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Message-Id: <20201104155207.128076-5-Jerome.Pouiller@silabs.com>
Date: Wed, 4 Nov 2020 16:51:47 +0100
From: Jerome Pouiller <Jerome.Pouiller@...abs.com>
To: linux-wireless@...r.kernel.org, netdev@...r.kernel.org
Cc: devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Kalle Valo <kvalo@...eaurora.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 v3 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 | 166 ++++++++++++++++++++++++++
1 file changed, 166 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..94898680ccde
--- /dev/null
+++ b/drivers/net/wireless/silabs/wfx/wfx.h
@@ -0,0 +1,166 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Common private data for Silicon Labs WFx chips.
+ *
+ * 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;
+ 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]) {
+ dev_dbg(wdev->dev, "requesting non-allocated vif: %d\n",
+ 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 /* WFX_H */
--
2.28.0
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