@@ -4001,7 +4001,8 @@ struct cfg80211_ops {
struct net_device *dev,
const u8 *buf, size_t len,
const u8 *dest, const __be16 proto,
- const bool noencrypt);
+ const bool noencrypt,
+ u64 *cookie);
int (*get_ftm_responder_stats)(struct wiphy *wiphy,
struct net_device *dev,
@@ -6868,6 +6869,23 @@ bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_dbm,
void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
const u8 *buf, size_t len, bool ack, gfp_t gfp);
+/**
+ * cfg80211_control_port_tx_status - notification of TX status for control
+ * port frames
+ * @wdev: wireless device receiving the frame
+ * @cookie: Cookie returned by cfg80211_ops::tx_control_port()
+ * @buf: Data frame (header + body)
+ * @len: length of the frame data
+ * @ack: Whether frame was acknowledged
+ * @gfp: context flags
+ *
+ * This function is called whenever a control port frame was requested to be
+ * transmitted with cfg80211_ops::tx_control_port() to report the TX status of
+ * the transmission attempt.
+ */
+void cfg80211_control_port_tx_status(struct wireless_dev *wdev, u64 cookie,
+ const u8 *buf, size_t len, bool ack,
+ gfp_t gfp);
/**
* cfg80211_rx_control_port - notification about a received control port frame
@@ -1125,6 +1125,12 @@
* peer MAC address and %NL80211_ATTR_FRAME is used to specify the frame
* content. The frame is ethernet data.
*
+ * @NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS: Report TX status of a control
+ * port frame transmitted with %NL80211_CMD_CONTROL_PORT_FRAME.
+ * %NL80211_ATTR_COOKIE identifies the TX command and %NL80211_ATTR_FRAME
+ * includes the contents of the frame. %NL80211_ATTR_ACK flag is included
+ * if the recipient acknowledged the frame.
+ *
* @NL80211_CMD_MAX: highest used command number
* @__NL80211_CMD_AFTER_LAST: internal use
*/
@@ -1349,6 +1355,8 @@ enum nl80211_commands {
NL80211_CMD_PROBE_MESH_LINK,
+ NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS,
+
/* add new commands above here */
/* used to define NL80211_CMD_MAX below */
@@ -5533,6 +5541,9 @@ enum nl80211_feature_flags {
* feature, which prevents bufferbloat by using the expected transmission
* time to limit the amount of data buffered in the hardware.
*
+ * @NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_TX_STATUS: The driver
+ * can report tx status for control port over nl80211 tx operations.
+ *
* @NUM_NL80211_EXT_FEATURES: number of extended features.
* @MAX_NL80211_EXT_FEATURES: highest extended feature index.
*/
@@ -5580,6 +5591,7 @@ enum nl80211_ext_feature_index {
NL80211_EXT_FEATURE_SAE_OFFLOAD,
NL80211_EXT_FEATURE_VLAN_OFFLOAD,
NL80211_EXT_FEATURE_AQL,
+ NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_TX_STATUS,
/* add new features before the definition below */
NUM_NL80211_EXT_FEATURES,
@@ -1789,7 +1789,8 @@ void ieee80211_check_fast_xmit_iface(struct ieee80211_sub_if_data *sdata);
void ieee80211_clear_fast_xmit(struct sta_info *sta);
int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
const u8 *buf, size_t len,
- const u8 *dest, __be16 proto, bool unencrypted);
+ const u8 *dest, __be16 proto, bool unencrypted,
+ u64 *cookie);
int ieee80211_probe_mesh_link(struct wiphy *wiphy, struct net_device *dev,
const u8 *buf, size_t len);
@@ -5308,7 +5308,8 @@ void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata,
int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
const u8 *buf, size_t len,
- const u8 *dest, __be16 proto, bool unencrypted)
+ const u8 *dest, __be16 proto, bool unencrypted,
+ u64 *cookie)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
@@ -13673,6 +13673,7 @@ static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
{
+ bool dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = dev->ieee80211_ptr;
@@ -13681,6 +13682,7 @@ static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
u8 *dest;
u16 proto;
bool noencrypt;
+ u64 cookie = 0;
int err;
if (!wiphy_ext_feature_isset(&rdev->wiphy,
@@ -13725,9 +13727,12 @@ static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
noencrypt =
nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
- return rdev_tx_control_port(rdev, dev, buf, len,
- dest, cpu_to_be16(proto), noencrypt);
-
+ err = rdev_tx_control_port(rdev, dev, buf, len,
+ dest, cpu_to_be16(proto), noencrypt,
+ dont_wait_for_ack ? NULL : &cookie);
+ if (!err && !dont_wait_for_ack)
+ nl_set_extack_cookie_u64(info->extack, cookie);
+ return err;
out:
wdev_unlock(wdev);
return err;
@@ -15933,8 +15938,9 @@ int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
return -ENOBUFS;
}
-void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
- const u8 *buf, size_t len, bool ack, gfp_t gfp)
+static void nl80211_frame_tx_status(struct wireless_dev *wdev, u64 cookie,
+ const u8 *buf, size_t len, bool ack,
+ gfp_t gfp, enum nl80211_commands command)
{
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
@@ -15942,13 +15948,16 @@ void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
struct sk_buff *msg;
void *hdr;
- trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
+ if (command == NL80211_CMD_FRAME_TX_STATUS)
+ trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
+ else
+ trace_cfg80211_control_port_tx_status(wdev, cookie, ack);
msg = nlmsg_new(100 + len, gfp);
if (!msg)
return;
- hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
+ hdr = nl80211hdr_put(msg, 0, 0, 0, command);
if (!hdr) {
nlmsg_free(msg);
return;
@@ -15971,9 +15980,25 @@ void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
NL80211_MCGRP_MLME, gfp);
return;
- nla_put_failure:
+nla_put_failure:
nlmsg_free(msg);
}
+
+void cfg80211_control_port_tx_status(struct wireless_dev *wdev, u64 cookie,
+ const u8 *buf, size_t len, bool ack,
+ gfp_t gfp)
+{
+ nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp,
+ NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS);
+}
+EXPORT_SYMBOL(cfg80211_control_port_tx_status);
+
+void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
+ const u8 *buf, size_t len, bool ack, gfp_t gfp)
+{
+ nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp,
+ NL80211_CMD_FRAME_TX_STATUS);
+}
EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
static int __nl80211_rx_control_port(struct net_device *dev,
@@ -735,14 +735,17 @@ static inline int rdev_tx_control_port(struct cfg80211_registered_device *rdev,
struct net_device *dev,
const void *buf, size_t len,
const u8 *dest, __be16 proto,
- const bool noencrypt)
+ const bool noencrypt, u64 *cookie)
{
int ret;
trace_rdev_tx_control_port(&rdev->wiphy, dev, buf, len,
dest, proto, noencrypt);
ret = rdev->ops->tx_control_port(&rdev->wiphy, dev, buf, len,
- dest, proto, noencrypt);
- trace_rdev_return_int(&rdev->wiphy, ret);
+ dest, proto, noencrypt, cookie);
+ if (cookie)
+ trace_rdev_return_int_cookie(&rdev->wiphy, ret, *cookie);
+ else
+ trace_rdev_return_int(&rdev->wiphy, ret);
return ret;
}
@@ -2833,6 +2833,23 @@ TRACE_EVENT(cfg80211_mgmt_tx_status,
WDEV_PR_ARG, __entry->cookie, BOOL_TO_STR(__entry->ack))
);
+TRACE_EVENT(cfg80211_control_port_tx_status,
+ TP_PROTO(struct wireless_dev *wdev, u64 cookie, bool ack),
+ TP_ARGS(wdev, cookie, ack),
+ TP_STRUCT__entry(
+ WDEV_ENTRY
+ __field(u64, cookie)
+ __field(bool, ack)
+ ),
+ TP_fast_assign(
+ WDEV_ASSIGN;
+ __entry->cookie = cookie;
+ __entry->ack = ack;
+ ),
+ TP_printk(WDEV_PR_FMT", cookie: %llu, ack: %s",
+ WDEV_PR_ARG, __entry->cookie, BOOL_TO_STR(__entry->ack))
+);
+
TRACE_EVENT(cfg80211_rx_control_port,
TP_PROTO(struct net_device *netdev, struct sk_buff *skb,
bool unencrypted),