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[RFC,v1,213/256] cl8k: add tx/tx.h

Message ID 20210617160223.160998-214-viktor.barna@celeno.com (mailing list archive)
State RFC
Delegated to: Kalle Valo
Headers show
Series wireless: cl8k driver for Celeno IEEE 802.11ax devices | expand

Commit Message

Viktor Barna June 17, 2021, 4:01 p.m. UTC 
From: Viktor Barna <viktor.barna@celeno.com>

(Part of the split. Please, take a look at the cover letter for more
details).

Signed-off-by: Viktor Barna <viktor.barna@celeno.com>
---
 drivers/net/wireless/celeno/cl8k/tx/tx.h | 109 +++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 drivers/net/wireless/celeno/cl8k/tx/tx.h

--
2.30.0
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Patch

diff --git a/drivers/net/wireless/celeno/cl8k/tx/tx.h b/drivers/net/wireless/celeno/cl8k/tx/tx.h
new file mode 100644
index 000000000000..01c8f6b6306f
--- /dev/null
+++ b/drivers/net/wireless/celeno/cl8k/tx/tx.h
@@ -0,0 +1,109 @@ 
+/* SPDX-License-Identifier: MIT */
+/* Copyright(c) 2019-2021, Celeno Communications Ltd. */
+
+#ifndef CL_TX_H
+#define CL_TX_H
+
+#include "hw.h"
+#include "sta.h"
+#include "vif.h"
+#include "debugfs.h"
+#include "ipc_shared.h"
+#include "tx/sw_txhdr.h"
+
+#define INC_SN(sn) (((sn) + 0x10) & IEEE80211_SCTL_SEQ)
+#define DEC_SN(sn) (((sn) - 0x10) & IEEE80211_SCTL_SEQ)
+
+#define CL_TX_LIFETIME_MS 4000
+
+#define CL_SKB_DATA_ALIGN_SZ      4
+#define CL_SKB_DATA_ALIGN_MSK     (CL_SKB_DATA_ALIGN_SZ - 1)
+#define CL_SKB_DATA_ALIGN_PADS(x) \
+       ((CL_SKB_DATA_ALIGN_SZ - ((ptrdiff_t)(x) & CL_SKB_DATA_ALIGN_MSK)) & CL_SKB_DATA_ALIGN_MSK)
+
+#define CL_TX_MAX_FRAME_LEN_SINGLE 4096
+#define CL_TX_MAX_FRAME_LEN_AGG 2000
+
+struct cl_hw_tx_status {
+       u32 mcs_index          : 7; /* [6:0] */
+       u32 is_bcmc            : 1; /* [7] */
+       u32 num_mpdu_retries   : 4; /* [11:8] */
+       u32 rsv                : 4; /* [15:12] */
+       u32 format_mod         : 4; /* [19:16] */
+       u32 bw_requested       : 2; /* [21:20] */
+       u32 bf                 : 1; /* [22] */
+       u32 frm_successful     : 1; /* [23] */
+       u32 bw_transmitted     : 2; /* [25:24] */
+       u32 freespace_inc_skip : 1; /* [26] */
+       u32 keep_skb           : 1; /* [27] */
+       u32 gi                 : 2; /* [29:28] */
+       u32 descriptor_done_sw : 1; /* [30] */
+       u32 descriptor_done_hw : 1; /* [31] */
+};
+
+enum cl_tx_flags {
+       CL_TX_EN_DFS,
+       CL_TX_EN_ACS,
+};
+
+enum cl_tx_single_frame_type {
+       CL_TX_SINGLE_FRAME_TYPE_QOS_DATA,
+       CL_TX_SINGLE_FRAME_TYPE_QOS_NULL,
+       CL_TX_SINGLE_FRAME_TYPE_MANAGEMENT,
+       CL_TX_SINGLE_FRAME_TYPE_OTHER
+};
+
+void cl_tx_init(struct cl_hw *cl_hw);
+void cl_tx_check_start_ba_session(struct cl_hw *cl_hw,
+                                 struct sta_info *stainfo,
+                                 struct sk_buff *skb);
+void cl_tx_bcns(struct cl_hw *cl_hw);
+void cl_tx_single_free_skb(struct cl_hw *cl_hw, struct sk_buff *skb);
+void cl_tx_single(struct cl_hw *cl_hw, struct cl_sta *cl_sta,
+                 struct sk_buff *skb, bool is_vns, bool lock);
+void cl_tx_fast_single(struct cl_hw *cl_hw, struct cl_sta *cl_sta,
+                      struct sk_buff *skb, bool lock);
+void cl_tx_agg_prep(struct cl_hw *cl_hw, struct cl_sw_txhdr *sw_txhdr,
+                   u16 frame_len, u8 hdr_pads, bool hdr_conv);
+void cl_tx_agg(struct cl_hw *cl_hw, struct cl_sta *cl_sta,
+              struct sk_buff *skb, bool hdr_conv, bool lock);
+void cl_tx_fast_agg(struct cl_hw *cl_hw, struct cl_sta *cl_sta,
+                   struct sk_buff *skb, bool lock);
+u16 cl_tx_prepare_wlan_hdr(struct cl_hw *cl_hw, struct cl_sta *cl_sta,
+                          struct sk_buff *skb, struct ieee80211_hdr *hdr);
+void cl_tx_wlan_to_8023(struct sk_buff *skb);
+int cl_tx_8023_to_wlan(struct cl_hw *cl_hw, struct sk_buff *skb, struct cl_sta *cl_sta, u8 tid);
+void cl_tx_push(struct cl_hw *cl_hw, struct cl_sw_txhdr *sw_txhdr, struct cl_tx_queue *tx_queue);
+void cl_tx_bcn_mesh_task(unsigned long data);
+void cl_tx_en(struct cl_hw *cl_hw, u8 reason, bool enable);
+void cl_tx_off(struct cl_hw *cl_hw);
+void cl_tx_drop_dkb(struct sk_buff *skb);
+netdev_tx_t ____cl_tx_start(struct cl_hw *cl_hw, struct sk_buff *skb, struct net_device *dev);
+netdev_tx_t ___cl_tx_start(struct cl_hw *cl_hw, struct sk_buff *skb, struct net_device *dev);
+netdev_tx_t __cl_tx_start(struct cl_hw *cl_hw, struct sk_buff *skb, struct net_device *dev);
+netdev_tx_t _cl_tx_start(struct cl_hw *cl_hw, struct sk_buff *skb, struct net_device *dev);
+netdev_tx_t cl_tx_start(struct sk_buff *skb, struct net_device *dev);
+
+static inline bool cl_tx_ctrl_is_amsdu(struct ieee80211_tx_info *tx_info)
+{
+       return !!(tx_info->control.flags & IEEE80211_TX_CTRL_AMSDU);
+}
+
+static inline bool cl_tx_ctrl_is_eapol(struct ieee80211_tx_info *tx_info)
+{
+       return !!(tx_info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO);
+}
+
+static inline bool cl_tx_ctrl_is_inject(struct ieee80211_tx_info *tx_info)
+{
+       /*
+        * Check that IEEE80211_TX_CTL_INJECTED is set and that
+        * IEEE80211_TX_INTFL_NL80211_FRAME_TX isn't to distinguish between
+        * TX-inject packets that Celeno driver generates and TX-inject packets
+        * that mac80211 generates in ieee80211_tx_control_port().
+        */
+       return ((tx_info->flags & IEEE80211_TX_CTL_INJECTED) &&
+               !(tx_info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX));
+}
+
+#endif /* CL_TX_H */