sctp: Export struct sctp_info to userspace

This is required to correctly interpret INET_DIAG_INFO messages exported
by sctp_diag module.

Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 64 insertions, 0 deletions

diff --git a/include/uapi/linux/sctp.h b/include/uapi/linux/sctp.h
index d304f4c9792c..a406adcc0793 100644
--- a/include/uapi/linux/sctp.h
+++ b/include/uapi/linux/sctp.h
@@ -944,4 +944,68 @@ struct sctp_default_prinfo {
         __u16 pr_policy;
 };
 
+struct sctp_info {
+        __u32   sctpi_tag;
+        __u32   sctpi_state;
+        __u32   sctpi_rwnd;
+        __u16   sctpi_unackdata;
+        __u16   sctpi_penddata;
+        __u16   sctpi_instrms;
+        __u16   sctpi_outstrms;
+        __u32   sctpi_fragmentation_point;
+        __u32   sctpi_inqueue;
+        __u32   sctpi_outqueue;
+        __u32   sctpi_overall_error;
+        __u32   sctpi_max_burst;
+        __u32   sctpi_maxseg;
+        __u32   sctpi_peer_rwnd;
+        __u32   sctpi_peer_tag;
+        __u8    sctpi_peer_capable;
+        __u8    sctpi_peer_sack;
+        __u16   __reserved1;
+
+        /* assoc status info */
+        __u64   sctpi_isacks;
+        __u64   sctpi_osacks;
+        __u64   sctpi_opackets;
+        __u64   sctpi_ipackets;
+        __u64   sctpi_rtxchunks;
+        __u64   sctpi_outofseqtsns;
+        __u64   sctpi_idupchunks;
+        __u64   sctpi_gapcnt;
+        __u64   sctpi_ouodchunks;
+        __u64   sctpi_iuodchunks;
+        __u64   sctpi_oodchunks;
+        __u64   sctpi_iodchunks;
+        __u64   sctpi_octrlchunks;
+        __u64   sctpi_ictrlchunks;
+
+        /* primary transport info */
+        struct sockaddr_storage sctpi_p_address;
+        __s32   sctpi_p_state;
+        __u32   sctpi_p_cwnd;
+        __u32   sctpi_p_srtt;
+        __u32   sctpi_p_rto;
+        __u32   sctpi_p_hbinterval;
+        __u32   sctpi_p_pathmaxrxt;
+        __u32   sctpi_p_sackdelay;
+        __u32   sctpi_p_sackfreq;
+        __u32   sctpi_p_ssthresh;
+        __u32   sctpi_p_partial_bytes_acked;
+        __u32   sctpi_p_flight_size;
+        __u16   sctpi_p_error;
+        __u16   __reserved2;
+
+        /* sctp sock info */
+        __u32   sctpi_s_autoclose;
+        __u32   sctpi_s_adaptation_ind;
+        __u32   sctpi_s_pd_point;
+        __u8    sctpi_s_nodelay;
+        __u8    sctpi_s_disable_fragments;
+        __u8    sctpi_s_v4mapped;
+        __u8    sctpi_s_frag_interleave;
+        __u32   sctpi_s_type;
+        __u32   __reserved3;
+};
+
 #endif /* _UAPI_SCTP_H */