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authorAlexander Duyck <alexander.h.duyck@intel.com>2011-08-26 07:45:57 +0000
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-10-07 22:47:25 -0700
commit294e7d78f5b929536b81620ed33c6507f2921463 (patch)
tree41c00acf51f6d91d4a83977080bc3565c59388c3
parent4be000c874576541cd1d4d0498a0a72a1c60bf0b (diff)
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igb: retire the RX_CSUM flag and use the netdev flag instead
Since the netdev now has its' own checksum flag to indicate if Rx checksum is enabled we might as well use that instead of using the ring flag. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
-rw-r--r--drivers/net/ethernet/intel/igb/igb.h1
-rw-r--r--drivers/net/ethernet/intel/igb/igb_main.c22
2 files changed, 6 insertions, 17 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h
index 91f90fe6f42..fde381a9d23 100644
--- a/drivers/net/ethernet/intel/igb/igb.h
+++ b/drivers/net/ethernet/intel/igb/igb.h
@@ -245,7 +245,6 @@ struct igb_ring {
};
enum e1000_ring_flags_t {
- IGB_RING_FLAG_RX_CSUM,
IGB_RING_FLAG_RX_SCTP_CSUM,
IGB_RING_FLAG_TX_CTX_IDX,
IGB_RING_FLAG_TX_DETECT_HANG
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index ec715f45a44..cae4abb4850 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -732,8 +732,6 @@ static int igb_alloc_queues(struct igb_adapter *adapter)
ring->dev = &adapter->pdev->dev;
ring->netdev = adapter->netdev;
ring->numa_node = adapter->node;
- /* enable rx checksum */
- set_bit(IGB_RING_FLAG_RX_CSUM, &ring->flags);
/* set flag indicating ring supports SCTP checksum offload */
if (adapter->hw.mac.type >= e1000_82576)
set_bit(IGB_RING_FLAG_RX_SCTP_CSUM, &ring->flags);
@@ -1811,19 +1809,8 @@ static u32 igb_fix_features(struct net_device *netdev, u32 features)
static int igb_set_features(struct net_device *netdev, u32 features)
{
- struct igb_adapter *adapter = netdev_priv(netdev);
- int i;
u32 changed = netdev->features ^ features;
- for (i = 0; i < adapter->num_rx_queues; i++) {
- if (features & NETIF_F_RXCSUM)
- set_bit(IGB_RING_FLAG_RX_CSUM,
- &adapter->rx_ring[i]->flags);
- else
- clear_bit(IGB_RING_FLAG_RX_CSUM,
- &adapter->rx_ring[i]->flags);
- }
-
if (changed & NETIF_F_HW_VLAN_RX)
igb_vlan_mode(netdev, features);
@@ -5807,9 +5794,12 @@ static inline void igb_rx_checksum(struct igb_ring *ring,
{
skb_checksum_none_assert(skb);
- /* Ignore Checksum bit is set or checksum is disabled through ethtool */
- if (!test_bit(IGB_RING_FLAG_RX_CSUM, &ring->flags) ||
- (status_err & E1000_RXD_STAT_IXSM))
+ /* Ignore Checksum bit is set */
+ if (status_err & E1000_RXD_STAT_IXSM)
+ return;
+
+ /* Rx checksum disabled via ethtool */
+ if (!(ring->netdev->features & NETIF_F_RXCSUM))
return;
/* TCP/UDP checksum error bit is set */