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From: Stephen Hemminger <stephen@networkplumber.org>
To: Kaiwen Deng <kaiwenx.deng@intel.com>
Cc: dev@dpdk.org, stable@dpdk.org, qiming.yang@intel.com,
	yidingx.zhou@intel.com, Aman Singh <aman.deep.singh@intel.com>,
	Yuying Zhang <yuying.zhang@intel.com>,
	David Marchand <david.marchand@redhat.com>,
	Ferruh Yigit <ferruh.yigit@amd.com>
Subject: Re: [PATCH v1] app/testpmd: use Tx preparation in txonly engine
Date: Wed, 3 Jan 2024 17:03:58 -0800	[thread overview]
Message-ID: <20240103170358.6762efb8@hermes.local> (raw)
In-Reply-To: <20240103012912.4334-1-kaiwenx.deng@intel.com>

On Wed,  3 Jan 2024 09:29:12 +0800
Kaiwen Deng <kaiwenx.deng@intel.com> wrote:

>  
> -	nb_tx = common_fwd_stream_transmit(fs, pkts_burst, nb_pkt);
> +	nb_prep = rte_eth_tx_prepare(fs->tx_port, fs->tx_queue,
> +		pkts_burst, nb_pkt);
> +	if (unlikely(nb_prep != nb_pkt)) {
> +		fprintf(stderr,
> +			"Preparing packet burst to transmit failed: %s\n",
> +			rte_strerror(rte_errno));

The main failure likely is mismatched offload flags, so it might be helpful
to print offload flags of that mbuf.

> +		fs->fwd_dropped += (nb_pkt - nb_prep);

Nit: no parenthesis needed here.

> +		rte_pktmbuf_free_bulk(&pkts_burst[nb_prep], nb_pkt - nb_prep);
> +	}
> +
> +	nb_tx = common_fwd_stream_transmit(fs, pkts_burst, nb_prep);
>  

  reply	other threads:[~2024-01-04  1:04 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-03  1:29 Kaiwen Deng
2024-01-04  1:03 ` Stephen Hemminger [this message]
2024-01-04  5:52 ` Jerin Jacob
2024-01-11  5:25 ` [PATCH v2] " Kaiwen Deng
2024-01-11  6:34   ` lihuisong (C)
2024-01-11 16:57   ` Stephen Hemminger
2024-01-12 16:00   ` David Marchand
2024-02-08  0:07   ` Ferruh Yigit
2024-02-08 10:50     ` Konstantin Ananyev
2024-02-08 11:35       ` Ferruh Yigit
2024-02-08 15:14         ` Konstantin Ananyev
2024-02-08 11:52       ` Morten Brørup
2024-02-11 15:04         ` Konstantin Ananyev
2024-02-13 10:27           ` Morten Brørup
2024-02-22 18:28             ` Konstantin Ananyev
2024-02-23  8:36               ` Andrew Rybchenko
2024-02-26 13:26                 ` Konstantin Ananyev
2024-02-26 13:56                   ` Morten Brørup
2024-02-27 10:41                     ` Konstantin Ananyev
2024-02-08 12:09     ` Jerin Jacob
2024-02-09 19:18       ` Ferruh Yigit

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