- 29 Mar, 2024 39 commits
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Pavan Chebbi authored
Use a new default 1 second timeout value instead of the existing 1 msec value. The driver will keep track of the remaining time before timeout and will pass this value to bnxt_hwrm_port_ts_query(). The firmware supports timeout values up to 65535 usecs. If the timeout value passed to bnxt_hwrm_port_ts_query() is less than the FW max value, we will use that value to precisely control the specified timeout. If it is larger than the FW max value, we will use the FW max value and any additional retry to reach the desired timeout will be done in the context of bnxt_ptp_ts_aux_eork(). Link: https://lore.kernel.org/netdev/20240229070202.107488-2-michael.chan@broadcom.com/ Cc: Richard Cochran <richardcochran@gmail.com> Reviewed-by:
Andy Gospodarek <andrew.gospodarek@broadcom.com> Signed-off-by:
Pavan Chebbi <pavan.chebbi@broadcom.com> Signed-off-by:
Michael Chan <michael.chan@broadcom.com> Reviewed-by:
Vadim Fedorenko <vadim.fedorenko@linux.dev> Link: https://lore.kernel.org/r/20240325222902.220712-3-michael.chan@broadcom.comSigned-off-by:
Jakub Kicinski <kuba@kernel.org>
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Michael Chan authored
The caller can pass this new timeout parameter to the function to specify the firmware timeout value when requesting the TX timestamp from the firmware. This will allow the caller to precisely control the timeout and will be used in the next patch. In this patch, the parameter is 0 which means to use the current default value. Cc: Richard Cochran <richardcochran@gmail.com> Reviewed-by:
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Jakub Kicinski authored
Romain Gantois says: ==================== Fix missing PHY-to-MAC RX clock There is an issue with some stmmac/PHY combinations that has been reported some time ago in a couple of different series: Clark Wang's report: https://lore.kernel.org/all/20230202081559.3553637-1-xiaoning.wang@nxp.com/ Clément Léger's report: https://lore.kernel.org/linux-arm-kernel/20230116103926.276869-4-clement.leger@bootlin.com/ Stmmac controllers require an RX clock signal from the MII bus to perform their hardware initialization successfully. This causes issues with some PHY/PCS devices. If these devices do not bring the clock signal up before the MAC driver initializes its hardware, then said initialization will fail. This can happen at probe time or when the system wakes up from a suspended state. This series introduces new flags for phy_device and phylink_pcs. These flags allow MAC drivers to signal to PHY/PCS drivers that the RX clock signal should be enabled as soon as possible, and that it should always stay enabled. I have included specific uses of these flags that fix the RZN1 GMAC1 stmmac driver that I am currently working on and that is not yet upstream. I have also included changes to the at803x PHY driver that should fix the issue that Clark Wang was having. ==================== Link: https://lore.kernel.org/r/20240326-rxc_bugfix-v6-0-24a74e5c761f@bootlin.comSigned-off-by:
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Romain Gantois authored
The GMAC1 controller in the RZN1 IP requires the RX MII clock signal to be started before it initializes its own hardware, thus before it calls phylink_start. Implement the pcs_pre_init() callback so that the RX clock signal can be enabled early if necessary. Reported-by:
Clément Léger <clement.leger@bootlin.com> Link: https://lore.kernel.org/linux-arm-kernel/20230116103926.276869-4-clement.leger@bootlin.com/Signed-off-by:
Romain Gantois <romain.gantois@bootlin.com> Reviewed-by:
Andrew Lunn <andrew@lunn.ch> Link: https://lore.kernel.org/r/20240326-rxc_bugfix-v6-7-24a74e5c761f@bootlin.comSigned-off-by:
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Russell King (Oracle) authored
Stmmac controllers connected to an at803x PHY cannot resume properly after suspend when WoL is enabled. This happens because the MAC requires an RX clock generated by the PHY to initialize its hardware properly. But the RX clock is cut when the PHY suspends and isn't brought up until the MAC driver resumes the phylink. Prevent the at803x PHY driver from going into suspend if the attached MAC driver always requires an RX clock signal. Reported-by:
Clark Wang <xiaoning.wang@nxp.com> Link: https://lore.kernel.org/all/20230202081559.3553637-1-xiaoning.wang@nxp.com/Signed-off-by:
Russell King (Oracle) <rmk+kernel@armlinux.org.uk> [rgantois: commit log] Signed-off-by:
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Romain Gantois authored
There is a reocurring issue with stmmac controllers where the MAC fails to initialize its hardware if an RX clock signal isn't provided on the MAC/PHY link. This causes issues when PHY or PCS devices either go into suspend while cutting the RX clock or do not bring the clock signal up early enough for the MAC to initialize successfully. Set the mac_requires_rxc flag in the stmmac phylink config so that PHY/PCS drivers know to keep the RX clock up at all times. Reported-by:
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Romain Gantois authored
Global stmmac support for early initialization of PCS devices requires a generic PCS reference that can be passed to phylink_pcs_pre_init(). Currently, the mac_device_info struct contains only one PCS field, which is specific to the Lynx model. As PCS models are hardware-specific, it is more appropriate to have a generic PCS field in the mac_device_info struct. Refactor the lynx_pcs field into a generic phylink_pcs field. Signed-off-by:
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Maxime Chevallier authored
When initializing attached PHYs, there are some cases where we don't expect any PHY to be connected. The logic uses conditions based on various local PCS configuration, but also calls-in phylink_expects_phy() via stmmac_init_phy(), which is enough to ensure we don't try to initialize a PHY when using a Lynx PCS, as long as we have the phy_interface set to a 802.3z mode and are using inband negociation. Drop the lynx check, making the stmmac generic code more pcs_lynx-agnostic. Signed-off-by:
Maxime Chevallier <maxime.chevallier@bootlin.com> [rgantois: commit log] Signed-off-by:
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Romain Gantois authored
Some MAC drivers (e.g. stmmac) require a continuous receive clock signal to be generated by a PCS that is handled by a standalone PCS driver. Such a PCS driver does not have access to a PHY device, thus cannot check the PHY_F_RXC_ALWAYS_ON flag. They cannot check max_requires_rxc in the phylink config either, since it is a private member. Therefore, a new flag is needed to signal to the PCS that it should keep the RX clock signal up at all times. Co-developed-by:
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Russell King (Oracle) authored
Some MAC controllers (e.g. stmmac) require their connected PHY to continuously provide a receive clock signal. This can cause issues in two cases: 1. The clock signal hasn't been started yet by the time the MAC driver initializes its hardware. This can make the initialization fail, as in the case of the rzn1 GMAC1 driver. 2. The clock signal is cut during a power saving event. By the time the MAC is brought back up, the clock signal is still not active since phylink_start hasn't been called yet. This brings us back to case 1. If a PHY driver reads this flag, it should ensure that the receive clock signal is started as soon as possible, and that it isn't brought down when the PHY goes into suspend. Signed-off-by: -
Jakub Kicinski authored
Alexander Lobakin says: ==================== compiler_types: add Endianness-dependent __counted_by_{le,be} Some structures contain flexible arrays at the end and the counter for them, but the counter has explicit Endianness and thus __counted_by() can't be used directly. To increase test coverage for potential problems without breaking anything, introduce __counted_by_{le,be} defined depending on platform's Endianness to either __counted_by() when applicable or noop otherwise. The first user will be virtchnl2.h from idpf just as example with 9 flex structures having Little Endian counters. Maybe it would be a good idea to introduce such attributes on compiler level if possible, but for now let's stop on what we have. ==================== Link: https://lore.kernel.org/r/20240327142241.1745989-1-aleksander.lobakin@intel.comSigned-off-by: -
Alexander Lobakin authored
Both virtchnl2.h and its consumer idpf_virtchnl.c are very error-prone. There are 10 structures with flexible arrays at the end, but 9 of them has flex member counter in Little Endian. Make the code a bit more robust by applying __counted_by_le() to those 9. LE platforms is the main target for this driver, so they would receive additional protection. While we're here, add __counted_by() to virtchnl2_ptype::proto_id, as its counter is `u8` regardless of the Endianness. Compile test on x86_64 (LE) didn't reveal any new issues after applying the attributes. Acked-by:
Kees Cook <keescook@chromium.org> Acked-by:
Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by:
Alexander Lobakin <aleksander.lobakin@intel.com> Reviewed-by:
Przemek Kitszel <przemyslaw.kitszel@intel.com> Link: https://lore.kernel.org/r/20240327142241.1745989-4-aleksander.lobakin@intel.comSigned-off-by:
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Alexander Lobakin authored
To ease maintaining of virtchnl2.h, which already is messy enough, make it self-contained by adding missing if_ether.h include due to %ETH_ALEN usage. At the same time, virtchnl2_lan_desc.h is not used anywhere in the file, so move this include to idpf_txrx.h to speed up C preprocessing. Acked-by:
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Alexander Lobakin authored
Some structures contain flexible arrays at the end and the counter for them, but the counter has explicit Endianness and thus __counted_by() can't be used directly. To increase test coverage for potential problems without breaking anything, introduce __counted_by_{le,be}() defined depending on platform's Endianness to either __counted_by() when applicable or noop otherwise. Maybe it would be a good idea to introduce such attributes on compiler level if possible, but for now let's stop on what we have. Acked-by: -
Jakub Kicinski authored
__napi_alloc_skb() is napi_alloc_skb() with the added flexibility of choosing gfp_mask. This is a NAPI function, so GFP_ATOMIC is implied. The only practical choice the caller has is whether to set __GFP_NOWARN. But that's a false choice, too, allocation failures in atomic context will happen, and printing warnings in logs, effectively for a packet drop, is both too much and very likely non-actionable. This leads me to a conclusion that most uses of napi_alloc_skb() are simply misguided, and should use __GFP_NOWARN in the first place. We also have a "standard" way of reporting allocation failures via the queue stat API (qstats::rx-alloc-fail). The direct motivation for this patch is that one of the drivers used at Meta calls napi_alloc_skb() (so prior to this patch without __GFP_NOWARN), and the resulting OOM warning is the top networking warning in our fleet. Reviewed-by:
Simon Horman <horms@kernel.org> Reviewed-by:
Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20240327040213.3153864-1-kuba@kernel.orgSigned-off-by:
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Bjorn Helgaas authored
qed_init_pci() used pci_params.pm_cap only to cache the pci_dev.pm_cap. Drop the cache and use pci_dev.pm_cap directly. Signed-off-by:
Bjorn Helgaas <bhelgaas@google.com> Reviewed-by:
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John Fraker authored
This counter counts the number of times get_ptype_map is executed on the admin queue, and was previously missing from the stats report. Signed-off-by:
John Fraker <jfraker@google.com> Reviewed-by:
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Jakub Kicinski authored
Niklas Söderlund says: ==================== ravb: Support describing the MDIO bus This series adds support to the binding and driver of the Renesas Ethernet AVB to described the MDIO bus. Currently the driver uses the OF node of the device itself when registering the MDIO bus. This forces any MDIO bus properties the MDIO core should react on to be set on the device OF node. This is confusing and none of the MDIO bus properties are described in the Ethernet AVB bindings. Patch 1/2 extends the bindings with an optional mdio child-node to the device that can be used to contain the MDIO bus settings. While patch 2/2 changes the driver to use this node (if present) when registering the MDIO bus. If the new optional mdio child-node is not present the driver fallback to the old behavior and uses the device OF node like before. This change is fully backward compatible with existing usage of the bindings. ==================== Link: https://lore.kernel.org/r/20240325153451.2366083-1-niklas.soderlund+renesas@ragnatech.seSigned-off-by:
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Niklas Söderlund authored
The driver used the DT node of the device itself when registering the MDIO bus. While this works, it creates a problem: it forces any MDIO bus properties to also be set on the devices DT node. This mixes the properties of two distinctly different things and is confusing. This change adds support for an optional mdio node to be defined as a child to the device DT node. The child node can then be used to describe MDIO bus properties that the MDIO core can act on when registering the bus. If no mdio child node is found the driver fallback to the old behavior and register the MDIO bus using the device DT node. This change is backward compatible with old bindings in use. Signed-off-by:
Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Reviewed-by:
Sergey Shtylyov <s.shtylyov@omp.ru> Reviewed-by:
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Niklas Söderlund authored
The Renesas Ethernet AVB bindings do not allow the MDIO bus to be described. This has not been needed as only a single PHY is supported and no MDIO bus properties have been needed. Add an optional mdio node to the binding which allows the MDIO bus to be described and allow bus properties to be set. Signed-off-by:
Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20240325153451.2366083-2-niklas.soderlund+renesas@ragnatech.seSigned-off-by:
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Jakub Kicinski authored
Hangbin Liu says: ==================== doc/netlink/specs: Add vlan support Add vlan support in rt_link spec. ==================== Link: https://lore.kernel.org/r/20240327123130.1322921-1-liuhangbin@gmail.comSigned-off-by:
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Hangbin Liu authored
With command: # ./tools/net/ynl/cli.py \ --spec Documentation/netlink/specs/rt_link.yaml \ --do getlink --json '{"ifname": "eno1.2"}' --output-json | \ jq -C '.linkinfo' Before: Exception: No message format for 'vlan' in sub-message spec 'linkinfo-data-msg' After: { "kind": "vlan", "data": { "protocol": "8021q", "id": 2, "flag": { "flags": [ "reorder-hdr" ], "mask": "0xffffffff" }, "egress-qos": { "mapping": [ { "from": 1, "to": 2 }, { "from": 4, "to": 4 } ] } } } Signed-off-by:Hangbin Liu <liuhangbin@gmail.com> Reviewed-by:
Donald Hunter <donald.hunter@gmail.com> Link: https://lore.kernel.org/r/20240327123130.1322921-3-liuhangbin@gmail.comSigned-off-by:
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Hangbin Liu authored
Some times it would be convenient to read the integer as hex, like mask values. Suggested-by:
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Jakub Kicinski authored
Petr Machata says: ==================== selftests: Fixes for kernel CI As discussed on the bi-weekly call on Jan 30, and in mailing around kernel CI effort, some changes are desirable in the suite of forwarding selftests the better to work with the CI tooling. Namely: - The forwarding selftests use a configuration file where names of interfaces are defined and various variables can be overridden. There is also forwarding.config.sample that users can use as a template to refer to when creating the config file. What happens a fair bit is that users either do not know about this at all, or simply forget, and are confused by cryptic failures about interfaces that cannot be created. In patches #1 - #3 have lib.sh just be the single source of truth with regards to which variables exist. That includes the topology variables which were previously only in the sample file, and any "tweak variables", such as what tools to use, sleep times, etc. forwarding.config.sample then becomes just a placeholder with a couple examples. Unless specific HW should be exercised, or specific tools used, the defaults are usually just fine. - Several net/forwarding/ selftests (and one net/ one) cannot be run on veth pairs, they need an actual HW interface to run on. They are generic in the sense that any capable HW should pass them, which is why they have been put to net/forwarding/ as opposed to drivers/net/, but they do not generalize to veth. The fact that these tests are in net/forwarding/, but still complaining when run, is confusing. In patches #4 - #6 move these tests to a new directory drivers/net/hw. - The following patches extend the codebase to handle well test results other than pass and fail. Patch #7 is preparatory. It converts several log_test_skip to XFAIL, so that tests do not spuriously end up returning non-0 when they are not supposed to. In patches #8 - #10, introduce some missing ksft constants, then support having those constants in RET, and then finally in EXIT_STATUS. - The traffic scheduler tests generate a large amount of network traffic to test the behavior of the scheduler. This demands a relatively high-performance computer. On slow machines, such as with a debugging kernel, the test would spuriously fail. It can still be useful to "go through the motions" though, to possibly catch bugs in setup of the scheduler graph and passing packets around. Thus we still want to run the tests, just with lowered demands. To that end, in patches #11 - #12, introduce an environment variable KSFT_MACHINE_SLOW, with obvious meaning. Tests can then make checks more lenient, such as mark failures as XFAIL. A helper, xfail_on_slow, is provided to mark performance-sensitive parts of the selftest. - In patch #13, use a similar mechanism to mark a NH group stats selftest to XFAIL HW stats tests when run on VETH pairs. - All these changes complicate the hitherto straightforward logging and checking logic, so in patch #14, add a selftest that checks this functionality in lib.sh. v1 (vs. an RFC circulated through linux-kselftest): - Patch #9: - Clarify intended usage by s/set_ret/ret_set_ksft_status/, s/nret/ksft_status/ ==================== Link: https://lore.kernel.org/r/cover.1711464583.git.petrm@nvidia.comSigned-off-by: -
Petr Machata authored
Rerunning various scenarios to make sure lib.sh changes do not impact the observable behavior is no fun. Add a selftest at least for the bare basics -- the mechanics of setting RET, retmsg, and EXIT_STATUS. Since the selftest itself uses lib.sh, it would be possible to break lib.sh in such a way that invalidates result of the selftest. Since the metatest only uses the bare basics (just pass/fail), hopefully such fundamental breakages would be noticed. Signed-off-by:
Petr Machata <petrm@nvidia.com> Link: https://lore.kernel.org/r/6d25cedbf2d4b83614944809a34fe023fbe8db38.1711464583.git.petrm@nvidia.comSigned-off-by:
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Petr Machata authored
When the NH group stats tests are currently run on a veth topology, the HW-stats leg of each test is SKIP'ped. But kernel networking CI interprets skips as a sign that tooling is missing, and prompts maintainer investigation. Lack of capability to pass a test should be expressed as XFAIL. Selftests that require HW should normally be put in drivers/net/hw, but doing so for the NH counter selftests would just lead to a lot of duplicity. So instead, introduce a helper, xfail_on_veth(), which can be used to mark selftests that should XFAIL instead of FAILing when run on a veth topology. On non-veth topology, they don't do anything. Use the helper in the HW-stats part of router_mpath_nh_lib selftest. Signed-off-by:
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Petr Machata authored
When run on a slow machine, the scheduler traffic tests can be expected to fail, and should be reported as XFAIL in that case. Therefore run these tests through the perf_sensitive wrapper. Signed-off-by:
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Petr Machata authored
Several tests in the suite use large amounts of traffic to e.g. cause congestion and evaluate RED or shaper performance. These tests will not run well on a slow machine, be it one with heavy debug kernel, or a VM, or e.g. a single-board computer. Allow users to specify an environment variable, KSFT_MACHINE_SLOW=yes, to indicate that the tests are being run on one such machine. Performance sensitive tests can then use a new helper, xfail_on_slow(), to mark parts of the test that are sensitive to low-performance machines. The helper can be used to just mark the whole suite, like so: xfail_on_slow tests_run ... or, on the other side of the granularity spectrum, to override individual checks: xfail_on_slow check_err $? "Expected much, got little." Signed-off-by:
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Petr Machata authored
In a previous patch, the interpretation of RET value was changed to mean the kselftest framework constant with the test outcome: $ksft_pass, $ksft_xfail, etc. Update log_test() to recognize the various possible RET values. Then have EXIT_STATUS track the RET value of the current test. This differs subtly from the way RET tracks the value: while for RET we want to recognize XFAIL as a separate status, for purposes of exit code, we want to to conflate XFAIL and PASS, because they both communicate non-failure. Thus add a new helper, ksft_exit_status_merge(). With this log_test_skip() and log_test_xfail() can be reexpressed as thin wrappers around log_test. Signed-off-by:
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Petr Machata authored
The variable RET keeps track of whether the test under execution has so far failed or not. Currently it works in binary fashion: zero means everything is fine, non-zero means something failed. log_test() then uses the value to given a human-readable message. In order to allow log_test() to report skips and xfails, the semantics of RET need to be more fine-grained. Therefore have RET value be one of kselftest framework constants: $ksft_fail, $ksft_xfail, etc. The current logic in check_err() is such that first non-zero value of RET trumps all those that follow. But that is not right when RET has more fine-grained value semantics. Different outcomes have different weights. The results of PASS and XFAIL are mostly the same: they both communicate a test that did not go wrong. SKIP communicates lack of tooling, which the user should go and try to fix, and as such should not be overridden by the passes. So far, the higher-numbered statuses can be considered weightier. But FAIL should be the weightiest. Add a helper, ksft_status_merge(), which merges two statuses in a way that respects the above conditions. Express it in a generic manner, because exit status merge is subtly different, and we want to reuse the same logic. Use the new helper when setting RET in check_err(). Re-express check_fail() in terms of check_err() to avoid duplication. Signed-off-by:
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Petr Machata authored
The following patches will operate with more exit codes besides ksft_skip. Add them here. Additionally, move a duplicated skip exit code definition from forwarding/tc_tunnel_key.sh. Keep a similar duplicate in forwarding/devlink_lib.sh, because even though lib.sh will have been sourced in all cases where devlink_lib is, the inclusion is not visible in the file itself, and relying on it would be confusing. Cc: Davide Caratti <dcaratti@redhat.com> Signed-off-by:
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Petr Machata authored
The SKIP return should be used for cases where tooling of the machine under test is lacking. For cases where HW is lacking, the appropriate outcome is XFAIL. This is the case with ethtool_rmon and mlxsw_lib. For these, introduce a new helper, log_test_xfail(). Do the same for router_mpath_nh_lib. Note that it will be fixed using a more reusable way in a following patch. For the two resource_scale selftests, the log should simply not be written, because there is no problem. Cc: Tobias Waldekranz <tobias@waldekranz.com> Signed-off-by:
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Petr Machata authored
Since the selftests that are not supposed to run on veth pairs are now in their own dedicated directory, the skip_on_veth logic can go away. Drop it from the selftests, and from lib.sh. Cc: Danielle Ratson <danieller@nvidia.com> Signed-off-by:
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Petr Machata authored
The tests in net/forwarding are generally expected to be HW-independent. There are however several tests that, while not depending on any HW in particular, nevertheless depend on being used on HW interfaces. Placing these selftests to net/forwarding is confusing, because the selftest will just report it can't be run on veth pairs. At the same time, placing them to a particular driver's selftests subdirectory would be wrong. Instead, add a new directory, drivers/net/hw, where these generic but HW independent selftests should be placed. Move over several such tests including one helper library. Since typically these tests will not be expected to run, omit the directory drivers/net/hw from the TARGETS list in selftests/Makefile. Retain a Makefile in the new directory itself, so that a user can make -C into that directory and act on those tests explicitly. Cc: Roger Quadros <rogerq@kernel.org> Cc: Tobias Waldekranz <tobias@waldekranz.com> Cc: Danielle Ratson <danieller@nvidia.com> Cc: Davide Caratti <dcaratti@redhat.com> Cc: Johannes Nixdorf <jnixdorf-oss@avm.de> Suggested-by:
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Petr Machata authored
This library is always sourced in the context where lib.sh has already been sourced as well. Therefore drop the explicit sourcing and expect the client to already have done it. This will simplify moving some of the clients to a different directory. Signed-off-by:
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Petr Machata authored
That any sort of customization is possible at all, let alone how it should be done, is currently not at all clear. Document the whats and hows in README. Signed-off-by:
Benjamin Poirier <bpoirier@nvidia.com> Link: https://lore.kernel.org/r/e819623af6aaeea49e9dc36cecd95694fad73bb8.1711464583.git.petrm@nvidia.comSigned-off-by:
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Petr Machata authored
forwarding.config.sample, net/lib.sh and net/forwarding/lib.sh contain definitions and redefinitions of some of the same variables. The overlap between net/forwarding/lib.sh and forwarding.config.sample is especially large. This duplication is a potential source of confusion and problems. It would be overall less error prone if each variable were defined in one place only. In this patch set, that place is the library itself. Therefore move all comments from forwarding.config.sample to net/forwarding/lib.sh. Move over also a definition of TC_FLAG, which was missing from lib.sh entirely. Additionally, add to lib.sh a default definition of the topology variables. The logic behind this is that forgetting to specify forwarding.config was a frequent source of frustration for the selftest users. But really, most of the time the default veth based topology is just fine. We considered just sourcing forwarding.config.sample instead if forwarding.config is not available, but this is a cleaner solution. That means the syntax of the forwarding.config.sample override has to change to an array assignment, so that the whole variable is overwritten, not just individual keys, which could leave the value of some keys unchanged. Do the same in lib.sh for any cut'n'pasters out there. The config file is then given a sort of carte blanche to redefine whatever variables it sees fit from the libraries. This is described in a comment in the file. Only a handful of variables are left behind, to illustrate the customization. The fact that the variables are now missing from forwarding.config.sample, and therefore would miss from forwarding.config derived from that file as well, should not change anything. This is just the sample file. Users that keep their own forwarding.config would retain it as before. The only observable change is introduction of TC_FLAG to lib.sh, because now the filters would not be attempted to install to HW datapath. For veth pairs this does not change anything. For HW deployments, users presumably have forwarding.config with this value overridden. Signed-off-by:
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Petr Machata authored
The current syntax of X=${X:=X} first evaluates the ${X:=Y} expression, which either uses the existing value of $X if there is one, or uses the value of "Y" as a fallback, and assigns it to X. The expression is then replaced with the now-current value of $X. Assigning that value to X once more is meaningless. So avoid the outer X=... bit, and instead express the same idea though the do-nothing ":" built-in as : "${X:=Y}". This also cleans up the block nicely and makes it more readable. Signed-off-by: -
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski authored
Cross-merge networking fixes after downstream PR. No conflicts, or adjacent changes. Signed-off-by:
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- 28 Mar, 2024 1 commit
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds authored
Pull networking fixes from Paolo Abeni: "Including fixes from bpf, WiFi and netfilter. Current release - regressions: - ipv6: fix address dump when IPv6 is disabled on an interface Current release - new code bugs: - bpf: temporarily disable atomic operations in BPF arena - nexthop: fix uninitialized variable in nla_put_nh_group_stats() Previous releases - regressions: - bpf: protect against int overflow for stack access size - hsr: fix the promiscuous mode in offload mode - wifi: don't always use FW dump trig - tls: adjust recv return with async crypto and failed copy to userspace - tcp: properly terminate timers for kernel sockets - ice: fix memory corruption bug with suspend and rebuild - at803x: fix kernel panic with at8031_probe - qeth: handle deferred cc1 Previous releases - always broken: - bpf: fix bug in BPF_LDX_MEMSX - netfilter: reject table flag and netdev basechain updates - inet_defrag: prevent sk release while still in use - wifi: pick the version of SESSION_PROTECTION_NOTIF - wwan: t7xx: split 64bit accesses to fix alignment issues - mlxbf_gige: call request_irq() after NAPI initialized - hns3: fix kernel crash when devlink reload during pf initialization" * tag 'net-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (81 commits) inet: inet_defrag: prevent sk release while still in use Octeontx2-af: fix pause frame configuration in GMP mode net: lan743x: Add set RFE read fifo threshold for PCI1x1x chips net: bcmasp: Remove phy_{suspend/resume} net: bcmasp: Bring up unimac after PHY link up net: phy: qcom: at803x: fix kernel panic with at8031_probe netfilter: arptables: Select NETFILTER_FAMILY_ARP when building arp_tables.c netfilter: nf_tables: skip netdev hook unregistration if table is dormant netfilter: nf_tables: reject table flag and netdev basechain updates netfilter: nf_tables: reject destroy command to remove basechain hooks bpf: update BPF LSM designated reviewer list bpf: Protect against int overflow for stack access size bpf: Check bloom filter map value size bpf: fix warning for crash_kexec selftests: netdevsim: set test timeout to 10 minutes net: wan: framer: Add missing static inline qualifiers mlxbf_gige: call request_irq() after NAPI initialized tls: get psock ref after taking rxlock to avoid leak selftests: tls: add test with a partially invalid iov tls: adjust recv return with async crypto and failed copy to userspace ...
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