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This patch does a simple code move of at76_join() so that
at76_mac80211_tx() follows at76_join() in the driver's source file.
This is a preparatory patch for the following patch where we need
to call at76_join() from at76_mac80211_tx() in order to
authenticate successfully with a bssid.
Signed-off-by: Sebastian Smolorz <sesmo@gmx.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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While mesh_rx_plink_frame holds sta->lock...
mesh_rx_plink_frame ->
mesh_plink_inc_estab_count ->
ieee80211_bss_info_change_notify
...but ieee80211_bss_info_change_notify is allowed to sleep. A driver
taking advantage of that allowance can cause a scheduling while
atomic bug. Similar paths exist for mesh_plink_dec_estab_count,
so work around those as well.
http://bugzilla.kernel.org/show_bug.cgi?id=16099
Also, correct a minor kerneldoc comment error (mismatched function names).
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Cc: stable@kernel.org
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
Acked-by: Felix Fietkau <nbd@openwrt.org>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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net/mac80211/rc80211_minstrel_ht.c:440:46: warning: incorrect type in argument 2 (different signedness)
net/mac80211/rc80211_minstrel_ht.c:440:46: expected int *idx
net/mac80211/rc80211_minstrel_ht.c:440:46: got unsigned int *<noident>
net/mac80211/rc80211_minstrel_ht.c:446:46: warning: incorrect type in argument 2 (different signedness)
net/mac80211/rc80211_minstrel_ht.c:446:46: expected int *idx
net/mac80211/rc80211_minstrel_ht.c:446:46: got unsigned int *<noident>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Acked-by: Felix Fietkau <nbd@openwrt.org>
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net/mac80211/rx.c:2059:39: warning: symbol 'mgmt' shadows an earlier one
net/mac80211/rx.c:1916:31: originally declared here
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
net/ipv4/ip_output.c
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sky2_phy_reinit is called by the ethtool helpers sky2_set_settings,
sky2_nway_reset and sky2_set_pauseparam when netif_running.
However, at the end of sky2_phy_init GM_GP_CTRL has GM_GPCR_RX_ENA and
GM_GPCR_TX_ENA cleared. So, doing these commands causes the device to
stop working:
$ ethtool -r eth0
$ ethtool -A eth0 autoneg off
Fix this issue by enabling Rx/Tx after running sky2_phy_init in
sky2_phy_reinit.
Signed-off-by: Brandon Philips <bphilips@suse.de>
Tested-by: Brandon Philips <bphilips@suse.de>
Cc: stable@kernel.org
Tested-by: Mike McCormack <mikem@ring3k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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this patch is implementing IP_NODEFRAG option for IPv4 socket.
The reason is, there's no other way to send out the packet with user
customized header of the reassembly part.
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For z/VM guest operating systems, OSX CHPIDs can only be used, if
LPAR and z/VM userID are explicitly authorized through the Service
Element. Issue a message if this SE-authorization is missing.
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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OSN devices use the same function level as OSD devices. This patch
adds OSN-devices to the initialization function for func_level.
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Turning on memory debugging showed there could be page breaks in
hardware headers. OSA does not allow this so we had to add code
to bounce the header in case there is a page break. This patch also
fixes a problem in case the skb->data part of a fragmented skb
spreads multiple pages.
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The function qeth_free_buffer_pool is called _after_ the per-card
debug area has been released. This debug message is not all that
usefull anyway, and thus gets removed.
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch removes the qerr debug area. Most info that goes in here is logged
to the card's local debug area already, those duplicates are removed. All other
elements are moved to the card's local debug area.
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch removes the misc debug area. Instead of logging the entire skb
we just log a pointer to it into the card's local debug area in
qeth_core_get_next_skb. Other then that, this debug area is not used anywhere.
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch removes the sense debug area completely. Despite the name this
debug area makes no sense at all because it's unused completely. Ouch.
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch removes the qeth_trace debug area. All relevant data is logged into
either qeth_setup or into each card's own debug area. Superfluous information
(such as the card number when logging into the card's own debug area) is
removed without replacement.
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds a debug area for each qeth card. This debug area will replace
various other debug areas that are global for all cards handled by the device
driver. On crash dump analysis this makes life easier when trying to find out
what's going on with an interface. Also, the forest of debug areas for this
device driver is significantly cleared up.
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch decouples qeth_dbf_longtext from qeth's static debug array. The
function only uses one member anyway.
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If another smsgiucv_app device exists, suspend / resume fails with
iucv path list corruption, because the same iucv_path_connect is
called twice.
The patch introduces a flag to save connect status of the smsgiucv
path to make sure iucv_path_connect in smsg_pm_restore_thaw is
called only once.
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After destroying recv ctx, context state remain same.
Fix it by marking as FREED.
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Offload tx timeout recovery to fw recovery func(check_health).
In check_health, first check health of device, if it its ok, then
do tx timeout recovery otherwise device recovery.
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is no need to free/alloc host resources during firmware
recovery.
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Previously we were allocating device resources during probe and
release them during remove.
Now alloc during interface up and release in interface down.
This helps in device performance, as it doesn't need to keep
track of inactive resources.
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We first add mac address in driver local list and then send command to
fw to add same. There are checks in driver to ensure send command doesn't fail
before adding mac address in local list.
But instead fix should be:
Add mac address in fw and if it succeeds, add it in driver local list.
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of delaying rcv handshake till interface comes up,
do it just after fw load.
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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No need to maintian separate state for alloced and freed skb.
This can be done by null check.
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use u64_stats_sync infrastructure to provide 64bit rx/tx
counters even on 32bit hosts.
It is safe to use a single u64_stats_sync for rx and tx,
because BH is disabled on both, and we use per_cpu data.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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To properly implement 64bits network statistics on 32bit or 64bit hosts,
we provide one new type and four methods, to ease conversions.
Stats producer should use following template granted it already got an
exclusive access to counters (include/linux/u64_stats_sync.h contains
some documentation about details)
u64_stats_update_begin(&stats->syncp);
stats->bytes64 += len;
stats->packets64++;
u64_stats_update_end(&stats->syncp);
While a consumer should use following template to get consistent
snapshot :
u64 tbytes, tpackets;
unsigned int start;
do {
start = u64_stats_fetch_begin(&stats->syncp);
tbytes = stats->bytes64;
tpackets = stats->packets64;
} while (u64_stats_fetch_retry(&stats->lock, syncp));
Suggested by David Miller, and comments courtesy of Nick Piggin.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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netif_needs_gso() is checked twice in the TX path once,
before submitting the skb to the qdisc and once after
it is dequeued from the qdisc just before calling
ndo_hard_start(). This opens a window for a user to
change the gso/tso or tx checksum settings that can
cause netif_needs_gso to be true in one check and false
in the other.
Specifically, changing TX checksum setting may cause
the warning in skb_gso_segment() to be triggered if
the checksum is calculated earlier.
This consolidates the netif_needs_gso() calls so that
the stack only checks if gso is needed in
dev_hard_start_xmit().
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix a typo in include/net/netlink.h
should be finalize instead of finanlize
Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Most of this workaround is necessary for all ICHx/PCH parts so one of
the two MAC-type checks can be removed.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@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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Originally it was thought there were issues with ICHx/PCH parts with packet
split when jumbo frames were enabled but in fact it is really only when
early-receive is enabled (via ERT register) on these parts. Use packet
split with jumbos but only when early-receive is not enabled.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@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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The PHY on 82577/82578 has issues when the registers on page 800 are
accessed when in gigabit mode. Do not clear the Wakeup Control register
when resetting the part since it is on page 800 (and will be cleared on
reset anyway).
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@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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Avoid touching hardware registers when possible, otherwise link negotiation
can get messed up when user-level scripts are rapidly polling the driver to
see if/when link is up. Use the saved link state information instead when
possible.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@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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There are few places where ANI is started without checking
if it is right to start. This might lead to a case where ani
timer would be left undeleted and cause improper memory acccess
during module unload. This bug is clearly exposed with
paprd support where the driver detects tx hang and does a
chip reset. During this reset ani is (re)started without checking
if it needs to be started. This would leave a timer scheduled
even after all the resources are freed and cause a panic.
This patch introduces a bit in sc_flags to indicate if ani
needs to be started in sw_scan_start() and ath_reset().
This would fix the following panic. This issue is easily seen
with ar9003 + paprd.
BUG: unable to handle kernel paging request at 0000000000003f38
[<ffffffff81075391>] ? __queue_work+0x41/0x50
[<ffffffff8106afaa>] run_timer_softirq+0x17a/0x370
[<ffffffff81088be8>] ? tick_dev_program_event+0x48/0x110
[<ffffffff81061f69>] __do_softirq+0xb9/0x1f0
[<ffffffff810ba060>] ? handle_IRQ_event+0x50/0x160
[<ffffffff8100af5c>] call_softirq+0x1c/0x30
[<ffffffff8100c9f5>] do_softirq+0x65/0xa0
[<ffffffff81061e25>] irq_exit+0x85/0x90
[<ffffffff8155e095>] do_IRQ+0x75/0xf0
[<ffffffff815570d3>] ret_from_intr+0x0/0x11
<EOI>
[<ffffffff812fd67b>] ? acpi_idle_enter_simple+0xe4/0x119
[<ffffffff812fd674>] ? acpi_idle_enter_simple+0xdd/0x119
[<ffffffff81441c87>] cpuidle_idle_call+0xa7/0x140
[<ffffffff81008da3>] cpu_idle+0xb3/0x110
[<ffffffff81550722>] start_secondary+0x1ee/0x1f5
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Probably little risk of namespace polution, but good practice... :-)
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Some vendors require the LED to be ON always irrespective of any
radio activity. Introducing a module parameter to disable blinking,
so that one can choose between always on or led blink during
activity.
Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Without this we could start trying to work with the device without
it being fully functional yet and loose some packets upon resume.
Cc: Aeolus Yang <aeolus.yang@atheros.com>
Cc: Madhan Jaganathan <madhan.jaganathan@atheros.com>
signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The array we use will vary depending on whether or not we are
to go to lower power or not. The default values (iniPcieSerdes)
are a copy or what go into the registers through the INI files.
Cc: Aeolus Yang <aeolus.yang@atheros.com>
Cc: Madhan Jaganathan <madhan.jaganathan@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This can be useful during testing of new ASPM tweaks which often
have to be done through the PCI Serializer-Deserializer (SERDES).
Cc: Aeolus Yang <aeolus.yang@atheros.com>
Cc: Madhan Jaganathan <madhan.jaganathan@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The LowPower array writes disables the PLL when ASPM is enabled.
The host driver makes quite a few calls to ath9k_hw_configpcipowersave()
and these same calls also need to ensure the PLL is off when they issue
it.
Cc: Aeolus Yang <aeolus.yang@atheros.com>
Cc: Madhan Jaganathan <madhan.jaganathan@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The AR_WA register should not be read when in sleep state so
add a variable we can stash its value into for when we need
to set it. Additionally the AR_WA_D3_TO_L1_DISABLE_REAL
(bit 16) needs to be removed.
Cc: Aeolus Yang <aeolus.yang@atheros.com>
Cc: Madhan Jaganathan <madhan.jaganathan@atheros.com>
signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Added 11d support for libertas driver using cfg80211. This is based on Holger
Shurig's initial work to add cfg80211 support libertas.
(https://patchwork.kernel.org/patch/64286/)
Please let us know, if there are any improvements comments.
Code is added to send 11d enable command to firmware while
initialisation and pass 11d specific information to firmware
when notifier handler is called by cfg80211.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kiran Divekar <dkiran@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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In following scenarios WARN_ON() in cfg80211 code was triggered.
a) Driver unload or card removal.
b) Disconnect from infra network
c) Adhoc start/join
d) Adhoc stop
Added following fixes to avoid WARN_ON() in cfg80211 code.
a) Ensured that cfg80211_disconnected() function defined in cfg80211
code will be called only in infra mode.
b) Solved timing issue by moving cfg80211_disconnected() call inside
lbs_cfg_disconnect().
c) Updated "wdev->ssid" in driver code after Adhoc join/start
d) Removed unnecessory cfg80211_disconnected() call in lbs_remove_card.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kiran Divekar <dkiran@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Holger Schurig's patch (https://patchwork.kernel.org/patch/64286/)
is rebased to latest wireless-testing tree.
(Includes patches from me originally posted as "libertas: fix build
error due to undefined symbol" and "libertas: unmangle capability
value". -- JWL)
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kiran Divekar <dkiran@marvell.com>
Tested-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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statistics
Disable statistics initialization for eth clients that do not support
statistics. This prevents memory corruption on bnx2x hw.
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
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