From patchwork Wed Jan 11 03:42:11 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "John Daley (johndale)" X-Patchwork-Id: 19097 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id BCC3C5A44; Wed, 11 Jan 2017 04:42:26 +0100 (CET) Received: from alln-iport-7.cisco.com (alln-iport-7.cisco.com [173.37.142.94]) by dpdk.org (Postfix) with ESMTP id B4E742C6D for ; Wed, 11 Jan 2017 04:42:23 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=1666; q=dns/txt; s=iport; t=1484106143; x=1485315743; h=from:to:cc:subject:date:message-id; bh=I34btz5gv1GM2NGGEyBrBwAk1lU3p4Pm9sPVfjbJLcU=; b=WP+9Tc2zVJWVmkgK5M4KRBpi+JEhEJhCUeIU1zvdrhtWAkZDRBs/p3F8 dbW8MmDyClBS1+aIDzQEzw3fL585QtUVBe8uBmyYmb6/Un46rPPYVs1D9 jQdEd4Y/R7VNssATrLZCeG/gdfjZKubfHXa5iLyL7d5XxwnzaVhhQcjWl o=; X-IronPort-AV: E=Sophos;i="5.33,345,1477958400"; d="scan'208";a="371108167" Received: from rcdn-core-12.cisco.com ([173.37.93.148]) by alln-iport-7.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 11 Jan 2017 03:42:22 +0000 Received: from cisco.com (savbu-usnic-a.cisco.com [10.193.184.48]) by rcdn-core-12.cisco.com (8.14.5/8.14.5) with ESMTP id v0B3gM5D032003; Wed, 11 Jan 2017 03:42:22 GMT Received: by cisco.com (Postfix, from userid 392789) id 813F23FAAE57; Tue, 10 Jan 2017 19:42:22 -0800 (PST) From: John Daley To: ferruh.yigit@intel.com Cc: dev@dpdk.org, John Daley Date: Tue, 10 Jan 2017 19:42:11 -0800 Message-Id: <20170111034212.5294-1-johndale@cisco.com> X-Mailer: git-send-email 2.10.0 Subject: [dpdk-dev] [PATCH] net/enic: use new Rx checksum flags X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Use the new L3 and L4 ..CKSUM_GOOD and ..CKSUM_UNKNOWN flags to distinguish good checksums from unknown ones. Signed-off-by: John Daley --- drivers/net/enic/enic_rxtx.c | 29 +++++++++++++++++++---------- 1 file changed, 19 insertions(+), 10 deletions(-) diff --git a/drivers/net/enic/enic_rxtx.c b/drivers/net/enic/enic_rxtx.c index 5d59d8f..981be3a 100644 --- a/drivers/net/enic/enic_rxtx.c +++ b/drivers/net/enic/enic_rxtx.c @@ -260,16 +260,25 @@ enic_cq_rx_to_pkt_flags(struct cq_desc *cqd, struct rte_mbuf *mbuf) } /* checksum flags */ - if (!enic_cq_rx_desc_csum_not_calc(cqrd) && - (mbuf->packet_type & RTE_PTYPE_L3_IPV4)) { - uint32_t l4_flags = mbuf->packet_type & RTE_PTYPE_L4_MASK; - - if (unlikely(!enic_cq_rx_desc_ipv4_csum_ok(cqrd))) - pkt_flags |= PKT_RX_IP_CKSUM_BAD; - if (l4_flags == RTE_PTYPE_L4_UDP || - l4_flags == RTE_PTYPE_L4_TCP) { - if (unlikely(!enic_cq_rx_desc_tcp_udp_csum_ok(cqrd))) - pkt_flags |= PKT_RX_L4_CKSUM_BAD; + if (mbuf->packet_type & RTE_PTYPE_L3_IPV4) { + if (enic_cq_rx_desc_csum_not_calc(cqrd)) + pkt_flags |= (PKT_RX_IP_CKSUM_UNKNOWN & + PKT_RX_L4_CKSUM_UNKNOWN); + else { + uint32_t l4_flags; + l4_flags = mbuf->packet_type & RTE_PTYPE_L4_MASK; + + if (enic_cq_rx_desc_ipv4_csum_ok(cqrd)) + pkt_flags |= PKT_RX_IP_CKSUM_GOOD; + else + pkt_flags |= PKT_RX_IP_CKSUM_BAD; + + if (l4_flags & (RTE_PTYPE_L4_UDP | RTE_PTYPE_L4_TCP)) { + if (enic_cq_rx_desc_tcp_udp_csum_ok(cqrd)) + pkt_flags |= PKT_RX_L4_CKSUM_GOOD; + else + pkt_flags |= PKT_RX_L4_CKSUM_BAD; + } } }