Date: Fri, 2 Jun 2023 19:30:13 GMT From: Eric Joyner <erj@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 95aced446a8c - stable/13 - ixgbe: Change if condition for RSS and rxcsum Message-ID: <202306021930.352JUDFH080644@gitrepo.freebsd.org>
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The branch stable/13 has been updated by erj: URL: https://cgit.FreeBSD.org/src/commit/?id=95aced446a8c6ada94a5a9dead6e2c68ce48ecb3 commit 95aced446a8c6ada94a5a9dead6e2c68ce48ecb3 Author: Przemyslaw Lewandowski <przemyslawx.lewandowski@intel.com> AuthorDate: 2023-05-24 23:24:54 +0000 Commit: Eric Joyner <erj@FreeBSD.org> CommitDate: 2023-06-02 19:27:45 +0000 ixgbe: Change if condition for RSS and rxcsum This patch fixes TCP connection hangs for 1 rxq and 1 txq without rxcsum enabled. Documentation for 10G cards and other drivers suggest enabling rxcsum for RSS and disabling otherwise. When PCSD bit is not set then fragment checksum and IP identification are reported in the rx descriptor. When PCSD bit is set then RSS hash value is reported in the rx descriptor. RSS and RX IPP checksum are mutually exclusive. Signed-off-by: Eric Joyner <erj@FreeBSD.org> PR: 268910 Reviewed by: erj@ Tested by: jeffrey.e.pieper@intel.com Sponsored by: Intel Corporation Differential Revision: https://reviews.freebsd.org/D38621 (cherry picked from commit 156424fce98a0240c702da0a918b027d1979bfdb) --- sys/dev/ixgbe/if_ix.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/dev/ixgbe/if_ix.c b/sys/dev/ixgbe/if_ix.c index c985e89b4cca..54bc16e73763 100644 --- a/sys/dev/ixgbe/if_ix.c +++ b/sys/dev/ixgbe/if_ix.c @@ -755,7 +755,7 @@ ixgbe_initialize_receive_units(if_ctx_t ctx) ixgbe_initialize_rss_mapping(sc); - if (sc->num_rx_queues > 1) { + if (sc->feat_en & IXGBE_FEATURE_RSS) { /* RSS and RX IPP Checksum are mutually exclusive */ rxcsum |= IXGBE_RXCSUM_PCSD; }
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