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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (21 commits)
mac80211: check interface is down before type change
cfg80211: fix NULL ptr deref
libertas if_usb: Fix crash on 64-bit machines
mac80211: fix reason code output endianness
mac80211: fix addba timer
ath9k: fix misplaced semicolon on rate control
b43: Fix DMA TX bounce buffer copying
mac80211: fix BSS leak
rt73usb.c : more ids
ipw2200: fix oops on missing firmware
gre: Fix dev_addr clobbering for gretap
sky2: set carrier off in probe
net: fix sk_forward_alloc corruption
pcnet_cs: add cis of PreMax PE-200 ethernet pcmcia card
r8169: Fix card drop incoming VLAN tagged MTU byte large jumbo frames
ibmtr: possible Read buffer overflow?
net: Fix RPF to work with policy routing
net: fix kmemcheck annotations
e1000e: rework disable K1 at 1000Mbps for 82577/82578
e1000e: config PHY via software after resets
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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The MTU throttle-down if a RNDIS device doesn't support a particular
packet size is being incorrectly logged. The attempted packet size is
being clobbered before it gets logged.
First patch; please inform if I'm doing this incorrectly. Diff'd
against latest official source as per the FAQ; forward port to current
git version is straightforward.
Signed-off-by: George Nassar <george.nassar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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On a 64-bit kernel, skb->tail is an offset, not a pointer. The libertas
usb driver passes it to usb_fill_bulk_urb() anyway, causing interesting
crashes. Fix that by using skb->data instead.
This highlights a problem with usb_fill_bulk_urb(). It doesn't notice
when dma_map_single() fails and return the error to its caller as it
should. In fact it _can't_ currently return the error, since it returns
void.
So this problem was showing up only at unmap time, after we'd already
suffered memory corruption by doing DMA to a bogus address.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Cc: stable@kernel.org
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The patch e43419f9:
ath9k: downgrade assert in rc.c for invalid rate
downgraded an ASSERT to a WARN_ON() but also misplaced a
semicolon at the end of the second check. What this did
was force the rate control code to always return the rate
even if we should have warned about it. Since this should
not have happened anymore anyway this fix isn't critical
as the proper rate would have been returned anyway.
Cc: stable@kernel.org
Reported-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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b43 allocates a bouncebuffer, if the supplied TX skb is in an invalid
memory range for DMA.
However, this is broken in that it fails to copy over some metadata to the
new skb.
This patch fixes three problems:
* Failure to adjust the ieee80211_tx_info pointer to the new buffer.
This results in a kmemcheck warning.
* Failure to copy the skb cb, which contains ieee80211_tx_info, to the new skb.
This results in breakage of various TX-status postprocessing (Rate control).
* Failure to transfer the queue mapping.
This results in the wrong queue being stopped on saturation and can result in queue overflow.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Tested-by: Christian Casteyde <casteyde.christian@free.fr>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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stolen from windows inf file(07/17/2009, 1.03.05.0000)
Ovislink 0x1b75, 0x7318
MSI 0x0db0, 0x4600
WideTell 0x7167, 0x3840
Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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For non-monitor interfaces, the syntax for alloc_ieee80211/free_80211
is wrong. Because alloc_ieee80211 only creates (wiphy_new) a wiphy, but
free_80211() does wiphy_unregister() also. This is only correct when
the later wiphy_register() is called successfully, which apparently
is not the case for your fw doesn't exist one.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Before bringing up a sky2 interface up ethtool reports
"Link detected: yes". Do as ixgbe does and netif_carrier_off() on
probe().
Signed-off-by: Brandon Philips <bphilips@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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pcnet_cs,serial_cs:
add cis of PreMax ethernet pcmcia card,
and some Sierra Wireless serial card(AC555, AC7xx, AC8xx).
use PROD_ID for AC7xx, because MANF_ID of AC7xx and AC8xx are the same.
Signed-off-by: Ken Kawasaki <ken_kawasaki@spring.nifty.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
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r8169 card drop incoming VLAN tagged MTU byte large jumbo frames
It looks to compare current and maximal packet sizes hardware use
'<' operator, not '<='.
Bug introduced by commit fdd7b4c3302c93f6833e338903ea77245eb510b4
("r8169: fix crash when large packets are received")
Signed-off-by: Raimonds Cicans <ray@apollo.lv>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Prevent read outside array bounds.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch reworks a previous workaround (commit 7d3cabbcc) for an issue
in hardware where noise on the interconnect between the MAC and PHY could
be generated by a lower power mode (K1) at 1000Mbps resulting in bad
packets. Disable K1 while at 1000 Mbps but keep it enabled for 10/100Mbps
and when the cable is disconnected. The original version of this
workaround was found to be incomplete.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On PCH-based (82577/82578) and some ICH8-based parts (82566) there is an
issue with the hardware automatically configuring the PHY with contents
from the EEPROM after the PHY is reset, so do the configuration by the
driver instead. This was already similarly done for some 82566 parts in
e1000_phy_hw_reset_ich8lan() but needs to be done after other resets,
so move the PHY configuration code to its own function and call after
all PHY resets.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A change in how PHYs are electrically isolated caused all PHYs to be
isolated followed by reverting that isolation for the selected PHY.
Unfortunately, isolating the selected PHY for even a short period of
time can result in DHCP negotiation taking more than 10 seconds on certain
embedded configurations delaying boot time as reported by Bernhard Kaindl.
This patch reverts the change to how PHYs are isolated yet still works
around the issue for 82552 needing the selected PHY's BMCR register to
be written after the unused PHYs are isolated. This code is moved below
the setting of nic->phy ID in order to do the 82552-specific workaround.
Cc: Bernhard Kaindl <bernhard.kaindl@gmx.net>
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (43 commits)
net: Fix 'Re: PACKET_TX_RING: packet size is too long'
netdev: usb: dm9601.c can drive a device not supported yet, add support for it
qlge: Fix firmware mailbox command timeout.
qlge: Fix EEH handling.
AF_RAW: Augment raw_send_hdrinc to expand skb to fit iphdr->ihl (v2)
bonding: fix a race condition in calls to slave MII ioctls
virtio-net: fix data corruption with OOM
sfc: Set ip_summed correctly for page buffers passed to GRO
cnic: Fix L2CTX_STATUSB_NUM offset in context memory.
MAINTAINERS: rt2x00 list is moderated
airo: Reorder tests, check bounds before element
mac80211: fix for incorrect sequence number on hostapd injected frames
libertas spi: fix sparse errors
mac80211: trivial: fix spelling in mesh_hwmp
cfg80211: sme: deauthenticate on assoc failure
mac80211: keep auth state when assoc fails
mac80211: fix ibss joining
b43: add 'struct b43_wl' missing declaration
b43: Fix Bugzilla #14181 and the bug from the previous 'fix'
rt2x00: Fix crypto in TX frame for rt2800usb
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
mlx4_core: Add a new supported 40 GigE device ID
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I've not touched the other stuff here but the word "locking" comes to mind.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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I found that the current version of drivers/net/usb/dm9601.c can be used to
successfully drive a low-power, low-cost network adapter with USB ID
0a46:9000, based on a DM9000E chipset. As no device with this ID is yet
present in the kernel, I have created a patch that adds support for the device
to the dm9601 driver.
Created and tested against linux-2.6.32-rc5.
Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The mailbox command process would only process a maximum of 5 unrelated
firmware events while waiting for it's command completion status.
It should process an unlimited number of events while waiting for a maximum of 5 seconds.
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Clean up driver resources without touch the hardware. Add pci
save/restore state.
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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In mii monitor mode, bond_check_dev_link() calls the the ioctl
handler of slave devices. It stores the ndo_do_ioctl function
pointer to a static (!) ioctl variable and later uses it to call the
handler with the IOCTL macro.
If another thread executes bond_check_dev_link() at the same time
(even with a different bond, which none of the locks prevent), a
race condition occurs. If the two racing slaves have different
drivers, this may result in one driver's ioctl handler being
called with a pointer to a net_device controlled with a different
driver, resulting in unpredictable breakage.
Unless I am overlooking something, the "static" must be a
copy'n'paste error (?).
Signed-off-by: Jiri Bohac <jbohac@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
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virtio net used to unlink skbs from send queues on error,
but ever since 48925e372f04f5e35fec6269127c62b2c71ab794
we do not do this. This causes guest data corruption and crashes
with vhost since net core can requeue the skb or free it without
it being taken off the list.
This patch fixes this by queueing the skb after successful
transmit.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Page buffers containing packets with an incorrect checksum or using a
protocol not handled by hardware checksum offload were previously not
passed to LRO. The conversion to GRO changed this, but did not set
the ip_summed value accordingly.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The BNX2_L2CTX_STATUSB_NUM definition needs to be changed to match
the recent firmware update:
commit 078b0735881c7969aaf21469f3577831cddd9f8c
bnx2: Update firmware to 5.0.0.j3.
Without the fix, bnx2 can crash intermittently in bnx2_rx_int() when
iSCSI is enabled.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Test whether index is within bounds before reading the element
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This fixes the following sparse warnings:
$ make modules SUBDIRS=drivers/net/wireless/libertas C=1 CF=-D__CHECK_ENDIAN__
make: Entering directory `/usr/src/linux-wl'
CHECK drivers/net/wireless/libertas/if_spi.c
drivers/net/wireless/libertas/if_spi.c:137:16: warning: incorrect type in initializer (different base types)
drivers/net/wireless/libertas/if_spi.c:137:16: expected unsigned short [unsigned] [usertype] reg_out
drivers/net/wireless/libertas/if_spi.c:137:16: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:191:16: warning: incorrect type in initializer (different base types)
drivers/net/wireless/libertas/if_spi.c:191:16: expected unsigned short [unsigned] [usertype] reg_out
drivers/net/wireless/libertas/if_spi.c:191:16: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:256:24: warning: incorrect type in argument 1 (different base types)
drivers/net/wireless/libertas/if_spi.c:256:24: expected restricted __le32 const [usertype] *p
drivers/net/wireless/libertas/if_spi.c:256:24: got unsigned int *<noident>
drivers/net/wireless/libertas/if_spi.c:243:24: warning: incorrect type in argument 1 (different base types)
drivers/net/wireless/libertas/if_spi.c:243:24: expected restricted __le16 const [usertype] *p
drivers/net/wireless/libertas/if_spi.c:243:24: got unsigned short *<noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:243:24: warning: incorrect type in argument 1 (different base types)
drivers/net/wireless/libertas/if_spi.c:243:24: expected restricted __le16 const [usertype] *p
drivers/net/wireless/libertas/if_spi.c:243:24: got unsigned short *<noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:243:24: warning: incorrect type in argument 1 (different base types)
drivers/net/wireless/libertas/if_spi.c:243:24: expected restricted __le16 const [usertype] *p
drivers/net/wireless/libertas/if_spi.c:243:24: got unsigned short *<noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:243:24: warning: incorrect type in argument 1 (different base types)
drivers/net/wireless/libertas/if_spi.c:243:24: expected restricted __le16 const [usertype] *p
drivers/net/wireless/libertas/if_spi.c:243:24: got unsigned short *<noident>
drivers/net/wireless/libertas/if_spi.c:243:24: warning: incorrect type in argument 1 (different base types)
drivers/net/wireless/libertas/if_spi.c:243:24: expected restricted __le16 const [usertype] *p
drivers/net/wireless/libertas/if_spi.c:243:24: got unsigned short *<noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:171:7: warning: incorrect type in assignment (different base types)
drivers/net/wireless/libertas/if_spi.c:171:7: expected unsigned short [unsigned] [usertype] buff
drivers/net/wireless/libertas/if_spi.c:171:7: got restricted __le16 [usertype] <noident>
drivers/net/wireless/libertas/if_spi.c:243:24: warning: incorrect type in argument 1 (different base types)
drivers/net/wireless/libertas/if_spi.c:243:24: expected restricted __le16 const [usertype] *p
drivers/net/wireless/libertas/if_spi.c:243:24: got unsigned short *<noident>
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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'struct b43_wl' declaration is missing at 'leds.h'.
It should be declared to avoid getting some GCC warnings at 'b43_leds_unregister'.
Signed-off-by: Miguel Botón <mboton@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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"b43: Fix PPC crash in rfkill polling on unload" fixed the bug reported
in Bugzilla No. 14181; however, it introduced a new bug. Whenever the
radio switch was turned off, it was necessary to unload and reload
the driver for it to recognize the switch again.
This patch fixes both the original bug in #14181 and the bug introduced by
the previous patch. It must be stated, however, that if there is a BCM4306/3
with an rfkill switch (not yet proven), then the driver will need an
unload/reload cycle to turn the device back on.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Benoit PAPILLAULT <benoit.papillault@free.fr>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Add include asm/cacheflush.h, because declaration of __flush_purge_region
moved to asm/cacheflush.h.
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Be more careful about the state of pointers during tear-down.
The "pppoe_dev" field can only be looked at safely while holding socket locks.
This subsequently allows for the flush_lock to be killed.
We depend on the PPPOX_CONNECTED state to tell us that that those fields are
valid, so whoever clears that state (pppox_unbind_sock()) is responsible for
the dev_put() call.
We also have to ensure that we delete_item() on all sockets before they are
cleaned up.
The need for these changes has been exposed by scenarios wherein namespace
bindings of ethernet devices change while there are ongoing PPPoE sessions,
which resulted in oopses due to unusual socket connection termination paths,
exposing these issues.
Signed-off-by: Michal Ostrowski <mostrows@gmail.com>
Reviewed-by: Cyril Gorcunov <gorcunov@gmail.com>
Reported-by: Denys Fedoryschenko <denys@visp.net.lb>
Tested-by: Denys Fedoryschenko <denys@visp.net.lb>
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PCH-based parts (82577/82578) and some ICH8-based parts (82566) need to
hold the swflag (sw/fw/hw hardware semaphore) over consecutive PHY accesses
in order to perform sw-driven PHY configuration during initialization to
workaround known hardware issues (see follow-on patch). This patch
provides new PHY read/write functions (and function pointers) that will
allow accessing the PHY registers assuming the swflag has already been
acquired. The actual PHY register access code has moved into helper
functions that are called with a flag indicating whether or not the swflag
has already been acquired and acquires/releases it if not.
The functions called from within the updated PHY access functions had to be
updated to assume the swflag was already acquired, and other functions that
called those functions were also updated to acquire/release the swflag.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Accesses to NVM and PHY/CSR registers on ICHx/PCH-based parts are protected
from concurrent accesses with a mutex that is acquired when the access is
initiated and released when the access has completed. However, the two
types of accesses should not be protected by the same mutex because the
driver may have to access the NVM while already holding the mutex over
several consecutive PHY/CSR accesses which would result in livelock.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Unlike previous ICHx-based parts, the PCH-based parts (82577/82578) require
LPLU (Low Power Link Up, or "reverse auto-negotiation") to be configured in
the PHY rather than the MAC.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In some conditions (e.g. when AMT is enabled on the system), it is possible
to take an extended period of time to for the driver to acquire the sw/fw/hw
hardware semaphore used to protect against concurrent access of a shared
resource (e.g. PHY registers). This could cause PHY registers to not get
configured properly resulting in link issues.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Performing a dummy read of the PHY Wakeup Control (WUC) register clears the
wakeup enable bit set by an PHY reset. If this bit remains set, link
problems may occur.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch resolves a memory leak which occurs while changing the ring size
while the interface is down.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch resolves a memory leak that occurs when you resize the rings via
the ethtool -G option while the interface is down.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Changing ring sizes while the interface was down was causing a double
allocation of the receive and transmit rings. This issue is amplified when
there are multiple rings enabled. To prevent this we need to add an
additional check which will just update the ring counts when the interface
is not up and skip the allocation steps.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Modify bonding hash transmit policies to use the psource MAC address of
the packet instead of the MAC address configured for the bonding device.
The old sitation conflicts with the documentation.
Signed-off-by: Jasper Spaans <spaans@fox-it.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The DM9000B revision ID is 0x1A, not 0x1B as set in the curernt
dm9000.h header.
Fix bug reported by Paolo Zebelloni.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Simtec Linux Team <linux@simtec.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The 8110SC rev d chip on our board shows a regression which the 8110SB chip
did not have. When inbound traffic is overflowing the receive descriptor queue,
"holes" in the ring buffer may occur which lead to a hangup until the buffer
is filled again. The packets are than completely processed, but the ring
remains porous and no packets are processed until the next overflow. Setting
the interface down and up can fix the problem temporary from userspace.
For some reason we don't know, this behaviour is not occuring if the RxVlan
bit for hardware VLAN untagging is set. There is another "Work around for
AMD plateform" in the current code which checks the VLAN status
word in receive descriptors, but does never come to effect when hardware
VLAN support is enabled. We assume that this is a bug in the chip.
The following patch fixes the problem. Without the patch we could reproduce
the hang within minutes (given other devices also generating lots of
interrupts), without we couldn't reproduce within a few days of long term
testing.
This version contains minor style adjustments and is sent with mutt which
will hopefully not destroy the formatting again.
Signed-off-by: Bernhard Schmidt <bernhard.schmidt@saxnet.de>
Signed-off-by: Simon Wunderlich <simon.wunderlich@saxnet.de>
Acked-by: Francois Romieu <romieu@zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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At this point (ri_tasklet()), RTNL or dev_base_lock are not held,
we must use dev_get_by_index() instead of __dev_get_by_index()
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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fixes the following build failure:
CC drivers/net/au1000_eth.o
/drivers/net/au1000_eth.c: In function 'au1000_set_settings':
/drivers/net/au1000_eth.c:623: error: implicit declaration of function 'capable'
/drivers/net/au1000_eth.c:623: error: 'CAP_NET_ADMIN' undeclared (first use in this function)
/drivers/net/au1000_eth.c:623: error: (Each undeclared identifier is reported only once
/drivers/net/au1000_eth.c:623: error: for each function it appears in.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Improve the reporting of myri10ge port type in ethtool,
and update for new boards.
Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: Andrew Gallatin <gallatin@myri.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The PHY on 82577/82578 parts needs a soft reset when transitioning to Sx
state in order for the PHY write which disables gigabit speed to take
effect. Gigabit speed must be disabled in order for the PHY writes to
registers on page 800 (the wakeup control registers) to work as expected
otherwise the system might not wake via WoL.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Old code assumed board config version in the flash to be 1.
When this will get changed by tools, driver just refuses to
attach. This is unnecessary since driver does not have to
parse board config structure directly (maintained by firmware).
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Clear NX_RESETING bit in netxen_tx_timeout_task() so that
the firmware watchdog task can catch need_reset request
from tx timeout.
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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