1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c b/drivers/net/wireless/ath/ath10k/htt_tx.c
index 9cbfc45b4b60..f605be98bae8 100644
--- a/drivers/net/wireless/ath/ath10k/htt_tx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_tx.c
@@ -934,6 +934,57 @@ static int ath10k_htt_send_rx_ring_cfg_64(struct ath10k_htt *htt)
 	return 0;
 }
 
+static int ath10k_htt_send_rx_ring_cfg_hl(struct ath10k_htt *htt)
+{
+	struct ath10k *ar = htt->ar;
+	struct sk_buff *skb;
+	struct htt_cmd *cmd;
+	struct htt_rx_ring_setup_ring32 *ring;
+	const int num_rx_ring = 1;
+	u16 flags;
+	int len;
+	int ret;
+
+	/*
+	 * the HW expects the buffer to be an integral number of 4-byte
+	 * "words"
+	 */
+	BUILD_BUG_ON(!IS_ALIGNED(HTT_RX_BUF_SIZE, 4));
+	BUILD_BUG_ON((HTT_RX_BUF_SIZE & HTT_MAX_CACHE_LINE_SIZE_MASK) != 0);
+
+	len = sizeof(cmd->hdr) + sizeof(cmd->rx_setup_32.hdr)
+	    + (sizeof(*ring) * num_rx_ring);
+	skb = ath10k_htc_alloc_skb(ar, len);
+	if (!skb)
+		return -ENOMEM;
+
+	skb_put(skb, len);
+
+	cmd = (struct htt_cmd *)skb->data;
+	ring = &cmd->rx_setup_32.rings[0];
+
+	cmd->hdr.msg_type = HTT_H2T_MSG_TYPE_RX_RING_CFG;
+	cmd->rx_setup_32.hdr.num_rings = 1;
+
+	flags = 0;
+	flags |= HTT_RX_RING_FLAGS_MSDU_PAYLOAD;
+	flags |= HTT_RX_RING_FLAGS_UNICAST_RX;
+	flags |= HTT_RX_RING_FLAGS_MULTICAST_RX;
+
+	memset(ring, 0, sizeof(*ring));
+	ring->rx_ring_len = __cpu_to_le16(HTT_RX_RING_SIZE_MIN);
+	ring->rx_ring_bufsize = __cpu_to_le16(HTT_RX_BUF_SIZE);
+	ring->flags = __cpu_to_le16(flags);
+
+	ret = ath10k_htc_send(&htt->ar->htc, htt->eid, skb);
+	if (ret) {
+		dev_kfree_skb_any(skb);
+		return ret;
+	}
+
+	return 0;
+}
+
 int ath10k_htt_h2t_aggr_cfg_msg(struct ath10k_htt *htt,
 				u8 max_subfrms_ampdu,
 				u8 max_subfrms_amsdu)
@@ -1563,6 +1614,7 @@ static const struct ath10k_htt_tx_ops htt_tx_ops_64 = {
 };
 
 static const struct ath10k_htt_tx_ops htt_tx_ops_hl = {
+	.htt_send_rx_ring_cfg = ath10k_htt_send_rx_ring_cfg_hl,
 	.htt_send_frag_desc_bank_cfg = ath10k_htt_send_frag_desc_bank_cfg_32,
 };