From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by dpdk.org (Postfix) with ESMTP id 4D6CB56A1 for ; Tue, 6 Sep 2016 03:28:04 +0200 (CEST) Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga105.jf.intel.com with ESMTP; 05 Sep 2016 18:28:03 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.30,289,1470726000"; d="scan'208";a="4805855" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by fmsmga005.fm.intel.com with ESMTP; 05 Sep 2016 18:28:02 -0700 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id u861S1Dk007612; Tue, 6 Sep 2016 09:28:01 +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 u861RwVR032252; Tue, 6 Sep 2016 09:28:00 +0800 Received: (from xiaowan1@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id u861RwPF032248; Tue, 6 Sep 2016 09:27:58 +0800 From: Xiao Wang To: dev@dpdk.org Cc: jing.d.chen@intel.com, olivier.matz@6wind.com, Xiao Wang Date: Tue, 6 Sep 2016 09:27:29 +0800 Message-Id: <1473125252-32201-3-git-send-email-xiao.w.wang@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1473125252-32201-1-git-send-email-xiao.w.wang@intel.com> References: <1473125252-32201-1-git-send-email-xiao.w.wang@intel.com> Subject: [dpdk-dev] [PATCH v2 2/5] net/fm10k: implement new Rx checksum flag 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: Tue, 06 Sep 2016 01:28:05 -0000 Add CKSUM_GOOD flag to distinguish a good checksum from an unknown one. Since vector Rx supports checksum offload, this patch removes the hw_ip_checksum check in fm10k_rx_vec_condition_check(). Signed-off-by: Xiao Wang --- drivers/net/fm10k/fm10k_rxtx.c | 4 ++++ drivers/net/fm10k/fm10k_rxtx_vec.c | 24 +++++++++++++++++------- 2 files changed, 21 insertions(+), 7 deletions(-) diff --git a/drivers/net/fm10k/fm10k_rxtx.c b/drivers/net/fm10k/fm10k_rxtx.c index bf5888b..32cc7ff 100644 --- a/drivers/net/fm10k/fm10k_rxtx.c +++ b/drivers/net/fm10k/fm10k_rxtx.c @@ -101,11 +101,15 @@ rx_desc_to_ol_flags(struct rte_mbuf *m, const union fm10k_rx_desc *d) (FM10K_RXD_STATUS_IPCS | FM10K_RXD_STATUS_IPE)) == (FM10K_RXD_STATUS_IPCS | FM10K_RXD_STATUS_IPE))) m->ol_flags |= PKT_RX_IP_CKSUM_BAD; + else + m->ol_flags |= PKT_RX_IP_CKSUM_GOOD; if (unlikely((d->d.staterr & (FM10K_RXD_STATUS_L4CS | FM10K_RXD_STATUS_L4E)) == (FM10K_RXD_STATUS_L4CS | FM10K_RXD_STATUS_L4E))) m->ol_flags |= PKT_RX_L4_CKSUM_BAD; + else + m->ol_flags |= PKT_RX_L4_CKSUM_GOOD; } uint16_t diff --git a/drivers/net/fm10k/fm10k_rxtx_vec.c b/drivers/net/fm10k/fm10k_rxtx_vec.c index 9ea747e..5513f86 100644 --- a/drivers/net/fm10k/fm10k_rxtx_vec.c +++ b/drivers/net/fm10k/fm10k_rxtx_vec.c @@ -67,6 +67,8 @@ fm10k_reset_tx_queue(struct fm10k_tx_queue *txq); #define RXEFLAG_SHIFT (13) /* IPE/L4E flag shift */ #define L3L4EFLAG_SHIFT (14) +/* shift PKT_RX_L4_CKSUM_GOOD into one byte by 1 bit */ +#define CKSUM_SHIFT (1) static inline void fm10k_desc_to_olflags_v(__m128i descs[4], struct rte_mbuf **rx_pkts) @@ -92,11 +94,18 @@ fm10k_desc_to_olflags_v(__m128i descs[4], struct rte_mbuf **rx_pkts) 0x0000, 0x0000, 0x0000, 0x0000, 0x0001, 0x0001, 0x0001, 0x0001); + /* mask the lower byte of ol_flags */ + const __m128i ol_flags_msk = _mm_set_epi16( + 0x0000, 0x0000, 0x0000, 0x0000, + 0x00FF, 0x00FF, 0x00FF, 0x00FF); + 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); + (PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD) >> CKSUM_SHIFT, + (PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_GOOD) >> CKSUM_SHIFT, + (PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD) >> CKSUM_SHIFT, + (PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD) >> CKSUM_SHIFT); const __m128i rxe_flag = _mm_set_epi8(0, 0, 0, 0, 0, 0, 0, 0, @@ -139,6 +148,10 @@ fm10k_desc_to_olflags_v(__m128i descs[4], struct rte_mbuf **rx_pkts) /* Process L4/L3 checksum error flags */ cksumflag = _mm_srli_epi16(cksumflag, L3L4EFLAG_SHIFT); cksumflag = _mm_shuffle_epi8(l3l4cksum_flag, cksumflag); + + /* clean the higher byte and shift back the flag bits */ + cksumflag = _mm_and_si128(cksumflag, ol_flags_msk); + cksumflag = _mm_slli_epi16(cksumflag, CKSUM_SHIFT); vtag1 = _mm_or_si128(cksumflag, vtag1); vol.dword = _mm_cvtsi128_si64(vtag1); @@ -234,11 +247,8 @@ fm10k_rx_vec_condition_check(struct rte_eth_dev *dev) if (fconf->mode != RTE_FDIR_MODE_NONE) return -1; - /* - no csum error report support - * - no header split support - */ - if (rxmode->hw_ip_checksum == 1 || - rxmode->header_split == 1) + /* no header split support */ + if (rxmode->header_split == 1) return -1; return 0; -- 1.9.3