cfg80211: add flags to cfg80211_rx_mgmt()
Add flags intended to report various auxiliary information
and introduce the NL80211_RXMGMT_FLAG_ANSWERED flag to report
that the frame was already answered by the device.
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
[REPLIED->ANSWERED, reword commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/drivers/net/wireless/ath/ath6kl/wmi.c b/drivers/net/wireless/ath/ath6kl/wmi.c
index 87aefb4..546d5da 100644
--- a/drivers/net/wireless/ath/ath6kl/wmi.c
+++ b/drivers/net/wireless/ath/ath6kl/wmi.c
@@ -568,8 +568,8 @@
dlen, freq, vif->probe_req_report);
if (vif->probe_req_report || vif->nw_type == AP_NETWORK)
- cfg80211_rx_mgmt(&vif->wdev, freq, 0,
- ev->data, dlen, GFP_ATOMIC);
+ cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0,
+ GFP_ATOMIC);
return 0;
}
@@ -608,8 +608,7 @@
return -EINVAL;
}
ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);
- cfg80211_rx_mgmt(&vif->wdev, freq, 0,
- ev->data, dlen, GFP_ATOMIC);
+ cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0, GFP_ATOMIC);
return 0;
}
diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c
index dc8059a..21c791e 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.c
+++ b/drivers/net/wireless/ath/wil6210/wmi.c
@@ -339,7 +339,7 @@
}
} else {
cfg80211_rx_mgmt(wil->wdev, freq, signal,
- (void *)rx_mgmt_frame, d_len, GFP_KERNEL);
+ (void *)rx_mgmt_frame, d_len, 0, GFP_KERNEL);
}
}
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/brcm80211/brcmfmac/p2p.c
index 79555f0..d7a9745 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/p2p.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/p2p.c
@@ -1430,7 +1430,7 @@
IEEE80211_BAND_5GHZ);
wdev = &ifp->vif->wdev;
- cfg80211_rx_mgmt(wdev, freq, 0, (u8 *)mgmt_frame, mgmt_frame_len,
+ cfg80211_rx_mgmt(wdev, freq, 0, (u8 *)mgmt_frame, mgmt_frame_len, 0,
GFP_ATOMIC);
kfree(mgmt_frame);
@@ -1895,7 +1895,7 @@
IEEE80211_BAND_2GHZ :
IEEE80211_BAND_5GHZ);
- cfg80211_rx_mgmt(&vif->wdev, freq, 0, mgmt_frame, mgmt_frame_len,
+ cfg80211_rx_mgmt(&vif->wdev, freq, 0, mgmt_frame, mgmt_frame_len, 0,
GFP_ATOMIC);
brcmf_dbg(INFO, "mgmt_frame_len (%d) , e->datalen (%d), chanspec (%04x), freq (%d)\n",
diff --git a/drivers/net/wireless/mwifiex/util.c b/drivers/net/wireless/mwifiex/util.c
index e57ac0d..5d9e150 100644
--- a/drivers/net/wireless/mwifiex/util.c
+++ b/drivers/net/wireless/mwifiex/util.c
@@ -171,8 +171,8 @@
rx_pd->rx_pkt_length = cpu_to_le16(pkt_len);
cfg80211_rx_mgmt(priv->wdev, priv->roc_cfg.chan.center_freq,
- CAL_RSSI(rx_pd->snr, rx_pd->nf),
- skb->data, pkt_len, GFP_ATOMIC);
+ CAL_RSSI(rx_pd->snr, rx_pd->nf), skb->data, pkt_len,
+ 0, GFP_ATOMIC);
return 0;
}
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 9ab7a06..d530c54 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -4056,6 +4056,7 @@
* @sig_dbm: signal strength in mBm, or 0 if unknown
* @buf: Management frame (header + body)
* @len: length of the frame data
+ * @flags: flags, as defined in enum nl80211_rxmgmt_flags
* @gfp: context flags
*
* This function is called whenever an Action frame is received for a station
@@ -4067,7 +4068,7 @@
* driver is responsible for rejecting the frame.
*/
bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_dbm,
- const u8 *buf, size_t len, gfp_t gfp);
+ const u8 *buf, size_t len, u32 flags, gfp_t gfp);
/**
* cfg80211_mgmt_tx_status - notification of TX status for management frame
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 1f42bc3..fde2c02 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -1493,6 +1493,9 @@
* @NL80211_ATTR_CSA_C_OFF_PRESP: Offset of the channel switch counter
* field in the probe response (%NL80211_ATTR_PROBE_RESP).
*
+ * @NL80211_ATTR_RXMGMT_FLAGS: flags for nl80211_send_mgmt(), u32.
+ * As specified in the &enum nl80211_rxmgmt_flags.
+ *
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@@ -1801,6 +1804,8 @@
NL80211_ATTR_CSA_C_OFF_BEACON,
NL80211_ATTR_CSA_C_OFF_PRESP,
+ NL80211_ATTR_RXMGMT_FLAGS,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
@@ -3901,4 +3906,15 @@
/* maximum duration for critical protocol measures */
#define NL80211_CRIT_PROTO_MAX_DURATION 5000 /* msec */
+/**
+ * enum nl80211_rxmgmt_flags - flags for received management frame.
+ *
+ * Used by cfg80211_rx_mgmt()
+ *
+ * @NL80211_RXMGMT_FLAG_ANSWERED: frame was answered by device/driver.
+ */
+enum nl80211_rxmgmt_flags {
+ NL80211_RXMGMT_FLAG_ANSWERED = 1 << 0,
+};
+
#endif /* __LINUX_NL80211_H */
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index ffad155..0790105 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2678,8 +2678,7 @@
sig = status->signal;
if (cfg80211_rx_mgmt(&rx->sdata->wdev, status->freq, sig,
- rx->skb->data, rx->skb->len,
- GFP_ATOMIC)) {
+ rx->skb->data, rx->skb->len, 0, GFP_ATOMIC)) {
if (rx->sta)
rx->sta->rx_packets++;
dev_kfree_skb(rx->skb);
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index bfac5e1..8d49c1c 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -621,7 +621,7 @@
}
bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_mbm,
- const u8 *buf, size_t len, gfp_t gfp)
+ const u8 *buf, size_t len, u32 flags, gfp_t gfp)
{
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
@@ -664,7 +664,7 @@
/* Indicate the received Action frame to user space */
if (nl80211_send_mgmt(rdev, wdev, reg->nlportid,
freq, sig_mbm,
- buf, len, gfp))
+ buf, len, flags, gfp))
continue;
result = true;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 334697d..a51269d 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -10446,7 +10446,7 @@
int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev, u32 nlportid,
int freq, int sig_dbm,
- const u8 *buf, size_t len, gfp_t gfp)
+ const u8 *buf, size_t len, u32 flags, gfp_t gfp)
{
struct net_device *netdev = wdev->netdev;
struct sk_buff *msg;
@@ -10469,7 +10469,9 @@
nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
(sig_dbm &&
nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
- nla_put(msg, NL80211_ATTR_FRAME, len, buf))
+ nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
+ (flags &&
+ nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags)))
goto nla_put_failure;
genlmsg_end(msg, hdr);
diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h
index 44341bf..2c0f2b3 100644
--- a/net/wireless/nl80211.h
+++ b/net/wireless/nl80211.h
@@ -66,7 +66,7 @@
int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev, u32 nlpid,
int freq, int sig_dbm,
- const u8 *buf, size_t len, gfp_t gfp);
+ const u8 *buf, size_t len, u32 flags, gfp_t gfp);
void
nl80211_radar_notify(struct cfg80211_registered_device *rdev,
