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By default the driver allowed incorrect frames to be received. What is
worse the code does not handle very short frames correctly. The FCS
length is unconditionally subtracted, and the underflow can cause
skb_put to be called with large number after implicit cast to unsigned.
And indeed, an skb_over_panic() was observed with via-velocity.
This removes the module parameter as it does not work in it's
current state, and should be implemented via NETIF_F_RXALL if needed.
Suggested-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Because eth_type_trans() consumes ethernet header worth of bytes, a call
to read TCI from end of packet using rhine_rx_vlan_tag() no longer works
as it's reading from an invalid offset.
Tested to be working on PCEngines Alix board.
Fixes: 810f19bcb862 ("via-rhine: add consistent memory barrier in vlan receive code.")
Signed-off-by: Andrej Ota <andrej@ota.si>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The builds of allmodconfig of avr32 is failing with:
drivers/net/ethernet/via/via-rhine.c:1098:2: error: implicit declaration
of function 'pci_iomap' [-Werror=implicit-function-declaration]
drivers/net/ethernet/via/via-rhine.c:1119:2: error: implicit declaration
of function 'pci_iounmap' [-Werror=implicit-function-declaration]
The generic empty pci_iomap and pci_iounmap is used only if CONFIG_PCI
is not defined and CONFIG_GENERIC_PCI_IOMAP is defined.
Add GENERIC_PCI_IOMAP in the dependency list for VIA_RHINE as we are
getting build failure when CONFIG_PCI and CONFIG_GENERIC_PCI_IOMAP both
are not defined.
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If NO_DMA=y:
ERROR: "dma_sync_single_for_cpu" [drivers/net/ethernet/via/via-rhine.ko] undefined!
ERROR: "dma_set_mask" [drivers/net/ethernet/via/via-rhine.ko] undefined!
ERROR: "dma_mapping_error" [drivers/net/ethernet/via/via-rhine.ko] undefined!
ERROR: "dma_map_single" [drivers/net/ethernet/via/via-rhine.ko] undefined!
ERROR: "dma_alloc_coherent" [drivers/net/ethernet/via/via-rhine.ko] undefined!
ERROR: "dma_free_coherent" [drivers/net/ethernet/via/via-rhine.ko] undefined!
ERROR: "dma_unmap_single" [drivers/net/ethernet/via/via-rhine.ko] undefined!
ERROR: "dma_map_page" [drivers/net/ethernet/via/via-velocity.ko] undefined!
ERROR: "dma_sync_single_for_cpu" [drivers/net/ethernet/via/via-velocity.ko] undefined!
ERROR: "dma_free_coherent" [drivers/net/ethernet/via/via-velocity.ko] undefined!
ERROR: "dma_unmap_single" [drivers/net/ethernet/via/via-velocity.ko] undefined!
ERROR: "dma_map_single" [drivers/net/ethernet/via/via-velocity.ko] undefined!
ERROR: "dma_alloc_coherent" [drivers/net/ethernet/via/via-velocity.ko] undefined!
Before, the symbols depended implicitly on HAS_DMA through PCI or
USE_OF. Add explicit dependencies on HAS_DMA to fix this.
Fixes: b7d3282a245f4428 ("net: via/Kconfig: replace USE_OF with OF_???")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This howto made sense in the 1990s when users had to manually configure
ISA cards with jumpers or vendor utilities, but with the implementation
of PCI it became increasingly less and less relevant, to the point where
it has been well over a decade since I last updated it. And there is
no value in anyone else taking over updating it either.
However the references to it continue to spread as boiler plate text
from one Kconfig file into the next. We are not doing end users any
favours by pointing them at this old document, so lets kill it with
fire, once and for all, to hopefully stop any further spread.
No code is changed in this commit, just Kconfig help text.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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USE_OF is used as intermediate Kconfig option by few
arch's (ARM, MIPS, Xtensa).
Replace instances of USE_OF outside of arch folders
with proper OF_???.
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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7ab87ff4c770eed71e3777936299292739fcd0fe ("via-rhine: move work from
irq handler to softirq and beyond") forgot to explicitely control the
lifespan of the tx_dirty and tx_cur pointers.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Follow the now usual transmit descriptor update path:
1. content change
2. dma_wmb
3. ownership change
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The NAPI receive path depends on desc->rx_status but it does not
enforce any explicit receive barrier.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver no longer produces holes in its receive ring so rx_head_desc
only duplicates cur_rx.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rationales:
- throttle work under memory pressure
- lower receive descriptor recycling latency for the network adapter
- lower the maintenance burden of uncommon paths
The patch is twofold:
- it fails early if the receive ring can't be completely initialized
at dev->open() time
- it drops packets on the floor in the napi receive handler so as to
keep the received ring full
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It's used to initialize the receive ring but it will actually shine when
the receive poll code is reworked.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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of_device_id is always used as const.
(See driver.of_match_table and open firmware functions)
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
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of_device_id is always used as const.
(See driver.of_match_table and open firmware functions)
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add Byte Queue Limits (BQL) support to via-rhine driver.
[edumazet] tweaked patch and changed TX_RING_SIZE from 16 to 64
Signed-off-by: Tino Reichardt <milky-kernel@mcmilk.de>
Tested-by: Jamie Gloudon <jamie.gloudon@gmail.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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mii_check_media() does not update the link (carrier) state or log link
changes when the link mode is forced. Drivers using the mii library
must do this themselves, but most of them do not.
Instead of changing them all, provide a sensible default behaviour
similar to mii_check_link() when the mode is forced.
via-rhine depends on it being a no-op in this case, so make its call
to mii_check_media() conditional.
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The same macros are used for rx as well. So rename it.
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A platform_driver does not need to set an owner, it will be populated by the
driver core.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull "trivial tree" updates from Jiri Kosina:
"Usual pile from trivial tree everyone is so eagerly waiting for"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (39 commits)
Remove MN10300_PROC_MN2WS0038
mei: fix comments
treewide: Fix typos in Kconfig
kprobes: update jprobe_example.c for do_fork() change
Documentation: change "&" to "and" in Documentation/applying-patches.txt
Documentation: remove obsolete pcmcia-cs from Changes
Documentation: update links in Changes
Documentation: Docbook: Fix generated DocBook/kernel-api.xml
score: Remove GENERIC_HAS_IOMAP
gpio: fix 'CONFIG_GPIO_IRQCHIP' comments
tty: doc: Fix grammar in serial/tty
dma-debug: modify check_for_stack output
treewide: fix errors in printk
genirq: fix reference in devm_request_threaded_irq comment
treewide: fix synchronize_rcu() in comments
checkstack.pl: port to AArch64
doc: queue-sysfs: minor fixes
init/do_mounts: better syntax description
MIPS: fix comment spelling
powerpc/simpleboot: fix comment
...
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This patch fix spelling typo in printk.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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We should prefer `struct pci_device_id` over `DEFINE_PCI_DEVICE_TABLE` to
meet kernel coding style guidelines. This issue was reported by checkpatch.
A simplified version of the semantic patch that makes this change is as
follows (http://coccinelle.lip6.fr/):
// <smpl>
@@
identifier i;
declarer name DEFINE_PCI_DEVICE_TABLE;
initializer z;
@@
- DEFINE_PCI_DEVICE_TABLE(i)
+ const struct pci_device_id i[]
= z;
// </smpl>
[bhelgaas: add semantic patch]
Signed-off-by: Benoit Taine <benoit.taine@lip6.fr>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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With some specific configuration (VT6105M on Soekris 5510 and depending
on the device at the other end), fragmented packets were not transmitted
when forcing 100 full-duplex with autoneg disable.
This fix now write full-duplex chips register when forcing full or
half-duplex not only when autoneg is enable.
Signed-off-by: François Cachereul <f.cachereul@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This introduces another flag in 'quirks' to replace the preprocessor
define (USE_MMIO) used to indicate whether the device needs a
separate enable routine to operate in MMIO mode.
All of the currently known platform Rhine cores operate in MMIO
mode by default, and on PCI it is preferred over PIO for performance
reasons. However, a comment in code suggests that some (?) early
Rhine cores only work in PIO mode, so they should not be switched
to MMIO.
Enabling MMIO on PCI is still triggered by the same Kconfig option
to avoid breaking user configs needlessly, but this can be changed
going forward towards automatic runtime detection in case a list of
PIO-only Rhine revisions can be compiled.
This also fixes a couple of compiler warnings detected by Fengguang
Wu's test bot (!USE_MMIO case):
drivers/net/ethernet/via/via-rhine.c: In function 'rhine_init_one_pci':
drivers/net/ethernet/via/via-rhine.c:1108:1: warning: label 'err_out_unmap' defined but not used [-Wunused-label]
err_out_unmap:
^
drivers/net/ethernet/via/via-rhine.c:1022:6: warning: unused variable 'i' [-Wunused-variable]
int i, rc;
^
drivers/net/ethernet/via/via-rhine.c:916:22: warning: 'quirks' may be used uninitialized in this function [-Wmaybe-uninitialized]
phy_id = rp->quirks & rqIntPHY ? 1 : 0;
^
drivers/net/ethernet/via/via-rhine.c:1026:6: note: 'quirks' was declared here
u32 quirks;
^
Signed-off-by: Alexey Charkov <alchark@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This adds two new flags to quirks and thus removes the need to carry
revision in rhine_private. As a result, the init logic is simplified
a bit.
This also fixes a compiler warning in OF code on 64bit due to pointer
casting:
drivers/net/ethernet/via/via-rhine.c: In function ‘rhine_init_one_platform’:
drivers/net/ethernet/via/via-rhine.c:1132:13: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
revision = (u32)match->data;
^
That code was added in commit 2d283862dc62daead9db0dc89cd0d0351e91f765
("net: via-rhine: add OF bus binding").
Tested in platform configuration on a VIA WM8950 APC Rock board.
Reported-by: Jan Moskyto Matejka <mq@suse.cz>
Signed-off-by: Alexey Charkov <alchark@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This should make the driver usable with VIA/WonderMedia ARM-based
Systems-on-Chip integrated Rhine III adapters. Note that these
are always in MMIO mode, and don't have any known EEPROM.
Signed-off-by: Alexey Charkov <alchark@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use more generic data structures instead of struct pci_dev wherever
possible in preparation for OF bus binding
Signed-off-by: Alexey Charkov <alchark@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove legacy PCI DMA wrappers and instead use generic DMA functions
directly in preparation for OF bus binding
Signed-off-by: Alexey Charkov <alchark@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Conflicts:
Documentation/devicetree/bindings/net/micrel-ks8851.txt
net/core/netpoll.c
The net/core/netpoll.c conflict is a bug fix in 'net' happening
to code which is completely removed in 'net-next'.
In micrel-ks8851.txt we simply have overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace dev_kfree_skb with dev_kfree_skb_any in velocity_xmit that can
be called in hard irq and other contexts. Packets are freed and
dropped in velocity_xmit when they are too fragmented and can
not be linearized.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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Replace dev_kfree_skb with dev_kfree_skb_any in rhine_start_tx which
can be called in hard irq and other contexts. Packets are only freed
in rhine_start_tx if they are dropped.
Replace dev_kfree_skb with dev_consume_skb_any in rhine_tx that can be
called in hard irq and other contexts. rhine_tx handles successfully
transmitted packets.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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Currently, via-rhine fails to call pci_disable_device() for errors
in rhine_init_one().
Reported-by: Huqiu Liu <liuhq11@mails.tsinghua.edu.cn>
Signed-off-by: Roger Luethi <rl@hellgate.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In generic, after an assignment, we use ';' instead of ','.
Although, it won't hurt.
Signed-off-by: Wang Weidong <wangweidong1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace the bh safe variant with the hard irq safe variant.
We need a hard irq safe variant to deal with netpoll transmitting
packets from hard irq context, and we need it in most if not all of
the places using the bh safe variant.
Except on 32bit uni-processor the code is exactly the same so don't
bother with a bh variant, just have a hard irq safe variant that
everyone can use.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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rhine_reset_task() misses to disable the tx scheduler upon reset,
this can lead to a crash if work is still scheduled while we're resetting
the tx queue.
Fixes:
[ 93.591707] BUG: unable to handle kernel NULL pointer dereference at 0000004c
[ 93.595514] IP: [<c119d10d>] rhine_napipoll+0x491/0x6
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
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2fdac010bdcf10a30711b6924612dfc40daf19b8 ("via-velocity.c: update napi
implementation") overlooked an irq disabling spinlock when the Rx part
of the NAPI poll handler was converted from netif_rx to netif_receive_skb.
NAPI Rx processing can be taken out of the locked section with a pair of
napi_{disable / enable} since it only races with the MTU change function.
An heavier rework of the NAPI locking would be able to perform NAPI Tx
before Rx where I simply removed one of velocity_tx_srv calls.
References: https://bugzilla.redhat.com/show_bug.cgi?id=1022733
Fixes: 2fdac010bdcf (via-velocity.c: update napi implementation)
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Tested-by: Alex A. Schmidt <aaschmidt1@gmail.com>
Cc: Jamie Heilman <jamie@audible.transient.net>
Cc: Michele Baldessari <michele@acksyn.org>
Cc: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core locking changes from Ingo Molnar:
"The biggest changes:
- add lockdep support for seqcount/seqlocks structures, this
unearthed both bugs and required extra annotation.
- move the various kernel locking primitives to the new
kernel/locking/ directory"
* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
block: Use u64_stats_init() to initialize seqcounts
locking/lockdep: Mark __lockdep_count_forward_deps() as static
lockdep/proc: Fix lock-time avg computation
locking/doc: Update references to kernel/mutex.c
ipv6: Fix possible ipv6 seqlock deadlock
cpuset: Fix potential deadlock w/ set_mems_allowed
seqcount: Add lockdep functionality to seqcount/seqlock structures
net: Explicitly initialize u64_stats_sync structures for lockdep
locking: Move the percpu-rwsem code to kernel/locking/
locking: Move the lglocks code to kernel/locking/
locking: Move the rwsem code to kernel/locking/
locking: Move the rtmutex code to kernel/locking/
locking: Move the semaphore core to kernel/locking/
locking: Move the spinlock code to kernel/locking/
locking: Move the lockdep code to kernel/locking/
locking: Move the mutex code to kernel/locking/
hung_task debugging: Add tracepoint to report the hang
x86/locking/kconfig: Update paravirt spinlock Kconfig description
lockstat: Report avg wait and hold times
lockdep, x86/alternatives: Drop ancient lockdep fixup message
...
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In order to enable lockdep on seqcount/seqlock structures, we
must explicitly initialize any locks.
The u64_stats_sync structure, uses a seqcount, and thus we need
to introduce a u64_stats_init() function and use it to initialize
the structure.
This unfortunately adds a lot of fairly trivial initialization code
to a number of drivers. But the benefit of ensuring correctness makes
this worth while.
Because these changes are required for lockdep to be enabled, and the
changes are quite trivial, I've not yet split this patch out into 30-some
separate patches, as I figured it would be better to get the various
maintainers thoughts on how to best merge this change along with
the seqcount lockdep enablement.
Feedback would be appreciated!
Signed-off-by: John Stultz <john.stultz@linaro.org>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: James Morris <jmorris@namei.org>
Cc: Jesse Gross <jesse@nicira.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Mirko Lindner <mlindner@marvell.com>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Roger Luethi <rl@hellgate.ch>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Simon Horman <horms@verge.net.au>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Wensong Zhang <wensong@linux-vs.org>
Cc: netdev@vger.kernel.org
Link: http://lkml.kernel.org/r/1381186321-4906-2-git-send-email-john.stultz@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Outgoing packets sent by via-rhine have their VLAN PCP field off by one
(when hardware acceleration is enabled). The TX descriptor expects only VID
and PCP (without a CFI/DEI bit).
Peter Boström noticed and reported the bug.
Signed-off-by: Roger Luethi <rl@hellgate.ch>
Cc: Peter Boström <peter.bostrom@netrounds.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Drivers supporting NAPI should use a NAPI-specific function for receiving
packets. Hence netif_rx is changed to netif_receive_skb.
Furthermore netif_napi_del should be used in the probe and remove function
to clean up the NAPI resource information.
Thanks to Francois Romieu, David Shwatrz and Rami Rosen for their help on
this patch.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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__initdata should be placed between the variable name and equal
sign for the variable to be placed in the intended section.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add poll controller function for velocity nic.
Signed-off-by: Amit Uttamchandani <auttamchandani@logicube.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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this bug:
https://bugzilla.redhat.com/show_bug.cgi?id=951695
Reported a dma debug backtrace:
WARNING: at lib/dma-debug.c:937 check_unmap+0x47d/0x930()
Hardware name: To Be Filled By O.E.M.
via-rhine 0000:00:12.0: DMA-API: device driver failed to check map error[device
address=0x0000000075a837b2] [size=90 bytes] [mapped as single]
Modules linked in: ip6_tables gspca_spca561 gspca_main videodev media
snd_hda_codec_realtek snd_hda_intel i2c_viapro snd_hda_codec snd_hwdep snd_seq
ppdev mperf via_rhine coretemp snd_pcm mii microcode snd_page_alloc snd_timer
snd_mpu401 snd_mpu401_uart snd_rawmidi snd_seq_device snd soundcore parport_pc
parport shpchp ata_generic pata_acpi radeon i2c_algo_bit drm_kms_helper ttm drm
pata_via sata_via i2c_core uinput
Pid: 295, comm: systemd-journal Not tainted 3.9.0-0.rc6.git2.1.fc20.x86_64 #1
Call Trace:
<IRQ> [<ffffffff81068dd0>] warn_slowpath_common+0x70/0xa0
[<ffffffff81068e4c>] warn_slowpath_fmt+0x4c/0x50
[<ffffffff8137ec6d>] check_unmap+0x47d/0x930
[<ffffffff810ace9f>] ? local_clock+0x5f/0x70
[<ffffffff8137f17f>] debug_dma_unmap_page+0x5f/0x70
[<ffffffffa0225edc>] ? rhine_ack_events.isra.14+0x3c/0x50 [via_rhine]
[<ffffffffa02275f8>] rhine_napipoll+0x1d8/0xd80 [via_rhine]
[<ffffffff815d3d51>] ? net_rx_action+0xa1/0x380
[<ffffffff815d3e22>] net_rx_action+0x172/0x380
[<ffffffff8107345f>] __do_softirq+0xff/0x400
[<ffffffff81073925>] irq_exit+0xb5/0xc0
[<ffffffff81724cd6>] do_IRQ+0x56/0xc0
[<ffffffff81719ff2>] common_interrupt+0x72/0x72
<EOI> [<ffffffff8170ff57>] ? __slab_alloc+0x4c2/0x526
[<ffffffff811992e0>] ? mmap_region+0x2b0/0x5a0
[<ffffffff810d5807>] ? __lock_is_held+0x57/0x80
[<ffffffff811992e0>] ? mmap_region+0x2b0/0x5a0
[<ffffffff811bf1bf>] kmem_cache_alloc+0x2df/0x360
[<ffffffff811992e0>] mmap_region+0x2b0/0x5a0
[<ffffffff811998e6>] do_mmap_pgoff+0x316/0x3d0
[<ffffffff81183ca0>] vm_mmap_pgoff+0x90/0xc0
[<ffffffff81197d6c>] sys_mmap_pgoff+0x4c/0x190
[<ffffffff81367d7e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[<ffffffff8101eb42>] sys_mmap+0x22/0x30
[<ffffffff81722fd9>] system_call_fastpath+0x16/0x1b
Usual problem with the usual fix, add the appropriate calls to dma_mapping_error
where appropriate
Untested, as I don't have hardware, but its pretty straightforward
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: David S. Miller <davem@davemloft.net>
CC: Roger Luethi <rl@hellgate.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use standard PM state macros PCI_Dx instead of numeric 0/1/2..
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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All drivers that select MII also need to select NET_CORE because MII
depends on it. This is a bit ridiculous because NET_CORE is just a
menu option that doesn't enable any code by itself.
There is also no need for it to be a visible option, since its users
all select it.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for the VIA Velocity network driver to be bound to a
OF created platform device.
Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: David S. Miller <davem@davemloft.net>
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