[PATCH 5/6] mwifiex: add RSSI support for net-detect
From: Amitkumar Karwar <hidden>
Date: 2016-01-07 09:34:34
Subsystem:
marvell mwifiex wireless driver, the rest · Maintainers:
Brian Norris, Linus Torvalds
From: Ganapathi Bhat <redacted> 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 <redacted> Signed-off-by: Amitkumar Karwar <redacted> --- 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 0a85b05..6fdb40f 100644
--- a/drivers/net/wireless/marvell/mwifiex/scan.c
+++ b/drivers/net/wireless/marvell/mwifiex/scan.c@@ -2258,6 +2258,7 @@ 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;
@@ -2308,6 +2309,20 @@ 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