net/i40e: set/clear VF stats from PF

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@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
Acked-by: Vincent Jardin <vincent.jardin@6wind.com>

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index d3311e1..92c750f 100644 (file)
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -11106,3 +11106,82 @@ 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 (file)
--- 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_vlan_tag(uint8_t port, uint16_t vf_id, uint8_t on);
 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 (file)
--- 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;