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2006-09-29[SCTP]: Do not timestamp every SCTP packet.Vlad Yasevich
We only need the timestamp on COOKIE-ECHO chunks, so instead of always timestamping every SCTP packet, let common code timestamp if the socket option is set. For COOKIE-ECHO, simply get the time of day if we don't have a timestamp. This introduces a small possibility that the cookie may be considered expired, but it will be renegotiated. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-09-29[SCTP]: Use correct mask when disabling PMTUD.Vlad Yasevich
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-09-29[SCTP]: Include sk_buff overhead while updating the peer's receive window.Sridhar Samudrala
Currently if the sender is sending small messages, it can cause a receiver to run out of receive buffer space even when the advertised receive window is still open and results in packet drops and retransmissions. Including a overhead while updating the sender's view of peer receive window will reduce the chances of receive buffer space overshooting the receive window. Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-09-29[SCTP]: Enable Nagle algorithm by default.Sridhar Samudrala
This allows more aggressive bundling of chunks when sending small messages. Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-09-22[IPV6] ADDRCONF: Convert addrconf_lock to RCU.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-09-22[SCTP]: CleanupsAdrian Bunk
This patch contains the following cleanups: - make the following needlessly global function static: - socket.c: sctp_apply_peer_addr_params() - add proper prototypes for the several global functions in include/net/sctp/sctp.h Note that this fixes wrong prototypes for the following functions: - sctp_snmp_proc_exit() - sctp_eps_proc_exit() - sctp_assocs_proc_exit() The latter was spotted by the GNU C compiler and reported by David Woodhouse. Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-09-22[SCTP]: Change globals to __read_mostlyBrian Haley
Change sctp globals to __read_mostly. Signed-off-by: Brian Haley <brian.haley@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-09-22[NET]: Fix sk->sk_filter field accessDmitry Mishin
Function sk_filter() is called from tcp_v{4,6}_rcv() functions with arg needlock = 0, while socket is not locked at that moment. In order to avoid this and similar issues in the future, use rcu for sk->sk_filter field read protection. Signed-off-by: Dmitry Mishin <dim@openvz.org> Signed-off-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Signed-off-by: Kirill Korotaev <dev@openvz.org>
2006-09-22[SCTP]: Remove multiple levels of msecs to jiffies conversions.Vladislav Yasevich
The SCTP sysctl entries are displayed in milliseconds, but stored internally in jiffies. This results in multiple levels of msecs to jiffies conversion and as a result produces a truncation error. This patch makes things consistent in that we store and display defaults in milliseconds and only convert once for use by association. This patch also adds some sane min/max values so that we don't go off the deep end. Signed-off-by: Vladislav Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-09-22[SCTP]: Use the flags value that is passed as an arg to sctp_accept.Sridhar Samudrala
No need to do multiple dereferences - sk->sk_socket->file->f_flags Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-09-22[SCTP]: Fix IPv6 address flag setting when doing peel-off/accept.Vladislav Yasevich
During accept/peeloff we try to copy the list of bound addresses from the original endpoint to the new one. However, we forgot to set the flag to say that IPv6 is allowed on the new endpoint. Signed-off-by: Vladislav Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-09-22[SCTP]: Cleanup nomem handling in the state functions.Vladislav Yasevich
This patch cleans up the "nomem" conditions that may occur during the processing by the state machine functions. In most cases we delay adding side-effect commands until all memory allocations are done. Signed-off-by: Vladislav Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-09-22[SCTP]: Extend /proc/net/sctp/snmp to provide more statistics.Sridhar Samudrala
This patch adds more statistics info under /proc/net/sctp/snmp that should be useful for debugging. The additional events that are counted now include timer expirations, retransmits, packet and data chunk discards. The Data chunk discards include all the cases where a data chunk is discarded including high tsn, bad stream, dup tsn and the most useful one(out of receive buffer/rwnd). Also moved the SCTP MIB data structures from the generic include directories to include/sctp/sctp.h. Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-09-21[SCTP]: Use HMAC template and hash interfaceHerbert Xu
This patch converts SCTP to use the new HMAC template and hash interface. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-08-29[SCTP]: Fix sctp_primitive_ABORT() call in sctp_close().Sridhar Samudrala
With the recent fix, the callers of sctp_primitive_ABORT() need to create an ABORT chunk and pass it as an argument rather than msghdr that was passed earlier. Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-08-22Fix sctp privilege elevation (CVE-2006-3745)Sridhar Samudrala
sctp_make_abort_user() now takes the msg_len along with the msg so that we don't have to recalculate the bytes in iovec. It also uses memcpy_fromiovec() so that we don't go beyond the length allocated. It is good to have this fix even if verify_iovec() is fixed to return error on overflow. Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-07-21[SCTP]: ADDIP: Don't use an address as source until it is ASCONF-ACKedSridhar Samudrala
This implements Rules D1 and D4 of Sec 4.3 in the ADDIP draft. Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-07-21[SCTP]: Set chunk->data_accepted only if we are going to accept it.Sridhar Samudrala
Currently there is a code path in sctp_eat_data() where it is possible to set this flag even when we are dropping this chunk. Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-07-21[SCTP]: Verify all the paths to a peer via heartbeat before using them.Sridhar Samudrala
This patch implements Path Initialization procedure as described in Sec 2.36 of RFC4460. Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-07-21[SCTP]: Unhash the endpoint in sctp_endpoint_free().Vlad Yasevich
This prevents a race between the close of a socket and receive of an incoming packet. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-07-21[SCTP]: Check for NULL arg to sctp_bucket_destroy().Sridhar Samudrala
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-30Remove obsolete #include <linux/config.h>Jörn Engel
Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-06-20[SCTP]: sctp_unpack_cookie() fixAl Viro
sizeof(pointer) != sizeof(array)... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[SCTP]: Fix persistent slowdown in sctp when a gap ack consumes rx buffer.Neil Horman
In the event that our entire receive buffer is full with a series of chunks that represent a single gap-ack, and then we accept a chunk (or chunks) that fill in the gap between the ctsn and the first gap, we renege chunks from the end of the buffer, which effectively does nothing but move our gap to the end of our received tsn stream. This does little but move our missing tsns down stream a little, and, if the sender is sending sufficiently large retransmit frames, the result is a perpetual slowdown which can never be recovered from, since the only chunk that can be accepted to allow progress in the tsn stream necessitates that a new gap be created to make room for it. This leads to a constant need for retransmits, and subsequent receiver stalls. The fix I've come up with is to deliver the frame without reneging if we have a full receive buffer and the receiving sockets sk_receive_queue is empty(indicating that the receive buffer is being blocked by a missing tsn). Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[SCTP]: Send only 1 window update SACK per message.Tsutomu Fujii
Right now, every time we increase our rwnd by more then MTU bytes, we trigger a SACK. When processing large messages, this will generate a SACK for almost every other SCTP fragment. However since we are freeing the entire message at the same time, we might as well collapse the SACK generation to 1. Signed-off-by: Tsutomu Fujii <t-fujii@nb.jp.nec.com> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[SCTP]: Don't do CRC32C checksum over loopback.Sridhar Samudrala
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[SCTP] Reset rtt_in_progress for the chunk when processing its sack.Vlad Yasevich
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[SCTP]: Reject sctp packets with broadcast addresses.Vlad Yasevich
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[SCTP]: Limit association max_retrans setting in setsockopt.Vlad Yasevich
When using ASSOCINFO socket option, we need to limit the number of maximum association retransmissions to be no greater than the sum of all the path retransmissions. This is specified in Section 7.1.2 of the SCTP socket API draft. However, we only do this if the association has multiple paths. If there is only one path, the protocol stack will use the assoc_max_retrans setting when trying to retransmit packets. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-05-19[SCTP]: Allow linger to abort 1-N style sockets.Vladislav Yasevich
Enable SO_LINGER functionality for 1-N style sockets. The socket API draft will be clarfied to allow for this functionality. The linger settings will apply to all associations on a given socket. Signed-off-by: Vladislav Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
2006-05-19[SCTP]: Validate the parameter length in HB-ACK chunk.Vladislav Yasevich
If SCTP receives a badly formatted HB-ACK chunk, it is possible that we may access invalid memory and potentially have a buffer overflow. We should really make sure that the chunk format is what we expect, before attempting to touch the data. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
2006-05-19[SCTP]: A better solution to fix the race between sctp_peeloff() andVladislav Yasevich
sctp_rcv(). The goal is to hold the ref on the association/endpoint throughout the state-machine process. We accomplish like this: /* ref on the assoc/ep is taken during lookup */ if owned_by_user(sk) sctp_add_backlog(skb, sk); else inqueue_push(skb, sk); /* drop the ref on the assoc/ep */ However, in sctp_add_backlog() we take the ref on assoc/ep and hold it while the skb is on the backlog queue. This allows us to get rid of the sock_hold/sock_put in the lookup routines. Now sctp_backlog_rcv() needs to account for potential association move. In the unlikely event that association moved, we need to retest if the new socket is locked by user. If we don't this, we may have two packets racing up the stack toward the same socket and we can't deal with it. If the new socket is still locked, we'll just add the skb to its backlog continuing to hold the ref on the association. This get's rid of the need to move packets from one backlog to another and it also safe in case new packets arrive on the same backlog queue. The last step, is to lock the new socket when we are moving the association to it. This is needed in case any new packets arrive on the association when it moved. We want these to go to the backlog since we would like to avoid the race between this new packet and a packet that may be sitting on the backlog queue of the old socket toward the same association. Signed-off-by: Vladislav Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
2006-05-19[SCTP]: Set sk_err so that poll wakes up after a non-blocking connect failure.Sridhar Samudrala
Also fix some other cases where sk_err is not set for 1-1 style sockets. Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
2006-05-05[SCTP]: Fix state table entries for chunks received in CLOSED state.Sridhar Samudrala
Discard an unexpected chunk in CLOSED state rather can calling BUG(). Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-05-05[SCTP]: Fix panic's when receiving fragmented SCTP control chunks.Sridhar Samudrala
Use pskb_pull() to handle incoming COOKIE_ECHO and HEARTBEAT chunks that are received as skb's with fragment list. Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-05-05[SCTP]: Prevent possible infinite recursion with multiple bundled DATA.Vladislav Yasevich
There is a rare situation that causes lksctp to go into infinite recursion and crash the system. The trigger is a packet that contains at least the first two DATA fragments of a message bundled together. The recursion is triggered when the user data buffer is smaller that the full data message. The problem is that we clone the skb for every fragment in the message. When reassembling the full message, we try to link skbs from the "first fragment" clone using the frag_list. However, since the frag_list is shared between two clones in this rare situation, we end up setting the frag_list pointer of the second fragment to point to itself. This causes sctp_skb_pull() to potentially recurse indefinitely. Proposed solution is to make a copy of the skb when attempting to link things using frag_list. Signed-off-by: Vladislav Yasevich <vladsilav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-05-05[SCTP]: Allow spillover of receive buffer to avoid deadlock.Neil Horman
This patch fixes a deadlock situation in the receive path by allowing temporary spillover of the receive buffer. - If the chunk we receive has a tsn that immediately follows the ctsn, accept it even if we run out of receive buffer space and renege data with higher TSNs. - Once we accept one chunk in a packet, accept all the remaining chunks even if we run out of receive buffer space. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Acked-by: Mark Butler <butlerm@middle.net> Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-04-11[PATCH] for_each_possible_cpu: network codesKAMEZAWA Hiroyuki
for_each_cpu() actually iterates across all possible CPUs. We've had mistakes in the past where people were using for_each_cpu() where they should have been iterating across only online or present CPUs. This is inefficient and possibly buggy. We're renaming for_each_cpu() to for_each_possible_cpu() to avoid this in the future. This patch replaces for_each_cpu with for_each_possible_cpu under /net Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-25Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [NETFILTER] x_table.c: sem2mutex [IPV4]: Aggregate route entries with different TOS values [TCP]: Mark tcp_*mem[] __read_mostly. [TCP]: Set default max buffers from memory pool size [SCTP]: Fix up sctp_rcv return value [NET]: Take RTNL when unregistering notifier [WIRELESS]: Fix config dependencies. [NET]: Fill in a 32-bit hole in struct sock on 64-bit platforms. [NET]: Ensure device name passed to SO_BINDTODEVICE is NULL terminated. [MODULES]: Don't allow statically declared exports [BRIDGE]: Unaligned accesses in the ethernet bridge
2006-03-25[PATCH] POLLRDHUP/EPOLLRDHUP handling for half-closed devices notificationsDavide Libenzi
Implement the half-closed devices notifiation, by adding a new POLLRDHUP (and its alias EPOLLRDHUP) bit to the existing poll/select sets. Since the existing POLLHUP handling, that does not report correctly half-closed devices, was feared to be changed, this implementation leaves the current POLLHUP reporting unchanged and simply add a new bit that is set in the few places where it makes sense. The same thing was discussed and conceptually agreed quite some time ago: http://lkml.org/lkml/2003/7/12/116 Since this new event bit is added to the existing Linux poll infrastruture, even the existing poll/select system calls will be able to use it. As far as the existing POLLHUP handling, the patch leaves it as is. The pollrdhup-2.6.16.rc5-0.10.diff defines the POLLRDHUP for all the existing archs and sets the bit in the six relevant files. The other attached diff is the simple change required to sys/epoll.h to add the EPOLLRDHUP definition. There is "a stupid program" to test POLLRDHUP delivery here: http://www.xmailserver.org/pollrdhup-test.c It tests poll(2), but since the delivery is same epoll(2) will work equally. Signed-off-by: Davide Libenzi <davidel@xmailserver.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Michael Kerrisk <mtk-manpages@gmx.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-25[SCTP]: Fix up sctp_rcv return valueHerbert Xu
I was working on the ipip/xfrm problem and as usual I get side-tracked by other problems. As part of an attempt to change the IPv4 protocol handler calling convention I found that SCTP violated the existing convention. It's returning non-zero values after freeing the skb. This is doubly bad as 1) the skb gets resubmitted; 2) the return value is interpreted as a protocol number. This patch changes those return values to zero. IPv6 doesn't suffer from this problem because it uses a positive return value as an indication for resubmission. So the only effect of this patch there is to increment the IPSTATS_MIB_INDELIVERS counter which IMHO is the right thing to do. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NET]: Identation & other cleanups related to compat_[gs]etsockopt csetArnaldo Carvalho de Melo
No code changes, just tidying up, in some cases moving EXPORT_SYMBOLs to just after the function exported, etc. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NET]: {get|set}sockopt compatibility layerDmitry Mishin
This patch extends {get|set}sockopt compatibility layer in order to move protocol specific parts to their place and avoid huge universal net/compat.c file in the future. Signed-off-by: Dmitry Mishin <dim@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-02-02[SCTP]: Fix 'fast retransmit' to send a TSN only once.Vlad Yasevich
SCTP used to "fast retransmit" a TSN every time we hit the number of missing reports for the TSN. However the Implementers Guide specifies that we should only "fast retransmit" a given TSN once. Subsequent retransmits should be timeouts only. Also change the number of missing reports to 3 as per the latest IG(similar to TCP). Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-01-30[SCTP]: heartbeats exceed maximum retransmssion limitVlad Yasevich
The number of HEARTBEAT chunks that an association may transmit is limited by Association.Max.Retrans count; however, the code allows us to send one extra heartbeat. This patch limits the number of heartbeats to the maximum count. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-01-30[SCTP]: correct the number of INIT retransmissionsVlad Yasevich
We currently count the initial INIT/COOKIE_ECHO chunk toward the retransmit count and thus sends a total of sctp_max_retrans_init chunks. The correct behavior is to retransmit the chunk sctp_max_retrans_init in addition to sending the original. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-01-17[SCTP]: Fix sctp_rcv_ootb() to handle the last chunk of a packet correctly.Tsutomu Fujii
Signed-off-by: Tsutomu Fujii <t-fujii@nb.jp.nec.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
2006-01-17[SCTP]: Fix couple of races between sctp_peeloff() and sctp_rcv().Sridhar Samudrala
Validate and update the sk in sctp_rcv() to avoid the race where an assoc/ep could move to a different socket after we get the sk, but before the skb is added to the backlog. Also migrate the skb's in backlog queue to new sk when doing a peeloff. Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
2006-01-17[SCTP]: Fix machine check/connection hang on IA64.Vlad Yasevich
sctp_unpack_cookie used an on-stack array called digest as a result/out parameter in the call to crypto_hmac. However, hmac code (crypto_hmac_final) assumes that the 'out' argument is in virtual memory (identity mapped region) and can use virt_to_page call on it. This does not work with the on-stack declared digest. The problems observed so far have been: a) incorrect hmac digest b) machine check and hardware reset. Solution is to define the digest in an identity mapped region by kmalloc'ing it. We can do this once as part of the endpoint structure and re-use it when verifying the SCTP cookie. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
2006-01-17[SCTP]: Fix bad sysctl formatting of SCTP timeout values on 64-bit m/cs.Vlad Yasevich
Change all the structure members that hold jiffies to be of type unsigned long. This also corrects bad sysctl formating on 64 bit architectures. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>