27947 Commits

Author SHA1 Message Date
Yana Esina
8f89401186 net: aquantia: add infrastructure to readout chip temperature
Ability to read the chip temperature from memory
via hwmon interface

Signed-off-by: Yana Esina <yana.esina@aquantia.com>
Signed-off-by: Nikita Danilov <nikita.danilov@aquantia.com>
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-01 09:30:14 -04:00
Jan Kiszka
37e9c087c8 stmmac: pci: Fix typo in IOT2000 comment
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-01 09:15:52 -04:00
Heiner Kallweit
2b5bc3c8eb r8169: remove manual autoneg restart workaround
According to Neil who reported the issue leading to this
workaround, the workaround is no longer needed since
version 5.0. So let's remove it.

This was the bug report leading to the workaround:
https://bugzilla.kernel.org/show_bug.cgi?id=201081

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Tested-by: Neil MacLeod <neil@nmacleod.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-30 23:28:40 -04:00
Heiner Kallweit
4e7e462115 r8169: add rtl_reset_packet_filter
Fortunately in one place there's a comment explaining what toggling
this bit does. So let's create a helper for it.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-30 23:26:49 -04:00
Heiner Kallweit
e719b3eaef r8169: add helpers rtl_eri_set/clear_bits
Add helpers rtl_eri_set_bits and rtl_eri_clear_bits to improve
readability of the code.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-30 23:26:49 -04:00
Heiner Kallweit
724c6fd015 r8169: make ERIAR_EXGMAC the default in eri functions
In basically all eri function calls the type argument is ERIAR_EXGMAC.
Therefore make it the default.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-30 23:26:49 -04:00
Yevgeny Kliteynik
b169e64a24 net/mlx5: Geneve, Add flow table capabilities for Geneve decap with TLV options
Introduce specification for Geneve decap flow with encapsulation options
and allow creation of rules that are matching on Geneve TLV options.

Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-04-29 16:55:38 -07:00
Maor Gottlieb
80f09dfc23 net/mlx5: Eswitch, enable RoCE loopback traffic
When in switchdev mode, we would like to treat loopback RoCE
traffic (on eswitch manager) as RDMA and not as regular
Ethernet traffic
In order to enable it we add flow steering rule that forward RoCE
loopback traffic to the HW RoCE filter (by adding allow rule).
In addition we add RoCE address in GID index 0, which will be
set in the RoCE loopback packet.

Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Acked-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-04-29 16:55:32 -07:00
Maor Gottlieb
f6f7d6b5bd net/mlx5: Add new miss flow table action
Flow table supports three types of miss action:
1. Default miss action - go to default miss table according to table.
2. Go to specific table.
3. Switch domain - go to the root table of an alternative steering
   table domain.

New table miss action was added - switch_domain.
The next domain for RDMA_RX namespace is the NIC RX domain.

Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-04-29 16:55:05 -07:00
Maor Gottlieb
d83eb50e29 net/mlx5: Add support in RDMA RX steering
Add new flow steering namespace - MLX5_FLOW_NAMESPACE_RDMA_RX.
Flow steering rules in this namespace are used to filter
RDMA traffic.

Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-04-29 16:55:05 -07:00
Maor Gottlieb
ae288a4875 net/mlx5: Pass flow steering objects to fs_cmd
Pass the flow steering objects instead of their attributes
to fs_cmd in order to decrease number of arguments and in
addition it will be used to update object fields.
Pass the flow steering root namespace instead of the device
so will have context to the namespace in the fs_cmd layer.

Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-04-29 16:55:05 -07:00
Aya Levin
72c6f52439 net/mlx5: Enable general events on all interfaces
Open events of type 'GENERAL' to all types of interfaces. Prior to this
patch, 'GENERAL' events were captured only by Ethernet interfaces. Other
interface types (non-Ethernet) were excluded and couldn't receive
'GENERAL' events.

Fixes: 5d3c537f9070 ("net/mlx5: Handle event of power detection in the PCIE slot")
Signed-off-by: Aya Levin <ayal@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-04-29 16:55:05 -07:00
Vu Pham
c42260f195 net/mlx5: Separate and generalize dma device from pci device
The mlx5 Sub-Function (SF) sub device will be introduced in
subsequent patches. It will be created as mediated device and
belong to mdev bus. It is necessary to treat dma operations on
PF, VF and SF in uniform way, hence reduce the dependency on
pdev pci dev struct and work directly out of newly introduced
'struct device' from previous patch.

This patch does not change any functionality.

Signed-off-by: Vu Pham <vuhuong@mellanox.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-04-29 16:55:05 -07:00
Parav Pandit
27b942fbbd net/mlx5: Get rid of storing copy of device name
Currently mlx5 core stores copy of the PCI device name in a
mlx5_priv structure and uses pr_warn, pr_err helpers.

Get rid of the copy of this name; instead store the parent device
pointer that contains name as well as dma specific parameters.
This also allows to use kernel's well defined dev_warn, dev_err, dev_dbg
device specific print routines.

This is also a preparation patch to access non PCI parent device in
future.

Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-04-29 16:55:05 -07:00
Heiner Kallweit
d4a62ea411 stmmac: pci: Use pci_dev_id() helper
Use new helper pci_dev_id() to simplify the code.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2019-04-29 16:13:00 -05:00
Heiner Kallweit
a195016a59 r8169: use pci_dev_id() helper
Use new helper pci_dev_id() to simplify the code.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: David S. Miller <davem@davemloft.net>
2019-04-29 16:12:14 -05:00
Olof Johansson
1895ef4ef2 This modernizes the IXP4xx platform and adds initial Device Tree
Support. We migrate to MULTI_IRQ_HANDLER, bumps the IRQs to
 offset 16, converts to SPARSE_IRQ, then we add proper subsystem
 drivers in each subsystem for irqchip, GPIO and clocksource and
 switch over to using these new drivers.
 
 Next we modernize the NPE and QMGR drivers and push them down
 into drivers/soc.
 
 This has been tested on the IXP4xx NSLU2 and the Gateworks
 GW2358-4.
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Merge tag 'ixp4xx-for-armsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik into arm/soc

This modernizes the IXP4xx platform and adds initial Device Tree
Support. We migrate to MULTI_IRQ_HANDLER, bumps the IRQs to
offset 16, converts to SPARSE_IRQ, then we add proper subsystem
drivers in each subsystem for irqchip, GPIO and clocksource and
switch over to using these new drivers.

Next we modernize the NPE and QMGR drivers and push them down
into drivers/soc.

This has been tested on the IXP4xx NSLU2 and the Gateworks
GW2358-4.

* tag 'ixp4xx-for-armsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik: (31 commits)
  ARM: dts: Add queue manager and NPE to the IXP4xx DTSI
  soc: ixp4xx: qmgr: Add DT probe code
  soc: ixp4xx: qmgr: Add DT bindings for IXP4xx qmgr
  soc: ixp4xx: npe: Add DT probe code
  soc: ixp4xx: Add DT bindings for IXP4xx NPE
  soc: ixp4xx: qmgr: Pass resources
  soc: ixp4xx: Remove unused functions
  soc: ixp4xx: Uninline several functions
  soc: ixp4xx: npe: Pass addresses as resources
  ARM: ixp4xx: Turn the QMGR into a platform device
  ARM: ixp4xx: Turn the NPE into a platform device
  ARM: ixp4xx: Move IXP4xx QMGR and NPE headers
  ARM: ixp4xx: Move NPE and QMGR to drivers/soc
  ARM: dts: Add some initial IXP4xx device trees
  ARM: ixp4xx: Add device tree boot support
  ARM: ixp4xx: Add DT bindings
  gpio: ixp4xx: Add OF probing support
  gpio: ixp4xx: Add DT bindings
  clocksource/drivers/ixp4xx: Add OF initialization support
  clocksource/drivers/ixp4xx: Add DT bindings
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2019-04-28 23:43:07 -07:00
Arnd Bergmann
1b8c813695 ARM: ep93xx: move network platform data to separate header
The header file is the only thing preventing us from building the
driver in a cross-platform configuration, so move the structure
we are interested in to the global platform_data location
and enable compile testing.

Acked-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
2019-04-28 23:08:15 -07:00
David S. Miller
5f0d736e7f Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:

====================
pull-request: bpf-next 2019-04-28

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

The main changes are:

1) Introduce BPF socket local storage map so that BPF programs can store
   private data they associate with a socket (instead of e.g. separate hash
   table), from Martin.

2) Add support for bpftool to dump BTF types. This is done through a new
   `bpftool btf dump` sub-command, from Andrii.

3) Enable BPF-based flow dissector for skb-less eth_get_headlen() calls which
   was currently not supported since skb was used to lookup netns, from Stanislav.

4) Add an opt-in interface for tracepoints to expose a writable context
   for attached BPF programs, used here for NBD sockets, from Matt.

5) BPF xadd related arm64 JIT fixes and scalability improvements, from Daniel.

6) Change the skb->protocol for bpf_skb_adjust_room() helper in order to
   support tunnels such as sit. Add selftests as well, from Willem.

7) Various smaller misc fixes.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-28 08:42:41 -04:00
Vishal Kulkarni
b1a79360ee cxgb4: Delete all hash and TCAM filters before resource cleanup
During driver unload, hash/TCAM filter deletion doesn't wait for
completion.This patch deletes all the filters with completion before
clearing the resources.

Signed-off-by: Vishal Kulkarni <vishal@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 22:25:37 -04:00
Murilo Fossa Vicentini
e56e251566 ibmvnic: Add device identification to requested IRQs
The ibmvnic driver currently uses the same fixed name when using
request_irq, this makes it hard to parse when multiple VNIC devices are
available at the same time. This patch adds the unit_address as the device
identification along with an id for each queue.

The original idea was to use the interface name as an identifier, but it
is not feasible given these requests happen at adapter probe, and at this
point netdev is not yet registered so it doesn't have the proper name
assigned to it.

Signed-off-by: Murilo Fossa Vicentini <muvic@linux.ibm.com>
Reviewed-by: Mauro S. M. Rodrigues <maurosr@linux.vnet.ibm.com>
Reviewed-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 20:20:06 -04:00
David S. Miller
026cc9c3ee cpsw: Put back cpsw_ndo_poll_controller()
To fix the build.

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 20:08:25 -04:00
Grygorii Strashko
c24eef283a net: ethernet: ti: cpsw: move ethtool func in separate file
As a preparatory patch to add support for a switchdev based cpsw driver,
move common ethtool functions to separate cpsw-ethtool.c file so that they
can be used across both drivers. It will simplify CPSW driver code
maintenance also.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:11:49 -04:00
Grygorii Strashko
cfc08345ec net: ethernet: ti: cpsw: switch to use mac sl api
Switch CPSW driver to use the new MAC SL API.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:11:49 -04:00
Grygorii Strashko
a71a18f24d net: ethernet: ti: cpsw: introduce mac sl module api
The MAC SL submodule has a lot of common functions between many of TI SoCs
AM335x/AM437x/DRA7(AM57xx), Keystone 2 66AK2HK/E/L/G and K3 AM654, but
there are also differences especially in registers offsets and sets of
supported functions.

This patch introduces the MAC SL submodule API which is intended to provide
a common way to access the MAC SL submodule and hide HW integrations
details.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:11:49 -04:00
Grygorii Strashko
e6a8462491 net: ethernet: ti: cpsw: move common hw init code in separate func
move common hw init code in separate function as preparation for adding new
switchdev driver.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:11:49 -04:00
Grygorii Strashko
5dea398514 net: ethernet: ti: davinci_cpdma: use dma_addr_t for desc_mem_phys and desc_hw_addr
Use dma_addr_t for desc_mem_phys and desc_hw_addr to avoid types
conversions.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:11:49 -04:00
Grygorii Strashko
814b4a67e5 net: ethernet: ti: cpsw: move cpsw definitions in priv header
As a preparatory patch to add a switchdev based cpsw driver move the common
header definitions to cpsw_priv.h. The plan is to develop a new driver on
switchdev driver model and obsolete the current cpsw driver after all
required functions are added to the new driver. This patch allows the same
header file to be re-used on both drivers during the transition period.

Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:11:49 -04:00
Grygorii Strashko
83a8471ba2 net: ethernet: ti: cpsw: refactor probe to group common hw initialization
Rework probe to group common hw initialization:
- group resources request at the beginning of the probe
- move net device initialization and registration at the end of the probe
- drop cpsw_slave_init
as preparation of refactoring of common hw initialization code to
separate function.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:11:49 -04:00
Grygorii Strashko
03f66f0675 net: ethernet: ti: davinci_mdio: use devm_ioremap()
The Davinci MDIO in most of the case implemented as module inside of TI
CPSW subsystem and fully depends on CPSW to be enabled, but historically
it's implemented as separate Platform device/driver and defined in DT files
in two ways:
- as standalone node
- as child node of CPSW subsystem.

In later case it's required to split CPSW subsystem "reg" property to
exclude MDIO I/O range which is not useful.

Hence, replace devm_ioremap_resource() with devm_ioremap() to allow define
full I/O range in parent CPSW subsystem without spliting.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:11:49 -04:00
Grygorii Strashko
7cb528c553 net: ethernet: ti: ale: do not auto delete mcast super entries
Do not delete multicast supervisory packet's (SUPER) entries while flushing
multicast addresses from ALE table cpsw_ale_flush_multicast(). Those
entries have to be added/removed only explicitly.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:11:49 -04:00
Grygorii Strashko
06095f34f8 net: ethernet: ti: cpsw: fix allmulti cfg in dual_mac mode
Now CPSW ALE will set/clean Host port bit in Unregistered Multicast Flood
Mask (UNREG_MCAST_FLOOD_MASK) for every VLAN without checking if this port
belongs to VLAN or not when ALLMULTI mode flag is set for nedev. This is
working in non dual_mac mode, but in dual_mac - it causes
enabling/disabling ALLMULTI flag for both ports.

Hence fix it by adding additional parameter to cpsw_ale_set_allmulti() to
specify ALE port number for which ALLMULTI has to be enabled and check if
port belongs to VLAN before modifying UNREG_MCAST_FLOOD_MASK.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:11:49 -04:00
Grygorii Strashko
91c88659a7 net: ethernet: ti: ale: use define for host port in cpsw_ale_set_allmulti()
Use ALE_PORT_HOST define for host port in cpsw_ale_set_allmulti() instead
of constants.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:11:49 -04:00
Grygorii Strashko
af9f4e6a33 net: ethernet: ti: ale: fix mcast super setting
Use correct define ALE_SUPER for ALE Multicast Address Table Entry
Supervisory Packet (SUPER) bit setting instead of ALE_BLOCKED. No issues
were observed till now as it have never been set, but it's going to be used
by new CPSW switch driver.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:11:48 -04:00
Grygorii Strashko
10ae805477 net: ethernet: ti: cpsw: drop cpsw_tx_packet_submit()
Drop unnecessary wrapper function cpsw_tx_packet_submit() which is used
only in one place.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:11:48 -04:00
Grygorii Strashko
d183a9428d net: ethernet: ti: cpsw: use devm_alloc_etherdev_mqs()
Use devm_alloc_etherdev_mqs() and simplify code.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:11:48 -04:00
Grygorii Strashko
56bf8a5df3 net: ethernet: ti: cpsw: drop pinctrl_pm_select_default_state call
Drop pinctrl_pm_select_default_state call from probe as default
pinctrl state is set by DD core.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:11:48 -04:00
Grygorii Strashko
c8fb566875 net: ethernet: ti: cpsw: use local var dev in probe
Use local variable struct device *dev in probe to simplify code.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:11:48 -04:00
Grygorii Strashko
9763a891a5 net: ethernet: ti: cpsw: update cpsw_split_res() to accept cpsw_common
Update cpsw_split_res() to accept struct cpsw_common instead of
struct net_device to simplify code.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:11:48 -04:00
Grygorii Strashko
16f5416482 net: ethernet: ti: cpsw: drop CONFIG_TI_CPSW_ALE config option
All TI drivers CPSW/NETCP can't work without ALE, hence simplify
build of those drivers by always linking cpsw_ale and drop
CONFIG_TI_CPSW_ALE config option.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:11:48 -04:00
Grygorii Strashko
99f6297182 net: ethernet: ti: cpsw: drop TI_DAVINCI_CPDMA config option
Both drivers CPSW and EMAC can't work without CPDMA, hence simplify build
of those drivers by always linking davinci_cpdma and drop TI_DAVINCI_CPDMA
config option.
Note. the davinci_emac driver module was changed to "ti_davinci_emac" to
make build work.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:11:48 -04:00
Grygorii Strashko
68cf027f3d net: ethernet: ti: convert to SPDX license identifiers
Replace textual license with SPDX-License-Identifier.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:11:48 -04:00
Michael Chan
0b397b17a4 bnxt_en: Fix uninitialized variable usage in bnxt_rx_pkt().
In bnxt_rx_pkt(), if the driver encounters BD errors, it will recycle
the buffers and jump to the end where the uninitailized variable "len"
is referenced.  Fix it by adding a new jump label that will skip
the length update.  This is the most correct fix since the length
may not be valid when we get this type of error.

Fixes: 6a8788f25625 ("bnxt_en: add support for software dynamic interrupt moderation")
Reported-by: Nathan Chancellor <natechancellor@gmail.com>
Cc: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Tested-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:00:19 -04:00
Michael Chan
3f93cd3f09 bnxt_en: Fix statistics context reservation logic.
In an earlier commit that fixes the number of stats contexts to
reserve for the RDMA driver, we added a function parameter to pass in
the number of stats contexts to all the relevant functions.  The passed
in parameter should have been used to set the enables field of the
firmware message.

Fixes: 780baad44f0f ("bnxt_en: Reserve 1 stat_ctx for RDMA driver.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:00:19 -04:00
Michael Chan
ad361adf0d bnxt_en: Pass correct extended TX port statistics size to firmware.
If driver determines that extended TX port statistics are not supported
or allocation of the data structure fails, make sure to pass 0 TX stats
size to firmware to disable it.  The firmware returned TX stats size should
also be set to 0 for consistency.  This will prevent
bnxt_get_ethtool_stats() from accessing the NULL TX stats pointer in
case there is mismatch between firmware and driver.

Fixes: 36e53349b60b ("bnxt_en: Add additional extended port statistics.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:00:19 -04:00
Michael Chan
1f83391bd6 bnxt_en: Fix possible crash in bnxt_hwrm_ring_free() under error conditions.
If we encounter errors during open and proceed to clean up,
bnxt_hwrm_ring_free() may crash if the rings we try to free have never
been allocated.  bnxt_cp_ring_for_rx() or bnxt_cp_ring_for_tx()
may reference pointers that have not been allocated.

Fix it by checking for valid fw_ring_id first before calling
bnxt_cp_ring_for_rx() or bnxt_cp_ring_for_tx().

Fixes: 2c61d2117ecb ("bnxt_en: Add helper functions to get firmware CP ring ID.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:00:18 -04:00
Vasundhara Volam
f9099d6114 bnxt_en: Free short FW command HWRM memory in error path in bnxt_init_one()
In the bnxt_init_one() error path, short FW command request memory
is not freed. This patch fixes it.

Fixes: e605db801bde ("bnxt_en: Support for Short Firmware Message")
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:00:18 -04:00
Michael Chan
b4e30e8e7e bnxt_en: Improve multicast address setup logic.
The driver builds a list of multicast addresses and sends it to the
firmware when the driver's ndo_set_rx_mode() is called.  In rare
cases, the firmware can fail this call if internal resources to
add multicast addresses are exhausted.  In that case, we should
try the call again by setting the ALL_MCAST flag which is more
guaranteed to succeed.

Fixes: c0c050c58d84 ("bnxt_en: New Broadcom ethernet driver.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:00:18 -04:00
Weihang Li
96490a1c09 net: hns3: remove reset after command send failed
It's meaningless to trigger reset when failed to send command to IMP,
because the failure is usually caused by no authority, illegal command
and so on. When that happened, we just need to return the status code
for further debugging.

Signed-off-by: Weihang Li <liweihang@hisilicon.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-26 12:13:29 -04:00
Huazhong Tan
7b8f622e53 net: hns3: prevent double free in hns3_put_ring_config()
This patch adds a check for the hns3_put_ring_config() to prevent
double free, and for more readable, move the NULL assignment of
priv->ring_data into the hns3_put_ring_config().

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-26 12:13:28 -04:00