diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_port.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_port.c | 360 |
1 files changed, 288 insertions, 72 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_port.c b/drivers/net/ethernet/mellanox/mlx4/en_port.c index 331791467a22..532997eba698 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_port.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_port.c @@ -56,7 +56,6 @@ int mlx4_SET_VLAN_FLTR(struct mlx4_dev *dev, struct mlx4_en_priv *priv) return PTR_ERR(mailbox); filter = mailbox->buf; - memset(filter, 0, sizeof(*filter)); for (i = VLAN_FLTR_SIZE - 1; i >= 0; i--) { entry = 0; for (j = 0; j < 32; j++) @@ -81,7 +80,6 @@ int mlx4_en_QUERY_PORT(struct mlx4_en_dev *mdev, u8 port) mailbox = mlx4_alloc_cmd_mailbox(mdev->dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); - memset(mailbox->buf, 0, sizeof(*qport_context)); err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0, MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED); @@ -93,128 +91,346 @@ int mlx4_en_QUERY_PORT(struct mlx4_en_dev *mdev, u8 port) * already synchronized, no need in locking */ state->link_state = !!(qport_context->link_up & MLX4_EN_LINK_UP_MASK); switch (qport_context->link_speed & MLX4_EN_SPEED_MASK) { + case MLX4_EN_100M_SPEED: + state->link_speed = SPEED_100; + break; case MLX4_EN_1G_SPEED: - state->link_speed = 1000; + state->link_speed = SPEED_1000; break; case MLX4_EN_10G_SPEED_XAUI: case MLX4_EN_10G_SPEED_XFI: - state->link_speed = 10000; + state->link_speed = SPEED_10000; + break; + case MLX4_EN_20G_SPEED: + state->link_speed = SPEED_20000; break; case MLX4_EN_40G_SPEED: - state->link_speed = 40000; + state->link_speed = SPEED_40000; + break; + case MLX4_EN_56G_SPEED: + state->link_speed = SPEED_56000; break; default: state->link_speed = -1; break; } - state->transciver = qport_context->transceiver; + + state->transceiver = qport_context->transceiver; + + state->flags = 0; /* Reset and recalculate the port flags */ + state->flags |= (qport_context->link_up & MLX4_EN_ANC_MASK) ? + MLX4_EN_PORT_ANC : 0; + state->flags |= (qport_context->autoneg & MLX4_EN_AUTONEG_MASK) ? + MLX4_EN_PORT_ANE : 0; out: mlx4_free_cmd_mailbox(mdev->dev, mailbox); return err; } +/* Each counter set is located in struct mlx4_en_stat_out_mbox + * with a const offset between its prio components. + * This function runs over a counter set and sum all of it's prio components. + */ +static unsigned long en_stats_adder(__be64 *start, __be64 *next, int num) +{ + __be64 *curr = start; + unsigned long ret = 0; + int i; + int offset = next - start; + + for (i = 0; i < num; i++) { + ret += be64_to_cpu(*curr); + curr += offset; + } + + return ret; +} + +void mlx4_en_fold_software_stats(struct net_device *dev) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + struct mlx4_en_dev *mdev = priv->mdev; + unsigned long packets, bytes; + int i; + + if (!priv->port_up || mlx4_is_master(mdev->dev)) + return; + + packets = 0; + bytes = 0; + for (i = 0; i < priv->rx_ring_num; i++) { + const struct mlx4_en_rx_ring *ring = priv->rx_ring[i]; + + packets += READ_ONCE(ring->packets); + bytes += READ_ONCE(ring->bytes); + } + dev->stats.rx_packets = packets; + dev->stats.rx_bytes = bytes; + + packets = 0; + bytes = 0; + for (i = 0; i < priv->tx_ring_num[TX]; i++) { + const struct mlx4_en_tx_ring *ring = priv->tx_ring[TX][i]; + + packets += READ_ONCE(ring->packets); + bytes += READ_ONCE(ring->bytes); + } + dev->stats.tx_packets = packets; + dev->stats.tx_bytes = bytes; +} + int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset) { + struct mlx4_counter tmp_counter_stats; struct mlx4_en_stat_out_mbox *mlx4_en_stats; - struct mlx4_en_priv *priv = netdev_priv(mdev->pndev[port]); - struct net_device_stats *stats = &priv->stats; - struct mlx4_cmd_mailbox *mailbox; + struct mlx4_en_stat_out_flow_control_mbox *flowstats; + struct net_device *dev = mdev->pndev[port]; + struct mlx4_en_priv *priv = netdev_priv(dev); + struct net_device_stats *stats = &dev->stats; + struct mlx4_cmd_mailbox *mailbox, *mailbox_priority; u64 in_mod = reset << 8 | port; int err; - int i; + int i, counter_index; + unsigned long sw_tx_dropped = 0; + unsigned long sw_rx_dropped = 0; mailbox = mlx4_alloc_cmd_mailbox(mdev->dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); - memset(mailbox->buf, 0, sizeof(*mlx4_en_stats)); + + mailbox_priority = mlx4_alloc_cmd_mailbox(mdev->dev); + if (IS_ERR(mailbox_priority)) { + mlx4_free_cmd_mailbox(mdev->dev, mailbox); + return PTR_ERR(mailbox_priority); + } + err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, in_mod, 0, MLX4_CMD_DUMP_ETH_STATS, MLX4_CMD_TIME_CLASS_B, - MLX4_CMD_WRAPPED); + MLX4_CMD_NATIVE); if (err) goto out; mlx4_en_stats = mailbox->buf; + memset(&tmp_counter_stats, 0, sizeof(tmp_counter_stats)); + counter_index = mlx4_get_default_counter_index(mdev->dev, port); + err = mlx4_get_counter_stats(mdev->dev, counter_index, + &tmp_counter_stats, reset); + + /* 0xffs indicates invalid value */ + memset(mailbox_priority->buf, 0xff, + sizeof(*flowstats) * MLX4_NUM_PRIORITIES); + + if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN) { + memset(mailbox_priority->buf, 0, + sizeof(*flowstats) * MLX4_NUM_PRIORITIES); + err = mlx4_cmd_box(mdev->dev, 0, mailbox_priority->dma, + in_mod | MLX4_DUMP_ETH_STATS_FLOW_CONTROL, + 0, MLX4_CMD_DUMP_ETH_STATS, + MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); + if (err) + goto out; + } + + flowstats = mailbox_priority->buf; + spin_lock_bh(&priv->stats_lock); - stats->rx_packets = 0; - stats->rx_bytes = 0; + mlx4_en_fold_software_stats(dev); + priv->port_stats.rx_chksum_good = 0; priv->port_stats.rx_chksum_none = 0; + priv->port_stats.rx_chksum_complete = 0; + priv->port_stats.rx_alloc_pages = 0; + priv->xdp_stats.rx_xdp_drop = 0; + priv->xdp_stats.rx_xdp_redirect = 0; + priv->xdp_stats.rx_xdp_redirect_fail = 0; + priv->xdp_stats.rx_xdp_tx = 0; + priv->xdp_stats.rx_xdp_tx_full = 0; for (i = 0; i < priv->rx_ring_num; i++) { - stats->rx_packets += priv->rx_ring[i].packets; - stats->rx_bytes += priv->rx_ring[i].bytes; - priv->port_stats.rx_chksum_good += priv->rx_ring[i].csum_ok; - priv->port_stats.rx_chksum_none += priv->rx_ring[i].csum_none; + const struct mlx4_en_rx_ring *ring = priv->rx_ring[i]; + + sw_rx_dropped += READ_ONCE(ring->dropped); + priv->port_stats.rx_chksum_good += READ_ONCE(ring->csum_ok); + priv->port_stats.rx_chksum_none += READ_ONCE(ring->csum_none); + priv->port_stats.rx_chksum_complete += READ_ONCE(ring->csum_complete); + priv->port_stats.rx_alloc_pages += READ_ONCE(ring->rx_alloc_pages); + priv->xdp_stats.rx_xdp_drop += READ_ONCE(ring->xdp_drop); + priv->xdp_stats.rx_xdp_redirect += READ_ONCE(ring->xdp_redirect); + priv->xdp_stats.rx_xdp_redirect_fail += READ_ONCE(ring->xdp_redirect_fail); + priv->xdp_stats.rx_xdp_tx += READ_ONCE(ring->xdp_tx); + priv->xdp_stats.rx_xdp_tx_full += READ_ONCE(ring->xdp_tx_full); } - stats->tx_packets = 0; - stats->tx_bytes = 0; priv->port_stats.tx_chksum_offload = 0; - for (i = 0; i < priv->tx_ring_num; i++) { - stats->tx_packets += priv->tx_ring[i].packets; - stats->tx_bytes += priv->tx_ring[i].bytes; - priv->port_stats.tx_chksum_offload += priv->tx_ring[i].tx_csum; + priv->port_stats.queue_stopped = 0; + priv->port_stats.wake_queue = 0; + priv->port_stats.tso_packets = 0; + priv->port_stats.xmit_more = 0; + + for (i = 0; i < priv->tx_ring_num[TX]; i++) { + const struct mlx4_en_tx_ring *ring = priv->tx_ring[TX][i]; + + sw_tx_dropped += READ_ONCE(ring->tx_dropped); + priv->port_stats.tx_chksum_offload += READ_ONCE(ring->tx_csum); + priv->port_stats.queue_stopped += READ_ONCE(ring->queue_stopped); + priv->port_stats.wake_queue += READ_ONCE(ring->wake_queue); + priv->port_stats.tso_packets += READ_ONCE(ring->tso_packets); + priv->port_stats.xmit_more += READ_ONCE(ring->xmit_more); + } + + if (!mlx4_is_slave(mdev->dev)) { + struct mlx4_en_phy_stats *p_stats = &priv->phy_stats; + + p_stats->rx_packets_phy = + en_stats_adder(&mlx4_en_stats->RTOT_prio_0, + &mlx4_en_stats->RTOT_prio_1, + NUM_PRIORITIES); + p_stats->tx_packets_phy = + en_stats_adder(&mlx4_en_stats->TTOT_prio_0, + &mlx4_en_stats->TTOT_prio_1, + NUM_PRIORITIES); + p_stats->rx_bytes_phy = + en_stats_adder(&mlx4_en_stats->ROCT_prio_0, + &mlx4_en_stats->ROCT_prio_1, + NUM_PRIORITIES); + p_stats->tx_bytes_phy = + en_stats_adder(&mlx4_en_stats->TOCT_prio_0, + &mlx4_en_stats->TOCT_prio_1, + NUM_PRIORITIES); + if (mlx4_is_master(mdev->dev)) { + stats->rx_packets = p_stats->rx_packets_phy; + stats->tx_packets = p_stats->tx_packets_phy; + stats->rx_bytes = p_stats->rx_bytes_phy; + stats->tx_bytes = p_stats->tx_bytes_phy; + } } + /* net device stats */ stats->rx_errors = be64_to_cpu(mlx4_en_stats->PCS) + - be32_to_cpu(mlx4_en_stats->RdropLength) + be32_to_cpu(mlx4_en_stats->RJBBR) + be32_to_cpu(mlx4_en_stats->RCRC) + - be32_to_cpu(mlx4_en_stats->RRUNT); - stats->tx_errors = be32_to_cpu(mlx4_en_stats->TDROP); - stats->multicast = be64_to_cpu(mlx4_en_stats->MCAST_prio_0) + - be64_to_cpu(mlx4_en_stats->MCAST_prio_1) + - be64_to_cpu(mlx4_en_stats->MCAST_prio_2) + - be64_to_cpu(mlx4_en_stats->MCAST_prio_3) + - be64_to_cpu(mlx4_en_stats->MCAST_prio_4) + - be64_to_cpu(mlx4_en_stats->MCAST_prio_5) + - be64_to_cpu(mlx4_en_stats->MCAST_prio_6) + - be64_to_cpu(mlx4_en_stats->MCAST_prio_7) + - be64_to_cpu(mlx4_en_stats->MCAST_novlan); - stats->collisions = 0; + be32_to_cpu(mlx4_en_stats->RRUNT) + + be64_to_cpu(mlx4_en_stats->RInRangeLengthErr) + + be64_to_cpu(mlx4_en_stats->ROutRangeLengthErr) + + be32_to_cpu(mlx4_en_stats->RSHORT) + + en_stats_adder(&mlx4_en_stats->RGIANT_prio_0, + &mlx4_en_stats->RGIANT_prio_1, + NUM_PRIORITIES); + stats->tx_errors = en_stats_adder(&mlx4_en_stats->TGIANT_prio_0, + &mlx4_en_stats->TGIANT_prio_1, + NUM_PRIORITIES); + stats->multicast = en_stats_adder(&mlx4_en_stats->MCAST_prio_0, + &mlx4_en_stats->MCAST_prio_1, + NUM_PRIORITIES); + stats->rx_dropped = be32_to_cpu(mlx4_en_stats->RDROP) + + sw_rx_dropped; stats->rx_length_errors = be32_to_cpu(mlx4_en_stats->RdropLength); - stats->rx_over_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw); stats->rx_crc_errors = be32_to_cpu(mlx4_en_stats->RCRC); - stats->rx_frame_errors = 0; stats->rx_fifo_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw); - stats->rx_missed_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw); - stats->tx_aborted_errors = 0; - stats->tx_carrier_errors = 0; - stats->tx_fifo_errors = 0; - stats->tx_heartbeat_errors = 0; - stats->tx_window_errors = 0; - - priv->pkstats.broadcast = - be64_to_cpu(mlx4_en_stats->RBCAST_prio_0) + - be64_to_cpu(mlx4_en_stats->RBCAST_prio_1) + - be64_to_cpu(mlx4_en_stats->RBCAST_prio_2) + - be64_to_cpu(mlx4_en_stats->RBCAST_prio_3) + - be64_to_cpu(mlx4_en_stats->RBCAST_prio_4) + - be64_to_cpu(mlx4_en_stats->RBCAST_prio_5) + - be64_to_cpu(mlx4_en_stats->RBCAST_prio_6) + - be64_to_cpu(mlx4_en_stats->RBCAST_prio_7) + - be64_to_cpu(mlx4_en_stats->RBCAST_novlan); - priv->pkstats.rx_prio[0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_0); - priv->pkstats.rx_prio[1] = be64_to_cpu(mlx4_en_stats->RTOT_prio_1); - priv->pkstats.rx_prio[2] = be64_to_cpu(mlx4_en_stats->RTOT_prio_2); - priv->pkstats.rx_prio[3] = be64_to_cpu(mlx4_en_stats->RTOT_prio_3); - priv->pkstats.rx_prio[4] = be64_to_cpu(mlx4_en_stats->RTOT_prio_4); - priv->pkstats.rx_prio[5] = be64_to_cpu(mlx4_en_stats->RTOT_prio_5); - priv->pkstats.rx_prio[6] = be64_to_cpu(mlx4_en_stats->RTOT_prio_6); - priv->pkstats.rx_prio[7] = be64_to_cpu(mlx4_en_stats->RTOT_prio_7); - priv->pkstats.tx_prio[0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_0); - priv->pkstats.tx_prio[1] = be64_to_cpu(mlx4_en_stats->TTOT_prio_1); - priv->pkstats.tx_prio[2] = be64_to_cpu(mlx4_en_stats->TTOT_prio_2); - priv->pkstats.tx_prio[3] = be64_to_cpu(mlx4_en_stats->TTOT_prio_3); - priv->pkstats.tx_prio[4] = be64_to_cpu(mlx4_en_stats->TTOT_prio_4); - priv->pkstats.tx_prio[5] = be64_to_cpu(mlx4_en_stats->TTOT_prio_5); - priv->pkstats.tx_prio[6] = be64_to_cpu(mlx4_en_stats->TTOT_prio_6); - priv->pkstats.tx_prio[7] = be64_to_cpu(mlx4_en_stats->TTOT_prio_7); + stats->tx_dropped = be32_to_cpu(mlx4_en_stats->TDROP) + + sw_tx_dropped; + + /* RX stats */ + priv->pkstats.rx_multicast_packets = stats->multicast; + priv->pkstats.rx_broadcast_packets = + en_stats_adder(&mlx4_en_stats->RBCAST_prio_0, + &mlx4_en_stats->RBCAST_prio_1, + NUM_PRIORITIES); + priv->pkstats.rx_jabbers = be32_to_cpu(mlx4_en_stats->RJBBR); + priv->pkstats.rx_in_range_length_error = + be64_to_cpu(mlx4_en_stats->RInRangeLengthErr); + priv->pkstats.rx_out_range_length_error = + be64_to_cpu(mlx4_en_stats->ROutRangeLengthErr); + + /* Tx stats */ + priv->pkstats.tx_multicast_packets = + en_stats_adder(&mlx4_en_stats->TMCAST_prio_0, + &mlx4_en_stats->TMCAST_prio_1, + NUM_PRIORITIES); + priv->pkstats.tx_broadcast_packets = + en_stats_adder(&mlx4_en_stats->TBCAST_prio_0, + &mlx4_en_stats->TBCAST_prio_1, + NUM_PRIORITIES); + + priv->pkstats.rx_prio[0][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_0); + priv->pkstats.rx_prio[0][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_0); + priv->pkstats.rx_prio[1][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_1); + priv->pkstats.rx_prio[1][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_1); + priv->pkstats.rx_prio[2][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_2); + priv->pkstats.rx_prio[2][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_2); + priv->pkstats.rx_prio[3][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_3); + priv->pkstats.rx_prio[3][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_3); + priv->pkstats.rx_prio[4][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_4); + priv->pkstats.rx_prio[4][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_4); + priv->pkstats.rx_prio[5][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_5); + priv->pkstats.rx_prio[5][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_5); + priv->pkstats.rx_prio[6][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_6); + priv->pkstats.rx_prio[6][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_6); + priv->pkstats.rx_prio[7][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_7); + priv->pkstats.rx_prio[7][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_7); + priv->pkstats.rx_prio[8][0] = be64_to_cpu(mlx4_en_stats->RTOT_novlan); + priv->pkstats.rx_prio[8][1] = be64_to_cpu(mlx4_en_stats->ROCT_novlan); + priv->pkstats.tx_prio[0][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_0); + priv->pkstats.tx_prio[0][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_0); + priv->pkstats.tx_prio[1][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_1); + priv->pkstats.tx_prio[1][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_1); + priv->pkstats.tx_prio[2][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_2); + priv->pkstats.tx_prio[2][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_2); + priv->pkstats.tx_prio[3][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_3); + priv->pkstats.tx_prio[3][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_3); + priv->pkstats.tx_prio[4][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_4); + priv->pkstats.tx_prio[4][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_4); + priv->pkstats.tx_prio[5][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_5); + priv->pkstats.tx_prio[5][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_5); + priv->pkstats.tx_prio[6][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_6); + priv->pkstats.tx_prio[6][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_6); + priv->pkstats.tx_prio[7][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_7); + priv->pkstats.tx_prio[7][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_7); + priv->pkstats.tx_prio[8][0] = be64_to_cpu(mlx4_en_stats->TTOT_novlan); + priv->pkstats.tx_prio[8][1] = be64_to_cpu(mlx4_en_stats->TOCT_novlan); + + if (tmp_counter_stats.counter_mode == 0) { + priv->pf_stats.rx_bytes = be64_to_cpu(tmp_counter_stats.rx_bytes); + priv->pf_stats.tx_bytes = be64_to_cpu(tmp_counter_stats.tx_bytes); + priv->pf_stats.rx_packets = be64_to_cpu(tmp_counter_stats.rx_frames); + priv->pf_stats.tx_packets = be64_to_cpu(tmp_counter_stats.tx_frames); + } + + for (i = 0; i < MLX4_NUM_PRIORITIES; i++) { + priv->rx_priority_flowstats[i].rx_pause = + be64_to_cpu(flowstats[i].rx_pause); + priv->rx_priority_flowstats[i].rx_pause_duration = + be64_to_cpu(flowstats[i].rx_pause_duration); + priv->rx_priority_flowstats[i].rx_pause_transition = + be64_to_cpu(flowstats[i].rx_pause_transition); + priv->tx_priority_flowstats[i].tx_pause = + be64_to_cpu(flowstats[i].tx_pause); + priv->tx_priority_flowstats[i].tx_pause_duration = + be64_to_cpu(flowstats[i].tx_pause_duration); + priv->tx_priority_flowstats[i].tx_pause_transition = + be64_to_cpu(flowstats[i].tx_pause_transition); + } + + /* if pfc is not in use, all priorities counters have the same value */ + priv->rx_flowstats.rx_pause = + be64_to_cpu(flowstats[0].rx_pause); + priv->rx_flowstats.rx_pause_duration = + be64_to_cpu(flowstats[0].rx_pause_duration); + priv->rx_flowstats.rx_pause_transition = + be64_to_cpu(flowstats[0].rx_pause_transition); + priv->tx_flowstats.tx_pause = + be64_to_cpu(flowstats[0].tx_pause); + priv->tx_flowstats.tx_pause_duration = + be64_to_cpu(flowstats[0].tx_pause_duration); + priv->tx_flowstats.tx_pause_transition = + be64_to_cpu(flowstats[0].tx_pause_transition); + spin_unlock_bh(&priv->stats_lock); out: mlx4_free_cmd_mailbox(mdev->dev, mailbox); + mlx4_free_cmd_mailbox(mdev->dev, mailbox_priority); return err; } |