diff options
| author |   Florin Coras <fcoras@cisco.com> | 2020-11-02 18:00:32 -0800 |
|---|---|---|
| committer |   Dave Barach <openvpp@barachs.net> | 2020-12-01 18:49:38 +0000 |
| commit | 7808df2e2fd0fd61a27e5a5322dc6dafe40924e5 (patch) | |
| tree | 9603cc44bb4429c6bf4005df78ce050e10e9e36b /src/vppinfra/clib.h | |
| parent | de22111b5280301cdd5e7862e593e24715bc6292 (diff) | |
session: allow small pacer bursts
Instead of enforcing a "strict" release of data, which relies on
frequent rescheduling of sessions, allow some pacer coalescing, i.e.,
short bursts, that can minimize load on scheduler/session layer and
potentially leverage tso.
Type: improvement
Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: I67e38e5b8dc335bd214113b70c68c27ae92bd6da
Diffstat (limited to 'src/vppinfra/clib.h')
| -rw-r--r-- | src/vppinfra/clib.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/vppinfra/clib.h b/src/vppinfra/clib.h index 9474350c6da..22377c61440 100644 --- a/src/vppinfra/clib.h +++ b/src/vppinfra/clib.h @@ -332,6 +332,14 @@ extract_bits (uword x, int start, int count) _x < _y ? _x : _y; \ }) +#define clib_clamp(x,lo,hi) \ +({ \ + __typeof__ (x) _x = (x); \ + __typeof__ (lo) _lo = (lo); \ + __typeof__ (hi) _hi = (hi); \ + _x < _lo ? _lo : (_x > _hi ? _hi : _x); \ +}) + #define clib_abs(x) \ ({ \ __typeof__ (x) _x = (x); \ |