[SCTP]: Verify all the paths to a peer via heartbeat before using them.

This patch implements Path Initialization procedure as described in
Sec 2.36 of RFC4460.

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 14:48:50 -07:00
committed by David S. Miller
parent cfdeef3282
commit ad8fec1720
8 changed files with 60 additions and 19 deletions

View File

@ -560,9 +560,18 @@ struct sctp_paddrinfo {
} __attribute__((packed, aligned(4)));
/* Peer addresses's state. */
/* UNKNOWN: Peer address passed by the upper layer in sendmsg or connect[x]
* calls.
* UNCONFIRMED: Peer address received in INIT/INIT-ACK address parameters.
* Not yet confirmed by a heartbeat and not available for data
* transfers.
* ACTIVE : Peer address confirmed, active and available for data transfers.
* INACTIVE: Peer address inactive and not available for data transfers.
*/
enum sctp_spinfo_state {
SCTP_INACTIVE,
SCTP_ACTIVE,
SCTP_UNCONFIRMED,
SCTP_UNKNOWN = 0xffff /* Value used for transport state unknown */
};