static unsigned int inet6_hash_frag(__be32 id, const struct in6_addr *saddr,
const struct in6_addr *daddr)
{
- u32 c;
-
net_get_random_once(&ip6_frags.rnd, sizeof(ip6_frags.rnd));
- c = jhash_3words(ipv6_addr_hash(saddr), ipv6_addr_hash(daddr),
- (__force u32)id, ip6_frags.rnd);
-
- return c & (INETFRAGS_HASHSZ - 1);
+ return jhash_3words(ipv6_addr_hash(saddr), ipv6_addr_hash(daddr),
+ (__force u32)id, ip6_frags.rnd);
}
-static unsigned int ip6_hashfn(struct inet_frag_queue *q)
+static unsigned int ip6_hashfn(const struct inet_frag_queue *q)
{
- struct frag_queue *fq;
+ const struct frag_queue *fq;
fq = container_of(q, struct frag_queue, q);
return inet6_hash_frag(fq->id, &fq->saddr, &fq->daddr);
}
-bool ip6_frag_match(struct inet_frag_queue *q, void *a)
+bool ip6_frag_match(const struct inet_frag_queue *q, const void *a)
{
- struct frag_queue *fq;
- struct ip6_create_arg *arg = a;
+ const struct frag_queue *fq;
+ const struct ip6_create_arg *arg = a;
fq = container_of(q, struct frag_queue, q);
return fq->id == arg->id &&
}
EXPORT_SYMBOL(ip6_frag_match);
-void ip6_frag_init(struct inet_frag_queue *q, void *a)
+void ip6_frag_init(struct inet_frag_queue *q, const void *a)
{
struct frag_queue *fq = container_of(q, struct frag_queue, q);
- struct ip6_create_arg *arg = a;
+ const struct ip6_create_arg *arg = a;
fq->id = arg->id;
fq->user = arg->user;
if (!dev)
goto out_rcu_unlock;
- IP6_INC_STATS_BH(net, __in6_dev_get(dev), IPSTATS_MIB_REASMTIMEOUT);
+ if (!(fq->q.last_in & INET_FRAG_EVICTED))
+ IP6_INC_STATS_BH(net, __in6_dev_get(dev),
+ IPSTATS_MIB_REASMTIMEOUT);
IP6_INC_STATS_BH(net, __in6_dev_get(dev), IPSTATS_MIB_REASMFAILS);
/* Don't send error if the first segment did not arrive. */
}
skb_dst_drop(skb);
- inet_frag_lru_move(&fq->q);
return -1;
discard_fq:
struct frag_queue *fq;
const struct ipv6hdr *hdr = ipv6_hdr(skb);
struct net *net = dev_net(skb_dst(skb)->dev);
- int evicted;
if (IP6CB(skb)->flags & IP6SKB_FRAGMENTED)
goto fail_hdr;
return 1;
}
- evicted = inet_frag_evictor(&net->ipv6.frags, &ip6_frags, false);
- if (evicted)
- IP6_ADD_STATS_BH(net, ip6_dst_idev(skb_dst(skb)),
- IPSTATS_MIB_REASMFAILS, evicted);
-
fq = fq_find(net, fhdr->identification, &hdr->saddr, &hdr->daddr,
ip6_frag_ecn(hdr));
if (fq != NULL) {
{ }
};
+/* secret interval has been deprecated */
+static int ip6_frags_secret_interval_unused;
static struct ctl_table ip6_frags_ctl_table[] = {
{
.procname = "ip6frag_secret_interval",
- .data = &ip6_frags.secret_interval,
+ .data = &ip6_frags_secret_interval_unused,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_jiffies,
ip6_frags.qsize = sizeof(struct frag_queue);
ip6_frags.match = ip6_frag_match;
ip6_frags.frag_expire = ip6_frag_expire;
- ip6_frags.secret_interval = 10 * 60 * HZ;
inet_frags_init(&ip6_frags);
out:
return ret;