drivers/staging/rtl8723bs/core/rtw_wlan_util.c

Source file repositories/reference/linux-study-clean/drivers/staging/rtl8723bs/core/rtw_wlan_util.c

File Facts

System
Linux kernel
Corpus path
drivers/staging/rtl8723bs/core/rtw_wlan_util.c
Extension
.c
Size
48016 bytes
Lines
1772
Domain
Driver Families
Bucket
drivers/staging
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

switch (rate) {
		case 0xff:
			return len;

		case 0xfe:
			continue;

		default:
			rate = ratetbl_val_2wifirate(rate);

			if (is_basicrate(padapter, rate) == true)
				rate |= IEEE80211_BASIC_RATE_MASK;

			rateset[len] = rate;
			len++;
			break;
		}
	}
	return len;
}

void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len)
{
	unsigned char supportedrates[NumRates];

	memset(supportedrates, 0, NumRates);
	*bssrate_len = ratetbl2rateset(padapter, supportedrates);
	memcpy(pbssrate, supportedrates, *bssrate_len);
}

void set_mcs_rate_by_mask(u8 *mcs_set, u32 mask)
{
	u8 mcs_rate_1r = (u8)(mask & 0xff);
	u8 mcs_rate_2r = (u8)((mask >> 8) & 0xff);
	u8 mcs_rate_3r = (u8)((mask >> 16) & 0xff);
	u8 mcs_rate_4r = (u8)((mask >> 24) & 0xff);

	mcs_set[0] &= mcs_rate_1r;
	mcs_set[1] &= mcs_rate_2r;
	mcs_set[2] &= mcs_rate_3r;
	mcs_set[3] &= mcs_rate_4r;
}

void update_basic_rate_table(struct adapter *Adapter, u8 *mBratesOS)
{
	u8 i;
	u8 rate;

	/*  1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */
	for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
		rate = mBratesOS[i] & 0x7f;
		switch (rate) {
		case IEEE80211_CCK_RATE_1MB:
		case IEEE80211_CCK_RATE_2MB:
		case IEEE80211_CCK_RATE_5MB:
		case IEEE80211_CCK_RATE_11MB:
		case IEEE80211_OFDM_RATE_6MB:
		case IEEE80211_OFDM_RATE_12MB:
		case IEEE80211_OFDM_RATE_24MB:
			mBratesOS[i] |= IEEE80211_BASIC_RATE_MASK;
			break;
		}
	}
}

void update_basic_rate_table_soft_ap(u8 *bssrateset, u32 bssratelen)
{
	u8 i;
	u8 rate;

	for (i = 0; i < bssratelen; i++) {
		rate = bssrateset[i] & 0x7f;
		switch (rate) {
		case IEEE80211_CCK_RATE_1MB:
		case IEEE80211_CCK_RATE_2MB:
		case IEEE80211_CCK_RATE_5MB:
		case IEEE80211_CCK_RATE_11MB:
			bssrateset[i] |= IEEE80211_BASIC_RATE_MASK;
			break;
		}
	}
}

void Save_DM_Func_Flag(struct adapter *padapter)
{
	u8 bSaveFlag = true;

	rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag));
}

Annotation

Implementation Notes