Commit e3e400df authored by Chin-Yen Lee's avatar Chin-Yen Lee Committed by Kalle Valo
Browse files

rtw88: Add wowlan pattern match support 



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 cam in suspend flow
if users have set up them. If packets matched designed
pattern are received, wowlan firmware will get an interrupt
and then wake up the device.

Signed-off-by: default avatarChin-Yen Lee <timlee@realtek.com>
Signed-off-by: default avatarYan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 44bc17f7

drivers/net/wireless/realtek/rtw88/fw.c

+6 −0
Original line number Diff line number Diff line
@@ -538,6 +538,8 @@ void rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 
			SET_WOWLAN_DEAUTH_WAKEUP_ENABLE(h2c_pkt, enable);

		if (test_bit(RTW_WOW_FLAG_EN_REKEY_PKT, rtw_wow->flags))

			SET_WOWLAN_REKEY_WAKEUP_ENABLE(h2c_pkt, enable);

		if (rtw_wow->pattern_cnt)

			SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, enable);

	}



	rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
@@ -596,6 +598,7 @@ void rtw_fw_set_pg_info(struct rtw_dev *rtwdev) 
	LPS_PG_INFO_LOC(h2c_pkt, loc_pg);

	LPS_PG_DPK_LOC(h2c_pkt, loc_dpk);

	LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup);

	LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup);



	rtw_fw_send_h2c_command(rtwdev, h2c_pkt);

}
@@ -677,6 +680,7 @@ static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw, 
	struct rtw_chip_info *chip = rtwdev->chip;

	struct rtw_lps_conf *conf = &rtwdev->lps_conf;

	struct rtw_lps_pg_info_hdr *pg_info_hdr;

	struct rtw_wow_param *rtw_wow = &rtwdev->wow;

	struct sk_buff *skb;

	u32 size;
@@ -691,8 +695,10 @@ static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw, 
	pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM);

	pg_info_hdr->sec_cam_count =

		rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam);

	pg_info_hdr->pattern_count = rtw_wow->pattern_cnt;



	conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0;

	conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0;



	return skb;

}

drivers/net/wireless/realtek/rtw88/fw.h

+4 −0
Original line number Diff line number Diff line
@@ -246,6 +246,8 @@ static inline void rtw_h2c_pkt_set_header(u8 *h2c_pkt, u8 sub_id) 
	le32p_replace_bits((__le32 *)(h2c_pkt) + 0x00, value, GENMASK(31, 24))

#define LPS_PG_SEC_CAM_EN(h2c_pkt, value)                                      \

	le32p_replace_bits((__le32 *)(h2c_pkt) + 0x00, value, BIT(8))

#define LPS_PG_PATTERN_CAM_EN(h2c_pkt, value)				       \

	le32p_replace_bits((__le32 *)(h2c_pkt) + 0x00, value, BIT(10))

#define SET_RSSI_INFO_MACID(h2c_pkt, value)                                    \

	le32p_replace_bits((__le32 *)(h2c_pkt) + 0x00, value, GENMASK(15, 8))

#define SET_RSSI_INFO_RSSI(h2c_pkt, value)                                     \
@@ -343,6 +345,8 @@ static inline void rtw_h2c_pkt_set_header(u8 *h2c_pkt, u8 sub_id) 


#define SET_WOWLAN_FUNC_ENABLE(h2c_pkt, value)				       \

	le32p_replace_bits((__le32 *)(h2c_pkt) + 0x00, value, BIT(8))

#define SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, value)			       \

	le32p_replace_bits((__le32 *)(h2c_pkt) + 0x00, value, BIT(9))

#define SET_WOWLAN_MAGIC_PKT_ENABLE(h2c_pkt, value)			       \

	le32p_replace_bits((__le32 *)(h2c_pkt) + 0x00, value, BIT(10))

#define SET_WOWLAN_UNICAST_PKT_ENABLE(h2c_pkt, value)			       \

drivers/net/wireless/realtek/rtw88/main.h

+14 −0
Original line number Diff line number Diff line
@@ -19,6 +19,10 @@ 
#define RTW_MAX_SEC_CAM_NUM		32

#define MAX_PG_CAM_BACKUP_NUM		8



#define RTW_MAX_PATTERN_NUM		12

#define RTW_MAX_PATTERN_MASK_SIZE	16

#define RTW_MAX_PATTERN_SIZE		128



#define RTW_WATCH_DOG_DELAY_TIME	round_jiffies_relative(HZ * 2)



#define RFREG_MASK			0xfffff
@@ -623,6 +627,7 @@ struct rtw_lps_conf { 
	u8 smart_ps;

	u8 port_id;

	bool sec_cam_backup;

	bool pattern_cam_backup;

};



enum rtw_hw_key_type {
@@ -917,10 +922,19 @@ struct rtw_intf_phy_para { 
	u16 platform;

};



struct rtw_wow_pattern {

	u16 crc;

	u8 type;

	u8 valid;

	u8 mask[RTW_MAX_PATTERN_MASK_SIZE];

};



struct rtw_wow_param {

	struct ieee80211_vif *wow_vif;

	DECLARE_BITMAP(flags, RTW_WOW_FLAG_MAX);

	u8 txpause;

	u8 pattern_cnt;

	struct rtw_wow_pattern patterns[RTW_MAX_PATTERN_NUM];

};



struct rtw_intf_phy_para_table {

drivers/net/wireless/realtek/rtw88/reg.h

+14 −0
Original line number Diff line number Diff line
@@ -338,6 +338,20 @@ 
#define BIT_RFMOD_80M		BIT(8)

#define BIT_RFMOD_40M		BIT(7)

#define REG_WMAC_TRXPTCL_CTL_H	0x066C

#define REG_WKFMCAM_CMD		0x0698

#define BIT_WKFCAM_POLLING_V1	BIT(31)

#define BIT_WKFCAM_CLR_V1	BIT(30)

#define BIT_WKFCAM_WE		BIT(16)

#define BIT_SHIFT_WKFCAM_ADDR_V2	8

#define BIT_MASK_WKFCAM_ADDR_V2		0xff

#define BIT_WKFCAM_ADDR_V2(x)						       \

	(((x) & BIT_MASK_WKFCAM_ADDR_V2) << BIT_SHIFT_WKFCAM_ADDR_V2)

#define REG_WKFMCAM_RWD         0x069C

#define BIT_WKFMCAM_VALID	BIT(31)

#define BIT_WKFMCAM_BC		BIT(26)

#define BIT_WKFMCAM_MC		BIT(25)

#define BIT_WKFMCAM_UC		BIT(24)



#define REG_RXFLTMAP0		0x06A0

#define REG_RXFLTMAP1		0x06A2

#define REG_RXFLTMAP2		0x06A4

drivers/net/wireless/realtek/rtw88/rtw8822c.c

+3 −0
Original line number Diff line number Diff line
@@ -4064,6 +4064,9 @@ static const struct rtw_pwr_track_tbl rtw8822c_rtw_pwr_track_tbl = { 
static const struct wiphy_wowlan_support rtw_wowlan_stub_8822c = {

	.flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_GTK_REKEY_FAILURE |

		 WIPHY_WOWLAN_DISCONNECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY,

	.n_patterns = RTW_MAX_PATTERN_NUM,

	.pattern_max_len = RTW_MAX_PATTERN_SIZE,

	.pattern_min_len = 1,

};

#endif

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