[net-next 02/15] i40e: enable descriptor prefetch for VFs
From: Jeff Kirsher <hidden>
Date: 2014-05-29 15:10:36
Subsystem:
intel ethernet drivers, networking drivers, the rest · Maintainers:
Tony Nguyen, Przemek Kitszel, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Mitch Williams <redacted> As recommended by the hardware guys, enable descriptor prefetch for rings belonging to VFs. This matches a change already made for ring belonging to the PF. Change-ID: Idcc4dc7064bc9144ea81f5701ad07b7ecd11ba49 Signed-off-by: Mitch Williams <redacted> Tested-by: Sibai Li <redacted> Signed-off-by: Jeff Kirsher <redacted> --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index 8564b09..7ab40ff 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c@@ -354,6 +354,7 @@ static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_idx, rx_ctx.tphhead_ena = 1; rx_ctx.lrxqthresh = 2; rx_ctx.crcstrip = 1; + rx_ctx.prefena = 1; /* clear the context in the HMC */ ret = i40e_clear_lan_rx_queue_context(hw, pf_queue_id);
--
1.9.3