On Sat, Apr 9, 2016 at 1:16 PM, Eric Dumazet <eric.dumazet@xxxxxxxxx> wrote:
> On Sat, 2016-04-09 at 12:53 +0800, Xin Long wrote:
>> sctp_diag will dump some important details of sctp's assoc or ep, we use
>> sctp_info to describe them, sctp_get_sctp_info to get them, and export
>> it to sctp_diag.ko.
>>
>> Signed-off-by: Xin Long <lucien.xin@xxxxxxxxx>
>> ---
>> include/linux/sctp.h | 65 +++++++++++++++++++++++++++++++++++++
>> include/net/sctp/sctp.h | 3 ++
>> net/sctp/socket.c | 86 +++++++++++++++++++++++++++++++++++++++++++++++++
>> 3 files changed, 154 insertions(+)
>>
>> diff --git a/include/linux/sctp.h b/include/linux/sctp.h
>> index a9414fd..a448ebc 100644
>> --- a/include/linux/sctp.h
>> +++ b/include/linux/sctp.h
>> @@ -705,4 +705,69 @@ typedef struct sctp_auth_chunk {
>> sctp_authhdr_t auth_hdr;
>> } __packed sctp_auth_chunk_t;
>>
>> +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;
>> +
>> + /* 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;
>> +
>> + /* 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;
>> +};
>> +
>
> Lots of holes in this structure...
>
>
will check and improve it later.
thanks.
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