On Wed, Jun 23, 2021 at 1:36 AM 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 Acked-by: Jerin Jacob <jer...@marvell.com>
Series applied to dpdk-next-net-mrvl/for-dpdk-main. Thanks.
> ---
> drivers/net/octeontx2/otx2_ethdev.c | 8 +++++++-
> drivers/net/octeontx2/otx2_ethdev.h | 2 ++
> drivers/net/octeontx2/otx2_link.c | 23 +++++++++++++++++++++++
> 3 files changed, 32 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/octeontx2/otx2_ethdev.c
> b/drivers/net/octeontx2/otx2_ethdev.c
> index 0834de0cb1..471fa34da1 100644
> --- a/drivers/net/octeontx2/otx2_ethdev.c
> +++ b/drivers/net/octeontx2/otx2_ethdev.c
> @@ -42,7 +42,8 @@ nix_get_tx_offload_capa(struct otx2_eth_dev *dev)
>
> static const struct otx2_dev_ops otx2_dev_ops = {
> .link_status_update = otx2_eth_dev_link_status_update,
> - .ptp_info_update = otx2_eth_dev_ptp_info_update
> + .ptp_info_update = otx2_eth_dev_ptp_info_update,
> + .link_status_get = otx2_eth_dev_link_status_get
> };
>
> static int
> @@ -2625,6 +2626,11 @@ otx2_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool
> mbox_close)
>
> nix_cgx_stop_link_event(dev);
>
> + /* Unregister the dev ops, this is required to stop VFs from
> + * receiving link status updates on exit path.
> + */
> + dev->ops = NULL;
> +
> /* Free up SQs */
> for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
> otx2_nix_tx_queue_release(eth_dev->data->tx_queues[i]);
> diff --git a/drivers/net/octeontx2/otx2_ethdev.h
> b/drivers/net/octeontx2/otx2_ethdev.h
> index ac50da7b18..08f9a2a7bc 100644
> --- a/drivers/net/octeontx2/otx2_ethdev.h
> +++ b/drivers/net/octeontx2/otx2_ethdev.h
> @@ -453,6 +453,8 @@ void otx2_nix_toggle_flag_link_cfg(struct otx2_eth_dev
> *dev, bool set);
> int otx2_nix_link_update(struct rte_eth_dev *eth_dev, int wait_to_complete);
> void otx2_eth_dev_link_status_update(struct otx2_dev *dev,
> struct cgx_link_user_info *link);
> +void otx2_eth_dev_link_status_get(struct otx2_dev *dev,
> + struct cgx_link_user_info *link);
> int otx2_nix_dev_set_link_up(struct rte_eth_dev *eth_dev);
> int otx2_nix_dev_set_link_down(struct rte_eth_dev *eth_dev);
> int otx2_apply_link_speed(struct rte_eth_dev *eth_dev);
> diff --git a/drivers/net/octeontx2/otx2_link.c
> b/drivers/net/octeontx2/otx2_link.c
> index a79b997376..5378e5c3b9 100644
> --- a/drivers/net/octeontx2/otx2_link.c
> +++ b/drivers/net/octeontx2/otx2_link.c
> @@ -47,6 +47,29 @@ nix_link_status_print(struct rte_eth_dev *eth_dev, struct
> rte_eth_link *link)
> otx2_info("Port %d: Link Down",
> (int)(eth_dev->data->port_id));
> }
>
> +void
> +otx2_eth_dev_link_status_get(struct otx2_dev *dev,
> + struct cgx_link_user_info *link)
> +{
> + struct otx2_eth_dev *otx2_dev = (struct otx2_eth_dev *)dev;
> + struct rte_eth_link eth_link;
> + struct rte_eth_dev *eth_dev;
> +
> + if (!link || !dev)
> + return;
> +
> + eth_dev = otx2_dev->eth_dev;
> + if (!eth_dev)
> + return;
> +
> + rte_eth_linkstatus_get(eth_dev, ð_link);
> +
> + link->link_up = eth_link.link_status;
> + link->speed = eth_link.link_speed;
> + link->an = eth_link.link_autoneg;
> + link->full_duplex = eth_link.link_duplex;
> +}
> +
> void
> otx2_eth_dev_link_status_update(struct otx2_dev *dev,
> struct cgx_link_user_info *link)
> --
> 2.18.0
>
