1 files changed, 128 insertions, 18 deletions

diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c
index 8932af5e4d8d..b4dadf75d565 100644
--- a/drivers/net/wireless/ath/wcn36xx/smd.c
+++ b/drivers/net/wireless/ath/wcn36xx/smd.c
@@ -252,23 +252,29 @@ static int wcn36xx_smd_send_and_wait(struct wcn36xx *wcn, size_t len)
 {
 	int ret = 0;
 	unsigned long start;
+	struct wcn36xx_hal_msg_header *hdr =
+		(struct wcn36xx_hal_msg_header *)wcn->hal_buf;
+	u16 req_type = hdr->msg_type;
+
 	wcn36xx_dbg_dump(WCN36XX_DBG_SMD_DUMP, "HAL >>> ", wcn->hal_buf, len);
 
 	init_completion(&wcn->hal_rsp_compl);
 	start = jiffies;
 	ret = rpmsg_send(wcn->smd_channel, wcn->hal_buf, len);
 	if (ret) {
-		wcn36xx_err("HAL TX failed\n");
+		wcn36xx_err("HAL TX failed for req %d\n", req_type);
 		goto out;
 	}
 	if (wait_for_completion_timeout(&wcn->hal_rsp_compl,
 		msecs_to_jiffies(HAL_MSG_TIMEOUT)) <= 0) {
-		wcn36xx_err("Timeout! No SMD response in %dms\n",
-			    HAL_MSG_TIMEOUT);
+		wcn36xx_err("Timeout! No SMD response to req %d in %dms\n",
+			    req_type, HAL_MSG_TIMEOUT);
 		ret = -ETIME;
 		goto out;
 	}
-	wcn36xx_dbg(WCN36XX_DBG_SMD, "SMD command completed in %dms",
+	wcn36xx_dbg(WCN36XX_DBG_SMD,
+		    "SMD command (req %d, rsp %d) completed in %dms\n",
+		    req_type, hdr->msg_type,
 		    jiffies_to_msecs(jiffies - start));
 out:
 	return ret;
@@ -292,12 +298,26 @@ static void init_hal_msg(struct wcn36xx_hal_msg_header *hdr,
 		msg_body.header.len = sizeof(msg_body);			\
 	} while (0)							\
 
+#define INIT_HAL_PTT_MSG(p_msg_body, ppt_msg_len) \
+	do { \
+		memset(p_msg_body, 0, sizeof(*p_msg_body) + ppt_msg_len); \
+		p_msg_body->header.msg_type = WCN36XX_HAL_PROCESS_PTT_REQ; \
+		p_msg_body->header.msg_version = WCN36XX_HAL_MSG_VERSION0; \
+		p_msg_body->header.len = sizeof(*p_msg_body) + ppt_msg_len; \
+	} while (0)
+
 #define PREPARE_HAL_BUF(send_buf, msg_body) \
 	do {							\
 		memset(send_buf, 0, msg_body.header.len);	\
 		memcpy(send_buf, &msg_body, sizeof(msg_body));	\
 	} while (0)						\
 
+#define PREPARE_HAL_PTT_MSG_BUF(send_buf, p_msg_body) \
+	do {							\
+		memset(send_buf, 0, p_msg_body->header.len); \
+		memcpy(send_buf, p_msg_body, p_msg_body->header.len); \
+	} while (0)
+
 static int wcn36xx_smd_rsp_status_check(void *buf, size_t len)
 {
 	struct wcn36xx_fw_msg_status_rsp *rsp;
@@ -620,9 +640,13 @@ out:
 int wcn36xx_smd_start_hw_scan(struct wcn36xx *wcn, struct ieee80211_vif *vif,
 			      struct cfg80211_scan_request *req)
 {
+	struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
 	struct wcn36xx_hal_start_scan_offload_req_msg msg_body;
 	int ret, i;
 
+	if (req->ie_len > WCN36XX_MAX_SCAN_IE_LEN)
+		return -EINVAL;
+
 	mutex_lock(&wcn->hal_mutex);
 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_START_SCAN_OFFLOAD_REQ);
 
@@ -631,6 +655,7 @@ int wcn36xx_smd_start_hw_scan(struct wcn36xx *wcn, struct ieee80211_vif *vif,
 	msg_body.max_ch_time = 100;
 	msg_body.scan_hidden = 1;
 	memcpy(msg_body.mac, vif->addr, ETH_ALEN);
+	msg_body.bss_type = vif_priv->bss_type;
 	msg_body.p2p_search = vif->p2p;
 
 	msg_body.num_ssid = min_t(u8, req->n_ssids, ARRAY_SIZE(msg_body.ssids));
@@ -646,6 +671,14 @@ int wcn36xx_smd_start_hw_scan(struct wcn36xx *wcn, struct ieee80211_vif *vif,
 	for (i = 0; i < msg_body.num_channel; i++)
 		msg_body.channels[i] = req->channels[i]->hw_value;
 
+	msg_body.header.len -= WCN36XX_MAX_SCAN_IE_LEN;
+
+	if (req->ie_len > 0) {
+		msg_body.ie_len = req->ie_len;
+		msg_body.header.len += req->ie_len;
+		memcpy(msg_body.ie, req->ie, req->ie_len);
+	}
+
 	PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
 
 	wcn36xx_dbg(WCN36XX_DBG_HAL,
@@ -741,6 +774,71 @@ out:
 	return ret;
 }
 
+static int wcn36xx_smd_process_ptt_msg_rsp(void *buf, size_t len,
+					   void **p_ptt_rsp_msg)
+{
+	struct wcn36xx_hal_process_ptt_msg_rsp_msg *rsp;
+	int ret;
+
+	ret = wcn36xx_smd_rsp_status_check(buf, len);
+	if (ret)
+		return ret;
+
+	rsp = (struct wcn36xx_hal_process_ptt_msg_rsp_msg *)buf;
+
+	wcn36xx_dbg(WCN36XX_DBG_HAL, "process ptt msg responded with length %d\n",
+		    rsp->header.len);
+	wcn36xx_dbg_dump(WCN36XX_DBG_HAL_DUMP, "HAL_PTT_MSG_RSP:", rsp->ptt_msg,
+			 rsp->header.len - sizeof(rsp->ptt_msg_resp_status));
+
+	if (rsp->header.len > 0) {
+		*p_ptt_rsp_msg = kmalloc(rsp->header.len, GFP_ATOMIC);
+		if (!*p_ptt_rsp_msg)
+			return -ENOMEM;
+		memcpy(*p_ptt_rsp_msg, rsp->ptt_msg, rsp->header.len);
+	}
+	return ret;
+}
+
+int wcn36xx_smd_process_ptt_msg(struct wcn36xx *wcn,
+				struct ieee80211_vif *vif, void *ptt_msg, size_t len,
+		void **ptt_rsp_msg)
+{
+	struct wcn36xx_hal_process_ptt_msg_req_msg *p_msg_body;
+	int ret;
+
+	mutex_lock(&wcn->hal_mutex);
+	p_msg_body = kmalloc(
+		sizeof(struct wcn36xx_hal_process_ptt_msg_req_msg) + len,
+		GFP_ATOMIC);
+	if (!p_msg_body) {
+		ret = -ENOMEM;
+		goto out_nomem;
+	}
+	INIT_HAL_PTT_MSG(p_msg_body, len);
+
+	memcpy(&p_msg_body->ptt_msg, ptt_msg, len);
+
+	PREPARE_HAL_PTT_MSG_BUF(wcn->hal_buf, p_msg_body);
+
+	ret = wcn36xx_smd_send_and_wait(wcn, p_msg_body->header.len);
+	if (ret) {
+		wcn36xx_err("Sending hal_process_ptt_msg failed\n");
+		goto out;
+	}
+	ret = wcn36xx_smd_process_ptt_msg_rsp(wcn->hal_buf, wcn->hal_rsp_len,
+					      ptt_rsp_msg);
+	if (ret) {
+		wcn36xx_err("process_ptt_msg response failed err=%d\n", ret);
+		goto out;
+	}
+out:
+	kfree(p_msg_body);
+out_nomem:
+	mutex_unlock(&wcn->hal_mutex);
+	return ret;
+}
+
 static int wcn36xx_smd_update_scan_params_rsp(void *buf, size_t len)
 {
 	struct wcn36xx_hal_update_scan_params_resp *rsp;
@@ -1399,9 +1497,10 @@ int wcn36xx_smd_config_bss(struct wcn36xx *wcn, struct ieee80211_vif *vif,
 	bss->spectrum_mgt_enable = 0;
 	bss->tx_mgmt_power = 0;
 	bss->max_tx_power = WCN36XX_MAX_POWER(wcn);
-
 	bss->action = update;
 
+	vif_priv->bss_type = bss->bss_type;
+
 	wcn36xx_dbg(WCN36XX_DBG_HAL,
 		    "hal config bss bssid %pM self_mac_addr %pM bss_type %d oper_mode %d nw_type %d\n",
 		    bss->bssid, bss->self_mac_addr, bss->bss_type,
@@ -1446,6 +1545,10 @@ int wcn36xx_smd_delete_bss(struct wcn36xx *wcn, struct ieee80211_vif *vif)
 	int ret = 0;
 
 	mutex_lock(&wcn->hal_mutex);
+
+	if (vif_priv->bss_index == WCN36XX_HAL_BSS_INVALID_IDX)
+		goto out;
+
 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_DELETE_BSS_REQ);
 
 	msg_body.bss_index = vif_priv->bss_index;
@@ -1464,6 +1567,8 @@ int wcn36xx_smd_delete_bss(struct wcn36xx *wcn, struct ieee80211_vif *vif)
 		wcn36xx_err("hal_delete_bss response failed err=%d\n", ret);
 		goto out;
 	}
+
+	vif_priv->bss_index = WCN36XX_HAL_BSS_INVALID_IDX;
 out:
 	mutex_unlock(&wcn->hal_mutex);
 	return ret;
@@ -1630,6 +1735,7 @@ out:
 
 int wcn36xx_smd_set_bsskey(struct wcn36xx *wcn,
 			   enum ani_ed_type enc_type,
+			   u8 bssidx,
 			   u8 keyidx,
 			   u8 keylen,
 			   u8 *key)
@@ -1639,7 +1745,7 @@ int wcn36xx_smd_set_bsskey(struct wcn36xx *wcn,
 
 	mutex_lock(&wcn->hal_mutex);
 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_BSSKEY_REQ);
-	msg_body.bss_idx = 0;
+	msg_body.bss_idx = bssidx;
 	msg_body.enc_type = enc_type;
 	msg_body.num_keys = 1;
 	msg_body.keys[0].id = keyidx;
@@ -1700,6 +1806,7 @@ out:
 
 int wcn36xx_smd_remove_bsskey(struct wcn36xx *wcn,
 			      enum ani_ed_type enc_type,
+			      u8 bssidx,
 			      u8 keyidx)
 {
 	struct wcn36xx_hal_remove_bss_key_req_msg msg_body;
@@ -1707,7 +1814,7 @@ int wcn36xx_smd_remove_bsskey(struct wcn36xx *wcn,
 
 	mutex_lock(&wcn->hal_mutex);
 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_RMV_BSSKEY_REQ);
-	msg_body.bss_idx = 0;
+	msg_body.bss_idx = bssidx;
 	msg_body.enc_type = enc_type;
 	msg_body.key_id = keyidx;
 
@@ -2132,11 +2239,13 @@ static int wcn36xx_smd_hw_scan_ind(struct wcn36xx *wcn, void *buf, size_t len)
 		return -EIO;
 	}
 
-	wcn36xx_dbg(WCN36XX_DBG_HAL, "scan indication (type %x)", rsp->type);
+	wcn36xx_dbg(WCN36XX_DBG_HAL, "scan indication (type %x)\n", rsp->type);
 
 	switch (rsp->type) {
 	case WCN36XX_HAL_SCAN_IND_FAILED:
+	case WCN36XX_HAL_SCAN_IND_DEQUEUED:
 		scan_info.aborted = true;
+		/* fall through */
 	case WCN36XX_HAL_SCAN_IND_COMPLETED:
 		mutex_lock(&wcn->scan_lock);
 		wcn->scan_req = NULL;
@@ -2147,7 +2256,6 @@ static int wcn36xx_smd_hw_scan_ind(struct wcn36xx *wcn, void *buf, size_t len)
 		break;
 	case WCN36XX_HAL_SCAN_IND_STARTED:
 	case WCN36XX_HAL_SCAN_IND_FOREIGN_CHANNEL:
-	case WCN36XX_HAL_SCAN_IND_DEQUEUED:
 	case WCN36XX_HAL_SCAN_IND_PREEMPTED:
 	case WCN36XX_HAL_SCAN_IND_RESTARTED:
 		break;
@@ -2367,6 +2475,7 @@ int wcn36xx_smd_rsp_process(struct rpmsg_device *rpdev,
 	case WCN36XX_HAL_JOIN_RSP:
 	case WCN36XX_HAL_UPDATE_SCAN_PARAM_RSP:
 	case WCN36XX_HAL_CH_SWITCH_RSP:
+	case WCN36XX_HAL_PROCESS_PTT_RSP:
 	case WCN36XX_HAL_FEATURE_CAPS_EXCHANGE_RSP:
 	case WCN36XX_HAL_8023_MULTICAST_LIST_RSP:
 	case WCN36XX_HAL_START_SCAN_OFFLOAD_RSP:
@@ -2407,6 +2516,7 @@ int wcn36xx_smd_rsp_process(struct rpmsg_device *rpdev,
 
 	return 0;
 }
+
 static void wcn36xx_ind_smd_work(struct work_struct *work)
 {
 	struct wcn36xx *wcn =
@@ -2471,24 +2581,24 @@ static void wcn36xx_ind_smd_work(struct work_struct *work)
 }
 int wcn36xx_smd_open(struct wcn36xx *wcn)
 {
-	int ret = 0;
 	wcn->hal_ind_wq = create_freezable_workqueue("wcn36xx_smd_ind");
-	if (!wcn->hal_ind_wq) {
-		wcn36xx_err("failed to allocate wq\n");
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!wcn->hal_ind_wq)
+		return -ENOMEM;
+
 	INIT_WORK(&wcn->hal_ind_work, wcn36xx_ind_smd_work);
 	INIT_LIST_HEAD(&wcn->hal_ind_queue);
 	spin_lock_init(&wcn->hal_ind_lock);
 
 	return 0;
-
-out:
-	return ret;
 }
 
 void wcn36xx_smd_close(struct wcn36xx *wcn)
 {
+	struct wcn36xx_hal_ind_msg *msg, *tmp;
+
+	cancel_work_sync(&wcn->hal_ind_work);
 	destroy_workqueue(wcn->hal_ind_wq);
+
+	list_for_each_entry_safe(msg, tmp, &wcn->hal_ind_queue, list)
+		kfree(msg);
 }