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From: Tiwei Bie <tiwei.bie@intel.com>
To: Maxime Coquelin <maxime.coquelin@redhat.com>
Cc: zhihong.wang@intel.com, dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v2 5/5] net/virtio: improve offload check performance
Date: Thu, 7 Jun 2018 12:51:41 +0800	[thread overview]
Message-ID: <20180607045140.GA32696@debian> (raw)
In-Reply-To: <20180606123128.7868-6-maxime.coquelin@redhat.com>

On Wed, Jun 06, 2018 at 02:31:28PM +0200, Maxime Coquelin wrote:
> Instead of checking the multiple Virtio features bits for
> every packet, let's do the check once at configure time and
> store it in virtio_hw struct.
> 
> Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
> ---
[...]
> @@ -270,8 +261,7 @@ virtqueue_enqueue_xmit(struct virtnet_tx *txvq, struct rte_mbuf *cookie,
>  		 * which is wrong. Below subtract restores correct pkt size.
>  		 */
>  		cookie->pkt_len -= head_size;
> -		/* if offload disabled, it is not zeroed below, do it now */

I think there is no need to remove this comment.

Apart from that,

Reviewed-by: Tiwei Bie <tiwei.bie@intel.com>

> -		if (offload == 0) {
> +		if (!vq->hw->has_tx_offload) {
>  			ASSIGN_UNLESS_EQUAL(hdr->csum_start, 0);
>  			ASSIGN_UNLESS_EQUAL(hdr->csum_offset, 0);
>  			ASSIGN_UNLESS_EQUAL(hdr->flags, 0);
[...]

  reply	other threads:[~2018-06-07  4:51 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-06 12:31 [dpdk-dev] [PATCH v2 0/5] net/virtio: Tx path selection and offload improvements Maxime Coquelin
2018-06-06 12:31 ` [dpdk-dev] [PATCH v2 1/5] net/virtio: prevent simple Tx path selection by default Maxime Coquelin
2018-06-07  5:43   ` Tiwei Bie
2018-06-07  7:40     ` Maxime Coquelin
2018-06-07  7:53       ` Tiwei Bie
2018-06-06 12:31 ` [dpdk-dev] [PATCH v2 2/5] net/virtio: use simple path for Tx even if Rx mergeable Maxime Coquelin
2018-06-07  5:18   ` Tiwei Bie
2018-06-06 12:31 ` [dpdk-dev] [PATCH v2 3/5] net/vhost: improve Tx path selection Maxime Coquelin
2018-06-07  5:13   ` Tiwei Bie
2018-06-07  7:34     ` Maxime Coquelin
2018-06-06 12:31 ` [dpdk-dev] [PATCH v2 4/5] net/virtio: don't use simple Rx if TCP LRO or VLAN strip requested Maxime Coquelin
2018-06-07  4:58   ` Tiwei Bie
2018-06-06 12:31 ` [dpdk-dev] [PATCH v2 5/5] net/virtio: improve offload check performance Maxime Coquelin
2018-06-07  4:51   ` Tiwei Bie [this message]
2018-06-07  7:22     ` Maxime Coquelin

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