[dpdk-dev] [PATCH] net/i40e: enable statistic reset for VF
Qi Zhang
qi.z.zhang at intel.com
Thu Feb 23 19:27:01 CET 2017
The patch implements the dev_ops "stats_reset" for VF.
Signed-off-by: Qi Zhang <qi.z.zhang at intel.com>
---
drivers/net/i40e/i40e_ethdev_vf.c | 34 ++++++++++++++++++++++++++++++++++
drivers/net/i40e/i40e_pf.c | 25 +++++++++++++++++++++++++
drivers/net/i40e/i40e_pf.h | 1 +
3 files changed, 60 insertions(+)
diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c
index 55fd344..5155b25 100644
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -110,6 +110,7 @@ static int i40evf_dev_link_update(struct rte_eth_dev *dev,
__rte_unused int wait_to_complete);
static void i40evf_dev_stats_get(struct rte_eth_dev *dev,
struct rte_eth_stats *stats);
+static void i40evf_dev_stats_reset(struct rte_eth_dev *dev);
static int i40evf_dev_xstats_get(struct rte_eth_dev *dev,
struct rte_eth_xstat *xstats, unsigned n);
static int i40evf_dev_xstats_get_names(struct rte_eth_dev *dev,
@@ -199,6 +200,7 @@ static const struct eth_dev_ops i40evf_eth_dev_ops = {
.allmulticast_disable = i40evf_dev_allmulticast_disable,
.link_update = i40evf_dev_link_update,
.stats_get = i40evf_dev_stats_get,
+ .stats_reset = i40evf_dev_stats_reset,
.xstats_get = i40evf_dev_xstats_get,
.xstats_get_names = i40evf_dev_xstats_get_names,
.xstats_reset = i40evf_dev_xstats_reset,
@@ -988,6 +990,27 @@ i40evf_get_statistics(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
return 0;
}
+static int
+i40evf_reset_statistics(struct rte_eth_dev *dev)
+{
+ struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
+ int err;
+ struct vf_cmd_info args;
+ u16 vsi_id = vf->vsi_res->vsi_id;
+
+ args.ops = (enum i40e_virtchnl_ops)I40E_VIRTCHNL_OP_RESET_STATS;
+ args.in_args = (uint8_t *)&vsi_id;
+ args.in_args_size = sizeof(vsi_id);
+ args.out_buffer = vf->aq_resp;
+ args.out_size = I40E_AQ_BUF_SZ;
+
+ err = i40evf_execute_vf_cmd(dev, &args);
+ if (err)
+ PMD_DRV_LOG(ERR, "fail to execute command CFG_VLAN_OFFLOAD");
+
+ return err;
+}
+
static void
i40evf_dev_xstats_reset(struct rte_eth_dev *dev)
{
@@ -2310,6 +2333,17 @@ i40evf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
}
static void
+i40evf_dev_stats_reset(struct rte_eth_dev *dev)
+{
+ struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
+ /* only DPDK PF support this */
+ if (vf->version_major == I40E_DPDK_VERSION_MAJOR) {
+ if (i40evf_reset_statistics(dev))
+ PMD_DRV_LOG(ERR, "Reset statistics failed");
+ }
+}
+
+static void
i40evf_dev_close(struct rte_eth_dev *dev)
{
struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
diff --git a/drivers/net/i40e/i40e_pf.c b/drivers/net/i40e/i40e_pf.c
index f771dfb..62d2bfd 100644
--- a/drivers/net/i40e/i40e_pf.c
+++ b/drivers/net/i40e/i40e_pf.c
@@ -1155,6 +1155,27 @@ i40e_pf_host_process_cmd_cfg_pvid(struct i40e_pf_vf *vf,
return ret;
}
+static int
+i40e_pf_host_process_cmd_reset_stats(struct i40e_pf_vf *vf,
+ bool b_op)
+{
+ vf->vsi->offset_loaded = false;
+ i40e_update_vsi_stats(vf->vsi);
+
+ if (b_op)
+ i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_RESET_STATS,
+ I40E_SUCCESS,
+ NULL,
+ 0);
+ else
+ i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_RESET_STATS,
+ I40E_NOT_SUPPORTED,
+ NULL,
+ 0);
+
+ return I40E_SUCCESS;
+}
+
void
i40e_notify_vf_link_status(struct rte_eth_dev *dev, struct i40e_pf_vf *vf)
{
@@ -1300,6 +1321,10 @@ i40e_pf_host_handle_vf_msg(struct rte_eth_dev *dev,
PMD_DRV_LOG(INFO, "OP_CFG_VLAN_PVID received");
i40e_pf_host_process_cmd_cfg_pvid(vf, msg, msglen, b_op);
break;
+ case I40E_VIRTCHNL_OP_RESET_STATS:
+ PMD_DRV_LOG(INFO, "OP_RESET_STATS received");
+ i40e_pf_host_process_cmd_reset_stats(vf, b_op);
+ break;
/* Don't add command supported below, which will
* return an error code.
*/
diff --git a/drivers/net/i40e/i40e_pf.h b/drivers/net/i40e/i40e_pf.h
index b4c2287..69ef873 100644
--- a/drivers/net/i40e/i40e_pf.h
+++ b/drivers/net/i40e/i40e_pf.h
@@ -58,6 +58,7 @@ enum i40e_virtchnl_ops_dpdk {
I40E_DPDK_OFFSET,
I40E_VIRTCHNL_OP_CFG_VLAN_PVID,
I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT,
+ I40E_VIRTCHNL_OP_RESET_STATS,
};
/* A structure to support extended info of a receive queue. */
--
2.7.4
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