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| author | Krzysztof Kazimierczak <krzysztof.kazimierczak@intel.com> | 2020-02-14 00:31:22 +0300 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2020-02-20 00:12:21 +0300 |
| commit | 5fa23e0b23fb14364a396593a4e083606a6d6893 (patch) | |
| tree | 57e43f6d1dbe84477086693b0b21df8f61d397e7 /tools/perf/scripts/python/stackcollapse.py | |
| parent | 31c5f7f3f45aab8231c76be6d87c7503f442d019 (diff) | |
| download | linux-5fa23e0b23fb14364a396593a4e083606a6d6893.tar.xz | |
ice: Support XDP UMEM wake up mechanism
Add support for a new AF_XDP feature that has already been introduced in
upstreamed Intel NIC drivers. If a user space application signals that
it might sleep using the new bind flag XDP_USE_NEED_WAKEUP, the driver
will then set this flag if it has no more buffers on the NIC Rx ring and
yield to the application. For Tx, it will set the flag if it has no
outstanding Tx completion interrupts and return to the application.
Signed-off-by: Krzysztof Kazimierczak <krzysztof.kazimierczak@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions