Date: Mon, 12 Jul 2021 12:00:35 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 149349e01ecd - main - mlx5en: handle offloaded Rx checksums calculated for tunneled packets Message-ID: <202107121200.16CC0Zn0008463@gitrepo.freebsd.org>
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The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=149349e01ecd3a4655f7cbebe54973f6f0b0b371 commit 149349e01ecd3a4655f7cbebe54973f6f0b0b371 Author: Konstantin Belousov <konstantinb@nvidia.com> AuthorDate: 2021-04-06 03:44:13 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2021-07-12 09:34:38 +0000 mlx5en: handle offloaded Rx checksums calculated for tunneled packets Reviewed by: hselasky Sponsored by: Mellanox Technologies/NVidia Networking MFC after: 1 week --- sys/dev/mlx5/mlx5_en/mlx5_en_rx.c | 26 +++++++++++++++++++++++++- 1 file changed, 25 insertions(+), 1 deletion(-) diff --git a/sys/dev/mlx5/mlx5_en/mlx5_en_rx.c b/sys/dev/mlx5/mlx5_en/mlx5_en_rx.c index 2bf189efc7e0..7cfd15b6aa5e 100644 --- a/sys/dev/mlx5/mlx5_en/mlx5_en_rx.c +++ b/sys/dev/mlx5/mlx5_en/mlx5_en_rx.c @@ -306,6 +306,10 @@ mlx5e_build_rx_mbuf(struct mlx5_cqe64 *cqe, } #else M_HASHTYPE_SET(mb, M_HASHTYPE_OPAQUE_HASH); +#endif +#ifdef M_HASHTYPE_SETINNER + if (cqe_is_tunneled(cqe)) + M_HASHTYPE_SETINNER(mb); #endif } else { mb->m_pkthdr.flowid = rq->ix; @@ -313,7 +317,27 @@ mlx5e_build_rx_mbuf(struct mlx5_cqe64 *cqe, } mb->m_pkthdr.rcvif = ifp; - if (likely(ifp->if_capenable & (IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6)) && + if (cqe_is_tunneled(cqe)) { + /* + * CQE can be tunneled only if TIR is configured to + * enable parsing of tunneled payload, so no need to + * check for capabilities. + */ + if (((cqe->hds_ip_ext & (CQE_L2_OK | CQE_L3_OK)) == + (CQE_L2_OK | CQE_L3_OK))) { + mb->m_pkthdr.csum_flags |= + CSUM_INNER_L3_CALC | CSUM_INNER_L3_VALID | + CSUM_IP_CHECKED | CSUM_IP_VALID | + CSUM_DATA_VALID | CSUM_PSEUDO_HDR; + mb->m_pkthdr.csum_data = htons(0xffff); + } + if (((cqe->hds_ip_ext & (CQE_L2_OK | CQE_L3_OK | CQE_L4_OK)) == + (CQE_L2_OK | CQE_L3_OK | CQE_L4_OK))) { + mb->m_pkthdr.csum_flags |= + CSUM_INNER_L4_CALC | CSUM_INNER_L4_VALID; + } + } else if (likely((ifp->if_capenable & (IFCAP_RXCSUM | + IFCAP_RXCSUM_IPV6)) != 0) && ((cqe->hds_ip_ext & (CQE_L2_OK | CQE_L3_OK | CQE_L4_OK)) == (CQE_L2_OK | CQE_L3_OK | CQE_L4_OK))) { mb->m_pkthdr.csum_flags =
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