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path: root/net/sctp/sm_make_chunk.c
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Diffstat (limited to 'net/sctp/sm_make_chunk.c')
-rw-r--r--net/sctp/sm_make_chunk.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index fbe1636309a7..e1c5fc2be6b8 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -804,10 +804,11 @@ struct sctp_chunk *sctp_make_sack(const struct sctp_association *asoc)
gabs);
/* Add the duplicate TSN information. */
- if (num_dup_tsns)
+ if (num_dup_tsns) {
+ aptr->stats.idupchunks += num_dup_tsns;
sctp_addto_chunk(retval, sizeof(__u32) * num_dup_tsns,
sctp_tsnmap_get_dups(map));
-
+ }
/* Once we have a sack generated, check to see what our sack
* generation is, if its 0, reset the transports to 0, and reset
* the association generation to 1
@@ -1090,6 +1091,25 @@ nodata:
return retval;
}
+struct sctp_chunk *sctp_make_violation_max_retrans(
+ const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk)
+{
+ struct sctp_chunk *retval;
+ static const char error[] = "Association exceeded its max_retans count";
+ size_t payload_len = sizeof(error) + sizeof(sctp_errhdr_t);
+
+ retval = sctp_make_abort(asoc, chunk, payload_len);
+ if (!retval)
+ goto nodata;
+
+ sctp_init_cause(retval, SCTP_ERROR_PROTO_VIOLATION, sizeof(error));
+ sctp_addto_chunk(retval, sizeof(error), error);
+
+nodata:
+ return retval;
+}
+
/* Make a HEARTBEAT chunk. */
struct sctp_chunk *sctp_make_heartbeat(const struct sctp_association *asoc,
const struct sctp_transport *transport)