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This patch removes CVS keywords that weren't updated for a long time
from comments.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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From: Matt Domsch <Matt_Domsch@dell.com>
The patch below implements the Microsoft Point-to-Point Encryption method
as a PPP compressor/decompressor. This is necessary for Linux clients and
servers to interoperate with Microsoft Point-to-Point Tunneling Protocol
(PPTP) servers (either Microsoft PPTP servers or the poptop project) which
use MPPE to encrypt data when creating a VPN.
This patch differs from the kernel_ppp_mppe DKMS pacakge at
pptpclient.sourceforge.net by utilizing the kernel crypto routines rather
than providing its own SHA1 and arcfour implementations.
Minor changes to ppp_generic.c try to prevent a link from disabling
compression (in our case, the encryption) after it has started using
compression (encryption).
Feedback to <pptpclient-devel@lists.sourceforge.net> please.
Signed-off-by: Matt Domsch <Matt_Domsch@dell.com>
Cc: James Cameron <james.cameron@hp.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Brice Goglin <Brice.Goglin@ens-lyon.org>
Acked-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes two bugs that were stopping PPP compression (and in
particular, Deflate compression) from working.
The first bug was pointed out by Richard Moats. In the conversion to
use pskb_may_pull, we ended up with a bogus test which basically meant
that the kernel driver never saw the CCP conf-ack packets and thus
never enabled compression.
The second bug crept in with the change of DEFLATE_MIN_SIZE from 8 to
9. Changing that definition had the unfortunate side-effect of
changing the way that the code interpreted the encoded Deflate
parameter bytes. This meant that we were using the wrong window size,
twice what we had actually negotiated with the peer.
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This bit is left from the zlib changes. According to Paul, the zlib
bug is already caught in userspace pppd, but not in the kernel ppp
code. With this patch, there is one potential hickup less in ppp.
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