Jamal Hadi Salim says:
====================
Some actions were broken in allowing for late binding of actions.
Late binding workflow is as follows:
a) create an action and provide all necessary parameters for it
Optionally provide an index or let the kernel give you one.
Example:
sudo tc actions add action police rate 1kbit burst 90k drop index 1
b) later on bind to the pre-created action from a filter definition
by merely specifying the index.
Example:
sudo tc filter add dev lo parent ffff: protocol ip prio 8 \
u32 match ip src 127.0.0.8/32 flowid 1:8 action police index 1
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The process below was broken and is fixed with this patch.
//add an ife action and give it an instance id of 1
sudo tc actions add action ife encode \
type 0xDEAD allow mark dst 02:15:15:15:15:15 index 1
//create a filter which binds to ife action id 1
sudo tc filter add dev $DEV parent ffff: protocol ip prio 1 u32\
match ip dst 17.0.0.1/32 flowid 1:11 action ife index 1
Message before fix was:
RTNETLINK answers: Invalid argument
We have an error talking to the kernel
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The process below was broken and is fixed with this patch.
//add a skbedit action and give it an instance id of 1
sudo tc actions add action skbedit mark 10 index 1
//create a filter which binds to skbedit action id 1
sudo tc filter add dev $DEV parent ffff: protocol ip prio 1 u32\
match ip dst 17.0.0.1/32 flowid 1:10 action skbedit index 1
Message before fix was:
RTNETLINK answers: Invalid argument
We have an error talking to the kernel
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The process below was broken and is fixed with this patch.
//add a simple action and give it an instance id of 1
sudo tc actions add action simple sdata "foobar" index 1
//create a filter which binds to simple action id 1
sudo tc filter add dev $DEV parent ffff: protocol ip prio 1 u32\
match ip dst 17.0.0.1/32 flowid 1:10 action simple index 1
Message before fix was:
RTNETLINK answers: Invalid argument
We have an error talking to the kernel
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The process below was broken and is fixed with this patch.
//add an mirred action and give it an instance id of 1
sudo tc actions add action mirred egress mirror dev $MDEV index 1
//create a filter which binds to mirred action id 1
sudo tc filter add dev $DEV parent ffff: protocol ip prio 1 u32\
match ip dst 17.0.0.1/32 flowid 1:10 action mirred index 1
Message before bug fix was:
RTNETLINK answers: Invalid argument
We have an error talking to the kernel
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This was broken and is fixed with this patch.
//add an ipt action and give it an instance id of 1
sudo tc actions add action ipt -j mark --set-mark 2 index 1
//create a filter which binds to ipt action id 1
sudo tc filter add dev $DEV parent ffff: protocol ip prio 1 u32\
match ip dst 17.0.0.1/32 flowid 1:10 action ipt index 1
Message before bug fix was:
RTNETLINK answers: Invalid argument
We have an error talking to the kernel
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Late vlan action binding was broken and is fixed with this patch.
//add a vlan action to pop and give it an instance id of 1
sudo tc actions add action vlan pop index 1
//create filter which binds to vlan action id 1
sudo tc filter add dev $DEV parent ffff: protocol ip prio 1 u32 \
match ip dst 17.0.0.1/32 flowid 1:1 action vlan index 1
current message(before bug fix) was:
RTNETLINK answers: Invalid argument
We have an error talking to the kernel
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- remove useless skb size check in batadv_interface_rx
- basic netns support introduced by Andrew Lunn:
- prevent virtual interface from changing netns by setting
NETIF_F_NETNS_LOCAL
- create virtual interface within the netns of the first
hard-interface
- introduce detection of complex bridge loops and report event
to the user (via udev) when the Bridge Loop Avoidance mechanism
can't prevent them
- minor reference counting bugfixes for the hard_iface object that
couldn't make it via the net tree
- use kref_get() instead of kref_get_unless_zero() to make reference
counting bug more visible
- use batadv_compare_eth() all over the code when possible instead of
plain memcmp()
- minor code cleanup and style adjustments
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Merge tag 'batman-adv-for-davem' of git://git.open-mesh.org/linux-merge
Antonio Quartulli says:
====================
Included changes:
- remove useless skb size check in batadv_interface_rx
- basic netns support introduced by Andrew Lunn:
- prevent virtual interface from changing netns by setting
NETIF_F_NETNS_LOCAL
- create virtual interface within the netns of the first
hard-interface
- introduce detection of complex bridge loops and report event
to the user (via udev) when the Bridge Loop Avoidance mechanism
can't prevent them
- minor reference counting bugfixes for the hard_iface object that
couldn't make it via the net tree
- use kref_get() instead of kref_get_unless_zero() to make reference
counting bug more visible
- use batadv_compare_eth() all over the code when possible instead of
plain memcmp()
- minor code cleanup and style adjustments
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This missing break statement bug predates git. It's a very minor thing,
it means that we print a '?' instead of a 'z' in dmesg.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The device ID obtained from the inquiry can only be of a single type.
The original code places a check for TYPE_ZBC right after the check for
TYPE_DISK. Logically, if the first if statement sees a device of a
TYPE_DISK and moves on to the second statement checking if not TYPE_ZBC,
it will always hit the continue.
[mkp: Applied by hand]
Signed-off-by: Petros Koutoupis <petros@petroskoutoupis.com>
Acked-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Some arrays / HBAs will only present T10 vendor IDs, so we should be
decoding them, too.
[mkp: Fixed T10 spelling]
Suggested-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Hannes Reinecke <hare@suse.com>
Tested-by: Paul Mackerras <paulus@ozlabs.org>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Not every device will return a useable VPD identification, but still
might support ALUA. Rather than disable ALUA support we should be
allowing the device identification to be empty and attach individual
ALUA device handler to each devices.
[mkp: Fixed typo reported by Bart]
Reported-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Hannes Reinecke <hare@suse.com>
Tested-by: Paul Mackerras <paulus@ozlabs.org>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
For reported SAS addresses replace fake IEEE registered NAAs (5) with
locally assigned NAAs (3).
Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Permit changing of a LU name from a (fake) IEEE registered NAA (5) to a
locally assigned UUID. Using a UUID (RFC 4122) for a SCSI designation
descriptor (e.g. a LU name) was added in spc5r08.pdf (a draft INCITS
standard) on 25 January 2016. Add parameter uuid_ctl to use a separate
UUID for each LU (storage device) name. Additional option for all LU
names to have the same UUID (since their storage is shared). Previous
action of using NAA identifier for LU name remains the default.
Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Cleanup some mode and vpd pages. Stop reporting SBC (disk) pages when
peripheral type is something else (e.g. tape). Update version
descriptors. Expand LBPRZ flag handling.
Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add submit_queue parameter (minimum and default: 1; maximum: nr_cpu_ids)
that controls how many queues are built, each with their own lock and
in_use bit vector. Add statistics parameter which is default off.
Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When global and local pstate are equal in a powernv_target_index() call,
we don't queue a timer. But we may have timer already queued for future.
This could cause the timer to fire one additional time for no use.
Signed-off-by: Akshay Adiga <akshay.adiga@linux.vnet.ibm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Fix a WARN_ON caused by smp_call_function_any() when irq is disabled,
because of changes made in the patch ('cpufreq: powernv: Ramp-down
global pstate slower than local-pstate')
https://patchwork.ozlabs.org/patch/612058/
WARNING: CPU: 0 PID: 4 at kernel/smp.c:291
smp_call_function_single+0x170/0x180
Call Trace:
[c0000007f648f9f0] [c0000007f648fa90] 0xc0000007f648fa90 (unreliable)
[c0000007f648fa30] [c0000000001430e0] smp_call_function_any+0x170/0x1c0
[c0000007f648fa90] [c0000000007b4b00]
powernv_cpufreq_target_index+0xe0/0x250
[c0000007f648fb00] [c0000000007ac9dc]
__cpufreq_driver_target+0x20c/0x3d0
[c0000007f648fbc0] [c0000000007b1b4c] od_dbs_timer+0xcc/0x260
[c0000007f648fc10] [c0000000007b3024] dbs_work_handler+0x54/0xa0
[c0000007f648fc50] [c0000000000c49a8] process_one_work+0x1d8/0x590
[c0000007f648fce0] [c0000000000c4e08] worker_thread+0xa8/0x660
[c0000007f648fd80] [c0000000000cca88] kthread+0x108/0x130
[c0000007f648fe30] [c0000000000095e8] ret_from_kernel_thread+0x5c/0x74
- Calling smp_call_function_any() with interrupt disabled (through
spin_lock_irqsave) could cause a deadlock, as smp_call_function_any()
relies on the IPI to complete. This is detected in the
smp_call_function_any() call and hence the WARN_ON.
- As the spinlock (gpstates->lock) is only used to synchronize access of
global_pstate_info between timer irq handler and target_index calls. And
the timer irq handler just try_locks() hence it would not cause a
deadlock. Hence could do without making spinlocks irq safe.
- As the smp_call_function_any() is a blocking call and does not access
global_pstates_info, it could reduce the critcal section by moving
smp_call_function_any() after giving up the lock.
Reported-by: Abdul Haleem <abdhalee@linux.vnet.linux.com>
Signed-off-by: Akshay Adiga <akshay.adiga@linux.vnet.ibm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
INT3406 ACPI device object resembles an ACPI video output device, but its
_BCM is said to be deprecated and should not be used. So we will make
use of the raw interface to do the actual cooling.
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- New board support of LS1043a-QDS from Freescale/NXP
- Add new compatible for LS1043A and LS2080A GPIO devices
- Update device tree bindings and sources for LS2080A fsl-mc device
- Update QSPI and DSPI support on LS1043A and LS2080A
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Merge tag 'imx-dt64-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/dt64
Merge "The Freescale/NXP arm64 device tree updates for 4.7" from Shawn Guo:
- New board support of LS1043a-QDS from Freescale/NXP
- Add new compatible for LS1043A and LS2080A GPIO devices
- Update device tree bindings and sources for LS2080A fsl-mc device
- Update QSPI and DSPI support on LS1043A and LS2080A
* tag 'imx-dt64-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
arm64: dts: ls2080a: fsl-mc dt node updates
Documentation: fsl-mc: binding updates for MSIs, ranges, PHYs
arm64: dts: ls1043a: add the DTS node for QSPI support
Documentation: fsl-quadspi: Add fsl,ls1043a-qspi compatible string
arm64: dts: ls2080a: Add compatible "fsl,ls2080a-gpio" for ls2080a gpio nodes
arm64: dts: ls1043a: Add compatible "fsl,qoriq-gpio" for ls1043a gpio nodes
arm64: dts: ls2080a: update the DTS for QSPI and DSPI support
Documentation: fsl: dspi: Add fsl,ls2080a-dspi compatible string
arm64: dts: ls1043a-rdb: add the DTS for DSPI support
arm64: dts: add LS1043a-QDS board support
Documentation: DT: Add entry for Freescale LS1043a-QDS board
Complement the GM20B GPU device tree node on Tegra210 with missing
properties to make it usable.
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Merge tag 'tegra-for-4.7-gm20b' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/dt64
Merge "arm64: tegra: Enable GM20B GPU on Tegra210" from Thierry Reding:
Complement the GM20B GPU device tree node on Tegra210 with missing
properties to make it usable.
* tag 'tegra-for-4.7-gm20b' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
arm64: tegra: Add IOMMU node to GM20B on Tegra210
arm64: tegra: Add reference clock to GM20B on Tegra210
dt-bindings: Add documentation for GM20B GPU
dt-bindings: gk20a: Document iommus property
dt-bindings: gk20a: Fix typo in compatible name
Adds device tree bindings for the GPIO and AON controllers found on the
Tegra186 SoC.
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Merge tag 'tegra-for-4.7-gpio' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/dt64
Merge "dt-bindings: gpio: tegra: Add Tegra186 support" from Thierry Reding:
Adds device tree bindings for the GPIO and AON controllers found on the
Tegra186 SoC.
* tag 'tegra-for-4.7-gpio' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
ARM: tegra: Add DT binding for Tegra186 GPIO controllers
ARM: tegra: Fix naming in GPIO DT binding header
- switch to label in the mvebu arm64 device tree
- use new clock binding on Armada 7K/8K
- improve SPI and I2C description on Armada 7K/8k
- add CP110 block adding PCIe, SATA and USB3
- add XOR support on Armada 3700
- few more little fix
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Merge tag 'mvebu-dt64-4.7-1' of git://git.infradead.org/linux-mvebu into next/dt64
Merge "mvebu dt64 for 4.7" from Gregory CLEMENT:
- switch to label in the mvebu arm64 device tree
- use new clock binding on Armada 7K/8K
- improve SPI and I2C description on Armada 7K/8k
- add CP110 block adding PCIe, SATA and USB3
- add XOR support on Armada 3700
- few more little fix
* tag 'mvebu-dt64-4.7-1' of git://git.infradead.org/linux-mvebu:
arm64: dts: marvell: add XOR node for Armada 3700 SoC
arm64: dts: marvell: Use a SoC-specific compatible for xHCI on Armada37xx
arm64: dts: marvell: Rename armada-37xx USB node
arm64: dts: marvell: Clean up armada-3720-db
arm64: dts: marvell: enable several CP interfaces on Armada 7040-DB
arm64: dts: marvell: initial DT description of Armada 7K/8K CP110 master
arm64: dts: marvell: use the proper I2C controller compatible string for 7K/8K
arm64: dts: marvell: improve SPI flash description on Armada 7040-DB
arm64: dts: marvell: use new clock binding on Armada AP806
arm64: dts: marvell: add UART aliases and define stdout-path
arm64: dts: marvell: rename armada-ap806 XOR nodes
arm64: dts: marvell: clean up armada-7040-db
dts for the evaluation board of this chip and similar to the arm32
side also move the rk3368 thermal data into the core soc dtsi, as
there really is no need to keep it separate.
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Merge tag 'v4.7-rockchip-dts64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/dt64
Merge "Rockchip dts64 updates for v4.7 - part2" from Heiko Stübner:
Adding the new rk3399 core devicetree support as well as a board
dts for the evaluation board of this chip and similar to the arm32
side also move the rk3368 thermal data into the core soc dtsi, as
there really is no need to keep it separate.
* tag 'v4.7-rockchip-dts64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
dt-bindings: document rockchip rk3399-evb board
arm64: dts: rockchip: add dts file for RK3399 evaluation board
arm64: dts: rockchip: add core dtsi file for RK3399 SoCs
dt-bindings: rockchip-dw-mshc: add description for rk3399
clk: rockchip: export some necessary rk3399 clock ids
clk: rockchip: rename rga clock-id on rk3399
clk: rockchip: add general gpu soft-reset on rk3399
arm64: dts: rockchip: move the rk3368 thermal data into rk3368.dtsi
clk: rockchip: fix checkpatch errors in rk3399 dt-binding header
clk: rockchip: add dt-binding header for rk3399
There are two instances of an unused variable, `doff' added by
commit 6fa01ccd88 ("skbuff: Add pskb_extract() helper function")
in pskb_carve_inside_header() and pskb_carve_inside_nonlinear().
Remove these instances, they are not used.
Reported by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The handler 'ila_fill_encap_info' adds two attributes: ILA_ATTR_LOCATOR
and ILA_ATTR_CSUM_MODE.
nla_total_size_64bit() must be use for ILA_ATTR_LOCATOR.
Also, do nla_put_u8 instead of nla_put_u64 for ILA_ATTR_CSUM_MODE.
Fixes: f13a82d87b ("ipv6: use nla_put_u64_64bit()")
Fixes: 90bfe662db ("ila: add checksum neutral ILA translations")
Reported-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If phy was suspended and is starting, current driver always enable
phy's interrupts, if phy works in polling, phy can raise unexpected
interrupt which will not be handled, the interrupt will block system
enter suspend again. So interrupts should only be re-enabled if phy
works in interrupt.
Signed-off-by: Shaohui Xie <Shaohui.Xie@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In the very unlikely case __tcp_retransmit_skb() can not use the cloning
done in tcp_transmit_skb(), we need to refresh skb_mstamp before doing
the copy and transmit, otherwise TCP TS val will be an exact copy of
original transmit.
Fixes: 7faee5c0d5 ("tcp: remove TCP_SKB_CB(skb)->when")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The GTPv1 header flags indicate the presence of optional extensions
after this header. Refresh the pointer to the GTPv1 header as skb->head
might have be reallocated via pskb_may_pull().
Fixes: 459aa660eb ("gtp: add initial driver for datapath of GPRS Tunneling Protocol (GTP-U)")
Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit ce3dd55b99 ("arm64: Introduce Allwinner SoC config option"),
added support for ARCH_SUNXI on arm64, but failed to select
GENERIC_IRQ_CHIP, which is required for drivers/irqchip/irq-sunxi-nmi.c
and causes build failures like :
UPD include/generated/compile.h
CC init/version.o
LD init/built-in.o
drivers/built-in.o: In function `sunxi_sc_nmi_set_type':
drivers/irqchip/irq-sunxi-nmi.c:114: undefined reference to `irq_setup_alt_chip'
drivers/built-in.o: In function `irq_domain_add_linear':
include/linux/irqdomain.h:253: undefined reference to `irq_generic_chip_ops'
include/linux/irqdomain.h:253: undefined reference to `irq_generic_chip_ops'
drivers/built-in.o: In function `sunxi_sc_nmi_irq_init':
drivers/irqchip/irq-sunxi-nmi.c:146: undefined reference to `irq_alloc_domain_generic_chips'
drivers/irqchip/irq-sunxi-nmi.c:161: undefined reference to `irq_get_domain_generic_chip'
drivers/irqchip/irq-sunxi-nmi.c:170: undefined reference to `irq_gc_mask_clr_bit'
drivers/irqchip/irq-sunxi-nmi.c:171: undefined reference to `irq_gc_mask_set_bit'
drivers/irqchip/irq-sunxi-nmi.c:172: undefined reference to `irq_gc_ack_set_bit'
drivers/irqchip/irq-sunxi-nmi.c:170: undefined reference to `irq_gc_mask_clr_bit'
Fixes: commit ce3dd55b99 ("arm64: Introduce Allwinner SoC config option")
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The attribute 0 is never used in drbd, so let's use it as pad attribute
in netlink messages. This minimizes the patch.
Note that this patch is only compile-tested.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Philippe Reynes says:
====================
net: phy: add phy_ethtool_{get|set}_link_ksettings
Ethtool callbacks {get|set}_link_ksettings may be the
same for many drivers. So we add two generics callbacks
phy_ethtool_{get|set}_link_ksettings.
To use those generics callbacks, the ethernet driver must
use the pointer phydev contained in struct net_device, and
not use a private structure to store this pointer.
Changelog:
v3:
- rename function to phy_ethtool_{get|set}_link_ksettings
- move code to net/phy/phy.c
This feedback were provided by David Decotigny
v2:
- use generic function instead of macro
- ethernet driver use the pointer phydev provided by struct net_device
Those idea were provided by Ben Hutchings,
and Florian Fainelli acknowledge them.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
There are two generics functions phy_ethtool_{get|set}_link_ksettings,
so we can use them instead of defining the same code in the driver.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The private structure contain a pointer to phydev, but the structure
net_device already contain such pointer. So we can remove the pointer
phydev in the private structure, and update the driver to use the one
contained in struct net_device.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ethtool callbacks {get|set}_link_ksettings are often the same, so
we add two generics functions phy_ethtool_{get|set}_link_ksettings
to avoid writing severals times the same function.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Acked-By: David Decotigny <decot@googlers.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Elad Kanfi says:
====================
nps_enet: Net driver bugs fix
v3:
tx_packet_sent flag is not necessary, use socket buffer pointer
instead.
Use wmb() instead of smp_wmb().
v2:
Remove code style commit for now.
Code style commit will be added after the bugs fix will be approved.
Summary:
1. Bug description: TX done interrupts that arrives while interrupts
are masked, during NAPI poll, will not trigger an interrupt handling.
Since TX interrupt is of level edge we will lose the TX done interrupt.
As a result all pending tx frames will get no service.
Solution: Check if there is a pending tx request after unmasking the
interrupt and if answer is yes then re-add ourselves to
the NAPI poll list.
2. Bug description: CPU-A before sending a frame will set a variable
to true. CPU-B that executes the tx done interrupt service routine
might read a non valid value of that variable.
Solution: Use the socket buffer pointer instead of the variable,
and add a write memory barrier at the tx sending function after
the pointer is set.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The tx interrupt is of edge type, and in case such interrupt is triggered
while it is masked it will not be handled even after tx interrupts are
re-enabled in the end of NAPI poll.
This will cause tx network to stop in the following scenario:
* Rx is being handled, hence interrupts are masked.
* Tx interrupt is triggered after checking if there is some tx to handle
and before re-enabling the interrupts.
In this situation only rx transaction will release tx requests.
In order to handle the tx that was missed( if there was one ),
a NAPI reschdule was added after enabling the interrupts.
Signed-off-by: Elad Kanfi <eladkan@mellanox.com>
Acked-by: Noam Camus <noamca@mellanox.com>
Acked-by: Gilad Ben-Yossef <giladby@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Below is a description of a possible problematic
sequence. CPU-A is sending a frame and CPU-B handles
the interrupt that indicates the frame was sent. CPU-B
reads an invalid value of tx_packet_sent.
CPU-A CPU-B
----- -----
nps_enet_send_frame
.
.
tx_skb = skb
tx_packet_sent = true
order HW to start tx
.
.
HW complete tx
------> get tx complete interrupt
.
.
if(tx_packet_sent == true)
handle tx_skb
end memory transaction
(tx_packet_sent actually
written)
Furthermore there is a dependency between tx_skb and tx_packet_sent.
There is no assurance that tx_skb contains a valid pointer at CPU B
when it sees tx_packet_sent == true.
Solution:
Initialize tx_skb to NULL and use it to indicate that packet was sent,
in this way tx_packet_sent can be removed.
Add a write memory barrier after setting tx_skb in order to make sure
that it is valid before HW is informed and IRQ is fired.
Fixed sequence will be:
CPU-A CPU-B
----- -----
tx_skb = skb
wmb()
.
.
order HW to start tx
.
.
HW complete tx
------> get tx complete interrupt
.
.
if(tx_skb != NULL)
handle tx_skb
tx_skb = NULL
Signed-off-by: Elad Kanfi <eladkan@mellanox.com>
Acked-by: Noam Camus <noamca@mellanox.com>
Acked-by: Gilad Ben-Yossef <giladby@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Enumeration
Fix BUG on device attach failure (Lukas Wunner)
Do not treat EPROBE_DEFER as device attach failure (Lukas Wunner)
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Merge tag 'pci-v4.6-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
"Since v4.5, we've WARNed during resume if a PCI device, including a
Thunderbolt device, was added while we were suspended. A change we
merged for v4.6-rc1 turned that warning into a system hang. These
enumeration patches from Lukas Wunner fix this issue:
- Fix BUG on device attach failure
- Do not treat EPROBE_DEFER as device attach failure"
* tag 'pci-v4.6-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: Do not treat EPROBE_DEFER as device attach failure
PCI: Fix BUG on device attach failure
Pull x86 fixes from Ingo Molnar:
"Two topology corner case fixes, and a MAINTAINERS file update for
mmiotrace maintenance"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/topology: Set x86_max_cores to 1 for CONFIG_SMP=n
MAINTAINERS: Add mmiotrace entry
x86/topology: Handle CPUID bogosity gracefully
Pull scheduler fixes from Ingo Molnar:
"A UP kernel cpufreq fix and a rt/dl scheduler corner case fix"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/rt, sched/dl: Don't push if task's scheduling class was changed
sched/fair: Fix !CONFIG_SMP kernel cpufreq governor breakage
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Merge tag 'linux-can-next-for-4.7-20160509' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next
Marc Kleine-Budde says:
====================
pull-request: can-next 2016-05-09
this is a pull request of 12 patches for net-next/master.
Alexander Gerasiov and Nikita Edward Baruzdin each contribute a patch
improving the sja1000 driver. Amitoj Kaur Chawla's patch converts the
mcp251x driver to alloc_workqueue(). A patch by Oliver Hartkopp fixes
the handling of CAN config options. Andreas Gröger improves the error
handling in the janz-ican3 driver. The patch by Maximilian Schneider
for the gs_usb improves probing of the USB driver. Finally there are 6
improvement patches by Marek Vasut for the ifi CAN driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This is an initial implementation of a netdev driver for GTP datapath
(GTP-U) v0 and v1, according to the GSM TS 09.60 and 3GPP TS 29.060
standards. This tunneling protocol is used to prevent subscribers from
accessing mobile carrier core network infrastructure.
This implementation requires a GGSN userspace daemon that implements the
signaling protocol (GTP-C), such as OpenGGSN [1]. This userspace daemon
updates the PDP context database that represents active subscriber
sessions through a genetlink interface.
For more context on this tunneling protocol, you can check the slides
that were presented during the NetDev 1.1 [2].
Only IPv4 is supported at this time.
[1] http://git.osmocom.org/openggsn/
[2] http://www.netdevconf.org/1.1/proceedings/slides/schultz-welte-osmocom-gtp.pdf
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
"make defconfig kvmconfig" is supposed to end up with usable kernel for
KVM guest. In practice, it won't work for e.g. Hetzner VPS (KVM-based)
unless you add these options.
Signed-off-by: Andrey Utkin <andrey_utkin@fastmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
