diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_ethtool.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c index d5cc934d1359..2924ac61300d 100644 --- a/drivers/net/ethernet/intel/ice/ice_ethtool.c +++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c @@ -4716,6 +4716,81 @@ static void ice_get_fec_stats(struct net_device *netdev, pi->lport, err); } +#define ICE_ETHTOOL_PFR (ETH_RESET_IRQ | ETH_RESET_DMA | \ + ETH_RESET_FILTER | ETH_RESET_OFFLOAD) + +#define ICE_ETHTOOL_CORER ((ICE_ETHTOOL_PFR | ETH_RESET_RAM) << \ + ETH_RESET_SHARED_SHIFT) + +#define ICE_ETHTOOL_GLOBR (ICE_ETHTOOL_CORER | \ + (ETH_RESET_MAC << ETH_RESET_SHARED_SHIFT) | \ + (ETH_RESET_PHY << ETH_RESET_SHARED_SHIFT)) + +#define ICE_ETHTOOL_VFR ICE_ETHTOOL_PFR + +/** + * ice_ethtool_reset - triggers a given type of reset + * @dev: network interface device structure + * @flags: set of reset flags + * + * Return: 0 on success, -EOPNOTSUPP when using unsupported set of flags. + */ +static int ice_ethtool_reset(struct net_device *dev, u32 *flags) +{ + struct ice_netdev_priv *np = netdev_priv(dev); + struct ice_pf *pf = np->vsi->back; + enum ice_reset_req reset; + + switch (*flags) { + case ICE_ETHTOOL_CORER: + reset = ICE_RESET_CORER; + break; + case ICE_ETHTOOL_GLOBR: + reset = ICE_RESET_GLOBR; + break; + case ICE_ETHTOOL_PFR: + reset = ICE_RESET_PFR; + break; + default: + netdev_info(dev, "Unsupported set of ethtool flags"); + return -EOPNOTSUPP; + } + + ice_schedule_reset(pf, reset); + + *flags = 0; + + return 0; +} + +/** + * ice_repr_ethtool_reset - triggers a VF reset + * @dev: network interface device structure + * @flags: set of reset flags + * + * Return: 0 on success, + * -EOPNOTSUPP when using unsupported set of flags + * -EBUSY when VF is not ready for reset. + */ +static int ice_repr_ethtool_reset(struct net_device *dev, u32 *flags) +{ + struct ice_repr *repr = ice_netdev_to_repr(dev); + struct ice_vf *vf; + + if (repr->type != ICE_REPR_TYPE_VF || + *flags != ICE_ETHTOOL_VFR) + return -EOPNOTSUPP; + + vf = repr->vf; + + if (ice_check_vf_ready_for_cfg(vf)) + return -EBUSY; + + *flags = 0; + + return ice_reset_vf(vf, ICE_VF_RESET_VFLR | ICE_VF_RESET_LOCK); +} + static const struct ethtool_ops ice_ethtool_ops = { .cap_rss_ctx_supported = true, .supported_coalesce_params = ETHTOOL_COALESCE_USECS | @@ -4752,6 +4827,7 @@ static const struct ethtool_ops ice_ethtool_ops = { .nway_reset = ice_nway_reset, .get_pauseparam = ice_get_pauseparam, .set_pauseparam = ice_set_pauseparam, + .reset = ice_ethtool_reset, .get_rxfh_key_size = ice_get_rxfh_key_size, .get_rxfh_indir_size = ice_get_rxfh_indir_size, .get_rxfh = ice_get_rxfh, @@ -4804,6 +4880,7 @@ static const struct ethtool_ops ice_ethtool_repr_ops = { .get_strings = ice_repr_get_strings, .get_ethtool_stats = ice_repr_get_ethtool_stats, .get_sset_count = ice_repr_get_sset_count, + .reset = ice_repr_ethtool_reset, }; /** |