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wifi: rtw89: wow: add wait for H2C of FW-IPS mode

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The C2H packet of FW-IPS mode is not handled by driver in the suspend
flow, and lead to WoWLAN firmware fail to enter PS mode and even some
SER happen. So add wait function for H2C of FW-IPS mode to check driver
handle the C2H packet before disabling interrupt and make the net-detect
function work fine.

Signed-off-by: Chin-Yen Lee <timlee@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20240826090439.17242-3-pkshih@realtek.com
This commit is contained in:
Chin-Yen Lee
2024-08-26 17:04:37 +08:00
committed by Ping-Ke Shih
parent d9dd3ac77c
commit f6409a8a0a
5 changed files with 31 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/net/wireless/realtek/rtw89/core.c
+1
View File
@@ -4321,6 +4321,7 @@ int rtw89_core_init(struct rtw89_dev *rtwdev)
rtw89_init_wait(&rtwdev->mcc.wait);
rtw89_init_wait(&rtwdev->mac.fw_ofld_wait);
rtw89_init_wait(&rtwdev->wow.wait);
rtw89_init_wait(&rtwdev->mac.ps_wait);
INIT_WORK(&rtwdev->c2h_work, rtw89_fw_c2h_work);
INIT_WORK(&rtwdev->ips_work, rtw89_ips_work);
drivers/net/wireless/realtek/rtw89/core.h
+2
View File
@@ -4397,6 +4397,8 @@ struct rtw89_mac_info {
/* see RTW89_FW_OFLD_WAIT_COND series for wait condition */
struct rtw89_wait_info fw_ofld_wait;
/* see RTW89_PS_WAIT_COND series for wait condition */
struct rtw89_wait_info ps_wait;
};
enum rtw89_fwdl_check_type {
drivers/net/wireless/realtek/rtw89/fw.c
+2 -11
View File
@@ -7176,10 +7176,10 @@ fail:
int rtw89_fw_h2c_fwips(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif,
bool enable)
{
struct rtw89_wait_info *wait = &rtwdev->mac.ps_wait;
struct rtw89_h2c_fwips *h2c;
u32 len = sizeof(*h2c);
struct sk_buff *skb;
int ret;
skb = rtw89_fw_h2c_alloc_skb_with_hdr(rtwdev, len);
if (!skb) {
@@ -7198,16 +7198,7 @@ int rtw89_fw_h2c_fwips(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif,
H2C_FUNC_IPS_CFG, 0, 1,
len);
ret = rtw89_h2c_tx(rtwdev, skb, false);
if (ret) {
rtw89_err(rtwdev, "failed to send h2c\n");
goto fail;
}
return 0;
fail:
dev_kfree_skb_any(skb);
return ret;
return rtw89_h2c_tx_and_wait(rtwdev, skb, wait, RTW89_PS_WAIT_COND_IPS_CFG);
}
int rtw89_fw_h2c_wow_request_aoac(struct rtw89_dev *rtwdev)
drivers/net/wireless/realtek/rtw89/fw.h
+13 -3
View File
@@ -4023,9 +4023,19 @@ enum rtw89_wow_h2c_func {
/* CLASS 2 - PS */
#define H2C_CL_MAC_PS 0x2
#define H2C_FUNC_MAC_LPS_PARM 0x0
#define H2C_FUNC_P2P_ACT 0x1
#define H2C_FUNC_IPS_CFG 0x3
enum rtw89_ps_h2c_func {
H2C_FUNC_MAC_LPS_PARM = 0x0,
H2C_FUNC_P2P_ACT = 0x1,
H2C_FUNC_IPS_CFG = 0x3,
NUM_OF_RTW89_PS_H2C_FUNC,
};
#define RTW89_PS_WAIT_COND(tag, func) \
((tag) * NUM_OF_RTW89_PS_H2C_FUNC + (func))
#define RTW89_PS_WAIT_COND_IPS_CFG \
RTW89_PS_WAIT_COND(0 /* don't care */, H2C_FUNC_IPS_CFG)
/* CLASS 3 - FW download */
#define H2C_CL_MAC_FWDL 0x3
drivers/net/wireless/realtek/rtw89/mac.c
+13
View File
@@ -4887,6 +4887,7 @@ rtw89_mac_c2h_done_ack(struct rtw89_dev *rtwdev, struct sk_buff *skb_c2h, u32 le
{
/* N.B. This will run in interrupt context. */
struct rtw89_wait_info *fw_ofld_wait = &rtwdev->mac.fw_ofld_wait;
struct rtw89_wait_info *ps_wait = &rtwdev->mac.ps_wait;
const struct rtw89_c2h_done_ack *c2h =
(const struct rtw89_c2h_done_ack *)skb_c2h->data;
u8 h2c_cat = le32_get_bits(c2h->w2, RTW89_C2H_DONE_ACK_W2_CAT);
@@ -4907,6 +4908,18 @@ rtw89_mac_c2h_done_ack(struct rtw89_dev *rtwdev, struct sk_buff *skb_c2h, u32 le
switch (h2c_class) {
default:
return;
case H2C_CL_MAC_PS:
switch (h2c_func) {
default:
return;
case H2C_FUNC_IPS_CFG:
cond = RTW89_PS_WAIT_COND_IPS_CFG;
break;
}
data.err = !!h2c_return;
rtw89_complete_cond(ps_wait, cond, &data);
return;
case H2C_CL_MAC_FW_OFLD:
switch (h2c_func) {
default: