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3 years agomld: convert ipv6_mc_socklist->sflist to RCU
Taehee Yoo [Thu, 25 Mar 2021 16:16:53 +0000 (16:16 +0000)]
mld: convert ipv6_mc_socklist->sflist to RCU

The sflist has been protected by rwlock so that the critical section
is atomic context.
In order to switch this context, changing locking is needed.
The sflist actually already protected by RTNL So if it's converted
to use RCU, its control path context can be switched to sleepable.

Suggested-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agomld: get rid of inet6_dev->mc_lock
Taehee Yoo [Thu, 25 Mar 2021 16:16:52 +0000 (16:16 +0000)]
mld: get rid of inet6_dev->mc_lock

The purpose of mc_lock is to protect inet6_dev->mc_tomb.
But mc_tomb is already protected by RTNL and all functions,
which manipulate mc_tomb are called under RTNL.
So, mc_lock is not needed.
Furthermore, it is spinlock so the critical section is atomic.
In order to reduce atomic context, it should be removed.

Suggested-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agomld: convert from timer to delayed work
Taehee Yoo [Thu, 25 Mar 2021 16:16:51 +0000 (16:16 +0000)]
mld: convert from timer to delayed work

mcast.c has several timers for delaying works.
Timer's expire handler is working under atomic context so it can't use
sleepable things such as GFP_KERNEL, mutex, etc.
In order to use sleepable APIs, it converts from timers to delayed work.
But there are some critical sections, which is used by both process
and BH context. So that it still uses spin_lock_bh() and rwlock.

Suggested-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'ethtool-kdoc-touchups'
David S. Miller [Fri, 26 Mar 2021 22:09:45 +0000 (15:09 -0700)]
Merge branch 'ethtool-kdoc-touchups'

Jakub Kicinski says:

====================
ethtool: fec: ioctl kdoc touch ups

A few touch ups from v1 review.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoethtool: document the enum values not defines
Jakub Kicinski [Fri, 26 Mar 2021 20:22:23 +0000 (13:22 -0700)]
ethtool: document the enum values not defines

kdoc does not have good support for documenting defines,
and we can't abuse the enum documentation because it
generates warnings.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoethtool: fec: fix FEC_NONE check
Jakub Kicinski [Fri, 26 Mar 2021 20:22:22 +0000 (13:22 -0700)]
ethtool: fec: fix FEC_NONE check

Dan points out we need to use the mask not the bit (which is 0).

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 42ce127d9864 ("ethtool: fec: sanitize ethtool_fecparam->fec")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoethtool: fec: add note about reuse of reserved
Jakub Kicinski [Fri, 26 Mar 2021 20:22:21 +0000 (13:22 -0700)]
ethtool: fec: add note about reuse of reserved

struct ethtool_fecparam::reserved can't be used in SET, because
ethtool user space doesn't zero-initialize the structure.
Make this clear.

Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'mptcp-cleanups'
David S. Miller [Fri, 26 Mar 2021 22:05:15 +0000 (15:05 -0700)]
Merge branch 'mptcp-cleanups'

Mat Martineau says:

====================
MPTCP: Cleanup and address advertisement fixes

This patch series contains cleanup and fixes we have been testing in the
MPTCP tree. MPTCP uses TCP option headers to advertise additional
address information after an initial connection is established. The main
fixes here deal with making those advertisements more reliable and
improving the way subflows are created after an advertisement is
received.

Patches 1, 2, 4, 10, and 12 are for various cleanup or refactoring.

Patch 3 skips an extra connection attempt if there's already a subflow
connection for the newly received advertisement.

Patches 5, 6, and 7 make sure that the next address is advertised when
there are multiple addresses to share, the advertisement has been
retried, and the peer has not echoed the advertisement. Self tests are
updated.

Patches 8 and 9 fix a problem similar to 5/6/7, but covers a case where
the failure was due to a subflow connection not completing.

Patches 11 and 13 send a bare ack to revoke an advertisement rather than
waiting for other activity to trigger a packet send. This mirrors the
way acks are sent for new advertisements. Self test is included.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoselftests: mptcp: signal addresses testcases
Geliang Tang [Fri, 26 Mar 2021 18:26:42 +0000 (11:26 -0700)]
selftests: mptcp: signal addresses testcases

This patch adds testcases for signalling multi valid and invalid
addresses for both signal_address_tests and remove_tests.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agomptcp: rename mptcp_pm_nl_add_addr_send_ack
Geliang Tang [Fri, 26 Mar 2021 18:26:41 +0000 (11:26 -0700)]
mptcp: rename mptcp_pm_nl_add_addr_send_ack

Since mptcp_pm_nl_add_addr_send_ack is now used for both ADD_ADDR and
RM_ADDR cases, rename it to mptcp_pm_nl_addr_send_ack.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agomptcp: send ack for rm_addr
Geliang Tang [Fri, 26 Mar 2021 18:26:40 +0000 (11:26 -0700)]
mptcp: send ack for rm_addr

This patch changes the sending ACK conditions for the ADD_ADDR, send an
ACK packet for RM_ADDR too.

In mptcp_pm_remove_addr, invoke mptcp_pm_nl_add_addr_send_ack to send
the ACK packet.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agomptcp: drop useless addr_signal clear
Geliang Tang [Fri, 26 Mar 2021 18:26:39 +0000 (11:26 -0700)]
mptcp: drop useless addr_signal clear

msk->pm.addr_signal is cleared in mptcp_pm_add_addr_signal, no need to
clear it in mptcp_pm_nl_add_addr_send_ack again. Drop it.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agomptcp: move to next addr when subflow creation fail
Geliang Tang [Fri, 26 Mar 2021 18:26:38 +0000 (11:26 -0700)]
mptcp: move to next addr when subflow creation fail

When an invalid address was announced, the subflow couldn't be created
for this address. Therefore mptcp_pm_nl_subflow_established couldn't be
invoked. Then the next addresses in the local address list didn't have a
chance to be announced.

This patch invokes the new function mptcp_pm_add_addr_echoed when the
address is echoed. In it, use mptcp_lookup_anno_list_by_saddr to check
whether this address is in the anno_list. If it is, PM schedules the
status MPTCP_PM_SUBFLOW_ESTABLISHED to invoke
mptcp_pm_create_subflow_or_signal_addr to deal with the next address in
the local address list.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agomptcp: export lookup_anno_list_by_saddr
Geliang Tang [Fri, 26 Mar 2021 18:26:37 +0000 (11:26 -0700)]
mptcp: export lookup_anno_list_by_saddr

This patch exported the static function lookup_anno_list_by_saddr, and
renamed it to mptcp_lookup_anno_list_by_saddr.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoselftests: mptcp: timeout testcases for multi addresses
Geliang Tang [Fri, 26 Mar 2021 18:26:36 +0000 (11:26 -0700)]
selftests: mptcp: timeout testcases for multi addresses

This patch added the timeout testcases for multi addresses, valid and
invalid.

These testcases need to transmit 8 ADD_ADDRs, so add a new speed level
'least' to set 10 to mptcp_connect to slow down the transmitting process.
The original speed level 'slow' still uses 50.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoselftests: mptcp: add cfg_do_w for cfg_remove
Geliang Tang [Fri, 26 Mar 2021 18:26:35 +0000 (11:26 -0700)]
selftests: mptcp: add cfg_do_w for cfg_remove

In some testcases, we need to slow down the transmitting process. This
patch added a new argument named cfg_do_w for cfg_remove to allow the
caller to pass an argument to cfg_remove.

In do_rnd_write, use this cfg_do_w to control the transmitting speed.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agomptcp: move to next addr when timeout
Geliang Tang [Fri, 26 Mar 2021 18:26:34 +0000 (11:26 -0700)]
mptcp: move to next addr when timeout

This patch called mptcp_pm_subflow_established to move to the next address
when an ADD_ADDR has been retransmitted the maximum number of times.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agomptcp: drop unused subflow in mptcp_pm_subflow_established
Geliang Tang [Fri, 26 Mar 2021 18:26:33 +0000 (11:26 -0700)]
mptcp: drop unused subflow in mptcp_pm_subflow_established

This patch drops the unused parameter subflow in
mptcp_pm_subflow_established().

Fixes: 926bdeab5535 ("mptcp: Implement path manager interface commands")
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agomptcp: skip connecting the connected address
Geliang Tang [Fri, 26 Mar 2021 18:26:32 +0000 (11:26 -0700)]
mptcp: skip connecting the connected address

This patch added a new helper named lookup_subflow_by_daddr to find
whether the destination address is in the msk's conn_list.

In mptcp_pm_nl_add_addr_received, use lookup_subflow_by_daddr to check
whether the announced address is already connected. If it is, skip
connecting this address and send out the echo.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agomptcp: drop argument port from mptcp_pm_announce_addr
Geliang Tang [Fri, 26 Mar 2021 18:26:31 +0000 (11:26 -0700)]
mptcp: drop argument port from mptcp_pm_announce_addr

Drop the redundant argument 'port' from mptcp_pm_announce_addr, use the
port field of another argument 'addr' instead.

Fixes: 0f5c9e3f079f ("mptcp: add port parameter for mptcp_pm_announce_addr")
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agomptcp: clean-up the rtx path
Paolo Abeni [Fri, 26 Mar 2021 18:26:30 +0000 (11:26 -0700)]
mptcp: clean-up the rtx path

After the previous patch we can easily avoid invoking
the workqueue to perform the retransmission, if the
msk socket lock is held at rtx timer expiration.

This also simplifies the relevant code.

Co-developed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'ipa-resource'
David S. Miller [Fri, 26 Mar 2021 22:02:39 +0000 (15:02 -0700)]
Merge branch 'ipa-resource'

Alex Elder says:

====================
net: ipa: rework resource programming

This series reworks the way IPA resources are defined and
programmed.  It is a little long--and I apologize for that--but
I think the patches are best taken together as a single unit.

The IPA hardware operates with a set of distinct "resources."  Each
hardware instance has a fixed number of each resource type available.
Available resources are divided into smaller pools, with each pool
shared by endpoints in a "resource group."  Each endpoint is thus
assigned to a resource group that determines which pools supply
resources the IPA hardware uses to handle the endpoint's processing.

The exact set of resources used can differ for each version of IPA.
Except for IPA v3.0 and v3.1, there are 5 source and 2 destination
resource types, but there's no reason to assume this won't change.

The number of resource groups used *does* typically change based on
the hardware version.  For example, some versions target reduced
functionality and support fewer resource groups.

With that as background...

The net result of this series is to improve the flexibility with
which IPA resources and resource groups are defined, permitting each
version of IPA to define its own set of resources and groups.  Along
the way it isolates the resource-related code, and fixes a few bugs
related to resource handling.

The first patch moves resource-related code to a new C file (and
header).  It generates a checkpatch warning about updating
MAINTAINERS, which can be ignored.  The second patch fixes a bug,
but the bug does not affect SDM845 or SC7180.

The third patch defines an enumerated type whose members provide
symbolic names for resource groups.

The fourth defines some resource limits for SDM845 that were not
previously being programmed.  That platform "works" without this,
but to be correct, these limits should really be programmed.

The fifth patch uses a single enumerated type to define both source
and destination resource type IDs, and the sixth uses those IDs to
index the resource limit arrays.  The seventh moves the definition
of that enumerated type into the platform data files, allowing each
platform to define its own set of resource types.

The eighth and ninth are fairly trivial changes.  One replaces two
"max" symbols having the same value with a single symbol.  And the
other replaces two distinct but otherwise identical structure types
with a single common one.

The 10th is a small preparatory patch for the 11th, passing a
different argument to a function that programs resource values.
The 11th allows the actual number of source and destination resource
groups for a platform to be specified in its configuration data.
That way the number is based on the actual number of groups defined.
This removes the need for a sort of clunky pair of functions that
defined that information previously.

Finally, the last patch just increases the number of resource groups
that can be defined to 8.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ipa: support more than 6 resource groups
Alex Elder [Fri, 26 Mar 2021 15:11:22 +0000 (10:11 -0500)]
net: ipa: support more than 6 resource groups

IPA versions 3.0 and 3.1 support up to 8 resource groups.  There is
some interest in supporting these older versions of the hardware, so
update the resource configuration code to program resource limits
for these groups if specified.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ipa: record number of groups in data
Alex Elder [Fri, 26 Mar 2021 15:11:21 +0000 (10:11 -0500)]
net: ipa: record number of groups in data

The arrays of source and destination resource limits defined in
configuration data are of a fixed size--which is the maximum number
of resource groups supported for any platform.  Most platforms will
use fewer than that many groups.

Add new members to the ipa_rsrc_group_id enumerated type to define
the number of source and destination resource groups are defined for
the platform.  (This type is defined for each platform in its data
file.)

Add a new field to the resource configuration data that indicates
how many of the source and destination resource groups are actually
used for the platform, and initialize it with the count value.  This
allows us to determine the number of groups defined for the platform
without exposing the ipa_rsrc_group_id enumerated type.

As a result, we no longer need ipa_resource_group_src_count()
and ipa_resource_group_dst_count(), because each platform now
defines its supported number of resource groups.  So get rid of
those two functions.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ipa: pass data for source and dest resource config
Alex Elder [Fri, 26 Mar 2021 15:11:20 +0000 (10:11 -0500)]
net: ipa: pass data for source and dest resource config

Pass the resource data pointer to ipa_resource_config_src() and
ipa_resource_config_dst() to be used for configuring resource
limits.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ipa: combine source and destation resource types
Alex Elder [Fri, 26 Mar 2021 15:11:19 +0000 (10:11 -0500)]
net: ipa: combine source and destation resource types

The ipa_resource_src and ipa_resource_dst structures are identical
in form, so just replace them with a single structure.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ipa: combine source and destination group limits
Alex Elder [Fri, 26 Mar 2021 15:11:18 +0000 (10:11 -0500)]
net: ipa: combine source and destination group limits

Replace IPA_RESOURCE_GROUP_SRC_MAX and IPA_RESOURCE_GROUP_DST_MAX
with a single symbol, IPA_RESOURCE_GROUP_MAX.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ipa: move ipa_resource_type definition
Alex Elder [Fri, 26 Mar 2021 15:11:17 +0000 (10:11 -0500)]
net: ipa: move ipa_resource_type definition

Most platforms have the same set of source and destination resource
types.  But some older platforms have some additional ones, and it's
possible different resources will be used in the future.

Move the definition of the ipa_resource_type enumerated type so it
is defined for each platform in its configuration data file.  This
permits each to have a distinct set of resources.

Shorten the data files slightly, by putting the min and max limit
values on the same line.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ipa: index resource limits with type
Alex Elder [Fri, 26 Mar 2021 15:11:16 +0000 (10:11 -0500)]
net: ipa: index resource limits with type

Remove the type field from the ipa_resource_src and ipa_resource_dst
structures, and instead use that value as the index into the arrays
of source and destination resources.

Change ipa_resource_config_src() and ipa_resource_config_dst() so
the resource type is passed in as an argument.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ipa: combine resource type definitions
Alex Elder [Fri, 26 Mar 2021 15:11:15 +0000 (10:11 -0500)]
net: ipa: combine resource type definitions

Combine the ipa_resource_type_src and ipa_resource_type_dst
enumerated types into a single enumerated type, ipa_resource_type.

Assign value 0 to the first element for the source and destination
types, so their numeric values are preserved.  Add some additional
commentary where these are defined, stating explicitly that code
assumes the first source and first destination member must have
numeric value 0.

Fix the kerneldoc comments for the ipa_gsi_endpoint_data structure.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ipa: add some missing resource limits
Alex Elder [Fri, 26 Mar 2021 15:11:14 +0000 (10:11 -0500)]
net: ipa: add some missing resource limits

Currently, the SDM845 configuration data defines resource limits for
the first two resource groups (for both source and destination
resource types).  The hardware supports additional resource groups,
and we should program the resource limits for those groups as well.

Even the "unused" destination resource group (number 2) should have
non-zero limits programmed in some cases, to ensure correct operation.

Add these missing resource group limit definitions to the SDM845
configuration data.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ipa: identify resource groups
Alex Elder [Fri, 26 Mar 2021 15:11:13 +0000 (10:11 -0500)]
net: ipa: identify resource groups

Define a new ipa_resource_group_id enumerated type, whose members
have numeric values that match the resource group number used when
programming the hardware.  Each platform supports a different number
of source and destination resource groups, so define the type
separately for each platform in its configuration data file.

Use these new symbolic values when specifying the resource group an
endpoint is associated with.  And use them to index the limits
arrays for source and destination resources, making it clearer how
these values are used.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ipa: fix bug in resource group limit programming
Alex Elder [Fri, 26 Mar 2021 15:11:12 +0000 (10:11 -0500)]
net: ipa: fix bug in resource group limit programming

If the number of resource groups supported by the hardware is less
than a certain number, we return early in ipa_resource_config_src()
and ipa_resource_config_dst() (to avoid programming resource limits
for non-existent groups).

Unfortunately, these checks are off by one.  Fix this problem in the
four places it occurs.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ipa: introduce ipa_resource.c
Alex Elder [Fri, 26 Mar 2021 15:11:11 +0000 (10:11 -0500)]
net: ipa: introduce ipa_resource.c

Separate the IPA resource-related code into a new source file,
"ipa_resource.c", and matching header file "ipa_resource.h".

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'hns3-cleanups'
David S. Miller [Fri, 26 Mar 2021 21:58:44 +0000 (14:58 -0700)]
Merge branch 'hns3-cleanups'

Huazhong Tan says:
====================
net: hns3: add some cleanups

This series includes some cleanups for the HNS3 ethernet driver.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: split out hclge_tm_vport_tc_info_update()
Guojia Liao [Fri, 26 Mar 2021 01:36:28 +0000 (09:36 +0800)]
net: hns3: split out hclge_tm_vport_tc_info_update()

hclge_tm_vport_tc_info_update() is bloated, so split it into
separate functions for readability and maintainability.

Signed-off-by: Guojia Liao <liaoguojia@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: split function hclge_reset_rebuild()
Yufeng Mo [Fri, 26 Mar 2021 01:36:27 +0000 (09:36 +0800)]
net: hns3: split function hclge_reset_rebuild()

hclge_reset_rebuild() is a bit too long. So add a new function
hclge_update_reset_level() to improve readability.

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>
3 years agonet: hns3: fix some typos in hclge_main.c
Huazhong Tan [Fri, 26 Mar 2021 01:36:26 +0000 (09:36 +0800)]
net: hns3: fix some typos in hclge_main.c

s/sucessful/successful/
s/serivce/service/
and remove a redundant new.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: fix prototype warning
Huazhong Tan [Fri, 26 Mar 2021 01:36:25 +0000 (09:36 +0800)]
net: hns3: fix prototype warning

Correct a report warning in hns3_ethtool.c

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: remove unused parameter from hclge_dbg_dump_loopback()
Huazhong Tan [Fri, 26 Mar 2021 01:36:24 +0000 (09:36 +0800)]
net: hns3: remove unused parameter from hclge_dbg_dump_loopback()

Parameter cm_buf is never used, so remove it.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: remove unused parameter from hclge_set_vf_vlan_common()
Peng Li [Fri, 26 Mar 2021 01:36:23 +0000 (09:36 +0800)]
net: hns3: remove unused parameter from hclge_set_vf_vlan_common()

Parameter vf in hclge_set_vf_vlan_common() is unused now,
so remove it.

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>
3 years agonet: hns3: remove redundant query in hclge_config_tm_hw_err_int()
Jiaran Zhang [Fri, 26 Mar 2021 01:36:22 +0000 (09:36 +0800)]
net: hns3: remove redundant query in hclge_config_tm_hw_err_int()

According to the HW manual, the query operation is unnecessary
when the TM QCN error event is enabled, so remove it.

Signed-off-by: Jiaran Zhang <zhangjiaran@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: hns3: remove redundant blank lines
Peng Li [Fri, 26 Mar 2021 01:36:21 +0000 (09:36 +0800)]
net: hns3: remove redundant blank lines

Remove some redundant blank lines.

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>
3 years agonet: hns3: remove unused code of vmdq
Jian Shen [Fri, 26 Mar 2021 01:36:20 +0000 (09:36 +0800)]
net: hns3: remove unused code of vmdq

Vmdq is not supported yet, the num_vmdq_vport is always 0,
it's a bit confusing when using the num_vport, so remove
these unused codes of vmdq.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge tag 'mlx5-updates-2021-03-24' of git://git.kernel.org/pub/scm/linux/kernel...
David S. Miller [Fri, 26 Mar 2021 21:50:34 +0000 (14:50 -0700)]
Merge tag 'mlx5-updates-2021-03-24' of git://git./linux/kernel/git/saeed/linux

Saeed Mahameed says:

====================
mlx5-updates-2021-03-24

mlx5e netdev driver updates:

1) Some cleanups from Colin, Tariq and Saeed.

2) Aya made some trivial refactoring to cleanup and generalize
 PTP and RQ (Receive Queue) creation and management.
 Mostly code decoupling and reducing dependencies between the different
 RX objects in the netdev driver.

 This is a preparation series for upcoming PTP special RQ creation which
 will allow coexistence of CQE compression (important performance feature,
 especially in Multihost systems) and HW TS PTP.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet/mlx5: Fix spelling mistakes in mlx5_core_info message
Colin Ian King [Mon, 15 Mar 2021 12:30:04 +0000 (12:30 +0000)]
net/mlx5: Fix spelling mistakes in mlx5_core_info message

There are two spelling mistakes in a mlx5_core_info message. Fix them.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
3 years agonet/mlx5e: Cleanup PTP
Aya Levin [Sun, 17 Jan 2021 13:25:27 +0000 (15:25 +0200)]
net/mlx5e: Cleanup PTP

Reduce scope of mlx5e_ptp_params, move to its c file. Remove unneeded
variables from mlx5e_ptp_open and state bitmap from PTP channel. In
addition, remove channel index from PTP channel since it is set to a
hard coded value, use define instead.

Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
3 years agonet/mlx5e: Generalize PTP implementation
Aya Levin [Sun, 7 Mar 2021 13:41:27 +0000 (15:41 +0200)]
net/mlx5e: Generalize PTP implementation

Following patches in the set add support for RX PTP. Rename PTP prefix
from %s/port_ptp/ptp/g to include RX PTP too.

In addition rename indication (used in statistics context) that PTP-SQ
was opened: %s/port_ptp_opened/tx_ptp_opened/g. This will simplify adding
indication that PTP-RQ was opened.

Signed-off-by: Aya Levin <ayal@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
3 years agonet/mlx5e: Generalize direct-TIRs and direct-RQTs API
Aya Levin [Thu, 25 Feb 2021 15:46:25 +0000 (17:46 +0200)]
net/mlx5e: Generalize direct-TIRs and direct-RQTs API

Add input parameter indicating the size of direct-TIRs/direct-RQTs array
to be created/destroyed. This allows next patches in the patch-set to
handle a single direct-TIR pointing to a direct-RQT with a single entry.

Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
3 years agonet/mlx5e: Generalize close RQ
Aya Levin [Mon, 8 Feb 2021 18:56:02 +0000 (20:56 +0200)]
net/mlx5e: Generalize close RQ

Allow different flavours of RQ to use the same close flow. Add validity
checks to support different RQ types which not necessarily initialize
all the RQ's functionality.

Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
3 years agonet/mlx5e: Generalize RQ activation
Aya Levin [Mon, 8 Feb 2021 16:25:56 +0000 (18:25 +0200)]
net/mlx5e: Generalize RQ activation

Support RQ activation for RQs without an ICOSQ in the main flow, like
existing trap-RQ and like PTP-RQ that will be introduced in the coming
patches in the patchset.
With this patch, remove the wrapper in traps to deactivate the trap-RQ.

Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
3 years agonet/mlx5e: Generalize open RQ
Aya Levin [Sun, 7 Mar 2021 13:29:53 +0000 (15:29 +0200)]
net/mlx5e: Generalize open RQ

Unify RQ creation for different RQ types. For each RQ type add a
separate open helper which initializes the RQ specific values and
trigger a call for generic open RQ function. Avoid passing the
mlx5e_channel pointer to the generic open RQ as a container, since the
RQ may reside under a different type of channel.

Signed-off-by: Aya Levin <ayal@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
3 years agonet/mlx5: Add helper to set time-stamp translator on a queue
Aya Levin [Wed, 3 Mar 2021 10:07:01 +0000 (12:07 +0200)]
net/mlx5: Add helper to set time-stamp translator on a queue

Translation method on the time-stamp is set by the capabilities. Avoid
code duplication by using a helper to set ptp_cyc2time callback on a
queue.

Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
3 years agonet/mlx5e: Allow creating mpwqe info without channel
Aya Levin [Mon, 8 Feb 2021 14:00:36 +0000 (16:00 +0200)]
net/mlx5e: Allow creating mpwqe info without channel

Change the signature of mlx5e_rq_alloc_mpwqe_info from receiving channel
pointer to receive the NUMA node. This allows creating mpwqe_info in
context of different channels types.

Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
3 years agonet/mlx5e: Restrict usage of mlx5e_priv in params logic functions
Tariq Toukan [Wed, 10 Mar 2021 12:46:59 +0000 (14:46 +0200)]
net/mlx5e: Restrict usage of mlx5e_priv in params logic functions

Do not use generic struct mlx5e_priv as a parameter to param
functions, as it is too generic. All calculations of the channel's
param should be mainly based on struct mlx5_core_dev and
struct mlx5e_params. Additional info can be explicitly passed.

Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
3 years agonet/mlx5e: Move params logic into its dedicated file
Tariq Toukan [Sun, 7 Mar 2021 13:58:20 +0000 (15:58 +0200)]
net/mlx5e: Move params logic into its dedicated file

Take params logic out of en_main.c, into the dedicated params.c.
Some functions are now hidden and become static.
No functional change here.

Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Reviewed-by: Aya Levin <ayal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
3 years agonet/mlx5e: Pass q_counter indentifier as parameter to rq_param builders
Tariq Toukan [Sun, 7 Mar 2021 13:13:23 +0000 (15:13 +0200)]
net/mlx5e: Pass q_counter indentifier as parameter to rq_param builders

Pass q_counter idintifier, instead of reading it from mlx5e_priv
parameter.
This is a step towards removing the mlx5e_priv parameter from all
params function and logic in the next patches of the series.

Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Aya Levin <ayal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
3 years agonet/mlx5e: alloc the correct size for indirection_rqt
Saeed Mahameed [Mon, 15 Mar 2021 18:27:01 +0000 (11:27 -0700)]
net/mlx5e: alloc the correct size for indirection_rqt

The cited patch allocated the wrong size for the indirection_rqt table,
fix that.

Fixes: 2119bda642c4 ("net/mlx5e: allocate 'indirection_rqt' buffer dynamically")
CC: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
3 years agodocs: nf_flowtable: fix compilation and warnings
Pablo Neira Ayuso [Thu, 25 Mar 2021 21:10:16 +0000 (22:10 +0100)]
docs: nf_flowtable: fix compilation and warnings

... cannot be used in block quote, it breaks compilation, remove it.

Fix warnings due to missing blank line such as:

net-next/Documentation/networking/nf_flowtable.rst:142: WARNING: Block quote ends without a blank line; unexpected unindent.

Fixes: 143490cde566 ("docs: nf_flowtable: update documentation with enhancements")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'sysctl-less-storage'
David S. Miller [Fri, 26 Mar 2021 00:39:33 +0000 (17:39 -0700)]
Merge branch 'sysctl-less-storage'

Eric Dumazet says:

====================
net: use less storage for most sysctl

This patch series adds a new sysctl type, to allow using u8 instead of
"int" or "long int" types.

Then we convert mosts sysctls found in struct netns_ipv4
to shrink it by three cache lines.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agotcp: convert elligible sysctls to u8
Eric Dumazet [Thu, 25 Mar 2021 18:08:17 +0000 (11:08 -0700)]
tcp: convert elligible sysctls to u8

Many tcp sysctls are either bools or small ints that can fit into u8.

Reducing space taken by sysctls can save few cache line misses
when sending/receiving data while cpu caches are empty,
for example after cpu idle period.

This is hard to measure with typical network performance tests,
but after this patch, struct netns_ipv4 has shrunk
by three cache lines.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoinet: convert tcp_early_demux and udp_early_demux to u8
Eric Dumazet [Thu, 25 Mar 2021 18:08:16 +0000 (11:08 -0700)]
inet: convert tcp_early_demux and udp_early_demux to u8

For these sysctls, their dedicated helpers have
to use proc_dou8vec_minmax().

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoipv4: convert ip_forward_update_priority sysctl to u8
Eric Dumazet [Thu, 25 Mar 2021 18:08:15 +0000 (11:08 -0700)]
ipv4: convert ip_forward_update_priority sysctl to u8

This sysctl uses ip_fwd_update_priority() helper,
so the conversion needs to change it.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoipv4: shrink netns_ipv4 with sysctl conversions
Eric Dumazet [Thu, 25 Mar 2021 18:08:14 +0000 (11:08 -0700)]
ipv4: shrink netns_ipv4 with sysctl conversions

These sysctls that can fit in one byte instead of one int
are converted to save space and thus reduce cache line misses.

 - icmp_echo_ignore_all, icmp_echo_ignore_broadcasts,
 - icmp_ignore_bogus_error_responses, icmp_errors_use_inbound_ifaddr
 - tcp_ecn, tcp_ecn_fallback
 - ip_default_ttl, ip_no_pmtu_disc, ip_fwd_use_pmtu
 - ip_nonlocal_bind, ip_autobind_reuse
 - ip_dynaddr, ip_early_demux, raw_l3mdev_accept
 - nexthop_compat_mode, fwmark_reflect

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agosysctl: add proc_dou8vec_minmax()
Eric Dumazet [Thu, 25 Mar 2021 18:08:13 +0000 (11:08 -0700)]
sysctl: add proc_dou8vec_minmax()

Networking has many sysctls that could fit in one u8.

This patch adds proc_dou8vec_minmax() for this purpose.

Note that the .extra1 and .extra2 fields are pointing
to integers, because it makes conversions easier.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'stmmac-multivector-msi'
David S. Miller [Fri, 26 Mar 2021 00:37:30 +0000 (17:37 -0700)]
Merge branch 'stmmac-multivector-msi'

Voon Weifeng says:

====================
net: stmmac: enable multi-vector MSI

This patchset adds support for multi MSI interrupts in addition to
current single common interrupt implementation. Each MSI interrupt is tied
to a newly introduce interrupt service routine(ISR). Hence, each interrupt
will only go through the corresponding ISR.

In order to increase the efficiency, enabling multi MSI interrupt will
automatically select the interrupt mode configuration INTM=1. When INTM=1,
the TX/RX transfer complete signal will only asserted on corresponding
sbd_perch_tx_intr_o[] or sbd_perch_rx_intr_o[] without asserting signal
on the common sbd_intr_o. Hence, for each TX/RX interrupts, only the
corresponding ISR will be triggered.

Every vendor might have different MSI vector assignment. So, this patchset
only includes multi-vector MSI assignment for Intel platform.

Changes:
v1 -> v2
 patch 2/5
 -Remove defensive check for invalid dev pointer
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: stmmac: use interrupt mode INTM=1 for multi-MSI
Wong, Vee Khee [Thu, 25 Mar 2021 17:39:16 +0000 (01:39 +0800)]
net: stmmac: use interrupt mode INTM=1 for multi-MSI

For interrupt mode INTM=0, TX/RX transfer complete will trigger signal
not only on sbd_perch_[tx|rx]_intr_o (Transmit/Receive Per Channel) but
also on the sbd_intr_o (Common).

As for multi-MSI implementation, setting interrupt mode INTM=1 is more
efficient as each TX intr and RX intr (TI/RI) will be handled by TX/RX ISR
without the need of calling the common MAC ISR.

Updated the TX/RX NORMAL interrupts status checking process as the
NIS status bit is not asserted for any RI/TI events for INTM=1.

Signed-off-by: Wong, Vee Khee <vee.khee.wong@intel.com>
Co-developed-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agostmmac: intel: add support for multi-vector msi and msi-x
Ong Boon Leong [Thu, 25 Mar 2021 17:39:15 +0000 (01:39 +0800)]
stmmac: intel: add support for multi-vector msi and msi-x

Intel mgbe controller supports multi-vector interrupts:
msi_rx_vec 0,2,4,6,8,10,12,14
msi_tx_vec 1,3,5,7,9,11,13,15
msi_sfty_ue_vec 26
msi_sfty_ce_vec 27
msi_lpi_vec 28
msi_mac_vec 29

During probe(), the driver will starts with request allocation for
multi-vector interrupts. If it fails, then it will automatically fallback
to request allocation for single interrupts.

Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Co-developed-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: stmmac: introduce MSI Interrupt routines for mac, safety, RX & TX
Ong Boon Leong [Thu, 25 Mar 2021 17:39:14 +0000 (01:39 +0800)]
net: stmmac: introduce MSI Interrupt routines for mac, safety, RX & TX

Now we introduce MSI interrupt service routines and hook these routines
up if stmmac_open() sees valid irq line being requested:-

stmmac_mac_interrupt()    :- MAC (dev->irq), WOL (wol_irq), LPI (lpi_irq)
stmmac_safety_interrupt() :- Safety Feat Correctible Error (sfty_ce_irq)
                             & Uncorrectible Error (sfty_ue_irq)
stmmac_msi_intr_rx()      :- For all RX MSI irq (rx_irq)
stmmac_msi_intr_tx()      :- For all TX MSI irq (tx_irq)

Each of IRQs will have its unique name so that we can differentiate
them easily under /proc/interrupts.

Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: stmmac: make stmmac_interrupt() function more friendly to MSI
Ong Boon Leong [Thu, 25 Mar 2021 17:39:13 +0000 (01:39 +0800)]
net: stmmac: make stmmac_interrupt() function more friendly to MSI

Refactor stmmac_interrupt() by introducing stmmac_common_interrupt()
so that we prepare the ISR operation to be friendly to MSI later.

Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: stmmac: introduce DMA interrupt status masking per traffic direction
Ong Boon Leong [Thu, 25 Mar 2021 17:39:12 +0000 (01:39 +0800)]
net: stmmac: introduce DMA interrupt status masking per traffic direction

In preparation to make stmmac support multi-vector MSI, we introduce the
interrupt status masking according to RX, TX or RXTX. Default to use RXTX
inside stmmac_dma_interrupt(), so there is no run-time logic difference
now.

Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: change netdev_unregister_timeout_secs min value to 1
Dmitry Vyukov [Thu, 25 Mar 2021 14:52:45 +0000 (15:52 +0100)]
net: change netdev_unregister_timeout_secs min value to 1

netdev_unregister_timeout_secs=0 can lead to printing the
"waiting for dev to become free" message every jiffy.
This is too frequent and unnecessary.
Set the min value to 1 second.

Also fix the merge issue introduced by
"net: make unregister netdev warning timeout configurable":
it changed "refcnt != 1" to "refcnt".

Signed-off-by: Dmitry Vyukov <dvyukov@google.com>
Suggested-by: Eric Dumazet <edumazet@google.com>
Fixes: 5aa3afe107d9 ("net: make unregister netdev warning timeout configurable")
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'ipa-reg-versions'
David S. Miller [Fri, 26 Mar 2021 00:22:30 +0000 (17:22 -0700)]
Merge branch 'ipa-reg-versions'

Alex Elder says:

====================
net: ipa: update registers for other versions

This series updates IPA and GSI register definitions to permit more
versions of IPA hardware to be supported.  Most of the updates are
informational, updating comments to indicate which IPA versions
support each register and field.  But some registers are new and
others are deprecated.  In a few cases register fields are laid
out differently, and in these cases the changes are a little more
substantive.

I won't claim the result is 100% correct, but it's close, and should
allow all IPA versions 3.x through 4.x to be supported by the driver.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ipa: expand GSI channel types
Alex Elder [Thu, 25 Mar 2021 14:44:37 +0000 (09:44 -0500)]
net: ipa: expand GSI channel types

IPA v4.5 (GSI v2.5) supports a larger set of channel protocols, and
adds an additional field to hold the most-significant bits of the
protocol identifier on a channel.

Add an inline function that encodes the protocol (including the
extra bits for newer versions of IPA), and define some additional
protocols.  At this point we still use only GPI protocol.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ipa: update GSI ring size registers
Alex Elder [Thu, 25 Mar 2021 14:44:36 +0000 (09:44 -0500)]
net: ipa: update GSI ring size registers

Each GSI channel has a CNTXT_1 register that encodes the size of its
ring buffer.  The size of the field that records that is increased
starting at IPA v4.9.  Replace the use of a fixed-size field mask
with a new inline function that encodes that size value.

Similarly, the size of GSI event rings can be larger starting with
IPA v4.9, so create a function to encode that as well.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ipa: GSI register cleanup
Alex Elder [Thu, 25 Mar 2021 14:44:35 +0000 (09:44 -0500)]
net: ipa: GSI register cleanup

The main purpose of this is to extend these GSI register definitions
to support additional IPA versions.

This patch makes some minor updates to "gsi_reg.h":
  - Define a DB_IN_BYTES field in the channel QOS register
  - Add some comments clarifying when certain fields are valid
  - Add the definition of GSI_CH_DB_STOP channel command
  - Add a couple of blank lines
  - Move one comment and indent another
  - Delete two unused register definitions at the end.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ipa: support IPA interrupt addresses for IPA v4.7
Alex Elder [Thu, 25 Mar 2021 14:44:34 +0000 (09:44 -0500)]
net: ipa: support IPA interrupt addresses for IPA v4.7

Starting with IPA v4.7, registers related to IPA interrupts are
located at a fixed offset 0x1000 above than the addresses used for
earlier versions.  Define and use functions to provide the offset to
use for these registers based on IPA version.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ipa: update component config register
Alex Elder [Thu, 25 Mar 2021 14:44:33 +0000 (09:44 -0500)]
net: ipa: update component config register

IPA version 4.9 and later use a different layout of some fields
found in the COMP_CFG register.

Define arbitration_lock_disable_encoded(), and use it to encode a
value into the ATOMIC_FETCHER_ARB_LOCK_DIS field based on the IPA
version.

And define full_flush_rsc_closure_en_encoded() to encode a value
into the FULL_FLUSH_WAIT_RSC_CLOSE_EN field based on the IPA
version.

The values of these fields are neither modified nor extracted by
current code, but this patch makes this possible for all supported
versions.

Fix a mistaken comment above ipa_hardware_config_comp() intended to
describe the purpose for the register.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ipa: update IPA register comments
Alex Elder [Thu, 25 Mar 2021 14:44:32 +0000 (09:44 -0500)]
net: ipa: update IPA register comments

Add and update IPA register definitions.  Extend these definitions
to incorporate a fairly small number of new symbols (register
offsets and fields) to support IPA v3.0, v3.1, v3.5, v4.0, v4.1,
v4.7, 4.9, and v4.11, and have the comments reflect when they are
valid.  None of the added symbols require changes elsewhere in the
code.

Update rsrc_grp_encoded() to support these other IPA versions.

Add kerneldoc comments for the IPA IRQ numbers and sequencer type.

Fix a few spots where the version check should be less restrictive
(missed by an earlier patch).

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ethernet: mtk_eth_soc: remove unused variable 'count'
Qiheng Lin [Thu, 25 Mar 2021 09:31:51 +0000 (17:31 +0800)]
net: ethernet: mtk_eth_soc: remove unused variable 'count'

GCC reports the following warning with W=1:

drivers/net/ethernet/mediatek/mtk_ppe_debugfs.c:80:9: warning:
 variable 'count' set but not used [-Wunused-but-set-variable]
   80 |  int i, count;
      |         ^~~~~

This variable is not used in function , this commit
remove it to fix the warning.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Qiheng Lin <linqiheng@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agor8169: remove rtl_hw_start_8168c_3
Heiner Kallweit [Thu, 25 Mar 2021 09:31:39 +0000 (10:31 +0100)]
r8169: remove rtl_hw_start_8168c_3

We can simply use rtl_hw_start_8168c_2() also for chip version 21.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: dsa: b53: spi: add missing MODULE_DEVICE_TABLE
Qinglang Miao [Thu, 25 Mar 2021 09:19:54 +0000 (17:19 +0800)]
net: dsa: b53: spi: add missing MODULE_DEVICE_TABLE

This patch adds missing MODULE_DEVICE_TABLE definition which generates
correct modalias for automatic loading of this driver when it is built
as an external module.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'gve-cleanups'
David S. Miller [Fri, 26 Mar 2021 00:07:58 +0000 (17:07 -0700)]
Merge branch 'gve-cleanups'

Daode Huang says:

====================
net: gve: make cleanup for gve

This patch set replace deprecated strlcpy by strscpy, remove
repeat word "allowed" in gve driver.
for more details, please refer to each patch.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: gve: remove duplicated allowed
Daode Huang [Thu, 25 Mar 2021 07:56:32 +0000 (15:56 +0800)]
net: gve: remove duplicated allowed

fix the WARNING of Possible repeated word: 'allowed'

Signed-off-by: Daode Huang <huangdaode@huawei.com>
Reviewed-by: Catherine Sullivan <csully@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: gve: convert strlcpy to strscpy
Daode Huang [Thu, 25 Mar 2021 07:56:31 +0000 (15:56 +0800)]
net: gve: convert strlcpy to strscpy

Usage of strlcpy in linux kernel has been recently deprecated[1], so
convert gve driver to strscpy

[1] https://lore.kernel.org/lkml/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL
=V6A6G1oUZcprmknw@mail.gmail.com/

Signed-off-by: Daode Huang <huangdaode@huawei.com>
Reviewed-by: Catherine Sullivan <csully@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ipv4: Fix some typos
Lu Wei [Thu, 25 Mar 2021 06:38:25 +0000 (14:38 +0800)]
net: ipv4: Fix some typos

Modify "accomodate" to "accommodate" in net/ipv4/esp4.c.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Lu Wei <luwei32@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: dsa: Fix a typo in tag_rtl4_a.c
Lu Wei [Thu, 25 Mar 2021 06:38:24 +0000 (14:38 +0800)]
net: dsa: Fix a typo in tag_rtl4_a.c

Modify "Apparantly" to "Apparently" in net/dsa/tag_rtl4_a.c..

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Lu Wei <luwei32@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: decnet: Fix a typo in dn_nsp_in.c
Lu Wei [Thu, 25 Mar 2021 06:38:23 +0000 (14:38 +0800)]
net: decnet: Fix a typo in dn_nsp_in.c

Modify "erronous" to "erroneous" in net/decnet/dn_nsp_in.c.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Lu Wei <luwei32@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: core: Fix a typo in dev_addr_lists.c
Lu Wei [Thu, 25 Mar 2021 06:38:22 +0000 (14:38 +0800)]
net: core: Fix a typo in dev_addr_lists.c

Modify "funciton" to "function" in net/core/dev_addr_lists.c.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Lu Wei <luwei32@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: ceph: Fix a typo in osdmap.c
Lu Wei [Thu, 25 Mar 2021 06:38:21 +0000 (14:38 +0800)]
net: ceph: Fix a typo in osdmap.c

Modify "inital" to "initial" in net/ceph/osdmap.c.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Lu Wei <luwei32@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agodrivers: net: ethernet: struct sk_buff is declared duplicately
Wan Jiabing [Thu, 25 Mar 2021 06:35:55 +0000 (14:35 +0800)]
drivers: net: ethernet: struct sk_buff is declared duplicately

struct sk_buff has been declared. Remove the duplicate.

Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: bcmgenet: remove unused including <linux/version.h>
Zheng Yongjun [Thu, 25 Mar 2021 03:29:32 +0000 (11:29 +0800)]
net: bcmgenet: remove unused including <linux/version.h>

Remove including <linux/version.h> that don't need it.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoqede: remove unused including <linux/version.h>
Zheng Yongjun [Thu, 25 Mar 2021 03:29:28 +0000 (11:29 +0800)]
qede: remove unused including <linux/version.h>

Remove including <linux/version.h> that don't need it.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: Fix a misspell in socket.c
Lu Wei [Thu, 25 Mar 2021 03:01:55 +0000 (11:01 +0800)]
net: Fix a misspell in socket.c

s/addres/address

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Lu Wei <luwei32@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agonet: usb: lan78xx: remove unused including <linux/version.h>
Zheng Yongjun [Thu, 25 Mar 2021 02:51:08 +0000 (10:51 +0800)]
net: usb: lan78xx: remove unused including <linux/version.h>

Remove including <linux/version.h> that don't need it.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Acked-by: Woojung Huh <Woojung.Huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agotipc: add extack messages for bearer/media failure
Hoang Le [Thu, 25 Mar 2021 01:56:41 +0000 (08:56 +0700)]
tipc: add extack messages for bearer/media failure

Add extack error messages for -EINVAL errors when enabling bearer,
getting/setting properties for a media/bearer

Acked-by: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: Hoang Le <hoang.h.le@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoMerge branch 'ethtool-FEC'
David S. Miller [Thu, 25 Mar 2021 23:46:53 +0000 (16:46 -0700)]
Merge branch 'ethtool-FEC'

Jakub Kicinski says:

====================
ethtool: clarify the ethtool FEC interface

Our FEC configuration interface is one of the more confusing.
It also lacks any error checking in the core. This certainly
shows in the varying implementations across the drivers.

Improve the documentation and add most basic checks. Sadly, it's
probably too late now to try to enforce much more uniformity.

Any thoughts & suggestions welcome. Next step is to add netlink
for FEC, then stats.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoethtool: clarify the ethtool FEC interface
Jakub Kicinski [Thu, 25 Mar 2021 01:12:00 +0000 (18:12 -0700)]
ethtool: clarify the ethtool FEC interface

The definition of the FEC driver interface is quite unclear.
Improve the documentation.

This is based on current driver and user space code, as well
as the discussions about the interface:

RFC v1 (24 Oct 2016): https://lore.kernel.org/netdev/1477363849-36517-1-git-send-email-vidya@cumulusnetworks.com/
 - this version has the autoneg field
 - no active_fec field
 - none vs off confusion is already present

RFC v2 (10 Feb 2017): https://lore.kernel.org/netdev/1486727004-11316-1-git-send-email-vidya@cumulusnetworks.com/
 - autoneg removed
 - active_fec added

v1 (10 Feb 2017): https://lore.kernel.org/netdev/1486751311-42019-1-git-send-email-vidya@cumulusnetworks.com/
 - no changes in the code

v1 (24 Jun 2017):  https://lore.kernel.org/netdev/1498331985-8525-1-git-send-email-roopa@cumulusnetworks.com/
 - include in tree user

v2 (27 Jul 2017): https://lore.kernel.org/netdev/1501199248-24695-1-git-send-email-roopa@cumulusnetworks.com/

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoethtool: fec: sanitize ethtool_fecparam->fec
Jakub Kicinski [Thu, 25 Mar 2021 01:11:59 +0000 (18:11 -0700)]
ethtool: fec: sanitize ethtool_fecparam->fec

Reject NONE on set, this mode means device does not support
FEC so it's a little out of place in the set interface.

This should be safe to do - user space ethtool does not allow
the use of NONE on set. A few drivers treat it the same as OFF,
but none use it instead of OFF.

Similarly reject an empty FEC mask. The common user space tool
will not send such requests and most drivers correctly reject
it already.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 years agoethtool: fec: sanitize ethtool_fecparam->active_fec
Jakub Kicinski [Thu, 25 Mar 2021 01:11:58 +0000 (18:11 -0700)]
ethtool: fec: sanitize ethtool_fecparam->active_fec

struct ethtool_fecparam::active_fec is a GET-only field,
all in-tree drivers correctly ignore it on SET. Clear
the field on SET to avoid any confusion. Again, we can't
reject non-zero now since ethtool user space does not
zero-init the param correctly.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>