diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/asf_gianfar.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/asf_gianfar.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/asf_gianfar.c b/drivers/net/ethernet/freescale/asf_gianfar.c index fba42ba..75102b8 100644 --- a/drivers/net/ethernet/freescale/asf_gianfar.c +++ b/drivers/net/ethernet/freescale/asf_gianfar.c @@ -26,6 +26,12 @@ #define GFAR_RXB_REC_SZ (DEFAULT_RX_BUFFER_SIZE + RXBUF_ALIGNMENT) +devfp_hook_t devfp_rx_hook; +EXPORT_SYMBOL(devfp_rx_hook); + +devfp_hook_t devfp_tx_hook; +EXPORT_SYMBOL(devfp_tx_hook); + static inline void gfar_recycle_skb(struct sk_buff *skb) { struct sk_buff_head *h = &__get_cpu_var(skb_recycle_list); @@ -81,6 +87,21 @@ static void gfar_process_frame(struct net_device *dev, struct sk_buff *skb, if (dev->features & NETIF_F_RXCSUM) gfar_rx_checksum(skb, fcb); + if (devfp_rx_hook) { + /* Drop the packet silently if IP Checksum is not correct */ + if ((fcb->flags & RXFCB_CIP) && (fcb->flags & RXFCB_EIP)) { + dev_kfree_skb_any(skb); + return; + } + if (dev->features & NETIF_F_HW_VLAN_CTAG_RX && + fcb->flags & RXFCB_VLN) + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), fcb->vlctl); + + skb->dev = dev; + if (devfp_rx_hook(skb, dev) == AS_FP_STOLEN) + return; + } + /* Tell the skb what kind of packet this is */ skb->protocol = eth_type_trans(skb, dev); @@ -112,6 +133,10 @@ int gfar_asf_start_xmit(struct sk_buff *skb, struct net_device *dev) int skb_curtx = 0; unsigned int nr_frags, nr_txbds, bytes_sent, fcb_len = 0; + if (devfp_tx_hook && (skb->pkt_type != PACKET_FASTROUTE)) + if (devfp_tx_hook(skb, dev) == AS_FP_STOLEN) + return 0; + rq = smp_processor_id(); tx_queue = priv->tx_queue[rq]; |