diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 445bd0f8c6a2d..0eba4c5bb2ecb 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -39,6 +39,7 @@ #include #include #include +#include #include #include #include @@ -5298,6 +5299,136 @@ static bool mlx5e_tunnel_any_tx_proto_supported(struct mlx5_core_dev *mdev) return (mlx5_vxlan_allowed(mdev->vxlan) || mlx5_geneve_tx_allowed(mdev)); } +static void mlx5e_get_queue_stats_rx(struct net_device *dev, int i, + struct netdev_queue_stats_rx *stats) +{ + struct mlx5e_priv *priv = netdev_priv(dev); + struct mlx5e_channel_stats *channel_stats; + struct mlx5e_rq_stats *xskrq_stats; + struct mlx5e_rq_stats *rq_stats; + + ASSERT_RTNL(); + if (mlx5e_is_uplink_rep(priv)) + return; + + channel_stats = priv->channel_stats[i]; + xskrq_stats = &channel_stats->xskrq; + rq_stats = &channel_stats->rq; + + stats->packets = rq_stats->packets + xskrq_stats->packets; + stats->bytes = rq_stats->bytes + xskrq_stats->bytes; + stats->alloc_fail = rq_stats->buff_alloc_err + + xskrq_stats->buff_alloc_err; +} + +static void mlx5e_get_queue_stats_tx(struct net_device *dev, int i, + struct netdev_queue_stats_tx *stats) +{ + struct mlx5e_priv *priv = netdev_priv(dev); + struct mlx5e_sq_stats *sq_stats; + + ASSERT_RTNL(); + /* no special case needed for ptp htb etc since txq2sq_stats is kept up + * to date for active sq_stats, otherwise get_base_stats takes care of + * inactive sqs. + */ + sq_stats = priv->txq2sq_stats[i]; + stats->packets = sq_stats->packets; + stats->bytes = sq_stats->bytes; +} + +static void mlx5e_get_base_stats(struct net_device *dev, + struct netdev_queue_stats_rx *rx, + struct netdev_queue_stats_tx *tx) +{ + struct mlx5e_priv *priv = netdev_priv(dev); + struct mlx5e_ptp *ptp_channel; + int i, tc; + + ASSERT_RTNL(); + if (!mlx5e_is_uplink_rep(priv)) { + rx->packets = 0; + rx->bytes = 0; + rx->alloc_fail = 0; + + for (i = priv->channels.params.num_channels; i < priv->stats_nch; i++) { + struct netdev_queue_stats_rx rx_i = {0}; + + mlx5e_get_queue_stats_rx(dev, i, &rx_i); + + rx->packets += rx_i.packets; + rx->bytes += rx_i.bytes; + rx->alloc_fail += rx_i.alloc_fail; + } + + /* always report PTP RX stats from base as there is no + * corresponding channel to report them under in + * mlx5e_get_queue_stats_rx. + */ + if (priv->rx_ptp_opened) { + struct mlx5e_rq_stats *rq_stats = &priv->ptp_stats.rq; + + rx->packets += rq_stats->packets; + rx->bytes += rq_stats->bytes; + } + } + + tx->packets = 0; + tx->bytes = 0; + + for (i = 0; i < priv->stats_nch; i++) { + struct mlx5e_channel_stats *channel_stats = priv->channel_stats[i]; + + /* handle two cases: + * + * 1. channels which are active. In this case, + * report only deactivated TCs on these channels. + * + * 2. channels which were deactivated + * (i > priv->channels.params.num_channels) + * must have all of their TCs [0 .. priv->max_opened_tc) + * examined because deactivated channels will not be in the + * range of [0..real_num_tx_queues) and will not have their + * stats reported by mlx5e_get_queue_stats_tx. + */ + if (i < priv->channels.params.num_channels) + tc = mlx5e_get_dcb_num_tc(&priv->channels.params); + else + tc = 0; + + for (; tc < priv->max_opened_tc; tc++) { + struct mlx5e_sq_stats *sq_stats = &channel_stats->sq[tc]; + + tx->packets += sq_stats->packets; + tx->bytes += sq_stats->bytes; + } + } + + /* if PTP TX was opened at some point and has since either: + * - been shutdown and set to NULL, or + * - simply disabled (bit unset) + * + * report stats directly from the ptp_stats structures as these queues + * are now unavailable and there is no txq index to retrieve these + * stats via calls to mlx5e_get_queue_stats_tx. + */ + ptp_channel = priv->channels.ptp; + if (priv->tx_ptp_opened && (!ptp_channel || !test_bit(MLX5E_PTP_STATE_TX, ptp_channel->state))) { + for (tc = 0; tc < priv->max_opened_tc; tc++) { + struct mlx5e_sq_stats *sq_stats = &priv->ptp_stats.sq[tc]; + + tx->packets += sq_stats->packets; + tx->bytes += sq_stats->bytes; + } + } +} + +static const struct netdev_stat_ops mlx5e_stat_ops = { + .get_queue_stats_rx = mlx5e_get_queue_stats_rx, + .get_queue_stats_tx = mlx5e_get_queue_stats_tx, + .get_base_stats = mlx5e_get_base_stats, +}; + static void mlx5e_build_nic_netdev(struct net_device *netdev) { struct mlx5e_priv *priv = netdev_priv(netdev); @@ -5315,6 +5446,7 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev) netdev->watchdog_timeo = 15 * HZ; + netdev->stat_ops = &mlx5e_stat_ops; netdev->ethtool_ops = &mlx5e_ethtool_ops; netdev->vlan_features |= NETIF_F_SG;