diff options
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/ip6_fib.h | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h index 1f8dc9d12abb..c73b985734f5 100644 --- a/include/net/ip6_fib.h +++ b/include/net/ip6_fib.h @@ -179,6 +179,7 @@ struct rt6_info { should_flush:1, unused:6; + unsigned long expires; struct dst_metrics *fib6_metrics; #define fib6_pmtu fib6_metrics->metrics[RTAX_MTU-1] struct fib6_nh fib6_nh; @@ -197,6 +198,26 @@ static inline struct inet6_dev *ip6_dst_idev(struct dst_entry *dst) return ((struct rt6_info *)dst)->rt6i_idev; } +static inline void fib6_clean_expires(struct rt6_info *f6i) +{ + f6i->rt6i_flags &= ~RTF_EXPIRES; + f6i->expires = 0; +} + +static inline void fib6_set_expires(struct rt6_info *f6i, + unsigned long expires) +{ + f6i->expires = expires; + f6i->rt6i_flags |= RTF_EXPIRES; +} + +static inline bool fib6_check_expired(const struct rt6_info *f6i) +{ + if (f6i->rt6i_flags & RTF_EXPIRES) + return time_after(jiffies, f6i->expires); + return false; +} + static inline void rt6_clean_expires(struct rt6_info *rt) { rt->rt6i_flags &= ~RTF_EXPIRES; @@ -211,11 +232,9 @@ static inline void rt6_set_expires(struct rt6_info *rt, unsigned long expires) static inline void rt6_update_expires(struct rt6_info *rt0, int timeout) { - struct rt6_info *rt; + if (!(rt0->rt6i_flags & RTF_EXPIRES) && rt0->from) + rt0->dst.expires = rt0->from->expires; - 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; } |