Commit Graph

398 Commits

Author SHA1 Message Date
David S. Miller
babcda74e9 drivers/net: Kill now superfluous ->last_rx stores.
The generic packet receive code takes care of setting
netdev->last_rx when necessary, for the sake of the
bonding ARP monitor.

Drivers need not do it any more.

Some cases had to be skipped over because the drivers
were making use of the ->last_rx value themselves.

Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-03 21:11:17 -08:00
Arjan van de Ven
275f165fa9 pci: use pci_ioremap_bar() in drivers/net
Use the newly introduced pci_ioremap_bar() function in drivers/net.
pci_ioremap_bar() just takes a pci device and a bar number, with the goal
of making it really hard to get wrong, while also having a central place
to stick sanity checks.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-10-31 00:53:48 -04:00
Johannes Berg
e174961ca1 net: convert print_mac to %pM
This converts pretty much everything to print_mac. There were
a few things that had conflicts which I have just dropped for
now, no harm done.

I've built an allyesconfig with this and looked at the files
that weren't built very carefully, but it's a huge patch.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-27 17:06:18 -07:00
Patrick McHardy
20501a6981 e1000: allow VLAN devices to use TSO and CSUM offload
This patch changes e1000 to set vlan_features so TSO and CSUM
offload can be used by VLAN devices, similar as with the other
Intel drivers.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-11 12:25:59 -07:00
Dave Graham
3ed30676f5 e1000: don't generate bad checksums for tcp packets with 0 csum
When offloading transmit checksums only, the driver was not
correctly configuring the hardware to handle the case of a zero
checksum.  For UDP the correct behavior is to leave it alone, but
for tcp the checksum must be changed from 0x0000 to 0xFFFF.  The
hardware takes care of this case but only if it is told the
packet is tcp.

same patch as e1000e

Signed-off-by: Dave Graham <david.graham@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-09 14:29:26 -07:00
David S. Miller
b262e60309 Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:

	drivers/net/wireless/ath9k/core.c
	drivers/net/wireless/ath9k/main.c
	net/core/dev.c
2008-10-01 06:12:56 -07:00
Brandeburg, Jesse
630b25cdf4 e1000: remove unused Kconfig option for disabling packet split
Since the e1000/e1000e split, no hardware supported by e1000
supports packet split, just remove the Kconfig option and associated
code from the driver.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-24 22:17:42 -04:00
Christopher Li
78566fecbb e1000: prevent corruption of EEPROM/NVM
Andrey reports e1000 corruption, and that a patch in vmware's ESX fixed
it.

The EEPROM corruption is triggered by concurrent access of the EEPROM
read/write. Putting a lock around it solve the problem.

[akpm@linux-foundation.org: use DEFINE_SPINLOCK to avoid confusing lockdep]
Signed-off-by: Christopher Li <chrisl@vmware.com>
Reported-by: Andrey Borzenkov <arvidjaar@mail.ru>
Cc: Zach Amsden <zach@vmware.com>
Cc: Pratap Subrahmanyam <pratap@vmware.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Cc: Bruce Allan <bruce.w.allan@intel.com>
Cc: PJ Waskiewicz <peter.p.waskiewicz.jr@intel.com>
Cc: John Ronciak <john.ronciak@intel.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-18 21:40:24 -04:00
Linus Torvalds
16ecf85a5c e1000: fix stack size
Here's the patch. It shrinks the stack from 1152 bytes to 192 bytes (the
first version, that only did the e1000_option part, got it down to 600
bytes). About half comes from not using multiple "e1000_option"
structures, the other half comes from turning the "e1000_opt_list[]"
arrays into "static const" instead, so that gcc doesn't copy them onto the
stack.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Reveiewed-by: Auke Kok <auke-jan.h.kok@intel.com>
Tested-by: Emil Tantilov <emil.s.tantilov@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-08-27 13:56:27 -07:00
Taku Izumi
81250297d8 e1000: make ioport free
This patch makes e1000 driver ioport-free.
This corrects behavior in probe function so as not to request ioport
resources as long as they are not really needed.  This is based on the
ioport-free patch of e1000 driver from Auke Kok and Tomohiro Kusumi.

Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@jp.fujitsu.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: Jeff Kirsher<jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-07-22 19:39:14 -04:00
Francois Romieu
c3570acb53 e1000: delete non NAPI code from the driver
Compile-tested only.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-07-22 19:39:11 -04:00
Jeff Kirsher
63cd31f607 e1000: remove email reference
The email linux-nics@intel.com is no longer available, remove all
references.

Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-07-22 19:39:08 -04:00
Joe Perches
c7be73bc9b e1000: Move assignments in tests before test
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-07-22 19:39:03 -04:00
Joe Perches
b11840204f e1000: checkpatch clean
Redefine DPRINTK macro using do while(0)
__FUNCTION__ to __func__
structs {} on separate lines
Surround negative constants with ()

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-07-22 19:38:58 -04:00
Joe Perches
e982f17c87 e1000: Remove spaces after casts and function names
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-07-22 19:38:52 -04:00
Joe Perches
c03e83b035 e1000: Move extern function definitions to e1000.h
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-07-22 19:38:50 -04:00
Joe Perches
1dc329180f e1000: Use hw, er32, and ew32
Use struct e1000_hw *hw = adapter->hw; where necessary
Change macros E1000_READ_REG and E1000_WRITE_REG to er32 and ew32

Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-07-22 19:38:47 -04:00
Joe Perches
6479884509 e1000: neaten function declarations
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-07-22 19:34:33 -04:00
Ben Hutchings
076152d534 e1000: resolve tx multiqueue bug
With the recent changes to tx mutiqueue, e1000 was not calling
netif_start_queue() before calling netif_wake_queue().
This causes an oops during loading of the driver.

(Based on commit d55b53fff0
("igb/ixgbe/e1000e: resolve tx multiqueue bug").)

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-18 17:50:57 -07:00
Patrick McHardy
78ed11a56b netdrv intel: always enable VLAN filtering except in promiscous mode
Currently VLAN filtering is enabled when the first VLAN is added.
Obviously before that there's no point in receiving any VLAN packets.
Now that we disable VLAN filtering in promiscous mode, we can keep
the VLAN filters enabled the remaining time.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-16 20:16:14 -07:00
Patrick McHardy
746b9f0228 netdrv intel: disable VLAN filtering in promiscous mode
As discussed in this thread:

http://www.mail-archive.com/netdev@vger.kernel.org/msg53976.html

promiscous mode means to disable *all* filters. Currently only unicast
and multicast filtering is disabled. This patch changes all Intel
drivers to also disable VLAN filtering.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-16 20:15:45 -07:00
Patrick McHardy
38b221957b netdrv: don't truncate VLAN TCI with VLAN stripping
The vlan_hwaccel_{rx,receive_skb} functions expect the full TCI field
for priority mappings, don't truncate the upper 4 bits.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Acked-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-06 20:48:41 -07:00
David S. Miller
332e4af80d Merge branch 'davem-next' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 2008-06-28 21:28:46 -07:00
Andy Gospodarek
b45f87681e e1000: remove e1000_clean_tx_irq call from e1000_netpoll
The call to e1000_clean_tx_irq in e1000_netpoll can race with the call
to e1000_clean_tx_irq in e1000_clean.  With a small bit of tweaking to
to netpoll_send_skb to simulate a system that was under extreme stress,
I was able to reproduce these concurrent calls.  This can result in
multiple frees to the skbs on the tx ring buffer.

Dropping this call from e1000_netpoll should be fine since we can rely
on the calls in e1000_clean to do what is needed since napi will poll
the hardware just after calling poll_controller.

Signed-off-by: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-06-28 10:23:32 -04:00
Auke Kok
d03157babe e1000: remove PCI Express device IDs
We do not want to prolong the situation much longer that e1000
and e1000e support these devices at the same time. As a result,
take out the bandage that was added for the interim period
and remove all the PCI Express device IDs from e1000.

Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-06-28 10:23:30 -04:00
Andy Gospodarek
581abbc26a e1000: only enable TSO6 via ethtool when using correct hardware
When enabling TSO via ethool on e1000, it is possible to set
NETIF_F_TSO6 on hardware that does not support it.  Setting TSO via
ethtool now matches the settings used when the hardware is probed.

Signed-off-by: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-06-27 01:31:08 -04:00
Joe Perches
406874a7cc e1000: convert uint16_t style integers to u16
Conglomerate from 4 separate patches from Joe.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-04-16 20:41:45 -04:00
Jesse Brandeburg
9150b76a64 e1000: remove irq_sem
irq_sem was just a hack to prevent interrupts from being enabled
unexpectedly in deep call paths.  Simply finding those call paths and
fixing them by hand results in a driver that behaves as we expect and
doesn't need the atomic at all.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-03-26 00:17:52 -04:00
Joe Perches
c3033b01d7 e1000: Convert boolean_t to bool
On Thu, 2008-03-06 at 10:07 -0800, Kok, Auke wrote:
> send me a patch for e1000 and for ixgb and I'll happily apply those :)

boolean_t to bool
TRUE to true
FALSE to false
comment typo ahread to ahead

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-03-26 00:17:42 -04:00
Auke Kok
14782ca826 e1000: warn if this driver is used for e1000e devices
We're already starting to see reports from users still
using e1000 where they should be using e1000e now that this is
actually possible. Just to prevent some of this thrash, add
a big warning on load on these devices that people should
switch to e1000e.

Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-11 14:51:40 -05:00
Julia Lawall
030ed68bf0 replace code with FIELD_SIZEOF
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-11 14:51:40 -05:00
Benjamin Herrenschmidt
3c34ac36ac e1000: Fix for 32 bits platforms with 64 bits resources
The e1000 driver stores the content of the PCI resources into
unsigned long's before ioremapping. This breaks on 32 bits
platforms that support 64 bits MMIO resources such as ppc 44x.

This fixes it by removing those temporary variables and passing
directly the result of pci_resource_start/len to ioremap.

The side effect is that I removed the assignments to the netdev
fields mem_start, mem_end and base_addr, which are totally useless
for PCI devices.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
--

 drivers/net/e1000/e1000_main.c |   18 +++++-------------
 1 file changed, 5 insertions(+), 13 deletions(-)
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-11 10:32:16 -05:00
Adrian Bunk
b4ea895dd8 e1000: make e1000_dump_eeprom() static
This patch makes the needlessly global e1000_dump_eeprom() static.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03 04:28:07 -08:00
Linus Torvalds
60e233172e [net] Gracefully handle shared e1000/1000e driver PCI ID's
Both the old e1000 driver and the new e1000e driver can drive some
PCI-Express e1000 cards, and we should avoid ambiguity about which
driver will pick up the support for those cards when both drivers are
enabled.

This solves the problem by having the old driver support those cards if
the new driver isn't configured, but otherwise ceding support for PCI
Express versions of the e1000 chipset to the newer driver.  Thus
allowing both legacy configurations where only the old driver is active
(and handles all chips it knows about) and the new configuration with
the new driver handling the more modern PCIE variants.

Acked-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-31 00:30:15 +11:00
Linus Torvalds
5b10ca19ea Mostly revert "e1000/e1000e: Move PCI-Express device IDs over to e1000e"
The new e1000e driver is apparently not yet suitable for general use, so
mark it experimental, and re-instate all the PCI-Express device IDs in
the old and stable e1000 driver so that people (namely me) can continue
to use a driver that actually works.

Auke & co have been appraised of the situation.

Cc: Auke Kok <auke-jan.h.kok@intel.com>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-30 09:54:54 +11:00
Auke Kok
67b3c27c8a e1000: Dump the eeprom when a user encounters a bad checksum
To help supporting users with a bad eeprom checksum, dump the
eeprom info when such a situation is encountered by a user.

Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-28 15:07:18 -08:00
Adrian Bunk
67cefcbafc e1000: remove no longer used code for pci read/write cfg
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-28 15:07:17 -08:00
Al Viro
3e18826c73 e1000 endianness annotations
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-28 15:07:11 -08:00
Jeff Garzik
cba0516ddb [netdrvr] checkpatch cleanups
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-01-28 15:04:05 -08:00
Patrick McHardy
db0ce50d37 [E1000]: Secondary unicast address support
Add support for configuring secondary unicast addresses. Unicast
addresses take precendece over multicast addresses when filling
the exact address filters to avoid going to promiscous mode.
When more unicast addresses are present than filter slots,
unicast filtering is disabled and all slots can be used for
multicast addresses.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28 15:03:51 -08:00
Joe Perches
7e64300a0f [E1000]: Convert regtest macro's to functions
Minimal macro to function conversion in e1000_ethtool.c

Adds functions reg_pattern_test and reg_set_and_check
Changes REG_PATTERN_TEST and REG_SET_AND_CHECK macros
to call these functions.

Saves ~2.5KB

Compiled x86, untested (no hardware)

old:

$ size drivers/net/e1000/e1000_ethtool.o
   text    data     bss     dec     hex filename
  16778       0       0   16778    418a drivers/net/e1000/e1000_ethtool.o

new:

$ size drivers/net/e1000/e1000_ethtool.o
   text    data     bss     dec     hex filename
  14128       0       0   14128    3730 drivers/net/e1000/e1000_ethtool.o

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28 15:03:50 -08:00
Auke Kok
ef90e4eca9 [E1000]: update netstats traffic counters realtime
formerly e1000/e1000e only updated traffic counters once every
2 seconds with the register values of bytes/packets. With newer
code however in the interrupt and polling code we can real-time
fill in these values in the netstats struct for users to see.

Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28 15:03:49 -08:00
Auke Kok
040babf9d8 e1000/e1000e: Move PCI-Express device IDs over to e1000e
e1000e will from now on support the PCI-Express adapters that
previously were supported by e1000. This support means better
performance and easier debugging from now on for both the old
PCI-X/PCI hardware and PCI-Express adapters.

This patch also moves 3 recently merged device IDs over to e1000e
that are identical to quad-port versions of already existing
dual port versions. With this last bit every former e1000 pci-e
device should work now with e1000e.

Here is a brief list of which gigabit driver to use with which
adapter:

  e1000:
	82540 -> 82547

  e1000e:
	82571 -> 82573
	ich8, ich9       (82562 or 82566)
	es2lan           (80003eslan)

  igb: (not yet merged, only available from e1000.sf.net)
	82575

Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-28 15:03:43 -08:00
Alejandro Martinez Ruiz
4c3616cdda netdev: use ARRAY_SIZE() instead of sizeof(array) / ETH_GSTRING_LEN
Using ARRAY_SIZE() on arrays of the form array[][K] makes it unnecessary
to know the value of K when checking its size.

Signed-off-by: Alejandro Martinez Ruiz <alex@flawedcode.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-28 15:03:36 -08:00
David S. Miller
49d85c502e [NET]: Fix interrupt semaphore corruption in Intel drivers.
Several of the Intel ethernet drivers keep an atomic counter used to
manage when to actually hit the hardware with a disable or an enable.

The way the net_rx_work() breakout logic works during a pending
napi_disable() is that it simply unschedules the poll even if it
still has work.

This can potentially leave interrupts disabled, but that is OK
because all of the drivers are about to disable interrupts
anyways in all such code paths that do a napi_disable().

Unfortunately, this trips up the semaphore used here in the Intel
drivers.  If you hit this case, when you try to bring the interface
back up it won't enable interrupts.  A reload of the driver module
fixes it of course.

So what we do is make sure all the sequences now go:

	napi_disable();
	atomic_set(&adapter->irq_sem, 0);
	*_irq_disable();

which makes sure the counter is always in the correct state.

Reported by Robert Olsson.

Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-20 20:31:39 -08:00
David S. Miller
d2c7ddd626 [NET]: Fix TX timeout regression in Intel drivers.
This fixes a regression added by changeset
53e52c729c ("[NET]: Make ->poll()
breakout consistent in Intel ethernet drivers.")

As pointed out by Jesse Brandeburg, for three of the drivers edited
above there is breakout logic in the *_clean_tx_irq() code to prevent
running TX reclaim forever.  If this occurs, we have to elide NAPI
poll completion or else those TX events will never be serviced.

Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
2008-01-17 01:49:29 -08:00
David S. Miller
53e52c729c [NET]: Make ->poll() breakout consistent in Intel ethernet drivers.
This makes the ->poll() routines of the E100, E1000, E1000E, IXGB, and
IXGBE drivers complete ->poll() consistently.

Now they will all break out when the amount of RX work done is less
than 'budget'.

At a later time, we may want put back code to include the TX work as
well (as at least one other NAPI driver does, but by in large NAPI
drivers do not do this).  But if so, it should be done consistently
across the board to all of these drivers.

Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Auke Kok <auke-jan.h.kok@intel.com>
2008-01-08 23:30:14 -08:00
David S. Miller
4ec2411980 [NET]: Do not check netif_running() and carrier state in ->poll()
Drivers do this to try to break out of the ->poll()'ing loop
when the device is being brought administratively down.

Now that we have a napi_disable() "pending" state we are going
to solve that problem generically.

Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-08 23:30:09 -08:00
Roel Kluin
c32bc6e9b0 e1000: fix memcpy in e1000_get_strings
drivers/net/e1000/e1000_ethtool.c:113:
#define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN

drivers/net/e1000e/ethtool.c:106:
#define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN

E1000_TEST_LEN*ETH_GSTRING_LEN will expand to
sizeof(e1000_gstrings_test) / (ETH_GSTRING_LEN * ETH_GSTRING_LEN)

A lack of parentheses around defines causes unexpected results due to
operator precedences.

Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-12-07 15:01:43 -05:00
Auke Kok
f7bbb90983 e1000: Fix NAPI state bug when Rx complete
Don't exit polling when we have not yet used our budget, this causes
the NAPI system to end up with a messed up poll list.

Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-12-01 16:32:32 -05:00