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authorXin Long <lucien.xin@gmail.com>2016-04-14 15:35:30 +0800
committerDavid S. Miller <davem@davemloft.net>2016-04-15 17:29:35 -0400
commit52c52a61a39fb319c14a582f8631619e5d5f55bf (patch)
tree47a2098e8b3f1e7e3c0bb7f5108a4ef42e8fbee6 /include/linux/sctp.h
parent311b21774f1389f9c34eac4da90c43c95fc2b62b (diff)
sctp: add sctp_info dump api for sctp_diag
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. v2->v3: - we will not use list_for_each_safe in sctp_get_sctp_info, cause all the callers of it will use lock_sock. - fix the holes in struct sctp_info with __reserved* field. because sctp_diag is a new feature, and sctp_info is just for now, it may be changed in the future. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/sctp.h')
-rw-r--r--include/linux/sctp.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/include/linux/sctp.h b/include/linux/sctp.h
index a9414fd49dc6..dacb5e711994 100644
--- a/include/linux/sctp.h
+++ b/include/linux/sctp.h
@@ -705,4 +705,71 @@ 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;
+ __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;
+};
+
+struct sctp_infox {
+ struct sctp_info *sctpinfo;
+ struct sctp_association *asoc;
+};
+
#endif /* __LINUX_SCTP_H__ */