From: "Xie, Huawei" <huawei.xie@intel.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v4 7/7] virtio: pick simple rx/tx func
Date: Fri, 23 Oct 2015 01:38:11 +0000 [thread overview]
Message-ID: <C37D651A908B024F974696C65296B57B4B139534@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <20151022095856.5cbcf8c3@xeon-e3>
On 10/23/2015 12:59 AM, Stephen Hemminger wrote:
> On Thu, 22 Oct 2015 20:09:51 +0800
> Huawei Xie <huawei.xie@intel.com> wrote:
>
>> + /* Use simple rx/tx func if single segment and no offloads */
>> + if ((tx_conf->txq_flags & VIRTIO_SIMPLE_FLAGS) == VIRTIO_SIMPLE_FLAGS &&
>> + !vtpci_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF))
> Since with QEMU/KVM the code will negotiate to use MRG_RXBUF, this
> code path will not get used in common case anyway.
>
Yes, the common configuration is merge-able enabled.
We need to add mrg_rxbuf=off(in qemu command line), or disable
merge-able feature(in switch application) through vhost API for
non-mergable.
next prev parent reply other threads:[~2015-10-23 1:38 UTC|newest]
Thread overview: 92+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-29 14:45 [dpdk-dev] [PATCH 0/8] virtio: virtio ring layout optimization and RX vector processing Huawei Xie
2015-09-29 14:45 ` [dpdk-dev] [PATCH 1/8] virtio: add configure for simple virtio rx/tx Huawei Xie
2015-09-29 14:45 ` [dpdk-dev] [PATCH 2/8] virtio: add virtio_rxtx.h header file Huawei Xie
2015-09-29 14:45 ` [dpdk-dev] [PATCH 3/8] virtio: add software rx ring, fake_buf, simple_rxtx into virtqueue Huawei Xie
2015-09-29 16:15 ` Stephen Hemminger
2015-09-29 14:45 ` [dpdk-dev] [PATCH 4/8] virtio: rx/tx ring layout optimization Huawei Xie
2015-09-29 14:45 ` [dpdk-dev] [PATCH 5/8] virtio: fill RX avail ring with blank mbufs Huawei Xie
2015-09-29 14:45 ` [dpdk-dev] [PATCH 6/8] virtio: virtio vec rx Huawei Xie
2015-09-29 14:45 ` [dpdk-dev] [PATCH 7/8] virtio: simple tx routine Huawei Xie
2015-09-29 14:45 ` [dpdk-dev] [PATCH 8/8] virtio: rxtx_func_get Huawei Xie
2015-09-29 15:41 ` [dpdk-dev] [PATCH 0/8] virtio: virtio ring layout optimization and RX vector processing Xie, Huawei
2015-10-18 6:28 ` [dpdk-dev] [PATCH v2 0/7] virtio ring layout optimization and simple rx/tx processing Huawei Xie
2015-10-18 6:28 ` Huawei Xie
2015-10-18 6:28 ` [dpdk-dev] [PATCH v2 1/7] virtio: add virtio_rxtx.h header file Huawei Xie
2015-10-18 6:28 ` [dpdk-dev] [PATCH v2 2/7] virtio: add software rx ring, fake_buf into virtqueue Huawei Xie
2015-10-19 4:20 ` Stephen Hemminger
2015-10-19 5:06 ` Xie, Huawei
2015-10-20 15:32 ` Xie, Huawei
2015-10-18 6:29 ` [dpdk-dev] [PATCH v2 3/7] virtio: rx/tx ring layout optimization Huawei Xie
2015-10-18 6:29 ` [dpdk-dev] [PATCH v2 4/7] virtio: fill RX avail ring with blank mbufs Huawei Xie
2015-10-18 6:29 ` [dpdk-dev] [PATCH v2 5/7] virtio: virtio vec rx Huawei Xie
2015-10-18 6:29 ` [dpdk-dev] [PATCH v2 6/7] virtio: simple tx routine Huawei Xie
2015-10-19 4:16 ` Stephen Hemminger
2015-10-19 5:22 ` Xie, Huawei
2015-10-19 4:18 ` Stephen Hemminger
2015-10-19 5:15 ` Xie, Huawei
2015-10-19 4:19 ` Stephen Hemminger
2015-10-19 5:12 ` Xie, Huawei
2015-10-18 6:29 ` [dpdk-dev] [PATCH v2 7/7] virtio: pick simple rx/tx func Huawei Xie
2015-10-20 15:30 ` [dpdk-dev] [PATCH v3 0/7] virtio ring layout optimization and simple rx/tx processing Huawei Xie
2015-10-20 15:30 ` [dpdk-dev] [PATCH v3 1/7] virtio: add virtio_rxtx.h header file Huawei Xie
2015-10-20 15:30 ` [dpdk-dev] [PATCH v3 2/7] virtio: add software rx ring, fake_buf into virtqueue Huawei Xie
2015-10-20 15:30 ` [dpdk-dev] [PATCH v3 3/7] virtio: rx/tx ring layout optimization Huawei Xie
2015-10-20 15:30 ` [dpdk-dev] [PATCH v3 4/7] virtio: fill RX avail ring with blank mbufs Huawei Xie
2015-10-20 15:30 ` [dpdk-dev] [PATCH v3 5/7] virtio: virtio vec rx Huawei Xie
2015-10-22 4:04 ` Wang, Zhihong
2015-10-22 5:48 ` Xie, Huawei
2015-10-20 15:30 ` [dpdk-dev] [PATCH v3 6/7] virtio: simple tx routine Huawei Xie
2015-10-20 18:58 ` Stephen Hemminger
2015-10-22 5:43 ` Xie, Huawei
2015-10-20 15:30 ` [dpdk-dev] [PATCH v3 7/7] virtio: pick simple rx/tx func Huawei Xie
2015-10-22 2:50 ` Tan, Jianfeng
2015-10-22 11:40 ` Xie, Huawei
2015-10-22 12:09 ` [dpdk-dev] [PATCH v4 0/7] virtio ring layout optimization and simple rx/tx processing Huawei Xie
2015-10-22 12:09 ` [dpdk-dev] [PATCH v4 1/7] virtio: add virtio_rxtx.h header file Huawei Xie
2015-10-22 12:09 ` [dpdk-dev] [PATCH v4 2/7] virtio: add software rx ring, fake_buf into virtqueue Huawei Xie
2015-10-22 12:09 ` [dpdk-dev] [PATCH v4 3/7] virtio: rx/tx ring layout optimization Huawei Xie
2015-10-22 12:09 ` [dpdk-dev] [PATCH v4 4/7] virtio: fill RX avail ring with blank mbufs Huawei Xie
2015-10-23 5:56 ` Tan, Jianfeng
2015-10-25 15:40 ` Xie, Huawei
2015-10-22 12:09 ` [dpdk-dev] [PATCH v4 5/7] virtio: virtio vec rx Huawei Xie
2015-10-22 12:09 ` [dpdk-dev] [PATCH v4 6/7] virtio: simple tx routine Huawei Xie
2015-10-22 16:57 ` Stephen Hemminger
2015-10-23 2:17 ` Xie, Huawei
2015-10-23 2:20 ` Xie, Huawei
2015-10-22 12:09 ` [dpdk-dev] [PATCH v4 7/7] virtio: pick simple rx/tx func Huawei Xie
2015-10-22 16:58 ` Stephen Hemminger
2015-10-23 1:38 ` Xie, Huawei [this message]
2015-10-25 15:34 ` [dpdk-dev] [PATCH v5 0/7] virtio ring layout optimization and simple rx/tx processing Huawei Xie
2015-10-25 15:34 ` [dpdk-dev] [PATCH v5 1/7] virtio: add virtio_rxtx.h header file Huawei Xie
2015-10-25 15:34 ` [dpdk-dev] [PATCH v5 2/7] virtio: add software rx ring, fake_buf into virtqueue Huawei Xie
2015-10-25 15:35 ` [dpdk-dev] [PATCH v5 3/7] virtio: rx/tx ring layout optimization Huawei Xie
2015-10-25 15:35 ` [dpdk-dev] [PATCH v5 4/7] virtio: fill RX avail ring with blank mbufs Huawei Xie
2015-10-25 15:35 ` [dpdk-dev] [PATCH v5 5/7] virtio: virtio vec rx Huawei Xie
2015-10-26 8:34 ` Wang, Zhihong
2015-10-25 15:35 ` [dpdk-dev] [PATCH v5 6/7] virtio: simple tx routine Huawei Xie
2015-10-25 15:35 ` [dpdk-dev] [PATCH v5 7/7] virtio: pick simple rx/tx func Huawei Xie
2015-10-27 1:44 ` [dpdk-dev] [PATCH v5 0/7] virtio ring layout optimization and simple rx/tx processing Tan, Jianfeng
2015-10-27 2:15 ` Yuanhan Liu
2015-10-27 10:17 ` Bruce Richardson
2015-10-29 14:53 ` [dpdk-dev] [PATCH v6 0/8] " Huawei Xie
2015-10-29 14:53 ` [dpdk-dev] [PATCH v6 1/8] virtio: add virtio_rxtx.h header file Huawei Xie
2015-10-29 14:53 ` [dpdk-dev] [PATCH v6 2/8] virtio: add software rx ring, fake_buf into virtqueue Huawei Xie
2015-10-30 18:13 ` Thomas Monjalon
2015-10-29 14:53 ` [dpdk-dev] [PATCH v6 3/8] virtio: rx/tx ring layout optimization Huawei Xie
2015-10-29 14:53 ` [dpdk-dev] [PATCH v6 4/8] virtio: fill RX avail ring with blank mbufs Huawei Xie
2015-10-29 14:53 ` [dpdk-dev] [PATCH v6 5/8] virtio: virtio vec rx Huawei Xie
2015-10-30 18:19 ` Thomas Monjalon
2015-11-02 2:18 ` Xie, Huawei
2015-11-02 7:28 ` Thomas Monjalon
2015-11-02 8:49 ` Xie, Huawei
2015-11-02 9:03 ` Thomas Monjalon
2015-10-29 14:53 ` [dpdk-dev] [PATCH v6 6/8] virtio: simple tx routine Huawei Xie
2015-10-29 14:53 ` [dpdk-dev] [PATCH v6 7/8] virtio: pick simple rx/tx func Huawei Xie
2015-10-29 14:53 ` [dpdk-dev] [PATCH v6 8/8] doc: update release notes 2.2 about virtio performance optimization Huawei Xie
2015-10-30 2:05 ` [dpdk-dev] [PATCH v6 0/8] virtio ring layout optimization and simple rx/tx processing Tan, Jianfeng
2015-11-02 22:09 ` Thomas Monjalon
2015-11-02 22:10 ` Thomas Monjalon
2015-11-03 10:30 ` Xie, Huawei
2015-11-27 6:03 ` Xu, Qian Q
2015-12-17 5:22 ` Xie, Huawei
2015-12-17 9:08 ` Thomas Monjalon
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