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sctp: add SCTP_SEND_FAILED_EVENT event

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This patch is to add a new event SCTP_SEND_FAILED_EVENT described in
rfc6458#section-6.1.11. It's a update of SCTP_SEND_FAILED event:

  struct sctp_sndrcvinfo ssf_info is replaced with
  struct sctp_sndinfo ssfe_info in struct sctp_send_failed_event.

SCTP_SEND_FAILED is being deprecated, but we don't remove it in this
patch. Both are being processed in sctp_datamsg_destroy() when the
corresp event flag is set.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
This commit is contained in:
Xin Long
2019-10-08 19:27:36 +08:00
committed by Jakub Kicinski
parent 5cd0b91733
commit b6e6b5f1da
4 changed files with 79 additions and 21 deletions
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16
include/uapi/linux/sctp.h
View File

@@ -449,6 +449,16 @@ struct sctp_send_failed {
__u8 ssf_data[0];
};
struct sctp_send_failed_event {
__u16 ssf_type;
__u16 ssf_flags;
__u32 ssf_length;
__u32 ssf_error;
struct sctp_sndinfo ssfe_info;
sctp_assoc_t ssf_assoc_id;
__u8 ssf_data[0];
};
/*
* ssf_flags: 16 bits (unsigned integer)
*
@@ -605,6 +615,7 @@ struct sctp_event_subscribe {
__u8 sctp_stream_reset_event;
__u8 sctp_assoc_reset_event;
__u8 sctp_stream_change_event;
__u8 sctp_send_failure_event_event;
};
/*
@@ -632,6 +643,7 @@ union sctp_notification {
struct sctp_stream_reset_event sn_strreset_event;
struct sctp_assoc_reset_event sn_assocreset_event;
struct sctp_stream_change_event sn_strchange_event;
struct sctp_send_failed_event sn_send_failed_event;
};
/* Section 5.3.1
@@ -667,7 +679,9 @@ enum sctp_sn_type {
#define SCTP_ASSOC_RESET_EVENT SCTP_ASSOC_RESET_EVENT
SCTP_STREAM_CHANGE_EVENT,
#define SCTP_STREAM_CHANGE_EVENT SCTP_STREAM_CHANGE_EVENT
SCTP_SN_TYPE_MAX = SCTP_STREAM_CHANGE_EVENT,
SCTP_SEND_FAILED_EVENT,
#define SCTP_SEND_FAILED_EVENT SCTP_SEND_FAILED_EVENT
SCTP_SN_TYPE_MAX = SCTP_SEND_FAILED_EVENT,
#define SCTP_SN_TYPE_MAX SCTP_SN_TYPE_MAX
};