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From:   gregory.greenman@intel.com
To:     kvalo@kernel.org, johannes@sipsolutions.net
Cc:     linux-wireless@vger.kernel.org,
        Johannes Berg <johannes.berg@intel.com>,
        Gregory Greenman <gregory.greenman@intel.com>
Subject: [PATCH 2/2] iwlwifi: mvm: add minimal EHT rate reporting
Date:   Mon,  9 Jan 2023 13:07:22 +0200
Message-Id: <20230109130329.5f34d73d1f74.Ib27ae7bd23bc152d61021fd73aabdc76679b9fe4@changeid>
In-Reply-To: <20230109110722.212758-1-gregory.greenman@intel.com>
References: <20230109110722.212758-1-gregory.greenman@intel.com>
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From: Johannes Berg <johannes.berg@intel.com>

Now with all the prework, this is fairly simple, just report the
new bandwidth and RX_ENC_EHT type in RX, and for now just do a
minimal report of the EHT TLC rate in iwl_mvm_set_sta_rate().

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
---
 drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c | 7 +++++++
 drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c     | 7 +++++++
 2 files changed, 14 insertions(+)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index 5273ade71117..565522466eba 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -5116,6 +5116,9 @@ static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo)
 	case RATE_MCS_CHAN_WIDTH_160:
 		rinfo->bw = RATE_INFO_BW_160;
 		break;
+	case RATE_MCS_CHAN_WIDTH_320:
+		rinfo->bw = RATE_INFO_BW_320;
+		break;
 	}
 
 	if (format == RATE_MCS_CCK_MSK ||
@@ -5176,6 +5179,10 @@ static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo)
 		rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
 
 	switch (format) {
+	case RATE_MCS_EHT_MSK:
+		/* TODO: GI/LTF/RU. How does the firmware encode them? */
+		rinfo->flags |= RATE_INFO_FLAGS_EHT_MCS;
+		break;
 	case RATE_MCS_HE_MSK:
 		gi_ltf = u32_get_bits(rate_n_flags, RATE_MCS_HE_GI_LTF_MSK);
 
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
index 97b67270f384..a6f0aed5a815 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
@@ -1690,6 +1690,9 @@ static void iwl_mvm_rx_fill_status(struct iwl_mvm *mvm,
 	case RATE_MCS_CHAN_WIDTH_160:
 		rx_status->bw = RATE_INFO_BW_160;
 		break;
+	case RATE_MCS_CHAN_WIDTH_320:
+		rx_status->bw = RATE_INFO_BW_320;
+		break;
 	}
 
 	/* must be before L-SIG data */
@@ -1726,6 +1729,9 @@ static void iwl_mvm_rx_fill_status(struct iwl_mvm *mvm,
 		rx_status->he_dcm =
 			!!(rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK);
 		break;
+	case RATE_MCS_EHT_MSK:
+		rx_status->encoding = RX_ENC_EHT;
+		break;
 	}
 
 	switch (format) {
@@ -1736,6 +1742,7 @@ static void iwl_mvm_rx_fill_status(struct iwl_mvm *mvm,
 		break;
 	case RATE_MCS_VHT_MSK:
 	case RATE_MCS_HE_MSK:
+	case RATE_MCS_EHT_MSK:
 		rx_status->nss =
 			u32_get_bits(rate_n_flags, RATE_MCS_NSS_MSK) + 1;
 		rx_status->rate_idx = rate_n_flags & RATE_MCS_CODE_MSK;
-- 
2.38.1