drivers/net/wireless/realtek/rtw89/wow.h

Source file repositories/reference/linux-study-clean/drivers/net/wireless/realtek/rtw89/wow.h

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/realtek/rtw89/wow.h
Extension
.h
Size
3485 bytes
Lines
142
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct rtw89_cipher_suite {
	u8 oui[3];
	u8 type;
} __packed;

struct rtw89_rsn_ie {
	u8 tag_number;
	u8 tag_length;
	__le16 rsn_version;
	struct rtw89_cipher_suite group_cipher_suite;
	__le16 pairwise_cipher_suite_cnt;
	struct rtw89_cipher_suite pairwise_cipher_suite;
	__le16 akm_cipher_suite_cnt;
	struct rtw89_cipher_suite akm_cipher_suite;
} __packed;

struct rtw89_cipher_info {
	u32 cipher;
	u8 fw_alg;
	enum ieee80211_key_len len;
};

struct rtw89_set_key_info_iter_data {
	u32 gtk_cipher;
	u32 igtk_cipher;
	bool rx_ready;
	bool error;
	bool tkip_gtk_swapped;
};

static inline int rtw89_wow_get_sec_hdr_len(struct rtw89_dev *rtwdev)
{
	struct rtw89_wow_param *rtw_wow = &rtwdev->wow;

	if (!(rtwdev->chip->chip_id == RTL8852A || rtw89_is_rtl885xb(rtwdev)))
		return 0;

	switch (rtw_wow->ptk_alg) {
	case RTW89_WOW_FW_ALG_WEP40:
		return 4;
	case RTW89_WOW_FW_ALG_TKIP:
	case RTW89_WOW_FW_ALG_CCMP:
	case RTW89_WOW_FW_ALG_GCMP_256:
		return 8;
	default:
		return 0;
	}
}

#ifdef CONFIG_PM
static inline bool rtw89_wow_mgd_linked(struct rtw89_dev *rtwdev)
{
	struct rtw89_vif_link *rtwvif_link = rtwdev->wow.rtwvif_link;

	return rtwvif_link->net_type == RTW89_NET_TYPE_INFRA;
}

static inline bool rtw89_wow_no_link(struct rtw89_dev *rtwdev)
{
	struct rtw89_vif_link *rtwvif_link = rtwdev->wow.rtwvif_link;

	return rtwvif_link->net_type == RTW89_NET_TYPE_NO_LINK;
}

static inline bool rtw_wow_has_mgd_features(struct rtw89_dev *rtwdev)
{
	struct rtw89_wow_param *rtw_wow = &rtwdev->wow;

	return !bitmap_empty(rtw_wow->flags, RTW89_WOW_FLAG_NUM);
}

void __rtw89_wow_parse_akm(struct rtw89_dev *rtwdev, struct sk_buff *skb);

static inline
void rtw89_wow_parse_akm(struct rtw89_dev *rtwdev, struct sk_buff *skb)
{
	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;

	if (likely(!ieee80211_is_assoc_req(hdr->frame_control)))
		return;

	__rtw89_wow_parse_akm(rtwdev, skb);
}

int rtw89_wow_suspend(struct rtw89_dev *rtwdev, struct cfg80211_wowlan *wowlan);
int rtw89_wow_resume(struct rtw89_dev *rtwdev);
#else
static inline
void rtw89_wow_parse_akm(struct rtw89_dev *rtwdev, struct sk_buff *skb)
{

Annotation

Implementation Notes