| // Test RFC3168 fallback when sysctl asks for AccECN | |
| `./defaults.sh | |
| sysctl -q net.ipv4.tcp_ecn=3 | |
| ` | |
| 0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3 | |
| +0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 | |
| +0 bind(3, ..., ...) = 0 | |
| +0 listen(3, 1) = 0 | |
| +0 < SEW 0:0(0) win 32792 <mss 1050,nop,nop,sackOK,nop,wscale 8> | |
| +.002 > SE. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 8> | |
| +0.05 < . 1:1(0) ack 1 win 320 | |
| +.002 accept(3, ..., ...) = 4 | |
| +0.01 write(4, ..., 1000) = 1000 | |
| +.002 > [ect0] P. 1:1001(1000) ack 1 |