diff options
| author | Grant Likely <grant.likely@secretlab.ca> | 2011-06-06 10:10:07 -0600 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2011-06-06 10:10:07 -0600 |
| commit | 8c31b1635b91e48f867e010cd7bcd06393e5858a (patch) | |
| tree | 4981add7e38e24724d255dedeb03f93be34d33ec /drivers/net/wireless/rtlwifi/pci.c | |
| parent | 121a2dd860f8348fb014b660f133a0cb9a16273e (diff) | |
| parent | 2ce420da39078a6135d1c004a0e4436fdc1458b4 (diff) | |
| download | olio-linux-3.10-8c31b1635b91e48f867e010cd7bcd06393e5858a.tar.xz olio-linux-3.10-8c31b1635b91e48f867e010cd7bcd06393e5858a.zip | |
Merge branch 'gpio/next-mx' into gpio/next
Diffstat (limited to 'drivers/net/wireless/rtlwifi/pci.c')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/pci.c | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c index a4095284543..89100e7c553 100644 --- a/drivers/net/wireless/rtlwifi/pci.c +++ b/drivers/net/wireless/rtlwifi/pci.c @@ -669,11 +669,6 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw) &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)); @@ -690,6 +685,21 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw) hdr = rtl_get_hdr(skb); fc = rtl_get_fc(skb); + /* 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)); @@ -758,15 +768,7 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw) rtl_lps_leave(hw); } - 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 @@ -1113,6 +1115,13 @@ static int _rtl_pci_init_rx_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); |