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* [TCP]: cubic update for net-2.6.22Stephen Hemminger2007-04-26
| | | | | | | | | | | | | | | | | | The following update received from Injong updates TCP cubic to the latest version. I am running more complete tests and will have results after 4/1. According to Injong: the new version improves on its scalability, fairness and stability. So in all properties, we confirmed it shows better performance. NCSU results (for 2.6.18 and 2.6.20) available: http://netsrv.csc.ncsu.edu/wiki/index.php/TCP_Testing This version is described in a new Internet draft for CUBIC. http://www.ietf.org/internet-drafts/draft-rhee-tcp-cubic-00.txt Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] Move DF check to ip_forwardJohn Heffner2007-04-26
| | | | | | | Do fragmentation check in ip_forward, similar to ipv6 forwarding. Signed-off-by: John Heffner <jheffner@psc.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET]: Use jhash + random secret for ehash.David S. Miller2007-04-26
| | | | | | | | | | | The days are gone when this was not an issue, there are folks out there with huge bot networks that can be used to attack the established hash tables on remote systems. So just like the routing cache and connection tracking hash, use Jenkins hash with random secret input. Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETLINK]: introduce NLA_BINARY typeJohannes Berg2007-04-26
| | | | | | | | | | | This patch introduces a new NLA_BINARY attribute policy type with the verification of simply checking the maximum length of the payload. It also fixes a small typo in the example. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: Implement SCTP_MAX_BURST socket option.Vlad Yasevich2007-04-26
| | | | | Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: Implement sac_info field in SCTP_ASSOC_CHANGE notification.Vlad Yasevich2007-04-26
| | | | | | | | | | | | | | | | As stated in the sctp socket api draft: sac_info: variable If the sac_state is SCTP_COMM_LOST and an ABORT chunk was received for this association, sac_info[] contains the complete ABORT chunk as defined in the SCTP specification RFC2960 [RFC2960] section 3.3.7. We now save received ABORT chunks into the sac_info field and pass that to the user. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: Honor flags when setting peer address parametersVlad Yasevich2007-04-26
| | | | | | | | | Parameters only take effect when a corresponding flag bit is set and a value is specified. This means we need to check the flags in addition to checking for non-zero value. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: Implement SCTP_ADDR_CONFIRMED state for ADDR_CHNAGE eventVlad Yasevich2007-04-26
| | | | | Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: Implement SCTP_PARTIAL_DELIVERY_POINT option.Vlad Yasevich2007-04-26
| | | | | | | | | | | This option induces partial delivery to run as soon as the specified amount of data has been accumulated on the association. However, we give preference to fully reassembled messages over PD messages. In any case, window and buffer is freed up. Signed-off-by: Vlad Yasevich <vladislav.yasevich@.hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: Implement SCTP_FRAGMENT_INTERLEAVE socket optionVlad Yasevich2007-04-26
| | | | | | | | | | | | | | | This option was introduced in draft-ietf-tsvwg-sctpsocket-13. It prevents head-of-line blocking in the case of one-to-many endpoint. Applications enabling this option really must enable SCTP_SNDRCV event so that they would know where the data belongs. Based on an earlier patch by Ivan Skytte Jørgensen. Additionally, this functionality now permits multiple associations on the same endpoint to enter Partial Delivery. Applications should be extra careful, when using this functionality, to track EOR indicators. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: qdisc: remove unnecessary memory barriersPatrick McHardy2007-04-26
| | | | | | | | We're holding dev->queue_lock in qdisc_watchdog_schedule and qdisc_watchdog_cancel, no need for the barriers. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Unline tcf_destroyPatrick McHardy2007-04-26
| | | | | | | | Uninline tcf_destroy and add a helper function to destroy an entire filter chain. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: turn PSCHED_GET_TIME into inline functionPatrick McHardy2007-04-26
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: turn PSCHED_TDIFF_SAFE into inline functionPatrick McHardy2007-04-26
| | | | | | | Also rename to psched_tdiff_bounded. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: kill PSCHED_TDIFFPatrick McHardy2007-04-26
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: kill PSCHED_SET_PASTPERFECT/PSCHED_IS_PASTPERFECTPatrick McHardy2007-04-26
| | | | | | | Use direct assignment and comparison instead. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: kill PSCHED_TLESSPatrick McHardy2007-04-26
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: kill PSCHED_TADD/PSCHED_TADD2Patrick McHardy2007-04-26
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: kill PSCHED_AUDIT_TDIFFPatrick McHardy2007-04-26
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_netem: fix off-by-one in send time comparisonPatrick McHardy2007-04-26
| | | | | | | | | | netem checks PSCHED_TLESS(cb->time_to_send, now) to find out whether it is allowed to send a packet, which is equivalent to cb->time_to_send < now. Use !PSCHED_TLESS(now, cb->time_to_send) instead to properly handle cb->time_to_send == now. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER] nfnetlink: netlink_run_queue() already checks for NLM_F_REQUESTThomas Graf2007-04-26
| | | | | | | | | | Patrick has made use of netlink_run_queue() in nfnetlink while my patches have been waiting for net-2.6.22 to open. So this check for NLM_F_REQUEST can go as well. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: kill destroy() in struct nf_conntrack for dietYasuyuki Kozakai2007-04-26
| | | | | | | | | The destructor per conntrack is unnecessary, then this replaces it with system wide destructor. Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: don't use nfct in skb if conntrack is disabledYasuyuki Kozakai2007-04-26
| | | | | | Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Use setup_timerPatrick McHardy2007-04-26
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nfnetlink_log: remove conditional lockingPatrick McHardy2007-04-26
| | | | | | | This is gross, have the wrapper function take the lock. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nfnetlink_log: micro-optimization: inst->skb != NULL in ↵Michal Miroslaw2007-04-26
| | | | | | | | | | | __nfulnl_send() No other function calls __nfulnl_send() with inst->skb == NULL than nfulnl_timer(). Signed-off-by: Michal Miroslaw <mirq-linux@rere.qmqm.pl> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nfnetlink_log: iterator functions need iter_state * onlyMichal Miroslaw2007-04-26
| | | | | | | | get_*() don't need access to seq_file - iter_state is enough for them. Signed-off-by: Michal Miroslaw <mirq-linux@rere.qmqm.pl> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nfnetlink_log: micro-optimization: don't modify destroyed instanceMichal Miroslaw2007-04-26
| | | | | | | | | Simple micro-optimization: Don't change any options if the instance is being destroyed. Signed-off-by: Michal Miroslaw <mirq-linux@rere.qmqm.pl> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nfnetlink_log: micro-optimization for inst==NULL in ↵Michal Miroslaw2007-04-26
| | | | | | | | | | nfulnl_recv_config() Simple micro-optimization: don't call instance_put() on known NULL pointers. Signed-off-by: Michal Miroslaw <mirq-linux@rere.qmqm.pl> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nfnetlink_log: kill duplicate codeMichal Miroslaw2007-04-26
| | | | | | | | Kill some duplicate code in nfulnl_log_packet(). Signed-off-by: Michal Miroslaw <mirq-linux@rere.qmqm.pl> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nfnetlink_log: don't count max(a,b) twiceMichal Miroslaw2007-04-26
| | | | | | | | | We don't need local nlbufsiz (skb size) as nfulnl_alloc_skb() takes the maximum anyway. Signed-off-by: Michal Miroslaw <mirq-linux@rere.qmqm.pl> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Remove changelogs and CVS IDsPatrick McHardy2007-04-26
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETEM]: spelling errorsStephen Hemminger2007-04-26
| | | | | | | Get rid of some of my creative spelling. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETLINK]: Directly return -EINTR from netlink_dump_start()Thomas Graf2007-04-26
| | | | | | | | | Now that all users of netlink_dump_start() use netlink_run_queue() to process the receive queue, it is possible to return -EINTR from netlink_dump_start() directly, therefore simplying the callers. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPv4] diag: Use netlink_run_queue() to process the receive queueThomas Graf2007-04-26
| | | | | | | | Makes use of netlink_run_queue() to process the receive queue and converts inet_diag_rcv_msg() to use the type safe netlink interface. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETLINK]: Remove error pointer from netlink message handlerThomas Graf2007-04-26
| | | | | | | | | | | | | | | | | | The error pointer argument in netlink message handlers is used to signal the special case where processing has to be interrupted because a dump was started but no error happened. Instead it is simpler and more clear to return -EINTR and have netlink_run_queue() deal with getting the queue right. nfnetlink passed on this error pointer to its subsystem handlers but only uses it to signal the start of a netlink dump. Therefore it can be removed there as well. This patch also cleans up the error handling in the affected message handlers to be consistent since it had to be touched anyway. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETLINK]: Ignore control messages directly in netlink_run_queue()Thomas Graf2007-04-26
| | | | | | | | Changes netlink_rcv_skb() to skip netlink controll messages and don't pass them on to the message handler. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETLINK]: Ignore !NLM_F_REQUEST messages directly in netlink_run_queue()Thomas Graf2007-04-26
| | | | | | | | | netlink_rcv_skb() is changed to skip messages which don't have the NLM_F_REQUEST bit to avoid every netlink family having to perform this check on their own. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETLINK]: Remove unused groups variableThomas Graf2007-04-26
| | | | | | | Leftover from dynamic multicast groups allocation work. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP] westwood: Use type safe netlink interfaceThomas Graf2007-04-26
| | | | | Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP] vegas: Use type safe netlink interfaceThomas Graf2007-04-26
| | | | | Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* [RTNL]: Properly return rntl message handlerThomas Graf2007-04-26
| | | | | Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED] qdisc: avoid transmit softirq on watchdog wakeupStephen Hemminger2007-04-26
| | | | | | | | | | If possible, avoid having to do a transmit softirq when a qdisc watchdog decides to re-enable. The watchdog routine runs off a timer, so it is already in the same effective context as the softirq. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETEM]: avoid excessive requeuesStephen Hemminger2007-04-26
| | | | | | | | | The netem code would call getnstimeofday() and dequeue/requeue after every packet, even if it was waiting. Avoid this overhead by using the throttled flag. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETEM]: Optimize tfifoStephen Hemminger2007-04-26
| | | | | | | | In most cases, the next packet will be sent after the last one. So optimize that case. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETEM]: use better types for time valuesStephen Hemminger2007-04-26
| | | | | | | | The random number generator always generates 32 bit values. The time values are limited by psched_tdiff_t Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETEM]: report reorder percent correctly.Stephen Hemminger2007-04-26
| | | | | | | | | | If you setup netem to just delay packets; "tc qdisc ls" will report the reordering as 100%. Well it's a lie, reorder isn't used unless gap is set, so just set value to 0 so the output of utility is correct. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: cubic optimizationStephen Hemminger2007-04-26
| | | | | | | Use willy's work in optimizing cube root by having table for small values. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [LIB]: div64_64 optimizationStephen Hemminger2007-04-26
| | | | | | | | Minor optimization of div64_64. do_div() already does optimization for the case of 32 by 32 divide, so no need to do it here. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] rules: Unified rules dumpingThomas Graf2007-04-26
| | | | | | | | | Implements a unified, protocol independant rules dumping function which is capable of both, dumping a specific protocol family or all of them. This speeds up dumping as less lookups are required. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
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