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Date: Mon, 21 Jul 2008 20:41:17 +0400
From: Alexey Dobriyan <adobriyan@...il.com>
To: kaber@...sh.net
Cc: netdev@...r.kernel.org, netfilter-devel@...r.kernel.org,
xemul@...nvz.org, den@...nvz.org, ebiederm@...ssion.com,
dlezcano@...ibm.com, benjamin.thery@...l.net
Subject: [PATCH 14/31] netns ct: pass netns to L4 proto's ->error hook
Used by ICMP/ICMP6.
Again, we can grab netns from skb->dev or skb->dst->dev, but at the time ->error()
is called, netns is already known, use it.
Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
---
include/net/netfilter/nf_conntrack_l4proto.h | 2 +-
net/ipv4/netfilter/nf_conntrack_proto_icmp.c | 8 ++++----
net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c | 8 ++++----
net/netfilter/nf_conntrack_core.c | 2 +-
net/netfilter/nf_conntrack_proto_dccp.c | 6 +++---
net/netfilter/nf_conntrack_proto_tcp.c | 2 +-
net/netfilter/nf_conntrack_proto_udp.c | 2 +-
net/netfilter/nf_conntrack_proto_udplite.c | 3 ++-
8 files changed, 17 insertions(+), 16 deletions(-)
--- a/include/net/netfilter/nf_conntrack_l4proto.h
+++ b/include/net/netfilter/nf_conntrack_l4proto.h
@@ -50,7 +50,7 @@ struct nf_conntrack_l4proto
/* Called when a conntrack entry is destroyed */
void (*destroy)(struct nf_conn *ct);
- int (*error)(struct sk_buff *skb, unsigned int dataoff,
+ int (*error)(struct net *net, struct sk_buff *skb, unsigned int dataoff,
enum ip_conntrack_info *ctinfo,
int pf, unsigned int hooknum);
--- a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
+++ b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
@@ -123,7 +123,7 @@ static bool icmp_new(struct nf_conn *ct, const struct sk_buff *skb,
/* Returns conntrack if it dealt with ICMP, and filled in skb fields */
static int
-icmp_error_message(struct sk_buff *skb,
+icmp_error_message(struct net *net, struct sk_buff *skb,
enum ip_conntrack_info *ctinfo,
unsigned int hooknum)
{
@@ -155,7 +155,7 @@ icmp_error_message(struct sk_buff *skb,
*ctinfo = IP_CT_RELATED;
- h = nf_conntrack_find_get(&init_net, &innertuple);
+ h = nf_conntrack_find_get(net, &innertuple);
if (!h) {
pr_debug("icmp_error_message: no match\n");
return -NF_ACCEPT;
@@ -172,7 +172,7 @@ icmp_error_message(struct sk_buff *skb,
/* Small and modified version of icmp_rcv */
static int
-icmp_error(struct sk_buff *skb, unsigned int dataoff,
+icmp_error(struct net *net, struct sk_buff *skb, unsigned int dataoff,
enum ip_conntrack_info *ctinfo, int pf, unsigned int hooknum)
{
const struct icmphdr *icmph;
@@ -217,7 +217,7 @@ icmp_error(struct sk_buff *skb, unsigned int dataoff,
&& icmph->type != ICMP_REDIRECT)
return NF_ACCEPT;
- return icmp_error_message(skb, ctinfo, hooknum);
+ return icmp_error_message(net, skb, ctinfo, hooknum);
}
#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
--- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
@@ -122,7 +122,7 @@ static bool icmpv6_new(struct nf_conn *ct, const struct sk_buff *skb,
}
static int
-icmpv6_error_message(struct sk_buff *skb,
+icmpv6_error_message(struct net *net, struct sk_buff *skb,
unsigned int icmp6off,
enum ip_conntrack_info *ctinfo,
unsigned int hooknum)
@@ -156,7 +156,7 @@ icmpv6_error_message(struct sk_buff *skb,
*ctinfo = IP_CT_RELATED;
- h = nf_conntrack_find_get(&init_net, &intuple);
+ h = nf_conntrack_find_get(net, &intuple);
if (!h) {
pr_debug("icmpv6_error: no match\n");
return -NF_ACCEPT;
@@ -172,7 +172,7 @@ icmpv6_error_message(struct sk_buff *skb,
}
static int
-icmpv6_error(struct sk_buff *skb, unsigned int dataoff,
+icmpv6_error(struct net *net, struct sk_buff *skb, unsigned int dataoff,
enum ip_conntrack_info *ctinfo, int pf, unsigned int hooknum)
{
const struct icmp6hdr *icmp6h;
@@ -197,7 +197,7 @@ icmpv6_error(struct sk_buff *skb, unsigned int dataoff,
if (icmp6h->icmp6_type >= 128)
return NF_ACCEPT;
- return icmpv6_error_message(skb, dataoff, ctinfo, hooknum);
+ return icmpv6_error_message(net, skb, dataoff, ctinfo, hooknum);
}
#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -698,7 +698,7 @@ nf_conntrack_in(struct net *net, int pf, unsigned int hooknum, struct sk_buff *s
* inverse of the return code tells to the netfilter
* core what to do with the packet. */
if (l4proto->error != NULL &&
- (ret = l4proto->error(skb, dataoff, &ctinfo, pf, hooknum)) <= 0) {
+ (ret = l4proto->error(net, skb, dataoff, &ctinfo, pf, hooknum)) <= 0) {
NF_CT_STAT_INC_ATOMIC(error);
NF_CT_STAT_INC_ATOMIC(invalid);
return -ret;
--- a/net/netfilter/nf_conntrack_proto_dccp.c
+++ b/net/netfilter/nf_conntrack_proto_dccp.c
@@ -545,9 +545,9 @@ static int dccp_packet(struct nf_conn *ct, const struct sk_buff *skb,
return NF_ACCEPT;
}
-static int dccp_error(struct sk_buff *skb, unsigned int dataoff,
- enum ip_conntrack_info *ctinfo, int pf,
- unsigned int hooknum)
+static int dccp_error(struct net *net, struct sk_buff *skb,
+ unsigned int dataoff, enum ip_conntrack_info *ctinfo,
+ int pf, unsigned int hooknum)
{
struct dccp_hdr _dh, *dh;
unsigned int dccp_len = skb->len - dataoff;
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -741,7 +741,7 @@ static const u8 tcp_valid_flags[(TH_FIN|TH_SYN|TH_RST|TH_ACK|TH_URG) + 1] =
};
/* Protect conntrack agaist broken packets. Code taken from ipt_unclean.c. */
-static int tcp_error(struct sk_buff *skb,
+static int tcp_error(struct net *net, struct sk_buff *skb,
unsigned int dataoff,
enum ip_conntrack_info *ctinfo,
int pf,
--- a/net/netfilter/nf_conntrack_proto_udp.c
+++ b/net/netfilter/nf_conntrack_proto_udp.c
@@ -89,7 +89,7 @@ static bool udp_new(struct nf_conn *ct, const struct sk_buff *skb,
return true;
}
-static int udp_error(struct sk_buff *skb, unsigned int dataoff,
+static int udp_error(struct net *net, struct sk_buff *skb, unsigned int dataoff,
enum ip_conntrack_info *ctinfo,
int pf,
unsigned int hooknum)
--- a/net/netfilter/nf_conntrack_proto_udplite.c
+++ b/net/netfilter/nf_conntrack_proto_udplite.c
@@ -89,7 +89,8 @@ static bool udplite_new(struct nf_conn *ct, const struct sk_buff *skb,
return true;
}
-static int udplite_error(struct sk_buff *skb, unsigned int dataoff,
+static int udplite_error(struct net *net, struct sk_buff *skb,
+ unsigned int dataoff,
enum ip_conntrack_info *ctinfo,
int pf,
unsigned int hooknum)
--
1.5.4.5
--
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