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git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-08-19 12:39:19 +03:00
[kernel] 2.6.26: sync IMQ patch with 2.6.25
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11331 3c298f89-4303-0410-b956-a3cf2f4a3e73
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@ -1,6 +1,6 @@
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--- /dev/null
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+++ b/drivers/net/imq.c
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@@ -0,0 +1,409 @@
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@@ -0,0 +1,410 @@
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+/*
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+ * Pseudo-driver for the intermediate queue device.
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+ *
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@ -66,6 +66,7 @@
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+#endif
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+#include <linux/imq.h>
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+#include <net/pkt_sched.h>
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+#include <net/netfilter/nf_queue.h>
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+
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+extern int qdisc_restart1(struct net_device *dev);
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+
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@ -137,7 +138,7 @@
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+/* called for packets kfree'd in qdiscs at places other than enqueue */
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+static void imq_skb_destructor(struct sk_buff *skb)
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+{
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+ struct nf_info *info = skb->nf_info;
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+ struct nf_queue_entry *info = skb->nf_queue_entry;
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+
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+ if (info) {
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+ if (info->indev)
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@ -159,17 +160,17 @@
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+ skb->destructor = NULL;
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+
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+ dev->trans_start = jiffies;
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+ nf_reinject(skb, skb->nf_info, NF_ACCEPT);
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+ nf_reinject(skb->nf_queue_entry, NF_ACCEPT);
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+ return 0;
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+}
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+
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+static int imq_nf_queue(struct sk_buff *skb, struct nf_info *info, unsigned queue_num, void *data)
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+static int imq_nf_queue(struct nf_queue_entry *info, unsigned queue_num)
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+{
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+ struct net_device *dev;
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+ struct net_device_stats *stats;
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+ struct sk_buff *skb2 = NULL;
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+ struct Qdisc *q;
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+ unsigned int index = skb->imq_flags&IMQ_F_IFMASK;
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+ unsigned int index = info->skb->imq_flags&IMQ_F_IFMASK;
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+ int ret = -1;
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+
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+ if (index > numdevs)
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@ -177,31 +178,31 @@
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+
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+ dev = imq_devs + index;
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+ if (!(dev->flags & IFF_UP)) {
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+ skb->imq_flags = 0;
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+ nf_reinject(skb, info, NF_ACCEPT);
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+ info->skb->imq_flags = 0;
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+ nf_reinject(info, NF_ACCEPT);
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+ return 0;
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+ }
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+ dev->last_rx = jiffies;
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+
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+ if (skb->destructor) {
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+ skb2 = skb;
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+ skb = skb_clone(skb, GFP_ATOMIC);
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+ if (!skb)
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+ if (info->skb->destructor) {
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+ skb2 = info->skb;
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+ info->skb = skb_clone(info->skb, GFP_ATOMIC);
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+ if (!info->skb)
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+ return -1;
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+ }
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+ skb->nf_info = info;
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+ info->skb->nf_queue_entry = info;
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+
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+ stats = (struct net_device_stats *)dev->priv;
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+ stats->rx_bytes+= skb->len;
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+ stats->rx_bytes+= info->skb->len;
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+ stats->rx_packets++;
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+
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+ spin_lock_bh(&dev->queue_lock);
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+ q = dev->qdisc;
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+ if (q->enqueue) {
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+ q->enqueue(skb_get(skb), q);
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+ if (skb_shared(skb)) {
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+ skb->destructor = imq_skb_destructor;
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+ kfree_skb(skb);
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+ q->enqueue(skb_get(info->skb), q);
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+ if (skb_shared(info->skb)) {
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+ info->skb->destructor = imq_skb_destructor;
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+ kfree_skb(info->skb);
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+ ret = 0;
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+ }
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+ }
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@ -214,7 +215,7 @@
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+ spin_unlock_bh(&dev->queue_lock);
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+
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+ if (skb2)
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+ kfree_skb(ret ? skb : skb2);
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+ kfree_skb(ret ? info->skb : skb2);
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+
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+ return ret;
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+}
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@ -396,7 +397,7 @@
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+ .init = imq_init_module,
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+ .exit = imq_exit_module,
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+};
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+
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+
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+static int __init imq_init(void)
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+{
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+ return register_pernet_device(&imq_net_ops);
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@ -593,8 +594,8 @@
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struct sk_buff *nfct_reasm;
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#endif
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+#if defined(CONFIG_IMQ) || defined(CONFIG_IMQ_MODULE)
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+ unsigned char imq_flags;
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+ struct nf_info *nf_info;
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+ unsigned char imq_flags;
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+ struct nf_queue_entry *nf_queue_entry;
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+#endif
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#ifdef CONFIG_BRIDGE_NETFILTER
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struct nf_bridge_info *nf_bridge;
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@ -605,7 +606,7 @@
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#endif
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+#if defined(CONFIG_IMQ) || defined(CONFIG_IMQ_MODULE)
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+ dst->imq_flags = src->imq_flags;
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+ dst->nf_info = src->nf_info;
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+ dst->nf_queue_entry = src->nf_queue_entry;
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+#endif
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#ifdef CONFIG_BRIDGE_NETFILTER
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dst->nf_bridge = src->nf_bridge;
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@ -709,7 +710,7 @@
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+MODULE_LICENSE("GPL");
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--- a/net/ipv4/netfilter/Kconfig
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+++ b/net/ipv4/netfilter/Kconfig
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@@ -315,6 +315,17 @@
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@@ -145,6 +145,17 @@
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To compile it as a module, choose M here. If unsure, say N.
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@ -724,9 +725,9 @@
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+
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+ To compile it as a module, choose M here. If unsure, say N.
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+
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config IP_NF_TARGET_ECN
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tristate "ECN target support"
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depends on IP_NF_MANGLE
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config IP_NF_TARGET_REJECT
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tristate "REJECT target support"
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depends on IP_NF_FILTER
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--- a/net/ipv4/netfilter/Makefile
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+++ b/net/ipv4/netfilter/Makefile
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@@ -55,6 +55,7 @@
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@ -817,7 +818,7 @@
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+config IP6_NF_TARGET_IMQ
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+ tristate "IMQ target support"
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+ depends on IP6_NF_MANGLE
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+ depends on IP6_NF_MANGLE && IMQ
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+ help
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+ This option adds a `IMQ' target which is used to specify if and
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+ to which imq device packets should get enqueued/dequeued.
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@ -839,7 +840,7 @@
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--- a/net/sched/sch_generic.c
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+++ b/net/sched/sch_generic.c
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@@ -182,6 +182,13 @@
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@@ -182,6 +182,12 @@
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return ret;
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}
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@ -847,7 +848,6 @@
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+{
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+ return qdisc_restart(dev);
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+}
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+
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+EXPORT_SYMBOL(qdisc_restart1);
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+
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void __qdisc_run(struct net_device *dev)
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