ncsid: Use PACKET_MR_PROMISC

Using IFF_PROMISC is dangerous because it requires us to set the IF
flag. The if flags cannot be set atomically, and they are expected to be
owned and managed by systemd

ncsid: Use PACKET_MR_PROMISC

Using IFF_PROMISC is dangerous because it requires us to set the IF
flag. The if flags cannot be set atomically, and they are expected to be
owned and managed by systemd-networkd. NCSId will sometimes race with
systemd-networkd and discard the IFF_UP flag and prevent the interface
from coming up during boot.

PACKET_MR_PROMISC does not depend on the flags and will not conflict
with other processes using the interface.

Change-Id: I4c193e73bff789e079e859d2b98c2477b2956d54
Signed-off-by: William A. Kennington III <wak@google.com>

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clang-format: re-format for clang-19

clang-format-19 isn't compatible with the clang-format-18 output, so we
need to reformat the code with the latest version. A few parameters
in clang-tidy have b

clang-format: re-format for clang-19

clang-format-19 isn't compatible with the clang-format-18 output, so we
need to reformat the code with the latest version. A few parameters
in clang-tidy have been deprecated, so adjust the style file
accordingly.

See Ie2f6eb3b043f2d655c9df806815afd7971fd0947 for updated style.
See I88192b41ab7a95599a90915013579608af7bc56f for clang-19 enablement.

Change-Id: Iae27e5bd313778cb732d5e87598cd94cc6b13cb4
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>

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ncsid: Fix if_packet warnings

The new Docker CI now hits the following error.
```
/usr/include/linux/if_packet.h:24:17: error: flexible array member 'sockaddr_ll::<unnamed union>::<unnamed struct>::

ncsid: Fix if_packet warnings

The new Docker CI now hits the following error.
```
/usr/include/linux/if_packet.h:24:17: error: flexible array member 'sockaddr_ll::<unnamed union>::<unnamed struct>::sll_addr_flex' not at end of 'class ncsi::SockIO'
24 | __DECLARE_FLEX_ARRAY(unsigned char, sll_addr_flex);
| ^~~~~~~~~~~~~~~~~~~~
../subprojects/ncsid/src/ncsi_sockio.h:55:15: note: next member 'const int ncsi::SockIO::kpoll_timeout_' declared here
55 | const int kpoll_timeout_ = 10;
| ^~~~~~~~~~~~~~
../subprojects/ncsid/src/ncsi_sockio.h:29:7: note: in the definition of 'class ncsi::SockIO'
29 | class SockIO : public net::SockIO
```

Removed the sockaddr_ll variable.

Change-Id: I67e700f6cd728bfbc822c1b8661915f8306711a1
Signed-off-by: Willy Tu <wltu@google.com>

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iwyu: Cleanup include headers

Triggered iwyu and add/remove used headers.

Change-Id: Iadbdb459563b3c89baf2d56f90a540342d020cd5
Signed-off-by: Willy Tu <wltu@google.com>

meson: Fix build with 0.57.1

Meson doesn't like that we are symlinking subprojects outside the
subproject directory. If we invert the links we are able to build again.

We also need to fix any proje

meson: Fix build with 0.57.1

Meson doesn't like that we are symlinking subprojects outside the
subproject directory. If we invert the links we are able to build again.

We also need to fix any projects passing arguments which they don't
actually accept.

Change-Id: Ie7adf82afabc1becc85c36b3cc632e8ebd4cae5b
Signed-off-by: William A. Kennington III <wak@google.com>

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Adding google license header to source files

This was done automatically using this script:

https://github.com/google/addlicense

```
go get -u github.com/google/addlicense
$HOME/go/bin/addlicense

Adding google license header to source files

This was done automatically using this script:

https://github.com/google/addlicense

```
go get -u github.com/google/addlicense
$HOME/go/bin/addlicense -c "Google LLC" -l apache .
```

Manually added the license headers to meson.build files as well

Signed-off-by: Brandon Kim <brandonkim@google.com>
Change-Id: I7a17364912c8af2317a1d47a4222f7b3bdc5dc98

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ncsid: Import from gBMC

This is the initial code drop from gBMC.

Google-Bug-Id: 179618516
Upstream: 1e71af914bc8c54d8b91d0a1cf377e2696713c2f
Change-Id: Ic653e8271dacd205e04f2bc713071ef2ec5936a4
Sig

ncsid: Import from gBMC

This is the initial code drop from gBMC.

Google-Bug-Id: 179618516
Upstream: 1e71af914bc8c54d8b91d0a1cf377e2696713c2f
Change-Id: Ic653e8271dacd205e04f2bc713071ef2ec5936a4
Signed-off-by: William A. Kennington III <wak@google.com>

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