EXTRA_CFLAGS should be used on the command line only.
Since EXTRA_CFLAGS here add only a non-existant path to compiler
include paths (by -I), remove EXTRA_CFLAGS completely.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
Before this patch the user-specified bridge port was ignored when
deleting an fdb entry and thus one could delete an entry that belonged
to any port.
Example (eth0 and eth1 are br0 ports):
bridge fdb add 00:11:22:33:44:55 dev eth0 master
bridge fdb del 00:11:22:33:44:55 dev eth1 master
(succeeds)
after the patch:
bridge fdb add 00:11:22:33:44:55 dev eth0 master
bridge fdb del 00:11:22:33:44:55 dev eth1 master
RTNETLINK answers: No such file or directory
Based on a patch by Wilson Kok.
Reported-by: Wilson Kok <wkok@cumulusnetworks.com>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'linux-can-next-for-4.2-20150609' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next
Marc Kleine-Budde says:
====================
pull-request: can-next 2015-05-06
this is a pull request of a two patches for net-next.
The first patch is by Tomas Krcka, he fixes the (currently unused)
register address for acceptance filters. Oliver Hartkopp contributes a
patch for the cangw, where an optional UID is added to reference
routing jobs.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
- use common Jenkins hash instead of private implementation
- extend internal routing API
- properly re-arrange header files inclusion
- clarify precedence between '&' and '?'
- remove unused ethhdr variable in batadv_gw_dhcp_recipient_get()
- ensure per-VLAN structs are updated upon MAC change
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Merge tag 'batman-adv-for-davem' of git://git.open-mesh.org/linux-merge
Antonio Quartulli says:
====================
Included changes:
- use common Jenkins hash instead of private implementation
- extend internal routing API
- properly re-arrange header files inclusion
- clarify precedence between '&' and '?'
- remove unused ethhdr variable in batadv_gw_dhcp_recipient_get()
- ensure per-VLAN structs are updated upon MAC change
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
bpf_tail_call() arguments:
- ctx......: Context pointer
- jmp_table: One of BPF_MAP_TYPE_PROG_ARRAY maps used as the jump table
- index....: Index in the jump table
In this implementation s390x JIT does stack unwinding and jumps into the
callee program prologue. Caller and callee use the same stack.
With this patch a tail call generates the following code on s390x:
if (index >= array->map.max_entries)
goto out
000003ff8001c7e4: e31030100016 llgf %r1,16(%r3)
000003ff8001c7ea: ec41001fa065 clgrj %r4,%r1,10,3ff8001c828
if (tail_call_cnt++ > MAX_TAIL_CALL_CNT)
goto out;
000003ff8001c7f0: a7080001 lhi %r0,1
000003ff8001c7f4: eb10f25000fa laal %r1,%r0,592(%r15)
000003ff8001c7fa: ec120017207f clij %r1,32,2,3ff8001c828
prog = array->prog[index];
if (prog == NULL)
goto out;
000003ff8001c800: eb140003000d sllg %r1,%r4,3
000003ff8001c806: e31310800004 lg %r1,128(%r3,%r1)
000003ff8001c80c: ec18000e007d clgij %r1,0,8,3ff8001c828
Restore registers before calling function
000003ff8001c812: eb68f2980004 lmg %r6,%r8,664(%r15)
000003ff8001c818: ebbff2c00004 lmg %r11,%r15,704(%r15)
goto *(prog->bpf_func + tail_call_start);
000003ff8001c81e: e31100200004 lg %r1,32(%r1,%r0)
000003ff8001c824: 47f01006 bc 15,6(%r1)
Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Similar to referencing iptables rules by their line number this UID allows to
reference created routing jobs, e.g. to alter configured data modifications.
The UID is an optional non-zero value which can be provided at routing job
creation time. When the UID is set the UID replaces the data modification
configuration as job identification attribute e.g. at job removal time.
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This patch corrects addresses of acceptance filters. These registers are not in
use, but values should be correct. Tested with MCP2515 and am3352 and also
checked datasheets for MCP2515 and MCP2510.
Signed-off-by: Tomas Krcka <tomas.krcka@nkgroup.cz>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Pull networking fixes from David Miller:
1) Fix stack allocation in s390 BPF JIT, from Michael Holzheu.
2) Disable LRO on openvswitch paths, from Jiri Benc.
3) UDP early demux doesn't handle multicast group membership properly,
fix from Shawn Bohrer.
4) Fix TX queue hang due to incorrect handling of mixed sized fragments
and linearlization in i40e driver, from Anjali Singhai Jain.
5) Cannot use disable_irq() in timer handler of AMD xgbe driver, from
Thomas Lendacky.
6) b2net driver improperly assumes pci_alloc_consistent() gives zero'd
out memory, use dma_zalloc_coherent(). From Sriharsha Basavapatna.
7) Fix use-after-free in MPLS and ipv6, from Robert Shearman.
8) Missing neif_napi_del() calls in cleanup paths of b44 driver, from
Hauke Mehrtens.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
net: replace last open coded skb_orphan_frags with function call
net: bcmgenet: power on MII block for all MII modes
ipv6: Fix protocol resubmission
ipv6: fix possible use after free of dev stats
b44: call netif_napi_del()
bridge: disable softirqs around br_fdb_update to avoid lockup
Revert "bridge: use _bh spinlock variant for br_fdb_update to avoid lockup"
mpls: fix possible use after free of device
be2net: Replace dma/pci_alloc_coherent() calls with dma_zalloc_coherent()
bridge: use _bh spinlock variant for br_fdb_update to avoid lockup
amd-xgbe: Use disable_irq_nosync from within timer function
rhashtable: add missing import <linux/export.h>
i40e: Make sure to be in VEB mode if SRIOV is enabled at probe
i40e: start up in VEPA mode by default
i40e/i40evf: Fix mixed size frags and linearization
ipv4/udp: Verify multicast group is ours in upd_v4_early_demux()
openvswitch: disable LRO
s390/bpf: fix bpf frame pointer setup
s390/bpf: fix stack allocation
This fixes a minor issue affecting multiqueue virtio net
when user keeps changing the number of active queues
and CPUs are added and removed by hotplug.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull last-minute virtio fix from Michael Tsirkin:
"This fixes a minor issue affecting multiqueue virtio net when user
keeps changing the number of active queues and CPUs are added and
removed by hotplug"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio_pci: Clear stale cpumask when setting irq affinity
Fix the device tree entries to modify the '_' to '-'.
Also changes the names of the internal delay properties
from -int- to -internal- as the -int- appeared as a keyword.
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
API compliance scanning with coccinelle flagged:
./drivers/atm/iphase.c:2621:4-20:
WARNING: timeout (50) seems HZ dependent
Numeric constants passed to schedule_timeout() make the effective
timeout HZ dependent which does not seem intended.
Fixed up by converting the constant to jiffies with msecs_to_jiffies()
As this driver was introduced in the early 2.3 series it is most
likely assuming HZ=100 so the constant 50 is converted to 500ms.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
About 10 days worth of small bug fixes, and the (hopefully) final
round fixes for from arm-soc land for the -rc cycle. Nothing special
to note, but here's a brief summary of fixes by SoC type:
- OMAP: small set of misc. DT fixes; boot fix for THUMB2 kernel
- mediatek: PMIC fixes; DT fix for model name
- exynos: wakeup interupt fixes for 3250
- mvebu: revert mbus patch which broke DMA masters
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Kevin Hilman:
"About 10 days worth of small bug fixes, and the (hopefully) final
round fixes for from arm-soc land for the -rc cycle. Nothing special
to note, but here's a brief summary of fixes by SoC type:
- OMAP:
small set of misc DT fixes; boot fix for THUMB2 kernel
- mediatek:
PMIC fixes; DT fix for model name
- exynos:
wakeup interupt fixes for 3250
- mvebu:
revert mbus patch which broke DMA masters
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: dts: am335x-boneblack: disable RTC-only sleep to avoid hardware damage
ARM: dts: AM35xx: fix system control module clocks
arm64: dts: mt8173-evb: fix model name
ARM: exynos: Fix wake-up interrupts for Exynos3250
ARM: dts: Fix n900 dts file to work around 4.1 touchscreen regression on n900
ARM: dts: Fix dm816x to use right compatible flag for MUSB
ARM: OMAP3: Fix booting with thumb2 kernel
Revert "bus: mvebu-mbus: make sure SDRAM CS for DMA don't overlap the MBus bridge window"
bus: mvebu-mbus: do not set WIN_CTRL_SYNCBARRIER on non io-coherent platforms.
ARM: mvebu: armada-xp-linksys-mamba: Disable internal RTC
soc: mediatek: Add compile dependency to pmic-wrapper
soc: mediatek: PMIC wrap: Fix register state machine handling
soc: mediatek: PMIC wrap: Fix clock rate handling
Update the AFE_TX_CONFIG value to solve marginal rise/fall issues
observed when the link is operating in 100BaseT. This workaround applies
to GPHY revisions D0, E0 and newer.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 70008aa50e ("skbuff: convert to skb_orphan_frags") replaced
open coded tests of SKBTX_DEV_ZEROCOPY and skb_copy_ubufs with calls
to helper function skb_orphan_frags. Apply that to the last remaining
open coded site.
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The RGMII block is currently only powered on when using RGMII or
RGMII_NO_ID, which is not correct when using the GENET interface in MII
or Reverse MII modes. We always need to power on the RGMII interface for
this block to properly work, regardless of the MII mode in which we
operate.
Fixes: aa09677cba ("net: bcmgenet: add MDIO routines")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
UDP encapsulation is broken on IPv6. This is because the logic to resubmit
the nexthdr is inverted, checking for a ret value > 0 instead of < 0. Also,
the resubmit label is in the wrong position since we already get the
nexthdr value when performing decapsulation. In addition the skb pull is no
longer necessary either.
This changes the return value check to look for < 0, using it for the
nexthdr on the next iteration, and moves the resubmit label to the proper
location.
With these changes the v6 code now matches what we do in the v4 ip input
code wrt resubmitting when decapsulating.
Signed-off-by: Josh Hunt <johunt@akamai.com>
Acked-by: "Tom Herbert" <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The memory pointed to by idev->stats.icmpv6msgdev,
idev->stats.icmpv6dev and idev->stats.ipv6 can each be used in an RCU
read context without taking a reference on idev. For example, through
IP6_*_STATS_* calls in ip6_rcv. These memory blocks are freed without
waiting for an RCU grace period to elapse. This could lead to the
memory being written to after it has been freed.
Fix this by using call_rcu to free the memory used for stats, as well
as idev after an RCU grace period has elapsed.
Signed-off-by: Robert Shearman <rshearma@brocade.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
breakage on BeagleBones:
- BeagleBones don't support RTC-only mode, it can cause hardware
damage if system-power-controller is specified without
ti,pmic-shutdown-controller
- Fix a recent regression to am3517 SoCs caused by the recent clock
move that was not noticed until now despite automated boot
testing
- Fix a regression for n900 touchscreen triggered by recent
recent input changes
- Fix compatible property for dm816x USB to avoid errors with
USB Ethernet
- Fix oops for omap3 when built with CONFIG_THUMB2_KERNEL
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Merge tag 'omap-for-v4.1/fixes-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Merge omap fixes for v4.1, urgent fix to avoid potential hardware damage From Tony Lindgren:
Omap fixes for the -rc cycle, including a fix for potential hardware
breakage on BeagleBones:
- BeagleBones don't support RTC-only mode, it can cause hardware
damage if system-power-controller is specified without
ti,pmic-shutdown-controller
- Fix a recent regression to am3517 SoCs caused by the recent clock
move that was not noticed until now despite automated boot
testing
- Fix a regression for n900 touchscreen triggered by recent
recent input changes
- Fix compatible property for dm816x USB to avoid errors with
USB Ethernet
- Fix oops for omap3 when built with CONFIG_THUMB2_KERNEL
* tag 'omap-for-v4.1/fixes-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: am335x-boneblack: disable RTC-only sleep to avoid hardware damage
ARM: dts: AM35xx: fix system control module clocks
ARM: dts: Fix n900 dts file to work around 4.1 touchscreen regression on n900
ARM: dts: Fix dm816x to use right compatible flag for MUSB
ARM: OMAP3: Fix booting with thumb2 kernel
Pull Intel IOMMU fix from David Woodhouse:
"This fixes an oops when attempting to enable 1:1 passthrough mode for
devices on which VT-d translation was disabled anyway.
It's actually a long-standing bug but recent changes (commit
18436afdc1: "iommu/vt-d: Allow RMRR on graphics devices too") have
made it much easier to trigger with 'iommu=pt intel_iommu=igfx_off' on
the command line"
* git://git.infradead.org/intel-iommu:
iommu/vt-d: Fix passthrough mode with translation-disabled devices
Pull libata fixes from Tejun Heo:
"Two driver fixes. One is for an ahci_mvebu controller config bug and
the other fixes pata_octeon_cf build issue"
* 'for-4.1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
pata_octeon_cf: fix broken build
ata: ahci_mvebu: Fix wrongly set base address for the MBus window setting
MODULE_DEVICE_TABLE is referring to wrong driver's table and breaks the
build. Fix that.
Cc: stable@vger.kernel.org
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Jaeden Amero says:
====================
net/phy: micrel: Center FLP timing at 16ms
In v2, we add an additional cleanup commit to make an array of strings
static const and to improve const correctness generally. We also no longer
unnecessarily initialize the result variable in
ksz9031_center_flp_timing().
In v3, we remove the unnecessary result variable from ksz9031_config_init()
introduced by a previous version of "net/phy: micrel: Center FLP timing at
16ms".
In v4, we modify the commit message of "net/phy: micrel: Center FLP timing
at 16ms" to replace the awkward quotation of the data sheet's programming
procedure with an explanation of why we program the FLP burst registers and
restart auto-negotiation where we do (config_init).
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Link failures have been observed when using the KSZ9031 with HP 1810-8G
and HP 1910-8G network switches. Center the FLP timing at 16ms to help
avoid intermittent link failures.
>From the KSZ9031RNX and KSZ9031MNX data sheets revision 2.2, section
"Auto-Negotiation Timing":
The KSZ9031[RNX or MNX] Fast Link Pulse (FLP) burst-to-burst
transmit timing for Auto-Negotiation defaults to 8ms. IEEE 802.3
Standard specifies this timing to be 16ms +/-8ms. Some PHY link
partners need to receive the FLP with 16ms centered timing;
otherwise, there can be intermittent link failures and long
link-up times.
The PHY data sheet recommends configuring the FLP burst registers after
power-up/reset and immediately thereafter restarting auto-negotiation, so
we center the FLP timing at 16ms and then restart auto-negotiation in the
config_init for KSZ9031.
Signed-off-by: Jaeden Amero <jaeden.amero@ni.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There are some defines for a few pad skew related extended registers.
Specify for which MMD Address (dev_addr) they are for.
Signed-off-by: Jaeden Amero <jaeden.amero@ni.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In a few places in this driver, we weren't using const where we could
have. Use const more.
In addition, change the arrays of strings in ksz9031_config_init() to be
not only const, but also static.
Signed-off-by: Jaeden Amero <jaeden.amero@ni.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As Alexander Duyck pointed out that:
struct tnode {
...
struct key_vector kv[1];
}
The kv[1] member of struct tnode is an arry that refernced by
a null pointer will not crash the system, like this:
struct tnode *p = NULL;
struct key_vector *kv = p->kv;
As such p->kv doesn't actually dereference anything, it is simply a
means for getting the offset to the array from the pointer p.
This patch make the code more regular to avoid making people feel
odd when they look at the code.
Signed-off-by: Firo Yang <firogm@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
API compliance scanning with coccinelle flagged:
./drivers/net/wan/dscc4.c:1036:1-33:
WARNING: timeout (10) seems HZ dependent
./drivers/net/wan/dscc4.c:554:2-34:
WARNING: timeout (10) seems HZ dependent
./drivers/net/wan/dscc4.c:599:2-34:
WARNING: timeout (10) seems HZ dependent
Numeric constants passed to schedule_timeout_*() make the effective
timeout HZ dependent which does not seem to be the intent here.
Fixed up by converting the constant to jiffies with msecs_to_jiffies(),
passing 100ms (assuming HZ==100 in the original code).
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
API compliance scanning with coccinelle flagged:
./drivers/net/wan/cosa.c:520:2-18: WARNING:
timeout (30) seems HZ dependent
Numeric constants passed to schedule_timeout() make the effective
timeout HZ dependent which makes little sense in a device probe.
Fixed up by converting the constant to jiffies with msecs_to_jiffies()
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix static checker warnings in the flow of system guid query.
Fixes: 707c4602cd ('net/mlx5_core: Add new query HCA vport commands')
Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the driver gets unregistered a call to netif_napi_del() was
missing, this all was also missing in the error paths of
b44_init_one().
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
br_fdb_update() can be called in process context in the following way:
br_fdb_add() -> __br_fdb_add() -> br_fdb_update() (if NTF_USE flag is set)
so we need to disable softirqs because there are softirq users of the
hash_lock. One easy way to reproduce this is to modify the bridge utility
to set NTF_USE, enable stp and then set maxageing to a low value so
br_fdb_cleanup() is called frequently and then just add new entries in
a loop. This happens because br_fdb_cleanup() is called from timer/softirq
context. The spin locks in br_fdb_update were _bh before commit f8ae737dee
("[BRIDGE]: forwarding remove unneeded preempt and bh diasables")
and at the time that commit was correct because br_fdb_update() couldn't be
called from process context, but that changed after commit:
292d139898 ("bridge: add NTF_USE support")
Using local_bh_disable/enable around br_fdb_update() allows us to keep
using the spin_lock/unlock in br_fdb_update for the fast-path.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Fixes: 292d139898 ("bridge: add NTF_USE support")
Signed-off-by: David S. Miller <davem@davemloft.net>
In big endian cases, macro cpu_to_le16 unfolds to __swab16 which
provides special case for constants. In little endian cases,
__constant_cpu_to_le16 and cpu_to_le16 expand directly to the
same expression. So, replace __constant_cpu_to_le16 with
cpu_to_le16 with the goal of getting rid of the definition of
__constant_cpu_to_le16 completely.
The semantic patch that performs this transformation is as follows:
@@expression x;@@
- __constant_cpu_to_le16(x)
+ cpu_to_le16(x)
Signed-off-by: Vaishali Thakkar <vthakkar1994@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The mpls device is used in an RCU read context without a lock being
held. As the memory is freed without waiting for the RCU grace period
to elapse, the freed memory could still be in use.
Address this by using kfree_rcu to free the memory for the mpls device
after the RCU grace period has elapsed.
Fixes: 03c57747a7 ("mpls: Per-device MPLS state")
Signed-off-by: Robert Shearman <rshearma@brocade.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
use time_is_before_eq_jiffies macro for time comparison
Signed-off-by: Antonio Murdaca <antonio.murdaca@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull MIPS updates from Ralf Baechle:
"Eight fixes across arch/mips. Nothing stands particuarly out nor is
complicated but fixes keep coming in at a higher than comfortable
rate"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: KVM: Do not sign extend on unsigned MMIO load
MIPS: BPF: Fix stack pointer allocation
MIPS: Loongson-3: Fix a cpu-hotplug issue in loongson3_ipi_interrupt()
MIPS: Fix enabling of DEBUG_STACKOVERFLOW
MIPS: c-r4k: Fix typo in probe_scache()
MIPS: Avoid an FPE exception in FCSR mask probing
MIPS: ath79: Add a missing new line in log message
MIPS: ralink: Fix clearing the illegal access interrupt
There are several places in the driver (all in control paths) where
coherent dma memory is being allocated using either dma_alloc_coherent()
or the deprecated pci_alloc_consistent(). All these calls should be
changed to use dma_zalloc_coherent() to avoid uninitialized fields in
data structures backed by this memory.
Reported-by: Joerg Roedel <jroedel@suse.de>
Tested-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@avagotech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The current driver adjust freq formula is:
fe * diff = ppb * pc
Note:
fe: ENET ref clock frequency in Hz
diff = inc_corr - inc: difference between default increment and correction increment
ppb: parts per billion adjustment from base
pc: correction period (in number of fe clock cycles)
The correction increment will be used after N cycles of regular increments,
not every N cycles (with N being the correction period). For example, set ENET_ATCOR=4,
INC=8, INC_CORR=9, there will be 4 increments of 8 (ENET_ATINC[INC]) , followed by 1
increment of 9 (ENET_ATINC[INC_CORR]).
So, the correct formula is:
fe * diff = ppb * (pc + 1)
For ENET_ATCOR, a value 0 disables the correction counter and no corrections occur.
So base on the origin formula, set pc = pc > 1 ? pc - 1 : pc.
Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
br_fdb_update() can be called in process context in the following way:
br_fdb_add() -> __br_fdb_add() -> br_fdb_update() (if NTF_USE flag is set)
so we need to use spin_lock_bh because there are softirq users of the
hash_lock. One easy way to reproduce this is to modify the bridge utility
to set NTF_USE, enable stp and then set maxageing to a low value so
br_fdb_cleanup() is called frequently and then just add new entries in
a loop. This happens because br_fdb_cleanup() is called from timer/softirq
context. These locks were _bh before commit f8ae737dee
("[BRIDGE]: forwarding remove unneeded preempt and bh diasables")
and at the time that commit was correct because br_fdb_update() couldn't be
called from process context, but that changed after commit:
292d139898 ("bridge: add NTF_USE support")
Signed-off-by: Wilson Kok <wkok@cumulusnetworks.com>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Fixes: 292d139898 ("bridge: add NTF_USE support")
Signed-off-by: David S. Miller <davem@davemloft.net>
Remove sparse warnings:
drivers/net/ethernet/xilinx/ll_temac_main.c:65:16: warning: cast removes
address space of expression
drivers/net/ethernet/xilinx/ll_temac_main.c:70:9: warning: cast removes
address space of expression
drivers/net/ethernet/xilinx/ll_temac_main.c:127:16: warning: cast
removes address space of expression
drivers/net/ethernet/xilinx/ll_temac_main.c:137:9: warning: cast removes
address space of expression
drivers/net/ethernet/xilinx/ll_temac_main.c:409:3: warning: symbol
'temac_options' was not declared. Should it be static?
drivers/net/ethernet/xilinx/ll_temac_main.c:590:6: warning: symbol
'temac_adjust_link' was not declared. Should it be static?
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
IPv4 and IPv6 share same implementation of get_cookie_sock(),
and there is no point inlining it.
We add tcp_ prefix to the common helper name and export it.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Dump useful ring statistics along with interrupt status, software
maintained pointers and hardware registers to help troubleshoot TX queue
stalls.
When a timeout occurs, disable TX NAPI for the rings, dump their states
while interrupts are disabled, re-enable interrupts, NAPI and queue flow
control to help with the recovery.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ethtool -S on a DSA interface can deadlock for some switches because
the same lock is taken twice. Use the register read function which
expects the lock to be already held.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Fixes: 31888234b7 ("net: dsa: mv88e6xxx: Replace stats mutex with SMI mutex")
Signed-off-by: David S. Miller <davem@davemloft.net>
The MAC address of the soft-interface is used to initialise
the "non-purge" TT entry of each existing VLAN. Therefore
when the user invokes ndo_set_mac_address() all the
"non-purge" TT entries have to be updated, not only the one
belonging to the non-tagged network.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
