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author | Xin Long <lucien.xin@gmail.com> | 2017-04-01 17:07:46 +0800 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2017-04-03 14:52:35 -0700 |
commit | d229d48d183fbc1391908decc7d2bcf09ca2f38f (patch) | |
tree | 36804c2c5ec00fd7d3bc3653abba3b2f3b756a84 /net/sctp/outqueue.c | |
parent | cdccf74b9501207b9d299afe2825a311d461a318 (diff) | |
download | lwn-d229d48d183fbc1391908decc7d2bcf09ca2f38f.tar.gz lwn-d229d48d183fbc1391908decc7d2bcf09ca2f38f.zip |
sctp: add SCTP_PR_STREAM_STATUS sockopt for prsctp
Before when implementing sctp prsctp, SCTP_PR_STREAM_STATUS wasn't
added, as it needs to save abandoned_(un)sent for every stream.
After sctp stream reconf is added in sctp, assoc has structure
sctp_stream_out to save per stream info.
This patch is to add SCTP_PR_STREAM_STATUS by putting the prsctp
per stream statistics into sctp_stream_out.
v1->v2:
fix an indent issue.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/outqueue.c')
-rw-r--r-- | net/sctp/outqueue.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c index 025ccff67072..3f78d7f06e14 100644 --- a/net/sctp/outqueue.c +++ b/net/sctp/outqueue.c @@ -353,6 +353,8 @@ static int sctp_prsctp_prune_sent(struct sctp_association *asoc, struct sctp_chunk *chk, *temp; list_for_each_entry_safe(chk, temp, queue, transmitted_list) { + struct sctp_stream_out *streamout; + if (!SCTP_PR_PRIO_ENABLED(chk->sinfo.sinfo_flags) || chk->sinfo.sinfo_timetolive <= sinfo->sinfo_timetolive) continue; @@ -361,8 +363,10 @@ static int sctp_prsctp_prune_sent(struct sctp_association *asoc, sctp_insert_list(&asoc->outqueue.abandoned, &chk->transmitted_list); + streamout = &asoc->stream->out[chk->sinfo.sinfo_stream]; asoc->sent_cnt_removable--; asoc->abandoned_sent[SCTP_PR_INDEX(PRIO)]++; + streamout->abandoned_sent[SCTP_PR_INDEX(PRIO)]++; if (!chk->tsn_gap_acked) { if (chk->transport) @@ -396,6 +400,12 @@ static int sctp_prsctp_prune_unsent(struct sctp_association *asoc, q->out_qlen -= chk->skb->len; asoc->sent_cnt_removable--; asoc->abandoned_unsent[SCTP_PR_INDEX(PRIO)]++; + if (chk->sinfo.sinfo_stream < asoc->stream->outcnt) { + struct sctp_stream_out *streamout = + &asoc->stream->out[chk->sinfo.sinfo_stream]; + + streamout->abandoned_unsent[SCTP_PR_INDEX(PRIO)]++; + } msg_len -= SCTP_DATA_SNDSIZE(chk) + sizeof(struct sk_buff) + |