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2011-02-25Phonet: fix flawed "SYN/ACK" logicRémi Denis-Courmont
* Do not fail if the peer supports more or less than 3 algorithms. * Ignore unknown congestion control algorithms instead of failing. * Simplify congestion algorithm negotiation (largest is best). * Do not use a static buffer. * Fix off-by-two read overflow. * Avoid extra memory copy (in addition to skb_copy_bits()). The previous code really made no sense. Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-25Phonet: don't bother with transaction IDs (especially for indications)Rémi Denis-Courmont
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-25Phonet: remove redumdant pep->pipe_stateRémi Denis-Courmont
sk->sk_state already contains the pipe state. Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-25Phonet: use socket destination in pipe protocolRémi Denis-Courmont
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-25Phonet: implement per-socket destination/peer addressRémi Denis-Courmont
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-24Merge branch 'for-davem' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
2011-02-24netem: revised correlated loss generatorstephen hemminger
This is a patch originated with Stefano Salsano and Fabio Ludovici. It provides several alternative loss models for use with netem. This patch adds two state machine based loss models. See: http://netgroup.uniroma2.it/twiki/bin/view.cgi/Main/NetemCLG Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-24netem: define NETEM_DIST_MAXstephen hemminger
Rather than magic constant in code, expose the maximum size of packet distribution table in API. In iproute2, q_netem defines MAX_DIST as 16K already. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-24ipv4: Rearrange how ip_route_newports() gets port keys.David S. Miller
ip_route_newports() is the only place in the entire kernel that cares about the port members in the routing cache entry's lookup flow key. Therefore the only reason we store an entire flow inside of the struct rtentry is for this one special case. Rewrite ip_route_newports() such that: 1) The caller passes in the original port values, so we don't need to use the rth->fl.fl_ip_{s,d}port values to remember them. 2) The lookup flow is constructed by hand instead of being copied from the routing cache entry's flow. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Const'ify xfrm_address_t args to xfrm_state_find.David S. Miller
This required a const'ification in xfrm_init_tempstate() too. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Const'ify ptr args to xfrm_state_*_check and xfrm_state_kern.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Const'ify xfrm_tmpl and xfrm_state args to xfrm_state_addr_cmp.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Const'ify policy arg to xp_net.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Const'ify selector args in xfrm_migrate paths.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Const'ify pointer args to km_migrate() and implementations.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Const'ify address argument to xfrm_addr_any()David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Const'ify address arguments to xfrm_addr_cmp()David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Const'ify address arguments to ->dst_lookup()David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Const'ify selector argument to xfrm_selector_match()David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Const'ify tmpl and address arguments to ->init_temprop()David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Pass km_event pointers around as const when possible.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23Merge branch 'tipc-Feb23-2011' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/paulg/net-next-2.6
2011-02-23tipc: Clean out all remaining instances of #if 0'd unused codeAllan Stephens
Remove all instances of legacy or proposed-but-not-implemented code that lives within an #if 0 ... #endif block. If some of it is needed in the future it can recovered out of history, but there is no need for it to clutter up the active code base. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-02-23tipc: Improve handling of invalid link tolerance valuesAllan Stephens
Enhances TIPC link code to ignore an invalid link tolerance value contained in an incoming LINK_PROTOCOL message, rather than processing the value and potentially causing a divide-by-zero error. Also add a compile-time check that catches attempts to redefine TIPC's minimum link tolerance value in a manner that might result in the same divide-by-zero error at run-time. Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-02-23net: Implement SFEATURES compatibility for not updated driversMichał Mirosław
Use discrete setting ops for not updated drivers. This will not make them conform to full G/SFEATURES semantics, though. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23net_sched: SFB flow schedulerEric Dumazet
This is the Stochastic Fair Blue scheduler, based on work from : W. Feng, D. Kandlur, D. Saha, K. Shin. Blue: A New Class of Active Queue Management Algorithms. U. Michigan CSE-TR-387-99, April 1999. http://www.thefengs.com/wuchang/blue/CSE-TR-387-99.pdf This implementation is based on work done by Juliusz Chroboczek General SFB algorithm can be found in figure 14, page 15: B[l][n] : L x N array of bins (L levels, N bins per level) enqueue() Calculate hash function values h{0}, h{1}, .. h{L-1} Update bins at each level for i = 0 to L - 1 if (B[i][h{i}].qlen > bin_size) B[i][h{i}].p_mark += p_increment; else if (B[i][h{i}].qlen == 0) B[i][h{i}].p_mark -= p_decrement; p_min = min(B[0][h{0}].p_mark ... B[L-1][h{L-1}].p_mark); if (p_min == 1.0) ratelimit(); else mark/drop with probabilty p_min; I did the adaptation of Juliusz code to meet current kernel standards, and various changes to address previous comments : http://thread.gmane.org/gmane.linux.network/90225 http://thread.gmane.org/gmane.linux.network/90375 Default flow classifier is the rxhash introduced by RPS in 2.6.35, but we can use an external flow classifier if wanted. tc qdisc add dev $DEV parent 1:11 handle 11: \ est 0.5sec 2sec sfb limit 128 tc filter add dev $DEV protocol ip parent 11: handle 3 \ flow hash keys dst divisor 1024 Notes: 1) SFB default child qdisc is pfifo_fast. It can be changed by another qdisc but a child qdisc MUST not drop a packet previously queued. This is because SFB needs to handle a dequeued packet in order to maintain its virtual queue states. pfifo_head_drop or CHOKe should not be used. 2) ECN is enabled by default, unlike RED/CHOKe/GRED With help from Patrick McHardy & Andi Kleen Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Juliusz Chroboczek <Juliusz.Chroboczek@pps.jussieu.fr> CC: Stephen Hemminger <shemminger@vyatta.com> CC: Patrick McHardy <kaber@trash.net> CC: Andi Kleen <andi@firstfloor.org> CC: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-22net: Make flow cache paths use a const struct flowi.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-22net: Mark flowi arg to flow_cache_uli_match() const.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-22xfrm: Mark flowi arg to xfrm_state_find() const.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-22xfrm: Mark flowi arg to security_xfrm_state_pol_flow_match() const.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-22xfrm: Mark flowi arg to xfrm_selector_match() const.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-22xfrm: Mark token args to addr_match() const.David S. Miller
Also, make it return a real bool. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-22xfrm: Mark flowi arg to xfrm_type->reject() const.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-22xfrm: Mark flowi arg to ->init_tempsel() const.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-22xfrm: Mark flowi arg to ->fill_dst() const.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-22xfrm: Mark flowi arg to ->get_tos() const.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-22xfrm: Mark flowi arg const in key extraction helpers.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-22Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
2011-02-22net: add __rcu annotations to sk_wq and wqEric Dumazet
Add proper RCU annotations/verbs to sk_wq and wq members Fix __sctp_write_space() sk_sleep() abuse (and sock->wq access) Fix sunrpc sk_sleep() abuse too Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-20tcp: Remove debug macro of TCP_CHECK_TIMERShan Wei
Now, TCP_CHECK_TIMER is not used for debuging, it does nothing. And, it has been there for several years, maybe 6 years. Remove it to keep code clearer. Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-19Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: Documentation/feature-removal-schedule.txt drivers/net/e1000e/netdev.c net/xfrm/xfrm_policy.c
2011-02-19net: dcb: match dcb_app protocol field with 802.1Qaz specJohn Fastabend
The dcb_app protocol field is a __u32 however the 802.1Qaz specification defines it as a 16 bit field. This patch brings the structure inline with the spec making it a __u16. CC: Shmulik Ravid <shmulikr@broadcom.com> Signed-off-by: John Fastabend <john.r.fastabend@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-19Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6
2011-02-18Merge branch 'rtc-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'rtc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: RTC: Re-enable UIE timer/polling emulation RTC: Revert UIE emulation removal RTC: Release mutex in error path of rtc_alarm_irq_enable
2011-02-18ssb: when needed, reject IM input while disabling deviceRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-18ssb: remove invalid define SSB_TMSLOW_PHYCLKRafał Miłecki
It was incorrectly introduced in d2730b2a6a019d14455556019d744ab051e6554b. We have already fixed function to use correct define, but forgot remove old one. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Cc: Gábor Stefanik <netrolller.3d@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-18ipv4: Add hash table of interface addresses.David S. Miller
This will be used to optimize __ip_dev_find() and friends. With help from Eric Dumazet. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-18Merge branch 'fixes-2.6.38' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq * 'fixes-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: make sure MAYDAY_INITIAL_TIMEOUT is at least 2 jiffies long workqueue, freezer: unify spelling of 'freeze' + 'able' to 'freezable' workqueue: wake up a worker when a rescuer is leaving a gcwq
2011-02-18Expand CONFIG_DEBUG_LIST to several other list operationsLinus Torvalds
When list debugging is enabled, we aim to readably show list corruption errors, and the basic list_add/list_del operations end up having extra debugging code in them to do some basic validation of the list entries. However, "list_del_init()" and "list_move[_tail]()" ended up avoiding the debug code due to how they were written. This fixes that. So the _next_ time we have list_move() problems with stale list entries, we'll hopefully have an easier time finding them.. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-02-17ipv4: Use const'ify fib_result deep in the route call chains.David S. Miller
The only troublesome bit here is __mkroute_output which wants to override res->fi and res->type, compute those in local variables instead. Signed-off-by: David S. Miller <davem@davemloft.net>
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