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ipv4: Pass struct net into ip_defrag and ip_check_defrag

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The function ip_defrag is called on both the input and the output
paths of the networking stack.  In particular conntrack when it is
tracking outbound packets from the local machine calls ip_defrag.

So add a struct net parameter and stop making ip_defrag guess which
network namespace it needs to defragment packets in.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric W. Biederman
2015-10-09 13:44:54 -05:00
committed by David S. Miller
parent 37fcbab61b
commit 19bcf9f203
8 changed files with 20 additions and 19 deletions
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6
include/net/ip.h
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@@ -506,11 +506,11 @@ static inline bool ip_defrag_user_in_between(u32 user,
return user >= lower_bond && user <= upper_bond;
}
int ip_defrag(struct sk_buff *skb, u32 user);
int ip_defrag(struct net *net, struct sk_buff *skb, u32 user);
#ifdef CONFIG_INET
struct sk_buff *ip_check_defrag(struct sk_buff *skb, u32 user);
struct sk_buff *ip_check_defrag(struct net *net, struct sk_buff *skb, u32 user);
#else
static inline struct sk_buff *ip_check_defrag(struct sk_buff *skb, u32 user)
static inline struct sk_buff *ip_check_defrag(struct net *net, struct sk_buff *skb, u32 user)
{
return skb;
}