Extend the example program for PTP ancillary functionality with the
ability to configure not only the periodic output's period (frequency),
but also the phase and duty cycle (pulse width) which were newly
introduced.
The ioctl level also needs to be updated to the new PTP_PEROUT_REQUEST2,
since the original PTP_PEROUT_REQUEST doesn't support this
functionality. For an in-tree testing program, not having explicit
backwards compatibility is fine, as it should always be tested with the
current kernel headers and sources.
Tested with an oscilloscope on the felix switch PHC:
echo '2 0' > /sys/class/ptp/ptp1/pins/switch_1588_dat0
./testptp -d /dev/ptp1 -p 1000000000 -w 100000000 -H 1000 -i 0
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since 'perout' holds the nanosecond value of the signal's period, it
should be a 64-bit value. Current assumption is that it cannot be larger
than 1 second.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
skb_put_padto() can fail. So check for return type and return NULL
for skb. Caller checks for skb and acts correctly if it is NULL.
Fixes: 6d6148bc78 ("net: hsr: fix incorrect lsdu size in the tag of HSR frames for small frames")
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Drivers using legacy PM have to manage PCI states and device's PM states
themselves. They also need to take care of configuration registers.
With improved and powerful support of generic PM, PCI Core takes care of
above mentioned, device-independent, jobs.
This driver makes use of PCI helper functions like
pci_save/restore_state(), pci_enable/disable_device(),
pci_set_power_state() and pci_set_master() to do required operations. In
generic mode, they are no longer needed.
Change function parameter in both .suspend() and .resume() to
"struct device*" type. Use to_pci_dev() and dev_get_drvdata() to get
"struct pci_dev*" variable and drv data.
Compile-tested only.
Signed-off-by: Vaibhav Gupta <vaibhavgupta40@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Alexander Lobakin says:
====================
qed, qede: add support for new operating modes
This series covers the support for the following:
- new port modes;
- loopback modes, previously missing;
- new speed/link modes;
- several FEC modes;
- multi-rate transceivers;
and also cleans up and optimizes several related parts of code.
v3 (from [2]):
- dropped custom link mode declaration; qed, qede and qedf switched to
Ethtool link modes and definitions (#0001, #0002, per Andrew Lunn's
suggestion);
- exchange more .text size to .initconst and .ro_after_init in qede
(#0003).
v2 (from [1]):
- added a patch (#0010) that drops discussed dead struct member;
- addressed checkpatch complaints on #0014 (former #0013);
- rebased on top of latest net-next;
- no other changes.
[1] https://lore.kernel.org/netdev/20200716115446.994-1-alobakin@marvell.com/
[2] https://lore.kernel.org/netdev/20200719201453.3648-1-alobakin@marvell.com/
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add all necessary code (NVM parsing, MFW and Ethtool reports etc.) to
support extended speed and FEC modes.
These new modes are supported by the new boards revisions and newer
MFW versions.
Misc: correct port type for MEDIA_KR.
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Simplify and lighten qed_set_link() by declaring static link modes maps
and populating them on module init. This way we save plenty of text size
at the low expense of __ro_after_init and __initconst data (the latter
will be purged after module init is done).
Misc: sanitize exit callback.
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These modes are relevant only for several boards, but may be reported by
MFW as well as the others.
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These ports ship on new boards revisions and are supported by newer
firmware versions.
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Struct field qed_hw_info::port_mode isn't used anywhere in the code, so
can be safely removed to prevent possible dead code addition.
Also remove the enumeration QED_PORT_MODE orphaned after this deletion.
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Reformat a few nvm_cfg* structures (and partly qed_dev) prior to adding
new fields and definitions.
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add Ethtool callbacks for querying and setting FEC parameters if it's
supported by the underlying qed module and MFW version running on the
device.
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Prior to adding new callbacks, format qede ethtool_ops structs to make
declarations more fancy and readable.
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add all necessary routines for reading supported FEC modes from NVM and
querying FEC control to the MFW (if the running version supports it).
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Prior to adding new fields and bitfields, reformat the related
structures according to the Linux style (spaces to tabs,
lowercase hex, indentation etc.).
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently qed driver does not take into consideration transceiver's
capabilities when generating link partner's speed advertisement. This
leads to e.g. incorrect ethtool link info on 10GbaseT modules.
Use transceiver info not only for advertisement and support arrays, but
also for link partner's abilities to fix it.
Misc: fix a couple of comments nearby.
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Set the corresponding advertised and supported link modes according
to the detected transceiver type and device capabilities.
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Prior to adding new bitfields, reformat the existing ones from spaces
to tabs, and unify all hex values to lowercase.
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Simplify and lighten qede_set_link_ksettings() by declaring static link
modes maps and populating them on module init. This way we save plenty
of text size at the low expense of __ro_after_init and __initconst data
(the latter will be purged after module init is done).
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently qed driver already ran out of 32 bits to store link modes,
and this doesn't allow to add and support more speeds.
Convert custom link mode to generic Ethtool bitmap and definitions
(convenient Phylink shorthands are used for elegance and readability).
This allowed us to drop all conversions/mappings between the driver
and Ethtool.
This involves changes in qede and qedf as well, as they used definitions
from shared "qed_if.h".
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a new helper to find intersections between Ethtool link modes,
linkmode_intersects(), similar to the other linkmode helpers.
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
bareudp.rst was written before iproute2 gained support for this new
type of tunnel. Therefore, the sample command lines didn't match the
final iproute2 implementation.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When mlxsw_core_trap_register fails in mlxsw_emad_init,
destroy_workqueue() shouled be called to destroy mlxsw_core->emad_wq.
Fixes: d965465b60 ("mlxsw: core: Fix possible deadlock")
Signed-off-by: Liu Jian <liujian56@huawei.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When dma_coerce_mask_and_coherent() fails, the alloced netdev need to be freed.
Fixes: 060ad66f97 ("dpaa_eth: change DMA device")
Signed-off-by: Liu Jian <liujian56@huawei.com>
Acked-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
First set of patches for v5.9. This comes later than usual as I was
offline for two weeks. The biggest change here is moving Microchip
wilc1000 driver from staging. There was an immutable topic branch with
one commit moving the whole driver and the topic branch was pulled
both to staging-next and wireless-drivers-next. At the moment the only
reported conflict is in MAINTAINERS file, so I'm hoping the move
should go smoothly.
Other notable changes are ath11k getting 6 GHz band support and rtw88
supporting RTL8821CE. And there's also the usual fixes, API changes
and cleanups all over.
Major changes:
wilc1000
* move from drivers/staging to drivers/net/wireless/microchip
ath11k
* add 6G band support
* add spectral scan support
iwlwifi
* make FW reconfiguration quieter by not using warn level
rtw88
* add support for RTL8821CE
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Merge tag 'wireless-drivers-next-2020-07-20' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for v5.9
First set of patches for v5.9. This comes later than usual as I was
offline for two weeks. The biggest change here is moving Microchip
wilc1000 driver from staging. There was an immutable topic branch with
one commit moving the whole driver and the topic branch was pulled
both to staging-next and wireless-drivers-next. At the moment the only
reported conflict is in MAINTAINERS file, so I'm hoping the move
should go smoothly.
Other notable changes are ath11k getting 6 GHz band support and rtw88
supporting RTL8821CE. And there's also the usual fixes, API changes
and cleanups all over.
Major changes:
wilc1000
* move from drivers/staging to drivers/net/wireless/microchip
ath11k
* add 6G band support
* add spectral scan support
iwlwifi
* make FW reconfiguration quieter by not using warn level
rtw88
* add support for RTL8821CE
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Karsten Graul says:
====================
net/smc: fixes 2020-07-20
Please apply the following patch series for smc to netdev's net tree.
Patch 1 fixes a problem with a buffer that is not put back when the
connection was killed in the meantime.
Patch 2 fixes a wrong behaviour when the maximum dmb buffer count
exceeded.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
There is a current limit of 1920 registered dmb buffers per ISM device
for smc-d. One link group can contain 255 connections, each connection
is using one dmb buffer. When the connection is closed then the
registered buffer is held in a queue and is reused by the next
connection. When a link group is 'full' then another link group is
created and uses an own buffer pool. The link groups are added to a
list using list_add() which puts a new link group to the first position
in the list.
In the situation that many connections are opened (>1920) and a few of
them stay open while others are closed quickly we end up with at least 8
link groups. For a new connection a matching link group is looked up,
iterating over the list of link groups. The trailing 7 link groups
all have registered dmb buffers which could be reused, while the first
link group has only a few dmb buffers and then hit the 1920 limit.
Because the first link group is not full (255 connection limit not
reached) it is chosen and finally the connection falls back to TCP
because there is no dmb buffer available in this link group.
There are multiple ways to fix that: using list_add_tail() allows
to scan older link groups first for free buffers which ensures that
buffers are reused first. This fixes the problem for smc-r link groups
as well. For smc-d there is an even better way to address this problem
because smc-d does not have the 255 connections per link group limit.
So fix the problem for smc-d by allowing large link groups.
Fixes: c6ba7c9ba4 ("net/smc: add base infrastructure for SMC-D and ISM")
Reviewed-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
To get a send slot smc_wr_tx_get_free_slot() is called, which might
wait for a free slot. When smc_wr_tx_get_free_slot() returns there is a
check if the connection was killed in the meantime. In that case don't
only return an error, but also put back the free slot.
Fixes: b290098092 ("net/smc: cancel send and receive for terminated socket")
Reviewed-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
rxrpc_sendmsg() returns EPIPE if there's an outstanding error, such as if
rxrpc_recvmsg() indicating ENODATA if there's nothing for it to read.
Change rxrpc_recvmsg() to return EAGAIN instead if there's nothing to read
as this particular error doesn't get stored in ->sk_err by the networking
core.
Also change rxrpc_sendmsg() so that it doesn't fail with delayed receive
errors (there's no way for it to report which call, if any, the error was
caused by).
Fixes: 17926a7932 ("[AF_RXRPC]: Provide secure RxRPC sockets for use by userspace and kernel both")
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Most of the tree only uses and implements csum_partial_copy_nocheck,
but the c6x and lib/checksum.c implement a csum_partial_copy that
isn't used anywere except to define csum_partial_copy. Get rid of
this pointless alias.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Because clk_prepare_enable and clk_disable_unprepare already
checked NULL clock parameter, so the additional checks are
unnecessary, just remove them.
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The sparse tool complains as follows:
drivers/clk/qcom/clk-cpu-8996.c:341:19: warning:
symbol 'cpu_msm8996_clks' was not declared. Should it be static?
This variable is not used outside of clk-cpu-8996.c, so this commit
marks it static.
Fixes: 03e342dc45 ("clk: qcom: Add CPU clock driver for msm8996")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20200714142155.35085-1-weiyongjun1@huawei.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The PCIe clocks GCC_PCIE0_AXI_S_BRIDGE_CLK, GCC_PCIE0_RCHNG_CLK_SRC,
GCC_PCIE0_RCHNG_CLK are wrongly added to the gcc reset group.
Move them to the gcc clock group.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Sivaprakash Murugesan <sivaprak@codeaurora.org>
Link: https://lore.kernel.org/r/1594877570-9280-1-git-send-email-sivaprak@codeaurora.org
Fixes: e7fb524cfc ("dt-bindings: clock: qcom: ipq8074: Add missing bindings for PCIe")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
We do not need to constantly re-query pattern ID, we can instead query it
once and then pass to methods that need it.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The name "FS_KEY_DERIVATION_NONCE_SIZE" is a bit outdated since due to
the addition of FSCRYPT_POLICY_FLAG_DIRECT_KEY, the file nonce may now
be used as a tweak instead of for key derivation. Also, we're now
prefixing the fscrypt constants with "FSCRYPT_" instead of "FS_".
Therefore, rename this constant to FSCRYPT_FILE_NONCE_SIZE.
Link: https://lore.kernel.org/r/20200708215722.147154-1-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
Each HKDF context byte is associated with a specific format of the
remaining part of the application-specific info string. Add comments so
that it's easier to keep track of what these all are.
Link: https://lore.kernel.org/r/20200708215529.146890-1-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
Stefan Schmidt says:
====================
pull-request: ieee802154 for net 2020-07-20
An update from ieee802154 for your *net* tree.
A potential memory leak fix for adf7242 from Liu Jian,
and one more HTTPS link change from Alexander A. Klimov.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The driver forgets to call clk_disable_unprepare() in error path after
a success calling for clk_prepare_enable().
Fix to goto err_clk_disable if clk_prepare_enable() is successful.
Fixes: c80d36ff63 ("net: bcmgenet: Use devm_clk_get_optional() to get the clocks")
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Acked-by: Doug Berger <opendmb@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Nicolas Ferre says:
====================
net: macb: Wake-on-Lan magic packet GEM and MACB handling
Here is the second part of support for WoL magic-packet on the current macb
driver. This one
is addressing the bulk of the feature and is based on current net-next/master.
MACB and GEM code must co-exist and as they don't share exactly the same
register layout, I had to specialize a bit the suspend/resume paths and plug a
specific IRQ handler in order to avoid overloading the "normal" IRQ hot path.
These changes were tested on both sam9x60 which embeds a MACB+FIFO controller
and sama5d2 which has a GEM+packet buffer type of controller.
Best regards,
Nicolas
Changes in v7:
- Release the spinlock before exiting macb_suspend/resume in case of error
changing IRQ handler
Changes in v6:
- rebase on net-next/master now that the "fixes" patches of the series are
merged in both net and net-next.
- GEM addition and MACB update to finish the support of WoL magic-packet on the
two revisions of the controller.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Handle the Wake-on-Lan interrupt for the Cadence MACB Ethernet
controller.
As we do for the GEM version, we handle of WoL interrupt in a
specialized interrupt handler for MACB version that is positionned
just between suspend() and resume() calls.
Cc: Claudiu Beznea <claudiu.beznea@microchip.com>
Cc: Harini Katakam <harini.katakam@xilinx.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Adapt the Wake-on-Lan feature to the Cadence GEM Ethernet controller.
This controller has different register layout and cannot be handled by
previous code.
We disable completely interrupts on all the queues but the queue 0.
Handling of WoL interrupt is done in another interrupt handler
positioned depending on the controller version used, just between
suspend() and resume() calls.
It allows to lower pressure on the generic interrupt hot path by
removing the need to handle 2 tests for each IRQ: the first figuring out
the controller revision, the second for actually knowing if the WoL bit
is set.
Queue management in suspend()/resume() functions inspired from RFC patch
by Harini Katakam <harinik@xilinx.com>, thanks!
Cc: Claudiu Beznea <claudiu.beznea@microchip.com>
Cc: Harini Katakam <harini.katakam@xilinx.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix sparse build warning:
drivers/net/ethernet/amazon/ena/ena_netdev.c:2193:34: warning:
Using plain integer as NULL pointer
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Suggested-by: Joe Perches <joe@perches.com>
Acked-by: Shay Agroskin <shayagr@amazon.com>
Acked-by: Shay Agroskin <shayagr@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The driver forgets to call clk_disable_unprepare() in error path after
a success calling for clk_prepare_enable().
Fix to goto err_clk_disable if clk_prepare_enable() is successful.
Fixes: 99d55638d4 ("net: bcmgenet: enable NETIF_F_HIGHDMA flag")
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Acked-by: Doug Berger <opendmb@gmail.com>
Acked-by: Florian fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch is to use eth_broadcast_addr() to assign broadcast address
insetad of memset().
Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
Florian Fainelli says:
====================
net: dsa: Setup dsa_netdev_ops
This patch series addresses the overloading of a DSA CPU/management
interface's netdev_ops for the purpose of providing useful information
from the switch side.
Up until now we had duplicated the existing netdev_ops structure and
added specific function pointers to return information of interest. Here
we have a more controlled way of doing this by involving the specific
netdev_ops function pointers that we want to be patched, which is easier
for auditing code in the future. As a byproduct we can now maintain
netdev_ops pointer comparisons which would be failing before (no known
in tree problems because of that though).
Let me know if this approach looks reasonable to you and we might do the
same with our ethtool_ops overloading as well.
Changes in v2:
- use static inline int vs. static int inline (Kbuild robot)
- fixed typos in patch 4 (Andrew)
- avoid using macros (Andrew)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Now that we have all the infrastructure in place for calling into the
dsa_ptr->netdev_ops function pointers, install them when we configure
the DSA CPU/management interface and tear them down. The flow is
unchanged from before, but now we preserve equality of tests when
network device drivers do tests like dev->netdev_ops == &foo_ops which
was not the case before since we were allocating an entirely new
structure.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Vladimir Oltean