diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c')
-rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c index 53ab1814d74b..03004fdac0c6 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c @@ -1672,6 +1672,7 @@ int otx2_stop(struct net_device *netdev) struct otx2_nic *pf = netdev_priv(netdev); struct otx2_cq_poll *cq_poll = NULL; struct otx2_qset *qset = &pf->qset; + struct otx2_rss_info *rss; int qidx, vec, wrk; netif_carrier_off(netdev); @@ -1684,6 +1685,10 @@ int otx2_stop(struct net_device *netdev) /* First stop packet Rx/Tx */ otx2_rxtx_enable(pf, false); + /* Clear RSS enable flag */ + rss = &pf->hw.rss_info; + rss->enable = false; + /* Cleanup Queue IRQ */ vec = pci_irq_vector(pf->pdev, pf->hw.nix_msixoff + NIX_LF_QINT_VEC_START); @@ -1760,6 +1765,24 @@ static netdev_tx_t otx2_xmit(struct sk_buff *skb, struct net_device *netdev) return NETDEV_TX_OK; } +static netdev_features_t otx2_fix_features(struct net_device *dev, + netdev_features_t features) +{ + /* check if n-tuple filters are ON */ + if ((features & NETIF_F_HW_TC) && (dev->features & NETIF_F_NTUPLE)) { + netdev_info(dev, "Disabling n-tuple filters\n"); + features &= ~NETIF_F_NTUPLE; + } + + /* check if tc hw offload is ON */ + if ((features & NETIF_F_NTUPLE) && (dev->features & NETIF_F_HW_TC)) { + netdev_info(dev, "Disabling TC hardware offload\n"); + features &= ~NETIF_F_HW_TC; + } + + return features; +} + static void otx2_set_rx_mode(struct net_device *netdev) { struct otx2_nic *pf = netdev_priv(netdev); @@ -1822,6 +1845,12 @@ static int otx2_set_features(struct net_device *netdev, if ((changed & NETIF_F_NTUPLE) && !ntuple) otx2_destroy_ntuple_flows(pf); + if ((netdev->features & NETIF_F_HW_TC) > (features & NETIF_F_HW_TC) && + pf->tc_info.num_entries) { + netdev_err(netdev, "Can't disable TC hardware offload while flows are active\n"); + return -EBUSY; + } + return 0; } @@ -2220,6 +2249,7 @@ static const struct net_device_ops otx2_netdev_ops = { .ndo_open = otx2_open, .ndo_stop = otx2_stop, .ndo_start_xmit = otx2_xmit, + .ndo_fix_features = otx2_fix_features, .ndo_set_mac_address = otx2_set_mac_address, .ndo_change_mtu = otx2_change_mtu, .ndo_set_rx_mode = otx2_set_rx_mode, @@ -2230,6 +2260,7 @@ static const struct net_device_ops otx2_netdev_ops = { .ndo_set_vf_mac = otx2_set_vf_mac, .ndo_set_vf_vlan = otx2_set_vf_vlan, .ndo_get_vf_config = otx2_get_vf_config, + .ndo_setup_tc = otx2_setup_tc, }; static int otx2_wq_init(struct otx2_nic *pf) @@ -2449,6 +2480,10 @@ static int otx2_probe(struct pci_dev *pdev, const struct pci_device_id *id) NETIF_F_HW_VLAN_STAG_RX; netdev->features |= netdev->hw_features; + /* HW supports tc offload but mutually exclusive with n-tuple filters */ + if (pf->flags & OTX2_FLAG_TC_FLOWER_SUPPORT) + netdev->hw_features |= NETIF_F_HW_TC; + netdev->gso_max_segs = OTX2_MAX_GSO_SEGS; netdev->watchdog_timeo = OTX2_TX_TIMEOUT; @@ -2470,6 +2505,10 @@ static int otx2_probe(struct pci_dev *pdev, const struct pci_device_id *id) otx2_set_ethtool_ops(netdev); + err = otx2_init_tc(pf); + if (err) + goto err_mcam_flow_del; + /* Enable link notifications */ otx2_cgx_config_linkevents(pf, true); @@ -2479,6 +2518,8 @@ static int otx2_probe(struct pci_dev *pdev, const struct pci_device_id *id) return 0; +err_mcam_flow_del: + otx2_mcam_flow_del(pf); err_unreg_netdev: unregister_netdev(netdev); err_del_mcam_entries: @@ -2646,6 +2687,7 @@ static void otx2_remove(struct pci_dev *pdev) otx2_ptp_destroy(pf); otx2_mcam_flow_del(pf); + otx2_shutdown_tc(pf); otx2_detach_resources(&pf->mbox); if (pf->hw.lmt_base) iounmap(pf->hw.lmt_base); |