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| author | David Howells <[email protected]> | 2024-05-03 15:07:40 +0000 |
|---|---|---|
| committer | Jakub Kicinski <[email protected]> | 2024-05-08 15:05:03 +0000 |
| commit | 012b7206918dcc5a4dcf1432b3e643114c95957e (patch) | |
| tree | bba2060366789be71f1fd4060289e9665a256d82 /tools/testing/selftests/bpf/progs/sendmsg_unix_prog.c | |
| parent | rxrpc: Fix congestion control algorithm (diff) | |
| download | kernel-012b7206918dcc5a4dcf1432b3e643114c95957e.tar.gz kernel-012b7206918dcc5a4dcf1432b3e643114c95957e.zip | |
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 <[email protected]>
cc: Marc Dionne <[email protected]>
cc: [email protected]
Reviewed-by: Jeffrey Altman <[email protected] <mailto:[email protected]>>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/sendmsg_unix_prog.c')
0 files changed, 0 insertions, 0 deletions