From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yong Wang Subject: [PATCH 4/5] vmxnet3: Add rx pkt check offloads Date: Sun, 12 Oct 2014 23:23:08 -0700 Message-ID: <1413181389-14887-5-git-send-email-yongwang@vmware.com> References: <1413181389-14887-1-git-send-email-yongwang@vmware.com> To: dev-VfR2kkLFssw@public.gmane.org Return-path: In-Reply-To: <1413181389-14887-1-git-send-email-yongwang-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" 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