From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 4CE2C5A31 for ; Sat, 6 Feb 2016 07:49:35 +0100 (CET) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga101.fm.intel.com with ESMTP; 05 Feb 2016 22:49:35 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,404,1449561600"; d="scan'208";a="741526352" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by orsmga003.jf.intel.com with ESMTP; 05 Feb 2016 22:49:34 -0800 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id u166nVgK026590; Sat, 6 Feb 2016 14:49:31 +0800 Received: from shecgisg004.sh.intel.com (localhost [127.0.0.1]) by shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id u166nSth003038; Sat, 6 Feb 2016 14:49:30 +0800 Received: (from jingche2@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id u166nS3O003034; Sat, 6 Feb 2016 14:49:28 +0800 From: "Chen Jing D(Mark)" To: cunming.liang@intel.com, shaopeng.he@intel.com Date: Sat, 6 Feb 2016 14:49:25 +0800 Message-Id: <1454741365-3004-1-git-send-email-jing.d.chen@intel.com> X-Mailer: git-send-email 1.7.12.2 In-Reply-To: <1453974391-20935-1-git-send-email-jing.d.chen@intel.com> References: <1453974391-20935-1-git-send-email-jing.d.chen@intel.com> Cc: dev@dpdk.org Subject: [dpdk-dev] [PATCH v2] fm10k: handle err flags in vector RX func X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 06 Feb 2016 06:49:35 -0000 From: "Chen Jing D(Mark)" Using SSE instructions to parse error flags in HW Rx descriptor, then set corresponding bits of mbuf. Signed-off-by: Chen Jing D(Mark) --- v2: - rebase to latest repo - fix a typo in the processing of HBO and IXE error flags doc/guides/rel_notes/release_2_3.rst | 4 +++ drivers/net/fm10k/fm10k_rxtx_vec.c | 42 +++++++++++++++++++++++++++++++++- 2 files changed, 45 insertions(+), 1 deletions(-) diff --git a/doc/guides/rel_notes/release_2_3.rst b/doc/guides/rel_notes/release_2_3.rst index 7945694..6715351 100644 --- a/doc/guides/rel_notes/release_2_3.rst +++ b/doc/guides/rel_notes/release_2_3.rst @@ -39,6 +39,10 @@ This section should contain new features added in this release. Sample format: Enabled virtio 1.0 support for virtio pmd driver. +* **Handle error flags in fm10k vector RX func** + + * Parse err flags in Rx desc and set error bits in mbuf with vector instructions. + Resolved Issues --------------- diff --git a/drivers/net/fm10k/fm10k_rxtx_vec.c b/drivers/net/fm10k/fm10k_rxtx_vec.c index 2a57eef..9f178db 100644 --- a/drivers/net/fm10k/fm10k_rxtx_vec.c +++ b/drivers/net/fm10k/fm10k_rxtx_vec.c @@ -61,11 +61,17 @@ fm10k_reset_tx_queue(struct fm10k_tx_queue *txq); #define L3TYPE_SHIFT (4) /* L4 type shift */ #define L4TYPE_SHIFT (7) +/* HBO flag shift */ +#define HBOFLAG_SHIFT (10) +/* RXE flag shift */ +#define RXEFLAG_SHIFT (13) +/* IPE/L4E flag shift */ +#define L3L4EFLAG_SHIFT (14) static inline void fm10k_desc_to_olflags_v(__m128i descs[4], struct rte_mbuf **rx_pkts) { - __m128i ptype0, ptype1, vtag0, vtag1; + __m128i ptype0, ptype1, vtag0, vtag1, eflag0, eflag1, cksumflag; union { uint16_t e[4]; uint64_t dword; @@ -81,12 +87,29 @@ fm10k_desc_to_olflags_v(__m128i descs[4], struct rte_mbuf **rx_pkts) 0x0000, 0x0000, 0x0000, 0x0000, 0x000F, 0x000F, 0x000F, 0x000F); + /* mask for HBO and RXE flag flags */ + const __m128i rxe_msk = _mm_set_epi16( + 0x0000, 0x0000, 0x0000, 0x0000, + 0x0001, 0x0001, 0x0001, 0x0001); + + const __m128i l3l4cksum_flag = _mm_set_epi8(0, 0, 0, 0, + 0, 0, 0, 0, + 0, 0, 0, 0, + PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD, + PKT_RX_IP_CKSUM_BAD, PKT_RX_L4_CKSUM_BAD, 0); + + const __m128i rxe_flag = _mm_set_epi8(0, 0, 0, 0, + 0, 0, 0, 0, + 0, 0, 0, 0, + 0, 0, PKT_RX_RECIP_ERR, 0); + /* map rss type to rss hash flag */ const __m128i rss_flags = _mm_set_epi8(0, 0, 0, 0, 0, 0, 0, PKT_RX_RSS_HASH, PKT_RX_RSS_HASH, 0, PKT_RX_RSS_HASH, 0, PKT_RX_RSS_HASH, PKT_RX_RSS_HASH, PKT_RX_RSS_HASH, 0); + /* Calculate RSS_hash and Vlan fields */ ptype0 = _mm_unpacklo_epi16(descs[0], descs[1]); ptype1 = _mm_unpacklo_epi16(descs[2], descs[3]); vtag0 = _mm_unpackhi_epi16(descs[0], descs[1]); @@ -97,10 +120,27 @@ fm10k_desc_to_olflags_v(__m128i descs[4], struct rte_mbuf **rx_pkts) ptype0 = _mm_shuffle_epi8(rss_flags, ptype0); vtag1 = _mm_unpacklo_epi32(vtag0, vtag1); + eflag0 = vtag1; + cksumflag = vtag1; vtag1 = _mm_srli_epi16(vtag1, VP_SHIFT); vtag1 = _mm_and_si128(vtag1, pkttype_msk); vtag1 = _mm_or_si128(ptype0, vtag1); + + /* Process err flags, simply set RECIP_ERR bit if HBO/IXE is set */ + eflag1 = _mm_srli_epi16(eflag0, RXEFLAG_SHIFT); + eflag0 = _mm_srli_epi16(eflag0, HBOFLAG_SHIFT); + eflag0 = _mm_or_si128(eflag0, eflag1); + eflag0 = _mm_and_si128(eflag0, rxe_msk); + eflag0 = _mm_shuffle_epi8(rxe_flag, eflag0); + + vtag1 = _mm_or_si128(eflag0, vtag1); + + /* Process L4/L3 checksum error flags */ + cksumflag = _mm_srli_epi16(cksumflag, L3L4EFLAG_SHIFT); + cksumflag = _mm_shuffle_epi8(l3l4cksum_flag, cksumflag); + vtag1 = _mm_or_si128(cksumflag, vtag1); + vol.dword = _mm_cvtsi128_si64(vtag1); rx_pkts[0]->ol_flags = vol.e[0]; -- 1.7.7.6