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Miller" , devicetree@vger.kernel.org, Rob Herring , linux-mmc@vger.kernel.org, =?utf-8?q?Pali_Roh=C3=A1r?= , Ulf Hansson , =?utf-8?b?SsOpcsO0bWUg?= =?utf-8?q?Pouiller?= Subject: [PATCH v5 04/24] wfx: add wfx.h Date: Mon, 15 Mar 2021 14:24:41 +0100 Message-Id: <20210315132501.441681-5-Jerome.Pouiller@silabs.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210315132501.441681-1-Jerome.Pouiller@silabs.com> References: <20210315132501.441681-1-Jerome.Pouiller@silabs.com> X-Originating-IP: [2a01:e35:2435:66a0:544b:f17b:7ae8:fb7] X-ClientProxiedBy: SN4PR0801CA0014.namprd08.prod.outlook.com (2603:10b6:803:29::24) To SN6PR11MB2718.namprd11.prod.outlook.com (2603:10b6:805:63::18) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from pc-42.silabs.com (2a01:e35:2435:66a0:544b:f17b:7ae8:fb7) by SN4PR0801CA0014.namprd08.prod.outlook.com (2603:10b6:803:29::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3933.32 via Frontend Transport; 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+ +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