Re: [PATCH v2 1/1] net/cnxk: support outbound soft expiry notification

[Jerin Jacob <jerinjacobk@gmail.com>]

On Thu, Feb 24, 2022 at 3:19 PM Vamsi Attunuru <vattunuru@marvell.com> wrote:
>
> Patch implements soft expiry notification mechanism in outbound
> path by creating required number of ring buffers and a common poll
> thread which polls for soft expiry events enqueued by microcode.
>
> Signed-off-by: Vamsi Attunuru <vattunuru@marvell.com>
> ---
> v2: fix subject and commit message.

> +static void *
> +nix_inl_outb_poll_thread(void *args)
> +{
> +       struct nix_inl_dev *inl_dev = args;
> +       uint32_t poll_freq;
> +       uint32_t i;
> +       bool bit;
> +
> +       poll_freq = inl_dev->soft_exp_poll_freq;
> +
> +       while (!soft_exp_poll_thread_exit) {
> +               if (soft_exp_consumer_cnt) {
> +                       for (i = 0; i < ROC_NIX_INL_MAX_SOFT_EXP_RNGS; i++) {
> +                               bit = plt_bitmap_get(
> +                                       inl_dev->soft_exp_ring_bmap, i);
> +                               if (bit)
> +                                       inl_outb_soft_exp_poll(inl_dev, i);
> +                       }
> +               }
> +               plt_delay_us(poll_freq);

Changed delay to avoid wasting cycles as it is busy loop.

Acked-by: Jerin Jacob <jerinj@marvell.com>

Updated the git commit as follows and applied to
dpdk-next-net-mrvl/for-next-net. Thanks

    net/cnxk: support outbound soft expiry notification

    Add support for soft expiry notification mechanism in outbound
    path by creating required number of ring buffers and a common poll
    thread which polls for soft expiry events enqueued by microcode.

    Signed-off-by: Vamsi Attunuru <vattunuru@marvell.com>
    Acked-by: Jerin Jacob <jerinj@marvell.com>