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sctp: add support for generating stream ssn reset event notification

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This patch is to add Stream Reset Event described in rfc6525
section 6.1.1.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long
2017-02-17 12:45:38 +08:00
committed by David S. Miller
parent bd4b9f8b4a
commit 35ea82d611
3 changed files with 49 additions and 0 deletions
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16
include/uapi/linux/sctp.h
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@@ -490,6 +490,18 @@ struct sctp_sender_dry_event {
sctp_assoc_t sender_dry_assoc_id;
};
#define SCTP_STREAM_RESET_INCOMING_SSN 0x0001
#define SCTP_STREAM_RESET_OUTGOING_SSN 0x0002
#define SCTP_STREAM_RESET_DENIED 0x0004
#define SCTP_STREAM_RESET_FAILED 0x0008
struct sctp_stream_reset_event {
__u16 strreset_type;
__u16 strreset_flags;
__u32 strreset_length;
sctp_assoc_t strreset_assoc_id;
__u16 strreset_stream_list[];
};
/*
* Described in Section 7.3
* Ancillary Data and Notification Interest Options
@@ -505,6 +517,7 @@ struct sctp_event_subscribe {
__u8 sctp_adaptation_layer_event;
__u8 sctp_authentication_event;
__u8 sctp_sender_dry_event;
__u8 sctp_stream_reset_event;
};
/*
@@ -529,6 +542,7 @@ union sctp_notification {
struct sctp_pdapi_event sn_pdapi_event;
struct sctp_authkey_event sn_authkey_event;
struct sctp_sender_dry_event sn_sender_dry_event;
struct sctp_stream_reset_event sn_strreset_event;
};
/* Section 5.3.1
@@ -556,6 +570,8 @@ enum sctp_sn_type {
#define SCTP_AUTHENTICATION_INDICATION SCTP_AUTHENTICATION_EVENT
SCTP_SENDER_DRY_EVENT,
#define SCTP_SENDER_DRY_EVENT SCTP_SENDER_DRY_EVENT
SCTP_STREAM_RESET_EVENT,
#define SCTP_STREAM_RESET_EVENT SCTP_STREAM_RESET_EVENT
};
/* Notification error codes used to fill up the error fields in some