improve description on ipcomp case. (sync'ed with kAME)
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@ -25,8 +25,8 @@
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $NetBSD: setkey.8,v 1.4 1999/08/08 13:27:30 itojun Exp $
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.\" KAME Id: setkey.8,v 1.1.2.20.2.9.2.20 1999/07/02 07:52:24 sakane Exp
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.\" $NetBSD: setkey.8,v 1.5 1999/09/07 06:49:37 itojun Exp $
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.\" KAME Id: setkey.8,v 1.1.1.1 1999/08/08 23:31:51 itojun Exp
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.\"
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.Dd May 17, 1998
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.Dt SETKEY 8
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@ -327,17 +327,30 @@ must be decimal number in 32-bit word. If
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.Ar replay
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is zero or not specified, repley check don't take place.
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.Fl R
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is used with
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.Li ipcomp ,
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the kernel will use well-known IPComp CPI
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is used only with
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.Li ipcomp .
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If
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.Fl R
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is specified with
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.Li ipcomp
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line, the kernel will use well-known IPComp CPI
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.Pq compression parameter index
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on outgoing packets.
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Therefore, compression protocol number will appear on IPComp CPI field.
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on IPComp CPI field on packets, and
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.Ar spi
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field will be ignored.
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.Ar spi
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field is only for kernel internal use in this case.
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.\"Therefore, compression protocol number will appear on IPComp CPI field.
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If
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.Fl R
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is not used,
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the value on
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.Ar spi
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will appear on IPComp CPI field on outgoing packets.
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field will appear on IPComp CPI field on outgoing packets.
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.Ar spi
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field needs to be smaller than
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.Li 0x10000
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in this case.
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.\"
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.It Ar protocol0
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This is a subset of
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