diff options
| author | Xin Long <lucien.xin@gmail.com> | 2017-12-08 14:04:06 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-12-11 17:23:05 +0100 |
| commit | 94014e8d871ae43d834828710c098518be44b5d9 (patch) | |
| tree | 2be3b55d238b96afc9d6c2d91eeffff4d75aa2a1 /include/net/sctp | |
| parent | sctp: implement enqueue_event for sctp_stream_interleave (diff) | |
| download | linux-94014e8d871ae43d834828710c098518be44b5d9.tar.xz linux-94014e8d871ae43d834828710c098518be44b5d9.zip | |
sctp: implement renege_events for sctp_stream_interleave
renege_events is added as a member of sctp_stream_interleave, used to
renege some old data or idata in reasm or lobby queue properly to free
some memory for the new data when there's memory stress.
It defines sctp_renege_events for idata, and leaves sctp_ulpq_renege
as it is for data.
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>
Diffstat (limited to 'include/net/sctp')
| -rw-r--r-- | include/net/sctp/stream_interleave.h | 2 | ||||
| -rw-r--r-- | include/net/sctp/ulpqueue.h | 9 |
2 files changed, 5 insertions, 6 deletions
diff --git a/include/net/sctp/stream_interleave.h b/include/net/sctp/stream_interleave.h index a0f61bc08ae8..16a71cb2b098 100644 --- a/include/net/sctp/stream_interleave.h +++ b/include/net/sctp/stream_interleave.h @@ -43,6 +43,8 @@ struct sctp_stream_interleave { struct sctp_chunk *chunk, gfp_t gfp); int (*enqueue_event)(struct sctp_ulpq *ulpq, struct sctp_ulpevent *event); + void (*renege_events)(struct sctp_ulpq *ulpq, + struct sctp_chunk *chunk, gfp_t gfp); }; void sctp_stream_interleave_init(struct sctp_stream *stream); diff --git a/include/net/sctp/ulpqueue.h b/include/net/sctp/ulpqueue.h index e0dce07b8794..eb98c7150a56 100644 --- a/include/net/sctp/ulpqueue.h +++ b/include/net/sctp/ulpqueue.h @@ -76,11 +76,8 @@ int sctp_clear_pd(struct sock *sk, struct sctp_association *asoc); void sctp_ulpq_skip(struct sctp_ulpq *ulpq, __u16 sid, __u16 ssn); void sctp_ulpq_reasm_flushtsn(struct sctp_ulpq *, __u32); -#endif /* __sctp_ulpqueue_h__ */ - - - - - +__u16 sctp_ulpq_renege_list(struct sctp_ulpq *ulpq, + struct sk_buff_head *list, __u16 needed); +#endif /* __sctp_ulpqueue_h__ */ |