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_1G_SPEED:
95 		state->link_speed = 1000;
96 		break;
97 	case MLX4_EN_10G_SPEED_XAUI:
98 	case MLX4_EN_10G_SPEED_XFI:
99 		state->link_speed = 10000;
100 		break;
101 	case MLX4_EN_40G_SPEED:
102 		state->link_speed = 40000;
103 		break;
104 	default:
105 		state->link_speed = -1;
106 		break;
107 	}
108 	state->transciver = qport_context->transceiver;
109 
110 out:
111 	mlx4_free_cmd_mailbox(mdev->dev, mailbox);
112 	return err;
113 }
114 
115 int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
116 {
117 	struct mlx4_en_stat_out_mbox *mlx4_en_stats;
118 	struct mlx4_en_priv *priv = netdev_priv(mdev->pndev[port]);
119 	struct net_device_stats *stats = &priv->stats;
120 	struct mlx4_cmd_mailbox *mailbox;
121 	u64 in_mod = reset << 8 | port;
122 	int err;
123 	int i;
124 
125 	mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
126 	if (IS_ERR(mailbox))
127 		return PTR_ERR(mailbox);
128 	err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, in_mod, 0,
129 			   MLX4_CMD_DUMP_ETH_STATS, MLX4_CMD_TIME_CLASS_B,
130 			   MLX4_CMD_WRAPPED);
131 	if (err)
132 		goto out;
133 
134 	mlx4_en_stats = mailbox->buf;
135 
136 	spin_lock_bh(&priv->stats_lock);
137 
138 	stats->rx_packets = 0;
139 	stats->rx_bytes = 0;
140 	priv->port_stats.rx_chksum_good = 0;
141 	priv->port_stats.rx_chksum_none = 0;
142 	for (i = 0; i < priv->rx_ring_num; i++) {
143 		stats->rx_packets += priv->rx_ring[i]->packets;
144 		stats->rx_bytes += priv->rx_ring[i]->bytes;
145 		priv->port_stats.rx_chksum_good += priv->rx_ring[i]->csum_ok;
146 		priv->port_stats.rx_chksum_none += priv->rx_ring[i]->csum_none;
147 	}
148 	stats->tx_packets = 0;
149 	stats->tx_bytes = 0;
150 	priv->port_stats.tx_chksum_offload = 0;
151 	for (i = 0; i < priv->tx_ring_num; i++) {
152 		stats->tx_packets += priv->tx_ring[i]->packets;
153 		stats->tx_bytes += priv->tx_ring[i]->bytes;
154 		priv->port_stats.tx_chksum_offload += priv->tx_ring[i]->tx_csum;
155 	}
156 
157 	stats->rx_errors = be64_to_cpu(mlx4_en_stats->PCS) +
158 			   be32_to_cpu(mlx4_en_stats->RdropLength) +
159 			   be32_to_cpu(mlx4_en_stats->RJBBR) +
160 			   be32_to_cpu(mlx4_en_stats->RCRC) +
161 			   be32_to_cpu(mlx4_en_stats->RRUNT);
162 	stats->tx_errors = be32_to_cpu(mlx4_en_stats->TDROP);
163 	stats->multicast = be64_to_cpu(mlx4_en_stats->MCAST_prio_0) +
164 			   be64_to_cpu(mlx4_en_stats->MCAST_prio_1) +
165 			   be64_to_cpu(mlx4_en_stats->MCAST_prio_2) +
166 			   be64_to_cpu(mlx4_en_stats->MCAST_prio_3) +
167 			   be64_to_cpu(mlx4_en_stats->MCAST_prio_4) +
168 			   be64_to_cpu(mlx4_en_stats->MCAST_prio_5) +
169 			   be64_to_cpu(mlx4_en_stats->MCAST_prio_6) +
170 			   be64_to_cpu(mlx4_en_stats->MCAST_prio_7) +
171 			   be64_to_cpu(mlx4_en_stats->MCAST_novlan);
172 	stats->collisions = 0;
173 	stats->rx_length_errors = be32_to_cpu(mlx4_en_stats->RdropLength);
174 	stats->rx_over_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw);
175 	stats->rx_crc_errors = be32_to_cpu(mlx4_en_stats->RCRC);
176 	stats->rx_frame_errors = 0;
177 	stats->rx_fifo_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw);
178 	stats->rx_missed_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw);
179 	stats->tx_aborted_errors = 0;
180 	stats->tx_carrier_errors = 0;
181 	stats->tx_fifo_errors = 0;
182 	stats->tx_heartbeat_errors = 0;
183 	stats->tx_window_errors = 0;
184 
185 	priv->pkstats.broadcast =
186 				be64_to_cpu(mlx4_en_stats->RBCAST_prio_0) +
187 				be64_to_cpu(mlx4_en_stats->RBCAST_prio_1) +
188 				be64_to_cpu(mlx4_en_stats->RBCAST_prio_2) +
189 				be64_to_cpu(mlx4_en_stats->RBCAST_prio_3) +
190 				be64_to_cpu(mlx4_en_stats->RBCAST_prio_4) +
191 				be64_to_cpu(mlx4_en_stats->RBCAST_prio_5) +
192 				be64_to_cpu(mlx4_en_stats->RBCAST_prio_6) +
193 				be64_to_cpu(mlx4_en_stats->RBCAST_prio_7) +
194 				be64_to_cpu(mlx4_en_stats->RBCAST_novlan);
195 	priv->pkstats.rx_prio[0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_0);
196 	priv->pkstats.rx_prio[1] = be64_to_cpu(mlx4_en_stats->RTOT_prio_1);
197 	priv->pkstats.rx_prio[2] = be64_to_cpu(mlx4_en_stats->RTOT_prio_2);
198 	priv->pkstats.rx_prio[3] = be64_to_cpu(mlx4_en_stats->RTOT_prio_3);
199 	priv->pkstats.rx_prio[4] = be64_to_cpu(mlx4_en_stats->RTOT_prio_4);
200 	priv->pkstats.rx_prio[5] = be64_to_cpu(mlx4_en_stats->RTOT_prio_5);
201 	priv->pkstats.rx_prio[6] = be64_to_cpu(mlx4_en_stats->RTOT_prio_6);
202 	priv->pkstats.rx_prio[7] = be64_to_cpu(mlx4_en_stats->RTOT_prio_7);
203 	priv->pkstats.tx_prio[0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_0);
204 	priv->pkstats.tx_prio[1] = be64_to_cpu(mlx4_en_stats->TTOT_prio_1);
205 	priv->pkstats.tx_prio[2] = be64_to_cpu(mlx4_en_stats->TTOT_prio_2);
206 	priv->pkstats.tx_prio[3] = be64_to_cpu(mlx4_en_stats->TTOT_prio_3);
207 	priv->pkstats.tx_prio[4] = be64_to_cpu(mlx4_en_stats->TTOT_prio_4);
208 	priv->pkstats.tx_prio[5] = be64_to_cpu(mlx4_en_stats->TTOT_prio_5);
209 	priv->pkstats.tx_prio[6] = be64_to_cpu(mlx4_en_stats->TTOT_prio_6);
210 	priv->pkstats.tx_prio[7] = be64_to_cpu(mlx4_en_stats->TTOT_prio_7);
211 	spin_unlock_bh(&priv->stats_lock);
212 
213 out:
214 	mlx4_free_cmd_mailbox(mdev->dev, mailbox);
215 	return err;
216 }
217 
218