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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
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9
net/sctp/ulpevent.c
View File

@@ -730,8 +730,9 @@ fail:
* various events.
*/
struct sctp_ulpevent *sctp_ulpevent_make_pdapi(
const struct sctp_association *asoc, __u32 indication,
gfp_t gfp)
const struct sctp_association *asoc,
__u32 indication, __u32 sid, __u32 seq,
__u32 flags, gfp_t gfp)
{
struct sctp_ulpevent *event;
struct sctp_pdapi_event *pd;
@@ -752,7 +753,9 @@ struct sctp_ulpevent *sctp_ulpevent_make_pdapi(
* Currently unused.
*/
pd->pdapi_type = SCTP_PARTIAL_DELIVERY_EVENT;
pd->pdapi_flags = 0;
pd->pdapi_flags = flags;
pd->pdapi_stream = sid;
pd->pdapi_seq = seq;
/* pdapi_length: 32 bits (unsigned integer)
*