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Date: Mon, 21 Dec 2020 17:33:41 -0800
From: Cong Wang <xiyou.wangcong@...il.com>
To: netdev@...r.kernel.org
Cc: Cong Wang <cong.wang@...edance.com>
Subject: [Patch bpf-next v3 0/3] bpf: introduce timeout map
From: Cong Wang <cong.wang@...edance.com>
This patchset introduces a new bpf hash map which has timeout.
Patch 1 is the implementation of timeout map, patch 2 adds some test
cases for timeout map in test_maps, and patch 3 adds a test case in
map ptr test.
Please check each patch description for more details.
---
v3: move gc list from bucket to elem
reuse lru_node in struct htab_elem
drop patches which are no longer necessary
fix delete path
add a test case for delete path
add parallel test cases
change timeout to ms
drop batch ops
v2: fix hashmap ptr test
add a test case in map ptr test
factor out htab_timeout_map_alloc()
Cong Wang (3):
bpf: introduce timeout map
selftests/bpf: add test cases for bpf timeout map
selftests/bpf: add timeout map check in map_ptr tests
include/linux/bpf_types.h | 1 +
include/uapi/linux/bpf.h | 5 +-
kernel/bpf/hashtab.c | 252 +++++++++++++++++-
kernel/bpf/syscall.c | 3 +-
tools/include/uapi/linux/bpf.h | 1 +
.../selftests/bpf/progs/map_ptr_kern.c | 20 ++
tools/testing/selftests/bpf/test_maps.c | 46 ++++
7 files changed, 319 insertions(+), 9 deletions(-)
--
2.25.1
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