devlink: Allow setting tx rate for devlink rate leaf objects

Implement support for DEVLINK_CMD_RATE_SET command with new attributes
DEVLINK_ATTR_RATE_TX_{SHARE|MAX} that are used to set devlink rate
shared/max tx rate values. Extend devlink ops with new callbacks
rate_leaf_tx_{share|max}_set() to allow supporting drivers to implement
rate control through devlink.

New attributes are optional. Driver implementations are allowed to
support either or both of them.

Shared rate example:

$ devlink port function rate set netdevsim/netdevsim10/0 tx_share 10mbit

$ devlink port function rate show netdevsim/netdevsim10/0
netdevsim/netdevsim10/0: type leaf tx_share 10mbit

Max rate example:

$ devlink port function rate set netdevsim/netdevsim10/0 tx_max 100mbit

$ devlink port function rate show netdevsim/netdevsim10/0
netdevsim/netdevsim10/0: type leaf tx_max 100mbit

Co-developed-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Dmytro Linkin <dlinkin@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

selftest: netdevsim: Add devlink rate test

Test verifies that all netdevsim VF ports have rate leaf object created
by default.

Co-developed-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Dmytro Linkin <dlinkin@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

netdevsim: Register devlink rate leaf objects per VF

Register devlink rate leaf objects per VF.

Co-developed-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Dmytro Linkin <dlinkin@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

devlink: Introduce rate object

Allow registering rate object for devlink ports with dedicated
devlink_rate_leaf_{create|destroy}() API. Implement new netlink
DEVLINK_CMD_RATE_GET command that is used to retrieve rate object info.
Add new DEVLINK_CMD_RATE_{NEW|DEL} commands that are used for
notifications when creating/deleting leaf rate object.

Rate API is intended to be used for rate limiting of individual
devlink ports (leafs) and their aggregates (nodes).

Example:

$ devlink port show
pci/0000:03:00.0/0
pci/0000:03:00.0/1

$ devlink port function rate show
pci/0000:03:00.0/0: type leaf
pci/0000:03:00.0/1: type leaf

Co-developed-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Dmytro Linkin <dlinkin@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

netdevsim: Implement legacy/switchdev mode for VFs

Implement callbacks to set/get eswitch mode value. Add helpers to check
current mode.

Instantiate VFs' net devices and devlink ports on switchdev enabling and
remove them on legacy enabling. Changing number of VFs while in
switchdev mode triggers VFs creation/deletion.

Also disable NDO API callback to set VF rate, since it's legacy API.
Switchdev API to set VF rate will be implemented in one of the next
patches.

Signed-off-by: Dmytro Linkin <dlinkin@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

netdevsim: Implement VFs

Allow creation of netdevsim ports for VFs along with allocations of
corresponding net devices and devlink ports.
Add enums and helpers to distinguish PFs' ports from VFs' ports.

Ports creation/deletion debugfs API intended to be used with physical
ports only.
VFs instantiation will be done in one of the next patches.

Signed-off-by: Dmytro Linkin <dlinkin@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

netdevsim: Implement port types and indexing

Define type of ports, which netdevsim driver currently operates with as
PF. Define new port type - VF, which will be implemented in following
patches. Add helper functions to distinguish them. Add helper function
to get VF index from port index.

Add port indexing logic where PFs' indexes starts from 0, VFs' - from
NSIM_DEV_VF_PORT_INDEX_BASE.
All ports uses same index pool, which means that PF port may be created
with index from VFs' indexes range.
Maximum number of VFs, which the driver can allocate, is limited by
UINT_MAX - BASE.

Signed-off-by: Dmytro Linkin <dlinkin@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

netdevsim: Disable VFs on nsim_dev_reload_destroy() call

Move VFs disabling from device release() to nsim_dev_reload_destroy() to
make VFs disabling and ports removal simultaneous.
This is a requirement for VFs ports implemented in next patches.

Signed-off-by: Dmytro Linkin <dlinkin@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

netdevsim: Add max_vfs to bus_dev

Currently there is no limit to the number of VFs netdevsim can enable.
In a real systems this value exist and used by the driver.
Fore example, some features might need to consider this value when
allocating memory.

Expose max_vfs variable to debugfs as configurable resource. If are VFs
configured (num_vfs != 0) then changing of max_vfs not allowed.

Co-developed-by: Yuval Avnery <yuvalav@nvidia.com>
Signed-off-by: Yuval Avnery <yuvalav@nvidia.com>
Signed-off-by: Dmytro Linkin <dlinkin@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Merge branch 'nfp-ct-offload'

Simon Horman says:

====================
Introduce conntrack offloading to the nfp driver

Louis Peens says:

This is the first in a series of patches to offload conntrack
to the nfp. The approach followed is to flatten out three
different flow rules into a single offloaded flow. The three
different flows are:

1) The rule sending the packet to conntrack (pre_ct)
2) The rule matching on +trk+est after a packet has been through
   conntrack. (post_ct)
3) The rule received via callback from the netfilter (nft)

In order to offload a flow we need a combination of all three flows, but
they could be added/deleted at different times and in different order.

To solve this we save potential offloadable CT flows in the driver,
and every time we receive a callback we check against these saved flows
for valid merges. Once we have a valid combination of all three flows
this will be offloaded to the NFP. This is demonstrated in the diagram
below.

+-------------+                      +----------+
| pre_ct flow +--------+             | nft flow |
+-------------+        v             +------+---+
                  +----------+              |
                  | tc_merge +--------+     |
                  +----------+        v     v
+--------------+       ^           +-------------+
| post_ct flow +-------+       +---+nft_tc merge |
+--------------+               |   +-------------+
                               |
                               |
                               |
                               v
                        Offload to nfp

This series is only up to the point of the pre_ct and post_ct
merges into the tc_merge. Follow up series will continue
to add the nft flows and merging of these flows with the result
of the pre_ct and post_ct merged flows.

Changes since v2:
- nfp: flower-ct: add zone table entry when handling pre/post_ct flows
    Fixed another docstring. Should finally have the patch check
    environment properly configured now to avoid more of these.
- nfp: flower-ct: add tc merge functionality
    Fixed warning found by "kernel test robot <lkp@intel.com>"
    Added code comment explaining chain_index comparison

Changes since v1:
- nfp: flower-ct: add ct zone table
    Fixed unused variable compile warning
    Fixed missing colon in struct description
====================

Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

nfp: flower-ct: add tc merge functionality

Add merging of pre/post_ct flow rules into the tc_merge table.
Pre_ct flows needs to be merge with post_ct flows and vice versa.

This needs to be done for all flows in the same zone table, as well
as with the wc_zone_table, which is for flows masking out ct_zone
info.

Cleanup is happening when all the tables are cleared up and prints
a warning traceback as this is not expected in the final version.
At this point we are not actually returning success for the offload,
so we do not get any delete requests for flows, so we can't delete
them that way yet. This means that cleanup happens in what would
usually be an exception path.

Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

nfp: flower-ct: add tc_merge_tb

Add the table required to store the merge result of pre_ct and post_ct
flows. This is just the initial setup and teardown of the table,
the implementation will be in follow-up patches.

Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

nfp: flower-ct: add a table to map flow cookies to ct flows

Add a hashtable which contains entries to map flow cookies to ct
flow entries. Currently the entries are added and not used, but
follow-up patches will use this for stats updates and flow deletes.

Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

nfp: flower-ct: add nfp_fl_ct_flow_entries

This commit starts adding the structures and lists that will
be used in follow up commits to enable offloading of conntrack.
Some stub functions are also introduced as placeholders by
this commit.

Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

nfp: flower-ct: add zone table entry when handling pre/post_ct flows

Start populating the pre/post_ct handler functions. Add a zone entry
to the zone table, based on the zone information from the flow. In
the case of a post_ct flow which has a wildcarded match on the zone
create a special entry.

Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

nfp: flower-ct: add ct zone table

Add initial zone table to nfp_flower_priv. This table will be used
to store all the information required to offload conntrack.

Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

nfp: flower-ct: add pre and post ct checks

Add checks to see if a flow is a conntrack flow we can potentially
handle. Just stub out the handling the different conntrack flows.

Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

nfp: flower: move non-zero chain check

This is in preparation for conntrack offload support which makes
used of different chains. Add explicit checks for conntrack and
non-zero chains in the add_offload path.

Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

decnet: Fix spelling mistakes

Fix some spelling mistakes in comments:
thats  ==> that's
serivce  ==> service
varience  ==> variance

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

rxrpc: Fix a typo

targetted  ==> targeted

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Bluetooth: Fix spelling mistakes

Fix some spelling mistakes in comments:
udpate  ==> update
retreive  ==> retrieve
accidentially  ==> accidentally
correspondig  ==> corresponding
adddress  ==> address
estabilish  ==> establish
commplete  ==> complete
Unkown  ==> Unknown
triggerd  ==> triggered
transtion  ==> transition

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

9p/trans_virtio: Fix spelling mistakes

reseting  ==> resetting
alloced  ==> allocated
accomodate  ==> accommodate

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

ethtool: Fix a typo

atribute  ==> attribute

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

sit: replace 68 with micro IPV4_MIN_MTU

Use meaningfull micro IPV4_MIN_MTU

Signed-off-by: zhang kai <zhangkaiheb@126.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

dt-bindings: net: brcm,iproc-mdio: convert to the json-schema

This helps validating DTS files.

Introduced changes:
1. Swapped #address-cells and #size-cells values
2. Renamed node: s/enet-gphy/ethernet-phy@/

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>

Merge git://git./linux/kernel/git/pablo/nf-next

Pablo Neira Ayuso says:

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

The following patchset contains Netfilter updates for net-next:

1) Support for SCTP chunks matching on nf_tables, from Phil Sutter.

2) Skip LDMXCSR, we don't need a valid MXCSR state. From Stefano Brivio.

3) CONFIG_RETPOLINE for nf_tables set lookups, from Florian Westphal.

4) A few Kconfig leading spaces removal, from Juerg Haefliger.

5) Remove spinlock from xt_limit, from Jason Baron.

6) Remove useless initialization in xt_CT, oneliner from Yang Li.

7) Tree-wide replacement of netlink_unicast() by nfnetlink_unicast().

8) Reduce footprint of several structures: xt_action_param,
   nft_pktinfo and nf_hook_state, from Florian.

10) Add nft_thoff() and nft_sk() helpers and use them, also from Florian.

11) Fix documentation in nf_tables pipapo avx2, from Florian Westphal.

12) Fix clang-12 fmt string warnings, also from Florian.
====================

Merge branch 'qualcomm-rmnet-mapv5'

Sharath Chandra Vurukala says:

====================
net: qualcomm: rmnet: Enable Mapv5

This series introduces the MAPv5 packet format.

   Patch 0 documents the MAPv4/v5.
   Patch 1 introduces the MAPv5 and the Inline checksum offload for RX/Ingress.
   Patch 2 introduces the MAPv5 and the Inline checksum offload for TX/Egress.

   A new checksum header format is used as part of MAPv5.For RX checksum offload,
   the checksum is verified by the HW and the validity is marked in the checksum
   header of MAPv5. For TX, the required metadata is filled up so hardware can
   compute the checksum.

   v1->v2:
   - Fixed the compilation errors, warnings reported by kernel test robot.
   - Checksum header definition is expanded to support big, little endian
           formats as mentioned by Jakub.

   v2->v3:
   - Fixed compilation errors reported by kernel bot for big endian flavor.

   v3->v4:
   - Made changes to use masks instead of C bit-fields as suggested by Jakub/Alex.

   v4->v5:
   - Corrected checkpatch errors and warnings reported by patchwork.

   v5->v6:
   - Corrected the bug identified by Alex and incorporated all his comments.

   v6->v7:
   - Removed duplicate inclusion of linux/bitfield.h in rmnet_map_data.c

   v7->v8:
   - Have addressed comments given by JAkub on v7 patches.
   - As suggested by Jakub, skb_cow_head() is used instead of expanding
     the head directly. This is now done in  rmnet_map_egress_handler().
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

net: ethernet: rmnet: Add support for MAPv5 egress packets

Adding support for MAPv5 egress packets.

This involves adding the MAPv5 header and setting the csum_valid_required
in the checksum header to request HW compute the checksum.

Corresponding stats are incremented based on whether the checksum is
computed in software or HW.

New stat has been added which represents the count of packets whose
checksum is calculated by the HW.

Signed-off-by: Sharath Chandra Vurukala <sharathv@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net: ethernet: rmnet: Support for ingress MAPv5 checksum offload

Adding support for processing of MAPv5 downlink packets.
It involves parsing the Mapv5 packet and checking the csum header
to know whether the hardware has validated the checksum and is
valid or not.

Based on the checksum valid bit the corresponding stats are
incremented and skb->ip_summed is marked either CHECKSUM_UNNECESSARY
or left as CHEKSUM_NONE to let network stack revalidate the checksum
and update the respective snmp stats.

Current MAPV1 header has been modified, the reserved field in the
Mapv1 header is now used for next header indication.

Signed-off-by: Sharath Chandra Vurukala <sharathv@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

docs: networking: Add documentation for MAPv5

Adding documentation explaining the new MAPv4/v5 packet formats
and the corresponding checksum offload headers.

Signed-off-by: Sharath Chandra Vurukala <sharathv@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

Merge branch 'iwl-next' of git://git./linux/kernel/git/tnguy/linux

Tony Nguyen says:

====================
iwl-next Intel Wired LAN Driver Updates 2021-06-01

This pull request is targeting net-next and rdma-next branches.
These patches have been reviewed by netdev and rdma mailing lists[1].

This series adds RDMA support to the ice driver for E810 devices and
converts the i40e driver to use the auxiliary bus infrastructure
for X722 devices. The PCI netdev drivers register auxiliary RDMA devices
that will bind to auxiliary drivers registered by the new irdma module.

[1] https://lore.kernel.org/netdev/20210520143809.819-1-shiraz.saleem@intel.com/
---
v3:
- ice_aq_add_rdma_qsets(), ice_cfg_vsi_rdma(), ice_[ena|dis]_vsi_rdma_qset(),
and ice_cfg_rdma_fltr() no longer return ice_status
- Remove null check from ice_aq_add_rdma_qsets()

v2:
- Added patch 'i40e: Replace one-element array with flexible-array
member'

Changes since linked review (v6):
- Removed unnecessary checks in i40e_client_device_register() and
i40e_client_device_unregister()
- Simplified the i40e_client_device_register() API
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

net: mdio: Fix spelling mistakes

informations  ==> information
typicaly  ==> typically
derrive  ==> derive
eventhough  ==> even though

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net: usb: Fix spelling mistakes

wierdness  ==> weirdness
multicat  ==> multicast
limite  ==> limit
adddress  ==> address
operater  ==> operator
intial  ==> initial
smaler  ==> smaller
Communcation  ==> Communication
funcitons  ==> functions
everytime  ==> every time
Neigbor  ==> Neighbor
performace  ==> performance

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

vrf: Fix a typo

possibile  ==> possible

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

gtp: Fix a typo

Suppport  ==> Support

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

macvlan: Fix a typo

underlaying  ==> underlying

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net: Return the correct errno code

When kalloc or kmemdup failed, should return ENOMEM rather than ENOBUF.

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net: dcb: Return the correct errno code

When kalloc or kmemdup failed, should return ENOMEM rather than ENOBUF.

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

igb: Fix -Wunused-const-variable warning

If CONFIG_IGB_HWMON is n, gcc warns:

drivers/net/ethernet/intel/igb/e1000_82575.c:2765:17:
 warning: ‘e1000_emc_therm_limit’ defined but not used [-Wunused-const-variable=]
 static const u8 e1000_emc_therm_limit[4] = {
                 ^~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/intel/igb/e1000_82575.c:2759:17:
 warning: ‘e1000_emc_temp_data’ defined but not used [-Wunused-const-variable=]
 static const u8 e1000_emc_temp_data[4] = {
                 ^~~~~~~~~~~~~~~~~~~

Move it into #ifdef block to fix this.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

cxgb4: Fix -Wunused-const-variable warning

If CONFIG_PCI_IOV is n, make W=1 warns:

drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c:3909:33:
 warning: ‘cxgb4_mgmt_ethtool_ops’ defined but not used [-Wunused-const-variable=]
 static const struct ethtool_ops cxgb4_mgmt_ethtool_ops = {
                                 ^~~~~~~~~~~~~~~~~~~~~~

Move it into #ifdef block to fix this.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

hamradio: bpqether: Fix -Wunused-const-variable warning

If CONFIG_PROC_FS is n, gcc warns:

drivers/net/hamradio/bpqether.c:437:36:
 warning: ‘bpq_seqops’ defined but not used [-Wunused-const-variable=]
 static const struct seq_operations bpq_seqops = {
                                    ^~~~~~~~~~
Use #ifdef macro to gurad this.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net: stmmac: enable platform specific safety features

On Intel platforms, not all safety features are enabled on the hardware.
The current implementation enable all safety features by default. This
will cause mass error and warning printouts after the module is loaded.

Introduce platform specific safety features flag to enable or disable
each safety features.

Signed-off-by: Wong Vee Khee <vee.khee.wong@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

NFC: microread: Remove redundant assignment to variable err

In the case MICROREAD_CB_TYPE_READER_ALL clang reports a dead code
warning. The error code assigned to variable err is already passed
to async_cb(). The assignment is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Nigel Christian <nigel.l.christian@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Merge branch 'hdlc-cleanups'

Peng Li says:

====================
net: hdlc: clean up some code style issues

This patchset clean up some code style issues.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

net: hdlc: add braces {} to all arms of the statement

Braces {} should be used on all arms of this statement.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net: hdlc: move out assignment in if condition

Should not use assignment in if condition.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net: hdlc: replace comparison to NULL with "!param"

According to the chackpatch.pl, comparison to NULL could
be written "!param".

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net: hdlc: fix an code style issue about EXPORT_SYMBOL(foo)

According to the chackpatch.pl,
EXPORT_SYMBOL(foo); should immediately follow its function/variable.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net: hdlc: fix an code style issue about "foo* bar"

Fix the checkpatch error as "foo* bar" and should be "foo *bar".

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net: hdlc: add blank line after declarations

This patch fixes the checkpatch error about missing a blank line
after declarations.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net: hdlc: remove redundant blank lines

This patch removes some redundant blank lines.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Merge branch 'act_vlan-allow-modify-zero'

Boris Sukholitko says:

====================
net/sched: act_vlan: Fix modify to allow 0

Currently vlan modification action checks existence of vlan priority by
comparing it to 0. Therefore it is impossible to modify existing vlan
tag to have priority 0.

For example, the following tc command will change the vlan id but will
not affect vlan priority:

tc filter add dev eth1 ingress matchall action vlan modify id 300 \
        priority 0 pipe mirred egress redirect dev eth2

The incoming packet on eth1:

ethertype 802.1Q (0x8100), vlan 200, p 4, ethertype IPv4

will be changed to:

ethertype 802.1Q (0x8100), vlan 300, p 4, ethertype IPv4

although the user has intended to have p == 0.

The fix is to add tcfv_push_prio_exists flag to struct tcf_vlan_params
and rely on it when deciding to set the priority.

The same flag is used to avoid dumping unset vlan priority.

Change Log:
v3 -> v4:
- revert tcf_vlan_get_fill_size change: total size calculation may race vs dump

v2 -> v3:
- Push assumes that the priority is being set
- tcf_vlan_get_fill_size accounts for priority existence

v1 -> v2:
- Do not dump unset priority and fix tests accordingly
- Test for priority 0 modification
====================

Reviewed-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/sched: act_vlan: Test priority 0 modification

Because explicitly being set, the priority 0 should appear
in the output.

Signed-off-by: Boris Sukholitko <boris.sukholitko@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/sched: act_vlan: No dump for unset priority

Dump vlan priority only if it has been previously set.

Fix the tests accordingly.

Signed-off-by: Boris Sukholitko <boris.sukholitko@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/sched: act_vlan: Fix modify to allow 0

Currently vlan modification action checks existence of vlan priority by
comparing it to 0. Therefore it is impossible to modify existing vlan
tag to have priority 0.

For example, the following tc command will change the vlan id but will
not affect vlan priority:

tc filter add dev eth1 ingress matchall action vlan modify id 300 \
        priority 0 pipe mirred egress redirect dev eth2

The incoming packet on eth1:

ethertype 802.1Q (0x8100), vlan 200, p 4, ethertype IPv4

will be changed to:

ethertype 802.1Q (0x8100), vlan 300, p 4, ethertype IPv4

although the user has intended to have p == 0.

The fix is to add tcfv_push_prio_exists flag to struct tcf_vlan_params
and rely on it when deciding to set the priority.

Fixes: 45a497f2d149a4a8061c (net/sched: act_vlan: Introduce TCA_VLAN_ACT_MODIFY vlan action)
Signed-off-by: Boris Sukholitko <boris.sukholitko@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

octeontx2-af: Fix spelling mistake "vesion" -> "version"

There is a spelling mistake in a dev_warning message. Fix it.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

NFC: nci: Remove redundant assignment to len

Variable 'len' is set to conn_info->max_pkt_payload_len but this
value is never read as it is overwritten with a new value later on,
hence it is a redundant assignment and can be removed.

Clean up the following clang-analyzer warning:

net/nfc/nci/hci.c:164:3: warning: Value stored to 'len' is never read
[clang-analyzer-deadcode.DeadStores]

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net: vxge: Declare the function vxge_reset_all_vpaths as void

variable 'status' is unneeded and it's noneed to check the
return value of function vxge_reset_all_vpaths,so declare
it as void.

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

r8152: support pauseparam of ethtool_ops

Support get_pauseparam and set_pauseparam of ethtool_ops.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

qlcnic: Remove the repeated declaration

Function 'qlcnic_82xx_hw_write_wx_2M' is declared twice, so remove the
repeated declaration.

Cc: Shahed Shaikh <shshaikh@marvell.com>
Cc: Manish Chopra <manishc@marvell.com>
Cc: GR-Linux-NIC-Dev@marvell.com
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

fjes: Use DEFINE_RES_MEM() and DEFINE_RES_IRQ() to simplify code

No functional change.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net: enetc: catch negative return code from enetc_pf_to_port()

After the refactoring introduced in commit 87614b931c24 ("net: enetc:
create a common enetc_pf_to_port helper"), enetc_pf_to_port was coded up
to return -1 in case the passed PCIe device does not have a recognized
BDF.

Make sure the -1 value is checked by the callers, to appease static
checkers.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

netpoll: don't require irqs disabled in rt kernels

write_msg(netconsole.c:836) calls netpoll_send_udp after a call to
spin_lock_irqsave, which normally disables interrupts; but in PREEMPT_RT
this call just locks an rt_mutex without disabling irqs. In this case,
netpoll_send_udp is called with interrupts enabled.

Signed-off-by: Wander Lairson Costa <wander@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Merge branch 'marvell-prestera-firmware-3-0'

Vadym Kochan says:

====================
Marvell Prestera Switchdev initial updates for firmware version 3.0

This series adds minimal support for firmware version 3.0 which
has such changes like:

    - initial routing support

    - LAG support

    - events interrupt handling changes

Changes just make able to work with new firmware version but
supported features in driver will be added later.

New firmware version was recently merged into linux-firmware tree.

Added ability of loading previous fw major version if the latest one
is missing, also add support for previous FW ABI.

PATCH -> RFC:
    1) Load previous fw version if the latest one is missing (suggested by Andrew Lunn)

    2) Add support for previous FW ABI version (suggested by Andrew Lunn)

RFC v2:
    1) Get rid of automatic decrementing of
       major version but hard code it.

    2) Print error message with file path if
       previous FW could not be loaded.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

net: marvell: prestera: try to load previous fw version

Lets try to load previous fw version in case the latest one is missing on
existing system.

Signed-off-by: Vadym Kochan <vkochan@marvell.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

net: marvell: prestera: bump supported firmware version to 3.0

New firmware version has some ABI and feature changes like:

    - LAG support
    - initial L3 support
    - changed events handling logic

Signed-off-by: Vadym Kochan <vkochan@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net: marvell: prestera: align flood setting according to latest firmware version

Latest FW IPC flood message format was changed to configure uc/mc
flooding separately, so change code according to this.

Signed-off-by: Vadym Kochan <vkochan@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net: marvell: prestera: disable events interrupt while handling

There are change in firmware which requires that receiver will
disable event interrupts before handling them and enable them
after finish with handling. Events still may come into the queue
but without receiver interruption.

Signed-off-by: Vadym Kochan <vkochan@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net: neterion: fix doc warnings in s2io.c

Add description for may_sleep to fix the W=1 warnings:

  drivers/net/ethernet/neterion/s2io.c:1110: warning: Function parameter or member 'may_sleep' not described in 'init_tti'
  drivers/net/ethernet/neterion/s2io.c:3335: warning: Function parameter or member 'may_sleep' not described in 'wait_for_cmd_complete'
  drivers/net/ethernet/neterion/s2io.c:4881: warning: Function parameter or member 'may_sleep' not described in 's2io_set_multicast'

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

netfilter: fix clang-12 fmt string warnings

nf_conntrack_h323_main.c:198:6: warning: format specifies type 'unsigned short' but
xt_AUDIT.c:121:9: warning: format specifies type 'unsigned char' but the argument has type 'int' [-Wformat]

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

netfilter: nft_set_pipapo_avx2: fix up description warnings

W=1:
net/netfilter/nft_set_pipapo_avx2.c:159: warning: Excess function parameter 'len' description in 'nft_pipapo_avx2_refill'
net/netfilter/nft_set_pipapo_avx2.c:1124: warning: Function parameter or member 'key' not described in 'nft_pipapo_avx2_lookup'
net/netfilter/nft_set_pipapo_avx2.c:1124: warning: Excess function parameter 'elem' description in 'nft_pipapo_avx2_lookup'

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

Merge branch 'net-hns3-add-vlan-filter-control-support'

Huazhong Tan says:

====================
net: hns3: add VLAN filter control support

This patchset add VLAN filter control support for HNS3 driver.
====================

Link: https://lore.kernel.org/r/1622428725-30049-1-git-send-email-tanhuazhong@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net: hns3: add debugfs support for vlan configuration

Add debugfs support for vlan configuraion. create a single file
"vlan_config" for it, and query it by command "cat vlan_config",
return the result to userspace.

The new display style is below:
$ cat vlan_config
I_PORT_VLAN_FILTER: on
E_PORT_VLAN_FILTER: off
FUNC_ID  I_VF_VLAN_FILTER  E_VF_VLAN_FILTER  PORT_VLAN_FILTER_BYPASS
pf       off               on                off
vf0      off               on                off
FUNC_ID  PVID    ACCEPT_TAG1  ACCEPT_TAG2  ACCEPT_UNTAG1  ACCEPT_UNTAG2
pf       0       on           on           on             on
vf0      0       on           on           on             on

Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net: hns3: add support for VF modify VLAN filter state

Previously, there is hardware limitation for VF to modify
the VLAN filter state, and the VLAN filter state is default
enabled. Now the limitation has been removed in some device,
so add capability flag to check whether the device supports
modify VLAN filter state. If flag on, user will be able to
modify the VLAN filter state by ethtool -K.
VF needs to send mailbox to request the PF to modify the VLAN
filter state for it.

Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net: hns3: add query basic info support for VF

There are some features of VF depend on PF, so it's necessary
for VF to know whether PF supports. For compatibility, modify
the mailbox HCLGE_MBX_GET_TCINFO, extend its function, use to
get the basic information of PF, including mailbox api version
and PF capabilities.

Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net: hns3: add support for modify VLAN filter state

Previously, with hardware limitation, the port VLAN filter are
effective for both PF and its VFs simultaneously, so a single
function is not able to enable/disable separately, and the VLAN
filter state is default enabled. Now some device supports each
function to bypass port VLAN filter, then each function can
switch VLAN filter separately. Add capability flag to check
whether the device supports modify VLAN filter state. If flag
on, user will be able to modify the VLAN filter state by ethtool
-K.

Furtherly, the default VLAN filter state is also changed
according to whether non-zero VLAN used. Then the device can
receive packet with any VLAN tag if only VLAN 0 used.

The function hclge_need_enable_vport_vlan_filter() is used to
help implement above changes. And the VLAN filter handle for
promisc mode can also be simplified by this function.

Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net: hns3: refine function hclge_set_vf_vlan_cfg()

The struct hclge_vf_vlan_cfg is firstly designed for setting
VLAN filter tag. And it's reused for enable RX VLAN offload
later. It's strange to use member "is_kill" to indicate "enable".
So redefine the struct hclge_vf_vlan_cfg to adapt it.

For there are already 3 subcodes being used in function
hclge_set_vf_vlan_cfg(), use "switch-case" style for each
branch, rather than "if-else". Also simplify the assignment for
each branch to make it more clearly.

Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net: hns3: remove unnecessary updating port based VLAN

For the PF have called hclge_update_port_base_vlan_cfg() already
before notify VF, it's unnecessary to update port based VLAN again
when received mailbox request from VF.

Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net: hns3: refine for hclge_push_vf_port_base_vlan_info()

Use struct "hclge_vlan_info" instead of separately parameters
for function hclge_push_vf_port_base_vlan_info(), to make it
more concise.

Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net: hns3: add 'QoS' support for port based VLAN configuration

Currently, option "qos" is igored by HNS3 driver for command
"ip link set ethx vf <vf id> vlan <vlan id> qos <qos value>".
Add support for it.

Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

sctp: sm_statefuns: Fix spelling mistakes

Fix some spelling mistakes in comments:
genereate ==> generate
correclty ==> correctly
boundries ==> boundaries
failes ==> fails
isses ==> issues
assocition ==> association
signe ==> sign
assocaition ==> association
managemement ==> management
restransmissions ==> retransmission
sideffect ==> sideeffect
bomming ==> booming
chukns ==> chunks
SHUDOWN ==> SHUTDOWN
violationg ==> violating
explcitly ==> explicitly
CHunk ==> Chunk

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Link: https://lore.kernel.org/r/20210601020801.3625358-1-zhengyongjun3@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

rds: Fix spelling mistakes

Fix some spelling mistakes in comments:
alloced  ==> allocated

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Reviewed-by: Håkon Bugge <haakon.bugge@oracle.com>
Link: https://lore.kernel.org/r/20210531063617.3018637-1-zhengyongjun3@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net: sched: Fix spelling mistakes

Fix some spelling mistakes in comments:
sevaral  ==> several
sugestion  ==> suggestion
unregster  ==> unregister
suplied  ==> supplied
cirsumstances  ==> circumstances

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Link: https://lore.kernel.org/r/20210531020048.2920054-1-zhengyongjun3@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

nfc: hci: Fix spelling mistakes

Fix some spelling mistakes in comments:
occured  ==> occurred
negociate  ==> negotiate

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210531020019.2919799-1-zhengyongjun3@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Merge branch 'part-2-of-sja1105-dsa-driver-preparation-for-new-switch-introduction-sja1110'

Vladimir Oltean says:

====================
Part 2 of SJA1105 DSA driver preparation for new switch introduction (SJA1110)

This series is a continuation of:
https://patchwork.kernel.org/project/netdevbpf/cover/20210524131421.1030789-1-olteanv@gmail.com/

even though it isn't the first time these patches are submitted (they
were part of the group previously called "Add NXP SJA1110 support to the
sja1105 DSA driver"):
https://patchwork.kernel.org/project/netdevbpf/cover/20210526135535.2515123-1-vladimir.oltean@nxp.com/

but I broke that up again since these patches are already reviewed, for
the most part. There are no changes compared to v2 and v1.

This series of patches contains:

- an adaptation of the driver to the new "ethernet-ports" OF node name
- an adaptation of the driver to support more than 1 SGMII port
- a generalization of the supported phy_interface_t values per port
- an adaptation to encode SPEED_10, SPEED_100, SPEED_1000 into the
  hardware registers differently depending on switch revision
- a consolidation of the PHY interface type used for RGMII and another
  one for the API exposed for sja1105_dynamic_config_read()
====================

Link: https://lore.kernel.org/r/20210530225939.772553-1-olteanv@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net: dsa: sja1105: some table entries are always present when read dynamically

The SJA1105 has a static configuration comprised of a number of tables
with entries. Some of these can be read and modified at runtime as well,
through the dynamic configuration interface.

As a careful reader can notice from the comments in this file, the
software interface for accessing a table entry through the dynamic
reconfiguration is a bit of a no man's land, and varies wildly across
switch generations and even from one kind of table to another.

I have tried my best to come up with a software representation of a
'common denominator' SPI command to access a table entry through the
dynamic configuration interface:

struct sja1105_dyn_cmd {
bool search;
u64 valid; /* must be set to 1 */
u64 rdwrset; /* 0 to read, 1 to write */
u64 errors;
u64 valident; /* 0 if entry is invalid, 1 if valid */
u64 index;
};

Relevant to this patch is the VALIDENT bit, which for READ commands is
populated by the switch and lets us know if we're looking at junk or at
a real table entry.

In SJA1105, the dynamic reconfiguration interface for management routes
has notably not implemented the VALIDENT bit, leading to a workaround to
ignore this field in sja1105_dynamic_config_read(), as it will be set to
zero, but the data is valid nonetheless.

In SJA1110, this pattern has sadly been abused to death, and while there
are many more tables which can be read back over the dynamic config
interface compared to SJA1105, their handling isn't in any way more
uniform. Generally speaking, if there is a single possible entry in a
given table, and loading that table in the static config is mandatory as
per the documentation, then the VALIDENT bit is deemed as redundant and
more than likely not implemented.

So it is time to make the workaround more official, and add a bit to the
flags implemented by dynamic config tables. It will be used by more
tables when SJA1110 support arrives.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net: dsa: sja1105: always keep RGMII ports in the MAC role

In SJA1105, the xMII Mode Parameters Table field called PHY_MAC denotes
the 'role' of the port, be it a PHY or a MAC. This makes a difference in
the MII and RMII protocols, but RGMII is symmetric, so either PHY or MAC
settings result in the same hardware behavior.

The SJA1110 is different, and the RGMII ports only work when configured
in MAC mode, so keep the port roles in MAC mode unconditionally.

Why we had an RGMII port in the PHY role in the first place was because
we wanted to have a way in the driver to denote whether RGMII delays
should be applied based on the phy-mode property or not. This is already
done in sja1105_parse_rgmii_delays() based on an intermediary
struct sja1105_dt_port (which contains the port role). So it is a
logical fallacy to use the hardware configuration as a scratchpad for
driver data, it isn't necessary.

We can also remove the gating condition for applying RGMII delays only
for ports in the PHY role. The .setup_rgmii_delay() method looks at
the priv->rgmii_rx_delay[port] and priv->rgmii_tx_delay[port] properties
which are already populated properly (in the case of a port in the MAC
role they are false). Removing this condition generates a few more SPI
writes for these ports (clearing the RGMII delays) which are perhaps
useless for SJA1105P/Q/R/S, where we know that the delays are disabled
by default. But for SJA1110, the firmware on the embedded microcontroller
might have done something funny, so it's always a good idea to clear the
RGMII delays if that's what Linux expects.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net: dsa: sja1105: add a translation table for port speeds

In order to support the new speed of 2500Mbps, the SJA1110 has achieved
the great performance of changing the encoding in the MAC Configuration
Table for the port speeds of 10, 100, 1000 compared to SJA1105.

Because this is a common driver, we need a layer of indirection in order
to program the hardware with the right values irrespective of switch
generation.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net: dsa: sja1105: add a PHY interface type compatibility matrix

On the SJA1105, all ports support the parallel "xMII" protocols (MII,
RMII, RGMII) except for port 4 on SJA1105R/S which supports only SGMII.
This was relatively easy to model, by special-casing the SGMII port.

On the SJA1110, certain ports can be pinmuxed between SGMII and xMII, or
between SGMII and an internal 100base-TX PHY. This creates problems,
because the driver's assumption so far was that if a port supports
SGMII, it uses SGMII.

We allow the device tree to tell us how the port pinmuxing is done, and
check that against a PHY interface type compatibility matrix for
plausibility.

The other big change is that instead of doing SGMII configuration based
on what the port supports, we do it based on what is the configured
phy_mode of the port.

The 2500base-x support added in this patch is not complete.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net: dsa: sja1105: cache the phy-mode port property

So far we've succeeded in operating without keeping a copy of the
phy-mode in the driver, since we already have the static config and we
can look at the xMII Mode Parameters Table which already holds that
information.

But with the SJA1110, we cannot make the distinction between sgmii and
2500base-x, because to the hardware's static config, it's all SGMII.
So add a phy_mode property per port inside struct sja1105_private.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net: dsa: sja1105: the 0x1F0000 SGMII "base address" is actually MDIO_MMD_VEND2

Looking at the SGMII PCS from SJA1110, which is accessed indirectly
through a different base address as can be seen in the next patch, it
appears odd that the address accessed through indirection still
references the base address from the SJA1105S register map (first MDIO
register is at 0x1f0000), when it could index the SGMII registers
starting from zero.

Except that the 0x1f0000 is not a base address at all, it seems. It is
0x1f << 16 | 0x0000, and 0x1f is coding for the vendor-specific MMD2.
So, it turns out, the Synopsys PCS implements all its registers inside
the vendor-specific MMDs 1 and 2 (0x1e and 0x1f). This explains why the
PCS has no overlaps (for the other MMDs) with other register regions of
the switch (because no other MMDs are implemented).

Change the code to remove the SGMII "base address" and explicitly encode
the MMD for reads/writes. This will become necessary for SJA1110 support.

Cc: Russell King <linux@armlinux.org.uk>
Cc: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net: dsa: sja1105: allow SGMII PCS configuration to be per port

The SJA1105 R and S switches have 1 SGMII port (port 4). Because there
is only one such port, there is no "port" parameter in the configuration
code for the SGMII PCS.

However, the SJA1110 can have up to 4 SGMII ports, each with its own
SGMII register map. So we need to generalize the logic.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net: dsa: sja1105: be compatible with "ethernet-ports" OF node name

Since commit f2f3e09396be ("net: dsa: sja1105: be compatible with
"ethernet-ports" OF node name"), DSA supports the "ethernet-ports" name
for the container node of the ports, but the sja1105 driver doesn't,
because it handles some device tree parsing of its own.

Add the second node name as a fallback.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

bnx2x: Remove the repeated declaration

Function 'bnx2x_vfpf_release' is declared twice, so remove the
repeated declaration.

Cc: Ariel Elior <aelior@marvell.com>
Cc: GR-everest-linux-l2@marvell.com
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Acked-by: Sudarsana Reddy Kalluru <skalluru@marvell.com>
Link: https://lore.kernel.org/r/1622449756-2627-1-git-send-email-zhangshaokun@hisilicon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

ipv6: align code with context

The Tab key is used three times, causing the code block to
be out of alignment with the context.

Signed-off-by: Rocco Yue <rocco.yue@mediatek.com>
Link: https://lore.kernel.org/r/20210530113811.8817-1-rocco.yue@mediatek.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Merge branch 'net-sealevel-clean-up-some-code-style-issues'

Guangbin Huang says:

====================
net: sealevel: clean up some code style issues

This patchset clean up some code style issues.
====================

Link: https://lore.kernel.org/r/1622355874-18933-1-git-send-email-huangguangbin2@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net: sealevel: fix the alignment issue

Alignment should match open parenthesis.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net: sealevel: fix the comments style issue

Networking block comments don't use an empty /* line,
use /* Comment...

Block comments use * on subsequent lines.
Block comments use a trailing */ on a separate line.

This patch fixes the comments style issues.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net: sealevel: remove meaningless comments

Remove the meaningless stylistically wrong comment.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net: sealevel: fix a code style issue about switch and case

According to the chackpatch.pl, switch and case should be
at the same indent.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>