diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 67 |
1 files changed, 65 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index e3e4df0ee78b..5421714df324 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -434,6 +434,15 @@ static int i40e_alloc_vsi_res(struct i40e_vf *vf, enum i40e_vsi_type type) if (ret) dev_err(&pf->pdev->dev, "Unable to program ucast filters\n"); + /* Set VF bandwidth if specified */ + if (vf->tx_rate) { + ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid, + vf->tx_rate / 50, 0, NULL); + if (ret) + dev_err(&pf->pdev->dev, "Unable to set tx rate, VF %d, error code %d.\n", + vf->vf_id, ret); + } + error_alloc_vsi_res: return ret; } @@ -2184,7 +2193,61 @@ error_pvid: **/ int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int tx_rate) { - return -EOPNOTSUPP; + struct i40e_netdev_priv *np = netdev_priv(netdev); + struct i40e_pf *pf = np->vsi->back; + struct i40e_vsi *vsi; + struct i40e_vf *vf; + int speed = 0; + int ret = 0; + + /* validate the request */ + if (vf_id >= pf->num_alloc_vfs) { + dev_err(&pf->pdev->dev, "Invalid VF Identifier %d.\n", vf_id); + ret = -EINVAL; + goto error; + } + + vf = &(pf->vf[vf_id]); + vsi = pf->vsi[vf->lan_vsi_index]; + if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { + dev_err(&pf->pdev->dev, "Uninitialized VF %d.\n", vf_id); + ret = -EINVAL; + goto error; + } + + switch (pf->hw.phy.link_info.link_speed) { + case I40E_LINK_SPEED_40GB: + speed = 40000; + break; + case I40E_LINK_SPEED_10GB: + speed = 10000; + break; + case I40E_LINK_SPEED_1GB: + speed = 1000; + break; + default: + break; + } + + if (tx_rate > speed) { + dev_err(&pf->pdev->dev, "Invalid tx rate %d specified for vf %d.", + tx_rate, vf->vf_id); + ret = -EINVAL; + goto error; + } + + /* Tx rate credits are in values of 50Mbps, 0 is disabled*/ + ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid, tx_rate / 50, 0, + NULL); + if (ret) { + dev_err(&pf->pdev->dev, "Unable to set tx rate, error code %d.\n", + ret); + ret = -EIO; + goto error; + } + vf->tx_rate = tx_rate; +error: + return ret; } /** @@ -2224,7 +2287,7 @@ int i40e_ndo_get_vf_config(struct net_device *netdev, memcpy(&ivi->mac, vf->default_lan_addr.addr, ETH_ALEN); - ivi->tx_rate = 0; + ivi->tx_rate = vf->tx_rate; ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK; ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >> I40E_VLAN_PRIORITY_SHIFT; |