diff options
-rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c | 26 | ||||
-rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 6 | ||||
-rw-r--r-- | drivers/net/ethernet/cisco/enic/enic_ethtool.c | 23 | ||||
-rw-r--r-- | drivers/net/ethernet/hisilicon/hip04_eth.c | 16 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/e1000e/ethtool.c | 1 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_ethtool.c | 59 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 3 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | 6 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c | 3 | ||||
-rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c | 22 | ||||
-rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_ethtool.c | 23 | ||||
-rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c | 16 | ||||
-rw-r--r-- | drivers/net/virtio_net.c | 14 | ||||
-rw-r--r-- | include/linux/ethtool.h | 45 | ||||
-rw-r--r-- | net/ethtool/ioctl.c | 66 |
15 files changed, 146 insertions, 183 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c index b23c8ee24ee3..61f39a0e04f9 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c @@ -450,30 +450,6 @@ static int xgbe_set_coalesce(struct net_device *netdev, unsigned int rx_frames, rx_riwt, rx_usecs; unsigned int tx_frames; - /* Check for not supported parameters */ - if ((ec->rx_coalesce_usecs_irq) || - (ec->rx_max_coalesced_frames_irq) || - (ec->tx_coalesce_usecs) || - (ec->tx_coalesce_usecs_irq) || - (ec->tx_max_coalesced_frames_irq) || - (ec->stats_block_coalesce_usecs) || - (ec->use_adaptive_rx_coalesce) || - (ec->use_adaptive_tx_coalesce) || - (ec->pkt_rate_low) || - (ec->rx_coalesce_usecs_low) || - (ec->rx_max_coalesced_frames_low) || - (ec->tx_coalesce_usecs_low) || - (ec->tx_max_coalesced_frames_low) || - (ec->pkt_rate_high) || - (ec->rx_coalesce_usecs_high) || - (ec->rx_max_coalesced_frames_high) || - (ec->tx_coalesce_usecs_high) || - (ec->tx_max_coalesced_frames_high) || - (ec->rate_sample_interval)) { - netdev_err(netdev, "unsupported coalescing parameter\n"); - return -EOPNOTSUPP; - } - rx_riwt = hw_if->usec_to_riwt(pdata, ec->rx_coalesce_usecs); rx_usecs = ec->rx_coalesce_usecs; rx_frames = ec->rx_max_coalesced_frames; @@ -837,6 +813,8 @@ out: } static const struct ethtool_ops xgbe_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS | + ETHTOOL_COALESCE_MAX_FRAMES, .get_drvinfo = xgbe_get_drvinfo, .get_msglevel = xgbe_get_msglevel, .set_msglevel = xgbe_set_msglevel, diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 7e84f1dc9d87..1fa3a12b5196 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -3472,6 +3472,12 @@ void bnxt_ethtool_free(struct bnxt *bp) } const struct ethtool_ops bnxt_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_USECS | + ETHTOOL_COALESCE_MAX_FRAMES | + ETHTOOL_COALESCE_USECS_IRQ | + ETHTOOL_COALESCE_MAX_FRAMES_IRQ | + ETHTOOL_COALESCE_STATS_BLOCK_USECS | + ETHTOOL_COALESCE_USE_ADAPTIVE_RX, .get_link_ksettings = bnxt_get_link_ksettings, .set_link_ksettings = bnxt_set_link_ksettings, .get_pauseparam = bnxt_get_pauseparam, diff --git a/drivers/net/ethernet/cisco/enic/enic_ethtool.c b/drivers/net/ethernet/cisco/enic/enic_ethtool.c index 84ff0e6ec33e..4d8e0aa447fb 100644 --- a/drivers/net/ethernet/cisco/enic/enic_ethtool.c +++ b/drivers/net/ethernet/cisco/enic/enic_ethtool.c @@ -323,25 +323,6 @@ static int enic_coalesce_valid(struct enic *enic, u32 rx_coalesce_usecs_low = min_t(u32, coalesce_usecs_max, ec->rx_coalesce_usecs_low); - if (ec->rx_max_coalesced_frames || - ec->rx_coalesce_usecs_irq || - ec->rx_max_coalesced_frames_irq || - ec->tx_max_coalesced_frames || - ec->tx_coalesce_usecs_irq || - ec->tx_max_coalesced_frames_irq || - ec->stats_block_coalesce_usecs || - ec->use_adaptive_tx_coalesce || - ec->pkt_rate_low || - ec->rx_max_coalesced_frames_low || - ec->tx_coalesce_usecs_low || - ec->tx_max_coalesced_frames_low || - ec->pkt_rate_high || - ec->rx_max_coalesced_frames_high || - ec->tx_coalesce_usecs_high || - ec->tx_max_coalesced_frames_high || - ec->rate_sample_interval) - return -EINVAL; - if ((vnic_dev_get_intr_mode(enic->vdev) != VNIC_DEV_INTR_MODE_MSIX) && ec->tx_coalesce_usecs) return -EINVAL; @@ -635,6 +616,10 @@ static int enic_get_ts_info(struct net_device *netdev, } static const struct ethtool_ops enic_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_USECS | + ETHTOOL_COALESCE_USE_ADAPTIVE_RX | + ETHTOOL_COALESCE_RX_USECS_LOW | + ETHTOOL_COALESCE_RX_USECS_HIGH, .get_drvinfo = enic_get_drvinfo, .get_msglevel = enic_get_msglevel, .set_msglevel = enic_set_msglevel, diff --git a/drivers/net/ethernet/hisilicon/hip04_eth.c b/drivers/net/ethernet/hisilicon/hip04_eth.c index d9718b87279d..12f6c2442a7a 100644 --- a/drivers/net/ethernet/hisilicon/hip04_eth.c +++ b/drivers/net/ethernet/hisilicon/hip04_eth.c @@ -811,20 +811,6 @@ static int hip04_set_coalesce(struct net_device *netdev, { struct hip04_priv *priv = netdev_priv(netdev); - /* Check not supported parameters */ - if ((ec->rx_max_coalesced_frames) || (ec->rx_coalesce_usecs_irq) || - (ec->rx_max_coalesced_frames_irq) || (ec->tx_coalesce_usecs_irq) || - (ec->use_adaptive_rx_coalesce) || (ec->use_adaptive_tx_coalesce) || - (ec->pkt_rate_low) || (ec->rx_coalesce_usecs_low) || - (ec->rx_max_coalesced_frames_low) || (ec->tx_coalesce_usecs_high) || - (ec->tx_max_coalesced_frames_low) || (ec->pkt_rate_high) || - (ec->tx_coalesce_usecs_low) || (ec->rx_coalesce_usecs_high) || - (ec->rx_max_coalesced_frames_high) || (ec->rx_coalesce_usecs) || - (ec->tx_max_coalesced_frames_irq) || - (ec->stats_block_coalesce_usecs) || - (ec->tx_max_coalesced_frames_high) || (ec->rate_sample_interval)) - return -EOPNOTSUPP; - if ((ec->tx_coalesce_usecs > HIP04_MAX_TX_COALESCE_USECS || ec->tx_coalesce_usecs < HIP04_MIN_TX_COALESCE_USECS) || (ec->tx_max_coalesced_frames > HIP04_MAX_TX_COALESCE_FRAMES || @@ -845,6 +831,8 @@ static void hip04_get_drvinfo(struct net_device *netdev, } static const struct ethtool_ops hip04_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_TX_USECS | + ETHTOOL_COALESCE_TX_MAX_FRAMES, .get_coalesce = hip04_get_coalesce, .set_coalesce = hip04_set_coalesce, .get_drvinfo = hip04_get_drvinfo, diff --git a/drivers/net/ethernet/intel/e1000e/ethtool.c b/drivers/net/ethernet/intel/e1000e/ethtool.c index 9e7881db7859..1d47e2503072 100644 --- a/drivers/net/ethernet/intel/e1000e/ethtool.c +++ b/drivers/net/ethernet/intel/e1000e/ethtool.c @@ -2307,6 +2307,7 @@ static int e1000e_get_ts_info(struct net_device *netdev, } static const struct ethtool_ops e1000_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS, .get_drvinfo = e1000_get_drvinfo, .get_regs_len = e1000_get_regs_len, .get_regs = e1000_get_regs, diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c index ab37dddb225b..a016ab1f7f09 100644 --- a/drivers/net/ethernet/intel/ice/ice_ethtool.c +++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c @@ -3452,12 +3452,6 @@ ice_set_rc_coalesce(enum ice_container_type c_type, struct ethtool_coalesce *ec, break; case ICE_TX_CONTAINER: - if (ec->tx_coalesce_usecs_high) { - netdev_info(vsi->netdev, "setting %s-usecs-high is not supported\n", - c_type_str); - return -EINVAL; - } - use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; coalesce_usecs = ec->tx_coalesce_usecs; @@ -3534,53 +3528,6 @@ ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) } /** - * ice_is_coalesce_param_invalid - check for unsupported coalesce parameters - * @netdev: pointer to the netdev associated with this query - * @ec: ethtool structure to fill with driver's coalesce settings - * - * Print netdev info if driver doesn't support one of the parameters - * and return error. When any parameters will be implemented, remove only - * this parameter from param array. - */ -static int -ice_is_coalesce_param_invalid(struct net_device *netdev, - struct ethtool_coalesce *ec) -{ - struct ice_ethtool_not_used { - u32 value; - const char *name; - } param[] = { - {ec->stats_block_coalesce_usecs, "stats-block-usecs"}, - {ec->rate_sample_interval, "sample-interval"}, - {ec->pkt_rate_low, "pkt-rate-low"}, - {ec->pkt_rate_high, "pkt-rate-high"}, - {ec->rx_max_coalesced_frames, "rx-frames"}, - {ec->rx_coalesce_usecs_irq, "rx-usecs-irq"}, - {ec->rx_max_coalesced_frames_irq, "rx-frames-irq"}, - {ec->tx_max_coalesced_frames, "tx-frames"}, - {ec->tx_coalesce_usecs_irq, "tx-usecs-irq"}, - {ec->tx_max_coalesced_frames_irq, "tx-frames-irq"}, - {ec->rx_coalesce_usecs_low, "rx-usecs-low"}, - {ec->rx_max_coalesced_frames_low, "rx-frames-low"}, - {ec->tx_coalesce_usecs_low, "tx-usecs-low"}, - {ec->tx_max_coalesced_frames_low, "tx-frames-low"}, - {ec->rx_max_coalesced_frames_high, "rx-frames-high"}, - {ec->tx_max_coalesced_frames_high, "tx-frames-high"} - }; - int i; - - for (i = 0; i < ARRAY_SIZE(param); i++) { - if (param[i].value) { - netdev_info(netdev, "Setting %s not supported\n", - param[i].name); - return -EINVAL; - } - } - - return 0; -} - -/** * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs * @netdev: netdev used for print * @itr_setting: previous user setting @@ -3620,9 +3567,6 @@ __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; - if (ice_is_coalesce_param_invalid(netdev, ec)) - return -EINVAL; - if (q_num < 0) { struct ice_q_vector *q_vector = vsi->q_vectors[0]; int v_idx; @@ -3817,6 +3761,9 @@ ice_get_module_eeprom(struct net_device *netdev, } static const struct ethtool_ops ice_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_USECS | + ETHTOOL_COALESCE_USE_ADAPTIVE | + ETHTOOL_COALESCE_RX_USECS_HIGH, .get_link_ksettings = ice_get_link_ksettings, .set_link_ksettings = ice_set_link_ksettings, .get_drvinfo = ice_get_drvinfo, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index 06f6f08ff5eb..01539b874b5e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -1965,6 +1965,9 @@ static int mlx5e_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) } const struct ethtool_ops mlx5e_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_USECS | + ETHTOOL_COALESCE_MAX_FRAMES | + ETHTOOL_COALESCE_USE_ADAPTIVE, .get_drvinfo = mlx5e_get_drvinfo, .get_link = ethtool_op_get_link, .get_strings = mlx5e_get_strings, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index 1a8897f80547..c506143c8559 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -376,6 +376,9 @@ static int mlx5e_uplink_rep_set_link_ksettings(struct net_device *netdev, } static const struct ethtool_ops mlx5e_rep_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_USECS | + ETHTOOL_COALESCE_MAX_FRAMES | + ETHTOOL_COALESCE_USE_ADAPTIVE, .get_drvinfo = mlx5e_rep_get_drvinfo, .get_link = ethtool_op_get_link, .get_strings = mlx5e_rep_get_strings, @@ -392,6 +395,9 @@ static const struct ethtool_ops mlx5e_rep_ethtool_ops = { }; static const struct ethtool_ops mlx5e_uplink_rep_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_USECS | + ETHTOOL_COALESCE_MAX_FRAMES | + ETHTOOL_COALESCE_USE_ADAPTIVE, .get_drvinfo = mlx5e_uplink_rep_get_drvinfo, .get_link = ethtool_op_get_link, .get_strings = mlx5e_rep_get_strings, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c index 90cb50fe17fd..1eef66ee849e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c @@ -235,6 +235,9 @@ static int mlx5i_get_link_ksettings(struct net_device *netdev, } const struct ethtool_ops mlx5i_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_USECS | + ETHTOOL_COALESCE_MAX_FRAMES | + ETHTOOL_COALESCE_USE_ADAPTIVE, .get_drvinfo = mlx5i_get_drvinfo, .get_strings = mlx5i_get_strings, .get_sset_count = mlx5i_get_sset_count, diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c index d648e32c0520..2779f1526d1e 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c @@ -1343,26 +1343,6 @@ static int nfp_net_set_coalesce(struct net_device *netdev, struct nfp_net *nn = netdev_priv(netdev); unsigned int factor; - if (ec->rx_coalesce_usecs_irq || - ec->rx_max_coalesced_frames_irq || - ec->tx_coalesce_usecs_irq || - ec->tx_max_coalesced_frames_irq || - ec->stats_block_coalesce_usecs || - ec->use_adaptive_rx_coalesce || - ec->use_adaptive_tx_coalesce || - ec->pkt_rate_low || - ec->rx_coalesce_usecs_low || - ec->rx_max_coalesced_frames_low || - ec->tx_coalesce_usecs_low || - ec->tx_max_coalesced_frames_low || - ec->pkt_rate_high || - ec->rx_coalesce_usecs_high || - ec->rx_max_coalesced_frames_high || - ec->tx_coalesce_usecs_high || - ec->tx_max_coalesced_frames_high || - ec->rate_sample_interval) - return -EOPNOTSUPP; - /* Compute factor used to convert coalesce '_usecs' parameters to * ME timestamp ticks. There are 16 ME clock cycles for each timestamp * count. @@ -1476,6 +1456,8 @@ static int nfp_net_set_channels(struct net_device *netdev, } static const struct ethtool_ops nfp_net_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_USECS | + ETHTOOL_COALESCE_MAX_FRAMES, .get_drvinfo = nfp_net_get_drvinfo, .get_link = ethtool_op_get_link, .get_ringparam = nfp_net_get_ringparam, diff --git a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c index f778fff034f5..b3a113a15ab1 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c @@ -412,28 +412,6 @@ static int ionic_set_coalesce(struct net_device *netdev, unsigned int i; u32 coal; - if (coalesce->rx_max_coalesced_frames || - coalesce->rx_coalesce_usecs_irq || - coalesce->rx_max_coalesced_frames_irq || - coalesce->tx_max_coalesced_frames || - coalesce->tx_coalesce_usecs_irq || - coalesce->tx_max_coalesced_frames_irq || - coalesce->stats_block_coalesce_usecs || - coalesce->use_adaptive_rx_coalesce || - coalesce->use_adaptive_tx_coalesce || - coalesce->pkt_rate_low || - coalesce->rx_coalesce_usecs_low || - coalesce->rx_max_coalesced_frames_low || - coalesce->tx_coalesce_usecs_low || - coalesce->tx_max_coalesced_frames_low || - coalesce->pkt_rate_high || - coalesce->rx_coalesce_usecs_high || - coalesce->rx_max_coalesced_frames_high || - coalesce->tx_coalesce_usecs_high || - coalesce->tx_max_coalesced_frames_high || - coalesce->rate_sample_interval) - return -EINVAL; - ident = &lif->ionic->ident; if (ident->dev.intr_coal_div == 0) { netdev_warn(netdev, "bad HW value in dev.intr_coal_div = %d\n", @@ -784,6 +762,7 @@ static int ionic_nway_reset(struct net_device *netdev) } static const struct ethtool_ops ionic_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_USECS, .get_drvinfo = ionic_get_drvinfo, .get_regs_len = ionic_get_regs_len, .get_regs = ionic_get_regs, diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c index b29603ec744c..eae11c585025 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c @@ -732,20 +732,6 @@ static int stmmac_set_coalesce(struct net_device *dev, u32 rx_cnt = priv->plat->rx_queues_to_use; unsigned int rx_riwt; - /* Check not supported parameters */ - if ((ec->rx_coalesce_usecs_irq) || - (ec->rx_max_coalesced_frames_irq) || (ec->tx_coalesce_usecs_irq) || - (ec->use_adaptive_rx_coalesce) || (ec->use_adaptive_tx_coalesce) || - (ec->pkt_rate_low) || (ec->rx_coalesce_usecs_low) || - (ec->rx_max_coalesced_frames_low) || (ec->tx_coalesce_usecs_high) || - (ec->tx_max_coalesced_frames_low) || (ec->pkt_rate_high) || - (ec->tx_coalesce_usecs_low) || (ec->rx_coalesce_usecs_high) || - (ec->rx_max_coalesced_frames_high) || - (ec->tx_max_coalesced_frames_irq) || - (ec->stats_block_coalesce_usecs) || - (ec->tx_max_coalesced_frames_high) || (ec->rate_sample_interval)) - return -EOPNOTSUPP; - if (priv->use_riwt && (ec->rx_coalesce_usecs > 0)) { rx_riwt = stmmac_usec2riwt(ec->rx_coalesce_usecs, priv); @@ -914,6 +900,8 @@ static int stmmac_set_tunable(struct net_device *dev, } static const struct ethtool_ops stmmac_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_USECS | + ETHTOOL_COALESCE_MAX_FRAMES, .begin = stmmac_check_if_running, .get_drvinfo = stmmac_ethtool_getdrvinfo, .get_msglevel = stmmac_ethtool_getmsglevel, diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 84c0d9581f93..11f722460513 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -2202,23 +2202,14 @@ static int virtnet_get_link_ksettings(struct net_device *dev, static int virtnet_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec) { - struct ethtool_coalesce ec_default = { - .cmd = ETHTOOL_SCOALESCE, - .rx_max_coalesced_frames = 1, - }; struct virtnet_info *vi = netdev_priv(dev); int i, napi_weight; - if (ec->tx_max_coalesced_frames > 1) + if (ec->tx_max_coalesced_frames > 1 || + ec->rx_max_coalesced_frames != 1) return -EINVAL; - ec_default.tx_max_coalesced_frames = ec->tx_max_coalesced_frames; napi_weight = ec->tx_max_coalesced_frames ? NAPI_POLL_WEIGHT : 0; - - /* disallow changes to fields not explicitly tested above */ - if (memcmp(ec, &ec_default, sizeof(ec_default))) - return -EINVAL; - if (napi_weight ^ vi->sq[0].napi.weight) { if (dev->flags & IFF_UP) return -EBUSY; @@ -2273,6 +2264,7 @@ static void virtnet_update_settings(struct virtnet_info *vi) } static const struct ethtool_ops virtnet_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_MAX_FRAMES, .get_drvinfo = virtnet_get_drvinfo, .get_link = ethtool_op_get_link, .get_ringparam = virtnet_get_ringparam, diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index 23373978cb3c..e464c946bca4 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -177,8 +177,44 @@ void ethtool_convert_legacy_u32_to_link_mode(unsigned long *dst, bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32, const unsigned long *src); +#define ETHTOOL_COALESCE_RX_USECS BIT(0) +#define ETHTOOL_COALESCE_RX_MAX_FRAMES BIT(1) +#define ETHTOOL_COALESCE_RX_USECS_IRQ BIT(2) +#define ETHTOOL_COALESCE_RX_MAX_FRAMES_IRQ BIT(3) +#define ETHTOOL_COALESCE_TX_USECS BIT(4) +#define ETHTOOL_COALESCE_TX_MAX_FRAMES BIT(5) +#define ETHTOOL_COALESCE_TX_USECS_IRQ BIT(6) +#define ETHTOOL_COALESCE_TX_MAX_FRAMES_IRQ BIT(7) +#define ETHTOOL_COALESCE_STATS_BLOCK_USECS BIT(8) +#define ETHTOOL_COALESCE_USE_ADAPTIVE_RX BIT(9) +#define ETHTOOL_COALESCE_USE_ADAPTIVE_TX BIT(10) +#define ETHTOOL_COALESCE_PKT_RATE_LOW BIT(11) +#define ETHTOOL_COALESCE_RX_USECS_LOW BIT(12) +#define ETHTOOL_COALESCE_RX_MAX_FRAMES_LOW BIT(13) +#define ETHTOOL_COALESCE_TX_USECS_LOW BIT(14) +#define ETHTOOL_COALESCE_TX_MAX_FRAMES_LOW BIT(15) +#define ETHTOOL_COALESCE_PKT_RATE_HIGH BIT(16) +#define ETHTOOL_COALESCE_RX_USECS_HIGH BIT(17) +#define ETHTOOL_COALESCE_RX_MAX_FRAMES_HIGH BIT(18) +#define ETHTOOL_COALESCE_TX_USECS_HIGH BIT(19) +#define ETHTOOL_COALESCE_TX_MAX_FRAMES_HIGH BIT(20) +#define ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL BIT(21) + +#define ETHTOOL_COALESCE_USECS \ + (ETHTOOL_COALESCE_RX_USECS | ETHTOOL_COALESCE_TX_USECS) +#define ETHTOOL_COALESCE_MAX_FRAMES \ + (ETHTOOL_COALESCE_RX_MAX_FRAMES | ETHTOOL_COALESCE_TX_MAX_FRAMES) +#define ETHTOOL_COALESCE_USECS_IRQ \ + (ETHTOOL_COALESCE_RX_USECS_IRQ | ETHTOOL_COALESCE_TX_USECS_IRQ) +#define ETHTOOL_COALESCE_MAX_FRAMES_IRQ \ + (ETHTOOL_COALESCE_RX_MAX_FRAMES_IRQ | \ + ETHTOOL_COALESCE_TX_MAX_FRAMES_IRQ) +#define ETHTOOL_COALESCE_USE_ADAPTIVE \ + (ETHTOOL_COALESCE_USE_ADAPTIVE_RX | ETHTOOL_COALESCE_USE_ADAPTIVE_TX) + /** * struct ethtool_ops - optional netdev operations + * @supported_coalesce_params: supported types of interrupt coalescing. * @get_drvinfo: Report driver/device information. Should only set the * @driver, @version, @fw_version and @bus_info fields. If not * implemented, the @driver and @bus_info fields will be filled in @@ -207,8 +243,9 @@ bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32, * or zero. * @get_coalesce: Get interrupt coalescing parameters. Returns a negative * error code or zero. - * @set_coalesce: Set interrupt coalescing parameters. Returns a negative - * error code or zero. + * @set_coalesce: Set interrupt coalescing parameters. Supported coalescing + * types should be set in @supported_coalesce_params. + * Returns a negative error code or zero. * @get_ringparam: Report ring sizes * @set_ringparam: Set ring sizes. Returns a negative error code or zero. * @get_pauseparam: Report pause parameters @@ -292,7 +329,8 @@ bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32, * @set_per_queue_coalesce: Set interrupt coalescing parameters per queue. * It must check that the given queue number is valid. If neither a RX nor * a TX queue has this number, return -EINVAL. If only a RX queue or a TX - * queue has this number, ignore the inapplicable fields. + * queue has this number, ignore the inapplicable fields. Supported + * coalescing types should be set in @supported_coalesce_params. * Returns a negative error code or zero. * @get_link_ksettings: Get various device settings including Ethernet link * settings. The %cmd and %link_mode_masks_nwords fields should be @@ -323,6 +361,7 @@ bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32, * of the generic netdev features interface. */ struct ethtool_ops { + u32 supported_coalesce_params; void (*get_drvinfo)(struct net_device *, struct ethtool_drvinfo *); int (*get_regs_len)(struct net_device *); void (*get_regs)(struct net_device *, struct ethtool_regs *, void *); diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c index f2fe8e5896dc..b2684ffa26de 100644 --- a/net/ethtool/ioctl.c +++ b/net/ethtool/ioctl.c @@ -1544,6 +1544,64 @@ static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev, return 0; } +static bool +ethtool_set_coalesce_supported(struct net_device *dev, + struct ethtool_coalesce *coalesce) +{ + u32 supported_params = dev->ethtool_ops->supported_coalesce_params; + u32 nonzero_params = 0; + + if (!supported_params) + return true; + + if (coalesce->rx_coalesce_usecs) + nonzero_params |= ETHTOOL_COALESCE_RX_USECS; + if (coalesce->rx_max_coalesced_frames) + nonzero_params |= ETHTOOL_COALESCE_RX_MAX_FRAMES; + if (coalesce->rx_coalesce_usecs_irq) + nonzero_params |= ETHTOOL_COALESCE_RX_USECS_IRQ; + if (coalesce->rx_max_coalesced_frames_irq) + nonzero_params |= ETHTOOL_COALESCE_RX_MAX_FRAMES_IRQ; + if (coalesce->tx_coalesce_usecs) + nonzero_params |= ETHTOOL_COALESCE_TX_USECS; + if (coalesce->tx_max_coalesced_frames) + nonzero_params |= ETHTOOL_COALESCE_TX_MAX_FRAMES; + if (coalesce->tx_coalesce_usecs_irq) + nonzero_params |= ETHTOOL_COALESCE_TX_USECS_IRQ; + if (coalesce->tx_max_coalesced_frames_irq) + nonzero_params |= ETHTOOL_COALESCE_TX_MAX_FRAMES_IRQ; + if (coalesce->stats_block_coalesce_usecs) + nonzero_params |= ETHTOOL_COALESCE_STATS_BLOCK_USECS; + if (coalesce->use_adaptive_rx_coalesce) + nonzero_params |= ETHTOOL_COALESCE_USE_ADAPTIVE_RX; + if (coalesce->use_adaptive_tx_coalesce) + nonzero_params |= ETHTOOL_COALESCE_USE_ADAPTIVE_TX; + if (coalesce->pkt_rate_low) + nonzero_params |= ETHTOOL_COALESCE_PKT_RATE_LOW; + if (coalesce->rx_coalesce_usecs_low) + nonzero_params |= ETHTOOL_COALESCE_RX_USECS_LOW; + if (coalesce->rx_max_coalesced_frames_low) + nonzero_params |= ETHTOOL_COALESCE_RX_MAX_FRAMES_LOW; + if (coalesce->tx_coalesce_usecs_low) + nonzero_params |= ETHTOOL_COALESCE_TX_USECS_LOW; + if (coalesce->tx_max_coalesced_frames_low) + nonzero_params |= ETHTOOL_COALESCE_TX_MAX_FRAMES_LOW; + if (coalesce->pkt_rate_high) + nonzero_params |= ETHTOOL_COALESCE_PKT_RATE_HIGH; + if (coalesce->rx_coalesce_usecs_high) + nonzero_params |= ETHTOOL_COALESCE_RX_USECS_HIGH; + if (coalesce->rx_max_coalesced_frames_high) + nonzero_params |= ETHTOOL_COALESCE_RX_MAX_FRAMES_HIGH; + if (coalesce->tx_coalesce_usecs_high) + nonzero_params |= ETHTOOL_COALESCE_TX_USECS_HIGH; + if (coalesce->tx_max_coalesced_frames_high) + nonzero_params |= ETHTOOL_COALESCE_TX_MAX_FRAMES_HIGH; + if (coalesce->rate_sample_interval) + nonzero_params |= ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL; + + return (supported_params & nonzero_params) == nonzero_params; +} + static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev, void __user *useraddr) { @@ -1555,6 +1613,9 @@ static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev, if (copy_from_user(&coalesce, useraddr, sizeof(coalesce))) return -EFAULT; + if (!ethtool_set_coalesce_supported(dev, &coalesce)) + return -EOPNOTSUPP; + return dev->ethtool_ops->set_coalesce(dev, &coalesce); } @@ -2336,6 +2397,11 @@ ethtool_set_per_queue_coalesce(struct net_device *dev, goto roll_back; } + if (!ethtool_set_coalesce_supported(dev, &coalesce)) { + ret = -EOPNOTSUPP; + goto roll_back; + } + ret = dev->ethtool_ops->set_per_queue_coalesce(dev, bit, &coalesce); if (ret != 0) goto roll_back; |