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Diffstat (limited to 'net/bridge/br_netfilter.c')
-rw-r--r--net/bridge/br_netfilter.c36
1 files changed, 22 insertions, 14 deletions
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index f87736270ea..a615264cf01 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -167,7 +167,7 @@ void br_netfilter_rtable_init(struct net_bridge *br)
rt->dst.dev = br->dev;
rt->dst.path = &rt->dst;
dst_init_metrics(&rt->dst, br_dst_default_metrics, true);
- rt->dst.flags = DST_NOXFRM | DST_NOPEER | DST_FAKE_RTABLE;
+ rt->dst.flags = DST_NOXFRM | DST_FAKE_RTABLE;
rt->dst.ops = &fake_dst_ops;
}
@@ -506,7 +506,7 @@ bridged_dnat:
1);
return 0;
}
- memcpy(eth_hdr(skb)->h_dest, dev->dev_addr, ETH_ALEN);
+ ether_addr_copy(eth_hdr(skb)->h_dest, dev->dev_addr);
skb->pkt_type = PACKET_HOST;
}
} else {
@@ -535,7 +535,7 @@ static struct net_device *brnf_get_logical_dev(struct sk_buff *skb, const struct
if (brnf_pass_vlan_indev == 0 || !vlan_tx_tag_present(skb))
return br;
- vlan = __vlan_find_dev_deep(br, skb->vlan_proto,
+ vlan = __vlan_find_dev_deep_rcu(br, skb->vlan_proto,
vlan_tx_tag_get(skb) & VLAN_VID_MASK);
return vlan ? vlan : br;
@@ -559,6 +559,8 @@ static struct net_device *setup_pre_routing(struct sk_buff *skb)
else if (skb->protocol == htons(ETH_P_PPP_SES))
nf_bridge->mask |= BRNF_PPPoE;
+ /* Must drop socket now because of tproxy. */
+ skb_orphan(skb);
return skb->dev;
}
@@ -619,7 +621,7 @@ bad:
/* Replicate the checks that IPv6 does on packet reception and pass the packet
* to ip6tables, which doesn't support NAT, so things are fairly simple. */
-static unsigned int br_nf_pre_routing_ipv6(unsigned int hook,
+static unsigned int br_nf_pre_routing_ipv6(const struct nf_hook_ops *ops,
struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
@@ -669,7 +671,8 @@ static unsigned int br_nf_pre_routing_ipv6(unsigned int hook,
* receiving device) to make netfilter happy, the REDIRECT
* target in particular. Save the original destination IP
* address to be able to detect DNAT afterwards. */
-static unsigned int br_nf_pre_routing(unsigned int hook, struct sk_buff *skb,
+static unsigned int br_nf_pre_routing(const struct nf_hook_ops *ops,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
@@ -691,7 +694,7 @@ static unsigned int br_nf_pre_routing(unsigned int hook, struct sk_buff *skb,
return NF_ACCEPT;
nf_bridge_pull_encap_header_rcsum(skb);
- return br_nf_pre_routing_ipv6(hook, skb, in, out, okfn);
+ return br_nf_pre_routing_ipv6(ops, skb, in, out, okfn);
}
if (!brnf_call_iptables && !br->nf_call_iptables)
@@ -727,7 +730,8 @@ static unsigned int br_nf_pre_routing(unsigned int hook, struct sk_buff *skb,
* took place when the packet entered the bridge), but we
* register an IPv4 PRE_ROUTING 'sabotage' hook that will
* prevent this from happening. */
-static unsigned int br_nf_local_in(unsigned int hook, struct sk_buff *skb,
+static unsigned int br_nf_local_in(const struct nf_hook_ops *ops,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
@@ -765,7 +769,8 @@ static int br_nf_forward_finish(struct sk_buff *skb)
* but we are still able to filter on the 'real' indev/outdev
* because of the physdev module. For ARP, indev and outdev are the
* bridge ports. */
-static unsigned int br_nf_forward_ip(unsigned int hook, struct sk_buff *skb,
+static unsigned int br_nf_forward_ip(const struct nf_hook_ops *ops,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
@@ -818,7 +823,8 @@ static unsigned int br_nf_forward_ip(unsigned int hook, struct sk_buff *skb,
return NF_STOLEN;
}
-static unsigned int br_nf_forward_arp(unsigned int hook, struct sk_buff *skb,
+static unsigned int br_nf_forward_arp(const struct nf_hook_ops *ops,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
@@ -853,12 +859,12 @@ static unsigned int br_nf_forward_arp(unsigned int hook, struct sk_buff *skb,
return NF_STOLEN;
}
-#if IS_ENABLED(CONFIG_NF_CONNTRACK_IPV4)
+#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV4)
static int br_nf_dev_queue_xmit(struct sk_buff *skb)
{
int ret;
- if (skb->nfct != NULL && skb->protocol == htons(ETH_P_IP) &&
+ if (skb->protocol == htons(ETH_P_IP) &&
skb->len + nf_bridge_mtu_reduction(skb) > skb->dev->mtu &&
!skb_is_gso(skb)) {
if (br_parse_ip_options(skb))
@@ -878,7 +884,8 @@ static int br_nf_dev_queue_xmit(struct sk_buff *skb)
#endif
/* PF_BRIDGE/POST_ROUTING ********************************************/
-static unsigned int br_nf_post_routing(unsigned int hook, struct sk_buff *skb,
+static unsigned int br_nf_post_routing(const struct nf_hook_ops *ops,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
@@ -923,7 +930,8 @@ static unsigned int br_nf_post_routing(unsigned int hook, struct sk_buff *skb,
/* IP/SABOTAGE *****************************************************/
/* Don't hand locally destined packets to PF_INET(6)/PRE_ROUTING
* for the second time. */
-static unsigned int ip_sabotage_in(unsigned int hook, struct sk_buff *skb,
+static unsigned int ip_sabotage_in(const struct nf_hook_ops *ops,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
@@ -993,7 +1001,7 @@ static struct nf_hook_ops br_nf_ops[] __read_mostly = {
#ifdef CONFIG_SYSCTL
static
int brnf_sysctl_call_tables(struct ctl_table *ctl, int write,
- void __user * buffer, size_t * lenp, loff_t * ppos)
+ void __user *buffer, size_t *lenp, loff_t *ppos)
{
int ret;