AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-19 07:57:20 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

i40e: implement VF stats NDO

Browse Source 
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 command:
ip -s link show dev <PF>

Testing Hints:
ip -s link show dev eth0
will return non-zero VF stats.
...
   vf 0 MAC 00:55:aa:00:55:aa, spoof checking on, link-state enable, trust off
   RX: bytes  packets  mcast   bcast
   128000     1000     104     104
   TX: bytes  packets
   128000     1000

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Jesse Brandeburg 2019-10-28 17:37:07 -07:00 committed by Jeff Kirsher
parent 3df5b9a6a9
commit dc645daef9
3 changed files with 51 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/ethernet/intel/i40e/i40e_main.c
View File

@ -12870,6 +12870,7 @@ static const struct net_device_ops i40e_netdev_ops = {
.ndo_set_features = i40e_set_features,
.ndo_set_vf_mac = i40e_ndo_set_vf_mac,
.ndo_set_vf_vlan = i40e_ndo_set_vf_port_vlan,
.ndo_get_vf_stats = i40e_get_vf_stats,
.ndo_set_vf_rate = i40e_ndo_set_vf_bw,
.ndo_get_vf_config = i40e_ndo_get_vf_config,
.ndo_set_vf_link_state = i40e_ndo_set_vf_link_state,

48
drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
View File

@ -4524,3 +4524,51 @@ int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting)
clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state);
return ret;
}
/**
* i40e_get_vf_stats - populate some stats for the VF
* @netdev: the netdev of the PF
* @vf_id: the host OS identifier (0-127)
* @vf_stats: pointer to the OS memory to be initialized
*/
int i40e_get_vf_stats(struct net_device *netdev, int vf_id,
struct ifla_vf_stats *vf_stats)
{
struct i40e_netdev_priv *np = netdev_priv(netdev);
struct i40e_pf *pf = np->vsi->back;
struct i40e_eth_stats *stats;
struct i40e_vsi *vsi;
struct i40e_vf *vf;
/* validate the request */
if (i40e_validate_vf(pf, vf_id))
return -EINVAL;
vf = &pf->vf[vf_id];
if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
dev_err(&pf->pdev->dev, "VF %d in reset. Try again.\n", vf_id);
return -EBUSY;
}
vsi = pf->vsi[vf->lan_vsi_idx];
if (!vsi)
return -EINVAL;
i40e_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;
}

2
drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h
View File

@ -138,5 +138,7 @@ int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable);
void i40e_vc_notify_link_state(struct i40e_pf *pf);
void i40e_vc_notify_reset(struct i40e_pf *pf);
int i40e_get_vf_stats(struct net_device *netdev, int vf_id,
struct ifla_vf_stats *vf_stats);
#endif /* _I40E_VIRTCHNL_PF_H_ */