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* [NET_SCHED]: Use nla_policy for attribute validation in packet schedulersPatrick McHardy2008-01-281-3/+8
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Use nla_nest_start/nla_nest_endPatrick McHardy2008-01-281-6/+6
| | | | | | | 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>
* [NET_SCHED]: Propagate nla_parse return valuePatrick McHardy2008-01-281-3/+7
| | | | | | | | 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>
* [NET_SCHED]: Convert packet schedulers from rtnetlink to new netlink APIPatrick McHardy2008-01-281-24/+25
| | | | | | | | | | | 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>
* [NET]: Move Qdisc_class_ops and Qdisc_ops in appropriate sections.Eric Dumazet2008-01-281-2/+2
| | | | | | | | | | Qdisc_class_ops are const, and Qdisc_ops are mostly read. Using "const" and "__read_mostly" qualifiers helps to reduce false sharing. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Cleanup L2T macros and handle oversized packetsJesper Dangaard Brouer2007-10-101-2/+2
| | | | | | | | | | | 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>
* [NET_SCHED]: Kill CONFIG_NET_CLS_POLICEPatrick McHardy2007-07-151-1/+1
| | | | | | | | | | 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>
* [NET_SCHED]: act_api: qdisc internal reclassify supportPatrick McHardy2007-07-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | The behaviour of NET_CLS_POLICE for TC_POLICE_RECLASSIFY was to return it to the qdisc, which could handle it internally or ignore it. With NET_CLS_ACT however, tc_classify starts over at the first classifier and never returns it to the qdisc. This makes it impossible to support qdisc-internal reclassification, which in turn makes it impossible to remove the old NET_CLS_POLICE code without breaking compatibility since we have two qdiscs (CBQ and ATM) that support this. This patch adds a tc_classify_compat function that handles reclassification the old way and changes CBQ and ATM to use it. This again is of course not fully backwards compatible with the previous NET_CLS_ACT behaviour. Unfortunately there is no way to fully maintain compatibility *and* support qdisc internal reclassification with NET_CLS_ACT, but this seems like the better choice over keeping the two incompatible options around forever. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Remove unnecessary includesPatrick McHardy2007-07-101-18/+1
| | | | | 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 McHardy2007-04-251-4/+3
| | | | | 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 McHardy2007-04-251-1/+1
| | | | | | | Also rename to psched_tdiff_bounded. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETLINK]: Use nlmsg_trim() where appropriateArnaldo Carvalho de Melo2007-04-251-1/+2
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Convert skb->tail to sk_buff_data_tArnaldo Carvalho de Melo2007-04-251-2/+2
| | | | | | | | | | | | | | | 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>
* [NET_SCHED]: sch_tbf: use hrtimer based watchdogPatrick McHardy2007-04-251-24/+7
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] SCHED: Fix whitespace errors.YOSHIFUJI Hideaki2007-02-101-3/+3
| | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Fix endless loops (part 5): netem/tbf/hfsc ->requeue failuresPatrick McHardy2006-12-021-1/+1
| | | | | | | | | | | | When peeking at the next packet in a child qdisc by calling dequeue/requeue, the upper qdisc qlen counter may get out of sync in case the requeue fails. The qdisc and the child qdisc both have their counter decremented, but since no packet is given to the upper qdisc it won't decrement its counter itself. requeue should not fail, so this is mostly for "correctness". Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Fix endless loops (part 2): "simple" qdiscsPatrick McHardy2006-12-021-2/+4
| | | | | | | | | | | | Convert the "simple" qdiscs to use qdisc_tree_decrease_qlen() where necessary: - all graft operations - destruction of old child qdiscs in prio, red and tbf change operation - purging of queue in sfq change operation Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Set parent classid in default qdiscsPatrick McHardy2006-12-021-3/+5
| | | | | | | | Set parent classids in default qdiscs to allow walking up the tree from outside the qdiscs. This is needed by the next patch. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* Remove obsolete #include <linux/config.h>Jörn Engel2006-06-301-1/+0
| | | | | Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* [PKT_SCHED]: Restore TBF change semanticPatrick McHardy2006-03-201-2/+3
| | | | | | | | | | | | | | | When TBF was converted to a classful qdisc, the semantic of the limit parameter was broken. On initilization an inner bfifo qdisc is created for backwards compatibility, when changing parameters however the new limit is ignored and the current child qdisc remains in place. Always replace the child qdisc by the default bfifo when limit is above zero, otherwise don't touch the inner qdisc. Current tc version enforce a limit above zero, other users can avoid creating the inner qdisc by using zero. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED]: Qdisc drop operation is optionalPatrick McHardy2006-03-201-2/+2
| | | | | | | The drop operation is optional and qdiscs must check if childs support it. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* Linux-2.6.12-rc2Linus Torvalds2005-04-161-0/+543
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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