2 #include <linux/nl80211.h>
5 #include <netlink/genl/genl.h>
6 #include <netlink/genl/family.h>
7 #include <netlink/genl/ctrl.h>
8 #include <netlink/msg.h>
9 #include <netlink/attr.h>
13 static void print_flag(const char *name
, int *open
)
23 static int print_phy_handler(struct nl_msg
*msg
, void *arg
)
25 struct nlattr
*tb_msg
[NL80211_ATTR_MAX
+ 1];
26 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
28 struct nlattr
*tb_band
[NL80211_BAND_ATTR_MAX
+ 1];
30 struct nlattr
*tb_freq
[NL80211_FREQUENCY_ATTR_MAX
+ 1];
31 static struct nla_policy freq_policy
[NL80211_FREQUENCY_ATTR_MAX
+ 1] = {
32 [NL80211_FREQUENCY_ATTR_FREQ
] = { .type
= NLA_U32
},
33 [NL80211_FREQUENCY_ATTR_DISABLED
] = { .type
= NLA_FLAG
},
34 [NL80211_FREQUENCY_ATTR_PASSIVE_SCAN
] = { .type
= NLA_FLAG
},
35 [NL80211_FREQUENCY_ATTR_NO_IBSS
] = { .type
= NLA_FLAG
},
36 [NL80211_FREQUENCY_ATTR_RADAR
] = { .type
= NLA_FLAG
},
39 struct nlattr
*tb_rate
[NL80211_BITRATE_ATTR_MAX
+ 1];
40 static struct nla_policy rate_policy
[NL80211_BITRATE_ATTR_MAX
+ 1] = {
41 [NL80211_BITRATE_ATTR_RATE
] = { .type
= NLA_U32
},
42 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
] = { .type
= NLA_FLAG
},
45 struct nlattr
*nl_band
;
46 struct nlattr
*nl_freq
;
47 struct nlattr
*nl_rate
;
48 struct nlattr
*nl_mode
;
50 int rem_band
, rem_freq
, rem_rate
, rem_mode
;
53 nla_parse(tb_msg
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
54 genlmsg_attrlen(gnlh
, 0), NULL
);
56 if (!tb_msg
[NL80211_ATTR_WIPHY_BANDS
])
59 if (tb_msg
[NL80211_ATTR_WIPHY_NAME
])
60 printf("Wiphy %s\n", nla_get_string(tb_msg
[NL80211_ATTR_WIPHY_NAME
]));
62 nla_for_each_nested(nl_band
, tb_msg
[NL80211_ATTR_WIPHY_BANDS
], rem_band
) {
63 printf("\tBand %d:\n", bandidx
);
66 nla_parse(tb_band
, NL80211_BAND_ATTR_MAX
, nla_data(nl_band
),
67 nla_len(nl_band
), NULL
);
69 printf("\t\tFrequencies:\n");
71 nla_for_each_nested(nl_freq
, tb_band
[NL80211_BAND_ATTR_FREQS
], rem_freq
) {
72 nla_parse(tb_freq
, NL80211_FREQUENCY_ATTR_MAX
, nla_data(nl_freq
),
73 nla_len(nl_freq
), freq_policy
);
74 if (!tb_freq
[NL80211_FREQUENCY_ATTR_FREQ
])
76 printf("\t\t\t* %d MHz", nla_get_u32(tb_freq
[NL80211_FREQUENCY_ATTR_FREQ
]));
78 if (tb_freq
[NL80211_FREQUENCY_ATTR_DISABLED
])
79 print_flag("disabled", &open
);
80 if (tb_freq
[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN
])
81 print_flag("passive scanning", &open
);
82 if (tb_freq
[NL80211_FREQUENCY_ATTR_NO_IBSS
])
83 print_flag("no IBSS", &open
);
84 if (tb_freq
[NL80211_FREQUENCY_ATTR_RADAR
])
85 print_flag("radar detection", &open
);
91 printf("\t\tBitrates:\n");
93 nla_for_each_nested(nl_rate
, tb_band
[NL80211_BAND_ATTR_RATES
], rem_rate
) {
94 nla_parse(tb_rate
, NL80211_BITRATE_ATTR_MAX
, nla_data(nl_rate
),
95 nla_len(nl_rate
), rate_policy
);
96 if (!tb_rate
[NL80211_BITRATE_ATTR_RATE
])
98 printf("\t\t\t* %2.1f Mbps", 0.1 * nla_get_u32(tb_rate
[NL80211_BITRATE_ATTR_RATE
]));
100 if (tb_rate
[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
])
101 print_flag("short preamble supported", &open
);
108 if (!tb_msg
[NL80211_ATTR_SUPPORTED_IFTYPES
])
111 printf("\tSupported interface modes:\n");
112 nla_for_each_nested(nl_mode
, tb_msg
[NL80211_ATTR_SUPPORTED_IFTYPES
], rem_mode
)
113 printf("\t\t * %s\n", iftype_name(nl_mode
->nla_type
));
118 static int handle_info(struct nl_cb
*cb
,
120 int argc
, char **argv
)
122 nl_cb_set(cb
, NL_CB_VALID
, NL_CB_CUSTOM
, print_phy_handler
, NULL
);
126 TOPLEVEL(info
, NULL
, NL80211_CMD_GET_WIPHY
, 0, CIB_PHY
, handle_info
);
127 TOPLEVEL(list
, NULL
, NL80211_CMD_GET_WIPHY
, NLM_F_DUMP
, CIB_NONE
, handle_info
);