drivers/net/ethernet/mellanox/mlx4/en_port.c

   1 /*
   2  * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and/or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  *
  32  */
  33
  34
  35 #include <linux/if_vlan.h>
  36
  37 #include <linux/mlx4/device.h>
  38 #include <linux/mlx4/cmd.h>
  39
  40 #include "en_port.h"
  41 #include "mlx4_en.h"
  42
  43
  44 int mlx4_SET_VLAN_FLTR(struct mlx4_dev *dev, struct mlx4_en_priv *priv)
  45 {
  46         struct mlx4_cmd_mailbox *mailbox;
  47         struct mlx4_set_vlan_fltr_mbox *filter;
  48         int i;
  49         int j;
  50         int index = 0;
  51         u32 entry;
  52         int err = 0;
  53
  54         mailbox = mlx4_alloc_cmd_mailbox(dev);
  55         if (IS_ERR(mailbox))
  56                 return PTR_ERR(mailbox);
  57
  58         filter = mailbox->buf;
  59         for (i = VLAN_FLTR_SIZE - 1; i >= 0; i--) {
  60                 entry = 0;
  61                 for (j = 0; j < 32; j++)
  62                         if (test_bit(index++, priv->active_vlans))
  63                                 entry |= 1 << j;
  64                 filter->entry[i] = cpu_to_be32(entry);
  65         }
  66         err = mlx4_cmd(dev, mailbox->dma, priv->port, 0, MLX4_CMD_SET_VLAN_FLTR,
  67                        MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED);
  68         mlx4_free_cmd_mailbox(dev, mailbox);
  69         return err;
  70 }
  71
  72 int mlx4_en_QUERY_PORT(struct mlx4_en_dev *mdev, u8 port)
  73 {
  74         struct mlx4_en_query_port_context *qport_context;
  75         struct mlx4_en_priv *priv = netdev_priv(mdev->pndev[port]);
  76         struct mlx4_en_port_state *state = &priv->port_state;
  77         struct mlx4_cmd_mailbox *mailbox;
  78         int err;
  79
  80         mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
  81         if (IS_ERR(mailbox))
  82                 return PTR_ERR(mailbox);
  83         err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0,
  84                            MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
  85                            MLX4_CMD_WRAPPED);
  86         if (err)
  87                 goto out;
  88         qport_context = mailbox->buf;
  89
  90         /* This command is always accessed from Ethtool context
  91          * already synchronized, no need in locking */
  92         state->link_state = !!(qport_context->link_up & MLX4_EN_LINK_UP_MASK);
  93         switch (qport_context->link_speed & MLX4_EN_SPEED_MASK) {
  94         case MLX4_EN_100M_SPEED:
  95                 state->link_speed = SPEED_100;
  96                 break;
  97         case MLX4_EN_1G_SPEED:
  98                 state->link_speed = SPEED_1000;
  99                 break;
 100         case MLX4_EN_10G_SPEED_XAUI:
 101         case MLX4_EN_10G_SPEED_XFI:
 102                 state->link_speed = SPEED_10000;
 103                 break;
 104         case MLX4_EN_20G_SPEED:
 105                 state->link_speed = SPEED_20000;
 106                 break;
 107         case MLX4_EN_40G_SPEED:
 108                 state->link_speed = SPEED_40000;
 109                 break;
 110         case MLX4_EN_56G_SPEED:
 111                 state->link_speed = SPEED_56000;
 112                 break;
 113         default:
 114                 state->link_speed = -1;
 115                 break;
 116         }
 117
 118         state->transceiver = qport_context->transceiver;
 119
 120         state->flags = 0; /* Reset and recalculate the port flags */
 121         state->flags |= (qport_context->link_up & MLX4_EN_ANC_MASK) ?
 122                 MLX4_EN_PORT_ANC : 0;
 123         state->flags |= (qport_context->autoneg & MLX4_EN_AUTONEG_MASK) ?
 124                 MLX4_EN_PORT_ANE : 0;
 125
 126 out:
 127         mlx4_free_cmd_mailbox(mdev->dev, mailbox);
 128         return err;
 129 }
 130
 131 int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
 132 {
 133         struct mlx4_en_stat_out_mbox *mlx4_en_stats;
 134         struct mlx4_en_priv *priv = netdev_priv(mdev->pndev[port]);
 135         struct net_device_stats *stats = &priv->stats;
 136         struct mlx4_cmd_mailbox *mailbox;
 137         u64 in_mod = reset << 8 | port;
 138         int err;
 139         int i;
 140
 141         mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
 142         if (IS_ERR(mailbox))
 143                 return PTR_ERR(mailbox);
 144         err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, in_mod, 0,
 145                            MLX4_CMD_DUMP_ETH_STATS, MLX4_CMD_TIME_CLASS_B,
 146                            MLX4_CMD_WRAPPED);
 147         if (err)
 148                 goto out;
 149
 150         mlx4_en_stats = mailbox->buf;
 151
 152         spin_lock_bh(&priv->stats_lock);
 153
 154         stats->rx_packets = 0;
 155         stats->rx_bytes = 0;
 156         priv->port_stats.rx_chksum_good = 0;
 157         priv->port_stats.rx_chksum_none = 0;
 158         priv->port_stats.rx_chksum_complete = 0;
 159         for (i = 0; i < priv->rx_ring_num; i++) {
 160                 stats->rx_packets += priv->rx_ring[i]->packets;
 161                 stats->rx_bytes += priv->rx_ring[i]->bytes;
 162                 priv->port_stats.rx_chksum_good += priv->rx_ring[i]->csum_ok;
 163                 priv->port_stats.rx_chksum_none += priv->rx_ring[i]->csum_none;
 164                 priv->port_stats.rx_chksum_complete += priv->rx_ring[i]->csum_complete;
 165         }
 166         stats->tx_packets = 0;
 167         stats->tx_bytes = 0;
 168         priv->port_stats.tx_chksum_offload = 0;
 169         priv->port_stats.queue_stopped = 0;
 170         priv->port_stats.wake_queue = 0;
 171         priv->port_stats.tso_packets = 0;
 172         priv->port_stats.xmit_more = 0;
 173
 174         for (i = 0; i < priv->tx_ring_num; i++) {
 175                 const struct mlx4_en_tx_ring *ring = priv->tx_ring[i];
 176
 177                 stats->tx_packets += ring->packets;
 178                 stats->tx_bytes += ring->bytes;
 179                 priv->port_stats.tx_chksum_offload += ring->tx_csum;
 180                 priv->port_stats.queue_stopped     += ring->queue_stopped;
 181                 priv->port_stats.wake_queue        += ring->wake_queue;
 182                 priv->port_stats.tso_packets       += ring->tso_packets;
 183                 priv->port_stats.xmit_more         += ring->xmit_more;
 184         }
 185
 186         stats->rx_errors = be64_to_cpu(mlx4_en_stats->PCS) +
 187                            be32_to_cpu(mlx4_en_stats->RdropLength) +
 188                            be32_to_cpu(mlx4_en_stats->RJBBR) +
 189                            be32_to_cpu(mlx4_en_stats->RCRC) +
 190                            be32_to_cpu(mlx4_en_stats->RRUNT);
 191         stats->tx_errors = be32_to_cpu(mlx4_en_stats->TDROP);
 192         stats->multicast = be64_to_cpu(mlx4_en_stats->MCAST_prio_0) +
 193                            be64_to_cpu(mlx4_en_stats->MCAST_prio_1) +
 194                            be64_to_cpu(mlx4_en_stats->MCAST_prio_2) +
 195                            be64_to_cpu(mlx4_en_stats->MCAST_prio_3) +
 196                            be64_to_cpu(mlx4_en_stats->MCAST_prio_4) +
 197                            be64_to_cpu(mlx4_en_stats->MCAST_prio_5) +
 198                            be64_to_cpu(mlx4_en_stats->MCAST_prio_6) +
 199                            be64_to_cpu(mlx4_en_stats->MCAST_prio_7) +
 200                            be64_to_cpu(mlx4_en_stats->MCAST_novlan);
 201         stats->collisions = 0;
 202         stats->rx_length_errors = be32_to_cpu(mlx4_en_stats->RdropLength);
 203         stats->rx_over_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw);
 204         stats->rx_crc_errors = be32_to_cpu(mlx4_en_stats->RCRC);
 205         stats->rx_frame_errors = 0;
 206         stats->rx_fifo_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw);
 207         stats->rx_missed_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw);
 208         stats->tx_aborted_errors = 0;
 209         stats->tx_carrier_errors = 0;
 210         stats->tx_fifo_errors = 0;
 211         stats->tx_heartbeat_errors = 0;
 212         stats->tx_window_errors = 0;
 213
 214         priv->pkstats.broadcast =
 215                                 be64_to_cpu(mlx4_en_stats->RBCAST_prio_0) +
 216                                 be64_to_cpu(mlx4_en_stats->RBCAST_prio_1) +
 217                                 be64_to_cpu(mlx4_en_stats->RBCAST_prio_2) +
 218                                 be64_to_cpu(mlx4_en_stats->RBCAST_prio_3) +
 219                                 be64_to_cpu(mlx4_en_stats->RBCAST_prio_4) +
 220                                 be64_to_cpu(mlx4_en_stats->RBCAST_prio_5) +
 221                                 be64_to_cpu(mlx4_en_stats->RBCAST_prio_6) +
 222                                 be64_to_cpu(mlx4_en_stats->RBCAST_prio_7) +
 223                                 be64_to_cpu(mlx4_en_stats->RBCAST_novlan);
 224         priv->pkstats.rx_prio[0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_0);
 225         priv->pkstats.rx_prio[1] = be64_to_cpu(mlx4_en_stats->RTOT_prio_1);
 226         priv->pkstats.rx_prio[2] = be64_to_cpu(mlx4_en_stats->RTOT_prio_2);
 227         priv->pkstats.rx_prio[3] = be64_to_cpu(mlx4_en_stats->RTOT_prio_3);
 228         priv->pkstats.rx_prio[4] = be64_to_cpu(mlx4_en_stats->RTOT_prio_4);
 229         priv->pkstats.rx_prio[5] = be64_to_cpu(mlx4_en_stats->RTOT_prio_5);
 230         priv->pkstats.rx_prio[6] = be64_to_cpu(mlx4_en_stats->RTOT_prio_6);
 231         priv->pkstats.rx_prio[7] = be64_to_cpu(mlx4_en_stats->RTOT_prio_7);
 232         priv->pkstats.tx_prio[0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_0);
 233         priv->pkstats.tx_prio[1] = be64_to_cpu(mlx4_en_stats->TTOT_prio_1);
 234         priv->pkstats.tx_prio[2] = be64_to_cpu(mlx4_en_stats->TTOT_prio_2);
 235         priv->pkstats.tx_prio[3] = be64_to_cpu(mlx4_en_stats->TTOT_prio_3);
 236         priv->pkstats.tx_prio[4] = be64_to_cpu(mlx4_en_stats->TTOT_prio_4);
 237         priv->pkstats.tx_prio[5] = be64_to_cpu(mlx4_en_stats->TTOT_prio_5);
 238         priv->pkstats.tx_prio[6] = be64_to_cpu(mlx4_en_stats->TTOT_prio_6);
 239         priv->pkstats.tx_prio[7] = be64_to_cpu(mlx4_en_stats->TTOT_prio_7);
 240         spin_unlock_bh(&priv->stats_lock);
 241
 242 out:
 243         mlx4_free_cmd_mailbox(mdev->dev, mailbox);
 244         return err;
 245 }
 246