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ixgbe: Minor formatting and comment corrections for ixgbe_xmit_frame_ring

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This patch is meant to address several minor issues in
ixgbe_xmit_frame_ring.  Specifically it adds a comment explaining the TXSW
flag, and correctly wraps a line over 80 characters.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Alexander Duyck
2012-02-08 07:49:33 +00:00
committed by Jeff Kirsher
parent bb9c5ee15b
commit 9e0c5648d9
1 changed files with 11 additions and 6 deletions
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17
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
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@ -7012,11 +7012,6 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb,
return NETDEV_TX_BUSY;
}
#ifdef CONFIG_PCI_IOV
if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
tx_flags |= IXGBE_TX_FLAGS_TXSW;
#endif
/* if we have a HW VLAN tag being added default to the HW one */
if (vlan_tx_tag_present(skb)) {
tx_flags |= vlan_tx_tag_get(skb) << IXGBE_TX_FLAGS_VLAN_SHIFT;
@ -7029,10 +7024,20 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb,
goto out_drop;
protocol = vhdr->h_vlan_encapsulated_proto;
tx_flags |= ntohs(vhdr->h_vlan_TCI) << IXGBE_TX_FLAGS_VLAN_SHIFT;
tx_flags |= ntohs(vhdr->h_vlan_TCI) <<
IXGBE_TX_FLAGS_VLAN_SHIFT;
tx_flags |= IXGBE_TX_FLAGS_SW_VLAN;
}
#ifdef CONFIG_PCI_IOV
/*
* Use the l2switch_enable flag - would be false if the DMA
* Tx switch had been disabled.
*/
if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
tx_flags |= IXGBE_TX_FLAGS_TXSW;
#endif
/* DCB maps skb priorities 0-7 onto 3 bit PCP of VLAN tag. */
if ((adapter->flags & IXGBE_FLAG_DCB_ENABLED) &&
((tx_flags & (IXGBE_TX_FLAGS_HW_VLAN | IXGBE_TX_FLAGS_SW_VLAN)) ||