openwrt/staging/blogic.git
7 years agoMerge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
Kalle Valo [Wed, 15 Feb 2017 14:01:04 +0000 (16:01 +0200)]
Merge ath-next from git://git./linux/kernel/git/kvalo/ath.git

ath.git patches for 4.11. Major changes:

ath10k

* when trying older firmware versions don't confuse user with error messages

ath9k

* fix crash in AP mode (regression)
* fix relayfs crash (regression)
* fix initialisation with AR9340 and AR9550

7 years agoath9k: use correct OTP register offsets for the AR9340 and AR9550
Christian Lamparter [Tue, 14 Feb 2017 19:10:30 +0000 (20:10 +0100)]
ath9k: use correct OTP register offsets for the AR9340 and AR9550

This patch fixes the OTP register definitions for the AR934x and AR9550
WMAC SoC.

Previously, the ath9k driver was unable to initialize the integrated
WMAC on an Aerohive AP121:

| ath: phy0: timeout (1000 us) on reg 0x30018: 0xbadc0ffe & 0x00000007 != 0x00000004
| ath: phy0: timeout (1000 us) on reg 0x30018: 0xbadc0ffe & 0x00000007 != 0x00000004
| ath: phy0: Unable to initialize hardware; initialization status: -5
| ath9k ar934x_wmac: failed to initialize device
| ath9k: probe of ar934x_wmac failed with error -5

It turns out that the AR9300_OTP_STATUS and AR9300_OTP_DATA
definitions contain a typo.

Cc: Gabor Juhos <juhosg@openwrt.org>
Cc: stable@vger.kernel.org
Fixes: add295a4afbdf5852d0 "ath9k: use correct OTP register offsets for AR9550"
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Chris Blake <chrisrblake93@gmail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
7 years agort2500usb: don't mark register accesses as inline
Arnd Bergmann [Tue, 14 Feb 2017 21:28:33 +0000 (22:28 +0100)]
rt2500usb: don't mark register accesses as inline

When CONFIG_KASAN is set, we get a rather large stack here:

drivers/net/wireless/ralink/rt2x00/rt2500usb.c: In function 'rt2500usb_set_device_state':
drivers/net/wireless/ralink/rt2x00/rt2500usb.c:1074:1: error: the frame size of 3032 bytes is larger than 100 bytes [-Werror=frame-larger-than=]

If we don't force those functions to be inline, the compiler can figure this
out better itself and not inline the functions when doing so would be harmful,
reducing the stack size to a merge 256 bytes.

Note that there is another problem that manifests in this driver, as a result
of the typecheck() macro causing even larger stack frames.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
7 years agobrcmfmac: Use net_device_stats from struct net_device
Tobias Klauser [Mon, 13 Feb 2017 10:14:09 +0000 (11:14 +0100)]
brcmfmac: Use net_device_stats from struct net_device

Instead of using a private copy of struct net_device_stats in struct
brcm_if, use stats from struct net_device.  Also remove the now
unnecessary .ndo_get_stats function.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
7 years agortlwifi: btcoexist: Fix if == else warnings in halbtc8723b1ant.c
Larry Finger [Sun, 12 Feb 2017 00:46:05 +0000 (18:46 -0600)]
rtlwifi: btcoexist: Fix if == else warnings in halbtc8723b1ant.c

The 0-DAY kernel test infrastructure reports the following:
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c:1875:2-4: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c:2253:3-5: WARNING: possible condition with no effect (if == else)

Reported-by: kbuild-all@01.org
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
7 years agortlwifi: btcoexist: Fix if == else warnings in halbtc8821a1ant.c
Larry Finger [Sun, 12 Feb 2017 00:46:04 +0000 (18:46 -0600)]
rtlwifi: btcoexist: Fix if == else warnings in halbtc8821a1ant.c

The 0-DAY kernel test infrastructure reports the following:
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c:1771:1-3: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a1ant.c:2126:3-5: WARNING: possible condition with no effect (if == else)

Reported-by: kbuild-all@01.org
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
7 years agortlwifi: btcoexist: Fix if == else warnings in halbtc8821a2ant.c
Larry Finger [Sun, 12 Feb 2017 00:46:03 +0000 (18:46 -0600)]
rtlwifi: btcoexist: Fix if == else warnings in halbtc8821a2ant.c

The 0-DAY kernel test infrastructure reports the following:
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:3023:1-3: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:3035:2-4: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:3037:3-5: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:3047:3-5: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:3075:3-5: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:3085:3-5: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:3129:1-3: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:3141:2-4: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:3143:3-5: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:3153:3-5: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:3179:2-4: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:3181:3-5: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:3192:3-5: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:2677:1-3: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:2833:1-3: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:2847:3-5: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:2857:3-5: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:2885:3-5: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:2895:3-5: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:2940:1-3: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:2788:2-4: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:2391:2-4: WARNING: possible condition with no effect (if == else)
drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8821a2ant.c:2417:2-4: WARNING: possible condition with no effect (if == else)

Reported-by: kbuild-all@01.org
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
7 years agomwifiex: don't enable/disable IRQ 0 during suspend/resume
Brian Norris [Fri, 10 Feb 2017 21:55:25 +0000 (13:55 -0800)]
mwifiex: don't enable/disable IRQ 0 during suspend/resume

If we don't have an out-of-band wakeup IRQ configured through DT (as
most platforms don't), then we fall out of this function with
'irq_wakeup == 0'. Other code (e.g., mwifiex_disable_wake() and
mwifiex_enable_wake()) treats 'irq_wakeup >= 0' as a valid IRQ, and so
we end up calling {enable,disable}_irq() on IRQ 0.

That seems bad, so let's not do that.

Same problem as fixed in this patch:

https://patchwork.kernel.org/patch/9531693/
[PATCH v2 2/3] btmrvl: set irq_bt to -1 when failed to parse it

with the difference that:
(a) this one is actually a regression and
(b) this affects both device tree and non-device-tree systems

While fixing the regression, also drop the verbosity on the parse
failure, so we don't see this when a DT node is present but doesn't have
an interrupt property (this is perfectly legal):

[   21.999000] mwifiex_pcie 0000:01:00.0: fail to parse irq_wakeup from device tree

Fixes: 853402a00823 ("mwifiex: Enable WoWLAN for both sdio and pcie")
Signed-off-by: Brian Norris <briannorris@chromium.org>
Acked-by: Rajat Jain <rajatja@google.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
7 years agoorinoco: Use net_device_stats from struct net_device
Tobias Klauser [Fri, 10 Feb 2017 13:03:13 +0000 (14:03 +0100)]
orinoco: Use net_device_stats from struct net_device

Instead of using a private copy of struct net_device_stats in
struct orinoco_private, use stats from struct net_device. Also remove
the now unnecessary .ndo_get_stats function.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
7 years agortlwifi: btcoexist: fix semicolon.cocci warnings
Julia Lawall [Thu, 9 Feb 2017 20:12:51 +0000 (21:12 +0100)]
rtlwifi: btcoexist: fix semicolon.cocci warnings

Remove unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci

CC: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
7 years agowlcore: disable multicast filter in AP mode
Iain Hunter [Thu, 9 Feb 2017 14:37:28 +0000 (14:37 +0000)]
wlcore: disable multicast filter in AP mode

Enable AP support for allmulticast for MDNS. It can be enabled by bringing
up the interface with ip command with argument allmulticast on

Signed-off-by: Iain Hunter <i-hunter1@ti.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
7 years agoath9k: Access rchan::buf only with per_cpu helper
Sven Eckelmann [Mon, 13 Feb 2017 15:56:48 +0000 (16:56 +0100)]
ath9k: Access rchan::buf only with per_cpu helper

The relayfs was changed to use per CPU constructs to handle the rchan
buffers. But the users of the rchan buffers in other parts of the kernel
were not modified. This caused crashes like

  BUG: unable to handle kernel paging request at 00003a5198a0b910
  IP: [<ffffffffa973cb3a>] ath_cmn_process_fft+0xea/0x610
  PGD 0 [  179.522449]
  Oops: 0000 [#1] SMP
  Modules linked in:
  CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.9.0-rc5 #1
  [...]
  Call Trace:
   <IRQ> [  179.656426]  [<ffffffffa9704373>] ? ath_rx_tasklet+0x2f3/0xd10
   [<ffffffffa9702106>] ? ath9k_tasklet+0x1b6/0x230
   [<ffffffffa90dcbd1>] ? tasklet_action+0xf1/0x100
   [<ffffffffa9a3cb3f>] ? __do_softirq+0xef/0x284
   [<ffffffffa90dd22e>] ? irq_exit+0xae/0xb0
   [<ffffffffa9a3c89f>] ? do_IRQ+0x4f/0xd0
   [<ffffffffa9a3aa42>] ? common_interrupt+0x82/0x82
   <EOI> [  179.703152]  [<ffffffffa9a39c1d>] ? poll_idle+0x2d/0x57
   [<ffffffffa908c845>] ? sched_clock+0x5/0x10
   [<ffffffffa97bc8d6>] ? cpuidle_enter_state+0xf6/0x2d0
   [<ffffffffa911988e>] ? cpu_startup_entry+0x14e/0x230
   [<ffffffffaa3cdf70>] ? start_kernel+0x461/0x481
   [<ffffffffaa3cd120>] ? early_idt_handler_array+0x120/0x120
   [<ffffffffaa3cd413>] ? x86_64_start_kernel+0x14c/0x170
  Code: 31 db 41 be ff ff ff ff 4c 8b 26 48 8b 6e 08 49 8b 84 24 60 05 00
        00 48 8b 00 0f b7 40 04 66 89 44 24 48 eb 11 48 8b 55 40 48 98 <48>
        8b 3c c2 e8 ad a0 a4 ff 01 c3 41 8d 56 01 be 00 02 00 00 48
  RIP  [<ffffffffa973cb3a>] ath_cmn_process_fft+0xea/0x610
   RSP <ffff9b43e7003d20>
  CR2: 00003a5198a0b910

Fixes: 017c59c042d0 ("relay: Use per CPU constructs for the relay channel buffer pointers")
Cc: Akash Goel <akash.goel@intel.com>
Cc: Nick Kossifidis <mickflemm@gmail.com>
Reported-by: Mathias Kretschmer <mathias.kretschmer@fit.fraunhofer.de>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
7 years agoath9k: clean up and fix ath_tx_count_airtime
Felix Fietkau [Sun, 12 Feb 2017 13:29:31 +0000 (14:29 +0100)]
ath9k: clean up and fix ath_tx_count_airtime

ath_tx_count_airtime is doing a lot of unnecessary work:

- Redundant station lookup
- Redundant rcu_read_lock/unlock
- Useless memcpy of bf->rates
- Useless NULL check of bf->bf_mpdu
- Redundant lookup of the skb tid

Additionally, it tries to look up the mac80211 queue index from the txq,
which fails if the frame was delivered via the power save queue.

This patch fixes all of these issues by passing down the right set of
pointers instead of doing extra work

Cc: stable@vger.kernel.org
Fixes: 63fefa050477 ("ath9k: Introduce airtime fairness scheduling between stations")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
7 years agoath6kl: Use net_device_stats from struct net_device
Tobias Klauser [Thu, 9 Feb 2017 11:21:17 +0000 (12:21 +0100)]
ath6kl: Use net_device_stats from struct net_device

Instead of using a private copy of struct net_device_stats in struct
ath6kl_vif, use stats from struct net_device. Also remove the now
unnecessary .ndo_get_stats function.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
7 years agoath10k: fix the garage chars in board file name creation
Ryan Hsu [Fri, 10 Feb 2017 20:27:09 +0000 (12:27 -0800)]
ath10k: fix the garage chars in board file name creation

The variant[] string will be valid only if the bdf_ext is set.

The string memory needs to be null-terminated to avoid the undefined garbage
appended by the subsequent board file name creation.

ath10k_pci 0000:04:00.0: failed to fetch board data for
"bus=pci,vendor=168c,device=003e,subsystem-vendor=168c,subsystem-device=3363��P�����"
from ath10k/QCA6174/hw3.0/board-2.bin

Fixes: f2593cb1b291 ("ath10k: Search SMBIOS for OEM board file extension")
Reported-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Ryan Hsu <ryanhsu@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
7 years agoath10k: convert warning about non-existent OTP board id to debug message
Kalle Valo [Mon, 13 Feb 2017 10:38:43 +0000 (12:38 +0200)]
ath10k: convert warning about non-existent OTP board id to debug message

Currently ath10k unncessarily warns about board id not available from OTP:

ath10k_pci 0000:02:00.0: pci irq msi oper_irq_mode 2 irq_mode 0 reset_mode 0
ath10k_pci 0000:02:00.0: qca988x hw2.0 target 0x4100016c chip_id 0x043202ff sub 0000:0000
ath10k_pci 0000:02:00.0: kconfig debug 1 debugfs 1 tracing 1 dfs 1 testmode 1
ath10k_pci 0000:02:00.0: firmware ver 10.2.4.70.9-2 api 5 features no-p2p,raw-mode crc32 b8d50af5
ath10k_pci 0000:02:00.0: board id is not exist in otp, ignore it
ath10k_pci 0000:02:00.0: board_file api 1 bmi_id N/A crc32 bebc7c08
ath10k_pci 0000:02:00.0: htt-ver 2.1 wmi-op 5 htt-op 2 cal otp max-sta 128 raw 0 hwcrypto 1

But not all boards have the board id in OTP so this is not a problem and no
need to confuse the user with that info. So this can be safely changed to a
debug message.

Also fix grammar in the debug message.

Fixes: d2e202c06ca4 ("ath10k: ignore configuring the incorrect board_id")
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
7 years agoath10k: silence firmware file probing warnings
Michal Kazior [Mon, 13 Feb 2017 10:38:42 +0000 (12:38 +0200)]
ath10k: silence firmware file probing warnings

Firmware files are versioned to prevent older
driver instances to load unsupported firmware
blobs. This is reflected with a fallback logic
which attempts to load several firmware files.

This however produced a lot of unnecessary
warnings sometimes confusing users and leading
them to rename firmware files making things even
more confusing.

Hence use request_firmware_direct() which does not
produce extra warnings. This shouldn't really
break anything because most modern systems don't
rely on udev/hotplug helpers to load firmware
files anymore. For example it was confirmed that
LEDE does not user helper.

This also fixes a 60 second delay per _each_
unexistent firmware/calibration file with distros
which have CONFIG_FW_LOADER_USER_HELPER_FALLBACK
enabled, RHEL being a notable example. Using
ath10k with firmware-2.bin this might end up
into a five minute delay in boot.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
[kvalo@qca.qualcomm.com: add more info to the commit log]
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
7 years agoath10k: add directory to board data error message
Kalle Valo [Mon, 13 Feb 2017 10:38:41 +0000 (12:38 +0200)]
ath10k: add directory to board data error message

This way user has a better idea what file exactly is missing.
This is needed when we switch to using request_firmware_direct() which doesn't
print any errors anymore.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
7 years agoath10k: fetch firmware images in a loop
Erik Stromdahl [Mon, 13 Feb 2017 10:38:40 +0000 (12:38 +0200)]
ath10k: fetch firmware images in a loop

To make it easier to handle minimum and maximum firmware API numbers convert
the firmware fetch functionality to a loop. If no firmware image is found print
an error with minimum and maximum API numbers and the name of firmware
directory. This is needed when we switch to using request_firmware_direct()
which doesn't print any errors anymore.

Also add a new function for creating the fw file name dynamically which makes it
easier to add new bus support, for example SDIO and USB, later.

Signed-off-by: Erik Stromdahl <erik.stromdahl@gmail.com>
[kvalo@qca.qualcomm.com: remove sdio/usb part, new error message, clarify commit log]
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
7 years agoath10k: fix napi crash during rmmod when probe firmware fails
Kalle Valo [Mon, 13 Feb 2017 10:38:39 +0000 (12:38 +0200)]
ath10k: fix napi crash during rmmod when probe firmware fails

This fixes the below crash when ath10k probe firmware fails, NAPI polling tries
to access a rx ring resource which was never allocated. An easy way to
reproduce this is easy to remove all the firmware files, load ath10k modules
and ath10k will crash when calling 'rmmod ath10k_pci'. The fix is to call
napi_enable() from ath10k_pci_hif_start() so that it matches with
napi_disable() being called from ath10k_pci_hif_stop().

Big thanks to Mohammed Shafi Shajakhan who debugged this and provided first
version of the fix. In this patch I just fix the actual problem in pci.c
instead of having a workaround in core.c.

BUG: unable to handle kernel NULL pointer dereference at (null)
IP:  __ath10k_htt_rx_ring_fill_n+0x19/0x230 [ath10k_core]
__ath10k_htt_rx_ring_fill_n+0x19/0x230 [ath10k_core]

Call Trace:

[<ffffffffa113ec62>] ath10k_htt_rx_msdu_buff_replenish+0x42/0x90
[ath10k_core]
[<ffffffffa113f393>] ath10k_htt_txrx_compl_task+0x433/0x17d0
[ath10k_core]
[<ffffffff8114406d>] ? __wake_up_common+0x4d/0x80
[<ffffffff811349ec>] ? cpu_load_update+0xdc/0x150
[<ffffffffa119301d>] ? ath10k_pci_read32+0xd/0x10 [ath10k_pci]
[<ffffffffa1195b17>] ath10k_pci_napi_poll+0x47/0x110 [ath10k_pci]
[<ffffffff817863af>] net_rx_action+0x20f/0x370

Reported-by: Ben Greear <greearb@candelatech.com>
Fixes: 3c97f5de1f28 ("ath10k: implement NAPI support")
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
7 years agoath10k: fix comment
Amadeusz Sławiński [Mon, 13 Feb 2017 10:38:39 +0000 (12:38 +0200)]
ath10k: fix comment

I wanted to take a look and it's apparently in other header

Signed-off-by: Amadeusz Sławiński <amadeusz.slawinski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
7 years agoath10k: use size_t for len variables
Amadeusz Sławiński [Mon, 13 Feb 2017 10:38:38 +0000 (12:38 +0200)]
ath10k: use size_t for len variables

cleanup to consolidate type used for len variables

Signed-off-by: Amadeusz Sławiński <amadeusz.slawinski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
7 years agoath10k: remove ath10k_vif_to_arvif()
Amadeusz Sławiński [Mon, 13 Feb 2017 10:38:37 +0000 (12:38 +0200)]
ath10k: remove ath10k_vif_to_arvif()

it adds unnecessary level of indirection, while we just access structure
field

Signed-off-by: Amadeusz Sławiński <amadeusz.slawinski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
7 years agonet: natsemi: ns83820: use new api ethtool_{get|set}_link_ksettings
Philippe Reynes [Fri, 10 Feb 2017 22:57:48 +0000 (23:57 +0100)]
net: natsemi: ns83820: use new api ethtool_{get|set}_link_ksettings

The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: nuvoton: w90p910: use new api ethtool_{get|set}_link_ksettings
Philippe Reynes [Sun, 12 Feb 2017 20:38:29 +0000 (21:38 +0100)]
net: nuvoton: w90p910: use new api ethtool_{get|set}_link_ksettings

The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: neterion: vxge: use new api ethtool_{get|set}_link_ksettings
Philippe Reynes [Sun, 12 Feb 2017 16:33:13 +0000 (17:33 +0100)]
net: neterion: vxge: use new api ethtool_{get|set}_link_ksettings

The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: neterion: s2io: use new api ethtool_{get|set}_link_ksettings
Philippe Reynes [Sun, 12 Feb 2017 10:44:36 +0000 (11:44 +0100)]
net: neterion: s2io: use new api ethtool_{get|set}_link_ksettings

The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: micrel: ks8851_mll: use new api ethtool_{get|set}_link_ksettings
Philippe Reynes [Thu, 9 Feb 2017 10:28:25 +0000 (11:28 +0100)]
net: micrel: ks8851_mll: use new api ethtool_{get|set}_link_ksettings

The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: micrel: ks8851: use new api ethtool_{get|set}_link_ksettings
Philippe Reynes [Thu, 9 Feb 2017 08:57:47 +0000 (09:57 +0100)]
net: micrel: ks8851: use new api ethtool_{get|set}_link_ksettings

The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: micrel: ks8695net: use new api ethtool_{get|set}_link_ksettings
Philippe Reynes [Wed, 8 Feb 2017 22:54:45 +0000 (23:54 +0100)]
net: micrel: ks8695net: use new api ethtool_{get|set}_link_ksettings

The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: natsemi: use new api ethtool_{get|set}_link_ksettings
Philippe Reynes [Thu, 9 Feb 2017 22:58:25 +0000 (23:58 +0100)]
net: natsemi: use new api ethtool_{get|set}_link_ksettings

The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: myricom: myri10ge: use new api ethtool_{get|set}_link_ksettings
Philippe Reynes [Thu, 9 Feb 2017 22:17:23 +0000 (23:17 +0100)]
net: myricom: myri10ge: use new api ethtool_{get|set}_link_ksettings

The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Acked-by: Hyong-Youb Kim <hykim@myri.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: microchip: encx24j600: use new api ethtool_{get|set}_link_ksettings
Philippe Reynes [Thu, 9 Feb 2017 21:42:18 +0000 (22:42 +0100)]
net: microchip: encx24j600: use new api ethtool_{get|set}_link_ksettings

The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: microchip: enc28j60: use new api ethtool_{get|set}_link_ksettings
Philippe Reynes [Thu, 9 Feb 2017 21:02:47 +0000 (22:02 +0100)]
net: microchip: enc28j60: use new api ethtool_{get|set}_link_ksettings

The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: micrel: ksz884x: use new api ethtool_{get|set}_link_ksettings
Philippe Reynes [Thu, 9 Feb 2017 19:25:06 +0000 (20:25 +0100)]
net: micrel: ksz884x: use new api ethtool_{get|set}_link_ksettings

The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agoMerge branch 'bnxt_en-misc-updates'
David S. Miller [Mon, 13 Feb 2017 03:18:52 +0000 (22:18 -0500)]
Merge branch 'bnxt_en-misc-updates'

Michael Chan says:

====================
bnxt_en: Misc updates.

Miscellaneous updates include update of the firmware spec, ethtool flash
enhancement, ethtool -l minor fix, NTUPLE support enhancements, FEC
link settings message during link up, and new PCI IDs.  Please review.
Thanks.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agobnxt_en: Added PCI IDs for BCM57452 and BCM57454 ASICs
Deepak Khungar [Mon, 13 Feb 2017 00:18:18 +0000 (19:18 -0500)]
bnxt_en: Added PCI IDs for BCM57452 and BCM57454 ASICs

Signed-off-by: Deepak Khungar <deepak.khungar@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agobnxt_en: Fix bnxt_setup_tc() error message.
Michael Chan [Mon, 13 Feb 2017 00:18:17 +0000 (19:18 -0500)]
bnxt_en: Fix bnxt_setup_tc() error message.

Add proper puctuation to make the message more clear.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agobnxt_en: Print FEC settings as part of the linkup dmesg.
Michael Chan [Mon, 13 Feb 2017 00:18:16 +0000 (19:18 -0500)]
bnxt_en: Print FEC settings as part of the linkup dmesg.

Print FEC (Forward Error Correction) autoneg and encoding settings during
link up.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agobnxt_en: Do not setup PHY unless driving a single PF.
Michael Chan [Mon, 13 Feb 2017 00:18:15 +0000 (19:18 -0500)]
bnxt_en: Do not setup PHY unless driving a single PF.

If it is a VF or an NPAR function, the firmware call to setup the PHY
will fail.  Adding this check will prevent unnecessary firmware calls
to setup the PHY unless calling from the PF.  This will also eliminate
many unnecessary warning messages when the call from a VF or NPAR fails.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agobnxt_en: Add hardware NTUPLE filter for encapsulated packets.
Michael Chan [Mon, 13 Feb 2017 00:18:14 +0000 (19:18 -0500)]
bnxt_en: Add hardware NTUPLE filter for encapsulated packets.

If skb_flow_dissect_flow_keys() returns with the encapsulation flag
set, pass the information to the firmware to setup the NTUPLE filter
accordingly.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agobnxt_en: Allow NETIF_F_NTUPLE to be enabled on VFs.
Michael Chan [Mon, 13 Feb 2017 00:18:13 +0000 (19:18 -0500)]
bnxt_en: Allow NETIF_F_NTUPLE to be enabled on VFs.

Commit ae10ae740ad2 ("bnxt_en: Add new hardware RFS mode.") has added
code to allow NTUPLE to be enabled on VFs.  So we now remove the
BNXT_VF() check in rfs_capable() to allow NTUPLE on VFs.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agobnxt_en: Fix ethtool -l pre-set max combined channel.
Michael Chan [Mon, 13 Feb 2017 00:18:12 +0000 (19:18 -0500)]
bnxt_en: Fix ethtool -l pre-set max combined channel.

With commit d1e7925e6d80 ("bnxt_en: Centralize logic to reserve rings."),
ring allocation for combined rings has become stricter.  A combined
ring must now have an rx-tx ring pair.  The pre-set max. for combined
rings should now be min(rx, tx).

Fixes: d1e7925e6d80 ("bnxt_en: Centralize logic to reserve rings.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agobnxt_en: Retry failed NVM_INSTALL_UPDATE with defragmentation flag.
Kshitij Soni [Mon, 13 Feb 2017 00:18:11 +0000 (19:18 -0500)]
bnxt_en: Retry failed NVM_INSTALL_UPDATE with defragmentation flag.

If the HWRM_NVM_INSTALL_UPDATE command fails with the error code
NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR, retry the command with
a new flag to allow defragmentation.  Since we are checking the
response for error code, we also need to take the mutex until
we finish reading the response.

Signed-off-by: Kshitij Soni <kshitij.soni@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agobnxt_en: Update to firmware interface spec 1.7.0.
Michael Chan [Mon, 13 Feb 2017 00:18:10 +0000 (19:18 -0500)]
bnxt_en: Update to firmware interface spec 1.7.0.

The new spec has NVRAM defragmentation support which will be used in
the next patch to improve ethtool flash operation.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
David S. Miller [Mon, 13 Feb 2017 03:11:43 +0000 (22:11 -0500)]
Merge git://git./linux/kernel/git/pablo/nf-next

Pablo Neira Ayuso says:

====================
Netfilter updates for net-next

The following patchset contains Netfilter updates for your net-next
tree, most relevantly they are:

1) Extend nft_exthdr to allow to match TCP options bitfields, from
   Manuel Messner.

2) Allow to check if IPv6 extension header is present in nf_tables,
   from Phil Sutter.

3) Allow to set and match conntrack zone in nf_tables, patches from
   Florian Westphal.

4) Several patches for the nf_tables set infrastructure, this includes
   cleanup and preparatory patches to add the new bitmap set type.

5) Add optional ruleset generation ID check to nf_tables and allow to
   delete rules that got no public handle yet via NFTA_RULE_ID. These
   patches add the missing kernel infrastructure to support rule
   deletion by description from userspace.

6) Missing NFT_SET_OBJECT flag to select the right backend when sets
   stores an object map.

7) A couple of cleanups for the expectation and SIP helper, from Gao
   feng.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonetfilter: nf_tables: honor NFT_SET_OBJECT in set backend selection
Pablo Neira Ayuso [Fri, 10 Feb 2017 18:59:36 +0000 (19:59 +0100)]
netfilter: nf_tables: honor NFT_SET_OBJECT in set backend selection

Check for NFT_SET_OBJECT feature flag, otherwise we may end up selecting
the wrong set backend.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
7 years agonetfilter: update MAINTAINERS
Pablo Neira Ayuso [Fri, 10 Feb 2017 11:08:29 +0000 (12:08 +0100)]
netfilter: update MAINTAINERS

It's been a while since Patrick has been suspended as coreteam member [1].
Update this file to remove him.

While at this, remove references to all foo-tables variants, given the
project hosts more than just that, eg. ipset, conntrack, ...

[1] https://marc.info/?l=netfilter-devel&m=146887464512702

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
7 years agonetfilter: nf_tables: add NFTA_RULE_ID attribute
Pablo Neira Ayuso [Fri, 10 Feb 2017 11:08:23 +0000 (12:08 +0100)]
netfilter: nf_tables: add NFTA_RULE_ID attribute

This new attribute allows us to uniquely identify a rule in transaction.
Robots may trigger an insertion followed by deletion in a batch, in that
scenario we still don't have a public rule handle that we can use to
delete the rule. This is similar to the NFTA_SET_ID attribute that
allows us to refer to an anonymous set from a batch.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
7 years agonetfilter: nf_tables: add check_genid to the nfnetlink subsystem
Pablo Neira Ayuso [Fri, 10 Feb 2017 11:08:20 +0000 (12:08 +0100)]
netfilter: nf_tables: add check_genid to the nfnetlink subsystem

This patch implements the check generation id as provided by nfnetlink.
This allows us to reject ruleset updates against stale baseline, so
userspace can retry update with a fresh ruleset cache.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
7 years agonetfilter: nfnetlink: allow to check for generation ID
Pablo Neira Ayuso [Fri, 10 Feb 2017 11:08:17 +0000 (12:08 +0100)]
netfilter: nfnetlink: allow to check for generation ID

This patch allows userspace to specify the generation ID that has been
used to build an incremental batch update.

If userspace specifies the generation ID in the batch message as
attribute, then nfnetlink compares it to the current generation ID so
you make sure that you work against the right baseline. Otherwise, bail
out with ERESTART so userspace knows that its changeset is stale and
needs to respin. Userspace can do this transparently at the cost of
taking slightly more time to refresh caches and rework the changeset.

This check is optional, if there is no NFNL_BATCH_GENID attribute in the
batch begin message, then no check is performed.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
7 years agonetfilter: nfnetlink: add nfnetlink_rcv_skb_batch()
Pablo Neira Ayuso [Fri, 10 Feb 2017 11:08:14 +0000 (12:08 +0100)]
netfilter: nfnetlink: add nfnetlink_rcv_skb_batch()

Add new nfnetlink_rcv_skb_batch() to wrap initial nfnetlink batch
handling.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
7 years agonetfilter: nfnetlink: get rid of u_intX_t types
Pablo Neira Ayuso [Fri, 10 Feb 2017 11:08:08 +0000 (12:08 +0100)]
netfilter: nfnetlink: get rid of u_intX_t types

Use uX types instead.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
7 years agonetfilter: nf_ct_expect: nf_ct_expect_insert() returns void
Gao Feng [Thu, 9 Feb 2017 13:40:38 +0000 (21:40 +0800)]
netfilter: nf_ct_expect: nf_ct_expect_insert() returns void

Because nf_ct_expect_insert() always succeeds now, its return value can
be just void instead of int. And remove code that checks for its return
value.

Signed-off-by: Gao Feng <fgao@ikuai8.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
7 years agonetfilter: nf_ct_sip: Use mod_timer_pending()
Gao Feng [Thu, 9 Feb 2017 08:46:45 +0000 (16:46 +0800)]
netfilter: nf_ct_sip: Use mod_timer_pending()

timer_del() followed by timer_add() can be replaced by
mod_timer_pending().

Signed-off-by: Gao Feng <fgao@ikuai8.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
7 years agonet_sched: fix error recovery at qdisc creation
Eric Dumazet [Fri, 10 Feb 2017 18:31:49 +0000 (10:31 -0800)]
net_sched: fix error recovery at qdisc creation

Dmitry reported uses after free in qdisc code [1]

The problem here is that ops->init() can return an error.

qdisc_create_dflt() then call ops->destroy(),
while qdisc_create() does _not_ call it.

Four qdisc chose to call their own ops->destroy(), assuming their caller
would not.

This patch makes sure qdisc_create() calls ops->destroy()
and fixes the four qdisc to avoid double free.

[1]
BUG: KASAN: use-after-free in mq_destroy+0x242/0x290 net/sched/sch_mq.c:33 at addr ffff8801d415d440
Read of size 8 by task syz-executor2/5030
CPU: 0 PID: 5030 Comm: syz-executor2 Not tainted 4.3.5-smp-DEV #119
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000046 ffff8801b435b870 ffffffff81bbbed4 ffff8801db000400
 ffff8801d415d440 ffff8801d415dc40 ffff8801c4988510 ffff8801b435b898
 ffffffff816682b1 ffff8801b435b928 ffff8801d415d440 ffff8801c49880c0
Call Trace:
 [<ffffffff81bbbed4>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81bbbed4>] dump_stack+0x6c/0x98 lib/dump_stack.c:51
 [<ffffffff816682b1>] kasan_object_err+0x21/0x70 mm/kasan/report.c:158
 [<ffffffff81668524>] print_address_description mm/kasan/report.c:196 [inline]
 [<ffffffff81668524>] kasan_report_error+0x1b4/0x4b0 mm/kasan/report.c:285
 [<ffffffff81668953>] kasan_report mm/kasan/report.c:305 [inline]
 [<ffffffff81668953>] __asan_report_load8_noabort+0x43/0x50 mm/kasan/report.c:326
 [<ffffffff82527b02>] mq_destroy+0x242/0x290 net/sched/sch_mq.c:33
 [<ffffffff82524bdd>] qdisc_destroy+0x12d/0x290 net/sched/sch_generic.c:953
 [<ffffffff82524e30>] qdisc_create_dflt+0xf0/0x120 net/sched/sch_generic.c:848
 [<ffffffff8252550d>] attach_default_qdiscs net/sched/sch_generic.c:1029 [inline]
 [<ffffffff8252550d>] dev_activate+0x6ad/0x880 net/sched/sch_generic.c:1064
 [<ffffffff824b1db1>] __dev_open+0x221/0x320 net/core/dev.c:1403
 [<ffffffff824b24ce>] __dev_change_flags+0x15e/0x3e0 net/core/dev.c:6858
 [<ffffffff824b27de>] dev_change_flags+0x8e/0x140 net/core/dev.c:6926
 [<ffffffff824f5bf6>] dev_ifsioc+0x446/0x890 net/core/dev_ioctl.c:260
 [<ffffffff824f61fa>] dev_ioctl+0x1ba/0xb80 net/core/dev_ioctl.c:546
 [<ffffffff82430509>] sock_do_ioctl+0x99/0xb0 net/socket.c:879
 [<ffffffff82430d30>] sock_ioctl+0x2a0/0x390 net/socket.c:958
 [<ffffffff816f3b68>] vfs_ioctl fs/ioctl.c:44 [inline]
 [<ffffffff816f3b68>] do_vfs_ioctl+0x8a8/0xe50 fs/ioctl.c:611
 [<ffffffff816f41a4>] SYSC_ioctl fs/ioctl.c:626 [inline]
 [<ffffffff816f41a4>] SyS_ioctl+0x94/0xc0 fs/ioctl.c:617
 [<ffffffff8123e357>] entry_SYSCALL_64_fastpath+0x12/0x17

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: ethernet: ti: cpsw: return NET_XMIT_DROP if skb_padto failed
Ivan Khoronzhuk [Sat, 11 Feb 2017 01:49:57 +0000 (03:49 +0200)]
net: ethernet: ti: cpsw: return NET_XMIT_DROP if skb_padto failed

If skb_padto failed the skb has been dropped already, so it was
consumed, but it doesn't mean it was sent, thus no need to update
queue tx time, etc. So, return NET_XMIT_DROP as more appropriate.

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agovxlan: remove vni zero check and drop for COLLECT_METADATA
Roopa Prabhu [Sat, 11 Feb 2017 05:38:36 +0000 (21:38 -0800)]
vxlan: remove vni zero check and drop for COLLECT_METADATA

This patch drops the vni zero check for COLLECT_METADATA mode.
It is not really needed, vni zero is a valid vni.

Fixes: 3ad7a4b141eb ("vxlan: support fdb and learning in COLLECT_METADATA mode"
Reported-by: Joe Stringer <joe@ovn.org>
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonet: rename dst_neigh_output back to neigh_output
Julian Anastasov [Sat, 11 Feb 2017 11:49:20 +0000 (13:49 +0200)]
net: rename dst_neigh_output back to neigh_output

After the dst->pending_confirm flag was removed, we do not
need anymore to provide dst arg to dst_neigh_output.
So, rename it to neigh_output as before commit 5110effee8fd
("net: Do delayed neigh confirmation.").

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agosfc: fix swapped arguments to efx_ef10_handle_rx_event_errors
Edward Cree [Fri, 10 Feb 2017 17:34:59 +0000 (17:34 +0000)]
sfc: fix swapped arguments to efx_ef10_handle_rx_event_errors

Fixes: a0ee35414837 ("sfc: process RX event inner checksum flags")
Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agoMerge branch 'ipvtap'
David S. Miller [Sun, 12 Feb 2017 01:59:43 +0000 (20:59 -0500)]
Merge branch 'ipvtap'

Sainath Grandhi says:

====================
Refactor macvtap to re-use tap functionality by other virtual intefaces

Tap character devices can be implemented on other virtual interfaces like
ipvlan, similar to macvtap. Source code for tap functionality in macvtap
can be re-used for this purpose.

This patch series splits macvtap source into two modules, macvtap and tap.
This patch series also includes a patch for implementing tap character
device driver based on the IP-VLAN network interface, called ipvtap.

These patches are tested on x86 platform.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agoipvtap: IP-VLAN based tap driver
Sainath Grandhi [Sat, 11 Feb 2017 00:03:52 +0000 (16:03 -0800)]
ipvtap: IP-VLAN based tap driver

This patch adds a tap character device driver that is based on the
IP-VLAN network interface, called ipvtap. An ipvtap device can be created
in the same way as an ipvlan device, using 'type ipvtap', and then accessed
using the tap user space interface.

Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agotap: tap as an independent module
Sainath Grandhi [Sat, 11 Feb 2017 00:03:51 +0000 (16:03 -0800)]
tap: tap as an independent module

This patch makes tap a separate module for other types of virtual interfaces, for example,
ipvlan to use.

Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agotap: Extending tap device create/destroy APIs
Sainath Grandhi [Sat, 11 Feb 2017 00:03:50 +0000 (16:03 -0800)]
tap: Extending tap device create/destroy APIs

Extending tap APIs get/free_minor and create/destroy_cdev to handle more than one
type of virtual interface.

Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agotap: Abstract type of virtual interface from tap implementation
Sainath Grandhi [Sat, 11 Feb 2017 00:03:49 +0000 (16:03 -0800)]
tap: Abstract type of virtual interface from tap implementation

macvlan object is re-structured to hold tap related elements in a separate
entity, tap_dev. Upon NETDEV_REGISTER device_event, tap_dev is registered with
idr and fetched again on tap_open. Few of the tap functions are modified to
accepted tap_dev as argument. tap_dev object includes callbacks to be used by
underlying virtual interface to take care of tx and rx accounting.

Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agotap: Tap character device creation/destroy API
Sainath Grandhi [Sat, 11 Feb 2017 00:03:48 +0000 (16:03 -0800)]
tap: Tap character device creation/destroy API

This patch provides tap device create/destroy APIs in tap.c.

Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agotap: Renaming tap related APIs, data structures, macros
Sainath Grandhi [Sat, 11 Feb 2017 00:03:47 +0000 (16:03 -0800)]
tap: Renaming tap related APIs, data structures, macros

Renaming tap related APIs, data structures and macros in tap.c from macvtap_.* to tap_.*

Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agotap: Refactoring macvtap.c
Sainath Grandhi [Sat, 11 Feb 2017 00:03:46 +0000 (16:03 -0800)]
tap: Refactoring macvtap.c

macvtap module has code for tap/queue management and link management. This patch splits
the code into macvtap_main.c for link management and tap.c for tap/queue management.
Functionality in tap.c can be re-used for implementing tap on other virtual interfaces.

Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
David S. Miller [Sat, 11 Feb 2017 07:31:11 +0000 (02:31 -0500)]
Merge git://git./linux/kernel/git/davem/net

7 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Linus Torvalds [Fri, 10 Feb 2017 22:44:49 +0000 (14:44 -0800)]
Merge git://git./linux/kernel/git/davem/net

Pull networking fixes from David Miller:

 1) If the timing is wrong we can indefinitely stop generating new ipv6
    temporary addresses, from Marcus Huewe.

 2) Don't double free per-cpu stats in ipv6 SIT tunnel driver, from Cong
    Wang.

 3) Put protections in place so that AF_PACKET is not able to submit
    packets which don't even have a link level header to drivers. From
    Willem de Bruijn.

 4) Fix memory leaks in ipv4 and ipv6 multicast code, from Hangbin Liu.

 5) Don't use udp_ioctl() in l2tp code, UDP version expects a UDP socket
    and that doesn't go over very well when it is passed an L2TP one.
    Fix from Eric Dumazet.

 6) Don't crash on NULL pointer in phy_attach_direct(), from Florian
    Fainelli.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  l2tp: do not use udp_ioctl()
  xen-netfront: Delete rx_refill_timer in xennet_disconnect_backend()
  NET: mkiss: Fix panic
  net: hns: Fix the device being used for dma mapping during TX
  net: phy: Initialize mdio clock at probe function
  igmp, mld: Fix memory leak in igmpv3/mld_del_delrec()
  xen-netfront: Improve error handling during initialization
  sierra_net: Skip validating irrelevant fields for IDLE LSIs
  sierra_net: Add support for IPv6 and Dual-Stack Link Sense Indications
  kcm: fix 0-length case for kcm_sendmsg()
  xen-netfront: Rework the fix for Rx stall during OOM and network stress
  net: phy: Fix PHY module checks and NULL deref in phy_attach_direct()
  net: thunderx: Fix PHY autoneg for SGMII QLM mode
  net: dsa: Do not destroy invalid network devices
  ping: fix a null pointer dereference
  packet: round up linear to header len
  net: introduce device min_header_len
  sit: fix a double free on error path
  lwtunnel: valid encap attr check should return 0 when lwtunnel is disabled
  ipv6: addrconf: fix generation of new temporary addresses

7 years agoMerge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Linus Torvalds [Fri, 10 Feb 2017 22:41:16 +0000 (14:41 -0800)]
Merge tag 'for-linus' of git://git./linux/kernel/git/dledford/rdma

Pull rdma fixes from Doug Ledford:
 "Third round of -rc fixes for 4.10 kernel:

   - two security related issues in the rxe driver

   - one compile issue in the RDMA uapi header"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
  RDMA: Don't reference kernel private header from UAPI header
  IB/rxe: Fix mem_check_range integer overflow
  IB/rxe: Fix resid update

7 years agoMerge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa...
Linus Torvalds [Fri, 10 Feb 2017 22:39:08 +0000 (14:39 -0800)]
Merge branch 'i2c/for-current' of git://git./linux/kernel/git/wsa/linux

Pull i2c bugfixes from Wolfram Sang:
 "Two bugfixes (proper IO mapping and use of mutex) for a driver feature
  we introduced in this cycle"

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: piix4: Request the SMBUS semaphore inside the mutex
  i2c: piix4: Fix request_region size

7 years agoMerge tag 'mmc-v4.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Linus Torvalds [Fri, 10 Feb 2017 22:35:22 +0000 (14:35 -0800)]
Merge tag 'mmc-v4.10-rc7' of git://git./linux/kernel/git/ulfh/mmc

Pull MMC host fix from Ulf Hansson:
 "mmci: Fix hang while waiting for busy-end interrupt"

* tag 'mmc-v4.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
  mmc: mmci: avoid clearing ST Micro busy end interrupt mistakenly

7 years agoMerge tag 'sound-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Linus Torvalds [Fri, 10 Feb 2017 22:29:30 +0000 (14:29 -0800)]
Merge tag 'sound-4.10' of git://git./linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Here are some last-minute fixes: two fixes for races in ALSA sequencer
  queue spotted by syzkaller, a revert for a regression of LINE6 driver
  (since 4.9), and a trivial new codec ID addition for Nvidia HDMI"

* tag 'sound-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda - adding a new NV HDMI/DP codec ID in the driver
  ALSA: seq: Fix race at creating a queue
  Revert "ALSA: line6: Only determine control port properties if needed"
  ALSA: seq: Don't handle loop timeout at snd_seq_pool_done()

7 years agoMerge tag 'nfsd-4.10-3' of git://linux-nfs.org/~bfields/linux
Linus Torvalds [Fri, 10 Feb 2017 22:23:45 +0000 (14:23 -0800)]
Merge tag 'nfsd-4.10-3' of git://linux-nfs.org/~bfields/linux

Pull nfsd revert from Bruce Fields:
 "This patch turned out to have a couple problems. The problems are
  fixable, but at least one of the fixes is a little ugly. The original
  bug has always been there, so we can wait another week or two to get
  this right"

* tag 'nfsd-4.10-3' of git://linux-nfs.org/~bfields/linux:
  nfsd: Revert "nfsd: special case truncates some more"

7 years agoMerge tag 'powerpc-4.10-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc...
Linus Torvalds [Fri, 10 Feb 2017 22:10:35 +0000 (14:10 -0800)]
Merge tag 'powerpc-4.10-4' of git://git./linux/kernel/git/powerpc/linux

Pull powerpc fixes friom Michael Ellerman:
 "Apologies for the late pull request, but Ben has been busy finding bugs.

   - Userspace was semi-randomly segfaulting on radix due to us
     incorrectly handling a fault triggered by autonuma, caused by a
     patch we merged earlier in v4.10 to prevent the kernel executing
     userspace.

   - We weren't marking host IPIs properly for KVM in the OPAL ICP
     backend.

   - The ERAT flushing on radix was missing an isync and was incorrectly
     marked as DD1 only.

   - The powernv CPU hotplug code was missing a wakeup type and failing
     to flush the interrupt correctly when using OPAL ICP

  Thanks to Benjamin Herrenschmidt"

* tag 'powerpc-4.10-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/powernv: Properly set "host-ipi" on IPIs
  powerpc/powernv: Fix CPU hotplug to handle waking on HVI
  powerpc/mm/radix: Update ERAT flushes when invalidating TLB
  powerpc/mm: Fix spurrious segfaults on radix with autonuma

7 years agogtp: add MAINTAINERS
Pablo Neira [Fri, 10 Feb 2017 12:26:27 +0000 (13:26 +0100)]
gtp: add MAINTAINERS

Add maintainers for this tunnel driver. Include main osmocom.org mailist
list too.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agol2tp: do not use udp_ioctl()
Eric Dumazet [Fri, 10 Feb 2017 00:15:52 +0000 (16:15 -0800)]
l2tp: do not use udp_ioctl()

udp_ioctl(), as its name suggests, is used by UDP protocols,
but is also used by L2TP :(

L2TP should use its own handler, because it really does not
look the same.

SIOCINQ for instance should not assume UDP checksum or headers.

Thanks to Andrey and syzkaller team for providing the report
and a nice reproducer.

While crashes only happen on recent kernels (after commit
7c13f97ffde6 ("udp: do fwd memory scheduling on dequeue")), this
probably needs to be backported to older kernels.

Fixes: 7c13f97ffde6 ("udp: do fwd memory scheduling on dequeue")
Fixes: 85584672012e ("udp: Fix udp_poll() and ioctl()")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agoMerge branch 'bpf-selftests-improve-and-use-library'
David S. Miller [Fri, 10 Feb 2017 20:56:08 +0000 (15:56 -0500)]
Merge branch 'bpf-selftests-improve-and-use-library'

Mickaël Salaün says:

====================
Improve BPF selftests and use the library (net-next tree)

This series brings some fixes to selftests, add the ability to test
unprivileged BPF programs as root and replace bpf_sys.h with calls to the BPF
library.

This is intended for the net-next tree and apply on c0e4dadb3494 ("net: dsa:
mv88e6xxx: Move forward declaration to where it is needed").

Changes since v4:
* align text for function calls as requested by Daniel Borkmann
  (bpf_load_program and bpf_map_update_elem)
* rebase

Changes since v3:
* keep the bzero() calls

Changes since v2:
* use the patches from two previous series (unprivileged tests and bpf_sys.h
  replacement)
* include one more stdint.h
* rebase on net-next
* add this cover letter

Changes since v1:
* exclude patches not intended for the net-next tree
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agobpf: Add test_tag to .gitignore
Mickaël Salaün [Thu, 9 Feb 2017 23:21:45 +0000 (00:21 +0100)]
bpf: Add test_tag to .gitignore

Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agobpf: Remove bpf_sys.h from selftests
Mickaël Salaün [Thu, 9 Feb 2017 23:21:44 +0000 (00:21 +0100)]
bpf: Remove bpf_sys.h from selftests

Add require dependency headers.

Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agobpf: Use bpf_create_map() from the library
Mickaël Salaün [Thu, 9 Feb 2017 23:21:43 +0000 (00:21 +0100)]
bpf: Use bpf_create_map() from the library

Replace bpf_map_create() with bpf_create_map() calls.

Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agobpf: Use bpf_map_get_next_key() from the library
Mickaël Salaün [Thu, 9 Feb 2017 23:21:42 +0000 (00:21 +0100)]
bpf: Use bpf_map_get_next_key() from the library

Replace bpf_map_next_key() with bpf_map_get_next_key() calls.

Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agobpf: Use bpf_map_delete_elem() from the library
Mickaël Salaün [Thu, 9 Feb 2017 23:21:41 +0000 (00:21 +0100)]
bpf: Use bpf_map_delete_elem() from the library

Replace bpf_map_delete() with bpf_map_delete_elem() calls.

Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agobpf: Use bpf_map_lookup_elem() from the library
Mickaël Salaün [Thu, 9 Feb 2017 23:21:40 +0000 (00:21 +0100)]
bpf: Use bpf_map_lookup_elem() from the library

Replace bpf_map_lookup() with bpf_map_lookup_elem() calls.

Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agobpf: Use bpf_map_update_elem() from the library
Mickaël Salaün [Thu, 9 Feb 2017 23:21:39 +0000 (00:21 +0100)]
bpf: Use bpf_map_update_elem() from the library

Replace bpf_map_update() with bpf_map_update_elem() calls.

Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agobpf: Use bpf_load_program() from the library
Mickaël Salaün [Thu, 9 Feb 2017 23:21:38 +0000 (00:21 +0100)]
bpf: Use bpf_load_program() from the library

Replace bpf_prog_load() with bpf_load_program() calls.

Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agobpf: Always test unprivileged programs
Mickaël Salaün [Thu, 9 Feb 2017 23:21:37 +0000 (00:21 +0100)]
bpf: Always test unprivileged programs

If selftests are run as root, then execute the unprivileged checks as
well. This switch from 243 to 368 tests.

The test numbers are suffixed with "/u" when executed as unprivileged or
with "/p" when executed as privileged.

The geteuid() check is replaced with a capability check.

Handling capabilities requires the libcap dependency.

Signed-off-by: Mickaël Salaün <mic@digikod.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agobpf: Change the include directory for selftest
Mickaël Salaün [Thu, 9 Feb 2017 23:21:36 +0000 (00:21 +0100)]
bpf: Change the include directory for selftest

Use the tools include directory instead of the installed one to allow
builds from other kernels.

Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agotools: Sync {,tools/}include/uapi/linux/bpf.h
Mickaël Salaün [Thu, 9 Feb 2017 23:21:35 +0000 (00:21 +0100)]
tools: Sync {,tools/}include/uapi/linux/bpf.h

The tools version of this header is out of date; update it to the latest
version from kernel header.

Synchronize with the following commits:
b95a5c4db09b ("bpf: add a longest prefix match trie map implementation")
a5e8c07059d0 ("bpf: add bpf_probe_read_str helper")
d1b662adcdb8 ("bpf: allow option for setting bpf_l4_csum_replace from scratch")

Signed-off-by: Mickaël Salaün <mic@digikod.net>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Daniel Mack <daniel@zonque.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Gianluca Borello <g.borello@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agoMerge branch 'netronome-NFP4000-and-NFP6000-PF-driver'
David S. Miller [Fri, 10 Feb 2017 20:52:27 +0000 (15:52 -0500)]
Merge branch 'netronome-NFP4000-and-NFP6000-PF-driver'

Jakub Kicinski says:

====================
Netronome NFP4000 and NFP6000 PF driver

This is a base PF driver for Netronome NFP4000 and NFP6000 chips.  This
series doesn't add any exciting new features, it provides a foundation
for supporting more advanced firmware applications.

Patch 1 moves a bitfield-related helper from our BPF code to the global
header.

Patch 2 renames the kernel module and adds a new main file.  We were
considering 3-module approach (pf, vf, common netdev library) but
ultimately settled on a single module to keep things simple.

Patch 3 adds support for accessing chip internals.  It provides a way of
configuring access windows to different parts of chip memory and issuing
pretty much any commands on chip's NoC.

Patches 4, 5, 6, 7, 8 provide support for accessing and interpreting
various hardware and firmware information structures.

Patch 9 introduces service processor (NSP) ABI.  This ABI gives us
access to PHY/SFP module configuration and information as well as
methods for unloading and loading application firmware.

Patches 10 and 11 modify the existing netdev code to make it possible
to support multi-port devices (sharing a PCI device).

Patch 12 adds a new driver probe path which will be used for the PF
PCI device IDs.  It utilizes the newly added infrastructure and is able
to load application FW and spawn netdevs for all card's ports.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonfp: add the PF driver
Jakub Kicinski [Thu, 9 Feb 2017 17:17:38 +0000 (09:17 -0800)]
nfp: add the PF driver

Add PF driver for NFP4000 and NFP6000.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonfp: allocate irqs in lower driver
Jakub Kicinski [Thu, 9 Feb 2017 17:17:37 +0000 (09:17 -0800)]
nfp: allocate irqs in lower driver

PF services multiple ports using single PCI device therefore
IRQs can no longer be allocated in the netdev code.  Lower
portion of the driver has to allocate the IRQs and hand them
out to ports.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonfp: add port layer to debugfs directories
Jakub Kicinski [Thu, 9 Feb 2017 17:17:36 +0000 (09:17 -0800)]
nfp: add port layer to debugfs directories

PF driver will support multiple ports per PCI device, add port
number to DebugFS paths.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonfp: add support for service processor access
Jakub Kicinski [Thu, 9 Feb 2017 17:17:35 +0000 (09:17 -0800)]
nfp: add support for service processor access

NFP Service Processor (NSP) is an ARM core inside the chip which
is responsible for management and control functions.  Add support
for chip reset, FW load and external module access using the NSP.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonfp: add rtsym support
Jakub Kicinski [Thu, 9 Feb 2017 17:17:34 +0000 (09:17 -0800)]
nfp: add rtsym support

Add support for using application FW symbol table to look up
location of information in device memory.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonfp: add MIP reading support
Jakub Kicinski [Thu, 9 Feb 2017 17:17:33 +0000 (09:17 -0800)]
nfp: add MIP reading support

MIP is a vector of information which linker can optionally include
in application firmware.  It will be used to retrieve the location
of symbol tables.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonfp: add support for reading nffw info
Jakub Kicinski [Thu, 9 Feb 2017 17:17:32 +0000 (09:17 -0800)]
nfp: add support for reading nffw info

NFFW info is a resource which contains information about
the loaded application firmware.  Add code which will allow
us to decode it and retrieve MIP location.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonfp: add hwinfo support
Jakub Kicinski [Thu, 9 Feb 2017 17:17:31 +0000 (09:17 -0800)]
nfp: add hwinfo support

Hwinfo is a simple key=value store of information which is read
from the flash and populated during chip power on.  Add code to
look up information in it.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
7 years agonfp: add support for resources
Jakub Kicinski [Thu, 9 Feb 2017 17:17:30 +0000 (09:17 -0800)]
nfp: add support for resources

Resource table is an array placed in a well defined location
in device's memory which describes device resources and contains
locks which have to be acquired to use them.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>