ath5k: add sysfs files for ANI parameters
/sys/class/ieee80211/phy0/device/ani/ani_mode /sys/class/ieee80211/phy0/device/ani/noise_immunity_level /sys/class/ieee80211/phy0/device/ani/spur_level /sys/class/ieee80211/phy0/device/ani/firstep_level /sys/class/ieee80211/phy0/device/ani/ofdm_weak_signal_detection /sys/class/ieee80211/phy0/device/ani/cck_weak_signal_detection /sys/class/ieee80211/phy0/device/ani/noise_immunity_level_max /sys/class/ieee80211/phy0/device/ani/spur_level_max /sys/class/ieee80211/phy0/device/ani/firstep_level_max sysfs has a lot of symlinks, so you can find the files also in other locations, like (by PCI ID) /sys/devices/pci0000:00/0000:00:11.0/ani and others. Signed-off-by: Bruno Randolf <br1@einfach.org> Acked-by: Nick Kossifidis <mickflemm@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -13,5 +13,6 @@ ath5k-y += base.o
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ath5k-y += led.o
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ath5k-y += rfkill.o
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ath5k-y += ani.o
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ath5k-y += sysfs.o
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ath5k-$(CONFIG_ATH5K_DEBUG) += debug.o
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obj-$(CONFIG_ATH5K) += ath5k.o
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@ -1150,6 +1150,9 @@ struct ath5k_hw {
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int ath5k_hw_attach(struct ath5k_softc *sc);
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void ath5k_hw_detach(struct ath5k_hw *ah);
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int ath5k_sysfs_register(struct ath5k_softc *sc);
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void ath5k_sysfs_unregister(struct ath5k_softc *sc);
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/* LED functions */
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int ath5k_init_leds(struct ath5k_softc *sc);
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void ath5k_led_enable(struct ath5k_softc *sc);
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@ -862,6 +862,8 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw)
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ath5k_init_leds(sc);
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ath5k_sysfs_register(sc);
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return 0;
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err_queues:
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ath5k_txq_release(sc);
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@ -897,6 +899,7 @@ ath5k_detach(struct pci_dev *pdev, struct ieee80211_hw *hw)
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ath5k_hw_release_tx_queue(sc->ah, sc->bhalq);
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ath5k_unregister_leds(sc);
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ath5k_sysfs_unregister(sc);
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/*
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* NB: can't reclaim these until after ieee80211_ifdetach
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* returns because we'll get called back to reclaim node
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@ -850,7 +850,6 @@ static void ath5k_hw_commit_eeprom_settings(struct ath5k_hw *ah,
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AR5K_PHY_NF_THRESH62,
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ee->ee_thr_62[ee_mode]);
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/* False detect backoff for channels
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* that have spur noise. Write the new
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* cyclic power RSSI threshold. */
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116
drivers/net/wireless/ath/ath5k/sysfs.c
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116
drivers/net/wireless/ath/ath5k/sysfs.c
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@ -0,0 +1,116 @@
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#include <linux/device.h>
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#include <linux/pci.h>
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#include "base.h"
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#include "ath5k.h"
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#include "reg.h"
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#define SIMPLE_SHOW_STORE(name, get, set) \
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static ssize_t ath5k_attr_show_##name(struct device *dev, \
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struct device_attribute *attr, \
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char *buf) \
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{ \
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struct ath5k_softc *sc = dev_get_drvdata(dev); \
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return snprintf(buf, PAGE_SIZE, "%d\n", get); \
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} \
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\
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static ssize_t ath5k_attr_store_##name(struct device *dev, \
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struct device_attribute *attr, \
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const char *buf, size_t count) \
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{ \
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struct ath5k_softc *sc = dev_get_drvdata(dev); \
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int val; \
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\
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val = (int)simple_strtoul(buf, NULL, 10); \
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set(sc->ah, val); \
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return count; \
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} \
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static DEVICE_ATTR(name, S_IRUGO | S_IWUSR, \
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ath5k_attr_show_##name, ath5k_attr_store_##name)
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#define SIMPLE_SHOW(name, get) \
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static ssize_t ath5k_attr_show_##name(struct device *dev, \
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struct device_attribute *attr, \
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char *buf) \
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{ \
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struct ath5k_softc *sc = dev_get_drvdata(dev); \
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return snprintf(buf, PAGE_SIZE, "%d\n", get); \
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} \
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static DEVICE_ATTR(name, S_IRUGO, ath5k_attr_show_##name, NULL)
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/*** ANI ***/
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SIMPLE_SHOW_STORE(ani_mode, sc->ani_state.ani_mode, ath5k_ani_init);
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SIMPLE_SHOW_STORE(noise_immunity_level, sc->ani_state.noise_imm_level,
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ath5k_ani_set_noise_immunity_level);
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SIMPLE_SHOW_STORE(spur_level, sc->ani_state.spur_level,
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ath5k_ani_set_spur_immunity_level);
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SIMPLE_SHOW_STORE(firstep_level, sc->ani_state.firstep_level,
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ath5k_ani_set_firstep_level);
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SIMPLE_SHOW_STORE(ofdm_weak_signal_detection, sc->ani_state.ofdm_weak_sig,
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ath5k_ani_set_ofdm_weak_signal_detection);
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SIMPLE_SHOW_STORE(cck_weak_signal_detection, sc->ani_state.cck_weak_sig,
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ath5k_ani_set_cck_weak_signal_detection);
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SIMPLE_SHOW(spur_level_max, sc->ani_state.max_spur_level);
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static ssize_t ath5k_attr_show_noise_immunity_level_max(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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return snprintf(buf, PAGE_SIZE, "%d\n", ATH5K_ANI_MAX_NOISE_IMM_LVL);
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}
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static DEVICE_ATTR(noise_immunity_level_max, S_IRUGO,
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ath5k_attr_show_noise_immunity_level_max, NULL);
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static ssize_t ath5k_attr_show_firstep_level_max(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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return snprintf(buf, PAGE_SIZE, "%d\n", ATH5K_ANI_MAX_FIRSTEP_LVL);
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}
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static DEVICE_ATTR(firstep_level_max, S_IRUGO,
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ath5k_attr_show_firstep_level_max, NULL);
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static struct attribute *ath5k_sysfs_entries_ani[] = {
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&dev_attr_ani_mode.attr,
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&dev_attr_noise_immunity_level.attr,
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&dev_attr_spur_level.attr,
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&dev_attr_firstep_level.attr,
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&dev_attr_ofdm_weak_signal_detection.attr,
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&dev_attr_cck_weak_signal_detection.attr,
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&dev_attr_noise_immunity_level_max.attr,
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&dev_attr_spur_level_max.attr,
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&dev_attr_firstep_level_max.attr,
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NULL
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};
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static struct attribute_group ath5k_attribute_group_ani = {
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.name = "ani",
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.attrs = ath5k_sysfs_entries_ani,
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};
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/*** register / unregister ***/
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int
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ath5k_sysfs_register(struct ath5k_softc *sc)
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{
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struct device *dev = &sc->pdev->dev;
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int err;
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err = sysfs_create_group(&dev->kobj, &ath5k_attribute_group_ani);
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if (err) {
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ATH5K_ERR(sc, "failed to create sysfs group\n");
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return err;
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}
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return 0;
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}
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void
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ath5k_sysfs_unregister(struct ath5k_softc *sc)
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{
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struct device *dev = &sc->pdev->dev;
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sysfs_remove_group(&dev->kobj, &ath5k_attribute_group_ani);
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}
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