linux.git/include/net/sctp, branch v2.6.29

sctp: Fix crc32c calculations on big-endian arhes.

2009-01-22T22:52:23+00:00

crc32c algorithm provides a byteswaped result.  On little-endian
arches, the result ends up in big-endian/network byte order.
On big-endinan arches, the result ends up in little-endian
order and needs to be byte swapped again.  Thus calling cpu_to_le32
gives the right output.

Tested-by: Jukka Taimisto 
Signed-off-by: Vlad Yasevich 
Signed-off-by: David S. Miller

sctp: Implement socket option SCTP_GET_ASSOC_NUMBER

2008-12-26T00:57:24+00:00

Implement socket option SCTP_GET_ASSOC_NUMBER of the latest ietf socket
extensions API draft.

  8.2.5.  Get the Current Number of Associations (SCTP_GET_ASSOC_NUMBER)

   This option gets the current number of associations that are attached
   to a one-to-many style socket.  The option value is an uint32_t.

Signed-off-by: Wei Yongjun 
Signed-off-by: Vlad Yasevich 
Signed-off-by: David S. Miller

net: Use a percpu_counter for sockets_allocated

2008-11-26T05:16:35+00:00

Instead of using one atomic_t per protocol, use a percpu_counter
for "sockets_allocated", to reduce cache line contention on
heavy duty network servers. 

Note : We revert commit (248969ae31e1b3276fc4399d67ce29a5d81e6fd9
net: af_unix can make unix_nr_socks visbile in /proc),
since it is not anymore used after sock_prot_inuse_add() addition

Signed-off-by: Eric Dumazet 
Signed-off-by: David S. Miller

misc: replace NIPQUAD()

2008-10-31T07:56:49+00:00

Using NIPQUAD() with NIPQUAD_FMT, %d.%d.%d.%d or %u.%u.%u.%u
can be replaced with %pI4

Signed-off-by: Harvey Harrison 
Signed-off-by: David S. Miller

net: replace %p6 with %pI6

2008-10-29T19:52:50+00:00

Signed-off-by: Harvey Harrison 
Signed-off-by: David S. Miller

net: replace uses of NIP6_FMT with %p6

2008-10-29T06:02:31+00:00

Signed-off-by: Harvey Harrison 
Signed-off-by: David S. Miller

sctp: Fix to handle SHUTDOWN in SHUTDOWN_RECEIVED state

2008-10-23T08:01:18+00:00

Once an endpoint has reached the SHUTDOWN-RECEIVED state,
it MUST NOT send a SHUTDOWN in response to a ULP request.
The Cumulative TSN Ack of the received SHUTDOWN chunk
MUST be processed.

This patch fix to process Cumulative TSN Ack of the received
SHUTDOWN chunk in SHUTDOWN_RECEIVED state.

Signed-off-by: Wei Yongjun 
Signed-off-by: Vlad Yasevich 
Signed-off-by: David S. Miller

include: replace FUNCTION with func

2008-10-16T18:21:30+00:00

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

sctp: shrink sctp_tsnmap some more by removing gabs array

2008-10-08T21:19:01+00:00

The gabs array in the sctp_tsnmap structure is only used
in one place, sctp_make_sack().  As such, carrying the
array around in the sctp_tsnmap and thus directly in
the sctp_association is rather pointless since most
of the time it's just taking up space.  Now, let
sctp_make_sack create and populate it and then throw
it away when it's done.

Signed-off-by: Vlad Yasevich 
Signed-off-by: David S. Miller

sctp: Rework the tsn map to use generic bitmap.

2008-10-08T21:18:39+00:00

The tsn map currently use is 4K large and is stuck inside
the sctp_association structure making memory references REALLY
expensive.  What we really need is at most 4K worth of bits
so the biggest map we would have is 512 bytes.   Also, the
map is only really usefull when we have gaps to store and
report.  As such, starting with minimal map of say 32 TSNs (bits)
should be enough for normal low-loss operations.  We can grow
the map by some multiple of 32 along with some extra room any
time we receive the TSN which would put us outside of the map
boundry.  As we close gaps, we can shift the map to rebase
it on the latest TSN we've seen.  This saves 4088 bytes per
association just in the map alone along savings from the now
unnecessary structure members.

Signed-off-by: Vlad Yasevich 
Signed-off-by: David S. Miller