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drivers: Document struct wpa_signal_info

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Add documentation to the wpa_signal_info structure.
Add a define for an invalid noise value.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Emmanuel Grumbach 2018-09-05 20:44:32 +03:00 committed by Jouni Malinen
parent 381523ecae
commit 941807f6b6
3 changed files with 17 additions and 4 deletions
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13
src/drivers/driver.h
View File

@ -1913,8 +1913,21 @@ enum chan_width {
CHAN_WIDTH_UNKNOWN
};
#define WPA_INVALID_NOISE 9999
/**
* struct wpa_signal_info - Information about channel signal quality
* @frequency: control frequency
* @above_threshold: true if the above threshold was crossed
* (relevant for a CQM event)
* @current_signal: in dBm
* @avg_signal: in dBm
* @avg_beacon_signal: in dBm
* @current_noise: %WPA_INVALID_NOISE if not supported
* @current_txrate: current TX rate
* @chanwidth: channel width
* @center_frq1: center frequency for the first segment
* @center_frq2: center frequency for the second segment (if relevant)
*/
struct wpa_signal_info {
u32 frequency;

4
src/drivers/driver_nl80211.c
View File

@ -1469,7 +1469,7 @@ int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
{
struct nl_msg *msg;
sig->current_signal = -9999;
sig->current_signal = -WPA_INVALID_NOISE;
sig->current_txrate = 0;
if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) ||
@ -1531,7 +1531,7 @@ int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
{
struct nl_msg *msg;
sig_change->current_noise = 9999;
sig_change->current_noise = WPA_INVALID_NOISE;
sig_change->frequency = drv->assoc_freq;
msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);

4
src/drivers/driver_wext.c
View File

@ -2428,8 +2428,8 @@ static int wpa_driver_wext_signal_poll(void *priv, struct wpa_signal_info *si)
struct iwreq iwr;
os_memset(si, 0, sizeof(*si));
si->current_signal = -9999;
si->current_noise = 9999;
si->current_signal = -WPA_INVALID_NOISE;
si->current_noise = WPA_INVALID_NOISE;
si->chanwidth = CHAN_WIDTH_UNKNOWN;
os_memset(&iwr, 0, sizeof(iwr));