Eliminate special case tuning for PCI-Express. This code
causes receive hangs and doesn't help performance much anyway.
Signed-off-by: Stephen Hemminger <shemmnger@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Sometimes on dual port cards, one tx complete may cover both
ports. To handle that rearrange poll routine to lookup at
end.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Avoid possible race conditions when doing MTU and change and shutdown.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
I didn't like the name netif_rx_schedule_test(), in earlier patches
and changed to __netif_rx_schedule_prep to be more consistent.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Add support for Yukon-EC Ultra chip as implemented in SysKonnect's
driver version 8.26.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Changes to receive side processing:
* bigger receive ring
* clean up polling loop
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Fix issues with pause and flush. This code works on
all chip versions tested.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Eliminate special case for EC-A1. The overhead isn't so
great that having config option is worth it.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
drivers/net/dgrs.c: In function `dgrs_init_module':
drivers/net/dgrs.c:1598: `dgrs_pci_driver' undeclared (first use in this function)
Signed-off-by: Richard Knutsson <ricknu-0@student.ltu.se>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
ipw2100: Fix 'Driver using old /proc/net/wireless...' message
Wireless extensions moved the get_wireless_stats handler from being
in net_device into wireless_handler.
A prior instance of this patch resolved the issue for the ipw2200.
This one fixes it for the ipw2100.
Signed-off-by: Benoit Boissinot <benoit.boissinot@ens-lyon.org>
Signed-off-by: James Ketrenos <jketreno@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Change CONFIG_FEC_8XX to depend on CONFIG_8xx instead of CONFIG_FEC.
CONFIG_FEC depends on ColdFire CPUs, which does not apply for the
PPC 8xx processors.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The way the hardware and firmware work is that there is one shared RX
queue and IRQ for a number of different network interfaces. Due to this,
we would like to process received packets for every interface in the same
NAPI poll handler, so we need a pseudo-device to schedule polling on.
What the driver currently does is that it always schedules polling for
the first network interface in the list, and processes packets for every
interface in the poll handler for that first interface -- however, this
scheme breaks down if the first network interface happens to not be up,
since netif_rx_schedule_prep() checks netif_running().
sky2 apparently has the same issue, and Stephen Hemminger suggested a
way to work around this: create a variant of netif_rx_schedule_prep()
that does not check netif_running(). I implemented this locally and
called it netif_rx_schedule_prep_notup(), and it seems to work well,
but it's something that probably not everyone would be happy with.
The ixp2000 is an ARM CPU with a high-speed network interface in the
CPU itself (full duplex 4Gb/s or 10Gb/s depending on the IXP model.)
The CPU package also contains 8 or 16 (again depending on the IXP
model) 'microengines', which are somewhat primitive but very fast
and efficient processor cores which can be used to offload various
things from the main CPU.
This driver makes the high-speed network interface in the CPU visible
and usable as a regular linux network device. Currently, it only
supports the Radisys ENP2611 IXP board, but adding support for other
board types should be fairly easy.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This seems to have gotten lost, so I'll resend.
Signed-off-by: Andy Fleming <afleming@freescale.com>
* Added sysfs support to gianfar for modifying FIFO and stashing parameters
* Updated driver to support 10 Mbit, full duplex operation
* Improved comments throughout
* Cleaned up and optimized offloading code
* Fixed a bug where rx buffers were being improperly mapped and unmapped
* (only manifested if cache-coherency was off)
* Added support for using the eTSEC exact-match MAC registers
* Bumped the version to 1.3
* Added support for distinguishing between reduced 100 and 10 Mbit modes
* Modified default coalescing values to lower latency
* Added documentation
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
hermas_bap_pread, hermes_bap_pwrite, and hermes_bap_pwrite_pad all have a parameter "len" that is declared unsigned,
but checked for a value less than zero. Auditing the callers, it is possible for len to be passed a negative value, so len should be an int.
Thanks to LinuxICC (http://linuxicc.sf.net)
Signed-off-by: Gabriel A. Devenyi <ace@staticwave.ca>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
In isl_38xx.c
In routine isl38xx_trigger-device
Move unnecessary udelay/register read.
This is only required when hand-compiling the driver and
setting VERBOSE > SHOW_ERROR_MESSAGES
Signed-off-by: Roger While <simrw@sim-basis.de>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This header file patch was missing from the recent SAA9730 patch.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This patch implements the UFO support in S2io driver. This patch uses the UFO
interface available in linux-2.6.15 kernel.
Signed-off-by: Ananda Raju <ananda.raju@neterion.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
For the four versions of hardware that we (currently) support microcode
download on, the default configuration of our receive interrupt mitigation
microcode was too aggressive, and caused unnecessary delays when pinging,
and low(er) throughput on single connection latency sensitive performance
tests.
This code adds microcode support, and sets the defaults to more reasonable
settings. It also explains the functionality in the code in more detail.
Compile and load tested, shows expected behavior for slight delay of ping
packets (1-2ms) when ucode is loaded, and decent interrupt moderation for
small packets, while maintaining good throughput.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
The smc91x driver relies upon register bank 2 being selected whenever
the interrupt handler is called. This isn't always so, especially if
we have a link change event during PHY configuration.
This results in register bank 0 being selected when the interrupt
handler is called, causing the wrong registers to be read for the
IRQ mask and status. In turn, this causes us to spin with a
permanently asserted IRQ.
The patch ensures that smc_phy_configure always exits with register
bank 2 selected.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Not only SMC_ACK_INT(IM_TX_EMPTY_INT) in in smc_hardware_send_pkt)
appears to be unnecessary (tested with an SMC91C94 and SMC91C111), but
it seems to trigger spurious interrupts on some machines as well.
Removed.
While at it, let's log any remaining spurious interrupts if any (and
clean usage of the max IRQ loop count value).
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This fixes a slab corruption issue in the ipw2200 driver: it essentially
multiplied the error log number _twice_ by the size of the error element
entry (once explicitly in the code, and once implicitly as part of the
regular pointer arithmetic).
Cc: Henrik Brix Andersen <brix@gentoo.org>
Cc: Bernard Blackham <bernard@blackham.com.au>
Cc: Zilvinas Valinskas <zilvinas@gemtek.lt>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
--
The function ipw_request_direct_scan() should bail out when the device
is down. This fixes a lockup caused by wpa_supplicant triggering
ipw_request_direct_scan() while the driver was in a middle of a reset
due to firmware errors.
Thanks to Zilvinas Valinskas for reporting the bug and helping me
debug it.
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
The capabilities of the 8169 can be disabled but it is hardly a reason
to prevent the use the device. The (so far) unusual behavior has been
reported on a MIPS platform by Yoichi Yuasa.
Spotted-by: Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
I keep on getting "printk: N messages suppressed" messages. We need to test
netif_msg_intr() _before_ running printk_ratelimit(), because the latter
updates state.
Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
I wanted to remove the #include "hostap_ioctl.c" from hostap.c and
build hostap_ioctl.c separately, but this doesn't work since hostap.c
has the same name as the module.
After renaming hostap.c this will be possible.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: Jouni Malinen <jkmaline@cc.hut.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Christophe Lucas <clucas@rotomalug.org>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Reading this driver I noticed some trailing whitespaces and tabs so I
removed them with some 80th column fitting and a few more similar
things.
Signed-off-by: Carlo Perassi <carlo@linux.it>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
"grep "lmc_prot\." -r ." didn't show anything.
lmc_proto.h seems to have the correct prototypes, and is actually used.
Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Making SkPciWriteCfgDWord a static inline produces a warning due to a
forward declaration in skdrv2nd.h. This patch removes that declaration.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
No external user and that small - such a function should be static
inline and not a global function.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
As we are currently unable to fix the problem with carrier and protocol
state signaling in net core I've to disable netif_carrier_off()
calls used by WAN protocol drivers. The attached patch should make
them working again.
The remaining netif_carrier_*() calls in hdlc_fr.c are fine as they
don't touch the physical device.
Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
