From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-outbound-2.vmware.com (smtp-outbound-2.vmware.com [208.91.2.13]) by dpdk.org (Postfix) with ESMTP id F344F6A94 for ; Mon, 13 Oct 2014 08:15:50 +0200 (CEST) Received: from sc9-mailhost3.vmware.com (sc9-mailhost3.vmware.com [10.113.161.73]) by smtp-outbound-2.vmware.com (Postfix) with ESMTP id DFB349854C for ; Sun, 12 Oct 2014 23:23:17 -0700 (PDT) Received: from ubuntu.localdomain (unknown [10.113.230.81]) by sc9-mailhost3.vmware.com (Postfix) with ESMTP id 51A5F41420 for ; Sun, 12 Oct 2014 23:23:16 -0700 (PDT) From: Yong Wang To: dev@dpdk.org Date: Sun, 12 Oct 2014 23:23:08 -0700 Message-Id: <1413181389-14887-5-git-send-email-yongwang@vmware.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1413181389-14887-1-git-send-email-yongwang@vmware.com> References: <1413181389-14887-1-git-send-email-yongwang@vmware.com> Subject: [dpdk-dev] [PATCH 4/5] vmxnet3: Add rx pkt check offloads 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: Mon, 13 Oct 2014 06:15:54 -0000 Only supports IPv4 so far. Signed-off-by: Yong Wang --- lib/librte_pmd_vmxnet3/vmxnet3_rxtx.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) diff --git a/lib/librte_pmd_vmxnet3/vmxnet3_rxtx.c b/lib/librte_pmd_vmxnet3/vmxnet3_rxtx.c index 2017d4b..e2fb8a8 100644 --- a/lib/librte_pmd_vmxnet3/vmxnet3_rxtx.c +++ b/lib/librte_pmd_vmxnet3/vmxnet3_rxtx.c @@ -65,6 +65,7 @@ #include #include #include +#include #include #include #include @@ -614,7 +615,7 @@ vmxnet3_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) /* Check for hardware stripped VLAN tag */ if (rcd->ts) { - PMD_RX_LOG(ERR, "Received packet with vlan ID: %d.", + PMD_RX_LOG(DEBUG, "Received packet with vlan ID: %d.", rcd->tci); rxm->ol_flags = PKT_RX_VLAN_PKT; #ifdef RTE_LIBRTE_VMXNET3_DEBUG_DRIVER @@ -637,6 +638,25 @@ vmxnet3_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) rxm->port = rxq->port_id; rxm->data_off = RTE_PKTMBUF_HEADROOM; + /* Check packet types, rx checksum errors, etc. Only support IPv4 so far. */ + if (rcd->v4) { + struct ether_hdr *eth = rte_pktmbuf_mtod(rxm, struct ether_hdr *); + struct ipv4_hdr *ip = (struct ipv4_hdr *)(eth + 1); + + if (((ip->version_ihl & 0xf) << 2) > (int)sizeof(struct ipv4_hdr)) + rxm->ol_flags |= PKT_RX_IPV4_HDR_EXT; + else + rxm->ol_flags |= PKT_RX_IPV4_HDR; + + if (!rcd->cnc) { + if (!rcd->ipc) + rxm->ol_flags |= PKT_RX_IP_CKSUM_BAD; + + if ((rcd->tcp || rcd->udp) && !rcd->tuc) + rxm->ol_flags |= PKT_RX_L4_CKSUM_BAD; + } + } + rx_pkts[nb_rx++] = rxm; rcd_done: rxq->cmd_ring[ring_idx].next2comp = idx; -- 1.9.1