeof(hdr), 0) < 0)
+ if (hostapd_send_mgmt_frame(hapd, &hdr, sizeof(hdr)) < 0)
perror("ap_handle_timer: send");
#endif /* CONFIG_NATIVE_WINDOWS */
} else if (sta->timeout_next != STA_REMOVE) {
int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta,
int old_vlanid)
{
+#ifndef CONFIG_NO_VLAN
const char *iface;
struct hostapd_vlan *vlan = NULL;
wpa_printf(MSG_INFO, "Failed to update VLAN-ID for WPA");
return hostapd_set_sta_vlan(iface, hapd, sta->addr, sta->vlan_id);
+#else /* CONFIG_NO_VLAN */
+ return 0;
+#endif /* CONFIG_NO_VLAN */
+}
+
+
+#ifdef CONFIG_IEEE80211W
+
+int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta)
+{
+ u32 tu;
+ struct os_time now, passed;
+ os_get_time(&now);
+ os_time_sub(&now, &sta->sa_query_start, &passed);
+ tu = (passed.sec * 1000000 + passed.usec) / 1024;
+ if (hapd->conf->assoc_sa_query_max_timeout < tu) {
+ hostapd_logger(hapd, sta->addr,
+ HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_DEBUG,
+ "association SA Query timed out");
+ sta->sa_query_timed_out = 1;
+ os_free(sta->sa_query_trans_id);
+ sta->sa_query_trans_id = NULL;
+ sta->sa_query_count = 0;
+ eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
+ return 1;
+ }
+
+ return 0;
+}
+
+
+static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx)
+{
+ struct hostapd_data *hapd = eloop_ctx;
+ struct sta_info *sta = timeout_ctx;
+ unsigned int timeout, sec, usec;
+ u8 *trans_id, *nbuf;
+
+ if (sta->sa_query_count > 0 &&
+ ap_check_sa_query_timeout(hapd, sta))
+ return;
+
+ nbuf = os_realloc(sta->sa_query_trans_id,
+ (sta->sa_query_count + 1) * WLAN_SA_QUERY_TR_ID_LEN);
+ if (nbuf == NULL)
+ return;
+ if (sta->sa_query_count == 0) {
+ /* Starting a new SA Query procedure */
+ os_get_time(&sta->sa_query_start);
+ }
+ trans_id = nbuf + sta->sa_query_count * WLAN_SA_QUERY_TR_ID_LEN;
+ sta->sa_query_trans_id = nbuf;
+ sta->sa_query_count++;
+
+ os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN);
+
+ timeout = hapd->conf->assoc_sa_query_retry_timeout;
+ sec = ((timeout / 1000) * 1024) / 1000;
+ usec = (timeout % 1000) * 1024;
+ eloop_register_timeout(sec, usec, ap_sa_query_timer, hapd, sta);
+
+ hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_DEBUG,
+ "association SA Query attempt %d", sta->sa_query_count);
+
+#ifdef NEED_MLME
+ ieee802_11_send_sa_query_req(hapd, sta->addr, trans_id);
+#endif /* NEED_MLME */
+}
+
+
+void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta)
+{
+ ap_sa_query_timer(hapd, sta);
+}
+
+
+void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta)
+{
+ eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
+ os_free(sta->sa_query_trans_id);
+ sta->sa_query_trans_id = NULL;
+ sta->sa_query_count = 0;
}
+
+#endif /* CONFIG_IEEE80211W */
projects / wpasupplicant / blobdiff