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[kernel] 2.6.26: sync IMQ patch with 2.6.25

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11331 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2008-06-02 18:41:02 +00:00
parent bf02f3aa83
commit 2a22bd5e7e
1 changed files with 29 additions and 29 deletions
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58
target/linux/generic-2.6/patches-2.6.26/150-netfilter_imq.patch
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@ -1,6 +1,6 @@
--- /dev/null
+++ b/drivers/net/imq.c
@@ -0,0 +1,409 @@
@@ -0,0 +1,410 @@
+/*
+ * Pseudo-driver for the intermediate queue device.
+ *
@ -66,6 +66,7 @@
+#endif
+#include <linux/imq.h>
+#include <net/pkt_sched.h>
+#include <net/netfilter/nf_queue.h>
+
+extern int qdisc_restart1(struct net_device *dev);
+
@ -137,7 +138,7 @@
+/* called for packets kfree'd in qdiscs at places other than enqueue */
+static void imq_skb_destructor(struct sk_buff *skb)
+{
+ struct nf_info *info = skb->nf_info;
+ struct nf_queue_entry *info = skb->nf_queue_entry;
+
+ if (info) {
+ if (info->indev)
@ -159,17 +160,17 @@
+ skb->destructor = NULL;
+
+ dev->trans_start = jiffies;
+ nf_reinject(skb, skb->nf_info, NF_ACCEPT);
+ nf_reinject(skb->nf_queue_entry, NF_ACCEPT);
+ return 0;
+}
+
+static int imq_nf_queue(struct sk_buff *skb, struct nf_info *info, unsigned queue_num, void *data)
+static int imq_nf_queue(struct nf_queue_entry *info, unsigned queue_num)
+{
+ struct net_device *dev;
+ struct net_device_stats *stats;
+ struct sk_buff *skb2 = NULL;
+ struct Qdisc *q;
+ unsigned int index = skb->imq_flags&IMQ_F_IFMASK;
+ unsigned int index = info->skb->imq_flags&IMQ_F_IFMASK;
+ int ret = -1;
+
+ if (index > numdevs)
@ -177,31 +178,31 @@
+
+ dev = imq_devs + index;
+ if (!(dev->flags & IFF_UP)) {
+ skb->imq_flags = 0;
+ nf_reinject(skb, info, NF_ACCEPT);
+ info->skb->imq_flags = 0;
+ nf_reinject(info, NF_ACCEPT);
+ return 0;
+ }
+ dev->last_rx = jiffies;
+
+ if (skb->destructor) {
+ skb2 = skb;
+ skb = skb_clone(skb, GFP_ATOMIC);
+ if (!skb)
+ if (info->skb->destructor) {
+ skb2 = info->skb;
+ info->skb = skb_clone(info->skb, GFP_ATOMIC);
+ if (!info->skb)
+ return -1;
+ }
+ skb->nf_info = info;
+ info->skb->nf_queue_entry = info;
+
+ stats = (struct net_device_stats *)dev->priv;
+ stats->rx_bytes+= skb->len;
+ stats->rx_bytes+= info->skb->len;
+ stats->rx_packets++;
+
+ spin_lock_bh(&dev->queue_lock);
+ q = dev->qdisc;
+ if (q->enqueue) {
+ q->enqueue(skb_get(skb), q);
+ if (skb_shared(skb)) {
+ skb->destructor = imq_skb_destructor;
+ kfree_skb(skb);
+ q->enqueue(skb_get(info->skb), q);
+ if (skb_shared(info->skb)) {
+ info->skb->destructor = imq_skb_destructor;
+ kfree_skb(info->skb);
+ ret = 0;
+ }
+ }
@ -214,7 +215,7 @@
+ spin_unlock_bh(&dev->queue_lock);
+
+ if (skb2)
+ kfree_skb(ret ? skb : skb2);
+ kfree_skb(ret ? info->skb : skb2);
+
+ return ret;
+}
@ -396,7 +397,7 @@
+ .init = imq_init_module,
+ .exit = imq_exit_module,
+};
+
+
+static int __init imq_init(void)
+{
+ return register_pernet_device(&imq_net_ops);
@ -593,8 +594,8 @@
struct sk_buff *nfct_reasm;
#endif
+#if defined(CONFIG_IMQ) || defined(CONFIG_IMQ_MODULE)
+ unsigned char imq_flags;
+ struct nf_info *nf_info;
+ unsigned char imq_flags;
+ struct nf_queue_entry *nf_queue_entry;
+#endif
#ifdef CONFIG_BRIDGE_NETFILTER
struct nf_bridge_info *nf_bridge;
@ -605,7 +606,7 @@
#endif
+#if defined(CONFIG_IMQ) || defined(CONFIG_IMQ_MODULE)
+ dst->imq_flags = src->imq_flags;
+ dst->nf_info = src->nf_info;
+ dst->nf_queue_entry = src->nf_queue_entry;
+#endif
#ifdef CONFIG_BRIDGE_NETFILTER
dst->nf_bridge = src->nf_bridge;
@ -709,7 +710,7 @@
+MODULE_LICENSE("GPL");
--- a/net/ipv4/netfilter/Kconfig
+++ b/net/ipv4/netfilter/Kconfig
@@ -315,6 +315,17 @@
@@ -145,6 +145,17 @@
To compile it as a module, choose M here. If unsure, say N.
@ -724,9 +725,9 @@
+
+ To compile it as a module, choose M here. If unsure, say N.
+
config IP_NF_TARGET_ECN
tristate "ECN target support"
depends on IP_NF_MANGLE
config IP_NF_TARGET_REJECT
tristate "REJECT target support"
depends on IP_NF_FILTER
--- a/net/ipv4/netfilter/Makefile
+++ b/net/ipv4/netfilter/Makefile
@@ -55,6 +55,7 @@
@ -817,7 +818,7 @@
+config IP6_NF_TARGET_IMQ
+ tristate "IMQ target support"
+ depends on IP6_NF_MANGLE
+ depends on IP6_NF_MANGLE && IMQ
+ help
+ This option adds a `IMQ' target which is used to specify if and
+ to which imq device packets should get enqueued/dequeued.
@ -839,7 +840,7 @@
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -182,6 +182,13 @@
@@ -182,6 +182,12 @@
return ret;
}
@ -847,7 +848,6 @@
+{
+ return qdisc_restart(dev);
+}
+
+EXPORT_SYMBOL(qdisc_restart1);
+
void __qdisc_run(struct net_device *dev)