diff options
Diffstat (limited to 'include/net/sch_generic.h')
-rw-r--r-- | include/net/sch_generic.h | 35 |
1 files changed, 15 insertions, 20 deletions
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index 21f434f3ac9e..1430cc4a27a3 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -13,6 +13,7 @@ #include <linux/refcount.h> #include <linux/workqueue.h> #include <linux/mutex.h> +#include <linux/hashtable.h> #include <net/gen_stats.h> #include <net/rtnetlink.h> @@ -151,8 +152,8 @@ static inline bool qdisc_is_percpu_stats(const struct Qdisc *q) static inline bool qdisc_is_empty(const struct Qdisc *qdisc) { if (qdisc_is_percpu_stats(qdisc)) - return qdisc->empty; - return !qdisc->q.qlen; + return READ_ONCE(qdisc->empty); + return !READ_ONCE(qdisc->q.qlen); } static inline bool qdisc_run_begin(struct Qdisc *qdisc) @@ -160,7 +161,7 @@ static inline bool qdisc_run_begin(struct Qdisc *qdisc) if (qdisc->flags & TCQ_F_NOLOCK) { if (!spin_trylock(&qdisc->seqlock)) return false; - qdisc->empty = false; + WRITE_ONCE(qdisc->empty, false); } else if (qdisc_is_running(qdisc)) { return false; } @@ -315,7 +316,8 @@ struct tcf_proto_ops { int (*reoffload)(struct tcf_proto *tp, bool add, tc_setup_cb_t *cb, void *cb_priv, struct netlink_ext_ack *extack); - void (*bind_class)(void *, u32, unsigned long); + void (*bind_class)(void *, u32, unsigned long, + void *, unsigned long); void * (*tmplt_create)(struct net *net, struct tcf_chain *chain, struct nlattr **tca, @@ -361,6 +363,7 @@ struct tcf_proto { bool deleting; refcount_t refcnt; struct rcu_head rcu; + struct hlist_node destroy_ht_node; }; struct qdisc_skb_cb { @@ -398,6 +401,7 @@ struct tcf_block { struct mutex lock; struct list_head chain_list; u32 index; /* block index for shared blocks */ + u32 classid; /* which class this block belongs to */ refcount_t refcnt; struct net *net; struct Qdisc *q; @@ -411,6 +415,8 @@ struct tcf_block { struct list_head filter_chain_list; } chain0; struct rcu_head rcu; + DECLARE_HASHTABLE(proto_destroy_ht, 7); + struct mutex proto_destroy_lock; /* Lock for proto_destroy hashtable. */ }; #ifdef CONFIG_PROVE_LOCKING @@ -522,6 +528,11 @@ static inline struct Qdisc *qdisc_root(const struct Qdisc *qdisc) return q; } +static inline struct Qdisc *qdisc_root_bh(const struct Qdisc *qdisc) +{ + return rcu_dereference_bh(qdisc->dev_queue->qdisc); +} + static inline struct Qdisc *qdisc_root_sleeping(const struct Qdisc *qdisc) { return qdisc->dev_queue->qdisc_sleeping; @@ -688,22 +699,6 @@ void __qdisc_calculate_pkt_len(struct sk_buff *skb, const struct qdisc_size_table *stab); 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_is_tc_redirected(const struct sk_buff *skb) -{ -#ifdef CONFIG_NET_CLS_ACT - return skb->tc_redirected; -#else - return false; -#endif -} - static inline bool skb_at_tc_ingress(const struct sk_buff *skb) { #ifdef CONFIG_NET_CLS_ACT |