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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>
This commit is contained in:
Florian Westphal 2012-05-07 10:51:44 +00:00 committed by Pablo Neira Ayuso
parent 7a909ac70f
commit 817e076f61
1 changed files with 10 additions and 5 deletions
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15
net/netfilter/xt_hashlimit.c
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@ -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);