[dpdk-dev] [dpdk-stable] [PATCH v3] net/iavf: fix link speed

[Ye Xiaolong]

On 04/30, alvinx.zhang at intel.com wrote:
>From: Alvin Zhang <alvinx.zhang at intel.com>
>
>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: jingjing.wu at intel.com
>Cc: stable at dpdk.org
>
>Signed-off-by: Alvin Zhang <alvinx.zhang at intel.com>
>
>V2: Modify codes according to comments.
>V3: Update git log.
>---

Please put the changelog after '---' mark.

> 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
>

Applied to dpdk-next-net-intel with beilei's ack, Thanks.