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* sctp: Use skb_queue_walk_safe() and skb_queue_split_tail_init().David S. Miller2008-09-231-8/+2
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* sctp: Kill SCTP_SOCK_SLEEP_{PRE,POST}, unused.David S. Miller2008-06-171-2/+0
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* sctp: add sctp/remaddr table to complete RFC remote address table OIDNeil Horman2008-05-101-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for RFC3873 remote address table OID. +--(5) sctpAssocRemAddrTable | | | |--(-) sctpAssocId (shared index) | | | +--(1) sctpAssocRemAddrType (index) . | . +--(2) sctpAssocRemAddr (index) . | +--(3) sctpAssocRemAddrActive | +--(4) sctpAssocRemAddrHBActive | +--(5) sctpAssocRemAddrRTO | +--(6) sctpAssocRemAddrMaxPathRtx | +--(7) sctpAssocRemAddrRtx | +--(8) sctpAssocRemAddrStartTime This patch places all the requsite data in /proc/net/sctp/remaddr. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'master' of ../net-2.6/David S. Miller2008-03-241-1/+1
|\ | | | | | | | | | | Conflicts: net/ipv6/ndisc.c
| * [SCTP]: Fix build warnings with IPV6 disabled.David S. Miller2008-03-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Introduced by 270637abff0cdf848b910b9f96ad342e1da61c66 ("[SCTP]: Fix a race between module load and protosw access") Reported by Gabriel C: In file included from net/sctp/sm_statetable.c:50: include/net/sctp/sctp.h: In function 'sctp_v6_pf_init': include/net/sctp/sctp.h:392: warning: 'return' with a value, in function returning void In file included from net/sctp/sm_statefuns.c:62: include/net/sctp/sctp.h: In function 'sctp_v6_pf_init': include/net/sctp/sctp.h:392: warning: 'return' with a value, in function returning void ... Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge branch 'master' of ↵David S. Miller2008-03-211-4/+8
|\| | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
| * [SCTP]: Fix a race between module load and protosw accessVlad Yasevich2008-03-201-4/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There is a race is SCTP between the loading of the module and the access by the socket layer to the protocol functions. In particular, a list of addresss that SCTP maintains is not initialized prior to the registration with the protosw. Thus it is possible for a user application to gain access to SCTP functions before everything has been initialized. The problem shows up as odd crashes during connection initializtion when we try to access the SCTP address list. The solution is to refactor how we do registration and initialize the lists prior to registering with the protosw. Care must be taken since the address list initialization depends on some other pieces of SCTP initialization. Also the clean-up in case of failure now also needs to be refactored. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Acked-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [SCTP]: Kill unused static inline sctp_sysctl_jiffies_msIlpo Järvinen2008-02-291-5/+0
|/ | | | | | | | | | After the patch: $ git-grep sctp_sysctl_jiffies_ms | wc -l 0 Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: Stop claiming that this is a "reference implementation"Vlad Yasevich2008-02-051-4/+4
| | | | | | | | | | | I was notified by Randy Stewart that lksctp claims to be "the reference implementation". First of all, "the refrence implementation" was the original implementation of SCTP in usersapce written ty Randy and a few others. Second, after looking at the definiton of 'reference implementation', we don't really meet the requirements. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
* [NET] CORE: Introducing new memory accounting interface.Hideo Aoki2008-01-291-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch introduces new memory accounting functions for each network protocol. Most of them are renamed from memory accounting functions for stream protocols. At the same time, some stream memory accounting functions are removed since other functions do same thing. Renaming: sk_stream_free_skb() -> sk_wmem_free_skb() __sk_stream_mem_reclaim() -> __sk_mem_reclaim() sk_stream_mem_reclaim() -> sk_mem_reclaim() sk_stream_mem_schedule -> __sk_mem_schedule() sk_stream_pages() -> sk_mem_pages() sk_stream_rmem_schedule() -> sk_rmem_schedule() sk_stream_wmem_schedule() -> sk_wmem_schedule() sk_charge_skb() -> sk_mem_charge() Removeing sk_stream_rfree(): consolidates into sock_rfree() sk_stream_set_owner_r(): consolidates into skb_set_owner_r() sk_stream_mem_schedule() The following functions are added. sk_has_account(): check if the protocol supports accounting sk_mem_uncharge(): do the opposite of sk_mem_charge() In addition, to achieve consolidation, updating sk_wmem_queued is removed from sk_mem_charge(). Next, to consolidate memory accounting functions, this patch adds memory accounting calls to network core functions. Moreover, present memory accounting call is renamed to new accounting call. Finally we replace present memory accounting calls with new interface in TCP and SCTP. Signed-off-by: Takahiro Yasui <tyasui@redhat.com> Signed-off-by: Hideo Aoki <haoki@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: Use crc32c library for checksum calculations.Vlad Yasevich2008-01-281-7/+0
| | | | | | | | | | The crc32c library used an identical table and algorithm as SCTP. Switch to using the library instead of carrying our own table. Using crypto layer proved to have too much overhead compared to using the library directly. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* SCTP: Clean-up some defines for regressions tests.Vlad Yasevich2007-11-091-1/+0
| | | | Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
* SCTP: Convert custom hash lists to use hlist.Vlad Yasevich2007-11-091-0/+3
| | | | | | Convert the custom hash list traversals to use hlist functions. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
* SCTP: Fix difference cases of retransmit.Vlad Yasevich2007-11-071-0/+1
| | | | | | | | | | | | | | | | | | | | | Commit d0ce92910bc04e107b2f3f2048f07e94f570035d broke several retransmit cases including fast retransmit. The reason is that we should only delay by rto while doing retranmists as a result of a timeout. Retransmit as a result of path mtu discover, fast retransmit, or other evernts that should trigger immidiate retransmissions got broken. Also, since rto is doubled prior to marking of packets elegable for retransmission, we never marked correct chunks anyway. The fix is provide a reason for a given retransmission so that we can mark chunks appropriately and to save the old rto value to do comparisons against. All regressions tests passed with this code. Spotted by Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
* [SCTP]: #if 0 sctp_update_copy_cksum()Adrian Bunk2007-10-261-1/+0
| | | | | | | | sctp_update_copy_cksum() is no longer used. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: Implement SCTP-AUTH internalsVlad Yasevich2007-10-111-0/+1
| | | | | | | | | This patch implements the internals operations of the AUTH, such as key computation and storage. It also adds necessary variables to the SCTP data structures. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: Rewrite of sctp buffer management codeNeil Horman2007-10-111-0/+5
| | | | | | | | | | | | | This patch introduces autotuning to the sctp buffer management code similar to the TCP. The buffer space can be grown if the advertised receive window still has room. This might happen if small message sizes are used, which is common in telecom environmens. New tunables are introduced that provide limits to buffer growth and memory pressure is entered if to much buffer spaces is used. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: Add RCU synchronization around sctp_localaddr_listVlad Yasevich2007-09-171-0/+1
| | | | | | | | | | | | | sctp_localaddr_list is modified dynamically via NETDEV_UP and NETDEV_DOWN events, but there is not synchronization between writer (even handler) and readers. As a result, the readers can access an entry that has been freed and crash the sytem. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Sridhar Samdurala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sctp: move global declaration to header file.sebastian@breakpoint.cc2007-08-011-0/+10
| | | | | | | | sctp_chunk_cachep & sctp_bucket_cachep is used module global, so move it to a header file. Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
* [SCTP] Flag a pmtu change requestVlad Yasevich2007-06-131-0/+7
| | | | | | | | | | | | Currently, if the socket is owned by the user, we drop the ICMP message. As a result SCTP forgets that path MTU changed and never adjusting it's estimate. This causes all subsequent packets to be fragmented. With this patch, we'll flag the association that it needs to udpate it's estimate based on the already updated routing information. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Acked-by: Sridhar Samudrala <sri@us.ibm.com>
* [SCTP]: Re-order SCTP initializations to avoid race with sctp_rcv()Sridhar Samudrala2007-05-041-0/+4
| | | | | | Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: make 2 functions staticAdrian Bunk2006-12-221-2/+0
| | | | | | | | | | This patch makes the following needlessly global functions static: - ipv6.c: sctp_inet6addr_event() - protocol.c: sctp_inetaddr_event() Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] sysctl: remove unused "context" paramAlexey Dobriyan2006-12-101-1/+1
| | | | | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Andi Kleen <ak@suse.de> Cc: "David S. Miller" <davem@davemloft.net> Cc: David Howells <dhowells@redhat.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [SCTP]: Trivial sctp endianness annotations.Al Viro2006-12-031-1/+1
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: Fix receive buffer accounting.Vlad Yasevich2006-10-121-0/+14
| | | | | | | | | | | | | When doing receiver buffer accounting, we always used skb->truesize. This is problematic when processing bundled DATA chunks because for every DATA chunk that could be small part of one large skb, we would charge the size of the entire skb. The new approach is to store the size of the DATA chunk we are accounting for in the sctp_ulpevent structure and use that stored value for accounting. 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>
* [SCTP]: CleanupsAdrian Bunk2006-09-231-0/+13
| | | | | | | | | | | | | | | | | | | | 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>
* [SCTP]: Extend /proc/net/sctp/snmp to provide more statistics.Sridhar Samudrala2006-09-221-0/+44
| | | | | | | | | | | | | | | | | 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>
* [SCTP]: Use HMAC template and hash interfaceHerbert Xu2006-09-211-11/+0
| | | | | | | 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>
* Fix sctp privilege elevation (CVE-2006-3745)Sridhar Samudrala2006-08-221-13/+0
| | | | | | | | | | | | | | 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>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2006-06-211-1/+1
|\ | | | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [ATM]: fix broken uses of NIPQUAD in net/atm [SCTP]: sctp_unpack_cookie() fix [SCTP]: Fix unintentional change to SCTP_ASSERT when !SCTP_DEBUG [NET]: Prevent multiple qdisc runs [CONNECTOR]: Initialize subsystem earlier. [NETFILTER]: xt_sctp: fix endless loop caused by 0 chunk length
| * [SCTP]: Fix unintentional change to SCTP_ASSERT when !SCTP_DEBUGDavid S. Miller2006-06-201-1/+1
| | | | | | | | | | | | | | | | A local debugging change slipped into a previous changeset. When SCTP_DEBUG is off SCTP_ASSERT should do nothing. Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge git://git.infradead.org/hdrcleanup-2.6Linus Torvalds2006-06-211-1/+0
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.infradead.org/hdrcleanup-2.6: (63 commits) [S390] __FD_foo definitions. Switch to __s32 types in joystick.h instead of C99 types for consistency. Add <sys/types.h> to headers included for userspace in <linux/input.h> Move inclusion of <linux/compat.h> out of user scope in asm-x86_64/mtrr.h Remove struct fddi_statistics from user view in <linux/if_fddi.h> Move user-visible parts of drivers/s390/crypto/z90crypt.h to include/asm-s390 Revert include/media changes: Mauro says those ioctls are only used in-kernel(!) Include <linux/types.h> and use __uXX types in <linux/cramfs_fs.h> Use __uXX types in <linux/i2o_dev.h>, include <linux/ioctl.h> too Remove private struct dx_hash_info from public view in <linux/ext3_fs.h> Include <linux/types.h> and use __uXX types in <linux/affs_hardblocks.h> Use __uXX types in <linux/divert.h> for struct divert_blk et al. Use __u32 for elf_addr_t in <asm-powerpc/elf.h>, not u32. It's user-visible. Remove PPP_FCS from user view in <linux/ppp_defs.h>, remove __P mess entirely Use __uXX types in user-visible structures in <linux/nbd.h> Don't use 'u32' in user-visible struct ip_conntrack_old_tuple. Use __uXX types for S390 DASD volume label definitions which are user-visible S390 BIODASDREADCMB ioctl should use __u64 not u64 type. Remove unneeded inclusion of <linux/time.h> from <linux/ufs_fs.h> Fix private integer types used in V4L2 ioctls. ... Manually resolve conflict in include/linux/mtd/physmap.h
| * Merge branch 'master' of ↵David Woodhouse2006-05-241-3/+3
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: include/asm-powerpc/unistd.h include/asm-sparc/unistd.h include/asm-sparc64/unistd.h Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | Don't include linux/config.h from anywhere else in include/David Woodhouse2006-04-261-1/+0
| | | | | | | | | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* | | [SCTP] Reset rtt_in_progress for the chunk when processing its sack.Vlad Yasevich2006-06-181-1/+1
| |/ |/| | | | | | | | | 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>
* | [SCTP]: Respect the real chunk length when walking parameters.Vladislav Yasevich2006-05-191-3/+3
|/ | | | | | | | | | | | | When performing bound checks during the parameter processing, we want to use the real chunk and paramter lengths for bounds instead of the rounded ones. This prevents us from potentially walking of the end if the chunk length was miscalculated. We still use rounded lengths when advancing the pointer. This was found during a conformance test that changed the chunk length without modifying parameters. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
* [SCTP]: Fix couple of races between sctp_peeloff() and sctp_rcv().Sridhar Samudrala2006-01-171-0/+2
| | | | | | | | | | 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>
* [NET]: Use NIP6_FMT in kernel.hJoe Perches2006-01-131-2/+2
| | | | | | | | | | | | | | | | | | | There are errors and inconsistency in the display of NIP6 strings. ie: net/ipv6/ip6_flowlabel.c There are errors and inconsistency in the display of NIPQUAD strings too. ie: net/netfilter/nf_conntrack_ftp.c This patch: adds NIP6_FMT to kernel.h changes all code to use NIP6_FMT fixes net/ipv6/ip6_flowlabel.c adds NIPQUAD_FMT to kernel.h fixes net/netfilter/nf_conntrack_ftp.c changes a few uses of "%u.%u.%u.%u" to NIPQUAD_FMT for symmetry to NIP6_FMT Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] gfp flags annotations - part 1Al Viro2005-10-091-1/+1
| | | | | | | | | | | | - added typedef unsigned int __nocast gfp_t; - replaced __nocast uses for gfp flags with gfp_t - it gives exactly the same warnings as far as sparse is concerned, doesn't change generated code (from gcc point of view we replaced unsigned int with typedef) and documents what's going on far better. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [SCTP]: Fix potential null pointer dereference while handling an icmp errorSridhar Samudrala2005-07-181-5/+2
| | | | | Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: __nocast annotationsAlexey Dobriyan2005-07-121-1/+2
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP] sctp_connectx() API supportFrank Filz2005-06-201-0/+17
| | | | | | | | | Implements sctp_connectx() as defined in the SCTP sockets API draft by tunneling the request through a setsockopt(). Signed-off-by: Frank Filz <ffilzlnx@us.ibm.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-171-0/+620
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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