mr/openwrt
2
0
Fork 1
Code Issues 7 Pull Requests Releases Wiki Activity

ar71xx: ag71xx: use dma_unmap_single to unmap frames

Browse Source 
SVN-Revision: 20001
This commit is contained in:
Gabor Juhos 2010-03-05 20:29:10 +00:00
parent 52564dc5e3
commit ba288eeb84
2 changed files with 14 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h
View File

@ -38,7 +38,7 @@
#define ETH_FCS_LEN 4
#define AG71XX_DRV_NAME "ag71xx"
#define AG71XX_DRV_VERSION "0.5.29"
#define AG71XX_DRV_VERSION "0.5.30"
#define AG71XX_NAPI_WEIGHT 64
#define AG71XX_OOM_REFILL (1 + HZ/10)
@ -88,8 +88,10 @@ struct ag71xx_desc {
} __attribute__((aligned(4)));
struct ag71xx_buf {
struct sk_buff *skb;
struct ag71xx_desc *desc;
struct sk_buff *skb;
struct ag71xx_desc *desc;
dma_addr_t dma_addr;
u32 pad;
};
struct ag71xx_ring {

11
target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c
View File

@ -185,9 +185,11 @@ static void ag71xx_ring_rx_clean(struct ag71xx *ag)
return;
for (i = 0; i < AG71XX_RX_RING_SIZE; i++)
if (ring->buf[i].skb)
if (ring->buf[i].skb) {
dma_unmap_single(&ag->dev->dev, ring->buf[i].dma_addr,
AG71XX_RX_PKT_SIZE, DMA_FROM_DEVICE);
kfree_skb(ring->buf[i].skb);
}
}
static int ag71xx_ring_rx_init(struct ag71xx *ag)
@ -223,6 +225,7 @@ static int ag71xx_ring_rx_init(struct ag71xx *ag)
AG71XX_RX_PKT_SIZE,
DMA_FROM_DEVICE);
ring->buf[i].skb = skb;
ring->buf[i].dma_addr = dma_addr;
ring->buf[i].desc->data = (u32) dma_addr;
ring->buf[i].desc->ctrl = DESC_EMPTY;
}
@ -264,6 +267,7 @@ static int ag71xx_ring_rx_refill(struct ag71xx *ag)
DMA_FROM_DEVICE);
ring->buf[i].skb = skb;
ring->buf[i].dma_addr = dma_addr;
ring->buf[i].desc->data = (u32) dma_addr;
}
@ -684,6 +688,9 @@ static int ag71xx_rx_packets(struct ag71xx *ag, int limit)
pktlen = ag71xx_desc_pktlen(desc);
pktlen -= ETH_FCS_LEN;
dma_unmap_single(&dev->dev, ring->buf[i].dma_addr,
AG71XX_RX_PKT_SIZE, DMA_FROM_DEVICE);
skb_put(skb, pktlen);
skb->dev = dev;