diff options
Diffstat (limited to 'net/sctp/sm_make_chunk.c')
| -rw-r--r-- | net/sctp/sm_make_chunk.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 23a7313d7972..b9b269cf615e 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -3536,6 +3536,30 @@ struct sctp_chunk *sctp_make_fwdtsn(const struct sctp_association *asoc, return retval; } +struct sctp_chunk *sctp_make_ifwdtsn(const struct sctp_association *asoc, + __u32 new_cum_tsn, size_t nstreams, + struct sctp_ifwdtsn_skip *skiplist) +{ + struct sctp_chunk *retval = NULL; + struct sctp_ifwdtsn_hdr ftsn_hdr; + size_t hint; + + hint = (nstreams + 1) * sizeof(__u32); + + retval = sctp_make_control(asoc, SCTP_CID_I_FWD_TSN, 0, hint, + GFP_ATOMIC); + if (!retval) + return NULL; + + ftsn_hdr.new_cum_tsn = htonl(new_cum_tsn); + retval->subh.ifwdtsn_hdr = + sctp_addto_chunk(retval, sizeof(ftsn_hdr), &ftsn_hdr); + + sctp_addto_chunk(retval, nstreams * sizeof(skiplist[0]), skiplist); + + return retval; +} + /* RE-CONFIG 3.1 (RE-CONFIG chunk) * 0 1 2 3 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |