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David Howells 4790963ef4 rxrpc: Fix decision on when to generate an IDLE ACK 
[ Upstream commit 9a3dedcf18 ]

Fix the decision on when to generate an IDLE ACK by keeping a count of the
number of packets we've received, but not yet soft-ACK'd, and the number of
packets we've processed, but not yet hard-ACK'd, rather than trying to keep
track of which DATA sequence numbers correspond to those points.

We then generate an ACK when either counter exceeds 2.  The counters are
both cleared when we transcribe the information into any sort of ACK packet
for transmission.  IDLE and DELAY ACKs are skipped if both counters are 0
(ie. no change).

Fixes: 805b21b929 ("rxrpc: Send an ACK after every few DATA packets we receive")
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-06-09 10:21:12 +02:00
..
acpi ACPICA: actypes.h: Expand the ACPI_ACCESS_ definitions 2022-01-27 10:54:18 +01:00
asm-generic tlb: hugetlb: Add more sizes to tlb_remove_huge_tlb_entry 2022-04-20 09:23:22 +02:00
clocksource clocksource/drivers/timer-ti-dm: Save and restore timer TIOCP_CFG 2021-07-14 16:56:12 +02:00
crypto crypto: drbg - make reseeding from get_random_bytes() synchronous 2022-06-06 08:42:42 +02:00
drm drm: fix EDID struct for old ARM OABI format 2022-06-09 10:20:59 +02:00
dt-bindings clk: imx8mq: remove SYS PLL 1/2 clock gates 2021-07-14 16:56:20 +02:00
keys certs: Add EFI_CERT_X509_GUID support for dbx entries 2021-06-30 08:47:30 -04:00
kunit kunit: fix display of failed expectations for strings 2020-11-10 13:45:15 -07:00
kvm ARM: 2020-10-23 11:17:56 -07:00
linux thermal/drivers/core: Use a char pointer for the cooling device name 2022-06-09 10:21:11 +02:00
math-emu
media media: subdev: disallow ioctl for saa6588/davinci 2021-07-19 09:45:02 +02:00
memory memory: renesas-rpc-if: Fix HF/OSPI data transfer in Manual Mode 2022-05-09 09:05:02 +02:00
misc
net lsm,selinux: pass flowi_common instead of flowi to the LSM hooks 2022-06-09 10:21:09 +02:00
pcmcia
ras mm,hwpoison: introduce MF_MSG_UNSPLIT_THP 2020-10-16 11:11:17 -07:00
rdma RDMA/netlink: Add __maybe_unused to static inline in C file 2021-11-26 10:39:21 +01:00
scsi scsi: iscsi: Fix conn cleanup and stop race during iscsid restart 2022-04-20 09:23:17 +02:00
soc firmware: raspberrypi: Keep count of all consumers 2021-09-15 09:50:41 +02:00
sound ALSA: jack: Access input_dev under mutex 2022-06-09 10:20:51 +02:00
target scsi: target: Fix ordered tag handling 2021-11-26 10:39:11 +01:00
trace rxrpc: Fix decision on when to generate an IDLE ACK 2022-06-09 10:21:12 +02:00
uapi include/uapi/linux/xfrm.h: Fix XFRM_MSG_MAPPING ABI breakage 2022-05-25 09:18:02 +02:00
vdso
video gpu: ipu-v3: remove unused functions 2020-10-26 10:42:38 +01:00
xen xen/gnttab: fix gnttab_end_foreign_access() without page specified 2022-03-11 12:11:54 +01:00