diff options
Diffstat (limited to 'drivers/net/fs_enet/fs_enet-main.c')
| -rw-r--r-- | drivers/net/fs_enet/fs_enet-main.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c index a15345ba1e59..7a0298687875 100644 --- a/drivers/net/fs_enet/fs_enet-main.c +++ b/drivers/net/fs_enet/fs_enet-main.c @@ -70,6 +70,14 @@ static void fs_set_multicast_list(struct net_device *dev) (*fep->ops->set_multicast_list)(dev); } +static void skb_align(struct sk_buff *skb, int align) +{ + int off = ((unsigned long)skb->data) & (align - 1); + + if (off) + skb_reserve(skb, align - off); +} + /* NAPI receive function */ static int fs_enet_rx_napi(struct napi_struct *napi, int budget) { @@ -159,9 +167,13 @@ static int fs_enet_rx_napi(struct napi_struct *napi, int budget) skb = skbn; skbn = skbt; } - } else + } else { skbn = dev_alloc_skb(ENET_RX_FRSIZE); + if (skbn) + skb_align(skbn, ENET_RX_ALIGN); + } + if (skbn != NULL) { skb_put(skb, pkt_len); /* Make room */ skb->protocol = eth_type_trans(skb, dev); @@ -290,9 +302,13 @@ static int fs_enet_rx_non_napi(struct net_device *dev) skb = skbn; skbn = skbt; } - } else + } else { skbn = dev_alloc_skb(ENET_RX_FRSIZE); + if (skbn) + skb_align(skbn, ENET_RX_ALIGN); + } + if (skbn != NULL) { skb_put(skb, pkt_len); /* Make room */ skb->protocol = eth_type_trans(skb, dev); @@ -502,6 +518,7 @@ void fs_init_bds(struct net_device *dev) dev->name); break; } + skb_align(skb, ENET_RX_ALIGN); fep->rx_skbuff[i] = skb; CBDW_BUFADDR(bdp, dma_map_single(fep->dev, skb->data, |