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| author |   Jason A. Donenfeld <Jason@zx2c4.com> | 2018-06-23 19:02:18 +0200 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2018-06-23 19:12:51 +0200 |
| commit | 245f0bd331330c80e28e56e95c85ebacf7570ac2 (patch) | |
| tree | d863021b9fe555e3d77a4d84baa553d94ea63c0c /src/receive.c | |
| parent | global: use ktime boottime instead of jiffies (diff) | |
| download | wireguard-linux-compat-245f0bd331330c80e28e56e95c85ebacf7570ac2.tar.xz wireguard-linux-compat-245f0bd331330c80e28e56e95c85ebacf7570ac2.zip | |
global: use fast boottime instead of normal boottime
Generally if we're inaccurate by a few nanoseconds, it doesn't matter.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'src/receive.c')
| -rw-r--r-- | src/receive.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/receive.c b/src/receive.c index 080e466..d150a0b 100644 --- a/src/receive.c +++ b/src/receive.c @@ -80,7 +80,7 @@ static inline int skb_prepare_header(struct sk_buff *skb, struct wireguard_devic static void receive_handshake_packet(struct wireguard_device *wg, struct sk_buff *skb) { - static ktime_t last_under_load; /* Yes this is global, so that our load calculation applies to the whole system. */ + static u64 last_under_load; /* Yes this is global, so that our load calculation applies to the whole system. */ struct wireguard_peer *peer = NULL; bool under_load; enum cookie_mac_state mac_state; @@ -94,8 +94,8 @@ static void receive_handshake_packet(struct wireguard_device *wg, struct sk_buff under_load = skb_queue_len(&wg->incoming_handshakes) >= MAX_QUEUED_INCOMING_HANDSHAKES / 8; if (under_load) - last_under_load = ktime_get_boottime(); - else if (ktime_to_ns(last_under_load)) + last_under_load = ktime_get_boot_fast_ns(); + else if (last_under_load) under_load = !has_expired(last_under_load, 1); mac_state = cookie_validate_packet(&wg->cookie_checker, skb, under_load); if ((under_load && mac_state == VALID_MAC_WITH_COOKIE) || (!under_load && mac_state == VALID_MAC_BUT_NO_COOKIE)) |