From: Cong Wang <[email protected]>
This patchset introduces a new bpf hash map which has timeout.
Patch 1 is a preparation, patch 2 is the implementation of timeout
map, patch 3 updates an existing hash map ptr test, patch 4 and
patch 5 contain two test cases for timeout map.
Please check each patch description for more details.
---
v2: fix hashmap ptr test
add a test case in map ptr test
factor out htab_timeout_map_alloc()
Cong Wang (5):
bpf: use index instead of hash for map_locked[]
bpf: introduce timeout map
selftests/bpf: update elem_size check in map ptr test
selftests/bpf: add a test case 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 | 3 +-
kernel/bpf/hashtab.c | 301 ++++++++++++++++--
kernel/bpf/syscall.c | 3 +-
tools/include/uapi/linux/bpf.h | 1 +
.../selftests/bpf/progs/map_ptr_kern.c | 22 +-
tools/testing/selftests/bpf/test_maps.c | 41 +++
7 files changed, 340 insertions(+), 32 deletions(-)
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2.25.1
