From 2955faca0403a4f6029d589f60ff44be09f24859 Mon Sep 17 00:00:00 2001 From: Jacob Keller Date: Wed, 3 May 2017 10:28:58 -0700 Subject: i40e: add statistic indicating number of skipped Tx timestamps The i40e driver can only handle one Tx timestamp request at a time. This means it is possible for an application timestamp request to be ignored. There is no easy way for an administrator to determine if this occurred. Add a new statistic which tracks this, tx_hwtstamp_skipped. Signed-off-by: Jacob Keller Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_txrx.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net/ethernet/intel/i40e/i40e_txrx.c') diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 19984be0f70c..c69ee4b0cfe2 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -2630,6 +2630,7 @@ static int i40e_tsyn(struct i40e_ring *tx_ring, struct sk_buff *skb, skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; pf->ptp_tx_skb = skb_get(skb); } else { + pf->tx_hwtstamp_skipped++; return 0; } -- cgit