diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/htt_tx.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/htt_tx.c | 52 |
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, }; |