From 32127a0a0a35706c18df11cd7ad69e96214b3c68 Mon Sep 17 00:00:00 2001 From: Richard Cochran Date: Fri, 20 Apr 2012 18:50:35 +0000 Subject: [PATCH] pch_gbe: run the ptp bpf just once per packet This patch fixes code which needlessly ran the BPF twice per packet. Instead, we just run the classifier once and test whether the packet is any kind of PTP event message. Signed-off-by: Richard Cochran Signed-off-by: David S. Miller --- drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c index 53ac2fb78ab..e9b785e0cc9 100644 --- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c +++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c @@ -134,10 +134,8 @@ static int pch_ptp_match(struct sk_buff *skb, u16 uid_hi, u32 uid_lo, u16 seqid) u16 *hi, *id; u32 lo; - if ((sk_run_filter(skb, ptp_filter) != PTP_CLASS_V2_IPV4) && - (sk_run_filter(skb, ptp_filter) != PTP_CLASS_V1_IPV4)) { + if (sk_run_filter(skb, ptp_filter) == PTP_CLASS_NONE) return 0; - } offset = ETH_HLEN + IPV4_HLEN(data) + UDP_HLEN; -- 2.41.0