netdev - [PATCH v7 04/24] wfx: add wfx.h

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Message-Id: <20210920161136.2398632-5-Jerome.Pouiller@silabs.com>
Date:   Mon, 20 Sep 2021 18:11:16 +0200
From:   Jerome Pouiller <Jerome.Pouiller@...abs.com>
To:     linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        Kalle Valo <kvalo@...eaurora.org>
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "David S . Miller" <davem@...emloft.net>,
        devicetree@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        linux-mmc@...r.kernel.org,
        Pali Rohár <pali@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Jérôme Pouiller 
        <jerome.pouiller@...abs.com>
Subject: [PATCH v7 04/24] wfx: add wfx.h

From: Jérôme Pouiller <jerome.pouiller@...abs.com>

Signed-off-by: Jérôme Pouiller <jerome.pouiller@...abs.com>
---
 drivers/net/wireless/silabs/wfx/wfx.h | 164 ++++++++++++++++++++++++++
 1 file changed, 164 insertions(+)
 create mode 100644 drivers/net/wireless/silabs/wfx/wfx.h

diff --git a/drivers/net/wireless/silabs/wfx/wfx.h b/drivers/net/wireless/silabs/wfx/wfx.h
new file mode 100644
index 000000000000..f8df59ad1639
--- /dev/null
+++ b/drivers/net/wireless/silabs/wfx/wfx.h
@@ -0,0 +1,164 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Common private data.
+ *
+ * Copyright (c) 2017-2020, Silicon Laboratories, Inc.
+ * Copyright (c) 2010, ST-Ericsson
+ * Copyright (c) 2006, Michael Wu <flamingice@...rmilk.net>
+ * Copyright 2004-2006 Jean-Baptiste Note <jbnote@...il.com>, et al.
+ */
+#ifndef WFX_H
+#define WFX_H
+
+#include <linux/completion.h>
+#include <linux/workqueue.h>
+#include <linux/mutex.h>
+#include <linux/nospec.h>
+#include <net/mac80211.h>
+
+#include "bh.h"
+#include "data_tx.h"
+#include "main.h"
+#include "queue.h"
+#include "hif_tx.h"
+
+#define USEC_PER_TXOP 32 /* see struct ieee80211_tx_queue_params */
+#define USEC_PER_TU 1024
+
+struct hwbus_ops;
+
+struct wfx_dev {
+	struct wfx_platform_data pdata;
+	struct device		*dev;
+	struct ieee80211_hw	*hw;
+	struct ieee80211_vif	*vif[2];
+	struct mac_address	addresses[2];
+	const struct hwbus_ops	*hwbus_ops;
+	void			*hwbus_priv;
+
+	u8			keyset;
+	struct completion	firmware_ready;
+	struct hif_ind_startup	hw_caps;
+	struct wfx_hif		hif;
+	struct delayed_work	cooling_timeout_work;
+	bool			poll_irq;
+	bool			chip_frozen;
+	struct mutex		conf_mutex;
+
+	struct wfx_hif_cmd	hif_cmd;
+	struct sk_buff_head	tx_pending;
+	wait_queue_head_t	tx_dequeue;
+	atomic_t		tx_lock;
+
+	atomic_t		packet_id;
+	u32			key_map;
+
+	struct hif_rx_stats	rx_stats;
+	struct mutex		rx_stats_lock;
+	struct hif_tx_power_loop_info tx_power_loop_info;
+	struct mutex		tx_power_loop_info_lock;
+	int			force_ps_timeout;
+};
+
+struct wfx_vif {
+	struct wfx_dev		*wdev;
+	struct ieee80211_vif	*vif;
+	struct ieee80211_channel *channel;
+	int			id;
+
+	u32			link_id_map;
+
+	bool			after_dtim_tx_allowed;
+	bool			join_in_progress;
+
+	struct delayed_work	beacon_loss_work;
+
+	struct wfx_queue	tx_queue[4];
+	struct tx_policy_cache	tx_policy_cache;
+	struct work_struct	tx_policy_upload_work;
+
+	struct work_struct	update_tim_work;
+
+	unsigned long		uapsd_mask;
+
+	/* avoid some operations in parallel with scan */
+	struct mutex		scan_lock;
+	struct work_struct	scan_work;
+	struct completion	scan_complete;
+	int			scan_nb_chan_done;
+	bool			scan_abort;
+	struct ieee80211_scan_request *scan_req;
+
+	struct completion	set_pm_mode_complete;
+};
+
+static inline struct wfx_vif *wdev_to_wvif(struct wfx_dev *wdev, int vif_id)
+{
+	if (vif_id >= ARRAY_SIZE(wdev->vif)) {
+		dev_dbg(wdev->dev, "requesting non-existent vif: %d\n", vif_id);
+		return NULL;
+	}
+	vif_id = array_index_nospec(vif_id, ARRAY_SIZE(wdev->vif));
+	if (!wdev->vif[vif_id])
+		return NULL;
+	return (struct wfx_vif *)wdev->vif[vif_id]->drv_priv;
+}
+
+static inline struct wfx_vif *wvif_iterate(struct wfx_dev *wdev,
+					   struct wfx_vif *cur)
+{
+	int i;
+	int mark = 0;
+	struct wfx_vif *tmp;
+
+	if (!cur)
+		mark = 1;
+	for (i = 0; i < ARRAY_SIZE(wdev->vif); i++) {
+		tmp = wdev_to_wvif(wdev, i);
+		if (mark && tmp)
+			return tmp;
+		if (tmp == cur)
+			mark = 1;
+	}
+	return NULL;
+}
+
+static inline int wvif_count(struct wfx_dev *wdev)
+{
+	int i;
+	int ret = 0;
+	struct wfx_vif *wvif;
+
+	for (i = 0; i < ARRAY_SIZE(wdev->vif); i++) {
+		wvif = wdev_to_wvif(wdev, i);
+		if (wvif)
+			ret++;
+	}
+	return ret;
+}
+
+static inline void memreverse(u8 *src, u8 length)
+{
+	u8 *lo = src;
+	u8 *hi = src + length - 1;
+	u8 swap;
+
+	while (lo < hi) {
+		swap = *lo;
+		*lo++ = *hi;
+		*hi-- = swap;
+	}
+}
+
+static inline int memzcmp(void *src, unsigned int size)
+{
+	u8 *buf = src;
+
+	if (!size)
+		return 0;
+	if (*buf)
+		return 1;
+	return memcmp(buf, buf + 1, size - 1);
+}
+
+#endif
-- 
2.33.0