linux-kernel - [PATCH 2/2] wifi: mac80211_hwsim: add 6 GHz EHT Mesh capabilities

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Message-ID: <20241119-mesh_320mhz_support-v1-2-f9463338d584@quicinc.com>
Date: Tue, 19 Nov 2024 09:58:00 +0530
From: Aditya Kumar Singh <quic_adisi@...cinc.com>
To: Johannes Berg <johannes@...solutions.net>, Kalle Valo <kvalo@...nel.org>
CC: <linux-wireless@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        "Aditya
 Kumar Singh" <quic_adisi@...cinc.com>
Subject: [PATCH 2/2] wifi: mac80211_hwsim: add 6 GHz EHT Mesh capabilities

To facilitate testing of mesh EHT 320 MHz, add support for advertising
this capability.

Signed-off-by: Aditya Kumar Singh <quic_adisi@...cinc.com>
---
 drivers/net/wireless/virtual/mac80211_hwsim.c | 39 +++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/drivers/net/wireless/virtual/mac80211_hwsim.c b/drivers/net/wireless/virtual/mac80211_hwsim.c
index 347a15544afedb238680068088487eefe24524c3..cf6a331d404271141f3e9a736feba1ad8cfead5a 100644
--- a/drivers/net/wireless/virtual/mac80211_hwsim.c
+++ b/drivers/net/wireless/virtual/mac80211_hwsim.c
@@ -5048,6 +5048,45 @@ static const struct ieee80211_sband_iftype_data sband_capa_6ghz[] = {
 				.tx_mcs_80p80 = cpu_to_le16(0xfffa),
 			},
 		},
+		.eht_cap = {
+			.has_eht = true,
+			.eht_cap_elem = {
+				.mac_cap_info[0] = IEEE80211_EHT_MAC_CAP0_OM_CONTROL |
+						   IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1,
+				.phy_cap_info[0] = IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ,
+				/* Leave all the other PHY capability bytes
+				 * unset, as DCM, beam forming, RU and PPE
+				 * threshold information are not supported
+				 */
+			},
+			/* For all MCS and bandwidth, set 8 NSS for both Tx and
+			 * Rx
+			 */
+			.eht_mcs_nss_supp = {
+				/* As B1 and B2 are set in the supported
+				 * channel width set field in the HE PHY
+				 * capabilities information field and 320MHz in
+				 * 6GHz is supported include all the following
+				 * MCS/NSS.
+				 */
+				.bw._80 = {
+					.rx_tx_mcs9_max_nss = 0x88,
+					.rx_tx_mcs11_max_nss = 0x88,
+					.rx_tx_mcs13_max_nss = 0x88,
+				},
+				.bw._160 = {
+					.rx_tx_mcs9_max_nss = 0x88,
+					.rx_tx_mcs11_max_nss = 0x88,
+					.rx_tx_mcs13_max_nss = 0x88,
+				},
+				.bw._320 = {
+					.rx_tx_mcs9_max_nss = 0x88,
+					.rx_tx_mcs11_max_nss = 0x88,
+					.rx_tx_mcs13_max_nss = 0x88,
+				},
+			},
+			/* PPE threshold information is not supported */
+		},
 	},
 #endif
 };

-- 
2.34.1