22e0f8b9322cb1a48b1357e8f4ae6f5a9eca8cfa |
|
28-Sep-2014 |
John Fastabend <john.fastabend@gmail.com> |
net: sched: make bstats per cpu and estimator RCU safe In order to run qdisc's without locking statistics and estimators need to be handled correctly. To resolve bstats make the statistics per cpu. And because this is only needed for qdiscs that are running without locks which is not the case for most qdiscs in the near future only create percpu stats when qdiscs set the TCQ_F_CPUSTATS flag. Next because estimators use the bstats to calculate packets per second and bytes per second the estimator code paths are updated to use the per cpu statistics. Signed-off-by: John Fastabend <john.r.fastabend@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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d2de875c6d4cbec8a99c880160181a3ed5b9992e |
|
23-Aug-2014 |
Eric Dumazet <edumazet@google.com> |
net: use ktime_get_ns() and ktime_get_real_ns() helpers ktime_get_ns() replaces ktime_to_ns(ktime_get()) ktime_get_real_ns() replaces ktime_to_ns(ktime_get_real()) Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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4f1e9d8949b438c7791993515fc164312e9080e2 |
|
12-Feb-2014 |
WANG Cong <xiyou.wangcong@gmail.com> |
net_sched: act: move tcf_hashinfo_init() into tcf_register_action() Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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a5b5c958ffd1610545d6b4b8290aa9c5266d10fa |
|
12-Feb-2014 |
WANG Cong <xiyou.wangcong@gmail.com> |
net_sched: act: refactor cleanup ops For bindcnt and refcnt etc., they are common for all actions, not need to repeat such operations for their own, they can be unified now. Actions just need to do its specific cleanup if needed. Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
|
86062033feb8a1692f7a3d570c652f1b4a4b4b52 |
|
12-Feb-2014 |
WANG Cong <xiyou.wangcong@gmail.com> |
net_sched: act: hide struct tcf_common from API Now we can totally hide it from modules. tcf_hash_*() API's will operate on struct tc_action, modules don't need to care about the details. Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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6e6a50c254220acb19bd338ce433b1770e4a7a3c |
|
17-Jan-2014 |
WANG Cong <xiyou.wangcong@gmail.com> |
net_sched: act: export tcf_hash_search() instead of tcf_hash_lookup() So that we will not expose struct tcf_common to modules. Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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c779f7af99f73abb7270dcaa4c29178ab5ef7472 |
|
17-Jan-2014 |
WANG Cong <xiyou.wangcong@gmail.com> |
net_sched: act: fetch hinfo from a->ops->hinfo Every action ops has a pointer to hash info, so we don't need to hard-code it in each module. Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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671314a5abb7abb8346cd3f16f75c1e55ed7667b |
|
16-Jan-2014 |
WANG Cong <xiyou.wangcong@gmail.com> |
net_sched: act: remove capab from struct tc_action_ops It is not actually implemented. Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
|
fb1d598d482d9fd448ea68895751bdfb8f29ee8e |
|
16-Jan-2014 |
WANG Cong <xiyou.wangcong@gmail.com> |
net_sched: act: use tcf_hash_release() in net/sched/act_police.c Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
|
ddafd34f419546f1eb7c343178685f059c3cf127 |
|
10-Jan-2014 |
WANG Cong <xiyou.wangcong@gmail.com> |
net_sched: act: move idx_gen into struct tcf_hashinfo There is no need to store the index separatedly since tcf_hashinfo is allocated statically too. Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
|
1a29321ed045e3aad23c5f7b63036e465ee3093a |
|
23-Dec-2013 |
Jamal Hadi Salim <jhs@mojatatu.com> |
net_sched: act: Dont increment refcnt on replace This is a bug fix. The existing code tries to kill many birds with one stone: Handling binding of actions to filters, new actions and replacing of action attributes. A simple test case to illustrate: XXXX moja@fe1:~$ sudo tc actions add action drop index 12 moja@fe1:~$ actions get action gact index 12 action order 1: gact action drop random type none pass val 0 index 12 ref 1 bind 0 moja@fe1:~$ sudo tc actions replace action ok index 12 moja@fe1:~$ actions get action gact index 12 action order 1: gact action drop random type none pass val 0 index 12 ref 2 bind 0 XXXX The above shows the refcounf being wrongly incremented on replace. There are more complex scenarios with binding of actions to filters that i am leaving out that didnt work as well... Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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568a153a22d8f338a5ebda70e6bd139f6d8bb2c3 |
|
20-Dec-2013 |
WANG Cong <xiyou.wangcong@gmail.com> |
net_sched: fix a regression in tc actions This patch fixes: 1) pass mask rather than size to tcf_hashinfo_init() 2) the cleanup should be in reversed order in mirred_cleanup_module() Reported-by: Eric Dumazet <eric.dumazet@gmail.com> Fixes: 369ba56787d7469c0afd ("net_sched: init struct tcf_hashinfo at register time") Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
|
3b69a4c9becde783cd89758075780f9d871ba4b6 |
|
17-Dec-2013 |
Yang Yingliang <yangyingliang@huawei.com> |
act_police: remove unnecessary null pointer check It already has a NULL pointer check of rtab in qdisc_put_rtab(). Remove the check outside of qdisc_put_rtab(). Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
|
89819dc01f4c5920783f561597a48d9d75220e9e |
|
16-Dec-2013 |
WANG Cong <xiyou.wangcong@gmail.com> |
net_sched: convert tcf_hashinfo to hlist and use spinlock So that we don't need to play with singly linked list, and since the code is not on hot path, we can use spinlock instead of rwlock. Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
|
369ba56787d7469c0afda70bb9ff76ad5faaead5 |
|
16-Dec-2013 |
WANG Cong <xiyou.wangcong@gmail.com> |
net_sched: init struct tcf_hashinfo at register time It looks weird to store the lock out of the struct but still points to a static variable. Just move them into the struct. Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
|
43c00dcf8888daea234226e8adf09c37b00d2245 |
|
04-Dec-2013 |
Jamal Hadi Salim <jhs@mojatatu.com> |
net_sched: Use default action lookup functions Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
|
3e1e3aae1f5d4e8e5edb7e332f6e265597cc5b0a |
|
19-Sep-2013 |
Eric Dumazet <edumazet@google.com> |
net_sched: add u64 rate to psched_ratecfg_precompute() Add an extra u64 rate parameter to psched_ratecfg_precompute() so that some qdisc can opt-in for 64bit rates in the future, to overcome the ~34 Gbits limit. psched_ratecfg_getrate() reports a legacy structure to tc utility, so if actual rate is above the 32bit rate field, cap it to the 34Gbit limit. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
|
01cb71d2d47b78354358e4bb938bb06323e17498 |
|
02-Jun-2013 |
Eric Dumazet <edumazet@google.com> |
net_sched: restore "overhead xxx" handling commit 56b765b79 ("htb: improved accuracy at high rates") broke the "overhead xxx" handling, as well as the "linklayer atm" attribute. tc class add ... htb rate X ceil Y linklayer atm overhead 10 This patch restores the "overhead xxx" handling, for htb, tbf and act_police The "linklayer atm" thing needs a separate fix. Reported-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Vimalkumar <j.vimal@gmail.com> Cc: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
|
c6d14ff11bec4c02601be198c84a5c76d1af90fc |
|
12-Feb-2013 |
Jiri Pirko <jiri@resnulli.us> |
act_police: improved accuracy at high rates Current act_police uses rate table computed by the "tc" userspace program, which has the following issue: The rate table has 256 entries to map packet lengths to token (time units). With TSO sized packets, the 256 entry granularity leads to loss/gain of rate, making the token bucket inaccurate. Thus, instead of relying on rate table, this patch explicitly computes the time and accounts for packet transmission times with nanosecond granularity. This is a followup to 56b765b79e9a78dc7d3f8850ba5e5567205a3ecd ("htb: improved accuracy at high rates"). Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
|
0e243218bac42ebd0a9c19ceb0003410d302d008 |
|
12-Feb-2013 |
Jiri Pirko <jiri@resnulli.us> |
act_police: move struct tcf_police to act_police.c It's not used anywhere else, so move it. Signed-off-by: Jiri Pirko <jiri@resnulli.us> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
|
c1b52739e45f5969b208ebc377f52468280af11e |
|
14-Jan-2013 |
Benjamin LaHaise <bcrl@kvack.org> |
pkt_sched: namespace aware act_mirred Eric Dumazet pointed out that act_mirred needs to find the current net_ns, and struct net pointer is not provided in the call chain. His original patch made use of current->nsproxy->net_ns to find the network namespace, but this fails to work correctly for userspace code that makes use of netlink sockets in different network namespaces. Instead, pass the "struct net *" down along the call chain to where it is needed. This version removes the ifb changes as Eric has submitted that patch separately, but is otherwise identical to the previous version. Signed-off-by: Benjamin LaHaise <bcrl@kvack.org> Tested-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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1b34ec43c9b3de44a5420841ab293d1b2035a94c |
|
29-Mar-2012 |
David S. Miller <davem@davemloft.net> |
pkt_sched: Stop using NLA_PUT*(). These macros contain a hidden goto, and are thus extremely error prone and make code hard to audit. Signed-off-by: David S. Miller <davem@davemloft.net>
|
dc7f9f6e8838556f226c2ebd1da7bb305cb25654 |
|
06-Jul-2011 |
Eric Dumazet <eric.dumazet@gmail.com> |
net: sched: constify tcf_proto and tc_action Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
|
75ef0368d182785c7c5c06ac11081e31257a313e |
|
15-Mar-2011 |
Lai Jiangshan <laijs@cn.fujitsu.com> |
net,act_police,rcu: remove rcu_barrier() There is no callback of this module maybe queued since we use kfree_rcu(), we can safely remove the rcu_barrier(). Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org>
|
5957b1ac52c5fde2afe5d80abe2a1cb82a9b4f20 |
|
15-Mar-2011 |
Lai Jiangshan <laijs@cn.fujitsu.com> |
net,rcu: convert call_rcu(tcf_police_free_rcu) to kfree_rcu() [PATCH 05/17] net,rcu: convert call_rcu(tcf_police_free_rcu) to kfree_rcu() The rcu callback tcf_police_free_rcu() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(tcf_police_free_rcu). Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org>
|
cc7ec456f82da7f89a5b376e613b3ac4311b3e9a |
|
19-Jan-2011 |
Eric Dumazet <eric.dumazet@gmail.com> |
net_sched: cleanups Cleanup net/sched code to current CodingStyle and practices. Reduce inline abuse Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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bfe0d0298f2a67d94d58c39ea904a999aeeb7c3c |
|
09-Jan-2011 |
Eric Dumazet <eric.dumazet@gmail.com> |
net_sched: factorize qdisc stats handling HTB takes into account skb is segmented in stats updates. Generalize this to all schedulers. They should use qdisc_bstats_update() helper instead of manipulating bstats.bytes and bstats.packets Add bstats_update() helper too for classes that use gnet_stats_basic_packed fields. Note : Right now, TCQ_F_CAN_BYPASS shortcurt can be taken only if no stab is setup on qdisc. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
|
0f04cfd098fb81fded74e78ea1a1b86cc6c6c31e |
|
31-Aug-2010 |
Jeff Mahoney <jeffm@suse.com> |
net sched: fix kernel leak in act_police While reviewing commit 1c40be12f7d8ca1d387510d39787b12e512a7ce8, I audited other users of tc_action_ops->dump for information leaks. That commit covered almost all of them but act_police still had a leak. opt.limit and opt.capab aren't zeroed out before the structure is passed out. This patch uses the C99 initializers to zero everything unused out. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Acked-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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c7de2cf053420d63bac85133469c965d4b1083e1 |
|
09-Jun-2010 |
Eric Dumazet <eric.dumazet@gmail.com> |
pkt_sched: gen_kill_estimator() rcu fixes gen_kill_estimator() API is incomplete or not well documented, since caller should make sure an RCU grace period is respected before freeing stats_lock. This was partially addressed in commit 5d944c640b4 (gen_estimator: deadlock fix), but same problem exist for all gen_kill_estimator() users, if lock they use is not already RCU protected. A code review shows xt_RATEEST.c, act_api.c, act_police.c have this problem. Other are ok because they use qdisc lock, already RCU protected. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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5a0e3ad6af8660be21ca98a971cd00f331318c05 |
|
24-Mar-2010 |
Tejun Heo <tj@kernel.org> |
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: Tejun Heo <tj@kernel.org> Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
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b964758050f856e44f5fe645d03bea8a1b0b66bd |
|
16-Jun-2009 |
Jarek Poplawski <jarkao2@gmail.com> |
pkt_sched: Update drops stats in act_police Action police statistics could be misleading because drops are not shown when expected. With feedback from: Jamal Hadi Salim <hadi@cyberus.ca> Reported-by: Pawel Staszewski <pstaszewski@itcare.pl> Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Acked-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
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a883bf564ea555447a76682bb2d8d4bc92e23e0e |
|
05-Mar-2009 |
Jarek Poplawski <jarkao2@gmail.com> |
pkt_sched: act_police: Fix a rate estimator test. A commit c1b56878fb68e9c14070939ea4537ad4db79ffae "tc: policing requires a rate estimator" introduced a test which invalidates previously working configs, based on examples from iproute2: doc/actions/actions-general. This is too rigorous: a rate estimator is needed only when police's "avrate" option is used. Reported-by: Joao Correia <joaomiguelcorreia@gmail.com> Diagnosed-by: John Dykstra <john.dykstra1@gmail.com> Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
|
244e6c2d0724bc4908a1995804704bdee3b31528 |
|
27-Nov-2008 |
Jarek Poplawski <jarkao2@gmail.com> |
pkt_sched: gen_estimator: Optimize gen_estimator_active() Since all other gen_estimator functions use bstats and rate_est params together, and searching for them is optimized now, let's use this also in gen_estimator_active(). The return type of gen_estimator_active() is changed to bool, and gen_find_node() parameters to const, btw. In tcf_act_police_locate() a check for ACT_P_CREATED is added before calling gen_estimator_active(). Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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c1b56878fb68e9c14070939ea4537ad4db79ffae |
|
26-Nov-2008 |
Stephen Hemminger <shemminger@vyatta.com> |
tc: policing requires a rate estimator Found that while trying average rate policing, it was possible to request average rate policing without a rate estimator. This results in no policing which is harmless but incorrect. Since policing could be setup in two steps, need to check in the kernel. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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71bcb09a57894fa35591ce93dd972065eeecb63a |
|
26-Nov-2008 |
Stephen Hemminger <shemminger@vyatta.com> |
tc: check for errors in gen_rate_estimator creation The functions gen_new_estimator and gen_replace_estimator can return errors, but they were being ignored. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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547b792cac0a038b9dbf958d3c120df3740b5572 |
|
26-Jul-2008 |
Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> |
net: convert BUG_TRAP to generic WARN_ON 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>
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0abf77e55a2459aa9905be4b226e4729d5b4f0cb |
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20-Jul-2008 |
Jussi Kivilinna <jussi.kivilinna@mbnet.fi> |
net_sched: Add accessor function for packet length for qdiscs Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
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53b2bf3f8a652c9c8e86831f94ae2c5767ea54d7 |
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24-Jan-2008 |
Patrick McHardy <kaber@trash.net> |
[NET_SCHED]: Use nla_policy for attribute validation in actions Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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1587bac49f8491b5006a78f8d726111b71757941 |
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24-Jan-2008 |
Patrick McHardy <kaber@trash.net> |
[NET_SCHED]: Use typeful attribute parsing helpers Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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24beeab539c6f42c4a93e2ff7c3b5f272e60da45 |
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24-Jan-2008 |
Patrick McHardy <kaber@trash.net> |
[NET_SCHED]: Use typeful attribute construction helpers Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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4b3550ef530cfc153fa91f0b37cbda448bad11c6 |
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24-Jan-2008 |
Patrick McHardy <kaber@trash.net> |
[NET_SCHED]: Use nla_nest_start/nla_nest_end Use nla_nest_start/nla_nest_end for dumping nested attributes. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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cee63723b358e594225e812d6e14a2a0abfd5c88 |
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24-Jan-2008 |
Patrick McHardy <kaber@trash.net> |
[NET_SCHED]: Propagate nla_parse return value nla_parse() returns more detailed errno codes, propagate them back on error. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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7ba699c604ab811972eee2e041fd6b07659a2e6e |
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23-Jan-2008 |
Patrick McHardy <kaber@trash.net> |
[NET_SCHED]: Convert actions from rtnetlink to new netlink API Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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1e90474c377e92db7262a8968a45c1dd980ca9e5 |
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23-Jan-2008 |
Patrick McHardy <kaber@trash.net> |
[NET_SCHED]: Convert packet schedulers from rtnetlink to new netlink API Convert packet schedulers to use the netlink API. Unfortunately a gradual conversion is not possible without breaking compilation in the middle or adding lots of casts, so this patch converts them all in one step. The patch has been mostly generated automatically with some minor edits to at least allow seperate conversion of classifiers and actions. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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e9bef55d3d062ee7a78fde2913ec87ca9305a1e0 |
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12-Sep-2007 |
Jesper Dangaard Brouer <hawk@comx.dk> |
[NET_SCHED]: Cleanup L2T macros and handle oversized packets Change L2T (length to time) macros, in all rate based schedulers, to call a common function qdisc_l2t() that does the rate table lookup. This function handles if the packet size lookup is larger than the rate table, which often occurs with TSO enabled. Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk> Acked-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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e1e992e52faa588667e1378a2573b4b8e3fa6670 |
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12-Sep-2007 |
Jamal Hadi Salim <hadi@cyberus.ca> |
[NET_SCHED] protect action config/dump from irqs (with no apologies to C Heston) On Mon, 2007-10-09 at 21:00 +0800, Herbert Xu wrote: On Sun, Sep 02, 2007 at 01:11:29PM +0000, Christian Kujau wrote: > > > > after upgrading to 2.6.23-rc5 (and applying davem's fix [0]), lockdep > > was quite noisy when I tried to shape my external (wireless) interface: > > > > [ 6400.534545] FahCore_78.exe/3552 just changed the state of lock: > > [ 6400.534713] (&dev->ingress_lock){-+..}, at: [<c038d595>] > > netif_receive_skb+0x2d5/0x3c0 > > [ 6400.534941] but this lock took another, soft-read-irq-unsafe lock in the > > past: > > [ 6400.535145] (police_lock){-.--} > > This is a genuine dead-lock. The police lock can be taken > for reading with softirqs on. If a second CPU tries to take > the police lock for writing, while holding the ingress lock, > then a softirq on the first CPU can dead-lock when it tries > to get the ingress lock. Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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0a26f4cdc207db14a8e7192bac5a7c84d9e2390a |
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11-Aug-2007 |
Jesper Juhl <jesper.juhl@gmail.com> |
[PKT_SCHED]: Clean up duplicate includes in net/sched/ This patch cleans up duplicate includes in net/sched/ Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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c3bc7cff8fddb6ff9715be8bfc3d911378c4d69d |
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15-Jul-2007 |
Patrick McHardy <kaber@trash.net> |
[NET_SCHED]: Kill CONFIG_NET_CLS_POLICE The NET_CLS_ACT option is now a full replacement for NET_CLS_POLICE, remove the old code. The config option will be kept around to select the equivalent NET_CLS_ACT options for a short time to allow easier upgrades. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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0ba48053831d5b89ee2afaefaae1c06eae80cb05 |
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03-Jul-2007 |
Patrick McHardy <kaber@trash.net> |
[NET_SCHED]: Remove unnecessary includes Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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4bdf39911e7a887c4499161422423cbaf16684e8 |
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03-Jul-2007 |
Patrick McHardy <kaber@trash.net> |
[NET_SCHED]: Remove unnecessary stats_lock pointers Remove stats_lock pointers from qdisc-internal structures, in all cases it points to dev->queue_lock. The only case where it is necessary is for top-level qdiscs, where it might also point to dev->ingress_lock in case of the ingress qdisc. Also remove it from actions completely, it always points to the actions internal lock. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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876d48aabf30e4981653f1a0a7ae1e262b8c8b6f |
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03-Jul-2007 |
Patrick McHardy <kaber@trash.net> |
[NET_SCHED]: Remove CONFIG_NET_ESTIMATOR option The generic estimator is always built in anways and all the config options does is prevent including a minimal amount of code for setting it up. Additionally the option is already automatically selected for most cases. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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3bebcda28077375470dd60545b71bba2f83335fd |
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23-Mar-2007 |
Patrick McHardy <kaber@trash.net> |
[NET_SCHED]: turn PSCHED_GET_TIME into inline function Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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03cc45c0a5b9b7f74768feb43b9a2525d203bbdb |
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23-Mar-2007 |
Patrick McHardy <kaber@trash.net> |
[NET_SCHED]: turn PSCHED_TDIFF_SAFE into inline function Also rename to psched_tdiff_bounded. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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dc5fc579b90ed0a9a4e55b0218cdbaf0a8cf2e67 |
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26-Mar-2007 |
Arnaldo Carvalho de Melo <acme@redhat.com> |
[NETLINK]: Use nlmsg_trim() where appropriate Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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27a884dc3cb63b93c2b3b643f5b31eed5f8a4d26 |
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20-Apr-2007 |
Arnaldo Carvalho de Melo <acme@redhat.com> |
[SK_BUFF]: Convert skb->tail to sk_buff_data_t So that it is also an offset from skb->head, reduces its size from 8 to 4 bytes on 64bit architectures, allowing us to combine the 4 bytes hole left by the layer headers conversion, reducing struct sk_buff size to 256 bytes, i.e. 4 64byte cachelines, and since the sk_buff slab cache is SLAB_HWCACHE_ALIGN... :-) Many calculations that previously required that skb->{transport,network, mac}_header be first converted to a pointer now can be done directly, being meaningful as offsets or pointers. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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cd354f1ae75e6466a7e31b727faede57a1f89ca5 |
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14-Feb-2007 |
Tim Schmielau <tim@physik3.uni-rostock.de> |
[PATCH] remove many unneeded #includes of sched.h After Al Viro (finally) succeeded in removing the sched.h #include in module.h recently, it makes sense again to remove other superfluous sched.h includes. There are quite a lot of files which include it but don't actually need anything defined in there. Presumably these includes were once needed for macros that used to live in sched.h, but moved to other header files in the course of cleaning it up. To ease the pain, this time I did not fiddle with any header files and only removed #includes from .c-files, which tend to cause less trouble. Compile tested against 2.6.20-rc2 and 2.6.20-rc2-mm2 (with offsets) on alpha, arm, i386, ia64, mips, powerpc, and x86_64 with allnoconfig, defconfig, allmodconfig, and allyesconfig as well as a few randconfigs on x86_64 and all configs in arch/arm/configs on arm. I also checked that no new warnings were introduced by the patch (actually, some warnings are removed that were emitted by unnecessarily included header files). Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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10297b99315e5e08fe623ba56da35db1fee69ba9 |
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09-Feb-2007 |
YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> |
[NET] SCHED: Fix whitespace errors. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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1e9b3d5339d2afd6348e8211f0db695b00261e17 |
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01-Dec-2006 |
Patrick McHardy <kaber@trash.net> |
[NET_SCHED]: policer: restore compatibility with old iproute binaries The tc actions increased the size of struct tc_police, which broke compatibility with old iproute binaries since both the act_police and the old NET_CLS_POLICE code check for an exact size match. Since the new members are not even used, the simple fix is to also accept the size of the old structure. Dumping is not affected since old userspace will receive a bigger structure, which is handled fine. Signed-off-by: Patrick McHardy <kaber@trash.net> Acked-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
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e9ce1cd3cf6cf35b21d0ce990f2e738f35907386 |
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22-Aug-2006 |
David S. Miller <davem@sunset.davemloft.net> |
[PKT_SCHED]: Kill pkt_act.h inlining. This was simply making templates of functions and mostly causing a lot of code duplication in the classifier action modules. We solve this more cleanly by having a common "struct tcf_common" that hash worker functions contained once in act_api.c can work with. Callers work with real action objects that have the common struct plus their module specific struct members. You go from a common object to the higher level one using a "to_foo()" macro which makes use of container_of() to do the dirty work. This also kills off act_generic.h which was only used by act_simple.c and keeping it around was more work than the it's value. Signed-off-by: David S. Miller <davem@davemloft.net>
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0da974f4f303a6842516b764507e3c0a03f41e5a |
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21-Jul-2006 |
Panagiotis Issaris <takis@issaris.org> |
[NET]: Conversions from kmalloc+memset to k(z|c)alloc. Signed-off-by: Panagiotis Issaris <takis@issaris.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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6ab3d5624e172c553004ecc862bfeac16d9d68b7 |
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30-Jun-2006 |
Jörn Engel <joern@wohnheim.fh-wedel.de> |
Remove obsolete #include <linux/config.h> Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
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83b950c89c8cc0dcc1b079c638be25915c9945f1 |
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07-Apr-2006 |
Jamal Hadi Salim <hadi@cyberus.ca> |
[PKT_SCHED] act_police: Rename methods. Rename policer specific _generic_ methods to be specific to _act_police_ Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
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4bba3925924148c24fb0c7636a04ad69a6a56b84 |
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09-Jan-2006 |
Patrick McHardy <kaber@trash.net> |
[PKT_SCHED]: Prefix tc actions with act_ Clean up the net/sched directory a bit by prefix all actions with act_. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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