This patch cleanups all port and VI related macros/register defines that are
defined in t4fw_api.h and the affected files.
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch cleanups all queue related macros/register defines that are defined
in t4fw_api.h and the affected files.
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch cleanups PF/VF and LDST related macros/register defines that are
defined in t4fw_api.h and the affected files.
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch cleanups all filter related macros/register defines that are defined
in t4fw_api.h and the affected files.
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The original FDB code submission wasn't correct and the code
wasn't enabled. This removes some dead code (can use the common kernel
code for fdb_del and fdb_dump) and correctly enables the fdb_add
function pointer.
The fdb_add functionality is important to i40e because it is needed
for a workaround to allow bridges to work correctly on the i40e
hardware.
Reported-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
Conflicts:
drivers/net/ieee802154/fakehard.c
A bug fix went into 'net' for ieee802154/fakehard.c, which is removed
in 'net-next'.
Add build fix into the merge from Stephen Rothwell in openvswitch, the
logging macros take a new initial 'log' argument, a new call was added
in 'net' so when we merge that in here we have to explicitly add the
new 'log' arg to it else the build fails.
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull networking fixes from David Miller:
1) Fix BUG when decrypting empty packets in mac80211, from Ronald Wahl.
2) nf_nat_range is not fully initialized and this is copied back to
userspace, from Daniel Borkmann.
3) Fix read past end of b uffer in netfilter ipset, also from Dan
Carpenter.
4) Signed integer overflow in ipv4 address mask creation helper
inet_make_mask(), from Vincent BENAYOUN.
5) VXLAN, be2net, mlx4_en, and qlcnic need ->ndo_gso_check() methods to
properly describe the device's capabilities, from Joe Stringer.
6) Fix memory leaks and checksum miscalculations in openvswitch, from
Pravin B SHelar and Jesse Gross.
7) FIB rules passes back ambiguous error code for unreachable routes,
making behavior confusing for userspace. Fix from Panu Matilainen.
8) ieee802154fake_probe() doesn't release resources properly on error,
from Alexey Khoroshilov.
9) Fix skb_over_panic in add_grhead(), from Daniel Borkmann.
10) Fix access of stale slave pointers in bonding code, from Nikolay
Aleksandrov.
11) Fix stack info leak in PPP pptp code, from Mathias Krause.
12) Cure locking bug in IPX stack, from Jiri Bohac.
13) Revert SKB fclone memory freeing optimization that is racey and can
allow accesses to freed up memory, from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (71 commits)
tcp: Restore RFC5961-compliant behavior for SYN packets
net: Revert "net: avoid one atomic operation in skb_clone()"
virtio-net: validate features during probe
cxgb4 : Fix DCB priority groups being returned in wrong order
ipx: fix locking regression in ipx_sendmsg and ipx_recvmsg
openvswitch: Don't validate IPv6 label masks.
pptp: fix stack info leak in pptp_getname()
brcmfmac: don't include linux/unaligned/access_ok.h
cxgb4i : Don't block unload/cxgb4 unload when remote closes TCP connection
ipv6: delete protocol and unregister rtnetlink when cleanup
net/mlx4_en: Add VXLAN ndo calls to the PF net device ops too
bonding: fix curr_active_slave/carrier with loadbalance arp monitoring
mac80211: minstrel_ht: fix a crash in rate sorting
vxlan: Inline vxlan_gso_check().
can: m_can: update to support CAN FD features
can: m_can: fix incorrect error messages
can: m_can: add missing delay after setting CCCR_INIT bit
can: m_can: fix not set can_dlc for remote frame
can: m_can: fix possible sleep in napi poll
can: m_can: add missing message RAM initialization
...
Pull drm fixes from Dave Airlie:
"Just two radeon and two intel fixes: endian and regression fixes"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/radeon: fix endian swapping in vbios fetch for tdp table
drm/radeon: disable native backlight control on pre-r6xx asics (v2)
drm/i915: Kick fbdev before vgacon
drm/i915: drop WaSetupGtModeTdRowDispatch:snb
This batch ended up as a relatively high volume due to pending
ASoC fixes. But most of fixes there are trivial and/or device-
specific fixes and quirks, so safe to apply. The only (ASoC)
core fixes are the DPCM race fix and the machine-driver matching
fix for componentization.
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Merge tag 'sound-3.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This batch ended up as a relatively high volume due to pending ASoC
fixes. But most of fixes there are trivial and/or device- specific
fixes and quirks, so safe to apply. The only (ASoC) core fixes are
the DPCM race fix and the machine-driver matching fix for
componentization"
* tag 'sound-3.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - fix the mic mute led problem for Latitude E5550
ALSA: hda - move DELL_WMI_MIC_MUTE_LED to the tail in the quirk chain
ASoC: wm_adsp: Avoid attempt to free buffers that might still be in use
ALSA: usb-audio: Set the Control Selector to SU_SELECTOR_CONTROL for UAC2
ALSA: usb-audio: Add ctrl message delay quirk for Marantz/Denon devices
ASoC: sgtl5000: Fix SMALL_POP bit definition
ASoC: cs42l51: re-hook of_match_table pointer
ASoC: rt5670: change dapm routes of PLL connection
ASoC: rt5670: correct the incorrect default values
ASoC: samsung: Add MODULE_DEVICE_TABLE for Snow
ASoC: max98090: Correct pclk divisor settings
ASoC: dpcm: Fix race between FE/BE updates and trigger
ASoC: Fix snd_soc_find_dai() matching component by name
ASoC: rsnd: remove unsupported PAUSE flag
ASoC: fsi: remove unsupported PAUSE flag
ASoC: rt5645: Mark RT5645_TDM_CTRL_3 as readable
ASoC: rockchip-i2s: fix infinite loop in rockchip_snd_rxctrl
ASoC: es8328-i2c: Fix i2c_device_id name field in es8328_id
ASoC: fsl_asrc: Add reg_defaults for regmap to fix kernel dump
This is just a one-liner fixing a regression introduced in 3.13 that
broke system suspend on some Chromebooks.
On those machines there are ACPI device objects for some I2C devices
that can wake up the system from sleep states, but that is done via
a platform-specific mechanism and the ACPI objects don't contain any
wakeup-related information. When we started to use ACPI power
management with those devices (which happened during the 3.13 cycle),
their configuration confused the ACPI PM layer that returned error
codes from suspend callbacks for them causing system suspend to fail.
However, the ACPI PM layer can safely ignore the wakeup setting from
a device driver if the ACPI object corresponding to the device in
question doesn't contain wakeup information in which case the driver
itself is responsible for setting up the device for system wakeup.
/
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Merge tag 'pm+acpi-3.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI power management fix from Rafael Wysocki:
"This is just a one-liner fixing a regression introduced in 3.13 that
broke system suspend on some Chromebooks.
On those machines there are ACPI device objects for some I2C devices
that can wake up the system from sleep states, but that is done via a
platform-specific mechanism and the ACPI objects don't contain any
wakeup-related information. When we started to use ACPI power
management with those devices (which happened during the 3.13 cycle),
their configuration confused the ACPI PM layer that returned error
codes from suspend callbacks for them causing system suspend to fail.
However, the ACPI PM layer can safely ignore the wakeup setting from a
device driver if the ACPI object corresponding to the device in
question doesn't contain wakeup information in which case the driver
itself is responsible for setting up the device for system wakeup"
* tag 'pm+acpi-3.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / PM: Ignore wakeup setting if the ACPI companion can't wake up
- 2 fixes for OF selftest code
- Fix for PowerPC address parsing to disable work-around except on old
PowerMACs
- Fix a crash when earlycon is enabled, but no device is found
- DT documentation fixes and missing vendor prefixes
All but the doc updates are also for stable.
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Merge tag 'devicetree-fixes-for-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
"DeviceTree fixes for 3.18:
- two fixes for OF selftest code
- fix for PowerPC address parsing to disable work-around except on
old PowerMACs
- fix a crash when earlycon is enabled, but no device is found
- DT documentation fixes and missing vendor prefixes
All but the doc updates are also for stable"
* tag 'devicetree-fixes-for-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
of/selftest: Fix testing when /aliases is missing
of/selftest: Fix off-by-one error in removal path
documentation: pinctrl bindings: Fix trivial typo 'abitrary'
devicetree: bindings: Add vendor prefix for Micron Technology, Inc.
of: Add vendor prefix for Chips&Media, Inc.
of/base: Fix PowerPC address parsing hack
devicetree: vendor-prefixes.txt: fix whitespace
of: Fix crash if an earlycon driver is not found
of/irq: Drop obsolete 'interrupts' vs 'interrupts-extended' text
of: Spelling s/stucture/structure/
devicetree: bindings: add sandisk to the vendor prefixes
Resource management
- Support 64-bit bridge windows if we have 64-bit dma_addr_t (Yinghai Lu)
PCI device hotplug
- Apply _HPX Link Control settings to all devices with a link (Yinghai Lu)
Generic host bridge driver
- Add DT binding for "linux,pci-domain" property (Lucas Stach)
APM X-Gene
- Assign resources to bus before adding new devices (Duc Dang)
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Merge tag 'pci-v3.18-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
"These are fixes for an issue with 64-bit PCI bus addresses on 32-bit
PAE kernels, an APM X-Gene problem (it depended on a generic change we
removed before merging), a fix for my hotplug device configuration
changes, and a devicetree documentation update.
Resource management:
- Support 64-bit bridge windows if we have 64-bit dma_addr_t (Yinghai Lu)
PCI device hotplug:
- Apply _HPX Link Control settings to all devices with a link (Yinghai Lu)
Generic host bridge driver:
- Add DT binding for "linux,pci-domain" property (Lucas Stach)
APM X-Gene:
- Assign resources to bus before adding new devices (Duc Dang)"
* tag 'pci-v3.18-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: Support 64-bit bridge windows if we have 64-bit dma_addr_t
PCI: Apply _HPX Link Control settings to all devices with a link
PCI: Add missing DT binding for "linux,pci-domain" property
PCI: xgene: Assign resources to bus before adding new devices
Pull SCSI target fixes from Nicholas Bellinger:
"Here are the target-pending fixes queued for v3.18-rc6.
The highlights include:
- target-core OOPs fix with tcm_qla2xxx + vxworks FC initiators +
zero length SCSI commands having a transfer direction set. (Roland
+ Craig Watson)
- vhost-scsi OOPs fix to explicitly prevent WWPN endpoint configfs
group removal while qemu still has an active reference. (Paolo +
nab)
- ib_srpt fix for RDMA hardware with lower srp_sq_size limits.
(Bart)
- two ib_isert work-arounds for running on ocrdma hardware (Or + Sagi
+ Chris)
- iscsi-target discovery portal typo + SPC-3 PR Preempt SA key
matching fix (Steve)"
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
IB/isert: Adjust CQ size to HW limits
target: return CONFLICT only when SA key unmatched
iser-target: Handle DEVICE_REMOVAL event on network portal listener correctly
ib_isert: Add max_send_sge=2 minimum for control PDU responses
srp-target: Retry when QP creation fails with ENOMEM
iscsi-target: return the correct port in SendTargets
vhost-scsi: Take configfs group dependency during VHOST_SCSI_SET_ENDPOINT
target: Don't call TFO->write_pending if data_length == 0
Pull dmaengine fixes from Vinod Koul:
"We have couple of fixes for dmaengine queued up:
- dma mempcy fix for dma configuration of sun6i by Maxime
- pl330 fixes: First the fixing allocation for data buffers by Liviu
and then Jon's fixe for fifo width and usage"
* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: Fix allocation size for PL330 data buffer depth.
dmaengine: pl330: Limit MFIFO usage for memcpy to avoid exhausting entries
dmaengine: pl330: Align DMA memcpy operations to MFIFO width
dmaengine: sun6i: Fix memcpy operation
Pull MIPS fixes from Ralf Baechle:
"More 3.18 fixes for MIPS:
- backtraces were not quite working on on 64-bit kernels
- loongson needs a different cache coherency setting
- Loongson 3 is a MIPS64 R2 version but due to erratum we treat is an
older architecture revision.
- fix build errors due to undefined references to __node_distances
for certain configurations.
- fix instruction decodig in the jump label code.
- for certain configurations copy_{from,to}_user destroy the content
of $3 so that register needs to be marked as clobbed by the calling
code.
- Hardware Table Walker fixes.
- fill the delay slot of the last instruction of memcpy otherwise
whatever ends up there randomly might have undesirable effects.
- ensure get_user/__get_user always zero the variable to be read even
in case of an error"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: jump_label.c: Handle the microMIPS J instruction encoding
MIPS: jump_label.c: Correct the span of the J instruction
MIPS: Zero variable read by get_user / __get_user in case of an error.
MIPS: lib: memcpy: Restore NOP on delay slot before returning to caller
MIPS: tlb-r4k: Add missing HTW stop/start sequences
MIPS: asm: uaccess: Add v1 register to clobber list on EVA
MIPS: oprofile: Fix backtrace on 64-bit kernel
MIPS: Loongson: Set Loongson-3's ISA level to MIPS64R1
MIPS: Loongson: Fix the write-combine CCA value setting
MIPS: IP27: Fix __node_distances undefined error
MIPS: Loongson3: Fix __node_distances undefined error
Pull powerpc fix from Michael Ellerman:
"One fix from Scott, he says:
This patch fixes a crash (introduced in v3.18-rc1) in the FSL MSI driver
when threaded IRQs are enabled"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux:
powerpc/fsl_msi: mark the msi cascade handler IRQF_NO_THREAD
Pull x86 fixes from Thomas Gleixner:
"Misc fixes:
- gold linker build fix
- noxsave command line parsing fix
- bugfix for NX setup
- microcode resume path bug fix
- _TIF_NOHZ versus TIF_NOHZ bugfix as discussed in the mysterious
lockup thread"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, syscall: Fix _TIF_NOHZ handling in syscall_trace_enter_phase1
x86, kaslr: Handle Gold linker for finding bss/brk
x86, mm: Set NX across entire PMD at boot
x86, microcode: Update BSPs microcode on resume
x86: Require exact match for 'noxsave' command line option
Pull scheduler fixes from Ingo Molnar:
"Misc fixes: two NUMA fixes, two cputime fixes and an RCU/lockdep fix"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/cputime: Fix clock_nanosleep()/clock_gettime() inconsistency
sched/cputime: Fix cpu_timer_sample_group() double accounting
sched/numa: Avoid selecting oneself as swap target
sched/numa: Fix out of bounds read in sched_init_numa()
sched: Remove lockdep check in sched_move_task()
Pull perf fixes from Ingo Molnar:
"Misc fixes: two Intel uncore driver fixes, a CPU-hotplug fix and a
build dependencies fix"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel/uncore: Fix boot crash on SBOX PMU on Haswell-EP
perf/x86/intel/uncore: Fix IRP uncore register offsets on Haswell EP
perf: Fix corruption of sibling list with hotplug
perf/x86: Fix embarrasing typo
Pull core fix from Ingo Molnar:
"Fix GENMASK macro shift overflow"
Nobody seems to currently use GENMASK() to fill every single last bit
(which is what overflows) in-tree, and gcc would warn about it, so we
have that going for us. But apparently there are pending changes that
want this.
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
bitops: Fix shift overflow in GENMASK macros
John W. Linville says:
====================
pull request: wireless-next 2014-11-21
Please pull this batch of updates intended for the 3.19 stream...
For the mac80211 bits, Johannes says:
"It has been a while since my last pull request, so we accumulated
another relatively large set of changes:
* TDLS off-channel support set from Arik/Liad, with some support
patches I did
* custom regulatory fixes from Arik
* minstrel VHT fix (and a small optimisation) from Felix
* add back radiotap vendor namespace support (myself)
* random MAC address scanning for cfg80211/mac80211/hwsim (myself)
* CSA improvements (Luca)
* WoWLAN Net Detect (wake on network found) support (Luca)
* and lots of other smaller changes from many people"
For the Bluetooth bits, Johan says:
"Here's another set of patches for 3.19. Most of it is again fixes and
cleanups to ieee802154 related code from Alexander Aring. We've also got
better handling of hardware error events along with a proper API for HCI
drivers to notify the HCI core of such situations. There's also a minor
fix for mgmt events as well as a sparse warning fix. The code for
sending HCI commands synchronously also gets a fix where we might loose
the completion event in the case of very fast HW (particularly easily
reproducible with an emulated HCI device)."
And...
"Here's another bluetooth-next pull request for 3.19. We've got:
- Various fixes, cleanups and improvements to ieee802154/mac802154
- Support for a Broadcom BCM20702A1 variant
- Lots of lockdep fixes
- Fixed handling of LE CoC errors that should trigger SMP"
For the Atheros bits, Kalle says:
"One ath6kl patch and rest for ath10k, but nothing really major which
stands out. Most notable:
o fix resume (Bartosz)
o firmware restart is now faster and more reliable (Michal)
o it's now possible to test hardware restart functionality without
crashing the firmware using hw-restart parameter with
simulate_fw_crash debugfs file (Michal)"
On top of that...both ath9k and mwifiex get their usual level of
updates. Of note is the ath9k spectral scan work from Oleksij Rempel.
I also pulled from the wireless tree in order to avoid some merge issues.
Please let me know if there are problems!
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Maciej W. Rozycki says:
====================
defxx: Assorted fixes, mainly for EISA
This is another small series fixing issues with the defxx driver,
mainly for EISA boards, but there's one patch for PCI as well.
In the end, with the inexistent second IDE channel forcefully disabled
in the IDE driver, I wasn't able to retrigger spurious IRQ 15 interrupts
I previously saw and suspected the DEFEA to be the cause. So it looks
to me these were real noise on IRQ 15 rather than the latency in
interrupt acknowledge in the DEFEA board causing the slave 8259A to
issue the spurious interrupt vector. In any case not an issue with the
defxx driver, so nothing to do here unless the problem resurfaces.
I haven't seen your announcement about opening net-next since the
closure on Oct 6th, but from the patch traffic and the policy described
in Documentation/networking/netdev-FAQ.txt I gather your tree is open.
And these are bug fixes anyway, not new features, so please apply.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Reserve DEFEA resources according to actual use. There are three
regions, for the ESIC ASIC's CSRs, for the discrete Burst Holdoff
register, and for the PDQ ASIC's CSRs. The latter is mapped in the
memory or port I/O address space depending on configuration. The two
formers are hardwired and always mapped in the port I/O address space.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make sure the option card does not respond after shutdown by disabling
it via ESIC's Expansion Board Control register. Also disable memory and
port I/O decoders, the latter in particular to disable slot-specific I/O
decoding that otherwise remains active even in the board is disabled.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use ESIC's memory area 1 (MEMCS1) and its Memory Address High Compare
and Memory Address Low Compare registers to set up the MMIO range for
decoding accesses to PDQ ASIC registers. Previously the PDQ ASIC was
thought to be addressable with the memory area 0 (MEMCS0) and its Memory
Address Compare and Memory Address Mask registers.
The MMIO range allocated for the option card is preset via ECU (EISA
Configuration Utility) and can be disabled, so handle such a case
gracefully too.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Correctly propagate the error code from `pci_enable_device' if non zero.
Currently a failure of this function is correctly recognized and device
initialization abandoned, however a successful completion code returned.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit a6111d3c "vlan: Pass SIOC[SG]HWTSTAMP ioctls to real device"
intended to enable hardware time stamping on VLAN interfaces, but
passing SIOCSHWTSTAMP is only half of the story. This patch adds
the second half, by letting user space find out the time stamping
capabilities of the device backing a VLAN interface.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit c3ae62af8e ("tcp: should drop incoming frames without ACK
flag set") was created to mitigate a security vulnerability in which a
local attacker is able to inject data into locally-opened sockets by
using TCP protocol statistics in procfs to quickly find the correct
sequence number.
This broke the RFC5961 requirement to send a challenge ACK in response
to spurious RST packets, which was subsequently fixed by commit
7b514a886b ("tcp: accept RST without ACK flag").
Unfortunately, the RFC5961 requirement that spurious SYN packets be
handled in a similar manner remains broken.
RFC5961 section 4 states that:
... the handling of the SYN in the synchronized state SHOULD be
performed as follows:
1) If the SYN bit is set, irrespective of the sequence number, TCP
MUST send an ACK (also referred to as challenge ACK) to the remote
peer:
<SEQ=SND.NXT><ACK=RCV.NXT><CTL=ACK>
After sending the acknowledgment, TCP MUST drop the unacceptable
segment and stop processing further.
By sending an ACK, the remote peer is challenged to confirm the loss
of the previous connection and the request to start a new connection.
A legitimate peer, after restart, would not have a TCB in the
synchronized state. Thus, when the ACK arrives, the peer should send
a RST segment back with the sequence number derived from the ACK
field that caused the RST.
This RST will confirm that the remote peer has indeed closed the
previous connection. Upon receipt of a valid RST, the local TCP
endpoint MUST terminate its connection. The local TCP endpoint
should then rely on SYN retransmission from the remote end to
re-establish the connection.
This patch lets SYN packets through the discard added in c3ae62af8e,
so that spurious SYN packets are properly dealt with as per the RFC.
The challenge ACK is sent unconditionally and is rate-limited, so the
original vulnerability is not reintroduced by this patch.
Signed-off-by: Calvin Owens <calvinowens@fb.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Not sure what I was thinking, but doing anything after
releasing a refcount is suicidal or/and embarrassing.
By the time we set skb->fclone to SKB_FCLONE_FREE, another cpu
could have released last reference and freed whole skb.
We potentially corrupt memory or trap if CONFIG_DEBUG_PAGEALLOC is set.
Reported-by: Chris Mason <clm@fb.com>
Fixes: ce1a4ea3f1 ("net: avoid one atomic operation in skb_clone()")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2014-11-20
This series contains updates to ixgbevf, i40e and i40evf.
Emil updates ixgbevf with much of the work that Alex Duyck did while at
Intel. First updates the driver to clear the status bits on allocation
instead of in the cleanup routine, this way we can leave the recieve
descriptor rings as a read only memory block until we actually have
buffers to give back to the hardware. Clean up ixgbevf_clean_rx_irq()
by creating ixgbevf_process_skb_field() to merge several similar
operations into this new function. Cleanup temporary variables within
the receive hot-path and reducing the scope of variables that do not
need to exist outside the main loop. Save on stack space by just
storing our updated values back in next_to_clean instead of using
a stack variable, which also collapses the size the function. Improve
performace on IOMMU enabled systems and reduce cache misses by changing
the basic receive patch for ixgbevf so that instead of receiving the
data into an skb, it is received into a double buffered page. Add
netpoll support by creating ixgbevf_netpoll(), which is a callback for
.ndo_poll_controller to allow for the VF interface to be used with
netconsole.
Mitch provides several cleanups and trivial fixes for i40e and i40evf.
First is a fix the overloading of the msg_size field in the
arq_event_info struct by splitting the field into two and renaming to
indicate the actual function of each field. Updates code comments
to match the actual function. Cleanup several checkpatch.pl warnings
by adding or removing blank lines, aligning function parameters, and
correcting over-long lines (which makes the code more readable).
Shannon provides a patch for i40e to write the extra bits that will
turn off the ITR wait for the interrupt, since we want the SW INT to
go off as soon as possible.
v2: updated patch 07 based on feedback from Alex Duyck by
- adding pfmemalloc check to a new function for reusable page
- moved atomic_inc outside of #if/else in ixgbevf_add_rx_frag()
- reverted the removal of the API check in ixgbevf_change_mtu()
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Tom Lendacky says:
====================
amd-xgbe: AMD XGBE driver updates 2014-11-20
The following series of patches includes functional updates to the
driver as well as some trivial changes.
- Add a read memory barrier in the Tx and Rx path after checking the
descriptor ownership bit
- Wait for the Tx engine to stop/suspend before issuing a stop command
- Implement a smatch tool suggestion to simplify an if statement
- Separate out Tx and Rx ring data fields into their own structures
- Add BQL support
- Remove an unused variable
- Change Tx coalescing support to operate on packet basis instead of
a descriptor basis
- Add support for the skb->xmit_more flag
This patch series is based on net-next.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support to delay telling the hardware about data that is ready to
be transmitted if the skb->xmit_more flag is set.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The current form of Tx coalescing works on a descriptor basis instead
of on a packet basis and doesn't take into account TSO packets. Update
the Tx coalescing support to work on a packet basis, taking into
account the number of packets associated with a TSO transmit. Also,
only activate the Tx timer if a timer value is set.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The tso_header variable in the xgbe_tx_ring_data structure is not used,
remove it.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Call the appropriate BQL functions to track the number of bytes queued
during Tx processing and to track the number of packets and bytes
that have been transmitted during Tx complete processing.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Move the Tx and Rx related fields within the xgbe_ring_data struct into
their own structs in order to more easily see what fields are used for
each operation.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The Smatch tool indicated that one of the if statements in xgbe-dev.c
could be rewritten to remove a redundant check for the 'err' variable
in an if statement.
Change the statement as suggested and add a comment to help clarify.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If the Tx engine is told to stop while it is actively processing Tx
descriptors it is possible that the Tx descriptor(s) will not be closed
out properly. When the Tx engine is restarted this could result in the
driver being stuck on the improperly closed descriptor.
Update the driver to wait for the Tx engine to be in a stopped or
suspended state before issuing the stop command.
This has not been an issue to date, but it's a good safe-guard to have.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a read memory barrier to the Tx and Rx paths where the ownership
bit is checked to be sure that all descriptor fields are read after
having read the ownership bit for the descriptor.
This has not been an issue to date, but it's a good safe-guard to have.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The kfree() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
The functions kfree() and of_node_put() test whether their argument is NULL
and then return immediately. Thus the test around the call is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Reviewed-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The of_dev_put() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix ethtool set settings to not check AUTONEG_ENABLE
mlx4_en_set_settings should not check if cmd->autoneg == AUTONEG_ENABLE,
cmd->autoneg can be enabled by default and this check will fail other settings requests.
mlx4_en driver doesn't support changing autoneg value, but shouldn't fail the request
in case cmd->autoneg was set.
Fixes: d48b3ab ("net/mlx4_en: Use PTYS register to set ethtool settings (Speed)")
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Added a pci_dma_mapping_error() call to check for mapping errors before
further using the dma handle. In case of error, control goes to a new label
where the incoming skb is freed. Unchecked dma handles were found using
Coccinelle:
@rule1@
expression e1;
identifier x;
@@
*x = pci_map_single(...);
... when != pci_dma_mapping_error(e1,x)
Signed-off-by: Tina Johnson <tinajohnson.1234@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Richard Alpe says:
====================
tipc: new netlink API
v3
The old API is not removed.
The new API is separated from the old because of a bug in the old
tipc-config utility using it. When adding commands to the existing
genl_ops struct the get-family response message grows to a point where
it overflows the small receive buffer in tipc-config, subsequently
breaking the tool. Hence the two genl_family and genl_ops structs.
The new headers are placed in a new file called tipc_netlink.h rather
than added to tipc_config.h as they where in previous versions of this
patchset.
/v3
v2
Redesigned "socket list command" to address David Millers comments in
net-next v1 of this patchset.
Simply put the problem is that we can have an arbitrary amount of
sockets with an arbitrary amount of associated publications. In the
previous patchset this was solved by nesting as many publications as
possible into a socket. If all didn't fit it sent the same socket again
with the remaining publications. As David Miller pointed out this makes
each message malformed as the receiver cannot by the data itself know if
it has received a complete set or not. This was flagged outside of the
data and the client did the reassembly.
o socket 1
o publ 1
o publ 2
o socket 1
o publ 3
o publ 4
In this patchset this is divided into socket listing and publication
listing to avoid having nested data of arbitrary size.
TIPC_NL_SOCK_GET now dumps all sockets with any nested connection
information. However, it no longer include publication information,
only a HAS_PUBL flag to indicate whether the socket has publications or
not. To compliment this there is a new command TIPC_NL_PUBL_GET which
takes a socket as argument and dumps all associated publications.
This means that on "top-level" the data is always complete. In the case
of "tipc socket list" (new tipc-config -p) it first queries all sockets
with TIPC_NL_SOCK_GET and if the socket is published it fetches the
publications using TIPC_NL_PUBL_GET. This is slow for large amount of
sockets with a low publication count (worst case). However, the
integrity is preserved and there is no malformed messages.
/v2
This is a new netlink API for TIPC. It's intended to replace the
existing ASCII API. It utilizes many of the standard netlink
functionalities in the kernel, such as attribute nesting and
input polices.
There are a couple of reasons for this rewrite. The main and most
easily justifiable is that the existing API doesn't scale. Meaning
that a TIPC cluster with a larger amount of nodes, publications or
ports will rapidly exceed what the exiting API can handle. Resulting
in truncated or corrupt responses. In addition to this, the existing
ASCII API rarely uses "standard" kernel functions and has several
tipc specific functions for sanity checking and string formating.
The new API utilizes standard function for pushing data to socket
buffers and netlink attribute nesting to logically group data.
The new API can handle an arbitrary amount of data for things that
are likely to scale up as the TIPC usage and/or cluster size
increases.
A new user-space tool has been developed to work with this new API.
It is called "tipc" and is part of the "tipc-utils" package that
comes with many Linux distributions. The new "tipc" tool utilizes
standard functions from libnl to format, send, receive and process
messages. The tool has borrowed design philosophies from git and the
ip tool. Making the syntax resemble that of ip whiles its strong
modularity resembles that of git.
The existing tool for managing TIPC, "tipc-config" remains in the
package, but when built for kernels that has this new API it is
replaced by a script-based wrapper that maps the old syntax to the
new tool. This way, backwards compatibility is mostly preserved.
MORE ABOUT THE CODE
The main challenge here is to handle the case where the data is of
arbitrary size. This was largely neglected in the old API design.
For example when there is a lot of sockets that has a large amount of
associated publications. In this specific case we can't assume that
all ports nor for that matter all the publications can fit inside a
single netlink message. Sending everything in one batch isn't an
option as we need to yield for the socket layer to cope.
This is solved by using the standard netlink callback for dumping
data and releasing the locks when the netlink message is full. The
dumping mechanism gets us back and we keep a reference (logical) to
where we where when the message became full. This means that we are
not "atomic", what is retrieved by user-space isn't a snapshot at a
certain time but rather a continuously updated data set. In the case
where we can't find our way back i.e. our logical reference are gone
we set a standard flag (NLM_F_DUMP_INTR) to tell user-space that the
dump was interrupted.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add TIPC_NL_NAME_TABLE_GET command to the new tipc netlink API.
This command supports dumping the name table of all nodes.
Netlink logical layout of name table response message:
-> name table
-> publication
-> type
-> lower
-> upper
-> scope
-> node
-> ref
-> key
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add TIPC_NL_NET_SET command to the new tipc netlink API.
This command can set the network id and network (tipc) address.
Netlink logical layout of network set message:
-> net
[ -> id ]
[ -> address ]
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add TIPC_NL_NET_GET command to the new tipc netlink API.
This command dumps the network id of the node.
Netlink logical layout of returned network data:
-> net
-> id
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add TIPC_NL_NODE_GET to the new tipc netlink API.
This command can dump the address and node status of all nodes in the
tipc cluster.
Netlink logical layout of returned node/address data:
-> node
-> address
-> up flag
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add TIPC_NL_MEDIA_SET command to the new tipc netlink API.
This command can set one or more link properties for a particular
media.
Netlink logical layout of bearer set message:
-> media
-> name
-> link properties
[ -> tolerance ]
[ -> priority ]
[ -> window ]
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Hariprasad Shenai