Migrate to linux 6.12.12 #2339

const-t · 2025-02-07T09:54:04Z

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Makefile

Introduced in kernel pathches: https://lore.kernel.org/all/20240306160031.874438-2-edumazet@google.com/ https://lore.kernel.org/all/20240306160031.874438-9-edumazet@google.com/

-Wempty-body The code like so doesn't compile -Wempty-body, becuase if `T_DBG3` macro is empty, it leades to empty `if` statement. ``` if (...) { T_DBG3(...); ``` -Wold-style-declaration Simply use `((void)0)` instead of empty macro. Place inline keyword between storage class and type.

-tfw_ctlfn_state_io - Changed prototype to match new prototype of proc_handler. -tfw_sysctl_tbl removed empty struct. -Flexible arrays declared using `DECLARE_FLEX_ARRAY`.

@src

Added explicit in-place version of `tfw_cstrtolower()` with suitable prototype. This is required to be able to do conversion in-place when it safe (@src == @DesT), because `__tfw_strtolower_avx2()` expects non-ovelapping memory. To ensure this on compile time we use __restrict qualifier.

Removed unnecessary `__restrict`, that hasn't effect on the function. Also `tbl` and `it` might points to the same structure and this is legal and used in `tfw_hpack_set_rbuf_size()`

Sleepable function must not be called in softIRQ. Use arch specific random number generator by default.

Few patches ago we changed our `ttls_time` macro to use `ktime_get_seconds()` instead of real seconds, it fits our needs, because our session storage is alive until reboot and suspension is not expected. However `x509_get_current_time()` wants to get real time, thus use `ktime_get_real_seconds()` in this case.

Add compilation time flag that replaces random functions by non-random byte sequance `0xAA`. It can be set separately from `DBG_TLS`, however `DBG_TLS=3` also sets `DBG_TLS_NO_RAND=1`

During migration to Linux kernel 6.12.12 Tempesta module has been integrated into LSM stack as non exclusive module, that allows to use Tempesta with other modules. That implies now Tempesta can't monopolize `sk_security` and must use `tempesta_sock()` to get access to socket's blob pointed by `sk_security`.

Fix missed declarations: lib: __memcpy_fast, __memcmp_fast, __bzero_fast. tdb: table.c.

These functions don't have decalrations, therefore make them static to not pollute global scope.

Move test suite declaration from soruce to header file, that allows to include diclarations around the tests. Include decalarations of mocked functions in helpers.c, fix some functions where defenitions diffirent from declaration.

In new kernel `SKBFL_SHARED_FRAG` moved to `flags` from `tx_flags`, fix it around Tempesta code.

Remove unused(always zero) `flags` from: - `tfw_http_msg_setup()` - `tfw_msg_iter_setup()` - `ss_skb_alloc_data()`

We have to set signed char explicitly, because kernel compiles with `-funsigned-char`.

In `tfw_classify_conn_estab()` Tempesta must call `frang_conn_new()` only for Tempesta's socket.

const-t force-pushed the kt-1808-migrate-to-linux-6.12.12 branch from 768f9fd to 3a9e4c5 Compare February 10, 2025 11:10

const-t force-pushed the kt-1808-migrate-to-linux-6.12.12 branch 14 times, most recently from 11e6f6c to cba4791 Compare February 20, 2025 15:09

const-t force-pushed the kt-1808-migrate-to-linux-6.12.12 branch 3 times, most recently from b6eb1aa to 4c7e3be Compare March 4, 2025 14:59

const-t marked this pull request as ready for review March 4, 2025 15:26

const-t force-pushed the kt-1808-migrate-to-linux-6.12.12 branch 4 times, most recently from d727836 to 9d6e821 Compare March 7, 2025 18:14

const-t commented Mar 7, 2025

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const-t force-pushed the kt-1808-migrate-to-linux-6.12.12 branch from 9d6e821 to 374625a Compare March 12, 2025 12:40

const-t requested review from krizhanovsky and EvgeniiMekhanik and removed request for krizhanovsky March 12, 2025 12:43

const-t force-pushed the kt-1808-migrate-to-linux-6.12.12 branch 2 times, most recently from 8fa33f2 to 1c74704 Compare March 13, 2025 10:35

const-t added 7 commits May 12, 2025 17:48

Remove redudant argument in class_create()

72f692e

dev_rx_weight moved to net_hotdata structure.

45f99cd

Introduced in kernel pathches: https://lore.kernel.org/all/20240306160031.874438-2-edumazet@google.com/ https://lore.kernel.org/all/20240306160031.874438-9-edumazet@google.com/

skbuff: Now skb_frag_ref defined in skbuff_ref.h

3f40d4a

skbuff: use helpers instead of direct access to frags

a437579

Add argument to tcp_send_active_reset()

64f6340

Add vmalloc include and style fixes

b9662d2

const-t force-pushed the kt-1808-migrate-to-linux-6.12.12 branch from acada40 to 2c8d651 Compare May 12, 2025 14:48

const-t added 20 commits May 15, 2025 14:57

Flexible arrays and small fixes

1398e2e

-tfw_ctlfn_state_io - Changed prototype to match new prototype of proc_handler. -tfw_sysctl_tbl removed empty struct. -Flexible arrays declared using `DECLARE_FLEX_ARRAY`.

Remove __restrict from tfw_hpack_rbuf_calc

9a8daed

Removed unnecessary `__restrict`, that hasn't effect on the function. Also `tbl` and `it` might points to the same structure and this is legal and used in `tfw_hpack_set_rbuf_size()`

Get rid of get_random_bytes_wait()

632cb40

Sleepable function must not be called in softIRQ. Use arch specific random number generator by default.

Add DBG_TLS_NO_RAND flag

bb9cf75

Add compilation time flag that replaces random functions by non-random byte sequance `0xAA`. It can be set separately from `DBG_TLS`, however `DBG_TLS=3` also sets `DBG_TLS_NO_RAND=1`

refactor: add missed declarations

eaea569

Fix missed declarations: lib: __memcpy_fast, __memcmp_fast, __bzero_fast. tdb: table.c.

refactor: ifdef temporary unused function

2a9381e

refactor: make functions static

a43a591

These functions don't have decalrations, therefore make them static to not pollute global scope.

refactor: Add declaration for init functions

999ecc6

refactor, tests: Add missed function declarations

e0c2cd8

Move test suite declaration from soruce to header file, that allows to include diclarations around the tests. Include decalarations of mocked functions in helpers.c, fix some functions where defenitions diffirent from declaration.

refactor: Remove unused file

ee90a68

build: Remove redundant flags

603aa40

skb: fix tx_flags

b09e2c9

In new kernel `SKBFL_SHARED_FRAG` moved to `flags` from `tx_flags`, fix it around Tempesta code.

refactor: Remove unused arguments flags

a45c450

Remove unused(always zero) `flags` from: - `tfw_http_msg_setup()` - `tfw_msg_iter_setup()` - `ss_skb_alloc_data()`

fix: set correct data type

ef468da

We have to set signed char explicitly, because kernel compiles with `-funsigned-char`.

fix: call frang for non-tempesta socket

9298d09

In `tfw_classify_conn_estab()` Tempesta must call `frang_conn_new()` only for Tempesta's socket.

fix: Remove 5.10.35 patch

0344f01

Add 6.12.12 kernel patch

16e981b

const-t force-pushed the kt-1808-migrate-to-linux-6.12.12 branch from 2c8d651 to 16e981b Compare May 15, 2025 11:58

const-t marked this pull request as ready for review May 15, 2025 11:58

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Migrate to linux 6.12.12 #2339

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