From: Avinash Patil <[email protected]>
This patch adds configuration timeout for TDLS link. This is
configuered at the time of TDLS link configuration. If TDLS link
is inactive for more than timeout, FW will tear this link.
Signed-off-by: Avinash Patil <[email protected]>
Signed-off-by: Bing Zhao <[email protected]>
---
drivers/net/wireless/mwifiex/fw.h | 8 ++++++++
drivers/net/wireless/mwifiex/sta_cmd.c | 7 +++++++
2 files changed, 15 insertions(+)
diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index b485dc1..28994ab 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -169,6 +169,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
#define TLV_TYPE_GWK_CIPHER (PROPRIETARY_TLV_BASE_ID + 146)
#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_FW_API_REV (PROPRIETARY_TLV_BASE_ID + 199)
#define MWIFIEX_TX_DATA_BUF_SIZE_2K 2048
@@ -708,6 +709,13 @@ struct mwifiex_ie_types_vendor_param_set {
u8 ie[MWIFIEX_MAX_VSIE_LEN];
};
+#define MWIFIEX_TDLS_IDLE_TIMEOUT 60
+
+struct mwifiex_ie_types_tdls_idle_timeout {
+ struct mwifiex_ie_types_header header;
+ __le16 value;
+} __packed;
+
struct mwifiex_ie_types_rsn_param_set {
struct mwifiex_ie_types_header header;
u8 rsn_ie[1];
diff --git a/drivers/net/wireless/mwifiex/sta_cmd.c b/drivers/net/wireless/mwifiex/sta_cmd.c
index e3cac14..88202ce 100644
--- a/drivers/net/wireless/mwifiex/sta_cmd.c
+++ b/drivers/net/wireless/mwifiex/sta_cmd.c
@@ -1546,6 +1546,7 @@ mwifiex_cmd_tdls_oper(struct mwifiex_private *priv,
struct mwifiex_ie_types_extcap *extcap;
struct mwifiex_ie_types_vhtcap *vht_capab;
struct mwifiex_ie_types_aid *aid;
+ struct mwifiex_ie_types_tdls_idle_timeout *timeout;
u8 *pos, qos_info;
u16 config_len = 0;
struct station_parameters *params = priv->sta_params;
@@ -1643,6 +1644,12 @@ mwifiex_cmd_tdls_oper(struct mwifiex_private *priv,
config_len += sizeof(struct mwifiex_ie_types_aid);
}
+ timeout = (void *)(pos + config_len);
+ timeout->header.type = cpu_to_le16(TLV_TYPE_TDLS_IDLE_TIMEOUT);
+ timeout->header.len = cpu_to_le16(sizeof(timeout->value));
+ timeout->value = cpu_to_le16(MWIFIEX_TDLS_IDLE_TIMEOUT);
+ config_len += sizeof(struct mwifiex_ie_types_tdls_idle_timeout);
+
break;
default:
dev_err(priv->adapter->dev, "Unknown TDLS operation\n");
--
1.8.2.3
From: Avinash Patil <[email protected]>
This patch adds code to disable TDLS link upon reception of TDLS
teardown event from peer. Teardown event can happen either
because of TDLS teardown packet from peer or internal timeout
configured during TDLS setup. Event is propogated to cfg80211
so that userspace application can take appropriate action.
Signed-off-by: Avinash Patil <[email protected]>
Signed-off-by: Bing Zhao <[email protected]>
---
drivers/net/wireless/mwifiex/fw.h | 11 +++++++++
drivers/net/wireless/mwifiex/sta_event.c | 40 ++++++++++++++++++++++++++++++++
2 files changed, 51 insertions(+)
diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index 28994ab..f0730bd 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -488,6 +488,7 @@ enum P2P_MODES {
#define EVENT_UAP_MIC_COUNTERMEASURES 0x0000004c
#define EVENT_HOSTWAKE_STAIE 0x0000004d
#define EVENT_CHANNEL_SWITCH_ANN 0x00000050
+#define EVENT_TDLS_GENERIC_EVENT 0x00000052
#define EVENT_EXT_SCAN_REPORT 0x00000058
#define EVENT_REMAIN_ON_CHAN_EXPIRED 0x0000005f
@@ -520,6 +521,7 @@ enum P2P_MODES {
#define ACT_TDLS_DELETE 0x00
#define ACT_TDLS_CREATE 0x01
#define ACT_TDLS_CONFIG 0x02
+#define TDLS_EVENT_LINK_TEAR_DOWN 3
#define MWIFIEX_FW_V15 15
@@ -1753,6 +1755,15 @@ struct host_cmd_ds_802_11_subsc_evt {
__le16 events;
} __packed;
+struct mwifiex_tdls_generic_event {
+ __le16 type;
+ u8 peer_mac[ETH_ALEN];
+ union {
+ __le16 reason_code;
+ __le16 reserved;
+ } u;
+} __packed;
+
struct mwifiex_ie {
__le16 ie_index;
__le16 mgmt_subtype_mask;
diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c
index 368450c..5aea719 100644
--- a/drivers/net/wireless/mwifiex/sta_event.c
+++ b/drivers/net/wireless/mwifiex/sta_event.c
@@ -134,6 +134,42 @@ mwifiex_reset_connect_state(struct mwifiex_private *priv, u16 reason_code)
netif_carrier_off(priv->netdev);
}
+static int mwifiex_parse_tdls_event(struct mwifiex_private *priv,
+ struct sk_buff *event_skb)
+{
+ struct mwifiex_adapter *adapter = priv->adapter;
+ struct mwifiex_sta_node *sta_ptr;
+ struct mwifiex_tdls_generic_event *tdls_evt =
+ (void *)event_skb->data + sizeof(adapter->event_cause);
+
+ /* reserved 2 bytes are not mandatory in tdls event */
+ if (event_skb->len < (sizeof(struct mwifiex_tdls_generic_event) -
+ sizeof(u16) - sizeof(adapter->event_cause))) {
+ dev_err(adapter->dev, "Invalid event length!\n");
+ return -1;
+ }
+
+ sta_ptr = mwifiex_get_sta_entry(priv, tdls_evt->peer_mac);
+ if (!sta_ptr) {
+ dev_err(adapter->dev, "cannot get sta entry!\n");
+ return -1;
+ }
+
+ switch (le16_to_cpu(tdls_evt->type)) {
+ case TDLS_EVENT_LINK_TEAR_DOWN:
+ cfg80211_tdls_oper_request(priv->netdev,
+ tdls_evt->peer_mac,
+ NL80211_TDLS_TEARDOWN,
+ le16_to_cpu(tdls_evt->u.reason_code),
+ GFP_KERNEL);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
/*
* This function handles events generated by firmware.
*
@@ -459,6 +495,10 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv)
false);
break;
+ case EVENT_TDLS_GENERIC_EVENT:
+ ret = mwifiex_parse_tdls_event(priv, adapter->event_skb);
+ break;
+
default:
dev_dbg(adapter->dev, "event: unknown event id: %#x\n",
eventcause);
--
1.8.2.3
From: Avinash Patil <[email protected]>
This patch adds support to populate HT operatation IE in TDLS
setup confirm command. This is required for setting wider
bandwidths for TDLS operations.
Signed-off-by: Avinash Patil <[email protected]>
Signed-off-by: Bing Zhao <[email protected]>
---
drivers/net/wireless/mwifiex/11n.c | 42 +++++++++++++++++++++++++++++
drivers/net/wireless/mwifiex/11n.h | 1 +
drivers/net/wireless/mwifiex/fw.h | 1 +
drivers/net/wireless/mwifiex/tdls.c | 53 +++++++++++++++++++++++++++++++++++++
4 files changed, 97 insertions(+)
diff --git a/drivers/net/wireless/mwifiex/11n.c b/drivers/net/wireless/mwifiex/11n.c
index 2bd07d6..e1c2f67 100644
--- a/drivers/net/wireless/mwifiex/11n.c
+++ b/drivers/net/wireless/mwifiex/11n.c
@@ -749,3 +749,45 @@ void mwifiex_set_ba_params(struct mwifiex_private *priv)
return;
}
+
+u8 mwifiex_get_sec_chan_offset(int chan)
+{
+ u8 sec_offset;
+
+ switch (chan) {
+ case 36:
+ case 44:
+ case 52:
+ case 60:
+ case 100:
+ case 108:
+ case 116:
+ case 124:
+ case 132:
+ case 140:
+ case 149:
+ case 157:
+ sec_offset = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+ break;
+ case 40:
+ case 48:
+ case 56:
+ case 64:
+ case 104:
+ case 112:
+ case 120:
+ case 128:
+ case 136:
+ case 144:
+ case 153:
+ case 161:
+ sec_offset = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
+ break;
+ case 165:
+ default:
+ sec_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
+ break;
+ }
+
+ return sec_offset;
+}
diff --git a/drivers/net/wireless/mwifiex/11n.h b/drivers/net/wireless/mwifiex/11n.h
index 40b007a..43889d9e 100644
--- a/drivers/net/wireless/mwifiex/11n.h
+++ b/drivers/net/wireless/mwifiex/11n.h
@@ -63,6 +63,7 @@ int mwifiex_cmd_amsdu_aggr_ctrl(struct host_cmd_ds_command *cmd,
int cmd_action,
struct mwifiex_ds_11n_amsdu_aggr_ctrl *aa_ctrl);
void mwifiex_del_tx_ba_stream_tbl_by_ra(struct mwifiex_private *priv, u8 *ra);
+u8 mwifiex_get_sec_chan_offset(int chan);
static inline u8
mwifiex_is_station_ampdu_allowed(struct mwifiex_private *priv,
diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index f0730bd..ee59508 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -230,6 +230,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
#define ISENABLED_40MHZ_INTOLERANT(Dot11nDevCap) (Dot11nDevCap & BIT(8))
#define ISSUPP_RXLDPC(Dot11nDevCap) (Dot11nDevCap & BIT(22))
#define ISSUPP_BEAMFORMING(Dot11nDevCap) (Dot11nDevCap & BIT(30))
+#define ISALLOWED_CHANWIDTH40(ht_param) (ht_param & BIT(2))
/* httxcfg bitmap
* 0 reserved
diff --git a/drivers/net/wireless/mwifiex/tdls.c b/drivers/net/wireless/mwifiex/tdls.c
index 97662a1..6bef47c 100644
--- a/drivers/net/wireless/mwifiex/tdls.c
+++ b/drivers/net/wireless/mwifiex/tdls.c
@@ -185,6 +185,48 @@ static int mwifiex_tdls_add_vht_capab(struct mwifiex_private *priv,
return 0;
}
+static int
+mwifiex_tdls_add_ht_oper(struct mwifiex_private *priv, u8 *mac,
+ u8 vht_enabled, struct sk_buff *skb)
+{
+ struct ieee80211_ht_operation *ht_oper;
+ struct mwifiex_sta_node *sta_ptr;
+ struct mwifiex_bssdescriptor *bss_desc =
+ &priv->curr_bss_params.bss_descriptor;
+ u8 *pos;
+
+ sta_ptr = mwifiex_get_sta_entry(priv, mac);
+ if (unlikely(!sta_ptr)) {
+ dev_warn(priv->adapter->dev,
+ "TDLS peer station not found in list\n");
+ return -1;
+ }
+
+ pos = (void *)skb_put(skb, sizeof(struct ieee80211_ht_operation) + 2);
+ *pos++ = WLAN_EID_HT_OPERATION;
+ *pos++ = sizeof(struct ieee80211_ht_operation);
+ ht_oper = (void *)pos;
+
+ ht_oper->primary_chan = bss_desc->channel;
+
+ /* follow AP's channel bandwidth */
+ if (ISSUPP_CHANWIDTH40(priv->adapter->hw_dot_11n_dev_cap) &&
+ bss_desc->bcn_ht_cap &&
+ ISALLOWED_CHANWIDTH40(bss_desc->bcn_ht_oper->ht_param))
+ ht_oper->ht_param = bss_desc->bcn_ht_oper->ht_param;
+
+ if (vht_enabled) {
+ ht_oper->ht_param =
+ mwifiex_get_sec_chan_offset(bss_desc->channel);
+ ht_oper->ht_param |= BIT(2);
+ }
+
+ memcpy(&sta_ptr->tdls_cap.ht_oper, ht_oper,
+ sizeof(struct ieee80211_ht_operation));
+
+ return 0;
+}
+
static int mwifiex_tdls_add_vht_oper(struct mwifiex_private *priv,
u8 *mac, struct sk_buff *skb)
{
@@ -428,6 +470,17 @@ static int mwifiex_prep_tdls_encap_data(struct mwifiex_private *priv,
dev_kfree_skb_any(skb);
return ret;
}
+ ret = mwifiex_tdls_add_ht_oper(priv, peer, 1, skb);
+ if (ret) {
+ dev_kfree_skb_any(skb);
+ return ret;
+ }
+ } else {
+ ret = mwifiex_tdls_add_ht_oper(priv, peer, 0, skb);
+ if (ret) {
+ dev_kfree_skb_any(skb);
+ return ret;
+ }
}
break;
--
1.8.2.3