On 10.6.2022. 10:37, Hrvoje Popovski wrote:
> while sending traffic from linux to openbsd ix0 with tso
netstat while sending traffic ....
smc24# netstat -sp tcp
tcp:
1933441 packets sent
3923 data packets (684390 bytes)
0 data packets (0 bytes) retransmitted
0 fast retransmitted packets
1597673 ack-only packets (1735982 delayed)
0 URG only packets
0 window probe packets
331809 window update packets
36 control packets
0 packets software-checksummed
3335314 packets received
1509 acks (for 683936 bytes)
6 duplicate acks
0 acks for unsent data
0 acks for old data
3309028 packets (24469203295 bytes) received in-sequence
1 completely duplicate packet (274 bytes)
0 old duplicate packets
0 packets with some duplicate data (0 bytes duplicated)
24600 out-of-order packets (35619352 bytes)
0 packets (0 bytes) of data after window
0 window probes
0 window update packets
7 packets received after close
14 discarded for bad checksums
0 discarded for bad header offset fields
0 discarded because packet too short
0 discarded for missing IPsec protection
0 discarded due to memory shortage
14 packets software-checksummed
0 bad/missing md5 checksums
0 good md5 checksums
14 connection requests
10 connection accepts
24 connections established (including accepts)
135 connections closed (including 0 drops)
0 connections drained
0 embryonic connections dropped
1280 segments updated rtt (of 1283 attempts)
1 retransmit timeout
0 connections dropped by rexmit timeout
0 persist timeouts
0 keepalive timeouts
0 keepalive probes sent
0 connections dropped by keepalive
0 correct ACK header predictions
3308838 correct data packet header predictions
318 PCB cache misses
295 dropped due to no socket
0 ECN connections accepted
0 ECE packets received
0 CWR packets received
0 CE packets received
0 ECT packets sent
0 ECE packets sent
0 CWR packets sent
cwr by fastrecovery: 0
cwr by timeout: 1
cwr by ecn: 0
3 bad connection attempts
0 SYN packets dropped due to queue or memory full
10 SYN cache entries added
0 hash collisions
10 completed
0 aborted (no space to build PCB)
0 timed out
0 dropped due to overflow
0 dropped due to bucket overflow
0 dropped due to RST
0 dropped due to ICMP unreachable
0 SYN,ACKs retransmitted
0 duplicate SYNs received for entries already in the cache
0 SYNs dropped (no route or no space)
1 SYN cache seed with new random
293 hash bucket array size in current SYN cache
0 entries in current SYN cache, limit is 10255
0 longest bucket length in current SYN cache, limit is 105
99990 uses of current SYN cache left
0 SACK recovery episodes
0 segment rexmits in SACK recovery episodes
0 byte rexmits in SACK recovery episodes
0 SACK options received
18763 SACK options sent
0 SACK options dropped
