[Intel-wired-lan] [PATCH S33 12/15] ice: implement VF stats NDO
Tony Nguyen
anthony.l.nguyen at intel.com
Fri Nov 8 14:23:28 UTC 2019
From: Jesse Brandeburg <jesse.brandeburg at intel.com>
Implement the VF stats gathering via the kernel via ndo_get_vf_stats().
The driver will show per-VF stats in the output of the
ip -s link show dev <PF> command.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg at intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen at intel.com>
---
drivers/net/ethernet/intel/ice/ice_main.c | 1 +
.../net/ethernet/intel/ice/ice_virtchnl_pf.c | 45 +++++++++++++++++++
.../net/ethernet/intel/ice/ice_virtchnl_pf.h | 11 +++++
3 files changed, 57 insertions(+)
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index ea577588b274..d282eb05c2e0 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -5219,6 +5219,7 @@ static const struct net_device_ops ice_netdev_ops = {
.ndo_set_vf_trust = ice_set_vf_trust,
.ndo_set_vf_vlan = ice_set_vf_port_vlan,
.ndo_set_vf_link_state = ice_set_vf_link_state,
+ .ndo_get_vf_stats = ice_get_vf_stats,
.ndo_vlan_rx_add_vid = ice_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = ice_vlan_rx_kill_vid,
.ndo_set_features = ice_set_features,
diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
index aa99d7cb7d8e..edb374296d1f 100644
--- a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
@@ -3391,3 +3391,48 @@ int ice_set_vf_link_state(struct net_device *netdev, int vf_id, int link_state)
return 0;
}
+
+/**
+ * ice_get_vf_stats - populate some stats for the VF
+ * @netdev: the netdev of the PF
+ * @vf_id: the host OS identifier (0-255)
+ * @vf_stats: pointer to the OS memory to be initialized
+ */
+int ice_get_vf_stats(struct net_device *netdev, int vf_id,
+ struct ifla_vf_stats *vf_stats)
+{
+ struct ice_pf *pf = ice_netdev_to_pf(netdev);
+ struct ice_eth_stats *stats;
+ struct ice_vsi *vsi;
+ struct ice_vf *vf;
+
+ if (ice_validate_vf_id(pf, vf_id))
+ return -EINVAL;
+
+ vf = &pf->vf[vf_id];
+
+ if (ice_check_vf_init(pf, vf))
+ return -EBUSY;
+
+ vsi = pf->vsi[vf->lan_vsi_idx];
+ if (!vsi)
+ return -EINVAL;
+
+ ice_update_eth_stats(vsi);
+ stats = &vsi->eth_stats;
+
+ memset(vf_stats, 0, sizeof(*vf_stats));
+
+ vf_stats->rx_packets = stats->rx_unicast + stats->rx_broadcast +
+ stats->rx_multicast;
+ vf_stats->tx_packets = stats->tx_unicast + stats->tx_broadcast +
+ stats->tx_multicast;
+ vf_stats->rx_bytes = stats->rx_bytes;
+ vf_stats->tx_bytes = stats->tx_bytes;
+ vf_stats->broadcast = stats->rx_broadcast;
+ vf_stats->multicast = stats->rx_multicast;
+ vf_stats->rx_dropped = stats->rx_discards;
+ vf_stats->tx_dropped = stats->tx_discards;
+
+ return 0;
+}
diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.h b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.h
index 2e867ad2e81d..88aa65d5cb31 100644
--- a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.h
+++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.h
@@ -122,6 +122,9 @@ int ice_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool ena);
int ice_calc_vf_reg_idx(struct ice_vf *vf, struct ice_q_vector *q_vector);
void ice_set_vf_state_qs_dis(struct ice_vf *vf);
+int
+ice_get_vf_stats(struct net_device *netdev, int vf_id,
+ struct ifla_vf_stats *vf_stats);
#else /* CONFIG_PCI_IOV */
#define ice_process_vflr_event(pf) do {} while (0)
#define ice_free_vfs(pf) do {} while (0)
@@ -194,5 +197,13 @@ ice_calc_vf_reg_idx(struct ice_vf __always_unused *vf,
{
return 0;
}
+
+static inline int
+ice_get_vf_stats(struct net_device __always_unused *netdev,
+ int __always_unused vf_id,
+ struct ifla_vf_stats __always_unused *vf_stats)
+{
+ return -EOPNOTSUPP;
+}
#endif /* CONFIG_PCI_IOV */
#endif /* _ICE_VIRTCHNL_PF_H_ */
--
2.20.1
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