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sctp: implement abort_pd for sctp_stream_interleave

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abort_pd is added as a member of sctp_stream_interleave, used to abort
partial delivery for data or idata, called in sctp_cmd_assoc_failed.

Since stream interleave allows to do partial delivery for each stream
at the same time, sctp_intl_abort_pd for idata would be very different
from the old function sctp_ulpq_abort_pd for data.

Note that sctp_ulpevent_make_pdapi will support per stream in this
patch by adding pdapi_stream and pdapi_seq in sctp_pdapi_event, as
described in section 6.1.7 of RFC6458.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long
2017-12-08 21:04:08 +08:00
committed by David S. Miller
parent be4e0ce10d
commit 65f5e35783
7 changed files with 112 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
include/net/sctp/stream_interleave.h
View File

@@ -46,6 +46,7 @@ struct sctp_stream_interleave {
void (*renege_events)(struct sctp_ulpq *ulpq,
struct sctp_chunk *chunk, gfp_t gfp);
void (*start_pd)(struct sctp_ulpq *ulpq, gfp_t gfp);
void (*abort_pd)(struct sctp_ulpq *ulpq, gfp_t gfp);
};
void sctp_stream_interleave_init(struct sctp_stream *stream);

3
include/net/sctp/ulpevent.h
View File

@@ -122,7 +122,8 @@ struct sctp_ulpevent *sctp_ulpevent_make_shutdown_event(
struct sctp_ulpevent *sctp_ulpevent_make_pdapi(
const struct sctp_association *asoc,
__u32 indication, gfp_t gfp);
__u32 indication, __u32 sid, __u32 seq,
__u32 flags, gfp_t gfp);
struct sctp_ulpevent *sctp_ulpevent_make_adaptation_indication(
const struct sctp_association *asoc, gfp_t gfp);