ath10k: add htt_stats_enable debugfs file

[cascardo/linux.git] / drivers / net / wireless / ath / ath10k / htt_tx.c

diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c b/drivers/net/wireless/ath/ath10k/htt_tx.c
index d4fb387..b6b1420 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/htt_tx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_tx.c
@@ -203,6 +203,48 @@ int ath10k_htt_h2t_ver_req_msg(struct ath10k_htt *htt)
        return 0;
 }
 
+int ath10k_htt_h2t_stats_req(struct ath10k_htt *htt, u8 mask, u64 cookie)
+{
+       struct htt_stats_req *req;
+       struct sk_buff *skb;
+       struct htt_cmd *cmd;
+       int len = 0, ret;
+
+       len += sizeof(cmd->hdr);
+       len += sizeof(cmd->stats_req);
+
+       skb = ath10k_htc_alloc_skb(len);
+       if (!skb)
+               return -ENOMEM;
+
+       skb_put(skb, len);
+       cmd = (struct htt_cmd *)skb->data;
+       cmd->hdr.msg_type = HTT_H2T_MSG_TYPE_STATS_REQ;
+
+       req = &cmd->stats_req;
+
+       memset(req, 0, sizeof(*req));
+
+       /* currently we support only max 8 bit masks so no need to worry
+        * about endian support */
+       req->upload_types[0] = mask;
+       req->reset_types[0] = mask;
+       req->stat_type = HTT_STATS_REQ_CFG_STAT_TYPE_INVALID;
+       req->cookie_lsb = cpu_to_le32(cookie & 0xffffffff);
+       req->cookie_msb = cpu_to_le32((cookie & 0xffffffff00000000ULL) >> 32);
+
+       ATH10K_SKB_CB(skb)->htt.is_conf = true;
+
+       ret = ath10k_htc_send(&htt->ar->htc, htt->eid, skb);
+       if (ret) {
+               ath10k_warn("failed to send htt type stats request: %d", ret);
+               dev_kfree_skb_any(skb);
+               return ret;
+       }
+
+       return 0;
+}
+
 int ath10k_htt_send_rx_ring_cfg_ll(struct ath10k_htt *htt)
 {
        struct sk_buff *skb;