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mt76: mt7921: introduce PM support

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Introduce suspend/resume and WoW (Wake-on-WoWLAN) support to mt7921
driver to allow remote wakeu-up from the suspend state.

Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Co-developed-by: Soul Huang <[email protected]>
Signed-off-by: Soul Huang <[email protected]>
Signed-off-by: Sean Wang <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Sean Wang
2021-01-29 18:18:44 +01:00
committed by Felix Fietkau
parent cb99bf4655
commit 71f9f09ee9
5 changed files with 589 additions and 0 deletions
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mt7921/mcu.h
+99
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@@ -182,6 +182,105 @@ struct mt7921_mcu_uni_event {
__le32 status; /* 0: success, others: fail */
} __packed;
enum {
WOW_USB = 1,
WOW_PCIE = 2,
WOW_GPIO = 3,
};
struct mt7921_wow_ctrl_tlv {
__le16 tag;
__le16 len;
u8 cmd; /* 0x1: PM_WOWLAN_REQ_START
* 0x2: PM_WOWLAN_REQ_STOP
* 0x3: PM_WOWLAN_PARAM_CLEAR
*/
u8 trigger; /* 0: NONE
* BIT(0): NL80211_WOWLAN_TRIG_MAGIC_PKT
* BIT(1): NL80211_WOWLAN_TRIG_ANY
* BIT(2): NL80211_WOWLAN_TRIG_DISCONNECT
* BIT(3): NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
* BIT(4): BEACON_LOST
* BIT(5): NL80211_WOWLAN_TRIG_NET_DETECT
*/
u8 wakeup_hif; /* 0x0: HIF_SDIO
* 0x1: HIF_USB
* 0x2: HIF_PCIE
* 0x3: HIF_GPIO
*/
u8 pad;
u8 rsv[4];
} __packed;
struct mt7921_wow_gpio_param_tlv {
__le16 tag;
__le16 len;
u8 gpio_pin;
u8 trigger_lvl;
u8 pad[2];
__le32 gpio_interval;
u8 rsv[4];
} __packed;
#define MT7921_WOW_MASK_MAX_LEN 16
#define MT7921_WOW_PATTEN_MAX_LEN 128
struct mt7921_wow_pattern_tlv {
__le16 tag;
__le16 len;
u8 index; /* pattern index */
u8 enable; /* 0: disable
* 1: enable
*/
u8 data_len; /* pattern length */
u8 pad;
u8 mask[MT7921_WOW_MASK_MAX_LEN];
u8 pattern[MT7921_WOW_PATTEN_MAX_LEN];
u8 rsv[4];
} __packed;
struct mt7921_suspend_tlv {
__le16 tag;
__le16 len;
u8 enable; /* 0: suspend mode disabled
* 1: suspend mode enabled
*/
u8 mdtim; /* LP parameter */
u8 wow_suspend; /* 0: update by origin policy
* 1: update by wow dtim
*/
u8 pad[5];
} __packed;
struct mt7921_gtk_rekey_tlv {
__le16 tag;
__le16 len;
u8 kek[NL80211_KEK_LEN];
u8 kck[NL80211_KCK_LEN];
u8 replay_ctr[NL80211_REPLAY_CTR_LEN];
u8 rekey_mode; /* 0: rekey offload enable
* 1: rekey offload disable
* 2: rekey update
*/
u8 keyid;
u8 pad[2];
__le32 proto; /* WPA-RSN-WAPI-OPSN */
__le32 pairwise_cipher;
__le32 group_cipher;
__le32 key_mgmt; /* NONE-PSK-IEEE802.1X */
__le32 mgmt_group_cipher;
u8 option; /* 1: rekey data update without enabling offload */
u8 reserverd[3];
} __packed;
struct mt7921_arpns_tlv {
__le16 tag;
__le16 len;
u8 mode;
u8 ips_num;
u8 option;
u8 pad[1];
} __packed;
/* offload mcu commands */
enum {
MCU_CMD_START_HW_SCAN = MCU_CE_PREFIX | 0x03,