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i40e: Skip the priority tagging if DCB is not enabled

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If DCB is not enabled priority tagging is not needed
so skip over that section.

Change-ID: Ia3f3fa07945b421259a9ca38329d6d1cbd6c6bcc
Signed-off-by: Neerav Parikh <neerav.parikh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Neerav Parikh 2015-02-24 06:58:40 +00:00 committed by Jeff Kirsher
parent eca3204765
commit d40d00b1c2
1 changed files with 5 additions and 0 deletions
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5
drivers/net/ethernet/intel/i40e/i40e_txrx.c
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@ -2043,6 +2043,9 @@ static int i40e_tx_prepare_vlan_flags(struct sk_buff *skb,
tx_flags |= I40E_TX_FLAGS_SW_VLAN;
}
if (!(tx_ring->vsi->back->flags & I40E_FLAG_DCB_ENABLED))
goto out;
/* Insert 802.1p priority into VLAN header */
if ((tx_flags & (I40E_TX_FLAGS_HW_VLAN | I40E_TX_FLAGS_SW_VLAN)) ||
(skb->priority != TC_PRIO_CONTROL)) {
@ -2063,6 +2066,8 @@ static int i40e_tx_prepare_vlan_flags(struct sk_buff *skb,
tx_flags |= I40E_TX_FLAGS_HW_VLAN;
}
}
out:
*flags = tx_flags;
return 0;
}