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Baruch Siach b6cb454185 net: stmmac: avoid rx queue overrun 
dma_rx_size can be set as low as 64. Rx budget might be higher than
that. Make sure to not overrun allocated rx buffers when budget is
larger.

Leave one descriptor unused to avoid wrap around of 'dirty_rx' vs
'cur_rx'.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Fixes: 47dd7a540b8a ("net: add support for STMicroelectronics Ethernet controllers.")
Link: https://lore.kernel.org/r/d95413e44c97d4692e72cec13a75f894abeb6998.1699897370.git.baruch@tkos.co.il
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-11-14 19:48:03 -08:00
..
accel
As usual, lots of singleton and doubleton patches all over the tree and
2023-11-02 20:53:31 -10:00
accessibility
…
acpi
RISC-V Patches for the 6.7 Merge Window, Part 1
2023-11-08 09:21:18 -08:00
amba
…
android
Char/Misc and other driver changes for 6.7-rc1
2023-11-03 14:51:08 -10:00
ata
ATA changes for 6.7-rc1
2023-11-01 12:50:12 -10:00
atm
pci-v6.7-changes
2023-11-02 14:05:18 -10:00
auxdisplay
…
base
regmap: Fix for v6.7
2023-11-07 16:56:10 -08:00
bcma
…
block
vhost,virtio,vdpa: features, fixes, cleanups
2023-11-05 09:02:32 -10:00
bluetooth
Bluetooth: btmtksdio: enable bluetooth wakeup in system suspend
2023-10-23 11:04:51 -07:00
bus
SoC driver updates for 6.7
2023-11-01 14:46:51 -10:00
cache
riscv: RISCV_NONSTANDARD_CACHE_OPS shouldn't depend on RISCV_DMA_NONCOHERENT
2023-10-26 09:42:37 +02:00
cdrom
…
cdx
Char/Misc and other driver changes for 6.7-rc1
2023-11-03 14:51:08 -10:00
char
Char/Misc and other driver changes for 6.7-rc1
2023-11-03 14:51:08 -10:00
clk
SoC driver updates for 6.7
2023-11-01 14:46:51 -10:00
clocksource
RISC-V Patches for the 6.7 Merge Window, Part 1
2023-11-08 09:21:18 -08:00
comedi
…
connector
Fix NULL pointer dereference in cn_filter()
2023-10-24 10:53:45 +02:00
counter
…
cpufreq
Merge branch 'pm-cpufreq'
2023-11-07 20:45:12 +01:00
cpuidle
…
crypto
crypto: talitos - stop using crypto_ahash::init
2023-10-27 18:04:29 +08:00
cxl
cxl/pci: Change CXL AER support check to use native AER
2023-11-02 14:09:01 -07:00
dax
Many singleton patches against the MM code. The patch series which are
2023-11-02 19:38:47 -10:00
dca
…
devfreq
…
dio
…
dma
dmaengine updates for v6.7
2023-11-03 18:56:51 -10:00
dma-buf
As usual, lots of singleton and doubleton patches all over the tree and
2023-11-02 20:53:31 -10:00
dpll
…
edac
hardening updates for v6.7-rc1
2023-10-30 19:09:55 -10:00
eisa
…
extcon
…
firewire
firewire: Annotate struct fw_node with __counted_by
2023-11-05 21:15:17 +09:00
firmware
TTY/Serial changes for 6.7-rc1
2023-11-03 15:44:25 -10:00
fpga
Char/Misc and other driver changes for 6.7-rc1
2023-11-03 14:51:08 -10:00
fsi
…
gnss
…
gpio
pwm: Changes for v6.7-rc1
2023-11-09 13:47:52 -08:00
gpu
pwm: Changes for v6.7-rc1
2023-11-09 13:47:52 -08:00
greybus
greybus: Add BeaglePlay Linux Driver
2023-10-27 13:19:04 +02:00
hid
Char/Misc and other driver changes for 6.7-rc1
2023-11-03 14:51:08 -10:00
hsi
…
hte
hte: Changes for v6.7-rc1
2023-10-31 18:32:51 -10:00
hv
TTY/Serial changes for 6.7-rc1
2023-11-03 15:44:25 -10:00
hwmon
hwmon updates for v6.7-rc1
2023-10-31 17:44:17 -10:00
hwspinlock
…
hwtracing
…
i2c
i2c: cp2615: Fix 'assignment to __be16' warning
2023-11-08 10:27:17 +01:00
i3c
I3C for 6.7
2023-11-04 16:25:36 -10:00
idle
…
iio
Char/Misc and other driver changes for 6.7-rc1
2023-11-03 14:51:08 -10:00
infiniband
RDMA for v6.7
2023-11-02 15:20:30 -10:00
input
Input updates for 6.7 merge window:
2023-11-09 14:18:42 -08:00
interconnect
…
iommu
IOMMU Updates for Linux v6.7
2023-11-09 13:37:28 -08:00
ipack
…
irqchip
arm64 updates for 6.7:
2023-11-01 09:34:55 -10:00
isdn
hardening updates for v6.7-rc1
2023-10-30 19:09:55 -10:00
leds
pwm: Changes for v6.7-rc1
2023-11-09 13:47:52 -08:00
macintosh
powerpc updates for 6.7
2023-11-03 10:07:39 -10:00
mailbox
Moving repo
2023-11-05 18:45:32 -08:00
mcb
mcb: fix error handling for different scenarios when parsing
2023-10-21 23:04:02 +02:00
md
Many singleton patches against the MM code. The patch series which are
2023-11-02 19:38:47 -10:00
media
media updates for v6.7-rc1
2023-11-06 15:06:06 -08:00
memory
IOMMU Updates for Linux v6.7
2023-11-09 13:37:28 -08:00
memstick
…
message
scsi: message: fusion: Initialize return value in mptfc_bus_reset()
2023-10-24 22:36:39 -04:00
mfd
- Core Frameworks
2023-11-02 14:40:51 -10:00
misc
RISC-V Patches for the 6.7 Merge Window, Part 1
2023-11-08 09:21:18 -08:00
mmc
mmc: Merge branch fixes into next
2023-10-27 12:00:35 +02:00
most
…
mtd
This pull request contains updates for UBI and UBIFS
2023-11-05 08:28:32 -10:00
mux
…
net
net: stmmac: avoid rx queue overrun
2023-11-14 19:48:03 -08:00
nfc
…
ntb
…
nubus
…
nvdimm
…
nvme
for-6.7/block-2023-10-30
2023-11-01 12:30:07 -10:00
nvmem
Char/Misc and other driver changes for 6.7-rc1
2023-11-03 14:51:08 -10:00
of
Devicetree updates for 6.7:
2023-10-31 18:50:13 -10:00
opp
…
parisc
parisc/power: Trivial whitespace cleanups and license update
2023-10-30 14:54:40 +01:00
parport
Char/Misc and other driver changes for 6.7-rc1
2023-11-03 14:51:08 -10:00
pci
cxl for v6.7
2023-11-04 16:20:36 -10:00
pcmcia
PCMCIA odd cleanups and fixes for v6.7-rc1
2023-11-07 16:40:42 -08:00
peci
…
perf
sysctl-6.7-rc1
2023-11-01 20:51:41 -10:00
phy
phy-for-6.6
2023-11-03 19:06:12 -10:00
pinctrl
pinctrl: nuvoton: npcm8xx: drop wrappers around pinctrl_gpio_request/free()
2023-11-04 10:23:23 +01:00
platform
Major microcode loader restructuring, cleanup and improvements by Thomas
2023-11-04 08:46:37 -10:00
pmdomain
SoC driver updates for 6.7
2023-11-01 14:46:51 -10:00
pnp
…
power
USB/Thunderbolt changes for 6.7-rc1
2023-11-03 16:00:42 -10:00
powercap
powercap: intel_rapl: Downgrade BIOS locked limits pr_warn() to pr_debug()
2023-10-24 22:07:07 +02:00
pps
…
ps3
…
ptp
ptp: annotate data-race around q->head and q->tail
2023-11-13 20:51:37 -08:00
pwm
pwm: samsung: Document new member .channel in struct samsung_pwm_chip
2023-11-03 12:00:41 +01:00
rapidio
…
ras
…
regulator
regulator: Merge up pending fix
2023-10-30 13:14:27 +00:00
remoteproc
…
reset
reset: Annotate struct reset_control_array with __counted_by
2023-10-24 14:10:04 -07:00
rpmsg
rpmsg: virtio: Replace deprecated strncpy with strscpy/_pad
2023-10-23 13:11:07 -06:00
rtc
RTC for 6.7
2023-11-05 18:49:40 -08:00
s390
Including fixes from netfilter and bpf.
2023-11-09 17:09:35 -08:00
sbus
…
scsi
As usual, lots of singleton and doubleton patches all over the tree and
2023-11-02 20:53:31 -10:00
sh
sh: Remove superhyway bus support
2023-10-25 16:50:11 +02:00
siox
…
slimbus
…
soc
powerpc updates for 6.7
2023-11-03 10:07:39 -10:00
soundwire
soundwire updates for 6.7
2023-11-03 19:10:41 -10:00
spi
USB/Thunderbolt changes for 6.7-rc1
2023-11-03 16:00:42 -10:00
spmi
spmi: rename spmi device lookup helper
2023-11-01 10:02:18 +00:00
ssb
…
staging
pwm: Changes for v6.7-rc1
2023-11-09 13:47:52 -08:00
target
SCSI misc on 20231102
2023-11-02 15:13:50 -10:00
tc
…
tee
…
thermal
Thermal control updates for 6.7-rc1
2023-10-31 15:28:37 -10:00
thunderbolt
USB/Thunderbolt changes for 6.7-rc1
2023-11-03 16:00:42 -10:00
tty
TTY/Serial changes for 6.7-rc1
2023-11-03 15:44:25 -10:00
ufs
SCSI misc on 20231102
2023-11-02 15:13:50 -10:00
uio
…
usb
USB/Thunderbolt changes for 6.7-rc1
2023-11-03 16:00:42 -10:00
vdpa
vdpa_sim: implement .reset_map support
2023-11-01 09:20:00 -04:00
vfio
Char/Misc and other driver changes for 6.7-rc1
2023-11-03 14:51:08 -10:00
vhost
vhost,virtio,vdpa: features, fixes, cleanups
2023-11-05 09:02:32 -10:00
video
TTY/Serial changes for 6.7-rc1
2023-11-03 15:44:25 -10:00
virt
configfs-tsm for v6.7
2023-11-04 15:58:13 -10:00
virtio
vhost,virtio,vdpa: features, fixes, cleanups
2023-11-05 09:02:32 -10:00
vlynq
…
w1
nvmem: add explicit config option to read old syntax fixed OF cells
2023-10-21 19:19:06 +02:00
watchdog
linux-watchdog 6.7-rc1 tag
2023-11-09 13:54:25 -08:00
xen
Many singleton patches against the MM code. The patch series which are
2023-11-02 19:38:47 -10:00
zorro
…
Kconfig
- Move Kconfig files into the pmdomain subsystem
2023-11-01 13:09:46 -10:00
Makefile
…