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Pass signal strength through, fix units

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The signal strength is currently never used as the only driver reporting
it is nl80211 which uses IEEE80211_RADIOTAP_DB_ANTSIGNAL which is never
populated by the kernel. The kernel will (soon) populate
IEEE80211_RADIOTAP_DBM_ANTSIGNAL instead though, so use that.

Also, since it was never really populated, we can redefine the signal
field to be in dBm units only.

My next patch will also require knowing the signal strength of probe
requests throughout the code (where available), so add it to the
necessary APIs.

Signed-hostap: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2012-04-01 18:48:12 +03:00 • committed by Jouni Malinen
parent 370b076197
commit baf513d695
13 changed files with 47 additions and 25 deletions
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10
src/ap/hostapd.h
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@ -31,7 +31,7 @@ struct hapd_interfaces {
struct hostapd_probereq_cb {
int (*cb)(void *ctx, const u8 *sa, const u8 *da, const u8 *bssid,
const u8 *ie, size_t ie_len);
const u8 *ie, size_t ie_len, int ssi_signal);
void *ctx;
};
@ -45,7 +45,7 @@ struct hostapd_rate_data {
struct hostapd_frame_info {
u32 channel;
u32 datarate;
u32 ssi_signal;
int ssi_signal; /* dBm */
};
@ -269,7 +269,8 @@ void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
int hostapd_register_probereq_cb(struct hostapd_data *hapd,
int (*cb)(void *ctx, const u8 *sa,
const u8 *da, const u8 *bssid,
const u8 *ie, size_t ie_len),
const u8 *ie, size_t ie_len,
int ssi_signal),
void *ctx);
void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr);
@ -279,6 +280,7 @@ int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr);
int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
const u8 *bssid, const u8 *ie, size_t ie_len);
const u8 *bssid, const u8 *ie, size_t ie_len,
int ssi_signal);
#endif /* HOSTAPD_H */