1 files changed, 37 insertions, 0 deletions

diff --git a/include/linux/sctp.h b/include/linux/sctp.h
index da803dfc7a39..b36c76635f18 100644
--- a/include/linux/sctp.h
+++ b/include/linux/sctp.h
@@ -102,11 +102,15 @@ enum sctp_cid {
         /* AUTH Extension Section 4.1 */
         SCTP_CID_AUTH                   = 0x0F,
 
+        /* sctp ndata 5.1. I-DATA */
+        SCTP_CID_I_DATA                 = 0x40,
+
         /* PR-SCTP Sec 3.2 */
         SCTP_CID_FWD_TSN                = 0xC0,
 
         /* Use hex, as defined in ADDIP sec. 3.1 */
         SCTP_CID_ASCONF                 = 0xC1,
+        SCTP_CID_I_FWD_TSN              = 0xC2,
         SCTP_CID_ASCONF_ACK             = 0x80,
         SCTP_CID_RECONF                 = 0x82,
 }; /* enum */
@@ -240,6 +244,23 @@ struct sctp_data_chunk {
         struct sctp_datahdr data_hdr;
 };
 
+struct sctp_idatahdr {
+        __be32 tsn;
+        __be16 stream;
+        __be16 reserved;
+        __be32 mid;
+        union {
+                __u32 ppid;
+                __be32 fsn;
+        };
+        __u8 payload[0];
+};
+
+struct sctp_idata_chunk {
+        struct sctp_chunkhdr chunk_hdr;
+        struct sctp_idatahdr data_hdr;
+};
+
 /* DATA Chuck Specific Flags */
 enum {
         SCTP_DATA_MIDDLE_FRAG   = 0x00,
@@ -596,6 +617,22 @@ struct sctp_fwdtsn_chunk {
         struct sctp_fwdtsn_hdr fwdtsn_hdr;
 };
 
+struct sctp_ifwdtsn_skip {
+        __be16 stream;
+        __u8 reserved;
+        __u8 flags;
+        __be32 mid;
+};
+
+struct sctp_ifwdtsn_hdr {
+        __be32 new_cum_tsn;
+        struct sctp_ifwdtsn_skip skip[0];
+};
+
+struct sctp_ifwdtsn_chunk {
+        struct sctp_chunkhdr chunk_hdr;
+        struct sctp_ifwdtsn_hdr fwdtsn_hdr;
+};
 
 /* ADDIP
  * Section 3.1.1 Address Configuration Change Chunk (ASCONF)