// SPDX-License-Identifier: ISC /* * Copyright (c) 2012-2017 Qualcomm Atheros, Inc. * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved. */ #include <linux/moduleparam.h> #include <linux/etherdevice.h> #include <linux/if_arp.h> #include "wil6210.h" #include "txrx.h" #include "wmi.h" #include "trace.h" /* set the default max assoc sta to max supported by driver */ uint max_assoc_sta = …; module_param(max_assoc_sta, uint, 0444); MODULE_PARM_DESC(…) …; int agg_wsize; /* = 0; */ module_param(agg_wsize, int, 0644); MODULE_PARM_DESC(…) …; u8 led_id = …; module_param(led_id, byte, 0444); MODULE_PARM_DESC(…) …; #define WIL_WAIT_FOR_SUSPEND_RESUME_COMP … #define WIL_WMI_PCP_STOP_TO_MS … /** * DOC: WMI event receiving - theory of operations * * When firmware about to report WMI event, it fills memory area * in the mailbox and raises misc. IRQ. Thread interrupt handler invoked for * the misc IRQ, function @wmi_recv_cmd called by thread IRQ handler. * * @wmi_recv_cmd reads event, allocates memory chunk and attaches it to the * event list @wil->pending_wmi_ev. Then, work queue @wil->wmi_wq wakes up * and handles events within the @wmi_event_worker. Every event get detached * from list, processed and deleted. * * Purpose for this mechanism is to release IRQ thread; otherwise, * if WMI event handling involves another WMI command flow, this 2-nd flow * won't be completed because of blocked IRQ thread. */ /** * DOC: Addressing - theory of operations * * There are several buses present on the WIL6210 card. * Same memory areas are visible at different address on * the different busses. There are 3 main bus masters: * - MAC CPU (ucode) * - User CPU (firmware) * - AHB (host) * * On the PCI bus, there is one BAR (BAR0) of 2Mb size, exposing * AHB addresses starting from 0x880000 * * Internally, firmware uses addresses that allow faster access but * are invisible from the host. To read from these addresses, alternative * AHB address must be used. */ /* sparrow_fw_mapping provides memory remapping table for sparrow * * array size should be in sync with the declaration in the wil6210.h * * Sparrow memory mapping: * Linker address PCI/Host address * 0x880000 .. 0xa80000 2Mb BAR0 * 0x800000 .. 0x808000 0x900000 .. 0x908000 32k DCCM * 0x840000 .. 0x860000 0x908000 .. 0x928000 128k PERIPH */ const struct fw_map sparrow_fw_mapping[] = …; /* sparrow_d0_mac_rgf_ext - mac_rgf_ext section for Sparrow D0 * it is a bit larger to support extra features */ const struct fw_map sparrow_d0_mac_rgf_ext = …; /* talyn_fw_mapping provides memory remapping table for Talyn * * array size should be in sync with the declaration in the wil6210.h * * Talyn memory mapping: * Linker address PCI/Host address * 0x880000 .. 0xc80000 4Mb BAR0 * 0x800000 .. 0x820000 0xa00000 .. 0xa20000 128k DCCM * 0x840000 .. 0x858000 0xa20000 .. 0xa38000 96k PERIPH */ const struct fw_map talyn_fw_mapping[] = …; /* talyn_mb_fw_mapping provides memory remapping table for Talyn-MB * * array size should be in sync with the declaration in the wil6210.h * * Talyn MB memory mapping: * Linker address PCI/Host address * 0x880000 .. 0xc80000 4Mb BAR0 * 0x800000 .. 0x820000 0xa00000 .. 0xa20000 128k DCCM * 0x840000 .. 0x858000 0xa20000 .. 0xa38000 96k PERIPH */ const struct fw_map talyn_mb_fw_mapping[] = …; struct fw_map fw_mapping[MAX_FW_MAPPING_TABLE_SIZE]; struct blink_on_off_time led_blink_time[] = …; struct auth_no_hdr { … } __packed; u8 led_polarity = …; /** * wmi_addr_remap - return AHB address for given firmware internal (linker) address * @x: internal address * If address have no valid AHB mapping, return 0 */ static u32 wmi_addr_remap(u32 x) { … } /** * wil_find_fw_mapping - find fw_mapping entry by section name * @section: section name * * Return pointer to section or NULL if not found */ struct fw_map *wil_find_fw_mapping(const char *section) { … } /** * wmi_buffer_block - Check address validity for WMI buffer; remap if needed * @wil: driver data * @ptr_: internal (linker) fw/ucode address * @size: if non zero, validate the block does not * exceed the device memory (bar) * * Valid buffer should be DWORD aligned * * return address for accessing buffer from the host; * if buffer is not valid, return NULL. */ void __iomem *wmi_buffer_block(struct wil6210_priv *wil, __le32 ptr_, u32 size) { … } void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr_) { … } /* Check address validity */ void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr) { … } int wmi_read_hdr(struct wil6210_priv *wil, __le32 ptr, struct wil6210_mbox_hdr *hdr) { … } static const char *cmdid2name(u16 cmdid) { … } static const char *eventid2name(u16 eventid) { … } static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, u8 mid, void *buf, u16 len) { … } int wmi_send(struct wil6210_priv *wil, u16 cmdid, u8 mid, void *buf, u16 len) { … } /*=== Event handlers ===*/ static void wmi_evt_ready(struct wil6210_vif *vif, int id, void *d, int len) { … } static void wmi_evt_rx_mgmt(struct wil6210_vif *vif, int id, void *d, int len) { … } static void wmi_evt_tx_mgmt(struct wil6210_vif *vif, int id, void *d, int len) { … } static void wmi_evt_scan_complete(struct wil6210_vif *vif, int id, void *d, int len) { … } static void wmi_evt_connect(struct wil6210_vif *vif, int id, void *d, int len) { … } static void wmi_evt_disconnect(struct wil6210_vif *vif, int id, void *d, int len) { … } /* * Firmware reports EAPOL frame using WME event. * Reconstruct Ethernet frame and deliver it via normal Rx */ static void wmi_evt_eapol_rx(struct wil6210_vif *vif, int id, void *d, int len) { … } static void wmi_evt_ring_en(struct wil6210_vif *vif, int id, void *d, int len) { … } static void wmi_evt_ba_status(struct wil6210_vif *vif, int id, void *d, int len) { … } static void wmi_evt_addba_rx_req(struct wil6210_vif *vif, int id, void *d, int len) { … } static void wmi_evt_delba(struct wil6210_vif *vif, int id, void *d, int len) __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) { … } static void wmi_evt_sched_scan_result(struct wil6210_vif *vif, int id, void *d, int len) { … } static void wil_link_stats_store_basic(struct wil6210_vif *vif, struct wmi_link_stats_basic *basic) { … } static void wil_link_stats_store_global(struct wil6210_vif *vif, struct wmi_link_stats_global *global) { … } static void wmi_link_stats_parse(struct wil6210_vif *vif, u64 tsf, bool has_next, void *payload, size_t payload_size) { … } static void wmi_evt_link_stats(struct wil6210_vif *vif, int id, void *d, int len) { … } /* find cid and ringid for the station vif * * return error, if other interfaces are used or ring was not found */ static int wil_find_cid_ringid_sta(struct wil6210_priv *wil, struct wil6210_vif *vif, int *cid, int *ringid) { … } static void wmi_evt_auth_status(struct wil6210_vif *vif, int id, void *d, int len) { … } static void wmi_evt_reassoc_status(struct wil6210_vif *vif, int id, void *d, int len) { … } static void wmi_evt_link_monitor(struct wil6210_vif *vif, int id, void *d, int len) { … } /* Some events are ignored for purpose; and need not be interpreted as * "unhandled events" */ static void wmi_evt_ignore(struct wil6210_vif *vif, int id, void *d, int len) { … } static const struct { … } wmi_evt_handlers[] = …; /* * Run in IRQ context * Extract WMI command from mailbox. Queue it to the @wil->pending_wmi_ev * that will be eventually handled by the @wmi_event_worker in the thread * context of thread "wil6210_wmi" */ void wmi_recv_cmd(struct wil6210_priv *wil) { … } int wmi_call(struct wil6210_priv *wil, u16 cmdid, u8 mid, void *buf, u16 len, u16 reply_id, void *reply, u16 reply_size, int to_msec) { … } int wmi_echo(struct wil6210_priv *wil) { … } int wmi_set_mac_address(struct wil6210_priv *wil, const void *addr) { … } int wmi_led_cfg(struct wil6210_priv *wil, bool enable) { … } int wmi_rbufcap_cfg(struct wil6210_priv *wil, bool enable, u16 threshold) { … } int wmi_pcp_start(struct wil6210_vif *vif, int bi, u8 wmi_nettype, u8 chan, u8 wmi_edmg_chan, u8 hidden_ssid, u8 is_go) { … } int wmi_pcp_stop(struct wil6210_vif *vif) { … } int wmi_set_ssid(struct wil6210_vif *vif, u8 ssid_len, const void *ssid) { … } int wmi_get_ssid(struct wil6210_vif *vif, u8 *ssid_len, void *ssid) { … } int wmi_set_channel(struct wil6210_priv *wil, int channel) { … } int wmi_get_channel(struct wil6210_priv *wil, int *channel) { … } int wmi_p2p_cfg(struct wil6210_vif *vif, int channel, int bi) { … } int wmi_start_listen(struct wil6210_vif *vif) { … } int wmi_start_search(struct wil6210_vif *vif) { … } int wmi_stop_discovery(struct wil6210_vif *vif) { … } int wmi_del_cipher_key(struct wil6210_vif *vif, u8 key_index, const void *mac_addr, int key_usage) { … } int wmi_add_cipher_key(struct wil6210_vif *vif, u8 key_index, const void *mac_addr, int key_len, const void *key, int key_usage) { … } int wmi_set_ie(struct wil6210_vif *vif, u8 type, u16 ie_len, const void *ie) { … } int wmi_update_ft_ies(struct wil6210_vif *vif, u16 ie_len, const void *ie) { … } /** * wmi_rxon - turn radio on/off * @wil: driver data * @on: turn on if true, off otherwise * * Only switch radio. Channel should be set separately. * No timeout for rxon - radio turned on forever unless some other call * turns it off */ int wmi_rxon(struct wil6210_priv *wil, bool on) { … } int wmi_rx_chain_add(struct wil6210_priv *wil, struct wil_ring *vring) { … } int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_bb, u32 *t_rf) { … } int wmi_get_all_temperatures(struct wil6210_priv *wil, struct wmi_temp_sense_all_done_event *sense_all_evt) { … } int wmi_disconnect_sta(struct wil6210_vif *vif, const u8 *mac, u16 reason, bool del_sta) { … } int wmi_addba(struct wil6210_priv *wil, u8 mid, u8 ringid, u8 size, u16 timeout) { … } int wmi_delba_tx(struct wil6210_priv *wil, u8 mid, u8 ringid, u16 reason) { … } int wmi_delba_rx(struct wil6210_priv *wil, u8 mid, u8 cid, u8 tid, u16 reason) { … } int wmi_addba_rx_resp(struct wil6210_priv *wil, u8 mid, u8 cid, u8 tid, u8 token, u16 status, bool amsdu, u16 agg_wsize, u16 timeout) { … } int wmi_addba_rx_resp_edma(struct wil6210_priv *wil, u8 mid, u8 cid, u8 tid, u8 token, u16 status, bool amsdu, u16 agg_wsize, u16 timeout) { … } int wmi_ps_dev_profile_cfg(struct wil6210_priv *wil, enum wmi_ps_profile_type ps_profile) { … } int wmi_set_mgmt_retry(struct wil6210_priv *wil, u8 retry_short) { … } int wmi_get_mgmt_retry(struct wil6210_priv *wil, u8 *retry_short) { … } int wmi_abort_scan(struct wil6210_vif *vif) { … } int wmi_new_sta(struct wil6210_vif *vif, const u8 *mac, u8 aid) { … } void wmi_event_flush(struct wil6210_priv *wil) { … } static const char *suspend_status2name(u8 status) { … } int wmi_suspend(struct wil6210_priv *wil) { … } static void resume_triggers2string(u32 triggers, char *string, int str_size) { … } int wmi_resume(struct wil6210_priv *wil) { … } int wmi_port_allocate(struct wil6210_priv *wil, u8 mid, const u8 *mac, enum nl80211_iftype iftype) { … } int wmi_port_delete(struct wil6210_priv *wil, u8 mid) { … } static bool wmi_evt_call_handler(struct wil6210_vif *vif, int id, void *d, int len) { … } static void wmi_event_handle(struct wil6210_priv *wil, struct wil6210_mbox_hdr *hdr) { … } /* * Retrieve next WMI event from the pending list */ static struct list_head *next_wmi_ev(struct wil6210_priv *wil) { … } /* * Handler for the WMI events */ void wmi_event_worker(struct work_struct *work) { … } bool wil_is_wmi_idle(struct wil6210_priv *wil) { … } static void wmi_sched_scan_set_ssids(struct wil6210_priv *wil, struct wmi_start_sched_scan_cmd *cmd, struct cfg80211_ssid *ssids, int n_ssids, struct cfg80211_match_set *match_sets, int n_match_sets) { … } static void wmi_sched_scan_set_channels(struct wil6210_priv *wil, struct wmi_start_sched_scan_cmd *cmd, u32 n_channels, struct ieee80211_channel **channels) { … } static void wmi_sched_scan_set_plans(struct wil6210_priv *wil, struct wmi_start_sched_scan_cmd *cmd, struct cfg80211_sched_scan_plan *scan_plans, int n_scan_plans) { … } int wmi_start_sched_scan(struct wil6210_priv *wil, struct cfg80211_sched_scan_request *request) { … } int wmi_stop_sched_scan(struct wil6210_priv *wil) { … } int wmi_mgmt_tx(struct wil6210_vif *vif, const u8 *buf, size_t len) { … } int wmi_mgmt_tx_ext(struct wil6210_vif *vif, const u8 *buf, size_t len, u8 channel, u16 duration_ms) { … } int wil_wmi_tx_sring_cfg(struct wil6210_priv *wil, int ring_id) { … } int wil_wmi_cfg_def_rx_offload(struct wil6210_priv *wil, u16 max_rx_pl_per_desc) { … } int wil_wmi_rx_sring_add(struct wil6210_priv *wil, u16 ring_id) { … } int wil_wmi_rx_desc_ring_add(struct wil6210_priv *wil, int status_ring_id) { … } int wil_wmi_tx_desc_ring_add(struct wil6210_vif *vif, int ring_id, int cid, int tid) { … } int wil_wmi_bcast_desc_ring_add(struct wil6210_vif *vif, int ring_id) { … } int wmi_link_stats_cfg(struct wil6210_vif *vif, u32 type, u8 cid, u32 interval) { … } int wmi_set_cqm_rssi_config(struct wil6210_priv *wil, s32 rssi_thold, u32 rssi_hyst) { … }
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