diff --git a/wpa_supplicant/events.c b/wpa_supplicant/events.c index 1483ad467..3c3f6268d 100644 --- a/wpa_supplicant/events.c +++ b/wpa_supplicant/events.c @@ -1346,6 +1346,7 @@ static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s, struct wpa_bss *current_bss = NULL; #ifndef CONFIG_NO_ROAMING int min_diff; + int to_5ghz; #endif /* CONFIG_NO_ROAMING */ if (wpa_s->reassociate) @@ -1401,7 +1402,10 @@ static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s, return 1; } - if (current_bss->level < 0 && current_bss->level > selected->level) { + to_5ghz = selected->freq > 4000 && current_bss->freq < 4000; + + if (current_bss->level < 0 && + current_bss->level > selected->level + to_5ghz * 2) { wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - Current BSS has better " "signal level"); return 0; @@ -1420,6 +1424,13 @@ static int wpa_supplicant_need_to_roam(struct wpa_supplicant *wpa_s, else min_diff = 5; } + if (to_5ghz) { + /* Make it easier to move to 5 GHz band */ + if (min_diff > 2) + min_diff -= 2; + else + min_diff = 0; + } if (abs(current_bss->level - selected->level) < min_diff) { wpa_dbg(wpa_s, MSG_DEBUG, "Skip roam - too small difference " "in signal level");