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yaml
---
r: 149732
b: refs/heads/master
c: 728a997
h: refs/heads/master
v: v3
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Ajit Khaparde authored and David S. Miller committed Apr 13, 2009
1 parent 50ea9f4 commit ca13238
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Showing 2 changed files with 23 additions and 7 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 8d1c3c0746098bee8ad116073120166347f21719
refs/heads/master: 728a9972d1f290608e730b9ccec2061aa81f6609
28 changes: 22 additions & 6 deletions trunk/drivers/net/benet/be_main.c
Original file line number Diff line number Diff line change
Expand Up @@ -637,6 +637,22 @@ static void be_rx_stats_update(struct be_adapter *adapter,
stats->be_rx_bytes += pktsize;
}

static inline bool do_pkt_csum(struct be_eth_rx_compl *rxcp, bool cso)
{
u8 l4_cksm, ip_version, ipcksm, tcpf = 0, udpf = 0, ipv6_chk;

l4_cksm = AMAP_GET_BITS(struct amap_eth_rx_compl, l4_cksm, rxcp);
ipcksm = AMAP_GET_BITS(struct amap_eth_rx_compl, ipcksm, rxcp);
ip_version = AMAP_GET_BITS(struct amap_eth_rx_compl, ip_version, rxcp);
if (ip_version) {
tcpf = AMAP_GET_BITS(struct amap_eth_rx_compl, tcpf, rxcp);
udpf = AMAP_GET_BITS(struct amap_eth_rx_compl, udpf, rxcp);
}
ipv6_chk = (ip_version && (tcpf || udpf));

return ((l4_cksm && ipv6_chk && ipcksm) && cso) ? false : true;
}

static struct be_rx_page_info *
get_rx_page_info(struct be_adapter *adapter, u16 frag_idx)
{
Expand Down Expand Up @@ -752,9 +768,7 @@ static void be_rx_compl_process(struct be_adapter *adapter,
{
struct sk_buff *skb;
u32 vtp, vid;
int l4_cksm;

l4_cksm = AMAP_GET_BITS(struct amap_eth_rx_compl, l4_cksm, rxcp);
vtp = AMAP_GET_BITS(struct amap_eth_rx_compl, vtp, rxcp);

skb = netdev_alloc_skb(adapter->netdev, BE_HDR_LEN + NET_IP_ALIGN);
Expand All @@ -769,10 +783,10 @@ static void be_rx_compl_process(struct be_adapter *adapter,

skb_fill_rx_data(adapter, skb, rxcp);

if (l4_cksm && adapter->rx_csum)
skb->ip_summed = CHECKSUM_UNNECESSARY;
else
if (do_pkt_csum(rxcp, adapter->rx_csum))
skb->ip_summed = CHECKSUM_NONE;
else
skb->ip_summed = CHECKSUM_UNNECESSARY;

skb->truesize = skb->len + sizeof(struct sk_buff);
skb->protocol = eth_type_trans(skb, adapter->netdev);
Expand Down Expand Up @@ -1626,10 +1640,12 @@ static void be_netdev_init(struct net_device *netdev)

netdev->features |= NETIF_F_SG | NETIF_F_HW_VLAN_RX | NETIF_F_TSO |
NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_FILTER | NETIF_F_IP_CSUM |
NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
NETIF_F_IPV6_CSUM;

netdev->flags |= IFF_MULTICAST;

adapter->rx_csum = true;

BE_SET_NETDEV_OPS(netdev, &be_netdev_ops);

SET_ETHTOOL_OPS(netdev, &be_ethtool_ops);
Expand Down

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