cvs commit: src/sys/netgraph ng_ppp.c ng_ppp.h

[Gleb Smirnoff]

On Thu, Dec 28, 2006 at 01:21:54PM +0000, Gleb Smirnoff wrote:
T> glebius     2006-12-28 13:21:54 UTC
T> 
T>   FreeBSD src repository
T> 
T>   Modified files:
T>     sys/netgraph         ng_ppp.c ng_ppp.h 
T>   Log:
T>   Before this commit, if the compression is enabled the, ng_ppp(4)
T>   node would send every outgoing frame to the "compress" hook.
T>   Packets received on the "compress" hook were expected to be
T>   compressed and PROT_COMPD tag was put on them unconditionally.
T>   
T>   After this commit an alternative compression mode can be set.
T>   In this mode the node doesn't put the PROT_COMPD, the compressor
T>   should put it itself. This is important for such kind of
T>   compressors, that can submit uncompressed frames.
T>   
T>   Before this commit, if the decompression is enabled, the ng_ppp(4)
T>   node would send and incoming frame to the "decompress" hook
T>   only if it has the PROT_COMPD proto tag on it.
T>   
T>   After this commit an alternative decompression mode can be set.
T>   In this mode the node sends all the incoming packets to the
T>   decompression hook. This is important for such kind of compressors
T>   that need uncompressed packets too, to keep their library in sync.
T>   
T>   These new features will be used in new version of mpd4, and in new
T>   compressor nodes.
T>   
T>   Submitted by:   Alexander Motin <mav alkar.net>

This commit obfuscates ng_ppp_input() further. We have plans to
toss some code in the ng_ppp(4), utilizing per-hook receive data
methods to make its input code path more clear for reading.

-- 
Totus tuus, Glebius.
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