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policy: improve readability

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Signed-off-by: David Bauer <mail@david-bauer.net>
This commit is contained in:
David Bauer
2022-08-17 02:06:08 +02:00
parent 041e884240
commit 9e6002d29a
1 changed files with 27 additions and 4 deletions
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31
policy.c
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@@ -378,6 +378,32 @@ usteer_roam_trigger_sm(struct usteer_local_node *ln, struct sta_info *si)
return false; return false;
} }
static bool
usteer_local_node_roam_sm_active(struct sta_info *si, int min_signal)
{
/* Only trigger for connected STAs */
if (si->connected != STA_CONNECTED)
return false;
/* Signal has to be below scan / roam threshold */
if (si->signal >= min_signal)
return false;
/* Skip on pending kick */
if (si->kick_time)
return false;
/* Skip on rejected transition */
if (si->bss_transition_response.status_code && current_time - si->bss_transition_response.timestamp < config.steer_reject_timeout)
return false;
/* Skip on previous kick attempt */
if (current_time - si->roam_kick < config.roam_trigger_interval)
return false;
return true;
}
static void static void
usteer_local_node_roam_check(struct usteer_local_node *ln, struct uevent *ev) usteer_local_node_roam_check(struct usteer_local_node *ln, struct uevent *ev)
{ {
@@ -395,10 +421,7 @@ usteer_local_node_roam_check(struct usteer_local_node *ln, struct uevent *ev)
min_signal = usteer_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 (!usteer_local_node_roam_sm_active(si, min_signal)) {
si->kick_time ||
(si->bss_transition_response.status_code && current_time - si->bss_transition_response.timestamp < config.steer_reject_timeout) ||
current_time - si->roam_kick < config.roam_trigger_interval) {
usteer_roam_set_state(si, ROAM_TRIGGER_IDLE, ev); usteer_roam_set_state(si, ROAM_TRIGGER_IDLE, ev);
continue; continue;
} }