git: a30a0d940dae - main - LinuxKPI: add dummy rhashtable implementation
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Date: Thu, 08 Jun 2023 18:11:52 UTC
The branch main has been updated by bz: URL: https://cgit.FreeBSD.org/src/commit/?id=a30a0d940daef2df51371cf142790109e2019fa0 commit a30a0d940daef2df51371cf142790109e2019fa0 Author: Bjoern A. Zeeb <bz@FreeBSD.org> AuthorDate: 2023-05-20 00:45:47 +0000 Commit: Bjoern A. Zeeb <bz@FreeBSD.org> CommitDate: 2023-06-08 18:11:11 +0000 LinuxKPI: add dummy rhashtable implementation Add a skeleton implementation of rhashtable in order to keep an upcoming wireless driver compiling. We'll implement it as soon as we get there. MFC after: 10 days Reviewed by: emaste (previous version before his suggested changes) Differential Revision: https://reviews.freebsd.org/D40176 --- .../linuxkpi/common/include/linux/rhashtable.h | 89 ++++++++++++++++++++++ 1 file changed, 89 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/rhashtable.h b/sys/compat/linuxkpi/common/include/linux/rhashtable.h new file mode 100644 index 000000000000..273ea235b801 --- /dev/null +++ b/sys/compat/linuxkpi/common/include/linux/rhashtable.h @@ -0,0 +1,89 @@ +/*- + * Copyright (c) 2023 Bjoern A. Zeeb + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _LINUXKPI_LINUX_RHASHTABLE_H +#define _LINUXKPI_LINUX_RHASHTABLE_H + +#include <linux/kernel.h> /* pr_debug */ + +struct rhash_head { +}; + +struct rhashtable_params { + uint16_t head_offset; + uint16_t key_len; + uint16_t key_offset; + uint16_t nelem_hint; + bool automatic_shrinking; +}; + +struct rhashtable { +}; + +static inline int +rhashtable_init(struct rhashtable *rht, + const struct rhashtable_params *params) +{ + + pr_debug("%s: TODO\n", __func__); + return (-1); +} + +static inline void +rhashtable_destroy(struct rhashtable *rht) +{ + pr_debug("%s: TODO\n", __func__); +} + +static inline void * +rhashtable_lookup_fast(struct rhashtable *rht, const void *key, + const struct rhashtable_params params) +{ + + pr_debug("%s: TODO\n", __func__); + return (NULL); +} + +static inline void * +rhashtable_lookup_get_insert_fast(struct rhashtable *rht, + struct rhash_head *obj, const struct rhashtable_params params) +{ + + pr_debug("%s: TODO\n", __func__); + return (NULL); +} + +static inline int +rhashtable_remove_fast(struct rhashtable *rht, + struct rhash_head *obj, const struct rhashtable_params params) +{ + + pr_debug("%s: TODO\n", __func__); + return (-ENOENT); +} + +#endif /* _LINUXKPI_LINUX_RHASHTABLE_H */