diff options
| author | David Howells <dhowells@redhat.com> | 2024-05-03 16:07:40 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-05-08 08:05:03 -0700 |
| commit | 012b7206918dcc5a4dcf1432b3e643114c95957e (patch) | |
| tree | bba2060366789be71f1fd4060289e9665a256d82 /net/unix/sysctl_net_unix.c | |
| parent | ba4e103848d3a2a28a0445e39f4a9564187efe54 (diff) | |
rxrpc: Only transmit one ACK per jumbo packet received
Only generate one ACK packet for all the subpackets in a jumbo packet. If
we would like to generate more than one ACK, we prioritise them base on
their reason code, in the order, highest first:
OutOfSeq > NoSpace > ExceedsWin > Duplicate > Requested > Delay > Idle
For the first four, we reference the lowest offending subpacket; for the
last three, the highest.
This reduces the number of ACKs we end up transmitting to one per UDP
packet transmitted to reduce network loading and packet parsing.
Fixes: 5d7edbc9231e ("rxrpc: Get rid of the Rx ring")
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
Reviewed-by: Jeffrey Altman <jaltman@auristor.com <mailto:jaltman@auristor.com>>
Link: https://lore.kernel.org/r/20240503150749.1001323-3-dhowells@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/unix/sysctl_net_unix.c')
0 files changed, 0 insertions, 0 deletions