[dpdk-dev,RFC,5/9] net/avf: enable link status update
Checks
Commit Message
Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>
---
drivers/net/avf/avf_ethdev.c | 50 ++++++++++++++++++++++++++++++++++++++++++++
drivers/net/avf/avf_vchnl.c | 35 ++++++++++++++++++++++++++++++-
2 files changed, 84 insertions(+), 1 deletion(-)
@@ -68,6 +68,8 @@ static void avf_dev_stop(struct rte_eth_dev *dev);
static void avf_dev_close(struct rte_eth_dev *dev);
static void avf_dev_info_get(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info);
+static int avf_dev_link_update(struct rte_eth_dev *dev,
+ __rte_unused int wait_to_complete);
int avf_logtype_init;
int avf_logtype_driver;
@@ -82,6 +84,7 @@ static const struct eth_dev_ops avf_eth_dev_ops = {
.dev_stop = avf_dev_stop,
.dev_close = avf_dev_close,
.dev_infos_get = avf_dev_info_get,
+ .link_update = avf_dev_link_update,
.rx_queue_start = avf_dev_rx_queue_start,
.rx_queue_stop = avf_dev_rx_queue_stop,
.tx_queue_start = avf_dev_tx_queue_start,
@@ -429,6 +432,53 @@ avf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
}
static int
+avf_dev_link_update(struct rte_eth_dev *dev,
+ __rte_unused int wait_to_complete)
+{
+ struct rte_eth_link new_link;
+ struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
+
+ /* Only read status info stored in VF, and the info is updated
+ * when receive LINK_CHANGE evnet from PF by Virtchnnl.
+ */
+ switch (vf->link_speed) {
+ case VIRTCHNL_LINK_SPEED_100MB:
+ new_link.link_speed = ETH_SPEED_NUM_100M;
+ break;
+ case VIRTCHNL_LINK_SPEED_1GB:
+ new_link.link_speed = ETH_SPEED_NUM_1G;
+ break;
+ case VIRTCHNL_LINK_SPEED_10GB:
+ new_link.link_speed = ETH_SPEED_NUM_10G;
+ break;
+ case VIRTCHNL_LINK_SPEED_20GB:
+ new_link.link_speed = ETH_SPEED_NUM_20G;
+ break;
+ case VIRTCHNL_LINK_SPEED_25GB:
+ new_link.link_speed = ETH_SPEED_NUM_25G;
+ break;
+ case VIRTCHNL_LINK_SPEED_40GB:
+ new_link.link_speed = ETH_SPEED_NUM_40G;
+ break;
+ default:
+ new_link.link_speed = ETH_SPEED_NUM_NONE;
+ break;
+ }
+
+ new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
+ new_link.link_status = vf->link_up ? ETH_LINK_UP :
+ ETH_LINK_DOWN;
+ new_link.link_autoneg = !!(dev->data->dev_conf.link_speeds &
+ ETH_LINK_SPEED_FIXED);
+
+ rte_atomic64_cmpset((uint64_t *)&(dev->data->dev_link),
+ *(uint64_t *)&(dev->data->dev_link),
+ *(uint64_t *)&new_link);
+
+ return 0;
+}
+
+static int
avf_check_vf_reset_done(struct avf_hw *hw)
{
int i, reset;
@@ -160,6 +160,38 @@ avf_execute_vf_cmd(struct avf_adapter *adapter, struct avf_cmd_info *args)
return err;
}
+static void
+avf_handle_pf_event_msg(struct rte_eth_dev *dev, uint8_t *msg,
+ uint16_t msglen)
+{
+ struct virtchnl_pf_event *pf_msg =
+ (struct virtchnl_pf_event *)msg;
+ struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
+
+ if (msglen < sizeof(struct virtchnl_pf_event)) {
+ PMD_DRV_LOG(DEBUG, "Error event");
+ return;
+ }
+ switch (pf_msg->event) {
+ case VIRTCHNL_EVENT_RESET_IMPENDING:
+ PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_RESET_IMPENDING event");
+ _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET,
+ NULL, NULL);
+ break;
+ 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.link_speed;
+ break;
+ case VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
+ PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_PF_DRIVER_CLOSE event");
+ break;
+ default:
+ PMD_DRV_LOG(ERR, " unknown event received %u", pf_msg->event);
+ break;
+ }
+}
+
void
avf_handle_virtchnl_msg(struct rte_eth_dev *dev)
{
@@ -199,7 +231,8 @@ avf_handle_virtchnl_msg(struct rte_eth_dev *dev)
switch (aq_opc) {
case avf_aqc_opc_send_msg_to_vf:
if (msg_opc == VIRTCHNL_OP_EVENT) {
- /* TODO */
+ avf_handle_pf_event_msg(dev, info.msg_buf,
+ info.msg_len);
} else {
/* read message and it's expected one */
if (msg_opc == vf->pend_cmd) {