During stress tests with adding VF to namespace and changing vf's
trust there was a race between iavf_reset_task and iavf_close.
Sometimes when IAVF_FLAG_AQ_DISABLE_QUEUES from iavf_close was sent
to PF after reset and before IAVF_AQ_GET_CONFIG was sent then PF
returns error IAVF_NOT_SUPPORTED to disable queues request and
following requests. There is need to get_config before other
aq_required will be send but iavf_close clears all flags, if
get_config was not sent before iavf_close, then it will not be send
at all.

In case when IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS was sent before
IAVF_FLAG_AQ_DISABLE_QUEUES then there was rtnl_lock deadlock
between iavf_close and iavf_adminq_task until iavf_close timeouts
and disable queues was sent after iavf_close ends.

There was also a problem with sending delete/add filters.
Sometimes when filters was not yet added to PF and in
iavf_close all filters was set to remove there might be a try
to remove nonexistent filters on PF.

Add aq_required_tmp to save aq_required flags and send them after
disable_queues will be handled. Clear flags given to iavf_down
different than IAVF_FLAG_AQ_GET_CONFIG as this flag is necessary
to sent other aq_required. Remove some flags that we don't
want to send as we are in iavf_close and we want to disable
interface. Remove filters which was not yet sent and send del
filters flags only when there are filters to remove.
Signed-off-by: NMichal Jaron <michalx.jaron@intel.com>
Signed-off-by: NMateusz Palczewski <mateusz.palczewski@intel.com>
Tested-by: NKonrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: NTony Nguyen <anthony.l.nguyen@intel.com>

Add description for values written into registers QINT_XXXX
and small cosmetic changes for MSI/LEGACY interrupts
configuration in the same way as for MSI-X.
Descriptions confirm the code is written correctly and
make the code clear. Small cosmetic changes for MSI/LEGACY
interrupts make code clear in the same manner as for MSI-X
interrupts.
Signed-off-by: NJaroslaw Gawin <jaroslawx.gawin@intel.com>
Signed-off-by: NAndrii Staikov <andrii.staikov@intel.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: NTony Nguyen <anthony.l.nguyen@intel.com>

Intel introduces a new line of 1G ethernet adapters with Device ID 0x0DD2
Signed-off-by: NStanislaw Grzeszczak <stanislaw.a.grzeszczak@intel.com>
Signed-off-by: NMateusz Palczewski <mateusz.palczewski@intel.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: NTony Nguyen <anthony.l.nguyen@intel.com>

Sparse checker found two endianness-related issues:

.../moxart_ether.c:34:15: warning: incorrect type in assignment (different base types)
.../moxart_ether.c:34:15:    expected unsigned int [usertype]
.../moxart_ether.c:34:15:    got restricted __le32 [usertype]

.../moxart_ether.c:39:16: warning: cast to restricted __le32

Fix them by using __le32 type instead of u32.
Signed-off-by: NSergei Antonov <saproj@gmail.com>
Link: https://lore.kernel.org/r/20220902125037.1480268-1-saproj@gmail.comSigned-off-by: NPaolo Abeni <pabeni@redhat.com>

Sparse found a number of endianness-related issues of these kinds:

.../ftmac100.c:192:32: warning: restricted __le32 degrades to integer

.../ftmac100.c:208:23: warning: incorrect type in assignment (different base types)
.../ftmac100.c:208:23:    expected unsigned int rxdes0
.../ftmac100.c:208:23:    got restricted __le32 [usertype]

.../ftmac100.c:249:23: warning: invalid assignment: &=
.../ftmac100.c:249:23:    left side has type unsigned int
.../ftmac100.c:249:23:    right side has type restricted __le32

.../ftmac100.c:527:16: warning: cast to restricted __le32

Change type of some fields from 'unsigned int' to '__le32' to fix it.
Signed-off-by: NSergei Antonov <saproj@gmail.com>
Reviewed-by: NAndrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20220902113749.1408562-1-saproj@gmail.comSigned-off-by: NPaolo Abeni <pabeni@redhat.com>

Extend lan966x with RGMII support. The MAC supports all RGMII_* modes.
Signed-off-by: NHoratiu Vultur <horatiu.vultur@microchip.com>
Link: https://lore.kernel.org/r/20220902111548.614525-1-horatiu.vultur@microchip.comSigned-off-by: NPaolo Abeni <pabeni@redhat.com>

We're not in a hot path and don't want to miss this message,
therefore remove the net_ratelimit() check.
Signed-off-by: NHeiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

In preparation for FORTIFY_SOURCE doing bounds-check on memcpy(),
switch from __nlmsg_put to nlmsg_put(), and explain the bounds check
for dealing with the memcpy() across a composite flexible array struct.
Avoids this future run-time warning:

  memcpy: detected field-spanning write (size 32) of single field "&errmsg->msg" at net/netlink/af_netlink.c:2447 (size 16)

Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Jozsef Kadlecsik <kadlec@netfilter.org>
Cc: Florian Westphal <fw@strlen.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: syzbot <syzkaller@googlegroups.com>
Cc: netfilter-devel@vger.kernel.org
Cc: coreteam@netfilter.org
Cc: netdev@vger.kernel.org
Signed-off-by: NKees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220901071336.1418572-1-keescook@chromium.orgSigned-off-by: NDavid S. Miller <davem@davemloft.net>

Add 1000BASE-KX interface mode. This 1G backplane ethernet as described in
clause 70. Clause 73 autonegotiation is mandatory, and only full duplex
operation is supported.

Although at the PMA level this interface mode is identical to
1000BASE-X, it uses a different form of in-band autonegation. This
justifies a separate interface mode, since the interface mode (along
with the MLO_AN_* autonegotiation mode) sets the type of autonegotiation
which will be used on a link. This results in more than just electrical
differences between the link modes.

With regard to 1000BASE-X, 1000BASE-KX holds a similar position to
SGMII: same signaling, but different autonegotiation. PCS drivers
(which typically handle in-band autonegotiation) may only support
1000BASE-X, and not 1000BASE-KX. Similarly, the phy mode is used to
configure serdes phys with phy_set_mode_ext. Due to the different
electrical standards (SFI or XFI vs Clause 70), they will likely want to
use different configuration. Adding a phy interface mode for
1000BASE-KX helps simplify configuration in these areas.
Signed-off-by: NSean Anderson <sean.anderson@seco.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Sean Anderson says:

====================
net: dpaa: Cleanups in preparation for phylink conversion (part 2)

This series contains several cleanup patches for dpaa/fman. While they
are intended to prepare for a phylink conversion, they stand on their
own. This series was originally submitted as part of [1].

[1] https://lore.kernel.org/netdev/20220715215954.1449214-1-sean.anderson@seco.com

Changes in v5:
- Reduce line length of tgec_config
- Reduce line length of qman_update_cgr_safe
- Rebase onto net-next/master

Changes in v4:
- weer -> were
- tricy -> tricky
- Use mac_dev for calling change_addr
- qman_cgr_create -> qman_create_cgr

Changes in v2:
- Fix prototype for dtsec_initialization
- Fix warning if sizeof(void *) != sizeof(resource_size_t)
- Specify type of mac_dev for exception_cb
- Add helper for sanity checking cgr ops
- Add CGR update function
- Adjust queue depth on rate change
====================
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Instead of setting the queue depth once during probe, adjust it on the
fly whenever we configure the link. This is a bit unusal, since usually
the DPAA driver calls into the FMAN driver, but here we do the opposite.
We need to add a netdev to struct mac_device for this, but it will soon
live in the phylink config.

I haven't tested this extensively, but it doesn't seem to break
anything. We could possibly optimize this a bit by keeping track of the
last rate, but for now we just update every time. 10GEC probably doesn't
need to call into this at all, but I've added it for consistency.
Signed-off-by: NSean Anderson <sean.anderson@seco.com>
Acked-by: NCamelia Groza <camelia.groza@nxp.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

This adds a function to update a CGR with new parameters. qman_create_cgr
can almost be used for this (with flags=0), but it's not suitable because
it also registers the callback function. The _safe variant was modeled off
of qman_cgr_delete_safe. However, we handle multiple arguments and a return
value.
Signed-off-by: NSean Anderson <sean.anderson@seco.com>
Acked-by: NCamelia Groza <camelia.groza@nxp.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

This breaks out/combines get_affine_portal and the cgr sanity check in
preparation for the next commit. No functional change intended.
Signed-off-by: NSean Anderson <sean.anderson@seco.com>
Acked-by: NCamelia Groza <camelia.groza@nxp.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

There are several references to mac_dev in dpaa_netdev_init. Make things a
bit more concise by adding a local variable for it.
Signed-off-by: NSean Anderson <sean.anderson@seco.com>
Acked-by: NCamelia Groza <camelia.groza@nxp.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

When disabling, there is nothing we can do about errors. In fact, the
only error which can occur is misuse of the API. Just warn in the mac
driver instead.
Signed-off-by: NSean Anderson <sean.anderson@seco.com>
Acked-by: NCamelia Groza <camelia.groza@nxp.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

This removes the _return label, since something like

	err = -EFOO;
	goto _return;

can be replaced by the briefer

	return -EFOO;

Additionally, this skips going to _return_of_node_put when dev_node has
already been put (preventing a double put).
Signed-off-by: NSean Anderson <sean.anderson@seco.com>
Acked-by: NCamelia Groza <camelia.groza@nxp.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Instead of using a void pointer for mac_dev, specify its type
explicitly.
Signed-off-by: NSean Anderson <sean.anderson@seco.com>
Acked-by: NCamelia Groza <camelia.groza@nxp.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Some params are already present in mac_dev. Use them directly instead of
passing them through params.
Signed-off-by: NSean Anderson <sean.anderson@seco.com>
Acked-by: NCamelia Groza <camelia.groza@nxp.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Instead of having the mac init functions call back into the fman core to
get their params, just pass them directly to the init functions.
Signed-off-by: NSean Anderson <sean.anderson@seco.com>
Acked-by: NCamelia Groza <camelia.groza@nxp.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

We don't need to remap the base address from the resource twice (once in
mac_probe() and again in set_fman_mac_params()). We still need the
resource to get the end address, but we can use a single function call
to get both at once.

While we're at it, use platform_get_mem_or_io and devm_request_resource
to map the resource. I think this is the more "correct" way to do things
here, since we use the pdev resource, instead of creating a new one.
It's still a bit tricky, since we need to ensure that the resource is a
child of the fman region when it gets requested.
Signed-off-by: NSean Anderson <sean.anderson@seco.com>
Acked-by: NCamelia Groza <camelia.groza@nxp.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

This member was used to pass the phy node between mac_probe and the
mac-specific initialization function. But now that the phy node is
gotten in the initialization function, this parameter does not serve a
purpose. Remove it, and do the grabbing of the node/grabbing of the phy
in the same place.
Signed-off-by: NSean Anderson <sean.anderson@seco.com>
Acked-by: NCamelia Groza <camelia.groza@nxp.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

There are several small functions which were only necessary because the
initialization functions didn't have access to the mac private data. Now
that they do, just do things directly.
Signed-off-by: NSean Anderson <sean.anderson@seco.com>
Acked-by: NCamelia Groza <camelia.groza@nxp.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

These methods are no longer accessed outside of the driver file, so mark
them as static.
Signed-off-by: NSean Anderson <sean.anderson@seco.com>
Acked-by: NCamelia Groza <camelia.groza@nxp.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

This moves mac-specific initialization to mac-specific files. This will
make it easier to work with individual macs. It will also make it easier
to refactor the initialization to simplify the control flow. No
functional change intended.
Signed-off-by: NSean Anderson <sean.anderson@seco.com>
Acked-by: NCamelia Groza <camelia.groza@nxp.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Let's trust the hardware here and remove this useless check.
Signed-off-by: NHeiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Arun Ramadoss says:

====================
net: dsa: microchip: lan937x: enable interrupt for internal phy link detection

This patch series enables the internal phy link detection for lan937x using the
interrupt method. lan937x acts as the interrupt controller for the internal
ports and phy, the irq_domain is registered for the individual ports and in
turn for the individual port interrupts.

RFC v3 -> Patch v1
- Removed the RFC v3 1/3 from the series - changing exit from reset
- Changed the variable name in ksz_port from irq to pirq
- Added the check for return value of irq_find_mapping during phy irq
  registeration.
- Moved the clearing of POR_READY_INT from girq_thread_fn to
  lan937x_reset_switch

RFC v2 -> v3
- Used the interrupt controller implementation of phy link

Changes in RFC v2
- fixed the compilation issue
====================
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

This patch enables the interrupts for internal phy link detection for
LAN937x. The interrupt enable bits are active low. There is global
interrupt mask for each port. And each port has the individual interrupt
mask for TAS. QCI, SGMII, PTP, PHY and ACL.
The first level of interrupt domain is registered for global port
interrupt and second level of interrupt domain for the individual port
interrupts. The phy interrupt is enabled in the lan937x_mdio_register
function. Interrupt from which port is raised will be detected based on
the interrupt host data.
Signed-off-by: NArun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

In the lan937x_reset_switch(), it masks all the switch and port
registers. In the Global_Int_status register, POR ready bit is write 1
to clear bit and all other bits are read only. So, this patch clear the
por_ready_int status bit by writing 1.
Signed-off-by: NArun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: NFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

struct ksz_port doesn't have reference to ksz_device as of now. In order
to find out from which port interrupt has triggered, we need to pass the
struct ksz_port as a host data. When the interrupt is triggered, we can
get the port from which interrupt triggered, but to identify it is phy
interrupt we have to read status register. The regmap structure for
accessing the device register is present in the ksz_device struct. To
access the ksz_device from the ksz_port, the reference is added to it
with port number as well.
Signed-off-by: NArun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: NAndrew Lunn <andrew@lunn.ch>
Reviewed-by: NFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Alex Elder says:

====================
net: ipa: start using transaction IDs

A previous group of patches added ID fields to track the state of
transactions:
  https://lore.kernel.org/netdev/20220831224017.377745-1-elder@linaro.org

This series starts using those IDs instead of the lists used
previously.  Most of this series involves reworking the function
that determines which transaction is the "last", which determines
when a channel has been quiesed.  The last patch is mainly used to
prove that the new index method of tracking transaction state is
equivalent to the previous use of lists.
====================
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

The completed transaction list is used in gsi_channel_trans_complete()
to return the next transaction in completed state.

Add some temporary checks to verify the transaction indicated by the
completed ID matches the one first in this list.

Similarly, we use the pending and completed transaction lists when
cancelling pending transactions in gsi_channel_trans_cancel_pending().

Add temporary checks there to verify the transactions indicated by
IDs match those tracked by these lists.
Signed-off-by: NAlex Elder <elder@linaro.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Do a little more refactoring in gsi_channel_trans_last() to simplify
it further.  The resulting code should behave exactly as before.
Signed-off-by: NAlex Elder <elder@linaro.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Using a little logic we can simplify gsi_channel_trans_last().

The first condition in that function looks like this:
    if (trans_info->allocated_id != trans_info->free_id)
And if that's false, we proceed to the next one:
    if (trans_info->committed_id != trans_info->allocated_id)

Failure of the first test implies:
    trans_info->allocated_id == trans_info->free_id
And therefore, the second one can be rewritten this way:
    if (trans_info->committed_id != trans_info->free_id)

Substituting free_id for allocated_id and committed_id can also be
done in the code blocks executed when these conditions yield true.
The net result is that all three blocks for TX endpoints can be
consolidated into just one.

The two blocks of code at the end of that function (used for both TX
and RX channels) can be similarly consolidated into a single block.
Signed-off-by: NAlex Elder <elder@linaro.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Always use transaction IDs when finding the "last" transaction to
await when quiescing a channel.  This basically extends what was
done in the previous patch to all other transaction state IDs.

As a result we are no longer updating any transaction lists inside
gsi_channel_trans_last(), so there's no need to take the spinlock.
Signed-off-by: NAlex Elder <elder@linaro.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Use the allocated and free transaction IDs to determine whether the
"last" transaction used for quiescing a channel is in allocated
state.  The last allocated transaction that has not been committed
(if any) immediately precedes the first free transaction in the
transaction array.
Signed-off-by: NAlex Elder <elder@linaro.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

When quiescing a channel, we find the "last" transaction, which is
the latest one to have been allocated.  (New transaction allocation
will have been prevented by the time this is called.)

Currently we do this by looking for the first non-empty transaction
list in each state, then return the last entry from that last.
Instead, determine the last entry in each list (if any) and return
that entry if found.

Temporarily (locally) introduce list_last_entry_or_null() as a
helper for this, mirroring list_first_entry_or_null().  This macro
definition will be removed by an upcoming patch.

Remove the temporary warnings added by the previous commit.
Signed-off-by: NAlex Elder <elder@linaro.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Now that we have devm_clk_get_optional_enabled(), we don't have to
open-code it.
Signed-off-by: NHeiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

It's not clear where these entries came from, and as I wrote in the
comment: Not even Realtek's r8101 driver knows these chip id's.
So remove the comment.
Signed-off-by: NHeiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

It's not clear why XID's 380 and 381..387 ever got different chip
version id's. VER_12 and VER_17 are handled exactly the same.
Therefore merge handling under the VER_17 umbrella.
Signed-off-by: NHeiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Maxime Chevallier says:

====================
net: altera: tse: phylink conversion

This is V4 of a series converting the Altera TSE driver to phylink,
introducing a new PCS driver along the way.

The Altera TSE can be built with a SGMII/1000BaseX PCS, allowing to use
SFP ports with this MAC, which is the end goal of adding phylink support
and a proper PCS driver.

The PCS itself can either be mapped in the MAC's register space, in that
case, it's accessed through 32 bits registers, with the higher 16 bits
always 0. Alternatively, it can sit on its own register space, exposing
16 bits registers, some of which ressemble the standard PHY registers.

To tackle that rework, several things needs updating, starting by the DT
binding, since we add support for a new register range for the PCS.

Hence, the first patch of the series is a conversion to YAML of the
existing binding.

Then, patch 2 does a bit of simple cleanup to the TSE driver, using nice
reverse xmas tree definitions.

Patch 3 adds the actual PCS driver, as a standalone driver. Some future
series will then reuse that PCS driver from the dwmac-socfpga driver,
which implements support for this exact PCS too, allowing to share the
code nicely.

Patch 4 is then a phylink conversion of the altera_tse driver, to use
this new PCS driver.

Finally, patch 5 updates the newly converted DT binding to support the
pcs register range.

This series contains bits and pieces for this conversion, please tell me if
you want me to send it as individual patches.

V4 Changes:
 - Add missing MODULE_* macros to the TSE PCS driver

V3 Changes:
 - YAML binding conversion changes and PCS addition changes thanks to
   Krzysztof's reviews

V2 Changes :
 - Fixed the binding after the YAML conversion
 - Added a pcs_validate() callback
 - Introduced a comment to justify a soft reset for the PCS
====================
Signed-off-by: NDavid S. Miller <davem@davemloft.net>