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This introduces another flag in 'quirks' to replace the preprocessor
define (USE_MMIO) used to indicate whether the device needs a
separate enable routine to operate in MMIO mode.
All of the currently known platform Rhine cores operate in MMIO
mode by default, and on PCI it is preferred over PIO for performance
reasons. However, a comment in code suggests that some (?) early
Rhine cores only work in PIO mode, so they should not be switched
to MMIO.
Enabling MMIO on PCI is still triggered by the same Kconfig option
to avoid breaking user configs needlessly, but this can be changed
going forward towards automatic runtime detection in case a list of
PIO-only Rhine revisions can be compiled.
This also fixes a couple of compiler warnings detected by Fengguang
Wu's test bot (!USE_MMIO case):
drivers/net/ethernet/via/via-rhine.c: In function 'rhine_init_one_pci':
drivers/net/ethernet/via/via-rhine.c:1108:1: warning: label 'err_out_unmap' defined but not used [-Wunused-label]
err_out_unmap:
^
drivers/net/ethernet/via/via-rhine.c:1022:6: warning: unused variable 'i' [-Wunused-variable]
int i, rc;
^
drivers/net/ethernet/via/via-rhine.c:916:22: warning: 'quirks' may be used uninitialized in this function [-Wmaybe-uninitialized]
phy_id = rp->quirks & rqIntPHY ? 1 : 0;
^
drivers/net/ethernet/via/via-rhine.c:1026:6: note: 'quirks' was declared here
u32 quirks;
^
Signed-off-by: Alexey Charkov <alchark@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
John W. Linville says:
====================
pull request: wireless-next 2014-05-02
Please pull this batch of updates intended for the 3.16 stream...
For the mac80211 bits, Johannes says:
"In this round we have a large number of small features and
improvements from people too numerous to list here. The only really
bit thing is Michał and Luca's CSA work (including changing how
interface combination verification is done)."
For the Bluetooth bits, Gustavo says:
"Here goes some patches for the -next release. There is nothing
really special for this pull request, just a bunch of refactors,
fixes and clean ups."
For the ath10k/ath6kl bits, Kalle says:
"For ath6kl Kalle fixed a bunch of checkpatch warnings.
In ath10k we had more changes, major ones being:
* fix memory allocation failures after a firmware crash (Michal)
* some rework of DFS configuration to enable it correctly in all cases
(Michal)
* add a new firmware crash option to make it possible to crash 10.1
firmware for testing purposes (Marek P)
* fix RTS/CTS protection in certain cases (Marek K)
* fix wrong RSSI and rate reporting in some cases (Janusz)
* fix firmware stats reporting (Chun, Ben & Bartosz)"
For the iwlwifi bits, Emmanuel says:
"I have here a bunch of unrelated things. I disabled support for
-7.ucode which means that I can removed a lot of code. Eliad has
a brand new feature: we reduce the Tx power when the link allows -
this reduces our power consumption. The regular changes in power and
scan area. One interesting thing though is the patches from Johannes,
we have now GRO which allows to increase our throughput in TCP Rx. The
main advantage is that it reduces the number of TCP Acks - these TCP
Acks are completely useless when we are using A-MPDU since the first
packet of the A-MPDU generates a TCP Ack which is made obsolete by
the next packets."
Along with that, there are a variety of updates to b43, mwifiex,
rtl8180 and wil6210 drivers and a handful of other updates here
and there.
Please let me know if there are problems!
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Enable the Annex F Time Sync explicitly for DRA7x and AM4372.
With this enabled the L2 PTP is working.
while at that rename TS_BIT8 to TS_TTL_NONZERO
Signed-off-by: George Cherian <george.cherian@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Enable cpts hardware time stamping for Dra7xx and AM4372.
This enables PTPv2 for DRA7xx and AM4372.
Signed-off-by: George Cherian <george.cherian@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
CPTS refclk name is hardcoded, which makes it fail in case of DRA7x
Remove the hardcoded clock name for CPTS refclk and get the same from DT.
Signed-off-by: George Cherian <george.cherian@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Simplify IO memory mapping by using devm_ioremap_resource()
which will do all errors handling and reporting for us.
Acked-and-tested-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The "default" pinctrl state is set by Drivers core now before
calling the driver's probe.
Hence, it's safe to drop pinctrl_pm_select_default_state() call
from Davinci mdio driver probe.
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Acked-and-tested-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use devm_* API for memory allocation and to get device's clock
to simplify driver's code.
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-and-tested-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a resource managed devm_mdiobus_alloc[_size]()/devm_mdiobus_free()
to automatically clean up MDIO bus alocations made by MDIO drivers,
thus leading to simplified MDIO drivers code.
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-and-tested-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This adds two new flags to quirks and thus removes the need to carry
revision in rhine_private. As a result, the init logic is simplified
a bit.
This also fixes a compiler warning in OF code on 64bit due to pointer
casting:
drivers/net/ethernet/via/via-rhine.c: In function ‘rhine_init_one_platform’:
drivers/net/ethernet/via/via-rhine.c:1132:13: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
revision = (u32)match->data;
^
That code was added in commit 2d283862dc
("net: via-rhine: add OF bus binding").
Tested in platform configuration on a VIA WM8950 APC Rock board.
Reported-by: Jan Moskyto Matejka <mq@suse.cz>
Signed-off-by: Alexey Charkov <alchark@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We send packets using a copy-free mechanism (this is the Guest to Host transport
via VMBUS). While this is obviously optimal for large packets,
it may not be optimal for small packets. Hyper-V host supports
a second mechanism for sending packets that is "copy based". We implement that
mechanism in this patch.
In this version of the patch I have addressed a comment from David Miller.
With this patch (and all of the other offload and VRSS patches), we are now able
to almost saturate a 10G interface between Linux VMs on Hyper-V
on different hosts - close to 9 Gbps as measured via iperf.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
mii_irq[] array is never initialized anywhere in the driver, thus mii_irq[]
will always equate to zero. So, for the case where the PHY does not have an
irq, we should use PHY_POLL for that situation.
Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
Tested-by: Vince Bridgers <vbridger@altera.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is a small supplement for commit e7428e95a0
("virtio-net: put virtio-net header inline with data"). TCP packages have
enough room to put virtio-net header in, but UDP packages do not. By
setting dev->needed_headroom for virtio-net device, UDP packages could have
enough room.
For UDP packages, sk_buff is alloced in fun __ip_append_data. The size is
"alloclen + hh_len + 15", and "hh_len = LL_RESERVED_SPACE(rt-dst.dev);".
The Macro is defined as follows:
#define LL_RESERVED_SPACE(dev) \
((((dev)->hard_header_len+(dev)->needed_headroom)\
&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
By default, for UDP packages, after skb is allocated, only 16 bytes
reserved. And 2 bytes remained after mac header is set. That is not enough
to put virtio-net header in. If we set dev->needed_headroom to 12 or 10
(according to mergeable_rx_bufs is on or off ), more room can be reserved.
Then there is enough room for UDP packages to put the header in.
test result list as below:
guest and host: suse11sp3, netperf, intel 2.4GHz
+-------+---------+---------+---------+---------+
| | old | new |
+-------+---------+---------+---------+---------+
| UDP | Gbit/s | pps | Gbit/s | pps |
| 64 | 0.57 | 692232 | 0.61 | 742420 |
| 256 | 1.60 | 686860 | 1.71 | 733331 |
| 512 | 2.92 | 674576 | 3.07 | 710446 |
| 1024 | 4.99 | 598977 | 5.17 | 620821 |
| 1460 | 5.68 | 483757 | 7.16 | 610519 |
| 4096 | 6.98 | 637468 | 7.21 | 658471 |
+-------+---------+---------+---------+---------+
Signed-off-by: Zhang Jie <zhangjie14@huawei.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the helper function to retrieve the driver private context instead of
using (void *)(ds + 1).
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Adjust FIR filter co-efficients to improve EVM for 11b rates.
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rfsat gainchange hysteresis of rf_gain stuck with large
interference present.
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
I was reading ath5k power setting code and
noticed typing error in ath5k_hw_txpower function.
Invalid value was written to AR5K_PHY_TXPOWER_RATE_MAX
register.
Signed-off-by: Nikolay Ledovskikh <nledovskikh@gmail.com>
Acked-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Coverity CID 986698 reports leakage of struct wlcore_platdev_data in the
probe functions of both the SPI/SDIO interfaces. The structure passed to
platform_device_add_data() is dynamically allocated and only freed in the
error paths, however, platform_device_add_data() adds a copy of the platform
specific data to the device. Move the temporary struct that is kmemdup'ed
to the stack. This issue exists since afb43e6d (wlcore: remove if_ops from
platform_data).
Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
94010fa0dd ("rtlwifi: add MSI interrupts
mode support") introduced MSI interrupts mode support, which seemed
safe enough with RTL8188EE and RTL8723BE as RealTek's testing results,
but some users reported their RTL8188EE modules could not connect to
any wireless network after the MSI mode was enabled by Ubuntu 14.04.
So, let's fallback to pin-based mode until rtlwifi's MSI support get
good compatibility.
BugLink: https://bugs.launchpad.net/bugs/1310512
Signed-off-by: Adam Lee <adam.lee@canonical.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This reverts commit 2a54eb5e14
("rtlwifi: rtl8188ee: enable MSI interrupts mode").
94010fa0dd ("rtlwifi: add MSI interrupts
mode support") introduced MSI interrupts mode support, which seemed
safe enough with RTL8188EE and RTL8723BE as RealTek's testing results,
but some users reported their RTL8188EE modules could not connect to
any wireless network after the MSI mode was enabled by Ubuntu 14.04.
So, let's fallback to pin-based mode until rtlwifi's MSI support get
good compatibility.
BugLink: https://bugs.launchpad.net/bugs/1310512
Signed-off-by: Adam Lee <adam.lee@canonical.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Setting it to true during init doesn't seem to be any workaround while
it can cause problems (not enabling radio due to belief it's enabled).
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This removes dealing with pointers directly and allows tracking radio
state with radio_on variable.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
mac80211 takes care of all the needed steps for hwsim, so indicate
support for this capability.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Some information returned via "Get Link Status" command was not
being cached in the struct i40e_link_status.
Add this so the driver can utilize this information as needed.
Change-ID: If084a0ae2a63b16b97572196b993742af2c67772
Signed-off-by: Neerav Parikh <neerav.parikh@intel.com>
Acked-by: Greg Rose <gregory.v.rose@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Change the formal parameters to remove argument which is no longer used.
Change-ID: I493b56eba74a1f396fa1b7d24c0a4acbe536b5bf
Signed-off-by: Kevin Scott <kevin.c.scott@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Ethtool -k/-K can handle this so we do not need it in debugfs.
Change-ID: I9df692f10a60b71805f8f48d3b87c7da3820b2aa
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Although NTUPLE feature control is disabled by default, do not
allow user to be able to change it.
Change-ID: I4c3f95fb6dbc56b1b6cc47116ea1f72de02bc99c
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Change the variable type to avoid compiler warning about int to u16
possible data truncation.
Change-ID: I5eb3b578c86513c9625ca32d2f0b57cc01d7dc98
Signed-off-by: Kevin Scott <kevin.c.scott@intel.com>
Acked-by: Greg Rose <gregory.v.rose@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
If the PF driver fails or is removed from the host, the VF driver will
fill up its log with this message.
Change-ID: I67045f987f7c0d444d21ded403adc509343cdb8f
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Fix a panic that would occur in the VF if the PF driver failed or was
removed from the host kernel. In this case, the VF driver calls
i40evf_close(), but this function does nothing because the driver is in
the resetting state. Because of this, the driver doesn't free its irqs
and causes a kernel panic when it tries to disable MSI-X.
Change-ID: If95644a89e554b4d7be0dca1b6add26f63047129
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
In case of any AQ command to query port's DCB configuration fails
during driver's probe time; the probe fails and returns an error.
This patch prevents this issue by continuing the driver probe even
when an error is returned.
Also, added an error message to dump the AQ error status to show what
error caused the failure to get the DCB configuration from firmware.
Change-ID: Ifd5663512588bca684069bb7d4fb586dd72221af
Signed-off-by: Neerav Parikh <Neerav.Parikh@intel.com>
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
The queue vectors are originally distributed among the total
number of queues that are configured for a given VSI. The number
of queues that are configured for a VSI depends on the number of
TCs that are enabled for the VSI at VSI setup/creation time.
But, the total number of queues that are configured for a VSI may
change based on change in the total number of TCs enabled as a
result of change in DCB configuration based on DCBX.
Hence, it is required for the queue vectors to be redistributed
when the total queues that are configured for a given VSI changes.
Without redistributing the vectors the queues that are configured
for the newly enabled TCs may not be able to do any Tx/Rx.
Change-ID: I4e780903db019e6199c7ce43627cef22c916acfe
Signed-off-by: Neerav Parikh <Neerav.Parikh@intel.com>
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
The driver version string was added to this struct to be passed
down through the firmware to low-level NC-SI functions. We tell
the firmware about the length of the ASCII string not counting
any terminating null.
Change-ID: I09ac98ff9b869e8661c55fc6a5c98808fc280c91
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Acked-by: Anjali Singhai <anjali.singhai@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
The function to set the VF MAC address was not taking the port VLAN
filter into account when setting/clearing/resetting the VF's host
administered MAC address. Be sure to use the port VLAN for VF MAC
filtering configurations.
Change-ID: I12595331981c79529738f041dcdbdb667ef8f5e6
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Add support for getting and setting RSS hashing options, RSS LUT
entries, and getting the number of device channels from ethtool. Because
the LUT is so small for the VFs, we just read and write the device
registers directly instead of maintaining a shadow copy.
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
We were already taking care to retain the MAC filter list when deleting a
port VLAN. Take some additional care to retain the MAC filter list when
changing a port VLAN.
Change-ID: Iacf9599ea24ecb4dca8e419aacaf4b58ca361a9c
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch removes the unnecessary ptp_tx_work item. It conflicts with
the interrupt-based handler, and will cause spurious warning messages to
be displayed in the kernel log. Since the hardware can properly trigger
an interrupt, we do not need to poll for an available timestamp in a
work queue any more.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
o When the driver loads in legacy interrupt mode, only vNICs
with PCI function number 0-7 are supported.
Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
o Tx interrupt coalescing parameters can now be set from VF.
o Added validation code in PF to validate the parameters.
Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
* Use rx_mac_learn instead of mac_learn and eSwitch flag check in Rx path of
82xx adapter.
* Check for MAC filter overrun only after driver scans through cached MAC address list.
This will help to update the time stamp of cached MAC addresses even if
adapter runs out of MAC address filter limit.
* Remove expensive log thrown by driver when MAC address filters are exhausted
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
