nl80211: advertise socket TX status capability
The new wifi socket TX capability should be
supported by wifi drivers, let them advertise
whether they do or not.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 165e16f..3152ddf 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -695,6 +695,8 @@
#define NL80211_CMD_DISASSOCIATE NL80211_CMD_DISASSOCIATE
#define NL80211_CMD_REG_BEACON_HINT NL80211_CMD_REG_BEACON_HINT
+#define NL80211_ATTR_FEATURE_FLAGS NL80211_ATTR_FEATURE_FLAGS
+
/* source-level API compatibility */
#define NL80211_CMD_GET_MESH_PARAMS NL80211_CMD_GET_MESH_CONFIG
#define NL80211_CMD_SET_MESH_PARAMS NL80211_CMD_SET_MESH_CONFIG
@@ -1156,6 +1158,9 @@
* it will also not give a status callback nor return a cookie. This is
* mostly useful for probe responses to save airtime.
*
+ * @NL80211_ATTR_FEATURE_FLAGS: This u32 attribute contains flags from
+ * &enum nl80211_feature_flags and is advertised in wiphy information.
+ *
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@@ -1388,6 +1393,8 @@
NL80211_ATTR_DONT_WAIT_FOR_ACK,
+ NL80211_ATTR_FEATURE_FLAGS,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
@@ -1422,6 +1429,7 @@
#define NL80211_ATTR_AKM_SUITES NL80211_ATTR_AKM_SUITES
#define NL80211_ATTR_KEY NL80211_ATTR_KEY
#define NL80211_ATTR_KEYS NL80211_ATTR_KEYS
+#define NL80211_ATTR_FEATURE_FLAGS NL80211_ATTR_FEATURE_FLAGS
#define NL80211_MAX_SUPP_RATES 32
#define NL80211_MAX_SUPP_REG_RULES 32
@@ -2709,4 +2717,14 @@
};
*/
+/**
+ * enum nl80211_feature_flags - device/driver features
+ * @NL80211_FEATURE_SK_TX_STATUS: This driver supports reflecting back
+ * TX status to the socket error queue when requested with the
+ * socket option.
+ */
+enum nl80211_feature_flags {
+ NL80211_FEATURE_SK_TX_STATUS = 1 << 0,
+};
+
#endif /* __LINUX_NL80211_H */
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 00287bd..e1ee1416 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1881,6 +1881,7 @@
* @software_iftypes: bitmask of software interface types, these are not
* subject to any restrictions since they are purely managed in SW.
* @flags: wiphy flags, see &enum wiphy_flags
+ * @features: features advertised to nl80211, see &enum nl80211_feature_flags.
* @bss_priv_size: each BSS struct has private data allocated with it,
* this variable determines its size
* @max_scan_ssids: maximum number of SSIDs the device can scan for in
@@ -1942,7 +1943,7 @@
/* Supported interface modes, OR together BIT(NL80211_IFTYPE_...) */
u16 interface_modes;
- u32 flags;
+ u32 flags, features;
u32 ap_sme_capa;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 0ef0941..864fcb6 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1017,6 +1017,8 @@
NLA_PUT_U32(msg, NL80211_ATTR_DEVICE_AP_SME,
dev->wiphy.ap_sme_capa);
+ NLA_PUT_U32(msg, NL80211_ATTR_FEATURE_FLAGS, dev->wiphy.features);
+
return genlmsg_end(msg, hdr);
nla_put_failure: