On Fri, Jul 30, 2021 at 9:38 PM Harman Kalra <hka...@marvell.com> wrote:
>
> Adding a new callback for reading the link status. PF can read it's
> link status and can forward the same to VF once it comes up.
>
> Signed-off-by: Harman Kalra <hka...@marvell.com>
Series applied to dpdk-next-net-mrvl/for-next-net. Thanks.
> ---
> drivers/net/cnxk/cnxk_ethdev.c | 9 +++++++++
> drivers/net/cnxk/cnxk_ethdev.h | 2 ++
> drivers/net/cnxk/cnxk_link.c | 23 +++++++++++++++++++++++
> 3 files changed, 34 insertions(+)
>
> diff --git a/drivers/net/cnxk/cnxk_ethdev.c b/drivers/net/cnxk/cnxk_ethdev.c
> index 0e3652ed51..7152dcd002 100644
> --- a/drivers/net/cnxk/cnxk_ethdev.c
> +++ b/drivers/net/cnxk/cnxk_ethdev.c
> @@ -1314,6 +1314,10 @@ cnxk_eth_dev_init(struct rte_eth_dev *eth_dev)
> /* Register up msg callbacks */
> roc_nix_mac_link_cb_register(nix, cnxk_eth_dev_link_status_cb);
>
> + /* Register up msg callbacks */
> + roc_nix_mac_link_info_get_cb_register(nix,
> +
> cnxk_eth_dev_link_status_get_cb);
> +
> dev->eth_dev = eth_dev;
> dev->configured = 0;
> dev->ptype_disable = 0;
> @@ -1415,6 +1419,11 @@ cnxk_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool
> reset)
> /* Disable link status events */
> roc_nix_mac_link_event_start_stop(nix, false);
>
> + /* Unregister the link update op, this is required to stop VFs from
> + * receiving link status updates on exit path.
> + */
> + roc_nix_mac_link_cb_unregister(nix);
> +
> /* Free up SQs */
> for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
> dev_ops->tx_queue_release(eth_dev->data->tx_queues[i]);
> diff --git a/drivers/net/cnxk/cnxk_ethdev.h b/drivers/net/cnxk/cnxk_ethdev.h
> index 4eead03905..4caf26303f 100644
> --- a/drivers/net/cnxk/cnxk_ethdev.h
> +++ b/drivers/net/cnxk/cnxk_ethdev.h
> @@ -349,6 +349,8 @@ int cnxk_nix_rss_hash_conf_get(struct rte_eth_dev
> *eth_dev,
> void cnxk_nix_toggle_flag_link_cfg(struct cnxk_eth_dev *dev, bool set);
> void cnxk_eth_dev_link_status_cb(struct roc_nix *nix,
> struct roc_nix_link_info *link);
> +void cnxk_eth_dev_link_status_get_cb(struct roc_nix *nix,
> + struct roc_nix_link_info *link);
> int cnxk_nix_link_update(struct rte_eth_dev *eth_dev, int wait_to_complete);
> int cnxk_nix_queue_stats_mapping(struct rte_eth_dev *dev, uint16_t queue_id,
> uint8_t stat_idx, uint8_t is_rx);
> diff --git a/drivers/net/cnxk/cnxk_link.c b/drivers/net/cnxk/cnxk_link.c
> index 3fdbdba495..6a70801675 100644
> --- a/drivers/net/cnxk/cnxk_link.c
> +++ b/drivers/net/cnxk/cnxk_link.c
> @@ -45,6 +45,29 @@ nix_link_status_print(struct rte_eth_dev *eth_dev, struct
> rte_eth_link *link)
> plt_info("Port %d: Link Down", (int)(eth_dev->data->port_id));
> }
>
> +void
> +cnxk_eth_dev_link_status_get_cb(struct roc_nix *nix,
> + struct roc_nix_link_info *link)
> +{
> + struct cnxk_eth_dev *dev = (struct cnxk_eth_dev *)nix;
> + struct rte_eth_link eth_link;
> + struct rte_eth_dev *eth_dev;
> +
> + if (!link || !nix)
> + return;
> +
> + eth_dev = dev->eth_dev;
> + if (!eth_dev)
> + return;
> +
> + rte_eth_linkstatus_get(eth_dev, ð_link);
> +
> + link->status = eth_link.link_status;
> + link->speed = eth_link.link_speed;
> + link->autoneg = eth_link.link_autoneg;
> + link->full_duplex = eth_link.link_duplex;
> +}
> +
> void
> cnxk_eth_dev_link_status_cb(struct roc_nix *nix, struct roc_nix_link_info
> *link)
> {
> --
> 2.18.0
>
