summaryrefslogtreecommitdiff
path: root/net/ipv4
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/netfilter.c14
-rw-r--r--net/ipv4/netfilter/ip_queue.c68
2 files changed, 31 insertions, 51 deletions
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index f7166084a5ab..7bf5e4a199f0 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -123,11 +123,12 @@ struct ip_rt_info {
u_int8_t tos;
};
-static void nf_ip_saveroute(const struct sk_buff *skb, struct nf_info *info)
+static void nf_ip_saveroute(const struct sk_buff *skb,
+ struct nf_queue_entry *entry)
{
- struct ip_rt_info *rt_info = nf_info_reroute(info);
+ struct ip_rt_info *rt_info = nf_queue_entry_reroute(entry);
- if (info->hook == NF_INET_LOCAL_OUT) {
+ if (entry->hook == NF_INET_LOCAL_OUT) {
const struct iphdr *iph = ip_hdr(skb);
rt_info->tos = iph->tos;
@@ -136,11 +137,12 @@ static void nf_ip_saveroute(const struct sk_buff *skb, struct nf_info *info)
}
}
-static int nf_ip_reroute(struct sk_buff *skb, const struct nf_info *info)
+static int nf_ip_reroute(struct sk_buff *skb,
+ const struct nf_queue_entry *entry)
{
- const struct ip_rt_info *rt_info = nf_info_reroute(info);
+ const struct ip_rt_info *rt_info = nf_queue_entry_reroute(entry);
- if (info->hook == NF_INET_LOCAL_OUT) {
+ if (entry->hook == NF_INET_LOCAL_OUT) {
const struct iphdr *iph = ip_hdr(skb);
if (!(iph->tos == rt_info->tos
diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index df2957c5bcb4..f1affd2344a9 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -35,13 +35,7 @@
#define NET_IPQ_QMAX 2088
#define NET_IPQ_QMAX_NAME "ip_queue_maxlen"
-struct ipq_queue_entry {
- struct list_head list;
- struct nf_info *info;
- struct sk_buff *skb;
-};
-
-typedef int (*ipq_cmpfn)(struct ipq_queue_entry *, unsigned long);
+typedef int (*ipq_cmpfn)(struct nf_queue_entry *, unsigned long);
static unsigned char copy_mode __read_mostly = IPQ_COPY_NONE;
static unsigned int queue_maxlen __read_mostly = IPQ_QMAX_DEFAULT;
@@ -56,7 +50,7 @@ static LIST_HEAD(queue_list);
static DEFINE_MUTEX(ipqnl_mutex);
static void
-ipq_issue_verdict(struct ipq_queue_entry *entry, int verdict)
+ipq_issue_verdict(struct nf_queue_entry *entry, int verdict)
{
/* TCP input path (and probably other bits) assume to be called
* from softirq context, not from syscall, like ipq_issue_verdict is
@@ -64,14 +58,12 @@ ipq_issue_verdict(struct ipq_queue_entry *entry, int verdict)
* softirq, e.g. We therefore emulate this by local_bh_disable() */
local_bh_disable();
- nf_reinject(entry->skb, entry->info, verdict);
+ nf_reinject(entry, verdict);
local_bh_enable();
-
- kfree(entry);
}
static inline void
-__ipq_enqueue_entry(struct ipq_queue_entry *entry)
+__ipq_enqueue_entry(struct nf_queue_entry *entry)
{
list_add_tail(&entry->list, &queue_list);
queue_total++;
@@ -114,10 +106,10 @@ __ipq_reset(void)
__ipq_flush(NULL, 0);
}
-static struct ipq_queue_entry *
+static struct nf_queue_entry *
ipq_find_dequeue_entry(unsigned long id)
{
- struct ipq_queue_entry *entry = NULL, *i;
+ struct nf_queue_entry *entry = NULL, *i;
write_lock_bh(&queue_lock);
@@ -140,7 +132,7 @@ ipq_find_dequeue_entry(unsigned long id)
static void
__ipq_flush(ipq_cmpfn cmpfn, unsigned long data)
{
- struct ipq_queue_entry *entry, *next;
+ struct nf_queue_entry *entry, *next;
list_for_each_entry_safe(entry, next, &queue_list, list) {
if (!cmpfn || cmpfn(entry, data)) {
@@ -160,7 +152,7 @@ ipq_flush(ipq_cmpfn cmpfn, unsigned long data)
}
static struct sk_buff *
-ipq_build_packet_message(struct ipq_queue_entry *entry, int *errp)
+ipq_build_packet_message(struct nf_queue_entry *entry, int *errp)
{
sk_buff_data_t old_tail;
size_t size = 0;
@@ -217,20 +209,20 @@ ipq_build_packet_message(struct ipq_queue_entry *entry, int *errp)
pmsg->timestamp_sec = tv.tv_sec;
pmsg->timestamp_usec = tv.tv_usec;
pmsg->mark = entry->skb->mark;
- pmsg->hook = entry->info->hook;
+ pmsg->hook = entry->hook;
pmsg->hw_protocol = entry->skb->protocol;
- if (entry->info->indev)
- strcpy(pmsg->indev_name, entry->info->indev->name);
+ if (entry->indev)
+ strcpy(pmsg->indev_name, entry->indev->name);
else
pmsg->indev_name[0] = '\0';
- if (entry->info->outdev)
- strcpy(pmsg->outdev_name, entry->info->outdev->name);
+ if (entry->outdev)
+ strcpy(pmsg->outdev_name, entry->outdev->name);
else
pmsg->outdev_name[0] = '\0';
- if (entry->info->indev && entry->skb->dev) {
+ if (entry->indev && entry->skb->dev) {
pmsg->hw_type = entry->skb->dev->type;
pmsg->hw_addrlen = dev_parse_header(entry->skb,
pmsg->hw_addr);
@@ -252,28 +244,17 @@ nlmsg_failure:
}
static int
-ipq_enqueue_packet(struct sk_buff *skb, struct nf_info *info,
- unsigned int queuenum)
+ipq_enqueue_packet(struct nf_queue_entry *entry, unsigned int queuenum)
{
int status = -EINVAL;
struct sk_buff *nskb;
- struct ipq_queue_entry *entry;
if (copy_mode == IPQ_COPY_NONE)
return -EAGAIN;
- entry = kmalloc(sizeof(*entry), GFP_ATOMIC);
- if (entry == NULL) {
- printk(KERN_ERR "ip_queue: OOM in ipq_enqueue_packet()\n");
- return -ENOMEM;
- }
-
- entry->info = info;
- entry->skb = skb;
-
nskb = ipq_build_packet_message(entry, &status);
if (nskb == NULL)
- goto err_out_free;
+ return status;
write_lock_bh(&queue_lock);
@@ -307,14 +288,11 @@ err_out_free_nskb:
err_out_unlock:
write_unlock_bh(&queue_lock);
-
-err_out_free:
- kfree(entry);
return status;
}
static int
-ipq_mangle_ipv4(ipq_verdict_msg_t *v, struct ipq_queue_entry *e)
+ipq_mangle_ipv4(ipq_verdict_msg_t *v, struct nf_queue_entry *e)
{
int diff;
int err;
@@ -352,7 +330,7 @@ ipq_mangle_ipv4(ipq_verdict_msg_t *v, struct ipq_queue_entry *e)
static int
ipq_set_verdict(struct ipq_verdict_msg *vmsg, unsigned int len)
{
- struct ipq_queue_entry *entry;
+ struct nf_queue_entry *entry;
if (vmsg->value > NF_MAX_VERDICT)
return -EINVAL;
@@ -412,13 +390,13 @@ ipq_receive_peer(struct ipq_peer_msg *pmsg,
}
static int
-dev_cmp(struct ipq_queue_entry *entry, unsigned long ifindex)
+dev_cmp(struct nf_queue_entry *entry, unsigned long ifindex)
{
- if (entry->info->indev)
- if (entry->info->indev->ifindex == ifindex)
+ if (entry->indev)
+ if (entry->indev->ifindex == ifindex)
return 1;
- if (entry->info->outdev)
- if (entry->info->outdev->ifindex == ifindex)
+ if (entry->outdev)
+ if (entry->outdev->ifindex == ifindex)
return 1;
#ifdef CONFIG_BRIDGE_NETFILTER
if (entry->skb->nf_bridge) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 05:41:54 +0000