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Add support for the net stats64 counters to the usbnet core. With that
in place put the hooks into every usbnet driver to use it.
This is a strait forward addition of 64bit counters for RX and TX packet
and byte counts. It is done in the same style as for the other net drivers
that support stats64. Note that the other stats fields remain as 32bit
sized values (error counts, etc).
The motivation to add this is that it is not particularly difficult to
get the RX and TX byte counts to wrap on 32bit platforms.
Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.
As I don't have the hardware, I'd be very pleased if
someone may test this patch.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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asix_write_medium_mode
The call to asix_write_medium_mode is not updating the return code ret
and yet ret is being checked for an error. Fix this by assigning ret to
the return code from the call asix_write_medium_mode.
Detected by CoverityScan, CID#1357148 ("Logically Dead Code")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The USB core may call reset_resume when it fails to resume asix device.
And USB core can recovery this abnormal resume at low level driver,
the same .resume at asix driver can work too. Add .reset_resume can
avoid disconnecting after backing from system resume, and NFS can
still be mounted after this commit.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Couple conflicts resolved here:
1) In the MACB driver, a bug fix to properly initialize the
RX tail pointer properly overlapped with some changes
to support variable sized rings.
2) In XGBE we had a "CONFIG_PM" --> "CONFIG_PM_SLEEP" fix
overlapping with a reorganization of the driver to support
ACPI, OF, as well as PCI variants of the chip.
3) In 'net' we had several probe error path bug fixes to the
stmmac driver, meanwhile a lot of this code was cleaned up
and reorganized in 'net-next'.
4) The cls_flower classifier obtained a helper function in
'net-next' called __fl_delete() and this overlapped with
Daniel Borkamann's bug fix to use RCU for object destruction
in 'net'. It also overlapped with Jiri's change to guard
the rhashtable_remove_fast() call with a check against
tc_skip_sw().
5) In mlx4, a revert bug fix in 'net' overlapped with some
unrelated changes in 'net-next'.
6) In geneve, a stale header pointer after pskb_expand_head()
bug fix in 'net' overlapped with a large reorganization of
the same code in 'net-next'. Since the 'net-next' code no
longer had the bug in question, there was nothing to do
other than to simply take the 'net-next' hunks.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The change fixes AX88772_suspend() USB vendor commands failure issues.
Signed-off-by: Allan Chou <allan@asix.com.tw>
Tested-by: Allan Chou <allan@asix.com.tw>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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usbnet:
- Remove stale new_mtu <= 0 check in usbnet.c
- Set min_mtu = 0, max_mtu = 65535 (sub-drivers must set their own
max_mtu and/or min_mtu as needed)
r8152:
- Set appropriate max_mtu for different variants (1500 or 9194)
lan78xx:
- Set max_mtu = 9000
asix_driver:
- max_mtu = 16384 for ax88178 variant
ax88179:
- max_mtu = 4088
cdc_ncm:
- max_mtu from hardware
cdc-phonet:
- min_mtu = 6, max_mtu = 65541
sierra_net:
- max_mtu = 1500, call usbnet_change_mtu directly
- sierra_net_change_mtu checked for MTU > 1500, then called
usbnet_change_mtu, but if we set max_mtu to let the network core handle
the range check, then we can simply call usbnet_change_mtu directly
smsc75xx:
- max_mtu = 9000
CC: netdev@vger.kernel.org
CC: Woojung Huh <woojung.huh@microchip.com>
CC: Microchip Linux Driver Support <UNGLinuxDriver@microchip.com>
CC: Hayes Wang <hayeswang@realtek.com>
CC: Oliver Neukum <oneukum@suse.com>
CC: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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From: Grant Grundler <grundler@chromium.org>
The miii_nway_restart() causes a PHY link change activity and
ax88772_link_reset will be called. link_reset will set
AX_CMD_WRITE_MEDIUM_MODE register correctly.
The asix_write_medium_mode in reset() fills in a default value to the register
which may be different from the negotiation result. So do this first.
Ignore the ret value since it's ignored in XXX_link_reset() functions.
Signed-off-by: Grant Grundler <grundler@google.com>
Signed-off-by: Robert Foss <robert.foss@collabora.com>
Tested-by: Robert Foss <robert.foss@collabora.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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From: Grant Grundler <grundler@chromium.org>
https://lkml.org/lkml/2014/11/11/947
Ben Hutchings is correct. IEEE 802.3 spec section "22.2.4.1.1 Reset" requires
up to 500ms delay. Mitigate the "max" delay by polling the phy until BCM_RESET
bit is clear.
Signed-off-by: Grant Grundler <grundler@chromium.org>
Signed-off-by: Robert Foss <robert.foss@collabora.com>
Tested-by: Robert Foss <robert.foss@collabora.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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From: Allan Chou <allan@asix.com.tw>
The change fixes AX88772x resume failure by
- Restore incorrect AX88772A PHY registers when resetting
- Need to stop MAC operation when suspending
- Need to restart MII when restoring PHY
Signed-off-by: Allan Chou <allan@asix.com.tw>
Signed-off-by: Robert Foss <robert.foss@collabora.com>
Tested-by: Robert Foss <robert.foss@collabora.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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From: Vincent Palatin <vpalatin@chromium.org>
Check the answers from the USB stack and avoid re-sending multiple times
the request if the device has disappeared.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
Signed-off-by: Robert Foss <robert.foss@collabora.com>
Tested-by: Robert Foss <robert.foss@collabora.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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From: Freddy Xin <freddy@asix.com.tw>
In order to R/W registers in suspend/resume functions, in_pm flags are
added to some functions to determine whether the nopm version of usb
functions is called.
Save BMCR and ANAR PHY registers in suspend function and restore them
in resume function.
Reset HW in resume function to ensure the PHY works correctly.
Signed-off-by: Freddy Xin <freddy@asix.com.tw>
Signed-off-by: Robert Foss <robert.foss@collabora.com>
Tested-by: Robert Foss <robert.foss@collabora.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Just another AX88178-based 10/100/1000 USB-to-Ethernet dongle. This one
shows up in lsusb as: "ID 08dd:0114 Billionton Systems, Inc".
Signed-off-by: Chia-Sheng Chang <changchias@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Luca Ceresoli <luca@lucaceresoli.net>
Cc: Christoph Jaeger <cj@linux.com>
Cc: "Woojung.Huh@microchip.com" <Woojung.Huh@microchip.com>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Markus Elfring <elfring@users.sourceforge.net>
Cc: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Cc: netdev@vger.kernel.org
Cc: linux-usb@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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Just another AX88178-based 10/100/1000 USB-to-Ethernet dongle. This one
shows up in lsusb as: "Sitecom Europe B.V. LN-028 Network USB 2.0 Adapter".
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Cc: Francois Romieu <romieu@fr.zoreil.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-usb@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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The kfree() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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commit 3cc81d85ee01 ("asix: Don't reset PHY on if_up for ASIX 88772")
causes the ethernet on Arndale to no longer function. This appears to
be because the Arndale ethernet requires a full reset before it will
function correctly, however simply reverting the above patch causes
problems with ethtool settings getting reset.
It seems the problem is that the ethernet is not properly reset during
bind, and indeed the code in ax88772_bind that resets the device is a
very small subset of the actual ax88772_reset function. This patch uses
ax88772_reset in place of the existing reset code in ax88772_bind which
removes some code duplication and fixes the ethernet on Arndale.
It is still possible that the original patch causes some issues with
suspend and resume but that seems like a separate issue and I haven't
had a chance to test that yet.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Tested-by: Riku Voipio <riku.voipio@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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I've noticed every time the interface is set to 'up,', the kernel
reports that the link speed is set to 100 Mbps/Full Duplex, even
when ethtool is used to set autonegotiation to 'off', half
duplex, 10 Mbps.
It can be tested by:
ifconfig eth0 down
ethtool -s eth0 autoneg off speed 10 duplex half
ifconfig eth0 up
Then checking 'dmesg' for the link speed.
Signed-off-by: Michel Stam <m.stam@fugro.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The struct driver_info ax88178_info is assigned the function
asix_rx_fixup_common as it's rx_fixup callback. This means that
FLAG_MULTI_PACKET must be set as this function is cloning the
data and calling usbnet_skb_return. Not setting this flag leads
to usbnet_skb_return beeing called a second time from within
the rx_process function in the usbnet module.
Signed-off-by: Emil Goode <emilgoode@gmail.com>
Reported-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Several files refer to an old address for the Free Software Foundation
in the file header comment. Resolve by replacing the address with
the URL <http://www.gnu.org/licenses/> so that we do not have to keep
updating the header comments anytime the address changes.
CC: Oliver Neukum <oliver@neukum.org>
CC: Steve Glendinning <steve.glendinning@shawell.net>
CC: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Ensure that the definition of ax88172a_info matches the declaration seen
by users and silence sparse warnings about symbols without declarations
in the global namespace by moving the declaration into the shared header
asix.h.
Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch centralizes computing of max rx/tx qlen, because:
- RX_QLEN()/TX_QLEN() is called in hot path
- computing depends on device's usb speed, now we have ls/fs, hs, ss,
so more checks need to be involved
- in fact, max rx/tx qlen should not only depend on device USB
speed, but also depend on ethernet link speed, so we need to
consider that in future.
- if SG support is done, max tx qlen may need change too
Generally, hard_mtu and rx_urb_size are changed in bind(), reset()
and link_reset() callback, and change mtu network operation, this
patches introduces the API of usbnet_update_max_qlen(), and calls
it in above path.
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use usbnet_link_change to handle link change centrally.
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This USB ethernet adapter was purchased in anodyne packaging
from the computer store adjacent to linux.conf.au 2013 in
Canberra (Australia). A web search shows other recent
purchasers in Lancaster (UK) and Seattle (USA). Just like an
emergent virus, our age of e-commerce and airmail allows
underdocumented hardware to spread around the world instantly
using the vector of ridiculously low prices.
Paige Thompson, infected via eBay, discovered that the HG20F9
is a copy of the Asix 88772B; many viruses copy the RNA of
other viruses. See Paige's work at
<https://github.com/paigeadele/HG20F9>.
This patch uses her discovery to update the restructured Asix
driver in the current kernel.
Just as some viruses inhabit seemingly-healthy cells, the
HG20F9 uses the Vendor ID 0x066b assigned to Linksys Inc.
For the present there is no clash of Product ID 0x20f9.
Signed-off-by: Glen Turner <gdt@gdt.id.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ASIX AX88772B started to pack data even more tightly. Packets and the ASIX packet
header may now cross URB boundaries. To handle this we have to introduce
some state between individual calls to asix_rx_fixup().
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The device comes up with a MAC address of all zeros. We need to read the
initial device MAC from EEPROM so it can be set properly later.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: linux-usb@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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This dongle ships with the X1 Carbon, and has an AX88772B
usb to ethernet chip in it.
Signed-off-by: Quinlan Pfiffer <qpfiffer@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Conflicts:
drivers/net/team/team.c
drivers/net/usb/qmi_wwan.c
net/batman-adv/bat_iv_ogm.c
net/ipv4/fib_frontend.c
net/ipv4/route.c
net/l2tp/l2tp_netlink.c
The team, fib_frontend, route, and l2tp_netlink conflicts were simply
overlapping changes.
qmi_wwan and bat_iv_ogm were of the "use HEAD" variety.
With help from Antonio Quartulli.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The dbg() USB macro is so old, it predates me. The USB networking drivers are
the last hold-out using this macro, and we want to get rid of it, so replace
the usage of it with the proper netdev_dbg() or dev_dbg() (depending on the
context) calls.
Some places we end up using a local variable for the debug call, so also
convert the other existing dev_* calls to use it as well, to save tiny amounts
of code space.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Søren Holm <sgh@sgh.dk>
Cc: stable@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds the asix_set_eeprom() function to provide support for
programming the configuration EEPROM via ethtool.
Signed-off-by: Christian Riesch <christian.riesch@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The current code for reading the EEPROM via ethtool in the asix
driver has a few issues. It cannot handle odd length values
(accesses must be aligned at 16 bit boundaries) and interprets the
offset provided by ethtool as 16 bit word offset instead as byte offset.
The new code for asix_get_eeprom() introduced by this patch is
modeled after the code in
drivers/net/ethernet/atheros/atl1e/atl1e_ethtool.c
and provides read access to the entire EEPROM with arbitrary
offsets and lengths.
Signed-off-by: Christian Riesch <christian.riesch@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The Asix AX88172A is a USB 2.0 Ethernet interface that supports both an
internal PHY as well as an external PHY (connected via MII).
This patch adds a driver for the AX88172A and provides support for
both modes and the phylib.
Signed-off-by: Christian Riesch <christian.riesch@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow the new driver for the AX88172A to share code with the
existing drivers for ASIX devices.
Signed-off-by: Christian Riesch <christian.riesch@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch further creates two additional copies of asix.c.
In another patch these copies will be used to factor out
common code.
Signed-off-by: Christian Riesch <christian.riesch@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
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