brcmfmac: update tx status flags to sync with firmware

There is a mismatch of tx status flag values between host and firmware.
It makes the host mistake the flags and have incorrect behavior of credit
returns. So update the flags to sync with the firmware ones.
Signed-off-by: Chung-Hsien Hsu <stanley.hsu@cypress.com>
Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200610152106.175257-5-chi-hsien.lin@cypress.com

drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c

@@ -323,6 +323,10 @@ struct brcmf_skbuff_cb {
  *	firmware suppress the packet as device is already in PS mode.
  * @BRCMF_FWS_TXSTATUS_FW_TOSSED:
  *	firmware tossed the packet.
+ * @BRCMF_FWS_TXSTATUS_FW_DISCARD_NOACK:
+ *	firmware tossed the packet after retries.
+ * @BRCMF_FWS_TXSTATUS_FW_SUPPRESS_ACKED:
+ *	firmware wrongly reported suppressed previously, now fixing to acked.
  * @BRCMF_FWS_TXSTATUS_HOST_TOSSED:
  *	host tossed the packet.
  */
@@ -331,6 +335,8 @@ enum brcmf_fws_txstatus {
 	BRCMF_FWS_TXSTATUS_CORE_SUPPRESS,
 	BRCMF_FWS_TXSTATUS_FW_PS_SUPPRESS,
 	BRCMF_FWS_TXSTATUS_FW_TOSSED,
+	BRCMF_FWS_TXSTATUS_FW_DISCARD_NOACK,
+	BRCMF_FWS_TXSTATUS_FW_SUPPRESS_ACKED,
 	BRCMF_FWS_TXSTATUS_HOST_TOSSED
 };
 
@@ -1455,6 +1461,10 @@ brcmf_fws_txs_process(struct brcmf_fws_info *fws, u8 flags, u32 hslot,
 		remove_from_hanger = false;
 	} else if (flags == BRCMF_FWS_TXSTATUS_FW_TOSSED)
 		fws->stats.txs_tossed += compcnt;
+	else if (flags == BRCMF_FWS_TXSTATUS_FW_DISCARD_NOACK)
+		fws->stats.txs_discard += compcnt;
+	else if (flags == BRCMF_FWS_TXSTATUS_FW_SUPPRESS_ACKED)
+		fws->stats.txs_discard += compcnt;
 	else if (flags == BRCMF_FWS_TXSTATUS_HOST_TOSSED)
 		fws->stats.txs_host_tossed += compcnt;
 	else