--- /dev/null
+/*
+ * FST module implementation
+ * Copyright (c) 2014, Qualcomm Atheros, Inc.
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "fst/fst.h"
+#include "fst/fst_internal.h"
+#include "fst/fst_defs.h"
+#include "fst/fst_ctrl_iface.h"
+
+static int fst_global_initialized = 0;
+struct dl_list fst_global_ctrls_list;
+
+
+static void fst_ctrl_iface_notify_peer_state_change(struct fst_iface *iface,
+ Boolean connected,
+ const u8 *peer_addr)
+{
+ union fst_event_extra extra;
+
+ extra.peer_state.connected = connected;
+ os_strlcpy(extra.peer_state.ifname, fst_iface_get_name(iface),
+ sizeof(extra.peer_state.ifname));
+ os_memcpy(extra.peer_state.addr, peer_addr, ETH_ALEN);
+
+ foreach_fst_ctrl_call(on_event, EVENT_PEER_STATE_CHANGED,
+ iface, NULL, &extra);
+}
+
+
+struct fst_iface * fst_attach(const char *ifname, const u8 *own_addr,
+ const struct fst_wpa_obj *iface_obj,
+ const struct fst_iface_cfg *cfg)
+{
+ struct fst_group *g;
+ struct fst_group *group = NULL;
+ struct fst_iface *iface = NULL;
+ Boolean new_group = FALSE;
+
+ WPA_ASSERT(ifname != NULL);
+ WPA_ASSERT(iface_obj != NULL);
+ WPA_ASSERT(cfg != NULL);
+
+ foreach_fst_group(g) {
+ if (os_strcmp(cfg->group_id, fst_group_get_id(g)) == 0) {
+ group = g;
+ break;
+ }
+ }
+
+ if (!group) {
+ group = fst_group_create(cfg->group_id);
+ if (!group) {
+ fst_printf(MSG_ERROR, "%s: FST group cannot be created",
+ cfg->group_id);
+ return NULL;
+ }
+ new_group = TRUE;
+ }
+
+ iface = fst_iface_create(group, ifname, own_addr, iface_obj, cfg);
+ if (!iface) {
+ fst_printf_group(group, MSG_ERROR, "cannot create iface for %s",
+ ifname);
+ if (new_group)
+ fst_group_delete(group);
+ return NULL;
+ }
+
+ fst_group_attach_iface(group, iface);
+ fst_group_update_ie(group);
+
+ foreach_fst_ctrl_call(on_iface_added, iface);
+
+ fst_printf_iface(iface, MSG_DEBUG,
+ "iface attached to group %s (prio=%d, llt=%d)",
+ cfg->group_id, cfg->priority, cfg->llt);
+
+ return iface;
+}
+
+
+void fst_detach(struct fst_iface *iface)
+{
+ struct fst_group *group = fst_iface_get_group(iface);
+
+ fst_printf_iface(iface, MSG_DEBUG, "iface detached from group %s",
+ fst_group_get_id(group));
+ fst_session_global_on_iface_detached(iface);
+ foreach_fst_ctrl_call(on_iface_removed, iface);
+ fst_group_detach_iface(group, iface);
+ fst_iface_delete(iface);
+ fst_group_update_ie(group);
+ fst_group_delete_if_empty(group);
+}
+
+
+int fst_global_init(void)
+{
+ dl_list_init(&fst_global_groups_list);
+ dl_list_init(&fst_global_ctrls_list);
+ fst_session_global_init();
+ fst_global_initialized = 1;
+ return 0;
+}
+
+
+void fst_global_deinit(void)
+{
+ struct fst_group *group;
+ struct fst_ctrl_handle *h;
+
+ if (!fst_global_initialized)
+ return;
+
+ fst_session_global_deinit();
+ while ((group = fst_first_group()) != NULL)
+ fst_group_delete(group);
+ while ((h = dl_list_first(&fst_global_ctrls_list,
+ struct fst_ctrl_handle,
+ global_ctrls_lentry)))
+ fst_global_del_ctrl(h);
+ fst_global_initialized = 0;
+}
+
+
+struct fst_ctrl_handle * fst_global_add_ctrl(const struct fst_ctrl *ctrl)
+{
+ struct fst_ctrl_handle *h;
+
+ if (!ctrl)
+ return NULL;
+
+ h = os_zalloc(sizeof(*h));
+ if (!h)
+ return NULL;
+
+ if (ctrl->init && ctrl->init()) {
+ os_free(h);
+ return NULL;
+ }
+
+ h->ctrl = *ctrl;
+ dl_list_add_tail(&fst_global_ctrls_list, &h->global_ctrls_lentry);
+
+ return h;
+}
+
+
+void fst_global_del_ctrl(struct fst_ctrl_handle *h)
+{
+ dl_list_del(&h->global_ctrls_lentry);
+ if (h->ctrl.deinit)
+ h->ctrl.deinit();
+ os_free(h);
+}
+
+
+void fst_rx_action(struct fst_iface *iface, const struct ieee80211_mgmt *mgmt,
+ size_t len)
+{
+ if (fst_iface_is_connected(iface, mgmt->sa, FALSE))
+ fst_session_on_action_rx(iface, mgmt, len);
+ else
+ wpa_printf(MSG_DEBUG,
+ "FST: Ignore FST Action frame - no FST connection with "
+ MACSTR, MAC2STR(mgmt->sa));
+}
+
+
+void fst_notify_peer_connected(struct fst_iface *iface, const u8 *addr)
+{
+ if (is_zero_ether_addr(addr))
+ return;
+
+#ifndef HOSTAPD
+ fst_group_update_ie(fst_iface_get_group(iface));
+#endif /* HOSTAPD */
+
+ fst_printf_iface(iface, MSG_DEBUG, MACSTR " became connected",
+ MAC2STR(addr));
+
+ fst_ctrl_iface_notify_peer_state_change(iface, TRUE, addr);
+}
+
+
+void fst_notify_peer_disconnected(struct fst_iface *iface, const u8 *addr)
+{
+ if (is_zero_ether_addr(addr))
+ return;
+
+#ifndef HOSTAPD
+ fst_group_update_ie(fst_iface_get_group(iface));
+#endif /* HOSTAPD */
+
+ fst_printf_iface(iface, MSG_DEBUG, MACSTR " became disconnected",
+ MAC2STR(addr));
+
+ fst_ctrl_iface_notify_peer_state_change(iface, FALSE, addr);
+}
+
+
+Boolean fst_are_ifaces_aggregated(struct fst_iface *iface1,
+ struct fst_iface *iface2)
+{
+ return fst_iface_get_group(iface1) == fst_iface_get_group(iface2);
+}
+
+
+enum mb_band_id fst_hw_mode_to_band(enum hostapd_hw_mode mode)
+{
+ switch (mode) {
+ case HOSTAPD_MODE_IEEE80211B:
+ case HOSTAPD_MODE_IEEE80211G:
+ return MB_BAND_ID_WIFI_2_4GHZ;
+ case HOSTAPD_MODE_IEEE80211A:
+ return MB_BAND_ID_WIFI_5GHZ;
+ case HOSTAPD_MODE_IEEE80211AD:
+ return MB_BAND_ID_WIFI_60GHZ;
+ default:
+ WPA_ASSERT(0);
+ return MB_BAND_ID_WIFI_2_4GHZ;
+ }
+}