forked from luck/tmp_suning_uos_patched
fm10k: add support for ndo_get_vf_stats operation
Support capturing and reporting statistics for all of the VFs associated with a given PF device via the ndo_get_vf_stats callback. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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@ -534,6 +534,7 @@ void fm10k_iov_suspend(struct pci_dev *pdev);
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int fm10k_iov_resume(struct pci_dev *pdev);
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void fm10k_iov_disable(struct pci_dev *pdev);
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int fm10k_iov_configure(struct pci_dev *pdev, int num_vfs);
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void fm10k_iov_update_stats(struct fm10k_intfc *interface);
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s32 fm10k_iov_update_pvid(struct fm10k_intfc *interface, u16 glort, u16 pvid);
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int fm10k_ndo_set_vf_mac(struct net_device *netdev, int vf_idx, u8 *mac);
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int fm10k_ndo_set_vf_vlan(struct net_device *netdev,
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@ -542,6 +543,8 @@ int fm10k_ndo_set_vf_bw(struct net_device *netdev, int vf_idx,
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int __always_unused min_rate, int max_rate);
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int fm10k_ndo_get_vf_config(struct net_device *netdev,
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int vf_idx, struct ifla_vf_info *ivi);
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int fm10k_ndo_get_vf_stats(struct net_device *netdev,
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int vf_idx, struct ifla_vf_stats *stats);
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/* DebugFS */
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#ifdef CONFIG_DEBUG_FS
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@ -520,6 +520,27 @@ int fm10k_iov_configure(struct pci_dev *pdev, int num_vfs)
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return num_vfs;
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}
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/**
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* fm10k_iov_update_stats - Update stats for all VFs
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* @interface: device private structure
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*
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* Updates the VF statistics for all enabled VFs. Expects to be called by
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* fm10k_update_stats and assumes that locking via the __FM10K_UPDATING_STATS
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* bit is already handled.
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*/
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void fm10k_iov_update_stats(struct fm10k_intfc *interface)
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{
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struct fm10k_iov_data *iov_data = interface->iov_data;
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struct fm10k_hw *hw = &interface->hw;
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int i;
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if (!iov_data)
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return;
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for (i = 0; i < iov_data->num_vfs; i++)
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hw->iov.ops.update_stats(hw, iov_data->vf_info[i].stats, i);
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}
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static inline void fm10k_reset_vf_info(struct fm10k_intfc *interface,
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struct fm10k_vf_info *vf_info)
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{
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@ -650,3 +671,30 @@ int fm10k_ndo_get_vf_config(struct net_device *netdev,
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return 0;
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}
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int fm10k_ndo_get_vf_stats(struct net_device *netdev,
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int vf_idx, struct ifla_vf_stats *stats)
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{
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struct fm10k_intfc *interface = netdev_priv(netdev);
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struct fm10k_iov_data *iov_data = interface->iov_data;
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struct fm10k_hw *hw = &interface->hw;
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struct fm10k_hw_stats_q *hw_stats;
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u32 idx, qpp;
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/* verify SR-IOV is active and that vf idx is valid */
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if (!iov_data || vf_idx >= iov_data->num_vfs)
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return -EINVAL;
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qpp = fm10k_queues_per_pool(hw);
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hw_stats = iov_data->vf_info[vf_idx].stats;
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for (idx = 0; idx < qpp; idx++) {
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stats->rx_packets += hw_stats[idx].rx_packets.count;
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stats->tx_packets += hw_stats[idx].tx_packets.count;
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stats->rx_bytes += hw_stats[idx].rx_bytes.count;
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stats->tx_bytes += hw_stats[idx].tx_bytes.count;
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stats->rx_dropped += hw_stats[idx].rx_drops.count;
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}
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return 0;
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}
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@ -1643,6 +1643,7 @@ static const struct net_device_ops fm10k_netdev_ops = {
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.ndo_set_vf_vlan = fm10k_ndo_set_vf_vlan,
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.ndo_set_vf_rate = fm10k_ndo_set_vf_bw,
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.ndo_get_vf_config = fm10k_ndo_get_vf_config,
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.ndo_get_vf_stats = fm10k_ndo_get_vf_stats,
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.ndo_udp_tunnel_add = fm10k_udp_tunnel_add,
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.ndo_udp_tunnel_del = fm10k_udp_tunnel_del,
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.ndo_dfwd_add_station = fm10k_dfwd_add_station,
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@ -630,6 +630,9 @@ void fm10k_update_stats(struct fm10k_intfc *interface)
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net_stats->rx_errors = rx_errors;
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net_stats->rx_dropped = interface->stats.nodesc_drop.count;
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/* Update VF statistics */
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fm10k_iov_update_stats(interface);
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clear_bit(__FM10K_UPDATING_STATS, interface->state);
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}
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@ -581,6 +581,7 @@ struct fm10k_vf_info {
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* at the same offset as the mailbox
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*/
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struct fm10k_mbx_info mbx; /* PF side of VF mailbox */
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struct fm10k_hw_stats_q stats[FM10K_MAX_QUEUES_POOL];
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int rate; /* Tx BW cap as defined by OS */
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u16 glort; /* resource tag for this VF */
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u16 sw_vid; /* Switch API assigned VLAN */
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