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Date: Wed, 22 Sep 2021 15:15:39 -0300
From: Ramon Fontes <ramonreisfontes@...il.com>
To: linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
linux-wireless@...r.kernel.org
Cc: johannes@...solutions.net, kvalo@...eaurora.org,
davem@...emloft.net, Ramon Fontes <ramonreisfontes@...il.com>
Subject: [PATCH] mac80211_hwsim: enable 6GHz channels
This adds 6 GHz capabilities and reject HT/VHT
Signed-off-by: Ramon Fontes <ramonreisfontes@...il.com>
---
drivers/net/wireless/mac80211_hwsim.c | 154 +++++++++++++++++++++++---
1 file changed, 141 insertions(+), 13 deletions(-)
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index ffa894f73..02c044d2f 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -2988,6 +2988,122 @@ static const struct ieee80211_sband_iftype_data he_capa_5ghz[] = {
#endif
};
+static const struct ieee80211_sband_iftype_data he_capa_6ghz[] = {
+ {
+ /* TODO: should we support other types, e.g., P2P?*/
+ .types_mask = BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_AP),
+ .he_6ghz_capa = {
+ .capa = IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START |
+ IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP |
+ IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN |
+ IEEE80211_HE_6GHZ_CAP_SM_PS |
+ IEEE80211_HE_6GHZ_CAP_RD_RESPONDER |
+ cpu_to_le16(IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS |
+ IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS),
+ },
+ .he_cap = {
+ .has_he = true,
+ .he_cap_elem = {
+ .mac_cap_info[0] =
+ IEEE80211_HE_MAC_CAP0_HTC_HE,
+ .mac_cap_info[1] =
+ IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US |
+ IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8,
+ .mac_cap_info[2] =
+ IEEE80211_HE_MAC_CAP2_BSR |
+ IEEE80211_HE_MAC_CAP2_MU_CASCADING |
+ IEEE80211_HE_MAC_CAP2_ACK_EN,
+ .mac_cap_info[3] =
+ IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
+ IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3,
+ .mac_cap_info[4] = IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU,
+ .phy_cap_info[0] =
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G |
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G,
+ .phy_cap_info[1] =
+ IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK |
+ IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A |
+ IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD |
+ IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS,
+ .phy_cap_info[2] =
+ IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US |
+ IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ |
+ IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ |
+ IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |
+ IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO,
+
+ /* Leave all the other PHY capability bytes
+ * unset, as DCM, beam forming, RU and PPE
+ * threshold information are not supported
+ */
+ },
+ .he_mcs_nss_supp = {
+ .rx_mcs_80 = cpu_to_le16(0xfffa),
+ .tx_mcs_80 = cpu_to_le16(0xfffa),
+ .rx_mcs_160 = cpu_to_le16(0xfffa),
+ .tx_mcs_160 = cpu_to_le16(0xfffa),
+ .rx_mcs_80p80 = cpu_to_le16(0xfffa),
+ .tx_mcs_80p80 = cpu_to_le16(0xfffa),
+ },
+ },
+ },
+#ifdef CONFIG_MAC80211_MESH
+ {
+ /* TODO: should we support other types, e.g., IBSS?*/
+ .types_mask = BIT(NL80211_IFTYPE_MESH_POINT),
+ .he_6ghz_capa = {
+ .capa = IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START |
+ IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP |
+ IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN |
+ IEEE80211_HE_6GHZ_CAP_SM_PS |
+ IEEE80211_HE_6GHZ_CAP_RD_RESPONDER |
+ cpu_to_le16(IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS |
+ IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS),
+ },
+ .he_cap = {
+ .has_he = true,
+ .he_cap_elem = {
+ .mac_cap_info[0] =
+ IEEE80211_HE_MAC_CAP0_HTC_HE,
+ .mac_cap_info[1] =
+ IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8,
+ .mac_cap_info[2] =
+ IEEE80211_HE_MAC_CAP2_ACK_EN,
+ .mac_cap_info[3] =
+ IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
+ IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3,
+ .mac_cap_info[4] = IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU,
+ .phy_cap_info[0] =
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G |
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G,
+ .phy_cap_info[1] =
+ IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK |
+ IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A |
+ IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD |
+ IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS,
+ .phy_cap_info[2] = 0,
+
+ /* Leave all the other PHY capability bytes
+ * unset, as DCM, beam forming, RU and PPE
+ * threshold information are not supported
+ */
+ },
+ .he_mcs_nss_supp = {
+ .rx_mcs_80 = cpu_to_le16(0xfffa),
+ .tx_mcs_80 = cpu_to_le16(0xfffa),
+ .rx_mcs_160 = cpu_to_le16(0xfffa),
+ .tx_mcs_160 = cpu_to_le16(0xfffa),
+ .rx_mcs_80p80 = cpu_to_le16(0xfffa),
+ .tx_mcs_80p80 = cpu_to_le16(0xfffa),
+ },
+ },
+ },
+#endif
+};
+
static void mac80211_hwsim_he_capab(struct ieee80211_supported_band *sband)
{
u16 n_iftype_data;
@@ -3000,6 +3116,10 @@ static void mac80211_hwsim_he_capab(struct ieee80211_supported_band *sband)
n_iftype_data = ARRAY_SIZE(he_capa_5ghz);
sband->iftype_data =
(struct ieee80211_sband_iftype_data *)he_capa_5ghz;
+ } else if (sband->band == NL80211_BAND_6GHZ) {
+ n_iftype_data = ARRAY_SIZE(he_capa_6ghz);
+ sband->iftype_data =
+ (struct ieee80211_sband_iftype_data *)he_capa_6ghz;
} else {
return;
}
@@ -3290,6 +3410,12 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
sband->vht_cap.vht_mcs.tx_mcs_map =
sband->vht_cap.vht_mcs.rx_mcs_map;
break;
+ case NL80211_BAND_6GHZ:
+ sband->channels = data->channels_6ghz;
+ sband->n_channels = ARRAY_SIZE(hwsim_channels_6ghz);
+ sband->bitrates = data->rates + 4;
+ sband->n_bitrates = ARRAY_SIZE(hwsim_rates) - 4;
+ break;
case NL80211_BAND_S1GHZ:
memcpy(&sband->s1g_cap, &hwsim_s1g_cap,
sizeof(sband->s1g_cap));
@@ -3300,19 +3426,21 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
continue;
}
- sband->ht_cap.ht_supported = true;
- 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;
+ if (band != NL80211_BAND_6GHZ){
+ sband->ht_cap.ht_supported = true;
+ 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;
+ }
mac80211_hwsim_he_capab(sband);
--
2.25.1
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