linux-2.6-microblaze.git
5 years agorsi: add hci detach for hibernation and poweroff
Siva Rebbagondla [Mon, 4 Feb 2019 06:33:26 +0000 (12:03 +0530)]
rsi: add hci detach for hibernation and poweroff

As we missed to detach HCI, while entering power off or hibernation,
an extra hci interface gets created whenever system is woken up, to
avoid this we added hci_detach() in rsi_disconnect(), rsi_freeze(),
and rsi_shutdown() functions which are invoked for these tests.
This patch fixes the issue

Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agorsi: Add debug support for wowlan wakeup confirmation
Siva Rebbagondla [Mon, 4 Feb 2019 06:33:25 +0000 (12:03 +0530)]
rsi: Add debug support for wowlan wakeup confirmation

When a wowlan magic-packet has received to wake up the device, currently
driver is not taking care of what kind of packet has received. This patch
will add debug support for wakeup reason in driver.

Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agortlwifi: remove set but not used variable 'cmd_seq'
YueHaibing [Wed, 30 Jan 2019 03:15:26 +0000 (11:15 +0800)]
rtlwifi: remove set but not used variable 'cmd_seq'

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/net/wireless/realtek/rtlwifi/base.c: In function 'rtl_c2h_content_parsing':
drivers/net/wireless/realtek/rtlwifi/base.c:2313:13: warning:
 variable 'cmd_seq' set but not used [-Wunused-but-set-variable]

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agomwifiex: don't print error message on coex event
Stefan Agner [Mon, 28 Jan 2019 15:43:10 +0000 (16:43 +0100)]
mwifiex: don't print error message on coex event

The BT coex event is not an error condition. Don't print an error
message in this case. The same even in sta_event.c prints a
message using the debug level already.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agobrcmfmac: support monitor frames with the hardware/ucode header
Rafał Miłecki [Fri, 8 Feb 2019 06:42:30 +0000 (07:42 +0100)]
brcmfmac: support monitor frames with the hardware/ucode header

So far there were two monitor frame formats:
1) 802.11 frames (with frame (sub)type & all addresses)
2) 802.11 frames with the radiotap header

Testing the latest FullMAC firmwares for 4366b1/4366c0 resulted in
discovering a new format being used. It seems (almost?) identical to the
one known from ucode used in SoftMAC devices which is most likely the
same codebase anyway.

While new firmwares will /announce/ radiotap header support using the
"rtap" fw capability string it seems no string was added for the new
ucode header format.

All above means that:
1) We need new format support when dealing with a received frame
2) A new feature bit & mapping quirks have to be added manually

As for now only an empty radiotap is being created. Adding support for
extracting some info (band, channel, signal, etc.) is planned for the
future.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agobrcmfmac: fix typos
Matteo Croce [Tue, 29 Jan 2019 17:47:17 +0000 (18:47 +0100)]
brcmfmac: fix typos

Fix spelling mistakes in brcmfmac: "lenght" -> "length".
The typos are also in the special comment blocks which
translates to documentation.

Signed-off-by: Matteo Croce <mcroce@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agobrcmfmac: add bphy_err() and use it in the cfg80211.c
Rafał Miłecki [Wed, 16 Jan 2019 06:28:54 +0000 (07:28 +0100)]
brcmfmac: add bphy_err() and use it in the cfg80211.c

This new macro uses wiphy_err() which:
1) Should be the best choice with wiphy already created
2) Uses dev_err() which allows identifying error-affected device

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agobrcmfmac: pass bus to the __brcmf_err() in pcie.c
Rafał Miłecki [Wed, 6 Feb 2019 11:28:16 +0000 (12:28 +0100)]
brcmfmac: pass bus to the __brcmf_err() in pcie.c

This enables dev_err() usage (instead of pr_err()) in the __brcmf_err().
It makes error messages more meaningful and is important for debugging
errors/bugs on systems with multiple brcmfmac supported devices.

All bus files should follow & get updated similarly (soon).

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agobrcmfmac: modify __brcmf_err() to take bus as a parameter
Rafał Miłecki [Wed, 6 Feb 2019 11:28:15 +0000 (12:28 +0100)]
brcmfmac: modify __brcmf_err() to take bus as a parameter

So far __brcmf_err() was using pr_err() which didn't allow identifying
device that was affected by an error. It's crucial for systems with more
than 1 device supported by brcmfmac (a common case for home routers).

This change allows passing struct brcmf_bus to the __brcmf_err(). That
struct has been agreed to be the most common one. It allows accessing
struct device easily & using dev_err() printing helper.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers.git
Kalle Valo [Fri, 8 Feb 2019 12:14:35 +0000 (14:14 +0200)]
Merge git://git./linux/kernel/git/kvalo/wireless-drivers.git

The series "[PATCH 0/2] mt76x0: initialize per-channel max_power" depends on
commit d04ca383860b ("mt76x0u: fix suspend/resume"), so merge wireless-drivers
into wireless-drivers-next to get that.

5 years agoMerge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
Kalle Valo [Fri, 8 Feb 2019 12:10:35 +0000 (14:10 +0200)]
Merge ath-next from git://git./linux/kernel/git/kvalo/ath.git

ath.git patches for 5.1. Major changes:

ath10k

* change QMI interface to support the new (and backwards incompatible)
  interface from HL3.1 and used in recent HL2.0 branch firmware releases

ath

* add new country codes for US

5 years agomt76x0u: fix suspend/resume
Stanislaw Gruszka [Wed, 6 Feb 2019 14:34:16 +0000 (15:34 +0100)]
mt76x0u: fix suspend/resume

We need to reset MCU and do other initializations on resume otherwise
MT7610U device will fail to initialize, what cause system hung due to
USB requests timeouts.

Patch fixes 4.19 -> 4.20 regression.

Cc: stable@vger.kernel.org # 4.20+
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agoath: regd: add extra US coutry codes
Oever Gonzalez [Sat, 26 Jan 2019 16:30:19 +0000 (17:30 +0100)]
ath: regd: add extra US coutry codes

This patch adds several country codes to the regd.h and regd_common.h
files in order to support devices like the Linksys EA6350v3, whose
country codes are not present in the original list. Without this patch,
all devices whose manufacturer programmed any of these code in their
EEPROM will not work.

The values for CTRY_UNITED_STATES2 and CTRY_UNITED_STATES3 were taken
from a post by Sven Eckelmann <sven.eckelmann@openmesh.com>:
<http://lists.infradead.org/pipermail/ath10k/2017-August/010014.html>

Signed-off-by: Oever Gonzalez <notengobattery@gmail.com>
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agoath: move spin_lock_bh to spin_lock in tasklet
Zhiwei Jiang [Tue, 22 Jan 2019 16:30:33 +0000 (00:30 +0800)]
ath: move spin_lock_bh to spin_lock in tasklet

as you are already in a tasklet, it is unnecessary to call
spin_lock_bh, because softirq already disable BH.

Signed-off-by: Zhiwei Jiang <qq282012236@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agoath9k: do not return invalid pointers as a *dentry
Greg Kroah-Hartman [Thu, 31 Jan 2019 13:16:25 +0000 (14:16 +0100)]
ath9k: do not return invalid pointers as a *dentry

When calling debugfs functions, they can now return error values if
something went wrong.  If that happens, return a NULL as a *dentry to
the relay core instead of passing it an illegal pointer.

The relay core should be able to handle an illegal pointer, but add this
check to be safe.

Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: QCA ath9k Development <ath9k-devel@qca.qualcomm.com>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agoath10k: fill tx_duration for each peer in Tx stats per STA
Surabhi Vishnoi [Fri, 1 Feb 2019 05:36:30 +0000 (11:06 +0530)]
ath10k: fill tx_duration for each peer in Tx stats per STA

Firmware sends the tx_duration for each in HTT_T2H_MSG_TYPE_PEER_STATS
msg. Fill the tx_duration sent by firmware in the tx stats information
per STA.

Tested HW: WCN3990
Tested FW: WLAN.HL.3.1-00784-QCAHLSWMTPLZ-1,
           WLAN.HL.2.0-01617-QCAHLSWMTPLZ-1

Signed-off-by: Surabhi Vishnoi <svishnoi@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agoath10k: add a condition to fill the LDPC capability correctly
Surabhi Vishnoi [Fri, 1 Feb 2019 05:34:22 +0000 (11:04 +0530)]
ath10k: add a condition to fill the LDPC capability correctly

The firmware advertises the LDPC support information for HT in
HT capability info in the wmi service ready event. To provide
granularity, firmware now advertises WMI_HT_CAP_RX_LDPC and
WMI_HT_CAP_TX_LDPC separately. To support LDPC, host should
also check for WMI_HT_CAP_RX_LDPC and WMI_HT_CAP_TX_LDPC in HT
capabilities.

Add a condition to existing logic in host to know whether firmware
supports LDPC or not.

Tested HW: WCN3990
Tested FW: WLAN.HL.3.1-00784-QCAHLSWMTPLZ-1,
           WLAN.HL.2.0-01617-QCAHLSWMTPLZ-1

Signed-off-by: Surabhi Vishnoi <svishnoi@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agoath10k: reduce transmit msdu count
Alagu Sankar [Fri, 1 Feb 2019 02:17:09 +0000 (10:17 +0800)]
ath10k: reduce transmit msdu count

Reduce the transmit MSDU count for SDIO, to match with the descriptors
as used by the firmware. This also acts as a high watermark level for
transmit. Too many packets to the firmware results in transmit overflow
interrupt.

It only affect SDIO chip, it will not cause functionaly changes to
other hardware.

Tested with QCA6174 SDIO with firmware
WLAN.RMH.4.4.1-00005-QCARMSWP-1.

Signed-off-by: Alagu Sankar <alagusankar@silex-india.com>
Signed-off-by: Wen Gong <wgong@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agoath10k: do not return invalid pointers as a *dentry
Greg Kroah-Hartman [Thu, 31 Jan 2019 13:15:56 +0000 (14:15 +0100)]
ath10k: do not return invalid pointers as a *dentry

When calling debugfs functions, they can now return error values if
something went wrong.  If that happens, return a NULL as a *dentry to
the relay core instead of passing it an illegal pointer.

The relay core should be able to handle an illegal pointer, but add this
check to be safe.

Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: ath10k@lists.infradead.org
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agoath10k: snoc: remove set but not used variable 'ar_snoc'
YueHaibing [Wed, 30 Jan 2019 03:09:00 +0000 (11:09 +0800)]
ath10k: snoc: remove set but not used variable 'ar_snoc'

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/net/wireless/ath/ath10k/snoc.c: In function 'ath10k_snoc_tx_pipe_cleanup':
drivers/net/wireless/ath/ath10k/snoc.c:681:22: warning:
 variable 'ar_snoc' set but not used [-Wunused-but-set-variable]

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agoath10k: sdio: add .owner field
Brian Norris [Tue, 29 Jan 2019 23:14:48 +0000 (15:14 -0800)]
ath10k: sdio: add .owner field

sdio_register_driver() doesn't do this for us, unlike (for example)
platform_driver_register(). This is important for helping track
module-to-device relationships.

Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agoath10k: change swap mail box check after htc ready
Wen Gong [Tue, 29 Jan 2019 12:03:12 +0000 (20:03 +0800)]
ath10k: change swap mail box check after htc ready

The swap box flag of firmware is not set before htc ready, then it
will not set swap box flag in ath10k driver, and it will let swap
box setting not same between firmware and ath10k driver, then it
will trigger firmware assert failure.

Check the flag and set swap box after htc ready will fix the firmware
assert failure.

Tested with QCA6174 SDIO with firmware
WLAN.RMH.4.4.1-00005-QCARMSWP-1.

Signed-off-by: Wen Gong <wgong@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agoath10k: fix hw-restart crash inject mode for WCN3990
Rakesh Pillai [Tue, 29 Jan 2019 09:26:07 +0000 (14:56 +0530)]
ath10k: fix hw-restart crash inject mode for WCN3990

The hw-restart crash inject mode is a special mode, where
there is no crash generated in the firmware, but instead
the driver restarts the firmware. In order to restart WCN3990
firmware, the driver needs to send qmi_wlan_disable message
followed by the qmi_wlan_enable message to the WCN3990 firmware.

Currently the qmi_wlan_disable message is not sent to
the WCN3990 firmware when hw-restart crash is injected,
which causes the firmware to crash when the driver sends
qmi_wlan_enable message during ath10k_restart.

Send qmi_wlan_disable to the WCN3990 firmware when the
hw-restart crash is injected via debugfs.

Tested HW: WCN3990
Tested FW: WLAN.HL.2.0-01188-QCAHLSWMTPLZ-1

Signed-off-by: Rakesh Pillai <pillair@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agoath10k: fix dma unmap direction for management frames
Rakesh Pillai [Fri, 25 Jan 2019 04:21:06 +0000 (09:51 +0530)]
ath10k: fix dma unmap direction for management frames

The management frames transmitted are dma mapped with
direction TO_DEVICE, but incorrectly mapped with
direction FROM_DEVICE during tx complete and error cases.

Fix the direction of dma during dma unmap of the
transmitted management frames.

Tested HW: WCN3990
Tested FW: WLAN.HL.2.0-01188-QCAHLSWMTPLZ-1

Fixes: 38a1390e02b7 ("ath10k: dma unmap mgmt tx buffer if wmi cmd send fails")
Signed-off-by: Rakesh Pillai <pillair@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agoath10k: Enable bundle tx compl for management frames in WCN3990
Rakesh Pillai [Fri, 25 Jan 2019 04:10:02 +0000 (09:40 +0530)]
ath10k: Enable bundle tx compl for management frames in WCN3990

WCN3990 sends tx completion of multiple management
frames bundled together in a single event, if the
host driver exposes the support to handle this
bundled tx completion event. This reduces the number
of WMI events which are sent to the host driver by
the target.

Set the BUNDLE_TX_COMPL flag in the host capability
flags when host sends the wmi init command, to indicate
the host capability to handle bundled tx completion for
management frames.

Tested HW: WCN3990
Tested FW: WLAN.HL.2.0-01188-QCAHLSWMTPLZ-1

Signed-off-by: Rakesh Pillai <pillair@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agoath10k: Handle bundled tx completion for management frames
Rakesh Pillai [Fri, 25 Jan 2019 04:10:01 +0000 (09:40 +0530)]
ath10k: Handle bundled tx completion for management frames

WCN3990 supports sending tx completion for multiple
management frames bundled together in a single event.

Add support to handle the bundled tx completion
event for WCN3990.

Tested HW: WCN3990
Tested FW: WLAN.HL.2.0-01188-QCAHLSWMTPLZ-1

Signed-off-by: Rakesh Pillai <pillair@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agoath10k: update HOST capability qmi message
Govind Singh [Mon, 4 Feb 2019 11:55:55 +0000 (17:25 +0530)]
ath10k: update HOST capability qmi message

HOST capability interface data structures are updated
in HL3.1 fw version. Update the qmi host capability
members for compatibility across different firmware
versions.
Since this change breaks backward compatibility with
HL2.0 fw, HL2.0 fw upgrade to WLAN.HL.2.0-01617-QCAHLSWMTPLZ-1
or later version is required.

Testing:
        Tested on QCS404 platform(WCN3990 HW).
        Tested FW: WLAN.HL.3.1-00784-QCAHLSWMTPLZ-1,
                   WLAN.HL.2.0-01617-QCAHLSWMTPLZ-1

Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
5 years agoMerge tag 'iwlwifi-next-for-kalle-2019-02-04' of git://git.kernel.org/pub/scm/linux...
Kalle Valo [Thu, 7 Feb 2019 09:34:26 +0000 (11:34 +0200)]
Merge tag 'iwlwifi-next-for-kalle-2019-02-04' of git://git./linux/kernel/git/iwlwifi/iwlwifi-next

Third batch of iwlwifi patches intended for v5.1

* Work on the new debugging infrastructure continues;
* HE radiotap;
* Support for new FW version 44;
* A couple of new FW API changes;
* A bunch of fixes for static analyzer reported issues;
* General bugfixes;
* Other cleanups and small fixes;

5 years agonet: emac: remove IBM_EMAC_RX_SKB_HEADROOM
Christian Lamparter [Tue, 5 Feb 2019 21:20:09 +0000 (22:20 +0100)]
net: emac: remove IBM_EMAC_RX_SKB_HEADROOM

The EMAC driver had a custom IBM_EMAC_RX_SKB_HEADROOM
Kconfig option that reserved additional skb headroom for RX.
This patch removes the option and migrates the code
to use napi_alloc_skb() and netdev_alloc_skb_ip_align()
in its place.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agonet: phy: improve genphy_c45_read_link
Heiner Kallweit [Tue, 5 Feb 2019 19:41:37 +0000 (20:41 +0100)]
net: phy: improve genphy_c45_read_link

Let's make genphy_c45_read_link behave the same as genphy_update_link
and set phydev->link in the function directly. This allows to simplify
the callers. In addition don't check further devices once we detect
that at least one device reports link as down.

v2:
- remove an unused variable

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agonet: stmmac: fix ptp timestamping on Rx on gmac4
Ilias Apalodimas [Tue, 5 Feb 2019 12:15:20 +0000 (14:15 +0200)]
net: stmmac: fix ptp timestamping on Rx on gmac4

The current driver only enables Pdelay_Req and Pdelay_Resp when
HWTSTAMP_FILTER_PTP_V2_EVENT, HWTSTAMP_FILTER_PTP_V1_L4_EVENT or
HWTSTAMP_FILTER_PTP_V2_L4_EVENT is requested. This results in ptp sync on
slave mode to report 'received SYNC without timestamp' when using ptp4l.

Although the hardware can support Sync, Pdelay_Req and Pdelay_resp by
setting bit14 annd bits 17/16 to 01 this leaves Delay_Req timestamps out.

Fix this by enabling all event and general messages timestamps.
This includes SYNC, Follow_Up, Delay_Req, Delay_Resp, Pdelay_Req,
Pdelay_Resp and Pdelay_Resp_Follow_Up messages.

Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Acked-by: Jose Abreu <joabreu@synopsys.com>
Tested-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agonet: dsa: mv88e6xxx: Prevent suspend to RAM
Miquel Raynal [Tue, 5 Feb 2019 11:07:28 +0000 (12:07 +0100)]
net: dsa: mv88e6xxx: Prevent suspend to RAM

On one hand, the mv88e6xxx driver has a work queue called in loop
which will attempt register accesses after MDIO bus suspension, that
entirely freezes the platform during suspend.

On the other hand, the DSA core is not ready yet to support suspend to
RAM operation because so far there is no way to recover reliably the
switch configuration.

To avoid the kernel to freeze when suspending with a switch driven by
the mv88e6xxx driver, we choose to prevent the driver suspension and
in the same way, the whole platform.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoMerge branch 'for_net-next-5.1/rds-tos-v4' of git://git.kernel.org/pub/scm/linux...
David S. Miller [Thu, 7 Feb 2019 01:00:15 +0000 (17:00 -0800)]
Merge branch 'for_net-next-5.1/rds-tos-v4' of git://git./linux/kernel/git/ssantosh/linux

Santosh Shilimkar says:

====================
rds: add tos support

RDS applications make use of tos to classify database traffic.
This feature has been used in shipping products from 2.6.32 based
kernels. Its tied with RDS v4.1 protocol version and the compatibility
gets negotiated as part of connections setup.

Patchset keeps full backward compatibility using existing connection
negotiation scheme. Currently the feature is exploited by RDMA
transport and for TCP transport the user tos values are mapped to
same default class (0).

For RDMA transports, RDMA CM service type API is used to
set up different SL(service lanes) and the IB fabric is configured
for tos mapping using Subnet Manager(SL to VL mappings).
Similarly for ROCE fabric, user priority is mapped with different
DSCP code points which are associated with different switch queues
in the fabric.

The original code was developed by Bang Nguyen in downstream kernel back in
2.6.32 kernel days and it has evolved significantly over period of time.

Thanks to Yanjun for doing testing with various combinations of host like
v3.1<->v4.1, v4.1.<->v3.1, v4.1 upstream to shipping v4.1 etc etc
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
David S. Miller [Thu, 7 Feb 2019 00:56:20 +0000 (16:56 -0800)]
Merge git://git./linux/kernel/git/bpf/bpf-next

Daniel Borkmann says:

====================
pull-request: bpf-next 2019-02-07

The following pull-request contains BPF updates for your *net-next* tree.

The main changes are:

1) Add a riscv64 JIT for BPF, from Björn.

2) Implement BTF deduplication algorithm for libbpf which takes BTF type
   information containing duplicate per-compilation unit information and
   reduces it to an equivalent set of BTF types with no duplication and
   without loss of information, from Andrii.

3) Offloaded and native BPF XDP programs can coexist today, enable also
   offloaded and generic ones as well, from Jakub.

4) Expose various BTF related helper functions in libbpf as API which
   are in particular helpful for JITed programs, from Yonghong.

5) Fix the recently added JMP32 code emission in s390x JIT, from Heiko.

6) Fix BPF kselftests' tcp_{server,client}.py to be able to run inside
   a network namespace, also add a fix for libbpf to get libbpf_print()
   working, from Stanislav.

7) Fixes for bpftool documentation, from Prashant.

8) Type cleanup in BPF kselftests' test_maps.c to silence a gcc8 warning,
   from Breno.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoMerge branch 'mlxsw-blackhole-routes'
David S. Miller [Wed, 6 Feb 2019 22:24:05 +0000 (14:24 -0800)]
Merge branch 'mlxsw-blackhole-routes'

Ido Schimmel says:

====================
mlxsw: Offload blackhole routes

Blackhole routes are routes that cause matching packets to be silently
dropped. This is in contrast to unreachable routes that generate an ICMP
host unreachable packet in response.

The driver currently programs both route types with a trap action and
lets the kernel drop matching packets. This is sub-optimal as packets
routed using a blackhole route can be directly dropped by the ASIC.

Patch #1 alters mlxsw to program blackhole routes with a discard action.

Patch #2 adds a matching test.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoselftests: mlxsw: Add a test for blackhole routes
Ido Schimmel [Wed, 6 Feb 2019 19:42:03 +0000 (19:42 +0000)]
selftests: mlxsw: Add a test for blackhole routes

Use a simple topology consisting of two hosts directly connected to a
router. Make sure IPv4/IPv6 ping works and then add blackhole routes.
Test that ping fails and that the routes are marked as offloaded. Use a
simple tc filter to test that packets were dropped by the ASIC and not
trapped to the CPU.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agomlxsw: spectrum_router: Offload blackhole routes
Ido Schimmel [Wed, 6 Feb 2019 19:42:01 +0000 (19:42 +0000)]
mlxsw: spectrum_router: Offload blackhole routes

Create a new FIB entry type for blackhole routes and set it in case the
type of the notified route is 'RTN_BLACKHOLE'.

Program such routes with a discard action and mark them as offloaded
since the device is dropping the packets instead of the kernel.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoMerge branch 'net-Introduce-ndo_get_port_parent_id'
David S. Miller [Wed, 6 Feb 2019 22:17:16 +0000 (14:17 -0800)]
Merge branch 'net-Introduce-ndo_get_port_parent_id'

Florian Fainelli says:

====================
net: Introduce ndo_get_port_parent_id()

Based on discussion with Ido and feedback from Jakub there are clearly
two classes of users that implement SWITCHDEV_ATTR_ID_PORT_PARENT_ID:

- PF/VF drivers which typically only implement return the port's parent
  ID, yet have to implement switchdev_port_attr_get() just for that

- Ethernet switch drivers: mlxsw, ocelot, DSA, etc. which implement more
  attributes which we want to be able to eventually veto in the context
  of the caller, thus making them candidates for using a blocking notifier
  chain

Changes in v4:

- remove superfluous net/switchdev.h inclusions in a few files
- added Jiri's Acked-by where given
- removed err = -EOPNOTSUPP initializations
- changed according to Jiri's suggestion in net/ipv4/ipmr.c

Changes in v3:

- keep ethsw's switchdev_ops assignment
- remove inclusion of net/switchdev.h in netdevsim which is no longer
  necesary

Changes in v2:

- resolved build failures spotted by kbuild test robot
- added helpers functions into the core network device layer:
  dev_get_port_parent_id() and netdev_port_same_parent_id();
- added support for recursion to lower devices

Changes from RFC:

- introduce a ndo_get_port_parent_id() and convert all relevant drivers
  to use it

- get rid of SWITCHDEV_ATTR_ID_PORT_PARENT_ID

A subsequent set of patches will convert switchdev_port_attr_set() to
use a blocking notifier call, and still get rid of
switchdev_port_attr_get() altogether.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agonet: Get rid of SWITCHDEV_ATTR_ID_PORT_PARENT_ID
Florian Fainelli [Wed, 6 Feb 2019 17:45:46 +0000 (09:45 -0800)]
net: Get rid of SWITCHDEV_ATTR_ID_PORT_PARENT_ID

Now that we have a dedicated NDO for getting a port's parent ID, get rid
of SWITCHDEV_ATTR_ID_PORT_PARENT_ID and convert all callers to use the
NDO exclusively. This is a preliminary change to getting rid of
switchdev_ops eventually.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agonet: dsa: Implement ndo_get_port_parent_id()
Florian Fainelli [Wed, 6 Feb 2019 17:45:45 +0000 (09:45 -0800)]
net: dsa: Implement ndo_get_port_parent_id()

DSA implements SWITCHDEV_ATTR_ID_PORT_PARENT_ID and we want to get rid
of switchdev_ops eventually, ease that migration by implementing a
ndo_get_port_parent_id() function which returns what
switchdev_port_attr_get() would do.

Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agostaging: fsl-dpaa2: ethsw: Implement ndo_get_port_parent_id()
Florian Fainelli [Wed, 6 Feb 2019 17:45:44 +0000 (09:45 -0800)]
staging: fsl-dpaa2: ethsw: Implement ndo_get_port_parent_id()

ethsw implements SWITCHDEV_ATTR_ID_PORT_PARENT_ID and we want to get rid
of switchdev_ops eventually, ease that migration by implementing a
ndo_get_port_parent_id() function which returns what
switchdev_port_attr_get() would do.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agonetdevsim: Implement ndo_get_port_parent_id()
Florian Fainelli [Wed, 6 Feb 2019 17:45:43 +0000 (09:45 -0800)]
netdevsim: Implement ndo_get_port_parent_id()

netdevsim only supports SWITCHDEV_ATTR_ID_PORT_PARENT_ID, which makes it a
great candidate to be converted to use the ndo_get_port_parent_id() NDO
instead of implementing switchdev_port_attr_get().

Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agorocker: Implement ndo_get_port_parent_id()
Florian Fainelli [Wed, 6 Feb 2019 17:45:42 +0000 (09:45 -0800)]
rocker: Implement ndo_get_port_parent_id()

mlxsw implements SWITCHDEV_ATTR_ID_PORT_PARENT_ID and we want to get rid
of switchdev_ops eventually, ease that migration by implementing a
ndo_get_port_parent_id() function which returns what
switchdev_port_attr_get() would do.

Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agonfp: Implement ndo_get_port_parent_id()
Florian Fainelli [Wed, 6 Feb 2019 17:45:41 +0000 (09:45 -0800)]
nfp: Implement ndo_get_port_parent_id()

NFP only supports SWITCHDEV_ATTR_ID_PORT_PARENT_ID, which makes it a
great candidate to be converted to use the ndo_get_port_parent_id() NDO
instead of implementing switchdev_port_attr_get().

Since NFP uses switchdev_port_same_parent_id() convert it to use
netdev_port_same_parent_id().

Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agomscc: ocelot: Implement ndo_get_port_parent_id()
Florian Fainelli [Wed, 6 Feb 2019 17:45:40 +0000 (09:45 -0800)]
mscc: ocelot: Implement ndo_get_port_parent_id()

Ocelot only supports SWITCHDEV_ATTR_ID_PORT_PARENT_ID as a valid
switchdev attribute getter, convert it to use ndo_get_port_parent_id()
and get rid of the switchdev_ops::switchdev_port_attr_get altogether.

Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agomlxsw: Implement ndo_get_port_parent_id()
Florian Fainelli [Wed, 6 Feb 2019 17:45:39 +0000 (09:45 -0800)]
mlxsw: Implement ndo_get_port_parent_id()

mlxsw implements SWITCHDEV_ATTR_ID_PORT_PARENT_ID and we want to get rid
of switchdev_ops eventually, ease that migration by implementing a
ndo_get_port_parent_id() function which returns what
switchdev_port_attr_get() would do.

Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agonet/mlx5e: Implement ndo_get_port_parent_id()
Florian Fainelli [Wed, 6 Feb 2019 17:45:38 +0000 (09:45 -0800)]
net/mlx5e: Implement ndo_get_port_parent_id()

mlx5e only supports SWITCHDEV_ATTR_ID_PORT_PARENT_ID, which makes it a
great candidate to be converted to use the ndo_get_port_parent_id() NDO
instead of implementing switchdev_port_attr_get().

Since mlx5e makes use of switchdev_port_parent_id() convert it to use
netdev_port_same_parent_id().

Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoliquidio: Implement ndo_get_port_parent_id()
Florian Fainelli [Wed, 6 Feb 2019 17:45:37 +0000 (09:45 -0800)]
liquidio: Implement ndo_get_port_parent_id()

Liquidio only supports SWITCHDEV_ATTR_ID_PORT_PARENT_ID, which makes it
a great candidate to be converted to use the ndo_get_port_parent_id()
NDO instead of implementing switchdev_port_attr_get().

Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agobnxt: Implement ndo_get_port_parent_id()
Florian Fainelli [Wed, 6 Feb 2019 17:45:36 +0000 (09:45 -0800)]
bnxt: Implement ndo_get_port_parent_id()

BNXT only supports SWITCHDEV_ATTR_ID_PORT_PARENT_ID, which makes it a
great candidate to be converted to use the ndo_get_port_parent_id() NDO
instead of implementing switchdev_port_attr_get(). The conversion is
straight forward here since the PF and VF code use the same getter.

Since bnxt makes uses of switchdev_port_same_parent_id() convert it to
use netdev_port_same_parent_id().

Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agonet: Introduce ndo_get_port_parent_id()
Florian Fainelli [Wed, 6 Feb 2019 17:45:35 +0000 (09:45 -0800)]
net: Introduce ndo_get_port_parent_id()

In preparation for getting rid of switchdev_ops, create a dedicated NDO
operation for getting the port's parent identifier. There are
essentially two classes of drivers that need to implement getting the
port's parent ID which are VF/PF drivers with a built-in switch, and
pure switchdev drivers such as mlxsw, ocelot, dsa etc.

We introduce a helper function: dev_get_port_parent_id() which supports
recursion into the lower devices to obtain the first port's parent ID.

Convert the bridge, core and ipv4 multicast routing code to check for
such ndo_get_port_parent_id() and call the helper function when valid
before falling back to switchdev_port_attr_get(). This will allow us to
convert all relevant drivers in one go instead of having to implement
both switchdev_port_attr_get() and ndo_get_port_parent_id() operations,
then get rid of switchdev_port_attr_get().

Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agocxgb4: Update 1.22.9.0 as the latest firmware supported.
Vishal Kulkarni [Wed, 6 Feb 2019 13:01:36 +0000 (18:31 +0530)]
cxgb4: Update 1.22.9.0 as the latest firmware supported.

Change t4fw_version.h to update latest firmware version
number to 1.22.9.0.

Signed-off-by: Vishal Kulkarni <vishal@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agocxgb4: Add new T6 PCI device ids 0x608b
Vishal Kulkarni [Wed, 6 Feb 2019 12:57:13 +0000 (18:27 +0530)]
cxgb4: Add new T6 PCI device ids 0x608b

Signed-off-by: Vishal Kulkarni <vishal@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agor8169: Avoid pointer aliasing
Thierry Reding [Wed, 6 Feb 2019 12:30:18 +0000 (13:30 +0100)]
r8169: Avoid pointer aliasing

Read MAC address 32-bit at a time and manually extract the individual
bytes. This avoids pointer aliasing and gives the compiler a better
chance of optimizing the operation.

Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agor8169: Load MAC address from device tree if present
Thierry Reding [Wed, 6 Feb 2019 12:30:17 +0000 (13:30 +0100)]
r8169: Load MAC address from device tree if present

If the system was booted using a device tree and if the device tree
contains a MAC address, use it instead of reading one from the EEPROM.
This is useful in situations where the EEPROM isn't properly programmed
or where the firmware wants to override the existing MAC address.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoMerge branch 'mlxsw-core-Trace-EMAD-errors'
David S. Miller [Wed, 6 Feb 2019 19:05:57 +0000 (11:05 -0800)]
Merge branch 'mlxsw-core-Trace-EMAD-errors'

Ido Schimmel says:

====================
mlxsw: core: Trace EMAD errors

Nir says:

This patchset adds a trace for EMAD errors to the existing EMAD payload
traces. This tracepoint is useful to track user or firmware errors during
tests execution.

Patch #1 defines the devlink tracepoint.
Patch #2 uses it for reporting mlxsw EMAD errors.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agomlxsw: core: Trace EMAD errors
Nir Dotan [Mon, 4 Feb 2019 18:47:46 +0000 (18:47 +0000)]
mlxsw: core: Trace EMAD errors

Trace EMAD errors returned from HW.

Signed-off-by: Nir Dotan <nird@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agodevlink: add hardware errors tracing facility
Nir Dotan [Mon, 4 Feb 2019 18:47:45 +0000 (18:47 +0000)]
devlink: add hardware errors tracing facility

Define a tracepoint and allow user to trace messages in case of an hardware
error code for hardware associated with devlink instance.

Signed-off-by: Nir Dotan <nird@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoMerge branch 'dpaa2-eth-Driver-updates'
David S. Miller [Wed, 6 Feb 2019 18:49:55 +0000 (10:49 -0800)]
Merge branch 'dpaa2-eth-Driver-updates'

Ioana Ciocoi Radulescu says:

====================
dpaa2-eth: Driver updates

First patch moves the driver to a page-per-frame memory model.
The others are minor tweaks and optimizations.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agodpaa2-eth: Update buffer pool refill threshold
Ioana Ciocoi Radulescu [Mon, 4 Feb 2019 17:00:37 +0000 (17:00 +0000)]
dpaa2-eth: Update buffer pool refill threshold

Add more buffers to the Rx buffer pool as soon as 7 of them
get consumed, instead of waiting for their number to drop
below a fixed threshold.
7 is the number of buffers that can be released in the pool
via a single DPIO command.

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agodpaa2-eth: Use FQ-based DPIO enqueue API
Ioana Ciocoi Radulescu [Mon, 4 Feb 2019 17:00:36 +0000 (17:00 +0000)]
dpaa2-eth: Use FQ-based DPIO enqueue API

Starting with MC10.14.0, dpaa2_io_service_enqueue_fq() API is
functional. Since there are a number of cases where it offers
better performance compared to the currently used enqueue
function, switch to it for firmware versions that support it.

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agodpaa2-eth: Use napi_consume_skb()
Ioana Ciocoi Radulescu [Mon, 4 Feb 2019 17:00:35 +0000 (17:00 +0000)]
dpaa2-eth: Use napi_consume_skb()

While in NAPI context, free skbs by calling napi_consume_skb()
instead of dev_kfree_skb(), to take advantage of the bulk freeing
mechanism.

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agodpaa2-eth: Use a single page per Rx buffer
Ioana Ciocoi Radulescu [Mon, 4 Feb 2019 17:00:35 +0000 (17:00 +0000)]
dpaa2-eth: Use a single page per Rx buffer

Instead of allocating page fragments via the network stack,
use the page allocator directly. For now, we consume one page
for each Rx buffer.

With the new memory model we are free to consider adding more
XDP support.

Performance decreases slightly in some IP forwarding cases.
No visible effect on termination traffic. The driver memory
footprint increases as a result of this change, but it is
still small enough to not really matter.

Another side effect is that now Rx buffer alignment requirements
are naturally satisfied without any additional actions needed.
Remove alignment related code, except in the buffer layout
information conveyed to MC, as hardware still needs to know the
alignment value we guarantee.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoMerge branch 'add-flow_rule-infrastructure'
David S. Miller [Wed, 6 Feb 2019 18:38:26 +0000 (10:38 -0800)]
Merge branch 'add-flow_rule-infrastructure'

Pablo Neira Ayuso says:

====================
add flow_rule infrastructure

This patchset, as is, allows us to reuse the driver codebase to
configure ACL hardware offloads for the ethtool_rxnfc and the TC flower
interfaces. A few clients for this infrastructure are presented, such as
the bcm_sf2 and the qede drivers, for reference. Moreover all of the
existing drivers in the tree are converted to use this infrastructure.

This patchset is re-using the existing flow dissector infrastructure
that was introduced by Jiri Pirko et al. so the amount of abstractions
that this patchset adds are minimal. Well, just a few wrapper structures
for the selector side of the rules. And, in order to express actions,
this patchset exposes an action API that is based on the existing TC
action infrastructure and what existing drivers already support on that
front.

v7: This patchset is a rebase on top of the net-next tree, after
    addressing questions and feedback from driver developers in the
    last batch.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoqede: use ethtool_rx_flow_rule() to remove duplicated parser code
Pablo Neira Ayuso [Sat, 2 Feb 2019 11:50:54 +0000 (12:50 +0100)]
qede: use ethtool_rx_flow_rule() to remove duplicated parser code

The qede driver supports for ethtool_rx_flow_spec and flower, both
codebases look very similar.

This patch uses the ethtool_rx_flow_rule() infrastructure to remove the
duplicated ethtool_rx_flow_spec parser and consolidate ACL offload
support around the flow_rule infrastructure.

Furthermore, more code can be consolidated by merging
qede_add_cls_rule() and qede_add_tc_flower_fltr(), these two functions
also look very similar.

This driver currently provides simple ACL support, such as 5-tuple
matching, drop policy and queue to CPU.

Drivers that support more features can benefit from this infrastructure
to save even more redundant codebase.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoqede: place ethtool_rx_flow_spec after code after TC flower codebase
Pablo Neira Ayuso [Sat, 2 Feb 2019 11:50:53 +0000 (12:50 +0100)]
qede: place ethtool_rx_flow_spec after code after TC flower codebase

This is a preparation patch to reuse the existing TC flower codebase
from ethtool_rx_flow_spec.

This patch is merely moving the core ethtool_rx_flow_spec parser after
tc flower offload driver code so we can skip a few forward function
declarations in the follow up patch.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agodsa: bcm_sf2: use flow_rule infrastructure
Pablo Neira Ayuso [Sat, 2 Feb 2019 11:50:52 +0000 (12:50 +0100)]
dsa: bcm_sf2: use flow_rule infrastructure

Update this driver to use the flow_rule infrastructure, hence we can use
the same code to populate hardware IR from ethtool_rx_flow and the
cls_flower interfaces.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoethtool: add ethtool_rx_flow_spec to flow_rule structure translator
Pablo Neira Ayuso [Sat, 2 Feb 2019 11:50:51 +0000 (12:50 +0100)]
ethtool: add ethtool_rx_flow_spec to flow_rule structure translator

This patch adds a function to translate the ethtool_rx_flow_spec
structure to the flow_rule representation.

This allows us to reuse code from the driver side given that both flower
and ethtool_rx_flow interfaces use the same representation.

This patch also includes support for the flow type flags FLOW_EXT,
FLOW_MAC_EXT and FLOW_RSS.

The ethtool_rx_flow_spec_input wrapper structure is used to convey the
rss_context field, that is away from the ethtool_rx_flow_spec structure,
and the ethtool_rx_flow_spec structure.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoflow_offload: add wake-up-on-lan and queue to flow_action
Pablo Neira Ayuso [Sat, 2 Feb 2019 11:50:50 +0000 (12:50 +0100)]
flow_offload: add wake-up-on-lan and queue to flow_action

These actions need to be added to support the ethtool_rx_flow interface.
The queue action includes a field to specify the RSS context, that is
set via FLOW_RSS flow type flag and the rss_context field in struct
ethtool_rxnfc, plus the corresponding queue index. FLOW_RSS implies that
rss_context is non-zero, therefore, queue.ctx == 0 means that FLOW_RSS
was not set. Also add a field to store the vf index which is stored in
the ethtool_rxnfc ring_cookie field.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agocls_flower: don't expose TC actions to drivers anymore
Pablo Neira Ayuso [Sat, 2 Feb 2019 11:50:49 +0000 (12:50 +0100)]
cls_flower: don't expose TC actions to drivers anymore

Now that drivers have been converted to use the flow action
infrastructure, remove this field from the tc_cls_flower_offload
structure.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agodrivers: net: use flow action infrastructure
Pablo Neira Ayuso [Sat, 2 Feb 2019 11:50:48 +0000 (12:50 +0100)]
drivers: net: use flow action infrastructure

This patch updates drivers to use the new flow action infrastructure.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoflow_offload: add statistics retrieval infrastructure and use it
Pablo Neira Ayuso [Sat, 2 Feb 2019 11:50:47 +0000 (12:50 +0100)]
flow_offload: add statistics retrieval infrastructure and use it

This patch provides the flow_stats structure that acts as container for
tc_cls_flower_offload, then we can use to restore the statistics on the
existing TC actions. Hence, tcf_exts_stats_update() is not used from
drivers anymore.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agocls_api: add translator to flow_action representation
Pablo Neira Ayuso [Sat, 2 Feb 2019 11:50:46 +0000 (12:50 +0100)]
cls_api: add translator to flow_action representation

This patch implements a new function to translate from native TC action
to the new flow_action representation. Moreover, this patch also updates
cls_flower to use this new function.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoflow_offload: add flow action infrastructure
Pablo Neira Ayuso [Sat, 2 Feb 2019 11:50:45 +0000 (12:50 +0100)]
flow_offload: add flow action infrastructure

This new infrastructure defines the nic actions that you can perform
from existing network drivers. This infrastructure allows us to avoid a
direct dependency with the native software TC action representation.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agonet/mlx5e: support for two independent packet edit actions
Pablo Neira Ayuso [Sat, 2 Feb 2019 11:50:44 +0000 (12:50 +0100)]
net/mlx5e: support for two independent packet edit actions

This patch adds pedit_headers_action structure to store the result of
parsing tc pedit actions. Then, it calls alloc_tc_pedit_action() to
populate the mlx5e hardware intermediate representation once all actions
have been parsed.

This patch comes in preparation for the new flow_action infrastructure,
where each packet mangling comes in an separated action, ie. not packed
as in tc pedit.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoflow_offload: add flow_rule and flow_match structures and use them
Pablo Neira Ayuso [Sat, 2 Feb 2019 11:50:43 +0000 (12:50 +0100)]
flow_offload: add flow_rule and flow_match structures and use them

This patch wraps the dissector key and mask - that flower uses to
represent the matching side - around the flow_match structure.

To avoid a follow up patch that would edit the same LoCs in the drivers,
this patch also wraps this new flow match structure around the flow rule
object. This new structure will also contain the flow actions in follow
up patches.

This introduces two new interfaces:

bool flow_rule_match_key(rule, dissector_id)

that returns true if a given matching key is set on, and:

flow_rule_match_XYZ(rule, &match);

To fetch the matching side XYZ into the match container structure, to
retrieve the key and the mask with one single call.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoMerge branch 'net-phy-add-and-use-further-MMD-accessors'
David S. Miller [Wed, 6 Feb 2019 17:52:43 +0000 (09:52 -0800)]
Merge branch 'net-phy-add-and-use-further-MMD-accessors'

Heiner Kallweit says:

====================
net: phy: add and use further MMD accessors

Add MMD accessors for modifying MMD registers and clearing / setting
bits in MMD registers. Use these accessors in PHY drivers and phylib.

v2:
- fix SoB in patch 2
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agonet: phy: make use of new MMD accessors
Heiner Kallweit [Wed, 6 Feb 2019 06:38:43 +0000 (07:38 +0100)]
net: phy: make use of new MMD accessors

Make use of the new MMD accessors.

v2:
- fix SoB

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agonet: phy: provide full set of accessor functions to MMD registers
Nikita Yushchenko [Wed, 6 Feb 2019 06:36:40 +0000 (07:36 +0100)]
net: phy: provide full set of accessor functions to MMD registers

This adds full set of locked and unlocked accessor functions to read and
write PHY MMD registers and/or bitfields.

Set of functions exactly matches what is already available for PHY
legacy registers.

Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoMerge tag 'wireless-drivers-next-for-davem-2019-02-06' of git://git.kernel.org/pub...
David S. Miller [Wed, 6 Feb 2019 17:36:36 +0000 (09:36 -0800)]
Merge tag 'wireless-drivers-next-for-davem-2019-02-06' of git://git./linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers-next patches for 5.1

First set of patches for 5.1. Lots of new features in various drivers
but nothing really special standing out.

Major changes:

brcmfmac

* DMI nvram filename quirk for PoV TAB-P1006W-232 tablet

rsi

* support for hardware scan offload

iwlwifi

* support for Target Wakeup Time (TWT) -- a feature that allows the AP
  to specify when individual stations can access the medium

* support for mac80211 AMSDU handling

* some new PCI IDs

* relicense the pcie submodule to dual GPL/BSD

* reworked the TOF/CSI (channel estimation matrix) implementation

* Some product name updates in the human-readable strings

mt76

* energy detect regulatory compliance fixes

* preparation for MT7603 support

* channel switch announcement support

mwifiex

* support for sd8977 chipset

qtnfmac

* support for 4addr mode

* convert to SPDX license identifiers
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agobpf: test_maps: fix possible out of bound access warning
Breno Leitao [Tue, 5 Feb 2019 17:12:34 +0000 (15:12 -0200)]
bpf: test_maps: fix possible out of bound access warning

When compiling test_maps selftest with GCC-8, it warns that an array
might be indexed with a negative value, which could cause a negative
out of bound access, depending on parameters of the function. This
is the GCC-8 warning:

gcc -Wall -O2 -I../../../include/uapi -I../../../lib -I../../../lib/bpf -I../../../../include/generated -DHAVE_GENHDR -I../../../include    test_maps.c /home/breno/Devel/linux/tools/testing/selftests/bpf/libbpf.a -lcap -lelf -lrt -lpthread -o /home/breno/Devel/linux/tools/testing/selftests/bpf/test_maps
In file included from test_maps.c:16:
test_maps.c: In function ‘run_all_tests’:
test_maps.c:1079:10: warning: array subscript -1 is below array bounds of ‘pid_t[<Ube20> + 1]’ [-Warray-bounds]
   assert(waitpid(pid[i], &status, 0) == pid[i]);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
test_maps.c:1059:6: warning: array subscript -1 is below array bounds of ‘pid_t[<Ube20> + 1]’ [-Warray-bounds]
   pid[i] = fork();
   ~~~^~~

This patch simply guarantees that the task(s) variables are unsigned,
thus, they could never be a negative number (which they are not in
current code anyway), hence avoiding an out of bound access warning.

Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
5 years agotools: bpftool: doc, fix incorrect text
Prashant Bhole [Wed, 6 Feb 2019 01:47:23 +0000 (10:47 +0900)]
tools: bpftool: doc, fix incorrect text

Documentation about cgroup, feature, prog uses wrong header
'MAP COMMANDS' while listing commands. This patch corrects the header
in respective doc files.

Signed-off-by: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp>
Acked-by: Yonghong Song <yhs@fb.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
5 years agoMerge branch 'bpf-xdp-hw-plus-generic'
Daniel Borkmann [Wed, 6 Feb 2019 14:35:43 +0000 (15:35 +0100)]
Merge branch 'bpf-xdp-hw-plus-generic'

Jakub Kicinski says:

====================
Offloaded and native/driver XDP programs can already coexist.
Allow offload and generic hook to coexist as well, there seem
to be no reason why not to do so.
====================

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
5 years agoselftests/bpf: test reading the offloaded program
Jakub Kicinski [Wed, 6 Feb 2019 04:03:24 +0000 (20:03 -0800)]
selftests/bpf: test reading the offloaded program

Test adding the offloaded program after the other program
is already installed.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
5 years agoselftests/bpf: add test for mixing generic and offload XDP
Jakub Kicinski [Wed, 6 Feb 2019 04:03:23 +0000 (20:03 -0800)]
selftests/bpf: add test for mixing generic and offload XDP

Add simple sanity check for enabling generic and offload
XDP, simply reuse the native and offload checks.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
5 years agoselftests/bpf: print traceback when test fails
Jakub Kicinski [Wed, 6 Feb 2019 04:03:22 +0000 (20:03 -0800)]
selftests/bpf: print traceback when test fails

Figuring out which exact check in test_offload.py takes more
time than it should.  Print the traceback (to the screen and
the logs).

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
5 years agonet: xdp: allow generic and driver XDP on one interface
Jakub Kicinski [Wed, 6 Feb 2019 04:03:21 +0000 (20:03 -0800)]
net: xdp: allow generic and driver XDP on one interface

Since commit a25717d2b604 ("xdp: support simultaneous driver and
hw XDP attachment") users can load an XDP program for offload and
in native driver mode simultaneously.  Allow a similar mix of
offload and SKB mode/generic XDP.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
5 years agoselftests/bpf: fix the expected messages
Jakub Kicinski [Wed, 6 Feb 2019 04:03:20 +0000 (20:03 -0800)]
selftests/bpf: fix the expected messages

Recent changes added extack to program replacement path,
expect extack instead of generic messages.

Fixes: 01dde20ce04b ("xdp: Provide extack messages when prog attachment failed")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
5 years agotools/bpf: silence a libbpf unnecessary warning
Yonghong Song [Wed, 6 Feb 2019 05:38:30 +0000 (21:38 -0800)]
tools/bpf: silence a libbpf unnecessary warning

Commit 96408c43447a ("tools/bpf: implement libbpf
btf__get_map_kv_tids() API function") refactored
function bpf_map_find_btf_info() and moved bulk of
implementation into btf.c as btf__get_map_kv_tids().
This change introduced a bug such that test_btf will
print out the following warning although the test passed:
  BTF libbpf test[2] (test_btf_nokv.o): libbpf: map:btf_map
      container_name:____btf_map_btf_map cannot be found
      in BTF. Missing BPF_ANNOTATE_KV_PAIR?

Previously, the error message is guarded with pr_debug().
Commit 96408c43447a changed it to pr_warning() and
hence caused the warning.

Restoring to pr_debug() for the message fixed the issue.

Fixes: 96408c43447a ("tools/bpf: implement libbpf btf__get_map_kv_tids() API function")
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
5 years agoMerge branch '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next...
David S. Miller [Wed, 6 Feb 2019 04:15:30 +0000 (20:15 -0800)]
Merge branch '1GbE' of git://git./linux/kernel/git/jkirsher/next-queue

Jeff Kirsher says:

====================
Intel Wired LAN Driver Updates 2019-02-05

This series contains updates to igc, e1000e, ixgbe, fm10k and driver
documentation.

Kai-Heng Feng fixes an e1000e issue where the Wake-On-LAN settings where
being set incorrectly during a system suspend.

Sasha addresses community feedback on the igc driver and provides a
number of code cleanups to remove either unreachable or unused code.  In
addition, added basic ethtool support for the igc driver.

Mike Rapoport fixes the formatting of the kernel driver documentation so
that the title is properly formatted and does not get lumped with the
document sections in the HTML kernel documents generated.

Jiri Kosina updates a hard coded RAR entries value with the existing
define IXGBE_82599_RAR_ENTRIES.

Jake fixes up whitespace in the fm10k driver.

Konstantin Khlebnikov fixes an issue where in some cases, the e1000e
driver will continually reset during a system boot because the watchdog
task sees items in the transmit buffer but the carrier is off (trying to
establish link) causing the device reset to flush the buffer.  To
resolve, just move this check/flush into the watchdog section for when
the carrier is off.

Todd bumps the igb driver version to reflect the recent driver changes.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agotools/bpf: add const qualifier to btf__get_map_kv_tids() map_name parameter
Yonghong Song [Tue, 5 Feb 2019 19:48:22 +0000 (11:48 -0800)]
tools/bpf: add const qualifier to btf__get_map_kv_tids() map_name parameter

Commit 96408c43447a ("tools/bpf: implement libbpf btf__get_map_kv_tids() API function")
added the API function btf__get_map_kv_tids():
  btf__get_map_kv_tids(const struct btf *btf, char *map_name, ...)

The parameter map_name has type "char *". This is okay inside libbpf library since
the map_name is from bpf_map->name which also has type "char *".

This will be problematic if the caller for map_name already has attribute "const",
e.g., from C++ string.c_str(). It will result in either a warning or an error.

  /home/yhs/work/bcc/src/cc/btf.cc:166:51:
    error: invalid conversion from ‘const char*’ to ‘char*’ [-fpermissive]
      return btf__get_map_kv_tids(btf_, map_name.c_str()

This patch added "const" attributes to map_name parameter.

Fixes: 96408c43447a ("tools/bpf: implement libbpf btf__get_map_kv_tids() API function")
Signed-off-by: Yonghong Song <yhs@fb.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
5 years agotools/bpf: fix a selftest test_btf failure
Yonghong Song [Tue, 5 Feb 2019 22:28:44 +0000 (14:28 -0800)]
tools/bpf: fix a selftest test_btf failure

Commit 9c651127445c ("selftests/btf: add initial BTF dedup tests")
added dedup tests in test_btf.c.
It broke the raw test:
 BTF raw test[71] (func proto (Bad arg name_off)):
    btf_raw_create:2905:FAIL Error getting string #65535, strs_cnt:1

The test itself encodes invalid func_proto parameter name
offset 0xffffFFFF as a negative test for the kernel.
The above commit changed the meaning of that offset and
resulted in a user space error.
  #define NAME_NTH(N) (0xffff0000 | N)
  #define IS_NAME_NTH(X) ((X & 0xffff0000) == 0xffff0000)
  #define GET_NAME_NTH_IDX(X) (X & 0x0000ffff)

Currently, the kernel permits maximum name offset 0xffff.
Set the test name off as 0x0fffFFFF to trigger the kernel
verification failure.

Cc: Andrii Nakryiko <andriin@fb.com>
Fixes: 9c651127445c ("selftests/btf: add initial BTF dedup tests")
Signed-off-by: Yonghong Song <yhs@fb.com>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
5 years agoigc: Add ethtool support
Sasha Neftin [Wed, 30 Jan 2019 17:13:14 +0000 (19:13 +0200)]
igc: Add ethtool support

This patch adds basic ethtool support to the device to allow
for configuration.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
5 years agoigb: Bump version number
Todd Fujinaka [Wed, 23 Jan 2019 22:56:30 +0000 (14:56 -0800)]
igb: Bump version number

With recent changes, need to bump the driver version to reflect the
changes.

Signed-off-by: Todd Fujinaka <todd.fujinaka@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
5 years agoigc: Remove the 'igc_get_phy_id_base' method
Sasha Neftin [Tue, 15 Jan 2019 13:21:18 +0000 (15:21 +0200)]
igc: Remove the 'igc_get_phy_id_base' method

Remove the redundant 'igc_get_phy_id_base' method and use
the 'igc_get_phy_id' method directly instead.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
5 years agoigc: Remove the 'igc_read_mac_addr_base' method
Sasha Neftin [Tue, 15 Jan 2019 13:21:09 +0000 (15:21 +0200)]
igc: Remove the 'igc_read_mac_addr_base' method

Remove the redundant 'igc_read_mac_addr_base' method and use
the 'igc_read_mac_addr' method directly instead.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
5 years agoe1000e: fix cyclic resets at link up with active tx
Konstantin Khlebnikov [Mon, 14 Jan 2019 13:29:30 +0000 (16:29 +0300)]
e1000e: fix cyclic resets at link up with active tx

I'm seeing series of e1000e resets (sometimes endless) at system boot
if something generates tx traffic at this time. In my case this is
netconsole who sends message "e1000e 0000:02:00.0: Some CPU C-states
have been disabled in order to enable jumbo frames" from e1000e itself.
As result e1000_watchdog_task sees used tx buffer while carrier is off
and start this reset cycle again.

[   17.794359] e1000e: eth1 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
[   17.794714] IPv6: ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
[   22.936455] e1000e 0000:02:00.0 eth1: changing MTU from 1500 to 9000
[   23.033336] e1000e 0000:02:00.0: Some CPU C-states have been disabled in order to enable jumbo frames
[   26.102364] e1000e: eth1 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
[   27.174495] 8021q: 802.1Q VLAN Support v1.8
[   27.174513] 8021q: adding VLAN 0 to HW filter on device eth1
[   30.671724] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation
[   30.898564] netpoll: netconsole: local port 6666
[   30.898566] netpoll: netconsole: local IPv6 address 2a02:6b8:0:80b:beae:c5ff:fe28:23f8
[   30.898567] netpoll: netconsole: interface 'eth1'
[   30.898568] netpoll: netconsole: remote port 6666
[   30.898568] netpoll: netconsole: remote IPv6 address 2a02:6b8:b000:605c:e61d:2dff:fe03:3790
[   30.898569] netpoll: netconsole: remote ethernet address b0:a8:6e:f4:ff:c0
[   30.917747] console [netcon0] enabled
[   30.917749] netconsole: network logging started
[   31.453353] e1000e 0000:02:00.0: Some CPU C-states have been disabled in order to enable jumbo frames
[   34.185730] e1000e 0000:02:00.0: Some CPU C-states have been disabled in order to enable jumbo frames
[   34.321840] e1000e 0000:02:00.0: Some CPU C-states have been disabled in order to enable jumbo frames
[   34.465822] e1000e 0000:02:00.0: Some CPU C-states have been disabled in order to enable jumbo frames
[   34.597423] e1000e 0000:02:00.0: Some CPU C-states have been disabled in order to enable jumbo frames
[   34.745417] e1000e 0000:02:00.0: Some CPU C-states have been disabled in order to enable jumbo frames
[   34.877356] e1000e 0000:02:00.0: Some CPU C-states have been disabled in order to enable jumbo frames
[   35.005441] e1000e 0000:02:00.0: Some CPU C-states have been disabled in order to enable jumbo frames
[   35.157376] e1000e 0000:02:00.0: Some CPU C-states have been disabled in order to enable jumbo frames
[   35.289362] e1000e 0000:02:00.0: Some CPU C-states have been disabled in order to enable jumbo frames
[   35.417441] e1000e 0000:02:00.0: Some CPU C-states have been disabled in order to enable jumbo frames
[   37.790342] e1000e: eth1 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None

This patch flushes tx buffers only once when carrier is off
rather than at each watchdog iteration.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
5 years agoigc: Remove unneeded code
Sasha Neftin [Sun, 13 Jan 2019 09:22:31 +0000 (11:22 +0200)]
igc: Remove unneeded code

Remove the 'igc_get_link_up_info_base method' from igc_base.c file.
Use the 'igc_get_speed_and_duplex_copper' method directly and reduce
the code redundancy.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
5 years agoigc: Remove unused code
Sasha Neftin [Mon, 7 Jan 2019 14:40:17 +0000 (16:40 +0200)]
igc: Remove unused code

Remove unused igc_adv_data_desc definition from igc_base.h file.
Descriptors definition will be added per demand.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
5 years agoe1000e: fix a missing check for return value
Jeff Kirsher [Fri, 4 Jan 2019 01:17:03 +0000 (17:17 -0800)]
e1000e: fix a missing check for return value

The change is based on the issue found by Kangjie Lu <kjlu@umn.edu> where
we not checking the return value of a register read/write which could result
in a NULL pointer dereference if the read/write fails.

Since we are only trying to disable the far-end loopback, if the read
and write of register fails, we do not want to bail out of the function.
We just want to log that it failed to disable and continue on.

CC: Sasha Neftin <sasha.neftin@intel.com>
CC: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
5 years agofm10k: TRIVIAL cleanup of extra spacing in function comment
Jacob Keller [Fri, 4 Jan 2019 00:49:02 +0000 (16:49 -0800)]
fm10k: TRIVIAL cleanup of extra spacing in function comment

The function comment for fm10k_iov_msg_msix_pf has an extra space in
a sentence, which is unnecessary.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>