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author | Paolo Abeni <pabeni@redhat.com> | 2021-01-20 15:39:11 +0100 |
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committer | Jakub Kicinski <kuba@kernel.org> | 2021-01-22 19:21:02 -0800 |
commit | 5cf92bbadc585e1bcb710df75293e07b7c846bb6 (patch) | |
tree | c3a7dbb7997121249090d64a88f88996e2446328 /lib/locking-selftest-mutex.h | |
parent | 866f26f2a9c33bc70eb0f07ffc37fd9424ffe501 (diff) | |
download | linux-5cf92bbadc585e1bcb710df75293e07b7c846bb6.tar.gz |
mptcp: re-enable sndbuf autotune
After commit 6e628cd3a8f7 ("mptcp: use mptcp release_cb for delayed tasks"), MPTCP never sets the flag bit SOCK_NOSPACE on its subflow. As a side effect, autotune never takes place, as it happens inside tcp_new_space(), which in turn is called only when the mentioned bit is set. Let's sendmsg() set the subflows NOSPACE bit when looking for more memory and use the subflow write_space callback to propagate the snd buf update and wake-up the user-space. Additionally, this allows dropping a bunch of duplicate code and makes the SNDBUF_LIMITED chrono relevant again for MPTCP subflows. Fixes: 6e628cd3a8f7 ("mptcp: use mptcp release_cb for delayed tasks") Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'lib/locking-selftest-mutex.h')
0 files changed, 0 insertions, 0 deletions