+struct sppstat {
+ long spps_connattempt; /* connections initiated */
+ long spps_accepts; /* connections accepted */
+ long spps_connects; /* connections established */
+ long spps_drops; /* connections dropped */
+ long spps_conndrops; /* embryonic connections dropped */
+ long spps_closed; /* conn. closed (includes drops) */
+ long spps_segstimed; /* segs where we tried to get rtt */
+ long spps_rttupdated; /* times we succeeded */
+ long spps_delack; /* delayed acks sent */
+ long spps_timeoutdrop; /* conn. dropped in rxmt timeout */
+ long spps_rexmttimeo; /* retransmit timeouts */
+ long spps_persisttimeo; /* persist timeouts */
+ long spps_keeptimeo; /* keepalive timeouts */
+ long spps_keepprobe; /* keepalive probes sent */
+ long spps_keepdrops; /* connections dropped in keepalive */
+
+ long spps_sndtotal; /* total packets sent */
+ long spps_sndpack; /* data packets sent */
+ long spps_sndbyte; /* data bytes sent */
+ long spps_sndrexmitpack; /* data packets retransmitted */
+ long spps_sndrexmitbyte; /* data bytes retransmitted */
+ long spps_sndacks; /* ack-only packets sent */
+ long spps_sndprobe; /* window probes sent */
+ long spps_sndurg; /* packets sent with URG only */
+ long spps_sndwinup; /* window update-only packets sent */
+ long spps_sndctrl; /* control (SYN|FIN|RST) packets sent */
+ long spps_sndvoid; /* couldn't find requested packet*/
+
+ long spps_rcvtotal; /* total packets received */
+ long spps_rcvpack; /* packets received in sequence */
+ long spps_rcvbyte; /* bytes received in sequence */
+ long spps_rcvbadsum; /* packets received with ccksum errs */
+ long spps_rcvbadoff; /* packets received with bad offset */
+ long spps_rcvshort; /* packets received too short */
+ long spps_rcvduppack; /* duplicate-only packets received */
+ long spps_rcvdupbyte; /* duplicate-only bytes received */
+ long spps_rcvpartduppack; /* packets with some duplicate data */
+ long spps_rcvpartdupbyte; /* dup. bytes in part-dup. packets */
+ long spps_rcvoopack; /* out-of-order packets received */
+ long spps_rcvoobyte; /* out-of-order bytes received */
+ long spps_rcvpackafterwin; /* packets with data after window */
+ long spps_rcvbyteafterwin; /* bytes rcvd after window */
+ long spps_rcvafterclose; /* packets rcvd after "close" */
+ long spps_rcvwinprobe; /* rcvd window probe packets */
+ long spps_rcvdupack; /* rcvd duplicate acks */
+ long spps_rcvacktoomuch; /* rcvd acks for unsent data */
+ long spps_rcvackpack; /* rcvd ack packets */
+ long spps_rcvackbyte; /* bytes acked by rcvd acks */
+ long spps_rcvwinupd; /* rcvd window update packets */
+};