> Subject: [PATCH v1 2/7] net/af_xdp: add power monitor support
>
> Implement support for .get_monitor_addr in AF_XDP driver.
>
> Signed-off-by: Anatoly Burakov <anatoly.bura...@intel.com>
Thanks Anatoly. LGTM.
Acked-by: Ciara Loftus <ciara.lof...@intel.com>
> ---
> drivers/net/af_xdp/rte_eth_af_xdp.c | 25 +++++++++++++++++++++++++
> 1 file changed, 25 insertions(+)
>
> diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c
> b/drivers/net/af_xdp/rte_eth_af_xdp.c
> index eb5660a3dc..dfbf74ea53 100644
> --- a/drivers/net/af_xdp/rte_eth_af_xdp.c
> +++ b/drivers/net/af_xdp/rte_eth_af_xdp.c
> @@ -37,6 +37,7 @@
> #include <rte_malloc.h>
> #include <rte_ring.h>
> #include <rte_spinlock.h>
> +#include <rte_power_intrinsics.h>
>
> #include "compat.h"
>
> @@ -788,6 +789,29 @@ eth_dev_configure(struct rte_eth_dev *dev)
> return 0;
> }
>
> +static int
> +eth_get_monitor_addr(void *rx_queue, struct rte_power_monitor_cond
> *pmc)
> +{
> + struct pkt_rx_queue *rxq = rx_queue;
> + unsigned int *prod = rxq->rx.producer;
> + const uint32_t cur_val = rxq->rx.cached_prod; /* use cached value */
> +
> + /* watch for changes in producer ring */
> + pmc->addr = (void*)prod;
> +
> + /* store current value */
> + pmc->val = cur_val;
> + pmc->mask = (uint32_t)~0; /* mask entire uint32_t value */
> +
> + /* AF_XDP producer ring index is 32-bit */
> + pmc->size = sizeof(uint32_t);
> +
> + /* this requires an inverted check */
> + pmc->invert = 1;
> +
> + return 0;
> +}
> +
> static int
> eth_dev_info(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
> {
> @@ -1448,6 +1472,7 @@ static const struct eth_dev_ops ops = {
> .link_update = eth_link_update,
> .stats_get = eth_stats_get,
> .stats_reset = eth_stats_reset,
> + .get_monitor_addr = eth_get_monitor_addr
> };
>
> /** parse busy_budget argument */
> --
> 2.25.1
