Query the driver for probe response offloading support
in order to notify the userspace on the protocols supported
by the driver for offloading.
Signed-off-by: Guy Eilam <guy@xxxxxxxxxx>
---
include/net/mac80211.h | 3 +++
net/mac80211/cfg.c | 9 +++++++++
net/mac80211/driver-ops.h | 11 +++++++++++
3 files changed, 23 insertions(+), 0 deletions(-)
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index cd108df..1c58fd7 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -2080,6 +2080,7 @@ enum ieee80211_frame_release_type {
* The @tids parameter is a bitmap and tells the driver which TIDs the
* frames will be on; it will at most have two bits set.
* This callback must be atomic.
+ * @get_probe_resp_offload: Get probe response offload support from driver.
*/
struct ieee80211_ops {
void (*tx)(struct ieee80211_hw *hw, struct sk_buff *skb);
@@ -2206,6 +2207,8 @@ struct ieee80211_ops {
u16 tids, int num_frames,
enum ieee80211_frame_release_type reason,
bool more_data);
+ int (*get_probe_resp_offload) (struct ieee80211_hw *hw,
+ u32 *supp_protocols);
};
/**
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 1309bb9..3cdb4a9 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2470,6 +2470,14 @@ static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
return 0;
}
+static int ieee80211_get_probe_resp_offload(struct wiphy *wiphy,
+ u32 *supp_protocols)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+
+ return drv_get_probe_resp_offload(local, supp_protocols);
+}
+
struct cfg80211_ops mac80211_config_ops = {
.add_virtual_intf = ieee80211_add_iface,
.del_virtual_intf = ieee80211_del_iface,
@@ -2535,4 +2543,5 @@ struct cfg80211_ops mac80211_config_ops = {
.set_rekey_data = ieee80211_set_rekey_data,
.tdls_oper = ieee80211_tdls_oper,
.tdls_mgmt = ieee80211_tdls_mgmt,
+ .get_probe_resp_offload = ieee80211_get_probe_resp_offload,
};
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 5f165d7..cd8da74 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -701,4 +701,15 @@ drv_allow_buffered_frames(struct ieee80211_local *local,
more_data);
trace_drv_return_void(local);
}
+static inline int drv_get_probe_resp_offload(struct ieee80211_local *local,
+ u32 *supp_protocols)
+{
+ int ret = -EOPNOTSUPP;
+ might_sleep();
+ if (local->ops->get_probe_resp_offload)
+ ret = local->ops->get_probe_resp_offload(&local->hw,
+ supp_protocols);
+ return ret;
+}
+
#endif /* __MAC80211_DRIVER_OPS */
--
1.7.4.1
--
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