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rtw88: handle C2H_CCX_TX_RPT to know if packet TX'ed successfully

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TX status report of 8723D differs from 8822B/8822C, it uses
C2H_CCX_TX_RPT (0x03) with different format. With sequence number
and TX status, driver can know if certain packet was transmitted
successfully.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200504105010.10780-5-yhchuang@realtek.com
This commit is contained in:
Ping-Ke Shih 2020-05-04 18:50:06 +08:00 committed by Kalle Valo
parent 5f028a9cf4
commit 614b1f8744
4 changed files with 19 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/wireless/realtek/rtw88/fw.c
View File

@ -25,7 +25,7 @@ static void rtw_fw_c2h_cmd_handle_ext(struct rtw_dev *rtwdev,
switch (sub_cmd_id) {
case C2H_CCX_RPT:
rtw_tx_report_handle(rtwdev, skb);
rtw_tx_report_handle(rtwdev, skb, C2H_CCX_RPT);
break;
default:
break;
@ -142,6 +142,9 @@ void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb)
goto unlock;
switch (c2h->id) {
case C2H_CCX_TX_RPT:
rtw_tx_report_handle(rtwdev, skb, C2H_CCX_TX_RPT);
break;
case C2H_BT_INFO:
rtw_coex_bt_info_notify(rtwdev, c2h->payload, len);
break;
@ -155,6 +158,7 @@ void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb)
rtw_fw_ra_report_handle(rtwdev, c2h->payload, len);
break;
default:
rtw_dbg(rtwdev, RTW_DBG_FW, "C2H 0x%x isn't handled\n", c2h->id);
break;
}

7
drivers/net/wireless/realtek/rtw88/fw.h
View File

@ -26,6 +26,7 @@
#define FW_START_ADDR_LEGACY 0x1000
enum rtw_c2h_cmd_id {
C2H_CCX_TX_RPT = 0x03,
C2H_BT_INFO = 0x09,
C2H_BT_MP_INFO = 0x0b,
C2H_RA_RPT = 0x0c,
@ -218,8 +219,10 @@ struct rtw_fw_hdr_legacy {
} __packed;
/* C2H */
#define GET_CCX_REPORT_SEQNUM(c2h_payload) (c2h_payload[8] & 0xfc)
#define GET_CCX_REPORT_STATUS(c2h_payload) (c2h_payload[9] & 0xc0)
#define GET_CCX_REPORT_SEQNUM_V0(c2h_payload) (c2h_payload[6] & 0xfc)
#define GET_CCX_REPORT_STATUS_V0(c2h_payload) (c2h_payload[0] & 0xc0)
#define GET_CCX_REPORT_SEQNUM_V1(c2h_payload) (c2h_payload[8] & 0xfc)
#define GET_CCX_REPORT_STATUS_V1(c2h_payload) (c2h_payload[9] & 0xc0)
#define GET_RA_REPORT_RATE(c2h_payload) (c2h_payload[0] & 0x7f)
#define GET_RA_REPORT_SGI(c2h_payload) ((c2h_payload[0] & 0x80) >> 7)

11
drivers/net/wireless/realtek/rtw88/tx.c
View File

@ -196,7 +196,7 @@ static void rtw_tx_report_tx_status(struct rtw_dev *rtwdev,
ieee80211_tx_status_irqsafe(rtwdev->hw, skb);
}
void rtw_tx_report_handle(struct rtw_dev *rtwdev, struct sk_buff *skb)
void rtw_tx_report_handle(struct rtw_dev *rtwdev, struct sk_buff *skb, int src)
{
struct rtw_tx_report *tx_report = &rtwdev->tx_report;
struct rtw_c2h_cmd *c2h;
@ -207,8 +207,13 @@ void rtw_tx_report_handle(struct rtw_dev *rtwdev, struct sk_buff *skb)
c2h = get_c2h_from_skb(skb);
sn = GET_CCX_REPORT_SEQNUM(c2h->payload);
st = GET_CCX_REPORT_STATUS(c2h->payload);
if (src == C2H_CCX_TX_RPT) {
sn = GET_CCX_REPORT_SEQNUM_V0(c2h->payload);
st = GET_CCX_REPORT_STATUS_V0(c2h->payload);
} else {
sn = GET_CCX_REPORT_SEQNUM_V1(c2h->payload);
st = GET_CCX_REPORT_STATUS_V1(c2h->payload);
}
spin_lock_irqsave(&tx_report->q_lock, flags);
skb_queue_walk_safe(&tx_report->queue, cur, tmp) {

2
drivers/net/wireless/realtek/rtw88/tx.h
View File

@ -95,7 +95,7 @@ void rtw_tx_pkt_info_update(struct rtw_dev *rtwdev,
struct sk_buff *skb);
void rtw_tx_fill_tx_desc(struct rtw_tx_pkt_info *pkt_info, struct sk_buff *skb);
void rtw_tx_report_enqueue(struct rtw_dev *rtwdev, struct sk_buff *skb, u8 sn);
void rtw_tx_report_handle(struct rtw_dev *rtwdev, struct sk_buff *skb);
void rtw_tx_report_handle(struct rtw_dev *rtwdev, struct sk_buff *skb, int src);
void rtw_rsvd_page_pkt_info_update(struct rtw_dev *rtwdev,
struct rtw_tx_pkt_info *pkt_info,
struct sk_buff *skb);