en_port.c revision 219893
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 "mlx4_en.h"
36
37#include <linux/if_vlan.h>
38
39#include <linux/mlx4/device.h>
40#include <linux/mlx4/cmd.h>
41
42
43int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port,
44			u64 mac, u64 clear, u8 mode)
45{
46	return mlx4_cmd(dev, (mac | (clear << 63)), port, mode,
47			MLX4_CMD_SET_MCAST_FLTR, MLX4_CMD_TIME_CLASS_B);
48}
49
50int mlx4_SET_VLAN_FLTR(struct mlx4_dev *dev, u8 port, u32 *vlans)
51{
52	struct mlx4_cmd_mailbox *mailbox;
53	struct mlx4_set_vlan_fltr_mbox *filter;
54	int i, j;
55	int err = 0;
56
57	mailbox = mlx4_alloc_cmd_mailbox(dev);
58	if (IS_ERR(mailbox))
59		return PTR_ERR(mailbox);
60
61	filter = mailbox->buf;
62	memset(filter, 0, sizeof *filter);
63	if (vlans)
64		for (i = 0, j = VLAN_FLTR_SIZE - 1; i < VLAN_FLTR_SIZE;
65		    i++, j--)
66			filter->entry[j] = cpu_to_be32(vlans[i]);
67	err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_SET_VLAN_FLTR,
68		       MLX4_CMD_TIME_CLASS_B);
69	mlx4_free_cmd_mailbox(dev, mailbox);
70	return err;
71}
72
73
74int mlx4_SET_PORT_general(struct mlx4_dev *dev, u8 port, int mtu,
75			  u8 pptx, u8 pfctx, u8 pprx, u8 pfcrx)
76{
77	struct mlx4_cmd_mailbox *mailbox;
78	struct mlx4_set_port_general_context *context;
79	int err;
80	u32 in_mod;
81
82	mailbox = mlx4_alloc_cmd_mailbox(dev);
83	if (IS_ERR(mailbox))
84		return PTR_ERR(mailbox);
85	context = mailbox->buf;
86	memset(context, 0, sizeof *context);
87
88	context->flags = SET_PORT_GEN_ALL_VALID;
89	context->mtu = cpu_to_be16(mtu);
90	context->pptx = (pptx * (!pfctx)) << 7;
91	context->pfctx = pfctx;
92	context->pprx = (pprx * (!pfcrx)) << 7;
93	context->pfcrx = pfcrx;
94
95	in_mod = MLX4_SET_PORT_GENERAL << 8 | port;
96	err = mlx4_cmd(dev, mailbox->dma, in_mod, 1, MLX4_CMD_SET_PORT,
97		       MLX4_CMD_TIME_CLASS_B);
98
99	mlx4_free_cmd_mailbox(dev, mailbox);
100	return err;
101}
102
103int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
104			   u8 promisc)
105{
106	struct mlx4_cmd_mailbox *mailbox;
107	struct mlx4_set_port_rqp_calc_context *context;
108	int err;
109	u32 in_mod;
110
111	mailbox = mlx4_alloc_cmd_mailbox(dev);
112	if (IS_ERR(mailbox))
113		return PTR_ERR(mailbox);
114	context = mailbox->buf;
115	memset(context, 0, sizeof *context);
116
117	context->base_qpn = cpu_to_be32(base_qpn);
118	context->promisc = cpu_to_be32(promisc << SET_PORT_PROMISC_EN_SHIFT | base_qpn);
119	context->mcast = cpu_to_be32((dev->caps.mc_promisc_mode <<
120				      SET_PORT_PROMISC_MODE_SHIFT) | base_qpn);
121	context->intra_no_vlan = 0;
122	context->no_vlan = MLX4_NO_VLAN_IDX;
123	context->intra_vlan_miss = 0;
124	context->vlan_miss = MLX4_VLAN_MISS_IDX;
125
126	in_mod = MLX4_SET_PORT_RQP_CALC << 8 | port;
127	err = mlx4_cmd(dev, mailbox->dma, in_mod, 1, MLX4_CMD_SET_PORT,
128		       MLX4_CMD_TIME_CLASS_B);
129
130	mlx4_free_cmd_mailbox(dev, mailbox);
131	return err;
132}
133
134int mlx4_en_QUERY_PORT(struct mlx4_en_dev *mdev, u8 port)
135{
136	struct mlx4_en_query_port_context *qport_context;
137	struct mlx4_en_priv *priv = netdev_priv(mdev->pndev[port]);
138	struct mlx4_en_port_state *state = &priv->port_state;
139	struct mlx4_cmd_mailbox *mailbox;
140	int err;
141
142	mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
143	if (IS_ERR(mailbox))
144		return PTR_ERR(mailbox);
145	memset(mailbox->buf, 0, sizeof(*qport_context));
146	err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0,
147			   MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B);
148	if (err)
149		goto out;
150	qport_context = mailbox->buf;
151
152	/* This command is always accessed from Ethtool context
153	 * already synchronized, no need in locking */
154	state->link_state = !!(qport_context->link_up & MLX4_EN_LINK_UP_MASK);
155	if ((qport_context->link_speed & MLX4_EN_SPEED_MASK) ==
156	    MLX4_EN_1G_SPEED)
157		state->link_speed = 1000;
158	else
159		state->link_speed = 10000;
160	state->transciver = qport_context->transceiver;
161	if (be32_to_cpu(qport_context->transceiver_code_hi) & 0x400)
162		state->transciver = 0x80;
163
164out:
165	mlx4_free_cmd_mailbox(mdev->dev, mailbox);
166	return err;
167}
168
169static int read_iboe_counters(struct mlx4_dev *dev, int index, u64 counters[])
170{
171	struct mlx4_cmd_mailbox *mailbox;
172	int err;
173	int mode;
174	struct mlx4_counters_ext *ext;
175	struct mlx4_counters *reg;
176
177	mailbox = mlx4_alloc_cmd_mailbox(dev);
178	if (IS_ERR(mailbox))
179		return -ENOMEM;
180
181	err = mlx4_cmd_box(dev, 0, mailbox->dma, index, 0,
182			   MLX4_CMD_QUERY_IF_STAT, MLX4_CMD_TIME_CLASS_C);
183	if (err)
184		goto out;
185
186	mode = be32_to_cpu(((struct mlx4_counters *)mailbox->buf)->counter_mode) & 0xf;
187	switch (mode) {
188	case 0:
189		reg = mailbox->buf;
190		counters[0] = be64_to_cpu(reg->rx_frames);
191		counters[1] = be64_to_cpu(reg->tx_frames);
192		counters[2] = be64_to_cpu(reg->rx_bytes);
193		counters[3] = be64_to_cpu(reg->tx_bytes);
194		break;
195	case 1:
196		ext = mailbox->buf;
197		counters[0] = be64_to_cpu(ext->rx_uni_frames);
198		counters[1] = be64_to_cpu(ext->tx_uni_frames);
199		counters[2] = be64_to_cpu(ext->rx_uni_bytes);
200		counters[3] = be64_to_cpu(ext->tx_uni_bytes);
201		break;
202	default:
203		err = -EINVAL;
204	}
205
206out:
207	mlx4_free_cmd_mailbox(dev, mailbox);
208	return err;
209}
210
211int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
212{
213	struct mlx4_en_stat_out_mbox *mlx4_en_stats;
214	struct net_device *dev;
215	struct mlx4_en_priv *priv;
216	struct mlx4_cmd_mailbox *mailbox;
217	u64 in_mod = reset << 8 | port;
218	unsigned long oerror;
219	unsigned long ierror;
220	int err;
221	int i;
222	int counter;
223	u64 counters[4];
224
225	dev = mdev->pndev[port];
226	priv = netdev_priv(dev);
227	memset(counters, 0, sizeof counters);
228	counter = mlx4_get_iboe_counter(priv->mdev->dev, port);
229	if (counter >= 0)
230		err = read_iboe_counters(priv->mdev->dev, counter, counters);
231
232	mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
233	if (IS_ERR(mailbox))
234		return PTR_ERR(mailbox);
235	memset(mailbox->buf, 0, sizeof(*mlx4_en_stats));
236	err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, in_mod, 0,
237			   MLX4_CMD_DUMP_ETH_STATS, MLX4_CMD_TIME_CLASS_B);
238	if (err)
239		goto out;
240
241	mlx4_en_stats = mailbox->buf;
242
243	spin_lock(&priv->stats_lock);
244
245	oerror = ierror = 0;
246	dev->if_ipackets = counters[0];
247	dev->if_ibytes = counters[2];
248	for (i = 0; i < priv->rx_ring_num; i++) {
249		dev->if_ipackets += priv->rx_ring[i].packets;
250		dev->if_ibytes += priv->rx_ring[i].bytes;
251		ierror += priv->rx_ring[i].errors;
252	}
253	dev->if_opackets = counters[1];
254	dev->if_obytes = counters[3];
255	for (i = 0; i <= priv->tx_ring_num; i++) {
256		dev->if_opackets += priv->tx_ring[i].packets;
257		dev->if_obytes += priv->tx_ring[i].bytes;
258		oerror += priv->tx_ring[i].errors;
259	}
260
261	dev->if_ierrors = be32_to_cpu(mlx4_en_stats->RDROP) + ierror;
262	dev->if_oerrors = be32_to_cpu(mlx4_en_stats->TDROP) + oerror;
263	dev->if_imcasts = be64_to_cpu(mlx4_en_stats->MCAST_prio_0) +
264			  be64_to_cpu(mlx4_en_stats->MCAST_prio_1) +
265			  be64_to_cpu(mlx4_en_stats->MCAST_prio_2) +
266			  be64_to_cpu(mlx4_en_stats->MCAST_prio_3) +
267			  be64_to_cpu(mlx4_en_stats->MCAST_prio_4) +
268			  be64_to_cpu(mlx4_en_stats->MCAST_prio_5) +
269			  be64_to_cpu(mlx4_en_stats->MCAST_prio_6) +
270			  be64_to_cpu(mlx4_en_stats->MCAST_prio_7) +
271			  be64_to_cpu(mlx4_en_stats->MCAST_novlan);
272	dev->if_omcasts = be64_to_cpu(mlx4_en_stats->TMCAST_prio_0) +
273			  be64_to_cpu(mlx4_en_stats->TMCAST_prio_1) +
274			  be64_to_cpu(mlx4_en_stats->TMCAST_prio_2) +
275			  be64_to_cpu(mlx4_en_stats->TMCAST_prio_3) +
276			  be64_to_cpu(mlx4_en_stats->TMCAST_prio_4) +
277			  be64_to_cpu(mlx4_en_stats->TMCAST_prio_5) +
278			  be64_to_cpu(mlx4_en_stats->TMCAST_prio_6) +
279			  be64_to_cpu(mlx4_en_stats->TMCAST_prio_7) +
280			  be64_to_cpu(mlx4_en_stats->TMCAST_novlan);
281	dev->if_collisions = 0;
282
283	priv->pkstats.broadcast =
284				be64_to_cpu(mlx4_en_stats->RBCAST_prio_0) +
285				be64_to_cpu(mlx4_en_stats->RBCAST_prio_1) +
286				be64_to_cpu(mlx4_en_stats->RBCAST_prio_2) +
287				be64_to_cpu(mlx4_en_stats->RBCAST_prio_3) +
288				be64_to_cpu(mlx4_en_stats->RBCAST_prio_4) +
289				be64_to_cpu(mlx4_en_stats->RBCAST_prio_5) +
290				be64_to_cpu(mlx4_en_stats->RBCAST_prio_6) +
291				be64_to_cpu(mlx4_en_stats->RBCAST_prio_7) +
292				be64_to_cpu(mlx4_en_stats->RBCAST_novlan);
293	priv->pkstats.rx_prio[0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_0);
294	priv->pkstats.rx_prio[1] = be64_to_cpu(mlx4_en_stats->RTOT_prio_1);
295	priv->pkstats.rx_prio[2] = be64_to_cpu(mlx4_en_stats->RTOT_prio_2);
296	priv->pkstats.rx_prio[3] = be64_to_cpu(mlx4_en_stats->RTOT_prio_3);
297	priv->pkstats.rx_prio[4] = be64_to_cpu(mlx4_en_stats->RTOT_prio_4);
298	priv->pkstats.rx_prio[5] = be64_to_cpu(mlx4_en_stats->RTOT_prio_5);
299	priv->pkstats.rx_prio[6] = be64_to_cpu(mlx4_en_stats->RTOT_prio_6);
300	priv->pkstats.rx_prio[7] = be64_to_cpu(mlx4_en_stats->RTOT_prio_7);
301	priv->pkstats.tx_prio[0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_0);
302	priv->pkstats.tx_prio[1] = be64_to_cpu(mlx4_en_stats->TTOT_prio_1);
303	priv->pkstats.tx_prio[2] = be64_to_cpu(mlx4_en_stats->TTOT_prio_2);
304	priv->pkstats.tx_prio[3] = be64_to_cpu(mlx4_en_stats->TTOT_prio_3);
305	priv->pkstats.tx_prio[4] = be64_to_cpu(mlx4_en_stats->TTOT_prio_4);
306	priv->pkstats.tx_prio[5] = be64_to_cpu(mlx4_en_stats->TTOT_prio_5);
307	priv->pkstats.tx_prio[6] = be64_to_cpu(mlx4_en_stats->TTOT_prio_6);
308	priv->pkstats.tx_prio[7] = be64_to_cpu(mlx4_en_stats->TTOT_prio_7);
309	spin_unlock(&priv->stats_lock);
310
311out:
312	mlx4_free_cmd_mailbox(mdev->dev, mailbox);
313	return err;
314}
315
316