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policy: export snr_to_signal to other source files

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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>
This commit is contained in:
David Bauer
2021-12-20 22:32:00 +01:00
parent 1c5a738272
commit 3c1dd5155d
2 changed files with 10 additions and 8 deletions
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16
policy.c
View File

@@ -129,8 +129,8 @@ find_better_candidate(struct sta_info *si_ref, struct uevent *ev, uint32_t requi
return NULL; return NULL;
} }
static int int
snr_to_signal(struct usteer_node *node, int snr) usteer_snr_to_signal(struct usteer_node *node, int snr)
{ {
int noise = -95; 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. * 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.reason = UEV_REASON_LOW_SIGNAL;
ev.threshold.cur = si->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; ret = false;
goto out; goto out;
} else if (!config.assoc_steering) { } 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) { if (si->signal < min_signal) {
ev.reason = UEV_REASON_LOW_SIGNAL; ev.reason = UEV_REASON_LOW_SIGNAL;
ev.threshold.cur = si->signal; ev.threshold.cur = si->signal;
@@ -265,7 +265,7 @@ usteer_roam_trigger_sm(struct sta_info *si)
}; };
int min_signal; 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) { switch (si->roam_state) {
case ROAM_TRIGGER_SCAN: case ROAM_TRIGGER_SCAN:
@@ -345,7 +345,7 @@ usteer_local_node_roam_check(struct usteer_local_node *ln, struct uevent *ev)
return; return;
usteer_update_time(); 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) { list_for_each_entry(si, &ln->node.sta_info, node_list) {
if (si->connected != STA_CONNECTED || si->signal >= min_signal || 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) if (!config.min_snr)
return; 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; ev.threshold.ref = min_signal;
list_for_each_entry(si, &ln->node.sta_info, node_list) { list_for_each_entry(si, &ln->node.sta_info, node_list) {

2
usteer.h
View File

@@ -262,6 +262,8 @@ void usteer_init_defaults(void);
bool usteer_handle_sta_event(struct usteer_node *node, const uint8_t *addr, bool usteer_handle_sta_event(struct usteer_node *node, const uint8_t *addr,
enum usteer_event_type type, int freq, int signal); 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_nodes_init(struct ubus_context *ctx);
void usteer_local_node_kick(struct usteer_local_node *ln); void usteer_local_node_kick(struct usteer_local_node *ln);