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There is bug that when you modify lacp_rate via sysfs,
802.3ad won't use the new value of lacp_rate to transmit packets.
This is because port->actor_oper_port_state isn't changed.
Signed-off-by: Weiping Pan <panweiping3@gmail.com>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Christian Benvenuti <benve@cisco.com>
Signed-off-by: Danny Guo <dannguo@cisco.com>
Signed-off-by: Vasanthy Kolluri <vkolluri@cisco.com>
Signed-off-by: Roopa Prabhu <roprabhu@cisco.com>
Signed-off-by: David Wang <dwang2@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of deriving the index of a transmit/receive interrupt resource
from the transmit/receive queue index, always save and retrieve it
using an additional variable.
Signed-off-by: Christian Benvenuti <benve@cisco.com>
Signed-off-by: Danny Guo <dannguo@cisco.com>
Signed-off-by: Vasanthy Kolluri <vkolluri@cisco.com>
Signed-off-by: Roopa Prabhu <roprabhu@cisco.com>
Signed-off-by: David Wang <dwang2@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Christian Benvenuti <benve@cisco.com>
Signed-off-by: Danny Guo <dannguo@cisco.com>
Signed-off-by: Vasanthy Kolluri <vkolluri@cisco.com>
Signed-off-by: Roopa Prabhu <roprabhu@cisco.com>
Signed-off-by: David Wang <dwang2@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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enic driver currently passes 802.1p bits to the upper layers for packets
tagged with non-zero vlan ids only. This patch extends such behaviour to
zero vlan tagged packets also.
The patch is dependant on the following kernel patches:
1) vlan_dev: VLAN 0 should be treated as "no vlan tag" (802.1p packet)
- net-next-2.6 git commit: ad1afb00393915a51c21b1ae8704562bf036855f
- Available 2.6.36 and later
2) vlan: Centralize handling of hardware acceleration.
- net-next-2.6 git commit: 3701e51382a026cba10c60b03efabe534fba4ca4
- Available 2.6.37 and later
Signed-off-by: Christian Benvenuti <benve@cisco.com>
Signed-off-by: Danny Guo <dannguo@cisco.com>
Signed-off-by: Vasanthy Kolluri <vkolluri@cisco.com>
Signed-off-by: Roopa Prabhu <roprabhu@cisco.com>
Signed-off-by: David Wang <dwang2@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Log:
drivers/net/xilinx_emaclite.c: In function 'xemaclite_open':
drivers/net/xilinx_emaclite.c:961: error: implicit declaration of function 'request_irq'
drivers/net/xilinx_emaclite.c: In function 'xemaclite_close':
drivers/net/xilinx_emaclite.c:995: error: implicit declaration of function 'free_irq'
make[2]: *** [drivers/net/xilinx_emaclite.o] Error 1
make[1]: *** [drivers/net] Error 2
make: *** [drivers] Error 2
Signed-off-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Perf shows a relatively high rate (about 8%) race in
spin_lock_irqsave() when doing netperf between external host and
guest. It's mainly becuase the lock contention between the
tun_do_read() and tun_xmit_skb(), so this patch do not put self into
waitqueue to reduce this kind of race. After this patch, it drops to
4%.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Amos Kong <akong@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Current standard practice is to not mark most functions as inline
and let compiler decide instead.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The tun driver allocates skb's to hold data from user and then passes
the data into the network stack as received data. Most network devices
allocate the receive skb with routines like dev_alloc_skb() that reserves
additional space for use by network protocol stack but tun does not.
Because of the lack of padding, when the packet is passed through bridge
netfilter a new skb has to be allocated.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Based on earlier patch from Neil Horman <nhorman@tuxdriver.com>
If iSCSI is not supported on a bnx2 device, bnx2_cnic_probe() will
return NULL and the cnic device will not be visible to bnx2i. This
will prevent bnx2i from registering and then unregistering during
cnic_start() and cause the warning message:
bnx2 0003:01:00.1: eth1: Failed waiting for ULP up call to complete
Signed-off-by: Michael Chan <mchan@broadcom.com>
Cc: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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During NETDEV_UP, we use symbol_get() to get the net driver's cnic
probe function. This sometimes doesn't work if NETDEV_UP happens
right after NETDEV_REGISTER and the net driver is still running module
init code. As a result, the cnic device may not be discovered. We
fix this by probing on all NETDEV events if the device's netif_running
state is up.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reduces the likelihood of port re-use when re-loading the driver.
Signed-off-by: Eddie Wai <eddie.wai@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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During iSCSI connection terminations, if the target is also terminating
at about the same time, the firmware may not complete the driver's
request to close or reset the connection. This is fixed by handling
other events (instead of the expected completion event) as an indication
that the driver's request has been rejected.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We need to keep looping until cnic_get_kcqes() returns 0. cnic_get_kcqes()
returns a maximum of 64 entries. If there are more entries in the queue
and we don't loop back, the remaining entries may not be serviced for a
long time.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Driver was already keeping 64 bit counters, just not using the new interface.
Ps: IMHO drivers should not be duplicating network device
stats into ethtool stats. It is useless duplication.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The device driver already uses 64 bit statistics, it just
doesn't use the 64 bit interface.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change to 64 bit statistics interface, driver was already maintaining 64 bit
value.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Not much change, device was already keeping per cpu statistics.
Use recent 64 statistics interface.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert vmxnet3 driver to 64 bit statistics interface.
This driver was already counting packet per queue in a 64 bit value so not
a huge change. Eliminate unused old net_device_stats structure.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Scott J. Goldman <scottjg@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This driver keeps stats in net_device stats therefore it
does not need to define it's own get_stats hook.
Also, use standard format for net_device_ops (without &).
Signed-off-by: Stephen Hemminger <shemminger@vyatta.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-next-2.6 into for-davem
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Fixes these errors after the removal of interrupt.h from netdevice.h:
drivers/net/ll_temac_main.c: In function 'temac_open':
drivers/net/ll_temac_main.c:859:2: error: implicit declaration of function 'request_irq'
drivers/net/ll_temac_main.c:870:2: error: implicit declaration of function 'free_irq'
drivers/net/ll_temac_main.c: In function 'temac_poll_controller':
drivers/net/ll_temac_main.c:903:2: error: implicit declaration of function 'disable_irq'
drivers/net/ll_temac_main.c:909:2: error: implicit declaration of function 'enable_irq'
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Padding per MSDU will affect the length of next packet and hence
the exact length of next packet is uncertain here.
Also, aggregation of transmission buffer, while downloading the
data to the card, wont gain much on the AMSDU packets as the AMSDU
packets utilizes the transmission buffer space to the maximum
(adapter->tx_buf_size).
Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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All MSDUs, except the last one in an AMSDU, should end up at 4
bytes boundary. There is need to check if enough skb_tailroom
space exists before padding the skb.
Also re-arranging code for better readablity.
Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The check of skb list empty before calling skb_peek and skb_dequeue is
redundant. These functions returns NULL if the list is empty.
Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Instead of counting the number of packets in txq
for particular RA list before AMSDU creation,
maintain a counter which will keep track of the
same.
This will reduce some MIPS while generating AMSDU
traffic as we only have to check the counter instead
of traversing through skb list.
Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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the code always returns ret regardless, so if(ret) check is unecessary.
Signed-off-by: Greg Dietsche <Gregory.Dietsche@cuw.edu>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Use less indentions and remove uneeded irq-save flags.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Adding new event that close RX BA session in case of periodic BT activity
limiting WLAN activity.
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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* remove interrupt.g inclusion from netdevice.h -- not needed
* fixup fallout, add interrupt.h and hardirq.h back where needed.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixed Rx pause counter for Lancer. Swapping hi and lo words.
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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the code always returns 'status' regardless, so if(status) check is unecessary.
Signed-off-by: Greg Dietsche <Gregory.Dietsche@cuw.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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enic driver gets MTU change notifications for MTU changes in the
port profile associated to a dynamic vnic. This patch adds support
in enic driver to set new MTU on the dynamic vnic and dynamically
adjust its buffers with new MTU size in response to such notifications.
Signed-off-by: Roopa Prabhu <roprabhu@cisco.com>
Signed-off-by: Vasanthy Kolluri <vkolluri@cisco.com>
Signed-off-by: David Wang <dwang2@cisco.com>
Signed-off-by: Christian Benvenuti <benve@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Stacking VLANs on top of the macvlan device does not
work if the lowerdev device is using vlan filters set
by NETIF_F_HW_VLAN_FILTER. Add ndo ops to pass vlan
calls to lowerdev.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Setting tx power can be deferred during scan or changing channel.
If after that correct tx power settings will not be sent to device,
we can observe transmission problems and timeouts. Force to send
tx power settings also after partial rxon change, to assure device
always be configured with up-to-date settings.
Resolves:
https://bugzilla.kernel.org/show_bug.cgi?id=36492
Cc: stable@kernel.org # 2.6.39+
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Avoid queue and run autowakeup_work when device is not present anymore.
That prevent rmmod and device remove crash introduced by:
commit 1c0bcf89d85cc97a0d9ce4cd909351a81fa4fdde
Author: Ivo van Doorn <ivdoorn@gmail.com>
Date: Sat Apr 30 17:18:18 2011 +0200
rt2x00: Add autowake support for USB hardware
Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch fixes 802.11n stability and performance regression we have
since 2.6.35. It boost performance on my 5GHz N-only network from about
5MB/s to 8MB/s. Similar percentage boost can be observed on 2.4 GHz.
These are test results of 5x downloading of approximately 700MB iso
image:
vanilla: 5.27 5.22 4.94 4.47 5.31 ; avr 5.0420 std 0.35110
patched: 8.07 7.95 8.06 7.99 7.96 ; avr 8.0060 std 0.055946
This was achieved with NetworkManager configured to do not perform
periodical scans, by configuring constant BSSID. With periodical scans,
after some time, performance downgrade to unpatched driver level, like
in example below:
patched: 7.40 7.61 4.28 4.37 4.80 avr 5.6920 std 1.6683
However patch still make better here, since similar test on unpatched
driver make link disconnects with below messages after some time:
wlan1: authenticate with 00:23:69:35:d1:3f (try 1)
wlan1: authenticate with 00:23:69:35:d1:3f (try 2)
wlan1: authenticate with 00:23:69:35:d1:3f (try 3)
wlan1: authentication with 00:23:69:35:d1:3f timed out
On 2.6.35 kernel patch helps against connection hangs with messages:
iwlagn 0000:20:00.0: queue 10 stuck 3 time. Fw reload.
iwlagn 0000:20:00.0: On demand firmware reload
iwlagn 0000:20:00.0: Stopping AGG while state not ON or starting
Cc: stable@kernel.org # 2.6.35+
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The AT91SAM9X5 SOCs have a similar CAN core, but they only have 8 compared
to 16 mailboxes on the AT91SAM9263 SOC. Another difference is that the bits
defining the state of the CAN core are cleared on read, thus the driver
has to derive the state by looking at the error counters.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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This patch prepares the driver for the at91sam9X5 processors,
which don't have the mb0 bug.
(See commit 3a5655a5b545e9647c3437473ee3d815fe1b9050 for more details.)
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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This is the second of two patches converting the at91_can driver from a
compile time mailbox setup to a dynamic one.
This patch first adds a id_table to the platform driver. Depending on the
driver_data the constants for the mailbox setup is selected. Then all
remaining prime mailbox constants are converted to functions, using the
run time selected mailbox constants.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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This is the first of two patches converting the at91_can driver from a
compile time mailbox setup to a dynamic one.
This patch converts all derived mailbox constants to functions.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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... and use it for AT91_NEXT_MB_MASK,
AT91_IRQ_MB_RX and AT91_IRQ_MB_RX, too.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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...instead of deriving it from AT91_MB_RX_FIRST and AT91_MB_RX_NUM.
This removes a level of computation, when switching the driver from
compile time constants to runtime values.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
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