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cfg80211: send ack_signal to user in probe client response

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This patch provides support to get ack signal in probe client response
and in station info from user.

Signed-off-by: Venkateswara Naralasetty <vnaralas@codeaurora.org>
[squash in compilation fixes]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Venkateswara Naralasetty 2018-02-13 11:03:06 +05:30 committed by Johannes Berg
parent 11b05ba34d
commit c4b50cd31d
5 changed files with 18 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/wireless/ath/wil6210/cfg80211.c
View File

@ -1599,7 +1599,8 @@ static void wil_probe_client_handle(struct wil6210_priv *wil,
*/
bool alive = (sta->status == wil_sta_connected);
cfg80211_probe_status(ndev, sta->addr, req->cookie, alive, GFP_KERNEL);
cfg80211_probe_status(ndev, sta->addr, req->cookie, alive,
0, false, GFP_KERNEL);
}
static struct list_head *next_probe_client(struct wil6210_priv *wil)

7
include/net/cfg80211.h
View File

@ -1147,6 +1147,7 @@ struct cfg80211_tid_stats {
* @rx_duration: aggregate PPDU duration(usecs) for all the frames from a peer
* @pertid: per-TID statistics, see &struct cfg80211_tid_stats, using the last
* (IEEE80211_NUM_TIDS) index for MSDUs not encapsulated in QoS-MPDUs.
* @ack_signal: signal strength (in dBm) of the last ACK frame.
*/
struct station_info {
u64 filled;
@ -1191,6 +1192,7 @@ struct station_info {
u64 rx_duration;
u8 rx_beacon_signal_avg;
struct cfg80211_tid_stats pertid[IEEE80211_NUM_TIDS + 1];
s8 ack_signal;
};
#if IS_ENABLED(CONFIG_CFG80211)
@ -5838,10 +5840,13 @@ bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
* @addr: the address of the peer
* @cookie: the cookie filled in @probe_client previously
* @acked: indicates whether probe was acked or not
* @ack_signal: signal strength (in dBm) of the ACK frame.
* @is_valid_ack_signal: indicates the ack_signal is valid or not.
* @gfp: allocation flags
*/
void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
u64 cookie, bool acked, gfp_t gfp);
u64 cookie, bool acked, s32 ack_signal,
bool is_valid_ack_signal, gfp_t gfp);
/**
* cfg80211_report_obss_beacon - report beacon from other APs

3
include/uapi/linux/nl80211.h
View File

@ -2626,6 +2626,7 @@ enum nl80211_attrs {
NL80211_ATTR_EXTERNAL_AUTH_SUPPORT,
NL80211_ATTR_NSS,
NL80211_ATTR_ACK_SIGNAL,
/* add attributes here, update the policy in nl80211.c */
@ -2947,6 +2948,7 @@ enum nl80211_sta_bss_param {
* @NL80211_STA_INFO_RX_DURATION: aggregate PPDU duration for all frames
* received from the station (u64, usec)
* @NL80211_STA_INFO_PAD: attribute used for padding for 64-bit alignment
* @NL80211_STA_INFO_ACK_SIGNAL: signal strength of the last ACK frame(u8, dBm)
* @__NL80211_STA_INFO_AFTER_LAST: internal
* @NL80211_STA_INFO_MAX: highest possible station info attribute
*/
@ -2985,6 +2987,7 @@ enum nl80211_sta_info {
NL80211_STA_INFO_TID_STATS,
NL80211_STA_INFO_RX_DURATION,
NL80211_STA_INFO_PAD,
NL80211_STA_INFO_ACK_SIGNAL,
/* keep last */
__NL80211_STA_INFO_AFTER_LAST,

2
net/mac80211/status.c
View File

@ -486,7 +486,7 @@ static void ieee80211_report_ack_skb(struct ieee80211_local *local,
if (ieee80211_is_nullfunc(hdr->frame_control) ||
ieee80211_is_qos_nullfunc(hdr->frame_control))
cfg80211_probe_status(sdata->dev, hdr->addr1,
cookie, acked,
cookie, acked, 0, false,
GFP_ATOMIC);
else
cfg80211_mgmt_tx_status(&sdata->wdev, cookie,

8
net/wireless/nl80211.c
View File

@ -4486,6 +4486,7 @@ static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc);
PUT_SINFO_U64(BEACON_RX, rx_beacon);
PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8);
PUT_SINFO(ACK_SIGNAL, ack_signal, u8);
#undef PUT_SINFO
#undef PUT_SINFO_U64
@ -14984,7 +14985,8 @@ nla_put_failure:
EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify);
void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
u64 cookie, bool acked, gfp_t gfp)
u64 cookie, bool acked, s32 ack_signal,
bool is_valid_ack_signal, gfp_t gfp)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
@ -15009,7 +15011,9 @@ void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie,
NL80211_ATTR_PAD) ||
(acked && nla_put_flag(msg, NL80211_ATTR_ACK)))
(acked && nla_put_flag(msg, NL80211_ATTR_ACK)) ||
(is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL,
ack_signal)))
goto nla_put_failure;
genlmsg_end(msg, hdr);