diff options
| author | Xin Long <lucien.xin@gmail.com> | 2017-02-17 12:45:38 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-02-19 18:17:59 -0500 |
| commit | 35ea82d611da59f8bea44a37996b3b11bb1d3fd7 (patch) | |
| tree | fd3a6ac66c353dabe1b372b461a3629e7cd1d4f9 /net/sctp | |
| parent | bd4b9f8b4af7be15fd162276ec9a2a1d49f10270 (diff) | |
sctp: add support for generating stream ssn reset event notification
This patch is to add Stream Reset Event described in rfc6525
section 6.1.1.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp')
| -rw-r--r-- | net/sctp/ulpevent.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c index bea00058ce35..c8881bc542a0 100644 --- a/net/sctp/ulpevent.c +++ b/net/sctp/ulpevent.c @@ -854,6 +854,35 @@ struct sctp_ulpevent *sctp_ulpevent_make_sender_dry_event( return event; } +struct sctp_ulpevent *sctp_ulpevent_make_stream_reset_event( + const struct sctp_association *asoc, __u16 flags, __u16 stream_num, + __u16 *stream_list, gfp_t gfp) +{ + struct sctp_stream_reset_event *sreset; + struct sctp_ulpevent *event; + struct sk_buff *skb; + int length, i; + + length = sizeof(struct sctp_stream_reset_event) + 2 * stream_num; + event = sctp_ulpevent_new(length, MSG_NOTIFICATION, gfp); + if (!event) + return NULL; + + skb = sctp_event2skb(event); + sreset = (struct sctp_stream_reset_event *)skb_put(skb, length); + + sreset->strreset_type = SCTP_STREAM_RESET_EVENT; + sreset->strreset_flags = flags; + sreset->strreset_length = length; + sctp_ulpevent_set_owner(event, asoc); + sreset->strreset_assoc_id = sctp_assoc2id(asoc); + + for (i = 0; i < stream_num; i++) + sreset->strreset_stream_list[i] = ntohs(stream_list[i]); + + return event; +} + /* Return the notification type, assuming this is a notification * event. */ |