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* [PKT_SCHED]: GRED: Fix restart of idle period in WRED mode upon dequeue and dropThomas Graf2005-11-05
| | | | | Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PKT_SCHED]: GRED: Cleanup and remove unnecessary codeThomas Graf2005-11-05
| | | | | | | | Removes unnecessary includes, initializers, and simplifies the code a bit. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PKT_SCHED]: GRED: Remove auto-creation of default VQThomas Graf2005-11-05
| | | | | | | | | | | Since we are no longer depending on the default VQ to be always allocated we can leave it up to the user to actually create it. This gives the user the ability to leave it out on purpose and enqueue packets directly to the device without applying the RED algorithm. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PKT_SCHED]: GRED: Dont abuse default VQ for equalizingThomas Graf2005-11-05
| | | | | | | | | | | | | | Introduces a new red parameter set for use in equalize mode, although only the qavg variable and the idle period marker are being used for now this makes it possible to allow a separate parameter set to be used for equalize later on. The use of this separate parameter set fixes a bogus start of an idle period in gred_drop() which did start an idle period on the default VQ even if equalize mode was disabled. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PKT_SCHED]: GRED: Remove initd flagThomas Graf2005-11-05
| | | | | | | | The case when the default VQ is not set up yet is already handled in a less error prone way. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PKT_SCHED]: GRED: Improve error handling and messagesThomas Graf2005-11-05
| | | | | | | | | | | | Try to enqueue packets if we cannot associate it with a VQ, this basically means that the default VQ has not been set up yet. We must check if the VQ still exists while requeueing, the VQ might have been changed between dequeue and the requeue of the underlying qdisc. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PKT_SCHED]: GRED: Introduce tc_index_to_dp()Thomas Graf2005-11-05
| | | | | | | | Adds a transformation function returning the DP index for a given skb according to its tc_index. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PKT_SCHED]: GRED: Use generic queue management interfaceThomas Graf2005-11-05
| | | | | Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PKT_SCHED]: GRED: Report congestion related drops as NET_XMIT_CNThomas Graf2005-11-05
| | | | | Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PKT_SCHED]: GRED: Do not reset statistics in gred_reset/gred_changeThomas Graf2005-11-05
| | | | | | | | | | Qdiscs are not supposed to reset statistics in reset() and while changing parameters. My argumentation is that if the user wants the counters to be reset he can simply remove and readd the qdiscs, that's what most users do anyway. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PKT_SCHED]: GRED: Use new generic red interfaceThomas Graf2005-11-05
| | | | | | | | | | | | | | Simplifies code a lot by separating the red algorithm and the queueing logic. We now differentiate between probability marks and forced marks but sum them together again to not break backwards compatibility. This brings GRED back to the level of RED and improves the accuracy of the averge queue length calculations when stab suggests a zero shift. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PKT_SCHED]: GRED: Use central VQ change procedureThomas Graf2005-11-05
| | | | | | | | | Introduces a function gred_change_vq() acting as a central point to change VQ parameters. Fixes priority inheritance in rio mode when the default DP equals 0. Adds proper locking during changes. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PKT_SCHED]: GRED: Report out-of-bound DPs as illegalThomas Graf2005-11-05
| | | | | Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PKT_SCHED]: GRED: Use a central table definition change procedureThomas Graf2005-11-05
| | | | | | | | | | | | | | | | | Introduces a function gred_change_table_def() acting as a central point to change the table definition. Adds missing validations for table definition: MAX_DPs > DPs > 0 and def_DP < DPs thus fixing possible invalid memory reference oopses. Only root could do it but having a typo crashing the machine is a bit hard. Adds missing locking while changing the table definition, the operation of changing the number of DPs and removing shadowed VQs may not be interrupted by a dequeue. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PKT_SCHED]: GRED: Dump table definitionThomas Graf2005-11-05
| | | | | Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PKT_SCHED]: GRED: Cleanup dumpingThomas Graf2005-11-05
| | | | | | | | | Avoids the allocation of a buffer by appending the VQs directly to the skb and simplifies the code by using the appropriate message construction macros. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PKT_SCHED]: GRED: Transform grio to GRED_RIO_MODEThomas Graf2005-11-05
| | | | | Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PKT_SCHED]: GRED: Cleanup equalize flag and add new WRED mode detectionThomas Graf2005-11-05
| | | | | | | | | | | | | | | | | Introduces a flags variable using bitops and transforms eqp to use it. Converts the conditions of the form (wred && rio) to (wred) since wred can only be enabled in rio mode anyway. The patch also improves WRED mode detection. The current behaviour does not allow WRED mode to be turned off again without removing the whole qdisc first. The new algorithm checks each VQ against each other looking for equal priorities every time a VQ is changed or added. The performance is poor, O(n**2), but it's used only during administrative tasks and the number of VQs is strictly limited. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PKT_SCHED]: RED: Cleanup and remove unnecessary codeThomas Graf2005-11-05
| | | | | | | | | | Removes the skb trimming code which is not needed since we never touch the skb upon failure. Removes unnecessary includes, initializers, and simplifies the code a bit. Removes Jamal's obsolete email addresses upon his own request. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PKT_SCHED]: RED: Dont start idle periods while already idlingThomas Graf2005-11-05
| | | | | | | We should not interrupt and restart an idle period while idling already. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PKT_SCHED]: RED: Use generic queue management interfaceThomas Graf2005-11-05
| | | | | Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PKT_SCHED]: RED: Use new generic red interfaceThomas Graf2005-11-05
| | | | | | | | | | Simplifies code a lot by separating the red algorithm and the queueing logic. We now differentiate between probability marks and forced marks but sum them together again to not break backwards compatibility. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [NETFILTER] nf_queue: Fix Ooops when no queue handler registeredHarald Welte2005-11-05
| | | | | | | | | With the new nf_queue generalization in 2.6.14, we've introduced a bug that causes an oops as soon as a packet is queued but no queue handler registered. This patch fixes it. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [NETFILTER]: CONNMARK target needs ip_conntrackHarald Welte2005-11-05
| | | | | | | | There's a missing dependency from the CONNMARK target to ip_conntrack. Signed-off-by: Pablo Neira Ayuso <pablo@eurodev.net> Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [NETFILTER] nfnetlink: Use kzallocHarald Welte2005-11-05
| | | | | | | | These is a cleanup patch, kzalloc can be used in a couple of cases Signed-off-by: Samir Bellabes <sbellabes@mandriva.com> Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [NETFILTER]: Fix double free after netlink_unicast() in ctnetlinkHarald Welte2005-11-05
| | | | | | | | It's not necessary to free skb if netlink_unicast() failed. Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [NETFILTER] NAT: Fix module refcount dropping too farHarald Welte2005-11-04
| | | | | | | | | | | | | The unknown protocol is used as a fallback when a protocol isn't known. Hence we cannot handle it failing, so don't set ".me". It's OK, since we only grab a reference from within the same module (iptable_nat.ko), so we never take the module refcount from 0 to 1. Also, remove the "protocol is NULL" test: it's never NULL. Signed-off-by: Rusty Rusty <rusty@rustcorp.com.au> Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [NETFILTER] PPTP helper: Fix endianness bug in GRE key / CallID NATHarald Welte2005-11-04
| | | | | | | | | | | This endianness bug slipped through while changing the 'gre.key' field in the conntrack tuple from 32bit to 16bit. None of my tests caught the problem, since the linux pptp client always has '0' as call id / gre key. Only windows clients actually trigger the bug. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [NETFILTER] PPTP helper: Fix compilation of conntrack helper without NATHarald Welte2005-11-04
| | | | | | | | | This patch fixes compilation of the PPTP conntrack helper when NAT is configured off. Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* NFS,SUNRPC,NLM: fix unused variable warnings when CONFIG_SYSCTL is disabledChuck Lever2005-11-04
| | | | | | | | | | | Fix some dprintk's so that NLM, NFS client, and RPC client compile cleanly if CONFIG_SYSCTL is disabled. Test plan: Compile kernel with CONFIG_NFS enabled and CONFIG_SYSCTL disabled. Signed-off-by: Chuck Lever <cel@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: allow sunrpc.o to link when CONFIG_SYSCTL is disabledChuck Lever2005-11-04
| | | | | | | | | | | | | | The sunrpc module should build properly even when CONFIG_SYSCTL is disabled. Reported by Jan-Benedict Glaw. Test plan: Compile kernel with CONFIG_NFS as a module and built-in, and CONFIG_SYSCTL enabled and disabled. Signed-off-by: Chuck Lever <cel@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* [PKT_SCHED]: Rework QoS and/or fair queueing configurationThomas Graf2005-11-02
| | | | | | | | | | | | | Make "QoS and/or fair queueing" have its own menu, it's too big to be inlined into "Network options". Remove the obsolete NET_QOS option. Automatically select NET_CLS if needed. Do the same for NET_ESTIMATOR but allow it to be selected manually for statistical purposes. Add comments to separate queueing from classification. Fix dependencies and ordering of classifiers. Improve descriptions/help texts and remove outdated pieces. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [IPV6]: inet6_ifinfo_notify should use RTM_DELLINK in addrconf_ifdownYan Zheng2005-11-02
| | | | | | Signed-off-by: Yan Zheng <yanzheng@21cn.com> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [NET]: Fix zero-size datagram receptionHerbert Xu2005-11-02
| | | | | | | | The recent rewrite of skb_copy_datagram_iovec broke the reception of zero-size datagrams. This patch fixes it. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [TCP]: BIC max increment too largeStephen Hemminger2005-11-02
| | | | | | | | | | | | | | | The max growth of BIC TCP is too large. Original code was based on BIC 1.0 and the default there was 32. Later code (2.6.13) included compensation for delayed acks, and should have reduced the default value to 16; since normally TCP gets one ack for every two packets sent. The current value of 32 makes BIC too aggressive and unfair to other flows. Submitted-by: Injong Rhee <rhee@eos.ncsu.edu> Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Acked-by: Ian McDonald <imcdnzl@gmail.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [MCAST]: ip[6]_mc_add_src should be called when number of sources is zeroYan Zheng2005-11-02
| | | | | | | | | | | | | | | | | | And filter mode is exclude. Further explanation by David Stevens: Multicast source filters aren't widely used yet, and that's really the only feature that's affected if an application actually exercises this bug, as far as I can tell. An ordinary filter-less multicast join should still work, and only forwarded multicast traffic making use of filters and doing empty-source filters with the MSFILTER ioctl would be at risk of not getting multicast traffic forwarded to them because the reports generated would not be based on the correct counts. Signed-off-by: Yan Zheng <yanzheng@21cn.com Acked-by: David L Stevens <dlstevens@us.ibm.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [MCAST] IPv6: Check packet size when process MulticastYan Zheng2005-10-31
| | | | | | Signed-off-by: Yan Zheng <yanzheng@21cn.com Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [DCCP]: Set socket owner iff packet is not dataHerbert Xu2005-10-31
| | | | | | | | | | | | | Here is a complimentary insurance policy for those feeling a bit insecure. You don't have to accept this. However, if you do, you can't blame me for it :) > 1) dccp_transmit_skb sets the owner for all packets except data packets. We can actually verify this by looking at pkt_type. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [DCCP]: Simplify skb_set_owner_w semanticsHerbert Xu2005-10-31
| | | | | | | | | | | While we're at it let's reorganise the set_owner_w calls a little so that: 1) dccp_transmit_skb sets the owner for all packets except data packets. 2) Add dccp_skb_entail to set owner for packets queued for retransmission. 3) Make dccp_transmit_skb static. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [IPV6]: Fix behavior of ip6_route_input() for link local addressYan Zheng2005-10-31
| | | | | | | | | | | | | | | | | | | | | | | I find that linux will reply echo request destined to an address which belongs to an interface other than the one from which the request received. This behavior doesn't make sense for link local address. YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> said: Please note that sender does need to setup neighbor entry by hand to reproduce this bug. (Link-local address on eth1 is not visible on eth0, from the point of view of neighbor discovery in IPv6.) +--------+ +--------+ | sender | | router | +---+----+ +-+----+-+ |eth0 eth0| |eth1 -----+----------------------+- -+-------------- Signed-off-by: Yan Zheng <yanzheng@21cn.com> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: Andrew Morton <akpm@osdl.org> (forwarded) Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [ROSE]: rose_heartbeat_expiry() locking fixAndrew Morton2005-10-31
| | | | | | | Missing unlock, as noted by Ted Unangst <tedu@coverity.com>. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [NETFILTER]: Add "revision" support to arp_tables and ip6_tablesHarald Welte2005-10-31
| | | | | | | | | Like ip_tables already has it for some time, this adds support for having multiple revisions for each match/target. We steal one byte from the name in order to accomodate a 8 bit version number. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [BRIDGE]: Use ether_compareStephen Hemminger2005-10-31
| | | | | | | Use compare_ether_addr in bridge code. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [PATCH] Typo fix: dot after newline in printk stringsJean Delvare2005-10-30
| | | | | | | | Typo fix: dots appearing after a newline in printk strings. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [CRYPTO] Simplify one-member scatterlist expressionsHerbert Xu2005-10-29
| | | | | | | This patch rewrites various occurences of &sg[0] where sg is an array of length one to simply sg. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [PATCH] Use sg_set_buf/sg_init_one where applicableDavid Hardeman2005-10-29
| | | | | | | | | | | | | This patch uses sg_set_buf/sg_init_one in some places where it was duplicated. Signed-off-by: David Hardeman <david@2gen.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: Greg KH <greg@kroah.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Garzik <jgarzik@pobox.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [PATCH] bluetooth hidp is broken on s390Al Viro2005-10-29
| | | | | | | | | | | | Bluetooth HIDP selects INPUT and it really needs it to be there - module depends on input core. And input core is never built on s390... Marked as broken on s390, for now; if somebody has better ideas, feel free to fix it and remove dependency... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [IPV4]: Fix issue reported by Coverity in ipv4/fib_frontend.cJayachandran C2005-10-29
| | | | | | | | fib_del_ifaddr() dereferences ifa->ifa_dev, so the code already assumes that ifa->ifa_dev is non-NULL, the check is unnecessary. Signed-off-by: Jayachandran C. <c.jayachandran at gmail.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [ETH]: ether address compareStephen Hemminger2005-10-29
| | | | | | | | | Expose faster ether compare for use by protocols and other driver. And change name to be more consistent with other ether address manipulation routines in same file Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/sridhar/lksctp-2.6Arnaldo Carvalho de Melo2005-10-28
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