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authorXin Long <lucien.xin@gmail.com>2017-12-08 16:04:09 +0300
committerDavid S. Miller <davem@davemloft.net>2017-12-11 19:23:05 +0300
commit132282386f5d0eff7a84a119599216b5f9e9bfc6 (patch)
treed38678a52bc8be07f40964b91c6afb839fa8cf03 /net/sctp/ulpqueue.c
parent65f5e357839e40817aead853d7a7f61ff828b52b (diff)
downloadlinux-132282386f5d0eff7a84a119599216b5f9e9bfc6.tar.xz
sctp: add support for the process of unordered idata
Unordered idata process is more complicated than unordered data: - It has to add mid into sctp_stream_out to save the next mid value, which is separated from ordered idata's. - To support pd for unordered idata, another mid and pd_mode need to be added to save the message id and pd state in sctp_stream_in. - To make unordered idata reasm easier, it adds a new event queue to save frags for idata. The patch mostly adds the samilar reasm functions for unordered idata as ordered idata's, and also adjusts some other codes on assign_mid, abort_pd and ulpevent_data for idata. 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 'net/sctp/ulpqueue.c')
-rw-r--r--net/sctp/ulpqueue.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/sctp/ulpqueue.c b/net/sctp/ulpqueue.c
index dd53daab4a25..97fae53310e0 100644
--- a/net/sctp/ulpqueue.c
+++ b/net/sctp/ulpqueue.c
@@ -60,6 +60,7 @@ struct sctp_ulpq *sctp_ulpq_init(struct sctp_ulpq *ulpq,
ulpq->asoc = asoc;
skb_queue_head_init(&ulpq->reasm);
+ skb_queue_head_init(&ulpq->reasm_uo);
skb_queue_head_init(&ulpq->lobby);
ulpq->pd_mode = 0;
@@ -83,6 +84,10 @@ void sctp_ulpq_flush(struct sctp_ulpq *ulpq)
sctp_ulpevent_free(event);
}
+ while ((skb = __skb_dequeue(&ulpq->reasm_uo)) != NULL) {
+ event = sctp_skb2event(skb);
+ sctp_ulpevent_free(event);
+ }
}
/* Dispose of a ulpqueue. */