ath11k: add LDPC FEC type in 802.11 radiotap header

LDPC is one the FEC type advertised in msdu_start info2 for HT packet
type. Hence, add hardware specific callback for fetching LDPC
support from msdu start and enable RX_ENC_FLAG_LDPC flag while passing
rx status to mac80211.

Tested-on: IPQ8074 WLAN.HK.2.4.0.1-01467-QCAHKSWPL_SILICONZ-1

Signed-off-by: P Praneesh <quic_ppranees@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/1638294648-844-3-git-send-email-quic_ppranees@quicinc.com

diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c
index c212a78..46d8ab7 100644 (file)
--- a/drivers/net/wireless/ath/ath11k/dp_rx.c
+++ b/drivers/net/wireless/ath/ath11k/dp_rx.c
@@ -43,6 +43,13 @@ static inline u8 ath11k_dp_rx_h_msdu_start_decap_type(struct ath11k_base *ab,
 }
 
 static inline
+bool ath11k_dp_rx_h_msdu_start_ldpc_support(struct ath11k_base *ab,
+                                           struct hal_rx_desc *desc)
+{
+       return ab->hw_params.hw_ops->rx_desc_get_ldpc_support(desc);
+}
+
+static inline
 u8 ath11k_dp_rx_h_msdu_start_mesh_ctl_present(struct ath11k_base *ab,
                                              struct hal_rx_desc *desc)
 {
@@ -2313,7 +2320,7 @@ static void ath11k_dp_rx_h_rate(struct ath11k *ar, struct hal_rx_desc *rx_desc,
        u8 bw;
        u8 rate_mcs, nss;
        u8 sgi;
-       bool is_cck;
+       bool is_cck, is_ldpc;
 
        pkt_type = ath11k_dp_rx_h_msdu_start_pkt_type(ar->ab, rx_desc);
        bw = ath11k_dp_rx_h_msdu_start_rx_bw(ar->ab, rx_desc);
@@ -2355,6 +2362,9 @@ static void ath11k_dp_rx_h_rate(struct ath11k *ar, struct hal_rx_desc *rx_desc,
                if (sgi)
                        rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
                rx_status->bw = ath11k_mac_bw_to_mac80211_bw(bw);
+               is_ldpc = ath11k_dp_rx_h_msdu_start_ldpc_support(ar->ab, rx_desc);
+               if (is_ldpc)
+                       rx_status->enc_flags |= RX_ENC_FLAG_LDPC;
                break;
        case RX_MSDU_START_PKT_TYPE_11AX:
                rx_status->rate_idx = rate_mcs;

diff --git a/drivers/net/wireless/ath/ath11k/hw.c b/drivers/net/wireless/ath/ath11k/hw.c
index 3b0fdc1..b7e3b66 100644 (file)
--- a/drivers/net/wireless/ath/ath11k/hw.c
+++ b/drivers/net/wireless/ath/ath11k/hw.c
@@ -273,6 +273,12 @@ static u8 ath11k_hw_ipq8074_rx_desc_get_mesh_ctl(struct hal_rx_desc *desc)
                         __le32_to_cpu(desc->u.ipq8074.msdu_start.info2));
 }
 
+static bool ath11k_hw_ipq8074_rx_desc_get_ldpc_support(struct hal_rx_desc *desc)
+{
+       return FIELD_GET(RX_MSDU_START_INFO2_LDPC,
+                        __le32_to_cpu(desc->u.ipq8074.msdu_start.info2));
+}
+
 static bool ath11k_hw_ipq8074_rx_desc_get_mpdu_seq_ctl_vld(struct hal_rx_desc *desc)
 {
        return !!FIELD_GET(RX_MPDU_START_INFO1_MPDU_SEQ_CTRL_VALID,
@@ -444,6 +450,12 @@ static u8 ath11k_hw_qcn9074_rx_desc_get_mesh_ctl(struct hal_rx_desc *desc)
                         __le32_to_cpu(desc->u.qcn9074.msdu_start.info2));
 }
 
+static bool ath11k_hw_qcn9074_rx_desc_get_ldpc_support(struct hal_rx_desc *desc)
+{
+       return FIELD_GET(RX_MSDU_START_INFO2_LDPC,
+                        __le32_to_cpu(desc->u.qcn9074.msdu_start.info2));
+}
+
 static bool ath11k_hw_qcn9074_rx_desc_get_mpdu_seq_ctl_vld(struct hal_rx_desc *desc)
 {
        return !!FIELD_GET(RX_MPDU_START_INFO11_MPDU_SEQ_CTRL_VALID,
@@ -815,6 +827,7 @@ const struct ath11k_hw_ops ipq8074_ops = {
        .rx_desc_get_encrypt_type = ath11k_hw_ipq8074_rx_desc_get_encrypt_type,
        .rx_desc_get_decap_type = ath11k_hw_ipq8074_rx_desc_get_decap_type,
        .rx_desc_get_mesh_ctl = ath11k_hw_ipq8074_rx_desc_get_mesh_ctl,
+       .rx_desc_get_ldpc_support = ath11k_hw_ipq8074_rx_desc_get_ldpc_support,
        .rx_desc_get_mpdu_seq_ctl_vld = ath11k_hw_ipq8074_rx_desc_get_mpdu_seq_ctl_vld,
        .rx_desc_get_mpdu_fc_valid = ath11k_hw_ipq8074_rx_desc_get_mpdu_fc_valid,
        .rx_desc_get_mpdu_start_seq_no = ath11k_hw_ipq8074_rx_desc_get_mpdu_start_seq_no,
@@ -853,6 +866,7 @@ const struct ath11k_hw_ops ipq6018_ops = {
        .rx_desc_get_encrypt_type = ath11k_hw_ipq8074_rx_desc_get_encrypt_type,
        .rx_desc_get_decap_type = ath11k_hw_ipq8074_rx_desc_get_decap_type,
        .rx_desc_get_mesh_ctl = ath11k_hw_ipq8074_rx_desc_get_mesh_ctl,
+       .rx_desc_get_ldpc_support = ath11k_hw_ipq8074_rx_desc_get_ldpc_support,
        .rx_desc_get_mpdu_seq_ctl_vld = ath11k_hw_ipq8074_rx_desc_get_mpdu_seq_ctl_vld,
        .rx_desc_get_mpdu_fc_valid = ath11k_hw_ipq8074_rx_desc_get_mpdu_fc_valid,
        .rx_desc_get_mpdu_start_seq_no = ath11k_hw_ipq8074_rx_desc_get_mpdu_start_seq_no,
@@ -891,6 +905,7 @@ const struct ath11k_hw_ops qca6390_ops = {
        .rx_desc_get_encrypt_type = ath11k_hw_ipq8074_rx_desc_get_encrypt_type,
        .rx_desc_get_decap_type = ath11k_hw_ipq8074_rx_desc_get_decap_type,
        .rx_desc_get_mesh_ctl = ath11k_hw_ipq8074_rx_desc_get_mesh_ctl,
+       .rx_desc_get_ldpc_support = ath11k_hw_ipq8074_rx_desc_get_ldpc_support,
        .rx_desc_get_mpdu_seq_ctl_vld = ath11k_hw_ipq8074_rx_desc_get_mpdu_seq_ctl_vld,
        .rx_desc_get_mpdu_fc_valid = ath11k_hw_ipq8074_rx_desc_get_mpdu_fc_valid,
        .rx_desc_get_mpdu_start_seq_no = ath11k_hw_ipq8074_rx_desc_get_mpdu_start_seq_no,
@@ -929,6 +944,7 @@ const struct ath11k_hw_ops qcn9074_ops = {
        .rx_desc_get_encrypt_type = ath11k_hw_qcn9074_rx_desc_get_encrypt_type,
        .rx_desc_get_decap_type = ath11k_hw_qcn9074_rx_desc_get_decap_type,
        .rx_desc_get_mesh_ctl = ath11k_hw_qcn9074_rx_desc_get_mesh_ctl,
+       .rx_desc_get_ldpc_support = ath11k_hw_qcn9074_rx_desc_get_ldpc_support,
        .rx_desc_get_mpdu_seq_ctl_vld = ath11k_hw_qcn9074_rx_desc_get_mpdu_seq_ctl_vld,
        .rx_desc_get_mpdu_fc_valid = ath11k_hw_qcn9074_rx_desc_get_mpdu_fc_valid,
        .rx_desc_get_mpdu_start_seq_no = ath11k_hw_qcn9074_rx_desc_get_mpdu_start_seq_no,

diff --git a/drivers/net/wireless/ath/ath11k/hw.h b/drivers/net/wireless/ath/ath11k/hw.h
index 29934b3..e06d392 100644 (file)
--- a/drivers/net/wireless/ath/ath11k/hw.h
+++ b/drivers/net/wireless/ath/ath11k/hw.h
@@ -210,6 +210,7 @@ struct ath11k_hw_ops {
        u32 (*rx_desc_get_encrypt_type)(struct hal_rx_desc *desc);
        u8 (*rx_desc_get_decap_type)(struct hal_rx_desc *desc);
        u8 (*rx_desc_get_mesh_ctl)(struct hal_rx_desc *desc);
+       bool (*rx_desc_get_ldpc_support)(struct hal_rx_desc *desc);
        bool (*rx_desc_get_mpdu_seq_ctl_vld)(struct hal_rx_desc *desc);
        bool (*rx_desc_get_mpdu_fc_valid)(struct hal_rx_desc *desc);
        u16 (*rx_desc_get_mpdu_start_seq_no)(struct hal_rx_desc *desc);