[dpdk-dev] [PATCH v11 25/26] net/i40e: set/clear VF stats from PF

Wenzhuo Lu wenzhuo.lu at intel.com
Tue Jan 17 03:28:35 CET 2017


From: Qi Zhang <qi.z.zhang at intel.com>

This patch add support to get/clear VF statistics
from PF side.
Two APIs are added:
rte_pmd_i40e_get_vf_stats.
rte_pmd_i40e_reset_vf_stats.

Signed-off-by: Qi Zhang <qi.z.zhang at intel.com>
---
 drivers/net/i40e/i40e_ethdev.c            | 79 +++++++++++++++++++++++++++++++
 drivers/net/i40e/rte_pmd_i40e.h           | 41 ++++++++++++++++
 drivers/net/i40e/rte_pmd_i40e_version.map |  2 +
 3 files changed, 122 insertions(+)

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index b084c39..f92f148 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -11075,3 +11075,82 @@ int rte_pmd_i40e_set_vf_vlan_filter(uint8_t port, uint16_t vlan_id,
 
 	return ret;
 }
+
+int
+rte_pmd_i40e_get_vf_stats(uint8_t port,
+			  uint16_t vf_id,
+			  struct rte_eth_stats *stats)
+{
+	struct rte_eth_dev *dev;
+	struct i40e_pf *pf;
+	struct i40e_vsi *vsi;
+
+	RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
+
+	dev = &rte_eth_devices[port];
+
+	if (is_i40e_pmd(dev->data->drv_name))
+		return -ENOTSUP;
+
+	pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+
+	if (vf_id >= pf->vf_num || !pf->vfs) {
+		PMD_DRV_LOG(ERR, "Invalid VF ID.");
+		return -EINVAL;
+	}
+
+	vsi = pf->vfs[vf_id].vsi;
+	if (!vsi) {
+		PMD_DRV_LOG(ERR, "Invalid VSI.");
+		return -EINVAL;
+	}
+
+	i40e_update_vsi_stats(vsi);
+
+	stats->ipackets = vsi->eth_stats.rx_unicast +
+			vsi->eth_stats.rx_multicast +
+			vsi->eth_stats.rx_broadcast;
+	stats->opackets = vsi->eth_stats.tx_unicast +
+			vsi->eth_stats.tx_multicast +
+			vsi->eth_stats.tx_broadcast;
+	stats->ibytes   = vsi->eth_stats.rx_bytes;
+	stats->obytes   = vsi->eth_stats.tx_bytes;
+	stats->ierrors  = vsi->eth_stats.rx_discards;
+	stats->oerrors  = vsi->eth_stats.tx_errors + vsi->eth_stats.tx_discards;
+
+	return 0;
+}
+
+int
+rte_pmd_i40e_reset_vf_stats(uint8_t port,
+			    uint16_t vf_id)
+{
+	struct rte_eth_dev *dev;
+	struct i40e_pf *pf;
+	struct i40e_vsi *vsi;
+
+	RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
+
+	dev = &rte_eth_devices[port];
+
+	if (is_i40e_pmd(dev->data->drv_name))
+		return -ENOTSUP;
+
+	pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+
+	if (vf_id >= pf->vf_num || !pf->vfs) {
+		PMD_DRV_LOG(ERR, "Invalid VF ID.");
+		return -EINVAL;
+	}
+
+	vsi = pf->vfs[vf_id].vsi;
+	if (!vsi) {
+		PMD_DRV_LOG(ERR, "Invalid VSI.");
+		return -EINVAL;
+	}
+
+	vsi->offset_loaded = false;
+	i40e_update_vsi_stats(vsi);
+
+	return 0;
+}
diff --git a/drivers/net/i40e/rte_pmd_i40e.h b/drivers/net/i40e/rte_pmd_i40e.h
index 2c87029..f4bd0fd 100644
--- a/drivers/net/i40e/rte_pmd_i40e.h
+++ b/drivers/net/i40e/rte_pmd_i40e.h
@@ -291,4 +291,45 @@ int rte_pmd_i40e_set_vf_broadcast(uint8_t port, uint16_t vf_id,
 int rte_pmd_i40e_set_vf_vlan_filter(uint8_t port, uint16_t vlan_id,
 				    uint64_t vf_mask, uint8_t on);
 
+/**
+ * Get VF's statistics
+ *
+ * @param port
+ *    The port identifier of the Ethernet device.
+ * @param vf_id
+ *    VF on which to get.
+ * @param stats
+ *    A pointer to a structure of type *rte_eth_stats* to be filled with
+ *    the values of device counters for the following set of statistics:
+ *   - *ipackets* with the total of successfully received packets.
+ *   - *opackets* with the total of successfully transmitted packets.
+ *   - *ibytes*   with the total of successfully received bytes.
+ *   - *obytes*   with the total of successfully transmitted bytes.
+ *   - *ierrors*  with the total of erroneous received packets.
+ *   - *oerrors*  with the total of failed transmitted packets.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENODEV) if *port* invalid.
+ *   - (-EINVAL) if bad parameter.
+ */
+
+int rte_pmd_i40e_get_vf_stats(uint8_t port,
+			      uint16_t vf_id,
+			      struct rte_eth_stats *stats);
+
+/**
+ * Clear VF's statistics
+ *
+ * @param port
+ *    The port identifier of the Ethernet device.
+ * @param vf_id
+ *    VF on which to get.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENODEV) if *port* invalid.
+ *   - (-EINVAL) if bad parameter.
+ */
+int rte_pmd_i40e_reset_vf_stats(uint8_t port,
+				uint16_t vf_id);
+
 #endif /* _PMD_I40E_H_ */
diff --git a/drivers/net/i40e/rte_pmd_i40e_version.map b/drivers/net/i40e/rte_pmd_i40e_version.map
index 8ac1bc8..7a5d211 100644
--- a/drivers/net/i40e/rte_pmd_i40e_version.map
+++ b/drivers/net/i40e/rte_pmd_i40e_version.map
@@ -6,7 +6,9 @@ DPDK_2.0 {
 DPDK_17.02 {
 	global:
 
+	rte_pmd_i40e_get_vf_stats;
 	rte_pmd_i40e_ping_vfs;
+	rte_pmd_i40e_reset_vf_stats;
 	rte_pmd_i40e_set_tx_loopback;
 	rte_pmd_i40e_set_vf_broadcast;
 	rte_pmd_i40e_set_vf_mac_addr;
-- 
1.9.3



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