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ath10k: wmi: add management tx by reference support over wmi

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HL1.0 firmware branch, used in wcn3990, transmits management
frames by reference over WMI.

Add support for management tx by reference over WMI.

Signed-off-by: Rakesh Pillai <pillair@qti.qualcomm.com>
Signed-off-by: Govind Singh <govinds@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Rakesh Pillai
2017-12-11 19:52:53 +05:30
committed by Kalle Valo
parent 229329ff34
commit 1807da4973
6 changed files with 158 additions and 1 deletions
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78
drivers/net/wireless/ath/ath10k/wmi-tlv.c
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@@ -2482,6 +2482,82 @@ ath10k_wmi_tlv_op_gen_request_stats(struct ath10k *ar, u32 stats_mask)
return skb;
}
static struct sk_buff *
ath10k_wmi_tlv_op_gen_mgmt_tx(struct ath10k *ar, struct sk_buff *msdu)
{
struct ath10k_skb_cb *cb = ATH10K_SKB_CB(msdu);
struct wmi_tlv_mgmt_tx_cmd *cmd;
struct wmi_tlv *tlv;
struct ieee80211_hdr *hdr;
struct sk_buff *skb;
void *ptr;
int len;
u32 buf_len = msdu->len;
u16 fc;
struct ath10k_vif *arvif;
dma_addr_t mgmt_frame_dma;
u32 vdev_id;
if (!cb->vif)
return ERR_PTR(-EINVAL);
hdr = (struct ieee80211_hdr *)msdu->data;
fc = le16_to_cpu(hdr->frame_control);
arvif = (void *)cb->vif->drv_priv;
vdev_id = arvif->vdev_id;
if (WARN_ON_ONCE(!ieee80211_is_mgmt(hdr->frame_control)))
return ERR_PTR(-EINVAL);
len = sizeof(*cmd) + 2 * sizeof(*tlv);
if ((ieee80211_is_action(hdr->frame_control) ||
ieee80211_is_deauth(hdr->frame_control) ||
ieee80211_is_disassoc(hdr->frame_control)) &&
ieee80211_has_protected(hdr->frame_control)) {
len += IEEE80211_CCMP_MIC_LEN;
buf_len += IEEE80211_CCMP_MIC_LEN;
}
buf_len = min_t(u32, buf_len, WMI_TLV_MGMT_TX_FRAME_MAX_LEN);
buf_len = round_up(buf_len, 4);
len += buf_len;
len = round_up(len, 4);
skb = ath10k_wmi_alloc_skb(ar, len);
if (!skb)
return ERR_PTR(-ENOMEM);
ptr = (void *)skb->data;
tlv = ptr;
tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_MGMT_TX_CMD);
tlv->len = __cpu_to_le16(sizeof(*cmd));
cmd = (void *)tlv->value;
cmd->vdev_id = __cpu_to_le32(vdev_id);
cmd->desc_id = 0;
cmd->chanfreq = 0;
cmd->buf_len = __cpu_to_le32(buf_len);
cmd->frame_len = __cpu_to_le32(msdu->len);
mgmt_frame_dma = dma_map_single(arvif->ar->dev, msdu->data,
msdu->len, DMA_TO_DEVICE);
if (!mgmt_frame_dma)
return ERR_PTR(-ENOMEM);
cmd->paddr = __cpu_to_le64(mgmt_frame_dma);
ptr += sizeof(*tlv);
ptr += sizeof(*cmd);
tlv = ptr;
tlv->tag = __cpu_to_le16(WMI_TLV_TAG_ARRAY_BYTE);
tlv->len = __cpu_to_le16(buf_len);
ptr += sizeof(*tlv);
memcpy(ptr, msdu->data, buf_len);
return skb;
}
static struct sk_buff *
ath10k_wmi_tlv_op_gen_force_fw_hang(struct ath10k *ar,
enum wmi_force_fw_hang_type type,
@@ -3291,6 +3367,7 @@ static struct wmi_cmd_map wmi_tlv_cmd_map = {
.bcn_filter_rx_cmdid = WMI_TLV_BCN_FILTER_RX_CMDID,
.prb_req_filter_rx_cmdid = WMI_TLV_PRB_REQ_FILTER_RX_CMDID,
.mgmt_tx_cmdid = WMI_TLV_MGMT_TX_CMDID,
.mgmt_tx_send_cmdid = WMI_TLV_MGMT_TX_SEND_CMD,
.prb_tmpl_cmdid = WMI_TLV_PRB_TMPL_CMDID,
.addba_clear_resp_cmdid = WMI_TLV_ADDBA_CLEAR_RESP_CMDID,
.addba_send_cmdid = WMI_TLV_ADDBA_SEND_CMDID,
@@ -3625,6 +3702,7 @@ static const struct wmi_ops wmi_tlv_ops = {
.gen_request_stats = ath10k_wmi_tlv_op_gen_request_stats,
.gen_force_fw_hang = ath10k_wmi_tlv_op_gen_force_fw_hang,
/* .gen_mgmt_tx = not implemented; HTT is used */
.gen_mgmt_tx = ath10k_wmi_tlv_op_gen_mgmt_tx,
.gen_dbglog_cfg = ath10k_wmi_tlv_op_gen_dbglog_cfg,
.gen_pktlog_enable = ath10k_wmi_tlv_op_gen_pktlog_enable,
.gen_pktlog_disable = ath10k_wmi_tlv_op_gen_pktlog_disable,