From ef53d702c3614fb919e8a8291033e3dbccfd1aea Mon Sep 17 00:00:00 2001 From: Jan Engelhardt Date: Thu, 9 Jul 2009 19:14:18 +0200 Subject: [PATCH] netfilter: xtables: dissolve do_match function Signed-off-by: Jan Engelhardt --- net/ipv4/netfilter/ip_tables.c | 22 +++++----------------- net/ipv6/netfilter/ip6_tables.c | 22 +++++----------------- 2 files changed, 10 insertions(+), 34 deletions(-) diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c index f92818f76671..265cedf88660 100644 --- a/net/ipv4/netfilter/ip_tables.c +++ b/net/ipv4/netfilter/ip_tables.c @@ -173,21 +173,6 @@ ipt_error(struct sk_buff *skb, const struct xt_target_param *par) return NF_DROP; } -/* Performance critical - called for every packet */ -static inline bool -do_match(const struct ipt_entry_match *m, const struct sk_buff *skb, - struct xt_match_param *par) -{ - par->match = m->u.kernel.match; - par->matchinfo = m->data; - - /* Stop iteration if it doesn't match */ - if (!m->u.kernel.match->match(skb, par)) - return true; - else - return false; -} - /* Performance critical */ static inline struct ipt_entry * get_entry(const void *base, unsigned int offset) @@ -379,9 +364,12 @@ ipt_do_table(struct sk_buff *skb, continue; } - xt_ematch_foreach(ematch, e) - if (do_match(ematch, skb, &mtpar) != 0) + xt_ematch_foreach(ematch, e) { + mtpar.match = ematch->u.kernel.match; + mtpar.matchinfo = ematch->data; + if (!mtpar.match->match(skb, &mtpar)) goto no_match; + } ADD_COUNTER(e->counters, ntohs(ip->tot_len), 1); diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c index 7afa11773164..f8ac4a0b5899 100644 --- a/net/ipv6/netfilter/ip6_tables.c +++ b/net/ipv6/netfilter/ip6_tables.c @@ -205,21 +205,6 @@ ip6t_error(struct sk_buff *skb, const struct xt_target_param *par) return NF_DROP; } -/* Performance critical - called for every packet */ -static inline bool -do_match(const struct ip6t_entry_match *m, const struct sk_buff *skb, - struct xt_match_param *par) -{ - par->match = m->u.kernel.match; - par->matchinfo = m->data; - - /* Stop iteration if it doesn't match */ - if (!m->u.kernel.match->match(skb, par)) - return true; - else - return false; -} - static inline struct ip6t_entry * get_entry(const void *base, unsigned int offset) { @@ -402,9 +387,12 @@ ip6t_do_table(struct sk_buff *skb, continue; } - xt_ematch_foreach(ematch, e) - if (do_match(ematch, skb, &mtpar) != 0) + xt_ematch_foreach(ematch, e) { + mtpar.match = ematch->u.kernel.match; + mtpar.matchinfo = ematch->data; + if (!mtpar.match->match(skb, &mtpar)) goto no_match; + } ADD_COUNTER(e->counters, ntohs(ipv6_hdr(skb)->payload_len) + -- 2.20.1