Commit Graph

813576 Commits

Author SHA1 Message Date
Yang Wei
baff7b09ff net: i825xx: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
dev_consume_skb_irq() should be called in i596_interrupt() when skb
xmit done. It makes drop profiles(dropwatch, perf) more friendly.

Signed-off-by: Yang Wei <yang.wei9@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 12:43:14 -05:00
Jiri Pirko
fa8ba2cba7 lib: objagg: fix handling of object with 0 users when assembling hints
It is possible that there might be an originally parent object with 0
direct users that is in hints no longer considered as parent. Then the
weight of this object is 0 and current code ignores him. That's why the
total amount of hint objects might be lower than for the original
objagg and WARN_ON is hit. Fix this be considering 0 weight valid.

Fixes: 9069a3817d ("lib: objagg: implement optimization hints assembly and use hints for object creation")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 12:41:54 -05:00
David S. Miller
e0c6d1d859 Merge branch 'cxgb4-SGE-doorbell-queue-timer'
Vishal Kulkarni says:

====================
cxgb4/cxgb4vfSupport for SGE doorbell queue timer

This series of patchs add SGE doorbell queue timer for faster DMA completions.

Patch 1 Implements SGE doorbell queue timer

Patch 2 Adds ethtool capability to set/get SGE doorbell queue timer tick

v2
- Reverse christmas tree formatting for local variables.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 12:39:35 -05:00
Vishal Kulkarni
543a1b85e7 cxgb4: Add capability to get/set SGE Doorbell Queue Timer Tick
This patch gets/sets SGE Doorbell Queue timer ticks via ethtool

Original work by: Casey Leedom <leedom@chelsio.com>

Signed-off-by: Vishal Kulkarni <vishal@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 12:39:35 -05:00
Vishal Kulkarni
d429005fdf cxgb4/cxgb4vf: Add support for SGE doorbell queue timer
T6 introduced a Timer Mechanism in SGE called the
SGE Doorbell Queue Timer. With this we can now configure
TX Queues to get CIDX Updates when:

    Time(CIDX == PIDX) >= Timer

Previously we rely on TX Queue Status Page updates by hardware
for DMA completions. This will make Hardware/Firmware actually
deliver the CIDX Updates as Ingress Queue messages with
commensurate Interrupts.

So we now have a new RX Path component for processing CIDX Updates
and reclaiming TX Descriptors faster.

Original work by: Casey Leedom <leedom@chelsio.com>

Signed-off-by: Vishal Kulkarni <vishal@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 12:39:35 -05:00
Huang Zijiang
c969c6e7ab net: hns: Fix object reference leaks in hns_dsaf_roce_reset()
The of_find_device_by_node() takes a reference to the underlying device
structure, we should release that reference.

Signed-off-by: Huang Zijiang <huang.zijiang@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 12:28:52 -05:00
Huang Zijiang
f694be27b7 sfc: Replace dev_kfree_skb_any by dev_consume_skb_any
The skb should be freed by dev_consume_skb_any() in efx_tx_tso_fallback()
when skb is still used. The skb will be replaced by segments, so the
original skb should be consumed(not drop).

Signed-off-by: Huang Zijiang <huang.zijiang@zte.com.cn>
Acked-by: Bert Kenward <bkenward@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 12:26:50 -05:00
Huang Zijiang
f3e5c07002 net:ethernet:cadence: Replace dev_kfree_skb_any by dev_consume_skb_any
The skb should be freed by dev_consume_skb_any() in macb_pad_and_fcs()
when *skb is still used. The *skb is be replaced by nskb, so the
original *skb should be consumed(not drop).

Signed-off-by: Huang Zijiang <huang.zijiang@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 12:26:26 -05:00
Huang Zijiang
62f2589883 net:dl2k: Replace dev_kfree_skb_irq by dev_consume_skb_irq
dev_consume_skb_irq() should be called when skb xmit
done.It makes drop profiles more friendly.

Signed-off-by: Huang Zijiang <huang.zijiang@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 12:25:24 -05:00
Huang Zijiang
edc307bb7e net:dl2k: Modify the code style escaping the warning
modify the code style in order to removing the following warning
when excute the script checkpatch.pl
WARNING: space prohibited between function name and open parenthesis '('

Signed-off-by: Huang Zijiang <huang.zijiang@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 12:25:24 -05:00
Huang Zijiang
189a10f010 isdn:hisax: Replace dev_kfree_skb_any by dev_consume_skb_any
The skb should be freed by dev_consume_skb_any() in hfcpci_fill_fifo()
when bcs->tx_skb is still used. The bcs->tx_skb is be replaced by
skb_dequeue(&bcs->squeue), so the original bcs->tx_skb should
be consumed(not drop).

Signed-off-by: Huang Zijiang <huang.zijiang@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 12:22:03 -05:00
Jann Horn
2c2ade8174 mm: page_alloc: fix ref bias in page_frag_alloc() for 1-byte allocs
The basic idea behind ->pagecnt_bias is: If we pre-allocate the maximum
number of references that we might need to create in the fastpath later,
the bump-allocation fastpath only has to modify the non-atomic bias value
that tracks the number of extra references we hold instead of the atomic
refcount. The maximum number of allocations we can serve (under the
assumption that no allocation is made with size 0) is nc->size, so that's
the bias used.

However, even when all memory in the allocation has been given away, a
reference to the page is still held; and in the `offset < 0` slowpath, the
page may be reused if everyone else has dropped their references.
This means that the necessary number of references is actually
`nc->size+1`.

Luckily, from a quick grep, it looks like the only path that can call
page_frag_alloc(fragsz=1) is TAP with the IFF_NAPI_FRAGS flag, which
requires CAP_NET_ADMIN in the init namespace and is only intended to be
used for kernel testing and fuzzing.

To test for this issue, put a `WARN_ON(page_ref_count(page) == 0)` in the
`offset < 0` path, below the virt_to_page() call, and then repeatedly call
writev() on a TAP device with IFF_TAP|IFF_NO_PI|IFF_NAPI_FRAGS|IFF_NAPI,
with a vector consisting of 15 elements containing 1 byte each.

Signed-off-by: Jann Horn <jannh@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 12:12:17 -05:00
David S. Miller
61c4c0bcff Merge branch 'net-phy-fix-locking-issue'
Heiner Kallweit says:

====================
net: phy: fix locking issue

Russell pointed out that the locking used in phy_is_started() isn't
needed and misleading. This locking also contributes to a race fixed
with patch 2.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 12:04:55 -05:00
Heiner Kallweit
a200490717 net: phy: fix potential race in the phylib state machine
Russell reported the following race in the phylib state machine
(quoting from his mail):

if (phy_polling_mode(phydev) && phy_is_started(phydev))
	phy_queue_state_machine(phydev, PHY_STATE_TIME);

state = PHY_UP
thread 0			thread 1
				phy_disconnect()
				+-phy_is_started()
phy_is_started()                |
				`-phy_stop()
				  +-phydev->state = PHY_HALTED
				  `-phy_stop_machine()
				    `-cancel_delayed_work_sync()
phy_queue_state_machine()
`-mod_delayed_work()

At this point, the phydev->state_queue() has been added back onto the
system workqueue despite phy_stop_machine() having been called and
cancel_delayed_work_sync() called on it.

Fix this by protecting the complete operation in thread 0.

Fixes: 2b3e88ea65 ("net: phy: improve phy state checking")
Reported-by: Russell King - ARM Linux admin <linux@armlinux.org.uk>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 12:04:55 -05:00
Heiner Kallweit
a2fc9d7e36 net: phy: don't use locking in phy_is_started
Russell suggested to remove the locking from phy_is_started() because
the read is atomic anyway and actually the locking may be more
misleading.

Fixes: 2b3e88ea65 ("net: phy: improve phy state checking")
Suggested-by: Russell King - ARM Linux admin <linux@armlinux.org.uk>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 12:04:55 -05:00
Deepa Dinamani
39c1331962 selftests: fix timestamping Makefile
The clean target in the makefile conflicts with the generic
kselftests lib.mk, and fails to properly remove the compiled
test programs.

Remove the redundant rule, the TEST_GEN_FILES will be already
removed by the CLEAN macro in lib.mk.

Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Acked-by: Shuah Khan <shuah@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 12:03:16 -05:00
Randy Dunlap
a37d45b6fa net: ipvlan_l3s: fix kconfig dependency warning
Fix the kconfig warning in IPVLAN_L3S when neither INET nor IPV6
is enabled:

WARNING: unmet direct dependencies detected for NET_L3_MASTER_DEV
  Depends on [n]: NET [=y] && (INET [=n] || IPV6 [=n])
  Selected by [y]:
  - IPVLAN_L3S [=y] && NETDEVICES [=y] && NET_CORE [=y] && NETFILTER [=y]

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Mahesh Bandewar <maheshb@google.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 11:58:37 -05:00
Yang Wei
ae6279ecb7 net: nuvoton: w90p910_ether: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
dev_consume_skb_irq() should be called in w90p910_ether_start_xmit()
when skb xmit done. It makes drop profiles(dropwatch, perf) more
friendly.

Signed-off-by: Yang Wei <yang.wei9@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 11:56:36 -05:00
Yang Wei
380ab7e3d5 net: natsemi: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
dev_consume_skb_irq() should be called when skb xmit done. It makes
drop profiles(dropwatch, perf) more friendly.

Signed-off-by: Yang Wei <yang.wei9@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 11:56:36 -05:00
Yang Wei
105cfb064b net: micrel: ks8695net: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
dev_consume_skb_irq() should be called in ks8695_tx_irq() when skb
xmit done. It makes drop profiles(dropwatch, perf) more friendly.

Signed-off-by: Yang Wei <yang.wei9@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 11:56:36 -05:00
Yang Wei
d1a096c2c7 net: sgi: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
dev_consume_skb_irq() should be called when skb xmit done. It makes
drop profiles(dropwatch, perf) more friendly.

Signed-off-by: Yang Wei <yang.wei9@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 11:56:36 -05:00
Yang Wei
5fbc136b48 net: myri10ge: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
dev_consume_skb_irq() should be called in myri10ge_tx_done() when
skb xmit done. It makes drop profiles(dropwatch, perf) more friendly.

Signed-off-by: Yang Wei <yang.wei9@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 11:56:36 -05:00
Yang Wei
fc67ade130 net: amd: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
dev_consume_skb_irq() should be called when skb xmit done. It makes
drop profiles(dropwatch, perf) more friendly.

Signed-off-by: Yang Wei <yang.wei9@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 11:56:36 -05:00
Yang Wei
76cba8fd9c net: dlink: sundance: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
dev_consume_skb_irq() should be called in intr_handler() when skb
xmit done. It makes drop profiles(dropwatch, perf) more friendly.

Remove a redundant blank line in intr_handler().

Signed-off-by: Yang Wei <yang.wei9@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 11:56:36 -05:00
David S. Miller
feb558c270 Merge branch 'uapi-Add-a-new-header-for-time-types'
Deepa Dinamani says:

====================
uapi: Add a new header for time types

The series aims at adding a new time header: time_types.h.  This header
is what will eventually hold all the uapi time types that we plan to
leave across the interfaces after the y2038 cleanup.

The series was discussed with Arnd Bergmann.

The second patch fixes the errqueue.h header, which has a dependency on
these types.

Note that there may be a trivial merge conflict with linux-next
c70a772fda ("y2038: remove struct definition redirects").
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 11:51:51 -05:00
Deepa Dinamani
460a2db027 errqueue.h: Include time_types.h
Now that we have a separate header for struct __kernel_timespec,
include it directly without relying on userspace to do it.

Reported-by: Ran Rozenstein <ranro@mellanox.com>
Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 11:51:51 -05:00
Deepa Dinamani
ca5e9aba75 time: Add time_types.h
sys/time.h is the mandated include for many time related
defines. However, linux/time.h overlaps sys/time.h
significantly and this makes including both from userspace
or one from the other impossible.

This also means that userspace can get away with including
sys/time.h whenever it needs linux/time.h and this is what's
been happening in the user world usually.

But, we have new data types that we plan to use in the uapi time
interfaces also defined in the linux/time.h. But, we are unable
to use these types when sys/time.h is included.

Hence, move the new types to a new header, time_types.h.
We intend to eventually have all the uapi defines that the kernel
uses defined in this header.
Note that the plan is to replace uapi interfaces with timeval to
use __kernel_old_timeval, timespec to use __kernel_old_timespec etc.

Reported-by: Ran Rozenstein <ranro@mellanox.com>
Fixes: 9718475e69 ("socket: Add SO_TIMESTAMPING_NEW")
Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 11:51:51 -05:00
David S. Miller
a08ef41f71 Merge branch 'devlink-region-read-fixes'
Parav Pandit says:

====================
devlink: 2 fixes for devlink region read

This 2 patches consist of fixes for devlink region read handling.

v0->v1:
 - Fixed typo from user to use
v1->v2:
 - Rebased
====================

Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 11:46:13 -05:00
Parav Pandit
dac7c08f98 devlink: Fix list access without lock while reading region
While finding the devlink device during region reading,
devlink device list is accessed and devlink device is
returned without holding a lock. This could lead to use-after-free
accesses.

While at it, add lockdep assert to ensure that all future callers hold
the lock when calling devlink_get_from_attrs().

Fixes: 4e54795a27 ("devlink: Add support for region snapshot read command")
Signed-off-by: Parav Pandit <parav@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 11:45:39 -05:00
Parav Pandit
fdd41ec21e devlink: Return right error code in case of errors for region read
devlink_nl_cmd_region_read_dumpit() misses to return right error code on
most error conditions.
Return the right error code on such errors.

Fixes: 4e54795a27 ("devlink: Add support for region snapshot read command")
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 11:45:39 -05:00
Tonghao Zhang
415d394273 bonding: check slave set command firstly
This patch is a little improvement. If user use the
command shown as below, we should print the info [1]
instead of [2]. The eth0 exists actually, and it may
confuse user.

$ echo "eth0" > /sys/class/net/bond4/bonding/slaves

[1] "bond4: no command found in slaves file - use +ifname or -ifname"
[2] "write error: No such device"

Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-14 11:35:50 -05:00
David S. Miller
79e088239c Merge branch 'mlxsw-hwmon-and-thermal-extensions'
Ido Schimmel says:

====================
mlxsw: hwmon and thermal extensions

Vadim says:

This patchset contains various improvements to hwmon and thermal code in
mlxsw. The most significant improvement is the ability to read modules'
temperature attributes (input, fault, critical and emergency thresholds)
as well as fans' fault indication. These new attributes will improve the
ability to monitor the system.

Patches #1-#4 add the necessary device registers and APIs to read
modules' temperature attributes and fans' fault indication.

Patches #5-#8 perform small improvements in hwmon and thermal code such
as using a more indicative name for cooling devices.

Patch #9 exposes fans' fault indication via hwmon.

Patch #10 exposes modules' temperature attributes via hwmon.

Patch #11 adds an hwmon label to modules' temperature sensor. This helps
to parse the output of utilities such as "sensors".

Patch #12 allows to bind an external cooling device ("mlxreg-fan") to
mlxsw thermal zone. This will allow the mlxsw thermal zone to change the
cooling level of cooling devices not programmed via switch registers.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-13 22:33:03 -08:00
Vadim Pasternak
97cd342ae4 mlxsw: core: Allow thermal zone binding to an external cooling device
Allow thermal zone binding to an external cooling device from the
cooling devices white list.

It provides support for Mellanox next generation systems on which
cooling device logic is not controlled through the switch registers.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-13 22:33:02 -08:00
Vadim Pasternak
a53779de6a mlxsw: core: Add QSFP module temperature label attribute to hwmon
Add label attribute to hwmon object for exposing QSFP module's
temperature sensor name. Modules are labeled as "front panel xxx". The
label is used by utilities such as "sensors":

front panel 001:   +0.0C  (crit =  +0.0C, emerg =  +0.0C)
..
front panel 020:  +31.0C  (crit = +70.0C, emerg = +80.0C)
..
front panel 056:  +41.0C  (crit = +70.0C, emerg = +80.0C)

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-13 22:33:02 -08:00
Vadim Pasternak
5c42eaa07b mlxsw: core: Extend hwmon interface with QSFP module temperature attributes
Add new attributes to hwmon object for exposing QSFP module temperature
input, fault indication, critical and emergency thresholds. Temperature
input and fault indication are read from Management Temperature Bulk
Register. Temperature thresholds are read from Management Cable Info
Access Register.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-13 22:33:02 -08:00
Vadim Pasternak
2c6a33cd33 mlxsw: core: Extend hwmon interface with fan fault attribute
Add new fan hwmon attribute for exposing fan faults (fault indication is
read from Fan Out of Range Event Register).

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-13 22:33:02 -08:00
Vadim Pasternak
2ee1165118 mlxsw: core: Rename cooling device
Rename cooling device from "Fan" to "mlxsw_fan".  Name "Fan" is too
common name, and such name is misleading, while it's interpreted by
user. For example name "Fan" could be used by ACPI.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-13 22:33:02 -08:00
Vadim Pasternak
41e760841d mlxsw: core: Replace thermal temperature trips with defines
Replace thermal hardcoded temperature trip values with defines.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-13 22:33:02 -08:00
Vadim Pasternak
69115b7d01 mlxsw: core: Modify thermal zone definition
Modify thermal zone trip points setting for better alignment with system
thermal requirement.

Add hysteresis thresholds for thermal trips in order to avoid throttling
around thermal trip point. If hysteresis temperature is not considered,
PWM can have side effect of flip up/down on thermal trip point boundary.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-13 22:33:02 -08:00
Vadim Pasternak
3dcfe17957 mlxsw: core: Set different thermal polling time based on bus frequency capability
Add low frequency bus capability in order to allow core functionality
separation based on bus type. Driver could run over PCIe, which is
considered as high frequency bus or I2C, which is considered as low
frequency bus. In the last case time setting, for example, for thermal
polling interval, should be increased.

Use different thermal monitoring based on bus type. For I2C bus time is
set to 20 seconds, while for PCIe 1 second polling interval is used.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-13 22:33:02 -08:00
Vadim Pasternak
d93c19a1d9 mlxsw: core: Add API for QSFP module temperature thresholds reading
Add new API to read QSFP module's temperature thresholds - warning and
critical.

New internal API reads the temperature thresholds from the modules,
which are equipped with the thermal sensor. These thresholds will be
exposed via hwmon subsystem.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-13 22:33:02 -08:00
Vadim Pasternak
3760c2b99e mlxsw: reg: Add Fan Out of Range Event Register
Add FORE (Fan Out of Range Event Register), which is used for fan fault
reading.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-13 22:33:02 -08:00
Vadim Pasternak
5f28ef71a5 mlxsw: reg: Add Management Temperature Bulk Register
Add MTBR (Management Temperature Bulk Register), which is used for port
temperature reading in a bulk mode.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-13 22:33:02 -08:00
Vadim Pasternak
d517ee7ca8 mlxsw: spectrum: Move QSFP EEPROM definitions to common location
Move QSFP EEPROM definitions to common location from the spectrum driver
in order to make them available for other mlxsw modules. They are common
for all kind of chips and have relation to SFF specifications 8024,
8436, 8472, 8636, rather than to chip type.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-13 22:33:01 -08:00
David S. Miller
03b9674202 This feature/cleanup patchset includes the following patches:
- fix memory leak in in batadv_dat_put_dhcp, by Martin Weinelt
 
  - fix typo, by Sven Eckelmann
 
  - netlink restructuring patch series (part 2), by Sven Eckelmann
    (19 patches)
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Merge tag 'batadv-next-for-davem-20190213' of git://git.open-mesh.org/linux-merge

Simon Wunderlich says:

====================
This feature/cleanup patchset includes the following patches:

 - fix memory leak in in batadv_dat_put_dhcp, by Martin Weinelt

 - fix typo, by Sven Eckelmann

 - netlink restructuring patch series (part 2), by Sven Eckelmann
   (19 patches)
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-13 22:28:11 -08:00
Dan Carpenter
e7c2e3b570 test_objagg: Uninitialized variable in error handling
We need to set the error message on this path otherwise some of the
callers, such as test_hints_case(), print from an uninitialized pointer.

We had a similar bug earlier and set "errmsg" to NULL in the caller,
test_delta_action_item().  That code is no longer required so I have
removed it.

Fixes: 9069a3817d ("lib: objagg: implement optimization hints assembly and use hints for object creation")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-13 22:13:29 -08:00
Dan Carpenter
951d3d6fcd test_objagg: Test the correct variable
There is a typo here.  We intended to check "objagg2" but we instead
test "objagg" which is not an error pointer.

Fixes: 9069a3817d ("lib: objagg: implement optimization hints assembly and use hints for object creation")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-13 22:13:29 -08:00
Dan Carpenter
4446eb8dbe lib: objagg: Fix an error code in objagg_hints_get()
We need to set the error code on this path otherwise we return
ERR_PTR(0) which would result in a NULL dereference in the caller.

Fixes: 9069a3817d ("lib: objagg: implement optimization hints assembly and use hints for object creation")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-13 22:13:29 -08:00
Dan Carpenter
8d6ea93285 net: dsa: bcm_sf2: potential array overflow in bcm_sf2_sw_suspend()
The value of ->num_ports comes from bcm_sf2_sw_probe() and it is less
than or equal to DSA_MAX_PORTS.  The ds->ports[] array is used inside
the dsa_is_user_port() and dsa_is_cpu_port() functions.  The ds->ports[]
array is allocated in dsa_switch_alloc() and it has ds->num_ports
elements so this leads to a static checker warning about a potential out
of bounds read.

Fixes: 8cfa94984c ("net: dsa: bcm_sf2: add suspend/resume callbacks")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Vivien Didelot <vivien.didelot@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-13 22:11:53 -08:00
Vishal Kulkarni
f8b1f9f645 cxgb4vf: Few more link management changes.
CR4_QSFP 10G Speed technology should be 10000baseKR_Full
And also report available FEC modes.

Signed-off-by: Vishal Kulkarni <vishal@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-13 22:11:21 -08:00