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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 
mlx4_SET_MCAST_FLTR(struct mlx4_dev * dev,u8 port,u64 mac,u64 clear,u8 mode)44 int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port,
45 			u64 mac, u64 clear, u8 mode)
46 {
47 	return mlx4_cmd(dev, (mac | (clear << 63)), port, mode,
48 			MLX4_CMD_SET_MCAST_FLTR, MLX4_CMD_TIME_CLASS_B);
49 }
50 
mlx4_SET_VLAN_FLTR(struct mlx4_dev * dev,u8 port,struct vlan_group * grp)51 int mlx4_SET_VLAN_FLTR(struct mlx4_dev *dev, u8 port, struct vlan_group *grp)
52 {
53 	struct mlx4_cmd_mailbox *mailbox;
54 	struct mlx4_set_vlan_fltr_mbox *filter;
55 	int i;
56 	int j;
57 	int index = 0;
58 	u32 entry;
59 	int err = 0;
60 
61 	mailbox = mlx4_alloc_cmd_mailbox(dev);
62 	if (IS_ERR(mailbox))
63 		return PTR_ERR(mailbox);
64 
65 	filter = mailbox->buf;
66 	if (grp) {
67 		memset(filter, 0, sizeof *filter);
68 		for (i = VLAN_FLTR_SIZE - 1; i >= 0; i--) {
69 			entry = 0;
70 			for (j = 0; j < 32; j++)
71 				if (vlan_group_get_device(grp, index++))
72 					entry |= 1 << j;
73 			filter->entry[i] = cpu_to_be32(entry);
74 		}
75 	} else {
76 		/* When no vlans are configured we block all vlans */
77 		memset(filter, 0, sizeof(*filter));
78 	}
79 	err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_SET_VLAN_FLTR,
80 		       MLX4_CMD_TIME_CLASS_B);
81 	mlx4_free_cmd_mailbox(dev, mailbox);
82 	return err;
83 }
84 
85 
mlx4_SET_PORT_general(struct mlx4_dev * dev,u8 port,int mtu,u8 pptx,u8 pfctx,u8 pprx,u8 pfcrx)86 int mlx4_SET_PORT_general(struct mlx4_dev *dev, u8 port, int mtu,
87 			  u8 pptx, u8 pfctx, u8 pprx, u8 pfcrx)
88 {
89 	struct mlx4_cmd_mailbox *mailbox;
90 	struct mlx4_set_port_general_context *context;
91 	int err;
92 	u32 in_mod;
93 
94 	mailbox = mlx4_alloc_cmd_mailbox(dev);
95 	if (IS_ERR(mailbox))
96 		return PTR_ERR(mailbox);
97 	context = mailbox->buf;
98 	memset(context, 0, sizeof *context);
99 
100 	context->flags = SET_PORT_GEN_ALL_VALID;
101 	context->mtu = cpu_to_be16(mtu);
102 	context->pptx = (pptx * (!pfctx)) << 7;
103 	context->pfctx = pfctx;
104 	context->pprx = (pprx * (!pfcrx)) << 7;
105 	context->pfcrx = pfcrx;
106 
107 	in_mod = MLX4_SET_PORT_GENERAL << 8 | port;
108 	err = mlx4_cmd(dev, mailbox->dma, in_mod, 1, MLX4_CMD_SET_PORT,
109 		       MLX4_CMD_TIME_CLASS_B);
110 
111 	mlx4_free_cmd_mailbox(dev, mailbox);
112 	return err;
113 }
114 
mlx4_SET_PORT_qpn_calc(struct mlx4_dev * dev,u8 port,u32 base_qpn,u8 promisc)115 int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
116 			   u8 promisc)
117 {
118 	struct mlx4_cmd_mailbox *mailbox;
119 	struct mlx4_set_port_rqp_calc_context *context;
120 	int err;
121 	u32 in_mod;
122 
123 	mailbox = mlx4_alloc_cmd_mailbox(dev);
124 	if (IS_ERR(mailbox))
125 		return PTR_ERR(mailbox);
126 	context = mailbox->buf;
127 	memset(context, 0, sizeof *context);
128 
129 	context->base_qpn = cpu_to_be32(base_qpn);
130 	context->promisc = cpu_to_be32(promisc << SET_PORT_PROMISC_SHIFT | base_qpn);
131 	context->mcast = cpu_to_be32(1 << SET_PORT_PROMISC_SHIFT | base_qpn);
132 	context->intra_no_vlan = 0;
133 	context->no_vlan = MLX4_NO_VLAN_IDX;
134 	context->intra_vlan_miss = 0;
135 	context->vlan_miss = MLX4_VLAN_MISS_IDX;
136 
137 	in_mod = MLX4_SET_PORT_RQP_CALC << 8 | port;
138 	err = mlx4_cmd(dev, mailbox->dma, in_mod, 1, MLX4_CMD_SET_PORT,
139 		       MLX4_CMD_TIME_CLASS_B);
140 
141 	mlx4_free_cmd_mailbox(dev, mailbox);
142 	return err;
143 }
144 
145 
mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev * mdev,u8 port,u8 reset)146 int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
147 {
148 	struct mlx4_en_stat_out_mbox *mlx4_en_stats;
149 	struct mlx4_en_priv *priv = netdev_priv(mdev->pndev[port]);
150 	struct net_device_stats *stats = &priv->stats;
151 	struct mlx4_cmd_mailbox *mailbox;
152 	u64 in_mod = reset << 8 | port;
153 	int err;
154 
155 	mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
156 	if (IS_ERR(mailbox))
157 		return PTR_ERR(mailbox);
158 	memset(mailbox->buf, 0, sizeof(*mlx4_en_stats));
159 	err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, in_mod, 0,
160 			   MLX4_CMD_DUMP_ETH_STATS, MLX4_CMD_TIME_CLASS_B);
161 	if (err)
162 		goto out;
163 
164 	mlx4_en_stats = mailbox->buf;
165 
166 	spin_lock_bh(&priv->stats_lock);
167 
168 	stats->rx_packets = be32_to_cpu(mlx4_en_stats->RTOTFRMS) -
169 			    be32_to_cpu(mlx4_en_stats->RDROP);
170 	stats->tx_packets = be64_to_cpu(mlx4_en_stats->TTOT_prio_0) +
171 			    be64_to_cpu(mlx4_en_stats->TTOT_prio_1) +
172 			    be64_to_cpu(mlx4_en_stats->TTOT_prio_2) +
173 			    be64_to_cpu(mlx4_en_stats->TTOT_prio_3) +
174 			    be64_to_cpu(mlx4_en_stats->TTOT_prio_4) +
175 			    be64_to_cpu(mlx4_en_stats->TTOT_prio_5) +
176 			    be64_to_cpu(mlx4_en_stats->TTOT_prio_6) +
177 			    be64_to_cpu(mlx4_en_stats->TTOT_prio_7) +
178 			    be64_to_cpu(mlx4_en_stats->TTOT_novlan) +
179 			    be64_to_cpu(mlx4_en_stats->TTOT_loopbk);
180 	stats->rx_bytes = be64_to_cpu(mlx4_en_stats->ROCT_prio_0) +
181 			  be64_to_cpu(mlx4_en_stats->ROCT_prio_1) +
182 			  be64_to_cpu(mlx4_en_stats->ROCT_prio_2) +
183 			  be64_to_cpu(mlx4_en_stats->ROCT_prio_3) +
184 			  be64_to_cpu(mlx4_en_stats->ROCT_prio_4) +
185 			  be64_to_cpu(mlx4_en_stats->ROCT_prio_5) +
186 			  be64_to_cpu(mlx4_en_stats->ROCT_prio_6) +
187 			  be64_to_cpu(mlx4_en_stats->ROCT_prio_7) +
188 			  be64_to_cpu(mlx4_en_stats->ROCT_novlan);
189 
190 	stats->tx_bytes = be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_0) +
191 			  be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_1) +
192 			  be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_2) +
193 			  be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_3) +
194 			  be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_4) +
195 			  be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_5) +
196 			  be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_6) +
197 			  be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_7) +
198 			  be64_to_cpu(mlx4_en_stats->TTTLOCT_novlan) +
199 			  be64_to_cpu(mlx4_en_stats->TTTLOCT_loopbk);
200 
201 	stats->rx_errors = be64_to_cpu(mlx4_en_stats->PCS) +
202 			   be32_to_cpu(mlx4_en_stats->RdropLength) +
203 			   be32_to_cpu(mlx4_en_stats->RJBBR) +
204 			   be32_to_cpu(mlx4_en_stats->RCRC) +
205 			   be32_to_cpu(mlx4_en_stats->RRUNT);
206 	stats->tx_errors = be32_to_cpu(mlx4_en_stats->TDROP);
207 	stats->multicast = be64_to_cpu(mlx4_en_stats->MCAST_prio_0) +
208 			   be64_to_cpu(mlx4_en_stats->MCAST_prio_1) +
209 			   be64_to_cpu(mlx4_en_stats->MCAST_prio_2) +
210 			   be64_to_cpu(mlx4_en_stats->MCAST_prio_3) +
211 			   be64_to_cpu(mlx4_en_stats->MCAST_prio_4) +
212 			   be64_to_cpu(mlx4_en_stats->MCAST_prio_5) +
213 			   be64_to_cpu(mlx4_en_stats->MCAST_prio_6) +
214 			   be64_to_cpu(mlx4_en_stats->MCAST_prio_7) +
215 			   be64_to_cpu(mlx4_en_stats->MCAST_novlan);
216 	stats->collisions = 0;
217 	stats->rx_length_errors = be32_to_cpu(mlx4_en_stats->RdropLength);
218 	stats->rx_over_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw);
219 	stats->rx_crc_errors = be32_to_cpu(mlx4_en_stats->RCRC);
220 	stats->rx_frame_errors = 0;
221 	stats->rx_fifo_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw);
222 	stats->rx_missed_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw);
223 	stats->tx_aborted_errors = 0;
224 	stats->tx_carrier_errors = 0;
225 	stats->tx_fifo_errors = 0;
226 	stats->tx_heartbeat_errors = 0;
227 	stats->tx_window_errors = 0;
228 
229 	priv->pkstats.broadcast =
230 				be64_to_cpu(mlx4_en_stats->RBCAST_prio_0) +
231 				be64_to_cpu(mlx4_en_stats->RBCAST_prio_1) +
232 				be64_to_cpu(mlx4_en_stats->RBCAST_prio_2) +
233 				be64_to_cpu(mlx4_en_stats->RBCAST_prio_3) +
234 				be64_to_cpu(mlx4_en_stats->RBCAST_prio_4) +
235 				be64_to_cpu(mlx4_en_stats->RBCAST_prio_5) +
236 				be64_to_cpu(mlx4_en_stats->RBCAST_prio_6) +
237 				be64_to_cpu(mlx4_en_stats->RBCAST_prio_7) +
238 				be64_to_cpu(mlx4_en_stats->RBCAST_novlan);
239 	priv->pkstats.rx_prio[0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_0);
240 	priv->pkstats.rx_prio[1] = be64_to_cpu(mlx4_en_stats->RTOT_prio_1);
241 	priv->pkstats.rx_prio[2] = be64_to_cpu(mlx4_en_stats->RTOT_prio_2);
242 	priv->pkstats.rx_prio[3] = be64_to_cpu(mlx4_en_stats->RTOT_prio_3);
243 	priv->pkstats.rx_prio[4] = be64_to_cpu(mlx4_en_stats->RTOT_prio_4);
244 	priv->pkstats.rx_prio[5] = be64_to_cpu(mlx4_en_stats->RTOT_prio_5);
245 	priv->pkstats.rx_prio[6] = be64_to_cpu(mlx4_en_stats->RTOT_prio_6);
246 	priv->pkstats.rx_prio[7] = be64_to_cpu(mlx4_en_stats->RTOT_prio_7);
247 	priv->pkstats.tx_prio[0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_0);
248 	priv->pkstats.tx_prio[1] = be64_to_cpu(mlx4_en_stats->TTOT_prio_1);
249 	priv->pkstats.tx_prio[2] = be64_to_cpu(mlx4_en_stats->TTOT_prio_2);
250 	priv->pkstats.tx_prio[3] = be64_to_cpu(mlx4_en_stats->TTOT_prio_3);
251 	priv->pkstats.tx_prio[4] = be64_to_cpu(mlx4_en_stats->TTOT_prio_4);
252 	priv->pkstats.tx_prio[5] = be64_to_cpu(mlx4_en_stats->TTOT_prio_5);
253 	priv->pkstats.tx_prio[6] = be64_to_cpu(mlx4_en_stats->TTOT_prio_6);
254 	priv->pkstats.tx_prio[7] = be64_to_cpu(mlx4_en_stats->TTOT_prio_7);
255 	spin_unlock_bh(&priv->stats_lock);
256 
257 out:
258 	mlx4_free_cmd_mailbox(mdev->dev, mailbox);
259 	return err;
260 }
261 
262