diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c | 117 |
1 files changed, 116 insertions, 1 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c index d0028894667c..60c8d733a37d 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c @@ -244,6 +244,30 @@ nfp_app_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) nfp_get_drvinfo(app, app->pdev, "*", drvinfo); } +static void +nfp_net_set_fec_link_mode(struct nfp_eth_table_port *eth_port, + struct ethtool_link_ksettings *c) +{ + unsigned int modes; + + ethtool_link_ksettings_add_link_mode(c, supported, FEC_NONE); + if (!nfp_eth_can_support_fec(eth_port)) { + ethtool_link_ksettings_add_link_mode(c, advertising, FEC_NONE); + return; + } + + modes = nfp_eth_supported_fec_modes(eth_port); + if (modes & NFP_FEC_BASER) { + ethtool_link_ksettings_add_link_mode(c, supported, FEC_BASER); + ethtool_link_ksettings_add_link_mode(c, advertising, FEC_BASER); + } + + if (modes & NFP_FEC_REED_SOLOMON) { + ethtool_link_ksettings_add_link_mode(c, supported, FEC_RS); + ethtool_link_ksettings_add_link_mode(c, advertising, FEC_RS); + } +} + /** * nfp_net_get_link_ksettings - Get Link Speed settings * @netdev: network interface device structure @@ -278,9 +302,11 @@ nfp_net_get_link_ksettings(struct net_device *netdev, port = nfp_port_from_netdev(netdev); eth_port = nfp_port_get_eth_port(port); - if (eth_port) + if (eth_port) { cmd->base.autoneg = eth_port->aneg != NFP_ANEG_DISABLED ? AUTONEG_ENABLE : AUTONEG_DISABLE; + nfp_net_set_fec_link_mode(eth_port, cmd); + } if (!netif_carrier_ok(netdev)) return 0; @@ -686,6 +712,91 @@ static int nfp_port_get_sset_count(struct net_device *netdev, int sset) } } +static int nfp_port_fec_ethtool_to_nsp(u32 fec) +{ + switch (fec) { + case ETHTOOL_FEC_AUTO: + return NFP_FEC_AUTO_BIT; + case ETHTOOL_FEC_OFF: + return NFP_FEC_DISABLED_BIT; + case ETHTOOL_FEC_RS: + return NFP_FEC_REED_SOLOMON_BIT; + case ETHTOOL_FEC_BASER: + return NFP_FEC_BASER_BIT; + default: + /* NSP only supports a single mode at a time */ + return -EOPNOTSUPP; + } +} + +static u32 nfp_port_fec_nsp_to_ethtool(u32 fec) +{ + u32 result = 0; + + if (fec & NFP_FEC_AUTO) + result |= ETHTOOL_FEC_AUTO; + if (fec & NFP_FEC_BASER) + result |= ETHTOOL_FEC_BASER; + if (fec & NFP_FEC_REED_SOLOMON) + result |= ETHTOOL_FEC_RS; + if (fec & NFP_FEC_DISABLED) + result |= ETHTOOL_FEC_OFF; + + return result ?: ETHTOOL_FEC_NONE; +} + +static int +nfp_port_get_fecparam(struct net_device *netdev, + struct ethtool_fecparam *param) +{ + struct nfp_eth_table_port *eth_port; + struct nfp_port *port; + + param->active_fec = ETHTOOL_FEC_NONE_BIT; + param->fec = ETHTOOL_FEC_NONE_BIT; + + port = nfp_port_from_netdev(netdev); + eth_port = nfp_port_get_eth_port(port); + if (!eth_port) + return -EOPNOTSUPP; + + if (!nfp_eth_can_support_fec(eth_port)) + return 0; + + param->fec = nfp_port_fec_nsp_to_ethtool(eth_port->fec_modes_supported); + param->active_fec = nfp_port_fec_nsp_to_ethtool(eth_port->fec); + + return 0; +} + +static int +nfp_port_set_fecparam(struct net_device *netdev, + struct ethtool_fecparam *param) +{ + struct nfp_eth_table_port *eth_port; + struct nfp_port *port; + int err, fec; + + port = nfp_port_from_netdev(netdev); + eth_port = nfp_port_get_eth_port(port); + if (!eth_port) + return -EOPNOTSUPP; + + if (!nfp_eth_can_support_fec(eth_port)) + return -EOPNOTSUPP; + + fec = nfp_port_fec_ethtool_to_nsp(param->fec); + if (fec < 0) + return fec; + + err = nfp_eth_set_fec(port->app->cpp, eth_port->index, fec); + if (!err) + /* Only refresh if we did something */ + nfp_net_refresh_port_table(port); + + return err < 0 ? err : 0; +} + /* RX network flow classification (RSS, filters, etc) */ static u32 ethtool_flow_to_nfp_flag(u32 flow_type) @@ -1144,6 +1255,8 @@ static const struct ethtool_ops nfp_net_ethtool_ops = { .set_channels = nfp_net_set_channels, .get_link_ksettings = nfp_net_get_link_ksettings, .set_link_ksettings = nfp_net_set_link_ksettings, + .get_fecparam = nfp_port_get_fecparam, + .set_fecparam = nfp_port_set_fecparam, }; const struct ethtool_ops nfp_port_ethtool_ops = { @@ -1157,6 +1270,8 @@ const struct ethtool_ops nfp_port_ethtool_ops = { .get_dump_data = nfp_app_get_dump_data, .get_link_ksettings = nfp_net_get_link_ksettings, .set_link_ksettings = nfp_net_set_link_ksettings, + .get_fecparam = nfp_port_get_fecparam, + .set_fecparam = nfp_port_set_fecparam, }; void nfp_net_set_ethtool_ops(struct net_device *netdev) |