From: Alvin Zhang <alvinx.zh...@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...@intel.com
Cc: sta...@dpdk.org
Signed-off-by: Alvin Zhang <alvinx.zh...@intel.com>
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
