/* Linux device driver for RTL8180 / RTL8185 / RTL8187SE * * Copyright 2007 Michael Wu <[email protected]> * Copyright 2007,2014 Andrea Merello <[email protected]> * * Based on the r8180 driver, which is: * Copyright 2004-2005 Andrea Merello <[email protected]>, et al. * * Thanks to Realtek for their support! * ************************************************************************ * * The driver was extended to the RTL8187SE in 2014 by * Andrea Merello <[email protected]> * * based also on: * - portions of rtl8187se Linux staging driver, Copyright Realtek corp. * (available in drivers/staging/rtl8187se directory of Linux 3.14) * - other GPL, unpublished (until now), Linux driver code, * Copyright Larry Finger <[email protected]> * * A huge thanks goes to Sara V. Nari who forgives me when I'm * sitting in front of my laptop at evening, week-end, night... * * A special thanks goes to Antonio Cuni, who helped me with * some python userspace stuff I used to debug RTL8187SE code, and who * bought a laptop with an unsupported Wi-Fi card some years ago... * * Thanks to Larry Finger for writing some code for rtl8187se and for * his suggestions. * * Thanks to Dan Carpenter for reviewing my initial patch and for his * suggestions. * * Thanks to Bernhard Schiffner for his help in testing and for his * suggestions. * ************************************************************************ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include <linux/interrupt.h> #include <linux/pci.h> #include <linux/slab.h> #include <linux/delay.h> #include <linux/etherdevice.h> #include <linux/eeprom_93cx6.h> #include <linux/module.h> #include <net/mac80211.h> #include "rtl8180.h" #include "rtl8225.h" #include "sa2400.h" #include "max2820.h" #include "grf5101.h" #include "rtl8225se.h" MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; static const struct pci_device_id rtl8180_table[] = …; MODULE_DEVICE_TABLE(pci, rtl8180_table); static const struct ieee80211_rate rtl818x_rates[] = …; static const struct ieee80211_channel rtl818x_channels[] = …; /* Queues for rtl8187se card * * name | reg | queue * BC | 7 | 6 * MG | 1 | 0 * HI | 6 | 1 * VO | 5 | 2 * VI | 4 | 3 * BE | 3 | 4 * BK | 2 | 5 * * The complete map for DMA kick reg using use all queue is: * static const int rtl8187se_queues_map[RTL8187SE_NR_TX_QUEUES] = * {1, 6, 5, 4, 3, 2, 7}; * * .. but.. Because for mac80211 4 queues are enough for QoS we use this * * name | reg | queue * BC | 7 | 4 <- currently not used yet * MG | 1 | x <- Not used * HI | 6 | x <- Not used * VO | 5 | 0 <- used * VI | 4 | 1 <- used * BE | 3 | 2 <- used * BK | 2 | 3 <- used * * Beacon queue could be used, but this is not finished yet. * * I thougth about using the other two queues but I decided not to do this: * * - I'm unsure whether the mac80211 will ever try to use more than 4 queues * by itself. * * - I could route MGMT frames (currently sent over VO queue) to the MGMT * queue but since mac80211 will do not know about it, I will probably gain * some HW priority whenever the VO queue is not empty, but this gain is * limited by the fact that I had to stop the mac80211 queue whenever one of * the VO or MGMT queues is full, stopping also submitting of MGMT frame * to the driver. * * - I don't know how to set in the HW the contention window params for MGMT * and HI-prio queues. */ static const int rtl8187se_queues_map[RTL8187SE_NR_TX_QUEUES] = …; /* Queues for rtl8180/rtl8185 cards * * name | reg | prio * BC | 7 | 3 * HI | 6 | 0 * NO | 5 | 1 * LO | 4 | 2 * * The complete map for DMA kick reg using all queue is: * static const int rtl8180_queues_map[RTL8180_NR_TX_QUEUES] = {6, 5, 4, 7}; * * .. but .. Because the mac80211 needs at least 4 queues for QoS or * otherwise QoS can't be done, we use just one. * Beacon queue could be used, but this is not finished yet. * Actual map is: * * name | reg | prio * BC | 7 | 1 <- currently not used yet. * HI | 6 | x <- not used * NO | 5 | x <- not used * LO | 4 | 0 <- used */ static const int rtl8180_queues_map[RTL8180_NR_TX_QUEUES] = …; /* LNA gain table for rtl8187se */ static const u8 rtl8187se_lna_gain[4] = …; void rtl8180_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data) { … } static void rtl8180_handle_rx(struct ieee80211_hw *dev) { … } static void rtl8180_handle_tx(struct ieee80211_hw *dev, unsigned int prio) { … } static irqreturn_t rtl8187se_interrupt(int irq, void *dev_id) { … } static irqreturn_t rtl8180_interrupt(int irq, void *dev_id) { … } static void rtl8180_tx(struct ieee80211_hw *dev, struct ieee80211_tx_control *control, struct sk_buff *skb) { … } static void rtl8180_set_anaparam3(struct rtl8180_priv *priv, u16 anaparam3) { … } void rtl8180_set_anaparam2(struct rtl8180_priv *priv, u32 anaparam2) { … } void rtl8180_set_anaparam(struct rtl8180_priv *priv, u32 anaparam) { … } static void rtl8187se_mac_config(struct ieee80211_hw *dev) { … } static void rtl8187se_set_antenna_config(struct ieee80211_hw *dev, u8 def_ant, bool diversity) { … } static void rtl8180_int_enable(struct ieee80211_hw *dev) { … } static void rtl8180_int_disable(struct ieee80211_hw *dev) { … } static void rtl8180_conf_basic_rates(struct ieee80211_hw *dev, u32 basic_mask) { … } static void rtl8180_config_cardbus(struct ieee80211_hw *dev) { … } static int rtl8180_init_hw(struct ieee80211_hw *dev) { … } static int rtl8180_init_rx_ring(struct ieee80211_hw *dev) { … } static void rtl8180_free_rx_ring(struct ieee80211_hw *dev) { … } static int rtl8180_init_tx_ring(struct ieee80211_hw *dev, unsigned int prio, unsigned int entries) { … } static void rtl8180_free_tx_ring(struct ieee80211_hw *dev, unsigned int prio) { … } static int rtl8180_start(struct ieee80211_hw *dev) { … } static void rtl8180_stop(struct ieee80211_hw *dev, bool suspend) { … } static u64 rtl8180_get_tsf(struct ieee80211_hw *dev, struct ieee80211_vif *vif) { … } static void rtl8180_beacon_work(struct work_struct *work) { … } static int rtl8180_add_interface(struct ieee80211_hw *dev, struct ieee80211_vif *vif) { … } static void rtl8180_remove_interface(struct ieee80211_hw *dev, struct ieee80211_vif *vif) { … } static int rtl8180_config(struct ieee80211_hw *dev, u32 changed) { … } static void rtl8187se_conf_ac_parm(struct ieee80211_hw *dev, u8 queue) { … } static int rtl8180_conf_tx(struct ieee80211_hw *dev, struct ieee80211_vif *vif, unsigned int link_id, u16 queue, const struct ieee80211_tx_queue_params *params) { … } static void rtl8180_conf_erp(struct ieee80211_hw *dev, struct ieee80211_bss_conf *info) { … } static void rtl8180_bss_info_changed(struct ieee80211_hw *dev, struct ieee80211_vif *vif, struct ieee80211_bss_conf *info, u64 changed) { … } static u64 rtl8180_prepare_multicast(struct ieee80211_hw *dev, struct netdev_hw_addr_list *mc_list) { … } static void rtl8180_configure_filter(struct ieee80211_hw *dev, unsigned int changed_flags, unsigned int *total_flags, u64 multicast) { … } static const struct ieee80211_ops rtl8180_ops = …; static void rtl8180_eeprom_register_read(struct eeprom_93cx6 *eeprom) { … } static void rtl8180_eeprom_register_write(struct eeprom_93cx6 *eeprom) { … } static void rtl8180_eeprom_read(struct rtl8180_priv *priv) { … } static int rtl8180_probe(struct pci_dev *pdev, const struct pci_device_id *id) { … } static void rtl8180_remove(struct pci_dev *pdev) { … } #define rtl8180_suspend … #define rtl8180_resume … static SIMPLE_DEV_PM_OPS(rtl8180_pm_ops, rtl8180_suspend, rtl8180_resume); static struct pci_driver rtl8180_driver = …; module_pci_driver(…) …;
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