Commit Graph

241 Commits

Author SHA1 Message Date
Ayaz Abdulla 4e16ed1b0e forcedeth: tx max work
This patch adds a limit to how much tx work can be done in each
iteration of tx processing. If the max limit is reached, remaining tx
completions will be handled by timer interrupt.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-05 16:58:48 -05:00
Ayaz Abdulla f0734ab658 forcedeth: irq data path optimization
This patch optimizes the irq data paths and cleans up the code.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-05 16:58:48 -05:00
Ayaz Abdulla b01867cbd1 forcedeth: rx data path optimization
This patch optimizes the rx data paths and cleans up the code.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-05 16:58:48 -05:00
Ayaz Abdulla 445583b89d forcedeth: tx data path optimization
This patch optimizes the tx data paths and cleans up the code (removes
vlan from descr1/2 since only valid for desc3, changes to make code
easier to read, etc).

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-05 16:58:48 -05:00
Ayaz Abdulla aaa37d2d09 forcedeth: tx limiting
This patch optimizes the logic for tx limiting. It adds a flag to check
on the completion side instead of recalculating the number of empty
slots. Also, it removes the fields that were previous used for limiting
since they have no value.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-05 16:58:48 -05:00
Ayaz Abdulla 86b22b0dfb forcedeth: optimized routines
This patch breaks up the routines into two versions, one for legacy
descriptor versions (ver 1 and ver 2) and one for desc ver 3. This will
make the new desc functions more leaner and further reductions will be
made in next few patches.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-05 16:58:48 -05:00
Ayaz Abdulla 0d63fb32b2 forcedeth: rx skb recycle
This patch removes the code that recycled the skb on error. This will
help in reducing the branches in the main data paths.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-05 16:58:46 -05:00
Ayaz Abdulla 164a86e40e forcedeth: tx locking
This patch reduces the amount of code within the lock to only the
critical sections.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-05 16:58:46 -05:00
Ayaz Abdulla 761fcd9e3e forcedeth: ring access
This patch modifys ring access by using pointers. This avoids computing
the current index and avoids accessing the base address of the rings.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-05 16:58:46 -05:00
Ayaz Abdulla d2f7841277 forcedeth: dma access
This patch allows the hardware to fetch the tx and rx ring descriptors
with 64 bytes per access instead of 32 bytes.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-05 16:58:46 -05:00
Arjan van de Ven 1d39ed565c remove NETIF_F_TSO ifdefery
Remove the NETIF_F_TSO #ifdef-ery in drivers/net; this was
for old-old-2.4 compat (even current 2.4 has NETIF_F_TSO)
but it's time to get rid of it by now.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-05 16:58:45 -05:00
Ayaz Abdulla f35723ec48 forcedeth: sideband management fix
This patch contains a fix that implements proper communication with the
sideband management unit. Also, it makes sure that the speed is
correctly set for gigabit phys in the case where sideband mgmt unit
initialized the phy. Refer to bug #7684 for more details.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-01-09 02:14:35 -05:00
Ayaz Abdulla 87046e5062 forcedeth: modified comment header
This patch removes comment that forcedeth is not supported by NVIDIA.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-12-26 16:50:57 -05:00
Francois Romieu d15e9c4d9a netpoll: drivers must not enable IRQ unconditionally in their NAPI handler
net/core/netpoll.c::netpoll_send_skb() calls the poll handler when
it is available. As netconsole can be used from almost any context,
IRQ must not be enabled blindly in the NAPI handler of a driver which
supports netpoll.

b57bd06655 fixed the issue for the
8139too.c driver.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-12-26 16:24:11 -05:00
Ayaz Abdulla f4344848f8 [PATCH] forcedeth: add support for new mcp67 device
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>
2006-12-02 00:12:02 -05:00
Ayaz Abdulla c5cf9101fe [PATCH] forcedeth: add recoverable error support
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>
2006-12-02 00:12:01 -05:00
Ayaz Abdulla 7e680c22c0 [PATCH] forcedeth: add mgmt unit support
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>
2006-12-02 00:12:01 -05:00
Francois Romieu a189317fa0 [PATCH] forcedeth: power management support
Tobias Diedrich <ranma@tdiedrich.de> sayeth:

Vanilla forcedeth doesn't seem to support suspend and an ifdown/up-cycle is
needed to get it working again after suspend.  Francois Romieu's "Awfully
experimental" patch is working just fine for me (with message signalled
interrupts disabled) and has survived quite a few suspend/resume cycles.

So I'd very much like to see (at least partial, with msi disabled)
suspend support for forcedeth in mainline.

(Addresses http://bugzilla.kernel.org/show_bug.cgi?id=6398)

Cc: Francois Romieu <romieu@fr.zoreil.com>
Cc; Jeff Garzik <jeff@garzik.org>
Cc: Manfred Spraul <manfred@colorfullife.com>
Cc: Ayaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-12-02 00:11:55 -05:00
Jeff Garzik 24fcbacedb Merge branch 'master' into upstream-fixes 2006-10-11 03:56:12 -04:00
David Howells 7d12e780e0 IRQ: Maintain regs pointer globally rather than passing to IRQ handlers
Maintain a per-CPU global "struct pt_regs *" variable which can be used instead
of passing regs around manually through all ~1800 interrupt handlers in the
Linux kernel.

The regs pointer is used in few places, but it potentially costs both stack
space and code to pass it around.  On the FRV arch, removing the regs parameter
from all the genirq function results in a 20% speed up of the IRQ exit path
(ie: from leaving timer_interrupt() to leaving do_IRQ()).

Where appropriate, an arch may override the generic storage facility and do
something different with the variable.  On FRV, for instance, the address is
maintained in GR28 at all times inside the kernel as part of general exception
handling.

Having looked over the code, it appears that the parameter may be handed down
through up to twenty or so layers of functions.  Consider a USB character
device attached to a USB hub, attached to a USB controller that posts its
interrupts through a cascaded auxiliary interrupt controller.  A character
device driver may want to pass regs to the sysrq handler through the input
layer which adds another few layers of parameter passing.

I've build this code with allyesconfig for x86_64 and i386.  I've runtested the
main part of the code on FRV and i386, though I can't test most of the drivers.
I've also done partial conversion for powerpc and MIPS - these at least compile
with minimal configurations.

This will affect all archs.  Mostly the changes should be relatively easy.
Take do_IRQ(), store the regs pointer at the beginning, saving the old one:

	struct pt_regs *old_regs = set_irq_regs(regs);

And put the old one back at the end:

	set_irq_regs(old_regs);

Don't pass regs through to generic_handle_irq() or __do_IRQ().

In timer_interrupt(), this sort of change will be necessary:

	-	update_process_times(user_mode(regs));
	-	profile_tick(CPU_PROFILING, regs);
	+	update_process_times(user_mode(get_irq_regs()));
	+	profile_tick(CPU_PROFILING);

I'd like to move update_process_times()'s use of get_irq_regs() into itself,
except that i386, alone of the archs, uses something other than user_mode().

Some notes on the interrupt handling in the drivers:

 (*) input_dev() is now gone entirely.  The regs pointer is no longer stored in
     the input_dev struct.

 (*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking.  It does
     something different depending on whether it's been supplied with a regs
     pointer or not.

 (*) Various IRQ handler function pointers have been moved to type
     irq_handler_t.

Signed-Off-By: David Howells <dhowells@redhat.com>
(cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
2006-10-05 15:10:12 +01:00
Peter Zijlstra 0a07bc645e [PATCH] forcedeth: hardirq lockdep warning
BUG: warning at kernel/lockdep.c:1816/trace_hardirqs_on() (Not tainted)

Call Trace:
 show_trace
 dump_stack
 trace_hardirqs_on
 :forcedeth:nv_nic_irq_other
 handle_IRQ_event
 __do_IRQ
 do_IRQ
 ret_from_intr
DWARF2 barf
 default_idle
 cpu_idle
 rest_init
 start_kernel
 _sinittext

These 3 functions nv_nic_irq_tx(), nv_nic_irq_rx() and nv_nic_irq_other()
are reachable from IRQ context and process context. Make use of the
irq-save/restore spinlock variant.

(Compile tested only, since I do not have the hardware)

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Dave Jones <davej@redhat.com>
Cc: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-05 06:48:25 -04:00
Jesper Juhl 46798c897e [PATCH] fix possible NULL ptr deref in forcedeth
There seems to be a possible NULL pointer deref bug in
drivers/net/forcedeth.c::nv_loopback_test().  If dev_alloc_skb() fails, the
next line will call skb_put() with a NULL first argument which it'll then
try to deref - kaboom: a NULL pointer deref.  Found by coverity (#1337).

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Cc: Ayaz Abdulla <aabdulla@nvidia.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Cc: Stephen Hemminger <shemminger@osdl.org>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-09-25 20:01:19 -04:00
Linus Torvalds a319a2773a Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (217 commits)
  net/ieee80211: fix more crypto-related build breakage
  [PATCH] Spidernet: add ethtool -S (show statistics)
  [NET] GT96100: Delete bitrotting ethernet driver
  [PATCH] mv643xx_eth: restrict to 32-bit PPC_MULTIPLATFORM
  [PATCH] Cirrus Logic ep93xx ethernet driver
  r8169: the MMIO region of the 8167 stands behin BAR#1
  e1000, ixgb: Remove pointless wrappers
  [PATCH] Remove powerpc specific parts of 3c509 driver
  [PATCH] s2io: Switch to pci_get_device
  [PATCH] gt96100: move to pci_get_device API
  [PATCH] ehea: bugfix for register access functions
  [PATCH] e1000 disable device on PCI error
  drivers/net/phy/fixed: #if 0 some incomplete code
  drivers/net: const-ify ethtool_ops declarations
  [PATCH] ethtool: allow const ethtool_ops
  [PATCH] sky2: big endian
  [PATCH] sky2: fiber support
  [PATCH] sky2: tx pause bug fix
  drivers/net: Trim trailing whitespace
  [PATCH] ehea: IBM eHEA Ethernet Device Driver
  ...

Manually resolved conflicts in drivers/net/ixgb/ixgb_main.c and
drivers/net/sky2.c related to CHECKSUM_HW/CHECKSUM_PARTIAL changes by
commit 84fa7933a3 that just happened to be
next to unrelated changes in this update.
2006-09-24 10:15:13 -07:00
Patrick McHardy 84fa7933a3 [NET]: Replace CHECKSUM_HW by CHECKSUM_PARTIAL/CHECKSUM_COMPLETE
Replace CHECKSUM_HW by CHECKSUM_PARTIAL (for outgoing packets, whose
checksum still needs to be completed) and CHECKSUM_COMPLETE (for
incoming packets, device supplied full checksum).

Patch originally from Herbert Xu, updated by myself for 2.6.18-rc3.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-09-22 14:53:53 -07:00
Jeff Garzik 7282d491ec drivers/net: const-ify ethtool_ops declarations
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-09-13 14:30:00 -04:00
Andy Gospodarek 2a2fc64481 [PATCH] cleanup unnecessary forcedeth printk
This removes unnecessary messages that show up every time I put my
ethernet card in promiscuous mode.  I'm already getting notification
from the networking layer, I don't need notification from the driver as
well.

There are probably other drivers that do this as well -- I'll look
around and see what I can find.

Signed-off-by: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-09-11 09:06:34 -04:00
Ayaz Abdulla f2ad2d9b65 [PATCH] forcedeth: decouple vlan and rx checksum dependency
This patch decouples the dependency between the rx checksum feature and
vlan feature. This is done by ignoring the checksum information if the
user has disabled rx checksum when vlan is enabled.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-09-06 10:57:37 -04:00
Ayaz Abdulla edf7e5ec99 [PATCH] forcedeth: errata for marvell phys
This patch addresses an errata found on certain marvell phys concerning
the reset of the BMCR phy register during phy reset.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-09-06 10:57:37 -04:00
Jeff Garzik 299176206b drivers/net: Remove deprecated use of pci_module_init()
From: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>

Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-08-19 17:48:59 -04:00
Stephen Hemminger e27cdba53b [PATCH] forcdeth: revised NAPI support
Revised version of the forcedeth NAPI support.
This version is based against netdev-2.6#upstream
(after the MAC patches from Ayaz today).

Can't use nv_disable_hw_interrupts because NAPI only wants to
mask off receive irq's and leave the others alone.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-08-08 23:47:59 -04:00
Ayaz Abdulla 5070d34084 [PATCH] forcedeth: mac address corrected
This patch will correct the mac address and set a flag to indicate that
it is already corrected in case nv_probe is called again. For example,
when you use kexec to restart the kernel.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-08-08 23:47:30 -04:00
Ayaz Abdulla f1489653e9 [PATCH] forcedeth: move mac address setup/teardown
This patch moves the mac address setup/teardown to the
nv_probe/nv_remove functions. This fixes WOL wakeup since on nv_close we
would reverse the mac address. Also, bonding driver will reset address
after nv_close is called.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-08-08 23:47:30 -04:00
Stephen Hemminger a8bed49ecf [PATCH] forcedeth: le32 annotation
Use __le32 to indicate byte order of hardware ring elements

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>

 drivers/net/forcedeth.c |   16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-07-29 01:29:30 -04:00
Stephen Hemminger f82a9352f6 [PATCH] forcedeth: coding style cleanups
Fix the coding style of the nForce Ethernet driver.
 - typedef's should not be used
 - variable names should not be capitialized
 - structure tags should be lower case
 - add whitespace near keywords
 - don't add paren's to switch cases
 - remove paren's from return
 - don't use __constant_ntohs unless necessary.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>

 drivers/net/forcedeth.c |  246 ++++++++++++++++++++++++------------------------
 1 file changed, 123 insertions(+), 123 deletions(-)
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-07-29 01:29:30 -04:00
Ayaz Abdulla 95d161cbab [PATCH] forcedeth: watermark fixup
This patch defines the watermark registers and fixes up the use of this
register.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-07-12 17:38:20 -04:00
Ayaz Abdulla 9744e218aa [PATCH] forcedeth: deferral fixup
This patch adds the definition for the deferral registers and fixes up
the use of these registers.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-07-12 17:38:20 -04:00
Herbert Xu 89114afd43 [NET] gso: Add skb_is_gso
This patch adds the wrapper function skb_is_gso which can be used instead
of directly testing skb_shinfo(skb)->gso_size.  This makes things a little
nicer and allows us to change the primary key for indicating whether an skb
is GSO (if we ever want to do that).

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-07-08 13:34:32 -07:00
Ingo Molnar 8688cfcebf [PATCH] lockdep: annotate forcedeth.c disable_irq()
nv_do_nic_poll() is called from timer softirqs, which has interrupts enabled,
but np->lock might also be taken by some other interrupt context.

The driver does disable_irq() to get around this problem, so annotate the
disable_irq()/enable_irq() calls for lockdep.

Has no effect on non-lockdep kernels.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Cc: Ayaz Abdulla <aabdulla@nvidia.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-07-03 15:27:10 -07:00
Andrew Morton 479ceddd7b [PATCH] forcedeth: typecast cleanup
Someone went nuts in there.

Cc: Ayaz Abdulla <aabdulla@nvidia.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-07-03 15:27:10 -07:00
Thomas Gleixner 1fb9df5d30 [PATCH] irq-flags: drivers/net: Use the new IRQF_ constants
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-07-02 13:58:51 -07:00
Herbert Xu 7967168cef [NET]: Merge TSO/UFO fields in sk_buff
Having separate fields in sk_buff for TSO/UFO (tso_size/ufo_size) is not
going to scale if we add any more segmentation methods (e.g., DCCP).  So
let's merge them.

They were used to tell the protocol of a packet.  This function has been
subsumed by the new gso_type field.  This is essentially a set of netdev
feature bits (shifted by 16 bits) that are required to process a specific
skb.  As such it's easy to tell whether a given device can process a GSO
skb: you just have to and the gso_type field and the netdev's features
field.

I've made gso_type a conjunction.  The idea is that you have a base type
(e.g., SKB_GSO_TCPV4) that can be modified further to support new features.
For example, if we add a hardware TSO type that supports ECN, they would
declare NETIF_F_TSO | NETIF_F_TSO_ECN.  All TSO packets with CWR set would
have a gso_type of SKB_GSO_TCPV4 | SKB_GSO_TCPV4_ECN while all other TSO
packets would be SKB_GSO_TCPV4.  This means that only the CWR packets need
to be emulated in software.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-23 02:07:29 -07:00
Adrian Bunk c7985051de [PATCH] make drivers/net/forcedeth.c:nv_update_pause() static
This patch makes the needlessly global nv_update_pause() static.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-06-22 23:31:06 -04:00
Herbert Xu 58dfd9c16e [FORCEDETH] Fix xmit_lock/netif_tx_lock after merge
There has been an update to the forcedeth driver that added a few new
uses of xmit_lock which is no longer meant to be used directly.  This
patch replaces them with netif_tx_lock_bh.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-20 17:57:28 -07:00
Linus Torvalds d0b952a983 Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (109 commits)
  [ETHTOOL]: Fix UFO typo
  [SCTP]: Fix persistent slowdown in sctp when a gap ack consumes rx buffer.
  [SCTP]: Send only 1 window update SACK per message.
  [SCTP]: Don't do CRC32C checksum over loopback.
  [SCTP] Reset rtt_in_progress for the chunk when processing its sack.
  [SCTP]: Reject sctp packets with broadcast addresses.
  [SCTP]: Limit association max_retrans setting in setsockopt.
  [PFKEYV2]: Fix inconsistent typing in struct sadb_x_kmprivate.
  [IPV6]: Sum real space for RTAs.
  [IRDA]: Use put_unaligned() in irlmp_do_discovery().
  [BRIDGE]: Add support for NETIF_F_HW_CSUM devices
  [NET]: Add NETIF_F_GEN_CSUM and NETIF_F_ALL_CSUM
  [TG3]: Convert to non-LLTX
  [TG3]: Remove unnecessary tx_lock
  [TCP]: Add tcp_slow_start_after_idle sysctl.
  [BNX2]: Update version and reldate
  [BNX2]: Use CPU native page size
  [BNX2]: Use compressed firmware
  [BNX2]: Add firmware decompression
  [BNX2]: Allow WoL settings on new 5708 chips
  ...

Manual fixup for conflict in drivers/net/tulip/winbond-840.c
2006-06-19 18:55:56 -07:00
Herbert Xu 932ff279a4 [NET]: Add netif_tx_lock
Various drivers use xmit_lock internally to synchronise with their
transmission routines.  They do so without setting xmit_lock_owner.
This is fine as long as netpoll is not in use.

With netpoll it is possible for deadlocks to occur if xmit_lock_owner
isn't set.  This is because if a printk occurs while xmit_lock is held
and xmit_lock_owner is not set can cause netpoll to attempt to take
xmit_lock recursively.

While it is possible to resolve this by getting netpoll to use
trylock, it is suboptimal because netpoll's sole objective is to
maximise the chance of getting the printk out on the wire.  So
delaying or dropping the message is to be avoided as much as possible.

So the only alternative is to always set xmit_lock_owner.  The
following patch does this by introducing the netif_tx_lock family of
functions that take care of setting/unsetting xmit_lock_owner.

I renamed xmit_lock to _xmit_lock to indicate that it should not be
used directly.  I didn't provide irq versions of the netif_tx_lock
functions since xmit_lock is meant to be a BH-disabling lock.

This is pretty much a straight text substitution except for a small
bug fix in winbond.  It currently uses
netif_stop_queue/spin_unlock_wait to stop transmission.  This is
unsafe as an IRQ can potentially wake up the queue.  So it is safer to
use netif_tx_disable.

The hamradio bits used spin_lock_irq but it is unnecessary as
xmit_lock must never be taken in an IRQ handler.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17 21:30:14 -07:00
Ayaz Abdulla c99ce7ee75 [PATCH] forcedeth: new device ids
This patch contains new device ids for forcedeth ethernet.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-06-11 09:25:16 -04:00
Ayaz Abdulla ebe611a483 [PATCH] forcedeth config: version
This patch bumps up the version number for config support.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-06-11 09:25:16 -04:00
Ayaz Abdulla 69fe3fd7b1 [PATCH] forcedeth config: module parameters
This patch adds (and modifies) module parameter support.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-06-11 09:25:16 -04:00
Ayaz Abdulla 9589c77a0d [PATCH] forcedeth config: diagnostics
This patch adds support for diagnostic tests through ethtool support.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-06-11 09:25:16 -04:00
Ayaz Abdulla 7a1854b797 [PATCH] forcedeth config: move functions
This patch moves a few functions (no logic change) so that the next
patch has these functions defined.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-06-11 09:25:16 -04:00
Ayaz Abdulla 52da35789c [PATCH] forcedeth config: statistics
This patch exposes hardware statistic counters through ethtool support.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-06-11 09:25:16 -04:00
Ayaz Abdulla 5ed2616f62 [PATCH] forcedeth config: csum
This patch allows for configurable rx and tx checksum offloads through
ethtool support.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-06-11 09:25:15 -04:00
Ayaz Abdulla c42d9df932 [PATCH] forcedeth config: wol
This patch fixes configuration bugs when modifying wol settings.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-06-11 09:25:15 -04:00
Ayaz Abdulla f9430a015a [PATCH] forcedeth config: phy
This patch fixes configuration bugs when modifying phy settings.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-06-11 09:25:15 -04:00
Ayaz Abdulla b6d0773fa7 [PATCH] forcedeth config: flow control
This patch allows for configurable flow control through ethtool support.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-06-11 09:25:15 -04:00
Ayaz Abdulla eafa59f6bc [PATCH] forcedeth config: ring sizes
This patch allows for configurable ring size through ethtool support.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-06-11 09:25:15 -04:00
Ayaz Abdulla 6a78814f6c [PATCH] forcedeth config: tso cleanup
There are a series of patches for configuration support in forcedeth and
one patch for device ids.

This patch is a cleanup of the a previous TSO patch.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-06-11 09:25:15 -04:00
Jeff Garzik d15a88fc21 Merge branch 'master' into upstream 2006-06-08 15:24:46 -04:00
Zachary Amsden 0674d594ad [PATCH] Implement get / set tso for forcedeth driver
From: Zachary Amsden <zach@vmware.com>

Signed-off-by: Zachary Amsden <zach@vmware.com>
Cc: Ayaz Abdulla <aabdulla@nvidia.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-05 12:29:16 -07:00
Jeff Garzik f3b197ac26 [netdrvr] trim trailing whitespace: 8139*.c, epic100, forcedeth, tulip/* 2006-05-26 21:39:03 -04:00
Ayaz Abdulla eb91f61b22 [PATCH] forcedeth: add support for flow control
This patch adds flow control support for tx and rx pause frames in
forcedeth.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-05-26 21:37:54 -04:00
Ayaz Abdulla 84b3932bf0 [PATCH] forcedeth: fix multi irq issues
With Manfred Spraul <manfred@colorfullife.com> and
     Andrew Morton <akpm@osdl.org>

Bring back this recently-reverted patch, only fixed.

Original changelog:

    From: Ayaz Abdulla <aabdulla@nvidia.com>

    This patch fixes the issues with multiple irqs.

    I am resending based on feedback. I decoupled the dma mask for
    consistent memory and fixed leak with multiple irq in error path.

    Thanks to Manfred for catching the spin lock problem.

Fix it:

    From: Manfred Spraul <manfred@colorfullife.com>

    Fix bug introduced by ebf34c9b6f, covered in
    http://bugzilla.kernel.org/show_bug.cgi?id=6568.

    Remove second instance of the request_irq() calls: they were moved
    from nv_open into nv_request_irq.

    Thanks to Alistair Strachan <alistair@devzero.co.uk> for reporting and
    persisting.

Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: Manfred Spraul <manfred@colorfullife.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-05-21 12:59:16 -07:00
Andrew Morton f34ba4e1ed [PATCH] revert "forcedeth: fix multi irq issues"
Revert ebf34c9b6f.  Maybe.  Due to crashes
at shutdown - see http://bugzilla.kernel.org/show_bug.cgi?id=6568.

Cc: Ayaz Abdulla <aabdulla@nvidia.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-05-20 00:13:05 -04:00
Ayaz Abdulla ebf34c9b6f forcedeth: fix multi irq issues
This patch fixes the issues with multiple irqs.

I am resending based on feedback. I decoupled the dma mask for
consistent memory and fixed leak with multiple irq in error path.

Thanks to Manfred for catching the spin lock problem.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>
2006-05-02 15:26:06 -04:00
Ayaz Abdulla 86a0f04387 [PATCH] forcedeth: fix initialization
This patch fixes the nic initialization. If the nic was in low power
mode, it brings it back to normal power. Also, it utilizes a new
hardware reset during the init.

I am resending based on feedback, I corrected the register size mapping
and delay after posted write.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-04-26 06:19:46 -04:00
Matthias Gehre 910638ae7e [PATCH] Replace 0xff.. with correct DMA_xBIT_MASK
Replace all occurences of 0xff..  in calls to function pci_set_dma_mask()
and pci_set_consistant_dma_mask() with the corresponding DMA_xBIT_MASK from
linux/dma-mapping.h.

Signed-off-by: Matthias Gehre <M.Gehre@gmx.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28 09:16:07 -08:00
Ayaz Abdulla d33a73c812 [PATCH] forcedeth: Add support for MSI/MSIX
This forcedeth patch adds support for MSI/MSIX interrupts.

Signed-off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2006-02-20 05:59:18 -05:00
Ayaz Abdulla 0832b25a75 [PATCH] forcedeth: Add support for 64bit rings
This forcedeth patch adds high dma support for tx/rx rings.

Signed-off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2006-02-20 05:59:18 -05:00
Ayaz Abdulla ee407b02f3 [PATCH] forcedeth: Add vlan support
This forcedeth patch adds support for vlan stripping/inserting in hardware.

Signed-off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2006-02-20 05:59:18 -05:00
Ayaz Abdulla fa45459e5e [PATCH] forcedeth: TSO fix for large buffers
This contains a bug fix for large buffers.  Originally, if a tx buffer to
be sent was larger then the maximum size of the tx descriptor, it would
overwrite other control bits.  In this patch, the buffer is split over
multiple descriptors.  Also, the fragments are now setup in forward order.

Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2006-01-09 10:54:48 -05:00
Manfred Spraul 1836098f97 [PATCH] forcedeth: fix random memory scribbling bug
Two critical bugs were found in forcedeth 0.47:
 - TSO doesn't work.
 - pci_map_single() for the rx buffers is called with size==0.  This bug
   is critical, it causes random memory corruptions on systems with an
   iommu.

Below is a minimal fix for both bugs, for 2.6.15.

TSO will be fixed properly in the next version.  Tested on x86-64.

Signed-Off-By: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-12-24 11:53:32 -08:00
Ayaz Abdulla 7a33e45a24 [netdrvr forcedeth] phy address scan range
Added phy address 0 to the phy scan.

Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>
2005-11-11 08:31:11 -05:00
Ayaz Abdulla a971c32488 [netdrvr forcedeth] support for irq mitigation
This patch contains support for different modes of interrupt mitigation
of forcedeth. It includes changes based on Jeff's comments. Currently,
the modes are changed through module parameters since ethtool does not
support something similar.

Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>
2005-11-11 08:30:38 -05:00
Ayaz Abdulla 4ea7f299bb [netdrvr forcedeth] remove superfluous rx engine stop/start
Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>
2005-11-11 08:29:59 -05:00
Ayaz Abdulla ac9c18974f [netdrvr forcedeth] scatter gather and segmentation offload support
also:
- eliminate use of pointless get_nvpriv() wrapper,
  and use netdev_priv() directly.
- use NETDEV_TX_xxx return codes
2005-10-26 00:51:24 -04:00
Manfred Spraul 8a4ae7f2e2 forcedeth: add hardware tx checksumming
Recent forcedeth nics support checksum offloading for tx.

The attached patch, written by Ayaz Abdulla, adds the support to the
driver.

It also cleans up the handling of the three dma ring entry formats that
are supported by the driver.

Signed-off-By: Manfred Spraul <manfred@colorfullife.com>
Signed-off-By: Jeff Garzik <jgarzik@pobox.com>
2005-09-21 23:22:10 -04:00
John W. Linville c704b8566b [PATCH] forcedeth: support ETHTOOL_GPERMADDR
Add support for ETHTOOL_GPERMADDR to forcedeth.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2005-09-14 08:29:32 -04:00
viro@ftp.linux.org.uk 25097d4bda [PATCH] __user annotations (forcedeth.c)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2005-09-06 22:17:12 -04:00
Manfred Spraul 1b1b3c9b6d [PATCH] forcedeth: Initialize link settings in every nv_open()
Rdiger found a bug in nv_open that explains some of the reports
with duplex mismatches:
nv_open calls nv_update_link_speed for initializing the hardware link speed
registers. If current link setting matches the values in np->linkspeed and
np->duplex, then the function does nothing.
Usually, doing nothing is the right thing, but not in nv_open: During
nv_open, the registers must be initialized because the nic was reset.

The attached patch fixes that by setting np->linkspeed to an invalid value
before calling nv_update_link_speed from nv_open.

Signed-Off-By: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2005-08-19 02:12:16 -04:00
Manfred Spraul b3df9f813b [PATCH] forcedeth: write back original mac address during ifdown
This is a multi-part message in MIME format.
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2005-07-31 12:59:57 -04:00
Manfred Spraul 72b3178257 [PATCH] forcedeth: Add set_mac_address support
This is a multi-part message in MIME format.
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2005-07-31 12:59:57 -04:00
Manfred Spraul ee73362cdd [PATCH] forcedeth: 64-bit DMA support
This is a multi-part message in MIME format.
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2005-07-31 12:59:56 -04:00
Manfred Spraul c2dba06dae [PATCH] forcedeth: rewritten tx irq handling
This is a multi-part message in MIME format.
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2005-07-31 12:59:56 -04:00
Manfred Spraul dc8216c192 [PATCH] forcedeth: Improve ethtool support
This is a multi-part message in MIME format.
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2005-07-31 12:59:56 -04:00
Manfred Spraul d81c0983de [PATCH] forcedeth: Jumbo Frame Support
This is a multi-part message in MIME format.
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2005-07-31 12:59:56 -04:00
Manfred Spraul f49d16ef2d [PATCH] forcedeth: Add support for new device id
This is a multi-part message in MIME format.
2005-06-27 00:08:29 -04:00
Manfred Spraul 8f767fc83c [PATCH] forcedeth: Poll for link changes
This is a multi-part message in MIME format.
2005-06-27 00:08:29 -04:00
Manfred Spraul 9992d4aa6b [PATCH] forcedeth: add two new pci ids
This is a multi-part message in MIME format.
2005-06-27 00:08:28 -04:00
Manfred Spraul 22c6d143f3 [PATCH] forcedeth: Update error handling
Ayaz wrote an update to the error handling for forcedeth (which I
modified heavily, thus all bugs are mine):
The ERROR4 bit is not a fatal error, it just indicates a mismatch
between the actual packet len and the len according to the 802.3 header.
The patch adds proper handling.
The patch also removes the code that drops all packets with RX_ERROR &
(!RX_FRAMINGERR): ERROR4 errors are also not fatal.
2005-05-15 18:10:01 -04:00
Michal Schmidt 2918c35d31 [PATCH] forcedeth: netpoll support 2005-05-12 19:42:06 -04:00
Linus Torvalds 1da177e4c3 Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!
2005-04-16 15:20:36 -07:00