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backfire: ar71xx: ag71xx: avoid unalinged accesses when using the phy specific receive functions (backport of r20751)

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git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@20760 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2010-04-09 12:06:06 +00:00
parent 612a3d373d
commit 311592bd07
2 changed files with 8 additions and 1 deletions
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2
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 "0.5.34"
#define AG71XX_DRV_VERSION "0.5.35"
#define AG71XX_NAPI_WEIGHT 64
#define AG71XX_OOM_REFILL (1 + HZ/10)

7
target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c
View File

@ -764,6 +764,9 @@ static int ag71xx_rx_copy_skb(struct ag71xx *ag, struct sk_buff **pskb,
{
struct sk_buff *copy_skb;
if (ag->phy_dev && (ag->phy_dev->pkt_align % 4) == 2)
goto keep;
copy_skb = netdev_alloc_skb(ag->dev, pktlen + NET_IP_ALIGN);
if (!copy_skb)
return -ENOMEM;
@ -776,6 +779,10 @@ static int ag71xx_rx_copy_skb(struct ag71xx *ag, struct sk_buff **pskb,
*pskb = copy_skb;
return 0;
keep:
skb_put(*pskb, pktlen);
return 0;
}
static int ag71xx_rx_packets(struct ag71xx *ag, int limit)