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| author |   Björn Töpel <bjorn.topel@intel.com> | 2018-10-02 10:00:32 +0200 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2018-10-03 12:51:14 -0700 |
| commit | d0bcacd0a130974f58a56318db7a5ca6a7ba1d5a (patch) | |
| tree | 64fc0abfd96aa095b9c4134a27280322a4a0b0f2 /drivers/net/ethernet/ec_bhf.c | |
| parent | ixgbe: move common Rx functions to ixgbe_txrx_common.h (diff) | |
| download | linux-dev-d0bcacd0a130974f58a56318db7a5ca6a7ba1d5a.tar.xz linux-dev-d0bcacd0a130974f58a56318db7a5ca6a7ba1d5a.zip | |
ixgbe: add AF_XDP zero-copy Rx support
This patch adds zero-copy Rx support for AF_XDP sockets. Instead of
allocating buffers of type MEM_TYPE_PAGE_SHARED, the Rx frames are
allocated as MEM_TYPE_ZERO_COPY when AF_XDP is enabled for a certain
queue.
All AF_XDP specific functions are added to a new file, ixgbe_xsk.c.
Note that when AF_XDP zero-copy is enabled, the XDP action XDP_PASS
will allocate a new buffer and copy the zero-copy frame prior passing
it to the kernel stack.
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Tested-by: William Tu <u9012063@gmail.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/ec_bhf.c')
0 files changed, 0 insertions, 0 deletions