netfilter: hashlimit: move rateinfo initialization to helper

followup patch would bloat main match function too much.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index 2195eb0..b6bbd06 100644 (file)
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -407,6 +407,15 @@ static void rateinfo_recalc(struct dsthash_ent *dh, unsigned long now)
        dh->rateinfo.prev = now;
 }
 
+static void rateinfo_init(struct dsthash_ent *dh,
+                         struct xt_hashlimit_htable *hinfo)
+{
+       dh->rateinfo.prev = jiffies;
+       dh->rateinfo.credit = user2credits(hinfo->cfg.avg * hinfo->cfg.burst);
+       dh->rateinfo.cost = user2credits(hinfo->cfg.avg);
+       dh->rateinfo.credit_cap = dh->rateinfo.credit;
+}
+
 static inline __be32 maskl(__be32 a, unsigned int l)
 {
        return l ? htonl(ntohl(a) & ~0 << (32 - l)) : 0;
@@ -531,11 +540,7 @@ hashlimit_mt(const struct sk_buff *skb, struct xt_action_param *par)
                        goto hotdrop;
                }
                dh->expires = jiffies + msecs_to_jiffies(hinfo->cfg.expire);
-               dh->rateinfo.prev = jiffies;
-               dh->rateinfo.credit = user2credits(hinfo->cfg.avg *
-                                     hinfo->cfg.burst);
-               dh->rateinfo.credit_cap = dh->rateinfo.credit;
-               dh->rateinfo.cost = user2credits(hinfo->cfg.avg);
+               rateinfo_init(dh, hinfo);
        } else {
                /* update expiration timeout */
                dh->expires = now + msecs_to_jiffies(hinfo->cfg.expire);