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* [SCTP]: Fix state table entries for chunks received in CLOSED state.Sridhar Samudrala2006-05-061-5/+5
| | | | | | | 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>
* [SCTP]: Fix panic's when receiving fragmented SCTP control chunks.Sridhar Samudrala2006-05-061-5/+8
| | | | | | | | 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>
* [SCTP]: Prevent possible infinite recursion with multiple bundled DATA.Vladislav Yasevich2006-05-061-2/+25
| | | | | | | | | | | | | | | | | | | | 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>
* [SCTP]: Allow spillover of receive buffer to avoid deadlock.Neil Horman2006-05-062-10/+37
| | | | | | | | | | | | | | | | | 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>
* [PATCH] for_each_possible_cpu: network codesKAMEZAWA Hiroyuki2006-04-111-1/+1
| | | | | | | | | | | | | | | | | 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>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2006-03-251-8/+4
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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
| * [SCTP]: Fix up sctp_rcv return valueHerbert Xu2006-03-251-8/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | [PATCH] POLLRDHUP/EPOLLRDHUP handling for half-closed devices notificationsDavide Libenzi2006-03-251-0/+2
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* [NET]: Identation & other cleanups related to compat_[gs]etsockopt csetArnaldo Carvalho de Melo2006-03-212-93/+93
| | | | | | | | 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>
* [NET]: {get|set}sockopt compatibility layerDmitry Mishin2006-03-212-0/+16
| | | | | | | | | 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>
* [SCTP]: Fix 'fast retransmit' to send a TSN only once.Vlad Yasevich2006-02-032-6/+8
| | | | | | | | | | | | 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>
* [SCTP]: heartbeats exceed maximum retransmssion limitVlad Yasevich2006-01-311-1/+1
| | | | | | | | | | | | 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>
* [SCTP]: correct the number of INIT retransmissionsVlad Yasevich2006-01-312-4/+4
| | | | | | | | | | | 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>
* [SCTP]: Fix sctp_rcv_ootb() to handle the last chunk of a packet correctly.Tsutomu Fujii2006-01-172-4/+11
| | | | | Signed-off-by: Tsutomu Fujii <t-fujii@nb.jp.nec.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
* [SCTP]: Fix couple of races between sctp_peeloff() and sctp_rcv().Sridhar Samudrala2006-01-172-1/+38
| | | | | | | | | | 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>
* [SCTP]: Fix machine check/connection hang on IA64.Vlad Yasevich2006-01-171-1/+1
| | | | | | | | | | | | | | | | | | | | | 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>
* [SCTP]: Fix bad sysctl formatting of SCTP timeout values on 64-bit m/cs.Vlad Yasevich2006-01-174-9/+6
| | | | | | | | | 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>
* [SCTP]: Fix sctp_assoc_seq_show() panics on big-endian systems.Vlad Yasevich2006-01-171-2/+2
| | | | | | | | | | | | This patch corrects the panic by casting the argument to the pointer of correct size. On big-endian systems we ended up loading only 32 bits of data because we are treating the pointer as an int*. By treating this pointer as loff_t*, we'll load the full 64 bits and then let regular integer demotion take place which will give us the correct value. Signed-off-by: Vlad Yaseivch <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
* [SCTP]: sctp doesn't show all associations/endpoints in /procVlad Yasevich2006-01-171-18/+10
| | | | | | | | | | | | | | | | | | | | When creating a very large number of associations (and endpoints), /proc/assocs and /proc/eps will not show all of them. As a result netstat will not show all of the either. This is particularly evident when creating 1000+ associations (or endpoints). As an example with 1500 tcp style associations over loopback, netstat showed 1420 on my system instead of 3000. The reason for this is that the seq_operations start method is invoked multiple times bacause of the amount of data that is provided. The start method always increments the position parameter and since we use the position as the hash bucket id, we end up skipping hash buckets. This patch corrects this situation and get's rid of the silly hash-1 decrement. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
* [SCTP]: Fix sctp_cookie alignment in the packet.Vlad Yasevich2006-01-171-2/+12
| | | | | | | | | | | | | | | | | | | | On 64 bit architectures, sctp_cookie sent as part of INIT-ACK is not aligned on a 64 bit boundry and thus causes unaligned access exceptions. The layout of the cookie prameter is this: |<----- Parameter Header --------------------|<--- Cookie DATA -------- ----------------------------------------------------------------------- | param type (16 bits) | param len (16 bits) | sig [32 bytes] | cookie.. ----------------------------------------------------------------------- The cookie data portion contains 64 bit values on 64 bit architechtures (timeval) that fall on a 32 bit alignment boundry when used as part of the on-wire format, but align correctly when used in internal structures. This patch explicitely pads the on-wire format so that it is properly aligned. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
* [SCTP]: Fix potential race condition between sctp_close() and sctp_rcv().Sridhar Samudrala2006-01-172-10/+23
| | | | | | | | | Do not release the reference to association/endpoint if an incoming skb is added to backlog. Instead release it after the chunk is processed in sctp_backlog_rcv(). Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
* [NET]: Use NIP6_FMT in kernel.hJoe Perches2006-01-132-17/+11
| | | | | | | | | | | | | | | | | | | 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] capable/capability.h (net/)Randy Dunlap2006-01-121-0/+1
| | | | | | | | net: Use <linux/capability.h> where capable() is used. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [NET]: Remove more unneeded typecasts on *malloc()Kris Katterjohn2006-01-122-3/+3
| | | | | | | | | 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 Katterjohn2006-01-091-2/+1
| | | | | | | 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 McHardy2006-01-071-0/+1
| | | | | | | | | 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 McHardy2006-01-071-1/+1
| | | | | | | | | | 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 Melo2006-01-031-0/+1
| | | | | | | | | | | 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 Dumazet2006-01-032-2/+2
| | | | | | | | | | | | | | | | | | | | | | 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 Filz2006-01-031-0/+184
| | | | | | 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 Filz2006-01-037-200/+523
| | | | | | | | | | 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 Horman2005-12-191-11/+3
| | | | | | | | | | 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 Viro2005-12-151-1/+1
| | | | | 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 Horman2005-12-031-1/+2
| | | | | | | | 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 Horman2005-12-031-5/+5
| | | | | | | | | | 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 Horman2005-11-128-39/+54
| | | | | | | | | | | 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 Yasevich2005-11-124-29/+25
| | | | | | | | | | 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 Yasevich2005-11-121-0/+3
| | | | | | | | | | | | | | 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 Juhl2005-11-082-7/+3
| | | | | | | | | | | | | | | 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 Melo2005-10-293-38/+60
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| * [SCTP] Do not allow unprivileged programs initiating new associations onIvan Skytte Jorgensen2005-10-291-0/+26
| | | | | | | | | | | | | | 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 Jorgensen2005-10-291-7/+5
| | | | | | | | | | 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 Jorgensen2005-10-291-11/+9
| | | | | | | | | | 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 Jorgensen2005-10-293-20/+20
| | | | | | | | | | | | | | | | 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 Hawkes2005-10-261-3/+1
|/ | | | | | | | | | | | | 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 Viro2005-10-0911-45/+44
| | | | | | | | | | | | - 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 Jørgensen2005-10-071-25/+227
| | | | | | | | | 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 Xu2005-10-031-1/+1
| | | | | | | | | | | | | | | | | | 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 Samudrala2005-09-231-11/+11
| | | | | | | | | | | | 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 Bunk2005-09-061-0/+1
| | | | | | | | | | 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>