Commit Graph

915659 Commits

Author SHA1 Message Date
wenxu
beb97d3a31 net/sched: act_ct: update nf_conn_acct for act_ct SW offload in flowtable
When the act_ct SW offload in flowtable, The counter of the conntrack
entry will never update. So update the nf_conn_acct conuter in act_ct
flowtable software offload.

Signed-off-by: wenxu <wenxu@ucloud.cn>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22 12:48:17 -07:00
David S. Miller
58989d7cf6 Merge branch 'net-phy-add-device-managed-devm_mdiobus_register'
Heiner Kallweit says:

====================
net: phy: add device-managed devm_mdiobus_register

If there's no special ordering requirement for mdiobus_unregister(),
then driver code can be simplified by using a device-managed version
of mdiobus_register(). Prerequisite is that bus allocation has been
done device-managed too. Else mdiobus_free() may be called whilst
bus is still registered, resulting in a BUG_ON(). Therefore let
devm_mdiobus_register() return -EPERM if bus was allocated
non-managed.

First user of the new functionality is r8169 driver.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22 12:19:55 -07:00
Heiner Kallweit
0785dad480 r8169: use devm_mdiobus_register
Use new function devm_mdiobus_register() to simplify the driver.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22 12:19:55 -07:00
Heiner Kallweit
38f961e744 net: phy: add device-managed devm_mdiobus_register
If there's no special ordering requirement for mdiobus_unregister(),
then driver code can be simplified by using a device-managed version
of mdiobus_register(). Prerequisite is that bus allocation has been
done device-managed too. Else mdiobus_free() may be called whilst
bus is still registered, resulting in a BUG_ON(). Therefore let
devm_mdiobus_register() return -EPERM if bus was allocated
non-managed.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22 12:19:54 -07:00
Michael Walle
4406d36dfd net: phy: bcm54140: add hwmon support
The PHY supports monitoring its die temperature as well as two analog
voltages. Add support for it.

Signed-off-by: Michael Walle <michael@walle.cc>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22 12:14:18 -07:00
Michael Walle
6937602ed3 net: phy: add Broadcom BCM54140 support
The Broadcom BCM54140 is a Quad SGMII/QSGMII Copper/Fiber Gigabit
Ethernet transceiver.

This also adds support for tunables to set and get downshift and
energy detect auto power-down.

The PHY has four ports and each port has its own PHY address.
There are per-port registers as well as global registers.
Unfortunately, the global registers can only be accessed by reading
and writing from/to the PHY address of the first port. Further,
there is no way to find out what port you actually are by just
reading the per-port registers. We therefore, have to scan the
bus on the PHY probe to determine the port and thus what address
we need to access the global registers.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22 12:14:18 -07:00
Michael Walle
0a32f1ff2a net: phy: broadcom: add helper to write/read RDB registers
RDB (Register Data Base) registers are used on newer Broadcom PHYs. Add
helper to read, write and modify these registers.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22 12:14:18 -07:00
David S. Miller
b86a037385 Merge branch 'dt-bindings-net-mdio.yaml-fixes'
Florian Fainelli says:

====================
dt-bindings: net: mdio.yaml fixes

This patch series documents some common MDIO devices properties such as
resets (and delays) and broken-turn-around. The second patch also
rephrases some descriptions to be more general towards MDIO devices and
not specific towards Ethernet PHYs.

Changes in v3:

- corrected wording of 'broken-turn-around' in ethernet-phy.yaml and
  mdio.yaml, add Andrew's R-b tag to patch #3
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22 11:43:27 -07:00
Florian Fainelli
630c3ff8c3 dt-bindings: net: mdio: Make descriptions more general
A number of descriptions assume a PHY device, but since this binding
describes a MDIO bus which can have different kinds of MDIO devices
attached to it, rephrase some descriptions to be more general in that
regard.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22 11:43:19 -07:00
Florian Fainelli
b92d905f2c dt-bindings: net: mdio: Document common properties
Some of the properties pertaining to the broken turn around or resets
were only documented in ethernet-phy.yaml while they are applicable
across all MDIO devices and not Ethernet PHYs specifically which are a
superset.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22 11:43:05 -07:00
Florian Fainelli
f42ceca226 dt-bindings: net: Correct description of 'broken-turn-around'
The turn around bytes (2) are placed between the control phase of the
MDIO transaction and the data phase, correct the wording to be more
exact.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22 11:43:05 -07:00
David S. Miller
a3b6e8fd27 Merge branch 'Ocelot-MAC_ETYPE-tc-flower-key-improvements'
Vladimir Oltean says:

====================
Ocelot MAC_ETYPE tc-flower key improvements

As discussed in the comments surrounding this patch:
https://patchwork.ozlabs.org/project/netdev/patch/20200417190308.32598-1-olteanv@gmail.com/

the restrictions imposed on non-MAC_ETYPE rules were harsher than they
needed to be. IP, IPv6, ARP rules can still be added concurrently with
src_mac and dst_mac rules, as long as those MAC address rules do not ask
for an offending EtherType.

For that to actually be supported, we need to parse the EtherType from
the flower classification rule first.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22 11:40:52 -07:00
Vladimir Oltean
4faa2e0643 net: mscc: ocelot: lift protocol restriction for flow_match_eth_addrs keys
An attempt was made in commit fe3490e610 ("net: mscc: ocelot: Hardware
ofload for tc flower filter") to avoid clashes between MAC_ETYPE rules
and IP rules. Because the protocol blacklist should have included
ETH_P_ALL too, it created some confusion, but now the situation should
be dealt with a bit better by the patch immediately previous to this one
("net: mscc: ocelot: refine the ocelot_ace_is_problematic_mac_etype
function").

So now we can remove that check. MAC_ETYPE rules with a protocol of
ETH_P_IP, ETH_P_IPV6, ETH_P_ARP and ETH_P_ALL _are_ supported, with some
restrictions regarding per-port exclusivity which are enforced now.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22 11:40:51 -07:00
Vladimir Oltean
7dec902f4f net: mscc: ocelot: refine the ocelot_ace_is_problematic_mac_etype function
The commit mentioned below was a bit too harsh, and while it restricted
the invalid key combinations which are known to not work, such as:

tc filter add dev swp0 ingress proto ip \
      flower src_ip 192.0.2.1 action drop
tc filter add dev swp0 ingress proto all \
      flower src_mac 00:11:22:33:44:55 action drop

it also restricted some which still should work, such as:

tc filter add dev swp0 ingress proto ip \
      flower src_ip 192.0.2.1 action drop
tc filter add dev swp0 ingress proto 0x22f0 \
      flower src_mac 00:11:22:33:44:55 action drop

What actually does not match "sanely" is a MAC_ETYPE rule on frames
having an EtherType of ARP, IPv4, IPv6, in addition to SNAP and OAM
frames (which the ocelot tc-flower implementation does not parse yet, so
the function might need to be revisited again in the future).

So just make the function recognize the problematic MAC_ETYPE rules by
EtherType - thus the VCAP IS2 can be forced to match even on those
packets.

This patch makes it possible for IP rules to live on a port together
with MAC_ETYPE rules that are non-all, non-arp, non-ip and non-ipv6.

Fixes: d4d0cb741d7b ("net: mscc: ocelot: deal with problematic MAC_ETYPE VCAP IS2 rules")
Reported-by: Allan W. Nielsen <allan.nielsen@microchip.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22 11:40:51 -07:00
Vladimir Oltean
86b956de11 net: mscc: ocelot: support matching on EtherType
Currently, the filter's protocol is ignored except for a few special
cases (IPv4 and IPv6).

The EtherType can be matched inside VCAP IS2 by using a MAC_ETYPE key.
So there are 2 cases in which EtherType matches are supported:

  - As part of a larger MAC_ETYPE rule, such as:

    tc filter add dev swp0 ingress protocol ip \
            flower skip_sw src_mac 42:be:24:9b:76:20 action drop

  - Standalone (matching on protocol only):

    tc filter add dev swp0 ingress protocol arp \
            flower skip_sw action drop

As before, if the protocol is not specified, is it implicitly "all" and
the EtherType mask in the MAC_ETYPE half key is set to zero.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22 11:40:51 -07:00
David S. Miller
44dd5efc97 Merge branch 'Support-programmable-pins-for-Ocelot-PTP-driver'
Yangbo Lu says:

====================
Support programmable pins for Ocelot PTP driver

The Ocelot PTP clock driver had been embedded into ocelot.c driver.
It had supported basic gettime64/settime64/adjtime/adjfine functions
by now which were used by both Ocelot switch and Felix switch.

This patch-set is to move current ptp clock code out of ocelot.c driver
maintaining as a single ocelot_ptp.c driver, and to implement 4
programmable pins with only PTP_PF_PEROUT function for now.
The PTP_PF_EXTTS function will be supported in the future, and it should
be implemented separately for Felix and Ocelot, because of different
hardware interrupt implementation in them.

Changes for v2:
	- Put PTP driver under drivers/net/ethernet/mscc/.
	- Dropped MAINTAINERS patch. Kept original maintaining.
	- Initialized PTP separately in ocelot/felix platforms.
	- Supported PPS case in programmable pin.
	- Supported disabling pin function since deadlock is fixed by Richard.
	- Returned -EBUSY if not finding pin available.
Changes for v3:
	- Re-sent.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 15:38:34 -07:00
Yangbo Lu
5287be405c net: dsa: felix: enable PTP programmable pin
Enable PTP programmable pin.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 15:38:34 -07:00
Yangbo Lu
aabb2bb07c net: mscc: ocelot: enable PTP programmable pin
Enable PTP programmable pin.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 15:38:34 -07:00
Yangbo Lu
cc2d87bb83 net: mscc: ocelot: support 4 PTP programmable pins
Support 4 PTP programmable pins with only PTP_PF_PEROUT function
for now. The PTP_PF_EXTTS function will be supported in the
future, and it should be implemented separately for Felix and
Ocelot, because of different hardware interrupt implementation
in them.

Since the hardware is not able to support absolute start time,
the periodic clock request only allows start time 0 0. But nsec
could be accepted for PPS case for phase adjustment.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 15:38:33 -07:00
Yangbo Lu
94aca08244 net: mscc: ocelot: add wave programming registers definitions
Add wave programming registers definitions for Ocelot platforms.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 15:38:33 -07:00
Yangbo Lu
3007bc7321 net: mscc: ocelot: redefine PTP pins
There are 5 PTP_PINS register groups on Ocelot switch.
Except the one used for TOD operations, there are still
4 register groups for programmable pins. So redefine the
4 programmable pins.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 15:38:33 -07:00
Yangbo Lu
d2b09a8e7b net: mscc: ocelot: fix timestamp info if ptp clock does not work
The timestamp info should be only software timestamp capabilities
if ptp clock does not work.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 15:38:33 -07:00
Yangbo Lu
2b49d128b3 net: mscc: ocelot: move ocelot ptp clock code out of ocelot.c
The Ocelot PTP clock driver had been embedded into ocelot.c driver.
It had supported basic gettime64/settime64/adjtime/adjfine functions
by now which were used by both Ocelot switch and Felix switch.

This patch is to move current ptp clock code out of ocelot.c driver
maintaining as a single ocelot_ptp.c.
For futher new features implementation, the common code could be put
in ocelot_ptp.c and the switch specific code should be in specific
switch driver. The interrupt implementation in SoC is different
between Ocelot and Felix.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 15:38:33 -07:00
David S. Miller
59211053f0 Merge branch 'vermagic-non-global'
Leon Romanovsky says:

====================
Remove vermagic header from global include folder

Changelog:
v2:
 * Changed the implementation of patch #4 to be like Masahiro wants.
I personally don't like this implementation and changing it just to move forward
this this patchset.
v1:
https://lore.kernel.org/lkml/20200415133648.1306956-1-leon@kernel.org
 * Added tags
 * Updated patch #4 with test results
 * Changed scripts/mod/modpost.c to create inclusion of vermagic.h
   from kernel folder and not from general include/linux. This is
   needed to generate *.mod.c files, while building modules.
v0:
https://lore.kernel.org/lkml/20200414155732.1236944-1-leon@kernel.org

This is followup to the failure reported by Borislav [1] and suggested
fix later on [2].

The series removes all includes of linux/vermagic.h, updates hns and
nfp to use same kernel versioning scheme (exactly like we did for
other drivers in previous cycle) and removes vermagic.h from global
include folder.

[1] https://lore.kernel.org/lkml/20200411155623.GA22175@zn.tnic
[2] https://lore.kernel.org/lkml/20200413080452.GA3772@zn.tnic
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 13:27:38 -07:00
Leon Romanovsky
51161bfc66 kernel/module: Hide vermagic header file from general use
VERMAGIC* definitions are not supposed to be used by the drivers,
see this [1] bug report, so introduce special define to guard inclusion
of this header file and define it in kernel/modules.h and in internal
script that generates *.mod.c files.

In-tree module build:
➜  kernel git:(vermagic) ✗ make clean
➜  kernel git:(vermagic) ✗ make M=drivers/infiniband/hw/mlx5
➜  kernel git:(vermagic) ✗ modinfo drivers/infiniband/hw/mlx5/mlx5_ib.ko
filename:	/images/leonro/src/kernel/drivers/infiniband/hw/mlx5/mlx5_ib.ko
<...>
vermagic:       5.6.0+ SMP mod_unload modversions

Out-of-tree module build:
➜  mlx5 make -C /images/leonro/src/kernel clean M=/tmp/mlx5
➜  mlx5 make -C /images/leonro/src/kernel M=/tmp/mlx5
➜  mlx5 modinfo /tmp/mlx5/mlx5_ib.ko
filename:       /tmp/mlx5/mlx5_ib.ko
<...>
vermagic:       5.6.0+ SMP mod_unload modversions

[1] https://lore.kernel.org/lkml/20200411155623.GA22175@zn.tnic
Reported-by: Borislav Petkov <bp@suse.de>
Acked-by: Borislav Petkov <bp@suse.de>
Acked-by: Jessica Yu <jeyu@kernel.org>
Co-developed-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 13:27:37 -07:00
Leon Romanovsky
b4f3721981 net/nfp: Update driver to use global kernel version
Change nfp driver to use globally defined kernel version.

Reported-by: Borislav Petkov <bp@suse.de>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 13:27:37 -07:00
Leon Romanovsky
cad99e5068 net/hns: Remove custom driver version in favour of global one
Use globally defined kernel version instead of custom driver variant.

Reported-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 13:27:37 -07:00
Leon Romanovsky
1c79031f8a drivers: Remove inclusion of vermagic header
Get rid of linux/vermagic.h includes, so that MODULE_ARCH_VERMAGIC from
the arch header arch/x86/include/asm/module.h won't be redefined.

  In file included from ./include/linux/module.h:30,
                   from drivers/net/ethernet/3com/3c515.c:56:
  ./arch/x86/include/asm/module.h:73: warning: "MODULE_ARCH_VERMAGIC"
redefined
     73 | # define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY
        |
  In file included from drivers/net/ethernet/3com/3c515.c:25:
  ./include/linux/vermagic.h:28: note: this is the location of the
previous definition
     28 | #define MODULE_ARCH_VERMAGIC ""
        |

Fixes: 6bba2e89a8 ("net/3com: Delete driver and module versions from 3com drivers")
Co-developed-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Shannon Nelson <snelson@pensando.io> # ionic
Acked-by: Sebastian Reichel <sre@kernel.org> # power
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-21 13:27:37 -07:00
Colin Ian King
b6246f4d8d net: ipv4: remove redundant assignment to variable rc
The variable rc is being assigned with a value that is never read
and it is being updated later with a new value. The initialization is
redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-20 16:26:58 -07:00
David S. Miller
bd1266d3f2 Merge branch 'net-bcmgenet-Clean-up-after-ACPI-enablement'
Andy Shevchenko says:

====================
net: bcmgenet: Clean up after ACPI enablement

ACPI enablement series had missed some clean ups that would have been done
at the same time. Here are these bits.

In v2:
- return dev_dbg() calls to avoid spamming logs when probe is deferred (Florian)
- added Ack (Florian)
- combined two, earlier sent, series together
- added couple more patches
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-20 16:24:53 -07:00
Andy Shevchenko
7d3cca75c1 net: bcmgenet: Drop too many parentheses in bcmgenet_probe()
No need to have parentheses around plain pointer variable or
negation operator. Drop them for good.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-20 16:24:53 -07:00
Andy Shevchenko
d2af1420cb net: bcmgenet: Use get_unligned_beXX() and put_unaligned_beXX()
It's convenient to use get_unligned_beXX() and put_unaligned_beXX() helpers
to get or set MAC instead of open-coded variants.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-20 16:24:53 -07:00
Andy Shevchenko
c80d36ff63 net: bcmgenet: Use devm_clk_get_optional() to get the clocks
Conversion to devm_clk_get_optional() makes it explicit that clocks are
optional. This change allows to handle deferred probe in case clocks are
defined, but not yet probed. Due to above changes bail out in error case.

While here, check potential error when enable main clock.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-20 16:24:53 -07:00
Andy Shevchenko
9a965942a9 net: bcmgenet: Drop useless OF code
There is nothing which needs a set of OF headers, followed by redundant
OF node ID check. Drop them for good.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-20 16:24:53 -07:00
Andy Shevchenko
d4d9b47e4b net: bcmgenet: Drop ACPI_PTR() to avoid compiler warning
When compiled with CONFIG_ACPI=n, ACPI_PTR() will be no-op, and thus
genet_acpi_match table defined, but not used. Compiler is not happy about
such data. Drop ACPI_PTR() for good.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-20 16:24:53 -07:00
David S. Miller
80ad41f28a mlx5-updates-2020-04-20
This series includes misc updates and clean ups to mlx5 driver:
 
 1) improve some comments from Hu Haowen.
 2) Handles errors of netif_set_real_num_{tx,rx}_queues, from Maxim
 3) IPsec and FPGA related code cleanup to prepare for ASIC devices
    IPsec offloads, from Raed
 4) Allow partial mask for tunnel options, from Roi.
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Merge tag 'mlx5-updates-2020-04-20' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux

Saeed Mahameed says:

====================
mlx5-updates-2020-04-20

This series includes misc updates and clean ups to mlx5 driver:

1) improve some comments from Hu Haowen.
2) Handles errors of netif_set_real_num_{tx,rx}_queues, from Maxim
3) IPsec and FPGA related code cleanup to prepare for ASIC devices
   IPsec offloads, from Raed
4) Allow partial mask for tunnel options, from Roi.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-20 16:11:31 -07:00
Heiner Kallweit
794867ee67 r8169: change wmb to smb_wmb in rtl8169_start_xmit
A barrier is needed here to ensure that rtl_tx sees the descriptor
changes (DescOwn set) before the updated tp->cur_tx value. Else it may
wrongly assume that the transfer has been finished already. For this
purpose smp_wmb() is sufficient.

No separate barrier is needed for ordering the descriptor changes
with the MMIO doorbell write. The needed barrier is included in
the non-relaxed writel() used by rtl8169_doorbell().

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-20 16:03:48 -07:00
Hu Haowen
6533380dfd net/mlx5: improve some comments
Replaced "its" with "it's".

Signed-off-by: Hu Haowen <xianfengting221@163.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-04-20 14:20:21 -07:00
Parav Pandit
c89da067a2 net/mlx5: Read embedded cpu bit only once
Embedded CPU bit doesn't change with PCI resume/suspend.
Hence read it only once while probing the PCI device.

Signed-off-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Bodong Wang <bodong@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-04-20 14:20:21 -07:00
Maxim Mikityanskiy
fa3748775b net/mlx5e: Handle errors from netif_set_real_num_{tx,rx}_queues
netif_set_real_num_tx_queues and netif_set_real_num_rx_queues may fail.
Now that mlx5e supports handling errors in the preactivate hook, this
commit leverages that functionality to handle errors from those
functions and roll back all changes on failure.

Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-04-20 14:20:20 -07:00
Roi Dayan
d7a42ad062 net/mlx5e: Allow partial data mask for tunnel options
We use mapping to save and restore the tunnel options.
Save also the tunnel options mask.

Signed-off-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Paul Blakey <paulb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-04-20 14:20:20 -07:00
Tariq Toukan
82fe299641 net/mlx5e: Set of completion request bit should not clear other adjacent bits
In notify HW (ring doorbell) flow, we set the bit to request a completion
on the TX descriptor.
When doing so, we should not unset other bits in the same byte.
Currently, this does not fix a real issue, as we still don't have a flow
where both MLX5_WQE_CTRL_CQ_UPDATE and any adjacent bit are set together.

Fixes: 542578c679 ("net/mlx5e: Move helper functions to a new txrx datapath header")
Fixes: 864b2d7153 ("net/mlx5e: Generalize tx helper functions for different SQ types")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Reviewed-by: Aya Levin <ayal@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-04-20 14:20:20 -07:00
Raed Salem
7dfee4b1d7 net/mlx5: IPsec, Refactor SA handle creation and destruction
Currently the SA handle is created and managed as part of the common
code for different IPsec supporting HW, this handle is passed to HW
to be used on Rx to identify the SA handle that was used to
return the xfrm state to stack.

The above implementation pose a limitation on managing this handle.

Refactor by moving management of this field to the specific HW code.

Downstream patches will introduce the Connect-X support for IPsec that
will use this handle differently than current implementation.

Signed-off-by: Raed Salem <raeds@mellanox.com>
Reviewed-by: Boris Pismenny <borisp@mellanox.com>
Reviewed-by: Huy Nguyen <huyn@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-04-20 14:20:20 -07:00
Raed Salem
0aab3e1b04 net/mlx5e: IPSec, Expose IPsec HW stat only for supporting HW
The current HW counters are supported only by Innova, split the ipsec
stats group into two groups, one for HW and one for SW. And expose
the HW counters to ethtool only if Innova HW is used for IPsec offload.

Signed-off-by: Raed Salem <raeds@mellanox.com>
Reviewed-by: Huy Nguyen <huyn@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-04-20 14:20:19 -07:00
Raed Salem
1dbd51d0a7 net/mlx5: Refactor mlx5_accel_esp_create_hw_context parameter list
Currently the FPGA IPsec is the only hw implementation of the IPsec
acceleration api, and so the mlx5_accel_esp_create_hw_context was
wrongly made to suit this HW api, among other in its parameter list
and some of its parameter endianness.

This implementation might not be suitable for different HW.

Refactor by group and pass all function arguments of
mlx5_accel_esp_create_hw_context in common mlx5_accel_esp_xfrm_attrs
struct field of mlx5_accel_esp_xfrm struct and correct the endianness
according to the HW being called.

Signed-off-by: Raed Salem <raeds@mellanox.com>
Reviewed-by: Boris Pismenny <borisp@mellanox.com>
Reviewed-by: Huy Nguyen <huyn@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-04-20 14:20:19 -07:00
Raed Salem
9425c595bd net/mlx5e: en_accel, Add missing net/geneve.h include
The cited commit relies on include <net/geneve.h> being included
implicitly prior to include "en_accel/en_accel.h".
This mandates that all files that needs to include en_accel.h
to redantantly include net/geneve.h.

Include net/geneve.h explicitly at "en_accel/en_accel.h" to avoid
undesired constrain as above.

Fixes: e3cfc7e6b7 ("net/mlx5e: TX, Add geneve tunnel stateless offload support")
Signed-off-by: Raed Salem <raeds@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-04-20 14:20:19 -07:00
Raed Salem
8c8eea07c1 net/mlx5: Use the correct IPsec capability function for FPGA ops
Currently the IPsec acceleration capability function is also used
at IPsec fpga capable device code.

This could cause a future bug as the acceleration layer is agnostic
to the device implementing its API.

Fix by using the IPsec FPGA capability function instead of acceleration
layer capability function in case of FPGA IPsec only related operations.

Downstream patches will add support for Connect-X IPsec, this can avoid
a future bug.

Signed-off-by: Raed Salem <raeds@mellanox.com>
Reviewed-by: Boris Pismenny <borisp@mellanox.com>
Reviewed-by: Huy Nguyen <huyn@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-04-20 14:20:19 -07:00
Jason Yan
82ebc88909 qed: use true,false for bool variables
Fix the following coccicheck warning:

drivers/net/ethernet/qlogic/qed/qed_dev.c:4395:2-34: WARNING:
Assignment of 0/1 to bool variable
drivers/net/ethernet/qlogic/qed/qed_dev.c:1975:2-34: WARNING:
Assignment of 0/1 to bool variable

Signed-off-by: Jason Yan <yanaijie@huawei.com>
Acked-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-20 12:52:58 -07:00
David S. Miller
0fa1484e9c Merge branch 'hns3-next'
Huazhong Tan says:

====================
net: hns3: misc updates for -next

This patchset includes some misc updates for the HNS3 ethernet driver.

[patch 1&2] separates two bloated function.
[patch 3-5] removes some redundant code.
[patch 6-7] cleans up some coding style issues.
[patch 8-10] adds some debugging information.

Change log:
V1->V2:	removes an unnecessary initialization in [patch 1] which
	suggested by David Miller.
	modified some print format issue and commit log in [patch 8].
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-20 12:49:18 -07:00
Yufeng Mo
d8355240cf net: hns3: add trace event support for PF/VF mailbox
This patch adds trace event support for PF/VF mailbox.

Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-20 12:49:18 -07:00