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nl80211: Debug print channel list

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This makes it a bit easier to figure out how channel list update from
the kernel is taken into use.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2019-01-01 15:51:10 +02:00
parent c55799e54c
commit d8dda601f0
1 changed files with 61 additions and 2 deletions
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63
src/drivers/driver_nl80211_capa.c
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@ -2066,6 +2066,61 @@ static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv,
}
static const char * modestr(enum hostapd_hw_mode mode)
{
switch (mode) {
case HOSTAPD_MODE_IEEE80211B:
return "802.11b";
case HOSTAPD_MODE_IEEE80211G:
return "802.11g";
case HOSTAPD_MODE_IEEE80211A:
return "802.11a";
case HOSTAPD_MODE_IEEE80211AD:
return "802.11ad";
default:
return "?";
}
}
static void nl80211_dump_chan_list(struct hostapd_hw_modes *modes,
u16 num_modes)
{
int i;
if (!modes)
return;
for (i = 0; i < num_modes; i++) {
struct hostapd_hw_modes *mode = &modes[i];
char str[200];
char *pos = str;
char *end = pos + sizeof(str);
int j, res;
for (j = 0; j < mode->num_channels; j++) {
struct hostapd_channel_data *chan = &mode->channels[j];
res = os_snprintf(pos, end - pos, " %d%s%s%s",
chan->freq,
(chan->flag & HOSTAPD_CHAN_DISABLED) ?
"[DISABLED]" : "",
(chan->flag & HOSTAPD_CHAN_NO_IR) ?
"[NO_IR]" : "",
(chan->flag & HOSTAPD_CHAN_RADAR) ?
"[RADAR]" : "");
if (os_snprintf_error(end - pos, res))
break;
pos += res;
}
*pos = '\0';
wpa_printf(MSG_DEBUG, "nl80211: Mode IEEE %s:%s",
modestr(mode->mode), str);
}
}
struct hostapd_hw_modes *
nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags,
u8 *dfs_domain)
@ -2097,6 +2152,8 @@ nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags,
}
if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) {
struct hostapd_hw_modes *modes;
nl80211_set_regulatory_flags(drv, &result);
if (result.failed) {
int i;
@ -2112,8 +2169,10 @@ nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags,
*dfs_domain = result.dfs_domain;
return wpa_driver_nl80211_postprocess_modes(result.modes,
num_modes);
modes = wpa_driver_nl80211_postprocess_modes(result.modes,
num_modes);
nl80211_dump_chan_list(modes, *num_modes);
return modes;
}
return NULL;