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We'll be sharing clocks between multiple functions with their own MAC
addresses. The name field is now documented as 'A short "friendly
name" to identify the clock ...' and '... not meant to be a unique
id.' So use the name 'sfc'.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
We need a dedicated channel on Siena to ensure we can match up
the separate RX and timestamp events for each PTP packet. We won't
do this for EF10 as timestamps are delivered inline.
Pass a channel index of 0 to MC_CMD_PTP_OP_ENABLE when there is no
dedicated channel.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
The MC firmware will return error MC_CMD_ERR_ENOSPC if filter
insertion fails due to lack of resources. The net driver's filter
implementation for Falcon-architecture returns EBUSY. They should
behave consistently, so for EF10 change ENOSPC to EBUSY.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
efx_flush_all() is a really misleading name - it has nothing to do
with e.g. flushing DMA queues. Since it's called immediately after
efx_stop_port() and is highly dependent on what that does, combine
the two functions.
Update comments to explain what this is doing a little better.
Also update an related and erroneous comment in efx_start_port().
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Split each of efx_mcdi_rpc, efx_mcdi_rpc_finish, and efx_mcdi_rpc_async into
a normal and a _quiet version; made the former log MCDI errors with
netif_err (and include the raw MCDI error code), and the latter never log
them at all. Changed various callers; any where some errors are expected
(but others are not) call the _quiet version and then if necessary log the
MCDI error themselves. Said logging is done by new efx_mcdi_display_error.
Callers of efx_mcdi_rpc*_quiet functions which may want to log the error
need to ensure that their outbuf is big enough to hold an MCDI error; to
this end, they now use MCDI_DECLARE_BUF_OUT_OR_ERR, which always allocates
at least 8 bytes.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
We don't directly control RX ingress on Siena or any later
controllers, and so we cannot prevent packets from entering the RX
datapath while the RX queues are not set up. This results in
the hardware incrementing RX_NODESC_DROP_CNT, but it's not an
error and we should not include it in error stats.
When bringing an interface up or down, pull (or wait for) stats and
count the number of packets that were dropped while the interface was
down. Subtract this from the reported RX dropped count.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
The addition of RX event merging support means we don't reliably
detect dropped RX events now. Currently we will only detect them if
the previous event for the RX queue had the CONT bit set.
Only accept RX completion events as merged if the
GET_CAPABILITIES_OUT_RX_BATCHING bit is set in datapath_caps (which it
won't be for the low-latency datapath) and the CONT bit is not set on
the event.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
To run BISTs the MC goes down in to a special mode where it will only
respond to MCDI from the testing PF, and TX, RX and event queues are
torn down. Other PFs get a message as it goes down to tell them it's
going down.
When the other PFs get this message, they check the soft status
register to tell when the MC has rebooted after BIST mode and they can
start recovery.
[bwh: Convert the test result to 1 or -1 as for earlier NICs]
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Commit c45f812f0280 ('8390 : Replace ei_debug with msg_enable/NETIF_MSG_*
feature') ended up moving the printout of version[] from something that
will be compiled out due to defines, to something that is now evaluated
at runtime.
That means that what always used to be an access to an __initdata string
from non-__init code started showing up as a section mismatch when it
didn't before.
All other 8390 versions skip __initdata on the version string, and
starting to annotate the whole chain of callers with __init seems like
more churn than it's worth on this driver, so remove it from etherh.c as well.
Fixes: c45f812f0280 ('8390 : Replace ei_debug with msg_enable/NETIF_MSG_* feature')
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
When CPSW and Davinci MDIO are build as modules, CPSW crashes when
accessing CPSW registers in CPSW probe. The same is working in built-in
as the CPSW clocks are enabled in Davindi MDIO probe, SO Enabling the
clocks before accessing the version register and moving out the other
register access to cpsw device open.
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
commit 031916568a1aa2ef1809f86d26f0bcfa215ff5c0 worked around
errata ERR006358, but comment contains duplicated lines, impairing
the readability. Remove them.
Signed-off-by: Philippe De Muyter <phdm@macqel.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
Minor fix for printk format of a phys_addr_t, and the switch of two local
functions to static since they're not used outside of the file.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Silences the below warnings when building with ARM_LPAE enabled, which
gives longer dma_addr_t by default:
drivers/net/ethernet/ti/davinci_cpdma.c: In function 'cpdma_desc_pool_create':
drivers/net/ethernet/ti/davinci_cpdma.c:182:3: warning: passing argument 3 of 'dma_alloc_attrs' from incompatible pointer type [enabled by default]
drivers/net/ethernet/ti/davinci_cpdma.c: In function 'desc_phys':
drivers/net/ethernet/ti/davinci_cpdma.c:222:25: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
drivers/net/ethernet/ti/davinci_cpdma.c:223:8: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Removed the shared ei_debug variable. Replaced it by adding u32 msg_enable to
the private struct ei_device. Now each 8390 ethernet instance has a per-device
logging variable.
Changed older style printk() calls to more canonical forms.
Tested on: ne, ne2k-pci, smc-ultra, and wd hardware.
V4.0
- Substituted pr_info() and pr_debug() for printk() KERN_INFO and KERN_DEBUG
V3.0
- Checked for cases where pr_cont() was most appropriate choice.
- Changed module parameter from 'debug' to 'msg_enable' because debug was
no longer the best description.
V2.0
- Changed netif_msg_(drv|probe|ifdown|rx_err|tx_err|tx_queued|intr|rx_status|hw)
to netif_(dbg|info|warn|err) where possible.
Signed-off-by: Matthew Whitehead <tedheadster@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This reverts commit 99023e90fe5c147ea0665bda86764ea44f08a622.
Accidently checked this into 'net' instead of 'net-next'.
Signed-off-by: David S. Miller <davem@davemloft.net>
Removed the shared ei_debug variable. Replaced it by adding u32 msg_enable to
the private struct ei_device. Now each 8390 ethernet instance has a per-device
logging variable.
Changed older style printk() calls to more canonical forms.
Tested on: ne, ne2k-pci, smc-ultra, and wd hardware.
V4.0
- Substituted pr_info() and pr_debug() for printk() KERN_INFO and KERN_DEBUG
V3.0
- Checked for cases where pr_cont() was most appropriate choice.
- Changed module parameter from 'debug' to 'msg_enable' because debug was
no longer the best description.
V2.0
- Changed netif_msg_(drv|probe|ifdown|rx_err|tx_err|tx_queued|intr|rx_status|hw)
to netif_(dbg|info|warn|err) where possible.
Signed-off-by: Matthew Whitehead <tedheadster@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 89ce376c6bdc (drivers/net: Use of_match_ptr() macro in smc91x.c)
added minimal device tree support to smc91x, but it's not working on
many platforms because of the lack of some key configuration bits.
Fix the issue by parsing the necessary configuration like the
smc911x driver is doing. As most smc91x users seem to use 16-bit
access, let's default to that if no reg-io-width is specified.
Cc: Nicolas Pitre <nico@fluxnic.net>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: netdev@vger.kernel.org
Cc: devicetree@vger.kernel.org
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Without this bgmac_adjust_link didn't know it should re-initialize MAC
state. This led to the MAC not working after if down & up routine.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When adjusting the link speed, the target frequency is determined by a
'swith (LINK_SPEED)' statement, that assigns the target rate only for
valid and expected LINK_SPEED values. This incomplete switch statement
leads to the following build warning:
drivers/net/ethernet/cadence/macb.c: In function 'macb_handle_link_change':
>> drivers/net/ethernet/cadence/macb.c:241:14: warning: 'rate' may be used uninitialized in this function [-Wmaybe-uninitialized]
netdev_warn(dev, "unable to generate target frequency: %ld Hz\n",
^
drivers/net/ethernet/cadence/macb.c:215:13: note: 'rate' was declared here
long ferr, rate, rate_rounded;
Fixing this by bailing out of that function in the switch's default case
before the rate variable is used.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Adjust the ethernet clock according to the negotiated link speed.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the device managed interface to request the IRQ, simplifying error
paths.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the device managed version of ioremap to remap IO memory,
simplifying error paths.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Migrate to using the device managed interface for clocks and clean up
the associated error paths.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Migrate the suspend/resume functions to use the dev_pm_ops PM interface.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The new tg3 driver leaves REG_BASE_ADDR (PCI config offset 120)
uninitialized. From power on reset this register may have garbage in it. The
Register Base Address register defines the device local address of a
register. The data pointed to by this location is read or written using
the Register Data register (PCI config offset 128). When REG_BASE_ADDR has
garbage any read or write of Register Data Register (PCI 128) will cause the
PCI bus to lock up. The TCO watchdog will fire and bring down the system.
Signed-off-by: Nat Gurumoorthy <natg@google.com>
Acked-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for yet another ARM member of the R-Car family, R-Car M2, also known
as R8A7791 -- it will share the code and data with previously added R8A7790.
Despite the Ether devices in these SoCs are indistinguishable at least from the
driver's point of view, we do introduce a new platform device ID "r8a7791-ether"
unlike the wildcard ID used for R8A7778/9 SoCs, due to newly established policy
for the Renesas SoCs.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates
This series contains updates to i40e, igb, ixgbe and ixgbevf.
Shannon provides a couple of i40e patches, first restricts the ethtool
diag test messages by using netif_info() macro to when the hardware
bit is enabled in the message level netdev message mask. Second
provides a fix for when there is an out-of-range descriptor request.
Kamil provides a fix for i40e by updating the loopback enum types and
add information about the current loopback mode to data returned from
get_link_info().
Jesse provides a fix for i40e define name that was being mis-used.
I40E_ITR_NONE was being used as an ITRN register index by accident
because it was easily associated with the i40e Rx ITR and friends
defines, when it should be associated with the DYN_CTL register sets.
Jacob provides an update for ixgbevf Kconfig description since the VF
driver supports more than just the 82599 device.
Don and Alex provide a cleanup patch for ixgbe to make it where head,
tail, next to clean and next to use are all reset in a single function
for both Tx and Rx path. Before, the code for this was spread out over
several areas which made it difficult to track what the values were for
each of the values.
Carolyn provides two igb patches to add a media switching feature for
i354 PHY's and new Media Auto Sense for 82580 devices only.
Aaron Sierra provides a fix for igb to resolve an issue with the 64-bit
PCI addresses being truncated because the return values of
pci_resource_start() and pci_resouce_end() were being cast to unsigned
long.
Guenter Roeck provides two igb patches, first simplifies the code by
attaching the hwmon sysfs attributes to hwmon device instead of the
PCI device. Second fixes the temperature sensor attribute index by
setting it to 1 instead of 0 (per hwmon ABI).
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Ben Hutchings says:
====================
Several fixes for the PTP hardware support added in 3.7:
1. Fix filtering of PTP packets on the TX path to be robust against bad
header lengths.
2. Limit logging on the RX path in case of a PTP packet flood, partly
from Laurence Evans.
3. Disable PTP hardware when the interface is down so that we don't
receive RX timestamp events, from Alexandre Rames.
4. Maintain clock frequency adjustment when a time offset is applied.
Also fixes for the SFC9100 family support added in 3.12:
5. Take the RX prefix length into account when applying NET_IP_ALIGN,
from Andrew Rybchenko.
6. Work around a bug that breaks communication between the driver and
firmware, from Robert Stonehouse.
Please also queue these up for the appropriate stable branches.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
I've realized that I need to call ethtool command to get Ethernet
working after booting. Ex call: ethtool -s eth0 autoneg on
It was fixing Ethernet even if auto-negotiation was already on.
Adding calls to phy_start and phy_stop look like a real solution.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The sun4i-emac driver uses devm_request_irq at .ndo_open time, but relies on
the managed device mechanism to actually free it. This causes an issue whenever
someone wants to restart the interface, the interrupt still being held, and not
yet released.
Fall back to using the regular request_irq at .ndo_open time, and introduce a
free_irq during .ndo_stop.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: stable@vger.kernel.org # 3.11+
Signed-off-by: David S. Miller <davem@davemloft.net>
Per hwmon ABI, temperature sensor attribute index starts with 1, not 0.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Simplify the code. Attach hwmon sysfs attributes to hwmon device
instead of pci device. Avoid race conditions caused by attributes
being created after registration and provide mandatory 'name'
attribute by using new hwmon API.
Other cleanup:
Instead of allocating memory for hwmon attributes, move attributes
and all other hwmon related data into struct hwmon_buff and allocate
the entire structure using devm_kzalloc.
Check return value from calls to igb_add_hwmon_attr() one by one instead
of logically combining them all together.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch adds support for the hardware feature Media Auto Sense. This
feature requires a custom EEPROM image provided by our customer support
team. The feature allows hardware designed with dual PHY's, fiber and
copper to be used with either media without additional EEPROM changes.
Fiber is preferred and driver will swap and configure for fiber media if
sensed by the device at any time. Device will swap back to copper if it
is the only media detected.
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch resolves an issue with 64-bit PCI addresses being truncated
because the return values of pci_resource_start() and pci_resource_end()
were being cast to unsigned long.
Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch adds a new feature which is supported in some PHY's on some i354
devices. This feature is Auto Media Detect and allows which ever media is
detected first by the PHY to be the media used and configured by the
device. This is a media swapping feature that is wholly contained in the
Marvell PHY.
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch makes it so that head, tail, next to clean, and next to use are
all reset in a single function for the Tx or Rx path. Previously the code
for this was spread out over several areas which could make it difficult to
track what the values for these were.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch updates the ixgbevf Kconfig description, as the VF driver supports
more than just the 82599 device. This patch renames the config menu item, as
well as updates the help description to make it more obvious that the driver
supports more than just a single device group.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
