From: Ganapathi Bhat <gbhat@xxxxxxxxxxx>
This patch adds support for waking up the device on
finding better RSSI. Threshold RSSI value will be
configured by application.
Signed-off-by: Ganapathi Bhat <gbhat@xxxxxxxxxxx>
Signed-off-by: Amitkumar Karwar <akarwar@xxxxxxxxxxx>
---
drivers/net/wireless/marvell/mwifiex/cfg80211.c | 4 ++++
drivers/net/wireless/marvell/mwifiex/fw.h | 5 +++++
drivers/net/wireless/marvell/mwifiex/scan.c | 15 +++++++++++++++
3 files changed, 24 insertions(+)
diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
index c80d9e2..8461553 100644
--- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
@@ -2582,6 +2582,10 @@ mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy,
bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA;
bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET;
bgscan_cfg->enable = true;
+ if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) {
+ bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH;
+ bgscan_cfg->rssi_threshold = request->min_rssi_thold;
+ }
if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG,
HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) {
diff --git a/drivers/net/wireless/marvell/mwifiex/fw.h b/drivers/net/wireless/marvell/mwifiex/fw.h
index d293e48..4af9168 100644
--- a/drivers/net/wireless/marvell/mwifiex/fw.h
+++ b/drivers/net/wireless/marvell/mwifiex/fw.h
@@ -759,6 +759,11 @@ struct mwifiex_ie_types_repeat_count {
__le16 repeat_count;
} __packed;
+struct mwifiex_ie_types_min_rssi_threshold {
+ struct mwifiex_ie_types_header header;
+ __le16 rssi_threshold;
+} __packed;
+
struct mwifiex_ie_types_bgscan_start_later {
struct mwifiex_ie_types_header header;
__le16 start_later;
diff --git a/drivers/net/wireless/marvell/mwifiex/scan.c b/drivers/net/wireless/marvell/mwifiex/scan.c
index 2702bd9..fc8d8ca 100644
--- a/drivers/net/wireless/marvell/mwifiex/scan.c
+++ b/drivers/net/wireless/marvell/mwifiex/scan.c
@@ -2260,6 +2260,7 @@ int mwifiex_cmd_802_11_bg_scan_config(struct mwifiex_private *priv,
int i;
struct mwifiex_ie_types_num_probes *num_probes_tlv;
struct mwifiex_ie_types_repeat_count *repeat_count_tlv;
+ struct mwifiex_ie_types_min_rssi_threshold *rssi_threshold_tlv;
struct mwifiex_ie_types_bgscan_start_later *start_later_tlv;
struct mwifiex_ie_types_wildcard_ssid_params *wildcard_ssid_tlv;
struct mwifiex_ie_types_chan_list_param_set *chan_list_tlv;
@@ -2310,6 +2311,20 @@ int mwifiex_cmd_802_11_bg_scan_config(struct mwifiex_private *priv,
le16_to_cpu(repeat_count_tlv->header.len);
}
+ if (bgscan_cfg_in->rssi_threshold) {
+ rssi_threshold_tlv =
+ (struct mwifiex_ie_types_min_rssi_threshold *)tlv_pos;
+ rssi_threshold_tlv->header.type =
+ cpu_to_le16(TLV_TYPE_RSSI_LOW);
+ rssi_threshold_tlv->header.len =
+ cpu_to_le16(sizeof(rssi_threshold_tlv->rssi_threshold));
+ rssi_threshold_tlv->rssi_threshold =
+ cpu_to_le16(bgscan_cfg_in->rssi_threshold);
+
+ tlv_pos += sizeof(rssi_threshold_tlv->header) +
+ le16_to_cpu(rssi_threshold_tlv->header.len);
+ }
+
for (i = 0; i < bgscan_cfg_in->num_ssids; i++) {
ssid_len = bgscan_cfg_in->ssid_list[i].ssid.ssid_len;
--
1.8.1.4
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