net/mac80211/tests/util.c

Source file repositories/reference/linux-study-clean/net/mac80211/tests/util.c

File Facts

System
Linux kernel
Corpus path
net/mac80211/tests/util.c
Extension
.c
Size
9879 bytes
Lines
310
Domain
Networking Core
Bucket
Sockets, Protocols, Packet Path, And Network Policy
Inferred role
Networking Core: implementation source
Status
source implementation candidate

Why This File Exists

Networking stack implementation surface: socket APIs, protocol dispatch, packet flow, routing, filtering, and network namespaces.

Dependency Surface

Detected Declarations

Annotated Snippet

switch (band) {
		case NL80211_BAND_2GHZ:
			sband->channels = kmemdup(channels_2ghz,
						  sizeof(channels_2ghz),
						  GFP_KERNEL);
			sband->n_channels = ARRAY_SIZE(channels_2ghz);
			sband->bitrates = kmemdup(bitrates,
						  sizeof(bitrates),
						  GFP_KERNEL);
			sband->n_bitrates = ARRAY_SIZE(bitrates);
			break;
		case NL80211_BAND_5GHZ:
			sband->channels = kmemdup(channels_5ghz,
						  sizeof(channels_5ghz),
						  GFP_KERNEL);
			sband->n_channels = ARRAY_SIZE(channels_5ghz);
			sband->bitrates = kmemdup(bitrates,
						  sizeof(bitrates),
						  GFP_KERNEL);
			sband->n_bitrates = ARRAY_SIZE(bitrates);

			sband->vht_cap.vht_supported = true;
			sband->vht_cap.cap =
				IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
				IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ |
				IEEE80211_VHT_CAP_RXLDPC |
				IEEE80211_VHT_CAP_SHORT_GI_80 |
				IEEE80211_VHT_CAP_SHORT_GI_160 |
				IEEE80211_VHT_CAP_TXSTBC |
				IEEE80211_VHT_CAP_RXSTBC_4 |
				IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
			sband->vht_cap.vht_mcs.rx_mcs_map =
				cpu_to_le16(IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
					    IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 |
					    IEEE80211_VHT_MCS_SUPPORT_0_9 << 4 |
					    IEEE80211_VHT_MCS_SUPPORT_0_9 << 6);
			sband->vht_cap.vht_mcs.tx_mcs_map =
				sband->vht_cap.vht_mcs.rx_mcs_map;
			break;
		default:
			continue;
		}

		sband->ht_cap.ht_supported = band != NL80211_BAND_6GHZ;
		sband->ht_cap.cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
					IEEE80211_HT_CAP_GRN_FLD |
					IEEE80211_HT_CAP_SGI_20 |
					IEEE80211_HT_CAP_SGI_40 |
					IEEE80211_HT_CAP_DSSSCCK40;
		sband->ht_cap.ampdu_factor = 0x3;
		sband->ht_cap.ampdu_density = 0x6;
		memset(&sband->ht_cap.mcs, 0, sizeof(sband->ht_cap.mcs));
		sband->ht_cap.mcs.rx_mask[0] = 0xff;
		sband->ht_cap.mcs.rx_mask[1] = 0xff;
		sband->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
	}

	ieee80211_set_sband_iftype_data(&t_sdata->band_5ghz, sband_capa_5ghz);

	return 0;
}

void t_sdata_exit(struct kunit_resource *resource)
{
	struct t_sdata *t_sdata = resource->data;

	kfree(t_sdata->band_2ghz.channels);
	kfree(t_sdata->band_2ghz.bitrates);
	kfree(t_sdata->band_5ghz.channels);
	kfree(t_sdata->band_5ghz.bitrates);

	kfree(t_sdata->sdata);
	kfree(t_sdata->wiphy);

	kfree(t_sdata);
}

Annotation

Implementation Notes