David Howells 1721afe2ad rxrpc: Only transmit one ACK per jumbo packet received ...

[ Upstream commit 012b720691 ]

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: 5d7edbc923 ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2024-05-17 12:02:23 +02:00

..

af_rxrpc.c

Merge tag 'net-next-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

2023-06-28 16:43:10 -07:00

ar-internal.h

rxrpc: Fix congestion control algorithm

2024-05-17 12:02:23 +02:00

call_accept.c

…

call_event.c

rxrpc: Fix counting of new acks and nacks

2024-02-16 19:10:50 +01:00

call_object.c

rxrpc: Fix congestion control algorithm

2024-05-17 12:02:23 +02:00

call_state.c

…

conn_client.c

rxrpc: Fix some minor issues with bundle tracing

2023-12-20 17:01:55 +01:00

conn_event.c

rxrpc: Fix the names of the fields in the ACK trailer struct

2024-05-17 12:02:23 +02:00

conn_object.c

rxrpc: Clients must accept conn from any address

2024-05-17 12:02:06 +02:00

conn_service.c

rxrpc_find_service_conn_rcu: fix the usage of read_seqbegin_or_lock()

2024-02-05 20:14:16 +00:00

input.c

rxrpc: Only transmit one ACK per jumbo packet received

2024-05-17 12:02:23 +02:00

insecure.c

…

io_thread.c

…

Kconfig

…

key.c

…

local_event.c

rxrpc: Truncate UTS_RELEASE for rxrpc version

2023-05-30 10:01:06 +02:00

local_object.c

rxrpc: Fix use of Don't Fragment flag

2024-01-25 15:35:56 -08:00

Makefile

…

misc.c

…

net_ns.c

…

output.c

rxrpc: Fix the names of the fields in the ACK trailer struct

2024-05-17 12:02:23 +02:00

peer_event.c

…

peer_object.c

…

proc.c

rxrpc: Fix generation of serial numbers to skip zero

2024-02-16 19:10:49 +01:00

protocol.h

rxrpc: Fix the names of the fields in the ACK trailer struct

2024-05-17 12:02:23 +02:00

recvmsg.c

…

rtt.c

…

rxkad.c

rxrpc: Fix generation of serial numbers to skip zero

2024-02-16 19:10:49 +01:00

rxperf.c

…

security.c

…

sendmsg.c

rxrpc: Fix timeout of a call that hasn't yet been granted a channel

2023-05-01 07:43:19 +01:00

server_key.c

…

skbuff.c

…

sysctl.c

…

txbuf.c

…

utils.c

…