i40e: add support for XDP_TX action

Browse source

This patch adds proper XDP_TX action support. For each Tx ring, an
additional XDP Tx ring is allocated and setup. This version does the
DMA mapping in the fast-path, which will penalize performance for
IOMMU enabled systems. Further, debugfs support is not wired up for
the XDP Tx rings.

Signed-off-by: Björn Töpel <bjorn.topel@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:

Björn Töpel 2017-05-24 07:55:35 +02:00 • committed by Jeff Kirsher

parent 0c8493d90b

commit 74608d17fe

5 changed files with 384 additions and 87 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

1

drivers/net/ethernet/intel/i40e/i40e.h

View file

42

drivers/net/ethernet/intel/i40e/i40e_ethtool.c

View file

299

drivers/net/ethernet/intel/i40e/i40e_main.c

View file

118

drivers/net/ethernet/intel/i40e/i40e_txrx.c

View file

11

drivers/net/ethernet/intel/i40e/i40e_txrx.h

View file