X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/e979362991e95a1845cbd1aed1ac07df6455672b..9e04630d3953264b1faad9f4336d0b1d6f76e191:/target/linux/generic-2.6/patches-2.6.29/110-netfilter_match_speedup.patch 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 index fddf81c3e..91261d8c1 100644 --- 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 @@ -20,7 +20,7 @@ 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 +150,32 @@ ip_packet_match(const struct iphdr *ip, +@@ -147,13 +150,35 @@ ip_packet_match(const struct iphdr *ip, return false; } @@ -45,6 +45,9 @@ + 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; + @@ -55,7 +58,7 @@ duprintf("Unknown flag bits set: %08X\n", ip->flags & ~IPT_F_MASK); return false; -@@ -163,6 +185,8 @@ ip_checkentry(const struct ipt_ip *ip) +@@ -163,6 +188,8 @@ ip_checkentry(const struct ipt_ip *ip) ip->invflags & ~IPT_INV_MASK); return false; } @@ -64,7 +67,7 @@ return true; } -@@ -210,7 +234,6 @@ unconditional(const struct ipt_ip *ip) +@@ -210,7 +237,6 @@ unconditional(const struct ipt_ip *ip) return 0; return 1; @@ -72,3 +75,45 @@ } #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]); +