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SoftMAC contains a number of debug-type messages that continue to print
even when debugging is turned off. This patch substitutes dprintkl for
printkl for those lines.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
In the softmac version of bcm43xx, the core scan logs whether each core is
enabled or disabled. This information is useless as one of the next steps
is to enable all cores. This patch removes this output from the log.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
When the periodic work function in bcm43xx was converted for voluntary preemption
to reduce latency, a new function was created to estimate the "badness" of
each step, and this quantity was used to determine if preemption should be
enabled when periodic work was undertaken. This concept was quite useful
while debugging of periodic work was in progress. Now that this routine
seems to be working correctly, it is time to simplify the code. This
patch keeps the functionality intact, but simplifies the code.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Correct initial and close hardware step. In some embedded system down and up
IP100A will cause DMA crash. We add some for safe down and up IP100A.
Signed-off-by: Jesse Huang <jesse@icplus.com.tw>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
* genphy_update_link is now exported
* Added a fix from ncase@xes-inc.com which changes forcing so it
only updates the link. Otherwise, it never tries the lower
values, since it is always overwriting the speed/duplex values
with the current ones, rather than the intended ones.
* Fixed a bug where bringing up a PHY with no link caused it to
timeout, and enter forcing mode. Once in forcing mode,
plugging in the link didn't autonegotiate. Now the AN state
detects the lack of link, and enters the NO_LINK state. AN
only times out if the link is up and AN fails
* Cleaned up the PHY_AN case, reducing one level of indentation
for the timeout code.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Fix TX Pause bug (reset_tx, intr_handler). When MaxCollisions occurred, need
to re-enable Tx. But just after re-enable, MaxCollisions maybe occurred again
and with TxStatusOverflow. This will cause driver can't check new
MaxCollisions to re-enable Tx again, because TxStatusOverflow. For this
reason, after re-enable Tx, we need to make sure Tx was actually enabled.
Signed-off-by: Jesse Huang <jesse@icplus.com.tw>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
For patent issue need to remove TxStartThresh and RxEarlyThresh. This patent
is cut-through patent. If use this function, Tx will start to transmit after
few data be move in to Tx FIFO. We are not allow to use those function in
DFE530/DFE550/DFE580/DL10050/IP100/IP100A. It will decrease a little
performance.
Signed-off-by: Jesse Huang <jesse@icplus.com.tw>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Remove the code to change the E8390_CMD register from ei_watchdog().
The 8390-page is always 0 outside the spin_lock.
Signed-off-by: komurojun-mbn@nifty.com
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Add support for the new mcp67 device into forcedeth.
Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Add pci device ids for the NVIDIA MCP67 chip.
Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This patch adds support to recover from a previously fatal MAC error. In
the past the MAC would be hung on an internal fatal error. On new
chipsets, the MAC has the ability to enter a non-fatal state and allow
the driver to re-init it.
Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This patch adds support for the mgmt unit in certain chipsets. The MAC
and the mgmt unit share the PHY and therefore proper intialization
procedures are needed for them to maintain coexistense.
Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
The PDQ DMA engine requires a different byte-swapping mode for big-endian
hosts; also the MAC address which is read from a register through PIO has
to be byte-swapped. These changes have been verified with DEFPA-DC (PCI)
boards and a Broadcom BCM91250A (MIPS CPU based) host.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
hi,
replace open coded kmemdup() to save some screen space,
and allow inlining/not inlining to be triggered by gcc.
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Realtek's 8139/810x (0x8136) PCI-E comes with a touchy PHY.
A big heavy reset seems to calm it down.
Fix for http://bugzilla.kernel.org/show_bug.cgi?id=7378.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Darren Salt <linux@youmustbejoking.demon.co.uk>
Add a new dynamic itr algorithm, with 2 modes, and make it the default
operation mode. This greatly reduces latency and increases small packet
performance, at the "cost" of some CPU utilization. Bulk traffic
throughput is unaffected.
The driver can limit the amount of interrupts per second that the
adapter will generate for incoming packets. It does this by writing a
value to the adapter that is based on the maximum amount of interrupts
that the adapter will generate per second.
Setting InterruptThrottleRate to a value greater or equal to 100 will
program the adapter to send out a maximum of that many interrupts per
second, even if more packets have come in. This reduces interrupt
load on the system and can lower CPU utilization under heavy load,
but will increase latency as packets are not processed as quickly.
The default behaviour of the driver previously assumed a static
InterruptThrottleRate value of 8000, providing a good fallback value
for all traffic types,but lacking in small packet performance and
latency. The hardware can handle many more small packets per second
however, and for this reason an adaptive interrupt moderation algorithm
was implemented.
Since 7.3.x, the driver has two adaptive modes (setting 1 or 3) in
which it dynamically adjusts the InterruptThrottleRate value based on
the traffic that it receives. After determining the type of incoming
traffic in the last timeframe, it will adjust the InterruptThrottleRate
to an appropriate value for that traffic.
The algorithm classifies the incoming traffic every interval into
classes. Once the class is determined, the InterruptThrottleRate
value is adjusted to suit that traffic type the best. There are
three classes defined: "Bulk traffic", for large amounts of packets
of normal size; "Low latency", for small amounts of traffic and/or
a significant percentage of small packets; and "Lowest latency",
for almost completely small packets or minimal traffic.
In dynamic conservative mode, the InterruptThrottleRate value is
set to 4000 for traffic that falls in class "Bulk traffic". If
traffic falls in the "Low latency" or "Lowest latency" class, the
InterruptThrottleRate is increased stepwise to 20000. This default
mode is suitable for most applications.
For situations where low latency is vital such as cluster or
grid computing, the algorithm can reduce latency even more when
InterruptThrottleRate is set to mode 1. In this mode, which operates
the same as mode 3, the InterruptThrottleRate will be increased
stepwise to 70000 for traffic in class "Lowest latency".
Setting InterruptThrottleRate to 0 turns off any interrupt moderation
and may improve small packet latency, but is generally not suitable
for bulk throughput traffic.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Cc: Rick Jones <rick.jones2@hp.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Add a generic MSI interrupt routine that is IO read-free, speeding up
MSI interrupt handling.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
This file needs some cleanups and reordering - logically order it
so that relevant defines and code are together with properly quoted
defaults.
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Spec fix: don't set IDE unless we are actually setting the tx
int delay time.
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
ICH8 will soon be followed by newer chipsets bearing the same acronym,
thus we remove the '8' and make it independent of the version number in
the platform name.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Add a netif_wake/start_queue counter to the ethtool statistics to indicated
to the user that their transmit ring could be too small for their workload.
Signed-off-by: Jesse brandeburg <jesse.brandeburg@intel.com>
Cc: Jamal Hadi <hadi@cyberus.ca>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Add support for a Low Profile quad-port PCI-E adapter and 2 variants
of the ICH8 systems' onboard NIC's.
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
This memsetting was added in a paranoid rage debugging TX hangs, but
are no longer of importance. We can beef up the performance quite a
bit removing them. Make sure to fill in next_to_watch to allow this.
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Order pci-e capability struct according to bus/pci bus width ordering
preserving the hard pci spec numbers.
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
On ich systems during PHY power down to D3, the voltage regulators
were left on.
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
IA64 SMP systems were seeing TX issues with multiple cpu's attempting
to write tail registers unordered. This mmiowb() fixes the issue.
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Enable early receives on 82573 for jumbo frame performance. Jumbo's
are only supported on 82573L with ASPM disabled.
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Enable TSO for IPV6. All e1000 hardware supports it. This reduces CPU
utilizations by 50% when transmitting IPv6 frames.
Fix symbol naming enabling ipv6 TSO. Turn off TSO6 for 10/100.
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Remove debugging code disabling MULR (multiple reads). It's not usable
for a wide audience and there are no known problems with MULR right
now.
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Tested by Newsome on IRC
zd1211 chip 0586:3401 v4330 high 00-13-49 AL2230_RF pa0 g---
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch adds two new defines for the SIOCSIWMLME to cover all
kinds MLMEs (well, except REASSOC) through a ioctl.
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The current bcm43xx driver does not contain code to handle PCI-E interfaces
such as the BCM4311 and BCM4312. This patch, originally written by Stefano
Brivio adds the necessary code to enable these interfaces.
Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Output signal strength information as part of iwlist scan - before it did
not output any signal strength related information.
Signed-off-by: Holden Karau <holden@pigscanfly.ca>
Cc: Jean Tourrilhes <jt@hpl.hp.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
NET: prism54 - fix potential race in reset scheduling
There appears to be a race in reset scheduling logic - thread
responsible for reseting the interface should clear "reset
pending" flag before restarting the queue, otherwise timeout
handler might not schedule another reset even if it is needed.
This race is mostly theoretical as far as I can see but a race
nonetheless.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
NET: atmel - do not initialize array over and over again
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
In the SoftMAC version of the IEEE 802.11 stack, not all duplicate messages are
detected. For the most part, there is no difficulty; however for TKIP and CCMP
encryption, the duplicates result in a "replay detected" log message where the
received and previous values of the TSC are identical. This change adds a new
variable to the ieee80211_device structure that holds the 'seq_ctl' value for
the previous frame. When a new frame repeats the value, the frame is dropped and
the appropriate counter is incremented.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Hi
this patch allow to set the mtu between 1500 and 2304 (max octets in an
MSDU) for devices using ieee80211 linux stack.
Signed-off-by: Matthieu CASTET <castet.matthieu@free.fr>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch adds a host_strip_iv_icv flag to ieee80211 which indicates that
ieee80211_rx should strip the IV/ICV/other security features from the payload.
This saves on some memmove() calls in the driver and seems like something that
belongs in the stack as it can be used by bcm43xx, ipw2200, and zd1211rw
I will submit the ipw2200 patch separately as it needs testing.
This patch also adds some sensible variable reuse (idx vs keyidx) in
ieee80211_rx
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The bcm43xx-softmac driver fails to set two quantities needed for
iwlist to compute wireless quality when scanning. As a result, userland
programs using the quality to determine the best connection fail.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
