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i40e/i40evf: Add legacy-rx private flag to allow fallback to old Rx flow

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This patch adds a control which will allow us to toggle into and out of the
legacy Rx mode.  The legacy Rx mode is what we currently do when performing
Rx.  As I make further changes what should happen is that the driver will
fall back to the behavior for Rx as of this patch should the "legacy-rx"
flag be set to on.

Change-ID: I0342998849bbb31351cce05f6e182c99174e7751
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Alexander Duyck
2017-03-14 10:15:26 -07:00
committed by Jeff Kirsher
parent fa2343e903
commit c424d4a3dd
4 changed files with 111 additions and 1 deletions
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2
drivers/net/ethernet/intel/i40evf/i40evf.h
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@@ -222,6 +222,7 @@ struct i40evf_adapter {
#define I40EVF_FLAG_CLIENT_NEEDS_L2_PARAMS BIT(17)
#define I40EVF_FLAG_PROMISC_ON BIT(18)
#define I40EVF_FLAG_ALLMULTI_ON BIT(19)
#define I40EVF_FLAG_LEGACY_RX BIT(20)
/* duplicates for common code */
#define I40E_FLAG_FDIR_ATR_ENABLED 0
#define I40E_FLAG_DCB_ENABLED 0
@@ -229,6 +230,7 @@ struct i40evf_adapter {
#define I40E_FLAG_RX_CSUM_ENABLED I40EVF_FLAG_RX_CSUM_ENABLED
#define I40E_FLAG_WB_ON_ITR_CAPABLE I40EVF_FLAG_WB_ON_ITR_CAPABLE
#define I40E_FLAG_OUTER_UDP_CSUM_CAPABLE I40EVF_FLAG_OUTER_UDP_CSUM_CAPABLE
#define I40E_FLAG_LEGACY_RX I40EVF_FLAG_LEGACY_RX
/* flags for admin queue service task */
u32 aq_required;
#define I40EVF_FLAG_AQ_ENABLE_QUEUES BIT(0)