CCP In PPP


 
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Old 03-15-2007
CCP In PPP

Hi,
I am using linux-2.6.10 mandrake. In which i am establishing PPP sessions with the peer.During the PPP negotiations i negotiate even CCP-deflate compression option.
I just wanted to know the amount of memory which is being used in kernel space by the compression algorithms,when a ccp compressed session is established.
Or in general how will i come to know about the amount of memory being used in kernel space at run time.Becoz top command shows memory being used only in user space.

Regards,
Sriram..
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PPP(4)							   BSD Kernel Interfaces Manual 						    PPP(4)

NAME
ppp -- point to point protocol network interface SYNOPSIS
options PPP_BSDCOMP options PPP_DEFLATE options PPP_FILTER pseudo-device ppp DESCRIPTION
The ppp interface allows serial lines to be used as network interfaces using the Point-to-Point Protocol (PPP). The ppp interface can use various types of compression and has many features over the SLIP protocol used by the sl(4) interface. Supported options are: options PPP_BSDCOMP Enable support for BSD-compress (`bsdcomp') compression in ppp. options PPP_DEFLATE Enable support for deflate compression in ppp. options PPP_FILTER This option turns on pcap(3) based filtering for ppp connections. This option is used by pppd(8) which needs to be compiled with PPP_FILTER defined (the current default). DIAGNOSTICS
ppp%d: af%d not supported . The interface was handed a message with addresses formatted in an unsuitable address family; the packet was dropped. SEE ALSO
inet(4), intro(4), sl(4), pppd(8), pppstats(8) The Point-to-Point Protocol (PPP), RFC 1661, July 1994. HISTORY
The ppp device appeared in NetBSD 1.0. BUGS
Currently, only the ip(4) and ip6(4) protocols are supported. BSD
January 10, 2005 BSD