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Claudiu Manoil a9b97286fe gianfar: Maximize Rx buffer size 
Until now the size of a Rx buffer was artificially limited
to 1536B (which happens to be the default, after reset, hardware
value for a Rx buffer). This approach however leaves unused
memory space for Rx packets, since the driver uses a paged
allocation scheme that reserves half a page for each Rx skb.
There's also the inconvenience that frames around 1536 bytes
can get scattered if the limit is slightly exceeded. This limit
can be exceeded even for standard MTU of 1500B traffic, for common
cases like stacked VLANs, or DSA tags.
To address these issues, let's just compute the buffer size
starting from the upper limit of 2KB (half a page) and
subtract the skb overhead and alignment restrictions.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-06 10:25:20 -08:00
..
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acpi Power management fix for 5.4-rc6 2019-11-01 09:30:48 -07:00
amba ARM updates for 5.4-rc: 2019-10-23 06:26:33 -04:00
android binder: Don't modify VMA bounds in ->mmap handler 2019-10-17 05:58:44 -07:00
ata ata: libahci_platform: Fix regulator_get_optional() misuse 2019-10-25 14:22:20 -06:00
atm atm: remove unneeded semicolon 2019-10-28 16:47:22 -07:00
auxdisplay It's a somewhat calmer cycle for docs this time, as the churn of the mass 2019-09-17 16:22:26 -07:00
base PM: QoS: Drop frequency QoS types from device PM QoS 2019-10-21 02:05:21 +02:00
bcma bcma: fix block comment style 2019-10-24 08:45:31 +03:00
block nbd: verify socket is supported during setup 2019-10-25 14:37:21 -06:00
bluetooth Bluetooth: hci_bcm: Fix RTS handling during startup 2019-10-21 17:05:14 +02:00
bus Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-02 13:54:56 -07:00
cdrom
char char/random: Add a newline at the end of the file 2019-10-02 13:49:43 -07:00
clk Merge tag 'fix-missing-panels' into fixes 2019-10-04 09:06:41 -07:00
clocksource timer-of: don't use conditional expression with mixed 'void' types 2019-10-02 16:16:07 -07:00
connector
counter
cpufreq cpufreq: Cancel policy update work scheduled before freeing 2019-10-22 18:07:30 +02:00
cpuidle cpuidle: haltpoll: Take 'idle=' override into account 2019-10-22 11:43:17 +02:00
crypto Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-02 13:54:56 -07:00
dax
dca
devfreq
dio
dma dmaengine: cppi41: Fix cppi41_dma_prep_slave_sg() when idle 2019-10-23 21:15:21 +05:30
dma-buf dma-buf/resv: fix exclusive fence get 2019-10-10 17:05:20 +02:00
edac EDAC/ghes: Fix Use after free in ghes_edac remove path 2019-10-17 11:27:05 +02:00
eisa
extcon chrome platform changes for v5.4 2019-09-19 14:14:28 -07:00
firewire
firmware Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-02 13:54:56 -07:00
fpga Char/Misc driver patches for 5.4-rc1 2019-09-18 11:14:31 -07:00
fsi
gnss
gpio gpio: lynxpoint: set default handler to be handle_bad_irq() 2019-10-15 01:19:05 +02:00
gpu Merge tag 'drm-fixes-5.4-2019-10-30' of git://people.freedesktop.org/~agd5f/linux into drm-fixes 2019-11-01 11:27:39 +10:00
greybus
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid 2019-10-28 14:26:33 +01:00
hsi HSI changes for the 5.4 series 2019-09-22 12:02:21 -07:00
hv Drivers: hv: vmbus: Fix harmless building warnings without CONFIG_PM_SLEEP 2019-10-01 14:49:45 -04:00
hwmon hwmon: (nct7904) Add array fan_alarm and vsen_alarm to store the alarms in nct7904_data struct. 2019-10-02 06:42:48 -07:00
hwspinlock
hwtracing Char/Misc driver patches for 5.4-rc1 2019-09-18 11:14:31 -07:00
i2c i2c: stm32f7: remove warning when compiling with W=1 2019-10-24 20:52:21 +02:00
i3c
ide
idle
iio First set of IIO fixes for the 5.4 cycle. 2019-10-10 11:18:37 +02:00
infiniband RDMA/hns: Prevent memory leaks of eq->buf_list 2019-10-28 15:06:38 -03:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2019-10-25 17:31:53 -04:00
interconnect
iommu iommu/vt-d: Fix panic after kexec -p for kdump 2019-10-30 10:30:22 +01:00
ipack
irqchip irqchip updates for 5.4, take 2 2019-10-25 14:25:15 +02:00
isdn mISDN: remove unused variable 'faxmodulation_s' 2019-11-03 19:10:30 -08:00
leds leds: lm3532: Fix optional led-max-microamp prop error handling 2019-09-12 20:45:52 +02:00
lightnvm lightnvm: print error when target is not found 2019-09-05 13:17:01 -06:00
macintosh cpufreq: Use per-policy frequency QoS 2019-10-21 02:05:21 +02:00
mailbox mailbox: qcom-apcs: fix max_register value 2019-09-17 00:54:29 -05:00
mcb
md for-linus-2019-10-18 2019-10-18 22:29:36 -04:00
media media: stkwebcam: fix runtime PM after driver unbind 2019-10-04 14:38:46 +02:00
memory
memstick memstick: jmb38x_ms: Fix an error handling path in 'jmb38x_ms_probe()' 2019-10-09 11:08:03 +02:00
message
mfd mfd: mt6397: Fix probe after changing mt6397-core 2019-10-24 08:49:25 +01:00
misc misc: fastrpc: prevent memory leak in fastrpc_dma_buf_attach 2019-10-04 18:22:14 +02:00
mmc mmc: mxs: fix flags passed to dmaengine_prep_slave_sg 2019-10-21 16:16:38 +02:00
mtd mtd: rawnand: au1550nd: Fix au_read_buf16() prototype 2019-10-07 09:56:36 +02:00
mux
net gianfar: Maximize Rx buffer size 2019-11-06 10:25:20 -08:00
nfc nfc: pn532_uart: Make use of pn532 autopoll 2019-10-29 21:05:26 -07:00
ntb NTB: fix IDT Kconfig typos/spellos 2019-09-23 17:20:40 -04:00
nubus
nvdimm libnvdimm fixes v5.4-rc1 2019-09-29 10:33:41 -07:00
nvme Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-01 17:48:11 -07:00
nvmem Char/Misc driver patches for 5.4-rc1 2019-09-18 11:14:31 -07:00
of net: of_get_phy_mode: Change API to solve int/unit warnings 2019-11-04 11:21:25 -08:00
opp opp: Reinitialize the list_kref before adding the static OPPs again 2019-10-23 10:58:44 +05:30
oprofile
parisc parisc: Remove 32-bit DMA enforcement from sba_iommu 2019-10-14 21:44:26 +02:00
parport Char/Misc driver patches for 5.4-rc1 2019-09-18 11:14:31 -07:00
pci PCI: PM: Fix pci_power_up() 2019-10-15 23:51:36 +02:00
pcmcia Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2019-09-28 08:14:15 -07:00
perf
phy pci-v5.4-changes 2019-09-23 19:16:01 -07:00
pinctrl pinctrl: aspeed-g6: Rename SD3 to EMMC and rework pin groups 2019-10-16 15:58:27 +02:00
platform platform/x86: i2c-multi-instantiate: Fail the probe if no IRQ provided 2019-10-14 15:31:50 +03:00
pnp
power power supply and reset changes for the v5.4 series 2019-09-22 12:04:59 -07:00
powercap Power management updates for 5.4-rc1 2019-09-17 19:15:14 -07:00
pps
ps3
ptp ptp: Add a ptp clock driver for IDT ClockMatrix. 2019-11-03 17:35:40 -08:00
pwm pwm: Changes for v5.4-rc1 2019-09-27 12:19:47 -07:00
rapidio
ras
regulator regulator: Fixes for v5.4 2019-10-23 15:31:17 -04:00
remoteproc remoteproc updates for v5.4 2019-09-22 10:55:08 -07:00
reset ARM: SoC fixes 2019-09-30 10:04:28 -07:00
rpmsg rpmsg: glink-smem: Name the edge based on parent remoteproc 2019-09-17 15:33:31 -07:00
rtc RTC for 5.4 2019-09-22 11:05:43 -07:00
s390 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-02 13:54:56 -07:00
sbus
scsi SCSI fixes on 20191025 2019-10-25 20:11:33 -04:00
sfi
sh
siox
slimbus
soc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-02 13:54:56 -07:00
soundwire soundwire updates for v5.4-rc1 2019-09-22 10:52:23 -07:00
spi spi: Add a PTP system timestamp to the transfer structure 2019-10-08 17:38:15 +01:00
spmi
ssb ssb: make array pwr_info_offset static const, makes object smaller 2019-09-13 17:23:18 +03:00
staging Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-02 13:54:56 -07:00
target SCSI fixes on 20191025 2019-10-25 20:11:33 -04:00
tc
tee tee/shm: untag user pointers in tee_shm_register 2019-09-25 17:51:41 -07:00
thermal cpufreq: Use per-policy frequency QoS 2019-10-21 02:05:21 +02:00
thunderbolt
tty 8250-men-mcb: fix error checking when get_num_ports returns -ENODEV 2019-10-15 21:38:41 +02:00
uio Char/Misc driver patches for 5.4-rc1 2019-09-18 11:14:31 -07:00
usb usb: cdns3: Error out if USB_DR_MODE_UNKNOWN in cdns3_core_init_role() 2019-10-18 12:00:15 -07:00
vfio vfio/type1: Initialize resv_msi_base 2019-10-15 14:07:01 -06:00
vhost vringh: fix copy direction of vringh_iov_push_kern() 2019-10-28 04:25:04 -04:00
video video/logo: do not generate unneeded logo C files 2019-10-05 15:29:49 +09:00
virt virt: vbox: fix memory leak in hgcm_call_preprocess_linaddr 2019-10-10 14:50:32 +02:00
virtio virtio_ring: fix stalls for packed rings 2019-10-28 04:24:46 -04:00
visorbus
vlynq
vme
w1 w1: ds250x: Fix build error without CRC16 2019-10-10 15:35:41 +02:00
watchdog linux-watchdog 5.4-rc1 tag 2019-09-27 11:17:38 -07:00
xen Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-10-19 17:09:11 -04:00
zorro
Kconfig Staging/IIO driver patches for 5.4-rc1 2019-09-18 11:05:34 -07:00
Makefile Staging/IIO driver patches for 5.4-rc1 2019-09-18 11:05:34 -07:00