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| author |   Jesse Brandeburg <jesse.brandeburg@intel.com> | 2014-02-14 02:14:41 +0000 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2014-03-19 17:17:21 -0700 |
| commit | ff40dd5d44707e2964c1b24196a86bf1938ce32b (patch) | |
| tree | efb0ca36f7670eb4109a988d8954ec97a76f46cf /drivers/net/ethernet/intel/i40evf/i40e_txrx.c | |
| parent | i40e/i40evf: enable hardware feature head write back (diff) | |
| download | linux-dev-ff40dd5d44707e2964c1b24196a86bf1938ce32b.tar.xz linux-dev-ff40dd5d44707e2964c1b24196a86bf1938ce32b.zip | |
i40e/i40evf: reduce context descriptors
We don't need context descriptors for every packet, only tso
or timesync. This fixes a bug in the driver where it would
always add a context even if all the passed in values
to the context descriptor function were 0/default values.
Change-ID: I0101d2b893380707b5c2de61aab3e16d4310e9a1
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/intel/i40evf/i40e_txrx.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c index 626c08a98edb..53be5f44d015 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c @@ -1286,7 +1286,8 @@ static void i40e_create_tx_ctx(struct i40e_ring *tx_ring, struct i40e_tx_context_desc *context_desc; int i = tx_ring->next_to_use; - if (!cd_type_cmd_tso_mss && !cd_tunneling && !cd_l2tag2) + if ((cd_type_cmd_tso_mss == I40E_TX_DESC_DTYPE_CONTEXT) && + !cd_tunneling && !cd_l2tag2) return; /* grab the next descriptor */ |