summaryrefslogtreecommitdiff
path: root/net/sctp/outqueue.c
diff options
context:
space:
mode:
authorXin Long <lucien.xin@gmail.com>2017-04-01 17:07:46 +0800
committerDavid S. Miller <davem@davemloft.net>2017-04-03 14:52:35 -0700
commitd229d48d183fbc1391908decc7d2bcf09ca2f38f (patch)
tree36804c2c5ec00fd7d3bc3653abba3b2f3b756a84 /net/sctp/outqueue.c
parentcdccf74b9501207b9d299afe2825a311d461a318 (diff)
downloadlwn-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.c10
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) +