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Re: [PKT_SCHED]: Allow using nfmark as key in U32 classifier.

To: Thomas Graf <tgraf@xxxxxxx>
Subject: Re: [PKT_SCHED]: Allow using nfmark as key in U32 classifier.
From: jamal <hadi@xxxxxxxxxx>
Date: 31 Dec 2004 12:32:52 -0500
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>, netdev@xxxxxxxxxxx
In-reply-to: <1104511494.1048.303.camel@xxxxxxxxxxxxxxxx>
Organization: jamalopolous
References: <20041229000928.GH32419@xxxxxxxxxxxxxx> <1104282811.1090.314.camel@xxxxxxxxxxxxxxxx> <20041229124842.GI32419@xxxxxxxxxxxxxx> <1104330054.1089.329.camel@xxxxxxxxxxxxxxxx> <20041229150140.GJ32419@xxxxxxxxxxxxxx> <1104335620.1025.22.camel@xxxxxxxxxxxxxxxx> <20041230174313.GB32419@xxxxxxxxxxxxxx> <1104469111.1049.219.camel@xxxxxxxxxxxxxxxx> <20041231110836.GD32419@xxxxxxxxxxxxxx> <1104505142.1048.262.camel@xxxxxxxxxxxxxxxx> <20041231153930.GN32419@xxxxxxxxxxxxxx> <1104511494.1048.303.camel@xxxxxxxxxxxxxxxx>
Reply-to: hadi@xxxxxxxxxx
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On Fri, 2004-12-31 at 11:44, jamal wrote:

> > with the following matches:

One thing i just remembered: You need to know the length of the matches
and their data in order to store them. This is why i was earlier
preaching putting them in TLVs. Some things dont need the datalen
like u32 - however i suspect most will.

So either need a length somewhere in the header or use TLVs for the
ematches in which you can make T=kind - still have 32 bit inside body
but reserve bits not used for flags for future use. Thoughts?.

BTW, for deleting - should not allow deleting one of N matches. Deletion
should be at selector level. Replace can be used to pretend a single
match was deleted.


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