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net: Add SO_BUSY_POLL_BUDGET socket option

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This option lets a user set a per socket NAPI budget for
busy-polling. If the options is not set, it will use the default of 8.

Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/bpf/20201130185205.196029-3-bjorn.topel@gmail.com
This commit is contained in:
Björn Töpel
2020-11-30 19:51:57 +01:00
committed by Daniel Borkmann
parent 7fd3253a7d
commit 7c951cafc0
10 changed files with 34 additions and 14 deletions
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1
include/uapi/asm-generic/socket.h
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@@ -120,6 +120,7 @@
#define SO_DETACH_REUSEPORT_BPF 68
#define SO_PREFER_BUSY_POLL 69
#define SO_BUSY_POLL_BUDGET 70
#if !defined(__KERNEL__)