[PATCH 12/23] wpa_supplicant: use monotonic time for EAPOL RX workaround

Johannes Berg johannes
Mon Dec 16 12:08:33 PST 2013


From: Johannes Berg <johannes.berg at intel.com>

The EAPOL RX workaround checks that the events are less than 100ms
apart, so only uses relative times and should use monotonic time.

Signed-hostap: Johannes Berg <johannes.berg at intel.com>
---
 wpa_supplicant/events.c           | 6 +++---
 wpa_supplicant/wpa_supplicant.c   | 2 +-
 wpa_supplicant/wpa_supplicant_i.h | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/wpa_supplicant/events.c b/wpa_supplicant/events.c
index 517d812..21a1132 100644
--- a/wpa_supplicant/events.c
+++ b/wpa_supplicant/events.c
@@ -1951,9 +1951,9 @@ static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
 	wpa_s->last_eapol_matches_bssid = 0;
 
 	if (wpa_s->pending_eapol_rx) {
-		struct os_time now, age;
-		os_get_time(&now);
-		os_time_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
+		struct os_reltime now, age;
+		os_get_reltime(&now);
+		os_reltime_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
 		if (age.sec == 0 && age.usec < 100000 &&
 		    os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) ==
 		    0) {
diff --git a/wpa_supplicant/wpa_supplicant.c b/wpa_supplicant/wpa_supplicant.c
index 2d6272b..fc8b777 100644
--- a/wpa_supplicant/wpa_supplicant.c
+++ b/wpa_supplicant/wpa_supplicant.c
@@ -2348,7 +2348,7 @@ void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
 		wpabuf_free(wpa_s->pending_eapol_rx);
 		wpa_s->pending_eapol_rx = wpabuf_alloc_copy(buf, len);
 		if (wpa_s->pending_eapol_rx) {
-			os_get_time(&wpa_s->pending_eapol_rx_time);
+			os_get_reltime(&wpa_s->pending_eapol_rx_time);
 			os_memcpy(wpa_s->pending_eapol_rx_src, src_addr,
 				  ETH_ALEN);
 		}
diff --git a/wpa_supplicant/wpa_supplicant_i.h b/wpa_supplicant/wpa_supplicant_i.h
index 3acb865..769e353 100644
--- a/wpa_supplicant/wpa_supplicant_i.h
+++ b/wpa_supplicant/wpa_supplicant_i.h
@@ -517,7 +517,7 @@ struct wpa_supplicant {
 	int blacklist_cleared;
 
 	struct wpabuf *pending_eapol_rx;
-	struct os_time pending_eapol_rx_time;
+	struct os_reltime pending_eapol_rx_time;
 	u8 pending_eapol_rx_src[ETH_ALEN];
 	unsigned int last_eapol_matches_bssid:1;
 
-- 
1.8.5.1




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