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2008-07-25net: convert BUG_TRAP to generic WARN_ONIlpo Järvinen
Removes legacy reinvent-the-wheel type thing. The generic machinery integrates much better to automated debugging aids such as kerneloops.org (and others), and is unambiguous due to better naming. Non-intuively BUG_TRAP() is actually equal to WARN_ON() rather than BUG_ON() though some might actually be promoted to BUG_ON() but I left that to future. I could make at least one BUILD_BUG_ON conversion. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-25ipsec: ipcomp - Decompress into frags if necessaryHerbert Xu
When decompressing extremely large packets allocating them through kmalloc is prone to failure. Therefore it's better to use page frags instead. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-25ipsec: ipcomp - Merge IPComp implementationsHerbert Xu
This patch merges the IPv4/IPv6 IPComp implementations since most of the code is identical. As a result future enhancements will no longer need to be duplicated. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-25pkt_sched: Fix locking in shutdown_scheduler_queue()David S. Miller
Qdisc locks need to be held with BH disabled. Tested-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-23pkt_sched: sch_sfq: dump a real number of flowsJarek Poplawski
Dump the "flows" number according to the number of active flows instead of repeating the "limit". Reported-by: Denys Fedoryshchenko <denys@visp.net.lb> Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-23netfilter: make security table depend on NETFILTER_ADVANCEDPatrick McHardy
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-23tcp: Clear probes_out more aggressively in tcp_ack().David S. Miller
This is based upon an excellent bug report from Eric Dumazet. tcp_ack() should clear ->icsk_probes_out even if there are packets outstanding. Otherwise if we get a sequence of ACKs while we do have packets outstanding over and over again, we'll never clear the probes_out value and eventually think the connection is too sick and we'll reset it. This appears to be some "optimization" added to tcp_ack() in the 2.4.x timeframe. In 2.2.x, probes_out is pretty much always cleared by tcp_ack(). Here is Eric's original report: ---------------------------------------- Apparently, we can in some situations reset TCP connections in a couple of seconds when some frames are lost. In order to reproduce the problem, please try the following program on linux-2.6.25.* Setup some iptables rules to allow two frames per second sent on loopback interface to tcp destination port 12000 iptables -N SLOWLO iptables -A SLOWLO -m hashlimit --hashlimit 2 --hashlimit-burst 1 --hashlimit-mode dstip --hashlimit-name slow2 -j ACCEPT iptables -A SLOWLO -j DROP iptables -A OUTPUT -o lo -p tcp --dport 12000 -j SLOWLO Then run the attached program and see the output : # ./loop State Recv-Q Send-Q Local Address:Port Peer Address:Port ESTAB 0 40 127.0.0.1:54455 127.0.0.1:12000 timer:(persist,200ms,1) State Recv-Q Send-Q Local Address:Port Peer Address:Port ESTAB 0 40 127.0.0.1:54455 127.0.0.1:12000 timer:(persist,200ms,3) State Recv-Q Send-Q Local Address:Port Peer Address:Port ESTAB 0 40 127.0.0.1:54455 127.0.0.1:12000 timer:(persist,200ms,5) State Recv-Q Send-Q Local Address:Port Peer Address:Port ESTAB 0 40 127.0.0.1:54455 127.0.0.1:12000 timer:(persist,200ms,7) State Recv-Q Send-Q Local Address:Port Peer Address:Port ESTAB 0 40 127.0.0.1:54455 127.0.0.1:12000 timer:(persist,200ms,9) State Recv-Q Send-Q Local Address:Port Peer Address:Port ESTAB 0 40 127.0.0.1:54455 127.0.0.1:12000 timer:(persist,200ms,11) State Recv-Q Send-Q Local Address:Port Peer Address:Port ESTAB 0 40 127.0.0.1:54455 127.0.0.1:12000 timer:(persist,201ms,13) State Recv-Q Send-Q Local Address:Port Peer Address:Port ESTAB 0 40 127.0.0.1:54455 127.0.0.1:12000 timer:(persist,188ms,15) write(): Connection timed out wrote 890 bytes but was interrupted after 9 seconds ESTAB 0 0 127.0.0.1:12000 127.0.0.1:54455 Exiting read() because no data available (4000 ms timeout). read 860 bytes While this tcp session makes progress (sending frames with 50 bytes of payload, every 500ms), linux tcp stack decides to reset it, when tcp_retries 2 is reached (default value : 15) tcpdump : 15:30:28.856695 IP 127.0.0.1.56554 > 127.0.0.1.12000: S 33788768:33788768(0) win 32792 <mss 16396,nop,nop,sackOK,nop,wscale 7> 15:30:28.856711 IP 127.0.0.1.12000 > 127.0.0.1.56554: S 33899253:33899253(0) ack 33788769 win 32792 <mss 16396,nop,nop,sackOK,nop,wscale 7> 15:30:29.356947 IP 127.0.0.1.56554 > 127.0.0.1.12000: P 1:61(60) ack 1 win 257 15:30:29.356966 IP 127.0.0.1.12000 > 127.0.0.1.56554: . ack 61 win 257 15:30:29.866415 IP 127.0.0.1.56554 > 127.0.0.1.12000: P 61:111(50) ack 1 win 257 15:30:29.866427 IP 127.0.0.1.12000 > 127.0.0.1.56554: . ack 111 win 257 15:30:30.366516 IP 127.0.0.1.56554 > 127.0.0.1.12000: P 111:161(50) ack 1 win 257 15:30:30.366527 IP 127.0.0.1.12000 > 127.0.0.1.56554: . ack 161 win 257 15:30:30.876196 IP 127.0.0.1.56554 > 127.0.0.1.12000: P 161:211(50) ack 1 win 257 15:30:30.876207 IP 127.0.0.1.12000 > 127.0.0.1.56554: . ack 211 win 257 15:30:31.376282 IP 127.0.0.1.56554 > 127.0.0.1.12000: P 211:261(50) ack 1 win 257 15:30:31.376290 IP 127.0.0.1.12000 > 127.0.0.1.56554: . ack 261 win 257 15:30:31.885619 IP 127.0.0.1.56554 > 127.0.0.1.12000: P 261:311(50) ack 1 win 257 15:30:31.885631 IP 127.0.0.1.12000 > 127.0.0.1.56554: . ack 311 win 257 15:30:32.385705 IP 127.0.0.1.56554 > 127.0.0.1.12000: P 311:361(50) ack 1 win 257 15:30:32.385715 IP 127.0.0.1.12000 > 127.0.0.1.56554: . ack 361 win 257 15:30:32.895249 IP 127.0.0.1.56554 > 127.0.0.1.12000: P 361:411(50) ack 1 win 257 15:30:32.895266 IP 127.0.0.1.12000 > 127.0.0.1.56554: . ack 411 win 257 15:30:33.395341 IP 127.0.0.1.56554 > 127.0.0.1.12000: P 411:461(50) ack 1 win 257 15:30:33.395351 IP 127.0.0.1.12000 > 127.0.0.1.56554: . ack 461 win 257 15:30:33.918085 IP 127.0.0.1.56554 > 127.0.0.1.12000: P 461:511(50) ack 1 win 257 15:30:33.918096 IP 127.0.0.1.12000 > 127.0.0.1.56554: . ack 511 win 257 15:30:34.418163 IP 127.0.0.1.56554 > 127.0.0.1.12000: P 511:561(50) ack 1 win 257 15:30:34.418172 IP 127.0.0.1.12000 > 127.0.0.1.56554: . ack 561 win 257 15:30:34.927685 IP 127.0.0.1.56554 > 127.0.0.1.12000: P 561:611(50) ack 1 win 257 15:30:34.927698 IP 127.0.0.1.12000 > 127.0.0.1.56554: . ack 611 win 257 15:30:35.427757 IP 127.0.0.1.56554 > 127.0.0.1.12000: P 611:661(50) ack 1 win 257 15:30:35.427766 IP 127.0.0.1.12000 > 127.0.0.1.56554: . ack 661 win 257 15:30:35.937359 IP 127.0.0.1.56554 > 127.0.0.1.12000: P 661:711(50) ack 1 win 257 15:30:35.937376 IP 127.0.0.1.12000 > 127.0.0.1.56554: . ack 711 win 257 15:30:36.437451 IP 127.0.0.1.56554 > 127.0.0.1.12000: P 711:761(50) ack 1 win 257 15:30:36.437464 IP 127.0.0.1.12000 > 127.0.0.1.56554: . ack 761 win 257 15:30:36.947022 IP 127.0.0.1.56554 > 127.0.0.1.12000: P 761:811(50) ack 1 win 257 15:30:36.947039 IP 127.0.0.1.12000 > 127.0.0.1.56554: . ack 811 win 257 15:30:37.447135 IP 127.0.0.1.56554 > 127.0.0.1.12000: P 811:861(50) ack 1 win 257 15:30:37.447203 IP 127.0.0.1.12000 > 127.0.0.1.56554: . ack 861 win 257 15:30:41.448171 IP 127.0.0.1.12000 > 127.0.0.1.56554: F 1:1(0) ack 861 win 257 15:30:41.448189 IP 127.0.0.1.56554 > 127.0.0.1.12000: R 33789629:33789629(0) win 0 Source of program : /* * small producer/consumer program. * setup a listener on 127.0.0.1:12000 * Forks a child * child connect to 127.0.0.1, and sends 10 bytes on this tcp socket every 100 ms * Father accepts connection, and read all data */ #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include <unistd.h> #include <stdio.h> #include <time.h> #include <sys/poll.h> int port = 12000; char buffer[4096]; int main(int argc, char *argv[]) { int lfd = socket(AF_INET, SOCK_STREAM, 0); struct sockaddr_in socket_address; time_t t0, t1; int on = 1, sfd, res; unsigned long total = 0; socklen_t alen = sizeof(socket_address); pid_t pid; time(&t0); socket_address.sin_family = AF_INET; socket_address.sin_port = htons(port); socket_address.sin_addr.s_addr = htonl(INADDR_LOOPBACK); if (lfd == -1) { perror("socket()"); return 1; } setsockopt(lfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(int)); if (bind(lfd, (struct sockaddr *)&socket_address, sizeof(socket_address)) == -1) { perror("bind"); close(lfd); return 1; } if (listen(lfd, 1) == -1) { perror("listen()"); close(lfd); return 1; } pid = fork(); if (pid == 0) { int i, cfd = socket(AF_INET, SOCK_STREAM, 0); close(lfd); if (connect(cfd, (struct sockaddr *)&socket_address, sizeof(socket_address)) == -1) { perror("connect()"); return 1; } for (i = 0 ; ;) { res = write(cfd, "blablabla\n", 10); if (res > 0) total += res; else if (res == -1) { perror("write()"); break; } else break; usleep(100000); if (++i == 10) { system("ss -on dst 127.0.0.1:12000"); i = 0; } } time(&t1); fprintf(stderr, "wrote %lu bytes but was interrupted after %g seconds\n", total, difftime(t1, t0)); system("ss -on | grep 127.0.0.1:12000"); close(cfd); return 0; } sfd = accept(lfd, (struct sockaddr *)&socket_address, &alen); if (sfd == -1) { perror("accept"); return 1; } close(lfd); while (1) { struct pollfd pfd[1]; pfd[0].fd = sfd; pfd[0].events = POLLIN; if (poll(pfd, 1, 4000) == 0) { fprintf(stderr, "Exiting read() because no data available (4000 ms timeout).\n"); break; } res = read(sfd, buffer, sizeof(buffer)); if (res > 0) total += res; else if (res == 0) break; else perror("read()"); } fprintf(stderr, "read %lu bytes\n", total); close(sfd); return 0; } ---------------------------------------- Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-23net: Update entry in af_family_clock_key_stringsOliver Hartkopp
In the merge phase of the CAN subsystem the af_family_clock_key_strings[] have been added to sock.c in commit 443aef0eddfa44c158d1b94ebb431a70638fcab4 (lockdep: fixup sk_callback_lock annotation). This trivial patch adds the missing name for address family 29 (AF_CAN). Signed-off-by: Oliver Hartkopp <oliver@hartkopp.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-23netdev: Remove warning from __netif_schedule().David S. Miller
It isn't helping anything and we aren't going to be able to change all the drivers that do queue wakeups in strange situations. Just letting a noop_qdisc get scheduled will work because when qdisc_run() executes via net_tx_work() it will simply find no packets pending when it makes the ->dequeue() call in qdisc_restart. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-22Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (82 commits) ipw2200: Call netif_*_queue() interfaces properly. netxen: Needs to include linux/vmalloc.h [netdrvr] atl1d: fix !CONFIG_PM build r6040: rework init_one error handling r6040: bump release number to 0.18 r6040: handle RX fifo full and no descriptor interrupts r6040: change the default waiting time r6040: use definitions for magic values in descriptor status r6040: completely rework the RX path r6040: call napi_disable when puting down the interface and set lp->dev accordingly. mv643xx_eth: fix NETPOLL build r6040: rework the RX buffers allocation routine r6040: fix scheduling while atomic in r6040_tx_timeout r6040: fix null pointer access and tx timeouts r6040: prefix all functions with r6040 rndis_host: support WM6 devices as modems at91_ether: use netstats in net_device structure sfc: Create one RX queue and interrupt per CPU package by default sfc: Use a separate workqueue for resets sfc: I2C adapter initialisation fixes ...
2008-07-22ipv6: icmp6_dst_gc return changeStephen Hemminger
Change icmp6_dst_gc to return the one value the caller cares about rather than using call by reference. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-22ipv6: use kcallocStephen Hemminger
Th fib_table_hash is an array, so use kcalloc. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-22ipv6: use spin_trylock_bhStephen Hemminger
Now there is spin_trylock_bh, use it rather than open coding. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-22ipv6: use round_jiffiesStephen Hemminger
This timer normally happens once a minute, there is no need to cause an early wakeup for it, so align it to next second boundary to safe power. It can't be deferred because then it could take too long on cleanup or DoS. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-22netns: dont alloc ipv6 fib timer listStephen Hemminger
FIB timer list is a trivial size structure, avoid indirection and just put it in existing ns. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-22ipv6: make struct ipv6_devconf staticAdrian Bunk
struct ipv6_devconf can now become static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-22sctp: remove sctp_assoc_proc_exit()Adrian Bunk
Commit 20c2c1fd6c842caf70dcb1d94b9d58861949fd3d (sctp: add sctp/remaddr table to complete RFC remote address table OID) added an unused sctp_assoc_proc_exit() function that seems to have been unintentionally created when copying the assocs code. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-22sctp: make sctp_outq_flush() staticAdrian Bunk
sctp_outq_flush() can now become static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-22pkt_sched: make qdisc_class_hash_alloc() staticAdrian Bunk
This patch makes the needlessly global qdisc_class_hash_alloc() static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-22netdev: Handle ->addr_list_lock just like ->_xmit_lock for lockdep.David S. Miller
The new address list lock needs to handle the same device layering issues that the _xmit_lock one does. This integrates work done by Patrick McHardy. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-22net: Fix build failure with 'make mandocs'.Dave Jones
The function header comments have to go with the functions they are documenting, or things go horribly wrong when we try to process them with the docbook tools. Warning(include/linux/netdevice.h:1006): No description found for parameter 'dev_queue' Warning(include/linux/netdevice.h:1033): No description found for parameter 'dev_queue' Warning(include/linux/netdevice.h:1067): No description found for parameter 'dev_queue' Warning(include/linux/netdevice.h:1093): No description found for parameter 'dev_queue' Warning(include/linux/netdevice.h:1474): No description found for parameter 'txq' Error(net/core/dev.c:1674): cannot understand prototype: 'u32 simple_tx_hashrnd; ' Signed-off-by: Dave Jones <davej@redhat.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-21bluetooth: remove improper bluetooth class symlinks.Greg Kroah-Hartman
Don't create symlinks in a class to a device that is not owned by the class. If the bluetooth subsystem really wants to point to all of the devices it controls, it needs to create real devices, not fake symlinks. Cc: Maxim Krasnyansky <maxk@qualcomm.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21tcp: Fix bitmask test in tcp_syn_options()David S. Miller
As reported by Alexey Dobriyan: CHECK net/ipv4/tcp_output.c net/ipv4/tcp_output.c:475:7: warning: dubious: !x & y And sparse is damn right! if (unlikely(!OPTION_TS & opts->options)) ^^^ size += TCPOLEN_SACKPERM_ALIGNED; OPTION_TS is (1 << 1), so condition will never trigger. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-21udplite: Protection against coverage value wrap-aroundGerrit Renker
This patch clamps the cscov setsockopt values to a maximum of 0xFFFF. Setsockopt values greater than 0xffff can cause an unwanted wrap-around. Further, IPv6 jumbograms are not supported (RFC 3838, 3.5), so that values greater than 0xffff are not even useful. Further changes: fixed a typo in the documentation. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-21net: Print the module name as part of the watchdog messageArjan van de Ven
As suggested by Dave: This patch adds a function to get the driver name from a struct net_device, and consequently uses this in the watchdog timeout handler to print as part of the message. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-21net: use kcalloc in netdev_queue allocStephen Hemminger
Minor nit, use size_t for allocation size and kcalloc to allocate an array. Probably makes no actual code difference. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-21ipv6: use timer pendingStephen Hemminger
This fixes the bridge reference count problem and cleanups ipv6 FIB timer management. Don't use expires field, because it is not a proper way to test, instead use timer_pending(). Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-21netfilter: nf_conntrack_sctp: fix sparse warningsPatrick McHardy
Introduced by a258860e (netfilter: ctnetlink: add full support for SCTP to ctnetlink): net/netfilter/nf_conntrack_proto_sctp.c:483:2: warning: cast from restricted type net/netfilter/nf_conntrack_proto_sctp.c:483:2: warning: incorrect type in argument 1 (different base types) net/netfilter/nf_conntrack_proto_sctp.c:483:2: expected unsigned int [unsigned] [usertype] x net/netfilter/nf_conntrack_proto_sctp.c:483:2: got restricted unsigned int const <noident> net/netfilter/nf_conntrack_proto_sctp.c:483:2: warning: cast from restricted type net/netfilter/nf_conntrack_proto_sctp.c:483:2: warning: cast from restricted type net/netfilter/nf_conntrack_proto_sctp.c:483:2: warning: cast from restricted type net/netfilter/nf_conntrack_proto_sctp.c:483:2: warning: cast from restricted type net/netfilter/nf_conntrack_proto_sctp.c:487:2: warning: cast from restricted type net/netfilter/nf_conntrack_proto_sctp.c:487:2: warning: incorrect type in argument 1 (different base types) net/netfilter/nf_conntrack_proto_sctp.c:487:2: expected unsigned int [unsigned] [usertype] x net/netfilter/nf_conntrack_proto_sctp.c:487:2: got restricted unsigned int const <noident> net/netfilter/nf_conntrack_proto_sctp.c:487:2: warning: cast from restricted type net/netfilter/nf_conntrack_proto_sctp.c:487:2: warning: cast from restricted type net/netfilter/nf_conntrack_proto_sctp.c:487:2: warning: cast from restricted type net/netfilter/nf_conntrack_proto_sctp.c:487:2: warning: cast from restricted type net/netfilter/nf_conntrack_proto_sctp.c:532:42: warning: incorrect type in assignment (different base types) net/netfilter/nf_conntrack_proto_sctp.c:532:42: expected restricted unsigned int <noident> net/netfilter/nf_conntrack_proto_sctp.c:532:42: got unsigned int net/netfilter/nf_conntrack_proto_sctp.c:534:39: warning: incorrect type in assignment (different base types) net/netfilter/nf_conntrack_proto_sctp.c:534:39: expected restricted unsigned int <noident> net/netfilter/nf_conntrack_proto_sctp.c:534:39: got unsigned int Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-21netfilter: nf_nat_sip: c= is optional for sessionHerbert Xu
According to RFC2327, the connection information is optional in the session description since it can be specified in the media description instead. My provider does exactly that and does not provide any connection information in the session description. As a result the new kernel drops all invite responses. This patch makes it optional as documented. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-21netfilter: xt_TCPMSS: collapse tcpmss_reverse_mtu{4,6} into one functionJan Engelhardt
Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-21netfilter: nfnetlink_log: send complete hardware headerEric Leblond
This patch adds some fields to NFLOG to be able to send the complete hardware header with all necessary informations. It sends to userspace: * the type of hardware link * the lenght of hardware header * the hardware header Signed-off-by: Eric Leblond <eric@inl.fr> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-21netfilter: xt_time: fix time's time_mt()'s use of do_div()David Howells
Fix netfilter xt_time's time_mt()'s use of do_div() on an s64 by using div_s64() instead. This was introduced by patch ee4411a1b1e0b679c99686629b5eab5a072ce49f ("[NETFILTER]: x_tables: add xt_time match"). Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-21netfilter: accounting rework: ct_extend + 64bit counters (v4)Krzysztof Piotr Oledzki
Initially netfilter has had 64bit counters for conntrack-based accounting, but it was changed in 2.6.14 to save memory. Unfortunately in-kernel 64bit counters are still required, for example for "connbytes" extension. However, 64bit counters waste a lot of memory and it was not possible to enable/disable it runtime. This patch: - reimplements accounting with respect to the extension infrastructure, - makes one global version of seq_print_acct() instead of two seq_print_counters(), - makes it possible to enable it at boot time (for CONFIG_SYSCTL/CONFIG_SYSFS=n), - makes it possible to enable/disable it at runtime by sysctl or sysfs, - extends counters from 32bit to 64bit, - renames ip_conntrack_counter -> nf_conn_counter, - enables accounting code unconditionally (no longer depends on CONFIG_NF_CT_ACCT), - set initial accounting enable state based on CONFIG_NF_CT_ACCT - removes buggy IPCT_COUNTER_FILLING event handling. If accounting is enabled newly created connections get additional acct extend. Old connections are not changed as it is not possible to add a ct_extend area to confirmed conntrack. Accounting is performed for all connections with acct extend regardless of a current state of "net.netfilter.nf_conntrack_acct". Signed-off-by: Krzysztof Piotr Oledzki <ole@ans.pl> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-21netfilter: nf_nat_core: eliminate useless find_appropriate_src for ↵Changli Gao
IP_NAT_RANGE_PROTO_RANDOM Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-21Revert "pkt_sched: Make default qdisc nonshared-multiqueue safe."David S. Miller
This reverts commit a0c80b80e0fb48129e4e9d6a9ede914f9ff1850d. After discussions with Jamal and Herbert on netdev, we should provide at least minimal prioritization at the qdisc level even in multiqueue situations. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-21net: In __netif_schedule() use WARN_ON instead of BUG_ONLinus Torvalds
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-21net: Improve simple_tx_hash().David S. Miller
Based upon feedback from Eric Dumazet and Andi Kleen. Cure several deficiencies in simple_tx_hash() by using jhash + reciprocol multiply. 1) Eliminates expensive modulus operation. 2) Makes hash less attackable by using random seed. 3) Eliminates endianness hash distribution issues. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-21pkt_sched: Remove unused variable skb in dev_deactivate_queue function.Daniel Lezcano
Removed unused variable 'skb' in the dev_deactivate_queue function Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-20Merge branch 'for-2.6.27' of git://linux-nfs.org/~bfields/linuxLinus Torvalds
* 'for-2.6.27' of git://linux-nfs.org/~bfields/linux: (51 commits) nfsd: nfs4xdr.c do-while is not a compound statement nfsd: Use C99 initializers in fs/nfsd/nfs4xdr.c lockd: Pass "struct sockaddr *" to new failover-by-IP function lockd: get host reference in nlmsvc_create_block() instead of callers lockd: minor svclock.c style fixes lockd: eliminate duplicate nlmsvc_lookup_host call from nlmsvc_lock lockd: eliminate duplicate nlmsvc_lookup_host call from nlmsvc_testlock lockd: nlm_release_host() checks for NULL, caller needn't file lock: reorder struct file_lock to save space on 64 bit builds nfsd: take file and mnt write in nfs4_upgrade_open nfsd: document open share bit tracking nfsd: tabulate nfs4 xdr encoding functions nfsd: dprint operation names svcrdma: Change WR context get/put to use the kmem cache svcrdma: Create a kmem cache for the WR contexts svcrdma: Add flush_scheduled_work to module exit function svcrdma: Limit ORD based on client's advertised IRD svcrdma: Remove unused wait q from svcrdma_xprt structure svcrdma: Remove unneeded spin locks from __svc_rdma_free svcrdma: Add dma map count and WARN_ON ...
2008-07-20ipv6: Fix warning in addrconf code.David Miller
Reported by Linus. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-20Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: pkt_sched: Fix build with NET_SCHED disabled.
2008-07-20pkt_sched: Fix build with NET_SCHED disabled.David S. Miller
The stab bits can't be referenced uniless the full packet scheduler layer is enabled. Reported by Stephen Rothwell. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-20Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (1232 commits) iucv: Fix bad merging. net_sched: Add size table for qdiscs net_sched: Add accessor function for packet length for qdiscs net_sched: Add qdisc_enqueue wrapper highmem: Export totalhigh_pages. ipv6 mcast: Omit redundant address family checks in ip6_mc_source(). net: Use standard structures for generic socket address structures. ipv6 netns: Make several "global" sysctl variables namespace aware. netns: Use net_eq() to compare net-namespaces for optimization. ipv6: remove unused macros from net/ipv6.h ipv6: remove unused parameter from ip6_ra_control tcp: fix kernel panic with listening_get_next tcp: Remove redundant checks when setting eff_sacks tcp: options clean up tcp: Fix MD5 signatures for non-linear skbs sctp: Update sctp global memory limit allocations. sctp: remove unnecessary byteshifting, calculate directly in big-endian sctp: Allow only 1 listening socket with SO_REUSEADDR sctp: Do not leak memory on multiple listen() calls sctp: Support ipv6only AF_INET6 sockets. ...
2008-07-20tty: Ldisc revampAlan Cox
Move the line disciplines towards a conventional ->ops arrangement. For the moment the actual 'tty_ldisc' struct in the tty is kept as part of the tty struct but this can then be changed if it turns out that when it all settles down we want to refcount ldiscs separately to the tty. Pull the ldisc code out of /proc and put it with our ldisc code. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-20iucv: Fix bad merging.David S. Miller
Noticed by Stephen Rothwell. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-20net_sched: Add size table for qdiscsJussi Kivilinna
Add size table functions for qdiscs and calculate packet size in qdisc_enqueue(). Based on patch by Patrick McHardy http://marc.info/?l=linux-netdev&m=115201979221729&w=2 Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-20net_sched: Add accessor function for packet length for qdiscsJussi Kivilinna
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-20net_sched: Add qdisc_enqueue wrapperJussi Kivilinna
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-19ipv6 mcast: Omit redundant address family checks in ip6_mc_source().YOSHIFUJI Hideaki
The caller has alredy checked for them. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-19net: Use standard structures for generic socket address structures.YOSHIFUJI Hideaki
Use sockaddr_storage{} for generic socket address storage and ensures proper alignment. Use sockaddr{} for pointers to omit several casts. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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