diff options
| author | Florian Westphal <fw@strlen.de> | 2012-05-07 12:51:43 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2012-05-09 12:54:06 +0200 |
| commit | 7a909ac70f6b0823d9f23a43f19598d4b57ac901 (patch) | |
| tree | 50802cd6633ab06b3076615de771bde7ae5bb361 /net | |
| parent | netfilter: add xt_hmark target for hash-based skb marking (diff) | |
| download | linux-7a909ac70f6b0823d9f23a43f19598d4b57ac901.tar.xz linux-7a909ac70f6b0823d9f23a43f19598d4b57ac901.zip | |
netfilter: limit, hashlimit: avoid duplicated inline
credit_cap can be set to credit, which avoids inlining user2credits
twice. Also, remove inline keyword and let compiler decide.
old:
684 192 0 876 36c net/netfilter/xt_limit.o
4927 344 32 5303 14b7 net/netfilter/xt_hashlimit.o
now:
668 192 0 860 35c net/netfilter/xt_limit.o
4793 344 32 5169 1431 net/netfilter/xt_hashlimit.o
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/netfilter/xt_hashlimit.c | 8 | ||||
| -rw-r--r-- | net/netfilter/xt_limit.c | 5 |
2 files changed, 5 insertions, 8 deletions
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c index d95f9c963cde..2195eb0727a3 100644 --- a/net/netfilter/xt_hashlimit.c +++ b/net/netfilter/xt_hashlimit.c @@ -389,8 +389,7 @@ static void htable_put(struct xt_hashlimit_htable *hinfo) #define CREDITS_PER_JIFFY POW2_BELOW32(MAX_CPJ) /* Precision saver. */ -static inline u_int32_t -user2credits(u_int32_t user) +static u32 user2credits(u32 user) { /* If multiplying would overflow... */ if (user > 0xFFFFFFFF / (HZ*CREDITS_PER_JIFFY)) @@ -400,7 +399,7 @@ user2credits(u_int32_t user) return (user * HZ * CREDITS_PER_JIFFY) / XT_HASHLIMIT_SCALE; } -static inline void rateinfo_recalc(struct dsthash_ent *dh, unsigned long now) +static void rateinfo_recalc(struct dsthash_ent *dh, unsigned long now) { dh->rateinfo.credit += (now - dh->rateinfo.prev) * CREDITS_PER_JIFFY; if (dh->rateinfo.credit > dh->rateinfo.credit_cap) @@ -535,8 +534,7 @@ hashlimit_mt(const struct sk_buff *skb, struct xt_action_param *par) dh->rateinfo.prev = jiffies; dh->rateinfo.credit = user2credits(hinfo->cfg.avg * hinfo->cfg.burst); - dh->rateinfo.credit_cap = user2credits(hinfo->cfg.avg * - hinfo->cfg.burst); + dh->rateinfo.credit_cap = dh->rateinfo.credit; dh->rateinfo.cost = user2credits(hinfo->cfg.avg); } else { /* update expiration timeout */ diff --git a/net/netfilter/xt_limit.c b/net/netfilter/xt_limit.c index 32b7a579a032..5c22ce8ab309 100644 --- a/net/netfilter/xt_limit.c +++ b/net/netfilter/xt_limit.c @@ -88,8 +88,7 @@ limit_mt(const struct sk_buff *skb, struct xt_action_param *par) } /* Precision saver. */ -static u_int32_t -user2credits(u_int32_t user) +static u32 user2credits(u32 user) { /* If multiplying would overflow... */ if (user > 0xFFFFFFFF / (HZ*CREDITS_PER_JIFFY)) @@ -123,7 +122,7 @@ static int limit_mt_check(const struct xt_mtchk_param *par) 128. */ priv->prev = jiffies; priv->credit = user2credits(r->avg * r->burst); /* Credits full. */ - r->credit_cap = user2credits(r->avg * r->burst); /* Credits full. */ + r->credit_cap = priv->credit; /* Credits full. */ r->cost = user2credits(r->avg); } return 0; |