diff options
Diffstat (limited to 'net/sched')
34 files changed, 99 insertions, 10 deletions
diff --git a/net/sched/Kconfig b/net/sched/Kconfig index 21f9c7678aa3..2f691fb180d1 100644 --- a/net/sched/Kconfig +++ b/net/sched/Kconfig @@ -328,13 +328,16 @@ config NET_CLS_FLOW module will be called cls_flow. config NET_CLS_CGROUP - bool "Control Group Classifier" + tristate "Control Group Classifier" select NET_CLS depends on CGROUPS ---help--- Say Y here if you want to classify packets based on the control cgroup of their process. + To compile this code as a module, choose M here: the + module will be called cls_cgroup. + config NET_EMATCH bool "Extended Matches" select NET_CLS diff --git a/net/sched/act_api.c b/net/sched/act_api.c index 64f5e328cee9..d8e0171d9a4b 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -15,6 +15,7 @@ #include <linux/kernel.h> #include <linux/string.h> #include <linux/errno.h> +#include <linux/slab.h> #include <linux/skbuff.h> #include <linux/init.h> #include <linux/kmod.h> diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c index 082c520b0def..da27a170b6b7 100644 --- a/net/sched/act_ipt.c +++ b/net/sched/act_ipt.c @@ -19,6 +19,7 @@ #include <linux/rtnetlink.h> #include <linux/module.h> #include <linux/init.h> +#include <linux/slab.h> #include <net/netlink.h> #include <net/pkt_sched.h> #include <linux/tc_act/tc_ipt.h> diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c index d329170243cb..c046682054eb 100644 --- a/net/sched/act_mirred.c +++ b/net/sched/act_mirred.c @@ -20,6 +20,7 @@ #include <linux/rtnetlink.h> #include <linux/module.h> #include <linux/init.h> +#include <linux/gfp.h> #include <net/net_namespace.h> #include <net/netlink.h> #include <net/pkt_sched.h> diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c index 6b0359a500e6..b7dcfedc802e 100644 --- a/net/sched/act_pedit.c +++ b/net/sched/act_pedit.c @@ -17,6 +17,7 @@ #include <linux/rtnetlink.h> #include <linux/module.h> #include <linux/init.h> +#include <linux/slab.h> #include <net/netlink.h> #include <net/pkt_sched.h> #include <linux/tc_act/tc_pedit.h> diff --git a/net/sched/act_police.c b/net/sched/act_police.c index 723964c3ee4f..654f73dff7c1 100644 --- a/net/sched/act_police.c +++ b/net/sched/act_police.c @@ -18,6 +18,7 @@ #include <linux/skbuff.h> #include <linux/rtnetlink.h> #include <linux/init.h> +#include <linux/slab.h> #include <net/act_api.h> #include <net/netlink.h> diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c index 8daa1ebc7413..622ca809c15c 100644 --- a/net/sched/act_simple.c +++ b/net/sched/act_simple.c @@ -11,6 +11,7 @@ */ #include <linux/module.h> +#include <linux/slab.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/skbuff.h> diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index 3725d8fa29db..f082b27ff46d 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -24,6 +24,7 @@ #include <linux/kmod.h> #include <linux/netlink.h> #include <linux/err.h> +#include <linux/slab.h> #include <net/net_namespace.h> #include <net/sock.h> #include <net/netlink.h> diff --git a/net/sched/cls_basic.c b/net/sched/cls_basic.c index 4e2bda854119..efd4f95fd050 100644 --- a/net/sched/cls_basic.c +++ b/net/sched/cls_basic.c @@ -10,6 +10,7 @@ */ #include <linux/module.h> +#include <linux/slab.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/string.h> diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c index e4877ca6727c..221180384fd7 100644 --- a/net/sched/cls_cgroup.c +++ b/net/sched/cls_cgroup.c @@ -10,6 +10,7 @@ */ #include <linux/module.h> +#include <linux/slab.h> #include <linux/types.h> #include <linux/string.h> #include <linux/errno.h> @@ -24,6 +25,25 @@ struct cgroup_cls_state u32 classid; }; +static struct cgroup_subsys_state *cgrp_create(struct cgroup_subsys *ss, + struct cgroup *cgrp); +static void cgrp_destroy(struct cgroup_subsys *ss, struct cgroup *cgrp); +static int cgrp_populate(struct cgroup_subsys *ss, struct cgroup *cgrp); + +struct cgroup_subsys net_cls_subsys = { + .name = "net_cls", + .create = cgrp_create, + .destroy = cgrp_destroy, + .populate = cgrp_populate, +#ifdef CONFIG_NET_CLS_CGROUP + .subsys_id = net_cls_subsys_id, +#else +#define net_cls_subsys_id net_cls_subsys.subsys_id +#endif + .module = THIS_MODULE, +}; + + static inline struct cgroup_cls_state *cgrp_cls_state(struct cgroup *cgrp) { return container_of(cgroup_subsys_state(cgrp, net_cls_subsys_id), @@ -79,14 +99,6 @@ static int cgrp_populate(struct cgroup_subsys *ss, struct cgroup *cgrp) return cgroup_add_files(cgrp, ss, ss_files, ARRAY_SIZE(ss_files)); } -struct cgroup_subsys net_cls_subsys = { - .name = "net_cls", - .create = cgrp_create, - .destroy = cgrp_destroy, - .populate = cgrp_populate, - .subsys_id = net_cls_subsys_id, -}; - struct cls_cgroup_head { u32 handle; @@ -277,12 +289,19 @@ static struct tcf_proto_ops cls_cgroup_ops __read_mostly = { static int __init init_cgroup_cls(void) { - return register_tcf_proto_ops(&cls_cgroup_ops); + int ret = register_tcf_proto_ops(&cls_cgroup_ops); + if (ret) + return ret; + ret = cgroup_load_subsys(&net_cls_subsys); + if (ret) + unregister_tcf_proto_ops(&cls_cgroup_ops); + return ret; } static void __exit exit_cgroup_cls(void) { unregister_tcf_proto_ops(&cls_cgroup_ops); + cgroup_unload_subsys(&net_cls_subsys); } module_init(init_cgroup_cls); diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c index e054c62857e1..6ed61b10e002 100644 --- a/net/sched/cls_flow.c +++ b/net/sched/cls_flow.c @@ -20,6 +20,7 @@ #include <linux/ip.h> #include <linux/ipv6.h> #include <linux/if_vlan.h> +#include <linux/slab.h> #include <net/pkt_cls.h> #include <net/ip.h> diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c index 6d6e87585fb1..93b0a7b6f9b4 100644 --- a/net/sched/cls_fw.c +++ b/net/sched/cls_fw.c @@ -19,6 +19,7 @@ */ #include <linux/module.h> +#include <linux/slab.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/string.h> diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c index dd872d5383ef..694dcd85dec8 100644 --- a/net/sched/cls_route.c +++ b/net/sched/cls_route.c @@ -10,6 +10,7 @@ */ #include <linux/module.h> +#include <linux/slab.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/string.h> diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c index e806f2314b5e..20ef330bb918 100644 --- a/net/sched/cls_tcindex.c +++ b/net/sched/cls_tcindex.c @@ -9,6 +9,7 @@ #include <linux/kernel.h> #include <linux/skbuff.h> #include <linux/errno.h> +#include <linux/slab.h> #include <net/act_api.h> #include <net/netlink.h> #include <net/pkt_cls.h> diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c index 07372f60bee3..17c5dfc67320 100644 --- a/net/sched/cls_u32.c +++ b/net/sched/cls_u32.c @@ -31,6 +31,7 @@ */ #include <linux/module.h> +#include <linux/slab.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/string.h> diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c index 24dce8b648a4..3bcac8aa333c 100644 --- a/net/sched/em_meta.c +++ b/net/sched/em_meta.c @@ -58,6 +58,7 @@ * only available if that subsystem is enabled in the kernel. */ +#include <linux/slab.h> #include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> diff --git a/net/sched/em_nbyte.c b/net/sched/em_nbyte.c index 370a1b2ea317..1a4176aee6e5 100644 --- a/net/sched/em_nbyte.c +++ b/net/sched/em_nbyte.c @@ -9,6 +9,7 @@ * Authors: Thomas Graf <tgraf@suug.ch> */ +#include <linux/gfp.h> #include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> diff --git a/net/sched/em_text.c b/net/sched/em_text.c index 853c5ead87fd..763253257411 100644 --- a/net/sched/em_text.c +++ b/net/sched/em_text.c @@ -9,6 +9,7 @@ * Authors: Thomas Graf <tgraf@suug.ch> */ +#include <linux/slab.h> #include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> diff --git a/net/sched/ematch.c b/net/sched/ematch.c index aab59409728b..e782bdeedc58 100644 --- a/net/sched/ematch.c +++ b/net/sched/ematch.c @@ -82,6 +82,7 @@ */ #include <linux/module.h> +#include <linux/slab.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/errno.h> diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 75fd1c672c61..145268ca57cf 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -28,6 +28,7 @@ #include <linux/list.h> #include <linux/hrtimer.h> #include <linux/lockdep.h> +#include <linux/slab.h> #include <net/net_namespace.h> #include <net/sock.h> @@ -1707,6 +1708,7 @@ static int __init pktsched_init(void) { register_qdisc(&pfifo_qdisc_ops); register_qdisc(&bfifo_qdisc_ops); + register_qdisc(&pfifo_head_drop_qdisc_ops); register_qdisc(&mq_qdisc_ops); proc_net_fops_create(&init_net, "psched", 0, &psched_fops); diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c index ab82f145f689..fcbb86a486a2 100644 --- a/net/sched/sch_atm.c +++ b/net/sched/sch_atm.c @@ -3,6 +3,7 @@ /* Written 1998-2000 by Werner Almesberger, EPFL ICA */ #include <linux/module.h> +#include <linux/slab.h> #include <linux/init.h> #include <linux/string.h> #include <linux/errno.h> diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c index 3846d65bc03e..28c01ef5abc8 100644 --- a/net/sched/sch_cbq.c +++ b/net/sched/sch_cbq.c @@ -11,6 +11,7 @@ */ #include <linux/module.h> +#include <linux/slab.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/string.h> diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c index a65604f8f2b8..b74046a95397 100644 --- a/net/sched/sch_drr.c +++ b/net/sched/sch_drr.c @@ -9,6 +9,7 @@ */ #include <linux/module.h> +#include <linux/slab.h> #include <linux/init.h> #include <linux/errno.h> #include <linux/netdevice.h> diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c index d303daa45d49..63d41f86679c 100644 --- a/net/sched/sch_dsmark.c +++ b/net/sched/sch_dsmark.c @@ -5,6 +5,7 @@ #include <linux/module.h> #include <linux/init.h> +#include <linux/slab.h> #include <linux/types.h> #include <linux/string.h> #include <linux/errno.h> diff --git a/net/sched/sch_fifo.c b/net/sched/sch_fifo.c index 69188e8358b4..5948bafa8ce2 100644 --- a/net/sched/sch_fifo.c +++ b/net/sched/sch_fifo.c @@ -10,6 +10,7 @@ */ #include <linux/module.h> +#include <linux/slab.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/errno.h> @@ -43,6 +44,26 @@ static int pfifo_enqueue(struct sk_buff *skb, struct Qdisc* sch) return qdisc_reshape_fail(skb, sch); } +static int pfifo_tail_enqueue(struct sk_buff *skb, struct Qdisc* sch) +{ + struct sk_buff *skb_head; + struct fifo_sched_data *q = qdisc_priv(sch); + + if (likely(skb_queue_len(&sch->q) < q->limit)) + return qdisc_enqueue_tail(skb, sch); + + /* queue full, remove one skb to fulfill the limit */ + skb_head = qdisc_dequeue_head(sch); + sch->bstats.bytes -= qdisc_pkt_len(skb_head); + sch->bstats.packets--; + sch->qstats.drops++; + kfree_skb(skb_head); + + qdisc_enqueue_tail(skb, sch); + + return NET_XMIT_CN; +} + static int fifo_init(struct Qdisc *sch, struct nlattr *opt) { struct fifo_sched_data *q = qdisc_priv(sch); @@ -108,6 +129,20 @@ struct Qdisc_ops bfifo_qdisc_ops __read_mostly = { }; EXPORT_SYMBOL(bfifo_qdisc_ops); +struct Qdisc_ops pfifo_head_drop_qdisc_ops __read_mostly = { + .id = "pfifo_head_drop", + .priv_size = sizeof(struct fifo_sched_data), + .enqueue = pfifo_tail_enqueue, + .dequeue = qdisc_dequeue_head, + .peek = qdisc_peek_head, + .drop = qdisc_queue_drop_head, + .init = fifo_init, + .reset = qdisc_reset_queue, + .change = fifo_init, + .dump = fifo_dump, + .owner = THIS_MODULE, +}; + /* Pass size change message down to embedded FIFO */ int fifo_set_limit(struct Qdisc *q, unsigned int limit) { diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 5173c1e1b19c..ff4dd53eeff0 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -24,6 +24,7 @@ #include <linux/init.h> #include <linux/rcupdate.h> #include <linux/list.h> +#include <linux/slab.h> #include <net/pkt_sched.h> /* Main transmission queue. */ diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c index 40408d595c08..51dcc2aa5c92 100644 --- a/net/sched/sch_gred.c +++ b/net/sched/sch_gred.c @@ -18,6 +18,7 @@ * For all the glorious comments look at include/net/red.h */ +#include <linux/slab.h> #include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c index 508cf5f3a6d5..0b52b8de562c 100644 --- a/net/sched/sch_htb.c +++ b/net/sched/sch_htb.c @@ -36,6 +36,7 @@ #include <linux/compiler.h> #include <linux/rbtree.h> #include <linux/workqueue.h> +#include <linux/slab.h> #include <net/netlink.h> #include <net/pkt_sched.h> diff --git a/net/sched/sch_mq.c b/net/sched/sch_mq.c index d1dea3d5dc92..b2aba3f5e6fa 100644 --- a/net/sched/sch_mq.c +++ b/net/sched/sch_mq.c @@ -9,6 +9,7 @@ */ #include <linux/types.h> +#include <linux/slab.h> #include <linux/kernel.h> #include <linux/string.h> #include <linux/errno.h> diff --git a/net/sched/sch_multiq.c b/net/sched/sch_multiq.c index 7db2c88ce585..c50876cd8704 100644 --- a/net/sched/sch_multiq.c +++ b/net/sched/sch_multiq.c @@ -18,6 +18,7 @@ */ #include <linux/module.h> +#include <linux/slab.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/string.h> diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index d8b10e054627..4714ff162bbd 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -14,6 +14,7 @@ */ #include <linux/module.h> +#include <linux/slab.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/errno.h> diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c index 93285cecb246..81672e0c1b25 100644 --- a/net/sched/sch_prio.c +++ b/net/sched/sch_prio.c @@ -12,6 +12,7 @@ */ #include <linux/module.h> +#include <linux/slab.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/string.h> diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c index cb21380c0605..c5a9ac566007 100644 --- a/net/sched/sch_sfq.c +++ b/net/sched/sch_sfq.c @@ -20,6 +20,7 @@ #include <linux/ipv6.h> #include <linux/skbuff.h> #include <linux/jhash.h> +#include <linux/slab.h> #include <net/ip.h> #include <net/netlink.h> #include <net/pkt_sched.h> diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c index db69637069c4..3415b6ce1c0a 100644 --- a/net/sched/sch_teql.c +++ b/net/sched/sch_teql.c @@ -11,6 +11,7 @@ #include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> +#include <linux/slab.h> #include <linux/string.h> #include <linux/errno.h> #include <linux/if_arp.h> |