if (((rtlpriv->link_info.num_rx_inperiod +
rtlpriv->link_info.num_tx_inperiod) > 8) ||
(rtlpriv->link_info.num_rx_inperiod > 2)) {
- rtl_lps_leave(hw);
+ tasklet_schedule(&rtlpriv->works.ips_leave_tasklet);
}
}
.noise = -98,
.rate = 0,
};
+ int index = rtlpci->rx_ring[rx_queue_idx].idx;
/*RX NORMAL PKT */
while (count--) {
/*rx descriptor */
struct rtl_rx_desc *pdesc = &rtlpci->rx_ring[rx_queue_idx].desc[
- rtlpci->rx_ring[rx_queue_idx].idx];
+ index];
/*rx pkt */
struct sk_buff *skb = rtlpci->rx_ring[rx_queue_idx].rx_buf[
- rtlpci->rx_ring[rx_queue_idx].idx];
+ index];
own = (u8) rtlpriv->cfg->ops->get_desc((u8 *) pdesc,
false, HW_DESC_OWN);
if (own) {
/*wait data to be filled by hardware */
- return;
+ break;
} else {
struct ieee80211_hdr *hdr;
__le16 fc;
&rx_status,
(u8 *) pdesc, skb);
- pci_unmap_single(rtlpci->pdev,
- *((dma_addr_t *) skb->cb),
- rtlpci->rxbuffersize,
- PCI_DMA_FROMDEVICE);
-
skb_put(skb, rtlpriv->cfg->ops->get_desc((u8 *) pdesc,
false,
HW_DESC_RXPKT_LEN));
hdr = rtl_get_hdr(skb);
fc = rtl_get_fc(skb);
- if (!stats.crc || !stats.hwerror) {
+ /* try for new buffer - if allocation fails, drop
+ * frame and reuse old buffer
+ */
+ new_skb = dev_alloc_skb(rtlpci->rxbuffersize);
+ if (unlikely(!new_skb)) {
+ RT_TRACE(rtlpriv, (COMP_INTR | COMP_RECV),
+ DBG_DMESG,
+ ("can't alloc skb for rx\n"));
+ goto done;
+ }
+ pci_unmap_single(rtlpci->pdev,
+ *((dma_addr_t *) skb->cb),
+ rtlpci->rxbuffersize,
+ PCI_DMA_FROMDEVICE);
+
+ if (!stats.crc && !stats.hwerror) {
memcpy(IEEE80211_SKB_RXCB(skb), &rx_status,
sizeof(rx_status));
if (((rtlpriv->link_info.num_rx_inperiod +
rtlpriv->link_info.num_tx_inperiod) > 8) ||
(rtlpriv->link_info.num_rx_inperiod > 2)) {
- rtl_lps_leave(hw);
+ tasklet_schedule(&rtlpriv->works.ips_leave_tasklet);
}
- new_skb = dev_alloc_skb(rtlpci->rxbuffersize);
- if (unlikely(!new_skb)) {
- RT_TRACE(rtlpriv, (COMP_INTR | COMP_RECV),
- DBG_DMESG,
- ("can't alloc skb for rx\n"));
- goto done;
- }
skb = new_skb;
- /*skb->dev = dev; */
- rtlpci->rx_ring[rx_queue_idx].rx_buf[rtlpci->
- rx_ring
- [rx_queue_idx].
- idx] = skb;
+ rtlpci->rx_ring[rx_queue_idx].rx_buf[index] = skb;
*((dma_addr_t *) skb->cb) =
pci_map_single(rtlpci->pdev, skb_tail_pointer(skb),
rtlpci->rxbuffersize,
rtlpriv->cfg->ops->set_desc((u8 *) pdesc, false,
HW_DESC_RXBUFF_ADDR,
(u8 *)&bufferaddress);
- rtlpriv->cfg->ops->set_desc((u8 *)pdesc, false, HW_DESC_RXOWN,
- (u8 *)&tmp_one);
rtlpriv->cfg->ops->set_desc((u8 *)pdesc, false,
HW_DESC_RXPKT_LEN,
(u8 *)&rtlpci->rxbuffersize);
- if (rtlpci->rx_ring[rx_queue_idx].idx ==
- rtlpci->rxringcount - 1)
+ if (index == rtlpci->rxringcount - 1)
rtlpriv->cfg->ops->set_desc((u8 *)pdesc, false,
HW_DESC_RXERO,
(u8 *)&tmp_one);
- rtlpci->rx_ring[rx_queue_idx].idx =
- (rtlpci->rx_ring[rx_queue_idx].idx + 1) %
- rtlpci->rxringcount;
+ rtlpriv->cfg->ops->set_desc((u8 *)pdesc, false, HW_DESC_RXOWN,
+ (u8 *)&tmp_one);
+
+ index = (index + 1) % rtlpci->rxringcount;
}
+ rtlpci->rx_ring[rx_queue_idx].idx = index;
}
static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id)
_rtl_pci_tx_chk_waitq(hw);
}
+static void _rtl_pci_ips_leave_tasklet(struct ieee80211_hw *hw)
+{
+ rtl_lps_leave(hw);
+}
+
static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
tasklet_init(&rtlpriv->works.irq_prepare_bcn_tasklet,
(void (*)(unsigned long))_rtl_pci_prepare_bcn_tasklet,
(unsigned long)hw);
+ tasklet_init(&rtlpriv->works.ips_leave_tasklet,
+ (void (*)(unsigned long))_rtl_pci_ips_leave_tasklet,
+ (unsigned long)hw);
}
static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw,
rtlpci->rx_ring[rx_queue_idx].idx = 0;
+ /* If amsdu_8k is disabled, set buffersize to 4096. This
+ * change will reduce memory fragmentation.
+ */
+ if (rtlpci->rxbuffersize > 4096 &&
+ rtlpriv->rtlhal.disable_amsdu_8k)
+ rtlpci->rxbuffersize = 4096;
+
for (i = 0; i < rtlpci->rxringcount; i++) {
struct sk_buff *skb =
dev_alloc_skb(rtlpci->rxbuffersize);
synchronize_irq(rtlpci->pdev->irq);
tasklet_kill(&rtlpriv->works.irq_tasklet);
+ tasklet_kill(&rtlpriv->works.ips_leave_tasklet);
flush_workqueue(rtlpriv->works.rtl_wq);
destroy_workqueue(rtlpriv->works.rtl_wq);
set_hal_stop(rtlhal);
rtlpriv->cfg->ops->disable_interrupt(hw);
+ tasklet_kill(&rtlpriv->works.ips_leave_tasklet);
spin_lock_irqsave(&rtlpriv->locks.rf_ps_lock, flags);
while (ppsc->rfchange_inprogress) {