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-rw-r--r--drivers/net/wireless/mwifiex/cfg80211.c5
-rw-r--r--drivers/net/wireless/mwifiex/cmdevt.c3
-rw-r--r--drivers/net/wireless/mwifiex/fw.h10
-rw-r--r--drivers/net/wireless/mwifiex/init.c1
-rw-r--r--drivers/net/wireless/mwifiex/main.h23
-rw-r--r--drivers/net/wireless/mwifiex/scan.c17
6 files changed, 58 insertions, 1 deletions
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 740f7d08a131..2066abbccee6 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -1991,6 +1991,11 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy,
user_scan_cfg->chan_list[i].scan_time = 0;
}
+ if (priv->adapter->scan_chan_gap_enabled &&
+ mwifiex_is_any_intf_active(priv))
+ user_scan_cfg->scan_chan_gap =
+ priv->adapter->scan_chan_gap_time;
+
ret = mwifiex_scan_networks(priv, user_scan_cfg);
kfree(user_scan_cfg);
if (ret) {
diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c
index fcc70aea2b8e..85597200badc 100644
--- a/drivers/net/wireless/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/mwifiex/cmdevt.c
@@ -1613,5 +1613,8 @@ int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv,
adapter->if_ops.update_mp_end_port(adapter,
le16_to_cpu(hw_spec->mp_end_port));
+ if (adapter->fw_api_ver == MWIFIEX_FW_V15)
+ adapter->scan_chan_gap_enabled = true;
+
return 0;
}
diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index 6a703ea18800..1eb61739071f 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -170,7 +170,8 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
#define TLV_TYPE_COALESCE_RULE (PROPRIETARY_TLV_BASE_ID + 154)
#define TLV_TYPE_KEY_PARAM_V2 (PROPRIETARY_TLV_BASE_ID + 156)
#define TLV_TYPE_TDLS_IDLE_TIMEOUT (PROPRIETARY_TLV_BASE_ID + 194)
-#define TLV_TYPE_API_REV (PROPRIETARY_TLV_BASE_ID + 199)
+#define TLV_TYPE_SCAN_CHANNEL_GAP (PROPRIETARY_TLV_BASE_ID + 197)
+#define TLV_TYPE_API_REV (PROPRIETARY_TLV_BASE_ID + 199)
#define MWIFIEX_TX_DATA_BUF_SIZE_2K 2048
@@ -653,6 +654,12 @@ struct mwifiex_ie_types_num_probes {
__le16 num_probes;
} __packed;
+struct mwifiex_ie_types_scan_chan_gap {
+ struct mwifiex_ie_types_header header;
+ /* time gap in TUs to be used between two consecutive channels scan */
+ __le16 chan_gap;
+} __packed;
+
struct mwifiex_ie_types_wildcard_ssid_params {
struct mwifiex_ie_types_header header;
u8 max_ssid_length;
@@ -1249,6 +1256,7 @@ struct mwifiex_user_scan_cfg {
u8 num_ssids;
/* Variable number (fixed maximum) of channels to scan up */
struct mwifiex_user_scan_chan chan_list[MWIFIEX_USER_SCAN_CHAN_MAX];
+ u16 scan_chan_gap;
} __packed;
struct ie_body {
diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c
index 80bda8087508..d99c6f64f854 100644
--- a/drivers/net/wireless/mwifiex/init.c
+++ b/drivers/net/wireless/mwifiex/init.c
@@ -212,6 +212,7 @@ static void mwifiex_init_adapter(struct mwifiex_adapter *adapter)
adapter->specific_scan_time = MWIFIEX_SPECIFIC_SCAN_CHAN_TIME;
adapter->active_scan_time = MWIFIEX_ACTIVE_SCAN_CHAN_TIME;
adapter->passive_scan_time = MWIFIEX_PASSIVE_SCAN_CHAN_TIME;
+ adapter->scan_chan_gap_time = MWIFIEX_DEF_SCAN_CHAN_GAP_TIME;
adapter->scan_probes = 1;
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index 54399631599a..c3d097ce2c16 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -84,6 +84,7 @@ enum {
#define MWIFIEX_PASSIVE_SCAN_CHAN_TIME 110
#define MWIFIEX_ACTIVE_SCAN_CHAN_TIME 30
#define MWIFIEX_SPECIFIC_SCAN_CHAN_TIME 30
+#define MWIFIEX_DEF_SCAN_CHAN_GAP_TIME 50
#define SCAN_RSSI(RSSI) (0x100 - ((u8)(RSSI)))
@@ -770,6 +771,7 @@ struct mwifiex_adapter {
u16 specific_scan_time;
u16 active_scan_time;
u16 passive_scan_time;
+ u16 scan_chan_gap_time;
u8 fw_bands;
u8 adhoc_start_band;
u8 config_bands;
@@ -839,6 +841,7 @@ struct mwifiex_adapter {
struct memory_type_mapping *mem_type_mapping_tbl;
u8 num_mem_types;
u8 curr_mem_idx;
+ bool scan_chan_gap_enabled;
};
int mwifiex_init_lock_list(struct mwifiex_adapter *adapter);
@@ -1139,6 +1142,25 @@ mwifiex_11h_get_csa_closed_channel(struct mwifiex_private *priv)
return priv->csa_chan;
}
+static inline u8 mwifiex_is_any_intf_active(struct mwifiex_private *priv)
+{
+ struct mwifiex_private *priv_num;
+ int i;
+
+ for (i = 0; i < priv->adapter->priv_num; i++) {
+ priv_num = priv->adapter->priv[i];
+ if (priv_num) {
+ if ((GET_BSS_ROLE(priv_num) == MWIFIEX_BSS_ROLE_UAP &&
+ priv_num->bss_started) ||
+ (GET_BSS_ROLE(priv_num) == MWIFIEX_BSS_ROLE_STA &&
+ priv_num->media_connected))
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
int mwifiex_init_shutdown_fw(struct mwifiex_private *priv,
u32 func_init_shutdown);
int mwifiex_add_card(void *, struct semaphore *, struct mwifiex_if_ops *, u8);
@@ -1274,6 +1296,7 @@ void mwifiex_disable_all_tdls_links(struct mwifiex_private *priv);
bool mwifiex_is_bss_in_11ac_mode(struct mwifiex_private *priv);
u8 mwifiex_get_center_freq_index(struct mwifiex_private *priv, u8 band,
u32 pri_chan, u8 chan_bw);
+int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter);
#ifdef CONFIG_DEBUG_FS
void mwifiex_debugfs_init(void);
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index 0c9ed2c730d7..2f86bb63f3c0 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -799,6 +799,7 @@ mwifiex_config_scan(struct mwifiex_private *priv,
{
struct mwifiex_adapter *adapter = priv->adapter;
struct mwifiex_ie_types_num_probes *num_probes_tlv;
+ struct mwifiex_ie_types_scan_chan_gap *chan_gap_tlv;
struct mwifiex_ie_types_wildcard_ssid_params *wildcard_ssid_tlv;
struct mwifiex_ie_types_bssid_list *bssid_tlv;
u8 *tlv_pos;
@@ -939,6 +940,22 @@ mwifiex_config_scan(struct mwifiex_private *priv,
else
*max_chan_per_scan = MWIFIEX_DEF_CHANNELS_PER_SCAN_CMD;
+ if (user_scan_in->scan_chan_gap) {
+ *max_chan_per_scan = MWIFIEX_MAX_CHANNELS_PER_SPECIFIC_SCAN;
+ dev_dbg(adapter->dev, "info: scan: channel gap = %d\n",
+ user_scan_in->scan_chan_gap);
+
+ chan_gap_tlv = (void *)tlv_pos;
+ chan_gap_tlv->header.type =
+ cpu_to_le16(TLV_TYPE_SCAN_CHANNEL_GAP);
+ chan_gap_tlv->header.len =
+ cpu_to_le16(sizeof(chan_gap_tlv->chan_gap));
+ chan_gap_tlv->chan_gap =
+ cpu_to_le16((user_scan_in->scan_chan_gap));
+
+ tlv_pos += sizeof(struct mwifiex_ie_types_scan_chan_gap);
+ }
+
/* If the input config or adapter has the number of Probes set,
add tlv */
if (num_probes) {