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Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Reported-by: Dave Jones <davej@codemonkey.org.uk>
Fixes: d7d2d89d4b0af ("r8169: Add software counter for multicast packages")
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Corinna Vinschen <vinschen@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Many drivers initialize uselessly n_priv_flags, n_stats, testinfo_len,
eedump_len & regdump_len fields in their .get_drvinfo() ethtool op.
It's not necessary as these fields is filled in ethtool_get_drvinfo().
v2: removed unused variable
v3: removed another unused variable
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Conflicts:
net/dsa/slave.c
net/dsa/slave.c simply had overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The function can return negative value.
The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1].
[1]: http://permalink.gmane.org/gmane.linux.kernel/2046107
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When fixing the TSO support I noticed we just mask ->gso_size with the
MSSMask value and don't care about the consequences.
Provide a .ndo_features_check() method which drops the NETIF_F_TSO
feature for any skb which would exceed the maximum, and thus forces it
to be segmented by software.
Then we can stop the masking in cp_start_xmit(), and just WARN if the
maximum is exceeded, which should now never happen.
Finally, Francois Romieu noticed that we didn't even have the right
value for MSSMask anyway; it should be 0x7ff (11 bits) not 0xfff.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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I fixed TSO. Hardware checksum and scatter/gather also appear to be
working correctly both on real hardware and in QEMU's emulation.
Let's enable them by default and see if anyone screams...
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We are seeing unexplained TX timeouts under heavy load. Let's try to get
a better idea of what's going on.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The low 16 bits of the 'opts1' field in the TX descriptor are supposed
to still contain the buffer length when the descriptor is handed back to
us. In practice, at least on my hardware, they don't. So stash the
original value of the opts1 field and get the length to unmap from
there.
There are other ways we could have worked out the length, but I actually
want a stash of the opts1 field anyway so that I can dump it alongside
the contents of the descriptor ring when we suffer a TX timeout.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We calculate the value of the opts1 descriptor field in three different
places. With two different behaviours when given an invalid packet to
be checksummed — none of them correct. Sort that out.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When sending a TSO frame in multiple buffers, we were neglecting to set
the first descriptor up in TSO mode.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After a certain amount of staring at the debug output of this driver, I
realised it was lying to me.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If an RX interrupt was already received but NAPI has not yet run when
the RX timeout happens, we end up in cp_tx_timeout() with RX interrupts
already disabled. Blindly re-enabling them will cause an IRQ storm.
(This is made particularly horrid by the fact that cp_interrupt() always
returns that it's handled the interrupt, even when it hasn't actually
done anything. If it didn't do that, the core IRQ code would have
detected the storm and handled it, I'd have had a clear smoking gun
backtrace instead of just a spontaneously resetting router, and I'd have
at *least* two days of my life back. Changing the return value of
cp_interrupt() will be argued about under separate cover.)
Unconditionally leave RX interrupts disabled after the reset, and
schedule NAPI to check the receive ring and re-enable them.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Unless we reset the RX config, on real hardware I don't seem to receive
any packets after a TX timeout.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This can be called from cp_tx_timeout() with interrupts disabled.
Spotted by Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=104031
Fixes: 6e85d5ad36a26debc23a9a865c029cbe242b2dc8
Based on the discussion starting at
http://www.spinics.net/lists/netdev/msg342193.html
Tested locally on RTL8168evl/8111evl with various concurrent processes
accessing /proc/net/dev while changing the link state as well as
removing/reloading the r8169 module.
Signed-off-by: Corinna Vinschen <vinschen@redhat.com>
Tested-by: poma <pomidorabelisima@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The multicast hardware counter on 8168/8111 chips is only 32 bit while the
statistics in struct rtnl_link_stats64 are 64 bit. Given that statistics
are requested on an irregular basis, an overflow of the hardware counter
can go unnoticed. To count even very large numbers of multicast packets
reliably, add a software counter and remove previously applied code to
fill the multicast field requested by @rtl8169_get_stats64 with the values
read from the rx_multicast hardware counter.
Signed-off-by: Corinna Vinschen <vinschen@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The r8169 driver collects statistical information returned by
@get_stats64 by counting them in the driver itself, even though many
(but not all) of the values are already collected by tally counters
(TCs) in the NIC. Some of these TC values are not returned by
@get_stats64. Especially the received multicast packages are missing
from /proc/net/dev.
Rectify this by fetching the TCs and returning them from
rtl8169_get_stats64.
The counters collected in the driver obviously disappear as soon as the
driver is unloaded so after a driver is loaded the counters always start
at 0. The TCs on the other hand are only reset by a power cycle. Without
further considerations the values collected by the driver would not match
up against the TC values.
This patch introduces a new function rtl8169_reset_counters which
resets the TCs. Also, since rtl8169_reset_counters shares most of
its code with rtl8169_update_counters, refactor the shared code into
two new functions rtl8169_map_counters and rtl8169_unmap_counters.
Unfortunately chip versions prior to RTL_GIGA_MAC_VER_19 don't allow
to reset the TCs programatically. Therefore introduce an addition to
the rtl8169_private struct and a function rtl8169_init_counter_offsets
to store the TCs at first rtl_open. Use these values as offsets in
rtl8169_get_stats64. Propagate a failure to reset *and* update the
counters up to rtl_open and emit a warning message, if so.
Signed-off-by: Corinna Vinschen <vinschen@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Enforcing this flag in RxConfig for the mentioned chips fixes netdev
watchdog issues prepended with AMD IOMMU message(s) like:
AMD-Vi: Event logged [IO_PAGE_FAULT device=01:00.0 domain=0x001d address=0x0000000000003000 flags=0x0050]
Note that this flag is also set in Realtek's own driver for these chips.
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Tested-by: Alexander Lindqvist <alexander@bitspace.se>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This howto made sense in the 1990s when users had to manually configure
ISA cards with jumpers or vendor utilities, but with the implementation
of PCI it became increasingly less and less relevant, to the point where
it has been well over a decade since I last updated it. And there is
no value in anyone else taking over updating it either.
However the references to it continue to spread as boiler plate text
from one Kconfig file into the next. We are not doing end users any
favours by pointing them at this old document, so lets kill it with
fire, once and for all, to hopefully stop any further spread.
No code is changed in this commit, just Kconfig help text.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The function r8169_csum_workaround is called in the ndo_start_xmit path of
the r8169 driver. As such it should not be using dev_kfree_skb as it is
not irq safe, so instead we should be using dev_kfree_skb_any for freeing
in the dropped path, and dev_consume_skb_any for any frames that were
transmitted.
Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change 'firwmare' to 'firmware'
Signed-off-by: Yannick Guerrini <yguerrini@tomshardware.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are certain regressions which are pointing to
these two commits which we are having a hard time
resolving. So revert them for now.
Specifically this reverts:
commit 0bec3b700d106a8b0a34227b2976d1a582f1aab7
Author: Florian Westphal <fw@strlen.de>
Date: Wed Jan 7 10:49:49 2015 +0100
r8169: add support for xmit_more
and
commit 1e918876853aa85435e0f17fd8b4a92dcfff53d6
Author: Florian Westphal <fw@strlen.de>
Date: Wed Oct 1 13:38:03 2014 +0200
r8169: add support for Byte Queue Limits
There were some attempts by Eric Dumazet to address some obvious
problems in the TX flow, to see if they would fix the problems,
but none of them seem to help for the regression reporters.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull networking updates from David Miller:
1) More iov_iter conversion work from Al Viro.
[ The "crypto: switch af_alg_make_sg() to iov_iter" commit was
wrong, and this pull actually adds an extra commit on top of the
branch I'm pulling to fix that up, so that the pre-merge state is
ok. - Linus ]
2) Various optimizations to the ipv4 forwarding information base trie
lookup implementation. From Alexander Duyck.
3) Remove sock_iocb altogether, from CHristoph Hellwig.
4) Allow congestion control algorithm selection via routing metrics.
From Daniel Borkmann.
5) Make ipv4 uncached route list per-cpu, from Eric Dumazet.
6) Handle rfs hash collisions more gracefully, also from Eric Dumazet.
7) Add xmit_more support to r8169, e1000, and e1000e drivers. From
Florian Westphal.
8) Transparent Ethernet Bridging support for GRO, from Jesse Gross.
9) Add BPF packet actions to packet scheduler, from Jiri Pirko.
10) Add support for uniqu flow IDs to openvswitch, from Joe Stringer.
11) New NetCP ethernet driver, from Muralidharan Karicheri and Wingman
Kwok.
12) More sanely handle out-of-window dupacks, which can result in
serious ACK storms. From Neal Cardwell.
13) Various rhashtable bug fixes and enhancements, from Herbert Xu,
Patrick McHardy, and Thomas Graf.
14) Support xmit_more in be2net, from Sathya Perla.
15) Group Policy extensions for vxlan, from Thomas Graf.
16) Remove Checksum Offload support for vxlan, from Tom Herbert.
17) Like ipv4, support lockless transmit over ipv6 UDP sockets. From
Vlad Yasevich.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1494+1 commits)
crypto: fix af_alg_make_sg() conversion to iov_iter
ipv4: Namespecify TCP PMTU mechanism
i40e: Fix for stats init function call in Rx setup
tcp: don't include Fast Open option in SYN-ACK on pure SYN-data
openvswitch: Only set TUNNEL_VXLAN_OPT if VXLAN-GBP metadata is set
ipv6: Make __ipv6_select_ident static
ipv6: Fix fragment id assignment on LE arches.
bridge: Fix inability to add non-vlan fdb entry
net: Mellanox: Delete unnecessary checks before the function call "vunmap"
cxgb4: Add support in cxgb4 to get expansion rom version via ethtool
ethtool: rename reserved1 memeber in ethtool_drvinfo for expansion ROM version
net: dsa: Remove redundant phy_attach()
IB/mlx4: Reset flow support for IB kernel ULPs
IB/mlx4: Always use the correct port for mirrored multicast attachments
net/bonding: Fix potential bad memory access during bonding events
tipc: remove tipc_snprintf
tipc: nl compat add noop and remove legacy nl framework
tipc: convert legacy nl stats show to nl compat
tipc: convert legacy nl net id get to nl compat
tipc: convert legacy nl net id set to nl compat
...
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI changes from Bjorn Helgaas:
"Enumeration
- Move domain assignment from arm64 to generic code (Lorenzo Pieralisi)
- ARM: Remove artificial dependency on pci_sys_data domain (Lorenzo Pieralisi)
- ARM: Move to generic PCI domains (Lorenzo Pieralisi)
- Generate uppercase hex for modalias var in uevent (Ricardo Ribalda Delgado)
- Add and use generic config accessors on ARM, PowerPC (Rob Herring)
Resource management
- Free resources on failure in of_pci_get_host_bridge_resources() (Lorenzo Pieralisi)
- Fix infinite loop with ROM image of size 0 (Michel Dänzer)
PCI device hotplug
- Handle surprise add even if surprise removal isn't supported (Bjorn Helgaas)
Virtualization
- Mark AMD/ATI VGA devices that don't reset on D3hot->D0 transition (Alex Williamson)
- Add DMA alias quirk for Adaptec 3405 (Alex Williamson)
- Add Wellsburg (X99) to Intel PCH root port ACS quirk (Alex Williamson)
- Add ACS quirk for Emulex NICs (Vasundhara Volam)
MSI
- Fail MSI-X mappings if there's no space assigned to MSI-X BAR (Yijing Wang)
Freescale Layerscape host bridge driver
- Fix platform_no_drv_owner.cocci warnings (Julia Lawall)
NVIDIA Tegra host bridge driver
- Remove unnecessary tegra_pcie_fixup_bridge() (Lucas Stach)
Renesas R-Car host bridge driver
- Fix error handling of irq_of_parse_and_map() (Dmitry Torokhov)
TI Keystone host bridge driver
- Fix error handling of irq_of_parse_and_map() (Dmitry Torokhov)
- Fix misspelling of current function in debug output (Julia Lawall)
Xilinx AXI host bridge driver
- Fix harmless format string warning (Arnd Bergmann)
Miscellaneous
- Use standard parsing functions for ASPM sysfs setters (Chris J Arges)
- Add pci_device_to_OF_node() stub for !CONFIG_OF (Kevin Hao)
- Delete unnecessary NULL pointer checks (Markus Elfring)
- Add and use defines for PCIe Max_Read_Request_Size (Rafał Miłecki)
- Include clk.h instead of clk-private.h (Stephen Boyd)"
* tag 'pci-v3.20-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (48 commits)
PCI: Add pci_device_to_OF_node() stub for !CONFIG_OF
PCI: xilinx: Convert to use generic config accessors
PCI: xgene: Convert to use generic config accessors
PCI: tegra: Convert to use generic config accessors
PCI: rcar: Convert to use generic config accessors
PCI: generic: Convert to use generic config accessors
powerpc/powermac: Convert PCI to use generic config accessors
powerpc/fsl_pci: Convert PCI to use generic config accessors
ARM: ks8695: Convert PCI to use generic config accessors
ARM: sa1100: Convert PCI to use generic config accessors
ARM: integrator: Convert PCI to use generic config accessors
PCI: versatile: Add DT-based ARM Versatile PB PCIe host driver
ARM: dts: versatile: add PCI controller binding
of/pci: Free resources on failure in of_pci_get_host_bridge_resources()
PCI: versatile: Add DT docs for ARM Versatile PB PCIe driver
PCI: Fail MSI-X mappings if there's no space assigned to MSI-X BAR
r8169: use PCI define for Max_Read_Request_Size
[SCSI] esas2r: use PCI define for Max_Read_Request_Size
tile: use PCI define for Max_Read_Request_Size
rapidio/tsi721: use PCI define for Max_Read_Request_Size
...
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Replace a magic number with a PCI #define symbol.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: David S. Miller <davem@davemloft.net>
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The same macros are used for rx as well. So rename it.
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Delay update of hw tail descriptor if we know that another skb is going
to be sent.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For linux-3.18.0
The driver lacks netif_napi_del in the normal path and error path
to match the call of netif_napi_add in rtl8139_init_one.
This patch fixes this problem.
Signed-off-by: Jia-Ju Bai <baijiaju1990@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For linux-3.18.0
When pci_request_regions is failed in rtl8139_init_board, pci_disable_device
is not called to disable the device which are enabled by pci_enable_device,
because of disable_dev_on_err is not assigned 1.
This patch fix this problem.
Signed-off-by: Jia-Ju Bai <baijiaju1990@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add ephy parameter to rtl8168g.
Also change the common function of rtl8168g from "rtl_hw_start_8168g_1" to
"rtl_hw_start_8168g". And function "rtl_hw_start_8168g_1" is used for
setting rtl8168g hardware parameters.
Following is the explanation of what hardware parameter change for.
rtl8168g may erroneous judge the PCIe signal quality and show the error bit
on PCI configuration space when in PCIe low power mode.
The following ephy parameters are for above issue.
{ 0x00, 0x0000, 0x0008 }
{ 0x0c, 0x37d0, 0x0820 }
{ 0x1e, 0x0000, 0x0001 }
rtl8168g may return to PCIe L0 from PCIe L0s low power mode too slow.
The following ephy parameter is for above issue.
{ 0x19, 0x8000, 0x0000 }
Signed-off-by: Chunhao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The r8169 use a pair of wmb() calls when setting up the descriptor rings.
The first is to synchronize the descriptor data with the descriptor status,
and the second is to synchronize the descriptor status with the use of the
MMIO doorbell to notify the device that descriptors are ready. This can
come at a heavy price on some systems, and is not really necessary on
systems such as x86 as a simple barrier() would suffice to order store/store
accesses. As such we can replace the first memory barrier with
dma_wmb() to reduce the cost for these accesses.
In addition the r8169 uses a rmb() to prevent compiler optimization in the
cleanup paths, however by moving the barrier down a few lines and replacing
it with a dma_rmb() we should be able to use it to guarantee
descriptor accesses do not occur until the device has updated the DescOwn
bit from its end.
One last change I made is to move the update of cur_tx in the xmit path to
after the wmb. This way we can guarantee the device and all CPUs should
see the DescOwn update before they see the cur_tx value update.
Cc: Realtek linux nic maintainers <nic_swsd@realtek.com>
Cc: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This replaces most of the calls to netdev_alloc_skb_ip_align in the Realtek
drivers. The one instance I didn't replace in 8139cp.c is because it was
called as a part of init and as such is not always accessed from the
softirq context.
Cc: Realtek linux nic maintainers <nic_swsd@realtek.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace rtl_skb_pad with eth_skb_pad since they do the same thing.
Cc: Realtek linux nic maintainers <nic_swsd@realtek.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Cmac engine is the bridge between driver and dash firmware.
Other os may not disable cmac when leave. And r8169 did not allocate any
resources for cmac engine. Disable it to prevent abnormal system behavior.
Signed-off-by: Chunhao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For RTL8168G/GU/H/EP and RTL8411B remove enable tx/rx from its own hw_start
function. This will prevent enable tx/rx before complete hardware tx/rx
setting.
Tx/Rx will be enabled in the end of function rtl_hw_start_8168.
Signed-off-by: Chunhao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As pointed out by Ben Hutchings drivers that allow using VLAN have to
provide enough headroom for the VLAN tags.
Signed-off-by: Alban Bedel <albeu@free.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This driver allows MTU up to 1518 bytes which is not enought to run
batman-adv. Simply raise the maximum packet size up to the maximum
allowed by the transmit descriptor, 1792 bytes, giving a maximum MTU
of 1774 bytes.
Signed-off-by: Alban Bedel <albeu@free.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace the default ndo_change_mtu callback with one that allow
setting MTU that the driver can handle.
Signed-off-by: Alban Bedel <albeu@free.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Several warnings and errors of coding style rules corrected.
Compile tested.
Signed-off-by: Roberto Medina <robertoxmed@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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RTL8168EP is Realtek PCIe Gigabit Ethernet controller with DASH support.
It is a successor chip of RTL8168DP.
For RTL8168EP, the read/write ocp register is via eri channel type 2, so I
move ocp_xxx() related functions under rtl_eri_xxx. And use r8168dp_ocp_xxx()
for RTL8168DP ocp read/write, r8168ep_ocp_xxx() for RTL8168EP ocp read/write.
The way of checking dash enable is different with RTL8168DP. I use
r8168dp_check_dash()for RTL8168DP and r8168ep_check_dash() for RTL8168EP,
to check if dash is enabled.
The driver_start() and driver_stop() of RTL8168EP is also different with
RTL8168DP. I use rtl8168dp_driver_xxx() for RTL8168DP and
rtl8168ep_driver_xxx for RTL8168EP.
Right now, RTL8168EP phy mcu did not need firmware code patch, so I did not
add firmware code for it.
so I did not add firmware code for it.
Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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tested on RTL8168d/8111d model using 'super_netperf 40' with TCP/UDP_STREAM.
Output of
while true; do
for n in inflight limit; do
echo -n $n\ ; cat $n;
done;
sleep 1;
done
during netperf run, 100mbit peer:
inflight 0
limit 3028
inflight 6056
limit 4542
[ trimmed output for brevity, no limit/inflight changes during
test steady-state ]
limit 4542
inflight 3028
limit 6122
inflight 0
limit 6122
[ changed cable to 1gbit peer, restart netperf ]
inflight 37850
limit 36336
inflight 33308
limit 31794
inflight 33308
limit 31794
inflight 27252
limit 25738
[ again, no changes during test ]
inflight 27252
limit 25738
inflight 0
limit 28766
[ change cable to 100mbit peer, restart netperf ]
limit 28766
inflight 27370
limit 28766
inflight 4542
limit 5990
inflight 6056
limit 4542
[ .. ]
inflight 6056
limit 4542
inflight 0
[end of test]
Cc: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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dash function is enabled
These two functions are used to inform dash firmware that driver is been
brought up or brought down. So call these two functions only when hardware dash
function is enabled.
Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In function "rtl8168_oob_notify", using function "rtl_eri_write" to access
eri register 0xe8, instead of using MAC register "ERIDR" and "ERIAR" to
access it.
For using function "rtl_eri_write" in function "rtl8168_oob_notify", need to
move down "rtl8168_oob_notify" related functions under the function
"rtl_eri_write".
Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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DASH function not only RTL8168DP can support, but also RTL8168EP.
So change the name of function "r8168dp_check_dash" to "r8168_check_dash".
Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change the name of function "rtl_w1w0_eri" to "rtl_w0w1_eri".
In this function, the local variable "val" is "write zeros then write ones".
Please see below code.
(val & ~m) | p
In this patch, change the function name from "xx_w1w0_xx" to "xx_w0w1_xx".
The changed function name is more suitable for it's behavior.
Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change function name from "rtl_w1w0_phy" to "rtl_w0w1_phy".
And its behavior from "write ones then write zeros" to
"write zeros then write ones".
In Realtek internal driver, bitwise operations are almost "write zeros then
write ones". For easy to port hardware parameters from Realtek internal driver
to Linux kernal driver "r8169", we would like to change this function's
behavior and its name.
Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For RTL8168F RTL8168FB RTL8168G RTL8168GU RTL8411 RTL8411B RTL8402 RTL8107E,
the magic packet enable bit is changed to eri 0xde bit0.
In this patch, change magic packet enable bit of these chips to eri 0xde bit0.
Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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RTL8168FB RTL8168G RTL8168GU RTL8411 RTL8411B RTL8106EUS RTL8402 can
support get mac address from backup mac address register.
Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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RTL8411B can support disable/enable pll function.
Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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RTL8168G also can disable/enable pll function.
Signed-off-by: Chun-Hao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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