From: "Liu, Jijiang" <jijiang.liu@intel.com>
To: Thomas Monjalon <thomas.monjalon@6wind.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, "Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [dpdk-dev] [PATCH v3 6/8] driver/virtio:enqueue vhost TX offload
Date: Wed, 4 Nov 2015 12:52:00 +0000 [thread overview]
Message-ID: <1ED644BD7E0A5F4091CF203DAFB8E4CC22BCFE40@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <2611781.I9AKvK5K3K@xps13>
Hi Thomas,
> -----Original Message-----
> From: Thomas Monjalon [mailto:thomas.monjalon@6wind.com]
> Sent: Wednesday, November 4, 2015 7:18 PM
> To: Liu, Jijiang
> Cc: dev@dpdk.org; Michael S. Tsirkin
> Subject: Re: [dpdk-dev] [PATCH v3 6/8] driver/virtio:enqueue vhost
The following code is not in the patch 6, please review the latest patch set.
> > + parse_ethernet(m, &l4_proto, &l4_hdr);
> > + if (hdr->flags == VIRTIO_NET_HDR_F_NEEDS_CSUM) {
> > + if ((hdr->csum_start == m->l2_len) &&
> > + (hdr->csum_offset == offsetof(struct ipv4_hdr,
> > + hdr_checksum)))
> > + m->ol_flags |= PKT_TX_IP_CKSUM;
> > + else if (hdr->csum_start == (m->l2_len + m->l3_len)) {
> > + switch (hdr->csum_offset) {
> > + case (offsetof(struct tcp_hdr, cksum)):
> > + if (l4_proto == IPPROTO_TCP)
> > + m->ol_flags |= PKT_TX_TCP_CKSUM;
> > + break;
> > + case (offsetof(struct udp_hdr, dgram_cksum)):
> > + if (l4_proto == IPPROTO_UDP)
> > + m->ol_flags |= PKT_TX_UDP_CKSUM;
> > + break;
> > + case (offsetof(struct sctp_hdr, cksum)):
> > + if (l4_proto == IPPROTO_SCTP)
> > + m->ol_flags |= PKT_TX_SCTP_CKSUM;
> > + break;
> > + default:
> > + break;
> > + }
> > + }
>
> The kernel doesn't work this way.
> Please could you check that your virtio implementation works with a vanilla
> Linux with or without vhost?
> Thanks
This is vhost lib implementation, not virtio-net side.
We have already validated with a vanilla Linux with or without virtio-net, and it passed.
Could you please review latest patch v3?
Xu Qian can send the test report out.
next prev parent reply other threads:[~2015-11-04 12:52 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-04 10:54 [dpdk-dev] [PATCH v3 0/8] add vhost TX offload support Jijiang Liu
2015-11-04 10:54 ` [dpdk-dev] [PATCH v3 1/8] driver/virtio:add virtual addr for virtio net header Jijiang Liu
2015-11-04 10:54 ` [dpdk-dev] [PATCH v3 2/8] driver/virtio: record virtual address of " Jijiang Liu
2015-11-04 10:54 ` [dpdk-dev] [PATCH v3 3/8] driver/virtio:add vhost TX checksum support capability in virtio-net Jijiang Liu
2015-11-04 10:54 ` [dpdk-dev] [PATCH v3 4/8] driver/virtio:fill virtio device info for TX offload Jijiang Liu
2015-11-04 10:54 ` [dpdk-dev] [PATCH v3 5/8] driver/virtio:enqueue vhost " Jijiang Liu
2015-11-04 10:54 ` [dpdk-dev] [PATCH v3 6/8] " Jijiang Liu
2015-11-04 11:17 ` Thomas Monjalon
2015-11-04 12:52 ` Liu, Jijiang [this message]
2015-11-04 13:18 ` Thomas Monjalon
2015-11-05 8:49 ` Xu, Qian Q
2015-11-05 9:02 ` Thomas Monjalon
2015-11-05 10:44 ` Xu, Qian Q
2015-11-06 8:24 ` Xu, Qian Q
2015-11-04 13:06 ` Liu, Jijiang
2015-11-04 13:08 ` Liu, Jijiang
2015-11-04 13:15 ` Liu, Jijiang
2015-11-04 10:54 ` [dpdk-dev] [PATCH v3 7/8] lib/librte_vhost:dequeue " Jijiang Liu
2015-11-09 4:00 ` Yuanhan Liu
2015-11-09 5:27 ` Liu, Jijiang
2015-11-04 10:54 ` [dpdk-dev] [PATCH v3 8/8] examples/vhost:support TX offload in vhost sample Jijiang Liu
2015-11-09 4:17 ` Yuanhan Liu
2015-11-09 8:17 ` Liu, Jijiang
2015-11-09 8:51 ` Yuanhan Liu
2015-11-09 8:18 ` Liu, Jijiang
2015-11-11 6:47 ` Liu, Jijiang
2015-11-04 11:14 ` [dpdk-dev] [PATCH v3 0/8] add vhost TX offload support Tan, Jianfeng
2015-11-05 14:24 ` Glynn, Michael J
-- strict thread matches above, loose matches on Subject: below --
2015-11-04 8:35 Jijiang Liu
2015-11-04 8:35 ` [dpdk-dev] [PATCH v3 6/8] driver/virtio:enqueue vhost TX offload Jijiang Liu
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