diff mbox series

[2/2] ath11k: add LDPC FEC type in 802.11 radiotap header

Message ID 1638294648-844-3-git-send-email-quic_ppranees@quicinc.com
State New
Headers show
Series mac80211/ath11k: add FEC type in radiotap header | expand

Commit Message

P Praneesh Nov. 30, 2021, 5:50 p.m. UTC 
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>
---
 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(-)

Comments

Kalle Valo Dec. 20, 2021, 7:16 p.m. UTC | #1 
P Praneesh <quic_ppranees@quicinc.com> wrote:

> 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>

Depends on:

57553c3a6cfe ("mac80211: fix FEC flag in radio tap header")

Currently in mac80211-next.
Johannes Berg Dec. 20, 2021, 7:59 p.m. UTC | #2 
On Mon, 2021-12-20 at 19:16 +0000, Kalle Valo wrote:
> P Praneesh <quic_ppranees@quicinc.com> wrote:
> 
> > 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>
> 
> Depends on:
> 
> 57553c3a6cfe ("mac80211: fix FEC flag in radio tap header")
> 

Technically, you could apply it, it just won't be very useful until you
have both together.

johannes
Kalle Valo Dec. 21, 2021, 9:57 a.m. UTC | #3 
Johannes Berg <johannes@sipsolutions.net> writes:

> On Mon, 2021-12-20 at 19:16 +0000, Kalle Valo wrote:
>> P Praneesh <quic_ppranees@quicinc.com> wrote:
>> 
>> > 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>
>> 
>> Depends on:
>> 
>> 57553c3a6cfe ("mac80211: fix FEC flag in radio tap header")
>
> Technically, you could apply it, it just won't be very useful until you
> have both together.

Ok, thanks. But to keep things simple I'll still wait for the mac80211
patch to land ath-next.
diff mbox series

Patch

diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c
index 40f1c86..ed14a90 100644
--- 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)
 {
@@ -2331,7 +2338,7 @@  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);
@@ -2373,6 +2380,9 @@  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 2f0b526..25e902d 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 2c9d232..e025eda 100644
--- a/drivers/net/wireless/ath/ath11k/hw.h
+++ b/drivers/net/wireless/ath/ath11k/hw.h
@@ -199,6 +199,7 @@  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);