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sctp: add sockopt SCTP_AUTH_DEACTIVATE_KEY

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This patch is to add sockopt SCTP_AUTH_DEACTIVATE_KEY, as described in
section 8.3.4 of RFC6458.

This set option indicates that the application will no longer send user
messages using the indicated key identifier.

Note that RFC requires that only deactivated keys that are no longer used
by an association can be deleted, but for the backward compatibility, it
is not to check deactivated when deleting or replacing one sh_key.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long
2018-03-14 19:05:32 +08:00
committed by David S. Miller
parent 3ff547c06a
commit 601590ec15
4 changed files with 81 additions and 9 deletions
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1
include/uapi/linux/sctp.h
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@@ -99,6 +99,7 @@ typedef __s32 sctp_assoc_t;
#define SCTP_RECVRCVINFO 32
#define SCTP_RECVNXTINFO 33
#define SCTP_DEFAULT_SNDINFO 34
#define SCTP_AUTH_DEACTIVATE_KEY 35
/* Internal Socket Options. Some of the sctp library functions are
* implemented using these socket options.