diff options
author | Jan Sokolowski <jan.sokolowski@intel.com> | 2019-03-22 14:16:37 -0700 |
---|---|---|
committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2019-06-05 13:04:29 -0700 |
commit | d49e286d354e75710cc9d100197de1161a8b809e (patch) | |
tree | 9e8c1a118518ffee1ec0ffc514d9e9df0c585d3e /drivers/net/ethernet/intel/ixgbe/ixgbe.h | |
parent | 11694b03616b2a03cd7e3f0897d4d086c7fbc4b5 (diff) |
ixgbe: add tracking of AF_XDP zero-copy state for each queue pair
Here, we add a bitmap to the ixgbe_adapter that tracks if a
certain queue pair has been "zero-copy enabled" via the ndo_bpf.
The bitmap is used in ixgbe_xsk_umem, and enables zero-copy if
and only if XDP is enabled, the corresponding qid in the bitmap
is set, and the umem is non-NULL;
Signed-off-by: Jan Sokolowski <jan.sokolowski@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe.h')
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h index 08d85e336bd4..5f5db6eb261e 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h @@ -635,6 +635,7 @@ struct ixgbe_adapter { /* XDP */ int num_xdp_queues; struct ixgbe_ring *xdp_ring[MAX_XDP_QUEUES]; + unsigned long *af_xdp_zc_qps; /* tracks AF_XDP ZC enabled rings */ /* TX */ struct ixgbe_ring *tx_ring[MAX_TX_QUEUES] ____cacheline_aligned_in_smp; |