From 888f1564a27206c5e6473bce31b1cd7118a6ed41 Mon Sep 17 00:00:00 2001 From: Igor Mitsyanko Date: Tue, 9 Apr 2019 07:35:10 +0000 Subject: [PATCH] qtnfmac: allow to control DFS slave radar detection 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 Signed-off-by: Kalle Valo --- 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 --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 @@ out: 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; -- 2.11.0