From: Olivier MATZ <olivier.matz@6wind.com>
To: Konstantin Ananyev <konstantin.ananyev@intel.com>, dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCHv2] app/ and examples/ fix default mbuf size
Date: Thu, 30 Apr 2015 11:26:56 +0200 [thread overview]
Message-ID: <5541F560.8010701@6wind.com> (raw)
In-Reply-To: <1430350311-2368-1-git-send-email-konstantin.ananyev@intel.com>
Hi Konstantin,
On 04/30/2015 01:31 AM, Konstantin Ananyev wrote:
> v2 changes:
> - add a new macro into rte_mbuf.h
> - make samples to use that new macro
>
>
> Fixes: dfb03bbe2b ("app/testpmd: use standard functions to initialize
> mbufs and mbuf pool").
> Latest mbuf changes (priv_size addition and related fixes)
> exposed small problem with testpmd and few other sample apps:
> when mbuf size is exaclty 2KB or less, that causes
> ixgbe PMD to select scattered RX even for configs with 'normal'
> max packet length (max_rx_pkt_len == ETHER_MAX_LEN).
> To overcome that problem and unify the code, new macro was created
> to represent recommended minimal buffer length for mbuf.
> When appropriate, samples are updated to use that macro.
>
> Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>
Thanks
next prev parent reply other threads:[~2015-04-30 9:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-29 23:31 Konstantin Ananyev
2015-04-30 9:26 ` Olivier MATZ [this message]
2015-05-11 15:03 ` Thomas Monjalon
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