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  1. 08 10月, 2008 24 次提交
  3. 07 10月, 2008 3 次提交
  5. 06 10月, 2008 8 次提交
  7. 01 10月, 2008 5 次提交
    • V
      sctp: correctly save sctp_adaptation from parameter. · e69c4e0f
      由 Vlad Yasevich 提交于 
      The INIT perameter carries the adapatation value in network-byte
order.  We need to store it in host byte order as expected
by data types and the user API.
Signed-off-by: NVlad Yasevich <vladislav.yasevich@hp.com>
      e69c4e0f
    • V
      sctp: enable cookie-echo retransmission transport switch · 96cd0d3d
      由 Vlad Yasevich 提交于 
      This patch enables cookie-echo retransmission transport switch
feature. If COOKIE-ECHO retransmission happens, it will be sent
to the address other than the one last sent to.
Signed-off-by: NGui Jianfeng <guijianfeng@cn.fujitsu.com>
Signed-off-by: NVlad Yasevich <vladislav.yasevich@hp.com>
      96cd0d3d
    • W
      sctp: Fix the SNMP counter of SCTP_MIB_OUTOFBLUES · 8190f89d
      由 Wei Yongjun 提交于 
      RFC3873 defined SCTP_MIB_OUTOFBLUES:

 sctpOutOfBlues OBJECT-TYPE
   SYNTAX         Counter32
   MAX-ACCESS     read-only
   STATUS         current
   DESCRIPTION
        "The number of out of the blue packets received by the host.
        An out of the blue packet is an SCTP packet correctly formed,
        including the proper checksum, but for which the receiver was
        unable to identify an appropriate association."
   REFERENCE
        "Section 8.4 in RFC2960 deals with the Out-Of-The-Blue
         (OOTB) packet definition and procedures."

But OOTB packet INIT, INIT-ACK and SHUTDOWN-ACK(COOKIE-WAIT or
COOKIE-ECHOED state) are not counted by SCTP_MIB_OUTOFBLUES.

Case 1(INIT):

Endpoint A               Endpoint B
(CLOSED)                 (CLOSED)

 INIT     ---------->
          <----------    ABORT

Case 2(INIT-ACK):

Endpoint A               Endpoint B
(CLOSED)                 (CLOSED)

 INIT-ACK  ---------->
           <----------   ABORT

Case 3(SHUTDOWN-ACK):

Endpoint A               Endpoint B
(CLOSED)                 (CLOSED)

          <----------    INIT
 SHUTDOWN-ACK  ---------->
           <----------   SHUTDOWN-COMPLETE

Case 4(SHUTDOWN-ACK):

Endpoint A               Endpoint B
(CLOSED)                 (COOKIE-ECHOED)

 SHUTDOWN-ACK  ---------->
           <----------   SHUTDOWN-COMPLETE

This patch fixed the problem.
Signed-off-by: NWei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: NVlad Yasevich <vladislav.yasevich@hp.com>
      8190f89d
    • W
      sctp: Fix to start T5-shutdown-guard timer while enter SHUTDOWN-SENT state · 536428a9
      由 Wei Yongjun 提交于 
      RFC 4960: Section 9.2
The sender of the SHUTDOWN MAY also start an overall guard timer
'T5-shutdown-guard' to bound the overall time for the shutdown
sequence.  At the expiration of this timer, the sender SHOULD abort
the association by sending an ABORT chunk.  If the 'T5-shutdown-
guard' timer is used, it SHOULD be set to the recommended value of 5
times 'RTO.Max'.

The timer 'T5-shutdown-guard' is used to counter the overall time
for shutdown sequence, and it's start by the sender of the SHUTDOWN.
So timer 'T5-shutdown-guard' should be start when we send the first
SHUTDOWN chunk and enter the SHUTDOWN-SENT state, not start when we
receipt of the SHUTDOWN primitive and enter SHUTDOWN-PENDING state.

If 'T5-shutdown-guard' timer is start at SHUTDOWN-PENDING state, the
association may be ABORT while data is still transmitting.
Signed-off-by: NWei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: NVlad Yasevich <vladislav.yasevich@hp.com>
      536428a9
    • V
      sctp: try harder to figure out address family when checking wildcards · 52cae8f0
      由 Vlad Yasevich 提交于 
      sctp_is_any() function that is used to check for wildcard addresses
only looks at the address itself to determine the address family.
This function is used in the API to check the address passed in from
the user.  If the user simply zerroes out the sockaddr_storage and
pass that in, we'll end up failing.  So, let's try harder to determine
the address family by also checking the socket if it's possible.
Signed-off-by: NVlad Yasevich <vladislav.yasevich@hp.com>
      52cae8f0