diff options
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/inet_frag.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h index e0eec7450f15..3f237db0a426 100644 --- a/include/net/inet_frag.h +++ b/include/net/inet_frag.h @@ -6,6 +6,7 @@ struct netns_frags { int nqueues; struct list_head lru_list; + spinlock_t lru_lock; /* The percpu_counter "mem" need to be cacheline aligned. * mem.count must not share cacheline with other writers @@ -116,4 +117,25 @@ static inline int sum_frag_mem_limit(struct netns_frags *nf) return percpu_counter_sum_positive(&nf->mem); } +static inline void inet_frag_lru_move(struct inet_frag_queue *q) +{ + spin_lock(&q->net->lru_lock); + list_move_tail(&q->lru_list, &q->net->lru_list); + spin_unlock(&q->net->lru_lock); +} + +static inline void inet_frag_lru_del(struct inet_frag_queue *q) +{ + spin_lock(&q->net->lru_lock); + list_del(&q->lru_list); + spin_unlock(&q->net->lru_lock); +} + +static inline void inet_frag_lru_add(struct netns_frags *nf, + struct inet_frag_queue *q) +{ + spin_lock(&nf->lru_lock); + list_add_tail(&q->lru_list, &nf->lru_list); + spin_unlock(&nf->lru_lock); +} #endif |