4 #include <netlink/genl/genl.h>
5 #include <netlink/genl/family.h>
6 #include <netlink/genl/ctrl.h>
7 #include <netlink/msg.h>
8 #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
},
37 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER
] = { .type
= NLA_U32
},
40 struct nlattr
*tb_rate
[NL80211_BITRATE_ATTR_MAX
+ 1];
41 static struct nla_policy rate_policy
[NL80211_BITRATE_ATTR_MAX
+ 1] = {
42 [NL80211_BITRATE_ATTR_RATE
] = { .type
= NLA_U32
},
43 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
] = { .type
= NLA_FLAG
},
46 struct nlattr
*nl_band
;
47 struct nlattr
*nl_freq
;
48 struct nlattr
*nl_rate
;
49 struct nlattr
*nl_mode
;
51 int rem_band
, rem_freq
, rem_rate
, rem_mode
;
54 nla_parse(tb_msg
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
55 genlmsg_attrlen(gnlh
, 0), NULL
);
57 if (!tb_msg
[NL80211_ATTR_WIPHY_BANDS
])
60 if (tb_msg
[NL80211_ATTR_WIPHY_NAME
])
61 printf("Wiphy %s\n", nla_get_string(tb_msg
[NL80211_ATTR_WIPHY_NAME
]));
63 nla_for_each_nested(nl_band
, tb_msg
[NL80211_ATTR_WIPHY_BANDS
], rem_band
) {
64 printf("\tBand %d:\n", bandidx
);
67 nla_parse(tb_band
, NL80211_BAND_ATTR_MAX
, nla_data(nl_band
),
68 nla_len(nl_band
), NULL
);
70 #ifdef NL80211_BAND_ATTR_HT_CAPA
71 if (tb_band
[NL80211_BAND_ATTR_HT_CAPA
]) {
72 unsigned short cap
= nla_get_u16(tb_band
[NL80211_BAND_ATTR_HT_CAPA
]);
73 #define PCOM(fmt, args...) do { printf("\t\t\t * " fmt "\n", ##args); } while (0)
74 #define PBCOM(bit, args...) if (cap & (bit)) PCOM(args)
75 printf("\t\tHT capabilities: 0x%.4x\n", cap
);
76 PBCOM(0x0001, "LPDC coding");
78 PCOM("20/40 MHz operation");
80 PCOM("20 MHz operation");
81 switch ((cap
& 0x000c) >> 2) {
86 PCOM("dynamic SM PS");
89 PCOM("reserved SM PS");
92 PCOM("SM PS disabled");
95 PBCOM(0x0010, "HT-greenfield");
96 PBCOM(0x0020, "20 MHz short GI");
97 PBCOM(0x0040, "40 MHz short GI");
98 PBCOM(0x0080, "TX STBC");
100 PCOM("RX STBC %d streams", (cap
& 0x0300) >> 8);
101 PBCOM(0x0400, "HT-delayed block-ack");
102 PCOM("max A-MSDU len %d", 0xeff + ((cap
& 0x0800) << 1));
103 PBCOM(0x1000, "DSSS/CCK 40 MHz");
104 PBCOM(0x2000, "PSMP support");
105 PBCOM(0x4000, "40 MHz intolerant");
106 PBCOM(0x8000, "L-SIG TXOP protection support");
108 if (tb_band
[NL80211_BAND_ATTR_HT_AMPDU_FACTOR
]) {
109 unsigned char factor
= nla_get_u8(tb_band
[NL80211_BAND_ATTR_HT_AMPDU_FACTOR
]);
110 printf("\t\tHT A-MPDU factor: 0x%.4x (%d bytes)\n", factor
, (1<<(13+factor
))-1);
112 if (tb_band
[NL80211_BAND_ATTR_HT_AMPDU_DENSITY
]) {
113 unsigned char dens
= nla_get_u8(tb_band
[NL80211_BAND_ATTR_HT_AMPDU_DENSITY
]);
114 printf("\t\tHT A-MPDU density: 0x%.4x (", dens
);
117 printf("no restriction)\n");
120 printf("1/4 usec)\n");
123 printf("1/2 usec)\n");
126 printf("%d usec)\n", 1<<(dens
- 3));
129 if (tb_band
[NL80211_BAND_ATTR_HT_MCS_SET
] &&
130 nla_len(tb_band
[NL80211_BAND_ATTR_HT_MCS_SET
]) == 16) {
131 unsigned char *mcs
= nla_data(tb_band
[NL80211_BAND_ATTR_HT_MCS_SET
]);
132 printf("\t\tHT MCS set: %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x\n",
133 mcs
[0], mcs
[1], mcs
[2], mcs
[3], mcs
[4], mcs
[5], mcs
[6], mcs
[7],
134 mcs
[8], mcs
[9], mcs
[10], mcs
[11], mcs
[12], mcs
[13], mcs
[14], mcs
[15]);
138 printf("\t\tFrequencies:\n");
140 nla_for_each_nested(nl_freq
, tb_band
[NL80211_BAND_ATTR_FREQS
], rem_freq
) {
142 nla_parse(tb_freq
, NL80211_FREQUENCY_ATTR_MAX
, nla_data(nl_freq
),
143 nla_len(nl_freq
), freq_policy
);
144 if (!tb_freq
[NL80211_FREQUENCY_ATTR_FREQ
])
146 freq
= nla_get_u32(tb_freq
[NL80211_FREQUENCY_ATTR_FREQ
]);
147 printf("\t\t\t* %d MHz [%d]", freq
, ieee80211_frequency_to_channel(freq
));
149 if (tb_freq
[NL80211_FREQUENCY_ATTR_MAX_TX_POWER
] &&
150 !tb_freq
[NL80211_FREQUENCY_ATTR_DISABLED
])
151 printf(" (%.1f dBm)", 0.01 * nla_get_u32(tb_freq
[NL80211_FREQUENCY_ATTR_MAX_TX_POWER
]));
154 if (tb_freq
[NL80211_FREQUENCY_ATTR_DISABLED
])
155 print_flag("disabled", &open
);
156 if (tb_freq
[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN
])
157 print_flag("passive scanning", &open
);
158 if (tb_freq
[NL80211_FREQUENCY_ATTR_NO_IBSS
])
159 print_flag("no IBSS", &open
);
160 if (tb_freq
[NL80211_FREQUENCY_ATTR_RADAR
])
161 print_flag("radar detection", &open
);
167 printf("\t\tBitrates:\n");
169 nla_for_each_nested(nl_rate
, tb_band
[NL80211_BAND_ATTR_RATES
], rem_rate
) {
170 nla_parse(tb_rate
, NL80211_BITRATE_ATTR_MAX
, nla_data(nl_rate
),
171 nla_len(nl_rate
), rate_policy
);
172 if (!tb_rate
[NL80211_BITRATE_ATTR_RATE
])
174 printf("\t\t\t* %2.1f Mbps", 0.1 * nla_get_u32(tb_rate
[NL80211_BITRATE_ATTR_RATE
]));
176 if (tb_rate
[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
])
177 print_flag("short preamble supported", &open
);
184 if (!tb_msg
[NL80211_ATTR_SUPPORTED_IFTYPES
])
187 printf("\tSupported interface modes:\n");
188 nla_for_each_nested(nl_mode
, tb_msg
[NL80211_ATTR_SUPPORTED_IFTYPES
], rem_mode
)
189 printf("\t\t * %s\n", iftype_name(nl_mode
->nla_type
));
194 static int handle_info(struct nl_cb
*cb
,
196 int argc
, char **argv
)
198 nl_cb_set(cb
, NL_CB_VALID
, NL_CB_CUSTOM
, print_phy_handler
, NULL
);
202 TOPLEVEL(info
, NULL
, NL80211_CMD_GET_WIPHY
, 0, CIB_PHY
, handle_info
);
203 TOPLEVEL(list
, NULL
, NL80211_CMD_GET_WIPHY
, NLM_F_DUMP
, CIB_NONE
, handle_info
);