> -----Original Message-----
> From: Volodymyr Fialko <[email protected]>
> Sent: Tuesday, June 13, 2023 4:40 PM
> To: [email protected]; Dumitrescu, Cristian <[email protected]>
> Cc: [email protected]; [email protected]; [email protected];
> Volodymyr Fialko <[email protected]>
> Subject: [PATCH v2] bitmap: add scan from offset function
>
> Currently, in the case when we search for a bit set after a particular
> value, the bitmap has to be scanned from the beginning and
> rte_bitmap_scan() has to be called multiple times until we hit the value.
>
> Add a new rte_bitmap_scan_from_offset() function to initialize scan
> state at the given offset and perform scan, this will allow getting
> the next set bit after certain offset within one scan call.
>
> Signed-off-by: Volodymyr Fialko <[email protected]>
> ---
> app/test/test_bitmap.c | 33 ++++++++++++++++++++-
> lib/eal/include/rte_bitmap.h | 56 ++++++++++++++++++++++++++++++++++++
> 2 files changed, 88 insertions(+), 1 deletion(-)
>
<snip>
> +/**
> + * @warning
> + * @b EXPERIMENTAL: this API may change without prior notice.
> + *
> + * Bitmap initialize internal scan pointers at the given position for the
> scan
> function.
> + *
> + * @param bmp
> + * Handle to bitmap instance
> + * @param pos
> + * Bit position to start scan
> + */
> +__rte_experimental
> +static inline void
> +__rte_bitmap_scan_init_at(struct rte_bitmap *bmp, uint32_t pos)
Please add a note for this function to mark it as internal, which should be
obvious from the double underscore prefix in the name, but better to write it
explicitly as well.
