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[SCTP]: ADDIP: Don't use an address as source until it is ASCONF-ACKed

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This implements Rules D1 and D4 of Sec 4.3 in the ADDIP draft.

Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sridhar Samudrala
2006-07-21 14:49:25 -07:00
committed by David S. Miller
parent 9faa730f1c
commit dc022a9874
6 changed files with 81 additions and 28 deletions
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7
include/net/sctp/structs.h
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@@ -731,13 +731,10 @@ void sctp_init_addrs(struct sctp_chunk *, union sctp_addr *,
const union sctp_addr *sctp_source(const struct sctp_chunk *chunk);
/* This is a structure for holding either an IPv6 or an IPv4 address. */
/* sin_family -- AF_INET or AF_INET6
* sin_port -- ordinary port number
* sin_addr -- cast to either (struct in_addr) or (struct in6_addr)
*/
struct sctp_sockaddr_entry {
struct list_head list;
union sctp_addr a;
__u8 use_as_src;
};
typedef struct sctp_chunk *(sctp_packet_phandler_t)(struct sctp_association *);
@@ -1142,7 +1139,7 @@ int sctp_bind_addr_copy(struct sctp_bind_addr *dest,
sctp_scope_t scope, gfp_t gfp,
int flags);
int sctp_add_bind_addr(struct sctp_bind_addr *, union sctp_addr *,
gfp_t gfp);
__u8 use_as_src, gfp_t gfp);
int sctp_del_bind_addr(struct sctp_bind_addr *, union sctp_addr *);
int sctp_bind_addr_match(struct sctp_bind_addr *, const union sctp_addr *,
struct sctp_sock *);