policy: export snr_to_signal to other source files

Export snr_to_signal to other source files. This will be necessary to
determine reported signal strengths from beacon-report throughout the
code base.

Signed-off-by: David Bauer <mail@david-bauer.net>

diff --git a/policy.c b/policy.c
index 4ed85a16e0b3f154bf2c650bc4033017756b9c15..2b94d87bd163fbdacd05ff67a7557b5c868aa2c4 100644 (file)
--- a/policy.c
+++ b/policy.c
@@ -129,8 +129,8 @@ find_better_candidate(struct sta_info *si_ref, struct uevent *ev, uint32_t requi
        return NULL;
 }
 
-static int
-snr_to_signal(struct usteer_node *node, int snr)
+int
+usteer_snr_to_signal(struct usteer_node *node, int snr)
 {
        int noise = -95;
 
@@ -161,10 +161,10 @@ usteer_check_request(struct sta_info *si, enum usteer_event_type type)
                 *
                 * Otherwise, the client potentially ends up in a assoc - kick loop.
                 */
-               if (config.min_snr && si->signal < snr_to_signal(si->node, config.min_snr)) {
+               if (config.min_snr && si->signal < usteer_snr_to_signal(si->node, config.min_snr)) {
                        ev.reason = UEV_REASON_LOW_SIGNAL;
                        ev.threshold.cur = si->signal;
-                       ev.threshold.ref = snr_to_signal(si->node, config.min_snr);
+                       ev.threshold.ref = usteer_snr_to_signal(si->node, config.min_snr);
                        ret = false;
                        goto out;
                } else if (!config.assoc_steering) {
@@ -172,7 +172,7 @@ usteer_check_request(struct sta_info *si, enum usteer_event_type type)
                }
        }
 
-       min_signal = snr_to_signal(si->node, config.min_connect_snr);
+       min_signal = usteer_snr_to_signal(si->node, config.min_connect_snr);
        if (si->signal < min_signal) {
                ev.reason = UEV_REASON_LOW_SIGNAL;
                ev.threshold.cur = si->signal;
@@ -265,7 +265,7 @@ usteer_roam_trigger_sm(struct sta_info *si)
        };
        int min_signal;
 
-       min_signal = snr_to_signal(si->node, config.roam_trigger_snr);
+       min_signal = usteer_snr_to_signal(si->node, config.roam_trigger_snr);
 
        switch (si->roam_state) {
        case ROAM_TRIGGER_SCAN:
@@ -345,7 +345,7 @@ usteer_local_node_roam_check(struct usteer_local_node *ln, struct uevent *ev)
                return;
 
        usteer_update_time();
-       min_signal = snr_to_signal(&ln->node, min_signal);
+       min_signal = usteer_snr_to_signal(&ln->node, min_signal);
 
        list_for_each_entry(si, &ln->node.sta_info, node_list) {
                if (si->connected != STA_CONNECTED || si->signal >= min_signal ||
@@ -375,7 +375,7 @@ usteer_local_node_snr_kick(struct usteer_local_node *ln)
        if (!config.min_snr)
                return;
 
-       min_signal = snr_to_signal(&ln->node, config.min_snr);
+       min_signal = usteer_snr_to_signal(&ln->node, config.min_snr);
        ev.threshold.ref = min_signal;
 
        list_for_each_entry(si, &ln->node.sta_info, node_list) {

diff --git a/usteer.h b/usteer.h
index 53767074ee8e39429ffd2bf6436195d0fbd95b6c..7bf6aa32cfd46328f7c9f4d76e682b68002f246d 100644 (file)
--- a/usteer.h
+++ b/usteer.h
@@ -262,6 +262,8 @@ void usteer_init_defaults(void);
 bool usteer_handle_sta_event(struct usteer_node *node, const uint8_t *addr,
                            enum usteer_event_type type, int freq, int signal);
 
+int usteer_snr_to_signal(struct usteer_node *node, int snr);
+
 void usteer_local_nodes_init(struct ubus_context *ctx);
 void usteer_local_node_kick(struct usteer_local_node *ln);