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Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.29/110-netfilter_match_speedup.patch')
-rw-r--r--target/linux/generic-2.6/patches-2.6.29/110-netfilter_match_speedup.patch119
1 files changed, 0 insertions, 119 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.29/110-netfilter_match_speedup.patch b/target/linux/generic-2.6/patches-2.6.29/110-netfilter_match_speedup.patch
deleted file mode 100644
index 91261d8c10..0000000000
--- a/target/linux/generic-2.6/patches-2.6.29/110-netfilter_match_speedup.patch
+++ /dev/null
@@ -1,119 +0,0 @@
---- a/include/linux/netfilter_ipv4/ip_tables.h
-+++ b/include/linux/netfilter_ipv4/ip_tables.h
-@@ -62,6 +62,7 @@ struct ipt_ip {
- #define IPT_F_FRAG 0x01 /* Set if rule is a fragment rule */
- #define IPT_F_GOTO 0x02 /* Set if jump is a goto */
- #define IPT_F_MASK 0x03 /* All possible flag bits mask. */
-+#define IPT_F_NO_DEF_MATCH 0x80 /* Internal: no default match rules present */
-
- /* Values for "inv" field in struct ipt_ip. */
- #define IPT_INV_VIA_IN 0x01 /* Invert the sense of IN IFACE. */
---- a/net/ipv4/netfilter/ip_tables.c
-+++ b/net/ipv4/netfilter/ip_tables.c
-@@ -88,6 +88,9 @@ ip_packet_match(const struct iphdr *ip,
-
- #define FWINV(bool, invflg) ((bool) ^ !!(ipinfo->invflags & (invflg)))
-
-+ if (ipinfo->flags & IPT_F_NO_DEF_MATCH)
-+ return true;
-+
- if (FWINV((ip->saddr&ipinfo->smsk.s_addr) != ipinfo->src.s_addr,
- IPT_INV_SRCIP)
- || FWINV((ip->daddr&ipinfo->dmsk.s_addr) != ipinfo->dst.s_addr,
-@@ -147,13 +150,35 @@ ip_packet_match(const struct iphdr *ip,
- return false;
- }
-
-+#undef FWINV
- return true;
- }
-
- static bool
--ip_checkentry(const struct ipt_ip *ip)
-+ip_checkentry(struct ipt_ip *ip)
- {
-- if (ip->flags & ~IPT_F_MASK) {
-+#define FWINV(bool, invflg) ((bool) || (ip->invflags & (invflg)))
-+
-+ if (FWINV(ip->smsk.s_addr, IPT_INV_SRCIP) ||
-+ FWINV(ip->dmsk.s_addr, IPT_INV_DSTIP))
-+ goto has_match_rules;
-+
-+ if (FWINV(!!((const unsigned long *)ip->iniface_mask)[0],
-+ IPT_INV_VIA_IN) ||
-+ FWINV(!!((const unsigned long *)ip->outiface_mask)[0],
-+ IPT_INV_VIA_OUT))
-+ goto has_match_rules;
-+
-+ if (FWINV(ip->proto, IPT_INV_PROTO))
-+ goto has_match_rules;
-+
-+ if (FWINV(ip->flags&IPT_F_FRAG, IPT_INV_FRAG))
-+ goto has_match_rules;
-+
-+ ip->flags |= IPT_F_NO_DEF_MATCH;
-+
-+has_match_rules:
-+ if (ip->flags & ~(IPT_F_MASK|IPT_F_NO_DEF_MATCH)) {
- duprintf("Unknown flag bits set: %08X\n",
- ip->flags & ~IPT_F_MASK);
- return false;
-@@ -163,6 +188,8 @@ ip_checkentry(const struct ipt_ip *ip)
- ip->invflags & ~IPT_INV_MASK);
- return false;
- }
-+
-+#undef FWINV
- return true;
- }
-
-@@ -210,7 +237,6 @@ unconditional(const struct ipt_ip *ip)
- return 0;
-
- return 1;
--#undef FWINV
- }
-
- #if defined(CONFIG_NETFILTER_XT_TARGET_TRACE) || \
-@@ -328,8 +354,27 @@ ipt_do_table(struct sk_buff *skb,
- struct xt_match_param mtpar;
- struct xt_target_param tgpar;
-
-- /* Initialization */
- ip = ip_hdr(skb);
-+
-+ read_lock_bh(&table->lock);
-+ IP_NF_ASSERT(table->valid_hooks & (1 << hook));
-+ private = table->private;
-+ table_base = (void *)private->entries[smp_processor_id()];
-+ e = get_entry(table_base, private->hook_entry[hook]);
-+ if (e->target_offset <= sizeof(struct ipt_entry) &&
-+ (e->ip.flags & IPT_F_NO_DEF_MATCH)) {
-+ struct ipt_entry_target *t = ipt_get_target(e);
-+ if (!t->u.kernel.target->target) {
-+ int v = ((struct ipt_standard_target *)t)->verdict;
-+ if ((v < 0) && (v != IPT_RETURN)) {
-+ ADD_COUNTER(e->counters, ntohs(ip->tot_len), 1);
-+ read_unlock_bh(&table->lock);
-+ return (unsigned)(-v) - 1;
-+ }
-+ }
-+ }
-+
-+ /* Initialization */
- datalen = skb->len - ip->ihl * 4;
- indev = in ? in->name : nulldevname;
- outdev = out ? out->name : nulldevname;
-@@ -347,12 +392,6 @@ ipt_do_table(struct sk_buff *skb,
- mtpar.family = tgpar.family = NFPROTO_IPV4;
- tgpar.hooknum = hook;
-
-- read_lock_bh(&table->lock);
-- IP_NF_ASSERT(table->valid_hooks & (1 << hook));
-- private = table->private;
-- table_base = (void *)private->entries[smp_processor_id()];
-- e = get_entry(table_base, private->hook_entry[hook]);
--
- /* For return from builtin chain */
- back = get_entry(table_base, private->underflow[hook]);
-