diff options
Diffstat (limited to 'include/net/sctp/structs.h')
| -rw-r--r-- | include/net/sctp/structs.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 96cc898787f1..fd93973bb667 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -399,6 +399,18 @@ void sctp_stream_update(struct sctp_stream *stream, struct sctp_stream *new); #define sctp_ssn_skip(stream, type, sid, ssn) \ ((stream)->type[sid].ssn = ssn + 1) +/* What is the current MID number for this stream? */ +#define sctp_mid_peek(stream, type, sid) \ + ((stream)->type[sid].mid) + +/* Return the next MID number for this stream. */ +#define sctp_mid_next(stream, type, sid) \ + ((stream)->type[sid].mid++) + +/* Skip over this mid and all below. */ +#define sctp_mid_skip(stream, type, sid, mid) \ + ((stream)->type[sid].mid = mid + 1) + /* * Pointers to address related SCTP functions. * (i.e. things that depend on the address family.) @@ -623,6 +635,7 @@ struct sctp_chunk { __u16 rtt_in_progress:1, /* This chunk used for RTT calc? */ has_tsn:1, /* Does this chunk have a TSN yet? */ has_ssn:1, /* Does this chunk have a SSN yet? */ +#define has_mid has_ssn singleton:1, /* Only chunk in the packet? */ end_of_packet:1, /* Last chunk in the packet? */ ecn_ce_done:1, /* Have we processed the ECN CE bit? */ @@ -1360,7 +1373,10 @@ struct sctp_stream_out_ext { }; struct sctp_stream_out { - __u16 ssn; + union { + __u32 mid; + __u16 ssn; + }; __u8 state; struct sctp_stream_out_ext *ext; }; |