uapi/linux/tcp.h

220 struct tcp_info {  struct
221 	__u8	tcpi_state;
222 	__u8	tcpi_ca_state;
223 	__u8	tcpi_retransmits;
224 	__u8	tcpi_probes;
225 	__u8	tcpi_backoff;
226 	__u8	tcpi_options;
227 	__u8	tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4;
228 	__u8	tcpi_delivery_rate_app_limited:1, tcpi_fastopen_client_fail:2;
230 	__u32	tcpi_rto;
231 	__u32	tcpi_ato;
232 	__u32	tcpi_snd_mss;
233 	__u32	tcpi_rcv_mss;
235 	__u32	tcpi_unacked;
236 	__u32	tcpi_sacked;
237 	__u32	tcpi_lost;
238 	__u32	tcpi_retrans;
239 	__u32	tcpi_fackets;
242 	__u32	tcpi_last_data_sent;
243 	__u32	tcpi_last_ack_sent;     /* Not remembered, sorry. */
244 	__u32	tcpi_last_data_recv;
245 	__u32	tcpi_last_ack_recv;
248 	__u32	tcpi_pmtu;
249 	__u32	tcpi_rcv_ssthresh;
250 	__u32	tcpi_rtt;
251 	__u32	tcpi_rttvar;
252 	__u32	tcpi_snd_ssthresh;
253 	__u32	tcpi_snd_cwnd;
254 	__u32	tcpi_advmss;
255 	__u32	tcpi_reordering;
257 	__u32	tcpi_rcv_rtt;
258 	__u32	tcpi_rcv_space;
260 	__u32	tcpi_total_retrans;
262 	__u64	tcpi_pacing_rate;
263 	__u64	tcpi_max_pacing_rate;
264 	__u64	tcpi_bytes_acked;    /* RFC4898 tcpEStatsAppHCThruOctetsAcked */
265 	__u64	tcpi_bytes_received; /* RFC4898 tcpEStatsAppHCThruOctetsReceived */
266 	__u32	tcpi_segs_out;	     /* RFC4898 tcpEStatsPerfSegsOut */
267 	__u32	tcpi_segs_in;	     /* RFC4898 tcpEStatsPerfSegsIn */
269 	__u32	tcpi_notsent_bytes;
270 	__u32	tcpi_min_rtt;
271 	__u32	tcpi_data_segs_in;	/* RFC4898 tcpEStatsDataSegsIn */
272 	__u32	tcpi_data_segs_out;	/* RFC4898 tcpEStatsDataSegsOut */
274 	__u64   tcpi_delivery_rate;
276 	__u64	tcpi_busy_time;      /* Time (usec) busy sending data */
277 	__u64	tcpi_rwnd_limited;   /* Time (usec) limited by receive window */
278 	__u64	tcpi_sndbuf_limited; /* Time (usec) limited by send buffer */
280 	__u32	tcpi_delivered;
281 	__u32	tcpi_delivered_ce;
283 	__u64	tcpi_bytes_sent;     /* RFC4898 tcpEStatsPerfHCDataOctetsOut */
284 	__u64	tcpi_bytes_retrans;  /* RFC4898 tcpEStatsPerfOctetsRetrans */
285 	__u32	tcpi_dsack_dups;     /* RFC4898 tcpEStatsStackDSACKDups */
286 	__u32	tcpi_reord_seen;     /* reordering events seen */
288 	__u32	tcpi_rcv_ooopack;    /* Out-of-order packets received */
290 	__u32	tcpi_snd_wnd;	     /* peer's advertised receive window after
293 	__u32	tcpi_rcv_wnd;	     /* local advertised receive window after
297 	__u32   tcpi_rehash;         /* PLB or timeout triggered rehash attempts */
299 	__u16	tcpi_total_rto;	/* Total number of RTO timeouts, including
302 	__u16	tcpi_total_rto_recoveries;	/* Total number of RTO
306 	__u32	tcpi_total_rto_time;	/* Total time spent in RTO recoveries