1) Forgotten counter incrementation in sis900_rx() in case
it doesn't get memory for skb, that leads to whole interface failure.
Problem is accompanied with messages:
eth0: Memory squeeze,deferring packet.
eth0: NULL pointer encountered in Rx ring, skipping
2) If counter cur_rx overflows and there'll be temporary memory problems
buffer can't be recreated later, when memory IS available.
3) Limit the work in handler to prevent the endless packets processing
if new packets are generated faster then handled.
Signed-off-by: Konstantin Khorenko <khorenko@sw.ru>
Signed-off-by: Vasily Averin <vvs@sw.ru>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This patch replaces current PowerPC 4xx EMAC driver with
new, re-written from the scratch version. This patch is quite big
(~234K) because there is virtualy 0% of common code between old and
new version.
New driver uses NAPI, it solves stability problems under heavy packet
load and low memory, corrects chip register access and fixes numerous
small bugs I don't even remember now.
This patch has been tested on all supported in 2.6 PPC 4xx boards.
It's been used in production for almost a year now on custom
4xx hardware. PPC32 specific parts are already upstream.
Patch was acked by the current EMAC driver maintainer (Matt Porter). I
will be maintaining this new version.
Signed-off-by: Eugene Surovegin <ebs@ebshome.net>
--
Kconfig | 72
ibm_emac/Makefile | 13
ibm_emac/ibm_emac.h | 418 +++--
ibm_emac/ibm_emac_core.c | 3414 ++++++++++++++++++++++++----------------------
ibm_emac/ibm_emac_core.h | 313 ++--
ibm_emac/ibm_emac_debug.c | 377 ++---
ibm_emac/ibm_emac_debug.h | 63
ibm_emac/ibm_emac_mal.c | 674 +++++----
ibm_emac/ibm_emac_mal.h | 336 +++-
ibm_emac/ibm_emac_phy.c | 335 ++--
ibm_emac/ibm_emac_phy.h | 105 -
ibm_emac/ibm_emac_rgmii.c | 201 ++
ibm_emac/ibm_emac_rgmii.h | 68
ibm_emac/ibm_emac_tah.c | 111 +
ibm_emac/ibm_emac_tah.h | 96 -
ibm_emac/ibm_emac_zmii.c | 255 +++
ibm_emac/ibm_emac_zmii.h | 114 -
17 files changed, 4114 insertions(+), 2851 deletions(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Under heavy PCI bus load, ports of the DFE-580TX 4-ethernet port board stop
working, with currently no other cure than a powercycle. Here is a tested
fix. By the way, I also fixed some references and attribution.
Signed-off-by: Philippe De Muyter <phdm@macqel.be>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
IXDP2x01 systems can be built without PCI network cards, so we should not
require NET_PCI to build CS89x0 on these systems.
Signed-off-by: Deepak Saxena <dsaxena@plexity.net>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
If the interface is not used right away after being probed it wastes
power needlessly. Noted by Holger Schurig.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Here is a patch that changes the way the MAC filter is computed for the
multicast addresses. The computation is taken from the SiS GPL driver.
This patch is necessary to get IPv6 working.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Looks like someone used the MII constants instead of the ethtool constants.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
The documentation about s2io is available at
Documentation/networking/s2io.txt.
Signed-off-by: Akinobu Mita <mita@miraclelinux.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
prism54 is leaking information when passing transmits to the firmware.
There is no requirement to adjust the length to >= ETH_ZLEN.
Just pass the skb length (after possible adjustment).
Signed-off-by: Roger While <simrw@sim-basis.de>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Some older DL10019 based cards need to setup
the auto-negotiation-advertisement register
to advertise 100Full,100Half,10Full and 10Half.
Signed-off-by: <komurojun-mbn@nifty.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This patch fixes a bug that happens when the hypervisor can't add a
buffer. The old code wrote IBM_VETH_INVALID_MAP into the free_map
array, so next time the index was used, a ibmveth_assert() caught it and
called BUG(). The patch writes the right value into the free_map array
so that the index can be reused.
Signed-off-by: Santiago Leon <santil@us.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This patch adds the lockless TX feature to the ibmveth driver. The
hypervisor has its own locking so the only change that is necessary is
to protect the statistics counters.
Signed-off-by: Santiago Leon <santil@us.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This patch removes the allocation of RX skb's buffers from a workqueue
to be called directly at RX processing time. This change was suggested
by Dave Miller when the driver was starving the RX buffers and
deadlocking under heavy traffic:
> Allocating RX SKBs via tasklet is, IMHO, the worst way to
> do it. It is no surprise that there are starvation cases.
>
> If tasklets or work queues get delayed in any way, you lose,
> and it's very easy for a card to catch up with the driver RX'ing
> packets very fast, no matter how aggressive you make the
> replenishing. By the time you detect that you need to be
> "more aggressive" it is already too late.
> The only pseudo-reliable way is to allocate at RX processing time.
>
Signed-off-by: Santiago Leon <santil@us.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This patch changes the way the ibmveth driver handles the receive
buffers. The old code mallocs and maps all the buffers in the pools
regardless of MTU size and it also limits the number of buffer pools to
three. This patch makes the driver malloc and map the buffers necessary
to support the current MTU. It also changes the hardcoded names of the
buffer pool number, size, and elements to arrays to make it easier to
change (with the hope of making them runtime parameters in the future).
Signed-off-by: Santiago Leon <santil@us.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This patch updates dev->trans_start and dev->last_rx so that the ibmveth
driver can be used with the ARP monitor in the bonding driver.
Signed-off-by: Santiago Leon <santil@us.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Update version and reldate and add more sanity checking to
tg3_set_settings().
Signed-off-by: Gary Zambrano <zambrano@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Change the ASF heart beat to 5 seconds for faster detection of system
crash. The driver sends the heartbeat every 2 seconds and the ASF
firmware will timeout and reset the device if no heartbeat is received
after 5 seconds. The old scheme of 2 minutes is ineffective.
tg3_write_mem_fast() is added to speed up the IO to send the heartbeat.
When no workaround is needed, it will use direct MMIO to memory space
to write to memory.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Add complete support for 5714/5715. These chips are very similar to
5780 so the changes are very trivial. A TG3_FLG2_5780_CLASS flag is
added to identify these chips.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
In PM v1, all devices were called at SUSPEND_DISABLE level. Then
all devices were called at SUSPEND_SAVE_STATE level, and finally
SUSPEND_POWER_DOWN level. However, with PM v2, to maintain
compatibility for platform devices, I arranged for the PM v2
suspend/resume callbacks to call the old PM v1 suspend/resume
callbacks three times with each level in order so that existing
drivers continued to work.
Since this is obsolete infrastructure which is no longer necessary,
we can remove it. Here's an (untested) patch to do exactly that.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
The previous patch adding the ability to nest struct class_device
changed the paramaters to the call class_device_create(). This patch
fixes up all in-kernel users of the function.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Patch from Nicolas Pitre
This is the PXA2xx common IRDA driver, plus platform support
for Lubbock and Mainstone.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Acked-by: Jean Tourrilhes <jt@hpl.hp.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Patch from Jon Ringle
This patch gives support for the CS8900A ethernet chip on the Comdial MP1000
Signed-off-by: Jon Ringle
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
EBSA110 only requires hardware.h to be included for a couple of
files. Move the include there.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
There has been a need expressed for dma_addr_t to be 64 bits on PPC64.
This patch does that.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Just set the name field directly in the device_driver structure
contained in the vio_driver struct.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
add netpoll support
Patch by Sven Schnelle <svens@gmx.de>
Signed-off-by: Sven Schnelle <svens@gmx.de>
Signed-off-by: Helge Deller <deller@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Convert pa_dev->hpa from an unsigned long to a struct resource.
Signed-off-by: Matthew Wilcox <willy@parisc-linux.org>
Fix up users of ->hpa to use ->hpa.start instead.
Signed-off-by: Matthew Wilcox <willy@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Make /sys/bus/parisc/drivers look better by cleaning up parisc_driver
names.
Signed-off-by: Matthew Wilcox <willy@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Improve sb1250-mac driver to probe for PHYs at addresses other
than 1, such as the PHYs on BigSur.
Signed-Off-By: Andy Isaacson <adi@broadcom.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Driver version, white space, comments, device id & other
Originally posted on 8/31 (and perhaps before)...I think it has not
been committed because the patch from that posting was damaged. I'm
reposting to make sure it gets in... :-)
Signed-off-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Signed-off-by: Ganesh Venkatesan <ganesh.venkatesan@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Include MII address 0 at the end of the PHY scan. This covers the
entire range of possible MII addresses.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Brice Goglin <Brice.Goglin@ens-lyon.org> reports a printk storm from this
driver. Fix.
Acked-by: David Gibson <hermes@gibson.dropbear.id.au>
Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Expand the mask used when reseting the chip to include the GlobalReset
bit. This fix comes from ICPlus and seems to be required for some
cards.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Remove an if (1) { ... } block in sundance_probe1. Its purpose seems
to be only to allow for delaring some extra local variables. But, it also
adds ugly indentation without adding any meaning to the code.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Checking the skb->len value before calling skb_padto is redundant.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This is a (final?) hack to support the odd DMA allocation requirements
of the b44 hardware. The b44 hardware has a 30-bit DMA mask. On x86,
anything less than a 32-bit DMA mask forces allocations into the 16MB
GFP_DMA range. The memory there is somewhat limited, often resulting
in an inability to initialize the b44 driver.
This hack uses streaming DMA allocation APIs in order to provide an
alternative in case the GFP_DMA allocation fails. It is somewhat ugly,
but not much worse than the similar existing hacks to support SKB
allocations in the same driver. FWIW, I have received positive
feedback on this from several Fedora users.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Expand comment explaining MAC address selection for replicated IGMP
frames transmitted in bonding mode 1 (active-backup). Also, a small
whitespace cleanup.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Add "HasHltClk" flag for RTL-8100B/8139D hardware in order to fix
problems resuming from suspend-to-RAM.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
work_done is overwritten each time through the rx_action loop in
epic_poll. This screws-up the NAPI accounting if the loop is executed
more than once.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Get rid of the mdelay call in rhine_disable_linkmon. The function
is called from the via-rhine versions of mdio_read and mdio_write.
Those functions are indirectly called from rhine_check_media and
rhine_tx_timeout, both of which can be called in interrupt context.
So, create tx_timeout_task and check_media_task as instances of struct
work_struct inside of rhine_private. Then, change rhine_tx_timeout to
invoke schedule_work for tx_timeout_task (i.e. rhine_tx_timeout_task),
moving the work to process context. Also, change rhine_error (invoked
from rhine_interrupt) to invoke schedule_work for check_media_task
(i.e. rhine_check_media_task), which simply calls rhine_check media
in process context. Finally, add a call to flush_scheduled_work in
rhine_close to avoid any resource conflicts with pending work items.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
drivers/net/e1000/e1000_main.c: In function `e1000_intr':
drivers/net/e1000/e1000_main.c:3156: error: `i' undeclared (first use in this function)
drivers/net/e1000/e1000_main.c:3156: error: (Each undeclared identifier is reported only once
drivers/net/e1000/e1000_main.c:3156: error: for each function it appears in.)
This function is foul.
Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
These should really be addresses obtained with ioremap() or some
bus-specific backend, but for now...
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
drivers/net/declance.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
o Add support for DP83847 MII.
o remove unused variable.
o Add some initialisations so even an unknown MII won't result in a crash.
o Correct error message to "no known MIIs found".
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
drivers/net/au1000_eth.c | 13 +++++--------
1 files changed, 5 insertions(+), 8 deletions(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
If .owner isn't set the module can be unloaded even while still active.
Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
SMACK (Stuttgart Modified Amateurradio CRC KISS) is a KISS variant that
uses CRC16 checksums to secure data transfers between the modem and host.
It's also used to communicate over a pty to applications such as Wampes.
Patches for Linux 2.4 by Thomas Osterried DL9SAU, upgraded to the latest
mkiss 2.6 mkiss driver by me.
Signed-off-by: Thomas Osterried DL9SAU <thomas@x-berg.in-berlin.de>
Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
From Suzanne Wood <suzannew@cs.pdx.edu>:
Clarify RCU implementation in bpqether.c.
Because bpq_new_device() calls list_add_rcu() and bpq_free_device() calls
list_del_rcu(), substitute list_for_each_entry_rcu() for
list_for_each_entry() in bpq_get_ax25_dev() and in bpq_seq_start().
Add rcu dereference protection in bpq_seq_next().
The rcu_read_lock()/unlock() in bpq_device_event() are removed because
netdev event handlers are called with RTNL locking in place.
FYI: bpq_free_device() calls list_del_rcu() which, per list.h, requires
synchronize_rcu() which can block or call_rcu() or call_rcu_bh() which
cannot block. Herbert Xu notes that synchronization is done here by
unregister_netdevice(). This calls synchronize_net() which in turn uses
synchronize_rcu().
Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This patch fixes the following bugs with offline diagnostics
code(run with "ethtool -t").
1. After running offline diagnostics, adapter would report
corrupted packets on receive. This was because of adapter not
being brought out of "RLDRAM test mode".
2. Current EEPROM test works only for Xframe I. Since Xframe II
uses different interface(SPI), support for this interface has
been added. Also, since SPI supports write access to all areas
of EEPROM, negative testing is done only for Xframe I.
3. Return values from subfunctions of offline diagnostics have
been corrected.
4. In register test, expected value from rx_queue_cfg register
is made to depend on adapter type.
5. After the test, need to restore values at EEPROM offsets
0x4F0 and 0x7F0. These locations were modified as part of test.
6. Use macro SPECIAL_REG_WRITE for write access to mc_rldram_test_ctrl
register. Also, couple of unnecessary writes to mc_rldram_test_ctrl
have been removed.
Signed-off-by: Ravinandan Arakali <ravinandan.arakali@neterion.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
The aironet PCI driver has a build dependency on ISA that prevent the
driver to compile on systems that doesn't support ISA, like x86_64. The
driver really doesn't depend on ISA, it does some ISA stuff in the
initialization code, since the driver supports both ISA and PCI cards. So
the driver should depend on ISA_DMA_API to build on all systems, and this
will not hurt PCI at all.
Signed-off-by: Matteo Croce <3297627799@wind.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
The only real user of this file outside platforms/iseries was
drivers/net/iseries_veth.c but all it wanted was ISERIES_HV_ADDR()
so we move that to abs_addr.h (and lowercase it).
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
for certain NICs
Reverting 685fac63f5:
> [PATCH] e100: CPU cycle saver microcode
>
>
> Add cpu cycle saver microcode to 8086:{1209/1229} other than ICH devices.
>
> Signed-off-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
> Signed-off-by: Ganesh Venkatesan <ganesh.venkatesan@intel.com>
> Signed-off-by: John Ronciak <john.ronciak@intel.com>
> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
- added typedef unsigned int __nocast gfp_t;
- replaced __nocast uses for gfp flags with gfp_t - it gives exactly
the same warnings as far as sparse is concerned, doesn't change
generated code (from gcc point of view we replaced unsigned int with
typedef) and documents what's going on far better.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Fix implicit nocast warnings in bonding code:
drivers/net/bonding/bond_main.c:1302:49: warning: implicit cast to nocast type
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
The orinoco driver can send uninitialized data exposing random pieces of
the system memory. This happens because data is not padded with zeroes
when its length needs to be increased.
Reported by Meder Kydyraliev <meder@o0o.nu>
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
On several failure exits in ibmtr we end up doing kfree() on dev->priv,
with dev allocated by alloc_trdev() and ->priv never reassigned.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Replicate IGMP frames across all slaves in activebackup mode. This
ensures fail-over is rapid for multicast traffic as well. Otherwise,
multicast traffic will be lost until the next IGMP membership report
poll timeout.
This is conceptually similar to the treatment of IGMP traffic in
bond_alb_xmit. In that case, IGMP traffic transmitted on any slave
is re-routed to the active slave in order to ensure that multicast
traffic continues to be directed to the active receiver.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Use the size of the target array for the length argument to strncpy
instead of the size of the source or a magic number.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Cisco Aironet doesn't resume properly from swsusp, because the resume
method confuses a PM_EVENT_* for a PCI power state. It thinks that it is
resuming from PCI_D1 and doesn't do the necessary initialization of the
card.
Signed-off-by: Michal Schmidt <xschmi00@stud.feec.vutbr.cz>
Flush shadow RAM to save updates to ASF related bits for 82573 controllers.
These bits are past the first 63 words of NVM.
Signed-off-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Signed-off-by: Ganesh Venkatesan <ganesh.venkatesan@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
added msleep_interruptible delay right before returning from diag_test to allow
the phy to recover from reset
Signed-off-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Signed-off-by: Ganesh Venkatesan <ganesh.venkatesan@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
