Date: Sat, 14 Mar 2020 01:42:21 +0000 (UTC) From: Navdeep Parhar <np@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r358978 - stable/12/sys/dev/cxgbe Message-ID: <202003140142.02E1gL5X045560@repo.freebsd.org>
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Author: np Date: Sat Mar 14 01:42:21 2020 New Revision: 358978 URL: https://svnweb.freebsd.org/changeset/base/358978 Log: MFC r357474: cxgbe(4): Only checksummed TCP should be considered for LRO. This avoids the per-packet nanouptime in tcp_lro_rx for traffic that's not even TCP. Sponsored by: Chelsio Communications Modified: stable/12/sys/dev/cxgbe/t4_sge.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/dev/cxgbe/t4_sge.c ============================================================================== --- stable/12/sys/dev/cxgbe/t4_sge.c Sat Mar 14 01:38:03 2020 (r358977) +++ stable/12/sys/dev/cxgbe/t4_sge.c Sat Mar 14 01:42:21 2020 (r358978) @@ -2047,7 +2047,9 @@ t4_eth_rx(struct sge_iq *iq, const struct rss_header * } #if defined(INET) || defined(INET6) - if (iq->flags & IQ_LRO_ENABLED) { + if (iq->flags & IQ_LRO_ENABLED && + (M_HASHTYPE_GET(m0) == M_HASHTYPE_RSS_TCP_IPV4 || + M_HASHTYPE_GET(m0) == M_HASHTYPE_RSS_TCP_IPV6)) { if (sort_before_lro(lro)) { tcp_lro_queue_mbuf(lro, m0); return (0); /* queued for sort, then LRO */
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