xref: /f-stack/dpdk/drivers/net/mlx5/mlx5_rxmode.c (revision 031be553)
1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright 2015 6WIND S.A.
5  *   Copyright 2015 Mellanox.
6  *
7  *   Redistribution and use in source and binary forms, with or without
8  *   modification, are permitted provided that the following conditions
9  *   are met:
10  *
11  *     * Redistributions of source code must retain the above copyright
12  *       notice, this list of conditions and the following disclaimer.
13  *     * Redistributions in binary form must reproduce the above copyright
14  *       notice, this list of conditions and the following disclaimer in
15  *       the documentation and/or other materials provided with the
16  *       distribution.
17  *     * Neither the name of 6WIND S.A. nor the names of its
18  *       contributors may be used to endorse or promote products derived
19  *       from this software without specific prior written permission.
20  *
21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #include <stddef.h>
35 #include <errno.h>
36 #include <string.h>
37 
38 /* Verbs header. */
39 /* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
40 #ifdef PEDANTIC
41 #pragma GCC diagnostic ignored "-Wpedantic"
42 #endif
43 #include <infiniband/verbs.h>
44 #ifdef PEDANTIC
45 #pragma GCC diagnostic error "-Wpedantic"
46 #endif
47 
48 #include <rte_ethdev.h>
49 
50 #include "mlx5.h"
51 #include "mlx5_rxtx.h"
52 #include "mlx5_utils.h"
53 
54 /**
55  * DPDK callback to enable promiscuous mode.
56  *
57  * @param dev
58  *   Pointer to Ethernet device structure.
59  */
60 void
61 mlx5_promiscuous_enable(struct rte_eth_dev *dev)
62 {
63 	struct priv *priv = dev->data->dev_private;
64 	int ret;
65 
66 	dev->data->promiscuous = 1;
67 	if (priv->isolated) {
68 		DRV_LOG(WARNING,
69 			"port %u cannot enable promiscuous mode"
70 			" in flow isolation mode",
71 			dev->data->port_id);
72 		return;
73 	}
74 	ret = mlx5_traffic_restart(dev);
75 	if (ret)
76 		DRV_LOG(ERR, "port %u cannot enable promiscuous mode: %s",
77 			dev->data->port_id, strerror(rte_errno));
78 }
79 
80 /**
81  * DPDK callback to disable promiscuous mode.
82  *
83  * @param dev
84  *   Pointer to Ethernet device structure.
85  */
86 void
87 mlx5_promiscuous_disable(struct rte_eth_dev *dev)
88 {
89 	int ret;
90 
91 	dev->data->promiscuous = 0;
92 	ret = mlx5_traffic_restart(dev);
93 	if (ret)
94 		DRV_LOG(ERR, "port %u cannot disable promiscuous mode: %s",
95 			dev->data->port_id, strerror(rte_errno));
96 }
97 
98 /**
99  * DPDK callback to enable allmulti mode.
100  *
101  * @param dev
102  *   Pointer to Ethernet device structure.
103  */
104 void
105 mlx5_allmulticast_enable(struct rte_eth_dev *dev)
106 {
107 	struct priv *priv = dev->data->dev_private;
108 	int ret;
109 
110 	dev->data->all_multicast = 1;
111 	if (priv->isolated) {
112 		DRV_LOG(WARNING,
113 			"port %u cannot enable allmulticast mode"
114 			" in flow isolation mode",
115 			dev->data->port_id);
116 		return;
117 	}
118 	ret = mlx5_traffic_restart(dev);
119 	if (ret)
120 		DRV_LOG(ERR, "port %u cannot enable allmulicast mode: %s",
121 			dev->data->port_id, strerror(rte_errno));
122 }
123 
124 /**
125  * DPDK callback to disable allmulti mode.
126  *
127  * @param dev
128  *   Pointer to Ethernet device structure.
129  */
130 void
131 mlx5_allmulticast_disable(struct rte_eth_dev *dev)
132 {
133 	int ret;
134 
135 	dev->data->all_multicast = 0;
136 	ret = mlx5_traffic_restart(dev);
137 	if (ret)
138 		DRV_LOG(ERR, "port %u cannot disable allmulicast mode: %s",
139 			dev->data->port_id, strerror(rte_errno));
140 }
141