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
},
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 #ifdef NL80211_BAND_ATTR_HT_CAPA
70 if (tb_band
[NL80211_BAND_ATTR_HT_CAPA
]) {
71 unsigned short cap
= nla_get_u16(tb_band
[NL80211_BAND_ATTR_HT_CAPA
]);
72 #define PCOM(fmt, args...) do { printf("\t\t\t * " fmt "\n", ##args); } while (0)
73 #define PBCOM(bit, args...) if (cap & (bit)) PCOM(args)
74 printf("\t\tHT capabilities: 0x%.4x\n", cap
);
75 PBCOM(0x0001, "LPDC coding");
77 PCOM("20/40 MHz operation");
79 PCOM("20 MHz operation");
80 switch ((cap
& 0x000c) >> 2) {
85 PCOM("dynamic SM PS");
88 PCOM("reserved SM PS");
91 PCOM("SM PS disabled");
94 PBCOM(0x0010, "HT-greenfield");
95 PBCOM(0x0020, "20 MHz short GI");
96 PBCOM(0x0040, "40 MHz short GI");
97 PBCOM(0x0080, "TX STBC");
99 PCOM("RX STBC %d streams", (cap
& 0x0300) >> 8);
100 PBCOM(0x0400, "HT-delayed block-ack");
101 PCOM("max A-MSDU len %d", 0xeff + ((cap
& 0x0800) << 1));
102 PBCOM(0x1000, "DSSS/CCK 40 MHz");
103 PBCOM(0x2000, "PSMP support");
104 PBCOM(0x4000, "40 MHz intolerant");
105 PBCOM(0x8000, "L-SIG TXOP protection support");
107 if (tb_band
[NL80211_BAND_ATTR_HT_AMPDU_FACTOR
]) {
108 unsigned char factor
= nla_get_u8(tb_band
[NL80211_BAND_ATTR_HT_AMPDU_FACTOR
]);
109 printf("\t\tHT A-MPDU factor: 0x%.4x (%d bytes)\n", factor
, (1<<(13+factor
))-1);
111 if (tb_band
[NL80211_BAND_ATTR_HT_AMPDU_DENSITY
]) {
112 unsigned char dens
= nla_get_u8(tb_band
[NL80211_BAND_ATTR_HT_AMPDU_DENSITY
]);
113 printf("\t\tHT A-MPDU density: 0x%.4x (", dens
);
116 printf("no restriction)\n");
119 printf("1/4 usec)\n");
122 printf("1/2 usec)\n");
125 printf("%d usec)\n", 1<<(dens
- 3));
128 if (tb_band
[NL80211_BAND_ATTR_HT_MCS_SET
] &&
129 nla_len(tb_band
[NL80211_BAND_ATTR_HT_MCS_SET
]) == 16) {
130 unsigned char *mcs
= nla_data(tb_band
[NL80211_BAND_ATTR_HT_MCS_SET
]);
131 printf("\t\tHT MCS set: %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x\n",
132 mcs
[0], mcs
[1], mcs
[2], mcs
[3], mcs
[4], mcs
[5], mcs
[6], mcs
[7],
133 mcs
[8], mcs
[9], mcs
[10], mcs
[11], mcs
[12], mcs
[13], mcs
[14], mcs
[15]);
137 printf("\t\tFrequencies:\n");
139 nla_for_each_nested(nl_freq
, tb_band
[NL80211_BAND_ATTR_FREQS
], rem_freq
) {
140 nla_parse(tb_freq
, NL80211_FREQUENCY_ATTR_MAX
, nla_data(nl_freq
),
141 nla_len(nl_freq
), freq_policy
);
142 if (!tb_freq
[NL80211_FREQUENCY_ATTR_FREQ
])
144 printf("\t\t\t* %d MHz", nla_get_u32(tb_freq
[NL80211_FREQUENCY_ATTR_FREQ
]));
146 if (tb_freq
[NL80211_FREQUENCY_ATTR_DISABLED
])
147 print_flag("disabled", &open
);
148 if (tb_freq
[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN
])
149 print_flag("passive scanning", &open
);
150 if (tb_freq
[NL80211_FREQUENCY_ATTR_NO_IBSS
])
151 print_flag("no IBSS", &open
);
152 if (tb_freq
[NL80211_FREQUENCY_ATTR_RADAR
])
153 print_flag("radar detection", &open
);
159 printf("\t\tBitrates:\n");
161 nla_for_each_nested(nl_rate
, tb_band
[NL80211_BAND_ATTR_RATES
], rem_rate
) {
162 nla_parse(tb_rate
, NL80211_BITRATE_ATTR_MAX
, nla_data(nl_rate
),
163 nla_len(nl_rate
), rate_policy
);
164 if (!tb_rate
[NL80211_BITRATE_ATTR_RATE
])
166 printf("\t\t\t* %2.1f Mbps", 0.1 * nla_get_u32(tb_rate
[NL80211_BITRATE_ATTR_RATE
]));
168 if (tb_rate
[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
])
169 print_flag("short preamble supported", &open
);
176 if (tb_msg
[NL80211_ATTR_MAX_NUM_SCAN_SSIDS
])
177 printf("\tmax # scan SSIDs: %d\n",
178 nla_get_u8(tb_msg
[NL80211_ATTR_MAX_NUM_SCAN_SSIDS
]));
180 if (!tb_msg
[NL80211_ATTR_SUPPORTED_IFTYPES
])
183 printf("\tSupported interface modes:\n");
184 nla_for_each_nested(nl_mode
, tb_msg
[NL80211_ATTR_SUPPORTED_IFTYPES
], rem_mode
)
185 printf("\t\t * %s\n", iftype_name(nl_mode
->nla_type
));
190 static int handle_info(struct nl_cb
*cb
,
192 int argc
, char **argv
)
194 nl_cb_set(cb
, NL_CB_VALID
, NL_CB_CUSTOM
, print_phy_handler
, NULL
);
198 TOPLEVEL(info
, NULL
, NL80211_CMD_GET_WIPHY
, 0, CIB_PHY
, handle_info
);
199 TOPLEVEL(list
, NULL
, NL80211_CMD_GET_WIPHY
, NLM_F_DUMP
, CIB_NONE
, handle_info
);