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Function bnxt_hwrm_stat_ctx_alloc() always returns 0, even if the call
to _hwrm_send_message() fails. It may be better to propagate the errors
to the caller of bnxt_hwrm_stat_ctx_alloc().
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188661
Signed-off-by: Pan Bian <bianpan2016@163.com>
Acked-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch introduces the RX checksum function to check the
status of the hardware calculated checksum and its error and
appropriately convey status to the upper stack in skb->ip_summed
field.
In hardware, we only support checksum for the following
protocols:
1) IPv4,
2) TCP(over IPv4 or IPv6),
3) UDP(over IPv4 or IPv6),
4) SCTP(over IPv4 or IPv6)
but we support many L3(IPv4, IPv6, MPLS, PPPoE etc) and
L4(TCP, UDP, GRE, SCTP, IGMP, ICMP etc.) protocols.
Hardware limitation:
Our present hardware RX Descriptor lacks L3/L4 checksum
"Status & Error" bit (which usually can be used to indicate whether
checksum was calculated by the hardware and if there was any error
encountered during checksum calculation).
Software workaround:
We do get info within the RX descriptor about the kind of
L3/L4 protocol coming in the packet and the error status. These
errors might not just be checksum errors but could be related to
version, length of IPv4, UDP, TCP etc.
Because there is no-way of knowing if it is a L3/L4 error due
to bad checksum or any other L3/L4 error, we will not (cannot)
convey hardware checksum status(CHECKSUM_UNNECESSARY) for such
cases to upper stack and will not maintain the RX L3/L4 checksum
counters as well.
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The budget split function requires the phy speed to be known.
While ndo open a phy speed identification is postponed till the
moment link is up. Hence, move it to appropriate callback, when link
is up.
Reported-by: Grygorii Strashko <grygorii.strashko@ti.com>
Fixes: 8feb0a196507 ("net: ethernet: ti: cpsw: split tx budget according between channels")
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add driver for Alacritech gigabit ethernet cards with SLIC (session-layer
interface control) technology. The driver provides basic support without
SLIC for the following devices:
- Mojave cards (single port PCI Gigabit) both copper and fiber
- Oasis cards (single and dual port PCI-x Gigabit) copper and fiber
- Kalahari cards (dual and quad port PCI-e Gigabit) copper and fiber
Signed-off-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add three reset control signals, "mac_core_rst", "mac_ifc_rst" and
"phy_rst".
The following diagram explained how the reset signals work.
SoC
|-----------------------------------------------------
| ------ |
| | cpu | |
| ------ |
| | |
| ------------ AMBA bus |
| GMAC | |
| ---------------------- |
| ------------- mac_core_rst | -------------- | |
| |clock and |-------------->| mac core | | |
| |reset | | -------------- | |
| |generator |---- | | | |
| ------------- | | ---------------- | |
| | ---------->| mac interface | | |
| | mac_ifc_rst | ---------------- | |
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| | | ------------------ | |
| |phy_rst | | RGMII interface | | |
| | | ------------------ | |
| | ---------------------- |
|----------|------------------------------------------|
| |
| ----------
|--------------------- |PHY chip |
----------
The "mac_core_rst" represents "mac core reset signal", it resets
the mac core including packet processing unit, descriptor processing unit,
tx engine, rx engine, control unit.
The "mac_ifc_rst" represents "mac interface reset signal", it resets
the mac interface. The mac interface unit connects mac core and
data interface like MII/RMII/RGMII. After we set a new value of
interface mode, we must reset mac interface to reload the new mode value.
The "mac_core_rst" and "mac_ifc_rst" are both optional to be
backward compatible with the hix5hd2 SoC.
The "phy_rst" represents "phy reset signal", it does a hardware reset
on the PHY chip. This reset signal is optional if the PHY can work well
without the hardware reset.
Add one more clock signal, the existing is MAC core clock,
and the new one is MAC interface clock.
The MAC interface clock is optional to be backward compatible with
the hix5hd2 SoC.
Signed-off-by: Dongpo Li <lidongpo@hisilicon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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"hisi-gemac-v2" adds the SG/TXCSUM/TSO/UFO features.
This patch only adds the SG(scatter-gather) driver for transmitting,
the drivers of other features will be submitted later.
Signed-off-by: Dongpo Li <lidongpo@hisilicon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The "hix5hd2" is SoC name, add the generic ethernet driver name.
The "hisi-gemac-v1" is the basic version and "hisi-gemac-v2" adds
the SG/TXCSUM/TSO/UFO features.
Signed-off-by: Dongpo Li <lidongpo@hisilicon.com>
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.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Spamming the console with: net eth1: packet dropped can happen
fairly frequently if the adapter is busy transmitting, demote the
message to a debug print.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Do not open code getting the MAC address exclusively from the
"local-mac-address" property, but instead use of_get_mac_address() which
looks up the MAC address using the 3 typical property names.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ethoc_mdio_poll() which is our PHYLIB adjust_link callback does nothing,
we should at least react to duplex changes and change MODER accordingly.
Speed changes is not a problem, since the OpenCores Ethernet core seems
to be reacting okay without us telling it.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Implement ethtooll::nway_restart by utilizing mii_nway_restart.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Report PFC statistics to ethtool -S and DCBNL.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Support only IEEE DCBX initially. Add IEEE DCBNL ops and functions to
get and set the hardware DCBX parameters. The DCB code is conditional on
Kconfig CONFIG_BNXT_DCB.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Latest interface has the latest DCB command structs. Get and store the
max number of lossless TCs the hardware can support.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a new function bnxt_setup_mq_tc() to handle MQPRIO. This new function
will be called during ETS setup when we add DCBNL in the next patch.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit b90eb7549499 ("fib: introduce FIB notification infrastructure")
introduced a new notification chain to notify listeners (f.e., switchdev
drivers) about addition and deletion of routes.
However, upon registration to the chain the FIB tables can already be
populated, which means potential listeners will have an incomplete view
of the tables.
Solve that by dumping the FIB tables and replaying the events to the
passed notification block. The dump itself is done using RCU in order
not to starve consumers that need RTNL to make progress.
The integrity of the dump is ensured by reading the FIB change sequence
counter before and after the dump under RTNL. This allows us to avoid
the problematic situation in which the dumping process sends a ENTRY_ADD
notification following ENTRY_DEL generated by another process holding
RTNL.
Callers of the registration function may pass a callback that is
executed in case the dump was inconsistent with current FIB tables.
The number of retries until a consistent dump is achieved is set to a
fixed number to prevent callers from looping for long periods of time.
In case current limit proves to be problematic in the future, it can be
easily converted to be configurable using a sysctl.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We can miss FIB notifications sent between the time the ports were
created and the FIB notification block registered.
Instead of receiving these notifications only when they are replayed for
the FIB notification block during registration, just register the
notification block before the ports are created.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert rocker to offload FIBs in deferred work in a similar fashion to
mlxsw, which was converted in the previous commits.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As explained in the previous commits, we need to process FIB entries
addition / deletion events in FIFO order or otherwise we can have a
mismatch between the kernel's FIB table and the device's.
Create an ordered workqueue for rocker to which these work items will be
submitted to.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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FIB offload is currently done in process context with RTNL held, but
we're about to dump the FIB tables in RCU critical section, so we can no
longer sleep.
Instead, defer the operation to process context using deferred work. Make
sure fib info isn't freed while the work is queued by taking a reference
on it and releasing it after the operation is done.
Deferring the operation is valid because the upper layers always assume
the operation was successful. If it's not, then the driver-specific
abort mechanism is called and all routed traffic is directed to slow
path.
The work items are submitted to an ordered workqueue to prevent a
mismatch between the kernel's FIB table and the device's.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We're going to start processing FIB entries addition / deletion events
in deferred work. These work items must be processed in the order they
were submitted or otherwise we can have differences between the kernel's
FIB table and the device's.
Solve this by creating an ordered workqueue to which these work items
will be submitted to. Note that we can't simply convert the current
workqueue to be ordered, as EMADs re-transmissions are also processed in
deferred work.
Later on, we can migrate other work items to this workqueue, such as FDB
notification processing and nexthop resolution, since they all take the
same lock anyway.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
40GbE Intel Wired LAN Driver Updates 2016-12-02
This series contains updates to i40e and i40evf only.
Alex provides changes so that we are much more robust about defining what
we can and cannot offload in i40e and i40evf by doing additional checks
other than L4 tunnel header length.
Jake provides several fixes/changes, first cleaning up a label that is
unnecessary, as well as cleaned up the use of a "magic number". Clarified
the code by separating the global private flags and the regular private
flags per interface into two arrays, so that future additions will not
produce duplication and buggy code. Adds additional checks to protect
against NULL values for msix_entries and q_vectors pointers.
Michal adds Clause22 method for accessing registers for some external
PHYs.
Piotr adds additional protocol support for the admin queue discover
capabilities function.
Tushar Dave fixes a panic seen on SPARC, where writel() should not be
used to write directly to a memory address but only to a memory mapped
I/O address otherwise it causes data access exceptions.
Joe Perches separates out a section of code into its own function, to
help reduce i40evf_reset_task() a bit.
Alan fixes an issue by checking for NULL before dereferencing msix_entries
and returning early in the case where it is NULL within the i40evf_close()
code path.
Henry provides code cleanup to remove unreachable and redundant sections
of code. Fixed up an issue where new NICs were not identifying "unknown
PHYs" correctly.
Harshitha fixes a issue where the ethtool "Supported Link" modes list
backplane interfaces on X722 devices for 10 GbE with SFP+ and Cortina
retimer, where these interfaces should not be visible to the user since
they cannot use them.
Carolyn changes an X722 informational message so that it only appears
when extra messages are desired.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch changes an X722 informational message so that it only
appears when extra messages are desired. Without this patch,
on X722 devices, this message appears at load, potentially causing
unnecessary alarm.
Change-ID: I94f7aae15dc5b2723cc9728c630c72538a3e670e
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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memcpy replaced with single memcpy call in ethtool.
Change-ID: I3f5bef6bcc593412c56592c6459784db41575a0a
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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A previous workaround added to ensure receipt of all broadcast frames
incorrectly set the broadcast promiscuous mode unconditionally
regardless of active VLAN status.
Replace this partial workaround with a complete solution that sets the
broadcast promiscuous filters in i40e_sync_vsi_filters. This new method
sets the promiscuous mode based on when broadcast filters are added or
removed.
I40E_VLAN_ANY will request a broadcast filter for all VLANs, (as we're
in untagged mode) while a broadcast filter on a specific VLAN will only
request broadcast for that VLAN.
Thus, we restore addition of broadcast filter to the array, but we add
special handling for these such that they enable the broadcast
promiscuous mode instead of being sent as regular filters.
The end result is that we will correctly receive all broadcast packets
(even those with a *source* address equal to the broadcast address) but
will not receive packets for which we don't have an active VLAN filter.
Change-ID: I7d0585c5cec1a5bf55bf533b42e5e817d5db6a2d
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch fixes the problem where the ethtool Supported link
modes list backplane interfaces on X722 devices for 10GbE with
SFP+ and Cortina retimer. This patch fixes the problem by setting
and using a flag for this particular device since the backplane
interface is only between the internal PHY and the retimer and it
should not be seen by the user as they cannot use it.
Without this patch, the user wrongly thinks that backplane interfaces
are supported on their device when they actually are not.
Change-ID: I3882bc2928431d48a2db03a51a713a1f681a79e9
Signed-off-by: Harshitha Ramamurthy <harshitha.ramamurthy@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Update the functions which free msix_entries and q_vectors so that they
are safe against NULL values. This allows calling code to not care
whether these have already been freed when disabling and freeing them.
Change-ID: I31bfd1c0da18023d971b618edc6fb049721f3298
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The PHY type value for unrecognized PHYs and cables was changed
based on firmware version number. Newer hardware use lower firmware
version numbers and this was causing some PHYs to be identified
as type 0x16 instead of 0xe (unknown).
Without this patch, newer card will incorrectly identify unknown
PHYs and cables.
This change adds hardware type to the check for firmware version
so the PHY type is reported correctly.
Change-ID: I0723cbfd263c76fc73ff1a5275d1639051376c9a
Signed-off-by: Henry Tieman <henry.w.tieman@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The code at the end of i40e_read_phy_register_clause22() contained
unreachable code and redundant control statements.
This change removes the unreachable code. And deletes the redundant
goto statement and if statement.
Change-ID: I713032b1585396f40f903cbcfdea987abd874400
Signed-off-by: Henry Tieman <henry.w.tieman@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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It is possible for msix_entries to be freed by a previous suspend/remove
before a VF is closed. This patch fixes the issue by checking for NULL
before dereferencing msix_entries and returning early in the case where
it is NULL within the i40evf_close code path. Without this patch it is
possible to trigger a kernel panic through NULL dereference.
Change-ID: I92a2746e82533a889e25f91578eac9abd0388ae2
Signed-off-by: Alan Brady <alan.brady@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The i40evf_reset_task function is a couple hundred lines and it has
a separable block that disables VF. Move that block to a new
i40evf_disable_vf function to shorten i40evf_reset_task a bit.
Signed-off-by: Joe Perches <joe@perches.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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On SPARC, writel() should not be used to write directly to memory
address but only to memory mapped I/O address otherwise it causes
data access exception.
Commit 147e81ec75689 ("i40e: Test memory before ethtool alloc
succeeds") introduced a code that uses memory address to fake the HW
tail address and attempt to write to that address using writel()
causes kernel panic on SPARC. The issue is reproduced while changing
number of descriptors using ethtool.
This change resolves the panic by using HW read-only memory mapped
I/O register to fake HW tail address instead memory address.
e.g.
> ethtool -G eth2 tx 2048 rx 2048
i40e 0000:03:00.2 eth2: Changing Tx descriptor count from 512 to 2048.
i40e 0000:03:00.2 eth2: Changing Rx descriptor count from 512 to 2048
sun4v_data_access_exception: ADDR[fff8001f9734a000] CTX[0000]
TYPE[0004], going.
\|/ ____ \|/
"@'/ .. \`@"
/_| \__/ |_\
\__U_/
ethtool(3273): Dax [#1]
CPU: 9 PID: 3273 Comm: ethtool Tainted: G E
4.8.0-linux-net_temp+ #7
task: fff8001f96d7a660 task.stack: fff8001f97348000
TSTATE: 0000009911001601 TPC: 00000000103189e4 TNPC: 00000000103189e8 Y:
00000000 Tainted: G E
TPC: <i40e_alloc_rx_buffers+0x124/0x260 [i40e]>
g0: fff8001f4eb64000 g1: 00000000000007ff g2: fff8001f9734b92c g3:
00203e0000000000
g4: fff8001f96d7a660 g5: fff8001fa6704000 g6: fff8001f97348000 g7:
0000000000000001
o0: 0006000046706928 o1: 00000000db3e2000 o2: fff8001f00000000 o3:
0000000000002000
o4: 0000000000002000 o5: 0000000000000001 sp: fff8001f9734afc1 ret_pc:
0000000010318a64
RPC: <i40e_alloc_rx_buffers+0x1a4/0x260 [i40e]>
l0: fff8001f4e8bffe0 l1: fff8001f4e8cffe0 l2: 00000000000007ff l3:
00000000ff000000
l4: 0000000000ff0000 l5: 000000000000ff00 l6: 0000000000cda6a8 l7:
0000000000e822f0
i0: fff8001f96380000 i1: 0000000000000000 i2: 00203edb00000000 i3:
0006000046706928
i4: 0000000002086320 i5: 0000000000e82370 i6: fff8001f9734b071 i7:
00000000103062d4
I7: <i40e_set_ringparam+0x3b4/0x540 [i40e]>
Call Trace:
[00000000103062d4] i40e_set_ringparam+0x3b4/0x540 [i40e]
[000000000094e2f8] dev_ethtool+0x898/0xbe0
[0000000000965570] dev_ioctl+0x250/0x300
[0000000000923800] sock_do_ioctl+0x40/0x60
[000000000092427c] sock_ioctl+0x7c/0x280
[00000000005ef040] vfs_ioctl+0x20/0x60
[00000000005ef5d4] do_vfs_ioctl+0x194/0x4c0
[00000000005ef974] SyS_ioctl+0x74/0xa0
[0000000000406214] linux_sparc_syscall+0x34/0x44
Disabling lock debugging due to kernel taint
Caller[00000000103062d4]: i40e_set_ringparam+0x3b4/0x540 [i40e]
Caller[000000000094e2f8]: dev_ethtool+0x898/0xbe0
Caller[0000000000965570]: dev_ioctl+0x250/0x300
Caller[0000000000923800]: sock_do_ioctl+0x40/0x60
Caller[000000000092427c]: sock_ioctl+0x7c/0x280
Caller[00000000005ef040]: vfs_ioctl+0x20/0x60
Caller[00000000005ef5d4]: do_vfs_ioctl+0x194/0x4c0
Caller[00000000005ef974]: SyS_ioctl+0x74/0xa0
Caller[0000000000406214]: linux_sparc_syscall+0x34/0x44
Caller[0000000000107154]: 0x107154
Instruction DUMP: e43620c8
e436204a c45e2038
<c2a083a0> 82102000
81cfe008 90086001
82102000 81cfe008
Kernel panic - not syncing: Fatal exception
Signed-off-by: Tushar Dave <tushar.n.dave@oracle.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Add logical_id to I40E_AQ_CAP_ID_MNG_MODE capability starting from major
version 2.
Change-ID: Idb29214b172ea5c70cbd45a99e6745c0215af7e4
Signed-off-by: Piotr Raczynski <piotr.raczynski@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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A comment incorrectly referred to i40e_vsi_sync_filters_subtask which
does not actually exist. Reference the correct function instead.
Change-ID: I6bd805c605741ffb6fe34377259bb0d597edfafd
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Some external PHYs require Clause22 method for accessing registers.
This patch also adds some defines to support blink led on devices using
10CBaseT PHY.
Change-ID: I868a4326911900f6c89e7e522fda4968b0825f14
Signed-off-by: Michal Kosiarz <michal.kosiarz@intel.com>
Signed-off-by: Matt Jared <matthew.a.jared@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Separate the global private flags and the regular private flags per
interface into two arrays. Future additions of private flags will not
need to be duplicated which may lead to buggy code. Also rename
"i40e_priv_flags_strings_gl" to "i40e_gl_priv_flags_strings" for
clarity, as it reads more naturally.
Change-ID: I68caef3c9954eb7da342d7f9d20f2873186f2758
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Replace a check of magic number 4095 with VLAN_N_VID. This
makes it obvious that a later check against VLAN_N_VID is
always true and can be removed.
Change-ID: I28998f127a61a529480ce63d8a07e266f6c63b7b
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This label is unnecessary, as are jumping to a block that checks aq_ret
and then immediately skipping it and returning. So just jump straight to
the error_param and remove this unnecessary label.
Also use goto error_param even in the last check for style consistency.
Change-ID: If487c7d10c4048e37c594e5eca167693aaed45f6
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This change makes it so that we are much more robust about defining what we
can and cannot offload. Previously we were performing no checks. This
should bring us up to parity with the i40e PF driver.
In addition the device only supports GSO as long as the MSS is 64 or
greater. We were not checking this so an MSS less than that was resulting
in Tx hangs.
Change-ID: If533553ec92fc6ba694eab6ac81fdaf3004f3592
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This change makes it so that we are much more robust about defining what we
can and cannot offload. Previously we were just checking for the L4 tunnel
header length, however there are other fields we should be verifying as
there are multiple scenarios in which we cannot perform hardware offloads.
In addition the device only supports GSO as long as the MSS is 64 or
greater. We were not checking this so an MSS less than that was resulting
in Tx hangs.
Change-ID: I5e2fd5f3075c73601b4b36327b771c64fcb6c31b
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
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Logically, EFX_BUG_ON_PARANOID can never be correct. For, BUG_ON should
only be used if it is not possible to continue without potential harm;
and since the non-DEBUG driver will continue regardless (as the BUG_ON is
compiled out), clearly the BUG_ON cannot be needed in the DEBUG driver.
So, replace every EFX_BUG_ON_PARANOID with either an EFX_WARN_ON_PARANOID
or the newly defined EFX_WARN_ON_ONCE_PARANOID.
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since offset is zero, it's not necessary to use set function. Reset
function is straightforward, and will remove the unnecessary add
operation in set function.
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since offset is zero, it's not necessary to use set function. Reset
function is straightforward, and will remove the unnecessary add
operation in set function.
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since offset is zero, it's not necessary to use set function. Reset
function is straightforward, and will remove the unnecessary add
operation in set function.
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Acked-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds get_pauseparam and set_pauseparam functions.
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Quan Nguyen <qnguyen@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds flow control/pause frame initialization and
advertising capabilities.
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Quan Nguyen <qnguyen@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds functions to configure mac, when flow control
and pause frame settings change.
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Quan Nguyen <qnguyen@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes RSS feature, for non-TCP/UDP packets.
Signed-off-by: Khuong Dinh <kdinh@apm.com>
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch implements ndo_change_mtu() callback function that
enables mtu change.
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Quan Nguyen <qnguyen@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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