From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ivan Khoronzhuk Subject: [PATCH] net: ethernet: ti: cpts: break cycle once late ts is matched Date: Tue, 10 Jul 2018 16:04:04 +0300 Message-ID: <20180710130404.3437-1-ivan.khoronzhuk@linaro.org> Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Ivan Khoronzhuk To: davem@davemloft.net, grygorii.strashko@ti.com Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org The late ts queue can contain a bunch of skbs while hi rate testing, no need to check all of them if timestamp is already matched. Signed-off-by: Ivan Khoronzhuk --- Based on net-next/master drivers/net/ethernet/ti/cpts.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c index 6f63c8729afc..b4ea58dc8caf 100644 --- a/drivers/net/ethernet/ti/cpts.c +++ b/drivers/net/ethernet/ti/cpts.c @@ -114,7 +114,10 @@ static bool cpts_match_tx_ts(struct cpts *cpts, struct cpts_event *event) dev_consume_skb_any(skb); dev_dbg(cpts->dev, "match tx timestamp mtype %u seqid %04x\n", mtype, seqid); - } else if (time_after(jiffies, skb_cb->tmo)) { + break; + } + + if (time_after(jiffies, skb_cb->tmo)) { /* timeout any expired skbs over 1s */ dev_dbg(cpts->dev, "expiring tx timestamp mtype %u seqid %04x\n", -- 2.17.1