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It was brought to our attention that the prefetches break e1000 traffic
on xscale/arm architectures. Remove them for now. We'll let them
stay in mm for a while, or find a better solution to enable.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
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New code added in 2.6.17 caused setup_irq to print a warning when
running ethtool -t eth0 offline.
This test marks the request_irq call made by this test as a "probe"
to see if the interrupt is shared or not.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
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skb_clone() may fail, we should check the result.
Coverity CID: 1215.
Signed-off-by: Florin Malita <fmalita@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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From: Matt Mackall <mpm@selenic.com>
netconsole is being wrong here. If it wasn't enabled there's no error.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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From: Zachary Amsden <zach@vmware.com>
Signed-off-by: Zachary Amsden <zach@vmware.com>
Cc: Ayaz Abdulla <aabdulla@nvidia.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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From: Florin Malita <fmalita@gmail.com>
The skb may be gone after netif_rx(), we can't use 'skb->len' to update the
stats. 'pkt_len' should work instead.
Coverity CID: 911.
Signed-off-by: Florin Malita <fmalita@gmail.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Acked-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Also add the Poll RX DMA Memory workaround to the DMA4
(xmitstatus) path.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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During a code scan for another change I discovered that this call to
pcnet32_free_ring must be removed. If the open fails due to a lack of
memory all the ring structures are removed via the call to free_ring
and a subsequent call to open will dereference a null pointer in
pcnet32_init_ring.
Please apply to 2.6.17.
Signed-off-by: Don Fry <brazilnut@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Someone was waaay too aggressive and removed e1000's reboot notifier
instead of porting it to the new way of the shutdown handler. This change
broke wake on lan. Add the shutdown handler back in using the same method
as e100 uses.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
(cherry picked from c653e6351e371b33b29871e5eedf610ffb3be037 commit)
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Fix section mismatch warnings:
WARNING: drivers/net/wireless/arlan.o - Section mismatch: reference to
.init.text:arlan_probe from .text between 'init_module' (at offset
0x3526) and 'cleanup_module'
WARNING: drivers/net/wireless/arlan.o - Section mismatch: reference to
.init.text:init_arlan_proc from .text between 'init_module' (at offset
0x3539) and 'cleanup_module'
WARNING: drivers/net/wireless/arlan.o - Section mismatch: reference to
.exit.text:cleanup_arlan_proc from .text between 'cleanup_module' (at
offset 0x356c) and 'arlan_diagnostic_info_string'
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Fix section mismatch warning:
WARNING: drivers/net/wireless/wavelan.o - Section mismatch: reference to
.init.text: from .text between 'init_module' (at offset 0x371e) and
'cleanup_module'
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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If a SIR dongle is built in the kernel while IRTTY_SIR is built
as a module, kernel compilation will fail.
Thus, the SIR dongle config should depend on the IRTTY_SIR.
Closes kernel bug# 6512
(http://bugzilla.kernel.org/show_bug.cgi?id=6512)
Signed-off-by: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The truncate threshold calculation to prevent receiver from getting stuck
was incorrect, and it didn't take into account the upper limit on bits
in the register so the jumbo packet support was broken.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[NETFILTER]: SNMP NAT: fix memory corruption
[IRDA]: fixup type of ->lsap_state
[IRDA]: fix 16/32 bit confusion
[NET]: Fix "ntohl(ntohs" bugs
[BNX2]: Use kmalloc instead of array
[BNX2]: Fix bug in bnx2_nvram_write()
[TG3]: Add some missing rx error counters
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If the skb allocation fails, the current error path calls
dev_kfree_skb_irq() with a NULL argument. Also, 'err' is not being used.
Coverity CID: 275.
Signed-off-by: Florin Malita <fmalita@gmail.com>
Cc: "John W. Linville" <linville@tuxdriver.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Use kmalloc() instead of a local array in bnx2_nvram_write().
Update version to 1.4.40.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix a bug in bnx2_nvram_write() caused by a counter variable not
correctly incremented by 4.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add some missing rx error counters for 5705 and newer chips.
Update version to 3.58.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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With Manfred Spraul <manfred@colorfullife.com> and
Andrew Morton <akpm@osdl.org>
Bring back this recently-reverted patch, only fixed.
Original changelog:
From: Ayaz Abdulla <aabdulla@nvidia.com>
This patch fixes the issues with multiple irqs.
I am resending based on feedback. I decoupled the dma mask for
consistent memory and fixed leak with multiple irq in error path.
Thanks to Manfred for catching the spin lock problem.
Fix it:
From: Manfred Spraul <manfred@colorfullife.com>
Fix bug introduced by ebf34c9b6fcd22338ef764b039b3ac55ed0e297b, covered in
http://bugzilla.kernel.org/show_bug.cgi?id=6568.
Remove second instance of the request_irq() calls: they were moved
from nv_open into nv_request_irq.
Thanks to Alistair Strachan <alistair@devzero.co.uk> for reporting and
persisting.
Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: Manfred Spraul <manfred@colorfullife.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Call pci_map_single() with the actual size of the receive
buffers, not 0 (which skb->len is initialized to by dev_alloc_skb()).
Signed-off-by: Erling A. Jacobsen <linuxcub@email.dk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Dear Jeff
axnet_cs: bug fix multicast code (support older ax88190 chipset)
Signed-off-by: komurojun-mbn@nifty.com
Best Regards
Komuro
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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The driver will get stuck (permanent transmit timeout), if the transmit
ring size is set too small. It needs to have enough ring elements to
hold one maximum size transmit.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Skge driver always causes bad checksums on big-endian.
The checksum in the receive control block was being swapped
when it doesn't need to be.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Need to track impact of this group of changes.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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If the status ring processing can't keep up with the incoming frames,
it is more efficient to have NAPI keep scheduling the poll routine
rather than causing another interrupt.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Logic error in the phy initialization code. Also, turn on wake on lan
bit in status control.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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The Dlink DGE-560T uses Yukon2 chipset so it needs sky2 driver; and
the DGE-530T uses Yukon1 so it uses skge driver.
Bug: http://bugzilla.kernel.org/show_bug.cgi?id=6544
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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If both ports are receiving on the SysKonnect dual port cards,
then it appears the bus interface unit can give an interrupt status
for frame before DMA has completed. This leads to bogus frames
and general confusion. This is why receive checksumming is also
messed up on dual port cards.
A workaround for the out of order receive problem is to eliminating
split transactions on PCI-X.
This version is based of the current linux-2.6.git including earlier
patch to disable dual ports.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Revert previous patch with subject "change mdelay to msleep and remove
from ISR path". This patch seems to have caused bigger problems than
it solved, and it didn't solve much of a problem to begin with...
Discussion about backing-out this patch can be found here:
http://marc.theaimsgroup.com/?l=linux-netdev&m=114321570402396&w=2
The git commit associated w/ the original patch is:
6ba98d311d0a4ff7dc36d8f435ce60174f4c30ec
Signed-off-by: John W. Linville <linville@tuxdriver.com
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Revert ebf34c9b6fcd22338ef764b039b3ac55ed0e297b. Maybe. Due to crashes
at shutdown - see http://bugzilla.kernel.org/show_bug.cgi?id=6568.
Cc: Ayaz Abdulla <aabdulla@nvidia.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/shemminger/netdev-2.6:
sky2: prevent dual port receiver problems
x86_64: Check for bad dma address in b44 1GB DMA workaround
The ixp2000 driver for the enp2611 was developed on a board with
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I still need this hack to work around the fact that softmac doesn't
attempt to associate when we bring the device up...
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Needed for interaction with the nommu code in x86-64 which
will return bad_dma_address if the address exceeds dma_mask.
Cc: netdev@vger.kernel.org
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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When both ports are receiving simultaneously, the receive logic gets confused
and may pass up a packet before it is full. This causes hangs, and IP will see
lots of garbage packets. There is even the potential for data corruption if
a later arriving packet DMA's into freed memory.
It looks like a hardware bug because status arrives for a packet but no
data is there. Until this bug is worked out, block the user from bringing
up both ports at once.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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Needed for interaction with the nommu code in x86-64 which
will return bad_dma_address if the address exceeds dma_mask.
Cc: netdev@vger.kernel.org
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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three gigabit ports, but some enp2611 models only have two ports
(and only one onboard PM3386.) The current driver assumes there
are always three ports and so it doesn't work on the two-port
version of the board at all.
This patch adds a bit of logic to the enp2611 driver to limit the
number of ports to 2 if the second PM3386 isn't detected.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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On alpha:
drivers/net/dl2k.c: In function `rio_free_tx':
drivers/net/dl2k.c:768: error: `DMA_48BIT_MASK' undeclared (first use in this function)
drivers/net/dl2k.c:768: error: (Each undeclared identifier is reported only once
drivers/net/dl2k.c:768: error: for each function it appears in.)
drivers/net/dl2k.c: In function `receive_packet':
drivers/net/dl2k.c:896: error: `DMA_48BIT_MASK' undeclared (first use in this function)
drivers/net/dl2k.c: In function `rio_close':
drivers/net/dl2k.c:1803: error: `DMA_48BIT_MASK' undeclared (first use in this function)
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Even with fiber cards ethtool reports that the connected port is TP,
the patch fix this.
Signed-off-by: Karsten Keil <kkeil@suse.de>
Acked-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[NET_SCHED]: HFSC: fix thinko in hfsc_adjust_levels()
[IPV6]: skb leakage in inet6_csk_xmit
[BRIDGE]: Do sysfs registration inside rtnl.
[NET]: Do sysfs registration as part of register_netdevice.
[TG3]: Fix possible NULL deref in tg3_run_loopback().
[NET] linkwatch: Handle jiffies wrap-around
[IRDA]: Switching to a workqueue for the SIR work
[IRDA]: smsc-ircc: Minimal hotplug support.
[IRDA]: Removing unused EXPORT_SYMBOLs
[IRDA]: New maintainer.
[NET]: Make netdev_chain a raw notifier.
[IPV4]: ip_options_fragment() has no effect on fragmentation
[NET]: Add missing operstates documentation.
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* 'upstream' of master.kernel.org:/pub/scm/linux/kernel/git/shemminger/netdev-2.6:
sis900: phy for FoxCon motherboard
dl2k: use DMA_48BIT_MASK constant
phy: mdiobus_register(): initialize all phy_map entries
sky2: ifdown kills irq mask
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661FX7MI-S motherboard which uses the SiS 661FX chipset. The patch adds
an entry to mii_chip_info for the transceiver.
The PHY ids were found using the sis900_c_122.diff patch from
http://brownhat.org/sis900.html but that patch didn't solve the problem,
because the PHY at address 1 was already being chosen.
Without my patch, when bursts of packets arrive from other hosts on a
LAN, the interface dropped one roughly 10% of the time, causing
retransmits. There were fifth second pauses in refresh of large xterms,
and it made Netrek suck. I can provide further test data.
Workaround in lieu of patch is to use mii-tool to advertise
100baseTx-HD, then force renegotiation.
I wasn't able to identify the actual transceiver, so the description
field is a guess.
This patch is similar to Artur Skawina's patch:
http://marc.theaimsgroup.com/?l=linux-netdev&m=114297516729079&w=2
I'm not sure, but I wonder if it means the default behaviour should be
changed, so as to better handle future transceivers.
Diff is against 2.6.16.13.
Signed-off-by: James Cameron <james.cameron@hp.com>
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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Typo will be harder with this one.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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make sure phy_map entries whose PHY address is masked are initialized
to NULL, given that other code (such as mdiobus_unregister for
instance) assumes that non-NULL phy_map entries are allocated
phy_devices
Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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Bringing down a port also masks off the status and other IRQ's
needed for device to function due to missing paren's.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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tg3_run_loopback doesn't check that dev_alloc_skb() returns anything
useful.
Even if dev_alloc_skb() fails to return an skb to us we'll happily go
on and assume it did, so we risk dereferencing a NULL pointer. Much
better to fail gracefully by returning -ENOMEM than crashing here.
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since sir_kthread.c pretty much duplicates the workqueue
functionality, we'd better switch. The SIR fsm has been merged into
sir_dev.c and thus sir_kthread.c is deleted.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Samuel Ortiz <samuel.ortiz@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jeff Garzik
Auke Kok
Florin Malita
Matt Mackall
Zachary Amsden
Michael Buesch
Don Fry
Randy Dunlap
Samuel Ortiz
Stephen Hemminger
Linus Torvalds
Michael Chan
Ayaz Abdulla
Erling A. Jacobsen
Komuro
John W. Linville
Andrew Morton
David Woodhouse
Andi Kleen
Lennert Buytenhek
Karsten Keil
James Cameron
Francois Romieu
Herbert Valerio Riedel
Jesper Juhl
Christoph Hellwig