Commit 35f9a7a3 authored Dec 06, 2013 by Ben Hutchings

sfc: Rate-limit log message for PTP packets without a matching timestamp event

In case of a flood of PTP packets, the timestamp peripheral and MC
firmware on the SFN[56]322F boards may not be able to provide
timestamp events for all packets. Don't complain too much about this.

Fixes: 7c236c43 ('sfc: Add support for IEEE-1588 PTP')
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>

parent f3211600

drivers/net/ethernet/sfc/ptp.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -717,6 +717,7 @@ static bool efx_ptp_process_events(struct efx_nic efx, struct sk_buff_head q)
		__skb_queue_tail(q, skb);
		} else if (time_after(jiffies, match->expiry)) {
		match->state = PTP_PACKET_STATE_TIMED_OUT;
		if (net_ratelimit())
		netif_warn(efx, rx_err, efx->net_dev,
		"PTP packet - no timestamp seen\n");
		__skb_queue_tail(q, skb);