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* [NET]: Remove more unneeded typecasts on *malloc()Kris Katterjohn2006-01-11
| | | | | | | | | This removes more unneeded casts on the return value for kmalloc(), sock_kmalloc(), and vmalloc(). Signed-off-by: Kris Katterjohn <kjak@users.sourceforge.net> Acked-by: James Morris <jmorris@namei.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Change some "if (x) BUG();" to "BUG_ON(x);"Kris Katterjohn2006-01-09
| | | | | | | This changes some simple "if (x) BUG();" statements to "BUG_ON(x);" Signed-off-by: Kris Katterjohn <kjak@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Keep conntrack reference until IPsec policy checks are donePatrick McHardy2006-01-07
| | | | | | | | | Keep the conntrack reference until policy checks have been performed for IPsec NAT support. The reference needs to be dropped before a packet is queued to avoid having the conntrack module unloadable. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Move nextheader offset to the IP6CBPatrick McHardy2006-01-07
| | | | | | | | | | Move nextheader offset to the IP6CB to make it possible to pass a packet to ip6_input_finish multiple times and have it skip already parsed headers. As a nice side effect this gets rid of the manual hopopts skipping in ip6_input_finish. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET_SOCK]: Move struct inet_sock & helper functions to net/inet_sock.hArnaldo Carvalho de Melo2006-01-03
| | | | | | | | | | | To help in reducing the number of include dependencies, several files were touched as they were getting needed headers indirectly for stuff they use. Thanks also to Alan Menegotto for pointing out that net/dccp/proto.c had linux/dccp.h include twice. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: move struct proto_ops to constEric Dumazet2006-01-03
| | | | | | | | | | | | | | | | | | | | | | I noticed that some of 'struct proto_ops' used in the kernel may share a cache line used by locks or other heavily modified data. (default linker alignement is 32 bytes, and L1_CACHE_LINE is 64 or 128 at least) This patch makes sure a 'struct proto_ops' can be declared as const, so that all cpus can share all parts of it without false sharing. This is not mandatory : a driver can still use a read/write structure if it needs to (and eventually a __read_mostly) I made a global stubstitute to change all existing occurences to make them const. This should reduce the possibility of false sharing on SMP, and speedup some socket system calls. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: Add support for SCTP_DELAYED_ACK_TIME socket option.Frank Filz2006-01-03
| | | | | | Signed-off-by: Frank Filz <ffilz@us.ibm.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: Update SCTP_PEER_ADDR_PARAMS socket option to the latest api draft.Frank Filz2006-01-03
| | | | | | | | | | This patch adds support to set/get heartbeat interval, maximum number of retransmissions, pathmtu, sackdelay time for a particular transport/ association/socket as per the latest SCTP sockets api draft11. Signed-off-by: Frank Filz <ffilz@us.ibm.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: Fix sctp to not return erroneous POLLOUT events.Neil Horman2005-12-19
| | | | | | | | | | Make sctp_writeable() use sk_wmem_alloc rather than sk_wmem_queued to determine the sndbuf space available. It also removes all the modifications to sk_wmem_queued as it is not currently used in SCTP. 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>
* [PATCH] Address of void __user * is void __user * *, not void * __user *Al Viro2005-12-15
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [SCTP]: Fix getsockname for sctp when an ipv6 socket accepts a connection fromNeil Horman2005-12-02
| | | | | | | | an ipv4 socket. 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>
* [SCTP]: Return socket errors only if the receive queue is empty.Neil Horman2005-12-02
| | | | | | | | | | This patch fixes an issue where it is possible to get valid data after a ENOTCONN error. It returns socket errors only after data queued on socket receive queue is consumed. 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>
* [SCTP]: Include ulpevents in socket receive buffer accounting.Neil Horman2005-11-11
| | | | | | | | | | | Also introduces a sysctl option to configure the receive buffer accounting policy to be either at socket or association level. Default is all the associations on the same socket share the receive buffer. 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>
* [SCTP]: Remove timeouts[] array from sctp_endpoint.Vladislav Yasevich2005-11-11
| | | | | | | | | | The socket level timeout values are maintained in sctp_sock and association level timeouts are in sctp_association. So there is no need for ep->timeouts. 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>
* [SCTP]: Fix potential NULL pointer dereference in sctp_v4_get_saddrVladislav Yasevich2005-11-11
| | | | | | | | | | | | | | It is possible to get to sctp_v4_get_saddr() without a valid association. This happens when processing OOTB packets and the cached route entry is no longer valid. However, when responding to OOTB packets we already properly set the source address based on the information in the OOTB packet. So, if we we get to sctp_v4_get_saddr() without an association we can simply return. 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>
* [NET]: kfree cleanupJesper Juhl2005-11-08
| | | | | | | | | | | | | | | From: Jesper Juhl <jesper.juhl@gmail.com> This is the net/ part of the big kfree cleanup patch. Remove pointless checks for NULL prior to calling kfree() in net/. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Arnaldo Carvalho de Melo <acme@conectiva.com.br> Acked-by: Marcel Holtmann <marcel@holtmann.org> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: Andrew Morton <akpm@osdl.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/sridhar/lksctp-2.6Arnaldo Carvalho de Melo2005-10-28
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| * [SCTP] Do not allow unprivileged programs initiating new associations onIvan Skytte Jorgensen2005-10-28
| | | | | | | | | | | | | | privileged ports. Signed-off-by: Ivan Skytte Jorgensen <isj-sctp@i1.dk> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
| * [SCTP] Allow SCTP_MAXSEG to revert to default frag point with a '0' value.Ivan Skytte Jorgensen2005-10-28
| | | | | | | | | | Signed-off-by: Ivan Skytte Jorgensen <isj-sctp@i1.dk> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
| * [SCTP] Fix SCTP_SETADAPTION sockopt to use the correct structure.Ivan Skytte Jorgensen2005-10-28
| | | | | | | | | | Signed-off-by: Ivan Skytte Jorgensen <isj-sctp@i1.dk> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
| * [SCTP] Rename SCTP specific control message flags.Ivan Skytte Jorgensen2005-10-28
| | | | | | | | | | | | | | | | Rename SCTP specific control message flags to use SCTP_ prefix rather than MSG_ prefix as per the latest sctp sockets API draft. Signed-off-by: Ivan Skytte Jorgensen <isj-sctp@i1.dk> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
* | [NET]: Wider use of for_each_*cpu()John Hawkes2005-10-25
|/ | | | | | | | | | | | | In 'net' change the explicit use of for-loops and NR_CPUS into the general for_each_cpu() or for_each_online_cpu() constructs, as appropriate. This widens the scope of potential future optimizations of the general constructs, as well as takes advantage of the existing optimizations of first_cpu() and next_cpu(), which is advantageous when the true CPU count is much smaller than NR_CPUS. Signed-off-by: John Hawkes <hawkes@sgi.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PATCH] gfp flags annotations - part 1Al Viro2005-10-08
| | | | | | | | | | | | - 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 sctp_get{pl}addrs() API to work with 32-bit apps on 64-bit kernels.Ivan Skytte Jørgensen2005-10-07
| | | | | | | | | The old socket options are marked with a _OLD suffix so that the existing 32-bit apps on 32-bit kernels do not break. Signed-off-by: Ivan Skytte Jørgensen <isj-sctp@i1.dk> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Replace __in_dev_get with __in_dev_get_rcu/rtnlHerbert Xu2005-10-03
| | | | | | | | | | | | | | | | | | The following patch renames __in_dev_get() to __in_dev_get_rtnl() and introduces __in_dev_get_rcu() to cover the second case. 1) RCU with refcnt should use in_dev_get(). 2) RCU without refcnt should use __in_dev_get_rcu(). 3) All others must hold RTNL and use __in_dev_get_rtnl(). There is one exception in net/ipv4/route.c which is in fact a pre-existing race condition. I've marked it as such so that we remember to fix it. This patch is based on suggestions and prior work by Suzanne Wood and Paul McKenney. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: Fix SCTP_SHUTDOWN notifications.Sridhar Samudrala2005-09-23
| | | | | | | | | | | | Fix to allow SCTP_SHUTDOWN notifications to be received on 1-1 style SCTP SOCK_STREAM sockets. Add SCTP_SHUTDOWN notification to the receive queue before updating the state of the association. Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: net/sctp/sysctl.c should #include <net/sctp/sctp.h>Adrian Bunk2005-09-05
| | | | | | | | | | Every file should #include the header files containing the prototypes of it's global functions. sctp.h contains the prototypes of sctp_sysctl_{,un}register(). Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* [CRYPTO]: crypto_free_tfm() callers no longer need to check for NULLJesper Juhl2005-09-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Since the patch to add a NULL short-circuit to crypto_free_tfm() went in, there's no longer any need for callers of that function to check for NULL. This patch removes the redundant NULL checks and also a few similar checks for NULL before calls to kfree() that I ran into while doing the crypto_free_tfm bits. I've succesfuly compile tested this patch, and a kernel with the patch applied boots and runs just fine. When I posted the patch to LKML (and other lists/people on Cc) it drew the following comments : J. Bruce Fields commented "I've no problem with the auth_gss or nfsv4 bits.--b." Sridhar Samudrala said "sctp change looks fine." Herbert Xu signed off on the patch. So, I guess this is ready to be dropped into -mm and eventually mainline. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: use __read_mostly on kmem_cache_t , DEFINE_SNMP_STAT pointersEric Dumazet2005-08-29
| | | | | | | | | | | | | This patch puts mostly read only data in the right section (read_mostly), to help sharing of these data between CPUS without memory ping pongs. On one of my production machine, tcp_statistics was sitting in a heavily modified cache line, so *every* SNMP update had to force a reload. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Store skb->timestamp as offset to a base timestampPatrick McHardy2005-08-29
| | | | | | | Reduces skb size by 8 bytes on 64-bit. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET]: Make inet_create try to load protocol modulesArnaldo Carvalho de Melo2005-08-29
| | | | | | | | Syntax is net-pf-PROTOCOL_FAMILY-PROTOCOL-SOCK_TYPE and if this fails net-pf-PROTOCOL_FAMILY-PROTOCOL. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Move the tcp sock states to net/tcp_states.hArnaldo Carvalho de Melo2005-08-29
| | | | | | | | | | | Lots of places just needs the states, not even linux/tcp.h, where this enum was, needs it. This speeds up development of the refactorings as less sources are rebuilt when things get moved from net/tcp.h. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Cleanup INET_REFCNT_DEBUG codeArnaldo Carvalho de Melo2005-08-29
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Kill skb->listDavid S. Miller2005-08-29
| | | | | | | | | | | | | | Remove the "list" member of struct sk_buff, as it is entirely redundant. All SKB list removal callers know which list the SKB is on, so storing this in sk_buff does nothing other than taking up some space. Two tricky bits were SCTP, which I took care of, and two ATM drivers which Francois Romieu <romieu@fr.zoreil.com> fixed up. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
* [SCTP]: Add SENTINEL to SCTP MIB statsVlad Yasevich2005-08-23
| | | | | | | | | Add SNMP_MIB_SENTINEL to the definition of the sctp_snmp_list so that the output routine in proc correctly terminates. This was causing some problems running on ia64 systems. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: Fix potential null pointer dereference while handling an icmp errorSridhar Samudrala2005-07-18
| | | | | Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: Audit return code of create_proc_*Christophe Lucas2005-07-18
| | | | | | | | | | From: Christophe Lucas <clucas@rotomalug.org> Audit return of create_proc_* functions. Signed-off-by: Christophe Lucas <clucas@rotomalug.org> Signed-off-by: Domen Puncer <domen@coderock.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: __nocast annotationsAlexey Dobriyan2005-07-11
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: Use struct list_head for chunk lists, not sk_buff_head.David S. Miller2005-07-09
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP] Make init & delayed sack timeouts configurable by user.Vlad Yasevich2005-06-28
| | | | | | 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>
* [PATCH] make various thing staticAdrian Bunk2005-06-24
| | | | | | | | Another rollup of patches which give various symbols static scope Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [SCTP] sctp_connectx() API supportFrank Filz2005-06-20
| | | | | | | | | 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>
* [SCTP]: Replace spin_lock_irqsave with spin_lock_bhHerbert Xu2005-06-19
| | | | | | | | | | | | | | | This patch replaces the spin_lock_irqsave call on the receive queue lock in SCTP with spin_lock_bh. Despite the proliferation of spin_lock_irqsave calls in this stack, it is only entered from the IPv4/IPv6 stack and user space. That is, it is never entered from hardirq context. The call in question is only called from recvmsg which means that IRQs aren't disabled. Therefore it is safe to replace it with spin_lock_bh. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP] Fix incorrect setting of sk_bound_dev_if when binding/sending to a ipv6Sridhar Samudrala2005-06-13
| | | | | | | | link local address. Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP] Add support for ip_nonlocal_bind sysctl & IP_FREEBIND socket optionNeil Horman2005-06-13
| | | | | | Signed-off-by: Neil Horman <nhorman@redhat.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP] Extend the info exported via /proc/net/sctp to support netstat for SCTP.Vladislav Yasevich2005-06-13
| | | | | | 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>
* [SCTP] Support SO_BINDTODEVICE socket option on incoming packets.Neil Horman2005-06-13
| | | | | | Signed-off-by: Neil Horman <nhorman@redhat.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: Fix bug in restart of peeled-off associations.Vladislav Yasevich2005-06-13
| | | | | | 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>
* [SCTP] Fix SCTP sendbuffer accouting.Neil Horman2005-04-28
| | | | | | | | | | | | - Include chunk and skb sizes in sendbuffer accounting. - 2 policies are supported. 0: per socket accouting, 1: per association accounting DaveM: I've made the default per-socket. Signed-off-by: Neil Horman <nhorman@redhat.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP] Replace incorrect use of dev_alloc_skb with alloc_skb in ↵Sridhar Samudrala2005-04-28
| | | | | | | sctp_packet_transmit(). Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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