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path: root/drivers/net/ethernet/freescale/gianfar.c
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Diffstat (limited to 'drivers/net/ethernet/freescale/gianfar.c')
-rw-r--r--drivers/net/ethernet/freescale/gianfar.c30
1 files changed, 10 insertions, 20 deletions
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index 3bdeb295514b..f27f9bae1a4a 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -2934,29 +2934,17 @@ static bool gfar_add_rx_frag(struct gfar_rx_buff *rxb, u32 lstatus,
{
int size = lstatus & BD_LENGTH_MASK;
struct page *page = rxb->page;
- bool last = !!(lstatus & BD_LFLAG(RXBD_LAST));
-
- /* Remove the FCS from the packet length */
- if (last)
- size -= ETH_FCS_LEN;
if (likely(first)) {
skb_put(skb, size);
} else {
/* the last fragments' length contains the full frame length */
- if (last)
+ if (lstatus & BD_LFLAG(RXBD_LAST))
size -= skb->len;
- /* Add the last fragment if it contains something other than
- * the FCS, otherwise drop it and trim off any part of the FCS
- * that was already received.
- */
- if (size > 0)
- skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page,
- rxb->page_offset + RXBUF_ALIGNMENT,
- size, GFAR_RXB_TRUESIZE);
- else if (size < 0)
- pskb_trim(skb, skb->len + size);
+ skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page,
+ rxb->page_offset + RXBUF_ALIGNMENT,
+ size, GFAR_RXB_TRUESIZE);
}
/* try reuse page */
@@ -3069,12 +3057,12 @@ static void gfar_process_frame(struct net_device *ndev, struct sk_buff *skb)
if (priv->padding)
skb_pull(skb, priv->padding);
+ /* Trim off the FCS */
+ pskb_trim(skb, skb->len - ETH_FCS_LEN);
+
if (ndev->features & NETIF_F_RXCSUM)
gfar_rx_checksum(skb, fcb);
- /* Tell the skb what kind of packet this is */
- skb->protocol = eth_type_trans(skb, ndev);
-
/* There's need to check for NETIF_F_HW_VLAN_CTAG_RX here.
* Even if vlan rx accel is disabled, on some chips
* RXFCB_VLN is pseudo randomly set.
@@ -3145,13 +3133,15 @@ int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit)
continue;
}
+ gfar_process_frame(ndev, skb);
+
/* Increment the number of packets */
total_pkts++;
total_bytes += skb->len;
skb_record_rx_queue(skb, rx_queue->qindex);
- gfar_process_frame(ndev, skb);
+ skb->protocol = eth_type_trans(skb, ndev);
/* Send the packet up the stack */
napi_gro_receive(&rx_queue->grp->napi_rx, skb);