diff mbox series

[2/3] qtnfmac: allow to control DFS slave radar detection

Message ID 20190409073500.16402-3-sergey.matyukevich.os@quantenna.com (mailing list archive)
State Accepted
Commit 888f1564a27206c5e6473bce31b1cd7118a6ed41
Delegated to: Kalle Valo
Headers show
Series qtnfmac: debugfs update and other misc fixes | expand

Commit Message

Sergey Matyukevich April 9, 2019, 7:35 a.m. UTC 
From: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com>

In ETSI region DFS slave device can operate in two modes on DFS channels:
 - do on-channel radar detection and use higher Tx power
 - don't do radar detection and use lower Tx power as a consequence

Allow user to control that behavior through qtnfmac module parameter.

Signed-off-by: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com>
---
 drivers/net/wireless/quantenna/qtnfmac/cfg80211.c | 2 +-
 drivers/net/wireless/quantenna/qtnfmac/commands.c | 4 +++-
 drivers/net/wireless/quantenna/qtnfmac/commands.h | 3 ++-
 drivers/net/wireless/quantenna/qtnfmac/core.c     | 9 +++++++++
 drivers/net/wireless/quantenna/qtnfmac/core.h     | 1 +
 drivers/net/wireless/quantenna/qtnfmac/qlink.h    | 4 +++-
 6 files changed, 19 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
index c78500bcaa2d..d90016125dfc 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
@@ -1008,7 +1008,7 @@  static void qtnf_cfg80211_reg_notifier(struct wiphy *wiphy,
 	pr_debug("MAC%u: initiator=%d alpha=%c%c\n", mac->macid, req->initiator,
 		 req->alpha2[0], req->alpha2[1]);
 
-	ret = qtnf_cmd_reg_notify(mac, req);
+	ret = qtnf_cmd_reg_notify(mac, req, qtnf_mac_slave_radar_get(wiphy));
 	if (ret) {
 		pr_err("MAC%u: failed to update region to %c%c: %d\n",
 		       mac->macid, req->alpha2[0], req->alpha2[1], ret);
diff --git a/drivers/net/wireless/quantenna/qtnfmac/commands.c b/drivers/net/wireless/quantenna/qtnfmac/commands.c
index 22313a46c3ae..459f6b81d2eb 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/commands.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/commands.c
@@ -2367,7 +2367,8 @@  int qtnf_cmd_send_updown_intf(struct qtnf_vif *vif, bool up)
 	return ret;
 }
 
-int qtnf_cmd_reg_notify(struct qtnf_wmac *mac, struct regulatory_request *req)
+int qtnf_cmd_reg_notify(struct qtnf_wmac *mac, struct regulatory_request *req,
+			bool slave_radar)
 {
 	struct wiphy *wiphy = priv_to_wiphy(mac);
 	struct qtnf_bus *bus = mac->bus;
@@ -2429,6 +2430,7 @@  int qtnf_cmd_reg_notify(struct qtnf_wmac *mac, struct regulatory_request *req)
 		break;
 	}
 
+	cmd->slave_radar = slave_radar;
 	cmd->num_channels = 0;
 
 	for (band = 0; band < NUM_NL80211_BANDS; band++) {
diff --git a/drivers/net/wireless/quantenna/qtnfmac/commands.h b/drivers/net/wireless/quantenna/qtnfmac/commands.h
index 6406365287fc..88d7a3cd90d2 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/commands.h
+++ b/drivers/net/wireless/quantenna/qtnfmac/commands.h
@@ -57,7 +57,8 @@  int qtnf_cmd_send_disconnect(struct qtnf_vif *vif,
 			     u16 reason_code);
 int qtnf_cmd_send_updown_intf(struct qtnf_vif *vif,
 			      bool up);
-int qtnf_cmd_reg_notify(struct qtnf_wmac *mac, struct regulatory_request *req);
+int qtnf_cmd_reg_notify(struct qtnf_wmac *mac, struct regulatory_request *req,
+			bool slave_radar);
 int qtnf_cmd_get_chan_stats(struct qtnf_wmac *mac, u16 channel,
 			    struct qtnf_chan_stats *stats);
 int qtnf_cmd_send_chan_switch(struct qtnf_vif *vif,
diff --git a/drivers/net/wireless/quantenna/qtnfmac/core.c b/drivers/net/wireless/quantenna/qtnfmac/core.c
index 54ea86ae4959..ad0c9e012056 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/core.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/core.c
@@ -16,6 +16,10 @@ 
 #define QTNF_DMP_MAX_LEN 48
 #define QTNF_PRIMARY_VIF_IDX	0
 
+static bool slave_radar = true;
+module_param(slave_radar, bool, 0644);
+MODULE_PARM_DESC(slave_radar, "set 0 to disable radar detection in slave mode");
+
 struct qtnf_frame_meta_info {
 	u8 magic_s;
 	u8 ifidx;
@@ -426,6 +430,11 @@  static struct qtnf_wmac *qtnf_core_mac_alloc(struct qtnf_bus *bus,
 	return mac;
 }
 
+bool qtnf_mac_slave_radar_get(struct wiphy *wiphy)
+{
+	return slave_radar;
+}
+
 static const struct ethtool_ops qtnf_ethtool_ops = {
 	.get_drvinfo = cfg80211_get_drvinfo,
 };
diff --git a/drivers/net/wireless/quantenna/qtnfmac/core.h b/drivers/net/wireless/quantenna/qtnfmac/core.h
index af8372dfb927..d5caff45ac47 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/core.h
+++ b/drivers/net/wireless/quantenna/qtnfmac/core.h
@@ -134,6 +134,7 @@  struct qtnf_vif *qtnf_mac_get_free_vif(struct qtnf_wmac *mac);
 struct qtnf_vif *qtnf_mac_get_base_vif(struct qtnf_wmac *mac);
 void qtnf_mac_iface_comb_free(struct qtnf_wmac *mac);
 void qtnf_mac_ext_caps_free(struct qtnf_wmac *mac);
+bool qtnf_mac_slave_radar_get(struct wiphy *wiphy);
 struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus);
 int qtnf_core_net_attach(struct qtnf_wmac *mac, struct qtnf_vif *priv,
 			 const char *name, unsigned char name_assign_type);
diff --git a/drivers/net/wireless/quantenna/qtnfmac/qlink.h b/drivers/net/wireless/quantenna/qtnfmac/qlink.h
index 158c9eba20ef..8a3c6344fa8e 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/qlink.h
+++ b/drivers/net/wireless/quantenna/qtnfmac/qlink.h
@@ -588,6 +588,7 @@  enum qlink_user_reg_hint_type {
  *	of &enum qlink_user_reg_hint_type.
  * @num_channels: number of &struct qlink_tlv_channel in a variable portion of a
  *	payload.
+ * @slave_radar: whether slave device should enable radar detection.
  * @dfs_region: one of &enum qlink_dfs_regions.
  * @info: variable portion of regulatory notifier callback.
  */
@@ -598,7 +599,8 @@  struct qlink_cmd_reg_notify {
 	u8 user_reg_hint_type;
 	u8 num_channels;
 	u8 dfs_region;
-	u8 rsvd[2];
+	u8 slave_radar;
+	u8 rsvd[1];
 	u8 info[0];
 } __packed;