| Commit message (Collapse) | Author | Age | Files | Lines |
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network: reconfigure interface when renamed
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When at least one of the name, MAC address, udev properties, and so on
for an interface is updated, try to find a matching .network file, and
reconfigure if a new .network file is assigned.
Fixes #24975.
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No functional changes, just refactoring and preparation for later
commits.
Note, `link->dev` should always exist when link state is initialized or
later.
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We have already allowed to reconfigure failed interface manually, but
not allowed to do automatically, e.g. on carrier gain.
This makes that failed interfaces also reconfigured automatically.
Note, the condition is inversed to shorten the condition.
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The function `link_reconfigure_impl()` has the same condition at the
beginning.
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Otherwise, the slave interface may go down, especially when the master
is bond.
Fixes #25067.
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Repart is growing into an important tool on its own, and users might
want to install newer versions on systems that have older systemd. Let's
make this easier by providing a standalone binary.
Related to https://github.com/systemd/mkosi/issues/1228.
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On various ARM systems, it is possible to find devices on AMBA bus.
This is defined in Linux kernel drivers/amba/bus.c as separate bus
type. Udev currently does not recognize this when building ID_PATH
which leads to ID_PATH containing the suffix from next recognized
parent device. On ST STM32MP15xx with SDIO WiFi, the ID_PATH looks
like 'platform-soc', which is not unique and basically useless. On
NXP i.MX8M Plus with SDIO WiFi, ID_PATH is 'platform-30b40000.mmc'
which is far more useful.
Add the 'amba' subsystem handling the same way 'platform' subsystem
is handled to get ID_PATH 'platform-soc-amba-48004000.sdmmc' on the
former, which is far more useful compared to 'platform-soc'.
---
```
$ udevadm info --attribute-walk --path=/devices/platform/soc/48004000.mmc/mmc_host/mmc1/mmc1:0001/mmc1:0001:1/net/wlan0
Udevadm info starts with the device specified by the devpath and then
walks up the chain of parent devices. It prints for every device
found, all possible attributes in the udev rules key format.
A rule to match, can be composed by the attributes of the device
and the attributes from one single parent device.
looking at device '/devices/platform/soc/48004000.mmc/mmc_host/mmc1/mmc1:0001/mmc1:0001:1/net/wlan0':
KERNEL=="wlan0"
SUBSYSTEM=="net"
DRIVER==""
ATTR{addr_assign_type}=="0"
ATTR{addr_len}=="6"
ATTR{address}=="10:98:c3:5f:4b:80"
ATTR{broadcast}=="ff:ff:ff:ff:ff:ff"
ATTR{carrier_changes}=="1"
ATTR{carrier_down_count}=="1"
ATTR{carrier_up_count}=="0"
ATTR{dev_id}=="0x0"
ATTR{dev_port}=="0"
ATTR{flags}=="0x1002"
ATTR{gro_flush_timeout}=="0"
ATTR{ifalias}==""
ATTR{ifindex}=="3"
ATTR{iflink}=="3"
ATTR{link_mode}=="0"
ATTR{mtu}=="1500"
ATTR{napi_defer_hard_irqs}=="0"
ATTR{netdev_group}=="0"
ATTR{operstate}=="down"
ATTR{power/control}=="auto"
ATTR{power/runtime_active_time}=="0"
ATTR{power/runtime_status}=="unsupported"
ATTR{power/runtime_suspended_time}=="0"
ATTR{proto_down}=="0"
ATTR{queues/rx-0/rps_cpus}=="0"
ATTR{queues/rx-0/rps_flow_cnt}=="0"
ATTR{queues/tx-0/byte_queue_limits/hold_time}=="1000"
ATTR{queues/tx-0/byte_queue_limits/inflight}=="0"
ATTR{queues/tx-0/byte_queue_limits/limit}=="0"
ATTR{queues/tx-0/byte_queue_limits/limit_max}=="1879048192"
ATTR{queues/tx-0/byte_queue_limits/limit_min}=="0"
ATTR{queues/tx-0/tx_maxrate}=="0"
ATTR{queues/tx-0/tx_timeout}=="0"
ATTR{queues/tx-0/xps_rxqs}=="0"
ATTR{statistics/collisions}=="0"
ATTR{statistics/multicast}=="0"
ATTR{statistics/rx_bytes}=="0"
ATTR{statistics/rx_compressed}=="0"
ATTR{statistics/rx_crc_errors}=="0"
ATTR{statistics/rx_dropped}=="0"
ATTR{statistics/rx_errors}=="0"
ATTR{statistics/rx_fifo_errors}=="0"
ATTR{statistics/rx_frame_errors}=="0"
ATTR{statistics/rx_length_errors}=="0"
ATTR{statistics/rx_missed_errors}=="0"
ATTR{statistics/rx_nohandler}=="0"
ATTR{statistics/rx_over_errors}=="0"
ATTR{statistics/rx_packets}=="0"
ATTR{statistics/tx_aborted_errors}=="0"
ATTR{statistics/tx_bytes}=="0"
ATTR{statistics/tx_carrier_errors}=="0"
ATTR{statistics/tx_compressed}=="0"
ATTR{statistics/tx_dropped}=="0"
ATTR{statistics/tx_errors}=="0"
ATTR{statistics/tx_fifo_errors}=="0"
ATTR{statistics/tx_heartbeat_errors}=="0"
ATTR{statistics/tx_packets}=="0"
ATTR{statistics/tx_window_errors}=="0"
ATTR{threaded}=="0"
ATTR{tx_queue_len}=="1000"
ATTR{type}=="1"
looking at parent device '/devices/platform/soc/48004000.mmc/mmc_host/mmc1/mmc1:0001/mmc1:0001:1':
KERNELS=="mmc1:0001:1"
SUBSYSTEMS=="sdio"
DRIVERS=="brcmfmac"
ATTRS{class}=="0x00"
ATTRS{coredump}=="(write-only)"
ATTRS{device}=="0xa9bf"
ATTRS{power/control}=="auto"
ATTRS{power/runtime_active_time}=="0"
ATTRS{power/runtime_status}=="unsupported"
ATTRS{power/runtime_suspended_time}=="0"
ATTRS{revision}=="0.0"
ATTRS{vendor}=="0x02d0"
looking at parent device '/devices/platform/soc/48004000.mmc/mmc_host/mmc1/mmc1:0001':
KERNELS=="mmc1:0001"
SUBSYSTEMS=="mmc"
DRIVERS==""
ATTRS{device}=="0xa9bf"
ATTRS{ocr}=="0x00200000"
ATTRS{power/control}=="auto"
ATTRS{power/runtime_active_time}=="0"
ATTRS{power/runtime_status}=="unsupported"
ATTRS{power/runtime_suspended_time}=="0"
ATTRS{rca}=="0x0001"
ATTRS{revision}=="0.0"
ATTRS{type}=="SDIO"
ATTRS{vendor}=="0x02d0"
looking at parent device '/devices/platform/soc/48004000.mmc/mmc_host/mmc1':
KERNELS=="mmc1"
SUBSYSTEMS=="mmc_host"
DRIVERS==""
ATTRS{power/control}=="auto"
ATTRS{power/runtime_active_time}=="0"
ATTRS{power/runtime_status}=="unsupported"
ATTRS{power/runtime_suspended_time}=="0"
looking at parent device '/devices/platform/soc/48004000.mmc':
KERNELS=="48004000.mmc"
SUBSYSTEMS=="amba" <------------------------------------------------------- AMBA is here
DRIVERS=="mmci-pl18x"
ATTRS{driver_override}=="(null)"
ATTRS{id}=="00253180"
ATTRS{power/autosuspend_delay_ms}=="50"
ATTRS{power/control}=="on"
ATTRS{power/runtime_active_time}=="666709"
ATTRS{power/runtime_status}=="active"
ATTRS{power/runtime_suspended_time}=="0"
looking at parent device '/devices/platform/soc':
KERNELS=="soc"
SUBSYSTEMS=="platform"
DRIVERS=="simple-pm-bus"
ATTRS{driver_override}=="(null)"
ATTRS{power/control}=="auto"
ATTRS{power/runtime_active_time}=="0"
ATTRS{power/runtime_status}=="unsupported"
ATTRS{power/runtime_suspended_time}=="0"
looking at parent device '/devices/platform':
KERNELS=="platform"
SUBSYSTEMS==""
DRIVERS==""
ATTRS{power/control}=="auto"
ATTRS{power/runtime_active_time}=="0"
ATTRS{power/runtime_status}=="unsupported"
ATTRS{power/runtime_suspended_time}=="0"
```
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* sd-bus: convenience functions to emit a signal to a destination
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To support predictable interface names in various embeeded systems
add support for an additional naming scheming using the USB host
interface. Several asics have usb controllers that are platform
devices and not children of a pci interface. These embedded systems
should be able to enumerate interfaces by udev path as well to support
configurations and policies.
Signed-off-by: Charles Hardin <charles.hardin@chargepoint.com>
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New option to print the paths of all the files and directories in the image to
stdout.
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Random seed tweaks
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In these cases, we eat up the error and propagate success so we should log at
warning level only.
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No functional change.
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The open() call is not supposed to create /dev/urandom.
No functional change.
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random seed file clearer
We want the size to lie within [/proc/sys/kernel/random/poolsize,RANDOM_POOL_SIZE_MAX]
interval. Let's make it more obvious.
Also move the logic in a dedicated function.
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It's not really necessary since systemd-random-seed is an internal tool for the
moment but this might change in future (to allow system installers to
initialize a random seed file for example).
Also introducing new options will be easier.
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No functional change.
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No functional change.
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Generate dirrectives for fuzzer tests
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The lists of directives for fuzzer tests are maintained manually in the
repo. There is a tools/check-directives.sh script that runs during test
phase and reports stale directive lists.
Let's rework the script into a generator so that these directive files
are created on-the-flight and needn't be updated whenever a unit file
directives change. The scripts is rewritten in Python to get rid of gawk
dependency and each generated file is a separate meson target so that
incremental builds refresh what is just necessary (and parallelize
(negligible)).
Note: test/fuzz/fuzz-unit-file/directives-all.slice is kept since there
is not automated way to generate it (it is not covered by the check
script neither).
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Put fuzzer tests into dictionary that maps `fuzzer->list of inputs`
instead of the flat list.
This is just refactoring with no intentional .
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macro: Small IN_SET improvements
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The CASE param would normally provide the operation for the compiler to
do in this macro magic. But in this case CASE_F_1 was hardcoding the
operation, making the parameter moot.
This just removes the somewhat pointless parameter instead of fixing
the one case. These macros are used for IN_SET case labels only and
not named generically anyways.
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This will now catch mistakes like this:
struct s {
int i:2;
} s = { 1 };
assert_se(IN_SET(s.i, ULLONG_MAX));
> warning: implicit conversion from 'unsigned long long' to
> 'typeof (+s.i)' (aka 'int') changes value from 18446744073709551615
> to -1 [-Wconstant-conversion]
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udev: cleanup for ID_RENAMING property
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As the properties loaded from the database are stored to UdevEvent.dev_db_clone,
instead of UdevEvent.dev.
This also makes the removal done unconditionally, for safety.
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yuwata/network-fix-race-in-device-renaming-vs-dhcp
network,dhcp: fix theoretical race in device renaming
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Note, previously `use_mac` set with `test_mode`. As `dev`, which is set with
`client->dev`, is not set when running test or fuzzer. Hence, the condition
```
if (udev_available() && !use_mac)
```
is effectively equivalent to
```
if (dev)
```
So, this commit mostly does not change behavior. Except for the following
corner case.
The sd_device object assigned from networkd (that is, Link.dev) never
has ID_RENAMING udev property, as sd_device objects which has the property
are filtered out at `link_check_initialized()` or `manager_udev_process_link()`
in networkd-link.c.
However, sd_device object created in `dhcp_identifier_set_iaid()` in the
previous code may have it. Such situation may (at least, theoretically)
happen when the network interface is renamed after initialized, e.g. by
creating the following spurious .link file:
```
[Match]
OriginalName=eno1
[Link]
Name=lan
```
and then trigger uevent for the network interface while systemd-networkd
calling `dhcp_identifier_set_iaid()`.
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The attached sd_device object will be used later.
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It will be used later.
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It will be used later.
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network: adjust route metric based on router preference
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Even if different preference is specified, the kernel merges multiple
routes with the same preference. This is problematic when a network has
multiple routers.
Fixes #25138.
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Clarify portions of HACKING.md so folks don't spend as much time as I
did on it.
Signed-off-by: William Roberts <william.c.roberts@intel.com>
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measure: honour phases when signing
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When parsing parameters, we populate these lists with defaults when
empty, hence we can rely that there's at least one bank and one phase
defined.
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Update NEWS, hwdb
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ninja -C build update-hwdb
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