diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c index c94aa1e5d089cc786ab9b1625e22e41ca450cef0..bc1ae1ebfdb0ced4922f7dc655db9cb9c5c71053 100644 --- a/drivers/net/wireless/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/rt2x00/rt2400pci.c @@ -1612,6 +1612,7 @@ static const struct ieee80211_ops rt2400pci_mac80211_ops = { .get_tsf = rt2400pci_get_tsf, .tx_last_beacon = rt2400pci_tx_last_beacon, .rfkill_poll = rt2x00mac_rfkill_poll, + .flush = rt2x00mac_flush, }; static const struct rt2x00lib_ops rt2400pci_rt2x00_ops = { diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index b69e55fedda990a1c12d1db368dfd3ef5dbbddb3..54754150250b2e2f1a192f2842899ad01c9a6e21 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -1909,6 +1909,7 @@ static const struct ieee80211_ops rt2500pci_mac80211_ops = { .get_tsf = rt2500pci_get_tsf, .tx_last_beacon = rt2500pci_tx_last_beacon, .rfkill_poll = rt2x00mac_rfkill_poll, + .flush = rt2x00mac_flush, }; static const struct rt2x00lib_ops rt2500pci_rt2x00_ops = { diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index f20ab79b2817e61bb491226aa7b4f32da778f4ed..478c4f127ce601bc4be0d128ce19f4ff3e9703ec 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1801,6 +1801,7 @@ static const struct ieee80211_ops rt2500usb_mac80211_ops = { .bss_info_changed = rt2x00mac_bss_info_changed, .conf_tx = rt2x00mac_conf_tx, .rfkill_poll = rt2x00mac_rfkill_poll, + .flush = rt2x00mac_flush, }; static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = { diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index 2c12b598be508c3697cac1fb08632b68e54a2ab5..6dc61b7710b9d494da3dcb1ef021e02ed41399e3 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -943,6 +943,7 @@ static const struct ieee80211_ops rt2800pci_mac80211_ops = { .get_tsf = rt2800_get_tsf, .rfkill_poll = rt2x00mac_rfkill_poll, .ampdu_action = rt2800_ampdu_action, + .flush = rt2x00mac_flush, }; static const struct rt2800_ops rt2800pci_rt2800_ops = { diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index 3f44131baeeeba8ece63dbdee0dd56b9c84a40b6..04dfedc70f85be0c449e82406682e2eb2d72c6f8 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -508,6 +508,7 @@ static const struct ieee80211_ops rt2800usb_mac80211_ops = { .get_tsf = rt2800_get_tsf, .rfkill_poll = rt2x00mac_rfkill_poll, .ampdu_action = rt2800_ampdu_action, + .flush = rt2x00mac_flush, }; static const struct rt2800_ops rt2800usb_rt2800_ops = { diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index 94fe589acfaabff06eac097fe7e3ae3e2f7ea310..42bd3a96f23b8fac6f847a61e04325b8a1c10be5 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -1133,6 +1133,7 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw, int rt2x00mac_conf_tx(struct ieee80211_hw *hw, u16 queue, const struct ieee80211_tx_queue_params *params); void rt2x00mac_rfkill_poll(struct ieee80211_hw *hw); +void rt2x00mac_flush(struct ieee80211_hw *hw, bool drop); /* * Driver allocation handlers. diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index c3c206a97d54c608da497256a7fcadd44293d9df..283a8d9874ee251a0ba0e1b8d0dfa1ca1e7d6068 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -719,3 +719,41 @@ void rt2x00mac_rfkill_poll(struct ieee80211_hw *hw) wiphy_rfkill_set_hw_state(hw->wiphy, !active); } EXPORT_SYMBOL_GPL(rt2x00mac_rfkill_poll); + +void rt2x00mac_flush(struct ieee80211_hw *hw, bool drop) +{ + struct rt2x00_dev *rt2x00dev = hw->priv; + struct data_queue *queue; + unsigned int i = 0; + + ieee80211_stop_queues(hw); + + /* + * Run over all queues to kick them, this will force + * any pending frames to be transmitted. + */ + tx_queue_for_each(rt2x00dev, queue) { + rt2x00dev->ops->lib->kick_tx_queue(queue); + } + + /** + * All queues have been kicked, now wait for each queue + * to become empty. With a bit of luck, we only have to wait + * for the first queue to become empty, because while waiting + * for the that queue, the other queues will have transmitted + * all their frames as well (since they were already kicked). + */ + tx_queue_for_each(rt2x00dev, queue) { + for (i = 0; i < 10; i++) { + if (rt2x00queue_empty(queue)) + break; + msleep(100); + } + + if (!rt2x00queue_empty(queue)) + WARNING(rt2x00dev, "Failed to flush queue %d", queue->qid); + } + + ieee80211_wake_queues(hw); +} +EXPORT_SYMBOL_GPL(rt2x00mac_flush); diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index fba9ee11873bb8c7b59aef74233b09221af7a4bf..f01bff7656bc2a5a866fd56e5f9fa1b75955ae65 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -2824,6 +2824,7 @@ static const struct ieee80211_ops rt61pci_mac80211_ops = { .conf_tx = rt61pci_conf_tx, .get_tsf = rt61pci_get_tsf, .rfkill_poll = rt2x00mac_rfkill_poll, + .flush = rt2x00mac_flush, }; static const struct rt2x00lib_ops rt61pci_rt2x00_ops = { diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 3c86f0075aed08b288dafd4798a9f3b47d8b6bc3..dcb9211c4771ebe0cc34eaf8db2705e5127fb9e5 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -2264,6 +2264,7 @@ static const struct ieee80211_ops rt73usb_mac80211_ops = { .conf_tx = rt73usb_conf_tx, .get_tsf = rt73usb_get_tsf, .rfkill_poll = rt2x00mac_rfkill_poll, + .flush = rt2x00mac_flush, }; static const struct rt2x00lib_ops rt73usb_rt2x00_ops = {