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Handle adding and removing MDB entries for host
Signed-off-by: Casper Andersson <casper.casan@gmail.com>
Link: https://lore.kernel.org/r/20220503093922.1630804-1-casper.casan@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Vladimir Oltean says:
====================
Ocelot VCAP cleanups
This is a series of minor code cleanups brought to the Ocelot switch
driver logic for VCAP filters.
- don't use list_for_each_safe() in ocelot_vcap_filter_add_to_block
- don't use magic numbers for OCELOT_POLICER_DISCARD
====================
Link: https://lore.kernel.org/r/20220503120150.837233-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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OCELOT_POLICER_DISCARD helps "kill dropped packets dead" since a
PERMIT/DENY mask mode with a port mask of 0 isn't enough to stop the CPU
port from receiving packets removed from the forwarding path.
The hardcoded initialization done for it in ocelot_vcap_init() is
confusing. All we need from it is to have a rate and a burst size of 0.
Reuse qos_policer_conf_set() for that purpose.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The "port" argument is used for nothing else except printing on the
error path. Print errors on behalf of the policer index, which is less
confusing anyway.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Unify the code paths for adding to an empty list and to a list with
elements by keeping a "pos" list_head element that indicates where to
insert. Initialize "pos" with the list head itself in case
list_for_each_entry() doesn't iterate over any element.
Note that list_for_each_safe() isn't needed because no element is
removed from the list while iterating.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This makes no functional difference but helps in minimizing the delta
for a future change.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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list_add(..., pos->prev) and list_add_tail(..., pos) are equivalent, use
the later form to unify with the case where the list is empty later.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In commit 4fdabd509df3 ("dt-bindings: net: lan966x: remove PHY reset")
the PHY reset was removed, but I failed to remove it from the example.
Fix it.
Fixes: 4fdabd509df3 ("dt-bindings: net: lan966x: remove PHY reset")
Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Michael Walle <michael@walle.cc>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220503132038.2714128-1-michael@walle.cc
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Creating a new netdevice allocates at least ~50Kb of memory for various
kernel objects, but only ~5Kb of them are accounted to memcg. As a result,
creating an unlimited number of netdevice inside a memcg-limited container
does not fall within memcg restrictions, consumes a significant part
of the host's memory, can cause global OOM and lead to random kills of
host processes.
The main consumers of non-accounted memory are:
~10Kb 80+ kernfs nodes
~6Kb ipv6_add_dev() allocations
6Kb __register_sysctl_table() allocations
4Kb neigh_sysctl_register() allocations
4Kb __devinet_sysctl_register() allocations
4Kb __addrconf_sysctl_register() allocations
Accounting of these objects allows to increase the share of memcg-related
memory up to 60-70% (~38Kb accounted vs ~54Kb total for dummy netdevice
on typical VM with default Fedora 35 kernel) and this should be enough
to somehow protect the host from misuse inside container.
Other related objects are quite small and may not be taken into account
to minimize the expected performance degradation.
It should be separately mentonied ~300 bytes of percpu allocation
of struct ipstats_mib in snmp6_alloc_dev(), on huge multi-cpu nodes
it can become the main consumer of memory.
This patch does not enables kernfs accounting as it affects
other parts of the kernel and should be discussed separately.
However, even without kernfs, this patch significantly improves the
current situation and allows to take into account more than half
of all netdevice allocations.
Signed-off-by: Vasily Averin <vvs@openvz.org>
Acked-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/354a0a5f-9ec3-a25c-3215-304eab2157bc@openvz.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Ido Schimmel says:
====================
mlxsw: Various updates
Patches #1-#3 add missing topology diagrams in selftests and perform
small cleanups.
Patches #4-#5 make small adjustments in QoS configuration. See detailed
description in the commit messages.
Patches #6-#8 reduce the number of background EMAD transactions. The
driver periodically queries the device (via EMAD transactions) about
updates that cannot happen in certain situations. This can negatively
impact the latency of time critical transactions, as the device is busy
processing other transactions.
Before:
# perf stat -a -e devlink:devlink_hwmsg -- sleep 10
Performance counter stats for 'system wide':
452 devlink:devlink_hwmsg
10.009736160 seconds time elapsed
After:
# perf stat -a -e devlink:devlink_hwmsg -- sleep 10
Performance counter stats for 'system wide':
0 devlink:devlink_hwmsg
10.001726333 seconds time elapsed
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver periodically queries the device for activity of neighbour
entries in order to report it to the kernel's neighbour table.
Avoid unnecessary activity query when no neighbours are installed. Use
an atomic variable to track the number of neighbours, as it is read
without any locks.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver periodically queries the device for FDB notifications (e.g.,
learned, aged-out) in order to update the bridge driver. These
notifications can only be generated when bridges are offloaded to the
device.
Avoid unnecessary queries by starting to query upon installation of the
first bridge and stop querying upon removal of the last bridge.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver periodically queries the device for activity of ACL rules in
order to report it to tc upon 'FLOW_CLS_STATS'.
In Spectrum-2 and later ASICs, multicast routes are programmed as ACL
rules, but unlike rules installed by tc, their activity is of no
interest.
Avoid unnecessary activity query for such rules by always reporting them
as inactive.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When trapping packets for on-CPU processing, Spectrum machines
differentiate between control and non-control traps. Traffic trapped
through non-control traps is treated as data and kept in shared buffer in
pools 0-4. Traffic trapped through control traps is kept in the dedicated
control buffer 9. The advantage of marking traps as control is that
pressure in the data plane does not prevent the control traffic to be
processed.
When the LLDP trap was introduced, it was marked as a control trap. But
then in commit aed4b5721143 ("mlxsw: spectrum: PTP: Hook into packet
receive path"), PTP traps were introduced. Because Ethernet-encapsulated
PTP packets look to the Spectrum-1 ASIC as LLDP traffic and are trapped
under the LLDP trap, this trap was reconfigured as non-control, in sync
with the PTP traps.
There is however no requirement that PTP traffic be handled as data.
Besides, the usual encapsulation for PTP traffic is UDP, not bare Ethernet,
and that is in deployments that even need PTP, which is far less common
than LLDP. This is reflected by the default policer, which was not bumped
up to the 19Kpps / 24Kpps that is the expected load of a PTP-enabled
Spectrum-1 switch.
Marking of LLDP trap as non-control was therefore probably misguided. In
this patch, change it back to control.
Reported-by: Maksym Yaremchuk <maksymy@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The idea behind the warnings is that the user would get warned in case when
more than one priority is configured for a given DSCP value on a netdevice.
The warning is currently wrong, because dcb_ieee_getapp_mask() returns
the first matching entry, not all of them, and the warning will then claim
that some priority is "current", when in fact it is not.
But more importantly, the warning is misleading in general. Consider the
following commands:
# dcb app flush dev swp19 dscp-prio
# dcb app add dev swp19 dscp-prio 24:3
# dcb app replace dev swp19 dscp-prio 24:2
The last command will issue the following warning:
mlxsw_spectrum3 0000:07:00.0 swp19: Ignoring new priority 2 for DSCP 24 in favor of current value of 3
The reason is that the "replace" command works by first adding the new
value, and then removing all old values. This is the only way to make the
replacement without causing the traffic to be prioritized to whatever the
chip defaults to. The warning is issued in response to adding the new
priority, and then no warning is shown when the old priority is removed.
The upshot is that the canonical way to change traffic prioritization
always produces a warning about ignoring the new priority, but what gets
configured is in fact what the user intended.
An option to just emit warning every time that the prioritization changes
just to make it clear that it happened is obviously unsatisfactory.
Therefore, in this patch, remove the warnings.
Reported-by: Maksym Yaremchuk <maksymy@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It is customary for selftests to have a comment with a topology diagram,
which serves to illustrate the situation in which the test is done. This
selftest lacks it. Add it.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It is customary for selftests to have a comment with a topology diagram,
which serves to illustrate the situation in which the test is done. This
selftest lacks it. Add it.
While at it, fix the list of tests so that the test names are enumerated
one at a line.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A number of mlxsw-specific QoS tests use manual QoS DCB management. As
such, they need to make sure lldpad is not running, because it would
override the configuration the test has applied using other tools. To that
end, these selftests invoke the bail_on_lldpad() helper, which terminates
the selftest if th lldpad is running.
Some of these tests however first install the bash exit trap, which invokes
a cleanup() at the test exit. If bail_on_lldpad() has terminated the script
even before the setup part was run, the cleanup part will be very confused.
Therefore make sure bail_on_lldpad() is invoked before the cleanup is
registered.
While there are still edge cases where the user terminates the script
before the setup was fully done, this takes care of a common situation
where the cleanup would be invoked in an inconsistent state.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Martin Habets says:
====================
sfc: Move Siena into a separate subdirectory
The Siena NICs (SFN5000 and SFN6000 series) went EOL in November 2021.
Most of these adapters have been remove from our test labs, and testing
has been reduced to a minimum.
This patch series creates a separate kernel module for the Siena architecture,
analogous to what was done for Falcon some years ago.
This reduces our maintenance for the sfc.ko module, and allows us to
enhance the EF10 and EF100 drivers without the risk of breaking Siena NICs.
After this series further enhancements are needed to differentiate the
new kernel module from sfc.ko, and the Siena code can be removed from sfc.ko.
Thes will be posted as a small follow-up series.
The Siena module is not built by default, but can be enabled
using Kconfig option SFC_SIENA. This will create module sfc-siena.ko.
Patches
Patch 1 disables the Siena code in the sfc.ko module.
Patches 2-6 establish the code base for the Siena driver.
Patches 7-12 ensure the allyesconfig build succeeds.
Patch 13 adds the basic Siena module.
I do not expect patch 2 through 5 to be reviewed, they are FYI only.
No checkpatch issues were resolved as part of these, but they
were fixed in the subsequent patches.
Testing
Various build tests were done such as allyesconfig, W=1 and sparse.
The new sfc-siena.ko and sfc.ko modules were tested on a machine with both
these NICs in them, and several tests were run on both drivers.
Martin
---
v3:
- Fix build errors after rebase.
v2:
- Split up patch that copies existing files.
- Only copy a subset of mcdi_pcol.h.
- Use --find-copies-harder as suggested by Benjamin Poirier.
- Merge several patches for the allyesconfig build into larger ones.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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For Siena we do not need new messages that were defined
for the EF100 architecture. Several debug messages have
also been removed.
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Disable the build of Siena code until later in this patch series.
Prevent sfc.ko from binding to Siena NICs.
efx_init_sriov/efx_fini_sriov is only used for Siena. Remove calls
to those.
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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mlx5-updates-2022-05-03
Leon Romanovsky Says:
=====================
Extra IPsec cleanup
After FPGA IPsec removal, we can go further and make sure that flow
steering logic is aligned to mlx5_core standard together with deep
cleaning of whole IPsec path.
=====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Mat Martineau says:
====================
mptcp: Userspace path manager API
Userspace path managers (PMs) make use of generic netlink MPTCP events
and commands to control addition and removal of MPTCP subflows on an
existing MPTCP connection. The path manager events have already been
upstream for a while, and this patch series adds four netlink commands
for userspace:
* MPTCP_PM_CMD_ANNOUNCE: advertise an address that's available for
additional subflow connections.
* MPTCP_PM_CMD_REMOVE: revoke an advertisement
* MPTCP_PM_CMD_SUBFLOW_CREATE: initiate a new subflow on an existing MPTCP
connection
* MPTCP_PM_CMD_SUBFLOW_DESTROY: close a subflow on an existing MPTCP
connection
Userspace path managers, such as mptcpd, can be more easily customized
for different devices. The in-kernel path manager remains available to
handle server use cases.
Patches 1-3 update common path manager code (used by both in-kernel and
userspace PMs)
Patches 4, 6, and 8 implement the new generic netlink commands.
Patches 5, 7, and 9-13 add self test support and test cases for the new
path manager commands.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This change adds a selftest script that performs a comprehensive
behavioral/functional test of all userspace PM capabilities by exercising
all the newly added APIs and changes to support said capabilities.
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Kishen Maloor <kishen.maloor@intel.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This change updates the "pm_nl_ctl" testing sample with a
"listen" option to bind a MPTCP listening socket to the
provided addr+port. This option is exercised in testing
subflow initiation scenarios in conjunction with userspace
path managers where the MPTCP application does not hold an
active listener to accept requests for new subflows.
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Kishen Maloor <kishen.maloor@intel.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This change adds to self-testing support for the MPTCP netlink interface
by capturing various MPTCP netlink events (and all their metadata)
associated with connections, subflows and address announcements.
It is used in self-testing scripts that exercise MPTCP netlink commands
to precisely validate those operations by examining the dispatched
MPTCP netlink events in response to those commands.
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Kishen Maloor <kishen.maloor@intel.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This change updates the "pm_nl_ctl" testing sample with a "dsf"
(destroy subflow) option to support the newly added netlink interface
command MPTCP_PM_CMD_SUBFLOW_DESTROY over the chosen MPTCP connection.
E.g. ./pm_nl_ctl dsf lip 10.0.2.1 lport 44567 rip 10.0.2.2 rport 56789
token 823274047
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Kishen Maloor <kishen.maloor@intel.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This change updates the "pm_nl_ctl" testing sample with a "csf"
(create subflow) option to support the newly added netlink interface
command MPTCP_PM_CMD_SUBFLOW_CREATE over the chosen MPTCP connection.
E.g. ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2 rport 56789
token 823274047
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Kishen Maloor <kishen.maloor@intel.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This allows userspace to tell kernel to add a new subflow to an existing
mptcp connection.
Userspace provides the token to identify the mptcp-level connection
that needs a change in active subflows and the local and remote
addresses of the new or the to-be-removed subflow.
MPTCP_PM_CMD_SUBFLOW_CREATE requires the following parameters:
{ token, { loc_id, family, loc_addr4 | loc_addr6 }, { family, rem_addr4 |
rem_addr6, rem_port }
MPTCP_PM_CMD_SUBFLOW_DESTROY requires the following parameters:
{ token, { family, loc_addr4 | loc_addr6, loc_port }, { family, rem_addr4 |
rem_addr6, rem_port }
Acked-by: Paolo Abeni <pabeni@redhat.com>
Co-developed-by: Kishen Maloor <kishen.maloor@intel.com>
Signed-off-by: Kishen Maloor <kishen.maloor@intel.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This change updates the "pm_nl_ctl" testing sample with a "rem"
(remove) option to support the newly added netlink interface command
MPTCP_PM_CMD_REMOVE to issue a REMOVE_ADDR signal over the
chosen MPTCP connection.
E.g. ./pm_nl_ctl rem token 823274047 id 23
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Kishen Maloor <kishen.maloor@intel.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This change adds a MPTCP netlink command for issuing a
REMOVE_ADDR signal for an address over the chosen MPTCP
connection from a userspace path manager.
The command requires the following parameters: {token, loc_id}.
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Kishen Maloor <kishen.maloor@intel.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This change updates the "pm_nl_ctl" testing sample with an "ann"
(announce) option to support the newly added netlink interface command
MPTCP_PM_CMD_ANNOUNCE to issue ADD_ADDR advertisements over the
chosen MPTCP connection.
E.g. ./pm_nl_ctl ann 192.168.122.75 token 823274047 id 25 dev enp1s0
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Kishen Maloor <kishen.maloor@intel.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This change adds a MPTCP netlink interface for issuing
ADD_ADDR advertisements over the chosen MPTCP connection from a
userspace path manager.
The command requires the following parameters:
{ token, { loc_id, family, daddr4 | daddr6 [, dport] } [, if_idx],
flags[signal] }.
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Kishen Maloor <kishen.maloor@intel.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Next patch will need to parse MPTCP_PM_ATTR_ADDR attributes and
fill an mptcp_addr_info structure from a different genl command
callback.
To avoid copy-paste, split the existing function to a helper
that does the common part and then call the helper from the
(renamed)mptcp_pm_parse_entry function.
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This change introduces a parallel path in the kernel for retrieving
the local id, flags, if_index for an addr entry in the context of
an MPTCP connection that's being managed by a userspace PM. The
userspace and in-kernel PM modes deviate in their procedures for
obtaining this information.
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Kishen Maloor <kishen.maloor@intel.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This change adds an internal function to store/retrieve local
addrs announced by userspace PM implementations to/from its kernel
context. The function addresses the requirements of three scenarios:
1) ADD_ADDR announcements (which require that a local id be
provided), 2) retrieving the local id associated with an address,
and also where one may need to be assigned, and 3) reissuance of
ADD_ADDRs when there's a successful match of addr/id.
The list of all stored local addr entries is held under the
MPTCP sock structure. Memory for these entries is allocated from
the sock option buffer, so the list of addrs is bounded by optmem_max.
The list if not released via REMOVE_ADDR signals is ultimately
freed when the sock is destructed.
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Kishen Maloor <kishen.maloor@intel.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, all released FW versions support only two IPsec object
modifiers, and modify_field_select get and set same value with
proper bits.
However, it is not future compatible, as new FW can have more
modifiers and "default" will cause to overwrite not-changed fields.
Fix it by setting explicitly fields that need to be overwritten.
Fixes: 7ed92f97a1ad ("net/mlx5e: IPsec: Add Connect-X IPsec ESN update offload support")
Signed-off-by: Huy Nguyen <huyn@nvidia.com>
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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There is no need to perform extra lookup in order to get already
known sec_path that was set a couple of lines above. Simply reuse it.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Remove everything that is not used or from mlx5_accel_esp_xfrm_attrs,
together with change type of spi to store proper type from the beginning.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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mlx5 doesn't allow to configure any AEAD ICV length other than 128,
so remove the logic that configures other unsupported values.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Reduce number of hard-coded IPsec capabilities by making sure
that mlx5_ipsec_device_caps() sets only supported bits.
As part of this change, remove _ACCEL_ notations from the capabilities
names as they represent IPsec-capable device, so it is aligned with
MLX5_CAP_IPSEC() macro. And prepare the code to IPsec full offload mode.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Device that lacks proper IPsec capabilities won't pass mlx5e_ipsec_init()
later, so no need to advertise HW netdev offload support for something that
isn't going to work anyway.
Fixes: 8ad893e516a7 ("net/mlx5e: Remove dependency in IPsec initialization flows")
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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The IPsec FS code was implemented with anti-pattern there failures
in create functions left the system with dangling pointers that were
cleaned in global routines.
The less error prone approach is to make sure that failed function
cleans everything internally.
As part of this change, we remove the batch of one liners and rewrite
get/put functions to remove ambiguity.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Reuse existing struct to pass parameters instead of open code them.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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SA context logic used multiple structures to store same data
over and over. By simplifying the SA context interfaces, we
can remove extra structs.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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This change cleanups the mlx5 esp interface.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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The mlx5 IPsec code has logical separation between code that operates
with XFRM objects (ipsec.c), HW objects (ipsec_offload.c), flow steering
logic (ipsec_fs.c) and data path (ipsec_rxtx.c).
Such separation makes sense for C-files, but isn't needed at all for
H-files as they are included in batch anyway.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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All callers build xfrm attributes with help of mlx5e_ipsec_build_accel_xfrm_attrs()
function that ensure validity of attributes. There is no need to recheck
them again.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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mlx5 IPsec code updated ESN through workqueue with allocation calls
in the data path, which can be saved easily if the work is created
during XFRM state initialization routine.
The locking used later in the work didn't protect from anything because
change of HW context is possible during XFRM state add or delete only,
which can cancel work and make sure that it is not running.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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There is no need in one-liners wrappers to call internal functions.
Let's remove them.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Casper Andersson
Jakub Kicinski
Vladimir Oltean
Michael Walle
Vasily Averin
David S. Miller
Ido Schimmel
Petr Machata
Martin Habets
Martin Habets
Kishen Maloor
Florian Westphal
Leon Romanovsky