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Diffstat (limited to '')
-rw-r--r-- | src/resolve/resolved-dns-server.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/resolve/resolved-dns-server.c b/src/resolve/resolved-dns-server.c index 63cb6a5bda..9c3ee0136c 100644 --- a/src/resolve/resolved-dns-server.c +++ b/src/resolve/resolved-dns-server.c @@ -304,7 +304,10 @@ void dns_server_packet_received(DnsServer *s, int protocol, DnsServerFeatureLeve if (s->max_rtt < rtt) { s->max_rtt = rtt; s->resend_timeout = CLAMP(s->max_rtt * 2, DNS_TIMEOUT_MIN_USEC, DNS_TIMEOUT_MAX_USEC); - } + } else if (s->resend_timeout > rtt) + /* If we received the packet faster than the resend_timeout, bias + * the resend_timeout back to the rtt. */ + s->resend_timeout = CLAMP((2 * s->resend_timeout + rtt) / 3, DNS_TIMEOUT_MIN_USEC, DNS_TIMEOUT_MAX_USEC); } void dns_server_packet_lost(DnsServer *s, int protocol, DnsServerFeatureLevel level, usec_t usec) { |