1/*
2 *------------------------------------------------------------------
3 * Copyright (c) 2018 Cisco and/or its affiliates.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *------------------------------------------------------------------
16 */
17#include <stdint.h>
18#include <net/if.h>
19#include <sys/ioctl.h>
20#include <inttypes.h>
21
22#include <vlib/vlib.h>
23#include <vlib/unix/unix.h>
24#include <vlib/pci/pci.h>
25#include <vnet/ethernet/ethernet.h>
26
27#include <rdma/rdma.h>
28
29static clib_error_t *
30rdma_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
31			vlib_cli_command_t * cmd)
32{
33  rdma_create_if_args_t args;
34
35  if (!unformat_user (input, unformat_rdma_create_if_args, &args))
36    return clib_error_return (0, "unknown input `%U'",
37			      format_unformat_error, input);
38
39  rdma_create_if (vm, &args);
40
41  vec_free (args.ifname);
42  vec_free (args.name);
43
44  return args.error;
45}
46
47/* *INDENT-OFF* */
48VLIB_CLI_COMMAND (rdma_create_command, static) = {
49  .path = "create interface rdma",
50  .short_help = "create interface rdma <host-if ifname> [name <name>]"
51    " [rx-queue-size <size>] [tx-queue-size <size>]"
52    " [num-rx-queues <size>] [mode <auto|ibv|dv]",
53  .function = rdma_create_command_fn,
54};
55/* *INDENT-ON* */
56
57static clib_error_t *
58rdma_delete_command_fn (vlib_main_t * vm, unformat_input_t * input,
59			vlib_cli_command_t * cmd)
60{
61  unformat_input_t _line_input, *line_input = &_line_input;
62  u32 sw_if_index = ~0;
63  vnet_hw_interface_t *hw;
64  rdma_main_t *rm = &rdma_main;
65  rdma_device_t *rd;
66  vnet_main_t *vnm = vnet_get_main ();
67
68  /* Get a line of input. */
69  if (!unformat_user (input, unformat_line_input, line_input))
70    return 0;
71
72  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
73    {
74      if (unformat (line_input, "sw_if_index %d", &sw_if_index))
75	;
76      else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
77			 vnm, &sw_if_index))
78	;
79      else
80	return clib_error_return (0, "unknown input `%U'",
81				  format_unformat_error, input);
82    }
83  unformat_free (line_input);
84
85  if (sw_if_index == ~0)
86    return clib_error_return (0,
87			      "please specify interface name or sw_if_index");
88
89  hw = vnet_get_sup_hw_interface_api_visible_or_null (vnm, sw_if_index);
90  if (hw == NULL || rdma_device_class.index != hw->dev_class_index)
91    return clib_error_return (0, "not a RDMA interface");
92
93  rd = pool_elt_at_index (rm->devices, hw->dev_instance);
94
95  rdma_delete_if (vm, rd);
96
97  return 0;
98}
99
100/* *INDENT-OFF* */
101VLIB_CLI_COMMAND (rdma_delete_command, static) = {
102  .path = "delete interface rdma",
103  .short_help = "delete interface rdma "
104    "{<interface> | sw_if_index <sw_idx>}",
105  .function = rdma_delete_command_fn,
106};
107/* *INDENT-ON* */
108
109static clib_error_t *
110test_rdma_dump_command_fn (vlib_main_t * vm, unformat_input_t * input,
111			   vlib_cli_command_t * cmd)
112{
113  unformat_input_t _line_input, *line_input = &_line_input;
114  u32 sw_if_index = ~0;
115  vnet_hw_interface_t *hw;
116  rdma_main_t *rm = &rdma_main;
117  rdma_device_t *rd;
118  vnet_main_t *vnm = vnet_get_main ();
119  int i;
120
121  /* Get a line of input. */
122  if (!unformat_user (input, unformat_line_input, line_input))
123    return 0;
124
125  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
126    {
127      if (unformat (line_input, "sw_if_index %d", &sw_if_index))
128	;
129      else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
130			 vnm, &sw_if_index))
131	;
132      else
133	return clib_error_return (0, "unknown input `%U'",
134				  format_unformat_error, input);
135    }
136  unformat_free (line_input);
137
138  if (sw_if_index == ~0)
139    return clib_error_return (0,
140			      "please specify interface name or sw_if_index");
141
142  hw = vnet_get_sup_hw_interface_api_visible_or_null (vnm, sw_if_index);
143  if (hw == NULL || rdma_device_class.index != hw->dev_class_index)
144    return clib_error_return (0, "not a RDMA interface");
145
146  rd = pool_elt_at_index (rm->devices, hw->dev_instance);
147
148  if ((rd->flags & RDMA_DEVICE_F_MLX5DV) == 0)
149    return clib_error_return (0, "not a mlx5 interface");
150
151  vlib_cli_output (vm, "netdev %s pci-addr %U lkey 0x%x",
152		   rd->linux_ifname, format_vlib_pci_addr, &rd->pci->addr,
153		   &rd->lkey);
154
155  vec_foreach_index (i, rd->rxqs)
156  {
157    vlib_cli_output (vm, "RX queue %u\n  %U\n", i, format_rdma_rxq, rd, i);
158  }
159
160  return 0;
161}
162
163/* *INDENT-OFF* */
164VLIB_CLI_COMMAND (test_rdma_mlx5dv_dump_command, static) = {
165  .path = "test rdma dump",
166  .short_help = "test rdma dump {<interface> | sw_if_index <sw_idx>}",
167  .function = test_rdma_dump_command_fn,
168};
169/* *INDENT-ON* */
170
171clib_error_t *
172rdma_cli_init (vlib_main_t * vm)
173{
174  return 0;
175}
176
177VLIB_INIT_FUNCTION (rdma_cli_init);
178
179/*
180 * fd.io coding-style-patch-verification: ON
181 *
182 * Local Variables:
183 * eval: (c-set-style "gnu")
184 * End:
185 */
186