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sctp: Make the association hashtable handle multiple network namespaces

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- Use struct net in the hash calculation
- Use sock_net(association.base.sk) in the association lookups.
- On receive calculate the network namespace from skb->dev.
- Pass struct net from receive down to the functions that actually
  do the association lookup.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric W. Biederman
2012-08-06 08:41:13 +00:00
committed by David S. Miller
parent 4cdadcbcb6
commit 4110cc255d
6 changed files with 54 additions and 32 deletions
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3
include/net/sctp/structs.h
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@@ -1427,7 +1427,7 @@ int sctp_endpoint_is_peeled_off(struct sctp_endpoint *,
const union sctp_addr *);
struct sctp_endpoint *sctp_endpoint_is_match(struct sctp_endpoint *,
struct net *, const union sctp_addr *);
int sctp_has_association(const union sctp_addr *laddr,
int sctp_has_association(struct net *net, const union sctp_addr *laddr,
const union sctp_addr *paddr);
int sctp_verify_init(const struct sctp_association *asoc, sctp_cid_t,
@@ -2014,6 +2014,7 @@ void sctp_assoc_control_transport(struct sctp_association *,
sctp_transport_cmd_t, sctp_sn_error_t);
struct sctp_transport *sctp_assoc_lookup_tsn(struct sctp_association *, __u32);
struct sctp_transport *sctp_assoc_is_match(struct sctp_association *,
struct net *,
const union sctp_addr *,
const union sctp_addr *);
void sctp_assoc_migrate(struct sctp_association *, struct sock *);