WoWLAN (Wake on WLAN) is a feature which allows devices to be woken up from
suspend state by WLAN events. When specific events are received, WiFi chip
raises a physical pin or sends an in-band message to wake up system. For a
PCIE WiFi device, it sends a PCIE PME event to host.
Before entering suspend, driver needs to stop TX/RX DMA, swap to WoWLAN
firmware due to firmware size is limited, and then restart HCI properly for
WoWLAN mode. To avoid track work to ask entering LPS while process of
going to suspend, we forbid the work during suspend/resume period.
In additional to main flow mentioned above, patch 1/7 is to prepare RF
parameters to help WoWLAN firmware configure RF. Patch 2/7 is to refine
download_firmware(), because swapping WoWLAN firmware can reuse the flow.
Patch 4/7 is to drop TX packets to ensure TX queue empty before entering
suspend.
The main patch is 6/7, it adds main flow of WoWLAN, and the last patch is
to add WoWLAN pattern match. Since WoWLAN of 8852B is still under
development, we don't enable it at this patchset, and will support it soon.
Chih-Kang Chang (4):
wifi: rtw89: collect and send RF parameters to firmware for WoWLAN
wifi: rtw89: move enable_cpu/disable_cpu into fw_download
wifi: rtw89: add function to adjust and restore PLE quota
wifi: rtw89: add drop tx packet function
Chin-Yen Lee (3):
wifi: rtw89: add related H2C for WoWLAN mode
wifi: rtw89: add WoWLAN function support
wifi: rtw89: add WoWLAN pattern match support
drivers/net/wireless/realtek/rtw89/Makefile | 2 +
drivers/net/wireless/realtek/rtw89/core.c | 10 +-
drivers/net/wireless/realtek/rtw89/core.h | 129 ++-
drivers/net/wireless/realtek/rtw89/debug.h | 1 +
drivers/net/wireless/realtek/rtw89/fw.c | 294 ++++++
drivers/net/wireless/realtek/rtw89/fw.h | 249 ++++-
drivers/net/wireless/realtek/rtw89/mac.c | 135 ++-
drivers/net/wireless/realtek/rtw89/mac.h | 31 +
drivers/net/wireless/realtek/rtw89/mac80211.c | 55 ++
drivers/net/wireless/realtek/rtw89/pci.c | 23 +-
drivers/net/wireless/realtek/rtw89/phy.c | 31 +-
drivers/net/wireless/realtek/rtw89/phy.h | 2 +-
drivers/net/wireless/realtek/rtw89/ps.c | 2 +-
drivers/net/wireless/realtek/rtw89/ps.h | 1 +
drivers/net/wireless/realtek/rtw89/reg.h | 21 +
drivers/net/wireless/realtek/rtw89/rtw8852a.c | 18 +
drivers/net/wireless/realtek/rtw89/rtw8852c.c | 14 +
drivers/net/wireless/realtek/rtw89/util.h | 11 +
drivers/net/wireless/realtek/rtw89/wow.c | 858 ++++++++++++++++++
drivers/net/wireless/realtek/rtw89/wow.h | 21 +
20 files changed, 1888 insertions(+), 20 deletions(-)
create mode 100644 drivers/net/wireless/realtek/rtw89/wow.c
create mode 100644 drivers/net/wireless/realtek/rtw89/wow.h
--
2.25.1
From: Chih-Kang Chang <[email protected]>
When entering WoWLAN mode, we need to drop all transmit packets,
including those in mac buffer, to avoid memory leakage, so implement
the drop_tx function.
Signed-off-by: Chih-Kang Chang <[email protected]>
Signed-off-by: Chin-Yen Lee <[email protected]>
Signed-off-by: Ping-Ke Shih <[email protected]>
---
drivers/net/wireless/realtek/rtw89/core.h | 3 +
drivers/net/wireless/realtek/rtw89/fw.c | 8 ++
drivers/net/wireless/realtek/rtw89/fw.h | 20 +++++
drivers/net/wireless/realtek/rtw89/mac.c | 75 +++++++++++++++++++
drivers/net/wireless/realtek/rtw89/mac.h | 13 ++++
drivers/net/wireless/realtek/rtw89/reg.h | 13 ++++
drivers/net/wireless/realtek/rtw89/rtw8852a.c | 2 +
drivers/net/wireless/realtek/rtw89/rtw8852c.c | 2 +
8 files changed, 136 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index 10ccb047d6a06..6b6bb3260fff4 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -2624,6 +2624,8 @@ struct rtw89_chip_info {
u32 rsvd_ple_ofst;
const struct rtw89_hfc_param_ini *hfc_param_ini;
const struct rtw89_dle_mem *dle_mem;
+ u8 wde_qempty_acq_num;
+ u8 wde_qempty_mgq_sel;
u32 rf_base_addr[2];
u8 support_chanctx_num;
u8 support_bands;
@@ -2949,6 +2951,7 @@ struct rtw89_pkt_drop_params {
u8 port;
u8 mbssid;
bool tf_trs;
+ u32 macid_band_sel[4];
};
struct rtw89_pkt_stat {
diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c
index df0af5e0d49a5..3f3f32bc98f1f 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.c
+++ b/drivers/net/wireless/realtek/rtw89/fw.c
@@ -2899,6 +2899,14 @@ int rtw89_fw_h2c_pkt_drop(struct rtw89_dev *rtwdev,
RTW89_SET_FWCMD_PKT_DROP_PORT(skb->data, params->port);
RTW89_SET_FWCMD_PKT_DROP_MBSSID(skb->data, params->mbssid);
RTW89_SET_FWCMD_PKT_DROP_ROLE_A_INFO_TF_TRS(skb->data, params->tf_trs);
+ RTW89_SET_FWCMD_PKT_DROP_MACID_BAND_SEL_0(skb->data,
+ params->macid_band_sel[0]);
+ RTW89_SET_FWCMD_PKT_DROP_MACID_BAND_SEL_1(skb->data,
+ params->macid_band_sel[1]);
+ RTW89_SET_FWCMD_PKT_DROP_MACID_BAND_SEL_2(skb->data,
+ params->macid_band_sel[2]);
+ RTW89_SET_FWCMD_PKT_DROP_MACID_BAND_SEL_3(skb->data,
+ params->macid_band_sel[3]);
rtw89_h2c_pkt_set_hdr(rtwdev, skb, FWCMD_TYPE_H2C,
H2C_CAT_MAC,
diff --git a/drivers/net/wireless/realtek/rtw89/fw.h b/drivers/net/wireless/realtek/rtw89/fw.h
index 6ef392ef9c6fb..10a9ca4da0df0 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.h
+++ b/drivers/net/wireless/realtek/rtw89/fw.h
@@ -1861,6 +1861,26 @@ static inline void RTW89_SET_FWCMD_PKT_DROP_ROLE_A_INFO_TF_TRS(void *cmd, u32 va
le32p_replace_bits((__le32 *)cmd + 1, val, GENMASK(15, 8));
}
+static inline void RTW89_SET_FWCMD_PKT_DROP_MACID_BAND_SEL_0(void *cmd, u32 val)
+{
+ le32p_replace_bits((__le32 *)cmd + 2, val, GENMASK(31, 0));
+}
+
+static inline void RTW89_SET_FWCMD_PKT_DROP_MACID_BAND_SEL_1(void *cmd, u32 val)
+{
+ le32p_replace_bits((__le32 *)cmd + 3, val, GENMASK(31, 0));
+}
+
+static inline void RTW89_SET_FWCMD_PKT_DROP_MACID_BAND_SEL_2(void *cmd, u32 val)
+{
+ le32p_replace_bits((__le32 *)cmd + 4, val, GENMASK(31, 0));
+}
+
+static inline void RTW89_SET_FWCMD_PKT_DROP_MACID_BAND_SEL_3(void *cmd, u32 val)
+{
+ le32p_replace_bits((__le32 *)cmd + 5, val, GENMASK(31, 0));
+}
+
enum rtw89_btc_btf_h2c_class {
BTFC_SET = 0x10,
BTFC_GET = 0x11,
diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c
index 061244a28f4b4..5b706611d5334 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.c
+++ b/drivers/net/wireless/realtek/rtw89/mac.c
@@ -1335,6 +1335,60 @@ static const struct rtw89_dle_mem *get_dle_mem_cfg(struct rtw89_dev *rtwdev,
return cfg;
}
+static bool mac_is_txq_empty(struct rtw89_dev *rtwdev)
+{
+ struct rtw89_mac_dle_dfi_qempty qempty;
+ u32 qnum, qtmp, val32, msk32;
+ int i, j, ret;
+
+ qnum = rtwdev->chip->wde_qempty_acq_num;
+ qempty.dle_type = DLE_CTRL_TYPE_WDE;
+
+ for (i = 0; i < qnum; i++) {
+ qempty.grpsel = i;
+ ret = dle_dfi_qempty(rtwdev, &qempty);
+ if (ret) {
+ rtw89_warn(rtwdev, "dle dfi acq empty %d\n", ret);
+ return false;
+ }
+ qtmp = qempty.qempty;
+ for (j = 0 ; j < QEMP_ACQ_GRP_MACID_NUM; j++) {
+ val32 = FIELD_GET(QEMP_ACQ_GRP_QSEL_MASK, qtmp);
+ if (val32 != QEMP_ACQ_GRP_QSEL_MASK)
+ return false;
+ qtmp >>= QEMP_ACQ_GRP_QSEL_SH;
+ }
+ }
+
+ qempty.grpsel = rtwdev->chip->wde_qempty_mgq_sel;
+ ret = dle_dfi_qempty(rtwdev, &qempty);
+ if (ret) {
+ rtw89_warn(rtwdev, "dle dfi mgq empty %d\n", ret);
+ return false;
+ }
+ msk32 = B_CMAC0_MGQ_NORMAL | B_CMAC0_MGQ_NO_PWRSAV | B_CMAC0_CPUMGQ;
+ if ((qempty.qempty & msk32) != msk32)
+ return false;
+
+ if (rtwdev->dbcc_en) {
+ msk32 |= B_CMAC1_MGQ_NORMAL | B_CMAC1_MGQ_NO_PWRSAV | B_CMAC1_CPUMGQ;
+ if ((qempty.qempty & msk32) != msk32)
+ return false;
+ }
+
+ msk32 = B_AX_WDE_EMPTY_QTA_DMAC_WLAN_CPU | B_AX_WDE_EMPTY_QTA_DMAC_DATA_CPU |
+ B_AX_PLE_EMPTY_QTA_DMAC_WLAN_CPU | B_AX_PLE_EMPTY_QTA_DMAC_H2C |
+ B_AX_WDE_EMPTY_QUE_OTHERS | B_AX_PLE_EMPTY_QUE_DMAC_MPDU_TX |
+ B_AX_WDE_EMPTY_QTA_DMAC_CPUIO | B_AX_PLE_EMPTY_QTA_DMAC_CPUIO |
+ B_AX_WDE_EMPTY_QUE_DMAC_PKTIN | B_AX_WDE_EMPTY_QTA_DMAC_HIF |
+ B_AX_PLE_EMPTY_QUE_DMAC_SEC_TX | B_AX_WDE_EMPTY_QTA_DMAC_PKTIN |
+ B_AX_PLE_EMPTY_QTA_DMAC_B0_TXPL | B_AX_PLE_EMPTY_QTA_DMAC_B1_TXPL |
+ B_AX_PLE_EMPTY_QTA_DMAC_MPDU_TX;
+ val32 = rtw89_read32(rtwdev, R_AX_DLE_EMPTY0);
+
+ return (val32 & msk32) == msk32;
+}
+
static inline u32 dle_used_size(const struct rtw89_dle_size *wde,
const struct rtw89_dle_size *ple)
{
@@ -4893,3 +4947,24 @@ void rtw89_mac_pkt_drop_vif(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif)
rtw89_mac_pkt_drop_vif_iter,
rtwvif);
}
+
+int rtw89_mac_ptk_drop_by_band_and_wait(struct rtw89_dev *rtwdev,
+ enum rtw89_mac_idx band)
+{
+ struct rtw89_pkt_drop_params params = {0};
+ bool empty;
+ int i, ret = 0, try_cnt = 3;
+
+ params.mac_band = band;
+ params.sel = RTW89_PKT_DROP_SEL_BAND_ONCE;
+
+ for (i = 0; i < try_cnt; i++) {
+ ret = read_poll_timeout(mac_is_txq_empty, empty, empty, 50,
+ 50000, false, rtwdev);
+ if (ret)
+ rtw89_fw_h2c_pkt_drop(rtwdev, ¶ms);
+ else
+ return 0;
+ }
+ return ret;
+}
diff --git a/drivers/net/wireless/realtek/rtw89/mac.h b/drivers/net/wireless/realtek/rtw89/mac.h
index 20211c4e62db5..e3b4c7830f440 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.h
+++ b/drivers/net/wireless/realtek/rtw89/mac.h
@@ -420,6 +420,17 @@ enum rtw89_mac_bf_rrsc_rate {
#define S_AX_PLE_PAGE_SEL_128 1
#define S_AX_PLE_PAGE_SEL_256 2
+#define B_CMAC0_MGQ_NORMAL BIT(2)
+#define B_CMAC0_MGQ_NO_PWRSAV BIT(3)
+#define B_CMAC0_CPUMGQ BIT(4)
+#define B_CMAC1_MGQ_NORMAL BIT(10)
+#define B_CMAC1_MGQ_NO_PWRSAV BIT(11)
+#define B_CMAC1_CPUMGQ BIT(12)
+
+#define QEMP_ACQ_GRP_MACID_NUM 8
+#define QEMP_ACQ_GRP_QSEL_SH 4
+#define QEMP_ACQ_GRP_QSEL_MASK 0xF
+
#define SDIO_LOCAL_BASE_ADDR 0x80000000
#define PWR_CMD_WRITE 0
@@ -1028,5 +1039,7 @@ u16 rtw89_mac_dle_buf_req(struct rtw89_dev *rtwdev, u16 buf_len, bool wd);
int rtw89_mac_set_cpuio(struct rtw89_dev *rtwdev,
struct rtw89_cpuio_ctrl *ctrl_para, bool wd);
int rtw89_mac_resize_ple_rx_quota(struct rtw89_dev *rtwdev, bool wow);
+int rtw89_mac_ptk_drop_by_band_and_wait(struct rtw89_dev *rtwdev,
+ enum rtw89_mac_idx band);
#endif
diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h
index 2b938d11d2381..33f2b67bfca37 100644
--- a/drivers/net/wireless/realtek/rtw89/reg.h
+++ b/drivers/net/wireless/realtek/rtw89/reg.h
@@ -545,6 +545,19 @@
#define B_AX_WDE_EMPTY_QUE_CMAC0_MBH BIT(1)
#define B_AX_WDE_EMPTY_QUE_CMAC0_ALL_AC BIT(0)
+#define R_AX_DLE_EMPTY1 0x8434
+#define B_AX_PLE_EMPTY_QTA_DMAC_WDRLS BIT(20)
+#define B_AX_PLE_EMPTY_QTA_CMAC1_DMA_BBRPT BIT(19)
+#define B_AX_PLE_EMPTY_QTA_CMAC1_DMA_RX BIT(18)
+#define B_AX_PLE_EMPTY_QTA_CMAC0_DMA_RX BIT(17)
+#define B_AX_PLE_EMPTY_QTA_DMAC_C2H BIT(16)
+#define B_AX_PLE_EMPTY_QUE_DMAC_PLRLS BIT(5)
+#define B_AX_PLE_EMPTY_QUE_DMAC_CPUIO BIT(4)
+#define B_AX_PLE_EMPTY_QUE_DMAC_SEC_RX BIT(3)
+#define B_AX_PLE_EMPTY_QUE_DMAC_MPDU_RX BIT(2)
+#define B_AX_PLE_EMPTY_QUE_DMAC_HDP BIT(1)
+#define B_AX_WDE_EMPTY_QUE_DMAC_WDRLS BIT(0)
+
#define R_AX_DMAC_ERR_IMR 0x8520
#define B_AX_DLE_CPUIO_ERR_INT_EN BIT(10)
#define B_AX_APB_BRIDGE_ERR_INT_EN BIT(9)
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852a.c b/drivers/net/wireless/realtek/rtw89/rtw8852a.c
index 375e84f5fe5c1..7995d720dc921 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852a.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852a.c
@@ -2049,6 +2049,8 @@ const struct rtw89_chip_info rtw8852a_chip_info = {
.rsvd_ple_ofst = 0x6f800,
.hfc_param_ini = rtw8852a_hfc_param_ini_pcie,
.dle_mem = rtw8852a_dle_mem_pcie,
+ .wde_qempty_acq_num = 16,
+ .wde_qempty_mgq_sel = 16,
.rf_base_addr = {0xc000, 0xd000},
.pwr_on_seq = pwr_on_seq_8852a,
.pwr_off_seq = pwr_off_seq_8852a,
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c.c b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
index f6bcac8268166..470e9e9cfafd6 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852c.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
@@ -2855,6 +2855,8 @@ const struct rtw89_chip_info rtw8852c_chip_info = {
.rsvd_ple_ofst = 0x6f800,
.hfc_param_ini = rtw8852c_hfc_param_ini_pcie,
.dle_mem = rtw8852c_dle_mem_pcie,
+ .wde_qempty_acq_num = 16,
+ .wde_qempty_mgq_sel = 16,
.rf_base_addr = {0xe000, 0xf000},
.pwr_on_seq = NULL,
.pwr_off_seq = NULL,
--
2.25.1
From: Chih-Kang Chang <[email protected]>
For WoWLAN mode, we need to download WoWLAN firmware by calling
fw_download(). Another, to disable/enable WiFi CPU is needed before
calling fw_download. Since Firmware runs on WiFi CPU, it is intuitive
to combine enable_cpu/disable_cpu functions into fw_download.
Signed-off-by: Chih-Kang Chang <[email protected]>
Signed-off-by: Ping-Ke Shih <[email protected]>
---
drivers/net/wireless/realtek/rtw89/fw.c | 5 +++++
drivers/net/wireless/realtek/rtw89/mac.c | 10 ++--------
drivers/net/wireless/realtek/rtw89/mac.h | 2 ++
3 files changed, 9 insertions(+), 8 deletions(-)
diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c
index d21f87e25ae1f..df0af5e0d49a5 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.c
+++ b/drivers/net/wireless/realtek/rtw89/fw.c
@@ -515,6 +515,11 @@ int rtw89_fw_download(struct rtw89_dev *rtwdev, enum rtw89_fw_type type)
u8 val;
int ret;
+ rtw89_mac_disable_cpu(rtwdev);
+ ret = rtw89_mac_enable_cpu(rtwdev, 0, true);
+ if (ret)
+ return ret;
+
if (!fw || !len) {
rtw89_err(rtwdev, "fw type %d isn't recognized\n", type);
return -ENOENT;
diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c
index 3531a859d6c8f..de9708eb97260 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.c
+++ b/drivers/net/wireless/realtek/rtw89/mac.c
@@ -3116,7 +3116,7 @@ static void rtw89_disable_fw_watchdog(struct rtw89_dev *rtwdev)
rtw89_mac_mem_write(rtwdev, R_AX_WDT_STATUS, val32, RTW89_MAC_MEM_CPU_LOCAL);
}
-static void rtw89_mac_disable_cpu(struct rtw89_dev *rtwdev)
+void rtw89_mac_disable_cpu(struct rtw89_dev *rtwdev)
{
clear_bit(RTW89_FLAG_FW_RDY, rtwdev->flags);
@@ -3131,8 +3131,7 @@ static void rtw89_mac_disable_cpu(struct rtw89_dev *rtwdev)
rtw89_write32_set(rtwdev, R_AX_PLATFORM_ENABLE, B_AX_PLATFORM_EN);
}
-static int rtw89_mac_enable_cpu(struct rtw89_dev *rtwdev, u8 boot_reason,
- bool dlfw)
+int rtw89_mac_enable_cpu(struct rtw89_dev *rtwdev, u8 boot_reason, bool dlfw)
{
u32 val;
int ret;
@@ -3271,11 +3270,6 @@ int rtw89_mac_partial_init(struct rtw89_dev *rtwdev)
return ret;
}
- rtw89_mac_disable_cpu(rtwdev);
- ret = rtw89_mac_enable_cpu(rtwdev, 0, true);
- if (ret)
- return ret;
-
ret = rtw89_fw_download(rtwdev, RTW89_FW_NORMAL);
if (ret)
return ret;
diff --git a/drivers/net/wireless/realtek/rtw89/mac.h b/drivers/net/wireless/realtek/rtw89/mac.h
index a6cbafb75a2b8..6e03f5e4ae246 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.h
+++ b/drivers/net/wireless/realtek/rtw89/mac.h
@@ -815,6 +815,8 @@ int rtw89_mac_port_update(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif);
void rtw89_mac_set_he_obss_narrow_bw_ru(struct rtw89_dev *rtwdev,
struct ieee80211_vif *vif);
int rtw89_mac_remove_vif(struct rtw89_dev *rtwdev, struct rtw89_vif *vif);
+void rtw89_mac_disable_cpu(struct rtw89_dev *rtwdev);
+int rtw89_mac_enable_cpu(struct rtw89_dev *rtwdev, u8 boot_reason, bool dlfw);
int rtw89_mac_enable_bb_rf(struct rtw89_dev *rtwdev);
int rtw89_mac_disable_bb_rf(struct rtw89_dev *rtwdev);
--
2.25.1
From: Chih-Kang Chang <[email protected]>
PLE RX quota, which is the setting of RX buffer, is needed to be adjusted
dynamically for WoWLAN mode, and restored when back to normal mode.
The action is not needed for rtw8852c chip.
Signed-off-by: Chih-Kang Chang <[email protected]>
Signed-off-by: Chin-Yen Lee <[email protected]>
Signed-off-by: Ping-Ke Shih <[email protected]>
---
drivers/net/wireless/realtek/rtw89/core.h | 1 +
drivers/net/wireless/realtek/rtw89/mac.c | 32 +++++++++++++++++++
drivers/net/wireless/realtek/rtw89/mac.h | 2 ++
drivers/net/wireless/realtek/rtw89/rtw8852a.c | 4 +++
4 files changed, 39 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index 90bf7bdb60628..10ccb047d6a06 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -2389,6 +2389,7 @@ enum rtw89_dma_ch {
enum rtw89_qta_mode {
RTW89_QTA_SCC,
RTW89_QTA_DLFW,
+ RTW89_QTA_WOW,
/* keep last */
RTW89_QTA_INVALID,
diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c
index de9708eb97260..061244a28f4b4 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.c
+++ b/drivers/net/wireless/realtek/rtw89/mac.c
@@ -1306,6 +1306,8 @@ const struct rtw89_mac_size_set rtw89_mac_size = {
.ple_qt47 = {525, 0, 32, 20, 1034, 13, 1199, 0, 1053, 62, 160, 1037,},
/* PCIE 64 */
.ple_qt58 = {147, 0, 16, 20, 157, 13, 229, 0, 172, 14, 24, 0,},
+ /* 8852A PCIE WOW */
+ .ple_qt_52a_wow = {264, 0, 32, 20, 64, 13, 1005, 0, 64, 128, 120,},
};
EXPORT_SYMBOL(rtw89_mac_size);
@@ -1478,6 +1480,36 @@ static void ple_quota_cfg(struct rtw89_dev *rtwdev,
SET_QUOTA(tx_rpt, PLE, 11);
}
+int rtw89_mac_resize_ple_rx_quota(struct rtw89_dev *rtwdev, bool wow)
+{
+ const struct rtw89_ple_quota *min_cfg, *max_cfg;
+ const struct rtw89_dle_mem *cfg;
+ u32 val;
+
+ if (rtwdev->chip->chip_id == RTL8852C)
+ return 0;
+
+ if (rtwdev->mac.qta_mode != RTW89_QTA_SCC) {
+ rtw89_err(rtwdev, "[ERR]support SCC mode only\n");
+ return -EINVAL;
+ }
+
+ if (wow)
+ cfg = get_dle_mem_cfg(rtwdev, RTW89_QTA_WOW);
+ else
+ cfg = get_dle_mem_cfg(rtwdev, RTW89_QTA_SCC);
+ if (!cfg) {
+ rtw89_err(rtwdev, "[ERR]get_dle_mem_cfg\n");
+ return -EINVAL;
+ }
+
+ min_cfg = cfg->ple_min_qt;
+ max_cfg = cfg->ple_max_qt;
+ SET_QUOTA(cma0_dma, PLE, 6);
+ SET_QUOTA(cma1_dma, PLE, 7);
+
+ return 0;
+}
#undef SET_QUOTA
static void dle_quota_cfg(struct rtw89_dev *rtwdev,
diff --git a/drivers/net/wireless/realtek/rtw89/mac.h b/drivers/net/wireless/realtek/rtw89/mac.h
index 6e03f5e4ae246..20211c4e62db5 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.h
+++ b/drivers/net/wireless/realtek/rtw89/mac.h
@@ -719,6 +719,7 @@ struct rtw89_mac_size_set {
const struct rtw89_ple_quota ple_qt46;
const struct rtw89_ple_quota ple_qt47;
const struct rtw89_ple_quota ple_qt58;
+ const struct rtw89_ple_quota ple_qt_52a_wow;
};
extern const struct rtw89_mac_size_set rtw89_mac_size;
@@ -1026,5 +1027,6 @@ void rtw89_mac_pkt_drop_vif(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif);
u16 rtw89_mac_dle_buf_req(struct rtw89_dev *rtwdev, u16 buf_len, bool wd);
int rtw89_mac_set_cpuio(struct rtw89_dev *rtwdev,
struct rtw89_cpuio_ctrl *ctrl_para, bool wd);
+int rtw89_mac_resize_ple_rx_quota(struct rtw89_dev *rtwdev, bool wow);
#endif
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852a.c b/drivers/net/wireless/realtek/rtw89/rtw8852a.c
index b5aa8697a0982..375e84f5fe5c1 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852a.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852a.c
@@ -48,6 +48,10 @@ static const struct rtw89_dle_mem rtw8852a_dle_mem_pcie[] = {
&rtw89_mac_size.ple_size0, &rtw89_mac_size.wde_qt0,
&rtw89_mac_size.wde_qt0, &rtw89_mac_size.ple_qt4,
&rtw89_mac_size.ple_qt5},
+ [RTW89_QTA_WOW] = {RTW89_QTA_WOW, &rtw89_mac_size.wde_size0,
+ &rtw89_mac_size.ple_size0, &rtw89_mac_size.wde_qt0,
+ &rtw89_mac_size.wde_qt0, &rtw89_mac_size.ple_qt4,
+ &rtw89_mac_size.ple_qt_52a_wow},
[RTW89_QTA_DLFW] = {RTW89_QTA_DLFW, &rtw89_mac_size.wde_size4,
&rtw89_mac_size.ple_size4, &rtw89_mac_size.wde_qt4,
&rtw89_mac_size.wde_qt4, &rtw89_mac_size.ple_qt13,
--
2.25.1
From: Chin-Yen Lee <[email protected]>
In this patch we define some H2C, which will be called during suspend
flow, to enable WoWLAN function provided by WoWLAN firmware.
These H2C includes keep alive used to send null packet to AP periodically
to avoid being disconnected by AP, disconnect detection used to configure
how we check if AP is offline, wake up control used to decide which WiFi
events could trigger resume flow, and global control used to enable WoWLAN
function.
Signed-off-by: Chin-Yen Lee <[email protected]>
Signed-off-by: Ping-Ke Shih <[email protected]>
---
drivers/net/wireless/realtek/rtw89/core.h | 30 +++
drivers/net/wireless/realtek/rtw89/fw.c | 229 ++++++++++++++++++++++
drivers/net/wireless/realtek/rtw89/fw.h | 160 +++++++++++++++
3 files changed, 419 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index 6b6bb3260fff4..d20cb3ae89e98 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -477,6 +477,20 @@ enum rtw89_regulation_type {
RTW89_REGD_NUM,
};
+enum rtw89_fw_pkt_ofld_type {
+ RTW89_PKT_OFLD_TYPE_PROBE_RSP = 0,
+ RTW89_PKT_OFLD_TYPE_PS_POLL = 1,
+ RTW89_PKT_OFLD_TYPE_NULL_DATA = 2,
+ RTW89_PKT_OFLD_TYPE_QOS_NULL = 3,
+ RTW89_PKT_OFLD_TYPE_CTS2SELF = 4,
+ RTW89_PKT_OFLD_TYPE_ARP_RSP = 5,
+ RTW89_PKT_OFLD_TYPE_NDP = 6,
+ RTW89_PKT_OFLD_TYPE_EAPOL_KEY = 7,
+ RTW89_PKT_OFLD_TYPE_SA_QUERY = 8,
+ RTW89_PKT_OFLD_TYPE_PROBE_REQ = 12,
+ RTW89_PKT_OFLD_TYPE_NUM,
+};
+
struct rtw89_txpwr_byrate {
s8 cck[RTW89_RATE_CCK_MAX];
s8 ofdm[RTW89_RATE_OFDM_MAX];
@@ -636,6 +650,13 @@ enum rtw89_sc_offset {
RTW89_SC_40_LOWER = 10,
};
+enum rtw89_wow_flags {
+ RTW89_WOW_FLAG_EN_MAGIC_PKT,
+ RTW89_WOW_FLAG_EN_REKEY_PKT,
+ RTW89_WOW_FLAG_EN_DISCONNECT,
+ RTW89_WOW_FLAG_NUM,
+};
+
struct rtw89_chan {
u8 channel;
u8 primary_channel;
@@ -3453,6 +3474,13 @@ struct rtw89_phy_efuse_gain {
s8 comp[RF_PATH_MAX][RTW89_SUBBAND_NR]; /* S(8, 0) */
};
+struct rtw89_wow_param {
+ struct ieee80211_vif *wow_vif;
+ DECLARE_BITMAP(flags, RTW89_WOW_FLAG_NUM);
+ u8 pattern_cnt;
+ struct list_head pkt_list;
+};
+
struct rtw89_dev {
struct ieee80211_hw *hw;
struct device *dev;
@@ -3541,6 +3569,8 @@ struct rtw89_dev {
enum rtw89_ps_mode ps_mode;
bool lps_enabled;
+ struct rtw89_wow_param wow;
+
/* napi structure */
struct net_device netdev;
struct napi_struct napi;
diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c
index 3f3f32bc98f1f..dc632b33fc7c2 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.c
+++ b/drivers/net/wireless/realtek/rtw89/fw.c
@@ -853,6 +853,56 @@ int rtw89_fw_h2c_fw_log(struct rtw89_dev *rtwdev, bool enable)
return ret;
}
+static int rtw89_fw_h2c_add_wow_fw_ofld(struct rtw89_dev *rtwdev,
+ struct rtw89_vif *rtwvif,
+ enum rtw89_fw_pkt_ofld_type type,
+ u8 *id)
+{
+ struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
+ struct rtw89_wow_param *rtw_wow = &rtwdev->wow;
+ struct rtw89_pktofld_info *info;
+ struct sk_buff *skb;
+ int ret;
+
+ info = kzalloc(sizeof(*info), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+
+ switch (type) {
+ case RTW89_PKT_OFLD_TYPE_PS_POLL:
+ skb = ieee80211_pspoll_get(rtwdev->hw, vif);
+ break;
+ case RTW89_PKT_OFLD_TYPE_PROBE_RSP:
+ skb = ieee80211_proberesp_get(rtwdev->hw, vif);
+ break;
+ case RTW89_PKT_OFLD_TYPE_NULL_DATA:
+ skb = ieee80211_nullfunc_get(rtwdev->hw, vif, -1, false);
+ break;
+ case RTW89_PKT_OFLD_TYPE_QOS_NULL:
+ skb = ieee80211_nullfunc_get(rtwdev->hw, vif, -1, true);
+ break;
+ default:
+ goto err;
+ }
+
+ if (!skb)
+ goto err;
+
+ list_add_tail(&info->list, &rtw_wow->pkt_list);
+ ret = rtw89_fw_h2c_add_pkt_offload(rtwdev, &info->id, skb);
+ kfree_skb(skb);
+
+ if (ret)
+ return ret;
+
+ *id = info->id;
+ return 0;
+
+err:
+ kfree(info);
+ return -ENOMEM;
+}
+
#define H2C_GENERAL_PKT_LEN 6
#define H2C_GENERAL_PKT_ID_UND 0xff
int rtw89_fw_h2c_general_pkt(struct rtw89_dev *rtwdev, u8 macid)
@@ -2926,3 +2976,182 @@ int rtw89_fw_h2c_pkt_drop(struct rtw89_dev *rtwdev,
dev_kfree_skb_any(skb);
return ret;
}
+
+#define H2C_KEEP_ALIVE_LEN 4
+int rtw89_fw_h2c_keep_alive(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif,
+ bool enable)
+{
+ struct sk_buff *skb;
+ u8 pkt_id = 0;
+ int ret;
+
+ if (enable) {
+ ret = rtw89_fw_h2c_add_wow_fw_ofld(rtwdev, rtwvif,
+ RTW89_PKT_OFLD_TYPE_NULL_DATA, &pkt_id);
+ if (ret)
+ return -EPERM;
+ }
+
+ skb = rtw89_fw_h2c_alloc_skb_with_hdr(rtwdev, H2C_KEEP_ALIVE_LEN);
+ if (!skb) {
+ rtw89_err(rtwdev, "failed to alloc skb for keep alive\n");
+ return -ENOMEM;
+ }
+
+ skb_put(skb, H2C_KEEP_ALIVE_LEN);
+
+ RTW89_SET_KEEP_ALIVE_ENABLE(skb->data, enable);
+ RTW89_SET_KEEP_ALIVE_PKT_NULL_ID(skb->data, pkt_id);
+ RTW89_SET_KEEP_ALIVE_PERIOD(skb->data, 5);
+ RTW89_SET_KEEP_ALIVE_MACID(skb->data, rtwvif->mac_id);
+
+ rtw89_h2c_pkt_set_hdr(rtwdev, skb, FWCMD_TYPE_H2C,
+ H2C_CAT_MAC,
+ H2C_CL_MAC_WOW,
+ H2C_FUNC_KEEP_ALIVE, 0, 1,
+ H2C_KEEP_ALIVE_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;
+}
+
+#define H2C_DISCONNECT_DETECT_LEN 8
+int rtw89_fw_h2c_disconnect_detect(struct rtw89_dev *rtwdev,
+ struct rtw89_vif *rtwvif, bool enable)
+{
+ struct rtw89_wow_param *rtw_wow = &rtwdev->wow;
+ struct sk_buff *skb;
+ u8 macid = rtwvif->mac_id;
+ int ret;
+
+ skb = rtw89_fw_h2c_alloc_skb_with_hdr(rtwdev, H2C_DISCONNECT_DETECT_LEN);
+ if (!skb) {
+ rtw89_err(rtwdev, "failed to alloc skb for keep alive\n");
+ return -ENOMEM;
+ }
+
+ skb_put(skb, H2C_DISCONNECT_DETECT_LEN);
+
+ if (test_bit(RTW89_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) {
+ RTW89_SET_DISCONNECT_DETECT_ENABLE(skb->data, enable);
+ RTW89_SET_DISCONNECT_DETECT_DISCONNECT(skb->data, !enable);
+ RTW89_SET_DISCONNECT_DETECT_MAC_ID(skb->data, macid);
+ RTW89_SET_DISCONNECT_DETECT_CHECK_PERIOD(skb->data, 100);
+ RTW89_SET_DISCONNECT_DETECT_TRY_PKT_COUNT(skb->data, 5);
+ }
+
+ rtw89_h2c_pkt_set_hdr(rtwdev, skb, FWCMD_TYPE_H2C,
+ H2C_CAT_MAC,
+ H2C_CL_MAC_WOW,
+ H2C_FUNC_DISCONNECT_DETECT, 0, 1,
+ H2C_DISCONNECT_DETECT_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;
+}
+
+#define H2C_WOW_GLOBAL_LEN 8
+int rtw89_fw_h2c_wow_global(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif,
+ bool enable)
+{
+ struct sk_buff *skb;
+ u8 macid = rtwvif->mac_id;
+ int ret;
+
+ skb = rtw89_fw_h2c_alloc_skb_with_hdr(rtwdev, H2C_WOW_GLOBAL_LEN);
+ if (!skb) {
+ rtw89_err(rtwdev, "failed to alloc skb for keep alive\n");
+ return -ENOMEM;
+ }
+
+ skb_put(skb, H2C_WOW_GLOBAL_LEN);
+
+ RTW89_SET_WOW_GLOBAL_ENABLE(skb->data, enable);
+ RTW89_SET_WOW_GLOBAL_MAC_ID(skb->data, macid);
+
+ rtw89_h2c_pkt_set_hdr(rtwdev, skb, FWCMD_TYPE_H2C,
+ H2C_CAT_MAC,
+ H2C_CL_MAC_WOW,
+ H2C_FUNC_WOW_GLOBAL, 0, 1,
+ H2C_WOW_GLOBAL_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;
+}
+
+#define H2C_WAKEUP_CTRL_LEN 4
+int rtw89_fw_h2c_wow_wakeup_ctrl(struct rtw89_dev *rtwdev,
+ struct rtw89_vif *rtwvif,
+ bool enable)
+{
+ struct rtw89_wow_param *rtw_wow = &rtwdev->wow;
+ struct sk_buff *skb;
+ u8 macid = rtwvif->mac_id;
+ int ret;
+
+ skb = rtw89_fw_h2c_alloc_skb_with_hdr(rtwdev, H2C_WAKEUP_CTRL_LEN);
+ if (!skb) {
+ rtw89_err(rtwdev, "failed to alloc skb for keep alive\n");
+ return -ENOMEM;
+ }
+
+ skb_put(skb, H2C_WAKEUP_CTRL_LEN);
+
+ if (rtw_wow->pattern_cnt)
+ RTW89_SET_WOW_WAKEUP_CTRL_PATTERN_MATCH_ENABLE(skb->data, enable);
+ if (test_bit(RTW89_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags))
+ RTW89_SET_WOW_WAKEUP_CTRL_MAGIC_ENABLE(skb->data, enable);
+ if (test_bit(RTW89_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags))
+ RTW89_SET_WOW_WAKEUP_CTRL_DEAUTH_ENABLE(skb->data, enable);
+
+ RTW89_SET_WOW_WAKEUP_CTRL_MAC_ID(skb->data, macid);
+
+ rtw89_h2c_pkt_set_hdr(rtwdev, skb, FWCMD_TYPE_H2C,
+ H2C_CAT_MAC,
+ H2C_CL_MAC_WOW,
+ H2C_FUNC_WAKEUP_CTRL, 0, 1,
+ H2C_WAKEUP_CTRL_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;
+}
diff --git a/drivers/net/wireless/realtek/rtw89/fw.h b/drivers/net/wireless/realtek/rtw89/fw.h
index 10a9ca4da0df0..d83009fc6a207 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.h
+++ b/drivers/net/wireless/realtek/rtw89/fw.h
@@ -1881,6 +1881,146 @@ static inline void RTW89_SET_FWCMD_PKT_DROP_MACID_BAND_SEL_3(void *cmd, u32 val)
le32p_replace_bits((__le32 *)cmd + 5, val, GENMASK(31, 0));
}
+static inline void RTW89_SET_KEEP_ALIVE_ENABLE(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, GENMASK(1, 0));
+}
+
+static inline void RTW89_SET_KEEP_ALIVE_PKT_NULL_ID(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, GENMASK(15, 8));
+}
+
+static inline void RTW89_SET_KEEP_ALIVE_PERIOD(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, GENMASK(24, 16));
+}
+
+static inline void RTW89_SET_KEEP_ALIVE_MACID(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, GENMASK(31, 24));
+}
+
+static inline void RTW89_SET_DISCONNECT_DETECT_ENABLE(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, BIT(0));
+}
+
+static inline void RTW89_SET_DISCONNECT_DETECT_TRYOK_BCNFAIL_COUNT_EN(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, BIT(1));
+}
+
+static inline void RTW89_SET_DISCONNECT_DETECT_DISCONNECT(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, BIT(2));
+}
+
+static inline void RTW89_SET_DISCONNECT_DETECT_MAC_ID(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, GENMASK(15, 8));
+}
+
+static inline void RTW89_SET_DISCONNECT_DETECT_CHECK_PERIOD(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, GENMASK(23, 16));
+}
+
+static inline void RTW89_SET_DISCONNECT_DETECT_TRY_PKT_COUNT(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, GENMASK(31, 24));
+}
+
+static inline void RTW89_SET_DISCONNECT_DETECT_TRYOK_BCNFAIL_COUNT_LIMIT(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)(h2c) + 1, val, GENMASK(7, 0));
+}
+
+static inline void RTW89_SET_WOW_GLOBAL_ENABLE(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, BIT(0));
+}
+
+static inline void RTW89_SET_WOW_GLOBAL_DROP_ALL_PKT(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, BIT(1));
+}
+
+static inline void RTW89_SET_WOW_GLOBAL_RX_PARSE_AFTER_WAKE(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, BIT(2));
+}
+
+static inline void RTW89_SET_WOW_GLOBAL_WAKE_BAR_PULLED(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, BIT(3));
+}
+
+static inline void RTW89_SET_WOW_GLOBAL_MAC_ID(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, GENMASK(15, 8));
+}
+
+static inline void RTW89_SET_WOW_GLOBAL_PAIRWISE_SEC_ALGO(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, GENMASK(23, 16));
+}
+
+static inline void RTW89_SET_WOW_GLOBAL_GROUP_SEC_ALGO(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, GENMASK(31, 24));
+}
+
+static inline void RTW89_SET_WOW_GLOBAL_REMOTECTRL_INFO_CONTENT(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)(h2c) + 1, val, GENMASK(31, 0));
+}
+
+static inline void RTW89_SET_WOW_WAKEUP_CTRL_PATTERN_MATCH_ENABLE(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, BIT(0));
+}
+
+static inline void RTW89_SET_WOW_WAKEUP_CTRL_MAGIC_ENABLE(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, BIT(1));
+}
+
+static inline void RTW89_SET_WOW_WAKEUP_CTRL_HW_UNICAST_ENABLE(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, BIT(2));
+}
+
+static inline void RTW89_SET_WOW_WAKEUP_CTRL_FW_UNICAST_ENABLE(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, BIT(3));
+}
+
+static inline void RTW89_SET_WOW_WAKEUP_CTRL_DEAUTH_ENABLE(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, BIT(4));
+}
+
+static inline void RTW89_SET_WOW_WAKEUP_CTRL_REKEYP_ENABLE(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, BIT(5));
+}
+
+static inline void RTW89_SET_WOW_WAKEUP_CTRL_EAP_ENABLE(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, BIT(6));
+}
+
+static inline void RTW89_SET_WOW_WAKEUP_CTRL_ALL_DATA_ENABLE(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, BIT(7));
+}
+
+static inline void RTW89_SET_WOW_WAKEUP_CTRL_MAC_ID(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, GENMASK(31, 24));
+}
+
enum rtw89_btc_btf_h2c_class {
BTFC_SET = 0x10,
BTFC_GET = 0x11,
@@ -2697,6 +2837,14 @@ struct rtw89_fw_h2c_rf_reg_info {
#define H2C_FUNC_LOG_CFG 0x0
#define H2C_FUNC_MAC_GENERAL_PKT 0x1
+/* CLASS 1 - WOW */
+#define H2C_CL_MAC_WOW 0x1
+#define H2C_FUNC_KEEP_ALIVE 0x0
+#define H2C_FUNC_DISCONNECT_DETECT 0x1
+#define H2C_FUNC_WOW_GLOBAL 0x2
+#define H2C_FUNC_WAKEUP_CTRL 0x8
+#define H2C_FUNC_WOW_CAM_UPD 0xC
+
/* CLASS 2 - PS */
#define H2C_CL_MAC_PS 0x2
#define H2C_FUNC_MAC_LPS_PARM 0x0
@@ -2866,6 +3014,18 @@ int rtw89_fw_h2c_p2p_act(struct rtw89_dev *rtwdev, struct ieee80211_vif *vif,
u8 act, u8 noa_id);
int rtw89_fw_h2c_tsf32_toggle(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif,
bool en);
+int rtw89_fw_h2c_wow_global(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif,
+ bool enable);
+int rtw89_fw_h2c_wow_wakeup_ctrl(struct rtw89_dev *rtwdev,
+ struct rtw89_vif *rtwvif, bool enable);
+int rtw89_fw_h2c_keep_alive(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif,
+ bool enable);
+int rtw89_fw_h2c_disconnect_detect(struct rtw89_dev *rtwdev,
+ struct rtw89_vif *rtwvif, bool enable);
+int rtw89_fw_h2c_wow_global(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif,
+ bool enable);
+int rtw89_fw_h2c_wow_wakeup_ctrl(struct rtw89_dev *rtwdev,
+ struct rtw89_vif *rtwvif, bool enable);
static inline void rtw89_fw_h2c_init_ba_cam(struct rtw89_dev *rtwdev)
{
--
2.25.1
From: Chin-Yen Lee <[email protected]>
Pattern match is an option of WoWLAN to allow the device to be woken up
from suspend mode when receiving packets matched user-designed patterns.
The patterns are written into hardware via WoWLAN firmware in suspend
flow if users have set up them. If packets matched designed pattern are
received, WoWLAN firmware will send an interrupt and then wake up the
device.
Signed-off-by: Chin-Yen Lee <[email protected]>
Signed-off-by: Ping-Ke Shih <[email protected]>
---
drivers/net/wireless/realtek/rtw89/core.h | 18 ++
drivers/net/wireless/realtek/rtw89/fw.c | 52 ++++
drivers/net/wireless/realtek/rtw89/fw.h | 67 +++++
drivers/net/wireless/realtek/rtw89/rtw8852a.c | 3 +
drivers/net/wireless/realtek/rtw89/rtw8852c.c | 3 +
drivers/net/wireless/realtek/rtw89/util.h | 11 +
drivers/net/wireless/realtek/rtw89/wow.c | 228 +++++++++++++++++-
7 files changed, 381 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index 9f80359e27aa2..b60de6662548b 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -3489,9 +3489,27 @@ struct rtw89_phy_efuse_gain {
s8 comp[RF_PATH_MAX][RTW89_SUBBAND_NR]; /* S(8, 0) */
};
+#define RTW89_MAX_PATTERN_NUM 18
+#define RTW89_MAX_PATTERN_MASK_SIZE 4
+#define RTW89_MAX_PATTERN_SIZE 128
+
+struct rtw89_wow_cam_info {
+ bool r_w;
+ u8 idx;
+ u32 mask[RTW89_MAX_PATTERN_MASK_SIZE];
+ u16 crc;
+ bool negative_pattern_match;
+ bool skip_mac_hdr;
+ bool uc;
+ bool mc;
+ bool bc;
+ bool valid;
+};
+
struct rtw89_wow_param {
struct ieee80211_vif *wow_vif;
DECLARE_BITMAP(flags, RTW89_WOW_FLAG_NUM);
+ struct rtw89_wow_cam_info patterns[RTW89_MAX_PATTERN_NUM];
u8 pattern_cnt;
struct list_head pkt_list;
};
diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c
index dc632b33fc7c2..85883047943e3 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.c
+++ b/drivers/net/wireless/realtek/rtw89/fw.c
@@ -3155,3 +3155,55 @@ int rtw89_fw_h2c_wow_wakeup_ctrl(struct rtw89_dev *rtwdev,
return ret;
}
+
+#define H2C_WOW_CAM_UPD_LEN 24
+int rtw89_fw_wow_cam_update(struct rtw89_dev *rtwdev,
+ struct rtw89_wow_cam_info *cam_info)
+{
+ struct sk_buff *skb;
+ int ret;
+
+ skb = rtw89_fw_h2c_alloc_skb_with_hdr(rtwdev, H2C_WOW_CAM_UPD_LEN);
+ if (!skb) {
+ rtw89_err(rtwdev, "failed to alloc skb for keep alive\n");
+ return -ENOMEM;
+ }
+
+ skb_put(skb, H2C_WOW_CAM_UPD_LEN);
+
+ RTW89_SET_WOW_CAM_UPD_R_W(skb->data, cam_info->r_w);
+ RTW89_SET_WOW_CAM_UPD_IDX(skb->data, cam_info->idx);
+ if (cam_info->valid) {
+ RTW89_SET_WOW_CAM_UPD_WKFM1(skb->data, cam_info->mask[0]);
+ RTW89_SET_WOW_CAM_UPD_WKFM2(skb->data, cam_info->mask[1]);
+ RTW89_SET_WOW_CAM_UPD_WKFM3(skb->data, cam_info->mask[2]);
+ RTW89_SET_WOW_CAM_UPD_WKFM4(skb->data, cam_info->mask[3]);
+ RTW89_SET_WOW_CAM_UPD_CRC(skb->data, cam_info->crc);
+ RTW89_SET_WOW_CAM_UPD_NEGATIVE_PATTERN_MATCH(skb->data,
+ cam_info->negative_pattern_match);
+ RTW89_SET_WOW_CAM_UPD_SKIP_MAC_HDR(skb->data,
+ cam_info->skip_mac_hdr);
+ RTW89_SET_WOW_CAM_UPD_UC(skb->data, cam_info->uc);
+ RTW89_SET_WOW_CAM_UPD_MC(skb->data, cam_info->mc);
+ RTW89_SET_WOW_CAM_UPD_BC(skb->data, cam_info->bc);
+ }
+ RTW89_SET_WOW_CAM_UPD_VALID(skb->data, cam_info->valid);
+
+ rtw89_h2c_pkt_set_hdr(rtwdev, skb, FWCMD_TYPE_H2C,
+ H2C_CAT_MAC,
+ H2C_CL_MAC_WOW,
+ H2C_FUNC_WOW_CAM_UPD, 0, 1,
+ H2C_WOW_CAM_UPD_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;
+}
diff --git a/drivers/net/wireless/realtek/rtw89/fw.h b/drivers/net/wireless/realtek/rtw89/fw.h
index d83009fc6a207..6a9e92f8d4292 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.h
+++ b/drivers/net/wireless/realtek/rtw89/fw.h
@@ -2021,6 +2021,71 @@ static inline void RTW89_SET_WOW_WAKEUP_CTRL_MAC_ID(void *h2c, u32 val)
le32p_replace_bits((__le32 *)h2c, val, GENMASK(31, 24));
}
+static inline void RTW89_SET_WOW_CAM_UPD_R_W(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, BIT(0));
+}
+
+static inline void RTW89_SET_WOW_CAM_UPD_IDX(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c, val, GENMASK(7, 1));
+}
+
+static inline void RTW89_SET_WOW_CAM_UPD_WKFM1(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c + 1, val, GENMASK(31, 0));
+}
+
+static inline void RTW89_SET_WOW_CAM_UPD_WKFM2(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c + 2, val, GENMASK(31, 0));
+}
+
+static inline void RTW89_SET_WOW_CAM_UPD_WKFM3(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c + 3, val, GENMASK(31, 0));
+}
+
+static inline void RTW89_SET_WOW_CAM_UPD_WKFM4(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c + 4, val, GENMASK(31, 0));
+}
+
+static inline void RTW89_SET_WOW_CAM_UPD_CRC(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c + 5, val, GENMASK(15, 0));
+}
+
+static inline void RTW89_SET_WOW_CAM_UPD_NEGATIVE_PATTERN_MATCH(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c + 5, val, BIT(22));
+}
+
+static inline void RTW89_SET_WOW_CAM_UPD_SKIP_MAC_HDR(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c + 5, val, BIT(23));
+}
+
+static inline void RTW89_SET_WOW_CAM_UPD_UC(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c + 5, val, BIT(24));
+}
+
+static inline void RTW89_SET_WOW_CAM_UPD_MC(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c + 5, val, BIT(25));
+}
+
+static inline void RTW89_SET_WOW_CAM_UPD_BC(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c + 5, val, BIT(26));
+}
+
+static inline void RTW89_SET_WOW_CAM_UPD_VALID(void *h2c, u32 val)
+{
+ le32p_replace_bits((__le32 *)h2c + 5, val, BIT(31));
+}
+
enum rtw89_btc_btf_h2c_class {
BTFC_SET = 0x10,
BTFC_GET = 0x11,
@@ -3027,6 +3092,8 @@ int rtw89_fw_h2c_wow_global(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif,
int rtw89_fw_h2c_wow_wakeup_ctrl(struct rtw89_dev *rtwdev,
struct rtw89_vif *rtwvif, bool enable);
+int rtw89_fw_wow_cam_update(struct rtw89_dev *rtwdev,
+ struct rtw89_wow_cam_info *cam_info);
static inline void rtw89_fw_h2c_init_ba_cam(struct rtw89_dev *rtwdev)
{
const struct rtw89_chip_info *chip = rtwdev->chip;
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852a.c b/drivers/net/wireless/realtek/rtw89/rtw8852a.c
index becce3b48f518..4cea5fb4327d7 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852a.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852a.c
@@ -1993,6 +1993,9 @@ static void rtw8852a_query_ppdu(struct rtw89_dev *rtwdev,
#ifdef CONFIG_PM
static const struct wiphy_wowlan_support rtw_wowlan_stub_8852a = {
.flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
+ .n_patterns = RTW89_MAX_PATTERN_NUM,
+ .pattern_max_len = RTW89_MAX_PATTERN_SIZE,
+ .pattern_min_len = 1,
};
#endif
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c.c b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
index c731901bc90b3..c25103e06253a 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852c.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
@@ -2799,6 +2799,9 @@ static int rtw8852c_mac_disable_bb_rf(struct rtw89_dev *rtwdev)
#ifdef CONFIG_PM
static const struct wiphy_wowlan_support rtw_wowlan_stub_8852c = {
.flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
+ .n_patterns = RTW89_MAX_PATTERN_NUM,
+ .pattern_max_len = RTW89_MAX_PATTERN_SIZE,
+ .pattern_min_len = 1,
};
#endif
diff --git a/drivers/net/wireless/realtek/rtw89/util.h b/drivers/net/wireless/realtek/rtw89/util.h
index 1ae80b7561daa..e2ed4565025dd 100644
--- a/drivers/net/wireless/realtek/rtw89/util.h
+++ b/drivers/net/wireless/realtek/rtw89/util.h
@@ -44,4 +44,15 @@ static inline s32 s32_div_u32_round_closest(s32 dividend, u32 divisor)
return s32_div_u32_round_down(dividend + divisor / 2, divisor, NULL);
}
+static inline void ether_addr_copy_mask(u8 *dst, const u8 *src, u8 mask)
+{
+ int i;
+
+ eth_zero_addr(dst);
+ for (i = 0; i < ETH_ALEN; i++) {
+ if (mask & BIT(i))
+ dst[i] = src[i];
+ }
+}
+
#endif
diff --git a/drivers/net/wireless/realtek/rtw89/wow.c b/drivers/net/wireless/realtek/rtw89/wow.c
index 2570a05ef0e7a..16717f3b86872 100644
--- a/drivers/net/wireless/realtek/rtw89/wow.c
+++ b/drivers/net/wireless/realtek/rtw89/wow.c
@@ -162,6 +162,227 @@ static void rtw89_wow_vif_iter(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvi
}
}
+static u16 __rtw89_cal_crc16(u8 data, u16 crc)
+{
+ u8 shift_in, data_bit;
+ u8 crc_bit4, crc_bit11, crc_bit15;
+ u16 crc_result;
+ int index;
+
+ for (index = 0; index < 8; index++) {
+ crc_bit15 = crc & BIT(15) ? 1 : 0;
+ data_bit = data & BIT(index) ? 1 : 0;
+ shift_in = crc_bit15 ^ data_bit;
+
+ crc_result = crc << 1;
+
+ if (shift_in == 0)
+ crc_result &= ~BIT(0);
+ else
+ crc_result |= BIT(0);
+
+ crc_bit11 = (crc & BIT(11) ? 1 : 0) ^ shift_in;
+
+ if (crc_bit11 == 0)
+ crc_result &= ~BIT(12);
+ else
+ crc_result |= BIT(12);
+
+ crc_bit4 = (crc & BIT(4) ? 1 : 0) ^ shift_in;
+
+ if (crc_bit4 == 0)
+ crc_result &= ~BIT(5);
+ else
+ crc_result |= BIT(5);
+
+ crc = crc_result;
+ }
+ return crc;
+}
+
+static u16 rtw89_calc_crc(u8 *pdata, int length)
+{
+ u16 crc = 0xffff;
+ int i;
+
+ for (i = 0; i < length; i++)
+ crc = __rtw89_cal_crc16(pdata[i], crc);
+
+ /* get 1' complement */
+ return ~crc;
+}
+
+static int rtw89_wow_pattern_get_type(struct rtw89_vif *rtwvif,
+ struct rtw89_wow_cam_info *rtw_pattern,
+ const u8 *pattern, u8 da_mask)
+{
+ u8 da[ETH_ALEN];
+
+ ether_addr_copy_mask(da, pattern, da_mask);
+
+ /* Each pattern is divided into different kinds by DA address
+ * a. DA is broadcast address: set bc = 0;
+ * b. DA is multicast address: set mc = 0
+ * c. DA is unicast address same as dev's mac address: set uc = 0
+ * d. DA is unmasked. Also called wildcard type: set uc = bc = mc = 0
+ * e. Others is invalid type.
+ */
+
+ if (is_broadcast_ether_addr(da))
+ rtw_pattern->bc = true;
+ else if (is_multicast_ether_addr(da))
+ rtw_pattern->mc = true;
+ else if (ether_addr_equal(da, rtwvif->mac_addr) &&
+ da_mask == GENMASK(5, 0))
+ rtw_pattern->uc = true;
+ else if (!da_mask) /*da_mask == 0 mean wildcard*/
+ return 0;
+ else
+ return -EPERM;
+
+ return 0;
+}
+
+static int rtw89_wow_pattern_generate(struct rtw89_dev *rtwdev,
+ struct rtw89_vif *rtwvif,
+ const struct cfg80211_pkt_pattern *pkt_pattern,
+ struct rtw89_wow_cam_info *rtw_pattern)
+{
+ u8 mask_hw[RTW89_MAX_PATTERN_MASK_SIZE * 4] = {0};
+ u8 content[RTW89_MAX_PATTERN_SIZE] = {0};
+ const u8 *mask;
+ const u8 *pattern;
+ u8 mask_len;
+ u16 count;
+ u32 len;
+ int i, ret;
+
+ pattern = pkt_pattern->pattern;
+ len = pkt_pattern->pattern_len;
+ mask = pkt_pattern->mask;
+ mask_len = DIV_ROUND_UP(len, 8);
+ memset(rtw_pattern, 0, sizeof(*rtw_pattern));
+
+ ret = rtw89_wow_pattern_get_type(rtwvif, rtw_pattern, pattern,
+ mask[0] & GENMASK(5, 0));
+ if (ret)
+ return ret;
+
+ /* translate mask from os to mask for hw
+ * pattern from OS uses 'ethenet frame', like this:
+ * | 6 | 6 | 2 | 20 | Variable | 4 |
+ * |--------+--------+------+-----------+------------+-----|
+ * | 802.3 Mac Header | IP Header | TCP Packet | FCS |
+ * | DA | SA | Type |
+ *
+ * BUT, packet catched by our HW is in '802.11 frame', begin from LLC
+ * | 24 or 30 | 6 | 2 | 20 | Variable | 4 |
+ * |-------------------+--------+------+-----------+------------+-----|
+ * | 802.11 MAC Header | LLC | IP Header | TCP Packet | FCS |
+ * | Others | Tpye |
+ *
+ * Therefore, we need translate mask_from_OS to mask_to_hw.
+ * We should left-shift mask by 6 bits, then set the new bit[0~5] = 0,
+ * because new mask[0~5] means 'SA', but our HW packet begins from LLC,
+ * bit[0~5] corresponds to first 6 Bytes in LLC, they just don't match.
+ */
+
+ /* Shift 6 bits */
+ for (i = 0; i < mask_len - 1; i++) {
+ mask_hw[i] = u8_get_bits(mask[i], GENMASK(7, 6)) |
+ u8_get_bits(mask[i + 1], GENMASK(5, 0)) << 2;
+ }
+ mask_hw[i] = u8_get_bits(mask[i], GENMASK(7, 6));
+
+ /* Set bit 0-5 to zero */
+ mask_hw[0] &= ~GENMASK(5, 0);
+
+ memcpy(rtw_pattern->mask, mask_hw, sizeof(rtw_pattern->mask));
+
+ /* To get the wake up pattern from the mask.
+ * We do not count first 12 bits which means
+ * DA[6] and SA[6] in the pattern to match HW design.
+ */
+ count = 0;
+ for (i = 12; i < len; i++) {
+ if ((mask[i / 8] >> (i % 8)) & 0x01) {
+ content[count] = pattern[i];
+ count++;
+ }
+ }
+
+ rtw_pattern->crc = rtw89_calc_crc(content, count);
+
+ return 0;
+}
+
+static int rtw89_wow_parse_patterns(struct rtw89_dev *rtwdev,
+ struct rtw89_vif *rtwvif,
+ struct cfg80211_wowlan *wowlan)
+{
+ struct rtw89_wow_param *rtw_wow = &rtwdev->wow;
+ struct rtw89_wow_cam_info *rtw_pattern = rtw_wow->patterns;
+ int i;
+ int ret;
+
+ if (!wowlan->n_patterns || !wowlan->patterns)
+ return 0;
+
+ for (i = 0; i < wowlan->n_patterns; i++) {
+ rtw_pattern = &rtw_wow->patterns[i];
+ ret = rtw89_wow_pattern_generate(rtwdev, rtwvif,
+ &wowlan->patterns[i],
+ rtw_pattern);
+ if (ret) {
+ rtw89_err(rtwdev, "failed to generate pattern(%d)\n", i);
+ rtw_wow->pattern_cnt = 0;
+ return ret;
+ }
+
+ rtw_pattern->r_w = true;
+ rtw_pattern->idx = i;
+ rtw_pattern->negative_pattern_match = false;
+ rtw_pattern->skip_mac_hdr = true;
+ rtw_pattern->valid = true;
+ }
+ rtw_wow->pattern_cnt = wowlan->n_patterns;
+
+ return 0;
+}
+
+static void rtw89_wow_pattern_clear_cam(struct rtw89_dev *rtwdev)
+{
+ struct rtw89_wow_param *rtw_wow = &rtwdev->wow;
+ struct rtw89_wow_cam_info *rtw_pattern = rtw_wow->patterns;
+ int i = 0;
+
+ for (i = 0; i < rtw_wow->pattern_cnt; i++) {
+ rtw_pattern = &rtw_wow->patterns[i];
+ rtw_pattern->valid = false;
+ rtw89_fw_wow_cam_update(rtwdev, rtw_pattern);
+ }
+}
+
+static void rtw89_wow_pattern_write(struct rtw89_dev *rtwdev)
+{
+ struct rtw89_wow_param *rtw_wow = &rtwdev->wow;
+ struct rtw89_wow_cam_info *rtw_pattern = rtw_wow->patterns;
+ int i;
+
+ for (i = 0; i < rtw_wow->pattern_cnt; i++)
+ rtw89_fw_wow_cam_update(rtwdev, rtw_pattern + i);
+}
+
+static void rtw89_wow_pattern_clear(struct rtw89_dev *rtwdev)
+{
+ struct rtw89_wow_param *rtw_wow = &rtwdev->wow;
+
+ rtw89_wow_pattern_clear_cam(rtwdev);
+
+ rtw_wow->pattern_cnt = 0;
+ memset(rtw_wow->patterns, 0, sizeof(rtw_wow->patterns));
+}
+
static void rtw89_wow_clear_wakeups(struct rtw89_dev *rtwdev)
{
struct rtw89_wow_param *rtw_wow = &rtwdev->wow;
@@ -188,7 +409,8 @@ static int rtw89_wow_set_wakeups(struct rtw89_dev *rtwdev,
if (!rtw_wow->wow_vif)
return -EPERM;
- return 0;
+ rtwvif = (struct rtw89_vif *)rtw_wow->wow_vif->drv_priv;
+ return rtw89_wow_parse_patterns(rtwdev, rtwvif, wowlan);
}
static int rtw89_wow_cfg_wake(struct rtw89_dev *rtwdev, bool wow)
@@ -441,6 +663,8 @@ static int rtw89_wow_fw_start(struct rtw89_dev *rtwdev)
struct rtw89_vif *rtwvif = (struct rtw89_vif *)rtw_wow->wow_vif->drv_priv;
int ret;
+ rtw89_wow_pattern_write(rtwdev);
+
ret = rtw89_fw_h2c_keep_alive(rtwdev, rtwvif, true);
if (ret) {
rtw89_err(rtwdev, "wow: failed to enable keep alive\n");
@@ -475,6 +699,8 @@ static int rtw89_wow_fw_stop(struct rtw89_dev *rtwdev)
struct rtw89_vif *rtwvif = (struct rtw89_vif *)rtw_wow->wow_vif->drv_priv;
int ret;
+ rtw89_wow_pattern_clear(rtwdev);
+
ret = rtw89_fw_h2c_keep_alive(rtwdev, rtwvif, false);
if (ret) {
rtw89_err(rtwdev, "wow: failed to disable keep alive\n");
--
2.25.1
From: Chin-Yen Lee <[email protected]>
WoWLAN is a feature which allows devices to be woken up from suspend
state through WLAN events.
When user enables WoWLAN feature and then let the device enter suspend
state, WoWLAN firmware will be loaded by the driver and periodically
monitors WiFi packets. Power consumption of WiFi chip will be reduced
in this state.
We now implement WoWLAN function in rtw8852ae and rtw8852ce chip.
Currently supported WLAN events include receiving magic packet,
rekey packet and deauth packet, and disconnecting from AP.
Signed-off-by: Chin-Yen Lee <[email protected]>
Signed-off-by: Ping-Ke Shih <[email protected]>
---
drivers/net/wireless/realtek/rtw89/Makefile | 2 +
drivers/net/wireless/realtek/rtw89/core.c | 8 +
drivers/net/wireless/realtek/rtw89/core.h | 77 ++-
drivers/net/wireless/realtek/rtw89/debug.h | 1 +
drivers/net/wireless/realtek/rtw89/mac.c | 18 +-
drivers/net/wireless/realtek/rtw89/mac.h | 14 +
drivers/net/wireless/realtek/rtw89/mac80211.c | 55 ++
drivers/net/wireless/realtek/rtw89/pci.c | 23 +-
drivers/net/wireless/realtek/rtw89/ps.c | 2 +-
drivers/net/wireless/realtek/rtw89/ps.h | 1 +
drivers/net/wireless/realtek/rtw89/reg.h | 8 +
drivers/net/wireless/realtek/rtw89/rtw8852a.c | 9 +
drivers/net/wireless/realtek/rtw89/rtw8852c.c | 9 +
drivers/net/wireless/realtek/rtw89/wow.c | 632 ++++++++++++++++++
drivers/net/wireless/realtek/rtw89/wow.h | 21 +
15 files changed, 873 insertions(+), 7 deletions(-)
create mode 100644 drivers/net/wireless/realtek/rtw89/wow.c
create mode 100644 drivers/net/wireless/realtek/rtw89/wow.h
diff --git a/drivers/net/wireless/realtek/rtw89/Makefile b/drivers/net/wireless/realtek/rtw89/Makefile
index ec0f5da65d6a1..2dc48fa10c6b6 100644
--- a/drivers/net/wireless/realtek/rtw89/Makefile
+++ b/drivers/net/wireless/realtek/rtw89/Makefile
@@ -15,6 +15,8 @@ rtw89_core-y += core.o \
chan.o \
ser.o
+rtw89_core-$(CONFIG_PM) += wow.o
+
obj-$(CONFIG_RTW89_8852A) += rtw89_8852a.o
rtw89_8852a-objs := rtw8852a.o \
rtw8852a_table.o \
diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c
index 4b6c90d5f1b6c..c7d0c2c91b999 100644
--- a/drivers/net/wireless/realtek/rtw89/core.c
+++ b/drivers/net/wireless/realtek/rtw89/core.c
@@ -2204,6 +2204,9 @@ static void rtw89_track_work(struct work_struct *work)
track_work.work);
bool tfc_changed;
+ if (test_bit(RTW89_FLAG_FORBIDDEN_TRACK_WROK, rtwdev->flags))
+ return;
+
mutex_lock(&rtwdev->mutex);
if (!test_bit(RTW89_FLAG_RUNNING, rtwdev->flags))
@@ -3040,6 +3043,7 @@ int rtw89_core_init(struct rtw89_dev *rtwdev)
continue;
INIT_LIST_HEAD(&rtwdev->scan_info.pkt_list[band]);
}
+ INIT_LIST_HEAD(&rtwdev->wow.pkt_list);
INIT_WORK(&rtwdev->ba_work, rtw89_core_ba_work);
INIT_WORK(&rtwdev->txq_work, rtw89_core_txq_work);
INIT_DELAYED_WORK(&rtwdev->txq_reinvoke_work, rtw89_core_txq_reinvoke_work);
@@ -3271,6 +3275,10 @@ static int rtw89_core_register_hw(struct rtw89_dev *rtwdev)
hw->wiphy->max_scan_ssids = RTW89_SCANOFLD_MAX_SSID;
hw->wiphy->max_scan_ie_len = RTW89_SCANOFLD_MAX_IE_LEN;
+#ifdef CONFIG_PM
+ hw->wiphy->wowlan = rtwdev->chip->wowlan_stub;
+#endif
+
hw->wiphy->tid_config_support.vif |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL);
hw->wiphy->tid_config_support.peer |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL);
hw->wiphy->tid_config_support.vif |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL);
diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index d20cb3ae89e98..9f80359e27aa2 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -178,7 +178,9 @@ enum rtw89_upd_mode {
RTW89_ROLE_REMOVE,
RTW89_ROLE_TYPE_CHANGE,
RTW89_ROLE_INFO_CHANGE,
- RTW89_ROLE_CON_DISCONN
+ RTW89_ROLE_CON_DISCONN,
+ RTW89_ROLE_BAND_SW,
+ RTW89_ROLE_FW_RESTORE,
};
enum rtw89_self_role {
@@ -2307,6 +2309,16 @@ struct rtw89_hci_ops {
*/
void (*recovery_start)(struct rtw89_dev *rtwdev);
void (*recovery_complete)(struct rtw89_dev *rtwdev);
+
+ void (*ctrl_txdma_ch)(struct rtw89_dev *rtwdev, bool enable);
+ void (*ctrl_txdma_fw_ch)(struct rtw89_dev *rtwdev, bool enable);
+ void (*ctrl_trxhci)(struct rtw89_dev *rtwdev, bool enable);
+ int (*poll_txdma_ch)(struct rtw89_dev *rtwdev);
+ void (*clr_idx_all)(struct rtw89_dev *rtwdev);
+ void (*clear)(struct rtw89_dev *rtwdev, struct pci_dev *pdev);
+ void (*disable_intr)(struct rtw89_dev *rtwdev);
+ void (*enable_intr)(struct rtw89_dev *rtwdev);
+ int (*rst_bdram)(struct rtw89_dev *rtwdev);
};
struct rtw89_hci_info {
@@ -2748,6 +2760,7 @@ struct rtw89_chip_info {
const struct rtw89_imr_info *imr_info;
const struct rtw89_rrsr_cfgs *rrsr_cfgs;
u32 dma_ch_mask;
+ const struct wiphy_wowlan_support *wowlan_stub;
};
union rtw89_bus_info {
@@ -2944,6 +2957,8 @@ enum rtw89_flags {
RTW89_FLAG_LOW_POWER_MODE,
RTW89_FLAG_INACTIVE_PS,
RTW89_FLAG_CRASH_SIMULATING,
+ RTW89_FLAG_WOWLAN,
+ RTW89_FLAG_FORBIDDEN_TRACK_WROK,
NUM_OF_RTW89_FLAGS,
};
@@ -3653,6 +3668,66 @@ static inline void rtw89_hci_recovery_complete(struct rtw89_dev *rtwdev)
rtwdev->hci.ops->recovery_complete(rtwdev);
}
+static inline void rtw89_hci_enable_intr(struct rtw89_dev *rtwdev)
+{
+ if (rtwdev->hci.ops->enable_intr)
+ rtwdev->hci.ops->enable_intr(rtwdev);
+}
+
+static inline void rtw89_hci_disable_intr(struct rtw89_dev *rtwdev)
+{
+ if (rtwdev->hci.ops->disable_intr)
+ rtwdev->hci.ops->disable_intr(rtwdev);
+}
+
+static inline void rtw89_hci_ctrl_txdma_ch(struct rtw89_dev *rtwdev, bool enable)
+{
+ if (rtwdev->hci.ops->ctrl_txdma_ch)
+ rtwdev->hci.ops->ctrl_txdma_ch(rtwdev, enable);
+}
+
+static inline void rtw89_hci_ctrl_txdma_fw_ch(struct rtw89_dev *rtwdev, bool enable)
+{
+ if (rtwdev->hci.ops->ctrl_txdma_fw_ch)
+ rtwdev->hci.ops->ctrl_txdma_fw_ch(rtwdev, enable);
+}
+
+static inline void rtw89_hci_ctrl_trxhci(struct rtw89_dev *rtwdev, bool enable)
+{
+ if (rtwdev->hci.ops->ctrl_trxhci)
+ rtwdev->hci.ops->ctrl_trxhci(rtwdev, enable);
+}
+
+static inline int rtw89_hci_poll_txdma_ch(struct rtw89_dev *rtwdev)
+{
+ int ret = 0;
+
+ if (rtwdev->hci.ops->poll_txdma_ch)
+ ret = rtwdev->hci.ops->poll_txdma_ch(rtwdev);
+ return ret;
+}
+
+static inline void rtw89_hci_clr_idx_all(struct rtw89_dev *rtwdev)
+{
+ if (rtwdev->hci.ops->clr_idx_all)
+ rtwdev->hci.ops->clr_idx_all(rtwdev);
+}
+
+static inline int rtw89_hci_rst_bdram(struct rtw89_dev *rtwdev)
+{
+ int ret = 0;
+
+ if (rtwdev->hci.ops->rst_bdram)
+ ret = rtwdev->hci.ops->rst_bdram(rtwdev);
+ return ret;
+}
+
+static inline void rtw89_hci_clear(struct rtw89_dev *rtwdev, struct pci_dev *pdev)
+{
+ if (rtwdev->hci.ops->clear)
+ rtwdev->hci.ops->clear(rtwdev, pdev);
+}
+
static inline u8 rtw89_read8(struct rtw89_dev *rtwdev, u32 addr)
{
return rtwdev->hci.ops->read8(rtwdev, addr);
diff --git a/drivers/net/wireless/realtek/rtw89/debug.h b/drivers/net/wireless/realtek/rtw89/debug.h
index ee243aadde873..e7971583acbc9 100644
--- a/drivers/net/wireless/realtek/rtw89/debug.h
+++ b/drivers/net/wireless/realtek/rtw89/debug.h
@@ -26,6 +26,7 @@ enum rtw89_debug_mask {
RTW89_DBG_HW_SCAN = BIT(15),
RTW89_DBG_SAR = BIT(16),
RTW89_DBG_STATE = BIT(17),
+ RTW89_DBG_WOW = BIT(18),
RTW89_DBG_UNEXP = BIT(31),
};
diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c
index 5b706611d5334..bb49033b587d2 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.c
+++ b/drivers/net/wireless/realtek/rtw89/mac.c
@@ -1566,6 +1566,16 @@ int rtw89_mac_resize_ple_rx_quota(struct rtw89_dev *rtwdev, bool wow)
}
#undef SET_QUOTA
+void rtw89_mac_hw_mgnt_sec(struct rtw89_dev *rtwdev, bool enable)
+{
+ u32 msk32 = B_AX_UC_MGNT_DEC | B_AX_BMC_MGNT_DEC;
+
+ if (enable)
+ rtw89_write32_set(rtwdev, R_AX_SEC_ENG_CTRL, msk32);
+ else
+ rtw89_write32_clr(rtwdev, R_AX_SEC_ENG_CTRL, msk32);
+}
+
static void dle_quota_cfg(struct rtw89_dev *rtwdev,
const struct rtw89_dle_mem *cfg,
u16 ext_wde_min_qt_wcpu)
@@ -1915,10 +1925,10 @@ static int scheduler_init(struct rtw89_dev *rtwdev, u8 mac_idx)
return 0;
}
-static int rtw89_mac_typ_fltr_opt(struct rtw89_dev *rtwdev,
- enum rtw89_machdr_frame_type type,
- enum rtw89_mac_fwd_target fwd_target,
- u8 mac_idx)
+int rtw89_mac_typ_fltr_opt(struct rtw89_dev *rtwdev,
+ enum rtw89_machdr_frame_type type,
+ enum rtw89_mac_fwd_target fwd_target,
+ u8 mac_idx)
{
u32 reg;
u32 val;
diff --git a/drivers/net/wireless/realtek/rtw89/mac.h b/drivers/net/wireless/realtek/rtw89/mac.h
index e3b4c7830f440..34f7d51be3f97 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.h
+++ b/drivers/net/wireless/realtek/rtw89/mac.h
@@ -980,6 +980,16 @@ static inline void rtw89_mac_ctrl_hci_dma_trx(struct rtw89_dev *rtwdev,
B_AX_HCI_TXDMA_EN | B_AX_HCI_RXDMA_EN);
}
+static inline bool rtw89_mac_get_power_state(struct rtw89_dev *rtwdev)
+{
+ u32 val;
+
+ val = rtw89_read32_mask(rtwdev, R_AX_IC_PWR_STATE,
+ B_AX_WLMAC_PWR_STE_MASK);
+
+ return !!val;
+}
+
int rtw89_mac_set_tx_time(struct rtw89_dev *rtwdev, struct rtw89_sta *rtwsta,
bool resume, u32 tx_time);
int rtw89_mac_get_tx_time(struct rtw89_dev *rtwdev, struct rtw89_sta *rtwsta,
@@ -1038,8 +1048,12 @@ void rtw89_mac_pkt_drop_vif(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif);
u16 rtw89_mac_dle_buf_req(struct rtw89_dev *rtwdev, u16 buf_len, bool wd);
int rtw89_mac_set_cpuio(struct rtw89_dev *rtwdev,
struct rtw89_cpuio_ctrl *ctrl_para, bool wd);
+int rtw89_mac_typ_fltr_opt(struct rtw89_dev *rtwdev,
+ enum rtw89_machdr_frame_type type,
+ enum rtw89_mac_fwd_target fwd_target, u8 mac_idx);
int rtw89_mac_resize_ple_rx_quota(struct rtw89_dev *rtwdev, bool wow);
int rtw89_mac_ptk_drop_by_band_and_wait(struct rtw89_dev *rtwdev,
enum rtw89_mac_idx band);
+void rtw89_mac_hw_mgnt_sec(struct rtw89_dev *rtwdev, bool wow);
#endif
diff --git a/drivers/net/wireless/realtek/rtw89/mac80211.c b/drivers/net/wireless/realtek/rtw89/mac80211.c
index a296bfa8188f2..6e79bf899901d 100644
--- a/drivers/net/wireless/realtek/rtw89/mac80211.c
+++ b/drivers/net/wireless/realtek/rtw89/mac80211.c
@@ -14,6 +14,7 @@
#include "sar.h"
#include "ser.h"
#include "util.h"
+#include "wow.h"
static void rtw89_ops_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
@@ -916,6 +917,55 @@ static int rtw89_ops_set_tid_config(struct ieee80211_hw *hw,
return 0;
}
+#ifdef CONFIG_PM
+static int rtw89_ops_suspend(struct ieee80211_hw *hw,
+ struct cfg80211_wowlan *wowlan)
+{
+ struct rtw89_dev *rtwdev = hw->priv;
+ int ret;
+
+ set_bit(RTW89_FLAG_FORBIDDEN_TRACK_WROK, rtwdev->flags);
+ cancel_delayed_work_sync(&rtwdev->track_work);
+
+ mutex_lock(&rtwdev->mutex);
+ ret = rtw89_wow_suspend(rtwdev, wowlan);
+ mutex_unlock(&rtwdev->mutex);
+
+ if (ret) {
+ rtw89_warn(rtwdev, "failed to suspend for wow %d\n", ret);
+ clear_bit(RTW89_FLAG_FORBIDDEN_TRACK_WROK, rtwdev->flags);
+ return 1;
+ }
+
+ return 0;
+}
+
+static int rtw89_ops_resume(struct ieee80211_hw *hw)
+{
+ struct rtw89_dev *rtwdev = hw->priv;
+ int ret;
+
+ mutex_lock(&rtwdev->mutex);
+ ret = rtw89_wow_resume(rtwdev);
+ if (ret)
+ rtw89_warn(rtwdev, "failed to resume for wow %d\n", ret);
+ mutex_unlock(&rtwdev->mutex);
+
+ clear_bit(RTW89_FLAG_FORBIDDEN_TRACK_WROK, rtwdev->flags);
+ ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->track_work,
+ RTW89_TRACK_WORK_PERIOD);
+
+ return ret ? 1 : 0;
+}
+
+static void rtw89_ops_set_wakeup(struct ieee80211_hw *hw, bool enabled)
+{
+ struct rtw89_dev *rtwdev = hw->priv;
+
+ device_set_wakeup_enable(rtwdev->dev, enabled);
+}
+#endif
+
const struct ieee80211_ops rtw89_ops = {
.tx = rtw89_ops_tx,
.wake_tx_queue = rtw89_ops_wake_tx_queue,
@@ -953,5 +1003,10 @@ const struct ieee80211_ops rtw89_ops = {
.set_sar_specs = rtw89_ops_set_sar_specs,
.sta_rc_update = rtw89_ops_sta_rc_update,
.set_tid_config = rtw89_ops_set_tid_config,
+#ifdef CONFIG_PM
+ .suspend = rtw89_ops_suspend,
+ .resume = rtw89_ops_resume,
+ .set_wakeup = rtw89_ops_set_wakeup,
+#endif
};
EXPORT_SYMBOL(rtw89_ops);
diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c
index 5f8e19639362d..07a2e23759f0b 100644
--- a/drivers/net/wireless/realtek/rtw89/pci.c
+++ b/drivers/net/wireless/realtek/rtw89/pci.c
@@ -186,6 +186,17 @@ static void rtw89_pci_ctrl_txdma_ch_pcie(struct rtw89_dev *rtwdev, bool enable)
}
}
+static void rtw89_pci_ctrl_txdma_fw_ch_pcie(struct rtw89_dev *rtwdev, bool enable)
+{
+ const struct rtw89_pci_info *info = rtwdev->pci_info;
+ const struct rtw89_reg_def *dma_stop1 = &info->dma_stop1;
+
+ if (enable)
+ rtw89_write32_clr(rtwdev, dma_stop1->addr, B_AX_STOP_CH12);
+ else
+ rtw89_write32_set(rtwdev, dma_stop1->addr, B_AX_STOP_CH12);
+}
+
static bool
rtw89_skb_put_rx_data(struct rtw89_dev *rtwdev, bool fs, bool ls,
struct sk_buff *new,
@@ -2513,7 +2524,7 @@ static int rtw89_pci_ops_mac_pre_init(struct rtw89_dev *rtwdev)
/* disable all channels except to FW CMD channel to download firmware */
rtw89_pci_ctrl_txdma_ch_pcie(rtwdev, false);
- rtw89_write32_clr(rtwdev, info->dma_stop1.addr, B_AX_STOP_CH12);
+ rtw89_pci_ctrl_txdma_fw_ch_pcie(rtwdev, true);
/* start DMA activities */
rtw89_pci_ctrl_dma_all(rtwdev, true);
@@ -3771,6 +3782,16 @@ static const struct rtw89_hci_ops rtw89_pci_ops = {
.recovery_start = rtw89_pci_ops_recovery_start,
.recovery_complete = rtw89_pci_ops_recovery_complete,
+
+ .ctrl_txdma_ch = rtw89_pci_ctrl_txdma_ch_pcie,
+ .ctrl_txdma_fw_ch = rtw89_pci_ctrl_txdma_fw_ch_pcie,
+ .ctrl_trxhci = rtw89_pci_ctrl_dma_trx,
+ .poll_txdma_ch = rtw89_poll_txdma_ch_idle_pcie,
+ .clr_idx_all = rtw89_pci_clr_idx_all,
+ .clear = rtw89_pci_clear_resource,
+ .disable_intr = rtw89_pci_disable_intr_lock,
+ .enable_intr = rtw89_pci_enable_intr_lock,
+ .rst_bdram = rtw89_pci_rst_bdram_pcie,
};
int rtw89_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
diff --git a/drivers/net/wireless/realtek/rtw89/ps.c b/drivers/net/wireless/realtek/rtw89/ps.c
index bf41a11416792..40498812205ea 100644
--- a/drivers/net/wireless/realtek/rtw89/ps.c
+++ b/drivers/net/wireless/realtek/rtw89/ps.c
@@ -59,7 +59,7 @@ static void rtw89_ps_power_mode_change(struct rtw89_dev *rtwdev, bool enter)
rtw89_mac_power_mode_change(rtwdev, enter);
}
-static void __rtw89_enter_ps_mode(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif)
+void __rtw89_enter_ps_mode(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif)
{
if (rtwvif->wifi_role == RTW89_WIFI_ROLE_P2P_CLIENT)
return;
diff --git a/drivers/net/wireless/realtek/rtw89/ps.h b/drivers/net/wireless/realtek/rtw89/ps.h
index 0feae39916238..6ac1f7ea53394 100644
--- a/drivers/net/wireless/realtek/rtw89/ps.h
+++ b/drivers/net/wireless/realtek/rtw89/ps.h
@@ -8,6 +8,7 @@
void rtw89_enter_lps(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif);
void rtw89_leave_lps(struct rtw89_dev *rtwdev);
void __rtw89_leave_ps_mode(struct rtw89_dev *rtwdev);
+void __rtw89_enter_ps_mode(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif);
void rtw89_leave_ps_mode(struct rtw89_dev *rtwdev);
void rtw89_enter_ips(struct rtw89_dev *rtwdev);
void rtw89_leave_ips(struct rtw89_dev *rtwdev);
diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h
index 33f2b67bfca37..2f6358244934f 100644
--- a/drivers/net/wireless/realtek/rtw89/reg.h
+++ b/drivers/net/wireless/realtek/rtw89/reg.h
@@ -952,6 +952,9 @@
B_AX_STF_OQT_OVERFLOW_ERR_INT_EN | \
B_AX_STF_OQT_UNDERFLOW_ERR_INT_EN)
+#define R_AX_RX_FUNCTION_STOP 0x8920
+#define B_AX_HDR_RX_STOP BIT(0)
+
#define R_AX_HCI_FC_CTRL 0x8A00
#define B_AX_HCI_FC_CH12_FULL_COND_MASK GENMASK(11, 10)
#define B_AX_HCI_FC_WP_CH811_FULL_COND_MASK GENMASK(9, 8)
@@ -1570,6 +1573,8 @@
#define R_AX_ACTION_FWD0 0x9C04
#define TRXCFG_MPDU_PROC_ACT_FRWD 0x02A95A95
+#define R_AX_ACTION_FWD1 0x9C08
+
#define R_AX_TF_FWD 0x9C14
#define TRXCFG_MPDU_PROC_TF_FRWD 0x0000AA55
@@ -1581,6 +1586,9 @@
#define R_AX_CUT_AMSDU_CTRL 0x9C40
#define TRXCFG_MPDU_PROC_CUT_CTRL 0x010E05F0
+#define R_AX_WOW_CTRL 0x9C50
+#define B_AX_WOW_WOWEN BIT(1)
+
#define R_AX_MPDU_RX_ERR_ISR 0x9CF0
#define R_AX_MPDU_RX_ERR_IMR 0x9CF4
#define B_AX_RPT_ERR_INT_EN BIT(3)
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852a.c b/drivers/net/wireless/realtek/rtw89/rtw8852a.c
index 7995d720dc921..becce3b48f518 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852a.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852a.c
@@ -1990,6 +1990,12 @@ static void rtw8852a_query_ppdu(struct rtw89_dev *rtwdev,
rtw8852a_fill_freq_with_ppdu(rtwdev, phy_ppdu, status);
}
+#ifdef CONFIG_PM
+static const struct wiphy_wowlan_support rtw_wowlan_stub_8852a = {
+ .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
+};
+#endif
+
static const struct rtw89_chip_ops rtw8852a_chip_ops = {
.enable_bb_rf = rtw89_mac_enable_bb_rf,
.disable_bb_rf = rtw89_mac_disable_bb_rf,
@@ -2139,6 +2145,9 @@ const struct rtw89_chip_info rtw8852a_chip_info = {
.imr_info = &rtw8852a_imr_info,
.rrsr_cfgs = &rtw8852a_rrsr_cfgs,
.dma_ch_mask = 0,
+#ifdef CONFIG_PM
+ .wowlan_stub = &rtw_wowlan_stub_8852a,
+#endif
};
EXPORT_SYMBOL(rtw8852a_chip_info);
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c.c b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
index 470e9e9cfafd6..c731901bc90b3 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852c.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
@@ -2796,6 +2796,12 @@ static int rtw8852c_mac_disable_bb_rf(struct rtw89_dev *rtwdev)
return 0;
}
+#ifdef CONFIG_PM
+static const struct wiphy_wowlan_support rtw_wowlan_stub_8852c = {
+ .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
+};
+#endif
+
static const struct rtw89_chip_ops rtw8852c_chip_ops = {
.enable_bb_rf = rtw8852c_mac_enable_bb_rf,
.disable_bb_rf = rtw8852c_mac_disable_bb_rf,
@@ -2949,6 +2955,9 @@ const struct rtw89_chip_info rtw8852c_chip_info = {
.imr_info = &rtw8852c_imr_info,
.rrsr_cfgs = &rtw8852c_rrsr_cfgs,
.dma_ch_mask = 0,
+#ifdef CONFIG_PM
+ .wowlan_stub = &rtw_wowlan_stub_8852c,
+#endif
};
EXPORT_SYMBOL(rtw8852c_chip_info);
diff --git a/drivers/net/wireless/realtek/rtw89/wow.c b/drivers/net/wireless/realtek/rtw89/wow.c
new file mode 100644
index 0000000000000..2570a05ef0e7a
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw89/wow.c
@@ -0,0 +1,632 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/* Copyright(c) 2019-2022 Realtek Corporation
+ */
+#include "cam.h"
+#include "core.h"
+#include "debug.h"
+#include "fw.h"
+#include "mac.h"
+#include "phy.h"
+#include "ps.h"
+#include "reg.h"
+#include "util.h"
+#include "wow.h"
+
+static void rtw89_wow_leave_deep_ps(struct rtw89_dev *rtwdev)
+{
+ __rtw89_leave_ps_mode(rtwdev);
+}
+
+static void rtw89_wow_enter_deep_ps(struct rtw89_dev *rtwdev)
+{
+ struct ieee80211_vif *wow_vif = rtwdev->wow.wow_vif;
+ struct rtw89_vif *rtwvif = (struct rtw89_vif *)wow_vif->drv_priv;
+
+ __rtw89_enter_ps_mode(rtwdev, rtwvif);
+}
+
+static void rtw89_wow_enter_lps(struct rtw89_dev *rtwdev)
+{
+ struct ieee80211_vif *wow_vif = rtwdev->wow.wow_vif;
+ struct rtw89_vif *rtwvif = (struct rtw89_vif *)wow_vif->drv_priv;
+
+ rtw89_enter_lps(rtwdev, rtwvif);
+}
+
+static void rtw89_wow_leave_lps(struct rtw89_dev *rtwdev)
+{
+ rtw89_leave_lps(rtwdev);
+}
+
+static int rtw89_wow_config_mac(struct rtw89_dev *rtwdev, bool enable_wow)
+{
+ int ret;
+
+ if (enable_wow) {
+ ret = rtw89_mac_resize_ple_rx_quota(rtwdev, true);
+ if (ret) {
+ rtw89_err(rtwdev, "[ERR]patch rx qta %d\n", ret);
+ return ret;
+ }
+ rtw89_write32_set(rtwdev, R_AX_RX_FUNCTION_STOP, B_AX_HDR_RX_STOP);
+ rtw89_write32_clr(rtwdev, R_AX_RX_FLTR_OPT, B_AX_SNIFFER_MODE);
+ rtw89_mac_cfg_ppdu_status(rtwdev, RTW89_MAC_0, false);
+ rtw89_write32(rtwdev, R_AX_ACTION_FWD0, 0);
+ rtw89_write32(rtwdev, R_AX_ACTION_FWD1, 0);
+ rtw89_write32(rtwdev, R_AX_TF_FWD, 0);
+ rtw89_write32(rtwdev, R_AX_HW_RPT_FWD, 0);
+ } else {
+ ret = rtw89_mac_resize_ple_rx_quota(rtwdev, false);
+ if (ret) {
+ rtw89_err(rtwdev, "[ERR]patch rx qta %d\n", ret);
+ return ret;
+ }
+ rtw89_write32_clr(rtwdev, R_AX_RX_FUNCTION_STOP, B_AX_HDR_RX_STOP);
+ rtw89_mac_cfg_ppdu_status(rtwdev, RTW89_MAC_0, true);
+ rtw89_write32(rtwdev, R_AX_ACTION_FWD0, TRXCFG_MPDU_PROC_ACT_FRWD);
+ rtw89_write32(rtwdev, R_AX_TF_FWD, TRXCFG_MPDU_PROC_TF_FRWD);
+ }
+
+ return 0;
+}
+
+static void rtw89_wow_set_rx_filter(struct rtw89_dev *rtwdev, bool enable)
+{
+ enum rtw89_mac_fwd_target fwd_target = enable ?
+ RTW89_FWD_DONT_CARE :
+ RTW89_FWD_TO_HOST;
+
+ rtw89_mac_typ_fltr_opt(rtwdev, RTW89_MGNT, fwd_target, RTW89_MAC_0);
+ rtw89_mac_typ_fltr_opt(rtwdev, RTW89_CTRL, fwd_target, RTW89_MAC_0);
+ rtw89_mac_typ_fltr_opt(rtwdev, RTW89_DATA, fwd_target, RTW89_MAC_0);
+}
+
+static void rtw89_wow_show_wakeup_reason(struct rtw89_dev *rtwdev)
+{
+ enum rtw89_core_chip_id chip_id = rtwdev->chip->chip_id;
+ struct cfg80211_wowlan_nd_info nd_info;
+ struct cfg80211_wowlan_wakeup wakeup = {
+ .pattern_idx = -1,
+ };
+ u32 wow_reason_reg;
+ u8 reason;
+
+ if (chip_id == RTL8852A || chip_id == RTL8852B)
+ wow_reason_reg = R_AX_C2HREG_DATA3 + 3;
+ else
+ wow_reason_reg = R_AX_C2HREG_DATA3_V1 + 3;
+
+ reason = rtw89_read8(rtwdev, wow_reason_reg);
+
+ switch (reason) {
+ case RTW89_WOW_RSN_RX_DEAUTH:
+ wakeup.disconnect = true;
+ rtw89_debug(rtwdev, RTW89_DBG_WOW, "WOW: Rx deauth\n");
+ break;
+ case RTW89_WOW_RSN_DISCONNECT:
+ wakeup.disconnect = true;
+ rtw89_debug(rtwdev, RTW89_DBG_WOW, "WOW: AP is off\n");
+ break;
+ case RTW89_WOW_RSN_RX_MAGIC_PKT:
+ wakeup.magic_pkt = true;
+ rtw89_debug(rtwdev, RTW89_DBG_WOW, "WOW: Rx magic packet\n");
+ break;
+ case RTW89_WOW_RSN_RX_GTK_REKEY:
+ wakeup.gtk_rekey_failure = true;
+ rtw89_debug(rtwdev, RTW89_DBG_WOW, "WOW: Rx gtk rekey\n");
+ break;
+ case RTW89_WOW_RSN_RX_PATTERN_MATCH:
+ /* Current firmware and driver don't report pattern index
+ * Use pattern_idx to 0 defaultly.
+ */
+ wakeup.pattern_idx = 0;
+ rtw89_debug(rtwdev, RTW89_DBG_WOW, "WOW: Rx pattern match packet\n");
+ break;
+ case RTW89_WOW_RSN_RX_NLO:
+ /* Current firmware and driver don't report ssid index.
+ * Use 0 for n_matches based on its comment.
+ */
+ nd_info.n_matches = 0;
+ wakeup.net_detect = &nd_info;
+ rtw89_debug(rtwdev, RTW89_DBG_WOW, "Rx NLO\n");
+ break;
+ default:
+ rtw89_warn(rtwdev, "Unknown wakeup reason %x\n", reason);
+ ieee80211_report_wowlan_wakeup(rtwdev->wow.wow_vif, NULL,
+ GFP_KERNEL);
+ return;
+ }
+
+ ieee80211_report_wowlan_wakeup(rtwdev->wow.wow_vif, &wakeup,
+ GFP_KERNEL);
+}
+
+static void rtw89_wow_vif_iter(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif)
+{
+ struct rtw89_wow_param *rtw_wow = &rtwdev->wow;
+ struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif);
+
+ /* Current wowlan function support setting of only one STATION vif.
+ * So when one suitable vif is found, stop the iteration.
+ */
+ if (rtw_wow->wow_vif || vif->type != NL80211_IFTYPE_STATION)
+ return;
+
+ switch (rtwvif->net_type) {
+ case RTW89_NET_TYPE_INFRA:
+ rtw_wow->wow_vif = vif;
+ break;
+ case RTW89_NET_TYPE_NO_LINK:
+ default:
+ break;
+ }
+}
+
+static void rtw89_wow_clear_wakeups(struct rtw89_dev *rtwdev)
+{
+ struct rtw89_wow_param *rtw_wow = &rtwdev->wow;
+
+ rtw_wow->wow_vif = NULL;
+ rtw89_core_release_all_bits_map(rtw_wow->flags, RTW89_WOW_FLAG_NUM);
+ rtw_wow->pattern_cnt = 0;
+}
+
+static int rtw89_wow_set_wakeups(struct rtw89_dev *rtwdev,
+ struct cfg80211_wowlan *wowlan)
+{
+ struct rtw89_wow_param *rtw_wow = &rtwdev->wow;
+ struct rtw89_vif *rtwvif;
+
+ if (wowlan->disconnect)
+ set_bit(RTW89_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags);
+ if (wowlan->magic_pkt)
+ set_bit(RTW89_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags);
+
+ rtw89_for_each_rtwvif(rtwdev, rtwvif)
+ rtw89_wow_vif_iter(rtwdev, rtwvif);
+
+ if (!rtw_wow->wow_vif)
+ return -EPERM;
+
+ return 0;
+}
+
+static int rtw89_wow_cfg_wake(struct rtw89_dev *rtwdev, bool wow)
+{
+ struct rtw89_wow_param *rtw_wow = &rtwdev->wow;
+ struct ieee80211_vif *wow_vif = rtw_wow->wow_vif;
+ struct rtw89_vif *rtwvif = (struct rtw89_vif *)wow_vif->drv_priv;
+ struct ieee80211_sta *wow_sta;
+ struct rtw89_sta *rtwsta = NULL;
+ bool is_conn = true;
+ int ret;
+
+ wow_sta = ieee80211_find_sta(wow_vif, rtwvif->bssid);
+ if (wow_sta)
+ rtwsta = (struct rtw89_sta *)wow_sta->drv_priv;
+ else
+ is_conn = false;
+
+ if (wow) {
+ if (rtw_wow->pattern_cnt)
+ rtwvif->wowlan_pattern = true;
+ if (test_bit(RTW89_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags))
+ rtwvif->wowlan_magic = true;
+ } else {
+ rtwvif->wowlan_pattern = false;
+ rtwvif->wowlan_magic = false;
+ }
+
+ ret = rtw89_fw_h2c_wow_wakeup_ctrl(rtwdev, rtwvif, wow);
+ if (ret) {
+ rtw89_err(rtwdev, "failed to fw wow wakeup ctrl\n");
+ return ret;
+ }
+
+ if (wow) {
+ ret = rtw89_chip_h2c_dctl_sec_cam(rtwdev, rtwvif, rtwsta);
+ if (ret) {
+ rtw89_err(rtwdev, "failed to update dctl cam sec entry: %d\n",
+ ret);
+ return ret;
+ }
+ }
+
+ ret = rtw89_fw_h2c_join_info(rtwdev, rtwvif, rtwsta, !is_conn);
+ if (ret) {
+ rtw89_warn(rtwdev, "failed to send h2c join info\n");
+ return ret;
+ }
+
+ ret = rtw89_fw_h2c_cam(rtwdev, rtwvif, rtwsta, NULL);
+ if (ret) {
+ rtw89_warn(rtwdev, "failed to send h2c cam\n");
+ return ret;
+ }
+
+ ret = rtw89_fw_h2c_wow_global(rtwdev, rtwvif, wow);
+ if (ret) {
+ rtw89_err(rtwdev, "failed to fw wow global\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int rtw89_wow_check_fw_status(struct rtw89_dev *rtwdev, bool wow_enable)
+{
+ u8 polling, ret;
+
+ ret = read_poll_timeout_atomic(rtw89_read8_mask, polling,
+ wow_enable == !!polling,
+ 50, 50000, false, rtwdev,
+ R_AX_WOW_CTRL, B_AX_WOW_WOWEN);
+ if (ret)
+ rtw89_err(rtwdev, "failed to check wow status %s\n",
+ wow_enable ? "enabled" : "disabled");
+ return ret;
+}
+
+static void rtw89_wow_release_pkt_list(struct rtw89_dev *rtwdev)
+{
+ struct rtw89_wow_param *rtw_wow = &rtwdev->wow;
+ struct list_head *pkt_list = &rtw_wow->pkt_list;
+ struct rtw89_pktofld_info *info, *tmp;
+
+ list_for_each_entry_safe(info, tmp, pkt_list, list) {
+ rtw89_fw_h2c_del_pkt_offload(rtwdev, info->id);
+ rtw89_core_release_bit_map(rtwdev->pkt_offload,
+ info->id);
+ list_del(&info->list);
+ kfree(info);
+ }
+}
+
+static int rtw89_wow_swap_fw(struct rtw89_dev *rtwdev, bool wow)
+{
+ enum rtw89_fw_type fw_type = wow ? RTW89_FW_WOWLAN : RTW89_FW_NORMAL;
+ struct rtw89_wow_param *rtw_wow = &rtwdev->wow;
+ struct ieee80211_vif *wow_vif = rtw_wow->wow_vif;
+ struct rtw89_vif *rtwvif = (struct rtw89_vif *)wow_vif->drv_priv;
+ struct ieee80211_sta *wow_sta;
+ struct rtw89_sta *rtwsta = NULL;
+ bool is_conn = true;
+ int ret;
+
+ rtw89_hci_disable_intr(rtwdev);
+
+ wow_sta = ieee80211_find_sta(wow_vif, rtwvif->bssid);
+ if (wow_sta)
+ rtwsta = (struct rtw89_sta *)wow_sta->drv_priv;
+ else
+ is_conn = false;
+
+ ret = rtw89_fw_download(rtwdev, fw_type);
+ if (ret) {
+ rtw89_warn(rtwdev, "download fw failed\n");
+ return ret;
+ }
+
+ rtw89_phy_init_rf_reg(rtwdev, true);
+
+ ret = rtw89_fw_h2c_role_maintain(rtwdev, rtwvif, rtwsta,
+ RTW89_ROLE_FW_RESTORE);
+ if (ret) {
+ rtw89_warn(rtwdev, "failed to send h2c role maintain\n");
+ return ret;
+ }
+
+ ret = rtw89_fw_h2c_assoc_cmac_tbl(rtwdev, wow_vif, wow_sta);
+ if (ret) {
+ rtw89_warn(rtwdev, "failed to send h2c assoc cmac tbl\n");
+ return ret;
+ }
+
+ if (!is_conn)
+ rtw89_cam_reset_keys(rtwdev);
+
+ ret = rtw89_fw_h2c_join_info(rtwdev, rtwvif, rtwsta, !is_conn);
+ if (ret) {
+ rtw89_warn(rtwdev, "failed to send h2c join info\n");
+ return ret;
+ }
+
+ ret = rtw89_fw_h2c_cam(rtwdev, rtwvif, rtwsta, NULL);
+ if (ret) {
+ rtw89_warn(rtwdev, "failed to send h2c cam\n");
+ return ret;
+ }
+
+ if (is_conn) {
+ rtw89_phy_ra_assoc(rtwdev, wow_sta);
+ rtw89_phy_set_bss_color(rtwdev, wow_vif);
+ rtw89_chip_cfg_txpwr_ul_tb_offset(rtwdev, wow_vif);
+ }
+
+ rtw89_mac_hw_mgnt_sec(rtwdev, wow);
+ rtw89_hci_enable_intr(rtwdev);
+
+ return 0;
+}
+
+static int rtw89_wow_enable_trx_pre(struct rtw89_dev *rtwdev)
+{
+ int ret;
+
+ rtw89_hci_ctrl_txdma_ch(rtwdev, false);
+ rtw89_hci_ctrl_txdma_fw_ch(rtwdev, true);
+
+ rtw89_mac_ptk_drop_by_band_and_wait(rtwdev, RTW89_MAC_0);
+
+ ret = rtw89_hci_poll_txdma_ch(rtwdev);
+ if (ret) {
+ rtw89_err(rtwdev, "txdma ch busy\n");
+ return ret;
+ }
+ rtw89_wow_set_rx_filter(rtwdev, true);
+
+ ret = rtw89_mac_cfg_ppdu_status(rtwdev, RTW89_MAC_0, false);
+ if (ret) {
+ rtw89_err(rtwdev, "cfg ppdu status\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int rtw89_wow_enable_trx_post(struct rtw89_dev *rtwdev)
+{
+ int ret;
+
+ rtw89_hci_disable_intr(rtwdev);
+ rtw89_hci_ctrl_trxhci(rtwdev, false);
+
+ ret = rtw89_hci_poll_txdma_ch(rtwdev);
+ if (ret) {
+ rtw89_err(rtwdev, "failed to poll txdma ch idle pcie\n");
+ return ret;
+ }
+
+ ret = rtw89_wow_config_mac(rtwdev, true);
+ if (ret) {
+ rtw89_err(rtwdev, "failed to config mac\n");
+ return ret;
+ }
+
+ rtw89_wow_set_rx_filter(rtwdev, false);
+ rtw89_hci_reset(rtwdev);
+
+ return 0;
+}
+
+static int rtw89_wow_disable_trx_pre(struct rtw89_dev *rtwdev)
+{
+ int ret;
+
+ rtw89_hci_clr_idx_all(rtwdev);
+
+ ret = rtw89_hci_rst_bdram(rtwdev);
+ if (ret) {
+ rtw89_warn(rtwdev, "reset bdram busy\n");
+ return ret;
+ }
+
+ rtw89_hci_ctrl_trxhci(rtwdev, true);
+ rtw89_hci_ctrl_txdma_ch(rtwdev, true);
+
+ ret = rtw89_wow_config_mac(rtwdev, false);
+ if (ret) {
+ rtw89_err(rtwdev, "failed to config mac\n");
+ return ret;
+ }
+ rtw89_hci_enable_intr(rtwdev);
+
+ return 0;
+}
+
+static int rtw89_wow_disable_trx_post(struct rtw89_dev *rtwdev)
+{
+ int ret;
+
+ ret = rtw89_mac_cfg_ppdu_status(rtwdev, RTW89_MAC_0, true);
+ if (ret)
+ rtw89_err(rtwdev, "cfg ppdu status\n");
+
+ return ret;
+}
+
+static int rtw89_wow_fw_start(struct rtw89_dev *rtwdev)
+{
+ struct rtw89_wow_param *rtw_wow = &rtwdev->wow;
+ struct rtw89_vif *rtwvif = (struct rtw89_vif *)rtw_wow->wow_vif->drv_priv;
+ int ret;
+
+ ret = rtw89_fw_h2c_keep_alive(rtwdev, rtwvif, true);
+ if (ret) {
+ rtw89_err(rtwdev, "wow: failed to enable keep alive\n");
+ return ret;
+ }
+
+ ret = rtw89_fw_h2c_disconnect_detect(rtwdev, rtwvif, true);
+ if (ret) {
+ rtw89_err(rtwdev, "wow: failed to enable disconnect detect\n");
+ goto out;
+ }
+
+ ret = rtw89_wow_cfg_wake(rtwdev, true);
+ if (ret) {
+ rtw89_err(rtwdev, "wow: failed to config wake\n");
+ goto out;
+ }
+
+ ret = rtw89_wow_check_fw_status(rtwdev, true);
+ if (ret) {
+ rtw89_err(rtwdev, "wow: failed to check enable fw ready\n");
+ goto out;
+ }
+
+out:
+ return ret;
+}
+
+static int rtw89_wow_fw_stop(struct rtw89_dev *rtwdev)
+{
+ struct rtw89_wow_param *rtw_wow = &rtwdev->wow;
+ struct rtw89_vif *rtwvif = (struct rtw89_vif *)rtw_wow->wow_vif->drv_priv;
+ int ret;
+
+ ret = rtw89_fw_h2c_keep_alive(rtwdev, rtwvif, false);
+ if (ret) {
+ rtw89_err(rtwdev, "wow: failed to disable keep alive\n");
+ goto out;
+ }
+
+ rtw89_wow_release_pkt_list(rtwdev);
+
+ ret = rtw89_fw_h2c_disconnect_detect(rtwdev, rtwvif, false);
+ if (ret) {
+ rtw89_err(rtwdev, "wow: failed to disable disconnect detect\n");
+ goto out;
+ }
+
+ ret = rtw89_wow_cfg_wake(rtwdev, false);
+ if (ret) {
+ rtw89_err(rtwdev, "wow: failed to disable config wake\n");
+ goto out;
+ }
+
+ ret = rtw89_wow_check_fw_status(rtwdev, false);
+ if (ret) {
+ rtw89_err(rtwdev, "wow: failed to check disable fw ready\n");
+ goto out;
+ }
+
+out:
+ return ret;
+}
+
+static int rtw89_wow_enable(struct rtw89_dev *rtwdev)
+{
+ int ret;
+
+ set_bit(RTW89_FLAG_WOWLAN, rtwdev->flags);
+
+ ret = rtw89_wow_enable_trx_pre(rtwdev);
+ if (ret) {
+ rtw89_err(rtwdev, "wow: failed to enable trx_pre\n");
+ goto out;
+ }
+
+ rtw89_wow_swap_fw(rtwdev, true);
+ if (ret) {
+ rtw89_err(rtwdev, "wow: failed to swap to wow fw\n");
+ goto out;
+ }
+
+ rtw89_wow_fw_start(rtwdev);
+ if (ret) {
+ rtw89_err(rtwdev, "wow: failed to let wow fw start\n");
+ goto out;
+ }
+
+ rtw89_wow_enter_lps(rtwdev);
+
+ rtw89_wow_enable_trx_post(rtwdev);
+ if (ret) {
+ rtw89_err(rtwdev, "wow: failed to enable trx_post\n");
+ goto out;
+ }
+
+ return 0;
+
+out:
+ clear_bit(RTW89_FLAG_WOWLAN, rtwdev->flags);
+ return ret;
+}
+
+static int rtw89_wow_disable(struct rtw89_dev *rtwdev)
+{
+ int ret;
+
+ ret = rtw89_wow_disable_trx_pre(rtwdev);
+ if (ret) {
+ rtw89_err(rtwdev, "wow: failed to disable trx_pre\n");
+ goto out;
+ }
+
+ rtw89_wow_leave_lps(rtwdev);
+
+ ret = rtw89_wow_fw_stop(rtwdev);
+ if (ret) {
+ rtw89_err(rtwdev, "wow: failed to swap to normal fw\n");
+ goto out;
+ }
+
+ ret = rtw89_wow_swap_fw(rtwdev, false);
+ if (ret) {
+ rtw89_err(rtwdev, "wow: failed to disable trx_post\n");
+ goto out;
+ }
+
+ ret = rtw89_wow_disable_trx_post(rtwdev);
+ if (ret) {
+ rtw89_err(rtwdev, "wow: failed to disable trx_pre\n");
+ goto out;
+ }
+
+out:
+ clear_bit(RTW89_FLAG_WOWLAN, rtwdev->flags);
+ return ret;
+}
+
+int rtw89_wow_resume(struct rtw89_dev *rtwdev)
+{
+ int ret;
+
+ if (!test_bit(RTW89_FLAG_WOWLAN, rtwdev->flags)) {
+ rtw89_err(rtwdev, "wow is not enabled\n");
+ ret = -EPERM;
+ goto out;
+ }
+
+ if (!rtw89_mac_get_power_state(rtwdev)) {
+ rtw89_err(rtwdev, "chip is no power when resume\n");
+ ret = -EPERM;
+ goto out;
+ }
+
+ rtw89_wow_leave_deep_ps(rtwdev);
+
+ rtw89_wow_show_wakeup_reason(rtwdev);
+
+ ret = rtw89_wow_disable(rtwdev);
+ if (ret)
+ rtw89_err(rtwdev, "failed to disable wow\n");
+
+out:
+ rtw89_wow_clear_wakeups(rtwdev);
+ return ret;
+}
+
+int rtw89_wow_suspend(struct rtw89_dev *rtwdev, struct cfg80211_wowlan *wowlan)
+{
+ int ret;
+
+ ret = rtw89_wow_set_wakeups(rtwdev, wowlan);
+ if (ret) {
+ rtw89_err(rtwdev, "failed to set wakeup event\n");
+ return ret;
+ }
+
+ rtw89_wow_leave_lps(rtwdev);
+
+ ret = rtw89_wow_enable(rtwdev);
+ if (ret) {
+ rtw89_err(rtwdev, "failed to enable wow\n");
+ return ret;
+ }
+
+ rtw89_wow_enter_deep_ps(rtwdev);
+
+ return 0;
+}
diff --git a/drivers/net/wireless/realtek/rtw89/wow.h b/drivers/net/wireless/realtek/rtw89/wow.h
new file mode 100644
index 0000000000000..a2f7b2e3cdb4d
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw89/wow.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/* Copyright(c) 2019-2022 Realtek Corporation
+ */
+
+#ifndef __RTW89_WOW_H__
+#define __RTW89_WOW_H__
+
+enum rtw89_wake_reason {
+ RTW89_WOW_RSN_RX_PTK_REKEY = 0x1,
+ RTW89_WOW_RSN_RX_GTK_REKEY = 0x2,
+ RTW89_WOW_RSN_RX_DEAUTH = 0x8,
+ RTW89_WOW_RSN_DISCONNECT = 0x10,
+ RTW89_WOW_RSN_RX_MAGIC_PKT = 0x21,
+ RTW89_WOW_RSN_RX_PATTERN_MATCH = 0x23,
+ RTW89_WOW_RSN_RX_NLO = 0x55,
+};
+
+int rtw89_wow_suspend(struct rtw89_dev *rtwdev, struct cfg80211_wowlan *wowlan);
+int rtw89_wow_resume(struct rtw89_dev *rtwdev);
+
+#endif
--
2.25.1