diff options
| author | Maciej Fijalkowski <maciej.fijalkowski@intel.com> | 2019-10-24 01:11:23 -0700 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2019-11-04 13:09:50 -0800 |
| commit | 59bb08080557589aaf577a99d329ccea38b55c95 (patch) | |
| tree | 77a74a96f80a5efa89ac3b70f08d018de8a5880b /drivers/net/ethernet/intel/ice/ice_base.c | |
| parent | 7237f5b0dba443756e190bdbecd83f9b1377a912 (diff) | |
ice: introduce frame padding computation logic
Take into account the underlying architecture specific settings and
based on that calculate the possible padding that can be supplied.
Typically, for x86 and standard MTU size we will end up with 192 bytes
of headroom. This is the same behavior as our other drivers have and we
can dedicate it for XDP purposes.
Furthermore, introduce the Rx ring flag for indicating whether build_skb
is used on particular. Based on that invoke the routines for padding
calculation.
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@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/ice/ice_base.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_base.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_base.c b/drivers/net/ethernet/intel/ice/ice_base.c index 2904de054c10..69d2da14fe5c 100644 --- a/drivers/net/ethernet/intel/ice/ice_base.c +++ b/drivers/net/ethernet/intel/ice/ice_base.c @@ -406,6 +406,12 @@ int ice_setup_rx_ctx(struct ice_ring *ring) if (vsi->type == ICE_VSI_VF) return 0; + /* configure Rx buffer alignment */ + if (!vsi->netdev || test_bit(ICE_FLAG_LEGACY_RX, vsi->back->flags)) + ice_clear_ring_build_skb_ena(ring); + else + ice_set_ring_build_skb_ena(ring); + /* init queue specific tail register */ ring->tail = hw->hw_addr + QRX_TAIL(pf_q); writel(0, ring->tail); |