From: Thomas Monjalon <thomas@monjalon.net>
To: Sunil Kumar Kori <skori@marvell.com>
Cc: dev@dpdk.org, "Ananyev, Konstantin" <konstantin.ananyev@intel.com>
Subject: Re: [dpdk-dev] [PATCH v2 1/3] lib/librte_ip_frag: Remove PKT_TX_IP_CKSUM offload flags
Date: Wed, 26 Jun 2019 23:10:26 +0200 [thread overview]
Message-ID: <1761996.Pc4kcPxEft@xps> (raw)
In-Reply-To: <2601191342CEEE43887BDE71AB97725801616357C3@irsmsx105.ger.corp.intel.com>
18/05/2019 17:18, Ananyev, Konstantin:
>
> Hi,
>
> > Currently PKT_TX_IP_CKSUM is being set into mbuf->ol_flags
> > during fragmentation and reassemble operation implicitly.
> > Because of this, application is forced to use checksum offload
> > whether it is supported by platform or not.
> >
> > Also documentation does not provide any expected value of ol_flags
> > in returned mbuf (reassembled or fragmented) so application will never
> > come to know that which offloads are enabled. So transmission may be failed
> > for the platforms which does not support checksum offload.
> >
> > Also, IPv6 does not contain any checksum field in header so setting
> > mbuf->ol_flags with PKT_TX_IP_CKSUM is itself invalid.
> >
> > So removing mentioned flag from the library.
>
> As there is a change in public API behavior, I think it deserves update in release notes.
> Apart from that:
> Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Is it safe to do this behaviour change?
You did not reply about updating the release notes.
Why did you drop this patch in v3?
next prev parent reply other threads:[~2019-06-26 21:10 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-16 11:24 [dpdk-dev] [PATCH 0/3] Removing PKT_TX_IP_CKSUM from fragmentation/reassembly lib Sunil Kumar Kori
2019-05-16 11:24 ` [dpdk-dev] [PATCH 1/3] lib/librte_ip_frag: Remove PKT_TX_IP_CKSUM offload flags Sunil Kumar Kori
2019-05-16 11:24 ` [dpdk-dev] [PATCH 2/3] examples/ip_fragmentation: Enabling IP checksum offload in mbuf Sunil Kumar Kori
2019-05-16 11:24 ` [dpdk-dev] [PATCH 3/3] examples/ip_reassembly: " Sunil Kumar Kori
2019-05-16 11:42 ` [dpdk-dev] [PATCH v2 0/3] Removing PKT_TX_IP_CKSUM from fragmentation/reassembly lib Sunil Kumar Kori
2019-05-16 11:42 ` [dpdk-dev] [PATCH v2 1/3] lib/librte_ip_frag: Remove PKT_TX_IP_CKSUM offload flags Sunil Kumar Kori
2019-05-18 15:18 ` Ananyev, Konstantin
2019-06-26 21:10 ` Thomas Monjalon [this message]
2019-07-04 16:52 ` Thomas Monjalon
2019-07-05 8:31 ` Ananyev, Konstantin
2019-05-16 11:42 ` [dpdk-dev] [PATCH v2 2/3] examples/ip_fragmentation: Enabling IP checksum offload in mbuf Sunil Kumar Kori
2019-05-18 15:21 ` Ananyev, Konstantin
2019-05-20 8:09 ` Sunil Kumar Kori
2019-05-20 8:15 ` Ananyev, Konstantin
2019-05-20 10:59 ` [dpdk-dev] [PATCH v3 1/2] " Sunil Kumar Kori
2019-05-20 10:59 ` [dpdk-dev] [PATCH v3 2/2] examples/ip_reassembly: " Sunil Kumar Kori
2019-05-20 11:29 ` Ananyev, Konstantin
2019-05-20 11:28 ` [dpdk-dev] [PATCH v3 1/2] examples/ip_fragmentation: " Ananyev, Konstantin
2019-07-08 4:32 ` [dpdk-dev] [PATCH v4 1/3] lib/librte_ip_frag: remove IP checkum offload flag jerinj
2019-07-08 4:32 ` [dpdk-dev] [PATCH v4 2/3] examples/ip_fragmentation: enable IP checksum offload jerinj
2019-07-08 4:33 ` [dpdk-dev] [PATCH v4 3/3] examples/ip_reassembly: " jerinj
2019-07-08 9:07 ` [dpdk-dev] [PATCH v4 1/3] lib/librte_ip_frag: remove IP checkum offload flag Thomas Monjalon
2019-05-16 11:42 ` [dpdk-dev] [PATCH v2 3/3] examples/ip_reassembly: Enabling IP checksum offload in mbuf Sunil Kumar Kori
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