diff options
| author | Menglong Dong <[email protected]> | 2023-08-11 10:55:27 +0800 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2023-08-13 12:21:37 +0100 |
| commit | e2142825c120d4317abf7160a0fc34b3de532586 (patch) | |
| tree | 0689682aa43833ae1414c7b94557034b61ad2f48 /tools/perf/scripts/python/task-analyzer.py | |
| parent | 3e6860ec3a2252249e310b0e6e88e2258171b3d0 (diff) | |
net: tcp: send zero-window ACK when no memory
For now, skb will be dropped when no memory, which makes client keep
retrans util timeout and it's not friendly to the users.
In this patch, we reply an ACK with zero-window in this case to update
the snd_wnd of the sender to 0. Therefore, the sender won't timeout the
connection and will probe the zero-window with the retransmits.
Signed-off-by: Menglong Dong <[email protected]>
Reviewed-by: Eric Dumazet <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/task-analyzer.py')
0 files changed, 0 insertions, 0 deletions