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Date: Wed, 21 Jan 2015 16:45:24 -0800 From: Joe Stringer <joestringer@...ira.com> To: Pravin Shelar <pshelar@...ira.com> Cc: netdev <netdev@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>, "dev@...nvswitch.org" <dev@...nvswitch.org> Subject: Re: [PATCH net-next v13 5/5] openvswitch: Add support for unique flow IDs. On 21 January 2015 at 15:41, Pravin Shelar <pshelar@...ira.com> wrote: > On Wed, Jan 21, 2015 at 11:29 AM, Joe Stringer <joestringer@...ira.com> wrote: >> On 21 January 2015 at 10:31, Pravin Shelar <pshelar@...ira.com> wrote: >>> On Tue, Jan 20, 2015 at 10:32 AM, Joe Stringer <joestringer@...ira.com> wrote: >>>> Previously, flows were manipulated by userspace specifying a full, >>>> unmasked flow key. This adds significant burden onto flow >>>> serialization/deserialization, particularly when dumping flows. >>>> >>>> This patch adds an alternative way to refer to flows using a >>>> variable-length "unique flow identifier" (UFID). At flow setup time, >>>> userspace may specify a UFID for a flow, which is stored with the flow >>>> and inserted into a separate table for lookup, in addition to the >>>> standard flow table. Flows created using a UFID must be fetched or >>>> deleted using the UFID. >>>> >>>> All flow dump operations may now be made more terse with OVS_UFID_F_* >>>> flags. For example, the OVS_UFID_F_OMIT_KEY flag allows responses to >>>> omit the flow key from a datapath operation if the flow has a >>>> corresponding UFID. This significantly reduces the time spent assembling >>>> and transacting netlink messages. With all OVS_UFID_F_OMIT_* flags >>>> enabled, the datapath only returns the UFID and statistics for each flow >>>> during flow dump, increasing ovs-vswitchd revalidator performance by 40% >>>> or more. >>>> >>>> Signed-off-by: Joe Stringer <joestringer@...ira.com> >>> >>> Its almost ready. But I saw minor issues, >>> few checkpatch.pl failures. >>> in ovs_flow_cmd_new() we should use unmasked key to lookup in flow >>> table for legacy case. >> >> Thanks for review, I can send out a fresh version soon. Should I >> resend the whole series or is just a new version of this patch >> sufficient? > > I think you have to send entire series. Dave will not apply series > patches from different versions. Thanks. I also realized there were checkpatch issues in the first patch, so I resent the whole series anyway. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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