* SCTP: use lib/libcrc32c.c instead of net/sctp/crc32c.c?
@ 2005-05-13 13:50 Adrian Bunk
2005-05-14 1:01 ` Sridhar Samudrala
0 siblings, 1 reply; 2+ messages in thread
From: Adrian Bunk @ 2005-05-13 13:50 UTC (permalink / raw)
To: Clay Haapala; +Cc: sri, lksctp-developers, netdev, linux-kernel
As far as I understand it, lib/libcrc32c.c could be used instead of the
similar code in net/sctp/crc32c.c .
Is there any reason why this isn't done?
cu
Adrian
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"Only a promise," Lao Er said.
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^ permalink raw reply [flat|nested] 2+ messages in thread* Re: SCTP: use lib/libcrc32c.c instead of net/sctp/crc32c.c?
2005-05-13 13:50 SCTP: use lib/libcrc32c.c instead of net/sctp/crc32c.c? Adrian Bunk
@ 2005-05-14 1:01 ` Sridhar Samudrala
0 siblings, 0 replies; 2+ messages in thread
From: Sridhar Samudrala @ 2005-05-14 1:01 UTC (permalink / raw)
To: Adrian Bunk; +Cc: Clay Haapala, lksctp-developers, netdev, linux-kernel
Adrian Bunk wrote:
>As far as I understand it, lib/libcrc32c.c could be used instead of the
>similar code in net/sctp/crc32c.c .
>
>Is there any reason why this isn't done?
>
>
The SCTP RFC3309 says that SCTP uses a tranport-level CRC where the bit
ordering is mirrored and different from link-level CRC.
The CRC is computed using a procedure similar to ETHERNET CRC [ITU32],
modified to reflect transport level usage.
So I am not sure if we can use the libcrc32c routines for calculating SCTP
crc32 checksum. But if it is possible, we should definitely use the crc32
library.
Thanks
Sridhar
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2005-05-13 13:50 SCTP: use lib/libcrc32c.c instead of net/sctp/crc32c.c? Adrian Bunk
2005-05-14 1:01 ` Sridhar Samudrala
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