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Add shared periodic cleanup function for AP mode 

This new mechanism can be used to combine multiple periodic AP
(including P2P GO) task into a single eloop timeout to minimize number
of wakeups for the process. hostapd gets its own periodic caller and
wpa_supplicant uses the previously added timer to trigger these calls.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2015-07-20 13:33:30 +03:00 committed by Jouni Malinen
parent 8c0d0ff22e
commit 3188aabaf1
6 changed files with 46 additions and 1 deletions
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26
hostapd/main.c
View File

@ -534,6 +534,28 @@ static int gen_uuid(const char *txt_addr)
#endif /* CONFIG_WPS */
#ifndef HOSTAPD_CLEANUP_INTERVAL
#define HOSTAPD_CLEANUP_INTERVAL 10
#endif /* HOSTAPD_CLEANUP_INTERVAL */
static int hostapd_periodic_call(struct hostapd_iface *iface, void *ctx)
{
hostapd_periodic_iface(iface);
return 0;
}
/* Periodic cleanup tasks */
static void hostapd_periodic(void *eloop_ctx, void *timeout_ctx)
{
struct hapd_interfaces *interfaces = eloop_ctx;
eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0,
hostapd_periodic, interfaces, NULL);
hostapd_for_each_interface(interfaces, hostapd_periodic_call, NULL);
}
int main(int argc, char *argv[])
{
struct hapd_interfaces interfaces;
@ -667,6 +689,9 @@ int main(int argc, char *argv[])
return -1;
}
eloop_register_timeout(HOSTAPD_CLEANUP_INTERVAL, 0,
hostapd_periodic, &interfaces, NULL);
if (fst_global_init()) {
wpa_printf(MSG_ERROR,
"Failed to initialize global FST context");
@ -762,6 +787,7 @@ int main(int argc, char *argv[])
}
os_free(interfaces.iface);
eloop_cancel_timeout(hostapd_periodic, &interfaces, NULL);
hostapd_global_deinit(pid_file);
os_free(pid_file);

5
src/ap/hostapd.c
View File

@ -2922,3 +2922,8 @@ struct hostapd_data * hostapd_get_iface(struct hapd_interfaces *interfaces,
}
#endif /* NEED_AP_MLME */
void hostapd_periodic_iface(struct hostapd_iface *iface)
{
}

1
src/ap/hostapd.h
View File

@ -445,6 +445,7 @@ void
hostapd_switch_channel_fallback(struct hostapd_iface *iface,
const struct hostapd_freq_params *freq_params);
void hostapd_cleanup_cs_params(struct hostapd_data *hapd);
void hostapd_periodic_iface(struct hostapd_iface *iface);
/* utils.c */
int hostapd_register_probereq_cb(struct hostapd_data *hapd,

7
wpa_supplicant/ap.c
View File

@ -1369,3 +1369,10 @@ void wpas_event_dfs_cac_nop_finished(struct wpa_supplicant *wpa_s,
radar->chan_width, radar->cf1, radar->cf2);
}
#endif /* NEED_AP_MLME */
void ap_periodic(struct wpa_supplicant *wpa_s)
{
if (wpa_s->ap_iface)
hostapd_periodic_iface(wpa_s->ap_iface);
}

2
wpa_supplicant/ap.h
View File

@ -93,4 +93,6 @@ void wpas_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s,
void wpas_event_dfs_cac_nop_finished(struct wpa_supplicant *wpa_s,
struct dfs_event *radar);
void ap_periodic(struct wpa_supplicant *wpa_s);
#endif /* AP_H */

6
wpa_supplicant/wpa_supplicant.c
View File

@ -4760,8 +4760,12 @@ static void wpas_periodic(void *eloop_ctx, void *timeout_ctx)
p2p_expire_peers(global->p2p);
#endif /* CONFIG_P2P */
for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
wpa_bss_flush_by_age(wpa_s, wpa_s->conf->bss_expiration_age);
#ifdef CONFIG_AP
ap_periodic(wpa_s);
#endif /* CONFIG_AP */
}
}