remote: close file on usteer_init_local_id fread fail
[project/usteer.git] / ubus.c
diff --git a/ubus.c b/ubus.c
index eb5d0fffa447ce452ed20c67c2769f1981371300..40daf7482eeb40db44c95403ee83ead130185d1d 100644 (file)
--- a/ubus.c
+++ b/ubus.c
 static struct blob_buf b;
 static KVLIST(host_info, kvlist_blob_len);
 
+static void *
+blobmsg_open_table_mac(struct blob_buf *buf, uint8_t *addr)
+{
+       char str[20];
+       sprintf(str, MAC_ADDR_FMT, MAC_ADDR_DATA(addr));
+       return blobmsg_open_table(buf, str);
+}
+
 static int
 usteer_ubus_get_clients(struct ubus_context *ctx, struct ubus_object *obj,
                       struct ubus_request_data *req, const char *method,
@@ -38,13 +46,11 @@ usteer_ubus_get_clients(struct ubus_context *ctx, struct ubus_object *obj,
 {
        struct sta_info *si;
        struct sta *sta;
-       char str[20];
        void *_s, *_cur_n;
 
        blob_buf_init(&b, 0);
        avl_for_each_element(&stations, sta, avl) {
-               sprintf(str, MAC_ADDR_FMT, MAC_ADDR_DATA(sta->addr));
-               _s = blobmsg_open_table(&b, str);
+               _s = blobmsg_open_table_mac(&b, sta->addr);
                list_for_each_entry(si, &sta->nodes, list) {
                        _cur_n = blobmsg_open_table(&b, usteer_node_name(si->node));
                        blobmsg_add_u8(&b, "connected", si->connected);
@@ -143,12 +149,14 @@ struct cfg_item {
        _cfg(BOOL, syslog), \
        _cfg(U32, debug_level), \
        _cfg(BOOL, ipv6), \
+       _cfg(BOOL, local_mode), \
        _cfg(U32, sta_block_timeout), \
        _cfg(U32, local_sta_timeout), \
        _cfg(U32, local_sta_update), \
        _cfg(U32, max_neighbor_reports), \
        _cfg(U32, max_retry_band), \
        _cfg(U32, seen_policy_timeout), \
+       _cfg(U32, measurement_report_timeout), \
        _cfg(U32, load_balancing_threshold), \
        _cfg(U32, band_steering_threshold), \
        _cfg(U32, remote_update_interval), \
@@ -156,6 +164,8 @@ struct cfg_item {
        _cfg(BOOL, assoc_steering), \
        _cfg(I32, min_connect_snr), \
        _cfg(I32, min_snr), \
+       _cfg(U32, min_snr_kick_delay), \
+       _cfg(U32, steer_reject_timeout), \
        _cfg(U32, roam_process_timeout), \
        _cfg(I32, roam_scan_snr), \
        _cfg(U32, roam_scan_tries), \
@@ -171,6 +181,9 @@ struct cfg_item {
        _cfg(U32, load_kick_delay), \
        _cfg(U32, load_kick_min_clients), \
        _cfg(U32, load_kick_reason_code), \
+       _cfg(U32, band_steering_interval), \
+       _cfg(I32, band_steering_min_snr), \
+       _cfg(U32, link_measurement_interval), \
        _cfg(ARRAY_CB, interfaces), \
        _cfg(STRING_CB, node_up_script), \
        _cfg(ARRAY_CB, event_log_types), \
@@ -280,6 +293,7 @@ void usteer_dump_node(struct blob_buf *buf, struct usteer_node *node)
 
        c = blobmsg_open_table(buf, usteer_node_name(node));
        blobmsg_printf(buf, "bssid", MAC_ADDR_FMT, MAC_ADDR_DATA(node->bssid));
+       blobmsg_add_string(buf, "ssid", node->ssid);
        blobmsg_add_u32(buf, "freq", node->freq);
        blobmsg_add_u32(buf, "n_assoc", node->n_assoc);
        blobmsg_add_u32(buf, "noise", node->noise);
@@ -367,6 +381,105 @@ usteer_ubus_remote_info(struct ubus_context *ctx, struct ubus_object *obj,
        return 0;
 }
 
+static const char *usteer_get_roam_sm_name(enum roam_trigger_state state)
+{
+       switch (state) {
+               case ROAM_TRIGGER_IDLE:
+                       return "ROAM_TRIGGER_IDLE";
+               case ROAM_TRIGGER_SCAN:
+                       return "ROAM_TRIGGER_SCAN";
+               case ROAM_TRIGGER_SCAN_DONE:
+                       return "ROAM_TRIGGER_SCAN_DONE";
+       }
+       return "N/A";
+}
+
+static int
+usteer_ubus_get_connected_clients(struct ubus_context *ctx, struct ubus_object *obj,
+                                 struct ubus_request_data *req, const char *method,
+                                 struct blob_attr *msg)
+{
+       struct usteer_measurement_report *mr;
+       struct usteer_node *node;
+       struct sta_info *si;
+       void *n, *s, *t, *a;
+
+       blob_buf_init(&b, 0);
+
+       for_each_local_node(node) {
+               n = blobmsg_open_table(&b, usteer_node_name(node));
+
+               list_for_each_entry(si, &node->sta_info, node_list) {
+                       if (si->connected != STA_CONNECTED)
+                               continue;
+
+                       s = blobmsg_open_table_mac(&b, si->sta->addr);
+                       blobmsg_add_u32(&b, "signal", si->signal);
+                       blobmsg_add_u64(&b, "created", current_time - si->created);
+                       blobmsg_add_u64(&b, "connected", current_time - si->connected_since);
+
+                       t = blobmsg_open_table(&b, "snr-kick");
+                       blobmsg_add_u32(&b, "seen-below", si->below_min_snr);
+                       blobmsg_close_table(&b, t);
+
+                       t = blobmsg_open_table(&b, "roam-state-machine");
+                       blobmsg_add_string(&b, "state",usteer_get_roam_sm_name(si->roam_state));
+                       blobmsg_add_u32(&b, "tries", si->roam_tries);
+                       blobmsg_add_u64(&b, "event", si->roam_event ? current_time - si->roam_event : 0);
+                       blobmsg_add_u32(&b, "kick-count", si->kick_count);
+                       blobmsg_add_u64(&b, "last-kick", si->roam_kick ? current_time - si->roam_kick : 0);
+                       blobmsg_add_u64(&b, "scan_start", si->roam_scan_start ? current_time - si->roam_scan_start : 0);
+                       blobmsg_add_u64(&b, "scan_timeout_start", si->roam_scan_timeout_start ? current_time - si->roam_scan_timeout_start : 0);
+                       blobmsg_close_table(&b, t);
+
+                       t = blobmsg_open_table(&b, "bss-transition-response");
+                       blobmsg_add_u32(&b, "status-code", si->bss_transition_response.status_code);
+                       blobmsg_add_u64(&b, "age", si->bss_transition_response.timestamp ? current_time - si->bss_transition_response.timestamp : 0);
+                       blobmsg_close_table(&b, t);
+
+                       /* Beacon measurement modes */
+                       a = blobmsg_open_array(&b, "beacon-measurement-modes");
+                       if (usteer_sta_supports_beacon_measurement_mode(si, BEACON_MEASUREMENT_PASSIVE))
+                               blobmsg_add_string(&b, "", "PASSIVE");
+                       if (usteer_sta_supports_beacon_measurement_mode(si, BEACON_MEASUREMENT_ACTIVE))
+                               blobmsg_add_string(&b, "", "ACTIVE");
+                       if (usteer_sta_supports_beacon_measurement_mode(si, BEACON_MEASUREMENT_TABLE))
+                               blobmsg_add_string(&b, "", "TABLE");
+                       blobmsg_close_array(&b, a);
+
+                       /* Link-Measurement support */
+                       blobmsg_add_u8(&b, "link-measurement", usteer_sta_supports_link_measurement(si));
+
+                       /* BSS-Transition support */
+                       blobmsg_add_u8(&b, "bss-transition-management", si->bss_transition);
+
+                       /* MBO support */
+                       blobmsg_add_u8(&b, "multi-band-operation", si->mbo);
+
+                       /* Measurements */
+                       a = blobmsg_open_array(&b, "measurements");
+                       list_for_each_entry(mr, &si->sta->measurements, sta_list) {
+                               t = blobmsg_open_table(&b, "");
+                               blobmsg_add_string(&b, "node", usteer_node_name(mr->node));
+                               blobmsg_add_u32(&b, "rcpi", mr->rcpi);
+                               blobmsg_add_u32(&b, "rsni", mr->rsni);
+                               blobmsg_add_u32(&b, "rssi", usteer_measurement_get_rssi(mr));
+                               blobmsg_add_u64(&b, "age", current_time - mr->timestamp);
+                               blobmsg_close_table(&b, t);
+                       }
+                       blobmsg_close_array(&b, a);
+
+                       blobmsg_close_table(&b, s);
+               }
+
+               blobmsg_close_table(&b, n);
+       }
+
+       ubus_send_reply(ctx, req, b.head);
+
+       return 0;
+}
+
 enum {
        NODE_DATA_NODE,
        NODE_DATA_VALUES,
@@ -461,6 +574,7 @@ static const struct ubus_method usteer_methods[] = {
        UBUS_METHOD_NOARG("local_info", usteer_ubus_local_info),
        UBUS_METHOD_NOARG("remote_hosts", usteer_ubus_remote_hosts),
        UBUS_METHOD_NOARG("remote_info", usteer_ubus_remote_info),
+       UBUS_METHOD_NOARG("connected_clients", usteer_ubus_get_connected_clients),
        UBUS_METHOD_NOARG("get_clients", usteer_ubus_get_clients),
        UBUS_METHOD("get_client_info", usteer_ubus_get_client_info, client_arg),
        UBUS_METHOD_NOARG("get_config", usteer_ubus_get_config),
@@ -496,6 +610,9 @@ usteer_add_nr_entry(struct usteer_node *ln, struct usteer_node *node)
        if (strcmp(ln->ssid, node->ssid) != 0)
                return false;
 
+       if (!usteer_policy_node_below_max_assoc(node))
+               return false;
+
        blobmsg_parse_array(policy, ARRAY_SIZE(tb), tb,
                            blobmsg_data(node->rrm_nr),
                            blobmsg_data_len(node->rrm_nr));
@@ -509,6 +626,16 @@ usteer_add_nr_entry(struct usteer_node *ln, struct usteer_node *node)
        return true;
 }
 
+static void
+usteer_ubus_disassoc_add_neighbor(struct sta_info *si, struct usteer_node *node)
+{
+       void *c;
+
+       c = blobmsg_open_array(&b, "neighbors");
+       usteer_add_nr_entry(si->node, node);
+       blobmsg_close_array(&b, c);
+}
+
 static void
 usteer_ubus_disassoc_add_neighbors(struct sta_info *si)
 {
@@ -544,7 +671,8 @@ int usteer_ubus_bss_transition_request(struct sta_info *si,
                                       uint8_t dialog_token,
                                       bool disassoc_imminent,
                                       bool abridged,
-                                      uint8_t validity_period)
+                                      uint8_t validity_period,
+                                      struct usteer_node *target_node)
 {
        struct usteer_local_node *ln = container_of(si->node, struct usteer_local_node, node);
 
@@ -554,26 +682,58 @@ int usteer_ubus_bss_transition_request(struct sta_info *si,
        blobmsg_add_u8(&b, "disassociation_imminent", disassoc_imminent);
        blobmsg_add_u8(&b, "abridged", abridged);
        blobmsg_add_u32(&b, "validity_period", validity_period);
-       usteer_ubus_disassoc_add_neighbors(si);
+       if (!target_node) {
+               usteer_ubus_disassoc_add_neighbors(si);
+       } else {
+               usteer_ubus_disassoc_add_neighbor(si, target_node);
+       }
+       return ubus_invoke(ubus_ctx, ln->obj_id, "bss_transition_request", b.head, NULL, 0, 100);
+}
+
+int usteer_ubus_band_steering_request(struct sta_info *si)
+{
+       struct usteer_local_node *ln = container_of(si->node, struct usteer_local_node, node);
+       struct usteer_node *node;
+       void *c;
+
+       blob_buf_init(&b, 0);
+       blobmsg_printf(&b, "addr", MAC_ADDR_FMT, MAC_ADDR_DATA(si->sta->addr));
+       blobmsg_add_u32(&b, "dialog_token", 0);
+       blobmsg_add_u8(&b, "disassociation_imminent", false);
+       blobmsg_add_u8(&b, "abridged", false);
+       blobmsg_add_u32(&b, "validity_period", 100);
+
+       c = blobmsg_open_array(&b, "neighbors");
+       for_each_local_node(node) {
+               if (!usteer_band_steering_is_target(ln, node))
+                       continue;
+       
+               usteer_add_nr_entry(si->node, node);
+       }
+       blobmsg_close_array(&b, c);
+
        return ubus_invoke(ubus_ctx, ln->obj_id, "bss_transition_request", b.head, NULL, 0, 100);
 }
 
-int usteer_ubus_notify_client_disassoc(struct sta_info *si)
+int usteer_ubus_trigger_link_measurement(struct sta_info *si)
 {
        struct usteer_local_node *ln = container_of(si->node, struct usteer_local_node, node);
 
+       if (!usteer_sta_supports_link_measurement(si))
+               return 0;
+
        blob_buf_init(&b, 0);
        blobmsg_printf(&b, "addr", MAC_ADDR_FMT, MAC_ADDR_DATA(si->sta->addr));
-       blobmsg_add_u32(&b, "duration", config.roam_kick_delay);
-       usteer_ubus_disassoc_add_neighbors(si);
-       return ubus_invoke(ubus_ctx, ln->obj_id, "wnm_disassoc_imminent", b.head, NULL, 0, 100);
+       blobmsg_add_u32(&b, "tx-power-used", 5);
+       blobmsg_add_u32(&b, "tx-power-max", 10);
+       return ubus_invoke(ubus_ctx, ln->obj_id, "link_measurement_req", b.head, NULL, 0, 100);
 }
 
 int usteer_ubus_trigger_client_scan(struct sta_info *si)
 {
        struct usteer_local_node *ln = container_of(si->node, struct usteer_local_node, node);
 
-       if (!usteer_sta_supports_beacon_measurement_mode(si->sta, BEACON_MEASUREMENT_ACTIVE)) {
+       if (!usteer_sta_supports_beacon_measurement_mode(si, BEACON_MEASUREMENT_ACTIVE)) {
                MSG(DEBUG, "STA does not support beacon measurement sta=" MAC_ADDR_FMT "\n", MAC_ADDR_DATA(si->sta->addr));
                return 0;
        }
@@ -600,6 +760,7 @@ void usteer_ubus_kick_client(struct sta_info *si)
        blobmsg_add_u8(&b, "deauth", 1);
        ubus_invoke(ubus_ctx, ln->obj_id, "del_client", b.head, NULL, 0, 100);
        usteer_sta_disconnected(si);
+       si->kick_count++;
        si->roam_kick = current_time;
 }