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Code

fix IMQ on linux 2.6.27 and 2.6.28

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14599 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2009-02-21 16:33:24 +00:00
parent 2ebed2b570
commit abddbd4f18
3 changed files with 190 additions and 1 deletions
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2
package/kernel/modules/netfilter.mk
View File

@ -237,7 +237,7 @@ define KernelPackage/ipt-imq
imq \
$(IPT_IMQ-m) \
))
DEPENDS:= kmod-ipt-core @!LINUX_2_6_27 @!LINUX_2_6_28
DEPENDS:= kmod-ipt-core
endef
define KernelPackage/ipt-imq/description

75
target/linux/generic-2.6/patches-2.6.27/151-netfilter_imq_2.6.27.patch Normal file
View File

@ -0,0 +1,75 @@
--- a/drivers/net/imq.c
+++ b/drivers/net/imq.c
@@ -178,10 +178,11 @@ static int imq_nf_queue(struct nf_queue_
struct sk_buff *skb2 = NULL;
struct Qdisc *q;
unsigned int index = entry->skb->imq_flags & IMQ_F_IFMASK;
- int ret = -1;
+ struct netdev_queue *txq;
+ int ret = -EINVAL;
if (index > numdevs)
- return -1;
+ return ret;
/* check for imq device by index from cache */
dev = imq_devs_cache[index];
@@ -194,7 +195,7 @@ static int imq_nf_queue(struct nf_queue_
if (!dev) {
/* not found ?!*/
BUG();
- return -1;
+ return ret;
}
imq_devs_cache[index] = dev;
@@ -212,17 +213,19 @@ static int imq_nf_queue(struct nf_queue_
skb2 = entry->skb;
entry->skb = skb_clone(entry->skb, GFP_ATOMIC);
if (!entry->skb)
- return -1;
+ return -ENOMEM;
}
entry->skb->nf_queue_entry = entry;
dev->stats.rx_bytes += entry->skb->len;
dev->stats.rx_packets++;
- spin_lock_bh(&dev->queue_lock);
- q = dev->qdisc;
+ txq = netdev_get_tx_queue(dev, 0);
+ __netif_tx_lock_bh(txq);
+ q = txq->qdisc;
+
if (q->enqueue) {
- q->enqueue(skb_get(entry->skb), q);
+ qdisc_enqueue_root(skb_get(entry->skb), q);
if (skb_shared(entry->skb)) {
entry->skb->destructor = imq_skb_destructor;
kfree_skb(entry->skb);
@@ -231,7 +234,7 @@ static int imq_nf_queue(struct nf_queue_
}
if (!test_and_set_bit(1, &priv->tasklet_pending))
tasklet_schedule(&priv->tasklet);
- spin_unlock_bh(&dev->queue_lock);
+ __netif_tx_unlock_bh(txq);
if (skb2)
kfree_skb(ret ? entry->skb : skb2);
@@ -248,11 +251,13 @@ static void qdisc_run_tasklet(unsigned l
{
struct net_device *dev = (struct net_device *)arg;
struct imq_private *priv = netdev_priv(dev);
+ struct netdev_queue *txq;
- spin_lock(&dev->queue_lock);
- qdisc_run(dev);
+ netif_tx_lock(dev);
+ txq = netdev_get_tx_queue(dev, 0);
+ qdisc_run(txq->qdisc);
clear_bit(1, &priv->tasklet_pending);
- spin_unlock(&dev->queue_lock);
+ netif_tx_unlock(dev);
}
static unsigned int imq_nf_hook(unsigned int hook, struct sk_buff *pskb,

114
target/linux/generic-2.6/patches-2.6.28/151-netfilter_imq_2.6.28.patch Normal file
View File

@ -0,0 +1,114 @@
--- a/drivers/net/imq.c
+++ b/drivers/net/imq.c
@@ -178,10 +178,11 @@ static int imq_nf_queue(struct nf_queue_
struct sk_buff *skb2 = NULL;
struct Qdisc *q;
unsigned int index = entry->skb->imq_flags & IMQ_F_IFMASK;
- int ret = -1;
+ struct netdev_queue *txq;
+ int ret = -EINVAL;
if (index > numdevs)
- return -1;
+ return ret;
/* check for imq device by index from cache */
dev = imq_devs_cache[index];
@@ -194,7 +195,7 @@ static int imq_nf_queue(struct nf_queue_
if (!dev) {
/* not found ?!*/
BUG();
- return -1;
+ return ret;
}
imq_devs_cache[index] = dev;
@@ -212,17 +213,19 @@ static int imq_nf_queue(struct nf_queue_
skb2 = entry->skb;
entry->skb = skb_clone(entry->skb, GFP_ATOMIC);
if (!entry->skb)
- return -1;
+ return -ENOMEM;
}
entry->skb->nf_queue_entry = entry;
dev->stats.rx_bytes += entry->skb->len;
dev->stats.rx_packets++;
- spin_lock_bh(&dev->queue_lock);
- q = dev->qdisc;
+ txq = netdev_get_tx_queue(dev, 0);
+ __netif_tx_lock_bh(txq);
+ q = txq->qdisc;
+
if (q->enqueue) {
- q->enqueue(skb_get(entry->skb), q);
+ qdisc_enqueue_root(skb_get(entry->skb), q);
if (skb_shared(entry->skb)) {
entry->skb->destructor = imq_skb_destructor;
kfree_skb(entry->skb);
@@ -231,7 +234,7 @@ static int imq_nf_queue(struct nf_queue_
}
if (!test_and_set_bit(1, &priv->tasklet_pending))
tasklet_schedule(&priv->tasklet);
- spin_unlock_bh(&dev->queue_lock);
+ __netif_tx_unlock_bh(txq);
if (skb2)
kfree_skb(ret ? entry->skb : skb2);
@@ -248,11 +253,13 @@ static void qdisc_run_tasklet(unsigned l
{
struct net_device *dev = (struct net_device *)arg;
struct imq_private *priv = netdev_priv(dev);
+ struct netdev_queue *txq;
- spin_lock(&dev->queue_lock);
- qdisc_run(dev);
+ netif_tx_lock(dev);
+ txq = netdev_get_tx_queue(dev, 0);
+ qdisc_run(txq->qdisc);
clear_bit(1, &priv->tasklet_pending);
- spin_unlock(&dev->queue_lock);
+ netif_tx_unlock(dev);
}
static unsigned int imq_nf_hook(unsigned int hook, struct sk_buff *pskb,
--- a/net/ipv4/netfilter/ipt_IMQ.c
+++ b/net/ipv4/netfilter/ipt_IMQ.c
@@ -7,29 +7,23 @@
#include <linux/netfilter_ipv4/ipt_IMQ.h>
#include <linux/imq.h>
-static unsigned int imq_target(struct sk_buff *pskb,
- const struct net_device *in,
- const struct net_device *out,
- unsigned int hooknum,
- const struct xt_target *target,
- const void *targinfo)
+static unsigned int
+imq_target(struct sk_buff *pskb,
+ const struct xt_target_param *par)
{
- struct ipt_imq_info *mr = (struct ipt_imq_info *)targinfo;
+ struct ipt_imq_info *mr = (struct ipt_imq_info *)par->targinfo;
pskb->imq_flags = mr->todev | IMQ_F_ENQUEUE;
return XT_CONTINUE;
}
-static bool imq_checkentry(const char *tablename,
- const void *e,
- const struct xt_target *target,
- void *targinfo,
- unsigned int hook_mask)
+static bool
+imq_checkentry(const struct xt_tgchk_param *par)
{
struct ipt_imq_info *mr;
- mr = (struct ipt_imq_info *)targinfo;
+ mr = (struct ipt_imq_info *)par->targinfo;
if (mr->todev > IMQ_MAX_DEVS) {
printk(KERN_WARNING