openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

[NETFILTER]: Revert nf_reset change 

Revert the nf_reset change that caused so much trouble, drop conntrack
references manually before packets are queued to packet sockets.

Signed-off-by: Phil Oester <kernel@linuxace.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Phil Oester 2005-07-12 11:57:52 -07:00 committed by David S. Miller
parent 6a2e9b738c
commit 84531c24f2
3 changed files with 13 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
net/ipv4/ip_output.c
View File

@ -107,7 +107,6 @@ static int ip_dev_loopback_xmit(struct sk_buff *newskb)
newskb->pkt_type = PACKET_LOOPBACK;
newskb->ip_summed = CHECKSUM_UNNECESSARY;
BUG_TRAP(newskb->dst);
nf_reset(newskb);
netif_rx(newskb);
return 0;
}
@ -188,14 +187,6 @@ static inline int ip_finish_output2(struct sk_buff *skb)
skb = skb2;
}
#ifdef CONFIG_BRIDGE_NETFILTER
/* bridge-netfilter defers calling some IP hooks to the bridge layer
* and still needs the conntrack reference.
*/
if (skb->nf_bridge == NULL)
#endif
nf_reset(skb);
if (hh) {
int hh_alen;

7
net/ipv4/netfilter/ip_conntrack_standalone.c
View File

@ -432,6 +432,13 @@ static unsigned int ip_conntrack_defrag(unsigned int hooknum,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
#if !defined(CONFIG_IP_NF_NAT) && !defined(CONFIG_IP_NF_NAT_MODULE)
/* Previously seen (loopback)? Ignore. Do this before
fragment check. */
if ((*pskb)->nfct)
return NF_ACCEPT;
#endif
/* Gather fragments. */
if ((*pskb)->nh.iph->frag_off & htons(IP_MF|IP_OFFSET)) {
*pskb = ip_ct_gather_frags(*pskb,

6
net/packet/af_packet.c
View File

@ -274,6 +274,9 @@ static int packet_rcv_spkt(struct sk_buff *skb, struct net_device *dev, struct
dst_release(skb->dst);
skb->dst = NULL;
/* drop conntrack reference */
nf_reset(skb);
spkt = (struct sockaddr_pkt*)skb->cb;
skb_push(skb, skb->data-skb->mac.raw);
@ -517,6 +520,9 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev, struct packe
dst_release(skb->dst);
skb->dst = NULL;
/* drop conntrack reference */
nf_reset(skb);
spin_lock(&sk->sk_receive_queue.lock);
po->stats.tp_packets++;
__skb_queue_tail(&sk->sk_receive_queue, skb);