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From: Jiri Benc <jbenc@redhat.com>
To: "Yang, Yi" <yi.y.yang@intel.com>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"dev@openvswitch.org" <dev@openvswitch.org>,
	"e@erig.me" <e@erig.me>, "pshelar@ovn.org" <pshelar@ovn.org>,
	"davem@davemloft.net" <davem@davemloft.net>
Subject: Re: [PATCH net-next v12] openvswitch: enable NSH support
Date: Thu, 19 Oct 2017 14:43:47 +0200	[thread overview]
Message-ID: <20171019144347.421351db@griffin> (raw)
In-Reply-To: <20171019114052.GA83037@cran64.bj.intel.com>

On Thu, 19 Oct 2017 19:40:53 +0800, Yang, Yi wrote:
> Actually mdtype can't be set, only push_nsh can set mdtype, so set_nsh
> won't have mdtype flow key, we can't get it from flow_key in set_nsh,
> only ttl, flags and path_hdr can be set in set_nsh as you can see in code.
> I understand your concern is calling skb_ensure_writable twice, so
> changing the first one to pskb_may_pull is more appropriate for set_nsh.

Isn't set_nsh called only after the packet was already dissected (i.e.
parse_nsh called)? The dissected fields should be available in flow_key.

 Jiri

  reply	other threads:[~2017-10-19 12:43 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-16 13:53 [PATCH net-next v12] openvswitch: enable NSH support Yi Yang
2017-10-18 21:19 ` Jiri Benc
2017-10-19 11:40   ` Yang, Yi
2017-10-19 12:43     ` Jiri Benc [this message]
2017-10-19 13:12       ` Yang, Yi
     [not found]         ` <20171019131215.GA84551-re2EX8HDrk21gSHoDXDV2kEOCMrvLtNR@public.gmane.org>
2017-10-19 13:41           ` Jiri Benc
2017-10-19 21:53             ` Yang, Yi
2017-10-20  8:05               ` Jiri Benc
2017-10-20 11:34                 ` Yang, Yi

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