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cfg80211: add flags to cfg80211_rx_mgmt()

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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>
This commit is contained in:
Vladimir Kondratiev 2013-08-15 14:51:28 +03:00 committed by Johannes Berg
parent c4c205f3cd
commit 19504cf5f3
10 changed files with 34 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/net/wireless/ath/ath6kl/wmi.c
View File

@ -568,8 +568,8 @@ static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,
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 @@ static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,
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;
}

2
drivers/net/wireless/ath/wil6210/wmi.c
View File

@ -339,7 +339,7 @@ static void wmi_evt_rx_mgmt(struct wil6210_priv *wil, int id, void *d, int len)
}
} 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);
}
}

4
drivers/net/wireless/brcm80211/brcmfmac/p2p.c
View File

@ -1430,7 +1430,7 @@ int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp,
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 @@ s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp,
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",

4
drivers/net/wireless/mwifiex/util.c
View File

@ -171,8 +171,8 @@ mwifiex_process_mgmt_packet(struct mwifiex_private *priv,
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;
}

3
include/net/cfg80211.h
View File

@ -4056,6 +4056,7 @@ void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
* @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 @@ void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
* 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

16
include/uapi/linux/nl80211.h
View File

@ -1493,6 +1493,9 @@ enum nl80211_commands {
* @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 @@ enum nl80211_attrs {
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 @@ enum nl80211_crit_proto_id {
/* 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 */

3
net/mac80211/rx.c
View File

@ -2678,8 +2678,7 @@ ieee80211_rx_h_userspace_mgmt(struct ieee80211_rx_data *rx)
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);

4
net/wireless/mlme.c
View File

@ -621,7 +621,7 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
}
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 @@ bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_mbm,
/* 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;

6
net/wireless/nl80211.c
View File

@ -10446,7 +10446,7 @@ EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
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 @@ int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
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);

2
net/wireless/nl80211.h
View File

@ -66,7 +66,7 @@ void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
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,