Date: Fri, 20 Dec 2013 10:57:47 +0000 (UTC) From: Gleb Smirnoff <glebius@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r259644 - head/sys/dev/ixgbe Message-ID: <201312201057.rBKAvlpg010156@svn.freebsd.org>
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Author: glebius Date: Fri Dec 20 10:57:47 2013 New Revision: 259644 URL: http://svnweb.freebsd.org/changeset/base/259644 Log: ixgbe(4) takes packet counters from hardware in ixgbe_update_stats_counters(), so we don't need to do a per packet increment, which trashes cache line. Submitted by: oleg Modified: head/sys/dev/ixgbe/ixgbe.c Modified: head/sys/dev/ixgbe/ixgbe.c ============================================================================== --- head/sys/dev/ixgbe/ixgbe.c Fri Dec 20 10:49:57 2013 (r259643) +++ head/sys/dev/ixgbe/ixgbe.c Fri Dec 20 10:57:47 2013 (r259644) @@ -3696,7 +3696,6 @@ ixgbe_txeof(struct tx_ring *txr) } ++txr->packets; ++processed; - ++ifp->if_opackets; txr->watchdog_time = ticks; /* Try the next packet */ @@ -4553,7 +4552,6 @@ ixgbe_rxeof(struct ix_queue *que) mp->m_next = nbuf->buf; } else { /* Sending this frame */ sendmp->m_pkthdr.rcvif = ifp; - ifp->if_ipackets++; rxr->rx_packets++; /* capture data for AIM */ rxr->bytes += sendmp->m_pkthdr.len;
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