Commit Graph

260 Commits

Author SHA1 Message Date
Matt Carlson
ecc796486f tg3: Detect APE firmware types
This patch adds code to determine the APE firmware type and report this
along with the firmware version.

Reviewed-by: Benjamin Li <benli@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-02 15:46:29 -07:00
Matt Carlson
88075d915b tg3: Don't access phy test ctrl reg for 5717+
The phy test register location has been repurposed for 5717+ devices.
This patch changes the code to avoid this location for these devices.

Reviewed-by: Benjamin Li <benli@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-02 15:46:28 -07:00
Matt Carlson
c885e82469 tg3: Create TG3_FLG3_5717_PLUS flag
This patch creates a TG3_FLG3_5717_PLUS flag to collectively describe
the set of changes in the ASIC that will apply to all future chip
revisions.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-02 15:46:27 -07:00
Matt Carlson
702e52ccd3 tg3: Revert PCIe tx glitch fix
This patch reverts commit 52cdf8526f,
entitled "tg3: Prevent a PCIe tx glitch".  The problem does not have
any visible side-effects and happens too early for the driver to do
anything about it.  The proper place for this code is within the
device's bootcode.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-11 17:07:43 -07:00
Matt Carlson
6867c84381 tg3: Report driver version to firmware
This patch changes the code so that the driver version can be reported
to the firmware in addition to the current use.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-11 17:07:42 -07:00
Eric Dumazet
511d22247b tg3: 64 bit stats on all arches
Now core network is able to handle 64 bit netdevice stats on 32 bit
arches, we can provide them for tg3, since hardware maintains 64 bit
counters.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-07-08 23:12:28 -07:00
Matt Carlson
302b500b27 tg3: Add 5719 PCI device and phy IDs
This patch adds the 5719 PCI device and phy IDs.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-06 17:56:03 -07:00
Matt Carlson
a50d0796b0 tg3: Add 5719 ASIC rev
This patch adds the 5719 ASIC revision.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-06 17:56:02 -07:00
Matt Carlson
9c7df91578 tg3: Use devfn to determine function number
The driver sometimes needs to know which function number the current
device is.  This patch changes the code to use devfn over internal
register values.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-06 17:56:01 -07:00
Matt Carlson
b1d0521059 tg3: Avoid tx lockups on 5755+ devices
In certain edge conditions, internal tx resources can get corrupted.
This patch enables a bit that will fix the problem.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-06 17:55:59 -07:00
Matt Carlson
f92d9dc150 tg3: Relocate APE mutex regs for 5717+
The 5717 and later devices relocate the APE mutex registers.  This patch
organizes the code so that the driver can use the mutex registers in the
old and new locations.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-06 17:55:58 -07:00
FUJITA Tomonori
4e5e4f0d65 tg3: use the DMA state API instead of the pci equivalents
This replace the PCI DMA state API (include/linux/pci-dma.h) with the
DMA equivalents since the PCI DMA state API will be obsolete.

No functional change.

For further information about the background:

http://marc.info/?l=linux-netdev&m=127037540020276&w=2

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Matt Carlson <mcarlson@broadcom.com>
Cc: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13 02:54:16 -07:00
Matt Carlson
04380d401e tg3: Unify max pkt size preprocessor constants
The maximum packet size that gets programmed into the standard producer
ring control block is directly related to the packet size used to
allocate packet buffers.  This patch removes the redundant preprocessor
constant.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13 02:25:46 -07:00
Matt Carlson
d2757fc407 tg3: Optimize rx double copy test
On a PCIX bus, the 5701 has a bug which requires the driver to double
copy all rx packets.  The rx code uses the rx_offset device member as a
flag to determine if this workaround should take effect.  The following
patch will modify the rx_offset member such that this test will become
less clear.

The patch starts by integrating the workaround check into the packet
length check.  It rounds out the implementation by relaxing the
workaround restrictions if the platform has efficient unaligned
accesses.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13 02:25:44 -07:00
Matt Carlson
1a3190254c tg3: Set card 57765 card reader MRRS to 1024B
This patch sets the Maximum Read Request Size for the card reader
function to 1024 bytes to prevent an SD controller lockup.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13 02:25:43 -07:00
Matt Carlson
cea4646268 tg3: Disable CLKREQ in L2
This patch disables CLKREQ in L2 to workaround a chipset bug.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13 02:25:42 -07:00
Matt Carlson
c6cdf43631 tg3: Whitespace, constant, and comment updates
This patch fixes whitespace errors, preprocessor definition placement
oddities and updates comments.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-06 03:58:02 -07:00
Matt Carlson
c1f614a121 tg3: Fix MII_TG3_DSP_EXP8 offset
The offset to the MII_TG3_DSP_EXP8 register is incorrect.  Fix it.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-06 03:57:58 -07:00
Matt Carlson
6a443a0f72 tg3: Push phylib definitions to phylib
This patch pushes phylib definitions out to phylib headers.  For phy
IDs, this removes some code duplication.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-17 17:27:40 -08:00
Matt Carlson
79eb690436 tg3: Rename tg3 phy ID preprocessor definitions
The phylib presents the phy ID in a different format than the one tg3
has traditionally used.  To highlight the distinction, this patch
prepends the tg3 native phy ID format with TG3.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-17 17:27:39 -08:00
Matt Carlson
24daf2b0a4 tg3: Reformat SSID to phy ID table
This patch reformats the SSID to phy ID table, replacing constants with
preprocessor definitions.  This patch is also prep work for the
following patch, which will push line lengths beyond 80 chars.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-17 17:27:39 -08:00
Matt Carlson
144170635b tg3: Rename TG3_FLG3_RGMII_STD_IBND_DISABLE
The STD part of this preprocessor definition is a bit of a misnomer.
This flag is a coarse control of the RGMII inband status facilities.
This patch renames the definition to be more accurate.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-17 17:27:37 -08:00
Matt Carlson
a4153d401a tg3: Add support for 2 new selfboot formats
This patch adds new offsets to the bootcode version extraction code to
support NVRAM format versions 4 and 5.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-17 17:27:35 -08:00
Matt Carlson
1061b7c564 tg3: Fix AC131 loopback test errors for 5785
The AC131 does not enable the forced transmit clock settings
immediately.  The workaround is to read the register again to get the
setting to take effect.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-12 17:05:55 -08:00
Matt Carlson
0339e4e3ef tg3: Turn off multiple DMA reads for 5717
The 5717's DMA read engine has a bug when initiating multiple DMA reads
across the PCIe bus.  This patch disables the feature.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-12 17:05:53 -08:00
Matt Carlson
6b10c1653e tg3: Fix 57765 A0 bootcode race condition
On A0 revision of 57765 asic rev devices, the bootcode will perform some
hardware operations, after the magic signature is presented, that will
collide with setup operations performed by the driver.  The best way to
avoid the contention is to have the driver delay an additional 10
milliseconds.  B0 revisions of the chip will make this workaround
unnecessary.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-12 17:05:53 -08:00
Matt Carlson
f89f38b8ec tg3: Unwedge stuck MSI-X vectors
The previous patch changed the code so that new rx buffer submissions to
the hardware stall if a new submission would overwrite data needed by an
unserviced rx packet.  On very busy 5717 and 57765 asic rev devices,
there is a corner case where the hardware will fail to assert an MSI-X
interrupt for rx traffic.  If that vector's interrupt never has another
reason to assert, any rx buffers held will never be serviced.  If the
buffers are never serviced and the hardware consumes all the available
rx packets for other rx rings, deadlock will result.

The most reliable and least intrusive way to work around the problem is
to detect the case where new submissions would overwrite existing data
and force all rx interrupt vectors to fire.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-12 17:05:52 -08:00
Matt Carlson
e4af1af900 tg3: Give MSI-X vec 1 rx backlog space
RSS ring 1 is responsible for submitting new rx buffers to the
hardware on behalf of all the other RSS rx return rings.  Up until now
this ring submitted its new rx buffers to the producer ring directly.
The following patch will require that this ring have a place to put
backlogged rx packets.  As a consequence, it can no longer submit new
buffers to the producer ring.

This patch adds code to allocate an extra shadow producer ring for this
RSS ring and adds RSS ring 1 to the list of rings needing buffer
transfers.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-12 17:05:51 -08:00
David S. Miller
51c24aaaca Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-01-23 00:31:06 -08:00
Matt Carlson
b0f752210c tg3: Add 57765 phy ID and enable devices.
This patch rounds out the 57765 asic rev support by adding the 57765 phy
ID and entering the 57765 device IDs in the pci table.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-20 19:21:03 -08:00
Matt Carlson
9b952f51d0 tg3: Add 5717 serdes phy ID
The serdes and copper phys of the 5717 asic rev have different phy IDs.
This patch adds the serdes phy ID.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-20 19:20:59 -08:00
Matt Carlson
666bc831cf tg3: Improve internal resource allocations
The 5717 and the 57765 have more resources at their disposal internally.
This patch tunes the driver to get better performance.  The adjustments
made here only apply to the 57765 and 5717 asic revs.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-20 19:20:58 -08:00
Matt Carlson
614b05900e tg3: Enable PLL PD when CLKREQ disabled for 5717A0
PCIe PLL power down cannot be used if CLKREQ is enabled because data
corruption will occur.  If CLKREQ is disabled though, enabling PCIE P1
PLL power-down saves some power.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-20 19:20:57 -08:00
Matt Carlson
ba5b0bfa06 tg3: Update copyright and driver version
This patch updates the copyright notice for 2010 and updates the version
number to 3.106.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-13 17:18:54 -08:00
Matt Carlson
d1ec96af77 tg3: Add reliable serdes detection for 5717 A0
The serdes status bit does not work as intended for the 5717 A0.
This patch implements an alternative detection scheme that will only be
valid for A0 revisions.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-13 17:18:53 -08:00
Matt Carlson
141518c958 tg3: Add some VPD preprocessor constants
This patch cleans up the VPD code by creating preprocessor definitions
and using them in the place of hardcoded constants.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-12-03 13:18:04 -08:00
Matt Carlson
b703df6f62 tg3: Add 57765 asic rev
This patch adds the 57765 asic revision.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-12-03 13:18:03 -08:00
Matt Carlson
19cfaecc09 tg3: Make TSS enable independent of MSI-X enable
The 57765 asic rev has MSI-X capability, but does not support TSS.  This
patch changes the tx paths so that TSS is explicitly mentioned, rather
than implied through the ENABLE_MSIX flag.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-12-03 13:18:02 -08:00
Alexander Duyck
f4188d8aff tg3: remove use of skb_dma_map/unmap
Due to the fact that skb_dma_map/unmap do not work correctly when a HW
IOMMU is enabled it has been recommended to go about removing the calls
from the network device drivers.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
CC: Matt Carlson <mcarlson@broadcom.com>
CC: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-12-02 19:57:15 -08:00
Matt Carlson
5001e2f638 tg3: Fix DIDs, Enable 5717 support
This patch fixes the 5717 variant device ID enumerations and adds those
DIDs to the PCI ID table.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-15 22:14:54 -08:00
Matt Carlson
b196c7e45f tg3: Add rx prod ring consolidation
This patch adds code to funnel each MSI-X vector's rx packet buffers
into a single set of producer rings which will then be submitted to the
hardware.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-15 22:14:54 -08:00
Matt Carlson
66711e6663 tg3: Create aliases for rx producer mailbox regs
The rx producer mailbox registers are used in several spots in the code.
The addition of TG3_64BIT_REG_LOW makes register references
uncomfortably long.  This patch creates an alias for the standard and
jumbo ring producer index registers to make the code cleaner.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-15 22:14:53 -08:00
Matt Carlson
2b2cdb65be tg3: Lay proucer ring handling groundwork
The patch increases the number of producer rings available and
implements the constructor and destructor code that deals with them.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-15 22:14:51 -08:00
Matt Carlson
411da6407e tg3: rename rx_[std|jmb]_ptr
A later patch is going to add consumer indicies for the producer rings.
To keep things readable, this patch renames rx_[std|jmb]_ptr to
rx_[std|jmb]_prod_idx.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-15 22:14:49 -08:00
Matt Carlson
cbf9ca6cf8 tg3: Allow DMAs to cross cacheline boundaries
By default, the 5717 (and future chips) break up PCIe DMA packets across
cacheline boundaries.  This isn't necessary on x86.  This patch
selectively loosens the restriction.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-15 22:14:43 -08:00
Matt Carlson
615774fe59 tg3: Use tg3_start_xmit_dma_bug for 5717 A0
The A0 revision of the 5717 has problems with short packet fragments.
It needs to use the tg3_start_xmit_dma_bug() routine.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-15 22:14:41 -08:00
Matt Carlson
e849cdc309 tg3: Add new HW_TSO_3 flag for 5717
The 5717 sets up TSO slightly differently in the transmit path.  It
looks like this method will be the new way of doing things.  This patch
defines a flag to indicate this.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-15 22:14:40 -08:00
Matt Carlson
f66a29b03a tg3: Move TG3_FLG2_PROTECTED_NVRAM to tg3_flags3
We need room for another TSO flag and it would be most efficient if it
resided in tg3_flags2.  This patch moves the TG3_FLG2_PROTECTED_NVRAM
to tg3_flags3 to make room.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-15 22:14:39 -08:00
Matt Carlson
c2060fe1f3 tg3: Add 5717 phy ID
This patch adds the 5717 phy ID.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-15 22:14:35 -08:00
Matt Carlson
c73430d04e tg3: Add 50610M phy ID for 5785
This patch adds the 50610M phy ID for 5785.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-02 23:39:10 -08:00
Matt Carlson
0e5f784c77 tg3: Add AC131 power down support
The AC131 does not respect the power down bit (bit 11) of the MII
Control Register (reg 0x0).  Instead, software is required to put the
phy into standby power down mode through the shadow register set.  This
patch implements support for the AC131 standby power down mode.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-02 23:39:05 -08:00
Matt Carlson
788a035e60 tg3: Improve 5785 PCIe performance
This patch improves 5785 performance by allowing the write DMA engine to
request larger DMA burst sizes than it otherwise would.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-02 23:39:03 -08:00
Matt Carlson
52cdf8526f tg3: Prevent a PCIe tx glitch
This patch prevents a PCIe tx glitch by allowing the transmitter to go
to a low power state.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-02 23:39:02 -08:00
Matt Carlson
3f0e3ad723 tg3: Convert PHY_ADDR => TG3_PHY_MII_ADDR
This patch renames the PHY_ADDR preprocessor definition.  The following
patch will identify a new member on the MDIO bus, so we want this
preprocessor definition to be a little more descriptive.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-02 23:39:01 -08:00
Matt Carlson
f40386c845 tg3: Fix disappearing 57780 devices
Under certain power saving conditions, 57780 asic rev devices might
disappear from the system.  The fix is to disallow the PCIe PLL from
powering down.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-02 23:39:00 -08:00
Matt Carlson
92c6b8d16a tg3: Fix 5906 transmit hangs
The 5906 has trouble with fragments that are less than 8 bytes in size.
This patch works around the problem by pivoting the 5906's transmit
routine to tg3_start_xmit_dma_bug() and introducing a new SHORT_DMA_BUG
flag that enables code to detect and react to the problematic condition.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-02 23:39:00 -08:00
Matt Carlson
0e1406dd40 tg3: Assign flags to fixes in start_xmit_dma_bug
This patch adds a flag for each bug workaround in
tg3_start_xmit_dma_bug().  This is prep work for the following patch.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-02 23:38:58 -08:00
Matt Carlson
24bb4fb6da tg3: Fix phylib locking strategy
Felix Radensky noted that chip resets were generating stack trace dumps.
This is because the driver is attempting to acquire the mdio bus mutex
while holding the tp->lock spinlock.  The fix is to change the code such
that every phy access takes the tp->lock spinlock instead.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-07 03:37:39 -07:00
Eric Dumazet
bf18a9f8b3 tg3: Remove prev_vlan_tag from struct tx_ring_info
prev_vlan_tag field is not used.

Patch saves 512*8 bytes per tx queue ring on 64bit arches.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Matthew Carlson <mcarlson@broadcom.com>
2009-10-01 14:37:34 -07:00
Matt Carlson
882e9793fa tg3: Add MDIO bus address assignments
The 5717 is a dual port chip that has a shared MDIO bus design.  While
it is impossible for one function to interface with the wrong phy, that
function still needs to know which MDIO bus address to use when
interfacing with its own phy.  This patch adds code to determine which
MDIO bus address to use.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02 00:44:09 -07:00
Matt Carlson
a1b950d56d tg3: Add 5717 NVRAM detection routines
This patch adds NVRAM detection routines for the 5717.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02 00:44:06 -07:00
Matt Carlson
f6eb9b1fc1 tg3: Add 5717 asic rev
This patch adds the 5717 asic rev.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02 00:44:01 -07:00
Matt Carlson
8d9d7cfc0e tg3: Assign rx ret producer indexes by vector
When RSS is enabled, the status block format changes slightly.  The
"rx_jumbo_consumer", "reserved", and "rx_mini_consumer" members get
mapped to the other three rx return ring producer indexes.  This patch
introduces a new per-interrupt member which identifies which location
in the status block a particular vector should look for return ring
updates.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02 00:43:58 -07:00
Matt Carlson
baf8a94a57 tg3: Add RSS support
This patch adds code needed to enable RSS.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02 00:43:49 -07:00
Matt Carlson
b6080e1260 tg3: Add coalesce parameters for msix vectors
This patch adds code to tune the coalescing parameters for the other
msix vectors.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02 00:43:46 -07:00
Matt Carlson
fe5f5787f0 tg3: Add TSS support
This patch exposes the additional transmit rings to the kernel and makes
the necessary modifications to transmit, open, and close paths.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02 00:43:44 -07:00
Matt Carlson
f77a6a8e6c tg3: Add tx and rx ring resource tracking
This patch adds code to assign status block, tx producer ring and rx
return ring resources needed for the other interrupt vectors.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02 00:43:39 -07:00
Matt Carlson
679563f47c tg3: Add MSI-X support
This patch adds MSI-X support.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02 00:43:33 -07:00
Matt Carlson
4f125f42dd tg3: Add support code around kernel interrupt API
This patch adds code to support multiple interrupt vectors around the
kernel's interrupt API.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02 00:43:30 -07:00
Matt Carlson
fd2ce37f8e tg3: Add per-int coalesce now member
Each interrupt vector has its own bit in the host coalescing register to
force that vector's status block to be updated and generate an
interrupt.  This patch adds a member to the per-interrupt structure
that records which bit belongs to that vector.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02 00:43:25 -07:00
Matt Carlson
f3f3f27e5b tg3: Move per-int tx members to a per-int struct
This patch moves the tx_prod, tx_cons, tx_pending, tx_ring, and
tx_buffers transmit ring device members to a per-interrupt structure.
It also adds a new transmit producer mailbox member (prodmbox) and
converts the code to use it rather than a preprocessor constant.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-29 15:43:04 -07:00
Matt Carlson
723344820a tg3: Move per-int rx members to per-int struct
This patch moves the rx_rcb, rx_rcb_mapping, and rx_rcb_ptr return ring
device members to a per-interrupt structure.  It also adds a new return
ring consumer mailbox register member (consmbox) and converts the code
to use it rather than a preprocessor constant.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-29 15:43:03 -07:00
Matt Carlson
898a56f8d8 tg3: Move general int members to a per-int struct
This patch moves the last_tag, last_tag_irq, and hw_status device
members to a per-interrupt structure.  It also adds a new interrupt
mailbox member (int_mbox) and converts the code to use it rather than a
direct preprocessor constant.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-29 15:43:01 -07:00
Matt Carlson
8ef0442f98 tg3: Move napi to per-int struct
This patch creates a per-interrupt data structure, moves the napi
member over, and creates a tg3 pointer back to the device structure.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-29 15:42:56 -07:00
Matt Carlson
79ed5ac7dd tg3: Use ext rx bds
The 5717 only uses extended buffer descriptors for the jumbo producer
ring.  Extended buffer descriptors are available on all devices that
support a separate jumbo producer ring so make the change universal.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-29 15:42:52 -07:00
Matt Carlson
21f581a536 tg3: Create a new prodring_set structure
This patch migrates most of the rx producer ring variables to a new
tg3_rx_prodring_set structure and modifies the code accordingly.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-29 15:42:50 -07:00
Matt Carlson
287be12e17 tg3: Clarify rx buffer relationships
This patch attempts to document the various rx buffer sizes used by the
driver and how they relate to each other.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-29 15:42:43 -07:00
Matt Carlson
8f666b07ac tg3: Move the JUMBO_CAPABLE and SUPPORT_MSI flags
This patch moves where the jumbo capable and msi support flags are
located.  This is prep work for the addition of msix support flags.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-29 15:42:41 -07:00
Matt Carlson
2befdcea96 tg3: Add new 5785 10/100 only device ID
This patch adds a new device ID for those 5785 devices that will only
use 10/100 phys.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-29 15:42:31 -07:00
Matt Carlson
7f97a4bd47 tg3: Convert code to use PHY_IS_FET
This patch converts the code to use the PHY_IS_FET flag rather than the
ASIC revision to decide whether or not to use FET paths.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-26 15:48:00 -07:00
Matt Carlson
535ef6e112 tg3: Create MII_TG3_FET namespace
Broadcom's phys come in two distinctly different register layouts.  For
the lack of an official term to distinguish between the two formats, we
can loosely categorize them by their fast ethernet or gigabit ethernet
transceiver description.  This patch creates the (driver-internal) Fast
Ethernet Transceiver (FET) namespace and converts the 5906 EPHY
definitions over.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-26 15:47:58 -07:00
Matt Carlson
bb85fbb6a9 tg3: Tune 5785 clock switching
This patch tunes the timeouts the CPMU uses to decide when to switch
from the clocks output by the PHY to internal clock sources.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-26 15:47:56 -07:00
Matt Carlson
5e7ccf2003 tg3: Add 57788, remove 57720
This patch adds support for the 57788 and removes support for the 57720
which was never released.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-26 15:47:53 -07:00
Matt Carlson
255ca311b6 tg3: Prevent tx BD corruption
This patch prevents a tx BD corruption bug by preventing the device from
powering down the PLL from L1 if the link speed is 10Mbps or 100Mbps.

The same bits are also used to prevent a system hang during chip reset
resulting from a complicated set of events that ultimately leads to
PCIe block register corruption.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-26 15:47:47 -07:00
Matt Carlson
521e6b90dd tg3: Fix 57780 asic rev PCIe link receiver errors
This patch fixes some PCIe link receiver errors by decreasing the internal
electrical idle timeout.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-26 15:47:45 -07:00
Matt Carlson
9cf74ebb63 tg3: Limit CLKREQ fix to A[01] of 57780 asic rev
This patch restricts the CLKREQ bugfix to the A0 and A1 revisions
of 57780 ASIC rev chips.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-21 01:41:02 -07:00
Matt Carlson
33466d938f tg3: Prevent send BD corruption
On rare occasions, send BD corruptions can occur.  This patch
fixes the problem by increasing the L1 entry threshold to 4
milliseconds.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-21 01:41:01 -07:00
Matt Carlson
df259d8cba tg3: Handle NVRAM absent cases
Some 57780 ASIC revision parts do not have NVRAM.  Code the driver so
that it is tolerant of this configuration.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-21 01:41:00 -07:00
Matt Carlson
624f8e5082 tg3: Allow screaming interrupt detection
The tg3 driver's ISR is coded to accept interrupts as its own if the
status block tag does not equal the last tag the driver has seen.  The
last_tag field is updated from tg3_poll.  In a screaming interrupt
situation from another device sharing tg3's IRQ, tg3_poll does not get
a chance to be called, so the last_tag will always be out of sync with
the status block tag.  Consequently, the driver will continually
declare the screaming interrupts as its own, thus thwarting the
screaming interrupt detection logic.

This patch solves the problem by creating a new last_irq_tag member and
recording the status block tag in the ISR.  The ISR then checks the
last_irq_tag for interrupt ownership.

Many thanks to John Marvin for the detailed bug report and analysis and
Michael Chan for the bugfix.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Tested-by: John Marvin <jsm@fc.hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-04-21 01:41:00 -07:00
Matt Carlson
a6f6cb1cf8 tg3: Add version reporting for hardware selfboot
This patch adds version reporting for hardware selfboot.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-26 23:16:40 -08:00
Matt Carlson
7fd764455a tg3: Add DASH firmware version reporting
This patch adds code to report the DASH firmware version.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-26 23:16:39 -08:00
Matt Carlson
ff3a7cb252 tg3: Add legacy bootcode version decoding
This patch adds code to obtain the bootcode version for versions
of bootcode that do not use the new method.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-26 23:16:38 -08:00
Matt Carlson
9e9fd12dc0 tg3: Fix firmware loading
This patch modifies how the tg3 driver handles device firmware.

The patch starts by consolidating David Woodhouse's earlier patch under
the same name.  Specifically, the patch moves the request_firmware call
into a separate tg3_request_firmware() function and calls that function
from tg3_open() rather than tg3_init_one().

The patch then goes on to limit the number of devices that will make
request_firmware calls.  The original firmware patch unnecessarily
requested TSO firmware for devices that did not need it.  This patch
reduces the set of devices making TSO firmware patches to approximately
the following device set : 5703, 5704, and 5705.

Finally, the patch reduces the effects of a request_firmware() failure.
For those devices that are requesting TSO firmware, the driver will turn
off the TSO capability.  If TSO firmware becomes available at a later
time, the device can be closed and then opened again to reacquire the
TSO capability.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-19 16:57:45 -08:00
Jaswinder Singh Rajput
077f849de4 firmware: convert tg3 driver to request_firmware()
Firmware blob looks like this...
        u8 firmware_major
        u8 firmware_minor
        u8 firmware_fix
        u8 pad
        __be32 start_address
        __be32 length (total, including BSS sections to be zeroed)
        data... (in __be32 words, which is native for the firmware)

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-04 16:11:25 -08:00
Matt Carlson
aa10f27d99 tg3: tg3.h cleanups
This patch cleans up the tg3 header file by removing the preprocessor
definitions for standard PCI configuration space registers.  The driver
should be using the standard definitions when needed.  The patch
continues by removing redundant PHY related definitions and reorganizes
some of the remaining entries.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-21 20:21:18 -08:00
Matt Carlson
69fc405318 tg3: Remove unused cfgspc device members
This patch removes the pci_bist and pci_hdr_type members from the
device structure and removes the code that references them.  They are
not really used.

The patch rounds out the changes by moving the pci_cmd member to plug
a structure hole that would have been created.  On 32-bit systems, this
movement removes a subsequent structure hole later in the structure. On
64-bit systems though, the movement merely consolidates two holes into
one larger hole.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-21 20:19:57 -08:00
Matt Carlson
027455adac tg3: Cleanup IPV6 LSO
This patch attempts to make the relationship between IPV6 checksum
offload and IPV6 LSO more obvious.  The patch also toggles a bit
needed for IPV6 LSO on 5785 and 57780 devices.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-21 20:19:30 -08:00
Steve Glendinning
e18ce34654 net: Move flow control definitions to mii.h
flags used within drivers for indicating tx and rx flow control are
defined in 4 drivers (and probably more), move these constants to mii.h.

The 3 SMSC drivers use the same constants (FLOW_CTRL_TX), but TG3 uses
TG3_FLOW_CTRL_TX, so this patch also renames the constants within TG3.

Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-16 02:00:00 -08:00
Matt Carlson
321d32a052 tg3: Add 57780 support
This patch adds support for the 57780 ASIC revision.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-21 17:22:19 -08:00
Matt Carlson
dfe00d7d89 tg3: Extract FW ver from alt NVRAM formats
This patch extracts the bootcode firmware version from the alternate
selfboot patch NVRAM format.  This format is used on the 5784, 5761 and
some newer devices.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-21 17:19:41 -08:00