diff options
| -rw-r--r-- | include/net/mac80211.h | 38 | ||||
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 13 | ||||
| -rw-r--r-- | net/mac80211/iface.c | 1 | ||||
| -rw-r--r-- | net/mac80211/led.c | 121 | ||||
| -rw-r--r-- | net/mac80211/led.h | 44 | ||||
| -rw-r--r-- | net/mac80211/rx.c | 3 | ||||
| -rw-r--r-- | net/mac80211/tx.c | 3 | ||||
| -rw-r--r-- | net/mac80211/util.c | 2 |
8 files changed, 216 insertions, 9 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 69ded1e..40a93d5 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -1852,11 +1852,26 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, */ int ieee80211_register_hw(struct ieee80211_hw *hw); +/** + * struct ieee80211_tpt_blink - throughput blink description + * @throughput: throughput in Kbit/sec + * @blink_time: blink time in milliseconds + * (full cycle, ie. one off + one on period) + */ +struct ieee80211_tpt_blink { + int throughput; + int blink_time; +}; + #ifdef CONFIG_MAC80211_LEDS extern char *__ieee80211_get_tx_led_name(struct ieee80211_hw *hw); extern char *__ieee80211_get_rx_led_name(struct ieee80211_hw *hw); extern char *__ieee80211_get_assoc_led_name(struct ieee80211_hw *hw); extern char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw); +extern char *__ieee80211_create_tpt_led_trigger( + struct ieee80211_hw *hw, + const struct ieee80211_tpt_blink *blink_table, + unsigned int blink_table_len); #endif /** * ieee80211_get_tx_led_name - get name of TX LED @@ -1935,6 +1950,29 @@ static inline char *ieee80211_get_radio_led_name(struct ieee80211_hw *hw) } /** + * ieee80211_create_tpt_led_trigger - create throughput LED trigger + * @hw: the hardware to create the trigger for + * @blink_table: the blink table -- needs to be ordered by throughput + * @blink_table_len: size of the blink table + * + * This function returns %NULL (in case of error, or if no LED + * triggers are configured) or the name of the new trigger. + * This function must be called before ieee80211_register_hw(). + */ +static inline char * +ieee80211_create_tpt_led_trigger(struct ieee80211_hw *hw, + const struct ieee80211_tpt_blink *blink_table, + unsigned int blink_table_len) +{ +#ifdef CONFIG_MAC80211_LEDS + return __ieee80211_create_tpt_led_trigger(hw, blink_table, + blink_table_len); +#else + return NULL; +#endif +} + +/** * ieee80211_unregister_hw - Unregister a hardware device * * This function instructs mac80211 to free allocated resources diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index eadaa24..523b90b 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -23,6 +23,7 @@ #include <linux/types.h> #include <linux/spinlock.h> #include <linux/etherdevice.h> +#include <linux/leds.h> #include <net/ieee80211_radiotap.h> #include <net/cfg80211.h> #include <net/mac80211.h> @@ -630,6 +631,17 @@ enum queue_stop_reason { IEEE80211_QUEUE_STOP_REASON_SKB_ADD, }; +struct tpt_led_trigger { + struct led_trigger trig; + char name[32]; + const struct ieee80211_tpt_blink *blink_table; + unsigned int blink_table_len; + struct timer_list timer; + bool running; + unsigned long prev_traffic; + unsigned long tx_bytes, rx_bytes; +}; + /** * mac80211 scan flags - currently active scan mode * @@ -838,6 +850,7 @@ struct ieee80211_local { #ifdef CONFIG_MAC80211_LEDS int tx_led_counter, rx_led_counter; struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; + struct tpt_led_trigger *tpt_led_trigger; char tx_led_name[32], rx_led_name[32], assoc_led_name[32], radio_led_name[32]; #endif diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index f0f11bb..989df70 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -220,6 +220,7 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up) /* we're brought up, everything changes */ hw_reconf_flags = ~0; ieee80211_led_radio(local, true); + ieee80211_start_tpt_led_trig(local); } /* diff --git a/net/mac80211/led.c b/net/mac80211/led.c index 740a1d4..79b1309 100644 --- a/net/mac80211/led.c +++ b/net/mac80211/led.c @@ -103,6 +103,13 @@ void ieee80211_led_init(struct ieee80211_local *local) local->radio_led = NULL; } } + + if (local->tpt_led_trigger) { + if (led_trigger_register(&local->tpt_led_trigger->trig)) { + kfree(local->tpt_led_trigger); + local->tpt_led_trigger = NULL; + } + } } void ieee80211_led_exit(struct ieee80211_local *local) @@ -123,6 +130,11 @@ void ieee80211_led_exit(struct ieee80211_local *local) led_trigger_unregister(local->rx_led); kfree(local->rx_led); } + + if (local->tpt_led_trigger) { + led_trigger_unregister(&local->tpt_led_trigger->trig); + kfree(local->tpt_led_trigger); + } } char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw) @@ -156,3 +168,112 @@ char *__ieee80211_get_rx_led_name(struct ieee80211_hw *hw) return local->rx_led_name; } EXPORT_SYMBOL(__ieee80211_get_rx_led_name); + +static unsigned long tpt_trig_traffic(struct ieee80211_local *local, + struct tpt_led_trigger *tpt_trig) +{ + unsigned long traffic, delta; + + traffic = tpt_trig->tx_bytes + tpt_trig->rx_bytes; + + delta = traffic - tpt_trig->prev_traffic; + tpt_trig->prev_traffic = traffic; + return DIV_ROUND_UP(delta, 1024 / 8); +} + +static void tpt_trig_timer(unsigned long data) +{ + struct ieee80211_local *local = (void *)data; + struct tpt_led_trigger *tpt_trig = local->tpt_led_trigger; + struct led_classdev *led_cdev; + unsigned long on, off, tpt; + int i; + + if (!tpt_trig->running) + return; + + mod_timer(&tpt_trig->timer, round_jiffies(jiffies + HZ)); + + tpt = tpt_trig_traffic(local, tpt_trig); + + /* default to just solid on */ + on = 1; + off = 0; + + for (i = tpt_trig->blink_table_len - 1; i >= 0; i--) { + if (tpt_trig->blink_table[i].throughput < 0 || + tpt > tpt_trig->blink_table[i].throughput) { + off = tpt_trig->blink_table[i].blink_time / 2; + on = tpt_trig->blink_table[i].blink_time - off; + break; + } + } + + read_lock(&tpt_trig->trig.leddev_list_lock); + list_for_each_entry(led_cdev, &tpt_trig->trig.led_cdevs, trig_list) + led_blink_set(led_cdev, &on, &off); + read_unlock(&tpt_trig->trig.leddev_list_lock); +} + +extern char *__ieee80211_create_tpt_led_trigger( + struct ieee80211_hw *hw, + const struct ieee80211_tpt_blink *blink_table, + unsigned int blink_table_len) +{ + struct ieee80211_local *local = hw_to_local(hw); + struct tpt_led_trigger *tpt_trig; + + if (WARN_ON(local->tpt_led_trigger)) + return NULL; + + tpt_trig = kzalloc(sizeof(struct tpt_led_trigger), GFP_KERNEL); + if (!tpt_trig) + return NULL; + + snprintf(tpt_trig->name, sizeof(tpt_trig->name), + "%stpt", wiphy_name(local->hw.wiphy)); + + tpt_trig->trig.name = tpt_trig->name; + + tpt_trig->blink_table = blink_table; + tpt_trig->blink_table_len = blink_table_len; + + setup_timer(&tpt_trig->timer, tpt_trig_timer, (unsigned long)local); + + local->tpt_led_trigger = tpt_trig; + + return tpt_trig->name; +} +EXPORT_SYMBOL(__ieee80211_create_tpt_led_trigger); + +void ieee80211_start_tpt_led_trig(struct ieee80211_local *local) +{ + struct tpt_led_trigger *tpt_trig = local->tpt_led_trigger; + + if (!tpt_trig) + return; + + /* reset traffic */ + tpt_trig_traffic(local, tpt_trig); + tpt_trig->running = true; + + tpt_trig_timer((unsigned long)local); + mod_timer(&tpt_trig->timer, round_jiffies(jiffies + HZ)); +} + +void ieee80211_stop_tpt_led_trig(struct ieee80211_local *local) +{ + struct tpt_led_trigger *tpt_trig = local->tpt_led_trigger; + struct led_classdev *led_cdev; + + if (!tpt_trig) + return; + + tpt_trig->running = false; + del_timer_sync(&tpt_trig->timer); + + read_lock(&tpt_trig->trig.leddev_list_lock); + list_for_each_entry(led_cdev, &tpt_trig->trig.led_cdevs, trig_list) + led_brightness_set(led_cdev, LED_OFF); + read_unlock(&tpt_trig->trig.leddev_list_lock); +} diff --git a/net/mac80211/led.h b/net/mac80211/led.h index 8320cba..6c215dc 100644 --- a/net/mac80211/led.h +++ b/net/mac80211/led.h @@ -12,15 +12,17 @@ #include "ieee80211_i.h" #ifdef CONFIG_MAC80211_LEDS -extern void ieee80211_led_rx(struct ieee80211_local *local); -extern void ieee80211_led_tx(struct ieee80211_local *local, int q); -extern void ieee80211_led_assoc(struct ieee80211_local *local, - bool associated); -extern void ieee80211_led_radio(struct ieee80211_local *local, - bool enabled); -extern void ieee80211_led_names(struct ieee80211_local *local); -extern void ieee80211_led_init(struct ieee80211_local *local); -extern void ieee80211_led_exit(struct ieee80211_local *local); +void ieee80211_led_rx(struct ieee80211_local *local); +void ieee80211_led_tx(struct ieee80211_local *local, int q); +void ieee80211_led_assoc(struct ieee80211_local *local, + bool associated); +void ieee80211_led_radio(struct ieee80211_local *local, + bool enabled); +void ieee80211_led_names(struct ieee80211_local *local); +void ieee80211_led_init(struct ieee80211_local *local); +void ieee80211_led_exit(struct ieee80211_local *local); +void ieee80211_start_tpt_led_trig(struct ieee80211_local *local); +void ieee80211_stop_tpt_led_trig(struct ieee80211_local *local); #else static inline void ieee80211_led_rx(struct ieee80211_local *local) { @@ -45,4 +47,28 @@ static inline void ieee80211_led_init(struct ieee80211_local *local) static inline void ieee80211_led_exit(struct ieee80211_local *local) { } +static inline void ieee80211_start_tpt_led_trig(struct ieee80211_local *local) +{ +} +static inline void ieee80211_stop_tpt_led_trig(struct ieee80211_local *local) +{ +} +#endif + +static inline void +ieee80211_tpt_led_trig_tx(struct ieee80211_local *local, __le16 fc, int bytes) +{ +#ifdef CONFIG_MAC80211_LEDS + if (local->tpt_led_trigger && ieee80211_is_data(fc)) + local->tpt_led_trigger->tx_bytes += bytes; #endif +} + +static inline void +ieee80211_tpt_led_trig_rx(struct ieee80211_local *local, __le16 fc, int bytes) +{ +#ifdef CONFIG_MAC80211_LEDS + if (local->tpt_led_trigger && ieee80211_is_data(fc)) + local->tpt_led_trigger->rx_bytes += bytes; +#endif +} diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 7c5d1b2..01a3f26 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -2928,6 +2928,9 @@ void ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb) return; } + ieee80211_tpt_led_trig_rx(local, + ((struct ieee80211_hdr *)skb->data)->frame_control, + skb->len); __ieee80211_rx_handle_packet(hw, skb); rcu_read_unlock(); diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index d2b4b67..68c2fbd 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1297,6 +1297,7 @@ static int __ieee80211_tx(struct ieee80211_local *local, while (skb) { int q = skb_get_queue_mapping(skb); + __le16 fc; spin_lock_irqsave(&local->queue_stop_reason_lock, flags); ret = IEEE80211_TX_OK; @@ -1339,6 +1340,7 @@ static int __ieee80211_tx(struct ieee80211_local *local, else info->control.sta = NULL; + fc = ((struct ieee80211_hdr *)skb->data)->frame_control; ret = drv_tx(local, skb); if (WARN_ON(ret != NETDEV_TX_OK && skb->len != len)) { dev_kfree_skb(skb); @@ -1349,6 +1351,7 @@ static int __ieee80211_tx(struct ieee80211_local *local, return IEEE80211_TX_AGAIN; } + ieee80211_tpt_led_trig_tx(local, fc, len); *skbp = skb = next; ieee80211_led_tx(local, 1); fragm = true; diff --git a/net/mac80211/util.c b/net/mac80211/util.c index e497476..4830641 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -1116,6 +1116,7 @@ u32 ieee80211_sta_get_rates(struct ieee80211_local *local, void ieee80211_stop_device(struct ieee80211_local *local) { ieee80211_led_radio(local, false); + ieee80211_stop_tpt_led_trig(local); cancel_work_sync(&local->reconfig_filter); @@ -1150,6 +1151,7 @@ int ieee80211_reconfig(struct ieee80211_local *local) } ieee80211_led_radio(local, true); + ieee80211_start_tpt_led_trig(local); } /* add interfaces */ |