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path: root/drivers/net/wireless/ath/wcn36xx/smd.c
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Diffstat (limited to 'drivers/net/wireless/ath/wcn36xx/smd.c')
-rw-r--r--drivers/net/wireless/ath/wcn36xx/smd.c146
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);
}