diff options
Diffstat (limited to 'include/net/ip6_fib.h')
| -rw-r--r-- | include/net/ip6_fib.h | 49 |
1 files changed, 40 insertions, 9 deletions
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h index 10c913816032..5e86fd9dc857 100644 --- a/include/net/ip6_fib.h +++ b/include/net/ip6_fib.h @@ -129,6 +129,8 @@ struct rt6_exception { struct rt6_info { struct dst_entry dst; + struct rt6_info __rcu *rt6_next; + struct rt6_info *from; /* * Tail elements of dst_entry (__refcnt etc.) @@ -147,6 +149,7 @@ struct rt6_info { */ struct list_head rt6i_siblings; unsigned int rt6i_nsiblings; + atomic_t rt6i_nh_upper_bound; atomic_t rt6i_ref; @@ -168,19 +171,21 @@ struct rt6_info { u32 rt6i_metric; u32 rt6i_pmtu; /* more non-fragment space at head required */ + int rt6i_nh_weight; unsigned short rt6i_nfheader_len; u8 rt6i_protocol; u8 exception_bucket_flushed:1, - unused:7; + should_flush:1, + unused:6; }; #define for_each_fib6_node_rt_rcu(fn) \ for (rt = rcu_dereference((fn)->leaf); rt; \ - rt = rcu_dereference(rt->dst.rt6_next)) + rt = rcu_dereference(rt->rt6_next)) #define for_each_fib6_walker_rt(w) \ for (rt = (w)->leaf; rt; \ - rt = rcu_dereference_protected(rt->dst.rt6_next, 1)) + rt = rcu_dereference_protected(rt->rt6_next, 1)) static inline struct inet6_dev *ip6_dst_idev(struct dst_entry *dst) { @@ -203,11 +208,9 @@ static inline void rt6_update_expires(struct rt6_info *rt0, int timeout) { struct rt6_info *rt; - for (rt = rt0; rt && !(rt->rt6i_flags & RTF_EXPIRES); - rt = (struct rt6_info *)rt->dst.from); + for (rt = rt0; rt && !(rt->rt6i_flags & RTF_EXPIRES); rt = rt->from); if (rt && rt != rt0) rt0->dst.expires = rt->dst.expires; - dst_set_expires(&rt0->dst, timeout); rt0->rt6i_flags |= RTF_EXPIRES; } @@ -242,8 +245,8 @@ static inline u32 rt6_get_cookie(const struct rt6_info *rt) u32 cookie = 0; if (rt->rt6i_flags & RTF_PCPU || - (unlikely(!list_empty(&rt->rt6i_uncached)) && rt->dst.from)) - rt = (struct rt6_info *)(rt->dst.from); + (unlikely(!list_empty(&rt->rt6i_uncached)) && rt->from)) + rt = rt->from; rt6_get_cookie_safe(rt, &cookie); @@ -347,7 +350,8 @@ struct fib6_table { typedef struct rt6_info *(*pol_lookup_t)(struct net *, struct fib6_table *, - struct flowi6 *, int); + struct flowi6 *, + const struct sk_buff *, int); struct fib6_entry_notifier_info { struct fib_notifier_info info; /* must be first */ @@ -361,6 +365,7 @@ struct fib6_entry_notifier_info { struct fib6_table *fib6_get_table(struct net *net, u32 id); struct fib6_table *fib6_new_table(struct net *net, u32 id); struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi6 *fl6, + const struct sk_buff *skb, int flags, pol_lookup_t lookup); struct fib6_node *fib6_lookup(struct fib6_node *root, @@ -404,6 +409,7 @@ unsigned int fib6_tables_seq_read(struct net *net); int fib6_tables_dump(struct net *net, struct notifier_block *nb); void fib6_update_sernum(struct rt6_info *rt); +void fib6_update_sernum_upto_root(struct net *net, struct rt6_info *rt); #ifdef CONFIG_IPV6_MULTIPLE_TABLES int fib6_rules_init(void); @@ -411,6 +417,24 @@ void fib6_rules_cleanup(void); bool fib6_rule_default(const struct fib_rule *rule); int fib6_rules_dump(struct net *net, struct notifier_block *nb); unsigned int fib6_rules_seq_read(struct net *net); + +static inline bool fib6_rules_early_flow_dissect(struct net *net, + struct sk_buff *skb, + struct flowi6 *fl6, + struct flow_keys *flkeys) +{ + unsigned int flag = FLOW_DISSECTOR_F_STOP_AT_ENCAP; + + if (!net->ipv6.fib6_rules_require_fldissect) + return false; + + skb_flow_dissect_flow_keys(skb, flkeys, flag); + fl6->fl6_sport = flkeys->ports.src; + fl6->fl6_dport = flkeys->ports.dst; + fl6->flowi6_proto = flkeys->basic.ip_proto; + + return true; +} #else static inline int fib6_rules_init(void) { @@ -432,5 +456,12 @@ static inline unsigned int fib6_rules_seq_read(struct net *net) { return 0; } +static inline bool fib6_rules_early_flow_dissect(struct net *net, + struct sk_buff *skb, + struct flowi6 *fl6, + struct flow_keys *flkeys) +{ + return false; +} #endif #endif |