diff options
Diffstat (limited to 'drivers/net/e1000/e1000_main.c')
| -rw-r--r-- | drivers/net/e1000/e1000_main.c | 51 |
1 files changed, 27 insertions, 24 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 4dd2c23775cb..ebdea0891665 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -2161,8 +2161,6 @@ static void e1000_set_rx_mode(struct net_device *netdev) e1000_rar_set(hw, ha->addr, i++); } - WARN_ON(i == rar_entries); - netdev_for_each_mc_addr(ha, netdev) { if (i == rar_entries) { /* load any remaining addresses into the hash table */ @@ -2546,8 +2544,6 @@ set_itr_now: adapter->itr = new_itr; ew32(ITR, 1000000000 / (new_itr * 256)); } - - return; } #define E1000_TX_FLAGS_CSUM 0x00000001 @@ -3789,6 +3785,31 @@ next_desc: return cleaned; } +/* + * this should improve performance for small packets with large amounts + * of reassembly being done in the stack + */ +static void e1000_check_copybreak(struct net_device *netdev, + struct e1000_buffer *buffer_info, + u32 length, struct sk_buff **skb) +{ + struct sk_buff *new_skb; + + if (length > copybreak) + return; + + new_skb = netdev_alloc_skb_ip_align(netdev, length); + if (!new_skb) + return; + + skb_copy_to_linear_data_offset(new_skb, -NET_IP_ALIGN, + (*skb)->data - NET_IP_ALIGN, + length + NET_IP_ALIGN); + /* save the skb in buffer_info as good */ + buffer_info->skb = *skb; + *skb = new_skb; +} + /** * e1000_clean_rx_irq - Send received data up the network stack; legacy * @adapter: board private structure @@ -3887,26 +3908,8 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter, total_rx_bytes += length; total_rx_packets++; - /* code added for copybreak, this should improve - * performance for small packets with large amounts - * of reassembly being done in the stack */ - if (length < copybreak) { - struct sk_buff *new_skb = - netdev_alloc_skb_ip_align(netdev, length); - if (new_skb) { - skb_copy_to_linear_data_offset(new_skb, - -NET_IP_ALIGN, - (skb->data - - NET_IP_ALIGN), - (length + - NET_IP_ALIGN)); - /* save the skb in buffer_info as good */ - buffer_info->skb = skb; - skb = new_skb; - } - /* else just continue with the old one */ - } - /* end copybreak code */ + e1000_check_copybreak(netdev, buffer_info, length, &skb); + skb_put(skb, length); /* Receive Checksum Offload */ |