summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/mwifiex/scan.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/mwifiex/scan.c')
-rw-r--r--drivers/net/wireless/mwifiex/scan.c80
1 files changed, 32 insertions, 48 deletions
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index aff9cd763f2b..74f045715723 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -1048,10 +1048,8 @@ mwifiex_ret_802_11_scan_get_tlv_ptrs(struct mwifiex_adapter *adapter,
* This function parses provided beacon buffer and updates
* respective fields in bss descriptor structure.
*/
-int
-mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
- struct mwifiex_bssdescriptor *bss_entry,
- u8 *ie_buf, u32 ie_len)
+int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
+ struct mwifiex_bssdescriptor *bss_entry)
{
int ret = 0;
u8 element_id;
@@ -1073,10 +1071,8 @@ mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
found_data_rate_ie = false;
rate_size = 0;
- current_ptr = ie_buf;
- bytes_left = ie_len;
- bss_entry->beacon_buf = ie_buf;
- bss_entry->beacon_buf_size = ie_len;
+ current_ptr = bss_entry->beacon_buf;
+ bytes_left = bss_entry->beacon_buf_size;
/* Process variable IE */
while (bytes_left >= 2) {
@@ -1221,9 +1217,9 @@ mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
sizeof(struct ieee_types_header) -
bss_entry->beacon_buf);
break;
- case WLAN_EID_HT_INFORMATION:
- bss_entry->bcn_ht_info = (struct ieee80211_ht_info *)
- (current_ptr +
+ case WLAN_EID_HT_OPERATION:
+ bss_entry->bcn_ht_oper =
+ (struct ieee80211_ht_operation *)(current_ptr +
sizeof(struct ieee_types_header));
bss_entry->ht_info_offset = (u16) (current_ptr +
sizeof(struct ieee_types_header) -
@@ -1447,15 +1443,12 @@ int mwifiex_check_network_compatibility(struct mwifiex_private *priv,
return ret;
}
-static int
-mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid,
- s32 rssi, const u8 *ie_buf, size_t ie_len,
- u16 beacon_period, u16 cap_info_bitmap, u8 band)
+static int mwifiex_update_curr_bss_params(struct mwifiex_private *priv,
+ struct cfg80211_bss *bss)
{
struct mwifiex_bssdescriptor *bss_desc;
int ret;
unsigned long flags;
- u8 *beacon_ie;
/* Allocate and fill new bss descriptor */
bss_desc = kzalloc(sizeof(struct mwifiex_bssdescriptor),
@@ -1465,16 +1458,7 @@ mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid,
return -ENOMEM;
}
- beacon_ie = kmemdup(ie_buf, ie_len, GFP_KERNEL);
- if (!beacon_ie) {
- kfree(bss_desc);
- dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n");
- return -ENOMEM;
- }
-
- ret = mwifiex_fill_new_bss_desc(priv, bssid, rssi, beacon_ie,
- ie_len, beacon_period,
- cap_info_bitmap, band, bss_desc);
+ ret = mwifiex_fill_new_bss_desc(priv, bss, bss_desc);
if (ret)
goto done;
@@ -1493,7 +1477,7 @@ mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid,
priv->curr_bss_params.bss_descriptor.bcn_ht_cap = NULL;
priv->curr_bss_params.bss_descriptor.ht_cap_offset =
0;
- priv->curr_bss_params.bss_descriptor.bcn_ht_info = NULL;
+ priv->curr_bss_params.bss_descriptor.bcn_ht_oper = NULL;
priv->curr_bss_params.bss_descriptor.ht_info_offset =
0;
priv->curr_bss_params.bss_descriptor.bcn_bss_co_2040 =
@@ -1514,7 +1498,6 @@ mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid,
done:
kfree(bss_desc);
- kfree(beacon_ie);
return 0;
}
@@ -1620,14 +1603,16 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
const u8 *ie_buf;
size_t ie_len;
u16 channel = 0;
- u64 network_tsf = 0;
+ u64 fw_tsf = 0;
u16 beacon_size = 0;
u32 curr_bcn_bytes;
u32 freq;
u16 beacon_period;
u16 cap_info_bitmap;
u8 *current_ptr;
+ u64 timestamp;
struct mwifiex_bcn_param *bcn_param;
+ struct mwifiex_bss_priv *bss_priv;
if (bytes_left >= sizeof(beacon_size)) {
/* Extract & convert beacon size from command buffer */
@@ -1667,9 +1652,11 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
memcpy(bssid, bcn_param->bssid, ETH_ALEN);
- rssi = (s32) (bcn_param->rssi);
- dev_dbg(adapter->dev, "info: InterpretIE: RSSI=%02X\n", rssi);
+ rssi = (s32) bcn_param->rssi;
+ rssi = (-rssi) * 100; /* Convert dBm to mBm */
+ dev_dbg(adapter->dev, "info: InterpretIE: RSSI=%d\n", rssi);
+ timestamp = le64_to_cpu(bcn_param->timestamp);
beacon_period = le16_to_cpu(bcn_param->beacon_period);
cap_info_bitmap = le16_to_cpu(bcn_param->cap_info_bitmap);
@@ -1709,14 +1696,13 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
/*
* If the TSF TLV was appended to the scan results, save this
- * entry's TSF value in the networkTSF field.The networkTSF is
- * the firmware's TSF value at the time the beacon or probe
- * response was received.
+ * entry's TSF value in the fw_tsf field. It is the firmware's
+ * TSF value at the time the beacon or probe response was
+ * received.
*/
if (tsf_tlv)
- memcpy(&network_tsf,
- &tsf_tlv->tsf_data[idx * TSF_DATA_SIZE],
- sizeof(network_tsf));
+ memcpy(&fw_tsf, &tsf_tlv->tsf_data[idx * TSF_DATA_SIZE],
+ sizeof(fw_tsf));
if (channel) {
struct ieee80211_channel *chan;
@@ -1739,21 +1725,19 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
bss = cfg80211_inform_bss(priv->wdev->wiphy,
- chan, bssid, network_tsf,
+ chan, bssid, timestamp,
cap_info_bitmap, beacon_period,
ie_buf, ie_len, rssi, GFP_KERNEL);
- *(u8 *)bss->priv = band;
- cfg80211_put_bss(bss);
-
+ bss_priv = (struct mwifiex_bss_priv *)bss->priv;
+ bss_priv->band = band;
+ bss_priv->fw_tsf = fw_tsf;
if (priv->media_connected &&
!memcmp(bssid,
priv->curr_bss_params.bss_descriptor
.mac_address, ETH_ALEN))
- mwifiex_update_curr_bss_params
- (priv, bssid, rssi,
- ie_buf, ie_len,
- beacon_period,
- cap_info_bitmap, band);
+ mwifiex_update_curr_bss_params(priv,
+ bss);
+ cfg80211_put_bss(bss);
}
} else {
dev_dbg(adapter->dev, "missing BSS channel IE\n");
@@ -2019,8 +2003,8 @@ mwifiex_save_curr_bcn(struct mwifiex_private *priv)
(curr_bss->beacon_buf +
curr_bss->ht_cap_offset);
- if (curr_bss->bcn_ht_info)
- curr_bss->bcn_ht_info = (struct ieee80211_ht_info *)
+ if (curr_bss->bcn_ht_oper)
+ curr_bss->bcn_ht_oper = (struct ieee80211_ht_operation *)
(curr_bss->beacon_buf +
curr_bss->ht_info_offset);
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-26 11:44:23 +0300