linux/include
Marc Dionne 0cd3e3f3f2 rxrpc: Fix to request an ack if window is limited
Peers may only send immediate acks for every 2 UDP packets received.
When sending a jumbogram, it is important to check that there is
sufficient window space to send another same sized jumbogram following
the current one, and request an ack if there isn't.  Failure to do so may
cause the call to stall waiting for an ack until the resend timer fires.

Where jumbograms are in use this causes a very significant drop in
performance.

Fixes: fe24a54943 ("rxrpc: Send jumbo DATA packets")
Signed-off-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Jeffrey Altman <jaltman@auristor.com>
cc: Simon Horman <horms@kernel.org>
cc: linux-afs@lists.infradead.org
cc: stable@kernel.org
Link: https://patch.msgid.link/20260408121252.2249051-10-dhowells@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-08 18:44:33 -07:00
..
acpi mailbox: platform and core updates 2026-02-14 11:13:32 -08:00
asm-generic kbuild: Split .modinfo out from ELF_DETAILS 2026-02-26 11:50:19 -07:00
clocksource
crypto Networking changes for 7.0 2026-02-11 19:31:52 -08:00
cxl
drm drm/dp: Add definition for Panel Replay full-line granularity 2026-03-04 15:26:08 +02:00
dt-bindings phy-for-7.0 2026-02-17 11:40:04 -08:00
hyperv Revert "mshv: expose the scrub partition hypercall" 2026-03-11 16:54:24 +00:00
keys
kunit kunit: irq: Ensure timer doesn't fire too frequently 2026-02-24 14:44:21 -08:00
kvm
linux With fixes from wireless, bluetooth and Netfilter included we're back 2026-04-02 09:57:06 -07:00
math-emu
media [GIT PULL for v7.0] media updates 2026-02-11 12:20:25 -08:00
memory
misc
net xsk: fix XDP_UMEM_SG_FLAG issues 2026-04-06 18:43:51 -07:00
pcmcia
ras
rdma RDMA/core: Check id_priv->restricted_node_type in cma_listen_on_dev() 2026-02-25 07:50:10 -05:00
rv rv: Fix multiple definition of __pcpu_unique_da_mon_this 2026-02-20 13:12:00 +01:00
scsi SCSI misc on 20260212 2026-02-12 15:43:02 -08:00
soc
sound ASoC: SDCA: remove the max count of initialization table 2026-03-25 12:17:43 +00:00
target
trace rxrpc: Fix to request an ack if window is limited 2026-04-08 18:44:33 -07:00
uapi netfilter: ctnetlink: use netlink policy range checks 2026-03-26 13:28:17 +01:00
ufs
vdso
video
xen xen/xenbus: better handle backend crash 2026-03-04 15:31:40 +01:00
Kbuild