drivers/net/wireless/quantenna/qtnfmac/qlink_util.c

Source file repositories/reference/linux-study-clean/drivers/net/wireless/quantenna/qtnfmac/qlink_util.c

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/quantenna/qtnfmac/qlink_util.c
Extension
.c
Size
7575 bytes
Lines
304
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

// SPDX-License-Identifier: GPL-2.0+
/* Copyright (c) 2015-2016 Quantenna Communications. All rights reserved. */

#include <linux/nl80211.h>

#include "qlink_util.h"

u16 qlink_iface_type_to_nl_mask(u16 qlink_type)
{
	u16 result = 0;

	switch (qlink_type) {
	case QLINK_IFTYPE_AP:
		result |= BIT(NL80211_IFTYPE_AP);
		break;
	case QLINK_IFTYPE_STATION:
		result |= BIT(NL80211_IFTYPE_STATION);
		break;
	case QLINK_IFTYPE_ADHOC:
		result |= BIT(NL80211_IFTYPE_ADHOC);
		break;
	case QLINK_IFTYPE_MONITOR:
		result |= BIT(NL80211_IFTYPE_MONITOR);
		break;
	case QLINK_IFTYPE_WDS:
		result |= BIT(NL80211_IFTYPE_WDS);
		break;
	case QLINK_IFTYPE_AP_VLAN:
		result |= BIT(NL80211_IFTYPE_AP_VLAN);
		break;
	}

	return result;
}

u8 qlink_chan_width_mask_to_nl(u16 qlink_mask)
{
	u8 result = 0;

	if (qlink_mask & BIT(QLINK_CHAN_WIDTH_5))
		result |= BIT(NL80211_CHAN_WIDTH_5);

	if (qlink_mask & BIT(QLINK_CHAN_WIDTH_10))
		result |= BIT(NL80211_CHAN_WIDTH_10);

	if (qlink_mask & BIT(QLINK_CHAN_WIDTH_20_NOHT))
		result |= BIT(NL80211_CHAN_WIDTH_20_NOHT);

	if (qlink_mask & BIT(QLINK_CHAN_WIDTH_20))
		result |= BIT(NL80211_CHAN_WIDTH_20);

	if (qlink_mask & BIT(QLINK_CHAN_WIDTH_40))
		result |= BIT(NL80211_CHAN_WIDTH_40);

	if (qlink_mask & BIT(QLINK_CHAN_WIDTH_80))
		result |= BIT(NL80211_CHAN_WIDTH_80);

	if (qlink_mask & BIT(QLINK_CHAN_WIDTH_80P80))
		result |= BIT(NL80211_CHAN_WIDTH_80P80);

	if (qlink_mask & BIT(QLINK_CHAN_WIDTH_160))
		result |= BIT(NL80211_CHAN_WIDTH_160);

	return result;
}

static enum nl80211_chan_width qlink_chanwidth_to_nl(u8 qlw)
{
	switch (qlw) {
	case QLINK_CHAN_WIDTH_20_NOHT:
		return NL80211_CHAN_WIDTH_20_NOHT;
	case QLINK_CHAN_WIDTH_20:
		return NL80211_CHAN_WIDTH_20;
	case QLINK_CHAN_WIDTH_40:
		return NL80211_CHAN_WIDTH_40;
	case QLINK_CHAN_WIDTH_80:
		return NL80211_CHAN_WIDTH_80;
	case QLINK_CHAN_WIDTH_80P80:
		return NL80211_CHAN_WIDTH_80P80;
	case QLINK_CHAN_WIDTH_160:
		return NL80211_CHAN_WIDTH_160;
	case QLINK_CHAN_WIDTH_5:
		return NL80211_CHAN_WIDTH_5;
	case QLINK_CHAN_WIDTH_10:
		return NL80211_CHAN_WIDTH_10;
	default:
		return -1;
	}
}

Annotation

Implementation Notes