[PATCH 16/50] wifi: ath12k: add dp_rx.h

Kalle Valo
2022-08-12T16:09:29Z

From: Kalle Valo <quic_kvalo@quicinc.com>

(Patches split into one patch per file for easier review, but the final
commit will be one big patch. See the cover letter for more info.)

Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
---
drivers/net/wireless/ath/ath12k/dp_rx.h | 160 ++++++++++++++++++++++++++++++++
1 file changed, 160 insertions(+)

diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.h b/drivers/net/wireless/ath/ath12k/dp_rx.h
new file mode 100644
index 000000000000..60a52f83bdcd
--- /dev/null
+++ b/drivers/net/wireless/ath/ath12k/dp_rx.h
@@ -0,0 +1,160 @@
+/* SPDX-License-Identifier: BSD-3-Clause-Clear */
+/*
+ * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+#ifndef ATH12K_DP_RX_H
+#define ATH12K_DP_RX_H
+
+#include "core.h"
+#include "rx_desc.h"
+#include "debug.h"
+
+#define DP_MAX_NWIFI_HDR_LEN 30
+
+struct ath12k_dp_rx_tid {
+ u8 tid;
+ u32 *vaddr;
+ dma_addr_t paddr;
+ u32 size;
+ u32 ba_win_sz;
+ bool active;
+
+ /* Info related to rx fragments */
+ u32 cur_sn;
+ u16 last_frag_no;
+ u16 rx_frag_bitmap;
+
+ struct sk_buff_head rx_frags;
+ struct hal_reo_dest_ring *dst_ring_desc;
+
+ /* Timer info related to fragments */
+ struct timer_list frag_timer;
+ struct ath12k_base *ab;
+};
+
+struct ath12k_dp_rx_reo_cache_flush_elem {
+ struct list_head list;
+ struct ath12k_dp_rx_tid data;
+ unsigned long ts;
+};
+
+struct ath12k_dp_rx_reo_cmd {
+ struct list_head list;
+ struct ath12k_dp_rx_tid data;
+ int cmd_num;
+ void (*handler)(struct ath12k_dp *dp, void *ctx,
+ enum hal_reo_cmd_status status);
+};
+
+#define ATH12K_DP_RX_REO_DESC_FREE_THRES 64
+#define ATH12K_DP_RX_REO_DESC_FREE_TIMEOUT_MS 1000
+
+enum ath12k_dp_rx_decap_type {
+ DP_RX_DECAP_TYPE_RAW,
+ DP_RX_DECAP_TYPE_NATIVE_WIFI,
+ DP_RX_DECAP_TYPE_ETHERNET2_DIX,
+ DP_RX_DECAP_TYPE_8023,
+};
+
+struct ath12k_dp_rx_rfc1042_hdr {
+ u8 llc_dsap;
+ u8 llc_ssap;
+ u8 llc_ctrl;
+ u8 snap_oui[3];
+ __be16 snap_type;
+} __packed;
+
+struct ath_pktlog_hdr {
+ u16 flags;
+ u16 missed_cnt;
+ u16 log_type;
+ u16 size;
+ u32 timestamp;
+ u32 type_specific_data;
+ struct mlo_timestamp m_timestamp;
+ u8 payload[];
+};
+
+static inline u32 ath12k_he_gi_to_nl80211_he_gi(u8 sgi)
+{
+ u32 ret = 0;
+
+ switch (sgi) {
+ case RX_MSDU_START_SGI_0_8_US:
+ ret = NL80211_RATE_INFO_HE_GI_0_8;
+ break;
+ case RX_MSDU_START_SGI_1_6_US:
+ ret = NL80211_RATE_INFO_HE_GI_1_6;
+ break;
+ case RX_MSDU_START_SGI_3_2_US:
+ ret = NL80211_RATE_INFO_HE_GI_3_2;
+ break;
+ }
+
+ return ret;
+}
+
+int ath12k_dp_rx_ampdu_start(struct ath12k *ar,
+ struct ieee80211_ampdu_params *params);
+int ath12k_dp_rx_ampdu_stop(struct ath12k *ar,
+ struct ieee80211_ampdu_params *params);
+int ath12k_dp_rx_peer_pn_replay_config(struct ath12k_vif *arvif,
+ const u8 *peer_addr,
+ enum set_key_cmd key_cmd,
+ struct ieee80211_key_conf *key);
+void ath12k_dp_rx_peer_tid_cleanup(struct ath12k *ar, struct ath12k_peer *peer);
+void ath12k_dp_rx_peer_tid_delete(struct ath12k *ar,
+ struct ath12k_peer *peer, u8 tid);
+int ath12k_dp_rx_peer_tid_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_id,
+ u8 tid, u32 ba_win_sz, u16 ssn,
+ enum hal_pn_type pn_type);
+void ath12k_dp_htt_htc_t2h_msg_handler(struct ath12k_base *ab,
+ struct sk_buff *skb);
+int ath12k_dp_rx_pdev_reo_setup(struct ath12k_base *ab);
+void ath12k_dp_rx_pdev_reo_cleanup(struct ath12k_base *ab);
+int ath12k_dp_rx_htt_setup(struct ath12k_base *ab);
+int ath12k_dp_rx_alloc(struct ath12k_base *ab);
+void ath12k_dp_rx_free(struct ath12k_base *ab);
+int ath12k_dp_rx_pdev_alloc(struct ath12k_base *ab, int pdev_idx);
+void ath12k_dp_rx_pdev_free(struct ath12k_base *ab, int pdev_idx);
+void ath12k_dp_rx_reo_cmd_list_cleanup(struct ath12k_base *ab);
+void ath12k_dp_rx_process_reo_status(struct ath12k_base *ab);
+int ath12k_dp_rx_process_wbm_err(struct ath12k_base *ab,
+ struct napi_struct *napi, int budget);
+int ath12k_dp_rx_process_err(struct ath12k_base *ab, struct napi_struct *napi,
+ int budget);
+int ath12k_dp_rx_process(struct ath12k_base *ab, int mac_id,
+ struct napi_struct *napi,
+ int budget);
+int ath12k_dp_rx_bufs_replenish(struct ath12k_base *ab, int mac_id,
+ struct dp_rxdma_ring *rx_ring,
+ int req_entries,
+ enum hal_rx_buf_return_buf_manager mgr,
+ bool hw_cc);
+int ath12k_dp_htt_tlv_iter(struct ath12k_base *ab, const void *ptr, size_t len,
+ int (*iter)(struct ath12k_base *ar, u16 tag, u16 len,
+ const void *ptr, void *data),
+ void *data);
+int ath12k_dp_rx_pdev_mon_attach(struct ath12k *ar);
+int ath12k_dp_rx_peer_frag_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_id);
+
+int ath12k_dp_rx_pktlog_start(struct ath12k_base *ab);
+int ath12k_dp_rx_pktlog_stop(struct ath12k_base *ab, bool stop_timer);
+u8 ath12k_dp_rx_h_l3pad(struct ath12k_base *ab,
+ struct hal_rx_desc *desc);
+struct ath12k_peer *
+ath12k_dp_rx_h_find_peer(struct ath12k_base *ab, struct sk_buff *msdu);
+u8 ath12k_dp_rx_h_decap_type(struct ath12k_base *ab,
+ struct hal_rx_desc *desc);
+u32 ath12k_dp_rx_h_mpdu_err(struct ath12k_base *ab,
+ struct hal_rx_desc *desc);
+void ath12k_dp_rx_h_ppdu(struct ath12k *ar, struct hal_rx_desc *rx_desc,
+ struct ieee80211_rx_status *rx_status);
+struct ath12k_peer *
+ath12k_dp_rx_h_find_peer(struct ath12k_base *ab, struct sk_buff *msdu);
+
+int ath12k_dp_rxdma_ring_sel_config_qcn9274(struct ath12k_base *ab);
+int ath12k_dp_rxdma_ring_sel_config_wcn7850(struct ath12k_base *ab);
+
+#endif /* ATH12K_DP_RX_H */