1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/*
* sys.c RDMA tool
*/
#include "rdma.h"
static int sys_help(struct rd *rd)
{
pr_out("Usage: %s system show [ netns ]\n", rd->filename);
pr_out(" %s system set netns { shared | exclusive }\n", rd->filename);
return 0;
}
static const char *netns_modes_str[] = {
"exclusive",
"shared",
};
static int sys_show_parse_cb(const struct nlmsghdr *nlh, void *data)
{
struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
bool cof = false;
mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
if (tb[RDMA_NLDEV_SYS_ATTR_NETNS_MODE]) {
const char *mode_str;
uint8_t netns_mode;
netns_mode =
mnl_attr_get_u8(tb[RDMA_NLDEV_SYS_ATTR_NETNS_MODE]);
if (netns_mode < ARRAY_SIZE(netns_modes_str))
mode_str = netns_modes_str[netns_mode];
else
mode_str = "unknown";
print_color_string(PRINT_ANY, COLOR_NONE, "netns", "netns %s ",
mode_str);
}
if (tb[RDMA_NLDEV_SYS_ATTR_COPY_ON_FORK])
cof = mnl_attr_get_u8(tb[RDMA_NLDEV_SYS_ATTR_COPY_ON_FORK]);
print_color_on_off(PRINT_ANY, COLOR_NONE, "copy-on-fork",
"copy-on-fork %s\n",
cof);
return MNL_CB_OK;
}
static int sys_show_no_args(struct rd *rd)
{
uint32_t seq;
int ret;
rd_prepare_msg(rd, RDMA_NLDEV_CMD_SYS_GET,
&seq, (NLM_F_REQUEST | NLM_F_ACK));
ret = rd_send_msg(rd);
if (ret)
return ret;
return rd_recv_msg(rd, sys_show_parse_cb, rd, seq);
}
static int sys_show(struct rd *rd)
{
const struct rd_cmd cmds[] = {
{ NULL, sys_show_no_args},
{ "netns", sys_show_no_args},
{ 0 }
};
return rd_exec_cmd(rd, cmds, "parameter");
}
static int sys_set_netns_cmd(struct rd *rd, bool enable)
{
uint32_t seq;
rd_prepare_msg(rd, RDMA_NLDEV_CMD_SYS_SET,
&seq, (NLM_F_REQUEST | NLM_F_ACK));
mnl_attr_put_u8(rd->nlh, RDMA_NLDEV_SYS_ATTR_NETNS_MODE, enable);
return rd_sendrecv_msg(rd, seq);
}
static bool sys_valid_netns_cmd(const char *cmd)
{
int i;
for (i = 0; i < ARRAY_SIZE(netns_modes_str); i++) {
if (!strcmp(cmd, netns_modes_str[i]))
return true;
}
return false;
}
static int sys_set_netns_args(struct rd *rd)
{
bool cmd;
if (rd_no_arg(rd) || !sys_valid_netns_cmd(rd_argv(rd))) {
pr_err("valid options are: { shared | exclusive }\n");
return -EINVAL;
}
cmd = (strcmp(rd_argv(rd), "shared") == 0) ? true : false;
return sys_set_netns_cmd(rd, cmd);
}
static int sys_set_help(struct rd *rd)
{
pr_out("Usage: %s system set [PARAM] value\n", rd->filename);
pr_out(" system set netns { shared | exclusive }\n");
return 0;
}
static int sys_set(struct rd *rd)
{
const struct rd_cmd cmds[] = {
{ NULL, sys_set_help },
{ "help", sys_set_help },
{ "netns", sys_set_netns_args},
{ 0 }
};
return rd_exec_cmd(rd, cmds, "parameter");
}
int cmd_sys(struct rd *rd)
{
const struct rd_cmd cmds[] = {
{ NULL, sys_show },
{ "show", sys_show },
{ "set", sys_set },
{ "help", sys_help },
{ 0 }
};
return rd_exec_cmd(rd, cmds, "system command");
}
|
