/* * Copyright (c) 2006 Damien Bergamini <[email protected]> * Copyright (c) 2006 Sam Leffler, Errno Consulting * Copyright (c) 2007 Christoph Hellwig <[email protected]> * Copyright (c) 2008-2009 Weongyo Jeong <[email protected]> * Copyright (c) 2012 Pontus Fuchs <[email protected]> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* * This driver is based on the uath driver written by Damien Bergamini for * OpenBSD, who did black-box analysis of the Windows binary driver to find * out how the hardware works. It contains a lot magic numbers because of * that and only has minimal functionality. */ #include <linux/compiler.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/list.h> #include <linux/completion.h> #include <linux/firmware.h> #include <linux/skbuff.h> #include <linux/usb.h> #include <net/mac80211.h> #include "ar5523.h" #include "ar5523_hw.h" /* * Various supported device vendors/products. * UB51: AR5005UG 802.11b/g, UB52: AR5005UX 802.11a/b/g */ static int ar5523_submit_rx_cmd(struct ar5523 *ar); static void ar5523_data_tx_pkt_put(struct ar5523 *ar); static void ar5523_read_reply(struct ar5523 *ar, struct ar5523_cmd_hdr *hdr, struct ar5523_tx_cmd *cmd) { … } static void ar5523_cmd_rx_cb(struct urb *urb) { … } static int ar5523_alloc_rx_cmd(struct ar5523 *ar) { … } static void ar5523_cancel_rx_cmd(struct ar5523 *ar) { … } static void ar5523_free_rx_cmd(struct ar5523 *ar) { … } static int ar5523_submit_rx_cmd(struct ar5523 *ar) { … } /* * Command submitted cb */ static void ar5523_cmd_tx_cb(struct urb *urb) { … } static void ar5523_cancel_tx_cmd(struct ar5523 *ar) { … } static int ar5523_cmd(struct ar5523 *ar, u32 code, const void *idata, int ilen, void *odata, int olen, int flags) { … } static int ar5523_cmd_write(struct ar5523 *ar, u32 code, const void *data, int len, int flags) { … } static int ar5523_cmd_read(struct ar5523 *ar, u32 code, const void *idata, int ilen, void *odata, int olen, int flags) { … } static int ar5523_config(struct ar5523 *ar, u32 reg, u32 val) { … } static int ar5523_config_multi(struct ar5523 *ar, u32 reg, const void *data, int len) { … } static int ar5523_get_status(struct ar5523 *ar, u32 which, void *odata, int olen) { … } static int ar5523_get_capability(struct ar5523 *ar, u32 cap, u32 *val) { … } static int ar5523_get_devcap(struct ar5523 *ar) { … } static int ar5523_set_ledsteady(struct ar5523 *ar, int lednum, int ledmode) { … } static int ar5523_set_rxfilter(struct ar5523 *ar, u32 bits, u32 op) { … } static int ar5523_reset_tx_queues(struct ar5523 *ar) { … } static int ar5523_set_chan(struct ar5523 *ar) { … } static int ar5523_queue_init(struct ar5523 *ar) { … } static int ar5523_switch_chan(struct ar5523 *ar) { … } static void ar5523_rx_data_put(struct ar5523 *ar, struct ar5523_rx_data *data) { … } static void ar5523_data_rx_cb(struct urb *urb) { … } static void ar5523_rx_refill_work(struct work_struct *work) { … } static void ar5523_cancel_rx_bufs(struct ar5523 *ar) { … } static void ar5523_free_rx_bufs(struct ar5523 *ar) { … } static int ar5523_alloc_rx_bufs(struct ar5523 *ar) { … } static void ar5523_data_tx_pkt_put(struct ar5523 *ar) { … } static void ar5523_data_tx_cb(struct urb *urb) { … } static void ar5523_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, struct sk_buff *skb) { … } static void ar5523_tx_work_locked(struct ar5523 *ar) { … } static void ar5523_tx_work(struct work_struct *work) { … } static void ar5523_tx_wd_timer(struct timer_list *t) { … } static void ar5523_tx_wd_work(struct work_struct *work) { … } static void ar5523_flush_tx(struct ar5523 *ar) { … } static void ar5523_free_tx_cmd(struct ar5523 *ar) { … } static int ar5523_alloc_tx_cmd(struct ar5523 *ar) { … } /* * This function is called periodically (every second) when associated to * query device statistics. */ static void ar5523_stat_work(struct work_struct *work) { … } /* * Interface routines to the mac80211 stack. */ static int ar5523_start(struct ieee80211_hw *hw) { … } static void ar5523_stop(struct ieee80211_hw *hw, bool suspend) { … } static int ar5523_set_rts_threshold(struct ieee80211_hw *hw, u32 value) { … } static void ar5523_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u32 queues, bool drop) { … } static int ar5523_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { … } static void ar5523_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { … } static int ar5523_hwconfig(struct ieee80211_hw *hw, u32 changed) { … } static int ar5523_get_wlan_mode(struct ar5523 *ar, struct ieee80211_bss_conf *bss_conf) { … } static void ar5523_create_rateset(struct ar5523 *ar, struct ieee80211_bss_conf *bss_conf, struct ar5523_cmd_rateset *rs, bool basic) { … } static int ar5523_set_basic_rates(struct ar5523 *ar, struct ieee80211_bss_conf *bss) { … } static int ar5523_create_connection(struct ar5523 *ar, struct ieee80211_vif *vif, struct ieee80211_bss_conf *bss) { … } static int ar5523_write_associd(struct ar5523 *ar, struct ieee80211_vif *vif) { … } static void ar5523_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *bss, u64 changed) { … } #define AR5523_SUPPORTED_FILTERS … static void ar5523_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags, unsigned int *total_flags, u64 multicast) { … } static const struct ieee80211_ops ar5523_ops = …; static int ar5523_host_available(struct ar5523 *ar) { … } static int ar5523_get_devstatus(struct ar5523 *ar) { … } #define AR5523_SANE_RXBUFSZ … static int ar5523_get_max_rxsz(struct ar5523 *ar) { … } /* * This is copied from rtl818x, but we should probably move this * to common code as in OpenBSD. */ static const struct ieee80211_rate ar5523_rates[] = …; static const struct ieee80211_channel ar5523_channels[] = …; static int ar5523_init_modes(struct ar5523 *ar) { … } /* * Load the MIPS R4000 microcode into the device. Once the image is loaded, * the device will detach itself from the bus and reattach later with a new * product Id (a la ezusb). */ static int ar5523_load_firmware(struct usb_device *dev) { … } static int ar5523_probe(struct usb_interface *intf, const struct usb_device_id *id) { … } static void ar5523_disconnect(struct usb_interface *intf) { … } #define AR5523_DEVICE_UG(vendor, device) … #define AR5523_DEVICE_UX(vendor, device) … static const struct usb_device_id ar5523_id_table[] = …; MODULE_DEVICE_TABLE(usb, ar5523_id_table); static struct usb_driver ar5523_driver = …; module_usb_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; MODULE_FIRMWARE(…);
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