From b3febdccde3eb086b892485c923cd6b73b2ce9d7 Mon Sep 17 00:00:00 2001 From: P Praneesh Date: Tue, 11 Jan 2022 16:42:52 +0200 Subject: [PATCH] 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 Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/1638294648-844-3-git-send-email-quic_ppranees@quicinc.com --- drivers/net/wireless/ath/ath11k/dp_rx.c | 12 +++++++++++- drivers/net/wireless/ath/ath11k/hw.c | 16 ++++++++++++++++ drivers/net/wireless/ath/ath11k/hw.h | 1 + 3 files changed, 28 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c index c212a789421ee..46d8ab71b59f4 100644 --- a/drivers/net/wireless/ath/ath11k/dp_rx.c +++ b/drivers/net/wireless/ath/ath11k/dp_rx.c @@ -42,6 +42,13 @@ static inline u8 ath11k_dp_rx_h_msdu_start_decap_type(struct ath11k_base *ab, return ab->hw_params.hw_ops->rx_desc_get_decap_type(desc); } +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 3b0fdc1a6b3f4..b7e3b668a9c01 100644 --- 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 29934b36c14e4..e06d392be2fbe 100644 --- 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);