1046845 Commits

Author SHA1 Message Date
Ariel Levkovich
100ad4e2d7 net/mlx5e: Offload internal port as encap route device
When pefroming encap action, a route lookup is performed
to find the routing device the packet should be forwarded
to after the encapsulation. This is the device that has the
local tunnel ip address.

This change adds support to offload an encap rule where the
route device ends up being an ovs internal port.
In such case, the driver will add a HW rule that will encapsulate
the packet with the tunnel header and will overwrite the vport
metadata in reg_c0 to the internal port metadata value.
Finally, the packet will be forwarded to the root table to be
processed again with the indication that it came from an internal
port.

Signed-off-by: Ariel Levkovich <lariel@nvidia.com>
Reviewed-by: Vlad Buslov <vladbu@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-29 13:53:30 -07:00
Ariel Levkovich
27484f7170 net/mlx5e: Offload tc rules that redirect to ovs internal port
Allow offloading rules that redirect to ovs internal port
ingress and egress.

To support redirect to ingress device, offloading of REDIRECT_INGRESS
action is added.

When a tc rule redirects to ovs internal port, the hw rule will
overwrite the input vport value in reg_c0 with a new vport metadata
value that is mapped for this internal port using the internal
port mapping api that is introduce in previous patches.
After that the hw rule will redirect the packet to the root table
to continue processing with the new vport metadata value.

The new vport metadata value indicates that this packet is now
arriving through an internal port and therefore should be processed
using rules that apply on the same internal port as the filter device.
Therefore, following rules that apply on this internal port will have
to match on the same vport metadata value as part of their matching
keys to make sure the packet belongs to the internal port.

Signed-off-by: Ariel Levkovich <lariel@nvidia.com>
Reviewed-by: Vlad Buslov <vladbu@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-29 13:53:30 -07:00
Ariel Levkovich
dbac71f229 net/mlx5e: Accept action skbedit in the tc actions list
Setting the skb packet type field to host is usually
done when performing forwarding to ingress device.

This is required since the receive handling that is used
by the redirect to ingress action checks whether the packet
doesn't belong to this host and drops the packet in such case.

In order to be able to offload action redirect ingress, tc offload
code needs to accept the skbedit ptype action as well.

There's no special handling in HW for such action since it will
be followed by a redirect action and therefore, this code
only allows us to accept such action in the actions list but
not performing anything specific in HW for it.

Signed-off-by: Ariel Levkovich <lariel@nvidia.com>
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Reviewed-by: Vlad Buslov <vladbu@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-29 13:53:29 -07:00
Ariel Levkovich
4f4edcc2b8 net/mlx5: E-Switch, Add ovs internal port mapping to metadata support
Adding infrastructure to map ovs internal port device to vport
match metadata to support offload of rules with internal port as
the filter device or as the destination device.

The infrastructure allows adding and removing internal port device
to an eswitch database and getting a unique vport metadata value to
be placed and match on in reg_c0 when offloading rules that are coming
from or going to an internal port.

The new int port metadata can be written to the source port register
in HW to indicate that current source port of the packet is the
internal port and not one of the actual HW vports (uplink or VF).
Using this method, it is possible to offload TC rules with an OVS
internal port as their destination port (overwriting the src vport
register) or as the filter port (matching on the value of the src
vport register and making sure it matches to the internal port's
value).

There is also a need to handle a miss case where the packet's
src port value was changed in HW to an internal port but a following
rule which matches on this new src port value wasn't found in HW.

In such case, the packet will be forwarded to the driver with
metadata which allows driver to restore the info of the internal
port's netdevice. Once this info is restored, the uplink driver
can forward the packet to the relevant netdevice in SW.

Signed-off-by: Ariel Levkovich <lariel@nvidia.com>
Reviewed-by: Vlad Buslov <vladbu@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-29 13:53:29 -07:00
Ariel Levkovich
189ce08ebf net/mlx5e: Use generic name for the forwarding dev pointer
Rename tun_dev to fwd_dev within mlx5e_tc_update_priv struct
since future implementation may introduce other device types
which the handler is forwarding to.

Signed-off-by: Ariel Levkovich <lariel@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-29 13:53:29 -07:00
Ariel Levkovich
28e7606fa8 net/mlx5e: Refactor rx handler of represetor device
Move the ownership of skb forwarding to network stack to the
tc update_skb handler as different cases will require different
handling of the skb.

While the tc handler will take care of the various cases and
properly handle the handover of the skb to the network stack
and freeing the skb, the main rx handler will be kept clean
from branches and usage of flags.

Signed-off-by: Ariel Levkovich <lariel@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-29 13:53:29 -07:00
Muhammad Sammar
941f19798a net/mlx5: DR, Add check for unsupported fields in match param
When a matcher is being built, we "consume" (clear) mask fields one by one,
and to verify that we do support all the required fields we check if the
whole mask was consumed, else the matching request includes unsupported
fields.

Signed-off-by: Muhammad Sammar <muhammads@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
2021-10-29 13:53:28 -07:00
Paul Blakey
504e157248 net/mlx5: Allow skipping counter refresh on creation
CT creates a counter for each CT rule, and for each such counter,
fs_counters tries to queue mlx5_fc_stats_work() work again via
mod_delayed_work(0) call to refresh all counters. This call has a
large performance impact when reaching high insertion rate and
accounts for ~8% of the insertion time when using software steering.

Allow skipping the refresh of all counters during counter creation.
Change CT to use this refresh skipping for it's counters.

Signed-off-by: Paul Blakey <paulb@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-29 13:53:28 -07:00
Raed Salem
428ffea071 net/mlx5e: IPsec: Refactor checksum code in tx data path
Part of code that is related solely to IPsec is always compiled in the
driver code regardless if the IPsec functionality is enabled or disabled
in the driver code, this will add unnecessary branch in case IPsec is
disabled at Tx data path.

Move IPsec related code to IPsec related file such that in case of IPsec
is disabled and because of unlikely macro the compiler should be able to
optimize and omit the checksum IPsec code all together from Tx data path

Signed-off-by: Raed Salem <raeds@nvidia.com>
Reviewed-by: Emeel Hakim <ehakim@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-29 13:53:28 -07:00
Paul Blakey
ae2ee3be99 net/mlx5: CT: Remove warning of ignore_flow_level support for VFs
ignore_flow_level isn't supported for VFs, and so it causes
post_act and ct to warn about it.

Instead of disabling CT for VFs, and a driver update will be need
to enable CT again once firmware support this, remove this warning
specifically for VFs. This way, it could be automatically enabled on
future firmwares where VFs support ignore_flow_level capability.

Signed-off-by: Paul Blakey <paulb@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-29 13:53:27 -07:00
Nathan Chancellor
1aec85974a net/mlx5: Add esw assignment back in mlx5e_tc_sample_unoffload()
Clang warns:

drivers/net/ethernet/mellanox/mlx5/core/en/tc/sample.c:635:34: error: variable 'esw' is uninitialized when used here [-Werror,-Wuninitialized]
        mlx5_eswitch_del_offloaded_rule(esw, sample_flow->pre_rule, sample_flow->pre_attr);
                                        ^~~
drivers/net/ethernet/mellanox/mlx5/core/en/tc/sample.c:626:26: note: initialize the variable 'esw' to silence this warning
        struct mlx5_eswitch *esw;
                                ^
                                 = NULL
1 error generated.

It appears that the assignment should have been shuffled instead of
removed outright like in mlx5e_tc_sample_offload(). Add it back so there
is no use of esw uninitialized.

Fixes: a64c5edbd20e ("net/mlx5: Remove unnecessary checks for slow path flag")
Link: https://github.com/ClangBuiltLinux/linux/issues/1494
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-10-29 13:53:27 -07:00
Jakub Kicinski
28131d896d wireless-drivers-next patches for v5.16
Fourth set of patches for v5.16. Mostly fixes this time, wcn36xx and
 iwlwifi have some new features but nothing really out of ordinary. We
 have one conflict with kspp tree.
 
 Conflicts:
 
 kspp tree has a conflict in drivers/net/wireless/intel/iwlwifi/fw/api/tx.h:
 
 https://lkml.kernel.org/r/20211028192934.01520d7e@canb.auug.org.au
 
 Major changes:
 
 ath11k
 
 * fix QCA6390 A-MSDU handling (CVE-2020-24588)
 
 wcn36xx
 
 * enable hardware scan offload for 5Ghz band
 
 * add missing 5GHz channels 136 and 144
 
 iwlwifi
 
 * support a new ACPI table revision
 
 * improvements in the device selection code
 
 * new hardware support
 
 * support for WiFi 6E enablement via BIOS
 
 * support firmware API version 67
 
 * support for 160MHz in ranging measurements
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Merge tag 'wireless-drivers-next-2021-10-29' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers-next patches for v5.16

Fourth set of patches for v5.16. Mostly fixes this time, wcn36xx and
iwlwifi have some new features but nothing really out of ordinary.
We have one conflict with kspp tree.

Major changes:

ath11k
 * fix QCA6390 A-MSDU handling (CVE-2020-24588)

wcn36xx
 * enable hardware scan offload for 5Ghz band
 * add missing 5GHz channels 136 and 144

iwlwifi
 * support a new ACPI table revision
 * improvements in the device selection code
 * new hardware support
 * support for WiFi 6E enablement via BIOS
 * support firmware API version 67
 * support for 160MHz in ranging measurements

====================

Link: https://lore.kernel.org/r/20211029134707.DE2B0C4360D@smtp.codeaurora.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-29 08:58:40 -07:00
Arnd Bergmann
7444d706be ifb: fix building without CONFIG_NET_CLS_ACT
The driver no longer depends on this option, but it fails to
build if it's disabled because the skb->tc_skip_classify is
hidden behind an #ifdef:

drivers/net/ifb.c:81:8: error: no member named 'tc_skip_classify' in 'struct sk_buff'
                skb->tc_skip_classify = 1;

Use the same #ifdef around the assignment.

Fixes: 046178e726c2 ("ifb: Depend on netfilter alternatively to tc")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 14:01:11 +01:00
Volodymyr Mytnyk
bb5dbf2cc6 net: marvell: prestera: add firmware v4.0 support
Add firmware (FW) version 4.0 support for Marvell Prestera
driver.

Major changes have been made to new v4.0 FW ABI to add support
of new features, introduce the stability of the FW ABI and ensure
better forward compatibility for the future driver vesrions.

Current v4.0 FW feature set support does not expect any changes
to ABI, as it was defined and tested through long period of time.
The ABI may be extended in case of new features, but it will not
break the backward compatibility.

ABI major changes done in v4.0:
- L1 ABI, where MAC and PHY API configuration are split.
- ACL has been split to low-level TCAM and Counters ABI
  to provide more HW ACL capabilities for future driver
  versions.

To support backward support, the addition compatibility layer is
required in the driver which will have two different codebase under
"if FW-VER elif FW-VER else" conditions that will be removed
in the future anyway, So, the idea was to break backward support
and focus on more stable FW instead of supporting old version
with very minimal and limited set of features/capabilities.

Improve FW msg validation:
 * Use __le64, __le32, __le16 types in msg to/from FW to
   catch endian mismatch by sparse.
 * Use BUILD_BUG_ON for structures sent/recv to/from FW.

Co-developed-by: Vadym Kochan <vkochan@marvell.com>
Signed-off-by: Vadym Kochan <vkochan@marvell.com>
Signed-off-by: Yevhen Orlov <yevhen.orlov@plvision.eu>
Signed-off-by: Taras Chornyi <tchornyi@marvell.com>
Signed-off-by: Volodymyr Mytnyk <vmytnyk@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 13:55:29 +01:00
Jakub Kicinski
c52ef04d59 devlink: make all symbols GPL-only
devlink_alloc() and devlink_register() are both GPL.
A non-GPL module won't get far, so for consistency
we can make all symbols GPL without risking any real
life breakage.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 13:46:26 +01:00
Jean Sacren
5bd663212f net: bareudp: fix duplicate checks of data[] expressions
Both !data[IFLA_BAREUDP_PORT] and !data[IFLA_BAREUDP_ETHERTYPE] are
checked.  We should remove the checks of data[IFLA_BAREUDP_PORT] and
data[IFLA_BAREUDP_ETHERTYPE] that follow since they are always true.

Put both statements together in group and balance the space on both
sides of '=' sign.

Signed-off-by: Jean Sacren <sakiwit@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 13:41:28 +01:00
Jean Sacren
c4cb8d0ac7 net: netxen: fix code indentation
Remove additional character in the source to properly indent if branch.

Signed-off-by: Jean Sacren <sakiwit@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 13:34:42 +01:00
Yuiko Oshino
a1f1627540 net: ethernet: microchip: lan743x: Increase rx ring size to improve rx performance
Increase the rx ring size (LAN743X_RX_RING_SIZE) to improve rx performance on some platforms.
Tested on x86 PC with EVB-LAN7430.
The iperf3.7 TCPIP improved from 881 Mbps to 922 Mbps, and UDP improved from 817 Mbps to 936 Mbps.

Signed-off-by: Yuiko Oshino <yuiko.oshino@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 13:30:20 +01:00
David S. Miller
6689d716fd Merge branch 'MCTP-flow-support'
Jeremy Kerr says:

====================
MCTP flow support

For certain MCTP transport bindings, the binding driver will need to be
aware of request/response pairing. For example, the i2c binding may need
to set multiplexer configuration when expecting a response from a device
behind a mux.

This series implements a mechanism for informing the driver about these
flows, so it can implement transport-specific behaviour when a flow is
in progress (ie, a response is expected, and/or we time-out on that
expectation). We use a skb extension to notify the driver about the
presence of a flow, and a new dev->ops callback to notify about a flow's
destruction.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 13:23:51 +01:00
Jeremy Kerr
67737c4572 mctp: Pass flow data & flow release events to drivers
Now that we have an extension for MCTP data in skbs, populate the flow
when a key has been created for the packet, and add a device driver
operation to inform of flow destruction.

Includes a fix for a warning with test builds:
Reported-by: kernel test robot <lkp@intel.com>

Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 13:23:51 +01:00
Jeremy Kerr
78476d315e mctp: Add flow extension to skb
This change adds a new skb extension for MCTP, to represent a
request/response flow.

The intention is to use this in a later change to allow i2c controllers
to correctly configure a multiplexer over a flow.

Since we have a cleanup function in the core path (if an extension is
present), we'll need to make CONFIG_MCTP a bool, rather than a tristate.

Includes a fix for a build warning with clang:
Reported-by: kernel test robot <lkp@intel.com>

Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 13:23:51 +01:00
Jeremy Kerr
212c10c3c6 mctp: Return new key from mctp_alloc_local_tag
In a future change, we will want the key available for future use after
allocating a new tag. This change returns the key from
mctp_alloc_local_tag, rather than just key->tag.

Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 13:23:50 +01:00
David S. Miller
e311eb9192 Merge branch 'eth_hw_addr_set'
Jakub Kicinski says:

====================
arch, misc: use eth_hw_addr_set()

Convert remaining misc drivers to use helpers to write
to netdev->dev_addr.

This is the last set :) :)
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 13:17:22 +01:00
Jakub Kicinski
7e1dd824e5 net: xtensa: use eth_hw_addr_set()
Commit 406f42fa0d3c ("net-next: When a bond have a massive amount
of VLANs...") introduced a rbtree for faster Ethernet address look
up. To maintain netdev->dev_addr in this tree we need to make all
the writes to it go through appropriate helpers.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 13:17:21 +01:00
Jakub Kicinski
ac61734134 net: um: use eth_hw_addr_set()
Commit 406f42fa0d3c ("net-next: When a bond have a massive amount
of VLANs...") introduced a rbtree for faster Ethernet address look
up. To maintain netdev->dev_addr in this tree we need to make all
the writes to it go through appropriate helpers.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 13:17:21 +01:00
Jakub Kicinski
40d5cb4005 net: sgi-xp: use eth_hw_addr_set()
Commit 406f42fa0d3c ("net-next: When a bond have a massive amount
of VLANs...") introduced a rbtree for faster Ethernet address look
up. To maintain netdev->dev_addr in this tree we need to make all
the writes to it go through appropriate helpers.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 13:17:21 +01:00
David S. Miller
704bc986ff Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue
Tony Nguyen says:

====================
100GbE Intel Wired LAN Driver Updates 2021-10-28

This series contains updates to ice driver only.

Michal adds support for eswitch drop and redirect filters from and to
tunnel devices. From meaning from uplink to VF and to means from VF to
uplink. This is accomplished by adding support for indirect TC tunnel
notifications and adding appropriate training packets and match fields
for UDP tunnel headers. He also adds returning virtchannel responses for
blocked operations as returning a response is still needed.

Marcin sets netdev min and max MTU values on port representors to allow
for MTU changes over default values.

Brett adds detecting and reporting of PHY firmware load issues for devices
which support this.

Nathan Chancellor fixes a clang warning for implicit fallthrough.

Wang Hai fixes a return value for failed allocation.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:28:11 +01:00
Aleksander Jan Bajkowski
0b3f86397f dt-bindings: net: lantiq-xrx200-net: Remove the burst length properties
All SoCs with this IP core support 8 burst length. Hauke
suggested to hardcode this value and simplify the driver.

Link: https://lkml.org/lkml/2021/9/14/1533
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:15:35 +01:00
Aleksander Jan Bajkowski
7e553c44f0 net: lantiq_xrx200: Hardcode the burst length value
All SoCs with this IP core support 8 burst length. Hauke
suggested to hardcode this value and simplify the driver.

Link: https://lkml.org/lkml/2021/9/14/1533
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:15:35 +01:00
David S. Miller
f8f20f2986 Merge branch 'bnxt_en-devlink'
Michael Chan says:

====================
bnxt_en: devlink enhancements

This patch series implements some devlink enhancements for bnxt_en.
They include:

1. devlink reload to reinitialize driver or to activate new firmware.
2. Support enable_remote_dev_reset to enable/disable other functions
resetting the device.
3. Consolidate and improve the health reporters.
4. Support live firmware patch.
5. Provide devlink dev info "fw" version on older firmware.

v2:
In patch 3, don't use devlink_reload_disable() and devlink_reload_enable()
which are no longer available in the latest kernel.  Instead, check that
the netdev is not in unregistered state before proceeding with reload.

In patch 14, use min_t() instead of min() to fix the mismatched type
warning.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:13:06 +01:00
Michael Chan
eff441f3b5 bnxt_en: Update bnxt.rst devlink documentation
Add 'enable_remote_dev_reset' documentation to bnxt.rst.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:13:05 +01:00
Vikas Gupta
63185eb3aa bnxt_en: Provide stored devlink "fw" version on older firmware
On older firmware that doesn't support the HWRM_NVM_GET_DEV_INFO
command that returns detailed stored firmware versions, fallback
to use the same firmware package version that is reported to ethtool.
Refactor bnxt_get_pkgver() in bnxt_ethtool.c so that devlink can call
and get the package version.

Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com>
Reviewed-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:13:05 +01:00
Edwin Peer
3c4153394e bnxt_en: implement firmware live patching
Live patches are activated by using the 'limit no_reset' option when
performing a devlink dev reload fw_activate operation. These packages
must first be installed on the device in the usual way. For example,
via devlink dev flash or ethtool -f.

The devlink device info has also been enhanced to render stored and
running live patch versions.

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:13:05 +01:00
Michael Chan
21e70778d0 bnxt_en: Update firmware interface to 1.10.2.63
The main changes are firmware live patch support and 2 additional FEC
standard counters.

Add the matching FEC counters to ethtool counter array.  Firmware older
than 220 does not return the proper size of the extended RX counters so
we need to cap it at the smaller legacy size.  Otherwise the new FEC
counters may show up with garbage values.

Reviewed-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:13:05 +01:00
Edwin Peer
188876db04 bnxt_en: implement dump callback for fw health reporter
Populate the dump with firmware 'live' coredump data. This includes
the information stored in NVRAM by the firmware exception handler
prior to recovery. Thus, the live dump includes the desired crash
context.

Firmware does not support HWRM calls after RESET_NOTIFY, so there is
no supported way to capture a coredump during the auto dump phase.
Detect this and abort when called from devlink_health_report().

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:13:05 +01:00
Edwin Peer
4e59f06007 bnxt_en: extract coredump command line from current task
Tools other than 'ethtool -w' may be used to produce a coredump. For
devlink health, such dumps could even be driver initiated in response
to a health event. In these cases, the kernel thread information will
be placed in the coredump record instead.

v2: use min_t() instead of min() to fix the mismatched type warning

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:13:05 +01:00
Vasundhara Volam
80194db9f5 bnxt_en: Retrieve coredump and crashdump size via FW command
Recent firmware provides coredump and crashdump size info via
DBG_QCFG command. Read the dump sizes from firmware, instead of
computing in the driver. This patch reduces the time taken
to collect the dump via ethtool.

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>
2021-10-29 12:13:05 +01:00
Vasundhara Volam
80f62ba9d5 bnxt_en: Add compression flags information in coredump segment header
Firmware sets compression flags for each segment, add this information
while filling segment header.

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>
2021-10-29 12:13:05 +01:00
Edwin Peer
b032228e58 bnxt_en: move coredump functions into dedicated file
Change bnxt_get_coredump() and bnxt_get_coredump_length() to non-static
functions.

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:13:05 +01:00
Edwin Peer
9a575c8c25 bnxt_en: Refactor coredump functions
The coredump functionality will be used by devlink health. Refactor
these functions that get coredump and coredump length. There is no
functional change, but the following checkpatch warnings were
addressed:

  - strscpy is preferred over strlcpy.
  - sscanf results should be checked, with an additional warning.

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:13:05 +01:00
Edwin Peer
8cc95ceb70 bnxt_en: improve fw diagnose devlink health messages
Add firmware event counters as well as health state severity. In
the unhealthy state, recommend a remedy and inform the user as to
its impact.

Readability of the devlink tool's output is negatively impacted by
adding these fields to the diagnosis. The single line of text, as
rendered by devlink health diagnose, benefits from more terse
descriptions, which can be substituted without loss of clarity, even
in pretty printed JSON mode.

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:13:05 +01:00
Edwin Peer
2bb21b8db5 bnxt_en: consolidate fw devlink health reporters
Merge 'fw' and 'fw_fatal' health reporters.  There is no longer a need
to distinguish between firmware reporters. Only bonafide errors are
reported now and no reports were being generated for the 'fw' reporter.

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:13:05 +01:00
Edwin Peer
aadb0b1a0b bnxt_en: remove fw_reset devlink health reporter
Firmware resets initiated by the user are not errors and should not
be reported via devlink. Once only unsolicited resets remain, it is no
longer sensible to maintain a separate fw_reset reporter.

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:13:05 +01:00
Edwin Peer
1596847d0f bnxt_en: improve error recovery information messages
The recovery election messages are often mistaken for errors. Improve
the wording to clarify the meaning of these frequent and expected
events. Also, take the first step towards more inclusive language.

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:13:05 +01:00
Edwin Peer
892a662f04 bnxt_en: add enable_remote_dev_reset devlink parameter
The reported parameter value should not take into account the state
of remote drivers. Firmware will reject remote resets as appropriate,
thus it is not strictly necessary to check HOT_RESET_ALLOWED before
attempting to initiate a reset. But we add the check so that we can
provide more intuitive messages when reset is not permitted.

This firmware setting needs to be restored from all functions after
a firmware reset.

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:13:05 +01:00
Edwin Peer
8f6c5e4d14 bnxt_en: implement devlink dev reload fw_activate
Similar to reload driver_reinit, the RTNL lock is held across reload
down and up to prevent interleaving state changes.  But we need to
subsequently release the RTNL lock while waiting for firmware reset
to complete.

Also keep a statistic on fw_activate resets initiated remotely from
other functions.

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:13:05 +01:00
Edwin Peer
228ea8c187 bnxt_en: implement devlink dev reload driver_reinit
The RTNL lock must be held between down and up to prevent interleaving
state changes, especially since external state changes might release
and allocate different driver resource subsets that would otherwise
need to be tracked and carefully handled. If the down function fails,
then devlink will not call the corresponding up function, thus the
lock is released in the down error paths.

v2: Don't use devlink_reload_disable() and devlink_reload_enable().
Instead, check that the netdev is not in unregistered state before
proceeding with reload.

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-Off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:13:04 +01:00
Edwin Peer
d900aadd86 bnxt_en: refactor cancellation of resource reservations
Resource reservations will also need to be reset after FUNC_DRV_UNRGTR
in the following devlink driver_reinit patch. Extract this logic into a
reusable function.

Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:13:04 +01:00
Edwin Peer
c7dd4a5b0a bnxt_en: refactor printing of device info
The device info logged during probe will be reused by the devlink
driver_reinit code in a following patch. Extract this logic into
the new bnxt_print_device_info() function. The board index needs
to be saved in the driver context so that the board information
can be retrieved at a later time, outside of the probe function.

Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-29 12:13:04 +01:00
Jakub Kicinski
a812a046c2 Merge branch 'code-movement-to-br_switchdev-c'
Vladimir Oltean says:

====================
Code movement to br_switchdev.c

This is one more refactoring patch set for the Linux bridge, where more
logic that is specific to switchdev is moved into br_switchdev.c, which
is compiled out when CONFIG_NET_SWITCHDEV is disabled.
====================

Link: https://lore.kernel.org/r/20211027162119.2496321-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-28 20:06:02 -07:00