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Add a new socket option, NETLINK_DUMP_STRICT_CHK, that userspace
can use via setsockopt to request strict checking of headers and
attributes on dump requests.
To get dump features such as kernel side filtering based on data in
the header or attributes appended to the dump request, userspace
must call setsockopt() for NETLINK_DUMP_STRICT_CHK and a non-zero
value. Since the netlink sock and its flags are private to the
af_netlink code, the strict checking flag is passed to dump handlers
via a flag in the netlink_callback struct.
For old userspace on new kernel there is no impact as all of the data
checks in later patches are wrapped in a check on the new strict flag.
For new userspace on old kernel, the setsockopt will fail and even if
new userspace sets data in the headers and appended attributes the
kernel will silently ignore it. Moving forward when the setsockopt
succeeds, the new userspace on old kernel means the dump request can
pass an attribute the kernel does not understand. The dump will then
fail as the older kernel does not understand it.
New userspace on new kernel setting the socket option gets the benefit
of the improved data dump.
Kernel side the NETLINK_DUMP_STRICT_CHK uapi is converted to a generic
NETLINK_F_STRICT_CHK flag which can potentially be leveraged for tighter
checking on the NEW, DEL, and SET commands.
Signed-off-by: David Ahern <dsahern@gmail.com>
Acked-by: Christian Brauner <christian@brauner.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull the inet6_fill_args arg up to in6_dump_addrs and move netnsid
into it.
Signed-off-by: David Ahern <dsahern@gmail.com>
Acked-by: Christian Brauner <christian@brauner.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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nla_parse is currently lenient on message parsing, allowing type to be 0
or greater than max expected and only logging a message
"netlink: %d bytes leftover after parsing attributes in process `%s'."
if the netlink message has unknown data at the end after parsing. What this
could mean is that the header at the front of the attributes is actually
wrong and the parsing is shifted from what is expected.
Add a new strict version that actually fails with EINVAL if there are any
bytes remaining after the parsing loop completes, if the atttrbitue type
is 0 or greater than max expected.
Signed-off-by: David Ahern <dsahern@gmail.com>
Acked-by: Christian Brauner <christian@brauner.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure extack is passed to nlmsg_parse where easy to do so.
Most of these are dump handlers and leveraging the extack in
the netlink_callback.
Signed-off-by: David Ahern <dsahern@gmail.com>
Acked-by: Christian Brauner <christian@brauner.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Give a user a reason why EINVAL is returned in nlmsg_parse.
Signed-off-by: David Ahern <dsahern@gmail.com>
Acked-by: Christian Brauner <christian@brauner.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Declare extack in netlink_dump and pass to dump handlers via
netlink_callback. Add any extack message after the dump_done_errno
allowing error messages to be returned. This will be useful when
strict checking is done on dump requests, returning why the dump
fails EINVAL.
Signed-off-by: David Ahern <dsahern@gmail.com>
Acked-by: Christian Brauner <christian@brauner.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace "--v-- fall through --v--" with a proper "fall through"
annotation. Also, change "bad cid: fall through" to
"fall through - bad cid".
This fix is part of the ongoing efforts to enabling -Wimplicit-fallthrough
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jamal Hadi Salim says:
====================
net: sched: cls_u32 Various improvements
Various improvements from Al.
Changes from version 1: Add missing commit
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that we have the knode count, we can instantly check if
any hnodes are non-empty. And that kills the check for extra
references to root hnode - those could happen only if there was
a knode to carry such a link.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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allows to simplify u32_delete() considerably
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Both hnode ->tp_c and tp_c argument of u32_set_parms()
the latter is redundant, the former - never read...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It must be tc_u_common associated with that tp (i.e. tp->data).
Proof:
* both ->ht_up and ->tp_c are assign-once
* ->tp_c of anything inserted into tp_c->hlist is tp_c
* hnodes never get reinserted into the lists or moved
between those, so anything found by u32_lookup_ht(tp->data, ...)
will have ->tp_c equal to tp->data.
* tp->root->tp_c == tp->data.
* ->ht_up of anything inserted into hnode->ht[...] is
equal to hnode.
* knodes never get reinserted into hash chains or moved
between those, so anything returned by u32_lookup_key(ht, ...)
will have ->ht_up equal to ht.
* any knode returned by u32_get(tp, ...) will have ->ht_up->tp_c
point to tp->data
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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the only thing we used ht for was ht->tp_c and callers can get that
without going through ->tp_c at all; start with lifting that into
the callers, next commits will massage those, eventually removing
->tp_c altogether.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* calculate key *once*, not for each hash chain element
* let tc_u_hash() return the pointer to chain head rather than index -
callers are cleaner that way.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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unused
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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not used anymore
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Tested by modifying iproute2 to allow sending a divisor > 255
Tested-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Operation makes no sense. Nothing will actually break if we do so
(depth limit in u32_classify() will prevent infinite loops), but
according to maintainers it's best prohibited outright.
NOTE: doing so guarantees that u32_destroy() will trigger the call
of u32_destroy_hnode(); we might want to make that unconditional.
Test:
tc qdisc add dev eth0 ingress
tc filter add dev eth0 parent ffff: protocol ip prio 100 u32 \
link 800: offset at 0 mask 0f00 shift 6 plus 0 eat match ip protocol 6 ff
should fail with
Error: cls_u32: Not linking to root node
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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... and produce consistent error on attempt to delete such.
Existing check in u32_delete() is inconsistent - after
tc qdisc add dev eth0 ingress
tc filter add dev eth0 parent ffff: protocol ip prio 100 handle 1: u32 \
divisor 1
tc filter add dev eth0 parent ffff: protocol ip prio 200 handle 2: u32 \
divisor 1
both
tc filter delete dev eth0 parent ffff: protocol ip prio 100 handle 801: u32
and
tc filter delete dev eth0 parent ffff: protocol ip prio 100 handle 800: u32
will fail (at least with refcounting fixes), but the former will complain
about an attempt to remove a busy table, while the latter will recognize
it as root and yield "Not allowed to delete root node" instead.
The problem with the existing check is that several tcf_proto instances
might share the same tp->data and handle-to-hnode lookup will be the same
for all of them. So comparing an hnode to be deleted with tp->root won't
catch the case when one tp is used to try deleting the root of another.
Solution is trivial - mark the root hnodes explicitly upon allocation and
check for that.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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'net-phy-mscc-add-support-for-VSC8584-and-VSC8574-Microsemi-quad-port-PHYs'
Quentin Schulz says:
====================
net: phy: mscc: add support for VSC8584 and VSC8574 Microsemi quad-port PHYs
RESEND: rebased on top of latest net-next and on top of latest version of
"net: phy: mscc: various improvements to Microsemi PHY driver" patch
series.
Both PHYs are 4-port PHY that are 10/100/1000BASE-T, 100BASE-FX, 1000BASE-X
and triple-speed copper SFP capable, can communicate with the MAC via
SGMII, QSGMII or 1000BASE-X, supports downshifting and can set the blinking
pattern of each of its 4 LEDs, supports SyncE as well as HP Auto-MDIX
detection.
VSC8574 supports WOL and VSC8584 supports hardware offloading of MACsec.
This patch series add support for 10/100/1000BASE-T, SGMII/QSGMII link with
the MAC, downshifting, HP Auto-MDIX detection and blinking pattern for
their 4 LEDs.
They have also an internal Intel 8051 microcontroller whose firmware needs
to be patched when the PHY is reset. If the 8051's firmware has the
expected CRC, its patching can be skipped. The microcontroller can be
accessed from any port of the PHY, though the CRC function can only be done
through the PHY that is the base PHY of the package (internal address 0)
due to a limitation of the firmware.
The GPIO register bank is a set of registers that are common to all PHYs in
the package. So any modification in any register of this bank affects all
PHYs of the package.
If the PHYs haven't been reset before booting the Linux kernel and were
configured to use interrupts for e.g. link status updates, it is required
to clear the interrupts mask register of all PHYs before being able to use
interrupts with any PHY. The first PHY of the package that will be init
will take care of clearing all PHYs interrupts mask registers. Thus, we
need to keep track of the init sequence in the package, if it's already
been done or if it's to be done.
Most of the init sequence of a PHY of the package is common to all PHYs in
the package, thus we use the SMI broadcast feature which enables us to
propagate a write in one register of one PHY to all PHYs in the same
package.
We also introduce a new development board called PCB120 which exists in
variants for VSC8584 and VSC8574 (and that's the only difference to the
best of my knowledge).
I suggest patches 1 to 3 go through net tree and patches 4 and 5 go
through MIPS tree. Patches going through net tree and those going through
MIPS tree do not depend on one another.
This patch series depends on this patch series:
(https://lore.kernel.org/lkml/20181008100728.24959-1-quentin.schulz@bootlin.com/)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The VSC8574 PHY is a 4-ports PHY that is 10/100/1000BASE-T, 100BASE-FX,
1000BASE-X and triple-speed copper SFP capable, can communicate with
the MAC via SGMII, QSGMII or 1000BASE-X, supports WOL, downshifting and
can set the blinking pattern of each of its 4 LEDs, supports SyncE as
well as HP Auto-MDIX detection.
This adds support for 10/100/1000BASE-T, SGMII/QSGMII link with the MAC,
WOL, downshifting, HP Auto-MDIX detection and blinking pattern for its 4
LEDs.
The VSC8574 has also an internal Intel 8051 microcontroller whose
firmware needs to be patched when the PHY is reset. If the 8051's
firmware has the expected CRC, its patching can be skipped. The
microcontroller can be accessed from any port of the PHY, though the CRC
function can only be done through the PHY that is the base PHY of the
package (internal address 0) due to a limitation of the firmware.
The GPIO register bank is a set of registers that are common to all PHYs
in the package. So any modification in any register of this bank affects
all PHYs of the package.
If the PHYs haven't been reset before booting the Linux kernel and were
configured to use interrupts for e.g. link status updates, it is
required to clear the interrupts mask register of all PHYs before being
able to use interrupts with any PHY. The first PHY of the package that
will be init will take care of clearing all PHYs interrupts mask
registers. Thus, we need to keep track of the init sequence in the
package, if it's already been done or if it's to be done.
Most of the init sequence of a PHY of the package is common to all PHYs
in the package, thus we use the SMI broadcast feature which enables us
to propagate a write in one register of one PHY to all PHYs in the same
package.
Signed-off-by: Quentin Schulz <quentin.schulz@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The VSC8584 PHY is a 4-ports PHY that is 10/100/1000BASE-T, 100BASE-FX,
1000BASE-X and triple-speed copper SFP capable, can communicate with the
MAC via SGMII, QSGMII or 1000BASE-X, supports downshifting and can set
the blinking pattern of each of its 4 LEDs, supports hardware offloading
of MACsec and supports SyncE as well as HP Auto-MDIX detection.
This adds support for 10/100/1000BASE-T, SGMII/QSGMII link with the MAC,
downshifting, HP Auto-MDIX detection and blinking pattern for its 4
LEDs.
The VSC8584 has also an internal Intel 8051 microcontroller whose
firmware needs to be patched when the PHY is reset. If the 8051's
firmware has the expected CRC, its patching can be skipped. The
microcontroller can be accessed from any port of the PHY, though the CRC
function can only be done through the PHY that is the base PHY of the
package (internal address 0) due to a limitation of the firmware.
The GPIO register bank is a set of registers that are common to all PHYs
in the package. So any modification in any register of this bank affects
all PHYs of the package.
If the PHYs haven't been reset before booting the Linux kernel and were
configured to use interrupts for e.g. link status updates, it is
required to clear the interrupts mask register of all PHYs before being
able to use interrupts with any PHY. The first PHY of the package that
will be init will take care of clearing all PHYs interrupts mask
registers. Thus, we need to keep track of the init sequence in the
package, if it's already been done or if it's to be done.
Most of the init sequence of a PHY of the package is common to all PHYs
in the package, thus we use the SMI broadcast feature which enables us
to propagate a write in one register of one PHY to all PHYs in the same
package.
The revA of the VSC8584 PHY (which is not and will not be publicly
released) should NOT patch the firmware of the microcontroller or it'll
make things worse, the easiest way is just to not support it.
Signed-off-by: Quentin Schulz <quentin.schulz@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The VSC8584 (and most likely other PHYs in the same generation) has two
additional LED modes that can be picked, so let's add them.
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Quentin Schulz <quentin.schulz@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Quentin Schulz says:
====================
net: phy: mscc: various improvements to Microsemi PHY driver
The Microsemi PHYs have multiple banks of registers (called pages).
Registers can only be accessed from one page, if we need a register from
another page, we need to switch the page and the registers of all other
pages are not accessible anymore.
Basically, to read register 5 from page 0, 1, 2, etc., you do the same
phy_read(phydev, 5); but you need to set the desired page beforehand.
In order to guarantee that two concurrent functions do not change the
page, we need to do some locking per page. This can be achieved with the
use of phy_select_page and phy_restore_page functions but phy_write/read
calls in-between those two functions shall be replaced by their
lock-free alternative __phy_write/read.
The Microsemi PHYs have several counters so let's make them available as PHY
statistics.
The VSC 8530/31/40/41 also need to update their EEE init sequence in order to
avoid packet losses and improve performance.
This patch series also makes some minor cosmetic changes to the driver.
v3:
- add reviewed-by,
- use phy_read/write/modify_paged whenever possible instead of the
combo phy_select_page, __phy_read/write/modify, phy_restore_page when
only one __phy_read/write/modify was executed,
v2:
- add patch to migrate MSCC driver to use phy_restore/select_page,
- migrate all patches from v1 to use those two functions,
- put the multiple lines of constants writes in an array and iterate over
it to write the values,
- add reviewed-bys,
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Here, the rc variable is either used only for the condition right after
the assignment or right before being used as the return value of the
function it's being used in.
So let's remove this unneeded temporary variable whenever possible.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Quentin Schulz <quentin.schulz@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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`if (x != 0)` is basically a more verbose version of `if (x)` so let's
use the latter so it's consistent throughout the whole driver.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Quentin Schulz <quentin.schulz@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The == operator precedes the || operator, so we can remove the
parenthesis around (a == b) || (c == d).
The condition is rather explicit and short so removing the parenthesis
definitely does not make it harder to read.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Quentin Schulz <quentin.schulz@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Microsemi PHYs (VSC 8530/31/40/41) need to update the Energy Efficient
Ethernet initialization sequence.
In order to avoid certain link state errors that could result in link
drops and packet loss, the physical coding sublayer (PCS) must be
updated with settings related to EEE in order to improve performance.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microchip.com>
Signed-off-by: Quentin Schulz <quentin.schulz@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are a few counters available in the PHY: receive errors, false
carriers, link disconnects, media CRC errors and valids counters.
So let's expose those in the PHY driver.
Use the priv structure as the next PHY to be supported has a few
additional counters.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
Signed-off-by: Quentin Schulz <quentin.schulz@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The Microsemi PHYs have multiple banks of registers (called pages).
Registers can only be accessed from one page, if we need a register from
another page, we need to switch the page and the registers of all other
pages are not accessible anymore.
Basically, to read register 5 from page 0, 1, 2, etc., you do the same
phy_read(phydev, 5); but you need to set the desired page beforehand.
In order to guarantee that two concurrent functions do not change the
page, we need to do some locking per page. This can be achieved with the
use of phy_select_page and phy_restore_page functions but phy_write/read
calls in-between those two functions shall be replaced by their
lock-free alternative __phy_write/read.
Let's migrate this driver to those functions.
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Quentin Schulz <quentin.schulz@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is to fix and improve dpaa2-ptp driver
in some places.
- Fixed the return for some functions.
- Replaced kzalloc with devm_kzalloc.
- Removed dev_set_drvdata(dev, NULL).
- Made ptp_dpaa2_caps const.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is to removed unused code for dprtc.
This code will be re-added along with more features
of dpaa2-ptp added.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In dpaa2-ptp driver, it's odd to use rtc in names of
some functions and structures except these dprtc APIs.
This patch is to use ptp instead of rtc in names.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The NETDEVICES dependency and ETHERNET dependency hadn't
been required since dpaa2-eth was moved out of staging.
Also allowed COMPILE_TEST for dpaa2-eth.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The files maintained under DPAA2 PTP/ETHERNET needs to
be updated since dpaa2 ptp driver had been moved into
drivers/net/ethernet/freescale/dpaa2/.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is to move DPAA2 PTP driver out of staging/
since the dpaa2-eth had been moved out.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix 5 warnings and 14 checks issued by checkpatch.pl:
CHECK: Logical continuations should be on the previous line
+ if ((q->vars.qdelay < q->params.target / 2)
+ && (q->vars.prob < MAX_PROB / 5))
WARNING: line over 80 characters
+ q->params.tupdate = usecs_to_jiffies(nla_get_u32(tb[TCA_PIE_TUPDATE]));
CHECK: Blank lines aren't necessary after an open brace '{'
+{
+
CHECK: braces {} should be used on all arms of this statement
+ if (qlen < QUEUE_THRESHOLD)
[...]
+ else {
[...]
CHECK: Unbalanced braces around else statement
+ else {
CHECK: No space is necessary after a cast
+ if (delta > (s32) (MAX_PROB / (100 / 2)) &&
CHECK: Unnecessary parentheses around 'qdelay == 0'
+ if ((qdelay == 0) && (qdelay_old == 0) && update_prob)
CHECK: Unnecessary parentheses around 'qdelay_old == 0'
+ if ((qdelay == 0) && (qdelay_old == 0) && update_prob)
CHECK: Unnecessary parentheses around 'q->vars.prob == 0'
+ if ((q->vars.qdelay < q->params.target / 2) &&
+ (q->vars.qdelay_old < q->params.target / 2) &&
+ (q->vars.prob == 0) &&
+ (q->vars.avg_dq_rate > 0))
CHECK: Unnecessary parentheses around 'q->vars.avg_dq_rate > 0'
+ if ((q->vars.qdelay < q->params.target / 2) &&
+ (q->vars.qdelay_old < q->params.target / 2) &&
+ (q->vars.prob == 0) &&
+ (q->vars.avg_dq_rate > 0))
CHECK: Blank lines aren't necessary before a close brace '}'
+
+}
CHECK: Comparison to NULL could be written "!opts"
+ if (opts == NULL)
CHECK: No space is necessary after a cast
+ ((u32) PSCHED_TICKS2NS(q->params.target)) /
WARNING: line over 80 characters
+ nla_put_u32(skb, TCA_PIE_TUPDATE, jiffies_to_usecs(q->params.tupdate)) ||
CHECK: Blank lines aren't necessary before a close brace '}'
+
+}
CHECK: No space is necessary after a cast
+ .delay = ((u32) PSCHED_TICKS2NS(q->vars.qdelay)) /
WARNING: Missing a blank line after declarations
+ struct sk_buff *skb;
+ skb = qdisc_dequeue_head(sch);
WARNING: Missing a blank line after declarations
+ struct pie_sched_data *q = qdisc_priv(sch);
+ qdisc_reset_queue(sch);
WARNING: Missing a blank line after declarations
+ struct pie_sched_data *q = qdisc_priv(sch);
+ q->params.tupdate = 0;
Signed-off-by: Leslie Monis <lesliemonis@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is no need to compare *val.vu32* with < 0 because
such variable is of type u32 (32 bits, unsigned), making it
impossible to hold a negative value. Fix this by removing
such comparison.
Also, initialize variable *max_val* to -1, just in case
it is not initialized to either BNXT_MSIX_VEC_MAX or
BNXT_MSIX_VEC_MIN_MAX before using it in a comparison
with val.vu32 at line 159:
if (val.vu32 > max_val)
Addresses-Coverity-ID: 1473915 ("Unsigned compared against 0")
Addresses-Coverity-ID: 1473920 ("Uninitialized scalar variable")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for 4.20
Second set of patches for 4.20. Heavy refactoring on mt76 continues
and the usual drivers in active development (iwlwifi, qtnfmac, ath10k)
getting new features. And as always, fixes and cleanup all over.
Major changes:
mt76
* more major refactoring to make it easier add new hardware support
* more work on mt76x0e support
* support for getting firmware version via ethtool
* add mt7650 PCI ID
iwlwifi
* HE radiotap cleanup and improvements
* reorder channel optimization for scans
* bump the FW API version
qtnfmac
* fixes for 'iw' output: rates for enabled SGI, 'dump station'
* expose more scan features to host: scan flush and dwell time
* inform cfg80211 when OBSS is not supported by firmware
wlcore
* add support for optional wakeirq
ath10k
* retrieve MAC address from system firmware if provided
* support extended board data download for dual-band QCA9984
* extended per sta tx statistics support via debugfs
* average ack rssi support for data frames
* speed up QCA6174 and QCA9377 firmware download using diag Copy
Engine
* HTT High Latency mode support needed by SDIO and USB support
* get STA power save state via debugfs
ath9k
* add reset functionality for airtime station debugfs file
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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mt76 patches for 4.20
* unify code between mt76x0, mt76x2
* mt76x0 fixes
* another fix for rx buffer allocation regression on usb
* move mt76x2 source files to mt76x2 folder
* more work on mt76x0e support
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
Third set of iwlwifi patches for 4.20
* Fix for a race condition that caused the FW to crash;
* HE radiotap cleanup and improvements;
* Reorder channel optimization for scans;
* Bumped the FW API version supported after the last API change for
this release;
* Debugging improvements;
* A few bug fixes;
* Some cleanups in preparation for a new implementation;
* Other small improvements, cleanups and fixes.
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Dave writes:
"Networking fixes:
1) Fix truncation of 32-bit right shift in bpf, from Jann Horn.
2) Fix memory leak in wireless wext compat, from Stefan Seyfried.
3) Use after free in cfg80211's reg_process_hint(), from Yu Zhao.
4) Need to cancel pending work when unbinding in smsc75xx otherwise
we oops, also from Yu Zhao.
5) Don't allow enslaving a team device to itself, from Ido Schimmel.
6) Fix backwards compat with older userspace for rtnetlink FDB dumps.
From Mauricio Faria.
7) Add validation of tc policy netlink attributes, from David Ahern.
8) Fix RCU locking in rawv6_send_hdrinc(), from Wei Wang."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (26 commits)
net: mvpp2: Extract the correct ethtype from the skb for tx csum offload
ipv6: take rcu lock in rawv6_send_hdrinc()
net: sched: Add policy validation for tc attributes
rtnetlink: fix rtnl_fdb_dump() for ndmsg header
yam: fix a missing-check bug
net: bpfilter: Fix type cast and pointer warnings
net: cxgb3_main: fix a missing-check bug
bpf: 32-bit RSH verification must truncate input before the ALU op
net: phy: phylink: fix SFP interface autodetection
be2net: don't flip hw_features when VXLANs are added/deleted
net/packet: fix packet drop as of virtio gso
net: dsa: b53: Keep CPU port as tagged in all VLANs
openvswitch: load NAT helper
bnxt_en: get the reduced max_irqs by the ones used by RDMA
bnxt_en: free hwrm resources, if driver probe fails.
bnxt_en: Fix enables field in HWRM_QUEUE_COS2BW_CFG request
bnxt_en: Fix VNIC reservations on the PF.
team: Forbid enslaving team device to itself
net/usb: cancel pending work when unbinding smsc75xx
mlxsw: spectrum: Delete RIF when VLAN device is removed
...
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As preparation for new trigger type, make iwl_fw_dbg_collect_desc
agnostic to the trigger structure.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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iwl_fw_dbg_collect can be called by any function that already
has the error string ready. iwl_fw_dbg_collect_trig, on the
other hand, does string formatting. The occurrences decrement
is at iwl_fw_dbg_collect_trig, instead of iwl_fw_dbg_collect,
which causes it to sometimes be skipped. Move it to the right
location.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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match_string() returns the index of an array for a matching string,
which can be used intead of open coded variant.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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As preparation for new trigger format, make the function
agnostic to the trigger fomat. Instead it gets the relevant
parameters - id and delay.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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For trigger-based PPDUs, most values aren't part of the HE-SIG-A
because they're preconfigured by the trigger frame. However, we
still have this information since we used the trigger frame to
configure the hardware, so we can (and do) read it back out and
can thus show it in radiotap.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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