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>
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>
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>
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>
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.
=====================
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Merge tag 'mlx5-updates-2022-05-03' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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: 7ed92f97a1 ("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>
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>
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>
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>
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>
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: 8ad893e516 ("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>
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>
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>
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>
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>
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>
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>
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>
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>
The XFRM code performs fallback to software IPsec if .xdo_dev_state_add()
returns -EOPNOTSUPP. This is what mlx5 did very deep in its stack trace,
despite have all the knowledge that IPsec is not going to work in very
early stage.
This is achieved by making sure that priv->ipsec pointer is valid for
fully working and supported hardware crypto IPsec engine.
In case, the hardware IPsec is not supported, the XFRM code will set NULL
to xso->dev and it will prevent from calls to various .xdo_dev_state_*()
callbacks.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Ensure that flow steering is usable as early as possible, to understand
if crypto IPsec is supported or not.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Remove multiple function wrappers to make sure that IPsec FS initialization
and cleanup functions present in one place to help with code readability.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
First set of patches for v5.19 and this is a big one. We have two new
drivers, a change in mac80211 STA API affecting most drivers and
ath11k getting support for WCN6750. And as usual lots of fixes and
cleanups all over.
Major changes:
new drivers
* wfx: silicon labs devices
* plfxlc: pureLiFi X, XL, XC devices
mac80211
* host based BSS color collision detection
* prepare sta handling for IEEE 802.11be Multi-Link Operation (MLO) support
rtw88
* support TP-Link T2E devices
rtw89
* support firmware crash simulation
* preparation for 8852ce hardware support
ath11k
* Wake-on-WLAN support for QCA6390 and WCN6855
* device recovery (firmware restart) support for QCA6390 and WCN6855
* support setting Specific Absorption Rate (SAR) for WCN6855
* read country code from SMBIOS for WCN6855/QCA6390
* support for WCN6750
wcn36xx
* support for transmit rate reporting to user space
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Merge tag 'wireless-next-2022-05-03' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v5.19
First set of patches for v5.19 and this is a big one. We have two new
drivers, a change in mac80211 STA API affecting most drivers and
ath11k getting support for WCN6750. And as usual lots of fixes and
cleanups all over.
Major changes:
new drivers
- wfx: silicon labs devices
- plfxlc: pureLiFi X, XL, XC devices
mac80211
- host based BSS color collision detection
- prepare sta handling for IEEE 802.11be Multi-Link Operation (MLO) support
rtw88
- support TP-Link T2E devices
rtw89
- support firmware crash simulation
- preparation for 8852ce hardware support
ath11k
- Wake-on-WLAN support for QCA6390 and WCN6855
- device recovery (firmware restart) support for QCA6390 and WCN6855
- support setting Specific Absorption Rate (SAR) for WCN6855
- read country code from SMBIOS for WCN6855/QCA6390
- support for WCN6750
wcn36xx
- support for transmit rate reporting to user space
* tag 'wireless-next-2022-05-03' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (228 commits)
rtw89: 8852c: rfk: add DPK
rtw89: 8852c: rfk: add IQK
rtw89: 8852c: rfk: add RX DCK
rtw89: 8852c: rfk: add RCK
rtw89: 8852c: rfk: add TSSI
rtw89: 8852c: rfk: add LCK
rtw89: 8852c: rfk: add DACK
rtw89: 8852c: rfk: add RFK tables
plfxlc: fix le16_to_cpu warning for beacon_interval
rtw88: remove a copy of the NAPI_POLL_WEIGHT define
carl9170: tx: fix an incorrect use of list iterator
wil6210: use NAPI_POLL_WEIGHT for napi budget
ath10k: remove a copy of the NAPI_POLL_WEIGHT define
ath11k: Add support for WCN6750 device
ath11k: Datapath changes to support WCN6750
ath11k: HAL changes to support WCN6750
ath11k: Add QMI changes for WCN6750
ath11k: Fetch device information via QMI for WCN6750
ath11k: Add register access logic for WCN6750
ath11k: Add HW params for WCN6750
...
====================
Link: https://lore.kernel.org/r/20220503153622.C1671C385A4@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Most drivers should not have to worry about selecting the right
weight for their NAPI instances and pass NAPI_POLL_WEIGHT.
It'd be best if we didn't require the argument at all and selected
the default internally.
This change prepares the ground for such reshuffling, allowing
for a smooth transition. The following API should remain after
the next release cycle:
netif_napi_add()
netif_napi_add_weight()
netif_napi_add_tx()
netif_napi_add_tx_weight()
Where the _weight() variants take an explicit weight argument.
I opted for a _weight() suffix rather than a __ prefix, because
we use __ in places to mean that caller needs to also issue a
synchronize_net() call.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/20220502232703.396351-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Test basic (port-default, VLAN PCP and IP DSCP) QoS classification for
Ocelot switches. Advanced QoS classification using tc filters is covered
by tc_flower_chains.sh in the same directory.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20220502155424.4098917-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Mat Martineau says:
====================
mptcp: Userspace path manager prerequisites
This series builds upon the path manager mode selection changes merged
in 4994d4fa99 ("Merge branch 'mptcp-path-manager-mode-selection'") to
further modify the path manager code in preparation for adding the new
netlink commands to announce/remove advertised addresses and
create/destroy subflows of an MPTCP connection. The third and final
patch series for the userspace path manager will implement those
commands as discussed in
https://lore.kernel.org/netdev/23ff3b49-2563-1874-fa35-3af55d3088e7@linux.intel.com/#r
Patches 1, 5, and 7 remove some internal constraints on path managers
(in general) without changing in-kernel PM behavior.
Patch 2 adds a self test to validate MPTCP address advertisement ack
behavior.
Patches 3, 4, and 6 add new attributes to existing MPTCP netlink events
and track internal state for populating those attributes.
====================
Link: https://lore.kernel.org/r/20220502205237.129297-1-mathew.j.martineau@linux.intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This change allows userspace PM implementations to reissue ADD_ADDR
announcements (if necessary) based on their chosen policy.
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: Jakub Kicinski <kuba@kernel.org>
This change records the 'server_side' attribute of MPTCP_EVENT_CREATED
and MPTCP_EVENT_ESTABLISHED events to inform their recipient about the
Client/Server role of the running MPTCP application.
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/246
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: Jakub Kicinski <kuba@kernel.org>
This change updates internal logic to permit subflows to be
established from either the client or server ends of MPTCP
connections. This symmetry and added flexibility may be
harnessed by PM implementations running on either end in
creating new subflows.
The essence of this change lies in not relying on the
"server_side" flag (which continues to be available if needed).
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: Jakub Kicinski <kuba@kernel.org>
Per RFC 8684, if no port is specified in an ADD_ADDR message, MPTCP
SHOULD attempt to connect to the specified address on the same port
as the port that is already in use by the subflow on which the
ADD_ADDR signal was sent.
To facilitate that, this change reflects the specific remote port in
use by that subflow in MPTCP_EVENT_ANNOUNCED events.
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: Jakub Kicinski <kuba@kernel.org>
This change reads the addr id assigned to the remote endpoint
of a subflow from the MP_JOIN SYN/ACK message and stores it
in the related subflow context. The remote id was not being
captured prior to this change, and will now provide a consistent
view of remote endpoints and their ids as seen through netlink
events.
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: Jakub Kicinski <kuba@kernel.org>
Check userspace PM behavior to ensure ADD_ADDR echoes are only sent when
there is an active userspace daemon. If the daemon is restarting or
hasn't loaded yet, the missing echo will cause the peer to retransmit
the ADD_ADDR - and hopefully the daemon will be ready to receive it at
that later time.
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Current limits on the # of addresses/subflows must apply only to
in-kernel PM managed sockets. Thus this change removes such
restrictions on connections overseen by non-kernel (e.g. userspace)
PMs. This change also ensures that the kernel does not record stats
inside struct mptcp_pm_data updated along kernel code paths when exercised
via non-kernel PMs.
Additionally, address announcements are acknolwedged and subflow
requests are honored only when it's deemed that a userspace path
manager is active at the time.
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: Jakub Kicinski <kuba@kernel.org>
1) Trivial Misc updates to mlx5 driver
2) From Mark Bloch: Flow steering, general steering refactoring/cleaning
An issue with flow steering deletion flow (when creating a rule without
dests) turned out to be easy to fix but during the fix some issue
with the flow steering creation/deletion flows have been found.
The following patch series tries to fix long standing issues with flow
steering code and hopefully preventing silly future bugs.
A) Fix an issue where a proper dest type wasn't assigned.
B) Refactor and fix dests enums values, refactor deletion
function and do proper bookkeeping of dests.
C) Change mlx5_del_flow_rules() to delete rules when there are no
no more rules attached associated with an FTE.
D) Don't call hard coded deletion function but use the node's
defined one.
E) Add a WARN_ON() to catch future bugs when an FTE with dests
is deleted.
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Merge tag 'mlx5-updates-2022-05-02' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2022-05-02
1) Trivial Misc updates to mlx5 driver
2) From Mark Bloch: Flow steering, general steering refactoring/cleaning
An issue with flow steering deletion flow (when creating a rule without
dests) turned out to be easy to fix but during the fix some issue
with the flow steering creation/deletion flows have been found.
The following patch series tries to fix long standing issues with flow
steering code and hopefully preventing silly future bugs.
A) Fix an issue where a proper dest type wasn't assigned.
B) Refactor and fix dests enums values, refactor deletion
function and do proper bookkeeping of dests.
C) Change mlx5_del_flow_rules() to delete rules when there are no
no more rules attached associated with an FTE.
D) Don't call hard coded deletion function but use the node's
defined one.
E) Add a WARN_ON() to catch future bugs when an FTE with dests
is deleted.
* tag 'mlx5-updates-2022-05-02' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux:
net/mlx5: fs, an FTE should have no dests when deleted
net/mlx5: fs, call the deletion function of the node
net/mlx5: fs, delete the FTE when there are no rules attached to it
net/mlx5: fs, do proper bookkeeping for forward destinations
net/mlx5: fs, add unused destination type
net/mlx5: fs, jump to exit point and don't fall through
net/mlx5: fs, refactor software deletion rule
net/mlx5: fs, split software and IFC flow destination definitions
net/mlx5e: TC, set proper dest type
net/mlx5e: Remove unused mlx5e_dcbnl_build_rep_netdev function
net/mlx5e: Drop error CQE handling from the XSK RX handler
net/mlx5: Print initializing field in case of timeout
net/mlx5: Delete redundant default assignment of runtime devlink params
net/mlx5: Remove useless kfree
net/mlx5: use kvfree() for kvzalloc() in mlx5_ct_fs_smfs_matcher_create
====================
Link: https://lore.kernel.org/r/
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Ido Schimmel says:
====================
mlxsw: Remove size limitations on egress descriptor buffer
Petr says:
Spectrum machines have two resources related to keeping packets in an
internal buffer: bytes (allocated in cell-sized units) for packet payload,
and descriptors, for keeping headers. Currently, mlxsw only configures the
bytes part of the resource management.
Spectrum switches permit a full parallel configuration for the descriptor
resources, including port-pool and port-TC-pool quotas. By default, these
are all configured to use pool 14, with an infinite quota. The ingress pool
14 is then infinite in size.
However, egress pool 14 has finite size by default. The size is chip
dependent, but always much lower than what the chip actually permits. As a
result, we can easily construct workloads that exhaust the configured
descriptor limit.
Going forward, mlxsw will have to fix this issue properly by maintaining
descriptor buffer sizes, TC bindings, and quotas that match the
architecture recommendation. Short term, fix the issue by configuring the
egress descriptor pool to be infinite in size as well. This will maintain
the same configuration philosophy, but will unlock all chip resources to be
usable.
In this patchset, patch #1 first adds the "desc" field into the pool
configuration register. Then in patch #2, the new field is used to
configure both ingress and egress pool 14 as infinite.
In patches #3 and #4, add a selftest that verifies that a large burst
can be absorbed by the shared buffer. This test specifically exercises a
scenario where descriptor buffer is the limiting factor and the test
fails without the above patches.
====================
Link: https://lore.kernel.org/r/20220502084926.365268-1-idosch@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Add a test that sends 1Gbps of traffic through the switch, into which it
then injects a burst of traffic and tests that there are no drops.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>