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authorDavid S. Miller <davem@davemloft.net>2014-11-14 01:01:12 -0500
committerDavid S. Miller <davem@davemloft.net>2014-11-14 01:01:12 -0500
commit076ce4482569ea1a2c27b4ca71a309adaf91d398 (patch)
tree2ae9e42612f35be897f190983fc292d7af781cd2 /drivers/net/ethernet/freescale
parenttcp: limit GSO packets to half cwnd (diff)
parentMerge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost (diff)
downloadlinux-dev-076ce4482569ea1a2c27b4ca71a309adaf91d398.tar.xz
linux-dev-076ce4482569ea1a2c27b4ca71a309adaf91d398.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/ethernet/chelsio/cxgb4vf/sge.c drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c sge.c was overlapping two changes, one to use the new __dev_alloc_page() in net-next, and one to use s->fl_pg_order in net. ixgbe_phy.c was a set of overlapping whitespace changes. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale')
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c23
1 files changed, 19 insertions, 4 deletions
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index c27128de8dde..3dca494797bd 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -298,6 +298,16 @@ static void *swap_buffer(void *bufaddr, int len)
return bufaddr;
}
+static void swap_buffer2(void *dst_buf, void *src_buf, int len)
+{
+ int i;
+ unsigned int *src = src_buf;
+ unsigned int *dst = dst_buf;
+
+ for (i = 0; i < len; i += 4, src++, dst++)
+ *dst = swab32p(src);
+}
+
static void fec_dump(struct net_device *ndev)
{
struct fec_enet_private *fep = netdev_priv(ndev);
@@ -1307,7 +1317,7 @@ fec_enet_new_rxbdp(struct net_device *ndev, struct bufdesc *bdp, struct sk_buff
}
static bool fec_enet_copybreak(struct net_device *ndev, struct sk_buff **skb,
- struct bufdesc *bdp, u32 length)
+ struct bufdesc *bdp, u32 length, bool swap)
{
struct fec_enet_private *fep = netdev_priv(ndev);
struct sk_buff *new_skb;
@@ -1322,7 +1332,10 @@ static bool fec_enet_copybreak(struct net_device *ndev, struct sk_buff **skb,
dma_sync_single_for_cpu(&fep->pdev->dev, bdp->cbd_bufaddr,
FEC_ENET_RX_FRSIZE - fep->rx_align,
DMA_FROM_DEVICE);
- memcpy(new_skb->data, (*skb)->data, length);
+ if (!swap)
+ memcpy(new_skb->data, (*skb)->data, length);
+ else
+ swap_buffer2(new_skb->data, (*skb)->data, length);
*skb = new_skb;
return true;
@@ -1352,6 +1365,7 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id)
u16 vlan_tag;
int index = 0;
bool is_copybreak;
+ bool need_swap = id_entry->driver_data & FEC_QUIRK_SWAP_FRAME;
#ifdef CONFIG_M532x
flush_cache_all();
@@ -1415,7 +1429,8 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id)
* include that when passing upstream as it messes up
* bridging applications.
*/
- is_copybreak = fec_enet_copybreak(ndev, &skb, bdp, pkt_len - 4);
+ is_copybreak = fec_enet_copybreak(ndev, &skb, bdp, pkt_len - 4,
+ need_swap);
if (!is_copybreak) {
skb_new = netdev_alloc_skb(ndev, FEC_ENET_RX_FRSIZE);
if (unlikely(!skb_new)) {
@@ -1430,7 +1445,7 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id)
prefetch(skb->data - NET_IP_ALIGN);
skb_put(skb, pkt_len - 4);
data = skb->data;
- if (id_entry->driver_data & FEC_QUIRK_SWAP_FRAME)
+ if (!is_copybreak && need_swap)
swap_buffer(data, pkt_len);
/* Extract the enhanced buffer descriptor */