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Add WPA_EVENT_{DO,SKIP}_ROAM events

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Add events for within-ESS reassociation. This allows us to monitor roam
events, both skipped and allowed, in tests.

Signed-off-by: Matthew Wang <matthewmwang@chromium.org>
This commit is contained in:
Matthew Wang 2020-06-01 17:10:18 -07:00 committed by Jouni Malinen
parent d6b450e890
commit b97aa038b7
2 changed files with 20 additions and 6 deletions
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4
src/common/wpa_ctrl.h
View file

@ -97,6 +97,10 @@ extern "C" {
"CTRL-EVENT-SAE-UNKNOWN-PASSWORD-IDENTIFIER "
/** Unprotected Beacon frame dropped */
#define WPA_EVENT_UNPROT_BEACON "CTRL-EVENT-UNPROT-BEACON "
/** Decision made to do a within-ESS roam */
#define WPA_EVENT_DO_ROAM "CTRL-EVENT-DO-ROAM "
/** Decision made to skip a within-ESS roam */
#define WPA_EVENT_SKIP_ROAM "CTRL-EVENT-SKIP-ROAM "
/** IP subnet status change notification
*

22
wpa_supplicant/events.c
View file

@ -1866,6 +1866,7 @@ int wpa_supplicant_need_to_roam_within_ess(struct wpa_supplicant *wpa_s,
unsigned int cur_est, sel_est;
struct wpa_signal_info si;
int cur_snr = 0;
int ret = 0;
wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation");
wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR
@ -1985,13 +1986,22 @@ int wpa_supplicant_need_to_roam_within_ess(struct wpa_supplicant *wpa_s,
wpa_dbg(wpa_s, MSG_DEBUG,
"Skip roam - too small difference in signal level (%d < %d)",
diff, min_diff);
return 0;
ret = 0;
} else {
wpa_dbg(wpa_s, MSG_DEBUG,
"Allow reassociation due to difference in signal level (%d >= %d)",
diff, min_diff);
ret = 1;
}
wpa_dbg(wpa_s, MSG_DEBUG,
"Allow reassociation due to difference in signal level (%d >= %d)",
diff, min_diff);
return 1;
wpa_msg_ctrl(wpa_s, MSG_INFO, "%scur_bssid=" MACSTR
" cur_freq=%d cur_level=%d cur_est=%d sel_bssid=" MACSTR
" sel_freq=%d sel_level=%d sel_est=%d",
ret ? WPA_EVENT_DO_ROAM : WPA_EVENT_SKIP_ROAM,
MAC2STR(current_bss->bssid),
current_bss->freq, cur_level, cur_est,
MAC2STR(selected->bssid),
selected->freq, selected->level, sel_est);
return ret;
}
#endif /* CONFIG_NO_ROAMING */