diff options
Diffstat (limited to 'include/net/sch_generic.h')
| -rw-r--r-- | include/net/sch_generic.h | 56 |
1 files changed, 47 insertions, 9 deletions
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index 498f81b229a4..1c123e2b2415 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -8,6 +8,8 @@ #include <linux/pkt_cls.h> #include <linux/percpu.h> #include <linux/dynamic_queue_limits.h> +#include <linux/list.h> +#include <linux/refcount.h> #include <net/gen_stats.h> #include <net/rtnetlink.h> @@ -66,6 +68,7 @@ struct Qdisc { #define TCQ_F_NOPARENT 0x40 /* root of its hierarchy : * qdisc_tree_decrease_qlen() should stop. */ +#define TCQ_F_INVISIBLE 0x80 /* invisible by default in dump */ u32 limit; const struct Qdisc_ops *ops; struct qdisc_size_table __rcu *stab; @@ -93,7 +96,7 @@ struct Qdisc { struct sk_buff *skb_bad_txq; struct rcu_head rcu_head; int padded; - atomic_t refcnt; + refcount_t refcnt; spinlock_t busylock ____cacheline_aligned_in_smp; }; @@ -152,7 +155,7 @@ struct Qdisc_class_ops { void (*walk)(struct Qdisc *, struct qdisc_walker * arg); /* Filter manipulation */ - struct tcf_proto __rcu ** (*tcf_chain)(struct Qdisc *, unsigned long); + struct tcf_block * (*tcf_block)(struct Qdisc *, unsigned long); bool (*tcf_cl_offload)(u32 classid); unsigned long (*bind_tcf)(struct Qdisc *, unsigned long, u32 classid); @@ -191,8 +194,13 @@ struct Qdisc_ops { struct tcf_result { - unsigned long class; - u32 classid; + union { + struct { + unsigned long class; + u32 classid; + }; + const struct tcf_proto *goto_tp; + }; }; struct tcf_proto_ops { @@ -203,14 +211,14 @@ struct tcf_proto_ops { const struct tcf_proto *, struct tcf_result *); int (*init)(struct tcf_proto*); - bool (*destroy)(struct tcf_proto*, bool); + void (*destroy)(struct tcf_proto*); unsigned long (*get)(struct tcf_proto*, u32 handle); int (*change)(struct net *net, struct sk_buff *, struct tcf_proto*, unsigned long, u32 handle, struct nlattr **, unsigned long *, bool); - int (*delete)(struct tcf_proto*, unsigned long); + int (*delete)(struct tcf_proto*, unsigned long, bool*); void (*walk)(struct tcf_proto*, struct tcf_walker *arg); /* rtnetlink specific */ @@ -235,6 +243,7 @@ struct tcf_proto { struct Qdisc *q; void *data; const struct tcf_proto_ops *ops; + struct tcf_chain *chain; struct rcu_head rcu; }; @@ -246,6 +255,19 @@ struct qdisc_skb_cb { unsigned char data[QDISC_CB_PRIV_LEN]; }; +struct tcf_chain { + struct tcf_proto __rcu *filter_chain; + struct tcf_proto __rcu **p_filter_chain; + struct list_head list; + struct tcf_block *block; + u32 index; /* chain index */ + unsigned int refcnt; +}; + +struct tcf_block { + struct list_head chain_list; +}; + static inline void qdisc_cb_private_validate(const struct sk_buff *skb, int sz) { struct qdisc_skb_cb *qcb; @@ -405,19 +427,35 @@ struct Qdisc *qdisc_create_dflt(struct netdev_queue *dev_queue, const struct Qdisc_ops *ops, u32 parentid); void __qdisc_calculate_pkt_len(struct sk_buff *skb, const struct qdisc_size_table *stab); -bool tcf_destroy(struct tcf_proto *tp, bool force); -void tcf_destroy_chain(struct tcf_proto __rcu **fl); int skb_do_redirect(struct sk_buff *); +static inline void skb_reset_tc(struct sk_buff *skb) +{ +#ifdef CONFIG_NET_CLS_ACT + skb->tc_redirected = 0; +#endif +} + static inline bool skb_at_tc_ingress(const struct sk_buff *skb) { #ifdef CONFIG_NET_CLS_ACT - return G_TC_AT(skb->tc_verd) & AT_INGRESS; + return skb->tc_at_ingress; #else return false; #endif } +static inline bool skb_skip_tc_classify(struct sk_buff *skb) +{ +#ifdef CONFIG_NET_CLS_ACT + if (skb->tc_skip_classify) { + skb->tc_skip_classify = 0; + return true; + } +#endif + return false; +} + /* Reset all TX qdiscs greater then index of a device. */ static inline void qdisc_reset_all_tx_gt(struct net_device *dev, unsigned int i) { |