| // SPDX-License-Identifier: GPL-2.0 |
| // Test TCP does not append any data from consequent writes to the tail |
| // skb created for the chunk. The large chunk itself should be packetized as |
| // usual. |
| `./defaults.sh |
| ` |
| |
| // Initialize connection |
| 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 < S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 10> |
| +0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 8> |
| +.01 < . 1:1(0) ack 1 win 514 |
| |
| +0 accept(3, ..., ...) = 4 |
| |
| // Write a 10400B chunk to fill the ICW, and have a 400 byte skb sitting on |
| // the tail. |
| +0 write(4, ..., 10400) = 10400 |
| |
| // Write another 10040B chunk with no coalescing options. |
| +0 send(4, ..., 10400, MSG_EOR) = 10400 |
| |
| // Write a 2KB chunk. This chunk should not be appended to the packets created |
| // the previous chunk. |
| +0 write(4, ..., 2000) = 2000 |
| |
| +0 > P. 1:10001(10000) ack 1 |
| +.001 < . 1:1(0) ack 10001 win 514 |
| // Now we have enough room to send out the 2 x 400B packets out. |
| +0 > P. 10001:20801(10800) ack 1 |
| +.001 < . 1:1(0) ack 20801 win 514 |
| // This 2KB packet should be sent alone. |
| +0 > P. 20801:22801(2000) ack 1 |
| +.001 < . 1:1(0) ack 22801 win 514 |
