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en_port.c
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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  memset(filter, 0, sizeof(*filter));
60  for (i = VLAN_FLTR_SIZE - 1; i >= 0; i--) {
61  entry = 0;
62  for (j = 0; j < 32; j++)
63  if (test_bit(index++, priv->active_vlans))
64  entry |= 1 << j;
65  filter->entry[i] = cpu_to_be32(entry);
66  }
67  err = mlx4_cmd(dev, mailbox->dma, priv->port, 0, MLX4_CMD_SET_VLAN_FLTR,
68  MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED);
69  mlx4_free_cmd_mailbox(dev, mailbox);
70  return err;
71 }
72 
73 int mlx4_en_QUERY_PORT(struct mlx4_en_dev *mdev, u8 port)
74 {
75  struct mlx4_en_query_port_context *qport_context;
76  struct mlx4_en_priv *priv = netdev_priv(mdev->pndev[port]);
77  struct mlx4_en_port_state *state = &priv->port_state;
78  struct mlx4_cmd_mailbox *mailbox;
79  int err;
80 
81  mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
82  if (IS_ERR(mailbox))
83  return PTR_ERR(mailbox);
84  memset(mailbox->buf, 0, sizeof(*qport_context));
85  err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0,
86  MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
87  MLX4_CMD_WRAPPED);
88  if (err)
89  goto out;
90  qport_context = mailbox->buf;
91 
92  /* This command is always accessed from Ethtool context
93  * already synchronized, no need in locking */
94  state->link_state = !!(qport_context->link_up & MLX4_EN_LINK_UP_MASK);
95  switch (qport_context->link_speed & MLX4_EN_SPEED_MASK) {
96  case MLX4_EN_1G_SPEED:
97  state->link_speed = 1000;
98  break;
99  case MLX4_EN_10G_SPEED_XAUI:
100  case MLX4_EN_10G_SPEED_XFI:
101  state->link_speed = 10000;
102  break;
103  case MLX4_EN_40G_SPEED:
104  state->link_speed = 40000;
105  break;
106  default:
107  state->link_speed = -1;
108  break;
109  }
110  state->transciver = qport_context->transceiver;
111 
112 out:
113  mlx4_free_cmd_mailbox(mdev->dev, mailbox);
114  return err;
115 }
116 
117 int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
118 {
119  struct mlx4_en_stat_out_mbox *mlx4_en_stats;
120  struct mlx4_en_priv *priv = netdev_priv(mdev->pndev[port]);
121  struct net_device_stats *stats = &priv->stats;
122  struct mlx4_cmd_mailbox *mailbox;
123  u64 in_mod = reset << 8 | port;
124  int err;
125  int i;
126 
127  mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
128  if (IS_ERR(mailbox))
129  return PTR_ERR(mailbox);
130  memset(mailbox->buf, 0, sizeof(*mlx4_en_stats));
131  err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, in_mod, 0,
132  MLX4_CMD_DUMP_ETH_STATS, MLX4_CMD_TIME_CLASS_B,
133  MLX4_CMD_WRAPPED);
134  if (err)
135  goto out;
136 
137  mlx4_en_stats = mailbox->buf;
138 
139  spin_lock_bh(&priv->stats_lock);
140 
141  stats->rx_packets = 0;
142  stats->rx_bytes = 0;
143  priv->port_stats.rx_chksum_good = 0;
144  priv->port_stats.rx_chksum_none = 0;
145  for (i = 0; i < priv->rx_ring_num; i++) {
146  stats->rx_packets += priv->rx_ring[i].packets;
147  stats->rx_bytes += priv->rx_ring[i].bytes;
148  priv->port_stats.rx_chksum_good += priv->rx_ring[i].csum_ok;
149  priv->port_stats.rx_chksum_none += priv->rx_ring[i].csum_none;
150  }
151  stats->tx_packets = 0;
152  stats->tx_bytes = 0;
153  priv->port_stats.tx_chksum_offload = 0;
154  for (i = 0; i < priv->tx_ring_num; i++) {
155  stats->tx_packets += priv->tx_ring[i].packets;
156  stats->tx_bytes += priv->tx_ring[i].bytes;
157  priv->port_stats.tx_chksum_offload += priv->tx_ring[i].tx_csum;
158  }
159 
160  stats->rx_errors = be64_to_cpu(mlx4_en_stats->PCS) +
161  be32_to_cpu(mlx4_en_stats->RdropLength) +
162  be32_to_cpu(mlx4_en_stats->RJBBR) +
163  be32_to_cpu(mlx4_en_stats->RCRC) +
164  be32_to_cpu(mlx4_en_stats->RRUNT);
165  stats->tx_errors = be32_to_cpu(mlx4_en_stats->TDROP);
166  stats->multicast = be64_to_cpu(mlx4_en_stats->MCAST_prio_0) +
167  be64_to_cpu(mlx4_en_stats->MCAST_prio_1) +
168  be64_to_cpu(mlx4_en_stats->MCAST_prio_2) +
169  be64_to_cpu(mlx4_en_stats->MCAST_prio_3) +
170  be64_to_cpu(mlx4_en_stats->MCAST_prio_4) +
171  be64_to_cpu(mlx4_en_stats->MCAST_prio_5) +
172  be64_to_cpu(mlx4_en_stats->MCAST_prio_6) +
173  be64_to_cpu(mlx4_en_stats->MCAST_prio_7) +
174  be64_to_cpu(mlx4_en_stats->MCAST_novlan);
175  stats->collisions = 0;
176  stats->rx_length_errors = be32_to_cpu(mlx4_en_stats->RdropLength);
177  stats->rx_over_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw);
178  stats->rx_crc_errors = be32_to_cpu(mlx4_en_stats->RCRC);
179  stats->rx_frame_errors = 0;
180  stats->rx_fifo_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw);
181  stats->rx_missed_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw);
182  stats->tx_aborted_errors = 0;
183  stats->tx_carrier_errors = 0;
184  stats->tx_fifo_errors = 0;
185  stats->tx_heartbeat_errors = 0;
186  stats->tx_window_errors = 0;
187 
188  priv->pkstats.broadcast =
189  be64_to_cpu(mlx4_en_stats->RBCAST_prio_0) +
190  be64_to_cpu(mlx4_en_stats->RBCAST_prio_1) +
191  be64_to_cpu(mlx4_en_stats->RBCAST_prio_2) +
192  be64_to_cpu(mlx4_en_stats->RBCAST_prio_3) +
193  be64_to_cpu(mlx4_en_stats->RBCAST_prio_4) +
194  be64_to_cpu(mlx4_en_stats->RBCAST_prio_5) +
195  be64_to_cpu(mlx4_en_stats->RBCAST_prio_6) +
196  be64_to_cpu(mlx4_en_stats->RBCAST_prio_7) +
197  be64_to_cpu(mlx4_en_stats->RBCAST_novlan);
198  priv->pkstats.rx_prio[0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_0);
199  priv->pkstats.rx_prio[1] = be64_to_cpu(mlx4_en_stats->RTOT_prio_1);
200  priv->pkstats.rx_prio[2] = be64_to_cpu(mlx4_en_stats->RTOT_prio_2);
201  priv->pkstats.rx_prio[3] = be64_to_cpu(mlx4_en_stats->RTOT_prio_3);
202  priv->pkstats.rx_prio[4] = be64_to_cpu(mlx4_en_stats->RTOT_prio_4);
203  priv->pkstats.rx_prio[5] = be64_to_cpu(mlx4_en_stats->RTOT_prio_5);
204  priv->pkstats.rx_prio[6] = be64_to_cpu(mlx4_en_stats->RTOT_prio_6);
205  priv->pkstats.rx_prio[7] = be64_to_cpu(mlx4_en_stats->RTOT_prio_7);
206  priv->pkstats.tx_prio[0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_0);
207  priv->pkstats.tx_prio[1] = be64_to_cpu(mlx4_en_stats->TTOT_prio_1);
208  priv->pkstats.tx_prio[2] = be64_to_cpu(mlx4_en_stats->TTOT_prio_2);
209  priv->pkstats.tx_prio[3] = be64_to_cpu(mlx4_en_stats->TTOT_prio_3);
210  priv->pkstats.tx_prio[4] = be64_to_cpu(mlx4_en_stats->TTOT_prio_4);
211  priv->pkstats.tx_prio[5] = be64_to_cpu(mlx4_en_stats->TTOT_prio_5);
212  priv->pkstats.tx_prio[6] = be64_to_cpu(mlx4_en_stats->TTOT_prio_6);
213  priv->pkstats.tx_prio[7] = be64_to_cpu(mlx4_en_stats->TTOT_prio_7);
214  spin_unlock_bh(&priv->stats_lock);
215 
216 out:
217  mlx4_free_cmd_mailbox(mdev->dev, mailbox);
218  return err;
219 }
220 
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