> -----Original Message-----
> From: Zhang, AlvinX <[email protected]>
> Sent: Thursday, April 30, 2020 11:21 AM
> To: [email protected]
> Cc: Zhang, Qi Z <[email protected]>; Xing, Beilei <[email protected]>;
> Zhang, AlvinX <[email protected]>; Wu, Jingjing
> <[email protected]>; [email protected]
> Subject: [PATCH v3] net/iavf: fix link speed
>
> From: Alvin Zhang <[email protected]>
>
> If the PF driver does not support the new speed reporting capabilities then
> use link_event instead of link_event_adv to get the speed.
>
> Fixes: 48de41ca11f0 (net/iavf: enable link status update)
> Cc: [email protected]
> Cc: [email protected]
>
> Signed-off-by: Alvin Zhang <[email protected]>
>
> V2: Modify codes according to comments.
> V3: Update git log.
> ---
> drivers/net/iavf/iavf_vchnl.c | 47
> ++++++++++++++++++++++++++++++++++++++++++-
> 1 file changed, 46 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/iavf/iavf_vchnl.c b/drivers/net/iavf/iavf_vchnl.c
> index
> 2a0cdd9..5b8d32e 100644
> --- a/drivers/net/iavf/iavf_vchnl.c
> +++ b/drivers/net/iavf/iavf_vchnl.c
> @@ -130,6 +130,44 @@
> return err;
> }
>
> +static uint32_t
> +iavf_convert_link_speed(enum virtchnl_link_speed virt_link_speed) {
> + uint32_t speed;
> +
> + switch (virt_link_speed) {
> + case VIRTCHNL_LINK_SPEED_100MB:
> + speed = 100;
> + break;
> + case VIRTCHNL_LINK_SPEED_1GB:
> + speed = 1000;
> + break;
> + case VIRTCHNL_LINK_SPEED_10GB:
> + speed = 10000;
> + break;
> + case VIRTCHNL_LINK_SPEED_40GB:
> + speed = 40000;
> + break;
> + case VIRTCHNL_LINK_SPEED_20GB:
> + speed = 20000;
> + break;
> + case VIRTCHNL_LINK_SPEED_25GB:
> + speed = 25000;
> + break;
> + case VIRTCHNL_LINK_SPEED_2_5GB:
> + speed = 2500;
> + break;
> + case VIRTCHNL_LINK_SPEED_5GB:
> + speed = 5000;
> + break;
> + default:
> + speed = 0;
> + break;
> + }
> +
> + return speed;
> +}
> +
> static void
> iavf_handle_pf_event_msg(struct rte_eth_dev *dev, uint8_t *msg,
> uint16_t msglen)
> @@ -151,7 +189,14 @@
> case VIRTCHNL_EVENT_LINK_CHANGE:
> PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_LINK_CHANGE
> event");
> vf->link_up = pf_msg->event_data.link_event.link_status;
> - vf->link_speed = pf_msg-
> >event_data.link_event_adv.link_speed;
> + if (vf->vf_res->vf_cap_flags &
> VIRTCHNL_VF_CAP_ADV_LINK_SPEED) {
> + vf->link_speed =
> + pf_msg-
> >event_data.link_event_adv.link_speed;
> + } else {
> + enum virtchnl_link_speed speed;
> + speed = pf_msg->event_data.link_event.link_speed;
> + vf->link_speed = iavf_convert_link_speed(speed);
> + }
> iavf_dev_link_update(dev, 0);
> _rte_eth_dev_callback_process(dev,
> RTE_ETH_EVENT_INTR_LSC,
> NULL);
> --
> 1.8.3.1
Acked-by: Beilei Xing <[email protected]>
