uapi/linux/tcp.h

228 struct tcp_info {  struct
229 	__u8	tcpi_state;
230 	__u8	tcpi_ca_state;
231 	__u8	tcpi_retransmits;
232 	__u8	tcpi_probes;
233 	__u8	tcpi_backoff;
234 	__u8	tcpi_options;
235 	__u8	tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4;
236 	__u8	tcpi_delivery_rate_app_limited:1, tcpi_fastopen_client_fail:2;
238 	__u32	tcpi_rto;
239 	__u32	tcpi_ato;
240 	__u32	tcpi_snd_mss;
241 	__u32	tcpi_rcv_mss;
243 	__u32	tcpi_unacked;
244 	__u32	tcpi_sacked;
245 	__u32	tcpi_lost;
246 	__u32	tcpi_retrans;
247 	__u32	tcpi_fackets;
250 	__u32	tcpi_last_data_sent;
251 	__u32	tcpi_last_ack_sent;     /* Not remembered, sorry. */
252 	__u32	tcpi_last_data_recv;
253 	__u32	tcpi_last_ack_recv;
256 	__u32	tcpi_pmtu;
257 	__u32	tcpi_rcv_ssthresh;
258 	__u32	tcpi_rtt;
259 	__u32	tcpi_rttvar;
260 	__u32	tcpi_snd_ssthresh;
261 	__u32	tcpi_snd_cwnd;
262 	__u32	tcpi_advmss;
263 	__u32	tcpi_reordering;
265 	__u32	tcpi_rcv_rtt;
266 	__u32	tcpi_rcv_space;
268 	__u32	tcpi_total_retrans;
270 	__u64	tcpi_pacing_rate;
271 	__u64	tcpi_max_pacing_rate;
272 	__u64	tcpi_bytes_acked;    /* RFC4898 tcpEStatsAppHCThruOctetsAcked */
273 	__u64	tcpi_bytes_received; /* RFC4898 tcpEStatsAppHCThruOctetsReceived */
274 	__u32	tcpi_segs_out;	     /* RFC4898 tcpEStatsPerfSegsOut */
275 	__u32	tcpi_segs_in;	     /* RFC4898 tcpEStatsPerfSegsIn */
277 	__u32	tcpi_notsent_bytes;
278 	__u32	tcpi_min_rtt;
279 	__u32	tcpi_data_segs_in;	/* RFC4898 tcpEStatsDataSegsIn */
280 	__u32	tcpi_data_segs_out;	/* RFC4898 tcpEStatsDataSegsOut */
282 	__u64   tcpi_delivery_rate;
284 	__u64	tcpi_busy_time;      /* Time (usec) busy sending data */
285 	__u64	tcpi_rwnd_limited;   /* Time (usec) limited by receive window */
286 	__u64	tcpi_sndbuf_limited; /* Time (usec) limited by send buffer */
288 	__u32	tcpi_delivered;
289 	__u32	tcpi_delivered_ce;
291 	__u64	tcpi_bytes_sent;     /* RFC4898 tcpEStatsPerfHCDataOctetsOut */
292 	__u64	tcpi_bytes_retrans;  /* RFC4898 tcpEStatsPerfOctetsRetrans */
293 	__u32	tcpi_dsack_dups;     /* RFC4898 tcpEStatsStackDSACKDups */
294 	__u32	tcpi_reord_seen;     /* reordering events seen */
296 	__u32	tcpi_rcv_ooopack;    /* Out-of-order packets received */
298 	__u32	tcpi_snd_wnd;	     /* peer's advertised receive window after
301 	__u32	tcpi_rcv_wnd;	     /* local advertised receive window after
305 	__u32   tcpi_rehash;         /* PLB or timeout triggered rehash attempts */
307 	__u16	tcpi_total_rto;	/* Total number of RTO timeouts, including
310 	__u16	tcpi_total_rto_recoveries;	/* Total number of RTO
314 	__u32	tcpi_total_rto_time;	/* Total time spent in RTO recoveries