diff options
| -rw-r--r-- | drivers/net/wireless/rtlwifi/rtl8192cu/trx.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/rtlwifi/usb.c | 60 | ||||
| -rw-r--r-- | drivers/net/wireless/rtlwifi/usb.h | 4 |
3 files changed, 51 insertions, 15 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c index b6222eedb835..710f7904ecdf 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c @@ -434,7 +434,7 @@ static void _rtl_rx_process(struct ieee80211_hw *hw, struct sk_buff *skb) (u32)hdr->addr1[2], (u32)hdr->addr1[3], (u32)hdr->addr1[4], (u32)hdr->addr1[5]); memcpy(IEEE80211_SKB_RXCB(skb), rx_status, sizeof(*rx_status)); - ieee80211_rx_irqsafe(hw, skb); + ieee80211_rx(hw, skb); } void rtl8192cu_rx_hdl(struct ieee80211_hw *hw, struct sk_buff * skb) diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index 8df5836cc99c..a7b54f631293 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -308,6 +308,8 @@ static int _rtl_usb_init_tx(struct ieee80211_hw *hw) return 0; } +static void _rtl_rx_work(unsigned long param); + static int _rtl_usb_init_rx(struct ieee80211_hw *hw) { struct rtl_priv *rtlpriv = rtl_priv(hw); @@ -325,6 +327,11 @@ static int _rtl_usb_init_rx(struct ieee80211_hw *hw) rtlusb->rx_max_size, rtlusb->rx_urb_num, rtlusb->in_ep); init_usb_anchor(&rtlusb->rx_submitted); init_usb_anchor(&rtlusb->rx_cleanup_urbs); + + skb_queue_head_init(&rtlusb->rx_queue); + rtlusb->rx_work_tasklet.func = _rtl_rx_work; + rtlusb->rx_work_tasklet.data = (unsigned long)rtlusb; + return 0; } @@ -515,7 +522,7 @@ static void _rtl_usb_rx_process_noagg(struct ieee80211_hw *hw, } if (likely(rtl_action_proc(hw, skb, false))) - ieee80211_rx_irqsafe(hw, skb); + ieee80211_rx(hw, skb); else dev_kfree_skb_any(skb); } @@ -534,7 +541,31 @@ static void _rtl_rx_pre_process(struct ieee80211_hw *hw, struct sk_buff *skb) while (!skb_queue_empty(&rx_queue)) { _skb = skb_dequeue(&rx_queue); _rtl_usb_rx_process_agg(hw, _skb); - ieee80211_rx_irqsafe(hw, _skb); + ieee80211_rx(hw, _skb); + } +} + +#define __RX_SKB_MAX_QUEUED 32 + +static void _rtl_rx_work(unsigned long param) +{ + struct rtl_usb *rtlusb = (struct rtl_usb *)param; + struct ieee80211_hw *hw = usb_get_intfdata(rtlusb->intf); + struct sk_buff *skb; + + while ((skb = skb_dequeue(&rtlusb->rx_queue))) { + if (unlikely(IS_USB_STOP(rtlusb))) { + dev_kfree_skb_any(skb); + continue; + } + + if (likely(!rtlusb->usb_rx_segregate_hdl)) { + _rtl_usb_rx_process_noagg(hw, skb); + } else { + /* TO DO */ + _rtl_rx_pre_process(hw, skb); + pr_err("rx agg not supported\n"); + } } } @@ -552,6 +583,7 @@ static void _rtl_rx_completed(struct urb *_urb) if (likely(0 == _urb->status)) { struct sk_buff *skb; + unsigned int qlen; unsigned int size = _urb->actual_length; if (size < RTL_RX_DESC_SIZE + sizeof(struct ieee80211_hdr)) { @@ -561,6 +593,14 @@ static void _rtl_rx_completed(struct urb *_urb) goto resubmit; } + qlen = skb_queue_len(&rtlusb->rx_queue); + if (qlen >= __RX_SKB_MAX_QUEUED) { + RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG, + "Pending RX skbuff queue full! (qlen: %d)\n", + qlen); + goto resubmit; + } + skb = dev_alloc_skb(size + __RADIO_TAP_SIZE_RSV); if (!skb) { RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG, @@ -575,17 +615,8 @@ static void _rtl_rx_completed(struct urb *_urb) memcpy(skb_put(skb, size), _urb->transfer_buffer, size); - /* TODO: Do further processing in tasklet (queue skbs, - * schedule tasklet) - */ - - if (likely(!rtlusb->usb_rx_segregate_hdl)) { - _rtl_usb_rx_process_noagg(hw, skb); - } else { - /* TO DO */ - _rtl_rx_pre_process(hw, skb); - pr_err("rx agg not supported\n"); - } + skb_queue_tail(&rtlusb->rx_queue, skb); + tasklet_schedule(&rtlusb->rx_work_tasklet); goto resubmit; } @@ -626,6 +657,9 @@ static void _rtl_usb_cleanup_rx(struct ieee80211_hw *hw) usb_kill_anchored_urbs(&rtlusb->rx_submitted); + tasklet_kill(&rtlusb->rx_work_tasklet); + skb_queue_purge(&rtlusb->rx_queue); + while ((urb = usb_get_from_anchor(&rtlusb->rx_cleanup_urbs))) { usb_free_coherent(urb->dev, urb->transfer_buffer_length, urb->transfer_buffer, urb->transfer_dma); diff --git a/drivers/net/wireless/rtlwifi/usb.h b/drivers/net/wireless/rtlwifi/usb.h index 22d7c68258ec..685273ca9561 100644 --- a/drivers/net/wireless/rtlwifi/usb.h +++ b/drivers/net/wireless/rtlwifi/usb.h @@ -136,12 +136,14 @@ struct rtl_usb { void (*usb_tx_cleanup)(struct ieee80211_hw *, struct sk_buff *); /* Rx */ - u8 in_ep_nums ; + u8 in_ep_nums; u32 in_ep; /* Bulk IN endpoint number */ u32 rx_max_size; /* Bulk IN max buffer size */ u32 rx_urb_num; /* How many Bulk INs are submitted to host. */ struct usb_anchor rx_submitted; struct usb_anchor rx_cleanup_urbs; + struct tasklet_struct rx_work_tasklet; + struct sk_buff_head rx_queue; void (*usb_rx_segregate_hdl)(struct ieee80211_hw *, struct sk_buff *, struct sk_buff_head *); void (*usb_rx_hdl)(struct ieee80211_hw *, struct sk_buff *); |