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| author |   Björn Töpel <bjorn.topel@intel.com> | 2018-08-28 14:44:32 +0200 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2018-08-29 12:25:53 -0700 |
| commit | 0a714186d3c0f7c563a03537f98716457c1f5ae0 (patch) | |
| tree | 88e7c8fa045cce01f5b5c4b7aa69ca0ed090aa87 /security | |
| parent | i40e: move common Rx functions to i40e_txrx_common.h (diff) | |
| download | linux-dev-0a714186d3c0f7c563a03537f98716457c1f5ae0.tar.xz linux-dev-0a714186d3c0f7c563a03537f98716457c1f5ae0.zip | |
i40e: 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, i40e_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>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'security')
0 files changed, 0 insertions, 0 deletions